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authorLinus Torvalds <torvalds@g5.osdl.org>2005-11-10 13:17:11 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-10 13:17:11 -0500
commita46699c9a32505cb5bbfd16f76e7d4a2c84a7705 (patch)
tree5c0bc91dd1c07ab95769f5749b3b58235c758d50 /arch
parent7ed0175a462c4c30f6df6fac1cccac058f997739 (diff)
parentb216c01829d0b73a468204e2e763c0a818b77a46 (diff)
Merge master.kernel.org:/home/rmk/linux-2.6-arm
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/Kconfig2
-rw-r--r--arch/arm/Makefile1
-rw-r--r--arch/arm/configs/omap_h2_1610_defconfig97
-rw-r--r--arch/arm/lib/csumpartial.S4
-rw-r--r--arch/arm/mach-ixp4xx/Kconfig10
-rw-r--r--arch/arm/mach-ixp4xx/Makefile1
-rw-r--r--arch/arm/mach-ixp4xx/nslu2-pci.c77
-rw-r--r--arch/arm/mach-ixp4xx/nslu2-power.c92
-rw-r--r--arch/arm/mach-ixp4xx/nslu2-setup.c134
-rw-r--r--arch/arm/mach-omap1/Kconfig32
-rw-r--r--arch/arm/mach-omap1/Makefile5
-rw-r--r--arch/arm/mach-omap1/board-generic.c33
-rw-r--r--arch/arm/mach-omap1/board-h2.c15
-rw-r--r--arch/arm/mach-omap1/board-h3.c19
-rw-r--r--arch/arm/mach-omap1/board-innovator.c42
-rw-r--r--arch/arm/mach-omap1/board-netstar.c15
-rw-r--r--arch/arm/mach-omap1/board-osk.c17
-rw-r--r--arch/arm/mach-omap1/board-palmte.c87
-rw-r--r--arch/arm/mach-omap1/board-perseus2.c23
-rw-r--r--arch/arm/mach-omap1/board-voiceblue.c9
-rw-r--r--arch/arm/mach-omap1/clock.c792
-rw-r--r--arch/arm/mach-omap1/clock.h768
-rw-r--r--arch/arm/mach-omap1/devices.c221
-rw-r--r--arch/arm/mach-omap1/id.c9
-rw-r--r--arch/arm/mach-omap1/io.c13
-rw-r--r--arch/arm/mach-omap1/irq.c23
-rw-r--r--arch/arm/mach-omap1/leds-h2p2-debug.c43
-rw-r--r--arch/arm/mach-omap1/leds.c1
-rw-r--r--arch/arm/mach-omap1/mux.c289
-rw-r--r--arch/arm/mach-omap1/serial.c9
-rw-r--r--arch/arm/mach-omap1/time.c4
-rw-r--r--arch/arm/mach-omap2/Kconfig22
-rw-r--r--arch/arm/mach-omap2/Makefile13
-rw-r--r--arch/arm/mach-omap2/Makefile.boot3
-rw-r--r--arch/arm/mach-omap2/board-generic.c80
-rw-r--r--arch/arm/mach-omap2/board-h4.c197
-rw-r--r--arch/arm/mach-omap2/clock.c1129
-rw-r--r--arch/arm/mach-omap2/clock.h2103
-rw-r--r--arch/arm/mach-omap2/devices.c89
-rw-r--r--arch/arm/mach-omap2/id.c124
-rw-r--r--arch/arm/mach-omap2/io.c53
-rw-r--r--arch/arm/mach-omap2/irq.c149
-rw-r--r--arch/arm/mach-omap2/mux.c65
-rw-r--r--arch/arm/mach-omap2/prcm.h419
-rw-r--r--arch/arm/mach-omap2/serial.c180
-rw-r--r--arch/arm/mach-omap2/sram-fn.S333
-rw-r--r--arch/arm/mach-omap2/timer-gp.c126
-rw-r--r--arch/arm/mach-pxa/Kconfig7
-rw-r--r--arch/arm/mach-pxa/Makefile5
-rw-r--r--arch/arm/mach-pxa/corgi_ssp.c2
-rw-r--r--arch/arm/mach-pxa/sharpsl.h87
-rw-r--r--arch/arm/mach-pxa/sharpsl_pm.c992
-rw-r--r--arch/arm/mach-pxa/ssp.c128
-rw-r--r--arch/arm/mm/Kconfig6
-rw-r--r--arch/arm/plat-omap/Makefile2
-rw-r--r--arch/arm/plat-omap/clock.c1315
-rw-r--r--arch/arm/plat-omap/clock.h120
-rw-r--r--arch/arm/plat-omap/common.c50
-rw-r--r--arch/arm/plat-omap/devices.c381
-rw-r--r--arch/arm/plat-omap/dma.c910
-rw-r--r--arch/arm/plat-omap/gpio.c40
-rw-r--r--arch/arm/plat-omap/mcbsp.c22
-rw-r--r--arch/arm/plat-omap/mux.c65
-rw-r--r--arch/arm/plat-omap/pm.c103
-rw-r--r--arch/arm/plat-omap/sleep.S139
-rw-r--r--arch/arm/plat-omap/sram.c143
-rw-r--r--arch/arm/plat-omap/sram.h21
-rw-r--r--arch/arm/plat-omap/usb.c11
68 files changed, 10343 insertions, 2178 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ec77721507cb..3df7cbd924a1 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -239,6 +239,8 @@ source "arch/arm/plat-omap/Kconfig"
239 239
240source "arch/arm/mach-omap1/Kconfig" 240source "arch/arm/mach-omap1/Kconfig"
241 241
242source "arch/arm/mach-omap2/Kconfig"
243
242source "arch/arm/mach-s3c2410/Kconfig" 244source "arch/arm/mach-s3c2410/Kconfig"
243 245
244source "arch/arm/mach-lh7a40x/Kconfig" 246source "arch/arm/mach-lh7a40x/Kconfig"
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 114cda7f1b73..81bd2193fe6d 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -93,6 +93,7 @@ textaddr-$(CONFIG_ARCH_FORTUNET) := 0xc0008000
93 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx 93 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
94 machine-$(CONFIG_ARCH_IXP2000) := ixp2000 94 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
95 machine-$(CONFIG_ARCH_OMAP1) := omap1 95 machine-$(CONFIG_ARCH_OMAP1) := omap1
96 machine-$(CONFIG_ARCH_OMAP2) := omap2
96 incdir-$(CONFIG_ARCH_OMAP) := omap 97 incdir-$(CONFIG_ARCH_OMAP) := omap
97 machine-$(CONFIG_ARCH_S3C2410) := s3c2410 98 machine-$(CONFIG_ARCH_S3C2410) := s3c2410
98 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x 99 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
diff --git a/arch/arm/configs/omap_h2_1610_defconfig b/arch/arm/configs/omap_h2_1610_defconfig
index 4198677cd394..529f0f72e1e9 100644
--- a/arch/arm/configs/omap_h2_1610_defconfig
+++ b/arch/arm/configs/omap_h2_1610_defconfig
@@ -1,7 +1,7 @@
1# 1#
2# Automatically generated make config: don't edit 2# Automatically generated make config: don't edit
3# Linux kernel version: 2.6.13 3# Linux kernel version: 2.6.14
4# Mon Sep 5 18:07:12 2005 4# Wed Nov 9 18:53:40 2005
5# 5#
6CONFIG_ARM=y 6CONFIG_ARM=y
7CONFIG_MMU=y 7CONFIG_MMU=y
@@ -22,6 +22,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32
22# General setup 22# General setup
23# 23#
24CONFIG_LOCALVERSION="" 24CONFIG_LOCALVERSION=""
25CONFIG_LOCALVERSION_AUTO=y
25CONFIG_SWAP=y 26CONFIG_SWAP=y
26CONFIG_SYSVIPC=y 27CONFIG_SYSVIPC=y
27# CONFIG_POSIX_MQUEUE is not set 28# CONFIG_POSIX_MQUEUE is not set
@@ -31,6 +32,7 @@ CONFIG_SYSCTL=y
31# CONFIG_HOTPLUG is not set 32# CONFIG_HOTPLUG is not set
32CONFIG_KOBJECT_UEVENT=y 33CONFIG_KOBJECT_UEVENT=y
33# CONFIG_IKCONFIG is not set 34# CONFIG_IKCONFIG is not set
35CONFIG_INITRAMFS_SOURCE=""
34# CONFIG_EMBEDDED is not set 36# CONFIG_EMBEDDED is not set
35CONFIG_KALLSYMS=y 37CONFIG_KALLSYMS=y
36# CONFIG_KALLSYMS_EXTRA_PASS is not set 38# CONFIG_KALLSYMS_EXTRA_PASS is not set
@@ -60,6 +62,23 @@ CONFIG_OBSOLETE_MODPARM=y
60# CONFIG_KMOD is not set 62# CONFIG_KMOD is not set
61 63
62# 64#
65# Block layer
66#
67
68#
69# IO Schedulers
70#
71CONFIG_IOSCHED_NOOP=y
72CONFIG_IOSCHED_AS=y
73CONFIG_IOSCHED_DEADLINE=y
74CONFIG_IOSCHED_CFQ=y
75CONFIG_DEFAULT_AS=y
76# CONFIG_DEFAULT_DEADLINE is not set
77# CONFIG_DEFAULT_CFQ is not set
78# CONFIG_DEFAULT_NOOP is not set
79CONFIG_DEFAULT_IOSCHED="anticipatory"
80
81#
63# System Type 82# System Type
64# 83#
65# CONFIG_ARCH_CLPS7500 is not set 84# CONFIG_ARCH_CLPS7500 is not set
@@ -81,6 +100,7 @@ CONFIG_OBSOLETE_MODPARM=y
81# CONFIG_ARCH_LH7A40X is not set 100# CONFIG_ARCH_LH7A40X is not set
82CONFIG_ARCH_OMAP=y 101CONFIG_ARCH_OMAP=y
83# CONFIG_ARCH_VERSATILE is not set 102# CONFIG_ARCH_VERSATILE is not set
103# CONFIG_ARCH_REALVIEW is not set
84# CONFIG_ARCH_IMX is not set 104# CONFIG_ARCH_IMX is not set
85# CONFIG_ARCH_H720X is not set 105# CONFIG_ARCH_H720X is not set
86# CONFIG_ARCH_AAEC2000 is not set 106# CONFIG_ARCH_AAEC2000 is not set
@@ -112,7 +132,7 @@ CONFIG_OMAP_SERIAL_WAKE=y
112# OMAP Core Type 132# OMAP Core Type
113# 133#
114# CONFIG_ARCH_OMAP730 is not set 134# CONFIG_ARCH_OMAP730 is not set
115# CONFIG_ARCH_OMAP1510 is not set 135# CONFIG_ARCH_OMAP15XX is not set
116CONFIG_ARCH_OMAP16XX=y 136CONFIG_ARCH_OMAP16XX=y
117 137
118# 138#
@@ -177,6 +197,8 @@ CONFIG_FLATMEM_MANUAL=y
177# CONFIG_SPARSEMEM_MANUAL is not set 197# CONFIG_SPARSEMEM_MANUAL is not set
178CONFIG_FLATMEM=y 198CONFIG_FLATMEM=y
179CONFIG_FLAT_NODE_MEM_MAP=y 199CONFIG_FLAT_NODE_MEM_MAP=y
200# CONFIG_SPARSEMEM_STATIC is not set
201CONFIG_SPLIT_PTLOCK_CPUS=4096
180# CONFIG_LEDS is not set 202# CONFIG_LEDS is not set
181CONFIG_ALIGNMENT_TRAP=y 203CONFIG_ALIGNMENT_TRAP=y
182 204
@@ -258,14 +280,19 @@ CONFIG_IP_PNP_BOOTP=y
258# CONFIG_INET_ESP is not set 280# CONFIG_INET_ESP is not set
259# CONFIG_INET_IPCOMP is not set 281# CONFIG_INET_IPCOMP is not set
260# CONFIG_INET_TUNNEL is not set 282# CONFIG_INET_TUNNEL is not set
261CONFIG_IP_TCPDIAG=y 283CONFIG_INET_DIAG=y
262# CONFIG_IP_TCPDIAG_IPV6 is not set 284CONFIG_INET_TCP_DIAG=y
263# CONFIG_TCP_CONG_ADVANCED is not set 285# CONFIG_TCP_CONG_ADVANCED is not set
264CONFIG_TCP_CONG_BIC=y 286CONFIG_TCP_CONG_BIC=y
265# CONFIG_IPV6 is not set 287# CONFIG_IPV6 is not set
266# CONFIG_NETFILTER is not set 288# CONFIG_NETFILTER is not set
267 289
268# 290#
291# DCCP Configuration (EXPERIMENTAL)
292#
293# CONFIG_IP_DCCP is not set
294
295#
269# SCTP Configuration (EXPERIMENTAL) 296# SCTP Configuration (EXPERIMENTAL)
270# 297#
271# CONFIG_IP_SCTP is not set 298# CONFIG_IP_SCTP is not set
@@ -281,6 +308,10 @@ CONFIG_TCP_CONG_BIC=y
281# CONFIG_NET_DIVERT is not set 308# CONFIG_NET_DIVERT is not set
282# CONFIG_ECONET is not set 309# CONFIG_ECONET is not set
283# CONFIG_WAN_ROUTER is not set 310# CONFIG_WAN_ROUTER is not set
311
312#
313# QoS and/or fair queueing
314#
284# CONFIG_NET_SCHED is not set 315# CONFIG_NET_SCHED is not set
285# CONFIG_NET_CLS_ROUTE is not set 316# CONFIG_NET_CLS_ROUTE is not set
286 317
@@ -291,6 +322,7 @@ CONFIG_TCP_CONG_BIC=y
291# CONFIG_HAMRADIO is not set 322# CONFIG_HAMRADIO is not set
292# CONFIG_IRDA is not set 323# CONFIG_IRDA is not set
293# CONFIG_BT is not set 324# CONFIG_BT is not set
325# CONFIG_IEEE80211 is not set
294 326
295# 327#
296# Device Drivers 328# Device Drivers
@@ -328,21 +360,13 @@ CONFIG_BLK_DEV_RAM=y
328CONFIG_BLK_DEV_RAM_COUNT=16 360CONFIG_BLK_DEV_RAM_COUNT=16
329CONFIG_BLK_DEV_RAM_SIZE=8192 361CONFIG_BLK_DEV_RAM_SIZE=8192
330CONFIG_BLK_DEV_INITRD=y 362CONFIG_BLK_DEV_INITRD=y
331CONFIG_INITRAMFS_SOURCE=""
332# CONFIG_CDROM_PKTCDVD is not set 363# CONFIG_CDROM_PKTCDVD is not set
333
334#
335# IO Schedulers
336#
337CONFIG_IOSCHED_NOOP=y
338CONFIG_IOSCHED_AS=y
339CONFIG_IOSCHED_DEADLINE=y
340CONFIG_IOSCHED_CFQ=y
341CONFIG_ATA_OVER_ETH=m 364CONFIG_ATA_OVER_ETH=m
342 365
343# 366#
344# SCSI device support 367# SCSI device support
345# 368#
369# CONFIG_RAID_ATTRS is not set
346CONFIG_SCSI=y 370CONFIG_SCSI=y
347CONFIG_SCSI_PROC_FS=y 371CONFIG_SCSI_PROC_FS=y
348 372
@@ -369,10 +393,12 @@ CONFIG_SCSI_PROC_FS=y
369# CONFIG_SCSI_SPI_ATTRS is not set 393# CONFIG_SCSI_SPI_ATTRS is not set
370# CONFIG_SCSI_FC_ATTRS is not set 394# CONFIG_SCSI_FC_ATTRS is not set
371# CONFIG_SCSI_ISCSI_ATTRS is not set 395# CONFIG_SCSI_ISCSI_ATTRS is not set
396# CONFIG_SCSI_SAS_ATTRS is not set
372 397
373# 398#
374# SCSI low-level drivers 399# SCSI low-level drivers
375# 400#
401# CONFIG_ISCSI_TCP is not set
376# CONFIG_SCSI_SATA is not set 402# CONFIG_SCSI_SATA is not set
377# CONFIG_SCSI_DEBUG is not set 403# CONFIG_SCSI_DEBUG is not set
378 404
@@ -404,6 +430,11 @@ CONFIG_NETDEVICES=y
404# CONFIG_TUN is not set 430# CONFIG_TUN is not set
405 431
406# 432#
433# PHY device support
434#
435# CONFIG_PHYLIB is not set
436
437#
407# Ethernet (10 or 100Mbit) 438# Ethernet (10 or 100Mbit)
408# 439#
409CONFIG_NET_ETHERNET=y 440CONFIG_NET_ETHERNET=y
@@ -439,6 +470,7 @@ CONFIG_PPP=y
439# CONFIG_PPP_SYNC_TTY is not set 470# CONFIG_PPP_SYNC_TTY is not set
440# CONFIG_PPP_DEFLATE is not set 471# CONFIG_PPP_DEFLATE is not set
441# CONFIG_PPP_BSDCOMP is not set 472# CONFIG_PPP_BSDCOMP is not set
473# CONFIG_PPP_MPPE is not set
442# CONFIG_PPPOE is not set 474# CONFIG_PPPOE is not set
443CONFIG_SLIP=y 475CONFIG_SLIP=y
444CONFIG_SLIP_COMPRESSED=y 476CONFIG_SLIP_COMPRESSED=y
@@ -541,18 +573,18 @@ CONFIG_WATCHDOG_NOWAYOUT=y
541# 573#
542# TPM devices 574# TPM devices
543# 575#
576# CONFIG_TELCLOCK is not set
544 577
545# 578#
546# I2C support 579# I2C support
547# 580#
548# CONFIG_I2C is not set 581# CONFIG_I2C is not set
549# CONFIG_I2C_SENSOR is not set
550CONFIG_ISP1301_OMAP=y
551 582
552# 583#
553# Hardware Monitoring support 584# Hardware Monitoring support
554# 585#
555CONFIG_HWMON=y 586CONFIG_HWMON=y
587# CONFIG_HWMON_VID is not set
556# CONFIG_HWMON_DEBUG_CHIP is not set 588# CONFIG_HWMON_DEBUG_CHIP is not set
557 589
558# 590#
@@ -560,6 +592,10 @@ CONFIG_HWMON=y
560# 592#
561 593
562# 594#
595# Multimedia Capabilities Port drivers
596#
597
598#
563# Multimedia devices 599# Multimedia devices
564# 600#
565# CONFIG_VIDEO_DEV is not set 601# CONFIG_VIDEO_DEV is not set
@@ -576,7 +612,6 @@ CONFIG_FB=y
576# CONFIG_FB_CFB_FILLRECT is not set 612# CONFIG_FB_CFB_FILLRECT is not set
577# CONFIG_FB_CFB_COPYAREA is not set 613# CONFIG_FB_CFB_COPYAREA is not set
578# CONFIG_FB_CFB_IMAGEBLIT is not set 614# CONFIG_FB_CFB_IMAGEBLIT is not set
579# CONFIG_FB_SOFT_CURSOR is not set
580# CONFIG_FB_MACMODES is not set 615# CONFIG_FB_MACMODES is not set
581CONFIG_FB_MODE_HELPERS=y 616CONFIG_FB_MODE_HELPERS=y
582# CONFIG_FB_TILEBLITTING is not set 617# CONFIG_FB_TILEBLITTING is not set
@@ -589,6 +624,7 @@ CONFIG_FB_MODE_HELPERS=y
589# CONFIG_VGA_CONSOLE is not set 624# CONFIG_VGA_CONSOLE is not set
590CONFIG_DUMMY_CONSOLE=y 625CONFIG_DUMMY_CONSOLE=y
591CONFIG_FRAMEBUFFER_CONSOLE=y 626CONFIG_FRAMEBUFFER_CONSOLE=y
627# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
592CONFIG_FONTS=y 628CONFIG_FONTS=y
593CONFIG_FONT_8x8=y 629CONFIG_FONT_8x8=y
594CONFIG_FONT_8x16=y 630CONFIG_FONT_8x16=y
@@ -600,6 +636,7 @@ CONFIG_FONT_8x16=y
600# CONFIG_FONT_SUN8x16 is not set 636# CONFIG_FONT_SUN8x16 is not set
601# CONFIG_FONT_SUN12x22 is not set 637# CONFIG_FONT_SUN12x22 is not set
602# CONFIG_FONT_10x18 is not set 638# CONFIG_FONT_10x18 is not set
639# CONFIG_FONT_RL is not set
603 640
604# 641#
605# Logo configuration 642# Logo configuration
@@ -624,10 +661,10 @@ CONFIG_SOUND=y
624# Open Sound System 661# Open Sound System
625# 662#
626CONFIG_SOUND_PRIME=y 663CONFIG_SOUND_PRIME=y
664# CONFIG_OBSOLETE_OSS_DRIVER is not set
627# CONFIG_SOUND_MSNDCLAS is not set 665# CONFIG_SOUND_MSNDCLAS is not set
628# CONFIG_SOUND_MSNDPIN is not set 666# CONFIG_SOUND_MSNDPIN is not set
629# CONFIG_SOUND_OSS is not set 667# CONFIG_SOUND_OSS is not set
630# CONFIG_SOUND_AD1980 is not set
631 668
632# 669#
633# USB support 670# USB support
@@ -637,22 +674,21 @@ CONFIG_USB_ARCH_HAS_OHCI=y
637# CONFIG_USB is not set 674# CONFIG_USB is not set
638 675
639# 676#
677# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
678#
679
680#
640# USB Gadget Support 681# USB Gadget Support
641# 682#
642CONFIG_USB_GADGET=y 683# CONFIG_USB_GADGET is not set
643# CONFIG_USB_GADGET_DEBUG_FILES is not set
644CONFIG_USB_GADGET_SELECTED=y
645# CONFIG_USB_GADGET_NET2280 is not set 684# CONFIG_USB_GADGET_NET2280 is not set
646# CONFIG_USB_GADGET_PXA2XX is not set 685# CONFIG_USB_GADGET_PXA2XX is not set
647# CONFIG_USB_GADGET_GOKU is not set 686# CONFIG_USB_GADGET_GOKU is not set
648# CONFIG_USB_GADGET_LH7A40X is not set 687# CONFIG_USB_GADGET_LH7A40X is not set
649CONFIG_USB_GADGET_OMAP=y 688# CONFIG_USB_GADGET_OMAP is not set
650CONFIG_USB_OMAP=y
651# CONFIG_USB_GADGET_DUMMY_HCD is not set 689# CONFIG_USB_GADGET_DUMMY_HCD is not set
652# CONFIG_USB_GADGET_DUALSPEED is not set
653# CONFIG_USB_ZERO is not set 690# CONFIG_USB_ZERO is not set
654CONFIG_USB_ETH=y 691# CONFIG_USB_ETH is not set
655CONFIG_USB_ETH_RNDIS=y
656# CONFIG_USB_GADGETFS is not set 692# CONFIG_USB_GADGETFS is not set
657# CONFIG_USB_FILE_STORAGE is not set 693# CONFIG_USB_FILE_STORAGE is not set
658# CONFIG_USB_G_SERIAL is not set 694# CONFIG_USB_G_SERIAL is not set
@@ -673,10 +709,6 @@ CONFIG_EXT2_FS=y
673# CONFIG_REISERFS_FS is not set 709# CONFIG_REISERFS_FS is not set
674# CONFIG_JFS_FS is not set 710# CONFIG_JFS_FS is not set
675# CONFIG_FS_POSIX_ACL is not set 711# CONFIG_FS_POSIX_ACL is not set
676
677#
678# XFS support
679#
680# CONFIG_XFS_FS is not set 712# CONFIG_XFS_FS is not set
681# CONFIG_MINIX_FS is not set 713# CONFIG_MINIX_FS is not set
682CONFIG_ROMFS_FS=y 714CONFIG_ROMFS_FS=y
@@ -685,6 +717,7 @@ CONFIG_INOTIFY=y
685CONFIG_DNOTIFY=y 717CONFIG_DNOTIFY=y
686# CONFIG_AUTOFS_FS is not set 718# CONFIG_AUTOFS_FS is not set
687# CONFIG_AUTOFS4_FS is not set 719# CONFIG_AUTOFS4_FS is not set
720# CONFIG_FUSE_FS is not set
688 721
689# 722#
690# CD-ROM/DVD Filesystems 723# CD-ROM/DVD Filesystems
@@ -706,10 +739,10 @@ CONFIG_FAT_DEFAULT_CODEPAGE=437
706# 739#
707CONFIG_PROC_FS=y 740CONFIG_PROC_FS=y
708CONFIG_SYSFS=y 741CONFIG_SYSFS=y
709# CONFIG_DEVPTS_FS_XATTR is not set
710# CONFIG_TMPFS is not set 742# CONFIG_TMPFS is not set
711# CONFIG_HUGETLB_PAGE is not set 743# CONFIG_HUGETLB_PAGE is not set
712CONFIG_RAMFS=y 744CONFIG_RAMFS=y
745# CONFIG_RELAYFS_FS is not set
713 746
714# 747#
715# Miscellaneous filesystems 748# Miscellaneous filesystems
@@ -750,6 +783,7 @@ CONFIG_RPCSEC_GSS_KRB5=y
750# CONFIG_NCP_FS is not set 783# CONFIG_NCP_FS is not set
751# CONFIG_CODA_FS is not set 784# CONFIG_CODA_FS is not set
752# CONFIG_AFS_FS is not set 785# CONFIG_AFS_FS is not set
786# CONFIG_9P_FS is not set
753 787
754# 788#
755# Partition Types 789# Partition Types
@@ -859,6 +893,7 @@ CONFIG_CRYPTO_DES=y
859# Library routines 893# Library routines
860# 894#
861# CONFIG_CRC_CCITT is not set 895# CONFIG_CRC_CCITT is not set
896# CONFIG_CRC16 is not set
862CONFIG_CRC32=y 897CONFIG_CRC32=y
863# CONFIG_LIBCRC32C is not set 898# CONFIG_LIBCRC32C is not set
864CONFIG_ZLIB_INFLATE=y 899CONFIG_ZLIB_INFLATE=y
diff --git a/arch/arm/lib/csumpartial.S b/arch/arm/lib/csumpartial.S
index cb5e3708f118..fe797cf320bb 100644
--- a/arch/arm/lib/csumpartial.S
+++ b/arch/arm/lib/csumpartial.S
@@ -39,6 +39,7 @@ td3 .req lr
39 39
40 /* we must have at least one byte. */ 40 /* we must have at least one byte. */
41 tst buf, #1 @ odd address? 41 tst buf, #1 @ odd address?
42 movne sum, sum, ror #8
42 ldrneb td0, [buf], #1 43 ldrneb td0, [buf], #1
43 subne len, len, #1 44 subne len, len, #1
44 adcnes sum, sum, td0, put_byte_1 45 adcnes sum, sum, td0, put_byte_1
@@ -103,6 +104,9 @@ ENTRY(csum_partial)
103 cmp len, #8 @ Ensure that we have at least 104 cmp len, #8 @ Ensure that we have at least
104 blo .less8 @ 8 bytes to copy. 105 blo .less8 @ 8 bytes to copy.
105 106
107 tst buf, #1
108 movne sum, sum, ror #8
109
106 adds sum, sum, #0 @ C = 0 110 adds sum, sum, #0 @ C = 0
107 tst buf, #3 @ Test destination alignment 111 tst buf, #3 @ Test destination alignment
108 blne .not_aligned @ aligh destination, return here 112 blne .not_aligned @ aligh destination, return here
diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
index 89762a26495c..385285851cb5 100644
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -8,6 +8,16 @@ menu "Intel IXP4xx Implementation Options"
8 8
9comment "IXP4xx Platforms" 9comment "IXP4xx Platforms"
10 10
11# This entry is placed on top because otherwise it would have
12# been shown as a submenu.
13config MACH_NSLU2
14 bool
15 prompt "NSLU2" if !(MACH_IXDP465 || MACH_IXDPG425 || ARCH_IXDP425 || ARCH_ADI_COYOTE || ARCH_AVILA || ARCH_IXCDP1100 || ARCH_PRPMC1100 || MACH_GTWX5715)
16 help
17 Say 'Y' here if you want your kernel to support Linksys's
18 NSLU2 NAS device. For more information on this platform,
19 see http://www.nslu2-linux.org
20
11config ARCH_AVILA 21config ARCH_AVILA
12 bool "Avila" 22 bool "Avila"
13 help 23 help
diff --git a/arch/arm/mach-ixp4xx/Makefile b/arch/arm/mach-ixp4xx/Makefile
index ddecbda4a633..7a15629c18d0 100644
--- a/arch/arm/mach-ixp4xx/Makefile
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -8,4 +8,5 @@ obj-$(CONFIG_ARCH_IXDP4XX) += ixdp425-pci.o ixdp425-setup.o
8obj-$(CONFIG_MACH_IXDPG425) += ixdpg425-pci.o coyote-setup.o 8obj-$(CONFIG_MACH_IXDPG425) += ixdpg425-pci.o coyote-setup.o
9obj-$(CONFIG_ARCH_ADI_COYOTE) += coyote-pci.o coyote-setup.o 9obj-$(CONFIG_ARCH_ADI_COYOTE) += coyote-pci.o coyote-setup.o
10obj-$(CONFIG_MACH_GTWX5715) += gtwx5715-pci.o gtwx5715-setup.o 10obj-$(CONFIG_MACH_GTWX5715) += gtwx5715-pci.o gtwx5715-setup.o
11obj-$(CONFIG_MACH_NSLU2) += nslu2-pci.o nslu2-setup.o nslu2-power.o
11 12
diff --git a/arch/arm/mach-ixp4xx/nslu2-pci.c b/arch/arm/mach-ixp4xx/nslu2-pci.c
new file mode 100644
index 000000000000..a575f2e0b2c8
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/nslu2-pci.c
@@ -0,0 +1,77 @@
1/*
2 * arch/arm/mach-ixp4xx/nslu2-pci.c
3 *
4 * NSLU2 board-level PCI initialization
5 *
6 * based on ixdp425-pci.c:
7 * Copyright (C) 2002 Intel Corporation.
8 * Copyright (C) 2003-2004 MontaVista Software, Inc.
9 *
10 * Maintainer: http://www.nslu2-linux.org/
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
15 *
16 */
17
18#include <linux/config.h>
19#include <linux/pci.h>
20#include <linux/init.h>
21
22#include <asm/mach/pci.h>
23#include <asm/mach-types.h>
24
25void __init nslu2_pci_preinit(void)
26{
27 set_irq_type(IRQ_NSLU2_PCI_INTA, IRQT_LOW);
28 set_irq_type(IRQ_NSLU2_PCI_INTB, IRQT_LOW);
29 set_irq_type(IRQ_NSLU2_PCI_INTC, IRQT_LOW);
30
31 gpio_line_isr_clear(NSLU2_PCI_INTA_PIN);
32 gpio_line_isr_clear(NSLU2_PCI_INTB_PIN);
33 gpio_line_isr_clear(NSLU2_PCI_INTC_PIN);
34
35 /* INTD is not configured as GPIO is used
36 * for the power input button.
37 */
38
39 ixp4xx_pci_preinit();
40}
41
42static int __init nslu2_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
43{
44 static int pci_irq_table[NSLU2_PCI_IRQ_LINES] = {
45 IRQ_NSLU2_PCI_INTA,
46 IRQ_NSLU2_PCI_INTB,
47 IRQ_NSLU2_PCI_INTC,
48 };
49
50 int irq = -1;
51
52 if (slot >= 1 && slot <= NSLU2_PCI_MAX_DEV &&
53 pin >= 1 && pin <= NSLU2_PCI_IRQ_LINES) {
54 irq = pci_irq_table[(slot + pin - 2) % NSLU2_PCI_IRQ_LINES];
55 }
56
57 return irq;
58}
59
60struct hw_pci __initdata nslu2_pci = {
61 .nr_controllers = 1,
62 .preinit = nslu2_pci_preinit,
63 .swizzle = pci_std_swizzle,
64 .setup = ixp4xx_setup,
65 .scan = ixp4xx_scan_bus,
66 .map_irq = nslu2_map_irq,
67};
68
69int __init nslu2_pci_init(void) /* monkey see, monkey do */
70{
71 if (machine_is_nslu2())
72 pci_common_init(&nslu2_pci);
73
74 return 0;
75}
76
77subsys_initcall(nslu2_pci_init);
diff --git a/arch/arm/mach-ixp4xx/nslu2-power.c b/arch/arm/mach-ixp4xx/nslu2-power.c
new file mode 100644
index 000000000000..18fbc8c0fb30
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/nslu2-power.c
@@ -0,0 +1,92 @@
1/*
2 * arch/arm/mach-ixp4xx/nslu2-power.c
3 *
4 * NSLU2 Power/Reset driver
5 *
6 * Copyright (C) 2005 Tower Technologies
7 *
8 * based on nslu2-io.c
9 * Copyright (C) 2004 Karen Spearel
10 *
11 * Author: Alessandro Zummo <a.zummo@towertech.it>
12 * Maintainers: http://www.nslu2-linux.org/
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
17 *
18 */
19
20#include <linux/module.h>
21#include <linux/reboot.h>
22#include <linux/interrupt.h>
23
24#include <asm/mach-types.h>
25
26extern void ctrl_alt_del(void);
27
28static irqreturn_t nslu2_power_handler(int irq, void *dev_id, struct pt_regs *regs)
29{
30 /* Signal init to do the ctrlaltdel action, this will bypass init if
31 * it hasn't started and do a kernel_restart.
32 */
33 ctrl_alt_del();
34
35 return IRQ_HANDLED;
36}
37
38static irqreturn_t nslu2_reset_handler(int irq, void *dev_id, struct pt_regs *regs)
39{
40 /* This is the paper-clip reset, it shuts the machine down directly.
41 */
42 machine_power_off();
43
44 return IRQ_HANDLED;
45}
46
47static int __init nslu2_power_init(void)
48{
49 if (!(machine_is_nslu2()))
50 return 0;
51
52 *IXP4XX_GPIO_GPISR = 0x20400000; /* read the 2 irqs to clr */
53
54 set_irq_type(NSLU2_RB_IRQ, IRQT_LOW);
55 set_irq_type(NSLU2_PB_IRQ, IRQT_HIGH);
56
57 gpio_line_isr_clear(NSLU2_RB_GPIO);
58 gpio_line_isr_clear(NSLU2_PB_GPIO);
59
60 if (request_irq(NSLU2_RB_IRQ, &nslu2_reset_handler,
61 SA_INTERRUPT, "NSLU2 reset button", NULL) < 0) {
62
63 printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
64 NSLU2_RB_IRQ);
65
66 return -EIO;
67 }
68
69 if (request_irq(NSLU2_PB_IRQ, &nslu2_power_handler,
70 SA_INTERRUPT, "NSLU2 power button", NULL) < 0) {
71
72 printk(KERN_DEBUG "Power Button IRQ %d not available\n",
73 NSLU2_PB_IRQ);
74
75 return -EIO;
76 }
77
78 return 0;
79}
80
81static void __exit nslu2_power_exit(void)
82{
83 free_irq(NSLU2_RB_IRQ, NULL);
84 free_irq(NSLU2_PB_IRQ, NULL);
85}
86
87module_init(nslu2_power_init);
88module_exit(nslu2_power_exit);
89
90MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>");
91MODULE_DESCRIPTION("NSLU2 Power/Reset driver");
92MODULE_LICENSE("GPL");
diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c
new file mode 100644
index 000000000000..289e94cb65c2
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/nslu2-setup.c
@@ -0,0 +1,134 @@
1/*
2 * arch/arm/mach-ixp4xx/nslu2-setup.c
3 *
4 * NSLU2 board-setup
5 *
6 * based ixdp425-setup.c:
7 * Copyright (C) 2003-2004 MontaVista Software, Inc.
8 *
9 * Author: Mark Rakes <mrakes at mac.com>
10 * Maintainers: http://www.nslu2-linux.org/
11 *
12 * Fixed missing init_time in MACHINE_START kas11 10/22/04
13 * Changed to conform to new style __init ixdp425 kas11 10/22/04
14 */
15
16#include <linux/kernel.h>
17#include <linux/serial.h>
18#include <linux/serial_8250.h>
19
20#include <asm/mach-types.h>
21#include <asm/mach/arch.h>
22#include <asm/mach/flash.h>
23
24static struct flash_platform_data nslu2_flash_data = {
25 .map_name = "cfi_probe",
26 .width = 2,
27};
28
29static struct resource nslu2_flash_resource = {
30 .start = NSLU2_FLASH_BASE,
31 .end = NSLU2_FLASH_BASE + NSLU2_FLASH_SIZE,
32 .flags = IORESOURCE_MEM,
33};
34
35static struct platform_device nslu2_flash = {
36 .name = "IXP4XX-Flash",
37 .id = 0,
38 .dev.platform_data = &nslu2_flash_data,
39 .num_resources = 1,
40 .resource = &nslu2_flash_resource,
41};
42
43static struct ixp4xx_i2c_pins nslu2_i2c_gpio_pins = {
44 .sda_pin = NSLU2_SDA_PIN,
45 .scl_pin = NSLU2_SCL_PIN,
46};
47
48static struct platform_device nslu2_i2c_controller = {
49 .name = "IXP4XX-I2C",
50 .id = 0,
51 .dev.platform_data = &nslu2_i2c_gpio_pins,
52 .num_resources = 0,
53};
54
55static struct resource nslu2_uart_resources[] = {
56 {
57 .start = IXP4XX_UART1_BASE_PHYS,
58 .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
59 .flags = IORESOURCE_MEM,
60 },
61 {
62 .start = IXP4XX_UART2_BASE_PHYS,
63 .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
64 .flags = IORESOURCE_MEM,
65 }
66};
67
68static struct plat_serial8250_port nslu2_uart_data[] = {
69 {
70 .mapbase = IXP4XX_UART1_BASE_PHYS,
71 .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
72 .irq = IRQ_IXP4XX_UART1,
73 .flags = UPF_BOOT_AUTOCONF,
74 .iotype = UPIO_MEM,
75 .regshift = 2,
76 .uartclk = IXP4XX_UART_XTAL,
77 },
78 {
79 .mapbase = IXP4XX_UART2_BASE_PHYS,
80 .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
81 .irq = IRQ_IXP4XX_UART2,
82 .flags = UPF_BOOT_AUTOCONF,
83 .iotype = UPIO_MEM,
84 .regshift = 2,
85 .uartclk = IXP4XX_UART_XTAL,
86 },
87 { }
88};
89
90static struct platform_device nslu2_uart = {
91 .name = "serial8250",
92 .id = PLAT8250_DEV_PLATFORM,
93 .dev.platform_data = nslu2_uart_data,
94 .num_resources = 2,
95 .resource = nslu2_uart_resources,
96};
97
98static struct platform_device *nslu2_devices[] __initdata = {
99 &nslu2_i2c_controller,
100 &nslu2_flash,
101 &nslu2_uart,
102};
103
104static void nslu2_power_off(void)
105{
106 /* This causes the box to drop the power and go dead. */
107
108 /* enable the pwr cntl gpio */
109 gpio_line_config(NSLU2_PO_GPIO, IXP4XX_GPIO_OUT);
110
111 /* do the deed */
112 gpio_line_set(NSLU2_PO_GPIO, IXP4XX_GPIO_HIGH);
113}
114
115static void __init nslu2_init(void)
116{
117 ixp4xx_sys_init();
118
119 pm_power_off = nslu2_power_off;
120
121 platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices));
122}
123
124MACHINE_START(NSLU2, "Linksys NSLU2")
125 /* Maintainer: www.nslu2-linux.org */
126 .phys_ram = PHYS_OFFSET,
127 .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
128 .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC,
129 .boot_params = 0x00000100,
130 .map_io = ixp4xx_map_io,
131 .init_irq = ixp4xx_init_irq,
132 .timer = &ixp4xx_timer,
133 .init_machine = nslu2_init,
134MACHINE_END
diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig
index 27fc2e8e5fca..86a0f0d14345 100644
--- a/arch/arm/mach-omap1/Kconfig
+++ b/arch/arm/mach-omap1/Kconfig
@@ -6,10 +6,10 @@ config ARCH_OMAP730
6 bool "OMAP730 Based System" 6 bool "OMAP730 Based System"
7 select ARCH_OMAP_OTG 7 select ARCH_OMAP_OTG
8 8
9config ARCH_OMAP1510 9config ARCH_OMAP15XX
10 depends on ARCH_OMAP1 10 depends on ARCH_OMAP1
11 default y 11 default y
12 bool "OMAP1510 Based System" 12 bool "OMAP15xx Based System"
13 13
14config ARCH_OMAP16XX 14config ARCH_OMAP16XX
15 depends on ARCH_OMAP1 15 depends on ARCH_OMAP1
@@ -21,7 +21,7 @@ comment "OMAP Board Type"
21 21
22config MACH_OMAP_INNOVATOR 22config MACH_OMAP_INNOVATOR
23 bool "TI Innovator" 23 bool "TI Innovator"
24 depends on ARCH_OMAP1 && (ARCH_OMAP1510 || ARCH_OMAP16XX) 24 depends on ARCH_OMAP1 && (ARCH_OMAP15XX || ARCH_OMAP16XX)
25 help 25 help
26 TI OMAP 1510 or 1610 Innovator board support. Say Y here if you 26 TI OMAP 1510 or 1610 Innovator board support. Say Y here if you
27 have such a board. 27 have such a board.
@@ -64,20 +64,30 @@ config MACH_OMAP_PERSEUS2
64 64
65config MACH_VOICEBLUE 65config MACH_VOICEBLUE
66 bool "Voiceblue" 66 bool "Voiceblue"
67 depends on ARCH_OMAP1 && ARCH_OMAP1510 67 depends on ARCH_OMAP1 && ARCH_OMAP15XX
68 help 68 help
69 Support for Voiceblue GSM/VoIP gateway. Say Y here if you have 69 Support for Voiceblue GSM/VoIP gateway. Say Y here if you have
70 such a board. 70 such a board.
71 71
72config MACH_NETSTAR 72config MACH_NETSTAR
73 bool "NetStar" 73 bool "NetStar"
74 depends on ARCH_OMAP1 && ARCH_OMAP1510 74 depends on ARCH_OMAP1 && ARCH_OMAP15XX
75 help 75 help
76 Support for NetStar PBX. Say Y here if you have such a board. 76 Support for NetStar PBX. Say Y here if you have such a board.
77 77
78config MACH_OMAP_PALMTE
79 bool "Palm Tungsten E"
80 depends on ARCH_OMAP1 && ARCH_OMAP15XX
81 help
82 Support for the Palm Tungsten E PDA. Currently only the LCD panel
83 is supported. To boot the kernel, you'll need a PalmOS compatible
84 bootloader; check out http://palmtelinux.sourceforge.net for more
85 informations.
86 Say Y here if you have such a PDA, say NO otherwise.
87
78config MACH_OMAP_GENERIC 88config MACH_OMAP_GENERIC
79 bool "Generic OMAP board" 89 bool "Generic OMAP board"
80 depends on ARCH_OMAP1 && (ARCH_OMAP1510 || ARCH_OMAP16XX) 90 depends on ARCH_OMAP1 && (ARCH_OMAP15XX || ARCH_OMAP16XX)
81 help 91 help
82 Support for generic OMAP-1510, 1610 or 1710 board with 92 Support for generic OMAP-1510, 1610 or 1710 board with
83 no FPGA. Can be used as template for porting Linux to 93 no FPGA. Can be used as template for porting Linux to
@@ -121,32 +131,32 @@ config OMAP_ARM_182MHZ
121 131
122config OMAP_ARM_168MHZ 132config OMAP_ARM_168MHZ
123 bool "OMAP ARM 168 MHz CPU" 133 bool "OMAP ARM 168 MHz CPU"
124 depends on ARCH_OMAP1 && (ARCH_OMAP1510 || ARCH_OMAP16XX || ARCH_OMAP730) 134 depends on ARCH_OMAP1 && (ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730)
125 help 135 help
126 Enable 168MHz clock for OMAP CPU. If unsure, say N. 136 Enable 168MHz clock for OMAP CPU. If unsure, say N.
127 137
128config OMAP_ARM_150MHZ 138config OMAP_ARM_150MHZ
129 bool "OMAP ARM 150 MHz CPU" 139 bool "OMAP ARM 150 MHz CPU"
130 depends on ARCH_OMAP1 && ARCH_OMAP1510 140 depends on ARCH_OMAP1 && ARCH_OMAP15XX
131 help 141 help
132 Enable 150MHz clock for OMAP CPU. If unsure, say N. 142 Enable 150MHz clock for OMAP CPU. If unsure, say N.
133 143
134config OMAP_ARM_120MHZ 144config OMAP_ARM_120MHZ
135 bool "OMAP ARM 120 MHz CPU" 145 bool "OMAP ARM 120 MHz CPU"
136 depends on ARCH_OMAP1 && (ARCH_OMAP1510 || ARCH_OMAP16XX || ARCH_OMAP730) 146 depends on ARCH_OMAP1 && (ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730)
137 help 147 help
138 Enable 120MHz clock for OMAP CPU. If unsure, say N. 148 Enable 120MHz clock for OMAP CPU. If unsure, say N.
139 149
140config OMAP_ARM_60MHZ 150config OMAP_ARM_60MHZ
141 bool "OMAP ARM 60 MHz CPU" 151 bool "OMAP ARM 60 MHz CPU"
142 depends on ARCH_OMAP1 && (ARCH_OMAP1510 || ARCH_OMAP16XX || ARCH_OMAP730) 152 depends on ARCH_OMAP1 && (ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730)
143 default y 153 default y
144 help 154 help
145 Enable 60MHz clock for OMAP CPU. If unsure, say Y. 155 Enable 60MHz clock for OMAP CPU. If unsure, say Y.
146 156
147config OMAP_ARM_30MHZ 157config OMAP_ARM_30MHZ
148 bool "OMAP ARM 30 MHz CPU" 158 bool "OMAP ARM 30 MHz CPU"
149 depends on ARCH_OMAP1 && (ARCH_OMAP1510 || ARCH_OMAP16XX || ARCH_OMAP730) 159 depends on ARCH_OMAP1 && (ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730)
150 help 160 help
151 Enable 30MHz clock for OMAP CPU. If unsure, say N. 161 Enable 30MHz clock for OMAP CPU. If unsure, say N.
152 162
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index 181a93deaaee..b0b00156faae 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -3,7 +3,7 @@
3# 3#
4 4
5# Common support 5# Common support
6obj-y := io.o id.o irq.o time.o serial.o devices.o 6obj-y := io.o id.o clock.o irq.o time.o mux.o serial.o devices.o
7led-y := leds.o 7led-y := leds.o
8 8
9# Specific board support 9# Specific board support
@@ -15,8 +15,9 @@ obj-$(CONFIG_MACH_OMAP_OSK) += board-osk.o
15obj-$(CONFIG_MACH_OMAP_H3) += board-h3.o 15obj-$(CONFIG_MACH_OMAP_H3) += board-h3.o
16obj-$(CONFIG_MACH_VOICEBLUE) += board-voiceblue.o 16obj-$(CONFIG_MACH_VOICEBLUE) += board-voiceblue.o
17obj-$(CONFIG_MACH_NETSTAR) += board-netstar.o 17obj-$(CONFIG_MACH_NETSTAR) += board-netstar.o
18obj-$(CONFIG_MACH_OMAP_PALMTE) += board-palmte.o
18 19
19ifeq ($(CONFIG_ARCH_OMAP1510),y) 20ifeq ($(CONFIG_ARCH_OMAP15XX),y)
20# Innovator-1510 FPGA 21# Innovator-1510 FPGA
21obj-$(CONFIG_MACH_OMAP_INNOVATOR) += fpga.o 22obj-$(CONFIG_MACH_OMAP_INNOVATOR) += fpga.o
22endif 23endif
diff --git a/arch/arm/mach-omap1/board-generic.c b/arch/arm/mach-omap1/board-generic.c
index c209c7172a9a..4b292e93fbe2 100644
--- a/arch/arm/mach-omap1/board-generic.c
+++ b/arch/arm/mach-omap1/board-generic.c
@@ -15,7 +15,7 @@
15 15
16#include <linux/kernel.h> 16#include <linux/kernel.h>
17#include <linux/init.h> 17#include <linux/init.h>
18#include <linux/device.h> 18#include <linux/platform_device.h>
19 19
20#include <asm/hardware.h> 20#include <asm/hardware.h>
21#include <asm/mach-types.h> 21#include <asm/mach-types.h>
@@ -28,8 +28,6 @@
28#include <asm/arch/board.h> 28#include <asm/arch/board.h>
29#include <asm/arch/common.h> 29#include <asm/arch/common.h>
30 30
31static int __initdata generic_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
32
33static void __init omap_generic_init_irq(void) 31static void __init omap_generic_init_irq(void)
34{ 32{
35 omap_init_irq(); 33 omap_init_irq();
@@ -37,7 +35,7 @@ static void __init omap_generic_init_irq(void)
37 35
38/* assume no Mini-AB port */ 36/* assume no Mini-AB port */
39 37
40#ifdef CONFIG_ARCH_OMAP1510 38#ifdef CONFIG_ARCH_OMAP15XX
41static struct omap_usb_config generic1510_usb_config __initdata = { 39static struct omap_usb_config generic1510_usb_config __initdata = {
42 .register_host = 1, 40 .register_host = 1,
43 .register_dev = 1, 41 .register_dev = 1,
@@ -76,21 +74,19 @@ static struct omap_mmc_config generic_mmc_config __initdata = {
76 74
77#endif 75#endif
78 76
77static struct omap_uart_config generic_uart_config __initdata = {
78 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
79};
80
79static struct omap_board_config_kernel generic_config[] = { 81static struct omap_board_config_kernel generic_config[] = {
80 { OMAP_TAG_USB, NULL }, 82 { OMAP_TAG_USB, NULL },
81 { OMAP_TAG_MMC, &generic_mmc_config }, 83 { OMAP_TAG_MMC, &generic_mmc_config },
84 { OMAP_TAG_UART, &generic_uart_config },
82}; 85};
83 86
84static void __init omap_generic_init(void) 87static void __init omap_generic_init(void)
85{ 88{
86 const struct omap_uart_config *uart_conf; 89#ifdef CONFIG_ARCH_OMAP15XX
87
88 /*
89 * Make sure the serial ports are muxed on at this point.
90 * You have to mux them off in device drivers later on
91 * if not needed.
92 */
93#ifdef CONFIG_ARCH_OMAP1510
94 if (cpu_is_omap1510()) { 90 if (cpu_is_omap1510()) {
95 generic_config[0].data = &generic1510_usb_config; 91 generic_config[0].data = &generic1510_usb_config;
96 } 92 }
@@ -101,20 +97,9 @@ static void __init omap_generic_init(void)
101 } 97 }
102#endif 98#endif
103 99
104 uart_conf = omap_get_config(OMAP_TAG_UART, struct omap_uart_config);
105 if (uart_conf != NULL) {
106 unsigned int enabled_ports, i;
107
108 enabled_ports = uart_conf->enabled_uarts;
109 for (i = 0; i < 3; i++) {
110 if (!(enabled_ports & (1 << i)))
111 generic_serial_ports[i] = 0;
112 }
113 }
114
115 omap_board_config = generic_config; 100 omap_board_config = generic_config;
116 omap_board_config_size = ARRAY_SIZE(generic_config); 101 omap_board_config_size = ARRAY_SIZE(generic_config);
117 omap_serial_init(generic_serial_ports); 102 omap_serial_init();
118} 103}
119 104
120static void __init omap_generic_map_io(void) 105static void __init omap_generic_map_io(void)
diff --git a/arch/arm/mach-omap1/board-h2.c b/arch/arm/mach-omap1/board-h2.c
index 4ee6bd8a50b8..a07e2c9307fa 100644
--- a/arch/arm/mach-omap1/board-h2.c
+++ b/arch/arm/mach-omap1/board-h2.c
@@ -40,8 +40,6 @@
40 40
41extern int omap_gpio_init(void); 41extern int omap_gpio_init(void);
42 42
43static int __initdata h2_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
44
45static struct mtd_partition h2_partitions[] = { 43static struct mtd_partition h2_partitions[] = {
46 /* bootloader (U-Boot, etc) in first sector */ 44 /* bootloader (U-Boot, etc) in first sector */
47 { 45 {
@@ -160,9 +158,20 @@ static struct omap_mmc_config h2_mmc_config __initdata = {
160 }, 158 },
161}; 159};
162 160
161static struct omap_uart_config h2_uart_config __initdata = {
162 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
163};
164
165static struct omap_lcd_config h2_lcd_config __initdata = {
166 .panel_name = "h2",
167 .ctrl_name = "internal",
168};
169
163static struct omap_board_config_kernel h2_config[] = { 170static struct omap_board_config_kernel h2_config[] = {
164 { OMAP_TAG_USB, &h2_usb_config }, 171 { OMAP_TAG_USB, &h2_usb_config },
165 { OMAP_TAG_MMC, &h2_mmc_config }, 172 { OMAP_TAG_MMC, &h2_mmc_config },
173 { OMAP_TAG_UART, &h2_uart_config },
174 { OMAP_TAG_LCD, &h2_lcd_config },
166}; 175};
167 176
168static void __init h2_init(void) 177static void __init h2_init(void)
@@ -180,12 +189,12 @@ static void __init h2_init(void)
180 platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices)); 189 platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
181 omap_board_config = h2_config; 190 omap_board_config = h2_config;
182 omap_board_config_size = ARRAY_SIZE(h2_config); 191 omap_board_config_size = ARRAY_SIZE(h2_config);
192 omap_serial_init();
183} 193}
184 194
185static void __init h2_map_io(void) 195static void __init h2_map_io(void)
186{ 196{
187 omap_map_common_io(); 197 omap_map_common_io();
188 omap_serial_init(h2_serial_ports);
189} 198}
190 199
191MACHINE_START(OMAP_H2, "TI-H2") 200MACHINE_START(OMAP_H2, "TI-H2")
diff --git a/arch/arm/mach-omap1/board-h3.c b/arch/arm/mach-omap1/board-h3.c
index fc824361430d..668e278433c2 100644
--- a/arch/arm/mach-omap1/board-h3.c
+++ b/arch/arm/mach-omap1/board-h3.c
@@ -41,8 +41,6 @@
41 41
42extern int omap_gpio_init(void); 42extern int omap_gpio_init(void);
43 43
44static int __initdata h3_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
45
46static struct mtd_partition h3_partitions[] = { 44static struct mtd_partition h3_partitions[] = {
47 /* bootloader (U-Boot, etc) in first sector */ 45 /* bootloader (U-Boot, etc) in first sector */
48 { 46 {
@@ -168,9 +166,20 @@ static struct omap_mmc_config h3_mmc_config __initdata = {
168 }, 166 },
169}; 167};
170 168
169static struct omap_uart_config h3_uart_config __initdata = {
170 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
171};
172
173static struct omap_lcd_config h3_lcd_config __initdata = {
174 .panel_name = "h3",
175 .ctrl_name = "internal",
176};
177
171static struct omap_board_config_kernel h3_config[] = { 178static struct omap_board_config_kernel h3_config[] = {
172 { OMAP_TAG_USB, &h3_usb_config }, 179 { OMAP_TAG_USB, &h3_usb_config },
173 { OMAP_TAG_MMC, &h3_mmc_config }, 180 { OMAP_TAG_MMC, &h3_mmc_config },
181 { OMAP_TAG_UART, &h3_uart_config },
182 { OMAP_TAG_LCD, &h3_lcd_config },
174}; 183};
175 184
176static void __init h3_init(void) 185static void __init h3_init(void)
@@ -180,6 +189,7 @@ static void __init h3_init(void)
180 (void) platform_add_devices(devices, ARRAY_SIZE(devices)); 189 (void) platform_add_devices(devices, ARRAY_SIZE(devices));
181 omap_board_config = h3_config; 190 omap_board_config = h3_config;
182 omap_board_config_size = ARRAY_SIZE(h3_config); 191 omap_board_config_size = ARRAY_SIZE(h3_config);
192 omap_serial_init();
183} 193}
184 194
185static void __init h3_init_smc91x(void) 195static void __init h3_init_smc91x(void)
@@ -201,7 +211,6 @@ void h3_init_irq(void)
201static void __init h3_map_io(void) 211static void __init h3_map_io(void)
202{ 212{
203 omap_map_common_io(); 213 omap_map_common_io();
204 omap_serial_init(h3_serial_ports);
205} 214}
206 215
207MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board") 216MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c
index a2eac853b2da..95f1ff36cdcb 100644
--- a/arch/arm/mach-omap1/board-innovator.c
+++ b/arch/arm/mach-omap1/board-innovator.c
@@ -36,8 +36,6 @@
36#include <asm/arch/usb.h> 36#include <asm/arch/usb.h>
37#include <asm/arch/common.h> 37#include <asm/arch/common.h>
38 38
39static int __initdata innovator_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
40
41static struct mtd_partition innovator_partitions[] = { 39static struct mtd_partition innovator_partitions[] = {
42 /* bootloader (U-Boot, etc) in first sector */ 40 /* bootloader (U-Boot, etc) in first sector */
43 { 41 {
@@ -99,7 +97,7 @@ static struct platform_device innovator_flash_device = {
99 .resource = &innovator_flash_resource, 97 .resource = &innovator_flash_resource,
100}; 98};
101 99
102#ifdef CONFIG_ARCH_OMAP1510 100#ifdef CONFIG_ARCH_OMAP15XX
103 101
104/* Only FPGA needs to be mapped here. All others are done with ioremap */ 102/* Only FPGA needs to be mapped here. All others are done with ioremap */
105static struct map_desc innovator1510_io_desc[] __initdata = { 103static struct map_desc innovator1510_io_desc[] __initdata = {
@@ -136,7 +134,7 @@ static struct platform_device *innovator1510_devices[] __initdata = {
136 &innovator1510_smc91x_device, 134 &innovator1510_smc91x_device,
137}; 135};
138 136
139#endif /* CONFIG_ARCH_OMAP1510 */ 137#endif /* CONFIG_ARCH_OMAP15XX */
140 138
141#ifdef CONFIG_ARCH_OMAP16XX 139#ifdef CONFIG_ARCH_OMAP16XX
142 140
@@ -185,7 +183,7 @@ void innovator_init_irq(void)
185{ 183{
186 omap_init_irq(); 184 omap_init_irq();
187 omap_gpio_init(); 185 omap_gpio_init();
188#ifdef CONFIG_ARCH_OMAP1510 186#ifdef CONFIG_ARCH_OMAP15XX
189 if (cpu_is_omap1510()) { 187 if (cpu_is_omap1510()) {
190 omap1510_fpga_init_irq(); 188 omap1510_fpga_init_irq();
191 } 189 }
@@ -193,7 +191,7 @@ void innovator_init_irq(void)
193 innovator_init_smc91x(); 191 innovator_init_smc91x();
194} 192}
195 193
196#ifdef CONFIG_ARCH_OMAP1510 194#ifdef CONFIG_ARCH_OMAP15XX
197static struct omap_usb_config innovator1510_usb_config __initdata = { 195static struct omap_usb_config innovator1510_usb_config __initdata = {
198 /* for bundled non-standard host and peripheral cables */ 196 /* for bundled non-standard host and peripheral cables */
199 .hmc_mode = 4, 197 .hmc_mode = 4,
@@ -205,6 +203,11 @@ static struct omap_usb_config innovator1510_usb_config __initdata = {
205 .register_dev = 1, 203 .register_dev = 1,
206 .pins[0] = 2, 204 .pins[0] = 2,
207}; 205};
206
207static struct omap_lcd_config innovator1510_lcd_config __initdata = {
208 .panel_name = "inn1510",
209 .ctrl_name = "internal",
210};
208#endif 211#endif
209 212
210#ifdef CONFIG_ARCH_OMAP16XX 213#ifdef CONFIG_ARCH_OMAP16XX
@@ -222,6 +225,11 @@ static struct omap_usb_config h2_usb_config __initdata = {
222 225
223 .pins[1] = 3, 226 .pins[1] = 3,
224}; 227};
228
229static struct omap_lcd_config innovator1610_lcd_config __initdata = {
230 .panel_name = "inn1610",
231 .ctrl_name = "internal",
232};
225#endif 233#endif
226 234
227static struct omap_mmc_config innovator_mmc_config __initdata = { 235static struct omap_mmc_config innovator_mmc_config __initdata = {
@@ -234,14 +242,20 @@ static struct omap_mmc_config innovator_mmc_config __initdata = {
234 }, 242 },
235}; 243};
236 244
245static struct omap_uart_config innovator_uart_config __initdata = {
246 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
247};
248
237static struct omap_board_config_kernel innovator_config[] = { 249static struct omap_board_config_kernel innovator_config[] = {
238 { OMAP_TAG_USB, NULL }, 250 { OMAP_TAG_USB, NULL },
251 { OMAP_TAG_LCD, NULL },
239 { OMAP_TAG_MMC, &innovator_mmc_config }, 252 { OMAP_TAG_MMC, &innovator_mmc_config },
253 { OMAP_TAG_UART, &innovator_uart_config },
240}; 254};
241 255
242static void __init innovator_init(void) 256static void __init innovator_init(void)
243{ 257{
244#ifdef CONFIG_ARCH_OMAP1510 258#ifdef CONFIG_ARCH_OMAP15XX
245 if (cpu_is_omap1510()) { 259 if (cpu_is_omap1510()) {
246 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices)); 260 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
247 } 261 }
@@ -252,23 +266,28 @@ static void __init innovator_init(void)
252 } 266 }
253#endif 267#endif
254 268
255#ifdef CONFIG_ARCH_OMAP1510 269#ifdef CONFIG_ARCH_OMAP15XX
256 if (cpu_is_omap1510()) 270 if (cpu_is_omap1510()) {
257 innovator_config[0].data = &innovator1510_usb_config; 271 innovator_config[0].data = &innovator1510_usb_config;
272 innovator_config[1].data = &innovator1510_lcd_config;
273 }
258#endif 274#endif
259#ifdef CONFIG_ARCH_OMAP16XX 275#ifdef CONFIG_ARCH_OMAP16XX
260 if (cpu_is_omap1610()) 276 if (cpu_is_omap1610()) {
261 innovator_config[0].data = &h2_usb_config; 277 innovator_config[0].data = &h2_usb_config;
278 innovator_config[1].data = &innovator1610_lcd_config;
279 }
262#endif 280#endif
263 omap_board_config = innovator_config; 281 omap_board_config = innovator_config;
264 omap_board_config_size = ARRAY_SIZE(innovator_config); 282 omap_board_config_size = ARRAY_SIZE(innovator_config);
283 omap_serial_init();
265} 284}
266 285
267static void __init innovator_map_io(void) 286static void __init innovator_map_io(void)
268{ 287{
269 omap_map_common_io(); 288 omap_map_common_io();
270 289
271#ifdef CONFIG_ARCH_OMAP1510 290#ifdef CONFIG_ARCH_OMAP15XX
272 if (cpu_is_omap1510()) { 291 if (cpu_is_omap1510()) {
273 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc)); 292 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
274 udelay(10); /* Delay needed for FPGA */ 293 udelay(10); /* Delay needed for FPGA */
@@ -280,7 +299,6 @@ static void __init innovator_map_io(void)
280 fpga_read(OMAP1510_FPGA_BOARD_REV)); 299 fpga_read(OMAP1510_FPGA_BOARD_REV));
281 } 300 }
282#endif 301#endif
283 omap_serial_init(innovator_serial_ports);
284} 302}
285 303
286MACHINE_START(OMAP_INNOVATOR, "TI-Innovator") 304MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
diff --git a/arch/arm/mach-omap1/board-netstar.c b/arch/arm/mach-omap1/board-netstar.c
index c851c2e4dfcb..0448fa7de8a4 100644
--- a/arch/arm/mach-omap1/board-netstar.c
+++ b/arch/arm/mach-omap1/board-netstar.c
@@ -55,6 +55,14 @@ static struct platform_device *netstar_devices[] __initdata = {
55 &netstar_smc91x_device, 55 &netstar_smc91x_device,
56}; 56};
57 57
58static struct omap_uart_config netstar_uart_config __initdata = {
59 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
60};
61
62static struct omap_board_config_kernel netstar_config[] = {
63 { OMAP_TAG_UART, &netstar_uart_config },
64};
65
58static void __init netstar_init_irq(void) 66static void __init netstar_init_irq(void)
59{ 67{
60 omap_init_irq(); 68 omap_init_irq();
@@ -92,14 +100,15 @@ static void __init netstar_init(void)
92 /* Switch off red LED */ 100 /* Switch off red LED */
93 omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */ 101 omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */
94 omap_writeb(0x80, OMAP_LPG1_LCR); 102 omap_writeb(0x80, OMAP_LPG1_LCR);
95}
96 103
97static int __initdata omap_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1}; 104 omap_board_config = netstar_config;
105 omap_board_config_size = ARRAY_SIZE(netstar_config);
106 omap_serial_init();
107}
98 108
99static void __init netstar_map_io(void) 109static void __init netstar_map_io(void)
100{ 110{
101 omap_map_common_io(); 111 omap_map_common_io();
102 omap_serial_init(omap_serial_ports);
103} 112}
104 113
105#define MACHINE_PANICED 1 114#define MACHINE_PANICED 1
diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c
index a88524e7c315..e990e1bc1669 100644
--- a/arch/arm/mach-omap1/board-osk.c
+++ b/arch/arm/mach-omap1/board-osk.c
@@ -46,8 +46,6 @@
46#include <asm/arch/tc.h> 46#include <asm/arch/tc.h>
47#include <asm/arch/common.h> 47#include <asm/arch/common.h>
48 48
49static int __initdata osk_serial_ports[OMAP_MAX_NR_PORTS] = {1, 0, 0};
50
51static struct mtd_partition osk_partitions[] = { 49static struct mtd_partition osk_partitions[] = {
52 /* bootloader (U-Boot, etc) in first sector */ 50 /* bootloader (U-Boot, etc) in first sector */
53 { 51 {
@@ -155,7 +153,7 @@ static void __init osk_init_smc91x(void)
155 } 153 }
156 154
157 /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */ 155 /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
158 EMIFS_CCS(1) |= 0x2; 156 EMIFS_CCS(1) |= 0x3;
159} 157}
160 158
161static void __init osk_init_cf(void) 159static void __init osk_init_cf(void)
@@ -193,8 +191,19 @@ static struct omap_usb_config osk_usb_config __initdata = {
193 .pins[0] = 2, 191 .pins[0] = 2,
194}; 192};
195 193
194static struct omap_uart_config osk_uart_config __initdata = {
195 .enabled_uarts = (1 << 0),
196};
197
198static struct omap_lcd_config osk_lcd_config __initdata = {
199 .panel_name = "osk",
200 .ctrl_name = "internal",
201};
202
196static struct omap_board_config_kernel osk_config[] = { 203static struct omap_board_config_kernel osk_config[] = {
197 { OMAP_TAG_USB, &osk_usb_config }, 204 { OMAP_TAG_USB, &osk_usb_config },
205 { OMAP_TAG_UART, &osk_uart_config },
206 { OMAP_TAG_LCD, &osk_lcd_config },
198}; 207};
199 208
200#ifdef CONFIG_OMAP_OSK_MISTRAL 209#ifdef CONFIG_OMAP_OSK_MISTRAL
@@ -254,13 +263,13 @@ static void __init osk_init(void)
254 omap_board_config_size = ARRAY_SIZE(osk_config); 263 omap_board_config_size = ARRAY_SIZE(osk_config);
255 USB_TRANSCEIVER_CTRL_REG |= (3 << 1); 264 USB_TRANSCEIVER_CTRL_REG |= (3 << 1);
256 265
266 omap_serial_init();
257 osk_mistral_init(); 267 osk_mistral_init();
258} 268}
259 269
260static void __init osk_map_io(void) 270static void __init osk_map_io(void)
261{ 271{
262 omap_map_common_io(); 272 omap_map_common_io();
263 omap_serial_init(osk_serial_ports);
264} 273}
265 274
266MACHINE_START(OMAP_OSK, "TI-OSK") 275MACHINE_START(OMAP_OSK, "TI-OSK")
diff --git a/arch/arm/mach-omap1/board-palmte.c b/arch/arm/mach-omap1/board-palmte.c
new file mode 100644
index 000000000000..540b20d78cca
--- /dev/null
+++ b/arch/arm/mach-omap1/board-palmte.c
@@ -0,0 +1,87 @@
1/*
2 * linux/arch/arm/mach-omap1/board-palmte.c
3 *
4 * Modified from board-generic.c
5 *
6 * Support for the Palm Tungsten E PDA.
7 *
8 * Original version : Laurent Gonzalez
9 *
10 * Maintainters : http://palmtelinux.sf.net
11 * palmtelinux-developpers@lists.sf.net
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2 as
15 * published by the Free Software Foundation.
16 */
17
18#include <linux/kernel.h>
19#include <linux/init.h>
20#include <linux/platform_device.h>
21#include <linux/notifier.h>
22
23#include <asm/hardware.h>
24#include <asm/mach-types.h>
25#include <asm/mach/arch.h>
26#include <asm/mach/map.h>
27
28#include <asm/arch/gpio.h>
29#include <asm/arch/mux.h>
30#include <asm/arch/usb.h>
31#include <asm/arch/board.h>
32#include <asm/arch/common.h>
33#include <asm/hardware/clock.h>
34
35static void __init omap_generic_init_irq(void)
36{
37 omap_init_irq();
38}
39
40static struct omap_usb_config palmte_usb_config __initdata = {
41 .register_dev = 1,
42 .hmc_mode = 0,
43 .pins[0] = 3,
44};
45
46static struct omap_mmc_config palmte_mmc_config __initdata = {
47 .mmc [0] = {
48 .enabled = 1,
49 .wire4 = 1,
50 .wp_pin = OMAP_MPUIO(3),
51 .power_pin = -1,
52 .switch_pin = -1,
53 },
54};
55
56static struct omap_lcd_config palmte_lcd_config __initdata = {
57 .panel_name = "palmte",
58 .ctrl_name = "internal",
59};
60
61static struct omap_board_config_kernel palmte_config[] = {
62 { OMAP_TAG_USB, &palmte_usb_config },
63 { OMAP_TAG_MMC, &palmte_mmc_config },
64 { OMAP_TAG_LCD, &palmte_lcd_config },
65};
66
67static void __init omap_generic_init(void)
68{
69 omap_board_config = palmte_config;
70 omap_board_config_size = ARRAY_SIZE(palmte_config);
71}
72
73static void __init omap_generic_map_io(void)
74{
75 omap_map_common_io();
76}
77
78MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E")
79 .phys_ram = 0x10000000,
80 .phys_io = 0xfff00000,
81 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
82 .boot_params = 0x10000100,
83 .map_io = omap_generic_map_io,
84 .init_irq = omap_generic_init_irq,
85 .init_machine = omap_generic_init,
86 .timer = &omap_timer,
87MACHINE_END
diff --git a/arch/arm/mach-omap1/board-perseus2.c b/arch/arm/mach-omap1/board-perseus2.c
index 354b157acb3a..bd900b7ab33c 100644
--- a/arch/arm/mach-omap1/board-perseus2.c
+++ b/arch/arm/mach-omap1/board-perseus2.c
@@ -29,6 +29,7 @@
29#include <asm/arch/mux.h> 29#include <asm/arch/mux.h>
30#include <asm/arch/fpga.h> 30#include <asm/arch/fpga.h>
31#include <asm/arch/common.h> 31#include <asm/arch/common.h>
32#include <asm/arch/board.h>
32 33
33static struct resource smc91x_resources[] = { 34static struct resource smc91x_resources[] = {
34 [0] = { 35 [0] = {
@@ -43,8 +44,6 @@ static struct resource smc91x_resources[] = {
43 }, 44 },
44}; 45};
45 46
46static int __initdata p2_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 0};
47
48static struct mtd_partition p2_partitions[] = { 47static struct mtd_partition p2_partitions[] = {
49 /* bootloader (U-Boot, etc) in first sector */ 48 /* bootloader (U-Boot, etc) in first sector */
50 { 49 {
@@ -111,9 +110,27 @@ static struct platform_device *devices[] __initdata = {
111 &smc91x_device, 110 &smc91x_device,
112}; 111};
113 112
113static struct omap_uart_config perseus2_uart_config __initdata = {
114 .enabled_uarts = ((1 << 0) | (1 << 1)),
115};
116
117static struct omap_lcd_config perseus2_lcd_config __initdata = {
118 .panel_name = "p2",
119 .ctrl_name = "internal",
120};
121
122static struct omap_board_config_kernel perseus2_config[] = {
123 { OMAP_TAG_UART, &perseus2_uart_config },
124 { OMAP_TAG_LCD, &perseus2_lcd_config },
125};
126
114static void __init omap_perseus2_init(void) 127static void __init omap_perseus2_init(void)
115{ 128{
116 (void) platform_add_devices(devices, ARRAY_SIZE(devices)); 129 (void) platform_add_devices(devices, ARRAY_SIZE(devices));
130
131 omap_board_config = perseus2_config;
132 omap_board_config_size = ARRAY_SIZE(perseus2_config);
133 omap_serial_init();
117} 134}
118 135
119static void __init perseus2_init_smc91x(void) 136static void __init perseus2_init_smc91x(void)
@@ -131,7 +148,6 @@ void omap_perseus2_init_irq(void)
131 omap_gpio_init(); 148 omap_gpio_init();
132 perseus2_init_smc91x(); 149 perseus2_init_smc91x();
133} 150}
134
135/* Only FPGA needs to be mapped here. All others are done with ioremap */ 151/* Only FPGA needs to be mapped here. All others are done with ioremap */
136static struct map_desc omap_perseus2_io_desc[] __initdata = { 152static struct map_desc omap_perseus2_io_desc[] __initdata = {
137 { 153 {
@@ -179,7 +195,6 @@ static void __init omap_perseus2_map_io(void)
179 * It is used as the Ethernet controller interrupt 195 * It is used as the Ethernet controller interrupt
180 */ 196 */
181 omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9); 197 omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
182 omap_serial_init(p2_serial_ports);
183} 198}
184 199
185MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2") 200MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c
index 3f018b296861..6f9a6220e78a 100644
--- a/arch/arm/mach-omap1/board-voiceblue.c
+++ b/arch/arm/mach-omap1/board-voiceblue.c
@@ -150,9 +150,14 @@ static struct omap_mmc_config voiceblue_mmc_config __initdata = {
150 }, 150 },
151}; 151};
152 152
153static struct omap_uart_config voiceblue_uart_config __initdata = {
154 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
155};
156
153static struct omap_board_config_kernel voiceblue_config[] = { 157static struct omap_board_config_kernel voiceblue_config[] = {
154 { OMAP_TAG_USB, &voiceblue_usb_config }, 158 { OMAP_TAG_USB, &voiceblue_usb_config },
155 { OMAP_TAG_MMC, &voiceblue_mmc_config }, 159 { OMAP_TAG_MMC, &voiceblue_mmc_config },
160 { OMAP_TAG_UART, &voiceblue_uart_config },
156}; 161};
157 162
158static void __init voiceblue_init_irq(void) 163static void __init voiceblue_init_irq(void)
@@ -191,6 +196,7 @@ static void __init voiceblue_init(void)
191 platform_add_devices(voiceblue_devices, ARRAY_SIZE(voiceblue_devices)); 196 platform_add_devices(voiceblue_devices, ARRAY_SIZE(voiceblue_devices));
192 omap_board_config = voiceblue_config; 197 omap_board_config = voiceblue_config;
193 omap_board_config_size = ARRAY_SIZE(voiceblue_config); 198 omap_board_config_size = ARRAY_SIZE(voiceblue_config);
199 omap_serial_init();
194 200
195 /* There is a good chance board is going up, so enable power LED 201 /* There is a good chance board is going up, so enable power LED
196 * (it is connected through invertor) */ 202 * (it is connected through invertor) */
@@ -198,12 +204,9 @@ static void __init voiceblue_init(void)
198 omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */ 204 omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */
199} 205}
200 206
201static int __initdata omap_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
202
203static void __init voiceblue_map_io(void) 207static void __init voiceblue_map_io(void)
204{ 208{
205 omap_map_common_io(); 209 omap_map_common_io();
206 omap_serial_init(omap_serial_ports);
207} 210}
208 211
209#define MACHINE_PANICED 1 212#define MACHINE_PANICED 1
diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
new file mode 100644
index 000000000000..4277eee44ed5
--- /dev/null
+++ b/arch/arm/mach-omap1/clock.c
@@ -0,0 +1,792 @@
1/*
2 * linux/arch/arm/mach-omap1/clock.c
3 *
4 * Copyright (C) 2004 - 2005 Nokia corporation
5 * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
6 *
7 * Modified to use omap shared clock framework by
8 * Tony Lindgren <tony@atomide.com>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14#include <linux/module.h>
15#include <linux/kernel.h>
16#include <linux/list.h>
17#include <linux/errno.h>
18#include <linux/err.h>
19
20#include <asm/io.h>
21#include <asm/hardware/clock.h>
22
23#include <asm/arch/usb.h>
24#include <asm/arch/clock.h>
25#include <asm/arch/sram.h>
26
27#include "clock.h"
28
29__u32 arm_idlect1_mask;
30
31/*-------------------------------------------------------------------------
32 * Omap1 specific clock functions
33 *-------------------------------------------------------------------------*/
34
35static void omap1_watchdog_recalc(struct clk * clk)
36{
37 clk->rate = clk->parent->rate / 14;
38}
39
40static void omap1_uart_recalc(struct clk * clk)
41{
42 unsigned int val = omap_readl(clk->enable_reg);
43 if (val & clk->enable_bit)
44 clk->rate = 48000000;
45 else
46 clk->rate = 12000000;
47}
48
49static int omap1_clk_enable_dsp_domain(struct clk *clk)
50{
51 int retval;
52
53 retval = omap1_clk_use(&api_ck.clk);
54 if (!retval) {
55 retval = omap1_clk_enable(clk);
56 omap1_clk_unuse(&api_ck.clk);
57 }
58
59 return retval;
60}
61
62static void omap1_clk_disable_dsp_domain(struct clk *clk)
63{
64 if (omap1_clk_use(&api_ck.clk) == 0) {
65 omap1_clk_disable(clk);
66 omap1_clk_unuse(&api_ck.clk);
67 }
68}
69
70static int omap1_clk_enable_uart_functional(struct clk *clk)
71{
72 int ret;
73 struct uart_clk *uclk;
74
75 ret = omap1_clk_enable(clk);
76 if (ret == 0) {
77 /* Set smart idle acknowledgement mode */
78 uclk = (struct uart_clk *)clk;
79 omap_writeb((omap_readb(uclk->sysc_addr) & ~0x10) | 8,
80 uclk->sysc_addr);
81 }
82
83 return ret;
84}
85
86static void omap1_clk_disable_uart_functional(struct clk *clk)
87{
88 struct uart_clk *uclk;
89
90 /* Set force idle acknowledgement mode */
91 uclk = (struct uart_clk *)clk;
92 omap_writeb((omap_readb(uclk->sysc_addr) & ~0x18), uclk->sysc_addr);
93
94 omap1_clk_disable(clk);
95}
96
97static void omap1_clk_allow_idle(struct clk *clk)
98{
99 struct arm_idlect1_clk * iclk = (struct arm_idlect1_clk *)clk;
100
101 if (!(clk->flags & CLOCK_IDLE_CONTROL))
102 return;
103
104 if (iclk->no_idle_count > 0 && !(--iclk->no_idle_count))
105 arm_idlect1_mask |= 1 << iclk->idlect_shift;
106}
107
108static void omap1_clk_deny_idle(struct clk *clk)
109{
110 struct arm_idlect1_clk * iclk = (struct arm_idlect1_clk *)clk;
111
112 if (!(clk->flags & CLOCK_IDLE_CONTROL))
113 return;
114
115 if (iclk->no_idle_count++ == 0)
116 arm_idlect1_mask &= ~(1 << iclk->idlect_shift);
117}
118
119static __u16 verify_ckctl_value(__u16 newval)
120{
121 /* This function checks for following limitations set
122 * by the hardware (all conditions must be true):
123 * DSPMMU_CK == DSP_CK or DSPMMU_CK == DSP_CK/2
124 * ARM_CK >= TC_CK
125 * DSP_CK >= TC_CK
126 * DSPMMU_CK >= TC_CK
127 *
128 * In addition following rules are enforced:
129 * LCD_CK <= TC_CK
130 * ARMPER_CK <= TC_CK
131 *
132 * However, maximum frequencies are not checked for!
133 */
134 __u8 per_exp;
135 __u8 lcd_exp;
136 __u8 arm_exp;
137 __u8 dsp_exp;
138 __u8 tc_exp;
139 __u8 dspmmu_exp;
140
141 per_exp = (newval >> CKCTL_PERDIV_OFFSET) & 3;
142 lcd_exp = (newval >> CKCTL_LCDDIV_OFFSET) & 3;
143 arm_exp = (newval >> CKCTL_ARMDIV_OFFSET) & 3;
144 dsp_exp = (newval >> CKCTL_DSPDIV_OFFSET) & 3;
145 tc_exp = (newval >> CKCTL_TCDIV_OFFSET) & 3;
146 dspmmu_exp = (newval >> CKCTL_DSPMMUDIV_OFFSET) & 3;
147
148 if (dspmmu_exp < dsp_exp)
149 dspmmu_exp = dsp_exp;
150 if (dspmmu_exp > dsp_exp+1)
151 dspmmu_exp = dsp_exp+1;
152 if (tc_exp < arm_exp)
153 tc_exp = arm_exp;
154 if (tc_exp < dspmmu_exp)
155 tc_exp = dspmmu_exp;
156 if (tc_exp > lcd_exp)
157 lcd_exp = tc_exp;
158 if (tc_exp > per_exp)
159 per_exp = tc_exp;
160
161 newval &= 0xf000;
162 newval |= per_exp << CKCTL_PERDIV_OFFSET;
163 newval |= lcd_exp << CKCTL_LCDDIV_OFFSET;
164 newval |= arm_exp << CKCTL_ARMDIV_OFFSET;
165 newval |= dsp_exp << CKCTL_DSPDIV_OFFSET;
166 newval |= tc_exp << CKCTL_TCDIV_OFFSET;
167 newval |= dspmmu_exp << CKCTL_DSPMMUDIV_OFFSET;
168
169 return newval;
170}
171
172static int calc_dsor_exp(struct clk *clk, unsigned long rate)
173{
174 /* Note: If target frequency is too low, this function will return 4,
175 * which is invalid value. Caller must check for this value and act
176 * accordingly.
177 *
178 * Note: This function does not check for following limitations set
179 * by the hardware (all conditions must be true):
180 * DSPMMU_CK == DSP_CK or DSPMMU_CK == DSP_CK/2
181 * ARM_CK >= TC_CK
182 * DSP_CK >= TC_CK
183 * DSPMMU_CK >= TC_CK
184 */
185 unsigned long realrate;
186 struct clk * parent;
187 unsigned dsor_exp;
188
189 if (unlikely(!(clk->flags & RATE_CKCTL)))
190 return -EINVAL;
191
192 parent = clk->parent;
193 if (unlikely(parent == 0))
194 return -EIO;
195
196 realrate = parent->rate;
197 for (dsor_exp=0; dsor_exp<4; dsor_exp++) {
198 if (realrate <= rate)
199 break;
200
201 realrate /= 2;
202 }
203
204 return dsor_exp;
205}
206
207static void omap1_ckctl_recalc(struct clk * clk)
208{
209 int dsor;
210
211 /* Calculate divisor encoded as 2-bit exponent */
212 dsor = 1 << (3 & (omap_readw(ARM_CKCTL) >> clk->rate_offset));
213
214 if (unlikely(clk->rate == clk->parent->rate / dsor))
215 return; /* No change, quick exit */
216 clk->rate = clk->parent->rate / dsor;
217
218 if (unlikely(clk->flags & RATE_PROPAGATES))
219 propagate_rate(clk);
220}
221
222static void omap1_ckctl_recalc_dsp_domain(struct clk * clk)
223{
224 int dsor;
225
226 /* Calculate divisor encoded as 2-bit exponent
227 *
228 * The clock control bits are in DSP domain,
229 * so api_ck is needed for access.
230 * Note that DSP_CKCTL virt addr = phys addr, so
231 * we must use __raw_readw() instead of omap_readw().
232 */
233 omap1_clk_use(&api_ck.clk);
234 dsor = 1 << (3 & (__raw_readw(DSP_CKCTL) >> clk->rate_offset));
235 omap1_clk_unuse(&api_ck.clk);
236
237 if (unlikely(clk->rate == clk->parent->rate / dsor))
238 return; /* No change, quick exit */
239 clk->rate = clk->parent->rate / dsor;
240
241 if (unlikely(clk->flags & RATE_PROPAGATES))
242 propagate_rate(clk);
243}
244
245/* MPU virtual clock functions */
246static int omap1_select_table_rate(struct clk * clk, unsigned long rate)
247{
248 /* Find the highest supported frequency <= rate and switch to it */
249 struct mpu_rate * ptr;
250
251 if (clk != &virtual_ck_mpu)
252 return -EINVAL;
253
254 for (ptr = rate_table; ptr->rate; ptr++) {
255 if (ptr->xtal != ck_ref.rate)
256 continue;
257
258 /* DPLL1 cannot be reprogrammed without risking system crash */
259 if (likely(ck_dpll1.rate!=0) && ptr->pll_rate != ck_dpll1.rate)
260 continue;
261
262 /* Can check only after xtal frequency check */
263 if (ptr->rate <= rate)
264 break;
265 }
266
267 if (!ptr->rate)
268 return -EINVAL;
269
270 /*
271 * In most cases we should not need to reprogram DPLL.
272 * Reprogramming the DPLL is tricky, it must be done from SRAM.
273 */
274 omap_sram_reprogram_clock(ptr->dpllctl_val, ptr->ckctl_val);
275
276 ck_dpll1.rate = ptr->pll_rate;
277 propagate_rate(&ck_dpll1);
278 return 0;
279}
280
281static int omap1_clk_set_rate_dsp_domain(struct clk *clk, unsigned long rate)
282{
283 int ret = -EINVAL;
284 int dsor_exp;
285 __u16 regval;
286
287 if (clk->flags & RATE_CKCTL) {
288 dsor_exp = calc_dsor_exp(clk, rate);
289 if (dsor_exp > 3)
290 dsor_exp = -EINVAL;
291 if (dsor_exp < 0)
292 return dsor_exp;
293
294 regval = __raw_readw(DSP_CKCTL);
295 regval &= ~(3 << clk->rate_offset);
296 regval |= dsor_exp << clk->rate_offset;
297 __raw_writew(regval, DSP_CKCTL);
298 clk->rate = clk->parent->rate / (1 << dsor_exp);
299 ret = 0;
300 }
301
302 if (unlikely(ret == 0 && (clk->flags & RATE_PROPAGATES)))
303 propagate_rate(clk);
304
305 return ret;
306}
307
308static long omap1_round_to_table_rate(struct clk * clk, unsigned long rate)
309{
310 /* Find the highest supported frequency <= rate */
311 struct mpu_rate * ptr;
312 long highest_rate;
313
314 if (clk != &virtual_ck_mpu)
315 return -EINVAL;
316
317 highest_rate = -EINVAL;
318
319 for (ptr = rate_table; ptr->rate; ptr++) {
320 if (ptr->xtal != ck_ref.rate)
321 continue;
322
323 highest_rate = ptr->rate;
324
325 /* Can check only after xtal frequency check */
326 if (ptr->rate <= rate)
327 break;
328 }
329
330 return highest_rate;
331}
332
333static unsigned calc_ext_dsor(unsigned long rate)
334{
335 unsigned dsor;
336
337 /* MCLK and BCLK divisor selection is not linear:
338 * freq = 96MHz / dsor
339 *
340 * RATIO_SEL range: dsor <-> RATIO_SEL
341 * 0..6: (RATIO_SEL+2) <-> (dsor-2)
342 * 6..48: (8+(RATIO_SEL-6)*2) <-> ((dsor-8)/2+6)
343 * Minimum dsor is 2 and maximum is 96. Odd divisors starting from 9
344 * can not be used.
345 */
346 for (dsor = 2; dsor < 96; ++dsor) {
347 if ((dsor & 1) && dsor > 8)
348 continue;
349 if (rate >= 96000000 / dsor)
350 break;
351 }
352 return dsor;
353}
354
355/* Only needed on 1510 */
356static int omap1_set_uart_rate(struct clk * clk, unsigned long rate)
357{
358 unsigned int val;
359
360 val = omap_readl(clk->enable_reg);
361 if (rate == 12000000)
362 val &= ~(1 << clk->enable_bit);
363 else if (rate == 48000000)
364 val |= (1 << clk->enable_bit);
365 else
366 return -EINVAL;
367 omap_writel(val, clk->enable_reg);
368 clk->rate = rate;
369
370 return 0;
371}
372
373/* External clock (MCLK & BCLK) functions */
374static int omap1_set_ext_clk_rate(struct clk * clk, unsigned long rate)
375{
376 unsigned dsor;
377 __u16 ratio_bits;
378
379 dsor = calc_ext_dsor(rate);
380 clk->rate = 96000000 / dsor;
381 if (dsor > 8)
382 ratio_bits = ((dsor - 8) / 2 + 6) << 2;
383 else
384 ratio_bits = (dsor - 2) << 2;
385
386 ratio_bits |= omap_readw(clk->enable_reg) & ~0xfd;
387 omap_writew(ratio_bits, clk->enable_reg);
388
389 return 0;
390}
391
392static long omap1_round_ext_clk_rate(struct clk * clk, unsigned long rate)
393{
394 return 96000000 / calc_ext_dsor(rate);
395}
396
397static void omap1_init_ext_clk(struct clk * clk)
398{
399 unsigned dsor;
400 __u16 ratio_bits;
401
402 /* Determine current rate and ensure clock is based on 96MHz APLL */
403 ratio_bits = omap_readw(clk->enable_reg) & ~1;
404 omap_writew(ratio_bits, clk->enable_reg);
405
406 ratio_bits = (ratio_bits & 0xfc) >> 2;
407 if (ratio_bits > 6)
408 dsor = (ratio_bits - 6) * 2 + 8;
409 else
410 dsor = ratio_bits + 2;
411
412 clk-> rate = 96000000 / dsor;
413}
414
415static int omap1_clk_use(struct clk *clk)
416{
417 int ret = 0;
418 if (clk->usecount++ == 0) {
419 if (likely(clk->parent)) {
420 ret = omap1_clk_use(clk->parent);
421
422 if (unlikely(ret != 0)) {
423 clk->usecount--;
424 return ret;
425 }
426
427 if (clk->flags & CLOCK_NO_IDLE_PARENT)
428 if (!cpu_is_omap24xx())
429 omap1_clk_deny_idle(clk->parent);
430 }
431
432 ret = clk->enable(clk);
433
434 if (unlikely(ret != 0) && clk->parent) {
435 omap1_clk_unuse(clk->parent);
436 clk->usecount--;
437 }
438 }
439
440 return ret;
441}
442
443static void omap1_clk_unuse(struct clk *clk)
444{
445 if (clk->usecount > 0 && !(--clk->usecount)) {
446 clk->disable(clk);
447 if (likely(clk->parent)) {
448 omap1_clk_unuse(clk->parent);
449 if (clk->flags & CLOCK_NO_IDLE_PARENT)
450 if (!cpu_is_omap24xx())
451 omap1_clk_allow_idle(clk->parent);
452 }
453 }
454}
455
456static int omap1_clk_enable(struct clk *clk)
457{
458 __u16 regval16;
459 __u32 regval32;
460
461 if (clk->flags & ALWAYS_ENABLED)
462 return 0;
463
464 if (unlikely(clk->enable_reg == 0)) {
465 printk(KERN_ERR "clock.c: Enable for %s without enable code\n",
466 clk->name);
467 return 0;
468 }
469
470 if (clk->flags & ENABLE_REG_32BIT) {
471 if (clk->flags & VIRTUAL_IO_ADDRESS) {
472 regval32 = __raw_readl(clk->enable_reg);
473 regval32 |= (1 << clk->enable_bit);
474 __raw_writel(regval32, clk->enable_reg);
475 } else {
476 regval32 = omap_readl(clk->enable_reg);
477 regval32 |= (1 << clk->enable_bit);
478 omap_writel(regval32, clk->enable_reg);
479 }
480 } else {
481 if (clk->flags & VIRTUAL_IO_ADDRESS) {
482 regval16 = __raw_readw(clk->enable_reg);
483 regval16 |= (1 << clk->enable_bit);
484 __raw_writew(regval16, clk->enable_reg);
485 } else {
486 regval16 = omap_readw(clk->enable_reg);
487 regval16 |= (1 << clk->enable_bit);
488 omap_writew(regval16, clk->enable_reg);
489 }
490 }
491
492 return 0;
493}
494
495static void omap1_clk_disable(struct clk *clk)
496{
497 __u16 regval16;
498 __u32 regval32;
499
500 if (clk->enable_reg == 0)
501 return;
502
503 if (clk->flags & ENABLE_REG_32BIT) {
504 if (clk->flags & VIRTUAL_IO_ADDRESS) {
505 regval32 = __raw_readl(clk->enable_reg);
506 regval32 &= ~(1 << clk->enable_bit);
507 __raw_writel(regval32, clk->enable_reg);
508 } else {
509 regval32 = omap_readl(clk->enable_reg);
510 regval32 &= ~(1 << clk->enable_bit);
511 omap_writel(regval32, clk->enable_reg);
512 }
513 } else {
514 if (clk->flags & VIRTUAL_IO_ADDRESS) {
515 regval16 = __raw_readw(clk->enable_reg);
516 regval16 &= ~(1 << clk->enable_bit);
517 __raw_writew(regval16, clk->enable_reg);
518 } else {
519 regval16 = omap_readw(clk->enable_reg);
520 regval16 &= ~(1 << clk->enable_bit);
521 omap_writew(regval16, clk->enable_reg);
522 }
523 }
524}
525
526static long omap1_clk_round_rate(struct clk *clk, unsigned long rate)
527{
528 int dsor_exp;
529
530 if (clk->flags & RATE_FIXED)
531 return clk->rate;
532
533 if (clk->flags & RATE_CKCTL) {
534 dsor_exp = calc_dsor_exp(clk, rate);
535 if (dsor_exp < 0)
536 return dsor_exp;
537 if (dsor_exp > 3)
538 dsor_exp = 3;
539 return clk->parent->rate / (1 << dsor_exp);
540 }
541
542 if(clk->round_rate != 0)
543 return clk->round_rate(clk, rate);
544
545 return clk->rate;
546}
547
548static int omap1_clk_set_rate(struct clk *clk, unsigned long rate)
549{
550 int ret = -EINVAL;
551 int dsor_exp;
552 __u16 regval;
553
554 if (clk->set_rate)
555 ret = clk->set_rate(clk, rate);
556 else if (clk->flags & RATE_CKCTL) {
557 dsor_exp = calc_dsor_exp(clk, rate);
558 if (dsor_exp > 3)
559 dsor_exp = -EINVAL;
560 if (dsor_exp < 0)
561 return dsor_exp;
562
563 regval = omap_readw(ARM_CKCTL);
564 regval &= ~(3 << clk->rate_offset);
565 regval |= dsor_exp << clk->rate_offset;
566 regval = verify_ckctl_value(regval);
567 omap_writew(regval, ARM_CKCTL);
568 clk->rate = clk->parent->rate / (1 << dsor_exp);
569 ret = 0;
570 }
571
572 if (unlikely(ret == 0 && (clk->flags & RATE_PROPAGATES)))
573 propagate_rate(clk);
574
575 return ret;
576}
577
578/*-------------------------------------------------------------------------
579 * Omap1 clock reset and init functions
580 *-------------------------------------------------------------------------*/
581
582#ifdef CONFIG_OMAP_RESET_CLOCKS
583/*
584 * Resets some clocks that may be left on from bootloader,
585 * but leaves serial clocks on. See also omap_late_clk_reset().
586 */
587static inline void omap1_early_clk_reset(void)
588{
589 //omap_writel(0x3 << 29, MOD_CONF_CTRL_0);
590}
591
592static int __init omap1_late_clk_reset(void)
593{
594 /* Turn off all unused clocks */
595 struct clk *p;
596 __u32 regval32;
597
598 /* USB_REQ_EN will be disabled later if necessary (usb_dc_ck) */
599 regval32 = omap_readw(SOFT_REQ_REG) & (1 << 4);
600 omap_writew(regval32, SOFT_REQ_REG);
601 omap_writew(0, SOFT_REQ_REG2);
602
603 list_for_each_entry(p, &clocks, node) {
604 if (p->usecount > 0 || (p->flags & ALWAYS_ENABLED) ||
605 p->enable_reg == 0)
606 continue;
607
608 /* Clocks in the DSP domain need api_ck. Just assume bootloader
609 * has not enabled any DSP clocks */
610 if ((u32)p->enable_reg == DSP_IDLECT2) {
611 printk(KERN_INFO "Skipping reset check for DSP domain "
612 "clock \"%s\"\n", p->name);
613 continue;
614 }
615
616 /* Is the clock already disabled? */
617 if (p->flags & ENABLE_REG_32BIT) {
618 if (p->flags & VIRTUAL_IO_ADDRESS)
619 regval32 = __raw_readl(p->enable_reg);
620 else
621 regval32 = omap_readl(p->enable_reg);
622 } else {
623 if (p->flags & VIRTUAL_IO_ADDRESS)
624 regval32 = __raw_readw(p->enable_reg);
625 else
626 regval32 = omap_readw(p->enable_reg);
627 }
628
629 if ((regval32 & (1 << p->enable_bit)) == 0)
630 continue;
631
632 /* FIXME: This clock seems to be necessary but no-one
633 * has asked for its activation. */
634 if (p == &tc2_ck // FIX: pm.c (SRAM), CCP, Camera
635 || p == &ck_dpll1out.clk // FIX: SoSSI, SSR
636 || p == &arm_gpio_ck // FIX: GPIO code for 1510
637 ) {
638 printk(KERN_INFO "FIXME: Clock \"%s\" seems unused\n",
639 p->name);
640 continue;
641 }
642
643 printk(KERN_INFO "Disabling unused clock \"%s\"... ", p->name);
644 p->disable(p);
645 printk(" done\n");
646 }
647
648 return 0;
649}
650late_initcall(omap1_late_clk_reset);
651
652#else
653#define omap1_early_clk_reset() {}
654#endif
655
656static struct clk_functions omap1_clk_functions = {
657 .clk_use = omap1_clk_use,
658 .clk_unuse = omap1_clk_unuse,
659 .clk_round_rate = omap1_clk_round_rate,
660 .clk_set_rate = omap1_clk_set_rate,
661};
662
663int __init omap1_clk_init(void)
664{
665 struct clk ** clkp;
666 const struct omap_clock_config *info;
667 int crystal_type = 0; /* Default 12 MHz */
668
669 omap1_early_clk_reset();
670 clk_init(&omap1_clk_functions);
671
672 /* By default all idlect1 clocks are allowed to idle */
673 arm_idlect1_mask = ~0;
674
675 for (clkp = onchip_clks; clkp < onchip_clks+ARRAY_SIZE(onchip_clks); clkp++) {
676 if (((*clkp)->flags &CLOCK_IN_OMAP1510) && cpu_is_omap1510()) {
677 clk_register(*clkp);
678 continue;
679 }
680
681 if (((*clkp)->flags &CLOCK_IN_OMAP16XX) && cpu_is_omap16xx()) {
682 clk_register(*clkp);
683 continue;
684 }
685
686 if (((*clkp)->flags &CLOCK_IN_OMAP730) && cpu_is_omap730()) {
687 clk_register(*clkp);
688 continue;
689 }
690 }
691
692 info = omap_get_config(OMAP_TAG_CLOCK, struct omap_clock_config);
693 if (info != NULL) {
694 if (!cpu_is_omap1510())
695 crystal_type = info->system_clock_type;
696 }
697
698#if defined(CONFIG_ARCH_OMAP730)
699 ck_ref.rate = 13000000;
700#elif defined(CONFIG_ARCH_OMAP16XX)
701 if (crystal_type == 2)
702 ck_ref.rate = 19200000;
703#endif
704
705 printk("Clocks: ARM_SYSST: 0x%04x DPLL_CTL: 0x%04x ARM_CKCTL: 0x%04x\n",
706 omap_readw(ARM_SYSST), omap_readw(DPLL_CTL),
707 omap_readw(ARM_CKCTL));
708
709 /* We want to be in syncronous scalable mode */
710 omap_writew(0x1000, ARM_SYSST);
711
712#ifdef CONFIG_OMAP_CLOCKS_SET_BY_BOOTLOADER
713 /* Use values set by bootloader. Determine PLL rate and recalculate
714 * dependent clocks as if kernel had changed PLL or divisors.
715 */
716 {
717 unsigned pll_ctl_val = omap_readw(DPLL_CTL);
718
719 ck_dpll1.rate = ck_ref.rate; /* Base xtal rate */
720 if (pll_ctl_val & 0x10) {
721 /* PLL enabled, apply multiplier and divisor */
722 if (pll_ctl_val & 0xf80)
723 ck_dpll1.rate *= (pll_ctl_val & 0xf80) >> 7;
724 ck_dpll1.rate /= ((pll_ctl_val & 0x60) >> 5) + 1;
725 } else {
726 /* PLL disabled, apply bypass divisor */
727 switch (pll_ctl_val & 0xc) {
728 case 0:
729 break;
730 case 0x4:
731 ck_dpll1.rate /= 2;
732 break;
733 default:
734 ck_dpll1.rate /= 4;
735 break;
736 }
737 }
738 }
739 propagate_rate(&ck_dpll1);
740#else
741 /* Find the highest supported frequency and enable it */
742 if (omap1_select_table_rate(&virtual_ck_mpu, ~0)) {
743 printk(KERN_ERR "System frequencies not set. Check your config.\n");
744 /* Guess sane values (60MHz) */
745 omap_writew(0x2290, DPLL_CTL);
746 omap_writew(0x1005, ARM_CKCTL);
747 ck_dpll1.rate = 60000000;
748 propagate_rate(&ck_dpll1);
749 }
750#endif
751 /* Cache rates for clocks connected to ck_ref (not dpll1) */
752 propagate_rate(&ck_ref);
753 printk(KERN_INFO "Clocking rate (xtal/DPLL1/MPU): "
754 "%ld.%01ld/%ld.%01ld/%ld.%01ld MHz\n",
755 ck_ref.rate / 1000000, (ck_ref.rate / 100000) % 10,
756 ck_dpll1.rate / 1000000, (ck_dpll1.rate / 100000) % 10,
757 arm_ck.rate / 1000000, (arm_ck.rate / 100000) % 10);
758
759#ifdef CONFIG_MACH_OMAP_PERSEUS2
760 /* Select slicer output as OMAP input clock */
761 omap_writew(omap_readw(OMAP730_PCC_UPLD_CTRL) & ~0x1, OMAP730_PCC_UPLD_CTRL);
762#endif
763
764 /* Turn off DSP and ARM_TIMXO. Make sure ARM_INTHCK is not divided */
765 omap_writew(omap_readw(ARM_CKCTL) & 0x0fff, ARM_CKCTL);
766
767 /* Put DSP/MPUI into reset until needed */
768 omap_writew(0, ARM_RSTCT1);
769 omap_writew(1, ARM_RSTCT2);
770 omap_writew(0x400, ARM_IDLECT1);
771
772 /*
773 * According to OMAP5910 Erratum SYS_DMA_1, bit DMACK_REQ (bit 8)
774 * of the ARM_IDLECT2 register must be set to zero. The power-on
775 * default value of this bit is one.
776 */
777 omap_writew(0x0000, ARM_IDLECT2); /* Turn LCD clock off also */
778
779 /*
780 * Only enable those clocks we will need, let the drivers
781 * enable other clocks as necessary
782 */
783 clk_use(&armper_ck.clk);
784 clk_use(&armxor_ck.clk);
785 clk_use(&armtim_ck.clk); /* This should be done by timer code */
786
787 if (cpu_is_omap1510())
788 clk_enable(&arm_gpio_ck);
789
790 return 0;
791}
792
diff --git a/arch/arm/mach-omap1/clock.h b/arch/arm/mach-omap1/clock.h
new file mode 100644
index 000000000000..f3bdfb50e01a
--- /dev/null
+++ b/arch/arm/mach-omap1/clock.h
@@ -0,0 +1,768 @@
1/*
2 * linux/arch/arm/mach-omap1/clock.h
3 *
4 * Copyright (C) 2004 - 2005 Nokia corporation
5 * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
6 * Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#ifndef __ARCH_ARM_MACH_OMAP1_CLOCK_H
14#define __ARCH_ARM_MACH_OMAP1_CLOCK_H
15
16static int omap1_clk_enable(struct clk * clk);
17static void omap1_clk_disable(struct clk * clk);
18static void omap1_ckctl_recalc(struct clk * clk);
19static void omap1_watchdog_recalc(struct clk * clk);
20static void omap1_ckctl_recalc_dsp_domain(struct clk * clk);
21static int omap1_clk_enable_dsp_domain(struct clk * clk);
22static int omap1_clk_set_rate_dsp_domain(struct clk * clk, unsigned long rate);
23static void omap1_clk_disable_dsp_domain(struct clk * clk);
24static int omap1_set_uart_rate(struct clk * clk, unsigned long rate);
25static void omap1_uart_recalc(struct clk * clk);
26static int omap1_clk_enable_uart_functional(struct clk * clk);
27static void omap1_clk_disable_uart_functional(struct clk * clk);
28static int omap1_set_ext_clk_rate(struct clk * clk, unsigned long rate);
29static long omap1_round_ext_clk_rate(struct clk * clk, unsigned long rate);
30static void omap1_init_ext_clk(struct clk * clk);
31static int omap1_select_table_rate(struct clk * clk, unsigned long rate);
32static long omap1_round_to_table_rate(struct clk * clk, unsigned long rate);
33static int omap1_clk_use(struct clk *clk);
34static void omap1_clk_unuse(struct clk *clk);
35
36struct mpu_rate {
37 unsigned long rate;
38 unsigned long xtal;
39 unsigned long pll_rate;
40 __u16 ckctl_val;
41 __u16 dpllctl_val;
42};
43
44struct uart_clk {
45 struct clk clk;
46 unsigned long sysc_addr;
47};
48
49/* Provide a method for preventing idling some ARM IDLECT clocks */
50struct arm_idlect1_clk {
51 struct clk clk;
52 unsigned long no_idle_count;
53 __u8 idlect_shift;
54};
55
56/* ARM_CKCTL bit shifts */
57#define CKCTL_PERDIV_OFFSET 0
58#define CKCTL_LCDDIV_OFFSET 2
59#define CKCTL_ARMDIV_OFFSET 4
60#define CKCTL_DSPDIV_OFFSET 6
61#define CKCTL_TCDIV_OFFSET 8
62#define CKCTL_DSPMMUDIV_OFFSET 10
63/*#define ARM_TIMXO 12*/
64#define EN_DSPCK 13
65/*#define ARM_INTHCK_SEL 14*/ /* Divide-by-2 for mpu inth_ck */
66/* DSP_CKCTL bit shifts */
67#define CKCTL_DSPPERDIV_OFFSET 0
68
69/* ARM_IDLECT2 bit shifts */
70#define EN_WDTCK 0
71#define EN_XORPCK 1
72#define EN_PERCK 2
73#define EN_LCDCK 3
74#define EN_LBCK 4 /* Not on 1610/1710 */
75/*#define EN_HSABCK 5*/
76#define EN_APICK 6
77#define EN_TIMCK 7
78#define DMACK_REQ 8
79#define EN_GPIOCK 9 /* Not on 1610/1710 */
80/*#define EN_LBFREECK 10*/
81#define EN_CKOUT_ARM 11
82
83/* ARM_IDLECT3 bit shifts */
84#define EN_OCPI_CK 0
85#define EN_TC1_CK 2
86#define EN_TC2_CK 4
87
88/* DSP_IDLECT2 bit shifts (0,1,2 are same as for ARM_IDLECT2) */
89#define EN_DSPTIMCK 5
90
91/* Various register defines for clock controls scattered around OMAP chip */
92#define USB_MCLK_EN_BIT 4 /* In ULPD_CLKC_CTRL */
93#define USB_HOST_HHC_UHOST_EN 9 /* In MOD_CONF_CTRL_0 */
94#define SWD_ULPD_PLL_CLK_REQ 1 /* In SWD_CLK_DIV_CTRL_SEL */
95#define COM_ULPD_PLL_CLK_REQ 1 /* In COM_CLK_DIV_CTRL_SEL */
96#define SWD_CLK_DIV_CTRL_SEL 0xfffe0874
97#define COM_CLK_DIV_CTRL_SEL 0xfffe0878
98#define SOFT_REQ_REG 0xfffe0834
99#define SOFT_REQ_REG2 0xfffe0880
100
101/*-------------------------------------------------------------------------
102 * Omap1 MPU rate table
103 *-------------------------------------------------------------------------*/
104static struct mpu_rate rate_table[] = {
105 /* MPU MHz, xtal MHz, dpll1 MHz, CKCTL, DPLL_CTL
106 * NOTE: Comment order here is different from bits in CKCTL value:
107 * armdiv, dspdiv, dspmmu, tcdiv, perdiv, lcddiv
108 */
109#if defined(CONFIG_OMAP_ARM_216MHZ)
110 { 216000000, 12000000, 216000000, 0x050d, 0x2910 }, /* 1/1/2/2/2/8 */
111#endif
112#if defined(CONFIG_OMAP_ARM_195MHZ)
113 { 195000000, 13000000, 195000000, 0x050e, 0x2790 }, /* 1/1/2/2/4/8 */
114#endif
115#if defined(CONFIG_OMAP_ARM_192MHZ)
116 { 192000000, 19200000, 192000000, 0x050f, 0x2510 }, /* 1/1/2/2/8/8 */
117 { 192000000, 12000000, 192000000, 0x050f, 0x2810 }, /* 1/1/2/2/8/8 */
118 { 96000000, 12000000, 192000000, 0x055f, 0x2810 }, /* 2/2/2/2/8/8 */
119 { 48000000, 12000000, 192000000, 0x0baf, 0x2810 }, /* 4/4/4/8/8/8 */
120 { 24000000, 12000000, 192000000, 0x0fff, 0x2810 }, /* 8/8/8/8/8/8 */
121#endif
122#if defined(CONFIG_OMAP_ARM_182MHZ)
123 { 182000000, 13000000, 182000000, 0x050e, 0x2710 }, /* 1/1/2/2/4/8 */
124#endif
125#if defined(CONFIG_OMAP_ARM_168MHZ)
126 { 168000000, 12000000, 168000000, 0x010f, 0x2710 }, /* 1/1/1/2/8/8 */
127#endif
128#if defined(CONFIG_OMAP_ARM_150MHZ)
129 { 150000000, 12000000, 150000000, 0x010a, 0x2cb0 }, /* 1/1/1/2/4/4 */
130#endif
131#if defined(CONFIG_OMAP_ARM_120MHZ)
132 { 120000000, 12000000, 120000000, 0x010a, 0x2510 }, /* 1/1/1/2/4/4 */
133#endif
134#if defined(CONFIG_OMAP_ARM_96MHZ)
135 { 96000000, 12000000, 96000000, 0x0005, 0x2410 }, /* 1/1/1/1/2/2 */
136#endif
137#if defined(CONFIG_OMAP_ARM_60MHZ)
138 { 60000000, 12000000, 60000000, 0x0005, 0x2290 }, /* 1/1/1/1/2/2 */
139#endif
140#if defined(CONFIG_OMAP_ARM_30MHZ)
141 { 30000000, 12000000, 60000000, 0x0555, 0x2290 }, /* 2/2/2/2/2/2 */
142#endif
143 { 0, 0, 0, 0, 0 },
144};
145
146/*-------------------------------------------------------------------------
147 * Omap1 clocks
148 *-------------------------------------------------------------------------*/
149
150static struct clk ck_ref = {
151 .name = "ck_ref",
152 .rate = 12000000,
153 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
154 ALWAYS_ENABLED,
155 .enable = &omap1_clk_enable,
156 .disable = &omap1_clk_disable,
157};
158
159static struct clk ck_dpll1 = {
160 .name = "ck_dpll1",
161 .parent = &ck_ref,
162 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
163 RATE_PROPAGATES | ALWAYS_ENABLED,
164 .enable = &omap1_clk_enable,
165 .disable = &omap1_clk_disable,
166};
167
168static struct arm_idlect1_clk ck_dpll1out = {
169 .clk = {
170 .name = "ck_dpll1out",
171 .parent = &ck_dpll1,
172 .flags = CLOCK_IN_OMAP16XX | CLOCK_IDLE_CONTROL,
173 .enable_reg = (void __iomem *)ARM_IDLECT2,
174 .enable_bit = EN_CKOUT_ARM,
175 .recalc = &followparent_recalc,
176 .enable = &omap1_clk_enable,
177 .disable = &omap1_clk_disable,
178 },
179 .idlect_shift = 12,
180};
181
182static struct clk arm_ck = {
183 .name = "arm_ck",
184 .parent = &ck_dpll1,
185 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
186 RATE_CKCTL | RATE_PROPAGATES | ALWAYS_ENABLED,
187 .rate_offset = CKCTL_ARMDIV_OFFSET,
188 .recalc = &omap1_ckctl_recalc,
189 .enable = &omap1_clk_enable,
190 .disable = &omap1_clk_disable,
191};
192
193static struct arm_idlect1_clk armper_ck = {
194 .clk = {
195 .name = "armper_ck",
196 .parent = &ck_dpll1,
197 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
198 RATE_CKCTL | CLOCK_IDLE_CONTROL,
199 .enable_reg = (void __iomem *)ARM_IDLECT2,
200 .enable_bit = EN_PERCK,
201 .rate_offset = CKCTL_PERDIV_OFFSET,
202 .recalc = &omap1_ckctl_recalc,
203 .enable = &omap1_clk_enable,
204 .disable = &omap1_clk_disable,
205 },
206 .idlect_shift = 2,
207};
208
209static struct clk arm_gpio_ck = {
210 .name = "arm_gpio_ck",
211 .parent = &ck_dpll1,
212 .flags = CLOCK_IN_OMAP1510,
213 .enable_reg = (void __iomem *)ARM_IDLECT2,
214 .enable_bit = EN_GPIOCK,
215 .recalc = &followparent_recalc,
216 .enable = &omap1_clk_enable,
217 .disable = &omap1_clk_disable,
218};
219
220static struct arm_idlect1_clk armxor_ck = {
221 .clk = {
222 .name = "armxor_ck",
223 .parent = &ck_ref,
224 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
225 CLOCK_IDLE_CONTROL,
226 .enable_reg = (void __iomem *)ARM_IDLECT2,
227 .enable_bit = EN_XORPCK,
228 .recalc = &followparent_recalc,
229 .enable = &omap1_clk_enable,
230 .disable = &omap1_clk_disable,
231 },
232 .idlect_shift = 1,
233};
234
235static struct arm_idlect1_clk armtim_ck = {
236 .clk = {
237 .name = "armtim_ck",
238 .parent = &ck_ref,
239 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
240 CLOCK_IDLE_CONTROL,
241 .enable_reg = (void __iomem *)ARM_IDLECT2,
242 .enable_bit = EN_TIMCK,
243 .recalc = &followparent_recalc,
244 .enable = &omap1_clk_enable,
245 .disable = &omap1_clk_disable,
246 },
247 .idlect_shift = 9,
248};
249
250static struct arm_idlect1_clk armwdt_ck = {
251 .clk = {
252 .name = "armwdt_ck",
253 .parent = &ck_ref,
254 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
255 CLOCK_IDLE_CONTROL,
256 .enable_reg = (void __iomem *)ARM_IDLECT2,
257 .enable_bit = EN_WDTCK,
258 .recalc = &omap1_watchdog_recalc,
259 .enable = &omap1_clk_enable,
260 .disable = &omap1_clk_disable,
261 },
262 .idlect_shift = 0,
263};
264
265static struct clk arminth_ck16xx = {
266 .name = "arminth_ck",
267 .parent = &arm_ck,
268 .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
269 .recalc = &followparent_recalc,
270 /* Note: On 16xx the frequency can be divided by 2 by programming
271 * ARM_CKCTL:ARM_INTHCK_SEL(14) to 1
272 *
273 * 1510 version is in TC clocks.
274 */
275 .enable = &omap1_clk_enable,
276 .disable = &omap1_clk_disable,
277};
278
279static struct clk dsp_ck = {
280 .name = "dsp_ck",
281 .parent = &ck_dpll1,
282 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
283 RATE_CKCTL,
284 .enable_reg = (void __iomem *)ARM_CKCTL,
285 .enable_bit = EN_DSPCK,
286 .rate_offset = CKCTL_DSPDIV_OFFSET,
287 .recalc = &omap1_ckctl_recalc,
288 .enable = &omap1_clk_enable,
289 .disable = &omap1_clk_disable,
290};
291
292static struct clk dspmmu_ck = {
293 .name = "dspmmu_ck",
294 .parent = &ck_dpll1,
295 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
296 RATE_CKCTL | ALWAYS_ENABLED,
297 .rate_offset = CKCTL_DSPMMUDIV_OFFSET,
298 .recalc = &omap1_ckctl_recalc,
299 .enable = &omap1_clk_enable,
300 .disable = &omap1_clk_disable,
301};
302
303static struct clk dspper_ck = {
304 .name = "dspper_ck",
305 .parent = &ck_dpll1,
306 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
307 RATE_CKCTL | VIRTUAL_IO_ADDRESS,
308 .enable_reg = (void __iomem *)DSP_IDLECT2,
309 .enable_bit = EN_PERCK,
310 .rate_offset = CKCTL_PERDIV_OFFSET,
311 .recalc = &omap1_ckctl_recalc_dsp_domain,
312 .set_rate = &omap1_clk_set_rate_dsp_domain,
313 .enable = &omap1_clk_enable_dsp_domain,
314 .disable = &omap1_clk_disable_dsp_domain,
315};
316
317static struct clk dspxor_ck = {
318 .name = "dspxor_ck",
319 .parent = &ck_ref,
320 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
321 VIRTUAL_IO_ADDRESS,
322 .enable_reg = (void __iomem *)DSP_IDLECT2,
323 .enable_bit = EN_XORPCK,
324 .recalc = &followparent_recalc,
325 .enable = &omap1_clk_enable_dsp_domain,
326 .disable = &omap1_clk_disable_dsp_domain,
327};
328
329static struct clk dsptim_ck = {
330 .name = "dsptim_ck",
331 .parent = &ck_ref,
332 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
333 VIRTUAL_IO_ADDRESS,
334 .enable_reg = (void __iomem *)DSP_IDLECT2,
335 .enable_bit = EN_DSPTIMCK,
336 .recalc = &followparent_recalc,
337 .enable = &omap1_clk_enable_dsp_domain,
338 .disable = &omap1_clk_disable_dsp_domain,
339};
340
341/* Tie ARM_IDLECT1:IDLIF_ARM to this logical clock structure */
342static struct arm_idlect1_clk tc_ck = {
343 .clk = {
344 .name = "tc_ck",
345 .parent = &ck_dpll1,
346 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
347 CLOCK_IN_OMAP730 | RATE_CKCTL |
348 RATE_PROPAGATES | ALWAYS_ENABLED |
349 CLOCK_IDLE_CONTROL,
350 .rate_offset = CKCTL_TCDIV_OFFSET,
351 .recalc = &omap1_ckctl_recalc,
352 .enable = &omap1_clk_enable,
353 .disable = &omap1_clk_disable,
354 },
355 .idlect_shift = 6,
356};
357
358static struct clk arminth_ck1510 = {
359 .name = "arminth_ck",
360 .parent = &tc_ck.clk,
361 .flags = CLOCK_IN_OMAP1510 | ALWAYS_ENABLED,
362 .recalc = &followparent_recalc,
363 /* Note: On 1510 the frequency follows TC_CK
364 *
365 * 16xx version is in MPU clocks.
366 */
367 .enable = &omap1_clk_enable,
368 .disable = &omap1_clk_disable,
369};
370
371static struct clk tipb_ck = {
372 /* No-idle controlled by "tc_ck" */
373 .name = "tibp_ck",
374 .parent = &tc_ck.clk,
375 .flags = CLOCK_IN_OMAP1510 | ALWAYS_ENABLED,
376 .recalc = &followparent_recalc,
377 .enable = &omap1_clk_enable,
378 .disable = &omap1_clk_disable,
379};
380
381static struct clk l3_ocpi_ck = {
382 /* No-idle controlled by "tc_ck" */
383 .name = "l3_ocpi_ck",
384 .parent = &tc_ck.clk,
385 .flags = CLOCK_IN_OMAP16XX,
386 .enable_reg = (void __iomem *)ARM_IDLECT3,
387 .enable_bit = EN_OCPI_CK,
388 .recalc = &followparent_recalc,
389 .enable = &omap1_clk_enable,
390 .disable = &omap1_clk_disable,
391};
392
393static struct clk tc1_ck = {
394 .name = "tc1_ck",
395 .parent = &tc_ck.clk,
396 .flags = CLOCK_IN_OMAP16XX,
397 .enable_reg = (void __iomem *)ARM_IDLECT3,
398 .enable_bit = EN_TC1_CK,
399 .recalc = &followparent_recalc,
400 .enable = &omap1_clk_enable,
401 .disable = &omap1_clk_disable,
402};
403
404static struct clk tc2_ck = {
405 .name = "tc2_ck",
406 .parent = &tc_ck.clk,
407 .flags = CLOCK_IN_OMAP16XX,
408 .enable_reg = (void __iomem *)ARM_IDLECT3,
409 .enable_bit = EN_TC2_CK,
410 .recalc = &followparent_recalc,
411 .enable = &omap1_clk_enable,
412 .disable = &omap1_clk_disable,
413};
414
415static struct clk dma_ck = {
416 /* No-idle controlled by "tc_ck" */
417 .name = "dma_ck",
418 .parent = &tc_ck.clk,
419 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
420 ALWAYS_ENABLED,
421 .recalc = &followparent_recalc,
422 .enable = &omap1_clk_enable,
423 .disable = &omap1_clk_disable,
424};
425
426static struct clk dma_lcdfree_ck = {
427 .name = "dma_lcdfree_ck",
428 .parent = &tc_ck.clk,
429 .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
430 .recalc = &followparent_recalc,
431 .enable = &omap1_clk_enable,
432 .disable = &omap1_clk_disable,
433};
434
435static struct arm_idlect1_clk api_ck = {
436 .clk = {
437 .name = "api_ck",
438 .parent = &tc_ck.clk,
439 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
440 CLOCK_IDLE_CONTROL,
441 .enable_reg = (void __iomem *)ARM_IDLECT2,
442 .enable_bit = EN_APICK,
443 .recalc = &followparent_recalc,
444 .enable = &omap1_clk_enable,
445 .disable = &omap1_clk_disable,
446 },
447 .idlect_shift = 8,
448};
449
450static struct arm_idlect1_clk lb_ck = {
451 .clk = {
452 .name = "lb_ck",
453 .parent = &tc_ck.clk,
454 .flags = CLOCK_IN_OMAP1510 | CLOCK_IDLE_CONTROL,
455 .enable_reg = (void __iomem *)ARM_IDLECT2,
456 .enable_bit = EN_LBCK,
457 .recalc = &followparent_recalc,
458 .enable = &omap1_clk_enable,
459 .disable = &omap1_clk_disable,
460 },
461 .idlect_shift = 4,
462};
463
464static struct clk rhea1_ck = {
465 .name = "rhea1_ck",
466 .parent = &tc_ck.clk,
467 .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
468 .recalc = &followparent_recalc,
469 .enable = &omap1_clk_enable,
470 .disable = &omap1_clk_disable,
471};
472
473static struct clk rhea2_ck = {
474 .name = "rhea2_ck",
475 .parent = &tc_ck.clk,
476 .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
477 .recalc = &followparent_recalc,
478 .enable = &omap1_clk_enable,
479 .disable = &omap1_clk_disable,
480};
481
482static struct clk lcd_ck_16xx = {
483 .name = "lcd_ck",
484 .parent = &ck_dpll1,
485 .flags = CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP730 | RATE_CKCTL,
486 .enable_reg = (void __iomem *)ARM_IDLECT2,
487 .enable_bit = EN_LCDCK,
488 .rate_offset = CKCTL_LCDDIV_OFFSET,
489 .recalc = &omap1_ckctl_recalc,
490 .enable = &omap1_clk_enable,
491 .disable = &omap1_clk_disable,
492};
493
494static struct arm_idlect1_clk lcd_ck_1510 = {
495 .clk = {
496 .name = "lcd_ck",
497 .parent = &ck_dpll1,
498 .flags = CLOCK_IN_OMAP1510 | RATE_CKCTL |
499 CLOCK_IDLE_CONTROL,
500 .enable_reg = (void __iomem *)ARM_IDLECT2,
501 .enable_bit = EN_LCDCK,
502 .rate_offset = CKCTL_LCDDIV_OFFSET,
503 .recalc = &omap1_ckctl_recalc,
504 .enable = &omap1_clk_enable,
505 .disable = &omap1_clk_disable,
506 },
507 .idlect_shift = 3,
508};
509
510static struct clk uart1_1510 = {
511 .name = "uart1_ck",
512 /* Direct from ULPD, no real parent */
513 .parent = &armper_ck.clk,
514 .rate = 12000000,
515 .flags = CLOCK_IN_OMAP1510 | ENABLE_REG_32BIT |
516 ALWAYS_ENABLED | CLOCK_NO_IDLE_PARENT,
517 .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
518 .enable_bit = 29, /* Chooses between 12MHz and 48MHz */
519 .set_rate = &omap1_set_uart_rate,
520 .recalc = &omap1_uart_recalc,
521 .enable = &omap1_clk_enable,
522 .disable = &omap1_clk_disable,
523};
524
525static struct uart_clk uart1_16xx = {
526 .clk = {
527 .name = "uart1_ck",
528 /* Direct from ULPD, no real parent */
529 .parent = &armper_ck.clk,
530 .rate = 48000000,
531 .flags = CLOCK_IN_OMAP16XX | RATE_FIXED |
532 ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
533 .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
534 .enable_bit = 29,
535 .enable = &omap1_clk_enable_uart_functional,
536 .disable = &omap1_clk_disable_uart_functional,
537 },
538 .sysc_addr = 0xfffb0054,
539};
540
541static struct clk uart2_ck = {
542 .name = "uart2_ck",
543 /* Direct from ULPD, no real parent */
544 .parent = &armper_ck.clk,
545 .rate = 12000000,
546 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
547 ENABLE_REG_32BIT | ALWAYS_ENABLED |
548 CLOCK_NO_IDLE_PARENT,
549 .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
550 .enable_bit = 30, /* Chooses between 12MHz and 48MHz */
551 .set_rate = &omap1_set_uart_rate,
552 .recalc = &omap1_uart_recalc,
553 .enable = &omap1_clk_enable,
554 .disable = &omap1_clk_disable,
555};
556
557static struct clk uart3_1510 = {
558 .name = "uart3_ck",
559 /* Direct from ULPD, no real parent */
560 .parent = &armper_ck.clk,
561 .rate = 12000000,
562 .flags = CLOCK_IN_OMAP1510 | ENABLE_REG_32BIT |
563 ALWAYS_ENABLED | CLOCK_NO_IDLE_PARENT,
564 .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
565 .enable_bit = 31, /* Chooses between 12MHz and 48MHz */
566 .set_rate = &omap1_set_uart_rate,
567 .recalc = &omap1_uart_recalc,
568 .enable = &omap1_clk_enable,
569 .disable = &omap1_clk_disable,
570};
571
572static struct uart_clk uart3_16xx = {
573 .clk = {
574 .name = "uart3_ck",
575 /* Direct from ULPD, no real parent */
576 .parent = &armper_ck.clk,
577 .rate = 48000000,
578 .flags = CLOCK_IN_OMAP16XX | RATE_FIXED |
579 ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
580 .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
581 .enable_bit = 31,
582 .enable = &omap1_clk_enable_uart_functional,
583 .disable = &omap1_clk_disable_uart_functional,
584 },
585 .sysc_addr = 0xfffb9854,
586};
587
588static struct clk usb_clko = { /* 6 MHz output on W4_USB_CLKO */
589 .name = "usb_clko",
590 /* Direct from ULPD, no parent */
591 .rate = 6000000,
592 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
593 RATE_FIXED | ENABLE_REG_32BIT,
594 .enable_reg = (void __iomem *)ULPD_CLOCK_CTRL,
595 .enable_bit = USB_MCLK_EN_BIT,
596 .enable = &omap1_clk_enable,
597 .disable = &omap1_clk_disable,
598};
599
600static struct clk usb_hhc_ck1510 = {
601 .name = "usb_hhc_ck",
602 /* Direct from ULPD, no parent */
603 .rate = 48000000, /* Actually 2 clocks, 12MHz and 48MHz */
604 .flags = CLOCK_IN_OMAP1510 |
605 RATE_FIXED | ENABLE_REG_32BIT,
606 .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
607 .enable_bit = USB_HOST_HHC_UHOST_EN,
608 .enable = &omap1_clk_enable,
609 .disable = &omap1_clk_disable,
610};
611
612static struct clk usb_hhc_ck16xx = {
613 .name = "usb_hhc_ck",
614 /* Direct from ULPD, no parent */
615 .rate = 48000000,
616 /* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */
617 .flags = CLOCK_IN_OMAP16XX |
618 RATE_FIXED | ENABLE_REG_32BIT,
619 .enable_reg = (void __iomem *)OTG_BASE + 0x08 /* OTG_SYSCON_2 */,
620 .enable_bit = 8 /* UHOST_EN */,
621 .enable = &omap1_clk_enable,
622 .disable = &omap1_clk_disable,
623};
624
625static struct clk usb_dc_ck = {
626 .name = "usb_dc_ck",
627 /* Direct from ULPD, no parent */
628 .rate = 48000000,
629 .flags = CLOCK_IN_OMAP16XX | RATE_FIXED,
630 .enable_reg = (void __iomem *)SOFT_REQ_REG,
631 .enable_bit = 4,
632 .enable = &omap1_clk_enable,
633 .disable = &omap1_clk_disable,
634};
635
636static struct clk mclk_1510 = {
637 .name = "mclk",
638 /* Direct from ULPD, no parent. May be enabled by ext hardware. */
639 .rate = 12000000,
640 .flags = CLOCK_IN_OMAP1510 | RATE_FIXED,
641 .enable = &omap1_clk_enable,
642 .disable = &omap1_clk_disable,
643};
644
645static struct clk mclk_16xx = {
646 .name = "mclk",
647 /* Direct from ULPD, no parent. May be enabled by ext hardware. */
648 .flags = CLOCK_IN_OMAP16XX,
649 .enable_reg = (void __iomem *)COM_CLK_DIV_CTRL_SEL,
650 .enable_bit = COM_ULPD_PLL_CLK_REQ,
651 .set_rate = &omap1_set_ext_clk_rate,
652 .round_rate = &omap1_round_ext_clk_rate,
653 .init = &omap1_init_ext_clk,
654 .enable = &omap1_clk_enable,
655 .disable = &omap1_clk_disable,
656};
657
658static struct clk bclk_1510 = {
659 .name = "bclk",
660 /* Direct from ULPD, no parent. May be enabled by ext hardware. */
661 .rate = 12000000,
662 .flags = CLOCK_IN_OMAP1510 | RATE_FIXED,
663 .enable = &omap1_clk_enable,
664 .disable = &omap1_clk_disable,
665};
666
667static struct clk bclk_16xx = {
668 .name = "bclk",
669 /* Direct from ULPD, no parent. May be enabled by ext hardware. */
670 .flags = CLOCK_IN_OMAP16XX,
671 .enable_reg = (void __iomem *)SWD_CLK_DIV_CTRL_SEL,
672 .enable_bit = SWD_ULPD_PLL_CLK_REQ,
673 .set_rate = &omap1_set_ext_clk_rate,
674 .round_rate = &omap1_round_ext_clk_rate,
675 .init = &omap1_init_ext_clk,
676 .enable = &omap1_clk_enable,
677 .disable = &omap1_clk_disable,
678};
679
680static struct clk mmc1_ck = {
681 .name = "mmc1_ck",
682 /* Functional clock is direct from ULPD, interface clock is ARMPER */
683 .parent = &armper_ck.clk,
684 .rate = 48000000,
685 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
686 RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
687 .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
688 .enable_bit = 23,
689 .enable = &omap1_clk_enable,
690 .disable = &omap1_clk_disable,
691};
692
693static struct clk mmc2_ck = {
694 .name = "mmc2_ck",
695 /* Functional clock is direct from ULPD, interface clock is ARMPER */
696 .parent = &armper_ck.clk,
697 .rate = 48000000,
698 .flags = CLOCK_IN_OMAP16XX |
699 RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
700 .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
701 .enable_bit = 20,
702 .enable = &omap1_clk_enable,
703 .disable = &omap1_clk_disable,
704};
705
706static struct clk virtual_ck_mpu = {
707 .name = "mpu",
708 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
709 VIRTUAL_CLOCK | ALWAYS_ENABLED,
710 .parent = &arm_ck, /* Is smarter alias for */
711 .recalc = &followparent_recalc,
712 .set_rate = &omap1_select_table_rate,
713 .round_rate = &omap1_round_to_table_rate,
714 .enable = &omap1_clk_enable,
715 .disable = &omap1_clk_disable,
716};
717
718static struct clk * onchip_clks[] = {
719 /* non-ULPD clocks */
720 &ck_ref,
721 &ck_dpll1,
722 /* CK_GEN1 clocks */
723 &ck_dpll1out.clk,
724 &arm_ck,
725 &armper_ck.clk,
726 &arm_gpio_ck,
727 &armxor_ck.clk,
728 &armtim_ck.clk,
729 &armwdt_ck.clk,
730 &arminth_ck1510, &arminth_ck16xx,
731 /* CK_GEN2 clocks */
732 &dsp_ck,
733 &dspmmu_ck,
734 &dspper_ck,
735 &dspxor_ck,
736 &dsptim_ck,
737 /* CK_GEN3 clocks */
738 &tc_ck.clk,
739 &tipb_ck,
740 &l3_ocpi_ck,
741 &tc1_ck,
742 &tc2_ck,
743 &dma_ck,
744 &dma_lcdfree_ck,
745 &api_ck.clk,
746 &lb_ck.clk,
747 &rhea1_ck,
748 &rhea2_ck,
749 &lcd_ck_16xx,
750 &lcd_ck_1510.clk,
751 /* ULPD clocks */
752 &uart1_1510,
753 &uart1_16xx.clk,
754 &uart2_ck,
755 &uart3_1510,
756 &uart3_16xx.clk,
757 &usb_clko,
758 &usb_hhc_ck1510, &usb_hhc_ck16xx,
759 &usb_dc_ck,
760 &mclk_1510, &mclk_16xx,
761 &bclk_1510, &bclk_16xx,
762 &mmc1_ck,
763 &mmc2_ck,
764 /* Virtual clocks */
765 &virtual_ck_mpu,
766};
767
768#endif
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index 3c5d901efeaa..ecbc47514adc 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -25,56 +25,7 @@
25#include <asm/arch/mux.h> 25#include <asm/arch/mux.h>
26#include <asm/arch/gpio.h> 26#include <asm/arch/gpio.h>
27 27
28 28extern void omap_nop_release(struct device *dev);
29static void omap_nop_release(struct device *dev)
30{
31 /* Nothing */
32}
33
34/*-------------------------------------------------------------------------*/
35
36#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
37
38#define OMAP_I2C_BASE 0xfffb3800
39
40static struct resource i2c_resources[] = {
41 {
42 .start = OMAP_I2C_BASE,
43 .end = OMAP_I2C_BASE + 0x3f,
44 .flags = IORESOURCE_MEM,
45 },
46 {
47 .start = INT_I2C,
48 .flags = IORESOURCE_IRQ,
49 },
50};
51
52/* DMA not used; works around erratum writing to non-empty i2c fifo */
53
54static struct platform_device omap_i2c_device = {
55 .name = "i2c_omap",
56 .id = -1,
57 .dev = {
58 .release = omap_nop_release,
59 },
60 .num_resources = ARRAY_SIZE(i2c_resources),
61 .resource = i2c_resources,
62};
63
64static void omap_init_i2c(void)
65{
66 /* FIXME define and use a boot tag, in case of boards that
67 * either don't wire up I2C, or chips that mux it differently...
68 * it can include clocking and address info, maybe more.
69 */
70 omap_cfg_reg(I2C_SCL);
71 omap_cfg_reg(I2C_SDA);
72
73 (void) platform_device_register(&omap_i2c_device);
74}
75#else
76static inline void omap_init_i2c(void) {}
77#endif
78 29
79/*-------------------------------------------------------------------------*/ 30/*-------------------------------------------------------------------------*/
80 31
@@ -110,137 +61,6 @@ static inline void omap_init_irda(void) {}
110 61
111/*-------------------------------------------------------------------------*/ 62/*-------------------------------------------------------------------------*/
112 63
113#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
114
115#define OMAP_MMC1_BASE 0xfffb7800
116#define OMAP_MMC2_BASE 0xfffb7c00 /* omap16xx only */
117
118static struct omap_mmc_conf mmc1_conf;
119
120static u64 mmc1_dmamask = 0xffffffff;
121
122static struct resource mmc1_resources[] = {
123 {
124 .start = IO_ADDRESS(OMAP_MMC1_BASE),
125 .end = IO_ADDRESS(OMAP_MMC1_BASE) + 0x7f,
126 .flags = IORESOURCE_MEM,
127 },
128 {
129 .start = INT_MMC,
130 .flags = IORESOURCE_IRQ,
131 },
132};
133
134static struct platform_device mmc_omap_device1 = {
135 .name = "mmci-omap",
136 .id = 1,
137 .dev = {
138 .release = omap_nop_release,
139 .dma_mask = &mmc1_dmamask,
140 .platform_data = &mmc1_conf,
141 },
142 .num_resources = ARRAY_SIZE(mmc1_resources),
143 .resource = mmc1_resources,
144};
145
146#ifdef CONFIG_ARCH_OMAP16XX
147
148static struct omap_mmc_conf mmc2_conf;
149
150static u64 mmc2_dmamask = 0xffffffff;
151
152static struct resource mmc2_resources[] = {
153 {
154 .start = IO_ADDRESS(OMAP_MMC2_BASE),
155 .end = IO_ADDRESS(OMAP_MMC2_BASE) + 0x7f,
156 .flags = IORESOURCE_MEM,
157 },
158 {
159 .start = INT_1610_MMC2,
160 .flags = IORESOURCE_IRQ,
161 },
162};
163
164static struct platform_device mmc_omap_device2 = {
165 .name = "mmci-omap",
166 .id = 2,
167 .dev = {
168 .release = omap_nop_release,
169 .dma_mask = &mmc2_dmamask,
170 .platform_data = &mmc2_conf,
171 },
172 .num_resources = ARRAY_SIZE(mmc2_resources),
173 .resource = mmc2_resources,
174};
175#endif
176
177static void __init omap_init_mmc(void)
178{
179 const struct omap_mmc_config *mmc_conf;
180 const struct omap_mmc_conf *mmc;
181
182 /* NOTE: assumes MMC was never (wrongly) enabled */
183 mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config);
184 if (!mmc_conf)
185 return;
186
187 /* block 1 is always available and has just one pinout option */
188 mmc = &mmc_conf->mmc[0];
189 if (mmc->enabled) {
190 omap_cfg_reg(MMC_CMD);
191 omap_cfg_reg(MMC_CLK);
192 omap_cfg_reg(MMC_DAT0);
193 if (cpu_is_omap1710()) {
194 omap_cfg_reg(M15_1710_MMC_CLKI);
195 omap_cfg_reg(P19_1710_MMC_CMDDIR);
196 omap_cfg_reg(P20_1710_MMC_DATDIR0);
197 }
198 if (mmc->wire4) {
199 omap_cfg_reg(MMC_DAT1);
200 /* NOTE: DAT2 can be on W10 (here) or M15 */
201 if (!mmc->nomux)
202 omap_cfg_reg(MMC_DAT2);
203 omap_cfg_reg(MMC_DAT3);
204 }
205 mmc1_conf = *mmc;
206 (void) platform_device_register(&mmc_omap_device1);
207 }
208
209#ifdef CONFIG_ARCH_OMAP16XX
210 /* block 2 is on newer chips, and has many pinout options */
211 mmc = &mmc_conf->mmc[1];
212 if (mmc->enabled) {
213 if (!mmc->nomux) {
214 omap_cfg_reg(Y8_1610_MMC2_CMD);
215 omap_cfg_reg(Y10_1610_MMC2_CLK);
216 omap_cfg_reg(R18_1610_MMC2_CLKIN);
217 omap_cfg_reg(W8_1610_MMC2_DAT0);
218 if (mmc->wire4) {
219 omap_cfg_reg(V8_1610_MMC2_DAT1);
220 omap_cfg_reg(W15_1610_MMC2_DAT2);
221 omap_cfg_reg(R10_1610_MMC2_DAT3);
222 }
223
224 /* These are needed for the level shifter */
225 omap_cfg_reg(V9_1610_MMC2_CMDDIR);
226 omap_cfg_reg(V5_1610_MMC2_DATDIR0);
227 omap_cfg_reg(W19_1610_MMC2_DATDIR1);
228 }
229
230 /* Feedback clock must be set on OMAP-1710 MMC2 */
231 if (cpu_is_omap1710())
232 omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24),
233 MOD_CONF_CTRL_1);
234 mmc2_conf = *mmc;
235 (void) platform_device_register(&mmc_omap_device2);
236 }
237#endif
238 return;
239}
240#else
241static inline void omap_init_mmc(void) {}
242#endif
243
244#if defined(CONFIG_OMAP_RTC) || defined(CONFIG_OMAP_RTC) 64#if defined(CONFIG_OMAP_RTC) || defined(CONFIG_OMAP_RTC)
245 65
246#define OMAP_RTC_BASE 0xfffb4800 66#define OMAP_RTC_BASE 0xfffb4800
@@ -279,38 +99,6 @@ static void omap_init_rtc(void)
279static inline void omap_init_rtc(void) {} 99static inline void omap_init_rtc(void) {}
280#endif 100#endif
281 101
282/*-------------------------------------------------------------------------*/
283
284#if defined(CONFIG_OMAP16XX_WATCHDOG) || defined(CONFIG_OMAP16XX_WATCHDOG_MODULE)
285
286#define OMAP_WDT_BASE 0xfffeb000
287
288static struct resource wdt_resources[] = {
289 {
290 .start = OMAP_WDT_BASE,
291 .end = OMAP_WDT_BASE + 0x4f,
292 .flags = IORESOURCE_MEM,
293 },
294};
295
296static struct platform_device omap_wdt_device = {
297 .name = "omap1610_wdt",
298 .id = -1,
299 .dev = {
300 .release = omap_nop_release,
301 },
302 .num_resources = ARRAY_SIZE(wdt_resources),
303 .resource = wdt_resources,
304};
305
306static void omap_init_wdt(void)
307{
308 (void) platform_device_register(&omap_wdt_device);
309}
310#else
311static inline void omap_init_wdt(void) {}
312#endif
313
314 102
315/*-------------------------------------------------------------------------*/ 103/*-------------------------------------------------------------------------*/
316 104
@@ -334,18 +122,15 @@ static inline void omap_init_wdt(void) {}
334 * may be handled by the boot loader, and drivers should expect it will 122 * may be handled by the boot loader, and drivers should expect it will
335 * normally have been done by the time they're probed. 123 * normally have been done by the time they're probed.
336 */ 124 */
337static int __init omap_init_devices(void) 125static int __init omap1_init_devices(void)
338{ 126{
339 /* please keep these calls, and their implementations above, 127 /* please keep these calls, and their implementations above,
340 * in alphabetical order so they're easier to sort through. 128 * in alphabetical order so they're easier to sort through.
341 */ 129 */
342 omap_init_i2c();
343 omap_init_irda(); 130 omap_init_irda();
344 omap_init_mmc();
345 omap_init_rtc(); 131 omap_init_rtc();
346 omap_init_wdt();
347 132
348 return 0; 133 return 0;
349} 134}
350arch_initcall(omap_init_devices); 135arch_initcall(omap1_init_devices);
351 136
diff --git a/arch/arm/mach-omap1/id.c b/arch/arm/mach-omap1/id.c
index 986c3b7e09bb..5c637c048368 100644
--- a/arch/arm/mach-omap1/id.c
+++ b/arch/arm/mach-omap1/id.c
@@ -18,6 +18,13 @@
18 18
19#include <asm/io.h> 19#include <asm/io.h>
20 20
21#define OMAP_DIE_ID_0 0xfffe1800
22#define OMAP_DIE_ID_1 0xfffe1804
23#define OMAP_PRODUCTION_ID_0 0xfffe2000
24#define OMAP_PRODUCTION_ID_1 0xfffe2004
25#define OMAP32_ID_0 0xfffed400
26#define OMAP32_ID_1 0xfffed404
27
21struct omap_id { 28struct omap_id {
22 u16 jtag_id; /* Used to determine OMAP type */ 29 u16 jtag_id; /* Used to determine OMAP type */
23 u8 die_rev; /* Processor revision */ 30 u8 die_rev; /* Processor revision */
@@ -27,6 +34,7 @@ struct omap_id {
27 34
28/* Register values to detect the OMAP version */ 35/* Register values to detect the OMAP version */
29static struct omap_id omap_ids[] __initdata = { 36static struct omap_id omap_ids[] __initdata = {
37 { .jtag_id = 0xb574, .die_rev = 0x2, .omap_id = 0x03310315, .type = 0x03100000},
30 { .jtag_id = 0x355f, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x07300100}, 38 { .jtag_id = 0x355f, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x07300100},
31 { .jtag_id = 0xb55f, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x07300300}, 39 { .jtag_id = 0xb55f, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x07300300},
32 { .jtag_id = 0xb470, .die_rev = 0x0, .omap_id = 0x03310100, .type = 0x15100000}, 40 { .jtag_id = 0xb470, .die_rev = 0x0, .omap_id = 0x03310100, .type = 0x15100000},
@@ -164,6 +172,7 @@ void __init omap_check_revision(void)
164 case 0x07: 172 case 0x07:
165 system_rev |= 0x07; 173 system_rev |= 0x07;
166 break; 174 break;
175 case 0x03:
167 case 0x15: 176 case 0x15:
168 system_rev |= 0x15; 177 system_rev |= 0x15;
169 break; 178 break;
diff --git a/arch/arm/mach-omap1/io.c b/arch/arm/mach-omap1/io.c
index 79fb86535ebc..a7a19f75b9e1 100644
--- a/arch/arm/mach-omap1/io.c
+++ b/arch/arm/mach-omap1/io.c
@@ -15,9 +15,10 @@
15 15
16#include <asm/mach/map.h> 16#include <asm/mach/map.h>
17#include <asm/io.h> 17#include <asm/io.h>
18#include <asm/arch/mux.h>
18#include <asm/arch/tc.h> 19#include <asm/arch/tc.h>
19 20
20extern int clk_init(void); 21extern int omap1_clk_init(void);
21extern void omap_check_revision(void); 22extern void omap_check_revision(void);
22extern void omap_sram_init(void); 23extern void omap_sram_init(void);
23 24
@@ -50,7 +51,7 @@ static struct map_desc omap730_io_desc[] __initdata = {
50}; 51};
51#endif 52#endif
52 53
53#ifdef CONFIG_ARCH_OMAP1510 54#ifdef CONFIG_ARCH_OMAP15XX
54static struct map_desc omap1510_io_desc[] __initdata = { 55static struct map_desc omap1510_io_desc[] __initdata = {
55 { 56 {
56 .virtual = OMAP1510_DSP_BASE, 57 .virtual = OMAP1510_DSP_BASE,
@@ -98,7 +99,7 @@ static void __init _omap_map_io(void)
98 iotable_init(omap730_io_desc, ARRAY_SIZE(omap730_io_desc)); 99 iotable_init(omap730_io_desc, ARRAY_SIZE(omap730_io_desc));
99 } 100 }
100#endif 101#endif
101#ifdef CONFIG_ARCH_OMAP1510 102#ifdef CONFIG_ARCH_OMAP15XX
102 if (cpu_is_omap1510()) { 103 if (cpu_is_omap1510()) {
103 iotable_init(omap1510_io_desc, ARRAY_SIZE(omap1510_io_desc)); 104 iotable_init(omap1510_io_desc, ARRAY_SIZE(omap1510_io_desc));
104 } 105 }
@@ -119,7 +120,7 @@ static void __init _omap_map_io(void)
119 120
120 /* Must init clocks early to assure that timer interrupt works 121 /* Must init clocks early to assure that timer interrupt works
121 */ 122 */
122 clk_init(); 123 omap1_clk_init();
123} 124}
124 125
125/* 126/*
@@ -127,7 +128,9 @@ static void __init _omap_map_io(void)
127 */ 128 */
128void __init omap_map_common_io(void) 129void __init omap_map_common_io(void)
129{ 130{
130 if (!initialized) 131 if (!initialized) {
131 _omap_map_io(); 132 _omap_map_io();
133 omap1_mux_init();
134 }
132} 135}
133 136
diff --git a/arch/arm/mach-omap1/irq.c b/arch/arm/mach-omap1/irq.c
index 192ce6055faa..ed65a7d2e941 100644
--- a/arch/arm/mach-omap1/irq.c
+++ b/arch/arm/mach-omap1/irq.c
@@ -47,6 +47,7 @@
47#include <asm/irq.h> 47#include <asm/irq.h>
48#include <asm/mach/irq.h> 48#include <asm/mach/irq.h>
49#include <asm/arch/gpio.h> 49#include <asm/arch/gpio.h>
50#include <asm/arch/cpu.h>
50 51
51#include <asm/io.h> 52#include <asm/io.h>
52 53
@@ -147,11 +148,15 @@ static struct omap_irq_bank omap730_irq_banks[] = {
147}; 148};
148#endif 149#endif
149 150
150#ifdef CONFIG_ARCH_OMAP1510 151#ifdef CONFIG_ARCH_OMAP15XX
151static struct omap_irq_bank omap1510_irq_banks[] = { 152static struct omap_irq_bank omap1510_irq_banks[] = {
152 { .base_reg = OMAP_IH1_BASE, .trigger_map = 0xb3febfff }, 153 { .base_reg = OMAP_IH1_BASE, .trigger_map = 0xb3febfff },
153 { .base_reg = OMAP_IH2_BASE, .trigger_map = 0xffbfffed }, 154 { .base_reg = OMAP_IH2_BASE, .trigger_map = 0xffbfffed },
154}; 155};
156static struct omap_irq_bank omap310_irq_banks[] = {
157 { .base_reg = OMAP_IH1_BASE, .trigger_map = 0xb3faefc3 },
158 { .base_reg = OMAP_IH2_BASE, .trigger_map = 0x65b3c061 },
159};
155#endif 160#endif
156 161
157#if defined(CONFIG_ARCH_OMAP16XX) 162#if defined(CONFIG_ARCH_OMAP16XX)
@@ -181,11 +186,15 @@ void __init omap_init_irq(void)
181 irq_bank_count = ARRAY_SIZE(omap730_irq_banks); 186 irq_bank_count = ARRAY_SIZE(omap730_irq_banks);
182 } 187 }
183#endif 188#endif
184#ifdef CONFIG_ARCH_OMAP1510 189#ifdef CONFIG_ARCH_OMAP15XX
185 if (cpu_is_omap1510()) { 190 if (cpu_is_omap1510()) {
186 irq_banks = omap1510_irq_banks; 191 irq_banks = omap1510_irq_banks;
187 irq_bank_count = ARRAY_SIZE(omap1510_irq_banks); 192 irq_bank_count = ARRAY_SIZE(omap1510_irq_banks);
188 } 193 }
194 if (cpu_is_omap310()) {
195 irq_banks = omap310_irq_banks;
196 irq_bank_count = ARRAY_SIZE(omap310_irq_banks);
197 }
189#endif 198#endif
190#if defined(CONFIG_ARCH_OMAP16XX) 199#if defined(CONFIG_ARCH_OMAP16XX)
191 if (cpu_is_omap16xx()) { 200 if (cpu_is_omap16xx()) {
@@ -226,9 +235,11 @@ void __init omap_init_irq(void)
226 } 235 }
227 236
228 /* Unmask level 2 handler */ 237 /* Unmask level 2 handler */
229 if (cpu_is_omap730()) { 238
239 if (cpu_is_omap730())
230 omap_unmask_irq(INT_730_IH2_IRQ); 240 omap_unmask_irq(INT_730_IH2_IRQ);
231 } else { 241 else if (cpu_is_omap1510())
232 omap_unmask_irq(INT_IH2_IRQ); 242 omap_unmask_irq(INT_1510_IH2_IRQ);
233 } 243 else if (cpu_is_omap16xx())
244 omap_unmask_irq(INT_1610_IH2_IRQ);
234} 245}
diff --git a/arch/arm/mach-omap1/leds-h2p2-debug.c b/arch/arm/mach-omap1/leds-h2p2-debug.c
index 399010c14036..650650815915 100644
--- a/arch/arm/mach-omap1/leds-h2p2-debug.c
+++ b/arch/arm/mach-omap1/leds-h2p2-debug.c
@@ -18,6 +18,7 @@
18#include <asm/hardware.h> 18#include <asm/hardware.h>
19#include <asm/leds.h> 19#include <asm/leds.h>
20#include <asm/system.h> 20#include <asm/system.h>
21#include <asm/mach-types.h>
21 22
22#include <asm/arch/fpga.h> 23#include <asm/arch/fpga.h>
23#include <asm/arch/gpio.h> 24#include <asm/arch/gpio.h>
@@ -63,14 +64,19 @@ void h2p2_dbg_leds_event(led_event_t evt)
63 case led_stop: 64 case led_stop:
64 case led_halted: 65 case led_halted:
65 /* all leds off during suspend or shutdown */ 66 /* all leds off during suspend or shutdown */
66 omap_set_gpio_dataout(GPIO_TIMER, 0); 67
67 omap_set_gpio_dataout(GPIO_IDLE, 0); 68 if (! machine_is_omap_perseus2()) {
69 omap_set_gpio_dataout(GPIO_TIMER, 0);
70 omap_set_gpio_dataout(GPIO_IDLE, 0);
71 }
72
68 __raw_writew(~0, &fpga->leds); 73 __raw_writew(~0, &fpga->leds);
69 led_state &= ~LED_STATE_ENABLED; 74 led_state &= ~LED_STATE_ENABLED;
70 if (evt == led_halted) { 75 if (evt == led_halted) {
71 iounmap(fpga); 76 iounmap(fpga);
72 fpga = NULL; 77 fpga = NULL;
73 } 78 }
79
74 goto done; 80 goto done;
75 81
76 case led_claim: 82 case led_claim:
@@ -85,18 +91,37 @@ void h2p2_dbg_leds_event(led_event_t evt)
85#ifdef CONFIG_LEDS_TIMER 91#ifdef CONFIG_LEDS_TIMER
86 case led_timer: 92 case led_timer:
87 led_state ^= LED_TIMER_ON; 93 led_state ^= LED_TIMER_ON;
88 omap_set_gpio_dataout(GPIO_TIMER, led_state & LED_TIMER_ON); 94
89 goto done; 95 if (machine_is_omap_perseus2())
96 hw_led_state ^= H2P2_DBG_FPGA_P2_LED_TIMER;
97 else {
98 omap_set_gpio_dataout(GPIO_TIMER, led_state & LED_TIMER_ON);
99 goto done;
100 }
101
102 break;
90#endif 103#endif
91 104
92#ifdef CONFIG_LEDS_CPU 105#ifdef CONFIG_LEDS_CPU
93 case led_idle_start: 106 case led_idle_start:
94 omap_set_gpio_dataout(GPIO_IDLE, 1); 107 if (machine_is_omap_perseus2())
95 goto done; 108 hw_led_state |= H2P2_DBG_FPGA_P2_LED_IDLE;
109 else {
110 omap_set_gpio_dataout(GPIO_IDLE, 1);
111 goto done;
112 }
113
114 break;
96 115
97 case led_idle_end: 116 case led_idle_end:
98 omap_set_gpio_dataout(GPIO_IDLE, 0); 117 if (machine_is_omap_perseus2())
99 goto done; 118 hw_led_state &= ~H2P2_DBG_FPGA_P2_LED_IDLE;
119 else {
120 omap_set_gpio_dataout(GPIO_IDLE, 0);
121 goto done;
122 }
123
124 break;
100#endif 125#endif
101 126
102 case led_green_on: 127 case led_green_on:
@@ -135,7 +160,7 @@ void h2p2_dbg_leds_event(led_event_t evt)
135 /* 160 /*
136 * Actually burn the LEDs 161 * Actually burn the LEDs
137 */ 162 */
138 if (led_state & LED_STATE_CLAIMED) 163 if (led_state & LED_STATE_ENABLED)
139 __raw_writew(~hw_led_state, &fpga->leds); 164 __raw_writew(~hw_led_state, &fpga->leds);
140 165
141done: 166done:
diff --git a/arch/arm/mach-omap1/leds.c b/arch/arm/mach-omap1/leds.c
index 5c6b1bb6e722..3f9dcac4fd41 100644
--- a/arch/arm/mach-omap1/leds.c
+++ b/arch/arm/mach-omap1/leds.c
@@ -33,7 +33,6 @@ omap_leds_init(void)
33 33
34 if (machine_is_omap_h2() 34 if (machine_is_omap_h2()
35 || machine_is_omap_h3() 35 || machine_is_omap_h3()
36 || machine_is_omap_perseus2()
37#ifdef CONFIG_OMAP_OSK_MISTRAL 36#ifdef CONFIG_OMAP_OSK_MISTRAL
38 || machine_is_omap_osk() 37 || machine_is_omap_osk()
39#endif 38#endif
diff --git a/arch/arm/mach-omap1/mux.c b/arch/arm/mach-omap1/mux.c
new file mode 100644
index 000000000000..d4b8d624e742
--- /dev/null
+++ b/arch/arm/mach-omap1/mux.c
@@ -0,0 +1,289 @@
1/*
2 * linux/arch/arm/mach-omap1/mux.c
3 *
4 * OMAP1 pin multiplexing configurations
5 *
6 * Copyright (C) 2003 - 2005 Nokia Corporation
7 *
8 * Written by Tony Lindgren <tony.lindgren@nokia.com>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 */
25#include <linux/config.h>
26#include <linux/module.h>
27#include <linux/init.h>
28#include <asm/system.h>
29#include <asm/io.h>
30#include <linux/spinlock.h>
31
32#include <asm/arch/mux.h>
33
34#ifdef CONFIG_OMAP_MUX
35
36#ifdef CONFIG_ARCH_OMAP730
37struct pin_config __initdata_or_module omap730_pins[] = {
38MUX_CFG_730("E2_730_KBR0", 12, 21, 0, 0, 20, 1, NA, 0, 0)
39MUX_CFG_730("J7_730_KBR1", 12, 25, 0, 0, 24, 1, NA, 0, 0)
40MUX_CFG_730("E1_730_KBR2", 12, 29, 0, 0, 28, 1, NA, 0, 0)
41MUX_CFG_730("F3_730_KBR3", 13, 1, 0, 0, 0, 1, NA, 0, 0)
42MUX_CFG_730("D2_730_KBR4", 13, 5, 0, 0, 4, 1, NA, 0, 0)
43MUX_CFG_730("C2_730_KBC0", 13, 9, 0, 0, 8, 1, NA, 0, 0)
44MUX_CFG_730("D3_730_KBC1", 13, 13, 0, 0, 12, 1, NA, 0, 0)
45MUX_CFG_730("E4_730_KBC2", 13, 17, 0, 0, 16, 1, NA, 0, 0)
46MUX_CFG_730("F4_730_KBC3", 13, 21, 0, 0, 20, 1, NA, 0, 0)
47MUX_CFG_730("E3_730_KBC4", 13, 25, 0, 0, 24, 1, NA, 0, 0)
48};
49#endif
50
51#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX)
52struct pin_config __initdata_or_module omap1xxx_pins[] = {
53/*
54 * description mux mode mux pull pull pull pu_pd pu dbg
55 * reg offset mode reg bit ena reg
56 */
57MUX_CFG("UART1_TX", 9, 21, 1, 2, 3, 0, NA, 0, 0)
58MUX_CFG("UART1_RTS", 9, 12, 1, 2, 0, 0, NA, 0, 0)
59
60/* UART2 (COM_UART_GATING), conflicts with USB2 */
61MUX_CFG("UART2_TX", C, 27, 1, 3, 3, 0, NA, 0, 0)
62MUX_CFG("UART2_RX", C, 18, 0, 3, 1, 1, NA, 0, 0)
63MUX_CFG("UART2_CTS", C, 21, 0, 3, 1, 1, NA, 0, 0)
64MUX_CFG("UART2_RTS", C, 24, 1, 3, 2, 0, NA, 0, 0)
65
66/* UART3 (GIGA_UART_GATING) */
67MUX_CFG("UART3_TX", 6, 0, 1, 0, 30, 0, NA, 0, 0)
68MUX_CFG("UART3_RX", 6, 3, 0, 0, 31, 1, NA, 0, 0)
69MUX_CFG("UART3_CTS", 5, 12, 2, 0, 24, 0, NA, 0, 0)
70MUX_CFG("UART3_RTS", 5, 15, 2, 0, 25, 0, NA, 0, 0)
71MUX_CFG("UART3_CLKREQ", 9, 27, 0, 2, 5, 0, NA, 0, 0)
72MUX_CFG("UART3_BCLK", A, 0, 0, 2, 6, 0, NA, 0, 0)
73MUX_CFG("Y15_1610_UART3_RTS", A, 0, 1, 2, 6, 0, NA, 0, 0)
74
75/* PWT & PWL, conflicts with UART3 */
76MUX_CFG("PWT", 6, 0, 2, 0, 30, 0, NA, 0, 0)
77MUX_CFG("PWL", 6, 3, 1, 0, 31, 1, NA, 0, 0)
78
79/* USB internal master generic */
80MUX_CFG("R18_USB_VBUS", 7, 9, 2, 1, 11, 0, NA, 0, 1)
81MUX_CFG("R18_1510_USB_GPIO0", 7, 9, 0, 1, 11, 1, NA, 0, 1)
82/* works around erratum: W4_USB_PUEN and W4_USB_PUDIS are switched! */
83MUX_CFG("W4_USB_PUEN", D, 3, 3, 3, 5, 1, NA, 0, 1)
84MUX_CFG("W4_USB_CLKO", D, 3, 1, 3, 5, 0, NA, 0, 1)
85MUX_CFG("W4_USB_HIGHZ", D, 3, 4, 3, 5, 0, 3, 0, 1)
86MUX_CFG("W4_GPIO58", D, 3, 7, 3, 5, 0, 3, 0, 1)
87
88/* USB1 master */
89MUX_CFG("USB1_SUSP", 8, 27, 2, 1, 27, 0, NA, 0, 1)
90MUX_CFG("USB1_SE0", 9, 0, 2, 1, 28, 0, NA, 0, 1)
91MUX_CFG("W13_1610_USB1_SE0", 9, 0, 4, 1, 28, 0, NA, 0, 1)
92MUX_CFG("USB1_TXEN", 9, 3, 2, 1, 29, 0, NA, 0, 1)
93MUX_CFG("USB1_TXD", 9, 24, 1, 2, 4, 0, NA, 0, 1)
94MUX_CFG("USB1_VP", A, 3, 1, 2, 7, 0, NA, 0, 1)
95MUX_CFG("USB1_VM", A, 6, 1, 2, 8, 0, NA, 0, 1)
96MUX_CFG("USB1_RCV", A, 9, 1, 2, 9, 0, NA, 0, 1)
97MUX_CFG("USB1_SPEED", A, 12, 2, 2, 10, 0, NA, 0, 1)
98MUX_CFG("R13_1610_USB1_SPEED", A, 12, 5, 2, 10, 0, NA, 0, 1)
99MUX_CFG("R13_1710_USB1_SEO", A, 12, 5, 2, 10, 0, NA, 0, 1)
100
101/* USB2 master */
102MUX_CFG("USB2_SUSP", B, 3, 1, 2, 17, 0, NA, 0, 1)
103MUX_CFG("USB2_VP", B, 6, 1, 2, 18, 0, NA, 0, 1)
104MUX_CFG("USB2_TXEN", B, 9, 1, 2, 19, 0, NA, 0, 1)
105MUX_CFG("USB2_VM", C, 18, 1, 3, 0, 0, NA, 0, 1)
106MUX_CFG("USB2_RCV", C, 21, 1, 3, 1, 0, NA, 0, 1)
107MUX_CFG("USB2_SE0", C, 24, 2, 3, 2, 0, NA, 0, 1)
108MUX_CFG("USB2_TXD", C, 27, 2, 3, 3, 0, NA, 0, 1)
109
110/* OMAP-1510 GPIO */
111MUX_CFG("R18_1510_GPIO0", 7, 9, 0, 1, 11, 1, 0, 0, 1)
112MUX_CFG("R19_1510_GPIO1", 7, 6, 0, 1, 10, 1, 0, 0, 1)
113MUX_CFG("M14_1510_GPIO2", 7, 3, 0, 1, 9, 1, 0, 0, 1)
114
115/* OMAP1610 GPIO */
116MUX_CFG("P18_1610_GPIO3", 7, 0, 0, 1, 8, 0, NA, 0, 1)
117MUX_CFG("Y15_1610_GPIO17", A, 0, 7, 2, 6, 0, NA, 0, 1)
118
119/* OMAP-1710 GPIO */
120MUX_CFG("R18_1710_GPIO0", 7, 9, 0, 1, 11, 1, 1, 1, 1)
121MUX_CFG("V2_1710_GPIO10", F, 27, 1, 4, 3, 1, 4, 1, 1)
122MUX_CFG("N21_1710_GPIO14", 6, 9, 0, 1, 1, 1, 1, 1, 1)
123MUX_CFG("W15_1710_GPIO40", 9, 27, 7, 2, 5, 1, 2, 1, 1)
124
125/* MPUIO */
126MUX_CFG("MPUIO2", 7, 18, 0, 1, 14, 1, NA, 0, 1)
127MUX_CFG("N15_1610_MPUIO2", 7, 18, 0, 1, 14, 1, 1, 0, 1)
128MUX_CFG("MPUIO4", 7, 15, 0, 1, 13, 1, NA, 0, 1)
129MUX_CFG("MPUIO5", 7, 12, 0, 1, 12, 1, NA, 0, 1)
130
131MUX_CFG("T20_1610_MPUIO5", 7, 12, 0, 1, 12, 0, 3, 0, 1)
132MUX_CFG("W11_1610_MPUIO6", 10, 15, 2, 3, 8, 0, 3, 0, 1)
133MUX_CFG("V10_1610_MPUIO7", A, 24, 2, 2, 14, 0, 2, 0, 1)
134MUX_CFG("W11_1610_MPUIO9", 10, 15, 1, 3, 8, 0, 3, 0, 1)
135MUX_CFG("V10_1610_MPUIO10", A, 24, 1, 2, 14, 0, 2, 0, 1)
136MUX_CFG("W10_1610_MPUIO11", A, 18, 2, 2, 11, 0, 2, 0, 1)
137MUX_CFG("E20_1610_MPUIO13", 3, 21, 1, 0, 7, 0, 0, 0, 1)
138MUX_CFG("U20_1610_MPUIO14", 9, 6, 6, 0, 30, 0, 0, 0, 1)
139MUX_CFG("E19_1610_MPUIO15", 3, 18, 1, 0, 6, 0, 0, 0, 1)
140
141/* MCBSP2 */
142MUX_CFG("MCBSP2_CLKR", C, 6, 0, 2, 27, 1, NA, 0, 1)
143MUX_CFG("MCBSP2_CLKX", C, 9, 0, 2, 29, 1, NA, 0, 1)
144MUX_CFG("MCBSP2_DR", C, 0, 0, 2, 26, 1, NA, 0, 1)
145MUX_CFG("MCBSP2_DX", C, 15, 0, 2, 31, 1, NA, 0, 1)
146MUX_CFG("MCBSP2_FSR", C, 12, 0, 2, 30, 1, NA, 0, 1)
147MUX_CFG("MCBSP2_FSX", C, 3, 0, 2, 27, 1, NA, 0, 1)
148
149/* MCBSP3 NOTE: Mode must 1 for clock */
150MUX_CFG("MCBSP3_CLKX", 9, 3, 1, 1, 29, 0, NA, 0, 1)
151
152/* Misc ballouts */
153MUX_CFG("BALLOUT_V8_ARMIO3", B, 18, 0, 2, 25, 1, NA, 0, 1)
154MUX_CFG("N20_HDQ", 6, 18, 1, 1, 4, 0, 1, 4, 0)
155
156/* OMAP-1610 MMC2 */
157MUX_CFG("W8_1610_MMC2_DAT0", B, 21, 6, 2, 23, 1, 2, 1, 1)
158MUX_CFG("V8_1610_MMC2_DAT1", B, 27, 6, 2, 25, 1, 2, 1, 1)
159MUX_CFG("W15_1610_MMC2_DAT2", 9, 12, 6, 2, 5, 1, 2, 1, 1)
160MUX_CFG("R10_1610_MMC2_DAT3", B, 18, 6, 2, 22, 1, 2, 1, 1)
161MUX_CFG("Y10_1610_MMC2_CLK", B, 3, 6, 2, 17, 0, 2, 0, 1)
162MUX_CFG("Y8_1610_MMC2_CMD", B, 24, 6, 2, 24, 1, 2, 1, 1)
163MUX_CFG("V9_1610_MMC2_CMDDIR", B, 12, 6, 2, 20, 0, 2, 1, 1)
164MUX_CFG("V5_1610_MMC2_DATDIR0", B, 15, 6, 2, 21, 0, 2, 1, 1)
165MUX_CFG("W19_1610_MMC2_DATDIR1", 8, 15, 6, 1, 23, 0, 1, 1, 1)
166MUX_CFG("R18_1610_MMC2_CLKIN", 7, 9, 6, 1, 11, 0, 1, 11, 1)
167
168/* OMAP-1610 External Trace Interface */
169MUX_CFG("M19_1610_ETM_PSTAT0", 5, 27, 1, 0, 29, 0, 0, 0, 1)
170MUX_CFG("L15_1610_ETM_PSTAT1", 5, 24, 1, 0, 28, 0, 0, 0, 1)
171MUX_CFG("L18_1610_ETM_PSTAT2", 5, 21, 1, 0, 27, 0, 0, 0, 1)
172MUX_CFG("L19_1610_ETM_D0", 5, 18, 1, 0, 26, 0, 0, 0, 1)
173MUX_CFG("J19_1610_ETM_D6", 5, 0, 1, 0, 20, 0, 0, 0, 1)
174MUX_CFG("J18_1610_ETM_D7", 5, 27, 1, 0, 19, 0, 0, 0, 1)
175
176/* OMAP16XX GPIO */
177MUX_CFG("P20_1610_GPIO4", 6, 27, 0, 1, 7, 0, 1, 1, 1)
178MUX_CFG("V9_1610_GPIO7", B, 12, 1, 2, 20, 0, 2, 1, 1)
179MUX_CFG("W8_1610_GPIO9", B, 21, 0, 2, 23, 0, 2, 1, 1)
180MUX_CFG("N20_1610_GPIO11", 6, 18, 0, 1, 4, 0, 1, 1, 1)
181MUX_CFG("N19_1610_GPIO13", 6, 12, 0, 1, 2, 0, 1, 1, 1)
182MUX_CFG("P10_1610_GPIO22", C, 0, 7, 2, 26, 0, 2, 1, 1)
183MUX_CFG("V5_1610_GPIO24", B, 15, 7, 2, 21, 0, 2, 1, 1)
184MUX_CFG("AA20_1610_GPIO_41", 9, 9, 7, 1, 31, 0, 1, 1, 1)
185MUX_CFG("W19_1610_GPIO48", 8, 15, 7, 1, 23, 1, 1, 0, 1)
186MUX_CFG("M7_1610_GPIO62", 10, 0, 0, 4, 24, 0, 4, 0, 1)
187MUX_CFG("V14_16XX_GPIO37", 9, 18, 7, 2, 2, 0, 2, 2, 0)
188MUX_CFG("R9_16XX_GPIO18", C, 18, 7, 3, 0, 0, 3, 0, 0)
189MUX_CFG("L14_16XX_GPIO49", 6, 3, 7, 0, 31, 0, 0, 31, 0)
190
191/* OMAP-1610 uWire */
192MUX_CFG("V19_1610_UWIRE_SCLK", 8, 6, 0, 1, 20, 0, 1, 1, 1)
193MUX_CFG("U18_1610_UWIRE_SDI", 8, 0, 0, 1, 18, 0, 1, 1, 1)
194MUX_CFG("W21_1610_UWIRE_SDO", 8, 3, 0, 1, 19, 0, 1, 1, 1)
195MUX_CFG("N14_1610_UWIRE_CS0", 8, 9, 1, 1, 21, 0, 1, 1, 1)
196MUX_CFG("P15_1610_UWIRE_CS3", 8, 12, 1, 1, 22, 0, 1, 1, 1)
197MUX_CFG("N15_1610_UWIRE_CS1", 7, 18, 2, 1, 14, 0, NA, 0, 1)
198
199/* OMAP-1610 Flash */
200MUX_CFG("L3_1610_FLASH_CS2B_OE",10, 6, 1, NA, 0, 0, NA, 0, 1)
201MUX_CFG("M8_1610_FLASH_CS2B_WE",10, 3, 1, NA, 0, 0, NA, 0, 1)
202
203/* First MMC interface, same on 1510, 1610 and 1710 */
204MUX_CFG("MMC_CMD", A, 27, 0, 2, 15, 1, 2, 1, 1)
205MUX_CFG("MMC_DAT1", A, 24, 0, 2, 14, 1, 2, 1, 1)
206MUX_CFG("MMC_DAT2", A, 18, 0, 2, 12, 1, 2, 1, 1)
207MUX_CFG("MMC_DAT0", B, 0, 0, 2, 16, 1, 2, 1, 1)
208MUX_CFG("MMC_CLK", A, 21, 0, NA, 0, 0, NA, 0, 1)
209MUX_CFG("MMC_DAT3", 10, 15, 0, 3, 8, 1, 3, 1, 1)
210MUX_CFG("M15_1710_MMC_CLKI", 6, 21, 2, 0, 0, 0, NA, 0, 1)
211MUX_CFG("P19_1710_MMC_CMDDIR", 6, 24, 6, 0, 0, 0, NA, 0, 1)
212MUX_CFG("P20_1710_MMC_DATDIR0", 6, 27, 5, 0, 0, 0, NA, 0, 1)
213
214/* OMAP-1610 USB0 alternate configuration */
215MUX_CFG("W9_USB0_TXEN", B, 9, 5, 2, 19, 0, 2, 0, 1)
216MUX_CFG("AA9_USB0_VP", B, 6, 5, 2, 18, 0, 2, 0, 1)
217MUX_CFG("Y5_USB0_RCV", C, 21, 5, 3, 1, 0, 1, 0, 1)
218MUX_CFG("R9_USB0_VM", C, 18, 5, 3, 0, 0, 3, 0, 1)
219MUX_CFG("V6_USB0_TXD", C, 27, 5, 3, 3, 0, 3, 0, 1)
220MUX_CFG("W5_USB0_SE0", C, 24, 5, 3, 2, 0, 3, 0, 1)
221MUX_CFG("V9_USB0_SPEED", B, 12, 5, 2, 20, 0, 2, 0, 1)
222MUX_CFG("Y10_USB0_SUSP", B, 3, 5, 2, 17, 0, 2, 0, 1)
223
224/* USB2 interface */
225MUX_CFG("W9_USB2_TXEN", B, 9, 1, NA, 0, 0, NA, 0, 1)
226MUX_CFG("AA9_USB2_VP", B, 6, 1, NA, 0, 0, NA, 0, 1)
227MUX_CFG("Y5_USB2_RCV", C, 21, 1, NA, 0, 0, NA, 0, 1)
228MUX_CFG("R9_USB2_VM", C, 18, 1, NA, 0, 0, NA, 0, 1)
229MUX_CFG("V6_USB2_TXD", C, 27, 2, NA, 0, 0, NA, 0, 1)
230MUX_CFG("W5_USB2_SE0", C, 24, 2, NA, 0, 0, NA, 0, 1)
231
232/* 16XX UART */
233MUX_CFG("R13_1610_UART1_TX", A, 12, 6, 2, 10, 0, 2, 10, 1)
234MUX_CFG("V14_16XX_UART1_RX", 9, 18, 0, 2, 2, 0, 2, 2, 1)
235MUX_CFG("R14_1610_UART1_CTS", 9, 15, 0, 2, 1, 0, 2, 1, 1)
236MUX_CFG("AA15_1610_UART1_RTS", 9, 12, 1, 2, 0, 0, 2, 0, 1)
237MUX_CFG("R9_16XX_UART2_RX", C, 18, 0, 3, 0, 0, 3, 0, 1)
238MUX_CFG("L14_16XX_UART3_RX", 6, 3, 0, 0, 31, 0, 0, 31, 1)
239
240/* I2C interface */
241MUX_CFG("I2C_SCL", 7, 24, 0, NA, 0, 0, NA, 0, 0)
242MUX_CFG("I2C_SDA", 7, 27, 0, NA, 0, 0, NA, 0, 0)
243
244/* Keypad */
245MUX_CFG("F18_1610_KBC0", 3, 15, 0, 0, 5, 1, 0, 0, 0)
246MUX_CFG("D20_1610_KBC1", 3, 12, 0, 0, 4, 1, 0, 0, 0)
247MUX_CFG("D19_1610_KBC2", 3, 9, 0, 0, 3, 1, 0, 0, 0)
248MUX_CFG("E18_1610_KBC3", 3, 6, 0, 0, 2, 1, 0, 0, 0)
249MUX_CFG("C21_1610_KBC4", 3, 3, 0, 0, 1, 1, 0, 0, 0)
250MUX_CFG("G18_1610_KBR0", 4, 0, 0, 0, 10, 1, 0, 1, 0)
251MUX_CFG("F19_1610_KBR1", 3, 27, 0, 0, 9, 1, 0, 1, 0)
252MUX_CFG("H14_1610_KBR2", 3, 24, 0, 0, 8, 1, 0, 1, 0)
253MUX_CFG("E20_1610_KBR3", 3, 21, 0, 0, 7, 1, 0, 1, 0)
254MUX_CFG("E19_1610_KBR4", 3, 18, 0, 0, 6, 1, 0, 1, 0)
255MUX_CFG("N19_1610_KBR5", 6, 12, 1, 1, 2, 1, 1, 1, 0)
256
257/* Power management */
258MUX_CFG("T20_1610_LOW_PWR", 7, 12, 1, NA, 0, 0, NA, 0, 0)
259
260/* MCLK Settings */
261MUX_CFG("V5_1710_MCLK_ON", B, 15, 0, NA, 0, 0, NA, 0, 0)
262MUX_CFG("V5_1710_MCLK_OFF", B, 15, 6, NA, 0, 0, NA, 0, 0)
263MUX_CFG("R10_1610_MCLK_ON", B, 18, 0, NA, 22, 0, NA, 1, 0)
264MUX_CFG("R10_1610_MCLK_OFF", B, 18, 6, 2, 22, 1, 2, 1, 1)
265
266/* CompactFlash controller, conflicts with MMC1 */
267MUX_CFG("P11_1610_CF_CD2", A, 27, 3, 2, 15, 1, 2, 1, 1)
268MUX_CFG("R11_1610_CF_IOIS16", B, 0, 3, 2, 16, 1, 2, 1, 1)
269MUX_CFG("V10_1610_CF_IREQ", A, 24, 3, 2, 14, 0, 2, 0, 1)
270MUX_CFG("W10_1610_CF_RESET", A, 18, 3, 2, 12, 1, 2, 1, 1)
271MUX_CFG("W11_1610_CF_CD1", 10, 15, 3, 3, 8, 1, 3, 1, 1)
272};
273#endif /* CONFIG_ARCH_OMAP15XX || CONFIG_ARCH_OMAP16XX */
274
275int __init omap1_mux_init(void)
276{
277
278#ifdef CONFIG_ARCH_OMAP730
279 omap_mux_register(omap730_pins, ARRAY_SIZE(omap730_pins));
280#endif
281
282#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX)
283 omap_mux_register(omap1xxx_pins, ARRAY_SIZE(omap1xxx_pins));
284#endif
285
286 return 0;
287}
288
289#endif
diff --git a/arch/arm/mach-omap1/serial.c b/arch/arm/mach-omap1/serial.c
index 40c4f7c40e73..6810cfb84462 100644
--- a/arch/arm/mach-omap1/serial.c
+++ b/arch/arm/mach-omap1/serial.c
@@ -109,9 +109,10 @@ static struct platform_device serial_device = {
109 * By default UART2 does not work on Innovator-1510 if you have 109 * By default UART2 does not work on Innovator-1510 if you have
110 * USB OHCI enabled. To use UART2, you must disable USB2 first. 110 * USB OHCI enabled. To use UART2, you must disable USB2 first.
111 */ 111 */
112void __init omap_serial_init(int ports[OMAP_MAX_NR_PORTS]) 112void __init omap_serial_init(void)
113{ 113{
114 int i; 114 int i;
115 const struct omap_uart_config *info;
115 116
116 if (cpu_is_omap730()) { 117 if (cpu_is_omap730()) {
117 serial_platform_data[0].regshift = 0; 118 serial_platform_data[0].regshift = 0;
@@ -126,10 +127,14 @@ void __init omap_serial_init(int ports[OMAP_MAX_NR_PORTS])
126 serial_platform_data[2].uartclk = OMAP1510_BASE_BAUD * 16; 127 serial_platform_data[2].uartclk = OMAP1510_BASE_BAUD * 16;
127 } 128 }
128 129
130 info = omap_get_config(OMAP_TAG_UART, struct omap_uart_config);
131 if (info == NULL)
132 return;
133
129 for (i = 0; i < OMAP_MAX_NR_PORTS; i++) { 134 for (i = 0; i < OMAP_MAX_NR_PORTS; i++) {
130 unsigned char reg; 135 unsigned char reg;
131 136
132 if (ports[i] == 0) { 137 if (!((1 << i) & info->enabled_uarts)) {
133 serial_platform_data[i].membase = NULL; 138 serial_platform_data[i].membase = NULL;
134 serial_platform_data[i].mapbase = 0; 139 serial_platform_data[i].mapbase = 0;
135 continue; 140 continue;
diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c
index 191a9b1ee9b7..cdbf4d7620c6 100644
--- a/arch/arm/mach-omap1/time.c
+++ b/arch/arm/mach-omap1/time.c
@@ -226,8 +226,8 @@ unsigned long long sched_clock(void)
226 226
227#ifdef CONFIG_OMAP_32K_TIMER 227#ifdef CONFIG_OMAP_32K_TIMER
228 228
229#ifdef CONFIG_ARCH_OMAP1510 229#ifdef CONFIG_ARCH_OMAP15XX
230#error OMAP 32KHz timer does not currently work on 1510! 230#error OMAP 32KHz timer does not currently work on 15XX!
231#endif 231#endif
232 232
233/* 233/*
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
new file mode 100644
index 000000000000..578880943cf2
--- /dev/null
+++ b/arch/arm/mach-omap2/Kconfig
@@ -0,0 +1,22 @@
1comment "OMAP Core Type"
2 depends on ARCH_OMAP2
3
4config ARCH_OMAP24XX
5 bool "OMAP24xx Based System"
6 depends on ARCH_OMAP2
7
8config ARCH_OMAP2420
9 bool "OMAP2420 support"
10 depends on ARCH_OMAP24XX
11
12comment "OMAP Board Type"
13 depends on ARCH_OMAP2
14
15config MACH_OMAP_GENERIC
16 bool "Generic OMAP board"
17 depends on ARCH_OMAP2 && ARCH_OMAP24XX
18
19config MACH_OMAP_H4
20 bool "OMAP 2420 H4 board"
21 depends on ARCH_OMAP2 && ARCH_OMAP24XX
22
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
new file mode 100644
index 000000000000..42041166435c
--- /dev/null
+++ b/arch/arm/mach-omap2/Makefile
@@ -0,0 +1,13 @@
1#
2# Makefile for the linux kernel.
3#
4
5# Common support
6obj-y := irq.o id.o io.o sram-fn.o clock.o mux.o devices.o serial.o
7
8obj-$(CONFIG_OMAP_MPU_TIMER) += timer-gp.o
9
10# Specific board support
11obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o
12obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o
13
diff --git a/arch/arm/mach-omap2/Makefile.boot b/arch/arm/mach-omap2/Makefile.boot
new file mode 100644
index 000000000000..565aff7f37a9
--- /dev/null
+++ b/arch/arm/mach-omap2/Makefile.boot
@@ -0,0 +1,3 @@
1 zreladdr-y := 0x80008000
2params_phys-y := 0x80000100
3initrd_phys-y := 0x80800000
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
new file mode 100644
index 000000000000..c602e7a3d93e
--- /dev/null
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -0,0 +1,80 @@
1/*
2 * linux/arch/arm/mach-omap/omap2/board-generic.c
3 *
4 * Copyright (C) 2005 Nokia Corporation
5 * Author: Paul Mundt <paul.mundt@nokia.com>
6 *
7 * Modified from mach-omap/omap1/board-generic.c
8 *
9 * Code for generic OMAP2 board. Should work on many OMAP2 systems where
10 * the bootloader passes the board-specific data to the kernel.
11 * Do not put any board specific code to this file; create a new machine
12 * type if you need custom low-level initializations.
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
17 */
18
19#include <linux/kernel.h>
20#include <linux/init.h>
21#include <linux/device.h>
22
23#include <asm/hardware.h>
24#include <asm/mach-types.h>
25#include <asm/mach/arch.h>
26#include <asm/mach/map.h>
27
28#include <asm/arch/gpio.h>
29#include <asm/arch/mux.h>
30#include <asm/arch/usb.h>
31#include <asm/arch/board.h>
32#include <asm/arch/common.h>
33
34static void __init omap_generic_init_irq(void)
35{
36 omap_init_irq();
37}
38
39static struct omap_uart_config generic_uart_config __initdata = {
40 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
41};
42
43static struct omap_mmc_config generic_mmc_config __initdata = {
44 .mmc [0] = {
45 .enabled = 0,
46 .wire4 = 0,
47 .wp_pin = -1,
48 .power_pin = -1,
49 .switch_pin = -1,
50 },
51};
52
53static struct omap_board_config_kernel generic_config[] = {
54 { OMAP_TAG_UART, &generic_uart_config },
55 { OMAP_TAG_MMC, &generic_mmc_config },
56};
57
58static void __init omap_generic_init(void)
59{
60 omap_board_config = generic_config;
61 omap_board_config_size = ARRAY_SIZE(generic_config);
62 omap_serial_init();
63}
64
65static void __init omap_generic_map_io(void)
66{
67 omap_map_common_io();
68}
69
70MACHINE_START(OMAP_GENERIC, "Generic OMAP24xx")
71 /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
72 .phys_ram = 0x80000000,
73 .phys_io = 0x48000000,
74 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
75 .boot_params = 0x80000100,
76 .map_io = omap_generic_map_io,
77 .init_irq = omap_generic_init_irq,
78 .init_machine = omap_generic_init,
79 .timer = &omap_timer,
80MACHINE_END
diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c
new file mode 100644
index 000000000000..f2554469a76a
--- /dev/null
+++ b/arch/arm/mach-omap2/board-h4.c
@@ -0,0 +1,197 @@
1/*
2 * linux/arch/arm/mach-omap/omap2/board-h4.c
3 *
4 * Copyright (C) 2005 Nokia Corporation
5 * Author: Paul Mundt <paul.mundt@nokia.com>
6 *
7 * Modified from mach-omap/omap1/board-generic.c
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#include <linux/kernel.h>
15#include <linux/init.h>
16#include <linux/platform_device.h>
17#include <linux/mtd/mtd.h>
18#include <linux/mtd/partitions.h>
19#include <linux/delay.h>
20
21#include <asm/hardware.h>
22#include <asm/mach-types.h>
23#include <asm/mach/arch.h>
24#include <asm/mach/map.h>
25#include <asm/mach/flash.h>
26
27#include <asm/arch/gpio.h>
28#include <asm/arch/mux.h>
29#include <asm/arch/usb.h>
30#include <asm/arch/board.h>
31#include <asm/arch/common.h>
32#include <asm/arch/prcm.h>
33
34#include <asm/io.h>
35#include <asm/delay.h>
36
37static struct mtd_partition h4_partitions[] = {
38 /* bootloader (U-Boot, etc) in first sector */
39 {
40 .name = "bootloader",
41 .offset = 0,
42 .size = SZ_128K,
43 .mask_flags = MTD_WRITEABLE, /* force read-only */
44 },
45 /* bootloader params in the next sector */
46 {
47 .name = "params",
48 .offset = MTDPART_OFS_APPEND,
49 .size = SZ_128K,
50 .mask_flags = 0,
51 },
52 /* kernel */
53 {
54 .name = "kernel",
55 .offset = MTDPART_OFS_APPEND,
56 .size = SZ_2M,
57 .mask_flags = 0
58 },
59 /* file system */
60 {
61 .name = "filesystem",
62 .offset = MTDPART_OFS_APPEND,
63 .size = MTDPART_SIZ_FULL,
64 .mask_flags = 0
65 }
66};
67
68static struct flash_platform_data h4_flash_data = {
69 .map_name = "cfi_probe",
70 .width = 2,
71 .parts = h4_partitions,
72 .nr_parts = ARRAY_SIZE(h4_partitions),
73};
74
75static struct resource h4_flash_resource = {
76 .start = H4_CS0_BASE,
77 .end = H4_CS0_BASE + SZ_64M - 1,
78 .flags = IORESOURCE_MEM,
79};
80
81static struct platform_device h4_flash_device = {
82 .name = "omapflash",
83 .id = 0,
84 .dev = {
85 .platform_data = &h4_flash_data,
86 },
87 .num_resources = 1,
88 .resource = &h4_flash_resource,
89};
90
91static struct resource h4_smc91x_resources[] = {
92 [0] = {
93 .start = OMAP24XX_ETHR_START, /* Physical */
94 .end = OMAP24XX_ETHR_START + 0xf,
95 .flags = IORESOURCE_MEM,
96 },
97 [1] = {
98 .start = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ),
99 .end = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ),
100 .flags = IORESOURCE_IRQ,
101 },
102};
103
104static struct platform_device h4_smc91x_device = {
105 .name = "smc91x",
106 .id = -1,
107 .num_resources = ARRAY_SIZE(h4_smc91x_resources),
108 .resource = h4_smc91x_resources,
109};
110
111static struct platform_device *h4_devices[] __initdata = {
112 &h4_smc91x_device,
113 &h4_flash_device,
114};
115
116static inline void __init h4_init_smc91x(void)
117{
118 /* Make sure CS1 timings are correct */
119 GPMC_CONFIG1_1 = 0x00011200;
120 GPMC_CONFIG2_1 = 0x001f1f01;
121 GPMC_CONFIG3_1 = 0x00080803;
122 GPMC_CONFIG4_1 = 0x1c091c09;
123 GPMC_CONFIG5_1 = 0x041f1f1f;
124 GPMC_CONFIG6_1 = 0x000004c4;
125 GPMC_CONFIG7_1 = 0x00000f40 | (0x08000000 >> 24);
126 udelay(100);
127
128 omap_cfg_reg(M15_24XX_GPIO92);
129 if (omap_request_gpio(OMAP24XX_ETHR_GPIO_IRQ) < 0) {
130 printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
131 OMAP24XX_ETHR_GPIO_IRQ);
132 return;
133 }
134 omap_set_gpio_direction(OMAP24XX_ETHR_GPIO_IRQ, 1);
135}
136
137static void __init omap_h4_init_irq(void)
138{
139 omap_init_irq();
140 omap_gpio_init();
141 h4_init_smc91x();
142}
143
144static struct omap_uart_config h4_uart_config __initdata = {
145 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
146};
147
148static struct omap_mmc_config h4_mmc_config __initdata = {
149 .mmc [0] = {
150 .enabled = 1,
151 .wire4 = 1,
152 .wp_pin = -1,
153 .power_pin = -1,
154 .switch_pin = -1,
155 },
156};
157
158static struct omap_lcd_config h4_lcd_config __initdata = {
159 .panel_name = "h4",
160 .ctrl_name = "internal",
161};
162
163static struct omap_board_config_kernel h4_config[] = {
164 { OMAP_TAG_UART, &h4_uart_config },
165 { OMAP_TAG_MMC, &h4_mmc_config },
166 { OMAP_TAG_LCD, &h4_lcd_config },
167};
168
169static void __init omap_h4_init(void)
170{
171 /*
172 * Make sure the serial ports are muxed on at this point.
173 * You have to mux them off in device drivers later on
174 * if not needed.
175 */
176 platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
177 omap_board_config = h4_config;
178 omap_board_config_size = ARRAY_SIZE(h4_config);
179 omap_serial_init();
180}
181
182static void __init omap_h4_map_io(void)
183{
184 omap_map_common_io();
185}
186
187MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
188 /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
189 .phys_ram = 0x80000000,
190 .phys_io = 0x48000000,
191 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
192 .boot_params = 0x80000100,
193 .map_io = omap_h4_map_io,
194 .init_irq = omap_h4_init_irq,
195 .init_machine = omap_h4_init,
196 .timer = &omap_timer,
197MACHINE_END
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
new file mode 100644
index 000000000000..85818d9f2635
--- /dev/null
+++ b/arch/arm/mach-omap2/clock.c
@@ -0,0 +1,1129 @@
1/*
2 * linux/arch/arm/mach-omap2/clock.c
3 *
4 * Copyright (C) 2005 Texas Instruments Inc.
5 * Richard Woodruff <r-woodruff2@ti.com>
6 * Created for OMAP2.
7 *
8 * Cleaned up and modified to use omap shared clock framework by
9 * Tony Lindgren <tony@atomide.com>
10 *
11 * Based on omap1 clock.c, Copyright (C) 2004 - 2005 Nokia corporation
12 * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
17 */
18#include <linux/config.h>
19#include <linux/module.h>
20#include <linux/kernel.h>
21#include <linux/device.h>
22#include <linux/list.h>
23#include <linux/errno.h>
24#include <linux/delay.h>
25
26#include <asm/io.h>
27
28#include <asm/hardware/clock.h>
29#include <asm/arch/clock.h>
30#include <asm/arch/sram.h>
31#include <asm/arch/prcm.h>
32
33#include "clock.h"
34
35//#define DOWN_VARIABLE_DPLL 1 /* Experimental */
36
37static struct prcm_config *curr_prcm_set;
38static struct memory_timings mem_timings;
39static u32 curr_perf_level = PRCM_FULL_SPEED;
40
41/*-------------------------------------------------------------------------
42 * Omap2 specific clock functions
43 *-------------------------------------------------------------------------*/
44
45/* Recalculate SYST_CLK */
46static void omap2_sys_clk_recalc(struct clk * clk)
47{
48 u32 div = PRCM_CLKSRC_CTRL;
49 div &= (1 << 7) | (1 << 6); /* Test if ext clk divided by 1 or 2 */
50 div >>= clk->rate_offset;
51 clk->rate = (clk->parent->rate / div);
52 propagate_rate(clk);
53}
54
55static u32 omap2_get_dpll_rate(struct clk * tclk)
56{
57 int dpll_clk, dpll_mult, dpll_div, amult;
58
59 dpll_mult = (CM_CLKSEL1_PLL >> 12) & 0x03ff; /* 10 bits */
60 dpll_div = (CM_CLKSEL1_PLL >> 8) & 0x0f; /* 4 bits */
61 dpll_clk = (tclk->parent->rate * dpll_mult) / (dpll_div + 1);
62 amult = CM_CLKSEL2_PLL & 0x3;
63 dpll_clk *= amult;
64
65 return dpll_clk;
66}
67
68static void omap2_followparent_recalc(struct clk *clk)
69{
70 followparent_recalc(clk);
71}
72
73static void omap2_propagate_rate(struct clk * clk)
74{
75 if (!(clk->flags & RATE_FIXED))
76 clk->rate = clk->parent->rate;
77
78 propagate_rate(clk);
79}
80
81/* Enable an APLL if off */
82static void omap2_clk_fixed_enable(struct clk *clk)
83{
84 u32 cval, i=0;
85
86 if (clk->enable_bit == 0xff) /* Parent will do it */
87 return;
88
89 cval = CM_CLKEN_PLL;
90
91 if ((cval & (0x3 << clk->enable_bit)) == (0x3 << clk->enable_bit))
92 return;
93
94 cval &= ~(0x3 << clk->enable_bit);
95 cval |= (0x3 << clk->enable_bit);
96 CM_CLKEN_PLL = cval;
97
98 if (clk == &apll96_ck)
99 cval = (1 << 8);
100 else if (clk == &apll54_ck)
101 cval = (1 << 6);
102
103 while (!CM_IDLEST_CKGEN & cval) { /* Wait for lock */
104 ++i;
105 udelay(1);
106 if (i == 100000)
107 break;
108 }
109}
110
111/* Enables clock without considering parent dependencies or use count
112 * REVISIT: Maybe change this to use clk->enable like on omap1?
113 */
114static int omap2_clk_enable(struct clk * clk)
115{
116 u32 regval32;
117
118 if (clk->flags & ALWAYS_ENABLED)
119 return 0;
120
121 if (unlikely(clk->enable_reg == 0)) {
122 printk(KERN_ERR "clock.c: Enable for %s without enable code\n",
123 clk->name);
124 return 0;
125 }
126
127 if (clk->enable_reg == (void __iomem *)&CM_CLKEN_PLL) {
128 omap2_clk_fixed_enable(clk);
129 return 0;
130 }
131
132 regval32 = __raw_readl(clk->enable_reg);
133 regval32 |= (1 << clk->enable_bit);
134 __raw_writel(regval32, clk->enable_reg);
135
136 return 0;
137}
138
139/* Stop APLL */
140static void omap2_clk_fixed_disable(struct clk *clk)
141{
142 u32 cval;
143
144 if(clk->enable_bit == 0xff) /* let parent off do it */
145 return;
146
147 cval = CM_CLKEN_PLL;
148 cval &= ~(0x3 << clk->enable_bit);
149 CM_CLKEN_PLL = cval;
150}
151
152/* Disables clock without considering parent dependencies or use count */
153static void omap2_clk_disable(struct clk *clk)
154{
155 u32 regval32;
156
157 if (clk->enable_reg == 0)
158 return;
159
160 if (clk->enable_reg == (void __iomem *)&CM_CLKEN_PLL) {
161 omap2_clk_fixed_disable(clk);
162 return;
163 }
164
165 regval32 = __raw_readl(clk->enable_reg);
166 regval32 &= ~(1 << clk->enable_bit);
167 __raw_writel(regval32, clk->enable_reg);
168}
169
170static int omap2_clk_use(struct clk *clk)
171{
172 int ret = 0;
173
174 if (clk->usecount++ == 0) {
175 if (likely((u32)clk->parent))
176 ret = omap2_clk_use(clk->parent);
177
178 if (unlikely(ret != 0)) {
179 clk->usecount--;
180 return ret;
181 }
182
183 ret = omap2_clk_enable(clk);
184
185 if (unlikely(ret != 0) && clk->parent) {
186 omap2_clk_unuse(clk->parent);
187 clk->usecount--;
188 }
189 }
190
191 return ret;
192}
193
194static void omap2_clk_unuse(struct clk *clk)
195{
196 if (clk->usecount > 0 && !(--clk->usecount)) {
197 omap2_clk_disable(clk);
198 if (likely((u32)clk->parent))
199 omap2_clk_unuse(clk->parent);
200 }
201}
202
203/*
204 * Uses the current prcm set to tell if a rate is valid.
205 * You can go slower, but not faster within a given rate set.
206 */
207static u32 omap2_dpll_round_rate(unsigned long target_rate)
208{
209 u32 high, low;
210
211 if ((CM_CLKSEL2_PLL & 0x3) == 1) { /* DPLL clockout */
212 high = curr_prcm_set->dpll_speed * 2;
213 low = curr_prcm_set->dpll_speed;
214 } else { /* DPLL clockout x 2 */
215 high = curr_prcm_set->dpll_speed;
216 low = curr_prcm_set->dpll_speed / 2;
217 }
218
219#ifdef DOWN_VARIABLE_DPLL
220 if (target_rate > high)
221 return high;
222 else
223 return target_rate;
224#else
225 if (target_rate > low)
226 return high;
227 else
228 return low;
229#endif
230
231}
232
233/*
234 * Used for clocks that are part of CLKSEL_xyz governed clocks.
235 * REVISIT: Maybe change to use clk->enable() functions like on omap1?
236 */
237static void omap2_clksel_recalc(struct clk * clk)
238{
239 u32 fixed = 0, div = 0;
240
241 if (clk == &dpll_ck) {
242 clk->rate = omap2_get_dpll_rate(clk);
243 fixed = 1;
244 div = 0;
245 }
246
247 if (clk == &iva1_mpu_int_ifck) {
248 div = 2;
249 fixed = 1;
250 }
251
252 if ((clk == &dss1_fck) && ((CM_CLKSEL1_CORE & (0x1f << 8)) == 0)) {
253 clk->rate = sys_ck.rate;
254 return;
255 }
256
257 if (!fixed) {
258 div = omap2_clksel_get_divisor(clk);
259 if (div == 0)
260 return;
261 }
262
263 if (div != 0) {
264 if (unlikely(clk->rate == clk->parent->rate / div))
265 return;
266 clk->rate = clk->parent->rate / div;
267 }
268
269 if (unlikely(clk->flags & RATE_PROPAGATES))
270 propagate_rate(clk);
271}
272
273/*
274 * Finds best divider value in an array based on the source and target
275 * rates. The divider array must be sorted with smallest divider first.
276 */
277static inline u32 omap2_divider_from_table(u32 size, u32 *div_array,
278 u32 src_rate, u32 tgt_rate)
279{
280 int i, test_rate;
281
282 if (div_array == NULL)
283 return ~1;
284
285 for (i=0; i < size; i++) {
286 test_rate = src_rate / *div_array;
287 if (test_rate <= tgt_rate)
288 return *div_array;
289 ++div_array;
290 }
291
292 return ~0; /* No acceptable divider */
293}
294
295/*
296 * Find divisor for the given clock and target rate.
297 *
298 * Note that this will not work for clocks which are part of CONFIG_PARTICIPANT,
299 * they are only settable as part of virtual_prcm set.
300 */
301static u32 omap2_clksel_round_rate(struct clk *tclk, u32 target_rate,
302 u32 *new_div)
303{
304 u32 gfx_div[] = {2, 3, 4};
305 u32 sysclkout_div[] = {1, 2, 4, 8, 16};
306 u32 dss1_div[] = {1, 2, 3, 4, 5, 6, 8, 9, 12, 16};
307 u32 vylnq_div[] = {1, 2, 3, 4, 6, 8, 9, 12, 16, 18};
308 u32 best_div = ~0, asize = 0;
309 u32 *div_array = NULL;
310
311 switch (tclk->flags & SRC_RATE_SEL_MASK) {
312 case CM_GFX_SEL1:
313 asize = 3;
314 div_array = gfx_div;
315 break;
316 case CM_PLL_SEL1:
317 return omap2_dpll_round_rate(target_rate);
318 case CM_SYSCLKOUT_SEL1:
319 asize = 5;
320 div_array = sysclkout_div;
321 break;
322 case CM_CORE_SEL1:
323 if(tclk == &dss1_fck){
324 if(tclk->parent == &core_ck){
325 asize = 10;
326 div_array = dss1_div;
327 } else {
328 *new_div = 0; /* fixed clk */
329 return(tclk->parent->rate);
330 }
331 } else if((tclk == &vlynq_fck) && cpu_is_omap2420()){
332 if(tclk->parent == &core_ck){
333 asize = 10;
334 div_array = vylnq_div;
335 } else {
336 *new_div = 0; /* fixed clk */
337 return(tclk->parent->rate);
338 }
339 }
340 break;
341 }
342
343 best_div = omap2_divider_from_table(asize, div_array,
344 tclk->parent->rate, target_rate);
345 if (best_div == ~0){
346 *new_div = 1;
347 return best_div; /* signal error */
348 }
349
350 *new_div = best_div;
351 return (tclk->parent->rate / best_div);
352}
353
354/* Given a clock and a rate apply a clock specific rounding function */
355static long omap2_clk_round_rate(struct clk *clk, unsigned long rate)
356{
357 u32 new_div = 0;
358 int valid_rate;
359
360 if (clk->flags & RATE_FIXED)
361 return clk->rate;
362
363 if (clk->flags & RATE_CKCTL) {
364 valid_rate = omap2_clksel_round_rate(clk, rate, &new_div);
365 return valid_rate;
366 }
367
368 if (clk->round_rate != 0)
369 return clk->round_rate(clk, rate);
370
371 return clk->rate;
372}
373
374/*
375 * Check the DLL lock state, and return tue if running in unlock mode.
376 * This is needed to compenste for the shifted DLL value in unlock mode.
377 */
378static u32 omap2_dll_force_needed(void)
379{
380 u32 dll_state = SDRC_DLLA_CTRL; /* dlla and dllb are a set */
381
382 if ((dll_state & (1 << 2)) == (1 << 2))
383 return 1;
384 else
385 return 0;
386}
387
388static void omap2_init_memory_params(u32 force_lock_to_unlock_mode)
389{
390 unsigned long dll_cnt;
391 u32 fast_dll = 0;
392
393 mem_timings.m_type = !((SDRC_MR_0 & 0x3) == 0x1); /* DDR = 1, SDR = 0 */
394
395 /* 2422 es2.05 and beyond has a single SIP DDR instead of 2 like others.
396 * In the case of 2422, its ok to use CS1 instead of CS0.
397 */
398
399#if 0 /* FIXME: Enable after 24xx cpu detection works */
400 ctype = get_cpu_type();
401 if (cpu_is_omap2422())
402 mem_timings.base_cs = 1;
403 else
404#endif
405 mem_timings.base_cs = 0;
406
407 if (mem_timings.m_type != M_DDR)
408 return;
409
410 /* With DDR we need to determine the low frequency DLL value */
411 if (((mem_timings.fast_dll_ctrl & (1 << 2)) == M_LOCK_CTRL))
412 mem_timings.dll_mode = M_UNLOCK;
413 else
414 mem_timings.dll_mode = M_LOCK;
415
416 if (mem_timings.base_cs == 0) {
417 fast_dll = SDRC_DLLA_CTRL;
418 dll_cnt = SDRC_DLLA_STATUS & 0xff00;
419 } else {
420 fast_dll = SDRC_DLLB_CTRL;
421 dll_cnt = SDRC_DLLB_STATUS & 0xff00;
422 }
423 if (force_lock_to_unlock_mode) {
424 fast_dll &= ~0xff00;
425 fast_dll |= dll_cnt; /* Current lock mode */
426 }
427 mem_timings.fast_dll_ctrl = fast_dll;
428
429 /* No disruptions, DDR will be offline & C-ABI not followed */
430 omap2_sram_ddr_init(&mem_timings.slow_dll_ctrl,
431 mem_timings.fast_dll_ctrl,
432 mem_timings.base_cs,
433 force_lock_to_unlock_mode);
434 mem_timings.slow_dll_ctrl &= 0xff00; /* Keep lock value */
435
436 /* Turn status into unlock ctrl */
437 mem_timings.slow_dll_ctrl |=
438 ((mem_timings.fast_dll_ctrl & 0xF) | (1 << 2));
439
440 /* 90 degree phase for anything below 133Mhz */
441 mem_timings.slow_dll_ctrl |= (1 << 1);
442}
443
444static u32 omap2_reprogram_sdrc(u32 level, u32 force)
445{
446 u32 prev = curr_perf_level, flags;
447
448 if ((curr_perf_level == level) && !force)
449 return prev;
450
451 if (level == PRCM_HALF_SPEED) {
452 local_irq_save(flags);
453 PRCM_VOLTSETUP = 0xffff;
454 omap2_sram_reprogram_sdrc(PRCM_HALF_SPEED,
455 mem_timings.slow_dll_ctrl,
456 mem_timings.m_type);
457 curr_perf_level = PRCM_HALF_SPEED;
458 local_irq_restore(flags);
459 }
460 if (level == PRCM_FULL_SPEED) {
461 local_irq_save(flags);
462 PRCM_VOLTSETUP = 0xffff;
463 omap2_sram_reprogram_sdrc(PRCM_FULL_SPEED,
464 mem_timings.fast_dll_ctrl,
465 mem_timings.m_type);
466 curr_perf_level = PRCM_FULL_SPEED;
467 local_irq_restore(flags);
468 }
469
470 return prev;
471}
472
473static int omap2_reprogram_dpll(struct clk * clk, unsigned long rate)
474{
475 u32 flags, cur_rate, low, mult, div, valid_rate, done_rate;
476 u32 bypass = 0;
477 struct prcm_config tmpset;
478 int ret = -EINVAL;
479
480 local_irq_save(flags);
481 cur_rate = omap2_get_dpll_rate(&dpll_ck);
482 mult = CM_CLKSEL2_PLL & 0x3;
483
484 if ((rate == (cur_rate / 2)) && (mult == 2)) {
485 omap2_reprogram_sdrc(PRCM_HALF_SPEED, 1);
486 } else if ((rate == (cur_rate * 2)) && (mult == 1)) {
487 omap2_reprogram_sdrc(PRCM_FULL_SPEED, 1);
488 } else if (rate != cur_rate) {
489 valid_rate = omap2_dpll_round_rate(rate);
490 if (valid_rate != rate)
491 goto dpll_exit;
492
493 if ((CM_CLKSEL2_PLL & 0x3) == 1)
494 low = curr_prcm_set->dpll_speed;
495 else
496 low = curr_prcm_set->dpll_speed / 2;
497
498 tmpset.cm_clksel1_pll = CM_CLKSEL1_PLL;
499 tmpset.cm_clksel1_pll &= ~(0x3FFF << 8);
500 div = ((curr_prcm_set->xtal_speed / 1000000) - 1);
501 tmpset.cm_clksel2_pll = CM_CLKSEL2_PLL;
502 tmpset.cm_clksel2_pll &= ~0x3;
503 if (rate > low) {
504 tmpset.cm_clksel2_pll |= 0x2;
505 mult = ((rate / 2) / 1000000);
506 done_rate = PRCM_FULL_SPEED;
507 } else {
508 tmpset.cm_clksel2_pll |= 0x1;
509 mult = (rate / 1000000);
510 done_rate = PRCM_HALF_SPEED;
511 }
512 tmpset.cm_clksel1_pll |= ((div << 8) | (mult << 12));
513
514 /* Worst case */
515 tmpset.base_sdrc_rfr = V24XX_SDRC_RFR_CTRL_BYPASS;
516
517 if (rate == curr_prcm_set->xtal_speed) /* If asking for 1-1 */
518 bypass = 1;
519
520 omap2_reprogram_sdrc(PRCM_FULL_SPEED, 1); /* For init_mem */
521
522 /* Force dll lock mode */
523 omap2_set_prcm(tmpset.cm_clksel1_pll, tmpset.base_sdrc_rfr,
524 bypass);
525
526 /* Errata: ret dll entry state */
527 omap2_init_memory_params(omap2_dll_force_needed());
528 omap2_reprogram_sdrc(done_rate, 0);
529 }
530 omap2_clksel_recalc(&dpll_ck);
531 ret = 0;
532
533dpll_exit:
534 local_irq_restore(flags);
535 return(ret);
536}
537
538/* Just return the MPU speed */
539static void omap2_mpu_recalc(struct clk * clk)
540{
541 clk->rate = curr_prcm_set->mpu_speed;
542}
543
544/*
545 * Look for a rate equal or less than the target rate given a configuration set.
546 *
547 * What's not entirely clear is "which" field represents the key field.
548 * Some might argue L3-DDR, others ARM, others IVA. This code is simple and
549 * just uses the ARM rates.
550 */
551static long omap2_round_to_table_rate(struct clk * clk, unsigned long rate)
552{
553 struct prcm_config * ptr;
554 long highest_rate;
555
556 if (clk != &virt_prcm_set)
557 return -EINVAL;
558
559 highest_rate = -EINVAL;
560
561 for (ptr = rate_table; ptr->mpu_speed; ptr++) {
562 if (ptr->xtal_speed != sys_ck.rate)
563 continue;
564
565 highest_rate = ptr->mpu_speed;
566
567 /* Can check only after xtal frequency check */
568 if (ptr->mpu_speed <= rate)
569 break;
570 }
571 return highest_rate;
572}
573
574/*
575 * omap2_convert_field_to_div() - turn field value into integer divider
576 */
577static u32 omap2_clksel_to_divisor(u32 div_sel, u32 field_val)
578{
579 u32 i;
580 u32 clkout_array[] = {1, 2, 4, 8, 16};
581
582 if ((div_sel & SRC_RATE_SEL_MASK) == CM_SYSCLKOUT_SEL1) {
583 for (i = 0; i < 5; i++) {
584 if (field_val == i)
585 return clkout_array[i];
586 }
587 return ~0;
588 } else
589 return field_val;
590}
591
592/*
593 * Returns the CLKSEL divider register value
594 * REVISIT: This should be cleaned up to work nicely with void __iomem *
595 */
596static u32 omap2_get_clksel(u32 *div_sel, u32 *field_mask,
597 struct clk *clk)
598{
599 int ret = ~0;
600 u32 reg_val, div_off;
601 u32 div_addr = 0;
602 u32 mask = ~0;
603
604 div_off = clk->rate_offset;
605
606 switch ((*div_sel & SRC_RATE_SEL_MASK)) {
607 case CM_MPU_SEL1:
608 div_addr = (u32)&CM_CLKSEL_MPU;
609 mask = 0x1f;
610 break;
611 case CM_DSP_SEL1:
612 div_addr = (u32)&CM_CLKSEL_DSP;
613 if (cpu_is_omap2420()) {
614 if ((div_off == 0) || (div_off == 8))
615 mask = 0x1f;
616 else if (div_off == 5)
617 mask = 0x3;
618 } else if (cpu_is_omap2430()) {
619 if (div_off == 0)
620 mask = 0x1f;
621 else if (div_off == 5)
622 mask = 0x3;
623 }
624 break;
625 case CM_GFX_SEL1:
626 div_addr = (u32)&CM_CLKSEL_GFX;
627 if (div_off == 0)
628 mask = 0x7;
629 break;
630 case CM_MODEM_SEL1:
631 div_addr = (u32)&CM_CLKSEL_MDM;
632 if (div_off == 0)
633 mask = 0xf;
634 break;
635 case CM_SYSCLKOUT_SEL1:
636 div_addr = (u32)&PRCM_CLKOUT_CTRL;
637 if ((div_off == 3) || (div_off = 11))
638 mask= 0x3;
639 break;
640 case CM_CORE_SEL1:
641 div_addr = (u32)&CM_CLKSEL1_CORE;
642 switch (div_off) {
643 case 0: /* l3 */
644 case 8: /* dss1 */
645 case 15: /* vylnc-2420 */
646 case 20: /* ssi */
647 mask = 0x1f; break;
648 case 5: /* l4 */
649 mask = 0x3; break;
650 case 13: /* dss2 */
651 mask = 0x1; break;
652 case 25: /* usb */
653 mask = 0xf; break;
654 }
655 }
656
657 *field_mask = mask;
658
659 if (unlikely(mask == ~0))
660 div_addr = 0;
661
662 *div_sel = div_addr;
663
664 if (unlikely(div_addr == 0))
665 return ret;
666
667 /* Isolate field */
668 reg_val = __raw_readl((void __iomem *)div_addr) & (mask << div_off);
669
670 /* Normalize back to divider value */
671 reg_val >>= div_off;
672
673 return reg_val;
674}
675
676/*
677 * Return divider to be applied to parent clock.
678 * Return 0 on error.
679 */
680static u32 omap2_clksel_get_divisor(struct clk *clk)
681{
682 int ret = 0;
683 u32 div, div_sel, div_off, field_mask, field_val;
684
685 /* isolate control register */
686 div_sel = (SRC_RATE_SEL_MASK & clk->flags);
687
688 div_off = clk->rate_offset;
689 field_val = omap2_get_clksel(&div_sel, &field_mask, clk);
690 if (div_sel == 0)
691 return ret;
692
693 div_sel = (SRC_RATE_SEL_MASK & clk->flags);
694 div = omap2_clksel_to_divisor(div_sel, field_val);
695
696 return div;
697}
698
699/* Set the clock rate for a clock source */
700static int omap2_clk_set_rate(struct clk *clk, unsigned long rate)
701
702{
703 int ret = -EINVAL;
704 void __iomem * reg;
705 u32 div_sel, div_off, field_mask, field_val, reg_val, validrate;
706 u32 new_div = 0;
707
708 if (!(clk->flags & CONFIG_PARTICIPANT) && (clk->flags & RATE_CKCTL)) {
709 if (clk == &dpll_ck)
710 return omap2_reprogram_dpll(clk, rate);
711
712 /* Isolate control register */
713 div_sel = (SRC_RATE_SEL_MASK & clk->flags);
714 div_off = clk->src_offset;
715
716 validrate = omap2_clksel_round_rate(clk, rate, &new_div);
717 if(validrate != rate)
718 return(ret);
719
720 field_val = omap2_get_clksel(&div_sel, &field_mask, clk);
721 if (div_sel == 0)
722 return ret;
723
724 if(clk->flags & CM_SYSCLKOUT_SEL1){
725 switch(new_div){
726 case 16: field_val = 4; break;
727 case 8: field_val = 3; break;
728 case 4: field_val = 2; break;
729 case 2: field_val = 1; break;
730 case 1: field_val = 0; break;
731 }
732 }
733 else
734 field_val = new_div;
735
736 reg = (void __iomem *)div_sel;
737
738 reg_val = __raw_readl(reg);
739 reg_val &= ~(field_mask << div_off);
740 reg_val |= (field_val << div_off);
741
742 __raw_writel(reg_val, reg);
743 clk->rate = clk->parent->rate / field_val;
744
745 if (clk->flags & DELAYED_APP)
746 __raw_writel(0x1, (void __iomem *)&PRCM_CLKCFG_CTRL);
747 ret = 0;
748 } else if (clk->set_rate != 0)
749 ret = clk->set_rate(clk, rate);
750
751 if (unlikely(ret == 0 && (clk->flags & RATE_PROPAGATES)))
752 propagate_rate(clk);
753
754 return ret;
755}
756
757/* Converts encoded control register address into a full address */
758static u32 omap2_get_src_field(u32 *type_to_addr, u32 reg_offset,
759 struct clk *src_clk, u32 *field_mask)
760{
761 u32 val = ~0, src_reg_addr = 0, mask = 0;
762
763 /* Find target control register.*/
764 switch ((*type_to_addr & SRC_RATE_SEL_MASK)) {
765 case CM_CORE_SEL1:
766 src_reg_addr = (u32)&CM_CLKSEL1_CORE;
767 if (reg_offset == 13) { /* DSS2_fclk */
768 mask = 0x1;
769 if (src_clk == &sys_ck)
770 val = 0;
771 if (src_clk == &func_48m_ck)
772 val = 1;
773 } else if (reg_offset == 8) { /* DSS1_fclk */
774 mask = 0x1f;
775 if (src_clk == &sys_ck)
776 val = 0;
777 else if (src_clk == &core_ck) /* divided clock */
778 val = 0x10; /* rate needs fixing */
779 } else if ((reg_offset == 15) && cpu_is_omap2420()){ /*vlnyq*/
780 mask = 0x1F;
781 if(src_clk == &func_96m_ck)
782 val = 0;
783 else if (src_clk == &core_ck)
784 val = 0x10;
785 }
786 break;
787 case CM_CORE_SEL2:
788 src_reg_addr = (u32)&CM_CLKSEL2_CORE;
789 mask = 0x3;
790 if (src_clk == &func_32k_ck)
791 val = 0x0;
792 if (src_clk == &sys_ck)
793 val = 0x1;
794 if (src_clk == &alt_ck)
795 val = 0x2;
796 break;
797 case CM_WKUP_SEL1:
798 src_reg_addr = (u32)&CM_CLKSEL2_CORE;
799 mask = 0x3;
800 if (src_clk == &func_32k_ck)
801 val = 0x0;
802 if (src_clk == &sys_ck)
803 val = 0x1;
804 if (src_clk == &alt_ck)
805 val = 0x2;
806 break;
807 case CM_PLL_SEL1:
808 src_reg_addr = (u32)&CM_CLKSEL1_PLL;
809 mask = 0x1;
810 if (reg_offset == 0x3) {
811 if (src_clk == &apll96_ck)
812 val = 0;
813 if (src_clk == &alt_ck)
814 val = 1;
815 }
816 else if (reg_offset == 0x5) {
817 if (src_clk == &apll54_ck)
818 val = 0;
819 if (src_clk == &alt_ck)
820 val = 1;
821 }
822 break;
823 case CM_PLL_SEL2:
824 src_reg_addr = (u32)&CM_CLKSEL2_PLL;
825 mask = 0x3;
826 if (src_clk == &func_32k_ck)
827 val = 0x0;
828 if (src_clk == &dpll_ck)
829 val = 0x2;
830 break;
831 case CM_SYSCLKOUT_SEL1:
832 src_reg_addr = (u32)&PRCM_CLKOUT_CTRL;
833 mask = 0x3;
834 if (src_clk == &dpll_ck)
835 val = 0;
836 if (src_clk == &sys_ck)
837 val = 1;
838 if (src_clk == &func_54m_ck)
839 val = 2;
840 if (src_clk == &func_96m_ck)
841 val = 3;
842 break;
843 }
844
845 if (val == ~0) /* Catch errors in offset */
846 *type_to_addr = 0;
847 else
848 *type_to_addr = src_reg_addr;
849 *field_mask = mask;
850
851 return val;
852}
853
854static int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
855{
856 void __iomem * reg;
857 u32 src_sel, src_off, field_val, field_mask, reg_val, rate;
858 int ret = -EINVAL;
859
860 if (unlikely(clk->flags & CONFIG_PARTICIPANT))
861 return ret;
862
863 if (clk->flags & SRC_SEL_MASK) { /* On-chip SEL collection */
864 src_sel = (SRC_RATE_SEL_MASK & clk->flags);
865 src_off = clk->src_offset;
866
867 if (src_sel == 0)
868 goto set_parent_error;
869
870 field_val = omap2_get_src_field(&src_sel, src_off, new_parent,
871 &field_mask);
872
873 reg = (void __iomem *)src_sel;
874
875 if (clk->usecount > 0)
876 omap2_clk_disable(clk);
877
878 /* Set new source value (previous dividers if any in effect) */
879 reg_val = __raw_readl(reg) & ~(field_mask << src_off);
880 reg_val |= (field_val << src_off);
881 __raw_writel(reg_val, reg);
882
883 if (clk->flags & DELAYED_APP)
884 __raw_writel(0x1, (void __iomem *)&PRCM_CLKCFG_CTRL);
885
886 if (clk->usecount > 0)
887 omap2_clk_enable(clk);
888
889 clk->parent = new_parent;
890
891 /* SRC_RATE_SEL_MASK clocks follow their parents rates.*/
892 if ((new_parent == &core_ck) && (clk == &dss1_fck))
893 clk->rate = new_parent->rate / 0x10;
894 else
895 clk->rate = new_parent->rate;
896
897 if (unlikely(clk->flags & RATE_PROPAGATES))
898 propagate_rate(clk);
899
900 return 0;
901 } else {
902 clk->parent = new_parent;
903 rate = new_parent->rate;
904 omap2_clk_set_rate(clk, rate);
905 ret = 0;
906 }
907
908 set_parent_error:
909 return ret;
910}
911
912/* Sets basic clocks based on the specified rate */
913static int omap2_select_table_rate(struct clk * clk, unsigned long rate)
914{
915 u32 flags, cur_rate, done_rate, bypass = 0;
916 u8 cpu_mask = 0;
917 struct prcm_config *prcm;
918 unsigned long found_speed = 0;
919
920 if (clk != &virt_prcm_set)
921 return -EINVAL;
922
923 /* FIXME: Change cpu_is_omap2420() to cpu_is_omap242x() */
924 if (cpu_is_omap2420())
925 cpu_mask = RATE_IN_242X;
926 else if (cpu_is_omap2430())
927 cpu_mask = RATE_IN_243X;
928
929 for (prcm = rate_table; prcm->mpu_speed; prcm++) {
930 if (!(prcm->flags & cpu_mask))
931 continue;
932
933 if (prcm->xtal_speed != sys_ck.rate)
934 continue;
935
936 if (prcm->mpu_speed <= rate) {
937 found_speed = prcm->mpu_speed;
938 break;
939 }
940 }
941
942 if (!found_speed) {
943 printk(KERN_INFO "Could not set MPU rate to %luMHz\n",
944 rate / 1000000);
945 return -EINVAL;
946 }
947
948 curr_prcm_set = prcm;
949 cur_rate = omap2_get_dpll_rate(&dpll_ck);
950
951 if (prcm->dpll_speed == cur_rate / 2) {
952 omap2_reprogram_sdrc(PRCM_HALF_SPEED, 1);
953 } else if (prcm->dpll_speed == cur_rate * 2) {
954 omap2_reprogram_sdrc(PRCM_FULL_SPEED, 1);
955 } else if (prcm->dpll_speed != cur_rate) {
956 local_irq_save(flags);
957
958 if (prcm->dpll_speed == prcm->xtal_speed)
959 bypass = 1;
960
961 if ((prcm->cm_clksel2_pll & 0x3) == 2)
962 done_rate = PRCM_FULL_SPEED;
963 else
964 done_rate = PRCM_HALF_SPEED;
965
966 /* MPU divider */
967 CM_CLKSEL_MPU = prcm->cm_clksel_mpu;
968
969 /* dsp + iva1 div(2420), iva2.1(2430) */
970 CM_CLKSEL_DSP = prcm->cm_clksel_dsp;
971
972 CM_CLKSEL_GFX = prcm->cm_clksel_gfx;
973
974 /* Major subsystem dividers */
975 CM_CLKSEL1_CORE = prcm->cm_clksel1_core;
976 if (cpu_is_omap2430())
977 CM_CLKSEL_MDM = prcm->cm_clksel_mdm;
978
979 /* x2 to enter init_mem */
980 omap2_reprogram_sdrc(PRCM_FULL_SPEED, 1);
981
982 omap2_set_prcm(prcm->cm_clksel1_pll, prcm->base_sdrc_rfr,
983 bypass);
984
985 omap2_init_memory_params(omap2_dll_force_needed());
986 omap2_reprogram_sdrc(done_rate, 0);
987
988 local_irq_restore(flags);
989 }
990 omap2_clksel_recalc(&dpll_ck);
991
992 return 0;
993}
994
995/*-------------------------------------------------------------------------
996 * Omap2 clock reset and init functions
997 *-------------------------------------------------------------------------*/
998
999static struct clk_functions omap2_clk_functions = {
1000 .clk_enable = omap2_clk_enable,
1001 .clk_disable = omap2_clk_disable,
1002 .clk_use = omap2_clk_use,
1003 .clk_unuse = omap2_clk_unuse,
1004 .clk_round_rate = omap2_clk_round_rate,
1005 .clk_set_rate = omap2_clk_set_rate,
1006 .clk_set_parent = omap2_clk_set_parent,
1007};
1008
1009static void __init omap2_get_crystal_rate(struct clk *osc, struct clk *sys)
1010{
1011 u32 div, aplls, sclk = 13000000;
1012
1013 aplls = CM_CLKSEL1_PLL;
1014 aplls &= ((1 << 23) | (1 << 24) | (1 << 25));
1015 aplls >>= 23; /* Isolate field, 0,2,3 */
1016
1017 if (aplls == 0)
1018 sclk = 19200000;
1019 else if (aplls == 2)
1020 sclk = 13000000;
1021 else if (aplls == 3)
1022 sclk = 12000000;
1023
1024 div = PRCM_CLKSRC_CTRL;
1025 div &= ((1 << 7) | (1 << 6));
1026 div >>= sys->rate_offset;
1027
1028 osc->rate = sclk * div;
1029 sys->rate = sclk;
1030}
1031
1032#ifdef CONFIG_OMAP_RESET_CLOCKS
1033static void __init omap2_disable_unused_clocks(void)
1034{
1035 struct clk *ck;
1036 u32 regval32;
1037
1038 list_for_each_entry(ck, &clocks, node) {
1039 if (ck->usecount > 0 || (ck->flags & ALWAYS_ENABLED) ||
1040 ck->enable_reg == 0)
1041 continue;
1042
1043 regval32 = __raw_readl(ck->enable_reg);
1044 if ((regval32 & (1 << ck->enable_bit)) == 0)
1045 continue;
1046
1047 printk(KERN_INFO "Disabling unused clock \"%s\"\n", ck->name);
1048 omap2_clk_disable(ck);
1049 }
1050}
1051late_initcall(omap2_disable_unused_clocks);
1052#endif
1053
1054/*
1055 * Switch the MPU rate if specified on cmdline.
1056 * We cannot do this early until cmdline is parsed.
1057 */
1058static int __init omap2_clk_arch_init(void)
1059{
1060 if (!mpurate)
1061 return -EINVAL;
1062
1063 if (omap2_select_table_rate(&virt_prcm_set, mpurate))
1064 printk(KERN_ERR "Could not find matching MPU rate\n");
1065
1066 propagate_rate(&osc_ck); /* update main root fast */
1067 propagate_rate(&func_32k_ck); /* update main root slow */
1068
1069 printk(KERN_INFO "Switched to new clocking rate (Crystal/DPLL/MPU): "
1070 "%ld.%01ld/%ld/%ld MHz\n",
1071 (sys_ck.rate / 1000000), (sys_ck.rate / 100000) % 10,
1072 (dpll_ck.rate / 1000000), (mpu_ck.rate / 1000000)) ;
1073
1074 return 0;
1075}
1076arch_initcall(omap2_clk_arch_init);
1077
1078int __init omap2_clk_init(void)
1079{
1080 struct prcm_config *prcm;
1081 struct clk ** clkp;
1082 u32 clkrate;
1083
1084 clk_init(&omap2_clk_functions);
1085 omap2_get_crystal_rate(&osc_ck, &sys_ck);
1086
1087 for (clkp = onchip_clks; clkp < onchip_clks + ARRAY_SIZE(onchip_clks);
1088 clkp++) {
1089
1090 if ((*clkp)->flags & CLOCK_IN_OMAP242X && cpu_is_omap2420()) {
1091 clk_register(*clkp);
1092 continue;
1093 }
1094
1095 if ((*clkp)->flags & CLOCK_IN_OMAP243X && cpu_is_omap2430()) {
1096 clk_register(*clkp);
1097 continue;
1098 }
1099 }
1100
1101 /* Check the MPU rate set by bootloader */
1102 clkrate = omap2_get_dpll_rate(&dpll_ck);
1103 for (prcm = rate_table; prcm->mpu_speed; prcm++) {
1104 if (prcm->xtal_speed != sys_ck.rate)
1105 continue;
1106 if (prcm->dpll_speed <= clkrate)
1107 break;
1108 }
1109 curr_prcm_set = prcm;
1110
1111 propagate_rate(&osc_ck); /* update main root fast */
1112 propagate_rate(&func_32k_ck); /* update main root slow */
1113
1114 printk(KERN_INFO "Clocking rate (Crystal/DPLL/MPU): "
1115 "%ld.%01ld/%ld/%ld MHz\n",
1116 (sys_ck.rate / 1000000), (sys_ck.rate / 100000) % 10,
1117 (dpll_ck.rate / 1000000), (mpu_ck.rate / 1000000)) ;
1118
1119 /*
1120 * Only enable those clocks we will need, let the drivers
1121 * enable other clocks as necessary
1122 */
1123 clk_use(&sync_32k_ick);
1124 clk_use(&omapctrl_ick);
1125 if (cpu_is_omap2430())
1126 clk_use(&sdrc_ick);
1127
1128 return 0;
1129}
diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
new file mode 100644
index 000000000000..4aeab5591bd3
--- /dev/null
+++ b/arch/arm/mach-omap2/clock.h
@@ -0,0 +1,2103 @@
1/*
2 * linux/arch/arm/mach-omap24xx/clock.h
3 *
4 * Copyright (C) 2005 Texas Instruments Inc.
5 * Richard Woodruff <r-woodruff2@ti.com>
6 * Created for OMAP2.
7 *
8 * Copyright (C) 2004 Nokia corporation
9 * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
10 * Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
15 */
16
17#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK_H
18#define __ARCH_ARM_MACH_OMAP2_CLOCK_H
19
20static void omap2_sys_clk_recalc(struct clk * clk);
21static void omap2_clksel_recalc(struct clk * clk);
22static void omap2_followparent_recalc(struct clk * clk);
23static void omap2_propagate_rate(struct clk * clk);
24static void omap2_mpu_recalc(struct clk * clk);
25static int omap2_select_table_rate(struct clk * clk, unsigned long rate);
26static long omap2_round_to_table_rate(struct clk * clk, unsigned long rate);
27static void omap2_clk_unuse(struct clk *clk);
28static void omap2_sys_clk_recalc(struct clk * clk);
29static u32 omap2_clksel_to_divisor(u32 div_sel, u32 field_val);
30static u32 omap2_clksel_get_divisor(struct clk *clk);
31
32
33#define RATE_IN_242X (1 << 0)
34#define RATE_IN_243X (1 << 1)
35
36/* Memory timings */
37#define M_DDR 1
38#define M_LOCK_CTRL (1 << 2)
39#define M_UNLOCK 0
40#define M_LOCK 1
41
42struct memory_timings {
43 u32 m_type; /* ddr = 1, sdr = 0 */
44 u32 dll_mode; /* use lock mode = 1, unlock mode = 0 */
45 u32 slow_dll_ctrl; /* unlock mode, dll value for slow speed */
46 u32 fast_dll_ctrl; /* unlock mode, dll value for fast speed */
47 u32 base_cs; /* base chip select to use for calculations */
48};
49
50/* Key dividers which make up a PRCM set. Ratio's for a PRCM are mandated.
51 * xtal_speed, dpll_speed, mpu_speed, CM_CLKSEL_MPU,CM_CLKSEL_DSP
52 * CM_CLKSEL_GFX, CM_CLKSEL1_CORE, CM_CLKSEL1_PLL CM_CLKSEL2_PLL, CM_CLKSEL_MDM
53 */
54struct prcm_config {
55 unsigned long xtal_speed; /* crystal rate */
56 unsigned long dpll_speed; /* dpll: out*xtal*M/(N-1)table_recalc */
57 unsigned long mpu_speed; /* speed of MPU */
58 unsigned long cm_clksel_mpu; /* mpu divider */
59 unsigned long cm_clksel_dsp; /* dsp+iva1 div(2420), iva2.1(2430) */
60 unsigned long cm_clksel_gfx; /* gfx dividers */
61 unsigned long cm_clksel1_core; /* major subsystem dividers */
62 unsigned long cm_clksel1_pll; /* m,n */
63 unsigned long cm_clksel2_pll; /* dpllx1 or x2 out */
64 unsigned long cm_clksel_mdm; /* modem dividers 2430 only */
65 unsigned long base_sdrc_rfr; /* base refresh timing for a set */
66 unsigned char flags;
67};
68
69/* Mask for clksel which support parent settign in set_rate */
70#define SRC_SEL_MASK (CM_CORE_SEL1 | CM_CORE_SEL2 | CM_WKUP_SEL1 | \
71 CM_PLL_SEL1 | CM_PLL_SEL2 | CM_SYSCLKOUT_SEL1)
72
73/* Mask for clksel regs which support rate operations */
74#define SRC_RATE_SEL_MASK (CM_MPU_SEL1 | CM_DSP_SEL1 | CM_GFX_SEL1 | \
75 CM_MODEM_SEL1 | CM_CORE_SEL1 | CM_CORE_SEL2 | \
76 CM_WKUP_SEL1 | CM_PLL_SEL1 | CM_PLL_SEL2 | \
77 CM_SYSCLKOUT_SEL1)
78
79/*
80 * The OMAP2 processor can be run at several discrete 'PRCM configurations'.
81 * These configurations are characterized by voltage and speed for clocks.
82 * The device is only validated for certain combinations. One way to express
83 * these combinations is via the 'ratio's' which the clocks operate with
84 * respect to each other. These ratio sets are for a given voltage/DPLL
85 * setting. All configurations can be described by a DPLL setting and a ratio
86 * There are 3 ratio sets for the 2430 and X ratio sets for 2420.
87 *
88 * 2430 differs from 2420 in that there are no more phase synchronizers used.
89 * They both have a slightly different clock domain setup. 2420(iva1,dsp) vs
90 * 2430 (iva2.1, NOdsp, mdm)
91 */
92
93/* Core fields for cm_clksel, not ratio governed */
94#define RX_CLKSEL_DSS1 (0x10 << 8)
95#define RX_CLKSEL_DSS2 (0x0 << 13)
96#define RX_CLKSEL_SSI (0x5 << 20)
97
98/*-------------------------------------------------------------------------
99 * Voltage/DPLL ratios
100 *-------------------------------------------------------------------------*/
101
102/* 2430 Ratio's, 2430-Ratio Config 1 */
103#define R1_CLKSEL_L3 (4 << 0)
104#define R1_CLKSEL_L4 (2 << 5)
105#define R1_CLKSEL_USB (4 << 25)
106#define R1_CM_CLKSEL1_CORE_VAL R1_CLKSEL_USB | RX_CLKSEL_SSI | \
107 RX_CLKSEL_DSS2 | RX_CLKSEL_DSS1 | \
108 R1_CLKSEL_L4 | R1_CLKSEL_L3
109#define R1_CLKSEL_MPU (2 << 0)
110#define R1_CM_CLKSEL_MPU_VAL R1_CLKSEL_MPU
111#define R1_CLKSEL_DSP (2 << 0)
112#define R1_CLKSEL_DSP_IF (2 << 5)
113#define R1_CM_CLKSEL_DSP_VAL R1_CLKSEL_DSP | R1_CLKSEL_DSP_IF
114#define R1_CLKSEL_GFX (2 << 0)
115#define R1_CM_CLKSEL_GFX_VAL R1_CLKSEL_GFX
116#define R1_CLKSEL_MDM (4 << 0)
117#define R1_CM_CLKSEL_MDM_VAL R1_CLKSEL_MDM
118
119/* 2430-Ratio Config 2 */
120#define R2_CLKSEL_L3 (6 << 0)
121#define R2_CLKSEL_L4 (2 << 5)
122#define R2_CLKSEL_USB (2 << 25)
123#define R2_CM_CLKSEL1_CORE_VAL R2_CLKSEL_USB | RX_CLKSEL_SSI | \
124 RX_CLKSEL_DSS2 | RX_CLKSEL_DSS1 | \
125 R2_CLKSEL_L4 | R2_CLKSEL_L3
126#define R2_CLKSEL_MPU (2 << 0)
127#define R2_CM_CLKSEL_MPU_VAL R2_CLKSEL_MPU
128#define R2_CLKSEL_DSP (2 << 0)
129#define R2_CLKSEL_DSP_IF (3 << 5)
130#define R2_CM_CLKSEL_DSP_VAL R2_CLKSEL_DSP | R2_CLKSEL_DSP_IF
131#define R2_CLKSEL_GFX (2 << 0)
132#define R2_CM_CLKSEL_GFX_VAL R2_CLKSEL_GFX
133#define R2_CLKSEL_MDM (6 << 0)
134#define R2_CM_CLKSEL_MDM_VAL R2_CLKSEL_MDM
135
136/* 2430-Ratio Bootm (BYPASS) */
137#define RB_CLKSEL_L3 (1 << 0)
138#define RB_CLKSEL_L4 (1 << 5)
139#define RB_CLKSEL_USB (1 << 25)
140#define RB_CM_CLKSEL1_CORE_VAL RB_CLKSEL_USB | RX_CLKSEL_SSI | \
141 RX_CLKSEL_DSS2 | RX_CLKSEL_DSS1 | \
142 RB_CLKSEL_L4 | RB_CLKSEL_L3
143#define RB_CLKSEL_MPU (1 << 0)
144#define RB_CM_CLKSEL_MPU_VAL RB_CLKSEL_MPU
145#define RB_CLKSEL_DSP (1 << 0)
146#define RB_CLKSEL_DSP_IF (1 << 5)
147#define RB_CM_CLKSEL_DSP_VAL RB_CLKSEL_DSP | RB_CLKSEL_DSP_IF
148#define RB_CLKSEL_GFX (1 << 0)
149#define RB_CM_CLKSEL_GFX_VAL RB_CLKSEL_GFX
150#define RB_CLKSEL_MDM (1 << 0)
151#define RB_CM_CLKSEL_MDM_VAL RB_CLKSEL_MDM
152
153/* 2420 Ratio Equivalents */
154#define RXX_CLKSEL_VLYNQ (0x12 << 15)
155#define RXX_CLKSEL_SSI (0x8 << 20)
156
157/* 2420-PRCM III 532MHz core */
158#define RIII_CLKSEL_L3 (4 << 0) /* 133MHz */
159#define RIII_CLKSEL_L4 (2 << 5) /* 66.5MHz */
160#define RIII_CLKSEL_USB (4 << 25) /* 33.25MHz */
161#define RIII_CM_CLKSEL1_CORE_VAL RIII_CLKSEL_USB | RXX_CLKSEL_SSI | \
162 RXX_CLKSEL_VLYNQ | RX_CLKSEL_DSS2 | \
163 RX_CLKSEL_DSS1 | RIII_CLKSEL_L4 | \
164 RIII_CLKSEL_L3
165#define RIII_CLKSEL_MPU (2 << 0) /* 266MHz */
166#define RIII_CM_CLKSEL_MPU_VAL RIII_CLKSEL_MPU
167#define RIII_CLKSEL_DSP (3 << 0) /* c5x - 177.3MHz */
168#define RIII_CLKSEL_DSP_IF (2 << 5) /* c5x - 88.67MHz */
169#define RIII_SYNC_DSP (1 << 7) /* Enable sync */
170#define RIII_CLKSEL_IVA (6 << 8) /* iva1 - 88.67MHz */
171#define RIII_SYNC_IVA (1 << 13) /* Enable sync */
172#define RIII_CM_CLKSEL_DSP_VAL RIII_SYNC_IVA | RIII_CLKSEL_IVA | \
173 RIII_SYNC_DSP | RIII_CLKSEL_DSP_IF | \
174 RIII_CLKSEL_DSP
175#define RIII_CLKSEL_GFX (2 << 0) /* 66.5MHz */
176#define RIII_CM_CLKSEL_GFX_VAL RIII_CLKSEL_GFX
177
178/* 2420-PRCM II 600MHz core */
179#define RII_CLKSEL_L3 (6 << 0) /* 100MHz */
180#define RII_CLKSEL_L4 (2 << 5) /* 50MHz */
181#define RII_CLKSEL_USB (2 << 25) /* 50MHz */
182#define RII_CM_CLKSEL1_CORE_VAL RII_CLKSEL_USB | \
183 RXX_CLKSEL_SSI | RXX_CLKSEL_VLYNQ | \
184 RX_CLKSEL_DSS2 | RX_CLKSEL_DSS1 | \
185 RII_CLKSEL_L4 | RII_CLKSEL_L3
186#define RII_CLKSEL_MPU (2 << 0) /* 300MHz */
187#define RII_CM_CLKSEL_MPU_VAL RII_CLKSEL_MPU
188#define RII_CLKSEL_DSP (3 << 0) /* c5x - 200MHz */
189#define RII_CLKSEL_DSP_IF (2 << 5) /* c5x - 100MHz */
190#define RII_SYNC_DSP (0 << 7) /* Bypass sync */
191#define RII_CLKSEL_IVA (6 << 8) /* iva1 - 200MHz */
192#define RII_SYNC_IVA (0 << 13) /* Bypass sync */
193#define RII_CM_CLKSEL_DSP_VAL RII_SYNC_IVA | RII_CLKSEL_IVA | \
194 RII_SYNC_DSP | RII_CLKSEL_DSP_IF | \
195 RII_CLKSEL_DSP
196#define RII_CLKSEL_GFX (2 << 0) /* 50MHz */
197#define RII_CM_CLKSEL_GFX_VAL RII_CLKSEL_GFX
198
199/* 2420-PRCM VII (boot) */
200#define RVII_CLKSEL_L3 (1 << 0)
201#define RVII_CLKSEL_L4 (1 << 5)
202#define RVII_CLKSEL_DSS1 (1 << 8)
203#define RVII_CLKSEL_DSS2 (0 << 13)
204#define RVII_CLKSEL_VLYNQ (1 << 15)
205#define RVII_CLKSEL_SSI (1 << 20)
206#define RVII_CLKSEL_USB (1 << 25)
207
208#define RVII_CM_CLKSEL1_CORE_VAL RVII_CLKSEL_USB | RVII_CLKSEL_SSI | \
209 RVII_CLKSEL_VLYNQ | RVII_CLKSEL_DSS2 | \
210 RVII_CLKSEL_DSS1 | RVII_CLKSEL_L4 | RVII_CLKSEL_L3
211
212#define RVII_CLKSEL_MPU (1 << 0) /* all divide by 1 */
213#define RVII_CM_CLKSEL_MPU_VAL RVII_CLKSEL_MPU
214
215#define RVII_CLKSEL_DSP (1 << 0)
216#define RVII_CLKSEL_DSP_IF (1 << 5)
217#define RVII_SYNC_DSP (0 << 7)
218#define RVII_CLKSEL_IVA (1 << 8)
219#define RVII_SYNC_IVA (0 << 13)
220#define RVII_CM_CLKSEL_DSP_VAL RVII_SYNC_IVA | RVII_CLKSEL_IVA | RVII_SYNC_DSP | \
221 RVII_CLKSEL_DSP_IF | RVII_CLKSEL_DSP
222
223#define RVII_CLKSEL_GFX (1 << 0)
224#define RVII_CM_CLKSEL_GFX_VAL RVII_CLKSEL_GFX
225
226/*-------------------------------------------------------------------------
227 * 2430 Target modes: Along with each configuration the CPU has several
228 * modes which goes along with them. Modes mainly are the addition of
229 * describe DPLL combinations to go along with a ratio.
230 *-------------------------------------------------------------------------*/
231
232/* Hardware governed */
233#define MX_48M_SRC (0 << 3)
234#define MX_54M_SRC (0 << 5)
235#define MX_APLLS_CLIKIN_12 (3 << 23)
236#define MX_APLLS_CLIKIN_13 (2 << 23)
237#define MX_APLLS_CLIKIN_19_2 (0 << 23)
238
239/*
240 * 2430 - standalone, 2*ref*M/(n+1), M/N is for exactness not relock speed
241 * #2 (ratio1) baseport-target
242 * #5a (ratio1) baseport-target, target DPLL = 266*2 = 532MHz
243 */
244#define M5A_DPLL_MULT_12 (133 << 12)
245#define M5A_DPLL_DIV_12 (5 << 8)
246#define M5A_CM_CLKSEL1_PLL_12_VAL MX_48M_SRC | MX_54M_SRC | \
247 M5A_DPLL_DIV_12 | M5A_DPLL_MULT_12 | \
248 MX_APLLS_CLIKIN_12
249#define M5A_DPLL_MULT_13 (266 << 12)
250#define M5A_DPLL_DIV_13 (12 << 8)
251#define M5A_CM_CLKSEL1_PLL_13_VAL MX_48M_SRC | MX_54M_SRC | \
252 M5A_DPLL_DIV_13 | M5A_DPLL_MULT_13 | \
253 MX_APLLS_CLIKIN_13
254#define M5A_DPLL_MULT_19 (180 << 12)
255#define M5A_DPLL_DIV_19 (12 << 8)
256#define M5A_CM_CLKSEL1_PLL_19_VAL MX_48M_SRC | MX_54M_SRC | \
257 M5A_DPLL_DIV_19 | M5A_DPLL_MULT_19 | \
258 MX_APLLS_CLIKIN_19_2
259/* #5b (ratio1) target DPLL = 200*2 = 400MHz */
260#define M5B_DPLL_MULT_12 (50 << 12)
261#define M5B_DPLL_DIV_12 (2 << 8)
262#define M5B_CM_CLKSEL1_PLL_12_VAL MX_48M_SRC | MX_54M_SRC | \
263 M5B_DPLL_DIV_12 | M5B_DPLL_MULT_12 | \
264 MX_APLLS_CLIKIN_12
265#define M5B_DPLL_MULT_13 (200 << 12)
266#define M5B_DPLL_DIV_13 (12 << 8)
267
268#define M5B_CM_CLKSEL1_PLL_13_VAL MX_48M_SRC | MX_54M_SRC | \
269 M5B_DPLL_DIV_13 | M5B_DPLL_MULT_13 | \
270 MX_APLLS_CLIKIN_13
271#define M5B_DPLL_MULT_19 (125 << 12)
272#define M5B_DPLL_DIV_19 (31 << 8)
273#define M5B_CM_CLKSEL1_PLL_19_VAL MX_48M_SRC | MX_54M_SRC | \
274 M5B_DPLL_DIV_19 | M5B_DPLL_MULT_19 | \
275 MX_APLLS_CLIKIN_19_2
276/*
277 * #4 (ratio2)
278 * #3 (ratio2) baseport-target, target DPLL = 330*2 = 660MHz
279 */
280#define M3_DPLL_MULT_12 (55 << 12)
281#define M3_DPLL_DIV_12 (1 << 8)
282#define M3_CM_CLKSEL1_PLL_12_VAL MX_48M_SRC | MX_54M_SRC | \
283 M3_DPLL_DIV_12 | M3_DPLL_MULT_12 | \
284 MX_APLLS_CLIKIN_12
285#define M3_DPLL_MULT_13 (330 << 12)
286#define M3_DPLL_DIV_13 (12 << 8)
287#define M3_CM_CLKSEL1_PLL_13_VAL MX_48M_SRC | MX_54M_SRC | \
288 M3_DPLL_DIV_13 | M3_DPLL_MULT_13 | \
289 MX_APLLS_CLIKIN_13
290#define M3_DPLL_MULT_19 (275 << 12)
291#define M3_DPLL_DIV_19 (15 << 8)
292#define M3_CM_CLKSEL1_PLL_19_VAL MX_48M_SRC | MX_54M_SRC | \
293 M3_DPLL_DIV_19 | M3_DPLL_MULT_19 | \
294 MX_APLLS_CLIKIN_19_2
295/* boot (boot) */
296#define MB_DPLL_MULT (1 << 12)
297#define MB_DPLL_DIV (0 << 8)
298#define MB_CM_CLKSEL1_PLL_12_VAL MX_48M_SRC | MX_54M_SRC | MB_DPLL_DIV |\
299 MB_DPLL_MULT | MX_APLLS_CLIKIN_12
300
301#define MB_CM_CLKSEL1_PLL_13_VAL MX_48M_SRC | MX_54M_SRC | MB_DPLL_DIV |\
302 MB_DPLL_MULT | MX_APLLS_CLIKIN_13
303
304#define MB_CM_CLKSEL1_PLL_19_VAL MX_48M_SRC | MX_54M_SRC | MB_DPLL_DIV |\
305 MB_DPLL_MULT | MX_APLLS_CLIKIN_19
306
307/*
308 * 2430 - chassis (sedna)
309 * 165 (ratio1) same as above #2
310 * 150 (ratio1)
311 * 133 (ratio2) same as above #4
312 * 110 (ratio2) same as above #3
313 * 104 (ratio2)
314 * boot (boot)
315 */
316
317/*
318 * 2420 Equivalent - mode registers
319 * PRCM II , target DPLL = 2*300MHz = 600MHz
320 */
321#define MII_DPLL_MULT_12 (50 << 12)
322#define MII_DPLL_DIV_12 (1 << 8)
323#define MII_CM_CLKSEL1_PLL_12_VAL MX_48M_SRC | MX_54M_SRC | \
324 MII_DPLL_DIV_12 | MII_DPLL_MULT_12 | \
325 MX_APLLS_CLIKIN_12
326#define MII_DPLL_MULT_13 (300 << 12)
327#define MII_DPLL_DIV_13 (12 << 8)
328#define MII_CM_CLKSEL1_PLL_13_VAL MX_48M_SRC | MX_54M_SRC | \
329 MII_DPLL_DIV_13 | MII_DPLL_MULT_13 | \
330 MX_APLLS_CLIKIN_13
331
332/* PRCM III target DPLL = 2*266 = 532MHz*/
333#define MIII_DPLL_MULT_12 (133 << 12)
334#define MIII_DPLL_DIV_12 (5 << 8)
335#define MIII_CM_CLKSEL1_PLL_12_VAL MX_48M_SRC | MX_54M_SRC | \
336 MIII_DPLL_DIV_12 | MIII_DPLL_MULT_12 | \
337 MX_APLLS_CLIKIN_12
338#define MIII_DPLL_MULT_13 (266 << 12)
339#define MIII_DPLL_DIV_13 (12 << 8)
340#define MIII_CM_CLKSEL1_PLL_13_VAL MX_48M_SRC | MX_54M_SRC | \
341 MIII_DPLL_DIV_13 | MIII_DPLL_MULT_13 | \
342 MX_APLLS_CLIKIN_13
343
344/* PRCM VII (boot bypass) */
345#define MVII_CM_CLKSEL1_PLL_12_VAL MB_CM_CLKSEL1_PLL_12_VAL
346#define MVII_CM_CLKSEL1_PLL_13_VAL MB_CM_CLKSEL1_PLL_13_VAL
347
348/* High and low operation value */
349#define MX_CLKSEL2_PLL_2x_VAL (2 << 0)
350#define MX_CLKSEL2_PLL_1x_VAL (1 << 0)
351
352/*
353 * These represent optimal values for common parts, it won't work for all.
354 * As long as you scale down, most parameters are still work, they just
355 * become sub-optimal. The RFR value goes in the oppisite direction. If you
356 * don't adjust it down as your clock period increases the refresh interval
357 * will not be met. Setting all parameters for complete worst case may work,
358 * but may cut memory performance by 2x. Due to errata the DLLs need to be
359 * unlocked and their value needs run time calibration. A dynamic call is
360 * need for that as no single right value exists acorss production samples.
361 *
362 * Only the FULL speed values are given. Current code is such that rate
363 * changes must be made at DPLLoutx2. The actual value adjustment for low
364 * frequency operation will be handled by omap_set_performance()
365 *
366 * By having the boot loader boot up in the fastest L4 speed available likely
367 * will result in something which you can switch between.
368 */
369#define V24XX_SDRC_RFR_CTRL_133MHz (0x0003de00 | 1)
370#define V24XX_SDRC_RFR_CTRL_100MHz (0x0002da01 | 1)
371#define V24XX_SDRC_RFR_CTRL_110MHz (0x0002da01 | 1) /* Need to calc */
372#define V24XX_SDRC_RFR_CTRL_BYPASS (0x00005000 | 1) /* Need to calc */
373
374/* MPU speed defines */
375#define S12M 12000000
376#define S13M 13000000
377#define S19M 19200000
378#define S26M 26000000
379#define S100M 100000000
380#define S133M 133000000
381#define S150M 150000000
382#define S165M 165000000
383#define S200M 200000000
384#define S266M 266000000
385#define S300M 300000000
386#define S330M 330000000
387#define S400M 400000000
388#define S532M 532000000
389#define S600M 600000000
390#define S660M 660000000
391
392/*-------------------------------------------------------------------------
393 * Key dividers which make up a PRCM set. Ratio's for a PRCM are mandated.
394 * xtal_speed, dpll_speed, mpu_speed, CM_CLKSEL_MPU,
395 * CM_CLKSEL_DSP, CM_CLKSEL_GFX, CM_CLKSEL1_CORE, CM_CLKSEL1_PLL,
396 * CM_CLKSEL2_PLL, CM_CLKSEL_MDM
397 *
398 * Filling in table based on H4 boards and 2430-SDPs variants available.
399 * There are quite a few more rates combinations which could be defined.
400 *
401 * When multiple values are defiend the start up will try and choose the
402 * fastest one. If a 'fast' value is defined, then automatically, the /2
403 * one should be included as it can be used. Generally having more that
404 * one fast set does not make sense, as static timings need to be changed
405 * to change the set. The exception is the bypass setting which is
406 * availble for low power bypass.
407 *
408 * Note: This table needs to be sorted, fastest to slowest.
409 *-------------------------------------------------------------------------*/
410static struct prcm_config rate_table[] = {
411 /* PRCM II - FAST */
412 {S12M, S600M, S300M, RII_CM_CLKSEL_MPU_VAL, /* 300MHz ARM */
413 RII_CM_CLKSEL_DSP_VAL, RII_CM_CLKSEL_GFX_VAL,
414 RII_CM_CLKSEL1_CORE_VAL, MII_CM_CLKSEL1_PLL_12_VAL,
415 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_100MHz,
416 RATE_IN_242X},
417
418 {S13M, S600M, S300M, RII_CM_CLKSEL_MPU_VAL, /* 300MHz ARM */
419 RII_CM_CLKSEL_DSP_VAL, RII_CM_CLKSEL_GFX_VAL,
420 RII_CM_CLKSEL1_CORE_VAL, MII_CM_CLKSEL1_PLL_13_VAL,
421 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_100MHz,
422 RATE_IN_242X},
423
424 /* PRCM III - FAST */
425 {S12M, S532M, S266M, RIII_CM_CLKSEL_MPU_VAL, /* 266MHz ARM */
426 RIII_CM_CLKSEL_DSP_VAL, RIII_CM_CLKSEL_GFX_VAL,
427 RIII_CM_CLKSEL1_CORE_VAL, MIII_CM_CLKSEL1_PLL_12_VAL,
428 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_133MHz,
429 RATE_IN_242X},
430
431 {S13M, S532M, S266M, RIII_CM_CLKSEL_MPU_VAL, /* 266MHz ARM */
432 RIII_CM_CLKSEL_DSP_VAL, RIII_CM_CLKSEL_GFX_VAL,
433 RIII_CM_CLKSEL1_CORE_VAL, MIII_CM_CLKSEL1_PLL_13_VAL,
434 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_133MHz,
435 RATE_IN_242X},
436
437 /* PRCM II - SLOW */
438 {S12M, S300M, S150M, RII_CM_CLKSEL_MPU_VAL, /* 150MHz ARM */
439 RII_CM_CLKSEL_DSP_VAL, RII_CM_CLKSEL_GFX_VAL,
440 RII_CM_CLKSEL1_CORE_VAL, MII_CM_CLKSEL1_PLL_12_VAL,
441 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_100MHz,
442 RATE_IN_242X},
443
444 {S13M, S300M, S150M, RII_CM_CLKSEL_MPU_VAL, /* 150MHz ARM */
445 RII_CM_CLKSEL_DSP_VAL, RII_CM_CLKSEL_GFX_VAL,
446 RII_CM_CLKSEL1_CORE_VAL, MII_CM_CLKSEL1_PLL_13_VAL,
447 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_100MHz,
448 RATE_IN_242X},
449
450 /* PRCM III - SLOW */
451 {S12M, S266M, S133M, RIII_CM_CLKSEL_MPU_VAL, /* 133MHz ARM */
452 RIII_CM_CLKSEL_DSP_VAL, RIII_CM_CLKSEL_GFX_VAL,
453 RIII_CM_CLKSEL1_CORE_VAL, MIII_CM_CLKSEL1_PLL_12_VAL,
454 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_133MHz,
455 RATE_IN_242X},
456
457 {S13M, S266M, S133M, RIII_CM_CLKSEL_MPU_VAL, /* 133MHz ARM */
458 RIII_CM_CLKSEL_DSP_VAL, RIII_CM_CLKSEL_GFX_VAL,
459 RIII_CM_CLKSEL1_CORE_VAL, MIII_CM_CLKSEL1_PLL_13_VAL,
460 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_133MHz,
461 RATE_IN_242X},
462
463 /* PRCM-VII (boot-bypass) */
464 {S12M, S12M, S12M, RVII_CM_CLKSEL_MPU_VAL, /* 12MHz ARM*/
465 RVII_CM_CLKSEL_DSP_VAL, RVII_CM_CLKSEL_GFX_VAL,
466 RVII_CM_CLKSEL1_CORE_VAL, MVII_CM_CLKSEL1_PLL_12_VAL,
467 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_BYPASS,
468 RATE_IN_242X},
469
470 /* PRCM-VII (boot-bypass) */
471 {S13M, S13M, S13M, RVII_CM_CLKSEL_MPU_VAL, /* 13MHz ARM */
472 RVII_CM_CLKSEL_DSP_VAL, RVII_CM_CLKSEL_GFX_VAL,
473 RVII_CM_CLKSEL1_CORE_VAL, MVII_CM_CLKSEL1_PLL_13_VAL,
474 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_BYPASS,
475 RATE_IN_242X},
476
477 /* PRCM #3 - ratio2 (ES2) - FAST */
478 {S13M, S660M, S330M, R2_CM_CLKSEL_MPU_VAL, /* 330MHz ARM */
479 R2_CM_CLKSEL_DSP_VAL, R2_CM_CLKSEL_GFX_VAL,
480 R2_CM_CLKSEL1_CORE_VAL, M3_CM_CLKSEL1_PLL_13_VAL,
481 MX_CLKSEL2_PLL_2x_VAL, R2_CM_CLKSEL_MDM_VAL,
482 V24XX_SDRC_RFR_CTRL_110MHz,
483 RATE_IN_243X},
484
485 /* PRCM #5a - ratio1 - FAST */
486 {S13M, S532M, S266M, R1_CM_CLKSEL_MPU_VAL, /* 266MHz ARM */
487 R1_CM_CLKSEL_DSP_VAL, R1_CM_CLKSEL_GFX_VAL,
488 R1_CM_CLKSEL1_CORE_VAL, M5A_CM_CLKSEL1_PLL_13_VAL,
489 MX_CLKSEL2_PLL_2x_VAL, R1_CM_CLKSEL_MDM_VAL,
490 V24XX_SDRC_RFR_CTRL_133MHz,
491 RATE_IN_243X},
492
493 /* PRCM #5b - ratio1 - FAST */
494 {S13M, S400M, S200M, R1_CM_CLKSEL_MPU_VAL, /* 200MHz ARM */
495 R1_CM_CLKSEL_DSP_VAL, R1_CM_CLKSEL_GFX_VAL,
496 R1_CM_CLKSEL1_CORE_VAL, M5B_CM_CLKSEL1_PLL_13_VAL,
497 MX_CLKSEL2_PLL_2x_VAL, R1_CM_CLKSEL_MDM_VAL,
498 V24XX_SDRC_RFR_CTRL_100MHz,
499 RATE_IN_243X},
500
501 /* PRCM #3 - ratio2 (ES2) - SLOW */
502 {S13M, S330M, S165M, R2_CM_CLKSEL_MPU_VAL, /* 165MHz ARM */
503 R2_CM_CLKSEL_DSP_VAL, R2_CM_CLKSEL_GFX_VAL,
504 R2_CM_CLKSEL1_CORE_VAL, M3_CM_CLKSEL1_PLL_13_VAL,
505 MX_CLKSEL2_PLL_1x_VAL, R2_CM_CLKSEL_MDM_VAL,
506 V24XX_SDRC_RFR_CTRL_110MHz,
507 RATE_IN_243X},
508
509 /* PRCM #5a - ratio1 - SLOW */
510 {S13M, S266M, S133M, R1_CM_CLKSEL_MPU_VAL, /* 133MHz ARM */
511 R1_CM_CLKSEL_DSP_VAL, R1_CM_CLKSEL_GFX_VAL,
512 R1_CM_CLKSEL1_CORE_VAL, M5A_CM_CLKSEL1_PLL_13_VAL,
513 MX_CLKSEL2_PLL_1x_VAL, R1_CM_CLKSEL_MDM_VAL,
514 V24XX_SDRC_RFR_CTRL_133MHz,
515 RATE_IN_243X},
516
517 /* PRCM #5b - ratio1 - SLOW*/
518 {S13M, S200M, S100M, R1_CM_CLKSEL_MPU_VAL, /* 100MHz ARM */
519 R1_CM_CLKSEL_DSP_VAL, R1_CM_CLKSEL_GFX_VAL,
520 R1_CM_CLKSEL1_CORE_VAL, M5B_CM_CLKSEL1_PLL_13_VAL,
521 MX_CLKSEL2_PLL_1x_VAL, R1_CM_CLKSEL_MDM_VAL,
522 V24XX_SDRC_RFR_CTRL_100MHz,
523 RATE_IN_243X},
524
525 /* PRCM-boot/bypass */
526 {S13M, S13M, S13M, RB_CM_CLKSEL_MPU_VAL, /* 13Mhz */
527 RB_CM_CLKSEL_DSP_VAL, RB_CM_CLKSEL_GFX_VAL,
528 RB_CM_CLKSEL1_CORE_VAL, MB_CM_CLKSEL1_PLL_13_VAL,
529 MX_CLKSEL2_PLL_2x_VAL, RB_CM_CLKSEL_MDM_VAL,
530 V24XX_SDRC_RFR_CTRL_BYPASS,
531 RATE_IN_243X},
532
533 /* PRCM-boot/bypass */
534 {S12M, S12M, S12M, RB_CM_CLKSEL_MPU_VAL, /* 12Mhz */
535 RB_CM_CLKSEL_DSP_VAL, RB_CM_CLKSEL_GFX_VAL,
536 RB_CM_CLKSEL1_CORE_VAL, MB_CM_CLKSEL1_PLL_12_VAL,
537 MX_CLKSEL2_PLL_2x_VAL, RB_CM_CLKSEL_MDM_VAL,
538 V24XX_SDRC_RFR_CTRL_BYPASS,
539 RATE_IN_243X},
540
541 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
542};
543
544/*-------------------------------------------------------------------------
545 * 24xx clock tree.
546 *
547 * NOTE:In many cases here we are assigning a 'default' parent. In many
548 * cases the parent is selectable. The get/set parent calls will also
549 * switch sources.
550 *
551 * Many some clocks say always_enabled, but they can be auto idled for
552 * power savings. They will always be available upon clock request.
553 *
554 * Several sources are given initial rates which may be wrong, this will
555 * be fixed up in the init func.
556 *
557 * Things are broadly separated below by clock domains. It is
558 * noteworthy that most periferals have dependencies on multiple clock
559 * domains. Many get their interface clocks from the L4 domain, but get
560 * functional clocks from fixed sources or other core domain derived
561 * clocks.
562 *-------------------------------------------------------------------------*/
563
564/* Base external input clocks */
565static struct clk func_32k_ck = {
566 .name = "func_32k_ck",
567 .rate = 32000,
568 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
569 RATE_FIXED | ALWAYS_ENABLED,
570};
571
572/* Typical 12/13MHz in standalone mode, will be 26Mhz in chassis mode */
573static struct clk osc_ck = { /* (*12, *13, 19.2, *26, 38.4)MHz */
574 .name = "osc_ck",
575 .rate = 26000000, /* fixed up in clock init */
576 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
577 RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES,
578};
579
580/* With out modem likely 12MHz, with modem likely 13MHz */
581static struct clk sys_ck = { /* (*12, *13, 19.2, 26, 38.4)MHz */
582 .name = "sys_ck", /* ~ ref_clk also */
583 .parent = &osc_ck,
584 .rate = 13000000,
585 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
586 RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES,
587 .rate_offset = 6, /* sysclkdiv 1 or 2, already handled or no boot */
588 .recalc = &omap2_sys_clk_recalc,
589};
590
591static struct clk alt_ck = { /* Typical 54M or 48M, may not exist */
592 .name = "alt_ck",
593 .rate = 54000000,
594 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
595 RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES,
596 .recalc = &omap2_propagate_rate,
597};
598
599/*
600 * Analog domain root source clocks
601 */
602
603/* dpll_ck, is broken out in to special cases through clksel */
604static struct clk dpll_ck = {
605 .name = "dpll_ck",
606 .parent = &sys_ck, /* Can be func_32k also */
607 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
608 RATE_PROPAGATES | RATE_CKCTL | CM_PLL_SEL1,
609 .recalc = &omap2_clksel_recalc,
610};
611
612static struct clk apll96_ck = {
613 .name = "apll96_ck",
614 .parent = &sys_ck,
615 .rate = 96000000,
616 .flags = CLOCK_IN_OMAP242X |CLOCK_IN_OMAP243X |
617 RATE_FIXED | RATE_PROPAGATES,
618 .enable_reg = (void __iomem *)&CM_CLKEN_PLL,
619 .enable_bit = 0x2,
620 .recalc = &omap2_propagate_rate,
621};
622
623static struct clk apll54_ck = {
624 .name = "apll54_ck",
625 .parent = &sys_ck,
626 .rate = 54000000,
627 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
628 RATE_FIXED | RATE_PROPAGATES,
629 .enable_reg = (void __iomem *)&CM_CLKEN_PLL,
630 .enable_bit = 0x6,
631 .recalc = &omap2_propagate_rate,
632};
633
634/*
635 * PRCM digital base sources
636 */
637static struct clk func_54m_ck = {
638 .name = "func_54m_ck",
639 .parent = &apll54_ck, /* can also be alt_clk */
640 .rate = 54000000,
641 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
642 RATE_FIXED | CM_PLL_SEL1 | RATE_PROPAGATES,
643 .src_offset = 5,
644 .enable_reg = (void __iomem *)&CM_CLKEN_PLL,
645 .enable_bit = 0xff,
646 .recalc = &omap2_propagate_rate,
647};
648
649static struct clk core_ck = {
650 .name = "core_ck",
651 .parent = &dpll_ck, /* can also be 32k */
652 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
653 ALWAYS_ENABLED | RATE_PROPAGATES,
654 .recalc = &omap2_propagate_rate,
655};
656
657static struct clk sleep_ck = { /* sys_clk or 32k */
658 .name = "sleep_ck",
659 .parent = &func_32k_ck,
660 .rate = 32000,
661 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
662 .recalc = &omap2_propagate_rate,
663};
664
665static struct clk func_96m_ck = {
666 .name = "func_96m_ck",
667 .parent = &apll96_ck,
668 .rate = 96000000,
669 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
670 RATE_FIXED | RATE_PROPAGATES,
671 .enable_reg = (void __iomem *)&CM_CLKEN_PLL,
672 .enable_bit = 0xff,
673 .recalc = &omap2_propagate_rate,
674};
675
676static struct clk func_48m_ck = {
677 .name = "func_48m_ck",
678 .parent = &apll96_ck, /* 96M or Alt */
679 .rate = 48000000,
680 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
681 RATE_FIXED | CM_PLL_SEL1 | RATE_PROPAGATES,
682 .src_offset = 3,
683 .enable_reg = (void __iomem *)&CM_CLKEN_PLL,
684 .enable_bit = 0xff,
685 .recalc = &omap2_propagate_rate,
686};
687
688static struct clk func_12m_ck = {
689 .name = "func_12m_ck",
690 .parent = &func_48m_ck,
691 .rate = 12000000,
692 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
693 RATE_FIXED | RATE_PROPAGATES,
694 .recalc = &omap2_propagate_rate,
695 .enable_reg = (void __iomem *)&CM_CLKEN_PLL,
696 .enable_bit = 0xff,
697};
698
699/* Secure timer, only available in secure mode */
700static struct clk wdt1_osc_ck = {
701 .name = "ck_wdt1_osc",
702 .parent = &osc_ck,
703 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
704 .recalc = &omap2_followparent_recalc,
705};
706
707static struct clk sys_clkout = {
708 .name = "sys_clkout",
709 .parent = &func_54m_ck,
710 .rate = 54000000,
711 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
712 CM_SYSCLKOUT_SEL1 | RATE_CKCTL,
713 .src_offset = 0,
714 .enable_reg = (void __iomem *)&PRCM_CLKOUT_CTRL,
715 .enable_bit = 7,
716 .rate_offset = 3,
717 .recalc = &omap2_clksel_recalc,
718};
719
720/* In 2430, new in 2420 ES2 */
721static struct clk sys_clkout2 = {
722 .name = "sys_clkout2",
723 .parent = &func_54m_ck,
724 .rate = 54000000,
725 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
726 CM_SYSCLKOUT_SEL1 | RATE_CKCTL,
727 .src_offset = 8,
728 .enable_reg = (void __iomem *)&PRCM_CLKOUT_CTRL,
729 .enable_bit = 15,
730 .rate_offset = 11,
731 .recalc = &omap2_clksel_recalc,
732};
733
734/*
735 * MPU clock domain
736 * Clocks:
737 * MPU_FCLK, MPU_ICLK
738 * INT_M_FCLK, INT_M_I_CLK
739 *
740 * - Individual clocks are hardware managed.
741 * - Base divider comes from: CM_CLKSEL_MPU
742 *
743 */
744static struct clk mpu_ck = { /* Control cpu */
745 .name = "mpu_ck",
746 .parent = &core_ck,
747 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_CKCTL |
748 ALWAYS_ENABLED | CM_MPU_SEL1 | DELAYED_APP |
749 CONFIG_PARTICIPANT | RATE_PROPAGATES,
750 .rate_offset = 0, /* bits 0-4 */
751 .recalc = &omap2_clksel_recalc,
752};
753
754/*
755 * DSP (2430-IVA2.1) (2420-UMA+IVA1) clock domain
756 * Clocks:
757 * 2430: IVA2.1_FCLK, IVA2.1_ICLK
758 * 2420: UMA_FCLK, UMA_ICLK, IVA_MPU, IVA_COP
759 */
760static struct clk iva2_1_fck = {
761 .name = "iva2_1_fck",
762 .parent = &core_ck,
763 .flags = CLOCK_IN_OMAP243X | RATE_CKCTL | CM_DSP_SEL1 |
764 DELAYED_APP | RATE_PROPAGATES |
765 CONFIG_PARTICIPANT,
766 .rate_offset = 0,
767 .enable_reg = (void __iomem *)&CM_FCLKEN_DSP,
768 .enable_bit = 0,
769 .recalc = &omap2_clksel_recalc,
770};
771
772static struct clk iva2_1_ick = {
773 .name = "iva2_1_ick",
774 .parent = &iva2_1_fck,
775 .flags = CLOCK_IN_OMAP243X | RATE_CKCTL | CM_DSP_SEL1 |
776 DELAYED_APP | CONFIG_PARTICIPANT,
777 .rate_offset = 5,
778 .recalc = &omap2_clksel_recalc,
779};
780
781/*
782 * Won't be too specific here. The core clock comes into this block
783 * it is divided then tee'ed. One branch goes directly to xyz enable
784 * controls. The other branch gets further divided by 2 then possibly
785 * routed into a synchronizer and out of clocks abc.
786 */
787static struct clk dsp_fck = {
788 .name = "dsp_fck",
789 .parent = &core_ck,
790 .flags = CLOCK_IN_OMAP242X | RATE_CKCTL | CM_DSP_SEL1 |
791 DELAYED_APP | CONFIG_PARTICIPANT | RATE_PROPAGATES,
792 .rate_offset = 0,
793 .enable_reg = (void __iomem *)&CM_FCLKEN_DSP,
794 .enable_bit = 0,
795 .recalc = &omap2_clksel_recalc,
796};
797
798static struct clk dsp_ick = {
799 .name = "dsp_ick", /* apparently ipi and isp */
800 .parent = &dsp_fck,
801 .flags = CLOCK_IN_OMAP242X | RATE_CKCTL | CM_DSP_SEL1 |
802 DELAYED_APP | CONFIG_PARTICIPANT,
803 .rate_offset = 5,
804 .enable_reg = (void __iomem *)&CM_ICLKEN_DSP,
805 .enable_bit = 1, /* for ipi */
806 .recalc = &omap2_clksel_recalc,
807};
808
809static struct clk iva1_ifck = {
810 .name = "iva1_ifck",
811 .parent = &core_ck,
812 .flags = CLOCK_IN_OMAP242X | CM_DSP_SEL1 | RATE_CKCTL |
813 CONFIG_PARTICIPANT | RATE_PROPAGATES | DELAYED_APP,
814 .rate_offset= 8,
815 .enable_reg = (void __iomem *)&CM_FCLKEN_DSP,
816 .enable_bit = 10,
817 .recalc = &omap2_clksel_recalc,
818};
819
820/* IVA1 mpu/int/i/f clocks are /2 of parent */
821static struct clk iva1_mpu_int_ifck = {
822 .name = "iva1_mpu_int_ifck",
823 .parent = &iva1_ifck,
824 .flags = CLOCK_IN_OMAP242X | RATE_CKCTL | CM_DSP_SEL1,
825 .enable_reg = (void __iomem *)&CM_FCLKEN_DSP,
826 .enable_bit = 8,
827 .recalc = &omap2_clksel_recalc,
828};
829
830/*
831 * L3 clock domain
832 * L3 clocks are used for both interface and functional clocks to
833 * multiple entities. Some of these clocks are completely managed
834 * by hardware, and some others allow software control. Hardware
835 * managed ones general are based on directly CLK_REQ signals and
836 * various auto idle settings. The functional spec sets many of these
837 * as 'tie-high' for their enables.
838 *
839 * I-CLOCKS:
840 * L3-Interconnect, SMS, GPMC, SDRC, OCM_RAM, OCM_ROM, SDMA
841 * CAM, HS-USB.
842 * F-CLOCK
843 * SSI.
844 *
845 * GPMC memories and SDRC have timing and clock sensitive registers which
846 * may very well need notification when the clock changes. Currently for low
847 * operating points, these are taken care of in sleep.S.
848 */
849static struct clk core_l3_ck = { /* Used for ick and fck, interconnect */
850 .name = "core_l3_ck",
851 .parent = &core_ck,
852 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
853 RATE_CKCTL | ALWAYS_ENABLED | CM_CORE_SEL1 |
854 DELAYED_APP | CONFIG_PARTICIPANT |
855 RATE_PROPAGATES,
856 .rate_offset = 0,
857 .recalc = &omap2_clksel_recalc,
858};
859
860static struct clk usb_l4_ick = { /* FS-USB interface clock */
861 .name = "usb_l4_ick",
862 .parent = &core_ck,
863 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
864 RATE_CKCTL | CM_CORE_SEL1 | DELAYED_APP |
865 CONFIG_PARTICIPANT,
866 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
867 .enable_bit = 0,
868 .rate_offset = 25,
869 .recalc = &omap2_clksel_recalc,
870};
871
872/*
873 * SSI is in L3 management domain, its direct parent is core not l3,
874 * many core power domain entities are grouped into the L3 clock
875 * domain.
876 * SSI_SSR_FCLK, SSI_SST_FCLK, SSI_L4_CLIK
877 *
878 * ssr = core/1/2/3/4/5, sst = 1/2 ssr.
879 */
880static struct clk ssi_ssr_sst_fck = {
881 .name = "ssi_fck",
882 .parent = &core_ck,
883 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
884 RATE_CKCTL | CM_CORE_SEL1 | DELAYED_APP,
885 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE, /* bit 1 */
886 .enable_bit = 1,
887 .rate_offset = 20,
888 .recalc = &omap2_clksel_recalc,
889};
890
891/*
892 * GFX clock domain
893 * Clocks:
894 * GFX_FCLK, GFX_ICLK
895 * GFX_CG1(2d), GFX_CG2(3d)
896 *
897 * GFX_FCLK runs from L3, and is divided by (1,2,3,4)
898 * The 2d and 3d clocks run at a hardware determined
899 * divided value of fclk.
900 *
901 */
902static struct clk gfx_3d_fck = {
903 .name = "gfx_3d_fck",
904 .parent = &core_l3_ck,
905 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
906 RATE_CKCTL | CM_GFX_SEL1,
907 .enable_reg = (void __iomem *)&CM_FCLKEN_GFX,
908 .enable_bit = 2,
909 .rate_offset= 0,
910 .recalc = &omap2_clksel_recalc,
911};
912
913static struct clk gfx_2d_fck = {
914 .name = "gfx_2d_fck",
915 .parent = &core_l3_ck,
916 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
917 RATE_CKCTL | CM_GFX_SEL1,
918 .enable_reg = (void __iomem *)&CM_FCLKEN_GFX,
919 .enable_bit = 1,
920 .rate_offset= 0,
921 .recalc = &omap2_clksel_recalc,
922};
923
924static struct clk gfx_ick = {
925 .name = "gfx_ick", /* From l3 */
926 .parent = &core_l3_ck,
927 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
928 RATE_CKCTL,
929 .enable_reg = (void __iomem *)&CM_ICLKEN_GFX, /* bit 0 */
930 .enable_bit = 0,
931 .recalc = &omap2_followparent_recalc,
932};
933
934/*
935 * Modem clock domain (2430)
936 * CLOCKS:
937 * MDM_OSC_CLK
938 * MDM_ICLK
939 */
940static struct clk mdm_ick = { /* used both as a ick and fck */
941 .name = "mdm_ick",
942 .parent = &core_ck,
943 .flags = CLOCK_IN_OMAP243X | RATE_CKCTL | CM_MODEM_SEL1 |
944 DELAYED_APP | CONFIG_PARTICIPANT,
945 .rate_offset = 0,
946 .enable_reg = (void __iomem *)&CM_ICLKEN_MDM,
947 .enable_bit = 0,
948 .recalc = &omap2_clksel_recalc,
949};
950
951static struct clk mdm_osc_ck = {
952 .name = "mdm_osc_ck",
953 .rate = 26000000,
954 .parent = &osc_ck,
955 .flags = CLOCK_IN_OMAP243X | RATE_FIXED,
956 .enable_reg = (void __iomem *)&CM_FCLKEN_MDM,
957 .enable_bit = 1,
958 .recalc = &omap2_followparent_recalc,
959};
960
961/*
962 * L4 clock management domain
963 *
964 * This domain contains lots of interface clocks from the L4 interface, some
965 * functional clocks. Fixed APLL functional source clocks are managed in
966 * this domain.
967 */
968static struct clk l4_ck = { /* used both as an ick and fck */
969 .name = "l4_ck",
970 .parent = &core_l3_ck,
971 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
972 RATE_CKCTL | ALWAYS_ENABLED | CM_CORE_SEL1 |
973 DELAYED_APP | RATE_PROPAGATES,
974 .rate_offset = 5,
975 .recalc = &omap2_clksel_recalc,
976};
977
978static struct clk ssi_l4_ick = {
979 .name = "ssi_l4_ick",
980 .parent = &l4_ck,
981 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_CKCTL,
982 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE, /* bit 1 */
983 .enable_bit = 1,
984 .recalc = &omap2_followparent_recalc,
985};
986
987/*
988 * DSS clock domain
989 * CLOCKs:
990 * DSS_L4_ICLK, DSS_L3_ICLK,
991 * DSS_CLK1, DSS_CLK2, DSS_54MHz_CLK
992 *
993 * DSS is both initiator and target.
994 */
995static struct clk dss_ick = { /* Enables both L3,L4 ICLK's */
996 .name = "dss_ick",
997 .parent = &l4_ck, /* really both l3 and l4 */
998 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_CKCTL,
999 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1000 .enable_bit = 0,
1001 .recalc = &omap2_followparent_recalc,
1002};
1003
1004static struct clk dss1_fck = {
1005 .name = "dss1_fck",
1006 .parent = &core_ck, /* Core or sys */
1007 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1008 RATE_CKCTL | CM_CORE_SEL1 | DELAYED_APP,
1009 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1010 .enable_bit = 0,
1011 .rate_offset = 8,
1012 .src_offset = 8,
1013 .recalc = &omap2_clksel_recalc,
1014};
1015
1016static struct clk dss2_fck = { /* Alt clk used in power management */
1017 .name = "dss2_fck",
1018 .parent = &sys_ck, /* fixed at sys_ck or 48MHz */
1019 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1020 RATE_CKCTL | CM_CORE_SEL1 | RATE_FIXED,
1021 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1022 .enable_bit = 1,
1023 .src_offset = 13,
1024 .recalc = &omap2_followparent_recalc,
1025};
1026
1027static struct clk dss_54m_fck = { /* Alt clk used in power management */
1028 .name = "dss_54m_fck", /* 54m tv clk */
1029 .parent = &func_54m_ck,
1030 .rate = 54000000,
1031 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1032 RATE_FIXED | RATE_PROPAGATES,
1033 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1034 .enable_bit = 2,
1035 .recalc = &omap2_propagate_rate,
1036};
1037
1038/*
1039 * CORE power domain ICLK & FCLK defines.
1040 * Many of the these can have more than one possible parent. Entries
1041 * here will likely have an L4 interface parent, and may have multiple
1042 * functional clock parents.
1043 */
1044static struct clk gpt1_ick = {
1045 .name = "gpt1_ick",
1046 .parent = &l4_ck,
1047 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1048 .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP, /* Bit4 */
1049 .enable_bit = 0,
1050 .recalc = &omap2_followparent_recalc,
1051};
1052
1053static struct clk gpt1_fck = {
1054 .name = "gpt1_fck",
1055 .parent = &func_32k_ck,
1056 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1057 CM_WKUP_SEL1,
1058 .enable_reg = (void __iomem *)&CM_FCLKEN_WKUP,
1059 .enable_bit = 0,
1060 .src_offset = 0,
1061 .recalc = &omap2_followparent_recalc,
1062};
1063
1064static struct clk gpt2_ick = {
1065 .name = "gpt2_ick",
1066 .parent = &l4_ck,
1067 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1068 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit4 */
1069 .enable_bit = 0,
1070 .recalc = &omap2_followparent_recalc,
1071};
1072
1073static struct clk gpt2_fck = {
1074 .name = "gpt2_fck",
1075 .parent = &func_32k_ck,
1076 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1077 CM_CORE_SEL2,
1078 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1079 .enable_bit = 4,
1080 .src_offset = 2,
1081 .recalc = &omap2_followparent_recalc,
1082};
1083
1084static struct clk gpt3_ick = {
1085 .name = "gpt3_ick",
1086 .parent = &l4_ck,
1087 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1088 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* Bit5 */
1089 .enable_bit = 5,
1090 .recalc = &omap2_followparent_recalc,
1091};
1092
1093static struct clk gpt3_fck = {
1094 .name = "gpt3_fck",
1095 .parent = &func_32k_ck,
1096 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1097 CM_CORE_SEL2,
1098 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1099 .enable_bit = 5,
1100 .src_offset = 4,
1101 .recalc = &omap2_followparent_recalc,
1102};
1103
1104static struct clk gpt4_ick = {
1105 .name = "gpt4_ick",
1106 .parent = &l4_ck,
1107 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1108 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* Bit6 */
1109 .enable_bit = 6,
1110 .recalc = &omap2_followparent_recalc,
1111};
1112
1113static struct clk gpt4_fck = {
1114 .name = "gpt4_fck",
1115 .parent = &func_32k_ck,
1116 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1117 CM_CORE_SEL2,
1118 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1119 .enable_bit = 6,
1120 .src_offset = 6,
1121 .recalc = &omap2_followparent_recalc,
1122};
1123
1124static struct clk gpt5_ick = {
1125 .name = "gpt5_ick",
1126 .parent = &l4_ck,
1127 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1128 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* Bit7 */
1129 .enable_bit = 7,
1130 .recalc = &omap2_followparent_recalc,
1131};
1132
1133static struct clk gpt5_fck = {
1134 .name = "gpt5_fck",
1135 .parent = &func_32k_ck,
1136 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1137 CM_CORE_SEL2,
1138 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1139 .enable_bit = 7,
1140 .src_offset = 8,
1141 .recalc = &omap2_followparent_recalc,
1142};
1143
1144static struct clk gpt6_ick = {
1145 .name = "gpt6_ick",
1146 .parent = &l4_ck,
1147 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1148 .enable_bit = 8,
1149 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit8 */
1150 .recalc = &omap2_followparent_recalc,
1151};
1152
1153static struct clk gpt6_fck = {
1154 .name = "gpt6_fck",
1155 .parent = &func_32k_ck,
1156 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1157 CM_CORE_SEL2,
1158 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1159 .enable_bit = 8,
1160 .src_offset = 10,
1161 .recalc = &omap2_followparent_recalc,
1162};
1163
1164static struct clk gpt7_ick = {
1165 .name = "gpt7_ick",
1166 .parent = &l4_ck,
1167 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1168 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit9 */
1169 .enable_bit = 9,
1170 .recalc = &omap2_followparent_recalc,
1171};
1172
1173static struct clk gpt7_fck = {
1174 .name = "gpt7_fck",
1175 .parent = &func_32k_ck,
1176 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1177 CM_CORE_SEL2,
1178 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1179 .enable_bit = 9,
1180 .src_offset = 12,
1181 .recalc = &omap2_followparent_recalc,
1182};
1183
1184static struct clk gpt8_ick = {
1185 .name = "gpt8_ick",
1186 .parent = &l4_ck,
1187 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1188 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit10 */
1189 .enable_bit = 10,
1190 .recalc = &omap2_followparent_recalc,
1191};
1192
1193static struct clk gpt8_fck = {
1194 .name = "gpt8_fck",
1195 .parent = &func_32k_ck,
1196 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1197 CM_CORE_SEL2,
1198 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1199 .enable_bit = 10,
1200 .src_offset = 14,
1201 .recalc = &omap2_followparent_recalc,
1202};
1203
1204static struct clk gpt9_ick = {
1205 .name = "gpt9_ick",
1206 .parent = &l4_ck,
1207 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1208 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1209 .enable_bit = 11,
1210 .recalc = &omap2_followparent_recalc,
1211};
1212
1213static struct clk gpt9_fck = {
1214 .name = "gpt9_fck",
1215 .parent = &func_32k_ck,
1216 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1217 CM_CORE_SEL2,
1218 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1219 .enable_bit = 11,
1220 .src_offset = 16,
1221 .recalc = &omap2_followparent_recalc,
1222};
1223
1224static struct clk gpt10_ick = {
1225 .name = "gpt10_ick",
1226 .parent = &l4_ck,
1227 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1228 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1229 .enable_bit = 12,
1230 .recalc = &omap2_followparent_recalc,
1231};
1232
1233static struct clk gpt10_fck = {
1234 .name = "gpt10_fck",
1235 .parent = &func_32k_ck,
1236 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1237 CM_CORE_SEL2,
1238 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1239 .enable_bit = 12,
1240 .src_offset = 18,
1241 .recalc = &omap2_followparent_recalc,
1242};
1243
1244static struct clk gpt11_ick = {
1245 .name = "gpt11_ick",
1246 .parent = &l4_ck,
1247 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1248 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1249 .enable_bit = 13,
1250 .recalc = &omap2_followparent_recalc,
1251};
1252
1253static struct clk gpt11_fck = {
1254 .name = "gpt11_fck",
1255 .parent = &func_32k_ck,
1256 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1257 CM_CORE_SEL2,
1258 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1259 .enable_bit = 13,
1260 .src_offset = 20,
1261 .recalc = &omap2_followparent_recalc,
1262};
1263
1264static struct clk gpt12_ick = {
1265 .name = "gpt12_ick",
1266 .parent = &l4_ck,
1267 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1268 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit14 */
1269 .enable_bit = 14,
1270 .recalc = &omap2_followparent_recalc,
1271};
1272
1273static struct clk gpt12_fck = {
1274 .name = "gpt12_fck",
1275 .parent = &func_32k_ck,
1276 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1277 CM_CORE_SEL2,
1278 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1279 .enable_bit = 14,
1280 .src_offset = 22,
1281 .recalc = &omap2_followparent_recalc,
1282};
1283
1284static struct clk mcbsp1_ick = {
1285 .name = "mcbsp1_ick",
1286 .parent = &l4_ck,
1287 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1288 .enable_bit = 15,
1289 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit16 */
1290 .recalc = &omap2_followparent_recalc,
1291};
1292
1293static struct clk mcbsp1_fck = {
1294 .name = "mcbsp1_fck",
1295 .parent = &func_96m_ck,
1296 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1297 .enable_bit = 15,
1298 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1299 .recalc = &omap2_followparent_recalc,
1300};
1301
1302static struct clk mcbsp2_ick = {
1303 .name = "mcbsp2_ick",
1304 .parent = &l4_ck,
1305 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1306 .enable_bit = 16,
1307 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1308 .recalc = &omap2_followparent_recalc,
1309};
1310
1311static struct clk mcbsp2_fck = {
1312 .name = "mcbsp2_fck",
1313 .parent = &func_96m_ck,
1314 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1315 .enable_bit = 16,
1316 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1317 .recalc = &omap2_followparent_recalc,
1318};
1319
1320static struct clk mcbsp3_ick = {
1321 .name = "mcbsp3_ick",
1322 .parent = &l4_ck,
1323 .flags = CLOCK_IN_OMAP243X,
1324 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1325 .enable_bit = 3,
1326 .recalc = &omap2_followparent_recalc,
1327};
1328
1329static struct clk mcbsp3_fck = {
1330 .name = "mcbsp3_fck",
1331 .parent = &func_96m_ck,
1332 .flags = CLOCK_IN_OMAP243X,
1333 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1334 .enable_bit = 3,
1335 .recalc = &omap2_followparent_recalc,
1336};
1337
1338static struct clk mcbsp4_ick = {
1339 .name = "mcbsp4_ick",
1340 .parent = &l4_ck,
1341 .flags = CLOCK_IN_OMAP243X,
1342 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1343 .enable_bit = 4,
1344 .recalc = &omap2_followparent_recalc,
1345};
1346
1347static struct clk mcbsp4_fck = {
1348 .name = "mcbsp4_fck",
1349 .parent = &func_96m_ck,
1350 .flags = CLOCK_IN_OMAP243X,
1351 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1352 .enable_bit = 4,
1353 .recalc = &omap2_followparent_recalc,
1354};
1355
1356static struct clk mcbsp5_ick = {
1357 .name = "mcbsp5_ick",
1358 .parent = &l4_ck,
1359 .flags = CLOCK_IN_OMAP243X,
1360 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1361 .enable_bit = 5,
1362 .recalc = &omap2_followparent_recalc,
1363};
1364
1365static struct clk mcbsp5_fck = {
1366 .name = "mcbsp5_fck",
1367 .parent = &func_96m_ck,
1368 .flags = CLOCK_IN_OMAP243X,
1369 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1370 .enable_bit = 5,
1371 .recalc = &omap2_followparent_recalc,
1372};
1373
1374static struct clk mcspi1_ick = {
1375 .name = "mcspi1_ick",
1376 .parent = &l4_ck,
1377 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1378 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1379 .enable_bit = 17,
1380 .recalc = &omap2_followparent_recalc,
1381};
1382
1383static struct clk mcspi1_fck = {
1384 .name = "mcspi1_fck",
1385 .parent = &func_48m_ck,
1386 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1387 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1388 .enable_bit = 17,
1389 .recalc = &omap2_followparent_recalc,
1390};
1391
1392static struct clk mcspi2_ick = {
1393 .name = "mcspi2_ick",
1394 .parent = &l4_ck,
1395 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1396 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1397 .enable_bit = 18,
1398 .recalc = &omap2_followparent_recalc,
1399};
1400
1401static struct clk mcspi2_fck = {
1402 .name = "mcspi2_fck",
1403 .parent = &func_48m_ck,
1404 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1405 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1406 .enable_bit = 18,
1407 .recalc = &omap2_followparent_recalc,
1408};
1409
1410static struct clk mcspi3_ick = {
1411 .name = "mcspi3_ick",
1412 .parent = &l4_ck,
1413 .flags = CLOCK_IN_OMAP243X,
1414 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1415 .enable_bit = 9,
1416 .recalc = &omap2_followparent_recalc,
1417};
1418
1419static struct clk mcspi3_fck = {
1420 .name = "mcspi3_fck",
1421 .parent = &func_48m_ck,
1422 .flags = CLOCK_IN_OMAP243X,
1423 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1424 .enable_bit = 9,
1425 .recalc = &omap2_followparent_recalc,
1426};
1427
1428static struct clk uart1_ick = {
1429 .name = "uart1_ick",
1430 .parent = &l4_ck,
1431 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1432 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1433 .enable_bit = 21,
1434 .recalc = &omap2_followparent_recalc,
1435};
1436
1437static struct clk uart1_fck = {
1438 .name = "uart1_fck",
1439 .parent = &func_48m_ck,
1440 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1441 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1442 .enable_bit = 21,
1443 .recalc = &omap2_followparent_recalc,
1444};
1445
1446static struct clk uart2_ick = {
1447 .name = "uart2_ick",
1448 .parent = &l4_ck,
1449 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1450 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1451 .enable_bit = 22,
1452 .recalc = &omap2_followparent_recalc,
1453};
1454
1455static struct clk uart2_fck = {
1456 .name = "uart2_fck",
1457 .parent = &func_48m_ck,
1458 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1459 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1460 .enable_bit = 22,
1461 .recalc = &omap2_followparent_recalc,
1462};
1463
1464static struct clk uart3_ick = {
1465 .name = "uart3_ick",
1466 .parent = &l4_ck,
1467 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1468 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1469 .enable_bit = 2,
1470 .recalc = &omap2_followparent_recalc,
1471};
1472
1473static struct clk uart3_fck = {
1474 .name = "uart3_fck",
1475 .parent = &func_48m_ck,
1476 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1477 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1478 .enable_bit = 2,
1479 .recalc = &omap2_followparent_recalc,
1480};
1481
1482static struct clk gpios_ick = {
1483 .name = "gpios_ick",
1484 .parent = &l4_ck,
1485 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1486 .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP,
1487 .enable_bit = 2,
1488 .recalc = &omap2_followparent_recalc,
1489};
1490
1491static struct clk gpios_fck = {
1492 .name = "gpios_fck",
1493 .parent = &func_32k_ck,
1494 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1495 .enable_reg = (void __iomem *)&CM_FCLKEN_WKUP,
1496 .enable_bit = 2,
1497 .recalc = &omap2_followparent_recalc,
1498};
1499
1500static struct clk mpu_wdt_ick = {
1501 .name = "mpu_wdt_ick",
1502 .parent = &l4_ck,
1503 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1504 .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP,
1505 .enable_bit = 3,
1506 .recalc = &omap2_followparent_recalc,
1507};
1508
1509static struct clk mpu_wdt_fck = {
1510 .name = "mpu_wdt_fck",
1511 .parent = &func_32k_ck,
1512 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1513 .enable_reg = (void __iomem *)&CM_FCLKEN_WKUP,
1514 .enable_bit = 3,
1515 .recalc = &omap2_followparent_recalc,
1516};
1517
1518static struct clk sync_32k_ick = {
1519 .name = "sync_32k_ick",
1520 .parent = &l4_ck,
1521 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1522 .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP,
1523 .enable_bit = 1,
1524 .recalc = &omap2_followparent_recalc,
1525};
1526static struct clk wdt1_ick = {
1527 .name = "wdt1_ick",
1528 .parent = &l4_ck,
1529 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1530 .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP,
1531 .enable_bit = 4,
1532 .recalc = &omap2_followparent_recalc,
1533};
1534static struct clk omapctrl_ick = {
1535 .name = "omapctrl_ick",
1536 .parent = &l4_ck,
1537 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1538 .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP,
1539 .enable_bit = 5,
1540 .recalc = &omap2_followparent_recalc,
1541};
1542static struct clk icr_ick = {
1543 .name = "icr_ick",
1544 .parent = &l4_ck,
1545 .flags = CLOCK_IN_OMAP243X,
1546 .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP,
1547 .enable_bit = 6,
1548 .recalc = &omap2_followparent_recalc,
1549};
1550
1551static struct clk cam_ick = {
1552 .name = "cam_ick",
1553 .parent = &l4_ck,
1554 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1555 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1556 .enable_bit = 31,
1557 .recalc = &omap2_followparent_recalc,
1558};
1559
1560static struct clk cam_fck = {
1561 .name = "cam_fck",
1562 .parent = &func_96m_ck,
1563 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1564 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1565 .enable_bit = 31,
1566 .recalc = &omap2_followparent_recalc,
1567};
1568
1569static struct clk mailboxes_ick = {
1570 .name = "mailboxes_ick",
1571 .parent = &l4_ck,
1572 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1573 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1574 .enable_bit = 30,
1575 .recalc = &omap2_followparent_recalc,
1576};
1577
1578static struct clk wdt4_ick = {
1579 .name = "wdt4_ick",
1580 .parent = &l4_ck,
1581 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1582 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1583 .enable_bit = 29,
1584 .recalc = &omap2_followparent_recalc,
1585};
1586
1587static struct clk wdt4_fck = {
1588 .name = "wdt4_fck",
1589 .parent = &func_32k_ck,
1590 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1591 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1592 .enable_bit = 29,
1593 .recalc = &omap2_followparent_recalc,
1594};
1595
1596static struct clk wdt3_ick = {
1597 .name = "wdt3_ick",
1598 .parent = &l4_ck,
1599 .flags = CLOCK_IN_OMAP242X,
1600 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1601 .enable_bit = 28,
1602 .recalc = &omap2_followparent_recalc,
1603};
1604
1605static struct clk wdt3_fck = {
1606 .name = "wdt3_fck",
1607 .parent = &func_32k_ck,
1608 .flags = CLOCK_IN_OMAP242X,
1609 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1610 .enable_bit = 28,
1611 .recalc = &omap2_followparent_recalc,
1612};
1613
1614static struct clk mspro_ick = {
1615 .name = "mspro_ick",
1616 .parent = &l4_ck,
1617 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1618 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1619 .enable_bit = 27,
1620 .recalc = &omap2_followparent_recalc,
1621};
1622
1623static struct clk mspro_fck = {
1624 .name = "mspro_fck",
1625 .parent = &func_96m_ck,
1626 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1627 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1628 .enable_bit = 27,
1629 .recalc = &omap2_followparent_recalc,
1630};
1631
1632static struct clk mmc_ick = {
1633 .name = "mmc_ick",
1634 .parent = &l4_ck,
1635 .flags = CLOCK_IN_OMAP242X,
1636 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1637 .enable_bit = 26,
1638 .recalc = &omap2_followparent_recalc,
1639};
1640
1641static struct clk mmc_fck = {
1642 .name = "mmc_fck",
1643 .parent = &func_96m_ck,
1644 .flags = CLOCK_IN_OMAP242X,
1645 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1646 .enable_bit = 26,
1647 .recalc = &omap2_followparent_recalc,
1648};
1649
1650static struct clk fac_ick = {
1651 .name = "fac_ick",
1652 .parent = &l4_ck,
1653 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1654 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1655 .enable_bit = 25,
1656 .recalc = &omap2_followparent_recalc,
1657};
1658
1659static struct clk fac_fck = {
1660 .name = "fac_fck",
1661 .parent = &func_12m_ck,
1662 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1663 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1664 .enable_bit = 25,
1665 .recalc = &omap2_followparent_recalc,
1666};
1667
1668static struct clk eac_ick = {
1669 .name = "eac_ick",
1670 .parent = &l4_ck,
1671 .flags = CLOCK_IN_OMAP242X,
1672 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1673 .enable_bit = 24,
1674 .recalc = &omap2_followparent_recalc,
1675};
1676
1677static struct clk eac_fck = {
1678 .name = "eac_fck",
1679 .parent = &func_96m_ck,
1680 .flags = CLOCK_IN_OMAP242X,
1681 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1682 .enable_bit = 24,
1683 .recalc = &omap2_followparent_recalc,
1684};
1685
1686static struct clk hdq_ick = {
1687 .name = "hdq_ick",
1688 .parent = &l4_ck,
1689 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1690 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1691 .enable_bit = 23,
1692 .recalc = &omap2_followparent_recalc,
1693};
1694
1695static struct clk hdq_fck = {
1696 .name = "hdq_fck",
1697 .parent = &func_12m_ck,
1698 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1699 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1700 .enable_bit = 23,
1701 .recalc = &omap2_followparent_recalc,
1702};
1703
1704static struct clk i2c2_ick = {
1705 .name = "i2c2_ick",
1706 .parent = &l4_ck,
1707 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1708 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1709 .enable_bit = 20,
1710 .recalc = &omap2_followparent_recalc,
1711};
1712
1713static struct clk i2c2_fck = {
1714 .name = "i2c2_fck",
1715 .parent = &func_12m_ck,
1716 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1717 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1718 .enable_bit = 20,
1719 .recalc = &omap2_followparent_recalc,
1720};
1721
1722static struct clk i2chs2_fck = {
1723 .name = "i2chs2_fck",
1724 .parent = &func_96m_ck,
1725 .flags = CLOCK_IN_OMAP243X,
1726 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1727 .enable_bit = 20,
1728 .recalc = &omap2_followparent_recalc,
1729};
1730
1731static struct clk i2c1_ick = {
1732 .name = "i2c1_ick",
1733 .parent = &l4_ck,
1734 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1735 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1736 .enable_bit = 19,
1737 .recalc = &omap2_followparent_recalc,
1738};
1739
1740static struct clk i2c1_fck = {
1741 .name = "i2c1_fck",
1742 .parent = &func_12m_ck,
1743 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1744 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1745 .enable_bit = 19,
1746 .recalc = &omap2_followparent_recalc,
1747};
1748
1749static struct clk i2chs1_fck = {
1750 .name = "i2chs1_fck",
1751 .parent = &func_96m_ck,
1752 .flags = CLOCK_IN_OMAP243X,
1753 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1754 .enable_bit = 19,
1755 .recalc = &omap2_followparent_recalc,
1756};
1757
1758static struct clk vlynq_ick = {
1759 .name = "vlynq_ick",
1760 .parent = &core_l3_ck,
1761 .flags = CLOCK_IN_OMAP242X,
1762 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1763 .enable_bit = 3,
1764 .recalc = &omap2_followparent_recalc,
1765};
1766
1767static struct clk vlynq_fck = {
1768 .name = "vlynq_fck",
1769 .parent = &func_96m_ck,
1770 .flags = CLOCK_IN_OMAP242X | RATE_CKCTL | CM_CORE_SEL1 | DELAYED_APP,
1771 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1772 .enable_bit = 3,
1773 .src_offset = 15,
1774 .recalc = &omap2_followparent_recalc,
1775};
1776
1777static struct clk sdrc_ick = {
1778 .name = "sdrc_ick",
1779 .parent = &l4_ck,
1780 .flags = CLOCK_IN_OMAP243X,
1781 .enable_reg = (void __iomem *)&CM_ICLKEN3_CORE,
1782 .enable_bit = 2,
1783 .recalc = &omap2_followparent_recalc,
1784};
1785
1786static struct clk des_ick = {
1787 .name = "des_ick",
1788 .parent = &l4_ck,
1789 .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X,
1790 .enable_reg = (void __iomem *)&CM_ICLKEN4_CORE,
1791 .enable_bit = 0,
1792 .recalc = &omap2_followparent_recalc,
1793};
1794
1795static struct clk sha_ick = {
1796 .name = "sha_ick",
1797 .parent = &l4_ck,
1798 .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X,
1799 .enable_reg = (void __iomem *)&CM_ICLKEN4_CORE,
1800 .enable_bit = 1,
1801 .recalc = &omap2_followparent_recalc,
1802};
1803
1804static struct clk rng_ick = {
1805 .name = "rng_ick",
1806 .parent = &l4_ck,
1807 .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X,
1808 .enable_reg = (void __iomem *)&CM_ICLKEN4_CORE,
1809 .enable_bit = 2,
1810 .recalc = &omap2_followparent_recalc,
1811};
1812
1813static struct clk aes_ick = {
1814 .name = "aes_ick",
1815 .parent = &l4_ck,
1816 .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X,
1817 .enable_reg = (void __iomem *)&CM_ICLKEN4_CORE,
1818 .enable_bit = 3,
1819 .recalc = &omap2_followparent_recalc,
1820};
1821
1822static struct clk pka_ick = {
1823 .name = "pka_ick",
1824 .parent = &l4_ck,
1825 .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X,
1826 .enable_reg = (void __iomem *)&CM_ICLKEN4_CORE,
1827 .enable_bit = 4,
1828 .recalc = &omap2_followparent_recalc,
1829};
1830
1831static struct clk usb_fck = {
1832 .name = "usb_fck",
1833 .parent = &func_48m_ck,
1834 .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X,
1835 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1836 .enable_bit = 0,
1837 .recalc = &omap2_followparent_recalc,
1838};
1839
1840static struct clk usbhs_ick = {
1841 .name = "usbhs_ick",
1842 .parent = &l4_ck,
1843 .flags = CLOCK_IN_OMAP243X,
1844 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1845 .enable_bit = 6,
1846 .recalc = &omap2_followparent_recalc,
1847};
1848
1849static struct clk mmchs1_ick = {
1850 .name = "mmchs1_ick",
1851 .parent = &l4_ck,
1852 .flags = CLOCK_IN_OMAP243X,
1853 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1854 .enable_bit = 7,
1855 .recalc = &omap2_followparent_recalc,
1856};
1857
1858static struct clk mmchs1_fck = {
1859 .name = "mmchs1_fck",
1860 .parent = &func_96m_ck,
1861 .flags = CLOCK_IN_OMAP243X,
1862 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1863 .enable_bit = 7,
1864 .recalc = &omap2_followparent_recalc,
1865};
1866
1867static struct clk mmchs2_ick = {
1868 .name = "mmchs2_ick",
1869 .parent = &l4_ck,
1870 .flags = CLOCK_IN_OMAP243X,
1871 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1872 .enable_bit = 8,
1873 .recalc = &omap2_followparent_recalc,
1874};
1875
1876static struct clk mmchs2_fck = {
1877 .name = "mmchs2_fck",
1878 .parent = &func_96m_ck,
1879 .flags = CLOCK_IN_OMAP243X,
1880 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1881 .enable_bit = 8,
1882 .recalc = &omap2_followparent_recalc,
1883};
1884
1885static struct clk gpio5_ick = {
1886 .name = "gpio5_ick",
1887 .parent = &l4_ck,
1888 .flags = CLOCK_IN_OMAP243X,
1889 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1890 .enable_bit = 10,
1891 .recalc = &omap2_followparent_recalc,
1892};
1893
1894static struct clk gpio5_fck = {
1895 .name = "gpio5_fck",
1896 .parent = &func_32k_ck,
1897 .flags = CLOCK_IN_OMAP243X,
1898 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1899 .enable_bit = 10,
1900 .recalc = &omap2_followparent_recalc,
1901};
1902
1903static struct clk mdm_intc_ick = {
1904 .name = "mdm_intc_ick",
1905 .parent = &l4_ck,
1906 .flags = CLOCK_IN_OMAP243X,
1907 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1908 .enable_bit = 11,
1909 .recalc = &omap2_followparent_recalc,
1910};
1911
1912static struct clk mmchsdb1_fck = {
1913 .name = "mmchsdb1_fck",
1914 .parent = &func_32k_ck,
1915 .flags = CLOCK_IN_OMAP243X,
1916 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1917 .enable_bit = 16,
1918 .recalc = &omap2_followparent_recalc,
1919};
1920
1921static struct clk mmchsdb2_fck = {
1922 .name = "mmchsdb2_fck",
1923 .parent = &func_32k_ck,
1924 .flags = CLOCK_IN_OMAP243X,
1925 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1926 .enable_bit = 17,
1927 .recalc = &omap2_followparent_recalc,
1928};
1929
1930/*
1931 * This clock is a composite clock which does entire set changes then
1932 * forces a rebalance. It keys on the MPU speed, but it really could
1933 * be any key speed part of a set in the rate table.
1934 *
1935 * to really change a set, you need memory table sets which get changed
1936 * in sram, pre-notifiers & post notifiers, changing the top set, without
1937 * having low level display recalc's won't work... this is why dpm notifiers
1938 * work, isr's off, walk a list of clocks already _off_ and not messing with
1939 * the bus.
1940 *
1941 * This clock should have no parent. It embodies the entire upper level
1942 * active set. A parent will mess up some of the init also.
1943 */
1944static struct clk virt_prcm_set = {
1945 .name = "virt_prcm_set",
1946 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1947 VIRTUAL_CLOCK | ALWAYS_ENABLED | DELAYED_APP,
1948 .parent = &mpu_ck, /* Indexed by mpu speed, no parent */
1949 .recalc = &omap2_mpu_recalc, /* sets are keyed on mpu rate */
1950 .set_rate = &omap2_select_table_rate,
1951 .round_rate = &omap2_round_to_table_rate,
1952};
1953
1954static struct clk *onchip_clks[] = {
1955 /* external root sources */
1956 &func_32k_ck,
1957 &osc_ck,
1958 &sys_ck,
1959 &alt_ck,
1960 /* internal analog sources */
1961 &dpll_ck,
1962 &apll96_ck,
1963 &apll54_ck,
1964 /* internal prcm root sources */
1965 &func_54m_ck,
1966 &core_ck,
1967 &sleep_ck,
1968 &func_96m_ck,
1969 &func_48m_ck,
1970 &func_12m_ck,
1971 &wdt1_osc_ck,
1972 &sys_clkout,
1973 &sys_clkout2,
1974 /* mpu domain clocks */
1975 &mpu_ck,
1976 /* dsp domain clocks */
1977 &iva2_1_fck, /* 2430 */
1978 &iva2_1_ick,
1979 &dsp_ick, /* 2420 */
1980 &dsp_fck,
1981 &iva1_ifck,
1982 &iva1_mpu_int_ifck,
1983 /* GFX domain clocks */
1984 &gfx_3d_fck,
1985 &gfx_2d_fck,
1986 &gfx_ick,
1987 /* Modem domain clocks */
1988 &mdm_ick,
1989 &mdm_osc_ck,
1990 /* DSS domain clocks */
1991 &dss_ick,
1992 &dss1_fck,
1993 &dss2_fck,
1994 &dss_54m_fck,
1995 /* L3 domain clocks */
1996 &core_l3_ck,
1997 &ssi_ssr_sst_fck,
1998 &usb_l4_ick,
1999 /* L4 domain clocks */
2000 &l4_ck, /* used as both core_l4 and wu_l4 */
2001 &ssi_l4_ick,
2002 /* virtual meta-group clock */
2003 &virt_prcm_set,
2004 /* general l4 interface ck, multi-parent functional clk */
2005 &gpt1_ick,
2006 &gpt1_fck,
2007 &gpt2_ick,
2008 &gpt2_fck,
2009 &gpt3_ick,
2010 &gpt3_fck,
2011 &gpt4_ick,
2012 &gpt4_fck,
2013 &gpt5_ick,
2014 &gpt5_fck,
2015 &gpt6_ick,
2016 &gpt6_fck,
2017 &gpt7_ick,
2018 &gpt7_fck,
2019 &gpt8_ick,
2020 &gpt8_fck,
2021 &gpt9_ick,
2022 &gpt9_fck,
2023 &gpt10_ick,
2024 &gpt10_fck,
2025 &gpt11_ick,
2026 &gpt11_fck,
2027 &gpt12_ick,
2028 &gpt12_fck,
2029 &mcbsp1_ick,
2030 &mcbsp1_fck,
2031 &mcbsp2_ick,
2032 &mcbsp2_fck,
2033 &mcbsp3_ick,
2034 &mcbsp3_fck,
2035 &mcbsp4_ick,
2036 &mcbsp4_fck,
2037 &mcbsp5_ick,
2038 &mcbsp5_fck,
2039 &mcspi1_ick,
2040 &mcspi1_fck,
2041 &mcspi2_ick,
2042 &mcspi2_fck,
2043 &mcspi3_ick,
2044 &mcspi3_fck,
2045 &uart1_ick,
2046 &uart1_fck,
2047 &uart2_ick,
2048 &uart2_fck,
2049 &uart3_ick,
2050 &uart3_fck,
2051 &gpios_ick,
2052 &gpios_fck,
2053 &mpu_wdt_ick,
2054 &mpu_wdt_fck,
2055 &sync_32k_ick,
2056 &wdt1_ick,
2057 &omapctrl_ick,
2058 &icr_ick,
2059 &cam_fck,
2060 &cam_ick,
2061 &mailboxes_ick,
2062 &wdt4_ick,
2063 &wdt4_fck,
2064 &wdt3_ick,
2065 &wdt3_fck,
2066 &mspro_ick,
2067 &mspro_fck,
2068 &mmc_ick,
2069 &mmc_fck,
2070 &fac_ick,
2071 &fac_fck,
2072 &eac_ick,
2073 &eac_fck,
2074 &hdq_ick,
2075 &hdq_fck,
2076 &i2c1_ick,
2077 &i2c1_fck,
2078 &i2chs1_fck,
2079 &i2c2_ick,
2080 &i2c2_fck,
2081 &i2chs2_fck,
2082 &vlynq_ick,
2083 &vlynq_fck,
2084 &sdrc_ick,
2085 &des_ick,
2086 &sha_ick,
2087 &rng_ick,
2088 &aes_ick,
2089 &pka_ick,
2090 &usb_fck,
2091 &usbhs_ick,
2092 &mmchs1_ick,
2093 &mmchs1_fck,
2094 &mmchs2_ick,
2095 &mmchs2_fck,
2096 &gpio5_ick,
2097 &gpio5_fck,
2098 &mdm_intc_ick,
2099 &mmchsdb1_fck,
2100 &mmchsdb2_fck,
2101};
2102
2103#endif
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
new file mode 100644
index 000000000000..7181edb89352
--- /dev/null
+++ b/arch/arm/mach-omap2/devices.c
@@ -0,0 +1,89 @@
1/*
2 * linux/arch/arm/mach-omap2/devices.c
3 *
4 * OMAP2 platform device setup/initialization
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 */
11
12#include <linux/config.h>
13#include <linux/module.h>
14#include <linux/kernel.h>
15#include <linux/init.h>
16#include <linux/platform_device.h>
17
18#include <asm/hardware.h>
19#include <asm/io.h>
20#include <asm/mach-types.h>
21#include <asm/mach/map.h>
22
23#include <asm/arch/tc.h>
24#include <asm/arch/board.h>
25#include <asm/arch/mux.h>
26#include <asm/arch/gpio.h>
27
28extern void omap_nop_release(struct device *dev);
29
30/*-------------------------------------------------------------------------*/
31
32#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
33
34#define OMAP2_I2C_BASE2 0x48072000
35#define OMAP2_I2C_INT2 57
36
37static struct resource i2c_resources2[] = {
38 {
39 .start = OMAP2_I2C_BASE2,
40 .end = OMAP2_I2C_BASE2 + 0x3f,
41 .flags = IORESOURCE_MEM,
42 },
43 {
44 .start = OMAP2_I2C_INT2,
45 .flags = IORESOURCE_IRQ,
46 },
47};
48
49static struct platform_device omap_i2c_device2 = {
50 .name = "i2c_omap",
51 .id = 2,
52 .dev = {
53 .release = omap_nop_release,
54 },
55 .num_resources = ARRAY_SIZE(i2c_resources2),
56 .resource = i2c_resources2,
57};
58
59/* See also arch/arm/plat-omap/devices.c for first I2C on 24xx */
60static void omap_init_i2c(void)
61{
62 /* REVISIT: Second I2C not in use on H4? */
63 if (machine_is_omap_h4())
64 return;
65
66 omap_cfg_reg(J15_24XX_I2C2_SCL);
67 omap_cfg_reg(H19_24XX_I2C2_SDA);
68 (void) platform_device_register(&omap_i2c_device2);
69}
70
71#else
72
73static void omap_init_i2c(void) {}
74
75#endif
76
77/*-------------------------------------------------------------------------*/
78
79static int __init omap2_init_devices(void)
80{
81 /* please keep these calls, and their implementations above,
82 * in alphabetical order so they're easier to sort through.
83 */
84 omap_init_i2c();
85
86 return 0;
87}
88arch_initcall(omap2_init_devices);
89
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
new file mode 100644
index 000000000000..76187300f2b6
--- /dev/null
+++ b/arch/arm/mach-omap2/id.c
@@ -0,0 +1,124 @@
1/*
2 * linux/arch/arm/mach-omap2/id.c
3 *
4 * OMAP2 CPU identification code
5 *
6 * Copyright (C) 2005 Nokia Corporation
7 * Written by Tony Lindgren <tony@atomide.com>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#include <linux/config.h>
15#include <linux/module.h>
16#include <linux/kernel.h>
17#include <linux/init.h>
18
19#include <asm/io.h>
20
21#define OMAP24XX_TAP_BASE io_p2v(0x48014000)
22
23#define OMAP_TAP_IDCODE 0x0204
24#define OMAP_TAP_PROD_ID 0x0208
25
26#define OMAP_TAP_DIE_ID_0 0x0218
27#define OMAP_TAP_DIE_ID_1 0x021C
28#define OMAP_TAP_DIE_ID_2 0x0220
29#define OMAP_TAP_DIE_ID_3 0x0224
30
31/* system_rev fields for OMAP2 processors:
32 * CPU id bits [31:16],
33 * CPU device type [15:12], (unprg,normal,POP)
34 * CPU revision [11:08]
35 * CPU class bits [07:00]
36 */
37
38struct omap_id {
39 u16 hawkeye; /* Silicon type (Hawkeye id) */
40 u8 dev; /* Device type from production_id reg */
41 u32 type; /* combined type id copied to system_rev */
42};
43
44/* Register values to detect the OMAP version */
45static struct omap_id omap_ids[] __initdata = {
46 { .hawkeye = 0xb5d9, .dev = 0x0, .type = 0x24200000 },
47 { .hawkeye = 0xb5d9, .dev = 0x1, .type = 0x24201000 },
48 { .hawkeye = 0xb5d9, .dev = 0x2, .type = 0x24202000 },
49 { .hawkeye = 0xb5d9, .dev = 0x4, .type = 0x24220000 },
50 { .hawkeye = 0xb5d9, .dev = 0x8, .type = 0x24230000 },
51 { .hawkeye = 0xb68a, .dev = 0x0, .type = 0x24300000 },
52};
53
54static u32 __init read_tap_reg(int reg)
55{
56 return __raw_readl(OMAP24XX_TAP_BASE + reg);
57}
58
59void __init omap2_check_revision(void)
60{
61 int i, j;
62 u32 idcode;
63 u32 prod_id;
64 u16 hawkeye;
65 u8 dev_type;
66 u8 rev;
67
68 idcode = read_tap_reg(OMAP_TAP_IDCODE);
69 prod_id = read_tap_reg(OMAP_TAP_PROD_ID);
70 hawkeye = (idcode >> 12) & 0xffff;
71 rev = (idcode >> 28) & 0x0f;
72 dev_type = (prod_id >> 16) & 0x0f;
73
74#ifdef DEBUG
75 printk(KERN_DEBUG "OMAP_TAP_IDCODE 0x%08x REV %i HAWKEYE 0x%04x MANF %03x\n",
76 idcode, rev, hawkeye, (idcode >> 1) & 0x7ff);
77 printk(KERN_DEBUG "OMAP_TAP_DIE_ID_0: 0x%08x\n",
78 read_tap_reg(OMAP_TAP_DIE_ID_0));
79 printk(KERN_DEBUG "OMAP_TAP_DIE_ID_1: 0x%08x DEV_REV: %i\n",
80 read_tap_reg(OMAP_TAP_DIE_ID_1),
81 (read_tap_reg(OMAP_TAP_DIE_ID_1) >> 28) & 0xf);
82 printk(KERN_DEBUG "OMAP_TAP_DIE_ID_2: 0x%08x\n",
83 read_tap_reg(OMAP_TAP_DIE_ID_2));
84 printk(KERN_DEBUG "OMAP_TAP_DIE_ID_3: 0x%08x\n",
85 read_tap_reg(OMAP_TAP_DIE_ID_3));
86 printk(KERN_DEBUG "OMAP_TAP_PROD_ID_0: 0x%08x DEV_TYPE: %i\n",
87 prod_id, dev_type);
88#endif
89
90 /* Check hawkeye ids */
91 for (i = 0; i < ARRAY_SIZE(omap_ids); i++) {
92 if (hawkeye == omap_ids[i].hawkeye)
93 break;
94 }
95
96 if (i == ARRAY_SIZE(omap_ids)) {
97 printk(KERN_ERR "Unknown OMAP CPU id\n");
98 return;
99 }
100
101 for (j = i; j < ARRAY_SIZE(omap_ids); j++) {
102 if (dev_type == omap_ids[j].dev)
103 break;
104 }
105
106 if (j == ARRAY_SIZE(omap_ids)) {
107 printk(KERN_ERR "Unknown OMAP device type. "
108 "Handling it as OMAP%04x\n",
109 omap_ids[i].type >> 16);
110 j = i;
111 }
112 system_rev = omap_ids[j].type;
113
114 system_rev |= rev << 8;
115
116 /* Add the cpu class info (24xx) */
117 system_rev |= 0x24;
118
119 pr_info("OMAP%04x", system_rev >> 16);
120 if ((system_rev >> 8) & 0x0f)
121 printk("%x", (system_rev >> 8) & 0x0f);
122 printk("\n");
123}
124
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
new file mode 100644
index 000000000000..8ea67bf196a5
--- /dev/null
+++ b/arch/arm/mach-omap2/io.c
@@ -0,0 +1,53 @@
1/*
2 * linux/arch/arm/mach-omap2/io.c
3 *
4 * OMAP2 I/O mapping code
5 *
6 * Copyright (C) 2005 Nokia Corporation
7 * Author: Juha Yrjölä <juha.yrjola@nokia.com>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#include <linux/config.h>
15#include <linux/module.h>
16#include <linux/kernel.h>
17#include <linux/init.h>
18
19#include <asm/mach/map.h>
20#include <asm/io.h>
21#include <asm/arch/mux.h>
22
23extern void omap_sram_init(void);
24extern int omap2_clk_init(void);
25extern void omap2_check_revision(void);
26
27/*
28 * The machine specific code may provide the extra mapping besides the
29 * default mapping provided here.
30 */
31static struct map_desc omap2_io_desc[] __initdata = {
32 {
33 .virtual = L3_24XX_VIRT,
34 .pfn = __phys_to_pfn(L3_24XX_PHYS),
35 .length = L3_24XX_SIZE,
36 .type = MT_DEVICE
37 },
38 {
39 .virtual = L4_24XX_VIRT,
40 .pfn = __phys_to_pfn(L4_24XX_PHYS),
41 .length = L4_24XX_SIZE,
42 .type = MT_DEVICE
43 }
44};
45
46void __init omap_map_common_io(void)
47{
48 iotable_init(omap2_io_desc, ARRAY_SIZE(omap2_io_desc));
49 omap2_check_revision();
50 omap_sram_init();
51 omap2_mux_init();
52 omap2_clk_init();
53}
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
new file mode 100644
index 000000000000..d7baff675cfe
--- /dev/null
+++ b/arch/arm/mach-omap2/irq.c
@@ -0,0 +1,149 @@
1/*
2 * linux/arch/arm/mach-omap/omap2/irq.c
3 *
4 * Interrupt handler for OMAP2 boards.
5 *
6 * Copyright (C) 2005 Nokia Corporation
7 * Author: Paul Mundt <paul.mundt@nokia.com>
8 *
9 * This file is subject to the terms and conditions of the GNU General Public
10 * License. See the file "COPYING" in the main directory of this archive
11 * for more details.
12 */
13#include <linux/kernel.h>
14#include <linux/init.h>
15#include <linux/config.h>
16#include <linux/interrupt.h>
17#include <asm/hardware.h>
18#include <asm/mach/irq.h>
19#include <asm/irq.h>
20#include <asm/io.h>
21
22#define INTC_REVISION 0x0000
23#define INTC_SYSCONFIG 0x0010
24#define INTC_SYSSTATUS 0x0014
25#define INTC_CONTROL 0x0048
26#define INTC_MIR_CLEAR0 0x0088
27#define INTC_MIR_SET0 0x008c
28
29/*
30 * OMAP2 has a number of different interrupt controllers, each interrupt
31 * controller is identified as its own "bank". Register definitions are
32 * fairly consistent for each bank, but not all registers are implemented
33 * for each bank.. when in doubt, consult the TRM.
34 */
35static struct omap_irq_bank {
36 unsigned long base_reg;
37 unsigned int nr_irqs;
38} __attribute__ ((aligned(4))) irq_banks[] = {
39 {
40 /* MPU INTC */
41 .base_reg = OMAP24XX_IC_BASE,
42 .nr_irqs = 96,
43 }, {
44 /* XXX: DSP INTC */
45
46#if 0
47 /*
48 * Commented out for now until we fix the IVA clocking
49 */
50#ifdef CONFIG_ARCH_OMAP2420
51 }, {
52 /* IVA INTC (2420 only) */
53 .base_reg = OMAP24XX_IVA_INTC_BASE,
54 .nr_irqs = 16, /* Actually 32, but only 16 are used */
55#endif
56#endif
57 }
58};
59
60/* XXX: FIQ and additional INTC support (only MPU at the moment) */
61static void omap_ack_irq(unsigned int irq)
62{
63 omap_writel(0x1, irq_banks[0].base_reg + INTC_CONTROL);
64}
65
66static void omap_mask_irq(unsigned int irq)
67{
68 int offset = (irq >> 5) << 5;
69
70 if (irq >= 64) {
71 irq %= 64;
72 } else if (irq >= 32) {
73 irq %= 32;
74 }
75
76 omap_writel(1 << irq, irq_banks[0].base_reg + INTC_MIR_SET0 + offset);
77}
78
79static void omap_unmask_irq(unsigned int irq)
80{
81 int offset = (irq >> 5) << 5;
82
83 if (irq >= 64) {
84 irq %= 64;
85 } else if (irq >= 32) {
86 irq %= 32;
87 }
88
89 omap_writel(1 << irq, irq_banks[0].base_reg + INTC_MIR_CLEAR0 + offset);
90}
91
92static void omap_mask_ack_irq(unsigned int irq)
93{
94 omap_mask_irq(irq);
95 omap_ack_irq(irq);
96}
97
98static struct irqchip omap_irq_chip = {
99 .ack = omap_mask_ack_irq,
100 .mask = omap_mask_irq,
101 .unmask = omap_unmask_irq,
102};
103
104static void __init omap_irq_bank_init_one(struct omap_irq_bank *bank)
105{
106 unsigned long tmp;
107
108 tmp = omap_readl(bank->base_reg + INTC_REVISION) & 0xff;
109 printk(KERN_INFO "IRQ: Found an INTC at 0x%08lx "
110 "(revision %ld.%ld) with %d interrupts\n",
111 bank->base_reg, tmp >> 4, tmp & 0xf, bank->nr_irqs);
112
113 tmp = omap_readl(bank->base_reg + INTC_SYSCONFIG);
114 tmp |= 1 << 1; /* soft reset */
115 omap_writel(tmp, bank->base_reg + INTC_SYSCONFIG);
116
117 while (!(omap_readl(bank->base_reg + INTC_SYSSTATUS) & 0x1))
118 /* Wait for reset to complete */;
119}
120
121void __init omap_init_irq(void)
122{
123 unsigned long nr_irqs = 0;
124 unsigned int nr_banks = 0;
125 int i;
126
127 for (i = 0; i < ARRAY_SIZE(irq_banks); i++) {
128 struct omap_irq_bank *bank = irq_banks + i;
129
130 /* XXX */
131 if (!bank->base_reg)
132 continue;
133
134 omap_irq_bank_init_one(bank);
135
136 nr_irqs += bank->nr_irqs;
137 nr_banks++;
138 }
139
140 printk(KERN_INFO "Total of %ld interrupts on %d active controller%s\n",
141 nr_irqs, nr_banks, nr_banks > 1 ? "s" : "");
142
143 for (i = 0; i < nr_irqs; i++) {
144 set_irq_chip(i, &omap_irq_chip);
145 set_irq_handler(i, do_level_IRQ);
146 set_irq_flags(i, IRQF_VALID);
147 }
148}
149
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
new file mode 100644
index 000000000000..ea4654815dd1
--- /dev/null
+++ b/arch/arm/mach-omap2/mux.c
@@ -0,0 +1,65 @@
1/*
2 * linux/arch/arm/mach-omap2/mux.c
3 *
4 * OMAP1 pin multiplexing configurations
5 *
6 * Copyright (C) 2003 - 2005 Nokia Corporation
7 *
8 * Written by Tony Lindgren <tony.lindgren@nokia.com>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 */
25#include <linux/config.h>
26#include <linux/module.h>
27#include <linux/init.h>
28#include <asm/system.h>
29#include <asm/io.h>
30#include <linux/spinlock.h>
31
32#include <asm/arch/mux.h>
33
34#ifdef CONFIG_OMAP_MUX
35
36/* NOTE: See mux.h for the enumeration */
37
38struct pin_config __initdata_or_module omap24xx_pins[] = {
39/*
40 * description mux mux pull pull debug
41 * offset mode ena type
42 */
43
44/* 24xx I2C */
45MUX_CFG_24XX("M19_24XX_I2C1_SCL", 0x111, 0, 0, 0, 1)
46MUX_CFG_24XX("L15_24XX_I2C1_SDA", 0x112, 0, 0, 0, 1)
47MUX_CFG_24XX("J15_24XX_I2C2_SCL", 0x113, 0, 0, 0, 1)
48MUX_CFG_24XX("H19_24XX_I2C2_SDA", 0x114, 0, 0, 0, 1)
49
50/* Menelaus interrupt */
51MUX_CFG_24XX("W19_24XX_SYS_NIRQ", 0x12c, 0, 1, 1, 1)
52
53/* 24xx GPIO */
54MUX_CFG_24XX("Y20_24XX_GPIO60", 0x12c, 3, 0, 0, 1)
55MUX_CFG_24XX("M15_24XX_GPIO92", 0x10a, 3, 0, 0, 1)
56
57};
58
59int __init omap2_mux_init(void)
60{
61 omap_mux_register(omap24xx_pins, ARRAY_SIZE(omap24xx_pins));
62 return 0;
63}
64
65#endif
diff --git a/arch/arm/mach-omap2/prcm.h b/arch/arm/mach-omap2/prcm.h
new file mode 100644
index 000000000000..2eb89b936c83
--- /dev/null
+++ b/arch/arm/mach-omap2/prcm.h
@@ -0,0 +1,419 @@
1/*
2 * prcm.h - Access definations for use in OMAP24XX clock and power management
3 *
4 * Copyright (C) 2005 Texas Instruments, Inc.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#ifndef __ASM_ARM_ARCH_DPM_PRCM_H
22#define __ASM_ARM_ARCH_DPM_PRCM_H
23
24/* SET_PERFORMANCE_LEVEL PARAMETERS */
25#define PRCM_HALF_SPEED 1
26#define PRCM_FULL_SPEED 2
27
28#ifndef __ASSEMBLER__
29
30#define PRCM_REG32(offset) __REG32(OMAP24XX_PRCM_BASE + (offset))
31
32#define PRCM_REVISION PRCM_REG32(0x000)
33#define PRCM_SYSCONFIG PRCM_REG32(0x010)
34#define PRCM_IRQSTATUS_MPU PRCM_REG32(0x018)
35#define PRCM_IRQENABLE_MPU PRCM_REG32(0x01C)
36#define PRCM_VOLTCTRL PRCM_REG32(0x050)
37#define PRCM_VOLTST PRCM_REG32(0x054)
38#define PRCM_CLKSRC_CTRL PRCM_REG32(0x060)
39#define PRCM_CLKOUT_CTRL PRCM_REG32(0x070)
40#define PRCM_CLKEMUL_CTRL PRCM_REG32(0x078)
41#define PRCM_CLKCFG_CTRL PRCM_REG32(0x080)
42#define PRCM_CLKCFG_STATUS PRCM_REG32(0x084)
43#define PRCM_VOLTSETUP PRCM_REG32(0x090)
44#define PRCM_CLKSSETUP PRCM_REG32(0x094)
45#define PRCM_POLCTRL PRCM_REG32(0x098)
46
47/* GENERAL PURPOSE */
48#define GENERAL_PURPOSE1 PRCM_REG32(0x0B0)
49#define GENERAL_PURPOSE2 PRCM_REG32(0x0B4)
50#define GENERAL_PURPOSE3 PRCM_REG32(0x0B8)
51#define GENERAL_PURPOSE4 PRCM_REG32(0x0BC)
52#define GENERAL_PURPOSE5 PRCM_REG32(0x0C0)
53#define GENERAL_PURPOSE6 PRCM_REG32(0x0C4)
54#define GENERAL_PURPOSE7 PRCM_REG32(0x0C8)
55#define GENERAL_PURPOSE8 PRCM_REG32(0x0CC)
56#define GENERAL_PURPOSE9 PRCM_REG32(0x0D0)
57#define GENERAL_PURPOSE10 PRCM_REG32(0x0D4)
58#define GENERAL_PURPOSE11 PRCM_REG32(0x0D8)
59#define GENERAL_PURPOSE12 PRCM_REG32(0x0DC)
60#define GENERAL_PURPOSE13 PRCM_REG32(0x0E0)
61#define GENERAL_PURPOSE14 PRCM_REG32(0x0E4)
62#define GENERAL_PURPOSE15 PRCM_REG32(0x0E8)
63#define GENERAL_PURPOSE16 PRCM_REG32(0x0EC)
64#define GENERAL_PURPOSE17 PRCM_REG32(0x0F0)
65#define GENERAL_PURPOSE18 PRCM_REG32(0x0F4)
66#define GENERAL_PURPOSE19 PRCM_REG32(0x0F8)
67#define GENERAL_PURPOSE20 PRCM_REG32(0x0FC)
68
69/* MPU */
70#define CM_CLKSEL_MPU PRCM_REG32(0x140)
71#define CM_CLKSTCTRL_MPU PRCM_REG32(0x148)
72#define RM_RSTST_MPU PRCM_REG32(0x158)
73#define PM_WKDEP_MPU PRCM_REG32(0x1C8)
74#define PM_EVGENCTRL_MPU PRCM_REG32(0x1D4)
75#define PM_EVEGENONTIM_MPU PRCM_REG32(0x1D8)
76#define PM_EVEGENOFFTIM_MPU PRCM_REG32(0x1DC)
77#define PM_PWSTCTRL_MPU PRCM_REG32(0x1E0)
78#define PM_PWSTST_MPU PRCM_REG32(0x1E4)
79
80/* CORE */
81#define CM_FCLKEN1_CORE PRCM_REG32(0x200)
82#define CM_FCLKEN2_CORE PRCM_REG32(0x204)
83#define CM_FCLKEN3_CORE PRCM_REG32(0x208)
84#define CM_ICLKEN1_CORE PRCM_REG32(0x210)
85#define CM_ICLKEN2_CORE PRCM_REG32(0x214)
86#define CM_ICLKEN3_CORE PRCM_REG32(0x218)
87#define CM_ICLKEN4_CORE PRCM_REG32(0x21C)
88#define CM_IDLEST1_CORE PRCM_REG32(0x220)
89#define CM_IDLEST2_CORE PRCM_REG32(0x224)
90#define CM_IDLEST3_CORE PRCM_REG32(0x228)
91#define CM_IDLEST4_CORE PRCM_REG32(0x22C)
92#define CM_AUTOIDLE1_CORE PRCM_REG32(0x230)
93#define CM_AUTOIDLE2_CORE PRCM_REG32(0x234)
94#define CM_AUTOIDLE3_CORE PRCM_REG32(0x238)
95#define CM_AUTOIDLE4_CORE PRCM_REG32(0x23C)
96#define CM_CLKSEL1_CORE PRCM_REG32(0x240)
97#define CM_CLKSEL2_CORE PRCM_REG32(0x244)
98#define CM_CLKSTCTRL_CORE PRCM_REG32(0x248)
99#define PM_WKEN1_CORE PRCM_REG32(0x2A0)
100#define PM_WKEN2_CORE PRCM_REG32(0x2A4)
101#define PM_WKST1_CORE PRCM_REG32(0x2B0)
102#define PM_WKST2_CORE PRCM_REG32(0x2B4)
103#define PM_WKDEP_CORE PRCM_REG32(0x2C8)
104#define PM_PWSTCTRL_CORE PRCM_REG32(0x2E0)
105#define PM_PWSTST_CORE PRCM_REG32(0x2E4)
106
107/* GFX */
108#define CM_FCLKEN_GFX PRCM_REG32(0x300)
109#define CM_ICLKEN_GFX PRCM_REG32(0x310)
110#define CM_IDLEST_GFX PRCM_REG32(0x320)
111#define CM_CLKSEL_GFX PRCM_REG32(0x340)
112#define CM_CLKSTCTRL_GFX PRCM_REG32(0x348)
113#define RM_RSTCTRL_GFX PRCM_REG32(0x350)
114#define RM_RSTST_GFX PRCM_REG32(0x358)
115#define PM_WKDEP_GFX PRCM_REG32(0x3C8)
116#define PM_PWSTCTRL_GFX PRCM_REG32(0x3E0)
117#define PM_PWSTST_GFX PRCM_REG32(0x3E4)
118
119/* WAKE-UP */
120#define CM_FCLKEN_WKUP PRCM_REG32(0x400)
121#define CM_ICLKEN_WKUP PRCM_REG32(0x410)
122#define CM_IDLEST_WKUP PRCM_REG32(0x420)
123#define CM_AUTOIDLE_WKUP PRCM_REG32(0x430)
124#define CM_CLKSEL_WKUP PRCM_REG32(0x440)
125#define RM_RSTCTRL_WKUP PRCM_REG32(0x450)
126#define RM_RSTTIME_WKUP PRCM_REG32(0x454)
127#define RM_RSTST_WKUP PRCM_REG32(0x458)
128#define PM_WKEN_WKUP PRCM_REG32(0x4A0)
129#define PM_WKST_WKUP PRCM_REG32(0x4B0)
130
131/* CLOCKS */
132#define CM_CLKEN_PLL PRCM_REG32(0x500)
133#define CM_IDLEST_CKGEN PRCM_REG32(0x520)
134#define CM_AUTOIDLE_PLL PRCM_REG32(0x530)
135#define CM_CLKSEL1_PLL PRCM_REG32(0x540)
136#define CM_CLKSEL2_PLL PRCM_REG32(0x544)
137
138/* DSP */
139#define CM_FCLKEN_DSP PRCM_REG32(0x800)
140#define CM_ICLKEN_DSP PRCM_REG32(0x810)
141#define CM_IDLEST_DSP PRCM_REG32(0x820)
142#define CM_AUTOIDLE_DSP PRCM_REG32(0x830)
143#define CM_CLKSEL_DSP PRCM_REG32(0x840)
144#define CM_CLKSTCTRL_DSP PRCM_REG32(0x848)
145#define RM_RSTCTRL_DSP PRCM_REG32(0x850)
146#define RM_RSTST_DSP PRCM_REG32(0x858)
147#define PM_WKEN_DSP PRCM_REG32(0x8A0)
148#define PM_WKDEP_DSP PRCM_REG32(0x8C8)
149#define PM_PWSTCTRL_DSP PRCM_REG32(0x8E0)
150#define PM_PWSTST_DSP PRCM_REG32(0x8E4)
151#define PRCM_IRQSTATUS_DSP PRCM_REG32(0x8F0)
152#define PRCM_IRQENABLE_DSP PRCM_REG32(0x8F4)
153
154/* IVA */
155#define PRCM_IRQSTATUS_IVA PRCM_REG32(0x8F8)
156#define PRCM_IRQENABLE_IVA PRCM_REG32(0x8FC)
157
158/* Modem on 2430 */
159#define CM_FCLKEN_MDM PRCM_REG32(0xC00)
160#define CM_ICLKEN_MDM PRCM_REG32(0xC10)
161#define CM_IDLEST_MDM PRCM_REG32(0xC20)
162#define CM_CLKSEL_MDM PRCM_REG32(0xC40)
163
164/* FIXME: Move to header for 2430 */
165#define DISP_BASE (OMAP24XX_L4_IO_BASE+0x50000)
166#define DISP_REG32(offset) __REG32(DISP_BASE + (offset))
167
168#define GPMC_BASE (OMAP24XX_GPMC_BASE)
169#define GPMC_REG32(offset) __REG32(GPMC_BASE + (offset))
170
171#define GPT1_BASE (OMAP24XX_GPT1)
172#define GPT1_REG32(offset) __REG32(GPT1_BASE + (offset))
173
174/* Misc sysconfig */
175#define DISPC_SYSCONFIG DISP_REG32(0x410)
176#define SPI_BASE (OMAP24XX_L4_IO_BASE+0x98000)
177#define MCSPI1_SYSCONFIG __REG32(SPI_BASE + 0x10)
178#define MCSPI2_SYSCONFIG __REG32(SPI_BASE+0x2000 + 0x10)
179
180//#define DSP_MMU_SYSCONFIG 0x5A000010
181#define CAMERA_MMU_SYSCONFIG __REG32(DISP_BASE+0x2C10)
182//#define IVA_MMU_SYSCONFIG 0x5D000010
183//#define DSP_DMA_SYSCONFIG 0x00FCC02C
184#define CAMERA_DMA_SYSCONFIG __REG32(DISP_BASE+0x282C)
185#define SYSTEM_DMA_SYSCONFIG __REG32(DISP_BASE+0x602C)
186#define GPMC_SYSCONFIG GPMC_REG32(0x010)
187#define MAILBOXES_SYSCONFIG __REG32(OMAP24XX_L4_IO_BASE+0x94010)
188#define UART1_SYSCONFIG __REG32(OMAP24XX_L4_IO_BASE+0x6A054)
189#define UART2_SYSCONFIG __REG32(OMAP24XX_L4_IO_BASE+0x6C054)
190#define UART3_SYSCONFIG __REG32(OMAP24XX_L4_IO_BASE+0x6E054)
191//#define IVA_SYSCONFIG 0x5C060010
192#define SDRC_SYSCONFIG __REG32(OMAP24XX_SDRC_BASE+0x10)
193#define SMS_SYSCONFIG __REG32(OMAP24XX_SMS_BASE+0x10)
194#define SSI_SYSCONFIG __REG32(DISP_BASE+0x8010)
195//#define VLYNQ_SYSCONFIG 0x67FFFE10
196
197/* rkw - good cannidates for PM_ to start what nm was trying */
198#define OMAP24XX_GPT2 (OMAP24XX_L4_IO_BASE+0x2A000)
199#define OMAP24XX_GPT3 (OMAP24XX_L4_IO_BASE+0x78000)
200#define OMAP24XX_GPT4 (OMAP24XX_L4_IO_BASE+0x7A000)
201#define OMAP24XX_GPT5 (OMAP24XX_L4_IO_BASE+0x7C000)
202#define OMAP24XX_GPT6 (OMAP24XX_L4_IO_BASE+0x7E000)
203#define OMAP24XX_GPT7 (OMAP24XX_L4_IO_BASE+0x80000)
204#define OMAP24XX_GPT8 (OMAP24XX_L4_IO_BASE+0x82000)
205#define OMAP24XX_GPT9 (OMAP24XX_L4_IO_BASE+0x84000)
206#define OMAP24XX_GPT10 (OMAP24XX_L4_IO_BASE+0x86000)
207#define OMAP24XX_GPT11 (OMAP24XX_L4_IO_BASE+0x88000)
208#define OMAP24XX_GPT12 (OMAP24XX_L4_IO_BASE+0x8A000)
209
210#define GPTIMER1_SYSCONFIG GPT1_REG32(0x010)
211#define GPTIMER2_SYSCONFIG __REG32(OMAP24XX_GPT2 + 0x10)
212#define GPTIMER3_SYSCONFIG __REG32(OMAP24XX_GPT3 + 0x10)
213#define GPTIMER4_SYSCONFIG __REG32(OMAP24XX_GPT4 + 0x10)
214#define GPTIMER5_SYSCONFIG __REG32(OMAP24XX_GPT5 + 0x10)
215#define GPTIMER6_SYSCONFIG __REG32(OMAP24XX_GPT6 + 0x10)
216#define GPTIMER7_SYSCONFIG __REG32(OMAP24XX_GPT7 + 0x10)
217#define GPTIMER8_SYSCONFIG __REG32(OMAP24XX_GPT8 + 0x10)
218#define GPTIMER9_SYSCONFIG __REG32(OMAP24XX_GPT9 + 0x10)
219#define GPTIMER10_SYSCONFIG __REG32(OMAP24XX_GPT10 + 0x10)
220#define GPTIMER11_SYSCONFIG __REG32(OMAP24XX_GPT11 + 0x10)
221#define GPTIMER12_SYSCONFIG __REG32(OMAP24XX_GPT12 + 0x10)
222
223#define GPIOX_BASE(X) (OMAP24XX_GPIO_BASE+(0x2000*((X)-1)))
224
225#define GPIO1_SYSCONFIG __REG32((GPIOX_BASE(1)+0x10))
226#define GPIO2_SYSCONFIG __REG32((GPIOX_BASE(2)+0x10))
227#define GPIO3_SYSCONFIG __REG32((GPIOX_BASE(3)+0x10))
228#define GPIO4_SYSCONFIG __REG32((GPIOX_BASE(4)+0x10))
229
230/* GP TIMER 1 */
231#define GPTIMER1_TISTAT GPT1_REG32(0x014)
232#define GPTIMER1_TISR GPT1_REG32(0x018)
233#define GPTIMER1_TIER GPT1_REG32(0x01C)
234#define GPTIMER1_TWER GPT1_REG32(0x020)
235#define GPTIMER1_TCLR GPT1_REG32(0x024)
236#define GPTIMER1_TCRR GPT1_REG32(0x028)
237#define GPTIMER1_TLDR GPT1_REG32(0x02C)
238#define GPTIMER1_TTGR GPT1_REG32(0x030)
239#define GPTIMER1_TWPS GPT1_REG32(0x034)
240#define GPTIMER1_TMAR GPT1_REG32(0x038)
241#define GPTIMER1_TCAR1 GPT1_REG32(0x03C)
242#define GPTIMER1_TSICR GPT1_REG32(0x040)
243#define GPTIMER1_TCAR2 GPT1_REG32(0x044)
244
245/* rkw -- base fix up please... */
246#define GPTIMER3_TISR __REG32(OMAP24XX_L4_IO_BASE+0x78018)
247
248/* SDRC */
249#define SDRC_DLLA_CTRL __REG32(OMAP24XX_SDRC_BASE+0x060)
250#define SDRC_DLLA_STATUS __REG32(OMAP24XX_SDRC_BASE+0x064)
251#define SDRC_DLLB_CTRL __REG32(OMAP24XX_SDRC_BASE+0x068)
252#define SDRC_DLLB_STATUS __REG32(OMAP24XX_SDRC_BASE+0x06C)
253#define SDRC_POWER __REG32(OMAP24XX_SDRC_BASE+0x070)
254#define SDRC_MR_0 __REG32(OMAP24XX_SDRC_BASE+0x084)
255
256/* GPIO 1 */
257#define GPIO1_BASE GPIOX_BASE(1)
258#define GPIO1_REG32(offset) __REG32(GPIO1_BASE + (offset))
259#define GPIO1_IRQENABLE1 GPIO1_REG32(0x01C)
260#define GPIO1_IRQSTATUS1 GPIO1_REG32(0x018)
261#define GPIO1_IRQENABLE2 GPIO1_REG32(0x02C)
262#define GPIO1_IRQSTATUS2 GPIO1_REG32(0x028)
263#define GPIO1_WAKEUPENABLE GPIO1_REG32(0x020)
264#define GPIO1_RISINGDETECT GPIO1_REG32(0x048)
265#define GPIO1_DATAIN GPIO1_REG32(0x038)
266#define GPIO1_OE GPIO1_REG32(0x034)
267#define GPIO1_DATAOUT GPIO1_REG32(0x03C)
268
269/* GPIO2 */
270#define GPIO2_BASE GPIOX_BASE(2)
271#define GPIO2_REG32(offset) __REG32(GPIO2_BASE + (offset))
272#define GPIO2_IRQENABLE1 GPIO2_REG32(0x01C)
273#define GPIO2_IRQSTATUS1 GPIO2_REG32(0x018)
274#define GPIO2_IRQENABLE2 GPIO2_REG32(0x02C)
275#define GPIO2_IRQSTATUS2 GPIO2_REG32(0x028)
276#define GPIO2_WAKEUPENABLE GPIO2_REG32(0x020)
277#define GPIO2_RISINGDETECT GPIO2_REG32(0x048)
278#define GPIO2_DATAIN GPIO2_REG32(0x038)
279#define GPIO2_OE GPIO2_REG32(0x034)
280#define GPIO2_DATAOUT GPIO2_REG32(0x03C)
281
282/* GPIO 3 */
283#define GPIO3_BASE GPIOX_BASE(3)
284#define GPIO3_REG32(offset) __REG32(GPIO3_BASE + (offset))
285#define GPIO3_IRQENABLE1 GPIO3_REG32(0x01C)
286#define GPIO3_IRQSTATUS1 GPIO3_REG32(0x018)
287#define GPIO3_IRQENABLE2 GPIO3_REG32(0x02C)
288#define GPIO3_IRQSTATUS2 GPIO3_REG32(0x028)
289#define GPIO3_WAKEUPENABLE GPIO3_REG32(0x020)
290#define GPIO3_RISINGDETECT GPIO3_REG32(0x048)
291#define GPIO3_FALLINGDETECT GPIO3_REG32(0x04C)
292#define GPIO3_DATAIN GPIO3_REG32(0x038)
293#define GPIO3_OE GPIO3_REG32(0x034)
294#define GPIO3_DATAOUT GPIO3_REG32(0x03C)
295#define GPIO3_DEBOUNCENABLE GPIO3_REG32(0x050)
296#define GPIO3_DEBOUNCINGTIME GPIO3_REG32(0x054)
297
298/* GPIO 4 */
299#define GPIO4_BASE GPIOX_BASE(4)
300#define GPIO4_REG32(offset) __REG32(GPIO4_BASE + (offset))
301#define GPIO4_IRQENABLE1 GPIO4_REG32(0x01C)
302#define GPIO4_IRQSTATUS1 GPIO4_REG32(0x018)
303#define GPIO4_IRQENABLE2 GPIO4_REG32(0x02C)
304#define GPIO4_IRQSTATUS2 GPIO4_REG32(0x028)
305#define GPIO4_WAKEUPENABLE GPIO4_REG32(0x020)
306#define GPIO4_RISINGDETECT GPIO4_REG32(0x048)
307#define GPIO4_FALLINGDETECT GPIO4_REG32(0x04C)
308#define GPIO4_DATAIN GPIO4_REG32(0x038)
309#define GPIO4_OE GPIO4_REG32(0x034)
310#define GPIO4_DATAOUT GPIO4_REG32(0x03C)
311#define GPIO4_DEBOUNCENABLE GPIO4_REG32(0x050)
312#define GPIO4_DEBOUNCINGTIME GPIO4_REG32(0x054)
313
314
315/* IO CONFIG */
316#define CONTROL_BASE (OMAP24XX_CTRL_BASE)
317#define CONTROL_REG32(offset) __REG32(CONTROL_BASE + (offset))
318
319#define CONTROL_PADCONF_SPI1_NCS2 CONTROL_REG32(0x104)
320#define CONTROL_PADCONF_SYS_XTALOUT CONTROL_REG32(0x134)
321#define CONTROL_PADCONF_UART1_RX CONTROL_REG32(0x0C8)
322#define CONTROL_PADCONF_MCBSP1_DX CONTROL_REG32(0x10C)
323#define CONTROL_PADCONF_GPMC_NCS4 CONTROL_REG32(0x090)
324#define CONTROL_PADCONF_DSS_D5 CONTROL_REG32(0x0B8)
325#define CONTROL_PADCONF_DSS_D9 CONTROL_REG32(0x0BC)
326#define CONTROL_PADCONF_DSS_D13 CONTROL_REG32(0x0C0)
327#define CONTROL_PADCONF_DSS_VSYNC CONTROL_REG32(0x0CC)
328
329/* CONTROL */
330#define CONTROL_DEVCONF CONTROL_REG32(0x274)
331
332/* INTERRUPT CONTROLLER */
333#define INTC_BASE (OMAP24XX_L4_IO_BASE+0xfe000)
334#define INTC_REG32(offset) __REG32(INTC_BASE + (offset))
335
336#define INTC1_U_BASE INTC_REG32(0x000)
337#define INTC_MIR0 INTC_REG32(0x084)
338#define INTC_MIR_SET0 INTC_REG32(0x08C)
339#define INTC_MIR_CLEAR0 INTC_REG32(0x088)
340#define INTC_ISR_CLEAR0 INTC_REG32(0x094)
341#define INTC_MIR1 INTC_REG32(0x0A4)
342#define INTC_MIR_SET1 INTC_REG32(0x0AC)
343#define INTC_MIR_CLEAR1 INTC_REG32(0x0A8)
344#define INTC_ISR_CLEAR1 INTC_REG32(0x0B4)
345#define INTC_MIR2 INTC_REG32(0x0C4)
346#define INTC_MIR_SET2 INTC_REG32(0x0CC)
347#define INTC_MIR_CLEAR2 INTC_REG32(0x0C8)
348#define INTC_ISR_CLEAR2 INTC_REG32(0x0D4)
349#define INTC_SIR_IRQ INTC_REG32(0x040)
350#define INTC_CONTROL INTC_REG32(0x048)
351#define INTC_ILR11 INTC_REG32(0x12C)
352#define INTC_ILR32 INTC_REG32(0x180)
353#define INTC_ILR37 INTC_REG32(0x194)
354#define INTC_SYSCONFIG INTC_REG32(0x010)
355
356/* RAM FIREWALL */
357#define RAMFW_BASE (0x68005000)
358#define RAMFW_REG32(offset) __REG32(RAMFW_BASE + (offset))
359
360#define RAMFW_REQINFOPERM0 RAMFW_REG32(0x048)
361#define RAMFW_READPERM0 RAMFW_REG32(0x050)
362#define RAMFW_WRITEPERM0 RAMFW_REG32(0x058)
363
364/* GPMC CS1 FPGA ON USER INTERFACE MODULE */
365//#define DEBUG_BOARD_LED_REGISTER 0x04000014
366
367/* GPMC CS0 */
368#define GPMC_CONFIG1_0 GPMC_REG32(0x060)
369#define GPMC_CONFIG2_0 GPMC_REG32(0x064)
370#define GPMC_CONFIG3_0 GPMC_REG32(0x068)
371#define GPMC_CONFIG4_0 GPMC_REG32(0x06C)
372#define GPMC_CONFIG5_0 GPMC_REG32(0x070)
373#define GPMC_CONFIG6_0 GPMC_REG32(0x074)
374#define GPMC_CONFIG7_0 GPMC_REG32(0x078)
375
376/* DSS */
377#define DSS_CONTROL DISP_REG32(0x040)
378#define DISPC_CONTROL DISP_REG32(0x440)
379#define DISPC_SYSSTATUS DISP_REG32(0x414)
380#define DISPC_IRQSTATUS DISP_REG32(0x418)
381#define DISPC_IRQENABLE DISP_REG32(0x41C)
382#define DISPC_CONFIG DISP_REG32(0x444)
383#define DISPC_DEFAULT_COLOR0 DISP_REG32(0x44C)
384#define DISPC_DEFAULT_COLOR1 DISP_REG32(0x450)
385#define DISPC_TRANS_COLOR0 DISP_REG32(0x454)
386#define DISPC_TRANS_COLOR1 DISP_REG32(0x458)
387#define DISPC_LINE_NUMBER DISP_REG32(0x460)
388#define DISPC_TIMING_H DISP_REG32(0x464)
389#define DISPC_TIMING_V DISP_REG32(0x468)
390#define DISPC_POL_FREQ DISP_REG32(0x46C)
391#define DISPC_DIVISOR DISP_REG32(0x470)
392#define DISPC_SIZE_DIG DISP_REG32(0x478)
393#define DISPC_SIZE_LCD DISP_REG32(0x47C)
394#define DISPC_GFX_BA0 DISP_REG32(0x480)
395#define DISPC_GFX_BA1 DISP_REG32(0x484)
396#define DISPC_GFX_POSITION DISP_REG32(0x488)
397#define DISPC_GFX_SIZE DISP_REG32(0x48C)
398#define DISPC_GFX_ATTRIBUTES DISP_REG32(0x4A0)
399#define DISPC_GFX_FIFO_THRESHOLD DISP_REG32(0x4A4)
400#define DISPC_GFX_ROW_INC DISP_REG32(0x4AC)
401#define DISPC_GFX_PIXEL_INC DISP_REG32(0x4B0)
402#define DISPC_GFX_WINDOW_SKIP DISP_REG32(0x4B4)
403#define DISPC_GFX_TABLE_BA DISP_REG32(0x4B8)
404#define DISPC_DATA_CYCLE1 DISP_REG32(0x5D4)
405#define DISPC_DATA_CYCLE2 DISP_REG32(0x5D8)
406#define DISPC_DATA_CYCLE3 DISP_REG32(0x5DC)
407
408/* Wake up define for board */
409#define GPIO97 (1 << 1)
410#define GPIO88 (1 << 24)
411
412#endif /* __ASSEMBLER__ */
413
414#endif
415
416
417
418
419
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
new file mode 100644
index 000000000000..f4df04fe1dd8
--- /dev/null
+++ b/arch/arm/mach-omap2/serial.c
@@ -0,0 +1,180 @@
1/*
2 * arch/arm/mach-omap/omap2/serial.c
3 *
4 * OMAP2 serial support.
5 *
6 * Copyright (C) 2005 Nokia Corporation
7 * Author: Paul Mundt <paul.mundt@nokia.com>
8 *
9 * Based off of arch/arm/mach-omap/omap1/serial.c
10 *
11 * This file is subject to the terms and conditions of the GNU General Public
12 * License. See the file "COPYING" in the main directory of this archive
13 * for more details.
14 */
15#include <linux/kernel.h>
16#include <linux/init.h>
17#include <linux/serial_8250.h>
18#include <linux/serial_reg.h>
19
20#include <asm/io.h>
21#include <asm/hardware/clock.h>
22
23#include <asm/arch/common.h>
24#include <asm/arch/board.h>
25
26static struct clk * uart1_ick = NULL;
27static struct clk * uart1_fck = NULL;
28static struct clk * uart2_ick = NULL;
29static struct clk * uart2_fck = NULL;
30static struct clk * uart3_ick = NULL;
31static struct clk * uart3_fck = NULL;
32
33static struct plat_serial8250_port serial_platform_data[] = {
34 {
35 .membase = (char *)IO_ADDRESS(OMAP_UART1_BASE),
36 .mapbase = (unsigned long)OMAP_UART1_BASE,
37 .irq = 72,
38 .flags = UPF_BOOT_AUTOCONF,
39 .iotype = UPIO_MEM,
40 .regshift = 2,
41 .uartclk = OMAP16XX_BASE_BAUD * 16,
42 }, {
43 .membase = (char *)IO_ADDRESS(OMAP_UART2_BASE),
44 .mapbase = (unsigned long)OMAP_UART2_BASE,
45 .irq = 73,
46 .flags = UPF_BOOT_AUTOCONF,
47 .iotype = UPIO_MEM,
48 .regshift = 2,
49 .uartclk = OMAP16XX_BASE_BAUD * 16,
50 }, {
51 .membase = (char *)IO_ADDRESS(OMAP_UART3_BASE),
52 .mapbase = (unsigned long)OMAP_UART3_BASE,
53 .irq = 74,
54 .flags = UPF_BOOT_AUTOCONF,
55 .iotype = UPIO_MEM,
56 .regshift = 2,
57 .uartclk = OMAP16XX_BASE_BAUD * 16,
58 }, {
59 .flags = 0
60 }
61};
62
63static inline unsigned int serial_read_reg(struct plat_serial8250_port *up,
64 int offset)
65{
66 offset <<= up->regshift;
67 return (unsigned int)__raw_readb(up->membase + offset);
68}
69
70static inline void serial_write_reg(struct plat_serial8250_port *p, int offset,
71 int value)
72{
73 offset <<= p->regshift;
74 __raw_writeb(value, (unsigned long)(p->membase + offset));
75}
76
77/*
78 * Internal UARTs need to be initialized for the 8250 autoconfig to work
79 * properly. Note that the TX watermark initialization may not be needed
80 * once the 8250.c watermark handling code is merged.
81 */
82static inline void __init omap_serial_reset(struct plat_serial8250_port *p)
83{
84 serial_write_reg(p, UART_OMAP_MDR1, 0x07);
85 serial_write_reg(p, UART_OMAP_SCR, 0x08);
86 serial_write_reg(p, UART_OMAP_MDR1, 0x00);
87 serial_write_reg(p, UART_OMAP_SYSC, 0x01);
88}
89
90void __init omap_serial_init()
91{
92 int i;
93 const struct omap_uart_config *info;
94
95 /*
96 * Make sure the serial ports are muxed on at this point.
97 * You have to mux them off in device drivers later on
98 * if not needed.
99 */
100
101 info = omap_get_config(OMAP_TAG_UART,
102 struct omap_uart_config);
103
104 if (info == NULL)
105 return;
106
107 for (i = 0; i < OMAP_MAX_NR_PORTS; i++) {
108 struct plat_serial8250_port *p = serial_platform_data + i;
109
110 if (!(info->enabled_uarts & (1 << i))) {
111 p->membase = 0;
112 p->mapbase = 0;
113 continue;
114 }
115
116 switch (i) {
117 case 0:
118 uart1_ick = clk_get(NULL, "uart1_ick");
119 if (IS_ERR(uart1_ick))
120 printk("Could not get uart1_ick\n");
121 else {
122 clk_use(uart1_ick);
123 }
124
125 uart1_fck = clk_get(NULL, "uart1_fck");
126 if (IS_ERR(uart1_fck))
127 printk("Could not get uart1_fck\n");
128 else {
129 clk_use(uart1_fck);
130 }
131 break;
132 case 1:
133 uart2_ick = clk_get(NULL, "uart2_ick");
134 if (IS_ERR(uart2_ick))
135 printk("Could not get uart2_ick\n");
136 else {
137 clk_use(uart2_ick);
138 }
139
140 uart2_fck = clk_get(NULL, "uart2_fck");
141 if (IS_ERR(uart2_fck))
142 printk("Could not get uart2_fck\n");
143 else {
144 clk_use(uart2_fck);
145 }
146 break;
147 case 2:
148 uart3_ick = clk_get(NULL, "uart3_ick");
149 if (IS_ERR(uart3_ick))
150 printk("Could not get uart3_ick\n");
151 else {
152 clk_use(uart3_ick);
153 }
154
155 uart3_fck = clk_get(NULL, "uart3_fck");
156 if (IS_ERR(uart3_fck))
157 printk("Could not get uart3_fck\n");
158 else {
159 clk_use(uart3_fck);
160 }
161 break;
162 }
163
164 omap_serial_reset(p);
165 }
166}
167
168static struct platform_device serial_device = {
169 .name = "serial8250",
170 .id = 0,
171 .dev = {
172 .platform_data = serial_platform_data,
173 },
174};
175
176static int __init omap_init(void)
177{
178 return platform_device_register(&serial_device);
179}
180arch_initcall(omap_init);
diff --git a/arch/arm/mach-omap2/sram-fn.S b/arch/arm/mach-omap2/sram-fn.S
new file mode 100644
index 000000000000..2a869e203342
--- /dev/null
+++ b/arch/arm/mach-omap2/sram-fn.S
@@ -0,0 +1,333 @@
1/*
2 * linux/arch/arm/mach-omap1/sram.S
3 *
4 * Omap2 specific functions that need to be run in internal SRAM
5 *
6 * (C) Copyright 2004
7 * Texas Instruments, <www.ti.com>
8 * Richard Woodruff <r-woodruff2@ti.com>
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23 * MA 02111-1307 USA
24 */
25#include <linux/config.h>
26#include <linux/linkage.h>
27#include <asm/assembler.h>
28#include <asm/arch/io.h>
29#include <asm/hardware.h>
30
31#include <asm/arch/prcm.h>
32
33#define TIMER_32KSYNCT_CR_V IO_ADDRESS(OMAP24XX_32KSYNCT_BASE + 0x010)
34
35#define CM_CLKSEL2_PLL_V IO_ADDRESS(OMAP24XX_PRCM_BASE + 0x544)
36#define PRCM_VOLTCTRL_V IO_ADDRESS(OMAP24XX_PRCM_BASE + 0x050)
37#define PRCM_CLKCFG_CTRL_V IO_ADDRESS(OMAP24XX_PRCM_BASE + 0x080)
38#define CM_CLKEN_PLL_V IO_ADDRESS(OMAP24XX_PRCM_BASE + 0x500)
39#define CM_IDLEST_CKGEN_V IO_ADDRESS(OMAP24XX_PRCM_BASE + 0x520)
40#define CM_CLKSEL1_PLL_V IO_ADDRESS(OMAP24XX_PRCM_BASE + 0x540)
41
42#define SDRC_DLLA_CTRL_V IO_ADDRESS(OMAP24XX_SDRC_BASE + 0x060)
43#define SDRC_RFR_CTRL_V IO_ADDRESS(OMAP24XX_SDRC_BASE + 0x0a4)
44
45 .text
46
47ENTRY(sram_ddr_init)
48 stmfd sp!, {r0 - r12, lr} @ save registers on stack
49
50 mov r12, r2 @ capture CS1 vs CS0
51 mov r8, r3 @ capture force parameter
52
53 /* frequency shift down */
54 ldr r2, cm_clksel2_pll @ get address of dpllout reg
55 mov r3, #0x1 @ value for 1x operation
56 str r3, [r2] @ go to L1-freq operation
57
58 /* voltage shift down */
59 mov r9, #0x1 @ set up for L1 voltage call
60 bl voltage_shift @ go drop voltage
61
62 /* dll lock mode */
63 ldr r11, sdrc_dlla_ctrl @ addr of dlla ctrl
64 ldr r10, [r11] @ get current val
65 cmp r12, #0x1 @ cs1 base (2422 es2.05/1)
66 addeq r11, r11, #0x8 @ if cs1 base, move to DLLB
67 mvn r9, #0x4 @ mask to get clear bit2
68 and r10, r10, r9 @ clear bit2 for lock mode.
69 orr r10, r10, #0x8 @ make sure DLL on (es2 bit pos)
70 orr r10, r10, #0x2 @ 90 degree phase for all below 133Mhz
71 str r10, [r11] @ commit to DLLA_CTRL
72 bl i_dll_wait @ wait for dll to lock
73
74 /* get dll value */
75 add r11, r11, #0x4 @ get addr of status reg
76 ldr r10, [r11] @ get locked value
77
78 /* voltage shift up */
79 mov r9, #0x0 @ shift back to L0-voltage
80 bl voltage_shift @ go raise voltage
81
82 /* frequency shift up */
83 mov r3, #0x2 @ value for 2x operation
84 str r3, [r2] @ go to L0-freq operation
85
86 /* reset entry mode for dllctrl */
87 sub r11, r11, #0x4 @ move from status to ctrl
88 cmp r12, #0x1 @ normalize if cs1 based
89 subeq r11, r11, #0x8 @ possibly back to DLLA
90 cmp r8, #0x1 @ if forced unlock exit
91 orreq r1, r1, #0x4 @ make sure exit with unlocked value
92 str r1, [r11] @ restore DLLA_CTRL high value
93 add r11, r11, #0x8 @ move to DLLB_CTRL addr
94 str r1, [r11] @ set value DLLB_CTRL
95 bl i_dll_wait @ wait for possible lock
96
97 /* set up for return, DDR should be good */
98 str r10, [r0] @ write dll_status and return counter
99 ldmfd sp!, {r0 - r12, pc} @ restore regs and return
100
101 /* ensure the DLL has relocked */
102i_dll_wait:
103 mov r4, #0x800 @ delay DLL relock, min 0x400 L3 clocks
104i_dll_delay:
105 subs r4, r4, #0x1
106 bne i_dll_delay
107 mov pc, lr
108
109 /*
110 * shift up or down voltage, use R9 as input to tell level.
111 * wait for it to finish, use 32k sync counter, 1tick=31uS.
112 */
113voltage_shift:
114 ldr r4, prcm_voltctrl @ get addr of volt ctrl.
115 ldr r5, [r4] @ get value.
116 ldr r6, prcm_mask_val @ get value of mask
117 and r5, r5, r6 @ apply mask to clear bits
118 orr r5, r5, r9 @ bulld value for L0/L1-volt operation.
119 str r5, [r4] @ set up for change.
120 mov r3, #0x4000 @ get val for force
121 orr r5, r5, r3 @ build value for force
122 str r5, [r4] @ Force transition to L1
123
124 ldr r3, timer_32ksynct_cr @ get addr of counter
125 ldr r5, [r3] @ get value
126 add r5, r5, #0x3 @ give it at most 93uS
127volt_delay:
128 ldr r7, [r3] @ get timer value
129 cmp r5, r7 @ time up?
130 bhi volt_delay @ not yet->branch
131 mov pc, lr @ back to caller.
132
133/* relative load constants */
134cm_clksel2_pll:
135 .word CM_CLKSEL2_PLL_V
136sdrc_dlla_ctrl:
137 .word SDRC_DLLA_CTRL_V
138prcm_voltctrl:
139 .word PRCM_VOLTCTRL_V
140prcm_mask_val:
141 .word 0xFFFF3FFC
142timer_32ksynct_cr:
143 .word TIMER_32KSYNCT_CR_V
144ENTRY(sram_ddr_init_sz)
145 .word . - sram_ddr_init
146
147/*
148 * Reprograms memory timings.
149 * r0 = [PRCM_FULL | PRCM_HALF] r1 = SDRC_DLLA_CTRL value r2 = [DDR | SDR]
150 * PRCM_FULL = 2, PRCM_HALF = 1, DDR = 1, SDR = 0
151 */
152ENTRY(sram_reprogram_sdrc)
153 stmfd sp!, {r0 - r10, lr} @ save registers on stack
154 mov r3, #0x0 @ clear for mrc call
155 mcr p15, 0, r3, c7, c10, 4 @ memory barrier, finish ARM SDR/DDR
156 nop
157 nop
158 ldr r6, ddr_sdrc_rfr_ctrl @ get addr of refresh reg
159 ldr r5, [r6] @ get value
160 mov r5, r5, lsr #8 @ isolate rfr field and drop burst
161
162 cmp r0, #0x1 @ going to half speed?
163 movne r9, #0x0 @ if up set flag up for pre up, hi volt
164
165 blne voltage_shift_c @ adjust voltage
166
167 cmp r0, #0x1 @ going to half speed (post branch link)
168 moveq r5, r5, lsr #1 @ divide by 2 if to half
169 movne r5, r5, lsl #1 @ mult by 2 if to full
170 mov r5, r5, lsl #8 @ put rfr field back into place
171 add r5, r5, #0x1 @ turn on burst of 1
172 ldr r4, ddr_cm_clksel2_pll @ get address of out reg
173 ldr r3, [r4] @ get curr value
174 orr r3, r3, #0x3
175 bic r3, r3, #0x3 @ clear lower bits
176 orr r3, r3, r0 @ new state value
177 str r3, [r4] @ set new state (pll/x, x=1 or 2)
178 nop
179 nop
180
181 moveq r9, #0x1 @ if speed down, post down, drop volt
182 bleq voltage_shift_c
183
184 mcr p15, 0, r3, c7, c10, 4 @ memory barrier
185 str r5, [r6] @ set new RFR_1 value
186 add r6, r6, #0x30 @ get RFR_2 addr
187 str r5, [r6] @ set RFR_2
188 nop
189 cmp r2, #0x1 @ (SDR or DDR) do we need to adjust DLL
190 bne freq_out @ leave if SDR, no DLL function
191
192 /* With DDR, we need to take care of the DLL for the frequency change */
193 ldr r2, ddr_sdrc_dlla_ctrl @ addr of dlla ctrl
194 str r1, [r2] @ write out new SDRC_DLLA_CTRL
195 add r2, r2, #0x8 @ addr to SDRC_DLLB_CTRL
196 str r1, [r2] @ commit to SDRC_DLLB_CTRL
197 mov r1, #0x2000 @ wait DLL relock, min 0x400 L3 clocks
198dll_wait:
199 subs r1, r1, #0x1
200 bne dll_wait
201freq_out:
202 ldmfd sp!, {r0 - r10, pc} @ restore regs and return
203
204 /*
205 * shift up or down voltage, use R9 as input to tell level.
206 * wait for it to finish, use 32k sync counter, 1tick=31uS.
207 */
208voltage_shift_c:
209 ldr r10, ddr_prcm_voltctrl @ get addr of volt ctrl
210 ldr r8, [r10] @ get value
211 ldr r7, ddr_prcm_mask_val @ get value of mask
212 and r8, r8, r7 @ apply mask to clear bits
213 orr r8, r8, r9 @ bulld value for L0/L1-volt operation.
214 str r8, [r10] @ set up for change.
215 mov r7, #0x4000 @ get val for force
216 orr r8, r8, r7 @ build value for force
217 str r8, [r10] @ Force transition to L1
218
219 ldr r10, ddr_timer_32ksynct @ get addr of counter
220 ldr r8, [r10] @ get value
221 add r8, r8, #0x2 @ give it at most 62uS (min 31+)
222volt_delay_c:
223 ldr r7, [r10] @ get timer value
224 cmp r8, r7 @ time up?
225 bhi volt_delay_c @ not yet->branch
226 mov pc, lr @ back to caller
227
228ddr_cm_clksel2_pll:
229 .word CM_CLKSEL2_PLL_V
230ddr_sdrc_dlla_ctrl:
231 .word SDRC_DLLA_CTRL_V
232ddr_sdrc_rfr_ctrl:
233 .word SDRC_RFR_CTRL_V
234ddr_prcm_voltctrl:
235 .word PRCM_VOLTCTRL_V
236ddr_prcm_mask_val:
237 .word 0xFFFF3FFC
238ddr_timer_32ksynct:
239 .word TIMER_32KSYNCT_CR_V
240
241ENTRY(sram_reprogram_sdrc_sz)
242 .word . - sram_reprogram_sdrc
243
244/*
245 * Set dividers and pll. Also recalculate DLL value for DDR and unlock mode.
246 */
247ENTRY(sram_set_prcm)
248 stmfd sp!, {r0-r12, lr} @ regs to stack
249 adr r4, pbegin @ addr of preload start
250 adr r8, pend @ addr of preload end
251 mcrr p15, 1, r8, r4, c12 @ preload into icache
252pbegin:
253 /* move into fast relock bypass */
254 ldr r8, pll_ctl @ get addr
255 ldr r5, [r8] @ get val
256 mvn r6, #0x3 @ clear mask
257 and r5, r5, r6 @ clear field
258 orr r7, r5, #0x2 @ fast relock val
259 str r7, [r8] @ go to fast relock
260 ldr r4, pll_stat @ addr of stat
261block:
262 /* wait for bypass */
263 ldr r8, [r4] @ stat value
264 and r8, r8, #0x3 @ mask for stat
265 cmp r8, #0x1 @ there yet
266 bne block @ loop if not
267
268 /* set new dpll dividers _after_ in bypass */
269 ldr r4, pll_div @ get addr
270 str r0, [r4] @ set dpll ctrl val
271
272 ldr r4, set_config @ get addr
273 mov r8, #1 @ valid cfg msk
274 str r8, [r4] @ make dividers take
275
276 mov r4, #100 @ dead spin a bit
277wait_a_bit:
278 subs r4, r4, #1 @ dec loop
279 bne wait_a_bit @ delay done?
280
281 /* check if staying in bypass */
282 cmp r2, #0x1 @ stay in bypass?
283 beq pend @ jump over dpll relock
284
285 /* relock DPLL with new vals */
286 ldr r5, pll_stat @ get addr
287 ldr r4, pll_ctl @ get addr
288 orr r8, r7, #0x3 @ val for lock dpll
289 str r8, [r4] @ set val
290 mov r0, #1000 @ dead spin a bit
291wait_more:
292 subs r0, r0, #1 @ dec loop
293 bne wait_more @ delay done?
294wait_lock:
295 ldr r8, [r5] @ get lock val
296 and r8, r8, #3 @ isolate field
297 cmp r8, #2 @ locked?
298 bne wait_lock @ wait if not
299pend:
300 /* update memory timings & briefly lock dll */
301 ldr r4, sdrc_rfr @ get addr
302 str r1, [r4] @ update refresh timing
303 ldr r11, dlla_ctrl @ get addr of DLLA ctrl
304 ldr r10, [r11] @ get current val
305 mvn r9, #0x4 @ mask to get clear bit2
306 and r10, r10, r9 @ clear bit2 for lock mode
307 orr r10, r10, #0x8 @ make sure DLL on (es2 bit pos)
308 str r10, [r11] @ commit to DLLA_CTRL
309 add r11, r11, #0x8 @ move to dllb
310 str r10, [r11] @ hit DLLB also
311
312 mov r4, #0x800 @ relock time (min 0x400 L3 clocks)
313wait_dll_lock:
314 subs r4, r4, #0x1
315 bne wait_dll_lock
316 nop
317 ldmfd sp!, {r0-r12, pc} @ restore regs and return
318
319set_config:
320 .word PRCM_CLKCFG_CTRL_V
321pll_ctl:
322 .word CM_CLKEN_PLL_V
323pll_stat:
324 .word CM_IDLEST_CKGEN_V
325pll_div:
326 .word CM_CLKSEL1_PLL_V
327sdrc_rfr:
328 .word SDRC_RFR_CTRL_V
329dlla_ctrl:
330 .word SDRC_DLLA_CTRL_V
331
332ENTRY(sram_set_prcm_sz)
333 .word . - sram_set_prcm
diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c
new file mode 100644
index 000000000000..9ec11443200f
--- /dev/null
+++ b/arch/arm/mach-omap2/timer-gp.c
@@ -0,0 +1,126 @@
1/*
2 * linux/arch/arm/mach-omap2/timer-gp.c
3 *
4 * OMAP2 GP timer support.
5 *
6 * Copyright (C) 2005 Nokia Corporation
7 * Author: Paul Mundt <paul.mundt@nokia.com>
8 * Juha Yrjölä <juha.yrjola@nokia.com>
9 *
10 * Some parts based off of TI's 24xx code:
11 *
12 * Copyright (C) 2004 Texas Instruments, Inc.
13 *
14 * Roughly modelled after the OMAP1 MPU timer code.
15 *
16 * This file is subject to the terms and conditions of the GNU General Public
17 * License. See the file "COPYING" in the main directory of this archive
18 * for more details.
19 */
20#include <linux/init.h>
21#include <linux/time.h>
22#include <linux/interrupt.h>
23#include <linux/err.h>
24#include <asm/mach/time.h>
25#include <asm/delay.h>
26#include <asm/io.h>
27#include <asm/hardware/clock.h>
28
29#define OMAP2_GP_TIMER1_BASE 0x48028000
30#define OMAP2_GP_TIMER2_BASE 0x4802a000
31#define OMAP2_GP_TIMER3_BASE 0x48078000
32#define OMAP2_GP_TIMER4_BASE 0x4807a000
33
34#define GP_TIMER_TIDR 0x00
35#define GP_TIMER_TISR 0x18
36#define GP_TIMER_TIER 0x1c
37#define GP_TIMER_TCLR 0x24
38#define GP_TIMER_TCRR 0x28
39#define GP_TIMER_TLDR 0x2c
40#define GP_TIMER_TSICR 0x40
41
42#define OS_TIMER_NR 1 /* GP timer 2 */
43
44static unsigned long timer_base[] = {
45 IO_ADDRESS(OMAP2_GP_TIMER1_BASE),
46 IO_ADDRESS(OMAP2_GP_TIMER2_BASE),
47 IO_ADDRESS(OMAP2_GP_TIMER3_BASE),
48 IO_ADDRESS(OMAP2_GP_TIMER4_BASE),
49};
50
51static inline unsigned int timer_read_reg(int nr, unsigned int reg)
52{
53 return __raw_readl(timer_base[nr] + reg);
54}
55
56static inline void timer_write_reg(int nr, unsigned int reg, unsigned int val)
57{
58 __raw_writel(val, timer_base[nr] + reg);
59}
60
61/* Note that we always enable the clock prescale divider bit */
62static inline void omap2_gp_timer_start(int nr, unsigned long load_val)
63{
64 unsigned int tmp;
65
66 tmp = 0xffffffff - load_val;
67
68 timer_write_reg(nr, GP_TIMER_TLDR, tmp);
69 timer_write_reg(nr, GP_TIMER_TCRR, tmp);
70 timer_write_reg(nr, GP_TIMER_TIER, 1 << 1);
71 timer_write_reg(nr, GP_TIMER_TCLR, (1 << 5) | (1 << 1) | 1);
72}
73
74static irqreturn_t omap2_gp_timer_interrupt(int irq, void *dev_id,
75 struct pt_regs *regs)
76{
77 write_seqlock(&xtime_lock);
78
79 timer_write_reg(OS_TIMER_NR, GP_TIMER_TISR, 1 << 1);
80 timer_tick(regs);
81
82 write_sequnlock(&xtime_lock);
83
84 return IRQ_HANDLED;
85}
86
87static struct irqaction omap2_gp_timer_irq = {
88 .name = "gp timer",
89 .flags = SA_INTERRUPT,
90 .handler = omap2_gp_timer_interrupt,
91};
92
93static void __init omap2_gp_timer_init(void)
94{
95 struct clk * sys_ck;
96 u32 tick_period = 120000;
97 u32 l;
98
99 /* Reset clock and prescale value */
100 timer_write_reg(OS_TIMER_NR, GP_TIMER_TCLR, 0);
101
102 sys_ck = clk_get(NULL, "sys_ck");
103 if (IS_ERR(sys_ck))
104 printk(KERN_ERR "Could not get sys_ck\n");
105 else {
106 clk_use(sys_ck);
107 tick_period = clk_get_rate(sys_ck) / 100;
108 clk_put(sys_ck);
109 }
110
111 tick_period /= 2; /* Minimum prescale divider is 2 */
112 tick_period -= 1;
113
114 l = timer_read_reg(OS_TIMER_NR, GP_TIMER_TIDR);
115 printk(KERN_INFO "OMAP2 GP timer (HW version %d.%d)\n",
116 (l >> 4) & 0x0f, l & 0x0f);
117
118 setup_irq(38, &omap2_gp_timer_irq);
119
120 omap2_gp_timer_start(OS_TIMER_NR, tick_period);
121}
122
123struct sys_timer omap_timer = {
124 .init = omap2_gp_timer_init,
125};
126
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index b380a438e68f..e201aa9765b9 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -60,6 +60,7 @@ config MACH_CORGI
60 bool "Enable Sharp SL-C700 (Corgi) Support" 60 bool "Enable Sharp SL-C700 (Corgi) Support"
61 depends PXA_SHARPSL_25x 61 depends PXA_SHARPSL_25x
62 select PXA_SHARP_C7xx 62 select PXA_SHARP_C7xx
63 select PXA_SSP
63 64
64config MACH_SHEPHERD 65config MACH_SHEPHERD
65 bool "Enable Sharp SL-C750 (Shepherd) Support" 66 bool "Enable Sharp SL-C750 (Shepherd) Support"
@@ -102,12 +103,18 @@ config IWMMXT
102 103
103config PXA_SHARP_C7xx 104config PXA_SHARP_C7xx
104 bool 105 bool
106 select PXA_SSP
105 help 107 help
106 Enable support for all Sharp C7xx models 108 Enable support for all Sharp C7xx models
107 109
108config PXA_SHARP_Cxx00 110config PXA_SHARP_Cxx00
109 bool 111 bool
112 select PXA_SSP
110 help 113 help
111 Enable common support for Sharp Cxx00 models 114 Enable common support for Sharp Cxx00 models
112 115
116config PXA_SSP
117 tristate
118 help
119 Enable support for PXA2xx SSP ports
113endif 120endif
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index 8bc72d07cea8..d210bd5032ce 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -11,8 +11,8 @@ obj-$(CONFIG_PXA27x) += pxa27x.o
11obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o 11obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o
12obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o 12obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o
13obj-$(CONFIG_ARCH_PXA_IDP) += idp.o 13obj-$(CONFIG_ARCH_PXA_IDP) += idp.o
14obj-$(CONFIG_PXA_SHARP_C7xx) += corgi.o corgi_ssp.o corgi_lcd.o ssp.o 14obj-$(CONFIG_PXA_SHARP_C7xx) += corgi.o corgi_ssp.o corgi_lcd.o
15obj-$(CONFIG_PXA_SHARP_Cxx00) += spitz.o corgi_ssp.o corgi_lcd.o ssp.o 15obj-$(CONFIG_PXA_SHARP_Cxx00) += spitz.o corgi_ssp.o corgi_lcd.o
16obj-$(CONFIG_MACH_POODLE) += poodle.o 16obj-$(CONFIG_MACH_POODLE) += poodle.o
17obj-$(CONFIG_MACH_TOSA) += tosa.o 17obj-$(CONFIG_MACH_TOSA) += tosa.o
18 18
@@ -26,6 +26,7 @@ obj-$(CONFIG_LEDS) += $(led-y)
26 26
27# Misc features 27# Misc features
28obj-$(CONFIG_PM) += pm.o sleep.o 28obj-$(CONFIG_PM) += pm.o sleep.o
29obj-$(CONFIG_PXA_SSP) += ssp.o
29 30
30ifeq ($(CONFIG_PXA27x),y) 31ifeq ($(CONFIG_PXA27x),y)
31obj-$(CONFIG_PM) += standby.o 32obj-$(CONFIG_PM) += standby.o
diff --git a/arch/arm/mach-pxa/corgi_ssp.c b/arch/arm/mach-pxa/corgi_ssp.c
index 591e5f32dbec..bdf10cfa9440 100644
--- a/arch/arm/mach-pxa/corgi_ssp.c
+++ b/arch/arm/mach-pxa/corgi_ssp.c
@@ -203,7 +203,7 @@ static int __init corgi_ssp_probe(struct device *dev)
203 GPDR(ssp_machinfo->cs_ads7846) |= GPIO_bit(ssp_machinfo->cs_ads7846); /* output */ 203 GPDR(ssp_machinfo->cs_ads7846) |= GPIO_bit(ssp_machinfo->cs_ads7846); /* output */
204 GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); /* High - Disable ADS7846*/ 204 GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); /* High - Disable ADS7846*/
205 205
206 ret = ssp_init(&corgi_ssp_dev,ssp_machinfo->port); 206 ret = ssp_init(&corgi_ssp_dev, ssp_machinfo->port, 0);
207 207
208 if (ret) 208 if (ret)
209 printk(KERN_ERR "Unable to register SSP handler!\n"); 209 printk(KERN_ERR "Unable to register SSP handler!\n");
diff --git a/arch/arm/mach-pxa/sharpsl.h b/arch/arm/mach-pxa/sharpsl.h
index 3977a77aacdd..4879c0f7da72 100644
--- a/arch/arm/mach-pxa/sharpsl.h
+++ b/arch/arm/mach-pxa/sharpsl.h
@@ -32,3 +32,90 @@ void corgi_put_hsync(void);
32void spitz_put_hsync(void); 32void spitz_put_hsync(void);
33void corgi_wait_hsync(void); 33void corgi_wait_hsync(void);
34void spitz_wait_hsync(void); 34void spitz_wait_hsync(void);
35
36/*
37 * SharpSL Battery/PM Driver
38 */
39
40struct sharpsl_charger_machinfo {
41 void (*init)(void);
42 int gpio_acin;
43 int gpio_batfull;
44 int gpio_batlock;
45 int gpio_fatal;
46 int (*status_acin)(void);
47 void (*discharge)(int);
48 void (*discharge1)(int);
49 void (*charge)(int);
50 void (*chargeled)(int);
51 void (*measure_temp)(int);
52 void (*presuspend)(void);
53 void (*postsuspend)(void);
54 unsigned long (*charger_wakeup)(void);
55 int (*should_wakeup)(unsigned int resume_on_alarm);
56 int bat_levels;
57 struct battery_thresh *bat_levels_noac;
58 struct battery_thresh *bat_levels_acin;
59 int status_high_acin;
60 int status_low_acin;
61 int status_high_noac;
62 int status_low_noac;
63};
64
65struct battery_thresh {
66 int voltage;
67 int percentage;
68};
69
70struct battery_stat {
71 int ac_status; /* APM AC Present/Not Present */
72 int mainbat_status; /* APM Main Battery Status */
73 int mainbat_percent; /* Main Battery Percentage Charge */
74 int mainbat_voltage; /* Main Battery Voltage */
75};
76
77struct sharpsl_pm_status {
78 struct device *dev;
79 struct timer_list ac_timer;
80 struct timer_list chrg_full_timer;
81
82 int charge_mode;
83#define CHRG_ERROR (-1)
84#define CHRG_OFF (0)
85#define CHRG_ON (1)
86#define CHRG_DONE (2)
87
88 unsigned int flags;
89#define SHARPSL_SUSPENDED (1 << 0) /* Device is Suspended */
90#define SHARPSL_ALARM_ACTIVE (1 << 1) /* Alarm is for charging event (not user) */
91#define SHARPSL_BL_LIMIT (1 << 2) /* Backlight Intensity Limited */
92#define SHARPSL_APM_QUEUED (1 << 3) /* APM Event Queued */
93#define SHARPSL_DO_OFFLINE_CHRG (1 << 4) /* Trigger the offline charger */
94
95 int full_count;
96 unsigned long charge_start_time;
97 struct sharpsl_charger_machinfo *machinfo;
98 struct battery_stat battstat;
99};
100
101extern struct sharpsl_pm_status sharpsl_pm;
102extern struct battery_thresh spitz_battery_levels_acin[];
103extern struct battery_thresh spitz_battery_levels_noac[];
104
105#define READ_GPIO_BIT(x) (GPLR(x) & GPIO_bit(x))
106
107#define SHARPSL_LED_ERROR 2
108#define SHARPSL_LED_ON 1
109#define SHARPSL_LED_OFF 0
110
111#define CHARGE_ON() sharpsl_pm.machinfo->charge(1)
112#define CHARGE_OFF() sharpsl_pm.machinfo->charge(0)
113#define CHARGE_LED_ON() sharpsl_pm.machinfo->chargeled(SHARPSL_LED_ON)
114#define CHARGE_LED_OFF() sharpsl_pm.machinfo->chargeled(SHARPSL_LED_OFF)
115#define CHARGE_LED_ERR() sharpsl_pm.machinfo->chargeled(SHARPSL_LED_ERROR)
116#define DISCHARGE_ON() sharpsl_pm.machinfo->discharge(1)
117#define DISCHARGE_OFF() sharpsl_pm.machinfo->discharge(0)
118#define STATUS_AC_IN sharpsl_pm.machinfo->status_acin()
119#define STATUS_BATT_LOCKED READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_batlock)
120#define STATUS_CHRG_FULL READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_batfull)
121#define STATUS_FATAL READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_fatal)
diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
new file mode 100644
index 000000000000..6c9e871c53d8
--- /dev/null
+++ b/arch/arm/mach-pxa/sharpsl_pm.c
@@ -0,0 +1,992 @@
1/*
2 * Battery and Power Management code for the Sharp SL-C7xx and SL-Cxx00
3 * series of PDAs
4 *
5 * Copyright (c) 2004-2005 Richard Purdie
6 *
7 * Based on code written by Sharp for 2.4 kernels
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 *
13 */
14
15#undef DEBUG
16
17#include <linux/module.h>
18#include <linux/timer.h>
19#include <linux/init.h>
20#include <linux/kernel.h>
21#include <linux/apm_bios.h>
22#include <linux/delay.h>
23#include <linux/interrupt.h>
24#include <linux/device.h>
25
26#include <asm/hardware.h>
27#include <asm/hardware/scoop.h>
28#include <asm/mach-types.h>
29#include <asm/irq.h>
30#include <asm/apm.h>
31
32#include <asm/arch/pm.h>
33#include <asm/arch/pxa-regs.h>
34#include <asm/arch/sharpsl.h>
35#include "sharpsl.h"
36
37/*
38 * Constants
39 */
40#define SHARPSL_CHARGE_ON_TIME_INTERVAL (msecs_to_jiffies(1*60*1000)) /* 1 min */
41#define SHARPSL_CHARGE_FINISH_TIME (msecs_to_jiffies(10*60*1000)) /* 10 min */
42#define SHARPSL_BATCHK_TIME (msecs_to_jiffies(15*1000)) /* 15 sec */
43#define SHARPSL_BATCHK_TIME_SUSPEND (60*10) /* 10 min */
44#define SHARPSL_WAIT_CO_TIME 15 /* 15 sec */
45#define SHARPSL_WAIT_DISCHARGE_ON 100 /* 100 msec */
46#define SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP 10 /* 10 msec */
47#define SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT 10 /* 10 msec */
48#define SHARPSL_CHECK_BATTERY_WAIT_TIME_JKVAD 10 /* 10 msec */
49#define SHARPSL_CHARGE_WAIT_TIME 15 /* 15 msec */
50#define SHARPSL_CHARGE_CO_CHECK_TIME 5 /* 5 msec */
51#define SHARPSL_CHARGE_RETRY_CNT 1 /* eqv. 10 min */
52
53#define SHARPSL_CHARGE_ON_VOLT 0x99 /* 2.9V */
54#define SHARPSL_CHARGE_ON_TEMP 0xe0 /* 2.9V */
55#define SHARPSL_CHARGE_ON_JKVAD_HIGH 0x9b /* 6V */
56#define SHARPSL_CHARGE_ON_JKVAD_LOW 0x34 /* 2V */
57#define SHARPSL_FATAL_ACIN_VOLT 182 /* 3.45V */
58#define SHARPSL_FATAL_NOACIN_VOLT 170 /* 3.40V */
59
60struct battery_thresh spitz_battery_levels_acin[] = {
61 { 213, 100},
62 { 212, 98},
63 { 211, 95},
64 { 210, 93},
65 { 209, 90},
66 { 208, 88},
67 { 207, 85},
68 { 206, 83},
69 { 205, 80},
70 { 204, 78},
71 { 203, 75},
72 { 202, 73},
73 { 201, 70},
74 { 200, 68},
75 { 199, 65},
76 { 198, 63},
77 { 197, 60},
78 { 196, 58},
79 { 195, 55},
80 { 194, 53},
81 { 193, 50},
82 { 192, 48},
83 { 192, 45},
84 { 191, 43},
85 { 191, 40},
86 { 190, 38},
87 { 190, 35},
88 { 189, 33},
89 { 188, 30},
90 { 187, 28},
91 { 186, 25},
92 { 185, 23},
93 { 184, 20},
94 { 183, 18},
95 { 182, 15},
96 { 181, 13},
97 { 180, 10},
98 { 179, 8},
99 { 178, 5},
100 { 0, 0},
101};
102
103struct battery_thresh spitz_battery_levels_noac[] = {
104 { 213, 100},
105 { 212, 98},
106 { 211, 95},
107 { 210, 93},
108 { 209, 90},
109 { 208, 88},
110 { 207, 85},
111 { 206, 83},
112 { 205, 80},
113 { 204, 78},
114 { 203, 75},
115 { 202, 73},
116 { 201, 70},
117 { 200, 68},
118 { 199, 65},
119 { 198, 63},
120 { 197, 60},
121 { 196, 58},
122 { 195, 55},
123 { 194, 53},
124 { 193, 50},
125 { 192, 48},
126 { 191, 45},
127 { 190, 43},
128 { 189, 40},
129 { 188, 38},
130 { 187, 35},
131 { 186, 33},
132 { 185, 30},
133 { 184, 28},
134 { 183, 25},
135 { 182, 23},
136 { 181, 20},
137 { 180, 18},
138 { 179, 15},
139 { 178, 13},
140 { 177, 10},
141 { 176, 8},
142 { 175, 5},
143 { 0, 0},
144};
145
146/* MAX1111 Commands */
147#define MAXCTRL_PD0 1u << 0
148#define MAXCTRL_PD1 1u << 1
149#define MAXCTRL_SGL 1u << 2
150#define MAXCTRL_UNI 1u << 3
151#define MAXCTRL_SEL_SH 4
152#define MAXCTRL_STR 1u << 7
153
154/* MAX1111 Channel Definitions */
155#define BATT_AD 4u
156#define BATT_THM 2u
157#define JK_VAD 6u
158
159
160/*
161 * Prototypes
162 */
163static int sharpsl_read_MainBattery(void);
164static int sharpsl_off_charge_battery(void);
165static int sharpsl_check_battery(int mode);
166static int sharpsl_ac_check(void);
167static int sharpsl_fatal_check(void);
168static int sharpsl_average_value(int ad);
169static void sharpsl_average_clear(void);
170static void sharpsl_charge_toggle(void *private_);
171static void sharpsl_battery_thread(void *private_);
172
173
174/*
175 * Variables
176 */
177struct sharpsl_pm_status sharpsl_pm;
178DECLARE_WORK(toggle_charger, sharpsl_charge_toggle, NULL);
179DECLARE_WORK(sharpsl_bat, sharpsl_battery_thread, NULL);
180
181
182static int get_percentage(int voltage)
183{
184 int i = sharpsl_pm.machinfo->bat_levels - 1;
185 struct battery_thresh *thresh;
186
187 if (sharpsl_pm.charge_mode == CHRG_ON)
188 thresh=sharpsl_pm.machinfo->bat_levels_acin;
189 else
190 thresh=sharpsl_pm.machinfo->bat_levels_noac;
191
192 while (i > 0 && (voltage > thresh[i].voltage))
193 i--;
194
195 return thresh[i].percentage;
196}
197
198static int get_apm_status(int voltage)
199{
200 int low_thresh, high_thresh;
201
202 if (sharpsl_pm.charge_mode == CHRG_ON) {
203 high_thresh = sharpsl_pm.machinfo->status_high_acin;
204 low_thresh = sharpsl_pm.machinfo->status_low_acin;
205 } else {
206 high_thresh = sharpsl_pm.machinfo->status_high_noac;
207 low_thresh = sharpsl_pm.machinfo->status_low_noac;
208 }
209
210 if (voltage >= high_thresh)
211 return APM_BATTERY_STATUS_HIGH;
212 if (voltage >= low_thresh)
213 return APM_BATTERY_STATUS_LOW;
214 return APM_BATTERY_STATUS_CRITICAL;
215}
216
217void sharpsl_battery_kick(void)
218{
219 schedule_delayed_work(&sharpsl_bat, msecs_to_jiffies(125));
220}
221EXPORT_SYMBOL(sharpsl_battery_kick);
222
223
224static void sharpsl_battery_thread(void *private_)
225{
226 int voltage, percent, apm_status, i = 0;
227
228 if (!sharpsl_pm.machinfo)
229 return;
230
231 sharpsl_pm.battstat.ac_status = (!(STATUS_AC_IN) ? APM_AC_OFFLINE : APM_AC_ONLINE);
232
233 /* Corgi cannot confirm when battery fully charged so periodically kick! */
234 if (machine_is_corgi() && (sharpsl_pm.charge_mode == CHRG_ON)
235 && time_after(jiffies, sharpsl_pm.charge_start_time + SHARPSL_CHARGE_ON_TIME_INTERVAL))
236 schedule_work(&toggle_charger);
237
238 while(1) {
239 voltage = sharpsl_read_MainBattery();
240 if (voltage > 0) break;
241 if (i++ > 5) {
242 voltage = sharpsl_pm.machinfo->bat_levels_noac[0].voltage;
243 dev_warn(sharpsl_pm.dev, "Warning: Cannot read main battery!\n");
244 break;
245 }
246 }
247
248 voltage = sharpsl_average_value(voltage);
249 apm_status = get_apm_status(voltage);
250 percent = get_percentage(voltage);
251
252 /* At low battery voltages, the voltage has a tendency to start
253 creeping back up so we try to avoid this here */
254 if ((sharpsl_pm.battstat.ac_status == APM_AC_ONLINE) || (apm_status == APM_BATTERY_STATUS_HIGH) || percent <= sharpsl_pm.battstat.mainbat_percent) {
255 sharpsl_pm.battstat.mainbat_voltage = voltage;
256 sharpsl_pm.battstat.mainbat_status = apm_status;
257 sharpsl_pm.battstat.mainbat_percent = percent;
258 }
259
260 dev_dbg(sharpsl_pm.dev, "Battery: voltage: %d, status: %d, percentage: %d, time: %d\n", voltage,
261 sharpsl_pm.battstat.mainbat_status, sharpsl_pm.battstat.mainbat_percent, jiffies);
262
263 /* If battery is low. limit backlight intensity to save power. */
264 if ((sharpsl_pm.battstat.ac_status != APM_AC_ONLINE)
265 && ((sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_LOW) ||
266 (sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_CRITICAL))) {
267 if (!(sharpsl_pm.flags & SHARPSL_BL_LIMIT)) {
268 corgibl_limit_intensity(1);
269 sharpsl_pm.flags |= SHARPSL_BL_LIMIT;
270 }
271 } else if (sharpsl_pm.flags & SHARPSL_BL_LIMIT) {
272 corgibl_limit_intensity(0);
273 sharpsl_pm.flags &= ~SHARPSL_BL_LIMIT;
274 }
275
276 /* Suspend if critical battery level */
277 if ((sharpsl_pm.battstat.ac_status != APM_AC_ONLINE)
278 && (sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_CRITICAL)
279 && !(sharpsl_pm.flags & SHARPSL_APM_QUEUED)) {
280 sharpsl_pm.flags |= SHARPSL_APM_QUEUED;
281 dev_err(sharpsl_pm.dev, "Fatal Off\n");
282 apm_queue_event(APM_CRITICAL_SUSPEND);
283 }
284
285 schedule_delayed_work(&sharpsl_bat, SHARPSL_BATCHK_TIME);
286}
287
288static void sharpsl_charge_on(void)
289{
290 dev_dbg(sharpsl_pm.dev, "Turning Charger On\n");
291
292 sharpsl_pm.full_count = 0;
293 sharpsl_pm.charge_mode = CHRG_ON;
294 schedule_delayed_work(&toggle_charger, msecs_to_jiffies(250));
295 schedule_delayed_work(&sharpsl_bat, msecs_to_jiffies(500));
296}
297
298static void sharpsl_charge_off(void)
299{
300 dev_dbg(sharpsl_pm.dev, "Turning Charger Off\n");
301
302 CHARGE_OFF();
303 CHARGE_LED_OFF();
304 sharpsl_pm.charge_mode = CHRG_OFF;
305
306 schedule_work(&sharpsl_bat);
307}
308
309static void sharpsl_charge_error(void)
310{
311 CHARGE_LED_ERR();
312 CHARGE_OFF();
313 sharpsl_pm.charge_mode = CHRG_ERROR;
314}
315
316static void sharpsl_charge_toggle(void *private_)
317{
318 dev_dbg(sharpsl_pm.dev, "Toogling Charger at time: %lx\n", jiffies);
319
320 if (STATUS_AC_IN == 0) {
321 sharpsl_charge_off();
322 return;
323 } else if ((sharpsl_check_battery(1) < 0) || (sharpsl_ac_check() < 0)) {
324 sharpsl_charge_error();
325 return;
326 }
327
328 CHARGE_LED_ON();
329 CHARGE_OFF();
330 mdelay(SHARPSL_CHARGE_WAIT_TIME);
331 CHARGE_ON();
332
333 sharpsl_pm.charge_start_time = jiffies;
334}
335
336static void sharpsl_ac_timer(unsigned long data)
337{
338 int acin = STATUS_AC_IN;
339
340 dev_dbg(sharpsl_pm.dev, "AC Status: %d\n",acin);
341
342 sharpsl_average_clear();
343 if (acin && (sharpsl_pm.charge_mode != CHRG_ON))
344 sharpsl_charge_on();
345 else if (sharpsl_pm.charge_mode == CHRG_ON)
346 sharpsl_charge_off();
347
348 schedule_work(&sharpsl_bat);
349}
350
351
352static irqreturn_t sharpsl_ac_isr(int irq, void *dev_id, struct pt_regs *fp)
353{
354 /* Delay the event slightly to debounce */
355 /* Must be a smaller delay than the chrg_full_isr below */
356 mod_timer(&sharpsl_pm.ac_timer, jiffies + msecs_to_jiffies(250));
357
358 return IRQ_HANDLED;
359}
360
361static void sharpsl_chrg_full_timer(unsigned long data)
362{
363 dev_dbg(sharpsl_pm.dev, "Charge Full at time: %lx\n", jiffies);
364
365 sharpsl_pm.full_count++;
366
367 if (STATUS_AC_IN == 0) {
368 dev_dbg(sharpsl_pm.dev, "Charge Full: AC removed - stop charging!\n");
369 if (sharpsl_pm.charge_mode == CHRG_ON)
370 sharpsl_charge_off();
371 } else if (sharpsl_pm.full_count < 2) {
372 dev_dbg(sharpsl_pm.dev, "Charge Full: Count too low\n");
373 schedule_work(&toggle_charger);
374 } else if (time_after(jiffies, sharpsl_pm.charge_start_time + SHARPSL_CHARGE_FINISH_TIME)) {
375 dev_dbg(sharpsl_pm.dev, "Charge Full: Interrupt generated too slowly - retry.\n");
376 schedule_work(&toggle_charger);
377 } else {
378 sharpsl_charge_off();
379 sharpsl_pm.charge_mode = CHRG_DONE;
380 dev_dbg(sharpsl_pm.dev, "Charge Full: Charging Finished\n");
381 }
382}
383
384/* Charging Finished Interrupt (Not present on Corgi) */
385/* Can trigger at the same time as an AC staus change so
386 delay until after that has been processed */
387static irqreturn_t sharpsl_chrg_full_isr(int irq, void *dev_id, struct pt_regs *fp)
388{
389 if (sharpsl_pm.flags & SHARPSL_SUSPENDED)
390 return IRQ_HANDLED;
391
392 /* delay until after any ac interrupt */
393 mod_timer(&sharpsl_pm.chrg_full_timer, jiffies + msecs_to_jiffies(500));
394
395 return IRQ_HANDLED;
396}
397
398static irqreturn_t sharpsl_fatal_isr(int irq, void *dev_id, struct pt_regs *fp)
399{
400 int is_fatal = 0;
401
402 if (STATUS_BATT_LOCKED == 0) {
403 dev_err(sharpsl_pm.dev, "Battery now Unlocked! Suspending.\n");
404 is_fatal = 1;
405 }
406
407 if (sharpsl_pm.machinfo->gpio_fatal && (STATUS_FATAL == 0)) {
408 dev_err(sharpsl_pm.dev, "Fatal Batt Error! Suspending.\n");
409 is_fatal = 1;
410 }
411
412 if (!(sharpsl_pm.flags & SHARPSL_APM_QUEUED) && is_fatal) {
413 sharpsl_pm.flags |= SHARPSL_APM_QUEUED;
414 apm_queue_event(APM_CRITICAL_SUSPEND);
415 }
416
417 return IRQ_HANDLED;
418}
419
420/*
421 * Maintain an average of the last 10 readings
422 */
423#define SHARPSL_CNV_VALUE_NUM 10
424static int sharpsl_ad_index;
425
426static void sharpsl_average_clear(void)
427{
428 sharpsl_ad_index = 0;
429}
430
431static int sharpsl_average_value(int ad)
432{
433 int i, ad_val = 0;
434 static int sharpsl_ad[SHARPSL_CNV_VALUE_NUM+1];
435
436 if (sharpsl_pm.battstat.mainbat_status != APM_BATTERY_STATUS_HIGH) {
437 sharpsl_ad_index = 0;
438 return ad;
439 }
440
441 sharpsl_ad[sharpsl_ad_index] = ad;
442 sharpsl_ad_index++;
443 if (sharpsl_ad_index >= SHARPSL_CNV_VALUE_NUM) {
444 for (i=0; i < (SHARPSL_CNV_VALUE_NUM-1); i++)
445 sharpsl_ad[i] = sharpsl_ad[i+1];
446 sharpsl_ad_index = SHARPSL_CNV_VALUE_NUM - 1;
447 }
448 for (i=0; i < sharpsl_ad_index; i++)
449 ad_val += sharpsl_ad[i];
450
451 return (ad_val / sharpsl_ad_index);
452}
453
454
455/*
456 * Read MAX1111 ADC
457 */
458static int read_max1111(int channel)
459{
460 return corgi_ssp_max1111_get((channel << MAXCTRL_SEL_SH) | MAXCTRL_PD0 | MAXCTRL_PD1
461 | MAXCTRL_SGL | MAXCTRL_UNI | MAXCTRL_STR);
462}
463
464static int sharpsl_read_MainBattery(void)
465{
466 return read_max1111(BATT_AD);
467}
468
469static int sharpsl_read_Temp(void)
470{
471 int temp;
472
473 sharpsl_pm.machinfo->measure_temp(1);
474
475 mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP);
476 temp = read_max1111(BATT_THM);
477
478 sharpsl_pm.machinfo->measure_temp(0);
479
480 return temp;
481}
482
483static int sharpsl_read_jkvad(void)
484{
485 return read_max1111(JK_VAD);
486}
487
488/*
489 * Take an array of 5 integers, remove the maximum and minimum values
490 * and return the average.
491 */
492static int get_select_val(int *val)
493{
494 int i, j, k, temp, sum = 0;
495
496 /* Find MAX val */
497 temp = val[0];
498 j=0;
499 for (i=1; i<5; i++) {
500 if (temp < val[i]) {
501 temp = val[i];
502 j = i;
503 }
504 }
505
506 /* Find MIN val */
507 temp = val[4];
508 k=4;
509 for (i=3; i>=0; i--) {
510 if (temp > val[i]) {
511 temp = val[i];
512 k = i;
513 }
514 }
515
516 for (i=0; i<5; i++)
517 if (i != j && i != k )
518 sum += val[i];
519
520 dev_dbg(sharpsl_pm.dev, "Average: %d from values: %d, %d, %d, %d, %d\n", sum/3, val[0], val[1], val[2], val[3], val[4]);
521
522 return (sum/3);
523}
524
525/* mode 0 - Check temperature and voltage
526 * 1 - Check temperature only */
527static int sharpsl_check_battery(int mode)
528{
529 int val, i, buff[5];
530
531 /* Check battery temperature */
532 for (i=0; i<5; i++) {
533 mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP);
534 buff[i] = sharpsl_read_Temp();
535 }
536
537 val = get_select_val(buff);
538
539 dev_dbg(sharpsl_pm.dev, "Temperature: %d\n", val);
540 if (val > SHARPSL_CHARGE_ON_TEMP)
541 return -1;
542 if (mode == 1)
543 return 0;
544
545 /* disable charge, enable discharge */
546 CHARGE_OFF();
547 DISCHARGE_ON();
548 mdelay(SHARPSL_WAIT_DISCHARGE_ON);
549
550 if (sharpsl_pm.machinfo->discharge1)
551 sharpsl_pm.machinfo->discharge1(1);
552
553 /* Check battery voltage */
554 for (i=0; i<5; i++) {
555 buff[i] = sharpsl_read_MainBattery();
556 mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT);
557 }
558
559 if (sharpsl_pm.machinfo->discharge1)
560 sharpsl_pm.machinfo->discharge1(0);
561
562 DISCHARGE_OFF();
563
564 val = get_select_val(buff);
565 dev_dbg(sharpsl_pm.dev, "Battery Voltage: %d\n", val);
566
567 if (val < SHARPSL_CHARGE_ON_VOLT)
568 return -1;
569
570 return 0;
571}
572
573static int sharpsl_ac_check(void)
574{
575 int temp, i, buff[5];
576
577 for (i=0; i<5; i++) {
578 buff[i] = sharpsl_read_jkvad();
579 mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_JKVAD);
580 }
581
582 temp = get_select_val(buff);
583 dev_dbg(sharpsl_pm.dev, "AC Voltage: %d\n",temp);
584
585 if ((temp > SHARPSL_CHARGE_ON_JKVAD_HIGH) || (temp < SHARPSL_CHARGE_ON_JKVAD_LOW)) {
586 dev_err(sharpsl_pm.dev, "Error: AC check failed.\n");
587 return -1;
588 }
589
590 return 0;
591}
592
593#ifdef CONFIG_PM
594static int sharpsl_pm_suspend(struct device *dev, pm_message_t state)
595{
596 sharpsl_pm.flags |= SHARPSL_SUSPENDED;
597 flush_scheduled_work();
598
599 if (sharpsl_pm.charge_mode == CHRG_ON)
600 sharpsl_pm.flags |= SHARPSL_DO_OFFLINE_CHRG;
601 else
602 sharpsl_pm.flags &= ~SHARPSL_DO_OFFLINE_CHRG;
603
604 return 0;
605}
606
607static int sharpsl_pm_resume(struct device *dev)
608{
609 /* Clear the reset source indicators as they break the bootloader upon reboot */
610 RCSR = 0x0f;
611 sharpsl_average_clear();
612 sharpsl_pm.flags &= ~SHARPSL_APM_QUEUED;
613 sharpsl_pm.flags &= ~SHARPSL_SUSPENDED;
614
615 return 0;
616}
617
618static void corgi_goto_sleep(unsigned long alarm_time, unsigned int alarm_enable, suspend_state_t state)
619{
620 dev_dbg(sharpsl_pm.dev, "Time is: %08x\n",RCNR);
621
622 dev_dbg(sharpsl_pm.dev, "Offline Charge Activate = %d\n",sharpsl_pm.flags & SHARPSL_DO_OFFLINE_CHRG);
623 /* not charging and AC-IN! */
624
625 if ((sharpsl_pm.flags & SHARPSL_DO_OFFLINE_CHRG) && (STATUS_AC_IN != 0)) {
626 dev_dbg(sharpsl_pm.dev, "Activating Offline Charger...\n");
627 sharpsl_pm.charge_mode = CHRG_OFF;
628 sharpsl_pm.flags &= ~SHARPSL_DO_OFFLINE_CHRG;
629 sharpsl_off_charge_battery();
630 }
631
632 sharpsl_pm.machinfo->presuspend();
633
634 PEDR = 0xffffffff; /* clear it */
635
636 sharpsl_pm.flags &= ~SHARPSL_ALARM_ACTIVE;
637 if ((sharpsl_pm.charge_mode == CHRG_ON) && ((alarm_enable && ((alarm_time - RCNR) > (SHARPSL_BATCHK_TIME_SUSPEND + 30))) || !alarm_enable)) {
638 RTSR &= RTSR_ALE;
639 RTAR = RCNR + SHARPSL_BATCHK_TIME_SUSPEND;
640 dev_dbg(sharpsl_pm.dev, "Charging alarm at: %08x\n",RTAR);
641 sharpsl_pm.flags |= SHARPSL_ALARM_ACTIVE;
642 } else if (alarm_enable) {
643 RTSR &= RTSR_ALE;
644 RTAR = alarm_time;
645 dev_dbg(sharpsl_pm.dev, "User alarm at: %08x\n",RTAR);
646 } else {
647 dev_dbg(sharpsl_pm.dev, "No alarms set.\n");
648 }
649
650 pxa_pm_enter(state);
651
652 sharpsl_pm.machinfo->postsuspend();
653
654 dev_dbg(sharpsl_pm.dev, "Corgi woken up from suspend: %08x\n",PEDR);
655}
656
657static int corgi_enter_suspend(unsigned long alarm_time, unsigned int alarm_enable, suspend_state_t state)
658{
659 if (!sharpsl_pm.machinfo->should_wakeup(!(sharpsl_pm.flags & SHARPSL_ALARM_ACTIVE) && alarm_enable) )
660 {
661 if (!(sharpsl_pm.flags & SHARPSL_ALARM_ACTIVE)) {
662 dev_dbg(sharpsl_pm.dev, "No user triggered wakeup events and not charging. Strange. Suspend.\n");
663 corgi_goto_sleep(alarm_time, alarm_enable, state);
664 return 1;
665 }
666 if(sharpsl_off_charge_battery()) {
667 dev_dbg(sharpsl_pm.dev, "Charging. Suspend...\n");
668 corgi_goto_sleep(alarm_time, alarm_enable, state);
669 return 1;
670 }
671 dev_dbg(sharpsl_pm.dev, "User triggered wakeup in offline charger.\n");
672 }
673
674 if ((STATUS_BATT_LOCKED == 0) || (sharpsl_fatal_check() < 0) )
675 {
676 dev_err(sharpsl_pm.dev, "Fatal condition. Suspend.\n");
677 corgi_goto_sleep(alarm_time, alarm_enable, state);
678 return 1;
679 }
680
681 return 0;
682}
683
684static int corgi_pxa_pm_enter(suspend_state_t state)
685{
686 unsigned long alarm_time = RTAR;
687 unsigned int alarm_status = ((RTSR & RTSR_ALE) != 0);
688
689 dev_dbg(sharpsl_pm.dev, "SharpSL suspending for first time.\n");
690
691 corgi_goto_sleep(alarm_time, alarm_status, state);
692
693 while (corgi_enter_suspend(alarm_time,alarm_status,state))
694 {}
695
696 dev_dbg(sharpsl_pm.dev, "SharpSL resuming...\n");
697
698 return 0;
699}
700#endif
701
702
703/*
704 * Check for fatal battery errors
705 * Fatal returns -1
706 */
707static int sharpsl_fatal_check(void)
708{
709 int buff[5], temp, i, acin;
710
711 dev_dbg(sharpsl_pm.dev, "sharpsl_fatal_check entered\n");
712
713 /* Check AC-Adapter */
714 acin = STATUS_AC_IN;
715
716 if (acin && (sharpsl_pm.charge_mode == CHRG_ON)) {
717 CHARGE_OFF();
718 udelay(100);
719 DISCHARGE_ON(); /* enable discharge */
720 mdelay(SHARPSL_WAIT_DISCHARGE_ON);
721 }
722
723 if (sharpsl_pm.machinfo->discharge1)
724 sharpsl_pm.machinfo->discharge1(1);
725
726 /* Check battery : check inserting battery ? */
727 for (i=0; i<5; i++) {
728 buff[i] = sharpsl_read_MainBattery();
729 mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT);
730 }
731
732 if (sharpsl_pm.machinfo->discharge1)
733 sharpsl_pm.machinfo->discharge1(0);
734
735 if (acin && (sharpsl_pm.charge_mode == CHRG_ON)) {
736 udelay(100);
737 CHARGE_ON();
738 DISCHARGE_OFF();
739 }
740
741 temp = get_select_val(buff);
742 dev_dbg(sharpsl_pm.dev, "sharpsl_fatal_check: acin: %d, discharge voltage: %d, no discharge: %d\n", acin, temp, sharpsl_read_MainBattery());
743
744 if ((acin && (temp < SHARPSL_FATAL_ACIN_VOLT)) ||
745 (!acin && (temp < SHARPSL_FATAL_NOACIN_VOLT)))
746 return -1;
747 return 0;
748}
749
750static int sharpsl_off_charge_error(void)
751{
752 dev_err(sharpsl_pm.dev, "Offline Charger: Error occured.\n");
753 CHARGE_OFF();
754 CHARGE_LED_ERR();
755 sharpsl_pm.charge_mode = CHRG_ERROR;
756 return 1;
757}
758
759/*
760 * Charging Control while suspended
761 * Return 1 - go straight to sleep
762 * Return 0 - sleep or wakeup depending on other factors
763 */
764static int sharpsl_off_charge_battery(void)
765{
766 int time;
767
768 dev_dbg(sharpsl_pm.dev, "Charge Mode: %d\n", sharpsl_pm.charge_mode);
769
770 if (sharpsl_pm.charge_mode == CHRG_OFF) {
771 dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 1\n");
772
773 /* AC Check */
774 if ((sharpsl_ac_check() < 0) || (sharpsl_check_battery(1) < 0))
775 return sharpsl_off_charge_error();
776
777 /* Start Charging */
778 CHARGE_LED_ON();
779 CHARGE_OFF();
780 mdelay(SHARPSL_CHARGE_WAIT_TIME);
781 CHARGE_ON();
782
783 sharpsl_pm.charge_mode = CHRG_ON;
784 sharpsl_pm.full_count = 0;
785
786 return 1;
787 } else if (sharpsl_pm.charge_mode != CHRG_ON) {
788 return 1;
789 }
790
791 if (sharpsl_pm.full_count == 0) {
792 int time;
793
794 dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 2\n");
795
796 if (sharpsl_check_battery(0) < 0)
797 return sharpsl_off_charge_error();
798
799 CHARGE_OFF();
800 mdelay(SHARPSL_CHARGE_WAIT_TIME);
801 CHARGE_ON();
802 sharpsl_pm.charge_mode = CHRG_ON;
803
804 mdelay(SHARPSL_CHARGE_CO_CHECK_TIME);
805
806 time = RCNR;
807 while(1) {
808 /* Check if any wakeup event had occured */
809 if (sharpsl_pm.machinfo->charger_wakeup() != 0)
810 return 0;
811 /* Check for timeout */
812 if ((RCNR - time) > SHARPSL_WAIT_CO_TIME)
813 return 1;
814 if (STATUS_CHRG_FULL) {
815 dev_dbg(sharpsl_pm.dev, "Offline Charger: Charge full occured. Retrying to check\n");
816 sharpsl_pm.full_count++;
817 CHARGE_OFF();
818 mdelay(SHARPSL_CHARGE_WAIT_TIME);
819 CHARGE_ON();
820 return 1;
821 }
822 }
823 }
824
825 dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 3\n");
826
827 mdelay(SHARPSL_CHARGE_CO_CHECK_TIME);
828
829 time = RCNR;
830 while(1) {
831 /* Check if any wakeup event had occured */
832 if (sharpsl_pm.machinfo->charger_wakeup() != 0)
833 return 0;
834 /* Check for timeout */
835 if ((RCNR-time) > SHARPSL_WAIT_CO_TIME) {
836 if (sharpsl_pm.full_count > SHARPSL_CHARGE_RETRY_CNT) {
837 dev_dbg(sharpsl_pm.dev, "Offline Charger: Not charged sufficiently. Retrying.\n");
838 sharpsl_pm.full_count = 0;
839 }
840 sharpsl_pm.full_count++;
841 return 1;
842 }
843 if (STATUS_CHRG_FULL) {
844 dev_dbg(sharpsl_pm.dev, "Offline Charger: Charging complete.\n");
845 CHARGE_LED_OFF();
846 CHARGE_OFF();
847 sharpsl_pm.charge_mode = CHRG_DONE;
848 return 1;
849 }
850 }
851}
852
853
854static ssize_t battery_percentage_show(struct device *dev, struct device_attribute *attr, char *buf)
855{
856 return sprintf(buf, "%d\n",sharpsl_pm.battstat.mainbat_percent);
857}
858
859static ssize_t battery_voltage_show(struct device *dev, struct device_attribute *attr, char *buf)
860{
861 return sprintf(buf, "%d\n",sharpsl_pm.battstat.mainbat_voltage);
862}
863
864static DEVICE_ATTR(battery_percentage, 0444, battery_percentage_show, NULL);
865static DEVICE_ATTR(battery_voltage, 0444, battery_voltage_show, NULL);
866
867extern void (*apm_get_power_status)(struct apm_power_info *);
868
869static void sharpsl_apm_get_power_status(struct apm_power_info *info)
870{
871 info->ac_line_status = sharpsl_pm.battstat.ac_status;
872
873 if (sharpsl_pm.charge_mode == CHRG_ON)
874 info->battery_status = APM_BATTERY_STATUS_CHARGING;
875 else
876 info->battery_status = sharpsl_pm.battstat.mainbat_status;
877
878 info->battery_flag = (1 << info->battery_status);
879 info->battery_life = sharpsl_pm.battstat.mainbat_percent;
880}
881
882static struct pm_ops sharpsl_pm_ops = {
883 .pm_disk_mode = PM_DISK_FIRMWARE,
884 .prepare = pxa_pm_prepare,
885 .enter = corgi_pxa_pm_enter,
886 .finish = pxa_pm_finish,
887};
888
889static int __init sharpsl_pm_probe(struct device *dev)
890{
891 if (!dev->platform_data)
892 return -EINVAL;
893
894 sharpsl_pm.dev = dev;
895 sharpsl_pm.machinfo = dev->platform_data;
896 sharpsl_pm.charge_mode = CHRG_OFF;
897 sharpsl_pm.flags = 0;
898
899 sharpsl_pm.machinfo->init();
900
901 init_timer(&sharpsl_pm.ac_timer);
902 sharpsl_pm.ac_timer.function = sharpsl_ac_timer;
903
904 init_timer(&sharpsl_pm.chrg_full_timer);
905 sharpsl_pm.chrg_full_timer.function = sharpsl_chrg_full_timer;
906
907 pxa_gpio_mode(sharpsl_pm.machinfo->gpio_acin | GPIO_IN);
908 pxa_gpio_mode(sharpsl_pm.machinfo->gpio_batfull | GPIO_IN);
909 pxa_gpio_mode(sharpsl_pm.machinfo->gpio_batlock | GPIO_IN);
910
911 /* Register interrupt handlers */
912 if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin), sharpsl_ac_isr, SA_INTERRUPT, "AC Input Detect", sharpsl_ac_isr)) {
913 dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin));
914 }
915 else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin),IRQT_BOTHEDGE);
916
917 if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock), sharpsl_fatal_isr, SA_INTERRUPT, "Battery Cover", sharpsl_fatal_isr)) {
918 dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock));
919 }
920 else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock),IRQT_FALLING);
921
922 if (sharpsl_pm.machinfo->gpio_fatal) {
923 if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal), sharpsl_fatal_isr, SA_INTERRUPT, "Fatal Battery", sharpsl_fatal_isr)) {
924 dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal));
925 }
926 else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal),IRQT_FALLING);
927 }
928
929 if (!machine_is_corgi())
930 {
931 /* Register interrupt handler. */
932 if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull), sharpsl_chrg_full_isr, SA_INTERRUPT, "CO", sharpsl_chrg_full_isr)) {
933 dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull));
934 }
935 else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull),IRQT_RISING);
936 }
937
938 device_create_file(dev, &dev_attr_battery_percentage);
939 device_create_file(dev, &dev_attr_battery_voltage);
940
941 apm_get_power_status = sharpsl_apm_get_power_status;
942
943 pm_set_ops(&sharpsl_pm_ops);
944
945 mod_timer(&sharpsl_pm.ac_timer, jiffies + msecs_to_jiffies(250));
946
947 return 0;
948}
949
950static int sharpsl_pm_remove(struct device *dev)
951{
952 pm_set_ops(NULL);
953
954 device_remove_file(dev, &dev_attr_battery_percentage);
955 device_remove_file(dev, &dev_attr_battery_voltage);
956
957 free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin), sharpsl_ac_isr);
958 free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock), sharpsl_fatal_isr);
959
960 if (sharpsl_pm.machinfo->gpio_fatal)
961 free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal), sharpsl_fatal_isr);
962
963 if (!machine_is_corgi())
964 free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull), sharpsl_chrg_full_isr);
965
966 del_timer_sync(&sharpsl_pm.chrg_full_timer);
967 del_timer_sync(&sharpsl_pm.ac_timer);
968
969 return 0;
970}
971
972static struct device_driver sharpsl_pm_driver = {
973 .name = "sharpsl-pm",
974 .bus = &platform_bus_type,
975 .probe = sharpsl_pm_probe,
976 .remove = sharpsl_pm_remove,
977 .suspend = sharpsl_pm_suspend,
978 .resume = sharpsl_pm_resume,
979};
980
981static int __devinit sharpsl_pm_init(void)
982{
983 return driver_register(&sharpsl_pm_driver);
984}
985
986static void sharpsl_pm_exit(void)
987{
988 driver_unregister(&sharpsl_pm_driver);
989}
990
991late_initcall(sharpsl_pm_init);
992module_exit(sharpsl_pm_exit);
diff --git a/arch/arm/mach-pxa/ssp.c b/arch/arm/mach-pxa/ssp.c
index 4d826c021315..a68b30eff4d2 100644
--- a/arch/arm/mach-pxa/ssp.c
+++ b/arch/arm/mach-pxa/ssp.c
@@ -19,6 +19,8 @@
19 * 22nd Aug 2003 Initial version. 19 * 22nd Aug 2003 Initial version.
20 * 20th Dec 2004 Added ssp_config for changing port config without 20 * 20th Dec 2004 Added ssp_config for changing port config without
21 * closing the port. 21 * closing the port.
22 * 4th Aug 2005 Added option to disable irq handler registration and
23 * cleaned up irq and clock detection.
22 */ 24 */
23 25
24#include <linux/module.h> 26#include <linux/module.h>
@@ -37,6 +39,26 @@
37 39
38#define PXA_SSP_PORTS 3 40#define PXA_SSP_PORTS 3
39 41
42struct ssp_info_ {
43 int irq;
44 u32 clock;
45};
46
47/*
48 * SSP port clock and IRQ settings
49 */
50static const struct ssp_info_ ssp_info[PXA_SSP_PORTS] = {
51#if defined (CONFIG_PXA27x)
52 {IRQ_SSP, CKEN23_SSP1},
53 {IRQ_SSP2, CKEN3_SSP2},
54 {IRQ_SSP3, CKEN4_SSP3},
55#else
56 {IRQ_SSP, CKEN3_SSP},
57 {IRQ_NSSP, CKEN9_NSSP},
58 {IRQ_ASSP, CKEN10_ASSP},
59#endif
60};
61
40static DECLARE_MUTEX(sem); 62static DECLARE_MUTEX(sem);
41static int use_count[PXA_SSP_PORTS] = {0, 0, 0}; 63static int use_count[PXA_SSP_PORTS] = {0, 0, 0};
42 64
@@ -210,9 +232,9 @@ int ssp_config(struct ssp_dev *dev, u32 mode, u32 flags, u32 psp_flags, u32 spee
210 * %-EBUSY if the resources are already in use 232 * %-EBUSY if the resources are already in use
211 * %0 on success 233 * %0 on success
212 */ 234 */
213int ssp_init(struct ssp_dev *dev, u32 port) 235int ssp_init(struct ssp_dev *dev, u32 port, u32 init_flags)
214{ 236{
215 int ret, irq; 237 int ret;
216 238
217 if (port > PXA_SSP_PORTS || port == 0) 239 if (port > PXA_SSP_PORTS || port == 0)
218 return -ENODEV; 240 return -ENODEV;
@@ -229,61 +251,20 @@ int ssp_init(struct ssp_dev *dev, u32 port)
229 up(&sem); 251 up(&sem);
230 return -EBUSY; 252 return -EBUSY;
231 } 253 }
232
233 switch (port) {
234 case 1:
235 irq = IRQ_SSP;
236 break;
237#if defined (CONFIG_PXA27x)
238 case 2:
239 irq = IRQ_SSP2;
240 break;
241 case 3:
242 irq = IRQ_SSP3;
243 break;
244#else
245 case 2:
246 irq = IRQ_NSSP;
247 break;
248 case 3:
249 irq = IRQ_ASSP;
250 break;
251#endif
252 default:
253 return -ENODEV;
254 }
255
256 dev->port = port; 254 dev->port = port;
257 255
258 ret = request_irq(irq, ssp_interrupt, 0, "SSP", dev); 256 /* do we need to get irq */
259 if (ret) 257 if (!(init_flags & SSP_NO_IRQ)) {
260 goto out_region; 258 ret = request_irq(ssp_info[port-1].irq, ssp_interrupt,
259 0, "SSP", dev);
260 if (ret)
261 goto out_region;
262 dev->irq = ssp_info[port-1].irq;
263 } else
264 dev->irq = 0;
261 265
262 /* turn on SSP port clock */ 266 /* turn on SSP port clock */
263 switch (dev->port) { 267 pxa_set_cken(ssp_info[port-1].clock, 1);
264#if defined (CONFIG_PXA27x)
265 case 1:
266 pxa_set_cken(CKEN23_SSP1, 1);
267 break;
268 case 2:
269 pxa_set_cken(CKEN3_SSP2, 1);
270 break;
271 case 3:
272 pxa_set_cken(CKEN4_SSP3, 1);
273 break;
274#else
275 case 1:
276 pxa_set_cken(CKEN3_SSP, 1);
277 break;
278 case 2:
279 pxa_set_cken(CKEN9_NSSP, 1);
280 break;
281 case 3:
282 pxa_set_cken(CKEN10_ASSP, 1);
283 break;
284#endif
285 }
286
287 up(&sem); 268 up(&sem);
288 return 0; 269 return 0;
289 270
@@ -301,46 +282,17 @@ out_region:
301 */ 282 */
302void ssp_exit(struct ssp_dev *dev) 283void ssp_exit(struct ssp_dev *dev)
303{ 284{
304 int irq;
305
306 down(&sem); 285 down(&sem);
307 SSCR0_P(dev->port) &= ~SSCR0_SSE; 286 SSCR0_P(dev->port) &= ~SSCR0_SSE;
308 287
309 /* find irq, save power and turn off SSP port clock */ 288 if (dev->port > PXA_SSP_PORTS || dev->port == 0) {
310 switch (dev->port) { 289 printk(KERN_WARNING "SSP: tried to close invalid port\n");
311#if defined (CONFIG_PXA27x) 290 return;
312 case 1:
313 irq = IRQ_SSP;
314 pxa_set_cken(CKEN23_SSP1, 0);
315 break;
316 case 2:
317 irq = IRQ_SSP2;
318 pxa_set_cken(CKEN3_SSP2, 0);
319 break;
320 case 3:
321 irq = IRQ_SSP3;
322 pxa_set_cken(CKEN4_SSP3, 0);
323 break;
324#else
325 case 1:
326 irq = IRQ_SSP;
327 pxa_set_cken(CKEN3_SSP, 0);
328 break;
329 case 2:
330 irq = IRQ_NSSP;
331 pxa_set_cken(CKEN9_NSSP, 0);
332 break;
333 case 3:
334 irq = IRQ_ASSP;
335 pxa_set_cken(CKEN10_ASSP, 0);
336 break;
337#endif
338 default:
339 printk(KERN_WARNING "SSP: tried to close invalid port\n");
340 return;
341 } 291 }
342 292
343 free_irq(irq, dev); 293 pxa_set_cken(ssp_info[dev->port-1].clock, 0);
294 if (dev->irq)
295 free_irq(dev->irq, dev);
344 release_mem_region(__PREG(SSCR0_P(dev->port)), 0x2c); 296 release_mem_region(__PREG(SSCR0_P(dev->port)), 0x2c);
345 use_count[dev->port - 1]--; 297 use_count[dev->port - 1]--;
346 up(&sem); 298 up(&sem);
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index e3c14d6b4328..e84fdde6edf8 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -102,8 +102,8 @@ config CPU_ARM922T
102# ARM925T 102# ARM925T
103config CPU_ARM925T 103config CPU_ARM925T
104 bool "Support ARM925T processor" if ARCH_OMAP1 104 bool "Support ARM925T processor" if ARCH_OMAP1
105 depends on ARCH_OMAP1510 105 depends on ARCH_OMAP15XX
106 default y if ARCH_OMAP1510 106 default y if ARCH_OMAP15XX
107 select CPU_32v4 107 select CPU_32v4
108 select CPU_ABRT_EV4T 108 select CPU_ABRT_EV4T
109 select CPU_CACHE_V4WT 109 select CPU_CACHE_V4WT
@@ -242,7 +242,7 @@ config CPU_XSCALE
242# ARMv6 242# ARMv6
243config CPU_V6 243config CPU_V6
244 bool "Support ARM V6 processor" 244 bool "Support ARM V6 processor"
245 depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB 245 depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB || ARCH_OMAP2
246 select CPU_32v6 246 select CPU_32v6
247 select CPU_ABRT_EV6 247 select CPU_ABRT_EV6
248 select CPU_CACHE_V6 248 select CPU_CACHE_V6
diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile
index 7e144f9cad1c..9ccf1943fc94 100644
--- a/arch/arm/plat-omap/Makefile
+++ b/arch/arm/plat-omap/Makefile
@@ -3,7 +3,7 @@
3# 3#
4 4
5# Common support 5# Common support
6obj-y := common.o sram.o sram-fn.o clock.o dma.o mux.o gpio.o mcbsp.o usb.o 6obj-y := common.o sram.o sram-fn.o clock.o devices.o dma.o mux.o gpio.o mcbsp.o usb.o
7obj-m := 7obj-m :=
8obj-n := 8obj-n :=
9obj- := 9obj- :=
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index a020fe16428f..7ce39b986e23 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -1,15 +1,20 @@
1/* 1/*
2 * linux/arch/arm/plat-omap/clock.c 2 * linux/arch/arm/plat-omap/clock.c
3 * 3 *
4 * Copyright (C) 2004 Nokia corporation 4 * Copyright (C) 2004 - 2005 Nokia corporation
5 * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com> 5 * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
6 * 6 *
7 * Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com>
8 *
7 * This program is free software; you can redistribute it and/or modify 9 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as 10 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation. 11 * published by the Free Software Foundation.
10 */ 12 */
11#include <linux/module.h> 13#include <linux/version.h>
14#include <linux/config.h>
12#include <linux/kernel.h> 15#include <linux/kernel.h>
16#include <linux/init.h>
17#include <linux/module.h>
13#include <linux/list.h> 18#include <linux/list.h>
14#include <linux/errno.h> 19#include <linux/errno.h>
15#include <linux/err.h> 20#include <linux/err.h>
@@ -18,562 +23,20 @@
18#include <asm/io.h> 23#include <asm/io.h>
19#include <asm/semaphore.h> 24#include <asm/semaphore.h>
20#include <asm/hardware/clock.h> 25#include <asm/hardware/clock.h>
21#include <asm/arch/board.h>
22#include <asm/arch/usb.h>
23 26
24#include "clock.h" 27#include <asm/arch/clock.h>
25#include "sram.h"
26 28
27static LIST_HEAD(clocks); 29LIST_HEAD(clocks);
28static DECLARE_MUTEX(clocks_sem); 30static DECLARE_MUTEX(clocks_sem);
29static DEFINE_SPINLOCK(clockfw_lock); 31DEFINE_SPINLOCK(clockfw_lock);
30static void propagate_rate(struct clk * clk);
31/* UART clock function */
32static int set_uart_rate(struct clk * clk, unsigned long rate);
33/* External clock (MCLK & BCLK) functions */
34static int set_ext_clk_rate(struct clk * clk, unsigned long rate);
35static long round_ext_clk_rate(struct clk * clk, unsigned long rate);
36static void init_ext_clk(struct clk * clk);
37/* MPU virtual clock functions */
38static int select_table_rate(struct clk * clk, unsigned long rate);
39static long round_to_table_rate(struct clk * clk, unsigned long rate);
40void clk_setdpll(__u16, __u16);
41
42static struct mpu_rate rate_table[] = {
43 /* MPU MHz, xtal MHz, dpll1 MHz, CKCTL, DPLL_CTL
44 * armdiv, dspdiv, dspmmu, tcdiv, perdiv, lcddiv
45 */
46#if defined(CONFIG_OMAP_ARM_216MHZ)
47 { 216000000, 12000000, 216000000, 0x050d, 0x2910 }, /* 1/1/2/2/2/8 */
48#endif
49#if defined(CONFIG_OMAP_ARM_195MHZ)
50 { 195000000, 13000000, 195000000, 0x050e, 0x2790 }, /* 1/1/2/2/4/8 */
51#endif
52#if defined(CONFIG_OMAP_ARM_192MHZ)
53 { 192000000, 19200000, 192000000, 0x050f, 0x2510 }, /* 1/1/2/2/8/8 */
54 { 192000000, 12000000, 192000000, 0x050f, 0x2810 }, /* 1/1/2/2/8/8 */
55 { 96000000, 12000000, 192000000, 0x055f, 0x2810 }, /* 2/2/2/2/8/8 */
56 { 48000000, 12000000, 192000000, 0x0baf, 0x2810 }, /* 4/8/4/4/8/8 */
57 { 24000000, 12000000, 192000000, 0x0fff, 0x2810 }, /* 8/8/8/8/8/8 */
58#endif
59#if defined(CONFIG_OMAP_ARM_182MHZ)
60 { 182000000, 13000000, 182000000, 0x050e, 0x2710 }, /* 1/1/2/2/4/8 */
61#endif
62#if defined(CONFIG_OMAP_ARM_168MHZ)
63 { 168000000, 12000000, 168000000, 0x010f, 0x2710 }, /* 1/1/1/2/8/8 */
64#endif
65#if defined(CONFIG_OMAP_ARM_150MHZ)
66 { 150000000, 12000000, 150000000, 0x010a, 0x2cb0 }, /* 1/1/1/2/4/4 */
67#endif
68#if defined(CONFIG_OMAP_ARM_120MHZ)
69 { 120000000, 12000000, 120000000, 0x010a, 0x2510 }, /* 1/1/1/2/4/4 */
70#endif
71#if defined(CONFIG_OMAP_ARM_96MHZ)
72 { 96000000, 12000000, 96000000, 0x0005, 0x2410 }, /* 1/1/1/1/2/2 */
73#endif
74#if defined(CONFIG_OMAP_ARM_60MHZ)
75 { 60000000, 12000000, 60000000, 0x0005, 0x2290 }, /* 1/1/1/1/2/2 */
76#endif
77#if defined(CONFIG_OMAP_ARM_30MHZ)
78 { 30000000, 12000000, 60000000, 0x0555, 0x2290 }, /* 2/2/2/2/2/2 */
79#endif
80 { 0, 0, 0, 0, 0 },
81};
82
83
84static void ckctl_recalc(struct clk * clk);
85int __clk_enable(struct clk *clk);
86void __clk_disable(struct clk *clk);
87void __clk_unuse(struct clk *clk);
88int __clk_use(struct clk *clk);
89
90
91static void followparent_recalc(struct clk * clk)
92{
93 clk->rate = clk->parent->rate;
94}
95
96
97static void watchdog_recalc(struct clk * clk)
98{
99 clk->rate = clk->parent->rate / 14;
100}
101
102static void uart_recalc(struct clk * clk)
103{
104 unsigned int val = omap_readl(clk->enable_reg);
105 if (val & clk->enable_bit)
106 clk->rate = 48000000;
107 else
108 clk->rate = 12000000;
109}
110
111static struct clk ck_ref = {
112 .name = "ck_ref",
113 .rate = 12000000,
114 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
115 ALWAYS_ENABLED,
116};
117
118static struct clk ck_dpll1 = {
119 .name = "ck_dpll1",
120 .parent = &ck_ref,
121 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
122 RATE_PROPAGATES | ALWAYS_ENABLED,
123};
124
125static struct clk ck_dpll1out = {
126 .name = "ck_dpll1out",
127 .parent = &ck_dpll1,
128 .flags = CLOCK_IN_OMAP16XX,
129 .enable_reg = ARM_IDLECT2,
130 .enable_bit = EN_CKOUT_ARM,
131 .recalc = &followparent_recalc,
132};
133
134static struct clk arm_ck = {
135 .name = "arm_ck",
136 .parent = &ck_dpll1,
137 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
138 RATE_CKCTL | RATE_PROPAGATES | ALWAYS_ENABLED,
139 .rate_offset = CKCTL_ARMDIV_OFFSET,
140 .recalc = &ckctl_recalc,
141};
142
143static struct clk armper_ck = {
144 .name = "armper_ck",
145 .parent = &ck_dpll1,
146 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
147 RATE_CKCTL,
148 .enable_reg = ARM_IDLECT2,
149 .enable_bit = EN_PERCK,
150 .rate_offset = CKCTL_PERDIV_OFFSET,
151 .recalc = &ckctl_recalc,
152};
153
154static struct clk arm_gpio_ck = {
155 .name = "arm_gpio_ck",
156 .parent = &ck_dpll1,
157 .flags = CLOCK_IN_OMAP1510,
158 .enable_reg = ARM_IDLECT2,
159 .enable_bit = EN_GPIOCK,
160 .recalc = &followparent_recalc,
161};
162
163static struct clk armxor_ck = {
164 .name = "armxor_ck",
165 .parent = &ck_ref,
166 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
167 .enable_reg = ARM_IDLECT2,
168 .enable_bit = EN_XORPCK,
169 .recalc = &followparent_recalc,
170};
171
172static struct clk armtim_ck = {
173 .name = "armtim_ck",
174 .parent = &ck_ref,
175 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
176 .enable_reg = ARM_IDLECT2,
177 .enable_bit = EN_TIMCK,
178 .recalc = &followparent_recalc,
179};
180
181static struct clk armwdt_ck = {
182 .name = "armwdt_ck",
183 .parent = &ck_ref,
184 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
185 .enable_reg = ARM_IDLECT2,
186 .enable_bit = EN_WDTCK,
187 .recalc = &watchdog_recalc,
188};
189
190static struct clk arminth_ck16xx = {
191 .name = "arminth_ck",
192 .parent = &arm_ck,
193 .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
194 .recalc = &followparent_recalc,
195 /* Note: On 16xx the frequency can be divided by 2 by programming
196 * ARM_CKCTL:ARM_INTHCK_SEL(14) to 1
197 *
198 * 1510 version is in TC clocks.
199 */
200};
201
202static struct clk dsp_ck = {
203 .name = "dsp_ck",
204 .parent = &ck_dpll1,
205 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
206 RATE_CKCTL,
207 .enable_reg = ARM_CKCTL,
208 .enable_bit = EN_DSPCK,
209 .rate_offset = CKCTL_DSPDIV_OFFSET,
210 .recalc = &ckctl_recalc,
211};
212
213static struct clk dspmmu_ck = {
214 .name = "dspmmu_ck",
215 .parent = &ck_dpll1,
216 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
217 RATE_CKCTL | ALWAYS_ENABLED,
218 .rate_offset = CKCTL_DSPMMUDIV_OFFSET,
219 .recalc = &ckctl_recalc,
220};
221
222static struct clk dspper_ck = {
223 .name = "dspper_ck",
224 .parent = &ck_dpll1,
225 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
226 RATE_CKCTL | DSP_DOMAIN_CLOCK | VIRTUAL_IO_ADDRESS,
227 .enable_reg = DSP_IDLECT2,
228 .enable_bit = EN_PERCK,
229 .rate_offset = CKCTL_PERDIV_OFFSET,
230 .recalc = &followparent_recalc,
231 //.recalc = &ckctl_recalc,
232};
233
234static struct clk dspxor_ck = {
235 .name = "dspxor_ck",
236 .parent = &ck_ref,
237 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
238 DSP_DOMAIN_CLOCK | VIRTUAL_IO_ADDRESS,
239 .enable_reg = DSP_IDLECT2,
240 .enable_bit = EN_XORPCK,
241 .recalc = &followparent_recalc,
242};
243
244static struct clk dsptim_ck = {
245 .name = "dsptim_ck",
246 .parent = &ck_ref,
247 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
248 DSP_DOMAIN_CLOCK | VIRTUAL_IO_ADDRESS,
249 .enable_reg = DSP_IDLECT2,
250 .enable_bit = EN_DSPTIMCK,
251 .recalc = &followparent_recalc,
252};
253
254static struct clk tc_ck = {
255 .name = "tc_ck",
256 .parent = &ck_dpll1,
257 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP730 |
258 RATE_CKCTL | RATE_PROPAGATES | ALWAYS_ENABLED,
259 .rate_offset = CKCTL_TCDIV_OFFSET,
260 .recalc = &ckctl_recalc,
261};
262
263static struct clk arminth_ck1510 = {
264 .name = "arminth_ck",
265 .parent = &tc_ck,
266 .flags = CLOCK_IN_OMAP1510 | ALWAYS_ENABLED,
267 .recalc = &followparent_recalc,
268 /* Note: On 1510 the frequency follows TC_CK
269 *
270 * 16xx version is in MPU clocks.
271 */
272};
273
274static struct clk tipb_ck = {
275 .name = "tibp_ck",
276 .parent = &tc_ck,
277 .flags = CLOCK_IN_OMAP1510 | ALWAYS_ENABLED,
278 .recalc = &followparent_recalc,
279};
280
281static struct clk l3_ocpi_ck = {
282 .name = "l3_ocpi_ck",
283 .parent = &tc_ck,
284 .flags = CLOCK_IN_OMAP16XX,
285 .enable_reg = ARM_IDLECT3,
286 .enable_bit = EN_OCPI_CK,
287 .recalc = &followparent_recalc,
288};
289 32
290static struct clk tc1_ck = { 33static struct clk_functions *arch_clock;
291 .name = "tc1_ck",
292 .parent = &tc_ck,
293 .flags = CLOCK_IN_OMAP16XX,
294 .enable_reg = ARM_IDLECT3,
295 .enable_bit = EN_TC1_CK,
296 .recalc = &followparent_recalc,
297};
298 34
299static struct clk tc2_ck = { 35/*-------------------------------------------------------------------------
300 .name = "tc2_ck", 36 * Standard clock functions defined in asm/hardware/clock.h
301 .parent = &tc_ck, 37 *-------------------------------------------------------------------------*/
302 .flags = CLOCK_IN_OMAP16XX,
303 .enable_reg = ARM_IDLECT3,
304 .enable_bit = EN_TC2_CK,
305 .recalc = &followparent_recalc,
306};
307 38
308static struct clk dma_ck = { 39struct clk * clk_get(struct device *dev, const char *id)
309 .name = "dma_ck",
310 .parent = &tc_ck,
311 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
312 ALWAYS_ENABLED,
313 .recalc = &followparent_recalc,
314};
315
316static struct clk dma_lcdfree_ck = {
317 .name = "dma_lcdfree_ck",
318 .parent = &tc_ck,
319 .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
320 .recalc = &followparent_recalc,
321};
322
323static struct clk api_ck = {
324 .name = "api_ck",
325 .parent = &tc_ck,
326 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
327 .enable_reg = ARM_IDLECT2,
328 .enable_bit = EN_APICK,
329 .recalc = &followparent_recalc,
330};
331
332static struct clk lb_ck = {
333 .name = "lb_ck",
334 .parent = &tc_ck,
335 .flags = CLOCK_IN_OMAP1510,
336 .enable_reg = ARM_IDLECT2,
337 .enable_bit = EN_LBCK,
338 .recalc = &followparent_recalc,
339};
340
341static struct clk rhea1_ck = {
342 .name = "rhea1_ck",
343 .parent = &tc_ck,
344 .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
345 .recalc = &followparent_recalc,
346};
347
348static struct clk rhea2_ck = {
349 .name = "rhea2_ck",
350 .parent = &tc_ck,
351 .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
352 .recalc = &followparent_recalc,
353};
354
355static struct clk lcd_ck = {
356 .name = "lcd_ck",
357 .parent = &ck_dpll1,
358 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP730 |
359 RATE_CKCTL,
360 .enable_reg = ARM_IDLECT2,
361 .enable_bit = EN_LCDCK,
362 .rate_offset = CKCTL_LCDDIV_OFFSET,
363 .recalc = &ckctl_recalc,
364};
365
366static struct clk uart1_1510 = {
367 .name = "uart1_ck",
368 /* Direct from ULPD, no parent */
369 .rate = 12000000,
370 .flags = CLOCK_IN_OMAP1510 | ENABLE_REG_32BIT | ALWAYS_ENABLED,
371 .enable_reg = MOD_CONF_CTRL_0,
372 .enable_bit = 29, /* Chooses between 12MHz and 48MHz */
373 .set_rate = &set_uart_rate,
374 .recalc = &uart_recalc,
375};
376
377static struct clk uart1_16xx = {
378 .name = "uart1_ck",
379 /* Direct from ULPD, no parent */
380 .rate = 48000000,
381 .flags = CLOCK_IN_OMAP16XX | RATE_FIXED | ENABLE_REG_32BIT,
382 .enable_reg = MOD_CONF_CTRL_0,
383 .enable_bit = 29,
384};
385
386static struct clk uart2_ck = {
387 .name = "uart2_ck",
388 /* Direct from ULPD, no parent */
389 .rate = 12000000,
390 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | ENABLE_REG_32BIT |
391 ALWAYS_ENABLED,
392 .enable_reg = MOD_CONF_CTRL_0,
393 .enable_bit = 30, /* Chooses between 12MHz and 48MHz */
394 .set_rate = &set_uart_rate,
395 .recalc = &uart_recalc,
396};
397
398static struct clk uart3_1510 = {
399 .name = "uart3_ck",
400 /* Direct from ULPD, no parent */
401 .rate = 12000000,
402 .flags = CLOCK_IN_OMAP1510 | ENABLE_REG_32BIT | ALWAYS_ENABLED,
403 .enable_reg = MOD_CONF_CTRL_0,
404 .enable_bit = 31, /* Chooses between 12MHz and 48MHz */
405 .set_rate = &set_uart_rate,
406 .recalc = &uart_recalc,
407};
408
409static struct clk uart3_16xx = {
410 .name = "uart3_ck",
411 /* Direct from ULPD, no parent */
412 .rate = 48000000,
413 .flags = CLOCK_IN_OMAP16XX | RATE_FIXED | ENABLE_REG_32BIT,
414 .enable_reg = MOD_CONF_CTRL_0,
415 .enable_bit = 31,
416};
417
418static struct clk usb_clko = { /* 6 MHz output on W4_USB_CLKO */
419 .name = "usb_clko",
420 /* Direct from ULPD, no parent */
421 .rate = 6000000,
422 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
423 RATE_FIXED | ENABLE_REG_32BIT,
424 .enable_reg = ULPD_CLOCK_CTRL,
425 .enable_bit = USB_MCLK_EN_BIT,
426};
427
428static struct clk usb_hhc_ck1510 = {
429 .name = "usb_hhc_ck",
430 /* Direct from ULPD, no parent */
431 .rate = 48000000, /* Actually 2 clocks, 12MHz and 48MHz */
432 .flags = CLOCK_IN_OMAP1510 |
433 RATE_FIXED | ENABLE_REG_32BIT,
434 .enable_reg = MOD_CONF_CTRL_0,
435 .enable_bit = USB_HOST_HHC_UHOST_EN,
436};
437
438static struct clk usb_hhc_ck16xx = {
439 .name = "usb_hhc_ck",
440 /* Direct from ULPD, no parent */
441 .rate = 48000000,
442 /* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */
443 .flags = CLOCK_IN_OMAP16XX |
444 RATE_FIXED | ENABLE_REG_32BIT,
445 .enable_reg = OTG_BASE + 0x08 /* OTG_SYSCON_2 */,
446 .enable_bit = 8 /* UHOST_EN */,
447};
448
449static struct clk usb_dc_ck = {
450 .name = "usb_dc_ck",
451 /* Direct from ULPD, no parent */
452 .rate = 48000000,
453 .flags = CLOCK_IN_OMAP16XX | RATE_FIXED,
454 .enable_reg = SOFT_REQ_REG,
455 .enable_bit = 4,
456};
457
458static struct clk mclk_1510 = {
459 .name = "mclk",
460 /* Direct from ULPD, no parent. May be enabled by ext hardware. */
461 .rate = 12000000,
462 .flags = CLOCK_IN_OMAP1510 | RATE_FIXED,
463};
464
465static struct clk mclk_16xx = {
466 .name = "mclk",
467 /* Direct from ULPD, no parent. May be enabled by ext hardware. */
468 .flags = CLOCK_IN_OMAP16XX,
469 .enable_reg = COM_CLK_DIV_CTRL_SEL,
470 .enable_bit = COM_ULPD_PLL_CLK_REQ,
471 .set_rate = &set_ext_clk_rate,
472 .round_rate = &round_ext_clk_rate,
473 .init = &init_ext_clk,
474};
475
476static struct clk bclk_1510 = {
477 .name = "bclk",
478 /* Direct from ULPD, no parent. May be enabled by ext hardware. */
479 .rate = 12000000,
480 .flags = CLOCK_IN_OMAP1510 | RATE_FIXED,
481};
482
483static struct clk bclk_16xx = {
484 .name = "bclk",
485 /* Direct from ULPD, no parent. May be enabled by ext hardware. */
486 .flags = CLOCK_IN_OMAP16XX,
487 .enable_reg = SWD_CLK_DIV_CTRL_SEL,
488 .enable_bit = SWD_ULPD_PLL_CLK_REQ,
489 .set_rate = &set_ext_clk_rate,
490 .round_rate = &round_ext_clk_rate,
491 .init = &init_ext_clk,
492};
493
494static struct clk mmc1_ck = {
495 .name = "mmc1_ck",
496 /* Functional clock is direct from ULPD, interface clock is ARMPER */
497 .parent = &armper_ck,
498 .rate = 48000000,
499 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
500 RATE_FIXED | ENABLE_REG_32BIT,
501 .enable_reg = MOD_CONF_CTRL_0,
502 .enable_bit = 23,
503};
504
505static struct clk mmc2_ck = {
506 .name = "mmc2_ck",
507 /* Functional clock is direct from ULPD, interface clock is ARMPER */
508 .parent = &armper_ck,
509 .rate = 48000000,
510 .flags = CLOCK_IN_OMAP16XX |
511 RATE_FIXED | ENABLE_REG_32BIT,
512 .enable_reg = MOD_CONF_CTRL_0,
513 .enable_bit = 20,
514};
515
516static struct clk virtual_ck_mpu = {
517 .name = "mpu",
518 .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
519 VIRTUAL_CLOCK | ALWAYS_ENABLED,
520 .parent = &arm_ck, /* Is smarter alias for */
521 .recalc = &followparent_recalc,
522 .set_rate = &select_table_rate,
523 .round_rate = &round_to_table_rate,
524};
525
526
527static struct clk * onchip_clks[] = {
528 /* non-ULPD clocks */
529 &ck_ref,
530 &ck_dpll1,
531 /* CK_GEN1 clocks */
532 &ck_dpll1out,
533 &arm_ck,
534 &armper_ck,
535 &arm_gpio_ck,
536 &armxor_ck,
537 &armtim_ck,
538 &armwdt_ck,
539 &arminth_ck1510, &arminth_ck16xx,
540 /* CK_GEN2 clocks */
541 &dsp_ck,
542 &dspmmu_ck,
543 &dspper_ck,
544 &dspxor_ck,
545 &dsptim_ck,
546 /* CK_GEN3 clocks */
547 &tc_ck,
548 &tipb_ck,
549 &l3_ocpi_ck,
550 &tc1_ck,
551 &tc2_ck,
552 &dma_ck,
553 &dma_lcdfree_ck,
554 &api_ck,
555 &lb_ck,
556 &rhea1_ck,
557 &rhea2_ck,
558 &lcd_ck,
559 /* ULPD clocks */
560 &uart1_1510,
561 &uart1_16xx,
562 &uart2_ck,
563 &uart3_1510,
564 &uart3_16xx,
565 &usb_clko,
566 &usb_hhc_ck1510, &usb_hhc_ck16xx,
567 &usb_dc_ck,
568 &mclk_1510, &mclk_16xx,
569 &bclk_1510, &bclk_16xx,
570 &mmc1_ck,
571 &mmc2_ck,
572 /* Virtual clocks */
573 &virtual_ck_mpu,
574};
575
576struct clk *clk_get(struct device *dev, const char *id)
577{ 40{
578 struct clk *p, *clk = ERR_PTR(-ENOENT); 41 struct clk *p, *clk = ERR_PTR(-ENOENT);
579 42
@@ -590,534 +53,200 @@ struct clk *clk_get(struct device *dev, const char *id)
590} 53}
591EXPORT_SYMBOL(clk_get); 54EXPORT_SYMBOL(clk_get);
592 55
593
594void clk_put(struct clk *clk)
595{
596 if (clk && !IS_ERR(clk))
597 module_put(clk->owner);
598}
599EXPORT_SYMBOL(clk_put);
600
601
602int __clk_enable(struct clk *clk)
603{
604 __u16 regval16;
605 __u32 regval32;
606
607 if (clk->flags & ALWAYS_ENABLED)
608 return 0;
609
610 if (unlikely(clk->enable_reg == 0)) {
611 printk(KERN_ERR "clock.c: Enable for %s without enable code\n",
612 clk->name);
613 return 0;
614 }
615
616 if (clk->flags & DSP_DOMAIN_CLOCK) {
617 __clk_use(&api_ck);
618 }
619
620 if (clk->flags & ENABLE_REG_32BIT) {
621 if (clk->flags & VIRTUAL_IO_ADDRESS) {
622 regval32 = __raw_readl(clk->enable_reg);
623 regval32 |= (1 << clk->enable_bit);
624 __raw_writel(regval32, clk->enable_reg);
625 } else {
626 regval32 = omap_readl(clk->enable_reg);
627 regval32 |= (1 << clk->enable_bit);
628 omap_writel(regval32, clk->enable_reg);
629 }
630 } else {
631 if (clk->flags & VIRTUAL_IO_ADDRESS) {
632 regval16 = __raw_readw(clk->enable_reg);
633 regval16 |= (1 << clk->enable_bit);
634 __raw_writew(regval16, clk->enable_reg);
635 } else {
636 regval16 = omap_readw(clk->enable_reg);
637 regval16 |= (1 << clk->enable_bit);
638 omap_writew(regval16, clk->enable_reg);
639 }
640 }
641
642 if (clk->flags & DSP_DOMAIN_CLOCK) {
643 __clk_unuse(&api_ck);
644 }
645
646 return 0;
647}
648
649
650void __clk_disable(struct clk *clk)
651{
652 __u16 regval16;
653 __u32 regval32;
654
655 if (clk->enable_reg == 0)
656 return;
657
658 if (clk->flags & DSP_DOMAIN_CLOCK) {
659 __clk_use(&api_ck);
660 }
661
662 if (clk->flags & ENABLE_REG_32BIT) {
663 if (clk->flags & VIRTUAL_IO_ADDRESS) {
664 regval32 = __raw_readl(clk->enable_reg);
665 regval32 &= ~(1 << clk->enable_bit);
666 __raw_writel(regval32, clk->enable_reg);
667 } else {
668 regval32 = omap_readl(clk->enable_reg);
669 regval32 &= ~(1 << clk->enable_bit);
670 omap_writel(regval32, clk->enable_reg);
671 }
672 } else {
673 if (clk->flags & VIRTUAL_IO_ADDRESS) {
674 regval16 = __raw_readw(clk->enable_reg);
675 regval16 &= ~(1 << clk->enable_bit);
676 __raw_writew(regval16, clk->enable_reg);
677 } else {
678 regval16 = omap_readw(clk->enable_reg);
679 regval16 &= ~(1 << clk->enable_bit);
680 omap_writew(regval16, clk->enable_reg);
681 }
682 }
683
684 if (clk->flags & DSP_DOMAIN_CLOCK) {
685 __clk_unuse(&api_ck);
686 }
687}
688
689
690void __clk_unuse(struct clk *clk)
691{
692 if (clk->usecount > 0 && !(--clk->usecount)) {
693 __clk_disable(clk);
694 if (likely(clk->parent))
695 __clk_unuse(clk->parent);
696 }
697}
698
699
700int __clk_use(struct clk *clk)
701{
702 int ret = 0;
703 if (clk->usecount++ == 0) {
704 if (likely(clk->parent))
705 ret = __clk_use(clk->parent);
706
707 if (unlikely(ret != 0)) {
708 clk->usecount--;
709 return ret;
710 }
711
712 ret = __clk_enable(clk);
713
714 if (unlikely(ret != 0) && clk->parent) {
715 __clk_unuse(clk->parent);
716 clk->usecount--;
717 }
718 }
719
720 return ret;
721}
722
723
724int clk_enable(struct clk *clk) 56int clk_enable(struct clk *clk)
725{ 57{
726 unsigned long flags; 58 unsigned long flags;
727 int ret; 59 int ret = 0;
728 60
729 spin_lock_irqsave(&clockfw_lock, flags); 61 spin_lock_irqsave(&clockfw_lock, flags);
730 ret = __clk_enable(clk); 62 if (clk->enable)
63 ret = clk->enable(clk);
64 else if (arch_clock->clk_enable)
65 ret = arch_clock->clk_enable(clk);
66 else
67 printk(KERN_ERR "Could not enable clock %s\n", clk->name);
731 spin_unlock_irqrestore(&clockfw_lock, flags); 68 spin_unlock_irqrestore(&clockfw_lock, flags);
69
732 return ret; 70 return ret;
733} 71}
734EXPORT_SYMBOL(clk_enable); 72EXPORT_SYMBOL(clk_enable);
735 73
736
737void clk_disable(struct clk *clk) 74void clk_disable(struct clk *clk)
738{ 75{
739 unsigned long flags; 76 unsigned long flags;
740 77
741 spin_lock_irqsave(&clockfw_lock, flags); 78 spin_lock_irqsave(&clockfw_lock, flags);
742 __clk_disable(clk); 79 if (clk->disable)
80 clk->disable(clk);
81 else if (arch_clock->clk_disable)
82 arch_clock->clk_disable(clk);
83 else
84 printk(KERN_ERR "Could not disable clock %s\n", clk->name);
743 spin_unlock_irqrestore(&clockfw_lock, flags); 85 spin_unlock_irqrestore(&clockfw_lock, flags);
744} 86}
745EXPORT_SYMBOL(clk_disable); 87EXPORT_SYMBOL(clk_disable);
746 88
747
748int clk_use(struct clk *clk) 89int clk_use(struct clk *clk)
749{ 90{
750 unsigned long flags; 91 unsigned long flags;
751 int ret = 0; 92 int ret = 0;
752 93
753 spin_lock_irqsave(&clockfw_lock, flags); 94 spin_lock_irqsave(&clockfw_lock, flags);
754 ret = __clk_use(clk); 95 if (arch_clock->clk_use)
96 ret = arch_clock->clk_use(clk);
755 spin_unlock_irqrestore(&clockfw_lock, flags); 97 spin_unlock_irqrestore(&clockfw_lock, flags);
98
756 return ret; 99 return ret;
757} 100}
758EXPORT_SYMBOL(clk_use); 101EXPORT_SYMBOL(clk_use);
759 102
760
761void clk_unuse(struct clk *clk) 103void clk_unuse(struct clk *clk)
762{ 104{
763 unsigned long flags; 105 unsigned long flags;
764 106
765 spin_lock_irqsave(&clockfw_lock, flags); 107 spin_lock_irqsave(&clockfw_lock, flags);
766 __clk_unuse(clk); 108 if (arch_clock->clk_unuse)
109 arch_clock->clk_unuse(clk);
767 spin_unlock_irqrestore(&clockfw_lock, flags); 110 spin_unlock_irqrestore(&clockfw_lock, flags);
768} 111}
769EXPORT_SYMBOL(clk_unuse); 112EXPORT_SYMBOL(clk_unuse);
770 113
771
772int clk_get_usecount(struct clk *clk) 114int clk_get_usecount(struct clk *clk)
773{ 115{
774 return clk->usecount; 116 unsigned long flags;
775} 117 int ret = 0;
776EXPORT_SYMBOL(clk_get_usecount);
777
778
779unsigned long clk_get_rate(struct clk *clk)
780{
781 return clk->rate;
782}
783EXPORT_SYMBOL(clk_get_rate);
784
785
786static __u16 verify_ckctl_value(__u16 newval)
787{
788 /* This function checks for following limitations set
789 * by the hardware (all conditions must be true):
790 * DSPMMU_CK == DSP_CK or DSPMMU_CK == DSP_CK/2
791 * ARM_CK >= TC_CK
792 * DSP_CK >= TC_CK
793 * DSPMMU_CK >= TC_CK
794 *
795 * In addition following rules are enforced:
796 * LCD_CK <= TC_CK
797 * ARMPER_CK <= TC_CK
798 *
799 * However, maximum frequencies are not checked for!
800 */
801 __u8 per_exp;
802 __u8 lcd_exp;
803 __u8 arm_exp;
804 __u8 dsp_exp;
805 __u8 tc_exp;
806 __u8 dspmmu_exp;
807
808 per_exp = (newval >> CKCTL_PERDIV_OFFSET) & 3;
809 lcd_exp = (newval >> CKCTL_LCDDIV_OFFSET) & 3;
810 arm_exp = (newval >> CKCTL_ARMDIV_OFFSET) & 3;
811 dsp_exp = (newval >> CKCTL_DSPDIV_OFFSET) & 3;
812 tc_exp = (newval >> CKCTL_TCDIV_OFFSET) & 3;
813 dspmmu_exp = (newval >> CKCTL_DSPMMUDIV_OFFSET) & 3;
814
815 if (dspmmu_exp < dsp_exp)
816 dspmmu_exp = dsp_exp;
817 if (dspmmu_exp > dsp_exp+1)
818 dspmmu_exp = dsp_exp+1;
819 if (tc_exp < arm_exp)
820 tc_exp = arm_exp;
821 if (tc_exp < dspmmu_exp)
822 tc_exp = dspmmu_exp;
823 if (tc_exp > lcd_exp)
824 lcd_exp = tc_exp;
825 if (tc_exp > per_exp)
826 per_exp = tc_exp;
827 118
828 newval &= 0xf000; 119 spin_lock_irqsave(&clockfw_lock, flags);
829 newval |= per_exp << CKCTL_PERDIV_OFFSET; 120 ret = clk->usecount;
830 newval |= lcd_exp << CKCTL_LCDDIV_OFFSET; 121 spin_unlock_irqrestore(&clockfw_lock, flags);
831 newval |= arm_exp << CKCTL_ARMDIV_OFFSET;
832 newval |= dsp_exp << CKCTL_DSPDIV_OFFSET;
833 newval |= tc_exp << CKCTL_TCDIV_OFFSET;
834 newval |= dspmmu_exp << CKCTL_DSPMMUDIV_OFFSET;
835 122
836 return newval; 123 return ret;
837} 124}
125EXPORT_SYMBOL(clk_get_usecount);
838 126
839 127unsigned long clk_get_rate(struct clk *clk)
840static int calc_dsor_exp(struct clk *clk, unsigned long rate)
841{ 128{
842 /* Note: If target frequency is too low, this function will return 4, 129 unsigned long flags;
843 * which is invalid value. Caller must check for this value and act 130 unsigned long ret = 0;
844 * accordingly.
845 *
846 * Note: This function does not check for following limitations set
847 * by the hardware (all conditions must be true):
848 * DSPMMU_CK == DSP_CK or DSPMMU_CK == DSP_CK/2
849 * ARM_CK >= TC_CK
850 * DSP_CK >= TC_CK
851 * DSPMMU_CK >= TC_CK
852 */
853 unsigned long realrate;
854 struct clk * parent;
855 unsigned dsor_exp;
856
857 if (unlikely(!(clk->flags & RATE_CKCTL)))
858 return -EINVAL;
859
860 parent = clk->parent;
861 if (unlikely(parent == 0))
862 return -EIO;
863
864 realrate = parent->rate;
865 for (dsor_exp=0; dsor_exp<4; dsor_exp++) {
866 if (realrate <= rate)
867 break;
868 131
869 realrate /= 2; 132 spin_lock_irqsave(&clockfw_lock, flags);
870 } 133 ret = clk->rate;
134 spin_unlock_irqrestore(&clockfw_lock, flags);
871 135
872 return dsor_exp; 136 return ret;
873} 137}
138EXPORT_SYMBOL(clk_get_rate);
874 139
875 140void clk_put(struct clk *clk)
876static void ckctl_recalc(struct clk * clk)
877{ 141{
878 int dsor; 142 if (clk && !IS_ERR(clk))
879 143 module_put(clk->owner);
880 /* Calculate divisor encoded as 2-bit exponent */
881 if (clk->flags & DSP_DOMAIN_CLOCK) {
882 /* The clock control bits are in DSP domain,
883 * so api_ck is needed for access.
884 * Note that DSP_CKCTL virt addr = phys addr, so
885 * we must use __raw_readw() instead of omap_readw().
886 */
887 __clk_use(&api_ck);
888 dsor = 1 << (3 & (__raw_readw(DSP_CKCTL) >> clk->rate_offset));
889 __clk_unuse(&api_ck);
890 } else {
891 dsor = 1 << (3 & (omap_readw(ARM_CKCTL) >> clk->rate_offset));
892 }
893 if (unlikely(clk->rate == clk->parent->rate / dsor))
894 return; /* No change, quick exit */
895 clk->rate = clk->parent->rate / dsor;
896
897 if (unlikely(clk->flags & RATE_PROPAGATES))
898 propagate_rate(clk);
899} 144}
145EXPORT_SYMBOL(clk_put);
900 146
147/*-------------------------------------------------------------------------
148 * Optional clock functions defined in asm/hardware/clock.h
149 *-------------------------------------------------------------------------*/
901 150
902long clk_round_rate(struct clk *clk, unsigned long rate) 151long clk_round_rate(struct clk *clk, unsigned long rate)
903{ 152{
904 int dsor_exp; 153 unsigned long flags;
905 154 long ret = 0;
906 if (clk->flags & RATE_FIXED)
907 return clk->rate;
908
909 if (clk->flags & RATE_CKCTL) {
910 dsor_exp = calc_dsor_exp(clk, rate);
911 if (dsor_exp < 0)
912 return dsor_exp;
913 if (dsor_exp > 3)
914 dsor_exp = 3;
915 return clk->parent->rate / (1 << dsor_exp);
916 }
917 155
918 if(clk->round_rate != 0) 156 spin_lock_irqsave(&clockfw_lock, flags);
919 return clk->round_rate(clk, rate); 157 if (arch_clock->clk_round_rate)
158 ret = arch_clock->clk_round_rate(clk, rate);
159 spin_unlock_irqrestore(&clockfw_lock, flags);
920 160
921 return clk->rate; 161 return ret;
922} 162}
923EXPORT_SYMBOL(clk_round_rate); 163EXPORT_SYMBOL(clk_round_rate);
924 164
925 165int clk_set_rate(struct clk *clk, unsigned long rate)
926static void propagate_rate(struct clk * clk)
927{
928 struct clk ** clkp;
929
930 for (clkp = onchip_clks; clkp < onchip_clks+ARRAY_SIZE(onchip_clks); clkp++) {
931 if (likely((*clkp)->parent != clk)) continue;
932 if (likely((*clkp)->recalc))
933 (*clkp)->recalc(*clkp);
934 }
935}
936
937
938static int select_table_rate(struct clk * clk, unsigned long rate)
939{ 166{
940 /* Find the highest supported frequency <= rate and switch to it */ 167 unsigned long flags;
941 struct mpu_rate * ptr; 168 int ret = 0;
942
943 if (clk != &virtual_ck_mpu)
944 return -EINVAL;
945
946 for (ptr = rate_table; ptr->rate; ptr++) {
947 if (ptr->xtal != ck_ref.rate)
948 continue;
949
950 /* DPLL1 cannot be reprogrammed without risking system crash */
951 if (likely(ck_dpll1.rate!=0) && ptr->pll_rate != ck_dpll1.rate)
952 continue;
953
954 /* Can check only after xtal frequency check */
955 if (ptr->rate <= rate)
956 break;
957 }
958
959 if (!ptr->rate)
960 return -EINVAL;
961 169
962 /* 170 spin_lock_irqsave(&clockfw_lock, flags);
963 * In most cases we should not need to reprogram DPLL. 171 if (arch_clock->clk_set_rate)
964 * Reprogramming the DPLL is tricky, it must be done from SRAM. 172 ret = arch_clock->clk_set_rate(clk, rate);
965 */ 173 spin_unlock_irqrestore(&clockfw_lock, flags);
966 omap_sram_reprogram_clock(ptr->dpllctl_val, ptr->ckctl_val);
967 174
968 ck_dpll1.rate = ptr->pll_rate; 175 return ret;
969 propagate_rate(&ck_dpll1);
970 return 0;
971} 176}
177EXPORT_SYMBOL(clk_set_rate);
972 178
973 179int clk_set_parent(struct clk *clk, struct clk *parent)
974static long round_to_table_rate(struct clk * clk, unsigned long rate)
975{ 180{
976 /* Find the highest supported frequency <= rate */ 181 unsigned long flags;
977 struct mpu_rate * ptr; 182 int ret = 0;
978 long highest_rate;
979
980 if (clk != &virtual_ck_mpu)
981 return -EINVAL;
982
983 highest_rate = -EINVAL;
984
985 for (ptr = rate_table; ptr->rate; ptr++) {
986 if (ptr->xtal != ck_ref.rate)
987 continue;
988
989 highest_rate = ptr->rate;
990 183
991 /* Can check only after xtal frequency check */ 184 spin_lock_irqsave(&clockfw_lock, flags);
992 if (ptr->rate <= rate) 185 if (arch_clock->clk_set_parent)
993 break; 186 ret = arch_clock->clk_set_parent(clk, parent);
994 } 187 spin_unlock_irqrestore(&clockfw_lock, flags);
995 188
996 return highest_rate; 189 return ret;
997} 190}
191EXPORT_SYMBOL(clk_set_parent);
998 192
999 193struct clk *clk_get_parent(struct clk *clk)
1000int clk_set_rate(struct clk *clk, unsigned long rate)
1001{ 194{
1002 int ret = -EINVAL; 195 unsigned long flags;
1003 int dsor_exp; 196 struct clk * ret = NULL;
1004 __u16 regval;
1005 unsigned long flags;
1006
1007 if (clk->flags & RATE_CKCTL) {
1008 dsor_exp = calc_dsor_exp(clk, rate);
1009 if (dsor_exp > 3)
1010 dsor_exp = -EINVAL;
1011 if (dsor_exp < 0)
1012 return dsor_exp;
1013
1014 spin_lock_irqsave(&clockfw_lock, flags);
1015 regval = omap_readw(ARM_CKCTL);
1016 regval &= ~(3 << clk->rate_offset);
1017 regval |= dsor_exp << clk->rate_offset;
1018 regval = verify_ckctl_value(regval);
1019 omap_writew(regval, ARM_CKCTL);
1020 clk->rate = clk->parent->rate / (1 << dsor_exp);
1021 spin_unlock_irqrestore(&clockfw_lock, flags);
1022 ret = 0;
1023 } else if(clk->set_rate != 0) {
1024 spin_lock_irqsave(&clockfw_lock, flags);
1025 ret = clk->set_rate(clk, rate);
1026 spin_unlock_irqrestore(&clockfw_lock, flags);
1027 }
1028 197
1029 if (unlikely(ret == 0 && (clk->flags & RATE_PROPAGATES))) 198 spin_lock_irqsave(&clockfw_lock, flags);
1030 propagate_rate(clk); 199 if (arch_clock->clk_get_parent)
200 ret = arch_clock->clk_get_parent(clk);
201 spin_unlock_irqrestore(&clockfw_lock, flags);
1031 202
1032 return ret; 203 return ret;
1033} 204}
1034EXPORT_SYMBOL(clk_set_rate); 205EXPORT_SYMBOL(clk_get_parent);
1035 206
207/*-------------------------------------------------------------------------
208 * OMAP specific clock functions shared between omap1 and omap2
209 *-------------------------------------------------------------------------*/
1036 210
1037static unsigned calc_ext_dsor(unsigned long rate) 211unsigned int __initdata mpurate;
1038{
1039 unsigned dsor;
1040 212
1041 /* MCLK and BCLK divisor selection is not linear: 213/*
1042 * freq = 96MHz / dsor 214 * By default we use the rate set by the bootloader.
1043 * 215 * You can override this with mpurate= cmdline option.
1044 * RATIO_SEL range: dsor <-> RATIO_SEL 216 */
1045 * 0..6: (RATIO_SEL+2) <-> (dsor-2) 217static int __init omap_clk_setup(char *str)
1046 * 6..48: (8+(RATIO_SEL-6)*2) <-> ((dsor-8)/2+6)
1047 * Minimum dsor is 2 and maximum is 96. Odd divisors starting from 9
1048 * can not be used.
1049 */
1050 for (dsor = 2; dsor < 96; ++dsor) {
1051 if ((dsor & 1) && dsor > 8)
1052 continue;
1053 if (rate >= 96000000 / dsor)
1054 break;
1055 }
1056 return dsor;
1057}
1058
1059/* Only needed on 1510 */
1060static int set_uart_rate(struct clk * clk, unsigned long rate)
1061{
1062 unsigned int val;
1063
1064 val = omap_readl(clk->enable_reg);
1065 if (rate == 12000000)
1066 val &= ~(1 << clk->enable_bit);
1067 else if (rate == 48000000)
1068 val |= (1 << clk->enable_bit);
1069 else
1070 return -EINVAL;
1071 omap_writel(val, clk->enable_reg);
1072 clk->rate = rate;
1073
1074 return 0;
1075}
1076
1077static int set_ext_clk_rate(struct clk * clk, unsigned long rate)
1078{ 218{
1079 unsigned dsor; 219 get_option(&str, &mpurate);
1080 __u16 ratio_bits;
1081 220
1082 dsor = calc_ext_dsor(rate); 221 if (!mpurate)
1083 clk->rate = 96000000 / dsor; 222 return 1;
1084 if (dsor > 8)
1085 ratio_bits = ((dsor - 8) / 2 + 6) << 2;
1086 else
1087 ratio_bits = (dsor - 2) << 2;
1088 223
1089 ratio_bits |= omap_readw(clk->enable_reg) & ~0xfd; 224 if (mpurate < 1000)
1090 omap_writew(ratio_bits, clk->enable_reg); 225 mpurate *= 1000000;
1091 226
1092 return 0; 227 return 1;
1093} 228}
229__setup("mpurate=", omap_clk_setup);
1094 230
1095 231/* Used for clocks that always have same value as the parent clock */
1096static long round_ext_clk_rate(struct clk * clk, unsigned long rate) 232void followparent_recalc(struct clk *clk)
1097{ 233{
1098 return 96000000 / calc_ext_dsor(rate); 234 clk->rate = clk->parent->rate;
1099} 235}
1100 236
1101 237/* Propagate rate to children */
1102static void init_ext_clk(struct clk * clk) 238void propagate_rate(struct clk * tclk)
1103{ 239{
1104 unsigned dsor; 240 struct clk *clkp;
1105 __u16 ratio_bits;
1106 241
1107 /* Determine current rate and ensure clock is based on 96MHz APLL */ 242 list_for_each_entry(clkp, &clocks, node) {
1108 ratio_bits = omap_readw(clk->enable_reg) & ~1; 243 if (likely(clkp->parent != tclk))
1109 omap_writew(ratio_bits, clk->enable_reg); 244 continue;
1110 245 if (likely((u32)clkp->recalc))
1111 ratio_bits = (ratio_bits & 0xfc) >> 2; 246 clkp->recalc(clkp);
1112 if (ratio_bits > 6) 247 }
1113 dsor = (ratio_bits - 6) * 2 + 8;
1114 else
1115 dsor = ratio_bits + 2;
1116
1117 clk-> rate = 96000000 / dsor;
1118} 248}
1119 249
1120
1121int clk_register(struct clk *clk) 250int clk_register(struct clk *clk)
1122{ 251{
1123 down(&clocks_sem); 252 down(&clocks_sem);
@@ -1125,6 +254,7 @@ int clk_register(struct clk *clk)
1125 if (clk->init) 254 if (clk->init)
1126 clk->init(clk); 255 clk->init(clk);
1127 up(&clocks_sem); 256 up(&clocks_sem);
257
1128 return 0; 258 return 0;
1129} 259}
1130EXPORT_SYMBOL(clk_register); 260EXPORT_SYMBOL(clk_register);
@@ -1137,203 +267,38 @@ void clk_unregister(struct clk *clk)
1137} 267}
1138EXPORT_SYMBOL(clk_unregister); 268EXPORT_SYMBOL(clk_unregister);
1139 269
1140#ifdef CONFIG_OMAP_RESET_CLOCKS 270void clk_deny_idle(struct clk *clk)
1141/*
1142 * Resets some clocks that may be left on from bootloader,
1143 * but leaves serial clocks on. See also omap_late_clk_reset().
1144 */
1145static inline void omap_early_clk_reset(void)
1146{ 271{
1147 //omap_writel(0x3 << 29, MOD_CONF_CTRL_0); 272 unsigned long flags;
273
274 spin_lock_irqsave(&clockfw_lock, flags);
275 if (arch_clock->clk_deny_idle)
276 arch_clock->clk_deny_idle(clk);
277 spin_unlock_irqrestore(&clockfw_lock, flags);
1148} 278}
1149#else 279EXPORT_SYMBOL(clk_deny_idle);
1150#define omap_early_clk_reset() {}
1151#endif
1152 280
1153int __init clk_init(void) 281void clk_allow_idle(struct clk *clk)
1154{ 282{
1155 struct clk ** clkp; 283 unsigned long flags;
1156 const struct omap_clock_config *info;
1157 int crystal_type = 0; /* Default 12 MHz */
1158
1159 omap_early_clk_reset();
1160
1161 for (clkp = onchip_clks; clkp < onchip_clks+ARRAY_SIZE(onchip_clks); clkp++) {
1162 if (((*clkp)->flags &CLOCK_IN_OMAP1510) && cpu_is_omap1510()) {
1163 clk_register(*clkp);
1164 continue;
1165 }
1166
1167 if (((*clkp)->flags &CLOCK_IN_OMAP16XX) && cpu_is_omap16xx()) {
1168 clk_register(*clkp);
1169 continue;
1170 }
1171
1172 if (((*clkp)->flags &CLOCK_IN_OMAP730) && cpu_is_omap730()) {
1173 clk_register(*clkp);
1174 continue;
1175 }
1176 }
1177
1178 info = omap_get_config(OMAP_TAG_CLOCK, struct omap_clock_config);
1179 if (info != NULL) {
1180 if (!cpu_is_omap1510())
1181 crystal_type = info->system_clock_type;
1182 }
1183
1184#if defined(CONFIG_ARCH_OMAP730)
1185 ck_ref.rate = 13000000;
1186#elif defined(CONFIG_ARCH_OMAP16XX)
1187 if (crystal_type == 2)
1188 ck_ref.rate = 19200000;
1189#endif
1190
1191 printk("Clocks: ARM_SYSST: 0x%04x DPLL_CTL: 0x%04x ARM_CKCTL: 0x%04x\n",
1192 omap_readw(ARM_SYSST), omap_readw(DPLL_CTL),
1193 omap_readw(ARM_CKCTL));
1194
1195 /* We want to be in syncronous scalable mode */
1196 omap_writew(0x1000, ARM_SYSST);
1197
1198#ifdef CONFIG_OMAP_CLOCKS_SET_BY_BOOTLOADER
1199 /* Use values set by bootloader. Determine PLL rate and recalculate
1200 * dependent clocks as if kernel had changed PLL or divisors.
1201 */
1202 {
1203 unsigned pll_ctl_val = omap_readw(DPLL_CTL);
1204
1205 ck_dpll1.rate = ck_ref.rate; /* Base xtal rate */
1206 if (pll_ctl_val & 0x10) {
1207 /* PLL enabled, apply multiplier and divisor */
1208 if (pll_ctl_val & 0xf80)
1209 ck_dpll1.rate *= (pll_ctl_val & 0xf80) >> 7;
1210 ck_dpll1.rate /= ((pll_ctl_val & 0x60) >> 5) + 1;
1211 } else {
1212 /* PLL disabled, apply bypass divisor */
1213 switch (pll_ctl_val & 0xc) {
1214 case 0:
1215 break;
1216 case 0x4:
1217 ck_dpll1.rate /= 2;
1218 break;
1219 default:
1220 ck_dpll1.rate /= 4;
1221 break;
1222 }
1223 }
1224 }
1225 propagate_rate(&ck_dpll1);
1226#else
1227 /* Find the highest supported frequency and enable it */
1228 if (select_table_rate(&virtual_ck_mpu, ~0)) {
1229 printk(KERN_ERR "System frequencies not set. Check your config.\n");
1230 /* Guess sane values (60MHz) */
1231 omap_writew(0x2290, DPLL_CTL);
1232 omap_writew(0x1005, ARM_CKCTL);
1233 ck_dpll1.rate = 60000000;
1234 propagate_rate(&ck_dpll1);
1235 }
1236#endif
1237 /* Cache rates for clocks connected to ck_ref (not dpll1) */
1238 propagate_rate(&ck_ref);
1239 printk(KERN_INFO "Clocking rate (xtal/DPLL1/MPU): "
1240 "%ld.%01ld/%ld.%01ld/%ld.%01ld MHz\n",
1241 ck_ref.rate / 1000000, (ck_ref.rate / 100000) % 10,
1242 ck_dpll1.rate / 1000000, (ck_dpll1.rate / 100000) % 10,
1243 arm_ck.rate / 1000000, (arm_ck.rate / 100000) % 10);
1244
1245#ifdef CONFIG_MACH_OMAP_PERSEUS2
1246 /* Select slicer output as OMAP input clock */
1247 omap_writew(omap_readw(OMAP730_PCC_UPLD_CTRL) & ~0x1, OMAP730_PCC_UPLD_CTRL);
1248#endif
1249
1250 /* Turn off DSP and ARM_TIMXO. Make sure ARM_INTHCK is not divided */
1251 omap_writew(omap_readw(ARM_CKCTL) & 0x0fff, ARM_CKCTL);
1252
1253 /* Put DSP/MPUI into reset until needed */
1254 omap_writew(0, ARM_RSTCT1);
1255 omap_writew(1, ARM_RSTCT2);
1256 omap_writew(0x400, ARM_IDLECT1);
1257
1258 /*
1259 * According to OMAP5910 Erratum SYS_DMA_1, bit DMACK_REQ (bit 8)
1260 * of the ARM_IDLECT2 register must be set to zero. The power-on
1261 * default value of this bit is one.
1262 */
1263 omap_writew(0x0000, ARM_IDLECT2); /* Turn LCD clock off also */
1264
1265 /*
1266 * Only enable those clocks we will need, let the drivers
1267 * enable other clocks as necessary
1268 */
1269 clk_use(&armper_ck);
1270 clk_use(&armxor_ck);
1271 clk_use(&armtim_ck);
1272
1273 if (cpu_is_omap1510())
1274 clk_enable(&arm_gpio_ck);
1275 284
1276 return 0; 285 spin_lock_irqsave(&clockfw_lock, flags);
286 if (arch_clock->clk_allow_idle)
287 arch_clock->clk_allow_idle(clk);
288 spin_unlock_irqrestore(&clockfw_lock, flags);
1277} 289}
290EXPORT_SYMBOL(clk_allow_idle);
1278 291
292/*-------------------------------------------------------------------------*/
1279 293
1280#ifdef CONFIG_OMAP_RESET_CLOCKS 294int __init clk_init(struct clk_functions * custom_clocks)
1281
1282static int __init omap_late_clk_reset(void)
1283{ 295{
1284 /* Turn off all unused clocks */ 296 if (!custom_clocks) {
1285 struct clk *p; 297 printk(KERN_ERR "No custom clock functions registered\n");
1286 __u32 regval32; 298 BUG();
1287
1288 /* USB_REQ_EN will be disabled later if necessary (usb_dc_ck) */
1289 regval32 = omap_readw(SOFT_REQ_REG) & (1 << 4);
1290 omap_writew(regval32, SOFT_REQ_REG);
1291 omap_writew(0, SOFT_REQ_REG2);
1292
1293 list_for_each_entry(p, &clocks, node) {
1294 if (p->usecount > 0 || (p->flags & ALWAYS_ENABLED) ||
1295 p->enable_reg == 0)
1296 continue;
1297
1298 /* Assume no DSP clocks have been activated by bootloader */
1299 if (p->flags & DSP_DOMAIN_CLOCK)
1300 continue;
1301
1302 /* Is the clock already disabled? */
1303 if (p->flags & ENABLE_REG_32BIT) {
1304 if (p->flags & VIRTUAL_IO_ADDRESS)
1305 regval32 = __raw_readl(p->enable_reg);
1306 else
1307 regval32 = omap_readl(p->enable_reg);
1308 } else {
1309 if (p->flags & VIRTUAL_IO_ADDRESS)
1310 regval32 = __raw_readw(p->enable_reg);
1311 else
1312 regval32 = omap_readw(p->enable_reg);
1313 }
1314
1315 if ((regval32 & (1 << p->enable_bit)) == 0)
1316 continue;
1317
1318 /* FIXME: This clock seems to be necessary but no-one
1319 * has asked for its activation. */
1320 if (p == &tc2_ck // FIX: pm.c (SRAM), CCP, Camera
1321 || p == &ck_dpll1out // FIX: SoSSI, SSR
1322 || p == &arm_gpio_ck // FIX: GPIO code for 1510
1323 ) {
1324 printk(KERN_INFO "FIXME: Clock \"%s\" seems unused\n",
1325 p->name);
1326 continue;
1327 }
1328
1329 printk(KERN_INFO "Disabling unused clock \"%s\"... ", p->name);
1330 __clk_disable(p);
1331 printk(" done\n");
1332 } 299 }
1333 300
301 arch_clock = custom_clocks;
302
1334 return 0; 303 return 0;
1335} 304}
1336
1337late_initcall(omap_late_clk_reset);
1338
1339#endif
diff --git a/arch/arm/plat-omap/clock.h b/arch/arm/plat-omap/clock.h
deleted file mode 100644
index a89e1e8c2519..000000000000
--- a/arch/arm/plat-omap/clock.h
+++ /dev/null
@@ -1,120 +0,0 @@
1/*
2 * linux/arch/arm/plat-omap/clock.h
3 *
4 * Copyright (C) 2004 Nokia corporation
5 * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
6 * Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#ifndef __ARCH_ARM_OMAP_CLOCK_H
14#define __ARCH_ARM_OMAP_CLOCK_H
15
16struct module;
17
18struct clk {
19 struct list_head node;
20 struct module *owner;
21 const char *name;
22 struct clk *parent;
23 unsigned long rate;
24 __s8 usecount;
25 __u16 flags;
26 __u32 enable_reg;
27 __u8 enable_bit;
28 __u8 rate_offset;
29 void (*recalc)(struct clk *);
30 int (*set_rate)(struct clk *, unsigned long);
31 long (*round_rate)(struct clk *, unsigned long);
32 void (*init)(struct clk *);
33};
34
35
36struct mpu_rate {
37 unsigned long rate;
38 unsigned long xtal;
39 unsigned long pll_rate;
40 __u16 ckctl_val;
41 __u16 dpllctl_val;
42};
43
44
45/* Clock flags */
46#define RATE_CKCTL 1
47#define RATE_FIXED 2
48#define RATE_PROPAGATES 4
49#define VIRTUAL_CLOCK 8
50#define ALWAYS_ENABLED 16
51#define ENABLE_REG_32BIT 32
52#define CLOCK_IN_OMAP16XX 64
53#define CLOCK_IN_OMAP1510 128
54#define CLOCK_IN_OMAP730 256
55#define DSP_DOMAIN_CLOCK 512
56#define VIRTUAL_IO_ADDRESS 1024
57
58/* ARM_CKCTL bit shifts */
59#define CKCTL_PERDIV_OFFSET 0
60#define CKCTL_LCDDIV_OFFSET 2
61#define CKCTL_ARMDIV_OFFSET 4
62#define CKCTL_DSPDIV_OFFSET 6
63#define CKCTL_TCDIV_OFFSET 8
64#define CKCTL_DSPMMUDIV_OFFSET 10
65/*#define ARM_TIMXO 12*/
66#define EN_DSPCK 13
67/*#define ARM_INTHCK_SEL 14*/ /* Divide-by-2 for mpu inth_ck */
68/* DSP_CKCTL bit shifts */
69#define CKCTL_DSPPERDIV_OFFSET 0
70
71/* ARM_IDLECT1 bit shifts */
72/*#define IDLWDT_ARM 0*/
73/*#define IDLXORP_ARM 1*/
74/*#define IDLPER_ARM 2*/
75/*#define IDLLCD_ARM 3*/
76/*#define IDLLB_ARM 4*/
77/*#define IDLHSAB_ARM 5*/
78/*#define IDLIF_ARM 6*/
79/*#define IDLDPLL_ARM 7*/
80/*#define IDLAPI_ARM 8*/
81/*#define IDLTIM_ARM 9*/
82/*#define SETARM_IDLE 11*/
83
84/* ARM_IDLECT2 bit shifts */
85#define EN_WDTCK 0
86#define EN_XORPCK 1
87#define EN_PERCK 2
88#define EN_LCDCK 3
89#define EN_LBCK 4 /* Not on 1610/1710 */
90/*#define EN_HSABCK 5*/
91#define EN_APICK 6
92#define EN_TIMCK 7
93#define DMACK_REQ 8
94#define EN_GPIOCK 9 /* Not on 1610/1710 */
95/*#define EN_LBFREECK 10*/
96#define EN_CKOUT_ARM 11
97
98/* ARM_IDLECT3 bit shifts */
99#define EN_OCPI_CK 0
100#define EN_TC1_CK 2
101#define EN_TC2_CK 4
102
103/* DSP_IDLECT2 bit shifts (0,1,2 are same as for ARM_IDLECT2) */
104#define EN_DSPTIMCK 5
105
106/* Various register defines for clock controls scattered around OMAP chip */
107#define USB_MCLK_EN_BIT 4 /* In ULPD_CLKC_CTRL */
108#define USB_HOST_HHC_UHOST_EN 9 /* In MOD_CONF_CTRL_0 */
109#define SWD_ULPD_PLL_CLK_REQ 1 /* In SWD_CLK_DIV_CTRL_SEL */
110#define COM_ULPD_PLL_CLK_REQ 1 /* In COM_CLK_DIV_CTRL_SEL */
111#define SWD_CLK_DIV_CTRL_SEL 0xfffe0874
112#define COM_CLK_DIV_CTRL_SEL 0xfffe0878
113#define SOFT_REQ_REG 0xfffe0834
114#define SOFT_REQ_REG2 0xfffe0880
115
116int clk_register(struct clk *clk);
117void clk_unregister(struct clk *clk);
118int clk_init(void);
119
120#endif
diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c
index 02bcc6c1cd1b..ccdb452630cf 100644
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -31,7 +31,7 @@
31#include <asm/arch/mux.h> 31#include <asm/arch/mux.h>
32#include <asm/arch/fpga.h> 32#include <asm/arch/fpga.h>
33 33
34#include "clock.h" 34#include <asm/arch/clock.h>
35 35
36#define NO_LENGTH_CHECK 0xffffffff 36#define NO_LENGTH_CHECK 0xffffffff
37 37
@@ -117,19 +117,43 @@ EXPORT_SYMBOL(omap_get_var_config);
117 117
118static int __init omap_add_serial_console(void) 118static int __init omap_add_serial_console(void)
119{ 119{
120 const struct omap_serial_console_config *info; 120 const struct omap_serial_console_config *con_info;
121 121 const struct omap_uart_config *uart_info;
122 info = omap_get_config(OMAP_TAG_SERIAL_CONSOLE, 122 static char speed[11], *opt = NULL;
123 struct omap_serial_console_config); 123 int line, i, uart_idx;
124 if (info != NULL && info->console_uart) { 124
125 static char speed[11], *opt = NULL; 125 uart_info = omap_get_config(OMAP_TAG_UART, struct omap_uart_config);
126 con_info = omap_get_config(OMAP_TAG_SERIAL_CONSOLE,
127 struct omap_serial_console_config);
128 if (uart_info == NULL || con_info == NULL)
129 return 0;
130
131 if (con_info->console_uart == 0)
132 return 0;
133
134 if (con_info->console_speed) {
135 snprintf(speed, sizeof(speed), "%u", con_info->console_speed);
136 opt = speed;
137 }
126 138
127 if (info->console_speed) { 139 uart_idx = con_info->console_uart - 1;
128 snprintf(speed, sizeof(speed), "%u", info->console_speed); 140 if (uart_idx >= OMAP_MAX_NR_PORTS) {
129 opt = speed; 141 printk(KERN_INFO "Console: external UART#%d. "
130 } 142 "Not adding it as console this time.\n",
131 return add_preferred_console("ttyS", info->console_uart - 1, opt); 143 uart_idx + 1);
144 return 0;
145 }
146 if (!(uart_info->enabled_uarts & (1 << uart_idx))) {
147 printk(KERN_ERR "Console: Selected UART#%d is "
148 "not enabled for this platform\n",
149 uart_idx + 1);
150 return -1;
151 }
152 line = 0;
153 for (i = 0; i < uart_idx; i++) {
154 if (uart_info->enabled_uarts & (1 << i))
155 line++;
132 } 156 }
133 return 0; 157 return add_preferred_console("ttyS", line, opt);
134} 158}
135console_initcall(omap_add_serial_console); 159console_initcall(omap_add_serial_console);
diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
new file mode 100644
index 000000000000..9dcce904b608
--- /dev/null
+++ b/arch/arm/plat-omap/devices.c
@@ -0,0 +1,381 @@
1/*
2 * linux/arch/arm/plat-omap/devices.c
3 *
4 * Common platform device setup/initialization for OMAP1 and OMAP2
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 */
11
12#include <linux/config.h>
13#include <linux/module.h>
14#include <linux/kernel.h>
15#include <linux/init.h>
16#include <linux/platform_device.h>
17
18#include <asm/hardware.h>
19#include <asm/io.h>
20#include <asm/mach-types.h>
21#include <asm/mach/map.h>
22
23#include <asm/arch/tc.h>
24#include <asm/arch/board.h>
25#include <asm/arch/mux.h>
26#include <asm/arch/gpio.h>
27
28
29void omap_nop_release(struct device *dev)
30{
31 /* Nothing */
32}
33
34/*-------------------------------------------------------------------------*/
35
36#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
37
38#define OMAP1_I2C_BASE 0xfffb3800
39#define OMAP2_I2C_BASE1 0x48070000
40#define OMAP_I2C_SIZE 0x3f
41#define OMAP1_I2C_INT INT_I2C
42#define OMAP2_I2C_INT1 56
43
44static struct resource i2c_resources1[] = {
45 {
46 .start = 0,
47 .end = 0,
48 .flags = IORESOURCE_MEM,
49 },
50 {
51 .start = 0,
52 .flags = IORESOURCE_IRQ,
53 },
54};
55
56/* DMA not used; works around erratum writing to non-empty i2c fifo */
57
58static struct platform_device omap_i2c_device1 = {
59 .name = "i2c_omap",
60 .id = 1,
61 .dev = {
62 .release = omap_nop_release,
63 },
64 .num_resources = ARRAY_SIZE(i2c_resources1),
65 .resource = i2c_resources1,
66};
67
68/* See also arch/arm/mach-omap2/devices.c for second I2C on 24xx */
69static void omap_init_i2c(void)
70{
71 if (cpu_is_omap24xx()) {
72 i2c_resources1[0].start = OMAP2_I2C_BASE1;
73 i2c_resources1[0].end = OMAP2_I2C_BASE1 + OMAP_I2C_SIZE;
74 i2c_resources1[1].start = OMAP2_I2C_INT1;
75 } else {
76 i2c_resources1[0].start = OMAP1_I2C_BASE;
77 i2c_resources1[0].end = OMAP1_I2C_BASE + OMAP_I2C_SIZE;
78 i2c_resources1[1].start = OMAP1_I2C_INT;
79 }
80
81 /* FIXME define and use a boot tag, in case of boards that
82 * either don't wire up I2C, or chips that mux it differently...
83 * it can include clocking and address info, maybe more.
84 */
85 if (cpu_is_omap24xx()) {
86 omap_cfg_reg(M19_24XX_I2C1_SCL);
87 omap_cfg_reg(L15_24XX_I2C1_SDA);
88 } else {
89 omap_cfg_reg(I2C_SCL);
90 omap_cfg_reg(I2C_SDA);
91 }
92
93 (void) platform_device_register(&omap_i2c_device1);
94}
95
96#else
97static inline void omap_init_i2c(void) {}
98#endif
99
100/*-------------------------------------------------------------------------*/
101
102#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
103
104#ifdef CONFIG_ARCH_OMAP24XX
105#define OMAP_MMC1_BASE 0x4809c000
106#define OMAP_MMC1_INT 83
107#else
108#define OMAP_MMC1_BASE 0xfffb7800
109#define OMAP_MMC1_INT INT_MMC
110#endif
111#define OMAP_MMC2_BASE 0xfffb7c00 /* omap16xx only */
112
113static struct omap_mmc_conf mmc1_conf;
114
115static u64 mmc1_dmamask = 0xffffffff;
116
117static struct resource mmc1_resources[] = {
118 {
119 .start = IO_ADDRESS(OMAP_MMC1_BASE),
120 .end = IO_ADDRESS(OMAP_MMC1_BASE) + 0x7f,
121 .flags = IORESOURCE_MEM,
122 },
123 {
124 .start = OMAP_MMC1_INT,
125 .flags = IORESOURCE_IRQ,
126 },
127};
128
129static struct platform_device mmc_omap_device1 = {
130 .name = "mmci-omap",
131 .id = 1,
132 .dev = {
133 .release = omap_nop_release,
134 .dma_mask = &mmc1_dmamask,
135 .platform_data = &mmc1_conf,
136 },
137 .num_resources = ARRAY_SIZE(mmc1_resources),
138 .resource = mmc1_resources,
139};
140
141#ifdef CONFIG_ARCH_OMAP16XX
142
143static struct omap_mmc_conf mmc2_conf;
144
145static u64 mmc2_dmamask = 0xffffffff;
146
147static struct resource mmc2_resources[] = {
148 {
149 .start = IO_ADDRESS(OMAP_MMC2_BASE),
150 .end = IO_ADDRESS(OMAP_MMC2_BASE) + 0x7f,
151 .flags = IORESOURCE_MEM,
152 },
153 {
154 .start = INT_1610_MMC2,
155 .flags = IORESOURCE_IRQ,
156 },
157};
158
159static struct platform_device mmc_omap_device2 = {
160 .name = "mmci-omap",
161 .id = 2,
162 .dev = {
163 .release = omap_nop_release,
164 .dma_mask = &mmc2_dmamask,
165 .platform_data = &mmc2_conf,
166 },
167 .num_resources = ARRAY_SIZE(mmc2_resources),
168 .resource = mmc2_resources,
169};
170#endif
171
172static void __init omap_init_mmc(void)
173{
174 const struct omap_mmc_config *mmc_conf;
175 const struct omap_mmc_conf *mmc;
176
177 /* NOTE: assumes MMC was never (wrongly) enabled */
178 mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config);
179 if (!mmc_conf)
180 return;
181
182 /* block 1 is always available and has just one pinout option */
183 mmc = &mmc_conf->mmc[0];
184 if (mmc->enabled) {
185 if (!cpu_is_omap24xx()) {
186 omap_cfg_reg(MMC_CMD);
187 omap_cfg_reg(MMC_CLK);
188 omap_cfg_reg(MMC_DAT0);
189 if (cpu_is_omap1710()) {
190 omap_cfg_reg(M15_1710_MMC_CLKI);
191 omap_cfg_reg(P19_1710_MMC_CMDDIR);
192 omap_cfg_reg(P20_1710_MMC_DATDIR0);
193 }
194 }
195 if (mmc->wire4) {
196 if (!cpu_is_omap24xx()) {
197 omap_cfg_reg(MMC_DAT1);
198 /* NOTE: DAT2 can be on W10 (here) or M15 */
199 if (!mmc->nomux)
200 omap_cfg_reg(MMC_DAT2);
201 omap_cfg_reg(MMC_DAT3);
202 }
203 }
204 mmc1_conf = *mmc;
205 (void) platform_device_register(&mmc_omap_device1);
206 }
207
208#ifdef CONFIG_ARCH_OMAP16XX
209 /* block 2 is on newer chips, and has many pinout options */
210 mmc = &mmc_conf->mmc[1];
211 if (mmc->enabled) {
212 if (!mmc->nomux) {
213 omap_cfg_reg(Y8_1610_MMC2_CMD);
214 omap_cfg_reg(Y10_1610_MMC2_CLK);
215 omap_cfg_reg(R18_1610_MMC2_CLKIN);
216 omap_cfg_reg(W8_1610_MMC2_DAT0);
217 if (mmc->wire4) {
218 omap_cfg_reg(V8_1610_MMC2_DAT1);
219 omap_cfg_reg(W15_1610_MMC2_DAT2);
220 omap_cfg_reg(R10_1610_MMC2_DAT3);
221 }
222
223 /* These are needed for the level shifter */
224 omap_cfg_reg(V9_1610_MMC2_CMDDIR);
225 omap_cfg_reg(V5_1610_MMC2_DATDIR0);
226 omap_cfg_reg(W19_1610_MMC2_DATDIR1);
227 }
228
229 /* Feedback clock must be set on OMAP-1710 MMC2 */
230 if (cpu_is_omap1710())
231 omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24),
232 MOD_CONF_CTRL_1);
233 mmc2_conf = *mmc;
234 (void) platform_device_register(&mmc_omap_device2);
235 }
236#endif
237 return;
238}
239#else
240static inline void omap_init_mmc(void) {}
241#endif
242
243#if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
244
245#ifdef CONFIG_ARCH_OMAP24XX
246#define OMAP_WDT_BASE 0x48022000
247#else
248#define OMAP_WDT_BASE 0xfffeb000
249#endif
250
251static struct resource wdt_resources[] = {
252 {
253 .start = OMAP_WDT_BASE,
254 .end = OMAP_WDT_BASE + 0x4f,
255 .flags = IORESOURCE_MEM,
256 },
257};
258
259static struct platform_device omap_wdt_device = {
260 .name = "omap_wdt",
261 .id = -1,
262 .dev = {
263 .release = omap_nop_release,
264 },
265 .num_resources = ARRAY_SIZE(wdt_resources),
266 .resource = wdt_resources,
267};
268
269static void omap_init_wdt(void)
270{
271 (void) platform_device_register(&omap_wdt_device);
272}
273#else
274static inline void omap_init_wdt(void) {}
275#endif
276
277/*-------------------------------------------------------------------------*/
278
279#if defined(CONFIG_OMAP_RNG) || defined(CONFIG_OMAP_RNG_MODULE)
280
281#ifdef CONFIG_ARCH_OMAP24XX
282#define OMAP_RNG_BASE 0x480A0000
283#else
284#define OMAP_RNG_BASE 0xfffe5000
285#endif
286
287static struct resource rng_resources[] = {
288 {
289 .start = OMAP_RNG_BASE,
290 .end = OMAP_RNG_BASE + 0x4f,
291 .flags = IORESOURCE_MEM,
292 },
293};
294
295static struct platform_device omap_rng_device = {
296 .name = "omap_rng",
297 .id = -1,
298 .dev = {
299 .release = omap_nop_release,
300 },
301 .num_resources = ARRAY_SIZE(rng_resources),
302 .resource = rng_resources,
303};
304
305static void omap_init_rng(void)
306{
307 (void) platform_device_register(&omap_rng_device);
308}
309#else
310static inline void omap_init_rng(void) {}
311#endif
312
313#if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE)
314
315static struct omap_lcd_config omap_fb_conf;
316
317static u64 omap_fb_dma_mask = ~(u32)0;
318
319static struct platform_device omap_fb_device = {
320 .name = "omapfb",
321 .id = -1,
322 .dev = {
323 .release = omap_nop_release,
324 .dma_mask = &omap_fb_dma_mask,
325 .coherent_dma_mask = ~(u32)0,
326 .platform_data = &omap_fb_conf,
327 },
328 .num_resources = 0,
329};
330
331static inline void omap_init_fb(void)
332{
333 const struct omap_lcd_config *conf;
334
335 conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
336 if (conf != NULL)
337 omap_fb_conf = *conf;
338 platform_device_register(&omap_fb_device);
339}
340
341#else
342
343static inline void omap_init_fb(void) {}
344
345#endif
346
347/*
348 * This gets called after board-specific INIT_MACHINE, and initializes most
349 * on-chip peripherals accessible on this board (except for few like USB):
350 *
351 * (a) Does any "standard config" pin muxing needed. Board-specific
352 * code will have muxed GPIO pins and done "nonstandard" setup;
353 * that code could live in the boot loader.
354 * (b) Populating board-specific platform_data with the data drivers
355 * rely on to handle wiring variations.
356 * (c) Creating platform devices as meaningful on this board and
357 * with this kernel configuration.
358 *
359 * Claiming GPIOs, and setting their direction and initial values, is the
360 * responsibility of the device drivers. So is responding to probe().
361 *
362 * Board-specific knowlege like creating devices or pin setup is to be
363 * kept out of drivers as much as possible. In particular, pin setup
364 * may be handled by the boot loader, and drivers should expect it will
365 * normally have been done by the time they're probed.
366 */
367static int __init omap_init_devices(void)
368{
369 /* please keep these calls, and their implementations above,
370 * in alphabetical order so they're easier to sort through.
371 */
372 omap_init_fb();
373 omap_init_i2c();
374 omap_init_mmc();
375 omap_init_wdt();
376 omap_init_rng();
377
378 return 0;
379}
380arch_initcall(omap_init_devices);
381
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index da7b65145658..f5cc21ad0956 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -6,6 +6,8 @@
6 * DMA channel linking for 1610 by Samuel Ortiz <samuel.ortiz@nokia.com> 6 * DMA channel linking for 1610 by Samuel Ortiz <samuel.ortiz@nokia.com>
7 * Graphics DMA and LCD DMA graphics tranformations 7 * Graphics DMA and LCD DMA graphics tranformations
8 * by Imre Deak <imre.deak@nokia.com> 8 * by Imre Deak <imre.deak@nokia.com>
9 * OMAP2 support Copyright (C) 2004-2005 Texas Instruments, Inc.
10 * Merged to support both OMAP1 and OMAP2 by Tony Lindgren <tony@atomide.com>
9 * Some functions based on earlier dma-omap.c Copyright (C) 2001 RidgeRun, Inc. 11 * Some functions based on earlier dma-omap.c Copyright (C) 2001 RidgeRun, Inc.
10 * 12 *
11 * Support functions for the OMAP internal DMA channels. 13 * Support functions for the OMAP internal DMA channels.
@@ -31,8 +33,15 @@
31 33
32#include <asm/arch/tc.h> 34#include <asm/arch/tc.h>
33 35
34#define OMAP_DMA_ACTIVE 0x01 36#define DEBUG_PRINTS
37#undef DEBUG_PRINTS
38#ifdef DEBUG_PRINTS
39#define debug_printk(x) printk x
40#else
41#define debug_printk(x)
42#endif
35 43
44#define OMAP_DMA_ACTIVE 0x01
36#define OMAP_DMA_CCR_EN (1 << 7) 45#define OMAP_DMA_CCR_EN (1 << 7)
37 46
38#define OMAP_FUNC_MUX_ARM_BASE (0xfffe1000 + 0xec) 47#define OMAP_FUNC_MUX_ARM_BASE (0xfffe1000 + 0xec)
@@ -55,7 +64,7 @@ static int dma_chan_count;
55static spinlock_t dma_chan_lock; 64static spinlock_t dma_chan_lock;
56static struct omap_dma_lch dma_chan[OMAP_LOGICAL_DMA_CH_COUNT]; 65static struct omap_dma_lch dma_chan[OMAP_LOGICAL_DMA_CH_COUNT];
57 66
58const static u8 dma_irq[OMAP_LOGICAL_DMA_CH_COUNT] = { 67const static u8 omap1_dma_irq[OMAP_LOGICAL_DMA_CH_COUNT] = {
59 INT_DMA_CH0_6, INT_DMA_CH1_7, INT_DMA_CH2_8, INT_DMA_CH3, 68 INT_DMA_CH0_6, INT_DMA_CH1_7, INT_DMA_CH2_8, INT_DMA_CH3,
60 INT_DMA_CH4, INT_DMA_CH5, INT_1610_DMA_CH6, INT_1610_DMA_CH7, 69 INT_DMA_CH4, INT_DMA_CH5, INT_1610_DMA_CH6, INT_1610_DMA_CH7,
61 INT_1610_DMA_CH8, INT_1610_DMA_CH9, INT_1610_DMA_CH10, 70 INT_1610_DMA_CH8, INT_1610_DMA_CH9, INT_1610_DMA_CH10,
@@ -63,6 +72,20 @@ const static u8 dma_irq[OMAP_LOGICAL_DMA_CH_COUNT] = {
63 INT_1610_DMA_CH14, INT_1610_DMA_CH15, INT_DMA_LCD 72 INT_1610_DMA_CH14, INT_1610_DMA_CH15, INT_DMA_LCD
64}; 73};
65 74
75#define REVISIT_24XX() printk(KERN_ERR "FIXME: no %s on 24xx\n", \
76 __FUNCTION__);
77
78#ifdef CONFIG_ARCH_OMAP15XX
79/* Returns 1 if the DMA module is in OMAP1510-compatible mode, 0 otherwise */
80int omap_dma_in_1510_mode(void)
81{
82 return enable_1510_mode;
83}
84#else
85#define omap_dma_in_1510_mode() 0
86#endif
87
88#ifdef CONFIG_ARCH_OMAP1
66static inline int get_gdma_dev(int req) 89static inline int get_gdma_dev(int req)
67{ 90{
68 u32 reg = OMAP_FUNC_MUX_ARM_BASE + ((req - 1) / 5) * 4; 91 u32 reg = OMAP_FUNC_MUX_ARM_BASE + ((req - 1) / 5) * 4;
@@ -82,6 +105,9 @@ static inline void set_gdma_dev(int req, int dev)
82 l |= (dev - 1) << shift; 105 l |= (dev - 1) << shift;
83 omap_writel(l, reg); 106 omap_writel(l, reg);
84} 107}
108#else
109#define set_gdma_dev(req, dev) do {} while (0)
110#endif
85 111
86static void clear_lch_regs(int lch) 112static void clear_lch_regs(int lch)
87{ 113{
@@ -121,38 +147,62 @@ void omap_set_dma_priority(int dst_port, int priority)
121} 147}
122 148
123void omap_set_dma_transfer_params(int lch, int data_type, int elem_count, 149void omap_set_dma_transfer_params(int lch, int data_type, int elem_count,
124 int frame_count, int sync_mode) 150 int frame_count, int sync_mode,
151 int dma_trigger, int src_or_dst_synch)
125{ 152{
126 u16 w; 153 OMAP_DMA_CSDP_REG(lch) &= ~0x03;
154 OMAP_DMA_CSDP_REG(lch) |= data_type;
127 155
128 w = omap_readw(OMAP_DMA_CSDP(lch)); 156 if (cpu_class_is_omap1()) {
129 w &= ~0x03; 157 OMAP_DMA_CCR_REG(lch) &= ~(1 << 5);
130 w |= data_type; 158 if (sync_mode == OMAP_DMA_SYNC_FRAME)
131 omap_writew(w, OMAP_DMA_CSDP(lch)); 159 OMAP_DMA_CCR_REG(lch) |= 1 << 5;
160
161 OMAP1_DMA_CCR2_REG(lch) &= ~(1 << 2);
162 if (sync_mode == OMAP_DMA_SYNC_BLOCK)
163 OMAP1_DMA_CCR2_REG(lch) |= 1 << 2;
164 }
165
166 if (cpu_is_omap24xx() && dma_trigger) {
167 u32 val = OMAP_DMA_CCR_REG(lch);
168
169 if (dma_trigger > 63)
170 val |= 1 << 20;
171 if (dma_trigger > 31)
172 val |= 1 << 19;
132 173
133 w = omap_readw(OMAP_DMA_CCR(lch)); 174 val |= (dma_trigger & 0x1f);
134 w &= ~(1 << 5);
135 if (sync_mode == OMAP_DMA_SYNC_FRAME)
136 w |= 1 << 5;
137 omap_writew(w, OMAP_DMA_CCR(lch));
138 175
139 w = omap_readw(OMAP_DMA_CCR2(lch)); 176 if (sync_mode & OMAP_DMA_SYNC_FRAME)
140 w &= ~(1 << 2); 177 val |= 1 << 5;
141 if (sync_mode == OMAP_DMA_SYNC_BLOCK)
142 w |= 1 << 2;
143 omap_writew(w, OMAP_DMA_CCR2(lch));
144 178
145 omap_writew(elem_count, OMAP_DMA_CEN(lch)); 179 if (sync_mode & OMAP_DMA_SYNC_BLOCK)
146 omap_writew(frame_count, OMAP_DMA_CFN(lch)); 180 val |= 1 << 18;
147 181
182 if (src_or_dst_synch)
183 val |= 1 << 24; /* source synch */
184 else
185 val &= ~(1 << 24); /* dest synch */
186
187 OMAP_DMA_CCR_REG(lch) = val;
188 }
189
190 OMAP_DMA_CEN_REG(lch) = elem_count;
191 OMAP_DMA_CFN_REG(lch) = frame_count;
148} 192}
193
149void omap_set_dma_color_mode(int lch, enum omap_dma_color_mode mode, u32 color) 194void omap_set_dma_color_mode(int lch, enum omap_dma_color_mode mode, u32 color)
150{ 195{
151 u16 w; 196 u16 w;
152 197
153 BUG_ON(omap_dma_in_1510_mode()); 198 BUG_ON(omap_dma_in_1510_mode());
154 199
155 w = omap_readw(OMAP_DMA_CCR2(lch)) & ~0x03; 200 if (cpu_is_omap24xx()) {
201 REVISIT_24XX();
202 return;
203 }
204
205 w = OMAP1_DMA_CCR2_REG(lch) & ~0x03;
156 switch (mode) { 206 switch (mode) {
157 case OMAP_DMA_CONSTANT_FILL: 207 case OMAP_DMA_CONSTANT_FILL:
158 w |= 0x01; 208 w |= 0x01;
@@ -165,63 +215,84 @@ void omap_set_dma_color_mode(int lch, enum omap_dma_color_mode mode, u32 color)
165 default: 215 default:
166 BUG(); 216 BUG();
167 } 217 }
168 omap_writew(w, OMAP_DMA_CCR2(lch)); 218 OMAP1_DMA_CCR2_REG(lch) = w;
169 219
170 w = omap_readw(OMAP_DMA_LCH_CTRL(lch)) & ~0x0f; 220 w = OMAP1_DMA_LCH_CTRL_REG(lch) & ~0x0f;
171 /* Default is channel type 2D */ 221 /* Default is channel type 2D */
172 if (mode) { 222 if (mode) {
173 omap_writew((u16)color, OMAP_DMA_COLOR_L(lch)); 223 OMAP1_DMA_COLOR_L_REG(lch) = (u16)color;
174 omap_writew((u16)(color >> 16), OMAP_DMA_COLOR_U(lch)); 224 OMAP1_DMA_COLOR_U_REG(lch) = (u16)(color >> 16);
175 w |= 1; /* Channel type G */ 225 w |= 1; /* Channel type G */
176 } 226 }
177 omap_writew(w, OMAP_DMA_LCH_CTRL(lch)); 227 OMAP1_DMA_LCH_CTRL_REG(lch) = w;
178} 228}
179 229
180 230/* Note that src_port is only for omap1 */
181void omap_set_dma_src_params(int lch, int src_port, int src_amode, 231void omap_set_dma_src_params(int lch, int src_port, int src_amode,
182 unsigned long src_start) 232 unsigned long src_start,
233 int src_ei, int src_fi)
183{ 234{
184 u16 w; 235 if (cpu_class_is_omap1()) {
236 OMAP_DMA_CSDP_REG(lch) &= ~(0x1f << 2);
237 OMAP_DMA_CSDP_REG(lch) |= src_port << 2;
238 }
239
240 OMAP_DMA_CCR_REG(lch) &= ~(0x03 << 12);
241 OMAP_DMA_CCR_REG(lch) |= src_amode << 12;
242
243 if (cpu_class_is_omap1()) {
244 OMAP1_DMA_CSSA_U_REG(lch) = src_start >> 16;
245 OMAP1_DMA_CSSA_L_REG(lch) = src_start;
246 }
185 247
186 w = omap_readw(OMAP_DMA_CSDP(lch)); 248 if (cpu_is_omap24xx())
187 w &= ~(0x1f << 2); 249 OMAP2_DMA_CSSA_REG(lch) = src_start;
188 w |= src_port << 2;
189 omap_writew(w, OMAP_DMA_CSDP(lch));
190 250
191 w = omap_readw(OMAP_DMA_CCR(lch)); 251 OMAP_DMA_CSEI_REG(lch) = src_ei;
192 w &= ~(0x03 << 12); 252 OMAP_DMA_CSFI_REG(lch) = src_fi;
193 w |= src_amode << 12; 253}
194 omap_writew(w, OMAP_DMA_CCR(lch));
195 254
196 omap_writew(src_start >> 16, OMAP_DMA_CSSA_U(lch)); 255void omap_set_dma_params(int lch, struct omap_dma_channel_params * params)
197 omap_writew(src_start, OMAP_DMA_CSSA_L(lch)); 256{
257 omap_set_dma_transfer_params(lch, params->data_type,
258 params->elem_count, params->frame_count,
259 params->sync_mode, params->trigger,
260 params->src_or_dst_synch);
261 omap_set_dma_src_params(lch, params->src_port,
262 params->src_amode, params->src_start,
263 params->src_ei, params->src_fi);
264
265 omap_set_dma_dest_params(lch, params->dst_port,
266 params->dst_amode, params->dst_start,
267 params->dst_ei, params->dst_fi);
198} 268}
199 269
200void omap_set_dma_src_index(int lch, int eidx, int fidx) 270void omap_set_dma_src_index(int lch, int eidx, int fidx)
201{ 271{
202 omap_writew(eidx, OMAP_DMA_CSEI(lch)); 272 if (cpu_is_omap24xx()) {
203 omap_writew(fidx, OMAP_DMA_CSFI(lch)); 273 REVISIT_24XX();
274 return;
275 }
276 OMAP_DMA_CSEI_REG(lch) = eidx;
277 OMAP_DMA_CSFI_REG(lch) = fidx;
204} 278}
205 279
206void omap_set_dma_src_data_pack(int lch, int enable) 280void omap_set_dma_src_data_pack(int lch, int enable)
207{ 281{
208 u16 w; 282 OMAP_DMA_CSDP_REG(lch) &= ~(1 << 6);
209 283 if (enable)
210 w = omap_readw(OMAP_DMA_CSDP(lch)) & ~(1 << 6); 284 OMAP_DMA_CSDP_REG(lch) |= (1 << 6);
211 w |= enable ? (1 << 6) : 0;
212 omap_writew(w, OMAP_DMA_CSDP(lch));
213} 285}
214 286
215void omap_set_dma_src_burst_mode(int lch, enum omap_dma_burst_mode burst_mode) 287void omap_set_dma_src_burst_mode(int lch, enum omap_dma_burst_mode burst_mode)
216{ 288{
217 u16 w; 289 OMAP_DMA_CSDP_REG(lch) &= ~(0x03 << 7);
218 290
219 w = omap_readw(OMAP_DMA_CSDP(lch)) & ~(0x03 << 7);
220 switch (burst_mode) { 291 switch (burst_mode) {
221 case OMAP_DMA_DATA_BURST_DIS: 292 case OMAP_DMA_DATA_BURST_DIS:
222 break; 293 break;
223 case OMAP_DMA_DATA_BURST_4: 294 case OMAP_DMA_DATA_BURST_4:
224 w |= (0x01 << 7); 295 OMAP_DMA_CSDP_REG(lch) |= (0x02 << 7);
225 break; 296 break;
226 case OMAP_DMA_DATA_BURST_8: 297 case OMAP_DMA_DATA_BURST_8:
227 /* not supported by current hardware 298 /* not supported by current hardware
@@ -231,110 +302,283 @@ void omap_set_dma_src_burst_mode(int lch, enum omap_dma_burst_mode burst_mode)
231 default: 302 default:
232 BUG(); 303 BUG();
233 } 304 }
234 omap_writew(w, OMAP_DMA_CSDP(lch));
235} 305}
236 306
307/* Note that dest_port is only for OMAP1 */
237void omap_set_dma_dest_params(int lch, int dest_port, int dest_amode, 308void omap_set_dma_dest_params(int lch, int dest_port, int dest_amode,
238 unsigned long dest_start) 309 unsigned long dest_start,
310 int dst_ei, int dst_fi)
239{ 311{
240 u16 w; 312 if (cpu_class_is_omap1()) {
313 OMAP_DMA_CSDP_REG(lch) &= ~(0x1f << 9);
314 OMAP_DMA_CSDP_REG(lch) |= dest_port << 9;
315 }
241 316
242 w = omap_readw(OMAP_DMA_CSDP(lch)); 317 OMAP_DMA_CCR_REG(lch) &= ~(0x03 << 14);
243 w &= ~(0x1f << 9); 318 OMAP_DMA_CCR_REG(lch) |= dest_amode << 14;
244 w |= dest_port << 9; 319
245 omap_writew(w, OMAP_DMA_CSDP(lch)); 320 if (cpu_class_is_omap1()) {
321 OMAP1_DMA_CDSA_U_REG(lch) = dest_start >> 16;
322 OMAP1_DMA_CDSA_L_REG(lch) = dest_start;
323 }
246 324
247 w = omap_readw(OMAP_DMA_CCR(lch)); 325 if (cpu_is_omap24xx())
248 w &= ~(0x03 << 14); 326 OMAP2_DMA_CDSA_REG(lch) = dest_start;
249 w |= dest_amode << 14;
250 omap_writew(w, OMAP_DMA_CCR(lch));
251 327
252 omap_writew(dest_start >> 16, OMAP_DMA_CDSA_U(lch)); 328 OMAP_DMA_CDEI_REG(lch) = dst_ei;
253 omap_writew(dest_start, OMAP_DMA_CDSA_L(lch)); 329 OMAP_DMA_CDFI_REG(lch) = dst_fi;
254} 330}
255 331
256void omap_set_dma_dest_index(int lch, int eidx, int fidx) 332void omap_set_dma_dest_index(int lch, int eidx, int fidx)
257{ 333{
258 omap_writew(eidx, OMAP_DMA_CDEI(lch)); 334 if (cpu_is_omap24xx()) {
259 omap_writew(fidx, OMAP_DMA_CDFI(lch)); 335 REVISIT_24XX();
336 return;
337 }
338 OMAP_DMA_CDEI_REG(lch) = eidx;
339 OMAP_DMA_CDFI_REG(lch) = fidx;
260} 340}
261 341
262void omap_set_dma_dest_data_pack(int lch, int enable) 342void omap_set_dma_dest_data_pack(int lch, int enable)
263{ 343{
264 u16 w; 344 OMAP_DMA_CSDP_REG(lch) &= ~(1 << 13);
265 345 if (enable)
266 w = omap_readw(OMAP_DMA_CSDP(lch)) & ~(1 << 13); 346 OMAP_DMA_CSDP_REG(lch) |= 1 << 13;
267 w |= enable ? (1 << 13) : 0;
268 omap_writew(w, OMAP_DMA_CSDP(lch));
269} 347}
270 348
271void omap_set_dma_dest_burst_mode(int lch, enum omap_dma_burst_mode burst_mode) 349void omap_set_dma_dest_burst_mode(int lch, enum omap_dma_burst_mode burst_mode)
272{ 350{
273 u16 w; 351 OMAP_DMA_CSDP_REG(lch) &= ~(0x03 << 14);
274 352
275 w = omap_readw(OMAP_DMA_CSDP(lch)) & ~(0x03 << 14);
276 switch (burst_mode) { 353 switch (burst_mode) {
277 case OMAP_DMA_DATA_BURST_DIS: 354 case OMAP_DMA_DATA_BURST_DIS:
278 break; 355 break;
279 case OMAP_DMA_DATA_BURST_4: 356 case OMAP_DMA_DATA_BURST_4:
280 w |= (0x01 << 14); 357 OMAP_DMA_CSDP_REG(lch) |= (0x02 << 14);
281 break; 358 break;
282 case OMAP_DMA_DATA_BURST_8: 359 case OMAP_DMA_DATA_BURST_8:
283 w |= (0x03 << 14); 360 OMAP_DMA_CSDP_REG(lch) |= (0x03 << 14);
284 break; 361 break;
285 default: 362 default:
286 printk(KERN_ERR "Invalid DMA burst mode\n"); 363 printk(KERN_ERR "Invalid DMA burst mode\n");
287 BUG(); 364 BUG();
288 return; 365 return;
289 } 366 }
290 omap_writew(w, OMAP_DMA_CSDP(lch));
291} 367}
292 368
293static inline void init_intr(int lch) 369static inline void omap_enable_channel_irq(int lch)
294{ 370{
295 u16 w; 371 u32 status;
296 372
297 /* Read CSR to make sure it's cleared. */ 373 /* Read CSR to make sure it's cleared. */
298 w = omap_readw(OMAP_DMA_CSR(lch)); 374 status = OMAP_DMA_CSR_REG(lch);
375
299 /* Enable some nice interrupts. */ 376 /* Enable some nice interrupts. */
300 omap_writew(dma_chan[lch].enabled_irqs, OMAP_DMA_CICR(lch)); 377 OMAP_DMA_CICR_REG(lch) = dma_chan[lch].enabled_irqs;
378
301 dma_chan[lch].flags |= OMAP_DMA_ACTIVE; 379 dma_chan[lch].flags |= OMAP_DMA_ACTIVE;
302} 380}
303 381
304static inline void enable_lnk(int lch) 382static void omap_disable_channel_irq(int lch)
305{ 383{
306 u16 w; 384 if (cpu_is_omap24xx())
385 OMAP_DMA_CICR_REG(lch) = 0;
386}
387
388void omap_enable_dma_irq(int lch, u16 bits)
389{
390 dma_chan[lch].enabled_irqs |= bits;
391}
307 392
308 /* Clear the STOP_LNK bits */ 393void omap_disable_dma_irq(int lch, u16 bits)
309 w = omap_readw(OMAP_DMA_CLNK_CTRL(lch)); 394{
310 w &= ~(1 << 14); 395 dma_chan[lch].enabled_irqs &= ~bits;
311 omap_writew(w, OMAP_DMA_CLNK_CTRL(lch)); 396}
397
398static inline void enable_lnk(int lch)
399{
400 if (cpu_class_is_omap1())
401 OMAP_DMA_CLNK_CTRL_REG(lch) &= ~(1 << 14);
312 402
313 /* And set the ENABLE_LNK bits */ 403 /* Set the ENABLE_LNK bits */
314 if (dma_chan[lch].next_lch != -1) 404 if (dma_chan[lch].next_lch != -1)
315 omap_writew(dma_chan[lch].next_lch | (1 << 15), 405 OMAP_DMA_CLNK_CTRL_REG(lch) =
316 OMAP_DMA_CLNK_CTRL(lch)); 406 dma_chan[lch].next_lch | (1 << 15);
317} 407}
318 408
319static inline void disable_lnk(int lch) 409static inline void disable_lnk(int lch)
320{ 410{
321 u16 w;
322
323 /* Disable interrupts */ 411 /* Disable interrupts */
324 omap_writew(0, OMAP_DMA_CICR(lch)); 412 if (cpu_class_is_omap1()) {
413 OMAP_DMA_CICR_REG(lch) = 0;
414 /* Set the STOP_LNK bit */
415 OMAP_DMA_CLNK_CTRL_REG(lch) |= 1 << 14;
416 }
325 417
326 /* Set the STOP_LNK bit */ 418 if (cpu_is_omap24xx()) {
327 w = omap_readw(OMAP_DMA_CLNK_CTRL(lch)); 419 omap_disable_channel_irq(lch);
328 w |= (1 << 14); 420 /* Clear the ENABLE_LNK bit */
329 w = omap_writew(w, OMAP_DMA_CLNK_CTRL(lch)); 421 OMAP_DMA_CLNK_CTRL_REG(lch) &= ~(1 << 15);
422 }
330 423
331 dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE; 424 dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE;
332} 425}
333 426
334void omap_start_dma(int lch) 427static inline void omap2_enable_irq_lch(int lch)
335{ 428{
336 u16 w; 429 u32 val;
430
431 if (!cpu_is_omap24xx())
432 return;
433
434 val = omap_readl(OMAP_DMA4_IRQENABLE_L0);
435 val |= 1 << lch;
436 omap_writel(val, OMAP_DMA4_IRQENABLE_L0);
437}
438
439int omap_request_dma(int dev_id, const char *dev_name,
440 void (* callback)(int lch, u16 ch_status, void *data),
441 void *data, int *dma_ch_out)
442{
443 int ch, free_ch = -1;
444 unsigned long flags;
445 struct omap_dma_lch *chan;
446
447 spin_lock_irqsave(&dma_chan_lock, flags);
448 for (ch = 0; ch < dma_chan_count; ch++) {
449 if (free_ch == -1 && dma_chan[ch].dev_id == -1) {
450 free_ch = ch;
451 if (dev_id == 0)
452 break;
453 }
454 }
455 if (free_ch == -1) {
456 spin_unlock_irqrestore(&dma_chan_lock, flags);
457 return -EBUSY;
458 }
459 chan = dma_chan + free_ch;
460 chan->dev_id = dev_id;
461
462 if (cpu_class_is_omap1())
463 clear_lch_regs(free_ch);
337 464
465 if (cpu_is_omap24xx())
466 omap_clear_dma(free_ch);
467
468 spin_unlock_irqrestore(&dma_chan_lock, flags);
469
470 chan->dev_name = dev_name;
471 chan->callback = callback;
472 chan->data = data;
473 chan->enabled_irqs = OMAP_DMA_TOUT_IRQ | OMAP_DMA_DROP_IRQ |
474 OMAP_DMA_BLOCK_IRQ;
475
476 if (cpu_is_omap24xx())
477 chan->enabled_irqs |= OMAP2_DMA_TRANS_ERR_IRQ;
478
479 if (cpu_is_omap16xx()) {
480 /* If the sync device is set, configure it dynamically. */
481 if (dev_id != 0) {
482 set_gdma_dev(free_ch + 1, dev_id);
483 dev_id = free_ch + 1;
484 }
485 /* Disable the 1510 compatibility mode and set the sync device
486 * id. */
487 OMAP_DMA_CCR_REG(free_ch) = dev_id | (1 << 10);
488 } else if (cpu_is_omap730() || cpu_is_omap15xx()) {
489 OMAP_DMA_CCR_REG(free_ch) = dev_id;
490 }
491
492 if (cpu_is_omap24xx()) {
493 omap2_enable_irq_lch(free_ch);
494
495 omap_enable_channel_irq(free_ch);
496 /* Clear the CSR register and IRQ status register */
497 OMAP_DMA_CSR_REG(free_ch) = 0x0;
498 omap_writel(~0x0, OMAP_DMA4_IRQSTATUS_L0);
499 }
500
501 *dma_ch_out = free_ch;
502
503 return 0;
504}
505
506void omap_free_dma(int lch)
507{
508 unsigned long flags;
509
510 spin_lock_irqsave(&dma_chan_lock, flags);
511 if (dma_chan[lch].dev_id == -1) {
512 printk("omap_dma: trying to free nonallocated DMA channel %d\n",
513 lch);
514 spin_unlock_irqrestore(&dma_chan_lock, flags);
515 return;
516 }
517 dma_chan[lch].dev_id = -1;
518 dma_chan[lch].next_lch = -1;
519 dma_chan[lch].callback = NULL;
520 spin_unlock_irqrestore(&dma_chan_lock, flags);
521
522 if (cpu_class_is_omap1()) {
523 /* Disable all DMA interrupts for the channel. */
524 OMAP_DMA_CICR_REG(lch) = 0;
525 /* Make sure the DMA transfer is stopped. */
526 OMAP_DMA_CCR_REG(lch) = 0;
527 }
528
529 if (cpu_is_omap24xx()) {
530 u32 val;
531 /* Disable interrupts */
532 val = omap_readl(OMAP_DMA4_IRQENABLE_L0);
533 val &= ~(1 << lch);
534 omap_writel(val, OMAP_DMA4_IRQENABLE_L0);
535
536 /* Clear the CSR register and IRQ status register */
537 OMAP_DMA_CSR_REG(lch) = 0x0;
538
539 val = omap_readl(OMAP_DMA4_IRQSTATUS_L0);
540 val |= 1 << lch;
541 omap_writel(val, OMAP_DMA4_IRQSTATUS_L0);
542
543 /* Disable all DMA interrupts for the channel. */
544 OMAP_DMA_CICR_REG(lch) = 0;
545
546 /* Make sure the DMA transfer is stopped. */
547 OMAP_DMA_CCR_REG(lch) = 0;
548 omap_clear_dma(lch);
549 }
550}
551
552/*
553 * Clears any DMA state so the DMA engine is ready to restart with new buffers
554 * through omap_start_dma(). Any buffers in flight are discarded.
555 */
556void omap_clear_dma(int lch)
557{
558 unsigned long flags;
559
560 local_irq_save(flags);
561
562 if (cpu_class_is_omap1()) {
563 int status;
564 OMAP_DMA_CCR_REG(lch) &= ~OMAP_DMA_CCR_EN;
565
566 /* Clear pending interrupts */
567 status = OMAP_DMA_CSR_REG(lch);
568 }
569
570 if (cpu_is_omap24xx()) {
571 int i;
572 u32 lch_base = OMAP24XX_DMA_BASE + lch * 0x60 + 0x80;
573 for (i = 0; i < 0x44; i += 4)
574 omap_writel(0, lch_base + i);
575 }
576
577 local_irq_restore(flags);
578}
579
580void omap_start_dma(int lch)
581{
338 if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) { 582 if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) {
339 int next_lch, cur_lch; 583 int next_lch, cur_lch;
340 char dma_chan_link_map[OMAP_LOGICAL_DMA_CH_COUNT]; 584 char dma_chan_link_map[OMAP_LOGICAL_DMA_CH_COUNT];
@@ -348,31 +592,37 @@ void omap_start_dma(int lch)
348 do { 592 do {
349 next_lch = dma_chan[cur_lch].next_lch; 593 next_lch = dma_chan[cur_lch].next_lch;
350 594
351 /* The loop case: we've been here already */ 595 /* The loop case: we've been here already */
352 if (dma_chan_link_map[cur_lch]) 596 if (dma_chan_link_map[cur_lch])
353 break; 597 break;
354 /* Mark the current channel */ 598 /* Mark the current channel */
355 dma_chan_link_map[cur_lch] = 1; 599 dma_chan_link_map[cur_lch] = 1;
356 600
357 enable_lnk(cur_lch); 601 enable_lnk(cur_lch);
358 init_intr(cur_lch); 602 omap_enable_channel_irq(cur_lch);
359 603
360 cur_lch = next_lch; 604 cur_lch = next_lch;
361 } while (next_lch != -1); 605 } while (next_lch != -1);
606 } else if (cpu_is_omap24xx()) {
607 /* Errata: Need to write lch even if not using chaining */
608 OMAP_DMA_CLNK_CTRL_REG(lch) = lch;
362 } 609 }
363 610
364 init_intr(lch); 611 omap_enable_channel_irq(lch);
612
613 /* Errata: On ES2.0 BUFFERING disable must be set.
614 * This will always fail on ES1.0 */
615 if (cpu_is_omap24xx()) {
616 OMAP_DMA_CCR_REG(lch) |= OMAP_DMA_CCR_EN;
617 }
618
619 OMAP_DMA_CCR_REG(lch) |= OMAP_DMA_CCR_EN;
365 620
366 w = omap_readw(OMAP_DMA_CCR(lch));
367 w |= OMAP_DMA_CCR_EN;
368 omap_writew(w, OMAP_DMA_CCR(lch));
369 dma_chan[lch].flags |= OMAP_DMA_ACTIVE; 621 dma_chan[lch].flags |= OMAP_DMA_ACTIVE;
370} 622}
371 623
372void omap_stop_dma(int lch) 624void omap_stop_dma(int lch)
373{ 625{
374 u16 w;
375
376 if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) { 626 if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) {
377 int next_lch, cur_lch = lch; 627 int next_lch, cur_lch = lch;
378 char dma_chan_link_map[OMAP_LOGICAL_DMA_CH_COUNT]; 628 char dma_chan_link_map[OMAP_LOGICAL_DMA_CH_COUNT];
@@ -393,146 +643,83 @@ void omap_stop_dma(int lch)
393 643
394 return; 644 return;
395 } 645 }
646
396 /* Disable all interrupts on the channel */ 647 /* Disable all interrupts on the channel */
397 omap_writew(0, OMAP_DMA_CICR(lch)); 648 if (cpu_class_is_omap1())
649 OMAP_DMA_CICR_REG(lch) = 0;
398 650
399 w = omap_readw(OMAP_DMA_CCR(lch)); 651 OMAP_DMA_CCR_REG(lch) &= ~OMAP_DMA_CCR_EN;
400 w &= ~OMAP_DMA_CCR_EN;
401 omap_writew(w, OMAP_DMA_CCR(lch));
402 dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE; 652 dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE;
403} 653}
404 654
405void omap_enable_dma_irq(int lch, u16 bits) 655/*
656 * Returns current physical source address for the given DMA channel.
657 * If the channel is running the caller must disable interrupts prior calling
658 * this function and process the returned value before re-enabling interrupt to
659 * prevent races with the interrupt handler. Note that in continuous mode there
660 * is a chance for CSSA_L register overflow inbetween the two reads resulting
661 * in incorrect return value.
662 */
663dma_addr_t omap_get_dma_src_pos(int lch)
406{ 664{
407 dma_chan[lch].enabled_irqs |= bits; 665 dma_addr_t offset;
408}
409 666
410void omap_disable_dma_irq(int lch, u16 bits) 667 if (cpu_class_is_omap1())
411{ 668 offset = (dma_addr_t) (OMAP1_DMA_CSSA_L_REG(lch) |
412 dma_chan[lch].enabled_irqs &= ~bits; 669 (OMAP1_DMA_CSSA_U_REG(lch) << 16));
413}
414 670
415static int dma_handle_ch(int ch) 671 if (cpu_is_omap24xx())
416{ 672 offset = OMAP_DMA_CSAC_REG(lch);
417 u16 csr;
418 673
419 if (enable_1510_mode && ch >= 6) { 674 return offset;
420 csr = dma_chan[ch].saved_csr;
421 dma_chan[ch].saved_csr = 0;
422 } else
423 csr = omap_readw(OMAP_DMA_CSR(ch));
424 if (enable_1510_mode && ch <= 2 && (csr >> 7) != 0) {
425 dma_chan[ch + 6].saved_csr = csr >> 7;
426 csr &= 0x7f;
427 }
428 if ((csr & 0x3f) == 0)
429 return 0;
430 if (unlikely(dma_chan[ch].dev_id == -1)) {
431 printk(KERN_WARNING "Spurious interrupt from DMA channel %d (CSR %04x)\n",
432 ch, csr);
433 return 0;
434 }
435 if (unlikely(csr & OMAP_DMA_TOUT_IRQ))
436 printk(KERN_WARNING "DMA timeout with device %d\n", dma_chan[ch].dev_id);
437 if (unlikely(csr & OMAP_DMA_DROP_IRQ))
438 printk(KERN_WARNING "DMA synchronization event drop occurred with device %d\n",
439 dma_chan[ch].dev_id);
440 if (likely(csr & OMAP_DMA_BLOCK_IRQ))
441 dma_chan[ch].flags &= ~OMAP_DMA_ACTIVE;
442 if (likely(dma_chan[ch].callback != NULL))
443 dma_chan[ch].callback(ch, csr, dma_chan[ch].data);
444 return 1;
445} 675}
446 676
447static irqreturn_t dma_irq_handler(int irq, void *dev_id, struct pt_regs *regs) 677/*
678 * Returns current physical destination address for the given DMA channel.
679 * If the channel is running the caller must disable interrupts prior calling
680 * this function and process the returned value before re-enabling interrupt to
681 * prevent races with the interrupt handler. Note that in continuous mode there
682 * is a chance for CDSA_L register overflow inbetween the two reads resulting
683 * in incorrect return value.
684 */
685dma_addr_t omap_get_dma_dst_pos(int lch)
448{ 686{
449 int ch = ((int) dev_id) - 1; 687 dma_addr_t offset;
450 int handled = 0;
451 688
452 for (;;) { 689 if (cpu_class_is_omap1())
453 int handled_now = 0; 690 offset = (dma_addr_t) (OMAP1_DMA_CDSA_L_REG(lch) |
691 (OMAP1_DMA_CDSA_U_REG(lch) << 16));
454 692
455 handled_now += dma_handle_ch(ch); 693 if (cpu_is_omap24xx())
456 if (enable_1510_mode && dma_chan[ch + 6].saved_csr) 694 offset = OMAP2_DMA_CDSA_REG(lch);
457 handled_now += dma_handle_ch(ch + 6);
458 if (!handled_now)
459 break;
460 handled += handled_now;
461 }
462 695
463 return handled ? IRQ_HANDLED : IRQ_NONE; 696 return offset;
464} 697}
465 698
466int omap_request_dma(int dev_id, const char *dev_name, 699/*
467 void (* callback)(int lch, u16 ch_status, void *data), 700 * Returns current source transfer counting for the given DMA channel.
468 void *data, int *dma_ch_out) 701 * Can be used to monitor the progress of a transfer inside a block.
702 * It must be called with disabled interrupts.
703 */
704int omap_get_dma_src_addr_counter(int lch)
469{ 705{
470 int ch, free_ch = -1; 706 return (dma_addr_t) OMAP_DMA_CSAC_REG(lch);
471 unsigned long flags;
472 struct omap_dma_lch *chan;
473
474 spin_lock_irqsave(&dma_chan_lock, flags);
475 for (ch = 0; ch < dma_chan_count; ch++) {
476 if (free_ch == -1 && dma_chan[ch].dev_id == -1) {
477 free_ch = ch;
478 if (dev_id == 0)
479 break;
480 }
481 }
482 if (free_ch == -1) {
483 spin_unlock_irqrestore(&dma_chan_lock, flags);
484 return -EBUSY;
485 }
486 chan = dma_chan + free_ch;
487 chan->dev_id = dev_id;
488 clear_lch_regs(free_ch);
489 spin_unlock_irqrestore(&dma_chan_lock, flags);
490
491 chan->dev_id = dev_id;
492 chan->dev_name = dev_name;
493 chan->callback = callback;
494 chan->data = data;
495 chan->enabled_irqs = OMAP_DMA_TOUT_IRQ | OMAP_DMA_DROP_IRQ | OMAP_DMA_BLOCK_IRQ;
496
497 if (cpu_is_omap16xx()) {
498 /* If the sync device is set, configure it dynamically. */
499 if (dev_id != 0) {
500 set_gdma_dev(free_ch + 1, dev_id);
501 dev_id = free_ch + 1;
502 }
503 /* Disable the 1510 compatibility mode and set the sync device
504 * id. */
505 omap_writew(dev_id | (1 << 10), OMAP_DMA_CCR(free_ch));
506 } else {
507 omap_writew(dev_id, OMAP_DMA_CCR(free_ch));
508 }
509 *dma_ch_out = free_ch;
510
511 return 0;
512} 707}
513 708
514void omap_free_dma(int ch) 709int omap_dma_running(void)
515{ 710{
516 unsigned long flags; 711 int lch;
517 712
518 spin_lock_irqsave(&dma_chan_lock, flags); 713 /* Check if LCD DMA is running */
519 if (dma_chan[ch].dev_id == -1) { 714 if (cpu_is_omap16xx())
520 printk("omap_dma: trying to free nonallocated DMA channel %d\n", ch); 715 if (omap_readw(OMAP1610_DMA_LCD_CCR) & OMAP_DMA_CCR_EN)
521 spin_unlock_irqrestore(&dma_chan_lock, flags); 716 return 1;
522 return;
523 }
524 dma_chan[ch].dev_id = -1;
525 spin_unlock_irqrestore(&dma_chan_lock, flags);
526 717
527 /* Disable all DMA interrupts for the channel. */ 718 for (lch = 0; lch < dma_chan_count; lch++)
528 omap_writew(0, OMAP_DMA_CICR(ch)); 719 if (OMAP_DMA_CCR_REG(lch) & OMAP_DMA_CCR_EN)
529 /* Make sure the DMA transfer is stopped. */ 720 return 1;
530 omap_writew(0, OMAP_DMA_CCR(ch));
531}
532 721
533int omap_dma_in_1510_mode(void) 722 return 0;
534{
535 return enable_1510_mode;
536} 723}
537 724
538/* 725/*
@@ -550,7 +737,8 @@ void omap_dma_link_lch (int lch_head, int lch_queue)
550 737
551 if ((dma_chan[lch_head].dev_id == -1) || 738 if ((dma_chan[lch_head].dev_id == -1) ||
552 (dma_chan[lch_queue].dev_id == -1)) { 739 (dma_chan[lch_queue].dev_id == -1)) {
553 printk(KERN_ERR "omap_dma: trying to link non requested channels\n"); 740 printk(KERN_ERR "omap_dma: trying to link "
741 "non requested channels\n");
554 dump_stack(); 742 dump_stack();
555 } 743 }
556 744
@@ -570,20 +758,149 @@ void omap_dma_unlink_lch (int lch_head, int lch_queue)
570 758
571 if (dma_chan[lch_head].next_lch != lch_queue || 759 if (dma_chan[lch_head].next_lch != lch_queue ||
572 dma_chan[lch_head].next_lch == -1) { 760 dma_chan[lch_head].next_lch == -1) {
573 printk(KERN_ERR "omap_dma: trying to unlink non linked channels\n"); 761 printk(KERN_ERR "omap_dma: trying to unlink "
762 "non linked channels\n");
574 dump_stack(); 763 dump_stack();
575 } 764 }
576 765
577 766
578 if ((dma_chan[lch_head].flags & OMAP_DMA_ACTIVE) || 767 if ((dma_chan[lch_head].flags & OMAP_DMA_ACTIVE) ||
579 (dma_chan[lch_head].flags & OMAP_DMA_ACTIVE)) { 768 (dma_chan[lch_head].flags & OMAP_DMA_ACTIVE)) {
580 printk(KERN_ERR "omap_dma: You need to stop the DMA channels before unlinking\n"); 769 printk(KERN_ERR "omap_dma: You need to stop the DMA channels "
770 "before unlinking\n");
581 dump_stack(); 771 dump_stack();
582 } 772 }
583 773
584 dma_chan[lch_head].next_lch = -1; 774 dma_chan[lch_head].next_lch = -1;
585} 775}
586 776
777/*----------------------------------------------------------------------------*/
778
779#ifdef CONFIG_ARCH_OMAP1
780
781static int omap1_dma_handle_ch(int ch)
782{
783 u16 csr;
784
785 if (enable_1510_mode && ch >= 6) {
786 csr = dma_chan[ch].saved_csr;
787 dma_chan[ch].saved_csr = 0;
788 } else
789 csr = OMAP_DMA_CSR_REG(ch);
790 if (enable_1510_mode && ch <= 2 && (csr >> 7) != 0) {
791 dma_chan[ch + 6].saved_csr = csr >> 7;
792 csr &= 0x7f;
793 }
794 if ((csr & 0x3f) == 0)
795 return 0;
796 if (unlikely(dma_chan[ch].dev_id == -1)) {
797 printk(KERN_WARNING "Spurious interrupt from DMA channel "
798 "%d (CSR %04x)\n", ch, csr);
799 return 0;
800 }
801 if (unlikely(csr & OMAP_DMA_TOUT_IRQ))
802 printk(KERN_WARNING "DMA timeout with device %d\n",
803 dma_chan[ch].dev_id);
804 if (unlikely(csr & OMAP_DMA_DROP_IRQ))
805 printk(KERN_WARNING "DMA synchronization event drop occurred "
806 "with device %d\n", dma_chan[ch].dev_id);
807 if (likely(csr & OMAP_DMA_BLOCK_IRQ))
808 dma_chan[ch].flags &= ~OMAP_DMA_ACTIVE;
809 if (likely(dma_chan[ch].callback != NULL))
810 dma_chan[ch].callback(ch, csr, dma_chan[ch].data);
811 return 1;
812}
813
814static irqreturn_t omap1_dma_irq_handler(int irq, void *dev_id,
815 struct pt_regs *regs)
816{
817 int ch = ((int) dev_id) - 1;
818 int handled = 0;
819
820 for (;;) {
821 int handled_now = 0;
822
823 handled_now += omap1_dma_handle_ch(ch);
824 if (enable_1510_mode && dma_chan[ch + 6].saved_csr)
825 handled_now += omap1_dma_handle_ch(ch + 6);
826 if (!handled_now)
827 break;
828 handled += handled_now;
829 }
830
831 return handled ? IRQ_HANDLED : IRQ_NONE;
832}
833
834#else
835#define omap1_dma_irq_handler NULL
836#endif
837
838#ifdef CONFIG_ARCH_OMAP2
839
840static int omap2_dma_handle_ch(int ch)
841{
842 u32 status = OMAP_DMA_CSR_REG(ch);
843 u32 val;
844
845 if (!status)
846 return 0;
847 if (unlikely(dma_chan[ch].dev_id == -1))
848 return 0;
849 /* REVISIT: According to 24xx TRM, there's no TOUT_IE */
850 if (unlikely(status & OMAP_DMA_TOUT_IRQ))
851 printk(KERN_INFO "DMA timeout with device %d\n",
852 dma_chan[ch].dev_id);
853 if (unlikely(status & OMAP_DMA_DROP_IRQ))
854 printk(KERN_INFO
855 "DMA synchronization event drop occurred with device "
856 "%d\n", dma_chan[ch].dev_id);
857
858 if (unlikely(status & OMAP2_DMA_TRANS_ERR_IRQ))
859 printk(KERN_INFO "DMA transaction error with device %d\n",
860 dma_chan[ch].dev_id);
861
862 OMAP_DMA_CSR_REG(ch) = 0x20;
863
864 val = omap_readl(OMAP_DMA4_IRQSTATUS_L0);
865 /* ch in this function is from 0-31 while in register it is 1-32 */
866 val = 1 << (ch);
867 omap_writel(val, OMAP_DMA4_IRQSTATUS_L0);
868
869 if (likely(dma_chan[ch].callback != NULL))
870 dma_chan[ch].callback(ch, status, dma_chan[ch].data);
871
872 return 0;
873}
874
875/* STATUS register count is from 1-32 while our is 0-31 */
876static irqreturn_t omap2_dma_irq_handler(int irq, void *dev_id,
877 struct pt_regs *regs)
878{
879 u32 val;
880 int i;
881
882 val = omap_readl(OMAP_DMA4_IRQSTATUS_L0);
883
884 for (i = 1; i <= OMAP_LOGICAL_DMA_CH_COUNT; i++) {
885 int active = val & (1 << (i - 1));
886 if (active)
887 omap2_dma_handle_ch(i - 1);
888 }
889
890 return IRQ_HANDLED;
891}
892
893static struct irqaction omap24xx_dma_irq = {
894 .name = "DMA",
895 .handler = omap2_dma_irq_handler,
896 .flags = SA_INTERRUPT
897};
898
899#else
900static struct irqaction omap24xx_dma_irq;
901#endif
902
903/*----------------------------------------------------------------------------*/
587 904
588static struct lcd_dma_info { 905static struct lcd_dma_info {
589 spinlock_t lock; 906 spinlock_t lock;
@@ -795,7 +1112,7 @@ static void set_b1_regs(void)
795 /* Always set the source port as SDRAM for now*/ 1112 /* Always set the source port as SDRAM for now*/
796 w &= ~(0x03 << 6); 1113 w &= ~(0x03 << 6);
797 if (lcd_dma.callback != NULL) 1114 if (lcd_dma.callback != NULL)
798 w |= 1 << 1; /* Block interrupt enable */ 1115 w |= 1 << 1; /* Block interrupt enable */
799 else 1116 else
800 w &= ~(1 << 1); 1117 w &= ~(1 << 1);
801 omap_writew(w, OMAP1610_DMA_LCD_CTRL); 1118 omap_writew(w, OMAP1610_DMA_LCD_CTRL);
@@ -814,7 +1131,8 @@ static void set_b1_regs(void)
814 omap_writew(fi, OMAP1610_DMA_LCD_SRC_FI_B1_L); 1131 omap_writew(fi, OMAP1610_DMA_LCD_SRC_FI_B1_L);
815} 1132}
816 1133
817static irqreturn_t lcd_dma_irq_handler(int irq, void *dev_id, struct pt_regs *regs) 1134static irqreturn_t lcd_dma_irq_handler(int irq, void *dev_id,
1135 struct pt_regs *regs)
818{ 1136{
819 u16 w; 1137 u16 w;
820 1138
@@ -870,7 +1188,8 @@ void omap_free_lcd_dma(void)
870 return; 1188 return;
871 } 1189 }
872 if (!enable_1510_mode) 1190 if (!enable_1510_mode)
873 omap_writew(omap_readw(OMAP1610_DMA_LCD_CCR) & ~1, OMAP1610_DMA_LCD_CCR); 1191 omap_writew(omap_readw(OMAP1610_DMA_LCD_CCR) & ~1,
1192 OMAP1610_DMA_LCD_CCR);
874 lcd_dma.reserved = 0; 1193 lcd_dma.reserved = 0;
875 spin_unlock(&lcd_dma.lock); 1194 spin_unlock(&lcd_dma.lock);
876} 1195}
@@ -939,93 +1258,24 @@ void omap_stop_lcd_dma(void)
939 omap_writew(w, OMAP1610_DMA_LCD_CTRL); 1258 omap_writew(w, OMAP1610_DMA_LCD_CTRL);
940} 1259}
941 1260
942/* 1261/*----------------------------------------------------------------------------*/
943 * Clears any DMA state so the DMA engine is ready to restart with new buffers
944 * through omap_start_dma(). Any buffers in flight are discarded.
945 */
946void omap_clear_dma(int lch)
947{
948 unsigned long flags;
949 int status;
950
951 local_irq_save(flags);
952 omap_writew(omap_readw(OMAP_DMA_CCR(lch)) & ~OMAP_DMA_CCR_EN,
953 OMAP_DMA_CCR(lch));
954 status = OMAP_DMA_CSR(lch); /* clear pending interrupts */
955 local_irq_restore(flags);
956}
957
958/*
959 * Returns current physical source address for the given DMA channel.
960 * If the channel is running the caller must disable interrupts prior calling
961 * this function and process the returned value before re-enabling interrupt to
962 * prevent races with the interrupt handler. Note that in continuous mode there
963 * is a chance for CSSA_L register overflow inbetween the two reads resulting
964 * in incorrect return value.
965 */
966dma_addr_t omap_get_dma_src_pos(int lch)
967{
968 return (dma_addr_t) (omap_readw(OMAP_DMA_CSSA_L(lch)) |
969 (omap_readw(OMAP_DMA_CSSA_U(lch)) << 16));
970}
971
972/*
973 * Returns current physical destination address for the given DMA channel.
974 * If the channel is running the caller must disable interrupts prior calling
975 * this function and process the returned value before re-enabling interrupt to
976 * prevent races with the interrupt handler. Note that in continuous mode there
977 * is a chance for CDSA_L register overflow inbetween the two reads resulting
978 * in incorrect return value.
979 */
980dma_addr_t omap_get_dma_dst_pos(int lch)
981{
982 return (dma_addr_t) (omap_readw(OMAP_DMA_CDSA_L(lch)) |
983 (omap_readw(OMAP_DMA_CDSA_U(lch)) << 16));
984}
985
986/*
987 * Returns current source transfer counting for the given DMA channel.
988 * Can be used to monitor the progress of a transfer inside a block.
989 * It must be called with disabled interrupts.
990 */
991int omap_get_dma_src_addr_counter(int lch)
992{
993 return (dma_addr_t) omap_readw(OMAP_DMA_CSAC(lch));
994}
995
996int omap_dma_running(void)
997{
998 int lch;
999
1000 /* Check if LCD DMA is running */
1001 if (cpu_is_omap16xx())
1002 if (omap_readw(OMAP1610_DMA_LCD_CCR) & OMAP_DMA_CCR_EN)
1003 return 1;
1004
1005 for (lch = 0; lch < dma_chan_count; lch++) {
1006 u16 w;
1007
1008 w = omap_readw(OMAP_DMA_CCR(lch));
1009 if (w & OMAP_DMA_CCR_EN)
1010 return 1;
1011 }
1012 return 0;
1013}
1014 1262
1015static int __init omap_init_dma(void) 1263static int __init omap_init_dma(void)
1016{ 1264{
1017 int ch, r; 1265 int ch, r;
1018 1266
1019 if (cpu_is_omap1510()) { 1267 if (cpu_is_omap15xx()) {
1020 printk(KERN_INFO "DMA support for OMAP1510 initialized\n"); 1268 printk(KERN_INFO "DMA support for OMAP15xx initialized\n");
1021 dma_chan_count = 9; 1269 dma_chan_count = 9;
1022 enable_1510_mode = 1; 1270 enable_1510_mode = 1;
1023 } else if (cpu_is_omap16xx() || cpu_is_omap730()) { 1271 } else if (cpu_is_omap16xx() || cpu_is_omap730()) {
1024 printk(KERN_INFO "OMAP DMA hardware version %d\n", 1272 printk(KERN_INFO "OMAP DMA hardware version %d\n",
1025 omap_readw(OMAP_DMA_HW_ID)); 1273 omap_readw(OMAP_DMA_HW_ID));
1026 printk(KERN_INFO "DMA capabilities: %08x:%08x:%04x:%04x:%04x\n", 1274 printk(KERN_INFO "DMA capabilities: %08x:%08x:%04x:%04x:%04x\n",
1027 (omap_readw(OMAP_DMA_CAPS_0_U) << 16) | omap_readw(OMAP_DMA_CAPS_0_L), 1275 (omap_readw(OMAP_DMA_CAPS_0_U) << 16) |
1028 (omap_readw(OMAP_DMA_CAPS_1_U) << 16) | omap_readw(OMAP_DMA_CAPS_1_L), 1276 omap_readw(OMAP_DMA_CAPS_0_L),
1277 (omap_readw(OMAP_DMA_CAPS_1_U) << 16) |
1278 omap_readw(OMAP_DMA_CAPS_1_L),
1029 omap_readw(OMAP_DMA_CAPS_2), omap_readw(OMAP_DMA_CAPS_3), 1279 omap_readw(OMAP_DMA_CAPS_2), omap_readw(OMAP_DMA_CAPS_3),
1030 omap_readw(OMAP_DMA_CAPS_4)); 1280 omap_readw(OMAP_DMA_CAPS_4));
1031 if (!enable_1510_mode) { 1281 if (!enable_1510_mode) {
@@ -1038,6 +1288,11 @@ static int __init omap_init_dma(void)
1038 dma_chan_count = 16; 1288 dma_chan_count = 16;
1039 } else 1289 } else
1040 dma_chan_count = 9; 1290 dma_chan_count = 9;
1291 } else if (cpu_is_omap24xx()) {
1292 u8 revision = omap_readb(OMAP_DMA4_REVISION);
1293 printk(KERN_INFO "OMAP DMA hardware revision %d.%d\n",
1294 revision >> 4, revision & 0xf);
1295 dma_chan_count = OMAP_LOGICAL_DMA_CH_COUNT;
1041 } else { 1296 } else {
1042 dma_chan_count = 0; 1297 dma_chan_count = 0;
1043 return 0; 1298 return 0;
@@ -1049,41 +1304,56 @@ static int __init omap_init_dma(void)
1049 memset(&dma_chan, 0, sizeof(dma_chan)); 1304 memset(&dma_chan, 0, sizeof(dma_chan));
1050 1305
1051 for (ch = 0; ch < dma_chan_count; ch++) { 1306 for (ch = 0; ch < dma_chan_count; ch++) {
1307 omap_clear_dma(ch);
1052 dma_chan[ch].dev_id = -1; 1308 dma_chan[ch].dev_id = -1;
1053 dma_chan[ch].next_lch = -1; 1309 dma_chan[ch].next_lch = -1;
1054 1310
1055 if (ch >= 6 && enable_1510_mode) 1311 if (ch >= 6 && enable_1510_mode)
1056 continue; 1312 continue;
1057 1313
1058 /* request_irq() doesn't like dev_id (ie. ch) being zero, 1314 if (cpu_class_is_omap1()) {
1059 * so we have to kludge around this. */ 1315 /* request_irq() doesn't like dev_id (ie. ch) being
1060 r = request_irq(dma_irq[ch], dma_irq_handler, 0, "DMA", 1316 * zero, so we have to kludge around this. */
1061 (void *) (ch + 1)); 1317 r = request_irq(omap1_dma_irq[ch],
1318 omap1_dma_irq_handler, 0, "DMA",
1319 (void *) (ch + 1));
1320 if (r != 0) {
1321 int i;
1322
1323 printk(KERN_ERR "unable to request IRQ %d "
1324 "for DMA (error %d)\n",
1325 omap1_dma_irq[ch], r);
1326 for (i = 0; i < ch; i++)
1327 free_irq(omap1_dma_irq[i],
1328 (void *) (i + 1));
1329 return r;
1330 }
1331 }
1332 }
1333
1334 if (cpu_is_omap24xx())
1335 setup_irq(INT_24XX_SDMA_IRQ0, &omap24xx_dma_irq);
1336
1337 /* FIXME: Update LCD DMA to work on 24xx */
1338 if (cpu_class_is_omap1()) {
1339 r = request_irq(INT_DMA_LCD, lcd_dma_irq_handler, 0,
1340 "LCD DMA", NULL);
1062 if (r != 0) { 1341 if (r != 0) {
1063 int i; 1342 int i;
1064 1343
1065 printk(KERN_ERR "unable to request IRQ %d for DMA (error %d)\n", 1344 printk(KERN_ERR "unable to request IRQ for LCD DMA "
1066 dma_irq[ch], r); 1345 "(error %d)\n", r);
1067 for (i = 0; i < ch; i++) 1346 for (i = 0; i < dma_chan_count; i++)
1068 free_irq(dma_irq[i], (void *) (i + 1)); 1347 free_irq(omap1_dma_irq[i], (void *) (i + 1));
1069 return r; 1348 return r;
1070 } 1349 }
1071 } 1350 }
1072 r = request_irq(INT_DMA_LCD, lcd_dma_irq_handler, 0, "LCD DMA", NULL);
1073 if (r != 0) {
1074 int i;
1075 1351
1076 printk(KERN_ERR "unable to request IRQ for LCD DMA (error %d)\n", r);
1077 for (i = 0; i < dma_chan_count; i++)
1078 free_irq(dma_irq[i], (void *) (i + 1));
1079 return r;
1080 }
1081 return 0; 1352 return 0;
1082} 1353}
1083 1354
1084arch_initcall(omap_init_dma); 1355arch_initcall(omap_init_dma);
1085 1356
1086
1087EXPORT_SYMBOL(omap_get_dma_src_pos); 1357EXPORT_SYMBOL(omap_get_dma_src_pos);
1088EXPORT_SYMBOL(omap_get_dma_dst_pos); 1358EXPORT_SYMBOL(omap_get_dma_dst_pos);
1089EXPORT_SYMBOL(omap_get_dma_src_addr_counter); 1359EXPORT_SYMBOL(omap_get_dma_src_addr_counter);
@@ -1109,6 +1379,8 @@ EXPORT_SYMBOL(omap_set_dma_dest_index);
1109EXPORT_SYMBOL(omap_set_dma_dest_data_pack); 1379EXPORT_SYMBOL(omap_set_dma_dest_data_pack);
1110EXPORT_SYMBOL(omap_set_dma_dest_burst_mode); 1380EXPORT_SYMBOL(omap_set_dma_dest_burst_mode);
1111 1381
1382EXPORT_SYMBOL(omap_set_dma_params);
1383
1112EXPORT_SYMBOL(omap_dma_link_lch); 1384EXPORT_SYMBOL(omap_dma_link_lch);
1113EXPORT_SYMBOL(omap_dma_unlink_lch); 1385EXPORT_SYMBOL(omap_dma_unlink_lch);
1114 1386
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 55059a24ad41..76f721d85137 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -140,7 +140,7 @@ static struct gpio_bank gpio_bank_1610[5] = {
140}; 140};
141#endif 141#endif
142 142
143#ifdef CONFIG_ARCH_OMAP1510 143#ifdef CONFIG_ARCH_OMAP15XX
144static struct gpio_bank gpio_bank_1510[2] = { 144static struct gpio_bank gpio_bank_1510[2] = {
145 { OMAP_MPUIO_BASE, INT_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO }, 145 { OMAP_MPUIO_BASE, INT_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO },
146 { OMAP1510_GPIO_BASE, INT_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_1510 } 146 { OMAP1510_GPIO_BASE, INT_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_1510 }
@@ -173,7 +173,7 @@ static int gpio_bank_count;
173 173
174static inline struct gpio_bank *get_gpio_bank(int gpio) 174static inline struct gpio_bank *get_gpio_bank(int gpio)
175{ 175{
176#ifdef CONFIG_ARCH_OMAP1510 176#ifdef CONFIG_ARCH_OMAP15XX
177 if (cpu_is_omap1510()) { 177 if (cpu_is_omap1510()) {
178 if (OMAP_GPIO_IS_MPUIO(gpio)) 178 if (OMAP_GPIO_IS_MPUIO(gpio))
179 return &gpio_bank[0]; 179 return &gpio_bank[0];
@@ -222,7 +222,7 @@ static inline int gpio_valid(int gpio)
222 return -1; 222 return -1;
223 return 0; 223 return 0;
224 } 224 }
225#ifdef CONFIG_ARCH_OMAP1510 225#ifdef CONFIG_ARCH_OMAP15XX
226 if (cpu_is_omap1510() && gpio < 16) 226 if (cpu_is_omap1510() && gpio < 16)
227 return 0; 227 return 0;
228#endif 228#endif
@@ -654,7 +654,7 @@ int omap_request_gpio(int gpio)
654 /* Set trigger to none. You need to enable the trigger after request_irq */ 654 /* Set trigger to none. You need to enable the trigger after request_irq */
655 _set_gpio_triggering(bank, get_gpio_index(gpio), IRQT_NOEDGE); 655 _set_gpio_triggering(bank, get_gpio_index(gpio), IRQT_NOEDGE);
656 656
657#ifdef CONFIG_ARCH_OMAP1510 657#ifdef CONFIG_ARCH_OMAP15XX
658 if (bank->method == METHOD_GPIO_1510) { 658 if (bank->method == METHOD_GPIO_1510) {
659 void __iomem *reg; 659 void __iomem *reg;
660 660
@@ -739,7 +739,7 @@ static void gpio_irq_handler(unsigned int irq, struct irqdesc *desc,
739 bank = (struct gpio_bank *) desc->data; 739 bank = (struct gpio_bank *) desc->data;
740 if (bank->method == METHOD_MPUIO) 740 if (bank->method == METHOD_MPUIO)
741 isr_reg = bank->base + OMAP_MPUIO_GPIO_INT; 741 isr_reg = bank->base + OMAP_MPUIO_GPIO_INT;
742#ifdef CONFIG_ARCH_OMAP1510 742#ifdef CONFIG_ARCH_OMAP15XX
743 if (bank->method == METHOD_GPIO_1510) 743 if (bank->method == METHOD_GPIO_1510)
744 isr_reg = bank->base + OMAP1510_GPIO_INT_STATUS; 744 isr_reg = bank->base + OMAP1510_GPIO_INT_STATUS;
745#endif 745#endif
@@ -774,7 +774,7 @@ static void gpio_irq_handler(unsigned int irq, struct irqdesc *desc,
774 d = irq_desc + gpio_irq; 774 d = irq_desc + gpio_irq;
775 desc_handle_irq(gpio_irq, d, regs); 775 desc_handle_irq(gpio_irq, d, regs);
776 } 776 }
777 } 777 }
778} 778}
779 779
780static void gpio_ack_irq(unsigned int irq) 780static void gpio_ack_irq(unsigned int irq)
@@ -837,8 +837,9 @@ static struct irqchip mpuio_irq_chip = {
837 .unmask = mpuio_unmask_irq 837 .unmask = mpuio_unmask_irq
838}; 838};
839 839
840static int initialized = 0; 840static int initialized;
841static struct clk * gpio_ck = NULL; 841static struct clk * gpio_ick;
842static struct clk * gpio_fck;
842 843
843static int __init _omap_gpio_init(void) 844static int __init _omap_gpio_init(void)
844{ 845{
@@ -848,14 +849,26 @@ static int __init _omap_gpio_init(void)
848 initialized = 1; 849 initialized = 1;
849 850
850 if (cpu_is_omap1510()) { 851 if (cpu_is_omap1510()) {
851 gpio_ck = clk_get(NULL, "arm_gpio_ck"); 852 gpio_ick = clk_get(NULL, "arm_gpio_ck");
852 if (IS_ERR(gpio_ck)) 853 if (IS_ERR(gpio_ick))
853 printk("Could not get arm_gpio_ck\n"); 854 printk("Could not get arm_gpio_ck\n");
854 else 855 else
855 clk_use(gpio_ck); 856 clk_use(gpio_ick);
857 }
858 if (cpu_is_omap24xx()) {
859 gpio_ick = clk_get(NULL, "gpios_ick");
860 if (IS_ERR(gpio_ick))
861 printk("Could not get gpios_ick\n");
862 else
863 clk_use(gpio_ick);
864 gpio_fck = clk_get(NULL, "gpios_fck");
865 if (IS_ERR(gpio_ick))
866 printk("Could not get gpios_fck\n");
867 else
868 clk_use(gpio_fck);
856 } 869 }
857 870
858#ifdef CONFIG_ARCH_OMAP1510 871#ifdef CONFIG_ARCH_OMAP15XX
859 if (cpu_is_omap1510()) { 872 if (cpu_is_omap1510()) {
860 printk(KERN_INFO "OMAP1510 GPIO hardware\n"); 873 printk(KERN_INFO "OMAP1510 GPIO hardware\n");
861 gpio_bank_count = 2; 874 gpio_bank_count = 2;
@@ -901,7 +914,7 @@ static int __init _omap_gpio_init(void)
901 if (bank->method == METHOD_MPUIO) { 914 if (bank->method == METHOD_MPUIO) {
902 omap_writew(0xFFFF, OMAP_MPUIO_BASE + OMAP_MPUIO_GPIO_MASKIT); 915 omap_writew(0xFFFF, OMAP_MPUIO_BASE + OMAP_MPUIO_GPIO_MASKIT);
903 } 916 }
904#ifdef CONFIG_ARCH_OMAP1510 917#ifdef CONFIG_ARCH_OMAP15XX
905 if (bank->method == METHOD_GPIO_1510) { 918 if (bank->method == METHOD_GPIO_1510) {
906 __raw_writew(0xffff, bank->base + OMAP1510_GPIO_INT_MASK); 919 __raw_writew(0xffff, bank->base + OMAP1510_GPIO_INT_MASK);
907 __raw_writew(0x0000, bank->base + OMAP1510_GPIO_INT_STATUS); 920 __raw_writew(0x0000, bank->base + OMAP1510_GPIO_INT_STATUS);
@@ -1038,6 +1051,7 @@ static struct sys_device omap_gpio_device = {
1038 1051
1039/* 1052/*
1040 * This may get called early from board specific init 1053 * This may get called early from board specific init
1054 * for boards that have interrupts routed via FPGA.
1041 */ 1055 */
1042int omap_gpio_init(void) 1056int omap_gpio_init(void)
1043{ 1057{
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index 9c9b7df3faf6..ea9475c86656 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -491,17 +491,20 @@ int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer, unsigned int leng
491 omap_set_dma_transfer_params(mcbsp[id].dma_tx_lch, 491 omap_set_dma_transfer_params(mcbsp[id].dma_tx_lch,
492 OMAP_DMA_DATA_TYPE_S16, 492 OMAP_DMA_DATA_TYPE_S16,
493 length >> 1, 1, 493 length >> 1, 1,
494 OMAP_DMA_SYNC_ELEMENT); 494 OMAP_DMA_SYNC_ELEMENT,
495 0, 0);
495 496
496 omap_set_dma_dest_params(mcbsp[id].dma_tx_lch, 497 omap_set_dma_dest_params(mcbsp[id].dma_tx_lch,
497 OMAP_DMA_PORT_TIPB, 498 OMAP_DMA_PORT_TIPB,
498 OMAP_DMA_AMODE_CONSTANT, 499 OMAP_DMA_AMODE_CONSTANT,
499 mcbsp[id].io_base + OMAP_MCBSP_REG_DXR1); 500 mcbsp[id].io_base + OMAP_MCBSP_REG_DXR1,
501 0, 0);
500 502
501 omap_set_dma_src_params(mcbsp[id].dma_tx_lch, 503 omap_set_dma_src_params(mcbsp[id].dma_tx_lch,
502 OMAP_DMA_PORT_EMIFF, 504 OMAP_DMA_PORT_EMIFF,
503 OMAP_DMA_AMODE_POST_INC, 505 OMAP_DMA_AMODE_POST_INC,
504 buffer); 506 buffer,
507 0, 0);
505 508
506 omap_start_dma(mcbsp[id].dma_tx_lch); 509 omap_start_dma(mcbsp[id].dma_tx_lch);
507 wait_for_completion(&(mcbsp[id].tx_dma_completion)); 510 wait_for_completion(&(mcbsp[id].tx_dma_completion));
@@ -531,17 +534,20 @@ int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, unsigned int leng
531 omap_set_dma_transfer_params(mcbsp[id].dma_rx_lch, 534 omap_set_dma_transfer_params(mcbsp[id].dma_rx_lch,
532 OMAP_DMA_DATA_TYPE_S16, 535 OMAP_DMA_DATA_TYPE_S16,
533 length >> 1, 1, 536 length >> 1, 1,
534 OMAP_DMA_SYNC_ELEMENT); 537 OMAP_DMA_SYNC_ELEMENT,
538 0, 0);
535 539
536 omap_set_dma_src_params(mcbsp[id].dma_rx_lch, 540 omap_set_dma_src_params(mcbsp[id].dma_rx_lch,
537 OMAP_DMA_PORT_TIPB, 541 OMAP_DMA_PORT_TIPB,
538 OMAP_DMA_AMODE_CONSTANT, 542 OMAP_DMA_AMODE_CONSTANT,
539 mcbsp[id].io_base + OMAP_MCBSP_REG_DRR1); 543 mcbsp[id].io_base + OMAP_MCBSP_REG_DRR1,
544 0, 0);
540 545
541 omap_set_dma_dest_params(mcbsp[id].dma_rx_lch, 546 omap_set_dma_dest_params(mcbsp[id].dma_rx_lch,
542 OMAP_DMA_PORT_EMIFF, 547 OMAP_DMA_PORT_EMIFF,
543 OMAP_DMA_AMODE_POST_INC, 548 OMAP_DMA_AMODE_POST_INC,
544 buffer); 549 buffer,
550 0, 0);
545 551
546 omap_start_dma(mcbsp[id].dma_rx_lch); 552 omap_start_dma(mcbsp[id].dma_rx_lch);
547 wait_for_completion(&(mcbsp[id].rx_dma_completion)); 553 wait_for_completion(&(mcbsp[id].rx_dma_completion));
@@ -643,7 +649,7 @@ static const struct omap_mcbsp_info mcbsp_730[] = {
643}; 649};
644#endif 650#endif
645 651
646#ifdef CONFIG_ARCH_OMAP1510 652#ifdef CONFIG_ARCH_OMAP15XX
647static const struct omap_mcbsp_info mcbsp_1510[] = { 653static const struct omap_mcbsp_info mcbsp_1510[] = {
648 [0] = { .virt_base = OMAP1510_MCBSP1_BASE, 654 [0] = { .virt_base = OMAP1510_MCBSP1_BASE,
649 .dma_rx_sync = OMAP_DMA_MCBSP1_RX, 655 .dma_rx_sync = OMAP_DMA_MCBSP1_RX,
@@ -712,7 +718,7 @@ static int __init omap_mcbsp_init(void)
712 mcbsp_count = ARRAY_SIZE(mcbsp_730); 718 mcbsp_count = ARRAY_SIZE(mcbsp_730);
713 } 719 }
714#endif 720#endif
715#ifdef CONFIG_ARCH_OMAP1510 721#ifdef CONFIG_ARCH_OMAP15XX
716 if (cpu_is_omap1510()) { 722 if (cpu_is_omap1510()) {
717 mcbsp_info = mcbsp_1510; 723 mcbsp_info = mcbsp_1510;
718 mcbsp_count = ARRAY_SIZE(mcbsp_1510); 724 mcbsp_count = ARRAY_SIZE(mcbsp_1510);
diff --git a/arch/arm/plat-omap/mux.c b/arch/arm/plat-omap/mux.c
index 64482040f89e..8c1c016aa689 100644
--- a/arch/arm/plat-omap/mux.c
+++ b/arch/arm/plat-omap/mux.c
@@ -3,7 +3,7 @@
3 * 3 *
4 * Utility to set the Omap MUX and PULL_DWN registers from a table in mux.h 4 * Utility to set the Omap MUX and PULL_DWN registers from a table in mux.h
5 * 5 *
6 * Copyright (C) 2003 Nokia Corporation 6 * Copyright (C) 2003 - 2005 Nokia Corporation
7 * 7 *
8 * Written by Tony Lindgren <tony.lindgren@nokia.com> 8 * Written by Tony Lindgren <tony.lindgren@nokia.com>
9 * 9 *
@@ -25,38 +25,74 @@
25#include <linux/config.h> 25#include <linux/config.h>
26#include <linux/module.h> 26#include <linux/module.h>
27#include <linux/init.h> 27#include <linux/init.h>
28#include <linux/kernel.h>
28#include <asm/system.h> 29#include <asm/system.h>
29#include <asm/io.h> 30#include <asm/io.h>
30#include <linux/spinlock.h> 31#include <linux/spinlock.h>
31
32#define __MUX_C__
33#include <asm/arch/mux.h> 32#include <asm/arch/mux.h>
34 33
35#ifdef CONFIG_OMAP_MUX 34#ifdef CONFIG_OMAP_MUX
36 35
36#define OMAP24XX_L4_BASE 0x48000000
37#define OMAP24XX_PULL_ENA (1 << 3)
38#define OMAP24XX_PULL_UP (1 << 4)
39
40static struct pin_config * pin_table;
41static unsigned long pin_table_sz;
42
43extern struct pin_config * omap730_pins;
44extern struct pin_config * omap1xxx_pins;
45extern struct pin_config * omap24xx_pins;
46
47int __init omap_mux_register(struct pin_config * pins, unsigned long size)
48{
49 pin_table = pins;
50 pin_table_sz = size;
51
52 return 0;
53}
54
37/* 55/*
38 * Sets the Omap MUX and PULL_DWN registers based on the table 56 * Sets the Omap MUX and PULL_DWN registers based on the table
39 */ 57 */
40int __init_or_module 58int __init_or_module omap_cfg_reg(const unsigned long index)
41omap_cfg_reg(const reg_cfg_t reg_cfg)
42{ 59{
43 static DEFINE_SPINLOCK(mux_spin_lock); 60 static DEFINE_SPINLOCK(mux_spin_lock);
44 61
45 unsigned long flags; 62 unsigned long flags;
46 reg_cfg_set *cfg; 63 struct pin_config *cfg;
47 unsigned int reg_orig = 0, reg = 0, pu_pd_orig = 0, pu_pd = 0, 64 unsigned int reg_orig = 0, reg = 0, pu_pd_orig = 0, pu_pd = 0,
48 pull_orig = 0, pull = 0; 65 pull_orig = 0, pull = 0;
49 unsigned int mask, warn = 0; 66 unsigned int mask, warn = 0;
50 67
51 if (cpu_is_omap7xx()) 68 if (!pin_table)
52 return 0; 69 BUG();
53 70
54 if (reg_cfg > ARRAY_SIZE(reg_cfg_table)) { 71 if (index >= pin_table_sz) {
55 printk(KERN_ERR "MUX: reg_cfg %d\n", reg_cfg); 72 printk(KERN_ERR "Invalid pin mux index: %lu (%lu)\n",
56 return -EINVAL; 73 index, pin_table_sz);
74 dump_stack();
75 return -ENODEV;
57 } 76 }
58 77
59 cfg = (reg_cfg_set *)&reg_cfg_table[reg_cfg]; 78 cfg = (struct pin_config *)&pin_table[index];
79 if (cpu_is_omap24xx()) {
80 u8 reg = 0;
81
82 reg |= cfg->mask & 0x7;
83 if (cfg->pull_val)
84 reg |= OMAP24XX_PULL_ENA;
85 if(cfg->pu_pd_val)
86 reg |= OMAP24XX_PULL_UP;
87#ifdef CONFIG_OMAP_MUX_DEBUG
88 printk("Muxing %s (0x%08x): 0x%02x -> 0x%02x\n",
89 cfg->name, OMAP24XX_L4_BASE + cfg->mux_reg,
90 omap_readb(OMAP24XX_L4_BASE + cfg->mux_reg), reg);
91#endif
92 omap_writeb(reg, OMAP24XX_L4_BASE + cfg->mux_reg);
93
94 return 0;
95 }
60 96
61 /* Check the mux register in question */ 97 /* Check the mux register in question */
62 if (cfg->mux_reg) { 98 if (cfg->mux_reg) {
@@ -157,7 +193,8 @@ omap_cfg_reg(const reg_cfg_t reg_cfg)
157 return 0; 193 return 0;
158#endif 194#endif
159} 195}
160
161EXPORT_SYMBOL(omap_cfg_reg); 196EXPORT_SYMBOL(omap_cfg_reg);
162 197#else
198#define omap_mux_init() do {} while(0)
199#define omap_cfg_reg(x) do {} while(0)
163#endif /* CONFIG_OMAP_MUX */ 200#endif /* CONFIG_OMAP_MUX */
diff --git a/arch/arm/plat-omap/pm.c b/arch/arm/plat-omap/pm.c
index e15c6c1ddec9..966cca031ca7 100644
--- a/arch/arm/plat-omap/pm.c
+++ b/arch/arm/plat-omap/pm.c
@@ -54,11 +54,12 @@
54#include <asm/arch/tps65010.h> 54#include <asm/arch/tps65010.h>
55#include <asm/arch/dsp_common.h> 55#include <asm/arch/dsp_common.h>
56 56
57#include "clock.h" 57#include <asm/arch/clock.h>
58#include "sram.h" 58#include <asm/arch/sram.h>
59 59
60static unsigned int arm_sleep_save[ARM_SLEEP_SAVE_SIZE]; 60static unsigned int arm_sleep_save[ARM_SLEEP_SAVE_SIZE];
61static unsigned short ulpd_sleep_save[ULPD_SLEEP_SAVE_SIZE]; 61static unsigned short ulpd_sleep_save[ULPD_SLEEP_SAVE_SIZE];
62static unsigned int mpui730_sleep_save[MPUI730_SLEEP_SAVE_SIZE];
62static unsigned int mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_SIZE]; 63static unsigned int mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_SIZE];
63static unsigned int mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_SIZE]; 64static unsigned int mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_SIZE];
64 65
@@ -120,8 +121,8 @@ void omap_pm_idle(void)
120 */ 121 */
121static void omap_pm_wakeup_setup(void) 122static void omap_pm_wakeup_setup(void)
122{ 123{
123 u32 level1_wake = OMAP_IRQ_BIT(INT_IH2_IRQ); 124 u32 level1_wake = 0;
124 u32 level2_wake = OMAP_IRQ_BIT(INT_UART2) | OMAP_IRQ_BIT(INT_KEYBOARD); 125 u32 level2_wake = OMAP_IRQ_BIT(INT_UART2);
125 126
126 /* 127 /*
127 * Turn off all interrupts except GPIO bank 1, L1-2nd level cascade, 128 * Turn off all interrupts except GPIO bank 1, L1-2nd level cascade,
@@ -129,19 +130,29 @@ static void omap_pm_wakeup_setup(void)
129 * drivers must still separately call omap_set_gpio_wakeup() to 130 * drivers must still separately call omap_set_gpio_wakeup() to
130 * wake up to a GPIO interrupt. 131 * wake up to a GPIO interrupt.
131 */ 132 */
132 if (cpu_is_omap1510() || cpu_is_omap16xx()) 133 if (cpu_is_omap730())
133 level1_wake |= OMAP_IRQ_BIT(INT_GPIO_BANK1); 134 level1_wake = OMAP_IRQ_BIT(INT_730_GPIO_BANK1) |
134 else if (cpu_is_omap730()) 135 OMAP_IRQ_BIT(INT_730_IH2_IRQ);
135 level1_wake |= OMAP_IRQ_BIT(INT_730_GPIO_BANK1); 136 else if (cpu_is_omap1510())
137 level1_wake = OMAP_IRQ_BIT(INT_GPIO_BANK1) |
138 OMAP_IRQ_BIT(INT_1510_IH2_IRQ);
139 else if (cpu_is_omap16xx())
140 level1_wake = OMAP_IRQ_BIT(INT_GPIO_BANK1) |
141 OMAP_IRQ_BIT(INT_1610_IH2_IRQ);
136 142
137 omap_writel(~level1_wake, OMAP_IH1_MIR); 143 omap_writel(~level1_wake, OMAP_IH1_MIR);
138 144
139 if (cpu_is_omap1510()) 145 if (cpu_is_omap730()) {
146 omap_writel(~level2_wake, OMAP_IH2_0_MIR);
147 omap_writel(~(OMAP_IRQ_BIT(INT_730_WAKE_UP_REQ) | OMAP_IRQ_BIT(INT_730_MPUIO_KEYPAD)), OMAP_IH2_1_MIR);
148 } else if (cpu_is_omap1510()) {
149 level2_wake |= OMAP_IRQ_BIT(INT_KEYBOARD);
140 omap_writel(~level2_wake, OMAP_IH2_MIR); 150 omap_writel(~level2_wake, OMAP_IH2_MIR);
141 151 } else if (cpu_is_omap16xx()) {
142 /* INT_1610_WAKE_UP_REQ is needed for GPIO wakeup... */ 152 level2_wake |= OMAP_IRQ_BIT(INT_KEYBOARD);
143 if (cpu_is_omap16xx()) {
144 omap_writel(~level2_wake, OMAP_IH2_0_MIR); 153 omap_writel(~level2_wake, OMAP_IH2_0_MIR);
154
155 /* INT_1610_WAKE_UP_REQ is needed for GPIO wakeup... */
145 omap_writel(~OMAP_IRQ_BIT(INT_1610_WAKE_UP_REQ), OMAP_IH2_1_MIR); 156 omap_writel(~OMAP_IRQ_BIT(INT_1610_WAKE_UP_REQ), OMAP_IH2_1_MIR);
146 omap_writel(~0x0, OMAP_IH2_2_MIR); 157 omap_writel(~0x0, OMAP_IH2_2_MIR);
147 omap_writel(~0x0, OMAP_IH2_3_MIR); 158 omap_writel(~0x0, OMAP_IH2_3_MIR);
@@ -185,7 +196,17 @@ void omap_pm_suspend(void)
185 * Save interrupt, MPUI, ARM and UPLD control registers. 196 * Save interrupt, MPUI, ARM and UPLD control registers.
186 */ 197 */
187 198
188 if (cpu_is_omap1510()) { 199 if (cpu_is_omap730()) {
200 MPUI730_SAVE(OMAP_IH1_MIR);
201 MPUI730_SAVE(OMAP_IH2_0_MIR);
202 MPUI730_SAVE(OMAP_IH2_1_MIR);
203 MPUI730_SAVE(MPUI_CTRL);
204 MPUI730_SAVE(MPUI_DSP_BOOT_CONFIG);
205 MPUI730_SAVE(MPUI_DSP_API_CONFIG);
206 MPUI730_SAVE(EMIFS_CONFIG);
207 MPUI730_SAVE(EMIFF_SDRAM_CONFIG);
208
209 } else if (cpu_is_omap1510()) {
189 MPUI1510_SAVE(OMAP_IH1_MIR); 210 MPUI1510_SAVE(OMAP_IH1_MIR);
190 MPUI1510_SAVE(OMAP_IH2_MIR); 211 MPUI1510_SAVE(OMAP_IH2_MIR);
191 MPUI1510_SAVE(MPUI_CTRL); 212 MPUI1510_SAVE(MPUI_CTRL);
@@ -280,7 +301,13 @@ void omap_pm_suspend(void)
280 ULPD_RESTORE(ULPD_CLOCK_CTRL); 301 ULPD_RESTORE(ULPD_CLOCK_CTRL);
281 ULPD_RESTORE(ULPD_STATUS_REQ); 302 ULPD_RESTORE(ULPD_STATUS_REQ);
282 303
283 if (cpu_is_omap1510()) { 304 if (cpu_is_omap730()) {
305 MPUI730_RESTORE(EMIFS_CONFIG);
306 MPUI730_RESTORE(EMIFF_SDRAM_CONFIG);
307 MPUI730_RESTORE(OMAP_IH1_MIR);
308 MPUI730_RESTORE(OMAP_IH2_0_MIR);
309 MPUI730_RESTORE(OMAP_IH2_1_MIR);
310 } else if (cpu_is_omap1510()) {
284 MPUI1510_RESTORE(MPUI_CTRL); 311 MPUI1510_RESTORE(MPUI_CTRL);
285 MPUI1510_RESTORE(MPUI_DSP_BOOT_CONFIG); 312 MPUI1510_RESTORE(MPUI_DSP_BOOT_CONFIG);
286 MPUI1510_RESTORE(MPUI_DSP_API_CONFIG); 313 MPUI1510_RESTORE(MPUI_DSP_API_CONFIG);
@@ -355,7 +382,14 @@ static int omap_pm_read_proc(
355 ULPD_SAVE(ULPD_DPLL_CTRL); 382 ULPD_SAVE(ULPD_DPLL_CTRL);
356 ULPD_SAVE(ULPD_POWER_CTRL); 383 ULPD_SAVE(ULPD_POWER_CTRL);
357 384
358 if (cpu_is_omap1510()) { 385 if (cpu_is_omap730()) {
386 MPUI730_SAVE(MPUI_CTRL);
387 MPUI730_SAVE(MPUI_DSP_STATUS);
388 MPUI730_SAVE(MPUI_DSP_BOOT_CONFIG);
389 MPUI730_SAVE(MPUI_DSP_API_CONFIG);
390 MPUI730_SAVE(EMIFF_SDRAM_CONFIG);
391 MPUI730_SAVE(EMIFS_CONFIG);
392 } else if (cpu_is_omap1510()) {
359 MPUI1510_SAVE(MPUI_CTRL); 393 MPUI1510_SAVE(MPUI_CTRL);
360 MPUI1510_SAVE(MPUI_DSP_STATUS); 394 MPUI1510_SAVE(MPUI_DSP_STATUS);
361 MPUI1510_SAVE(MPUI_DSP_BOOT_CONFIG); 395 MPUI1510_SAVE(MPUI_DSP_BOOT_CONFIG);
@@ -404,7 +438,21 @@ static int omap_pm_read_proc(
404 ULPD_SHOW(ULPD_STATUS_REQ), 438 ULPD_SHOW(ULPD_STATUS_REQ),
405 ULPD_SHOW(ULPD_POWER_CTRL)); 439 ULPD_SHOW(ULPD_POWER_CTRL));
406 440
407 if (cpu_is_omap1510()) { 441 if (cpu_is_omap730()) {
442 my_buffer_offset += sprintf(my_base + my_buffer_offset,
443 "MPUI730_CTRL_REG 0x%-8x \n"
444 "MPUI730_DSP_STATUS_REG: 0x%-8x \n"
445 "MPUI730_DSP_BOOT_CONFIG_REG: 0x%-8x \n"
446 "MPUI730_DSP_API_CONFIG_REG: 0x%-8x \n"
447 "MPUI730_SDRAM_CONFIG_REG: 0x%-8x \n"
448 "MPUI730_EMIFS_CONFIG_REG: 0x%-8x \n",
449 MPUI730_SHOW(MPUI_CTRL),
450 MPUI730_SHOW(MPUI_DSP_STATUS),
451 MPUI730_SHOW(MPUI_DSP_BOOT_CONFIG),
452 MPUI730_SHOW(MPUI_DSP_API_CONFIG),
453 MPUI730_SHOW(EMIFF_SDRAM_CONFIG),
454 MPUI730_SHOW(EMIFS_CONFIG));
455 } else if (cpu_is_omap1510()) {
408 my_buffer_offset += sprintf(my_base + my_buffer_offset, 456 my_buffer_offset += sprintf(my_base + my_buffer_offset,
409 "MPUI1510_CTRL_REG 0x%-8x \n" 457 "MPUI1510_CTRL_REG 0x%-8x \n"
410 "MPUI1510_DSP_STATUS_REG: 0x%-8x \n" 458 "MPUI1510_DSP_STATUS_REG: 0x%-8x \n"
@@ -553,7 +601,12 @@ static int __init omap_pm_init(void)
553 * These routines need to be in SRAM as that's the only 601 * These routines need to be in SRAM as that's the only
554 * memory the MPU can see when it wakes up. 602 * memory the MPU can see when it wakes up.
555 */ 603 */
556 if (cpu_is_omap1510()) { 604 if (cpu_is_omap730()) {
605 omap_sram_idle = omap_sram_push(omap730_idle_loop_suspend,
606 omap730_idle_loop_suspend_sz);
607 omap_sram_suspend = omap_sram_push(omap730_cpu_suspend,
608 omap730_cpu_suspend_sz);
609 } else if (cpu_is_omap1510()) {
557 omap_sram_idle = omap_sram_push(omap1510_idle_loop_suspend, 610 omap_sram_idle = omap_sram_push(omap1510_idle_loop_suspend,
558 omap1510_idle_loop_suspend_sz); 611 omap1510_idle_loop_suspend_sz);
559 omap_sram_suspend = omap_sram_push(omap1510_cpu_suspend, 612 omap_sram_suspend = omap_sram_push(omap1510_cpu_suspend,
@@ -572,7 +625,11 @@ static int __init omap_pm_init(void)
572 625
573 pm_idle = omap_pm_idle; 626 pm_idle = omap_pm_idle;
574 627
575 setup_irq(INT_1610_WAKE_UP_REQ, &omap_wakeup_irq); 628 if (cpu_is_omap730())
629 setup_irq(INT_730_WAKE_UP_REQ, &omap_wakeup_irq);
630 else if (cpu_is_omap16xx())
631 setup_irq(INT_1610_WAKE_UP_REQ, &omap_wakeup_irq);
632
576#if 0 633#if 0
577 /* --- BEGIN BOARD-DEPENDENT CODE --- */ 634 /* --- BEGIN BOARD-DEPENDENT CODE --- */
578 /* Sleepx mask direction */ 635 /* Sleepx mask direction */
@@ -591,7 +648,9 @@ static int __init omap_pm_init(void)
591 omap_writew(ULPD_POWER_CTRL_REG_VAL, ULPD_POWER_CTRL); 648 omap_writew(ULPD_POWER_CTRL_REG_VAL, ULPD_POWER_CTRL);
592 649
593 /* Configure IDLECT3 */ 650 /* Configure IDLECT3 */
594 if (cpu_is_omap16xx()) 651 if (cpu_is_omap730())
652 omap_writel(OMAP730_IDLECT3_VAL, OMAP730_IDLECT3);
653 else if (cpu_is_omap16xx())
595 omap_writel(OMAP1610_IDLECT3_VAL, OMAP1610_IDLECT3); 654 omap_writel(OMAP1610_IDLECT3_VAL, OMAP1610_IDLECT3);
596 655
597 pm_set_ops(&omap_pm_ops); 656 pm_set_ops(&omap_pm_ops);
@@ -600,8 +659,10 @@ static int __init omap_pm_init(void)
600 omap_pm_init_proc(); 659 omap_pm_init_proc();
601#endif 660#endif
602 661
603 /* configure LOW_PWR pin */ 662 if (cpu_is_omap16xx()) {
604 omap_cfg_reg(T20_1610_LOW_PWR); 663 /* configure LOW_PWR pin */
664 omap_cfg_reg(T20_1610_LOW_PWR);
665 }
605 666
606 return 0; 667 return 0;
607} 668}
diff --git a/arch/arm/plat-omap/sleep.S b/arch/arm/plat-omap/sleep.S
index 9f745836f6aa..4cd7d292f854 100644
--- a/arch/arm/plat-omap/sleep.S
+++ b/arch/arm/plat-omap/sleep.S
@@ -1,7 +1,7 @@
1/* 1/*
2 * linux/arch/arm/plat-omap/sleep.S 2 * linux/arch/arm/plat-omap/sleep.S
3 * 3 *
4 * Low-level OMAP1510/1610 sleep/wakeUp support 4 * Low-level OMAP730/1510/1610 sleep/wakeUp support
5 * 5 *
6 * Initial SA1110 code: 6 * Initial SA1110 code:
7 * Copyright (c) 2001 Cliff Brake <cbrake@accelent.com> 7 * Copyright (c) 2001 Cliff Brake <cbrake@accelent.com>
@@ -52,7 +52,57 @@
52 * processor specific functions here. 52 * processor specific functions here.
53 */ 53 */
54 54
55#ifdef CONFIG_ARCH_OMAP1510 55#if defined(CONFIG_ARCH_OMAP730)
56ENTRY(omap730_idle_loop_suspend)
57
58 stmfd sp!, {r0 - r12, lr} @ save registers on stack
59
60 @ load base address of ARM_IDLECT1 and ARM_IDLECT2
61 mov r4, #CLKGEN_REG_ASM_BASE & 0xff000000
62 orr r4, r4, #CLKGEN_REG_ASM_BASE & 0x00ff0000
63 orr r4, r4, #CLKGEN_REG_ASM_BASE & 0x0000ff00
64
65 @ turn off clock domains
66 @ get ARM_IDLECT2 into r2
67 ldrh r2, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
68 mov r5, #OMAP730_IDLECT2_SLEEP_VAL & 0xff
69 orr r5, r5, #OMAP730_IDLECT2_SLEEP_VAL & 0xff00
70 strh r5, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
71
72 @ request ARM idle
73 @ get ARM_IDLECT1 into r1
74 ldrh r1, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
75 orr r3, r1, #OMAP730_IDLE_LOOP_REQUEST & 0xffff
76 strh r3, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
77
78 mov r5, #IDLE_WAIT_CYCLES & 0xff
79 orr r5, r5, #IDLE_WAIT_CYCLES & 0xff00
80l_730: subs r5, r5, #1
81 bne l_730
82/*
83 * Let's wait for the next clock tick to wake us up.
84 */
85 mov r0, #0
86 mcr p15, 0, r0, c7, c0, 4 @ wait for interrupt
87/*
88 * omap730_idle_loop_suspend()'s resume point.
89 *
90 * It will just start executing here, so we'll restore stuff from the
91 * stack, reset the ARM_IDLECT1 and ARM_IDLECT2.
92 */
93
94 @ restore ARM_IDLECT1 and ARM_IDLECT2 and return
95 @ r1 has ARM_IDLECT1 and r2 still has ARM_IDLECT2
96 strh r2, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
97 strh r1, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
98
99 ldmfd sp!, {r0 - r12, pc} @ restore regs and return
100
101ENTRY(omap730_idle_loop_suspend_sz)
102 .word . - omap730_idle_loop_suspend
103#endif /* CONFIG_ARCH_OMAP730 */
104
105#ifdef CONFIG_ARCH_OMAP15XX
56ENTRY(omap1510_idle_loop_suspend) 106ENTRY(omap1510_idle_loop_suspend)
57 107
58 stmfd sp!, {r0 - r12, lr} @ save registers on stack 108 stmfd sp!, {r0 - r12, lr} @ save registers on stack
@@ -100,7 +150,7 @@ l_1510: subs r5, r5, #1
100 150
101ENTRY(omap1510_idle_loop_suspend_sz) 151ENTRY(omap1510_idle_loop_suspend_sz)
102 .word . - omap1510_idle_loop_suspend 152 .word . - omap1510_idle_loop_suspend
103#endif /* CONFIG_ARCH_OMAP1510 */ 153#endif /* CONFIG_ARCH_OMAP15XX */
104 154
105#if defined(CONFIG_ARCH_OMAP16XX) 155#if defined(CONFIG_ARCH_OMAP16XX)
106ENTRY(omap1610_idle_loop_suspend) 156ENTRY(omap1610_idle_loop_suspend)
@@ -169,7 +219,86 @@ ENTRY(omap1610_idle_loop_suspend_sz)
169 * 219 *
170 */ 220 */
171 221
172#ifdef CONFIG_ARCH_OMAP1510 222#if defined(CONFIG_ARCH_OMAP730)
223ENTRY(omap730_cpu_suspend)
224
225 @ save registers on stack
226 stmfd sp!, {r0 - r12, lr}
227
228 @ Drain write cache
229 mov r4, #0
230 mcr p15, 0, r0, c7, c10, 4
231 nop
232
233 @ load base address of Traffic Controller
234 mov r6, #TCMIF_ASM_BASE & 0xff000000
235 orr r6, r6, #TCMIF_ASM_BASE & 0x00ff0000
236 orr r6, r6, #TCMIF_ASM_BASE & 0x0000ff00
237
238 @ prepare to put SDRAM into self-refresh manually
239 ldr r7, [r6, #EMIFF_SDRAM_CONFIG_ASM_OFFSET & 0xff]
240 orr r9, r7, #SELF_REFRESH_MODE & 0xff000000
241 orr r9, r9, #SELF_REFRESH_MODE & 0x000000ff
242 str r9, [r6, #EMIFF_SDRAM_CONFIG_ASM_OFFSET & 0xff]
243
244 @ prepare to put EMIFS to Sleep
245 ldr r8, [r6, #EMIFS_CONFIG_ASM_OFFSET & 0xff]
246 orr r9, r8, #IDLE_EMIFS_REQUEST & 0xff
247 str r9, [r6, #EMIFS_CONFIG_ASM_OFFSET & 0xff]
248
249 @ load base address of ARM_IDLECT1 and ARM_IDLECT2
250 mov r4, #CLKGEN_REG_ASM_BASE & 0xff000000
251 orr r4, r4, #CLKGEN_REG_ASM_BASE & 0x00ff0000
252 orr r4, r4, #CLKGEN_REG_ASM_BASE & 0x0000ff00
253
254 @ turn off clock domains
255 @ do not disable PERCK (0x04)
256 mov r5, #OMAP730_IDLECT2_SLEEP_VAL & 0xff
257 orr r5, r5, #OMAP730_IDLECT2_SLEEP_VAL & 0xff00
258 strh r5, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
259
260 @ request ARM idle
261 mov r3, #OMAP730_IDLECT1_SLEEP_VAL & 0xff
262 orr r3, r3, #OMAP730_IDLECT1_SLEEP_VAL & 0xff00
263 strh r3, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
264
265 @ disable instruction cache
266 mrc p15, 0, r9, c1, c0, 0
267 bic r2, r9, #0x1000
268 mcr p15, 0, r2, c1, c0, 0
269 nop
270
271/*
272 * Let's wait for the next wake up event to wake us up. r0 can't be
273 * used here because r0 holds ARM_IDLECT1
274 */
275 mov r2, #0
276 mcr p15, 0, r2, c7, c0, 4 @ wait for interrupt
277/*
278 * omap730_cpu_suspend()'s resume point.
279 *
280 * It will just start executing here, so we'll restore stuff from the
281 * stack.
282 */
283 @ re-enable Icache
284 mcr p15, 0, r9, c1, c0, 0
285
286 @ reset the ARM_IDLECT1 and ARM_IDLECT2.
287 strh r1, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
288 strh r0, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
289
290 @ Restore EMIFF controls
291 str r7, [r6, #EMIFF_SDRAM_CONFIG_ASM_OFFSET & 0xff]
292 str r8, [r6, #EMIFS_CONFIG_ASM_OFFSET & 0xff]
293
294 @ restore regs and return
295 ldmfd sp!, {r0 - r12, pc}
296
297ENTRY(omap730_cpu_suspend_sz)
298 .word . - omap730_cpu_suspend
299#endif /* CONFIG_ARCH_OMAP730 */
300
301#ifdef CONFIG_ARCH_OMAP15XX
173ENTRY(omap1510_cpu_suspend) 302ENTRY(omap1510_cpu_suspend)
174 303
175 @ save registers on stack 304 @ save registers on stack
@@ -241,7 +370,7 @@ l_1510_2:
241 370
242ENTRY(omap1510_cpu_suspend_sz) 371ENTRY(omap1510_cpu_suspend_sz)
243 .word . - omap1510_cpu_suspend 372 .word . - omap1510_cpu_suspend
244#endif /* CONFIG_ARCH_OMAP1510 */ 373#endif /* CONFIG_ARCH_OMAP15XX */
245 374
246#if defined(CONFIG_ARCH_OMAP16XX) 375#if defined(CONFIG_ARCH_OMAP16XX)
247ENTRY(omap1610_cpu_suspend) 376ENTRY(omap1610_cpu_suspend)
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 7ad69f14a3e7..792f66375830 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -20,10 +20,13 @@
20#include <asm/io.h> 20#include <asm/io.h>
21#include <asm/cacheflush.h> 21#include <asm/cacheflush.h>
22 22
23#include "sram.h" 23#include <asm/arch/sram.h>
24
25#define OMAP1_SRAM_PA 0x20000000
26#define OMAP1_SRAM_VA 0xd0000000
27#define OMAP2_SRAM_PA 0x40200000
28#define OMAP2_SRAM_VA 0xd0000000
24 29
25#define OMAP1_SRAM_BASE 0xd0000000
26#define OMAP1_SRAM_START 0x20000000
27#define SRAM_BOOTLOADER_SZ 0x80 30#define SRAM_BOOTLOADER_SZ 0x80
28 31
29static unsigned long omap_sram_base; 32static unsigned long omap_sram_base;
@@ -31,37 +34,40 @@ static unsigned long omap_sram_size;
31static unsigned long omap_sram_ceil; 34static unsigned long omap_sram_ceil;
32 35
33/* 36/*
34 * The amount of SRAM depends on the core type: 37 * The amount of SRAM depends on the core type.
35 * 730 = 200K, 1510 = 512K, 5912 = 256K, 1610 = 16K, 1710 = 16K
36 * Note that we cannot try to test for SRAM here because writes 38 * Note that we cannot try to test for SRAM here because writes
37 * to secure SRAM will hang the system. Also the SRAM is not 39 * to secure SRAM will hang the system. Also the SRAM is not
38 * yet mapped at this point. 40 * yet mapped at this point.
39 */ 41 */
40void __init omap_detect_sram(void) 42void __init omap_detect_sram(void)
41{ 43{
42 omap_sram_base = OMAP1_SRAM_BASE; 44 if (!cpu_is_omap24xx())
45 omap_sram_base = OMAP1_SRAM_VA;
46 else
47 omap_sram_base = OMAP2_SRAM_VA;
43 48
44 if (cpu_is_omap730()) 49 if (cpu_is_omap730())
45 omap_sram_size = 0x32000; 50 omap_sram_size = 0x32000; /* 200K */
46 else if (cpu_is_omap1510()) 51 else if (cpu_is_omap15xx())
47 omap_sram_size = 0x80000; 52 omap_sram_size = 0x30000; /* 192K */
48 else if (cpu_is_omap1610() || cpu_is_omap1621() || cpu_is_omap1710()) 53 else if (cpu_is_omap1610() || cpu_is_omap1621() || cpu_is_omap1710())
49 omap_sram_size = 0x4000; 54 omap_sram_size = 0x4000; /* 16K */
50 else if (cpu_is_omap1611()) 55 else if (cpu_is_omap1611())
51 omap_sram_size = 0x3e800; 56 omap_sram_size = 0x3e800; /* 250K */
57 else if (cpu_is_omap2420())
58 omap_sram_size = 0xa0014; /* 640K */
52 else { 59 else {
53 printk(KERN_ERR "Could not detect SRAM size\n"); 60 printk(KERN_ERR "Could not detect SRAM size\n");
54 omap_sram_size = 0x4000; 61 omap_sram_size = 0x4000;
55 } 62 }
56 63
57 printk(KERN_INFO "SRAM size: 0x%lx\n", omap_sram_size);
58 omap_sram_ceil = omap_sram_base + omap_sram_size; 64 omap_sram_ceil = omap_sram_base + omap_sram_size;
59} 65}
60 66
61static struct map_desc omap_sram_io_desc[] __initdata = { 67static struct map_desc omap_sram_io_desc[] __initdata = {
62 { /* .length gets filled in at runtime */ 68 { /* .length gets filled in at runtime */
63 .virtual = OMAP1_SRAM_BASE, 69 .virtual = OMAP1_SRAM_VA,
64 .pfn = __phys_to_pfn(OMAP1_SRAM_START), 70 .pfn = __phys_to_pfn(OMAP1_SRAM_PA),
65 .type = MT_DEVICE 71 .type = MT_DEVICE
66 } 72 }
67}; 73};
@@ -76,10 +82,19 @@ void __init omap_map_sram(void)
76 if (omap_sram_size == 0) 82 if (omap_sram_size == 0)
77 return; 83 return;
78 84
85 if (cpu_is_omap24xx()) {
86 omap_sram_io_desc[0].virtual = OMAP2_SRAM_VA;
87 omap_sram_io_desc[0].pfn = __phys_to_pfn(OMAP2_SRAM_PA);
88 }
89
79 omap_sram_io_desc[0].length = (omap_sram_size + PAGE_SIZE-1)/PAGE_SIZE; 90 omap_sram_io_desc[0].length = (omap_sram_size + PAGE_SIZE-1)/PAGE_SIZE;
80 omap_sram_io_desc[0].length *= PAGE_SIZE; 91 omap_sram_io_desc[0].length *= PAGE_SIZE;
81 iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc)); 92 iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc));
82 93
94 printk(KERN_INFO "SRAM: Mapped pa 0x%08lx to va 0x%08lx size: 0x%lx\n",
95 omap_sram_io_desc[0].pfn, omap_sram_io_desc[0].virtual,
96 omap_sram_io_desc[0].length);
97
83 /* 98 /*
84 * Looks like we need to preserve some bootloader code at the 99 * Looks like we need to preserve some bootloader code at the
85 * beginning of SRAM for jumping to flash for reboot to work... 100 * beginning of SRAM for jumping to flash for reboot to work...
@@ -88,16 +103,6 @@ void __init omap_map_sram(void)
88 omap_sram_size - SRAM_BOOTLOADER_SZ); 103 omap_sram_size - SRAM_BOOTLOADER_SZ);
89} 104}
90 105
91static void (*_omap_sram_reprogram_clock)(u32 dpllctl, u32 ckctl) = NULL;
92
93void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl)
94{
95 if (_omap_sram_reprogram_clock == NULL)
96 panic("Cannot use SRAM");
97
98 return _omap_sram_reprogram_clock(dpllctl, ckctl);
99}
100
101void * omap_sram_push(void * start, unsigned long size) 106void * omap_sram_push(void * start, unsigned long size)
102{ 107{
103 if (size > (omap_sram_ceil - (omap_sram_base + SRAM_BOOTLOADER_SZ))) { 108 if (size > (omap_sram_ceil - (omap_sram_base + SRAM_BOOTLOADER_SZ))) {
@@ -111,10 +116,94 @@ void * omap_sram_push(void * start, unsigned long size)
111 return (void *)omap_sram_ceil; 116 return (void *)omap_sram_ceil;
112} 117}
113 118
114void __init omap_sram_init(void) 119static void omap_sram_error(void)
120{
121 panic("Uninitialized SRAM function\n");
122}
123
124#ifdef CONFIG_ARCH_OMAP1
125
126static void (*_omap_sram_reprogram_clock)(u32 dpllctl, u32 ckctl);
127
128void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl)
129{
130 if (!_omap_sram_reprogram_clock)
131 omap_sram_error();
132
133 return _omap_sram_reprogram_clock(dpllctl, ckctl);
134}
135
136int __init omap1_sram_init(void)
115{ 137{
116 omap_detect_sram();
117 omap_map_sram();
118 _omap_sram_reprogram_clock = omap_sram_push(sram_reprogram_clock, 138 _omap_sram_reprogram_clock = omap_sram_push(sram_reprogram_clock,
119 sram_reprogram_clock_sz); 139 sram_reprogram_clock_sz);
140
141 return 0;
142}
143
144#else
145#define omap1_sram_init() do {} while (0)
146#endif
147
148#ifdef CONFIG_ARCH_OMAP2
149
150static void (*_omap2_sram_ddr_init)(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
151 u32 base_cs, u32 force_unlock);
152
153void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
154 u32 base_cs, u32 force_unlock)
155{
156 if (!_omap2_sram_ddr_init)
157 omap_sram_error();
158
159 return _omap2_sram_ddr_init(slow_dll_ctrl, fast_dll_ctrl,
160 base_cs, force_unlock);
161}
162
163static void (*_omap2_sram_reprogram_sdrc)(u32 perf_level, u32 dll_val,
164 u32 mem_type);
165
166void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val, u32 mem_type)
167{
168 if (!_omap2_sram_reprogram_sdrc)
169 omap_sram_error();
170
171 return _omap2_sram_reprogram_sdrc(perf_level, dll_val, mem_type);
172}
173
174static u32 (*_omap2_set_prcm)(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass);
175
176u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass)
177{
178 if (!_omap2_set_prcm)
179 omap_sram_error();
180
181 return _omap2_set_prcm(dpll_ctrl_val, sdrc_rfr_val, bypass);
182}
183
184int __init omap2_sram_init(void)
185{
186 _omap2_sram_ddr_init = omap_sram_push(sram_ddr_init, sram_ddr_init_sz);
187
188 _omap2_sram_reprogram_sdrc = omap_sram_push(sram_reprogram_sdrc,
189 sram_reprogram_sdrc_sz);
190 _omap2_set_prcm = omap_sram_push(sram_set_prcm, sram_set_prcm_sz);
191
192 return 0;
193}
194#else
195#define omap2_sram_init() do {} while (0)
196#endif
197
198int __init omap_sram_init(void)
199{
200 omap_detect_sram();
201 omap_map_sram();
202
203 if (!cpu_is_omap24xx())
204 omap1_sram_init();
205 else
206 omap2_sram_init();
207
208 return 0;
120} 209}
diff --git a/arch/arm/plat-omap/sram.h b/arch/arm/plat-omap/sram.h
deleted file mode 100644
index 71984efa6ae8..000000000000
--- a/arch/arm/plat-omap/sram.h
+++ /dev/null
@@ -1,21 +0,0 @@
1/*
2 * linux/arch/arm/plat-omap/sram.h
3 *
4 * Interface for functions that need to be run in internal SRAM
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#ifndef __ARCH_ARM_OMAP_SRAM_H
12#define __ARCH_ARM_OMAP_SRAM_H
13
14extern void * omap_sram_push(void * start, unsigned long size);
15extern void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl);
16
17/* Do not use these */
18extern void sram_reprogram_clock(u32 ckctl, u32 dpllctl);
19extern unsigned long sram_reprogram_clock_sz;
20
21#endif
diff --git a/arch/arm/plat-omap/usb.c b/arch/arm/plat-omap/usb.c
index 205e2d0b826d..00afc7a8c2ab 100644
--- a/arch/arm/plat-omap/usb.c
+++ b/arch/arm/plat-omap/usb.c
@@ -91,6 +91,8 @@ EXPORT_SYMBOL(otg_set_transceiver);
91 91
92/*-------------------------------------------------------------------------*/ 92/*-------------------------------------------------------------------------*/
93 93
94#if defined(CONFIG_ARCH_OMAP_OTG) || defined(CONFIG_ARCH_OMAP15XX)
95
94static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device) 96static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
95{ 97{
96 u32 syscon1 = 0; 98 u32 syscon1 = 0;
@@ -271,6 +273,8 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
271 return syscon1 << 24; 273 return syscon1 << 24;
272} 274}
273 275
276#endif
277
274/*-------------------------------------------------------------------------*/ 278/*-------------------------------------------------------------------------*/
275 279
276#if defined(CONFIG_USB_GADGET_OMAP) || \ 280#if defined(CONFIG_USB_GADGET_OMAP) || \
@@ -494,7 +498,7 @@ static inline void omap_otg_init(struct omap_usb_config *config) {}
494 498
495/*-------------------------------------------------------------------------*/ 499/*-------------------------------------------------------------------------*/
496 500
497#ifdef CONFIG_ARCH_OMAP1510 501#ifdef CONFIG_ARCH_OMAP15XX
498 502
499#define ULPD_DPLL_CTRL_REG __REG16(ULPD_DPLL_CTRL) 503#define ULPD_DPLL_CTRL_REG __REG16(ULPD_DPLL_CTRL)
500#define DPLL_IOB (1 << 13) 504#define DPLL_IOB (1 << 13)
@@ -507,7 +511,6 @@ static inline void omap_otg_init(struct omap_usb_config *config) {}
507 511
508static void __init omap_1510_usb_init(struct omap_usb_config *config) 512static void __init omap_1510_usb_init(struct omap_usb_config *config)
509{ 513{
510 int status;
511 unsigned int val; 514 unsigned int val;
512 515
513 omap_usb0_init(config->pins[0], is_usb0_device(config)); 516 omap_usb0_init(config->pins[0], is_usb0_device(config));
@@ -539,6 +542,8 @@ static void __init omap_1510_usb_init(struct omap_usb_config *config)
539 542
540#ifdef CONFIG_USB_GADGET_OMAP 543#ifdef CONFIG_USB_GADGET_OMAP
541 if (config->register_dev) { 544 if (config->register_dev) {
545 int status;
546
542 udc_device.dev.platform_data = config; 547 udc_device.dev.platform_data = config;
543 status = platform_device_register(&udc_device); 548 status = platform_device_register(&udc_device);
544 if (status) 549 if (status)
@@ -549,6 +554,8 @@ static void __init omap_1510_usb_init(struct omap_usb_config *config)
549 554
550#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) 555#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
551 if (config->register_host) { 556 if (config->register_host) {
557 int status;
558
552 ohci_device.dev.platform_data = config; 559 ohci_device.dev.platform_data = config;
553 status = platform_device_register(&ohci_device); 560 status = platform_device_register(&ohci_device);
554 if (status) 561 if (status)
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-10 09:26:20 -0400