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-rw-r--r--arch/arm/configs/pcontrol_g20_defconfig175
-rw-r--r--arch/arm/mach-at91/Kconfig6
-rw-r--r--arch/arm/mach-at91/Makefile13
-rw-r--r--arch/arm/mach-at91/at91sam9260.c7
-rw-r--r--arch/arm/mach-at91/at91sam9261.c7
-rw-r--r--arch/arm/mach-at91/at91sam9263.c7
-rw-r--r--arch/arm/mach-at91/at91sam9_alt_reset.S48
-rw-r--r--arch/arm/mach-at91/at91sam9g45_devices.c165
-rw-r--r--arch/arm/mach-at91/at91sam9rl.c7
-rw-r--r--arch/arm/mach-at91/board-pcontrol-g20.c322
-rw-r--r--arch/arm/mach-at91/board-sam9m10g45ek.c24
-rw-r--r--arch/arm/mach-at91/generic.h3
-rw-r--r--arch/arm/mach-at91/pm.c15
-rw-r--r--arch/arm/mach-at91/pm.h5
-rw-r--r--arch/arm/mach-at91/pm_slowclock.S1
-rw-r--r--drivers/mmc/host/Kconfig2
-rw-r--r--drivers/rtc/Kconfig12
17 files changed, 778 insertions, 41 deletions
diff --git a/arch/arm/configs/pcontrol_g20_defconfig b/arch/arm/configs/pcontrol_g20_defconfig
new file mode 100644
index 000000000000..b42ee62c4d77
--- /dev/null
+++ b/arch/arm/configs/pcontrol_g20_defconfig
@@ -0,0 +1,175 @@
1CONFIG_EXPERIMENTAL=y
2CONFIG_CROSS_COMPILE="/opt/arm-2010q1/bin/arm-none-linux-gnueabi-"
3# CONFIG_LOCALVERSION_AUTO is not set
4# CONFIG_SWAP is not set
5CONFIG_SYSVIPC=y
6CONFIG_POSIX_MQUEUE=y
7CONFIG_TREE_PREEMPT_RCU=y
8CONFIG_IKCONFIG=y
9CONFIG_IKCONFIG_PROC=y
10CONFIG_LOG_BUF_SHIFT=14
11CONFIG_NAMESPACES=y
12CONFIG_BLK_DEV_INITRD=y
13CONFIG_EMBEDDED=y
14# CONFIG_SYSCTL_SYSCALL is not set
15# CONFIG_KALLSYMS is not set
16# CONFIG_VM_EVENT_COUNTERS is not set
17# CONFIG_COMPAT_BRK is not set
18CONFIG_SLAB=y
19CONFIG_MODULES=y
20CONFIG_MODULE_UNLOAD=y
21# CONFIG_LBDAF is not set
22# CONFIG_BLK_DEV_BSG is not set
23CONFIG_DEFAULT_DEADLINE=y
24CONFIG_ARCH_AT91=y
25CONFIG_ARCH_AT91SAM9G20=y
26CONFIG_MACH_PCONTROL_G20=y
27CONFIG_AT91_PROGRAMMABLE_CLOCKS=y
28CONFIG_NO_HZ=y
29CONFIG_HIGH_RES_TIMERS=y
30CONFIG_PREEMPT=y
31CONFIG_AEABI=y
32# CONFIG_OABI_COMPAT is not set
33CONFIG_ZBOOT_ROM_TEXT=0x0
34CONFIG_ZBOOT_ROM_BSS=0x0
35CONFIG_CMDLINE="console=ttyS0,115200 mem=128M mtdparts=atmel_nand:128k(bootstrap)ro,256k(uboot)ro,128k(env1)ro,128k(env2)ro,2M(linux),-(root) root=/dev/mmcblk0p1 rootwait rw"
36CONFIG_VFP=y
37CONFIG_BINFMT_MISC=y
38CONFIG_NET=y
39CONFIG_PACKET=y
40CONFIG_UNIX=y
41CONFIG_INET=y
42# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
43# CONFIG_INET_XFRM_MODE_TUNNEL is not set
44# CONFIG_INET_XFRM_MODE_BEET is not set
45# CONFIG_INET_LRO is not set
46# CONFIG_IPV6 is not set
47CONFIG_VLAN_8021Q=y
48# CONFIG_WIRELESS is not set
49CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
50# CONFIG_FW_LOADER is not set
51CONFIG_MTD=y
52CONFIG_MTD_PARTITIONS=y
53CONFIG_MTD_CMDLINE_PARTS=y
54CONFIG_MTD_CHAR=y
55CONFIG_MTD_BLOCK=y
56CONFIG_MTD_COMPLEX_MAPPINGS=y
57CONFIG_MTD_PHRAM=m
58CONFIG_MTD_NAND=y
59CONFIG_MTD_NAND_ATMEL=y
60CONFIG_BLK_DEV_LOOP=y
61CONFIG_BLK_DEV_RAM=y
62CONFIG_BLK_DEV_RAM_SIZE=8192
63CONFIG_ATMEL_TCLIB=y
64CONFIG_EEPROM_AT24=m
65CONFIG_SCSI=m
66# CONFIG_SCSI_PROC_FS is not set
67CONFIG_BLK_DEV_SD=m
68CONFIG_SCSI_MULTI_LUN=y
69# CONFIG_SCSI_LOWLEVEL is not set
70CONFIG_NETDEVICES=y
71CONFIG_MACVLAN=m
72CONFIG_TUN=m
73CONFIG_SMSC_PHY=m
74CONFIG_BROADCOM_PHY=m
75CONFIG_NET_ETHERNET=y
76CONFIG_MII=y
77CONFIG_MACB=y
78CONFIG_SMSC911X=m
79# CONFIG_NETDEV_1000 is not set
80# CONFIG_NETDEV_10000 is not set
81# CONFIG_WLAN is not set
82CONFIG_PPP=m
83CONFIG_PPP_ASYNC=m
84CONFIG_PPP_DEFLATE=m
85CONFIG_PPP_MPPE=m
86CONFIG_INPUT_POLLDEV=y
87CONFIG_INPUT_SPARSEKMAP=y
88# CONFIG_INPUT_MOUSEDEV is not set
89CONFIG_INPUT_EVDEV=m
90CONFIG_INPUT_EVBUG=m
91# CONFIG_KEYBOARD_ATKBD is not set
92CONFIG_KEYBOARD_GPIO=m
93CONFIG_KEYBOARD_MATRIX=m
94# CONFIG_INPUT_MOUSE is not set
95CONFIG_INPUT_TOUCHSCREEN=y
96CONFIG_INPUT_MISC=y
97CONFIG_INPUT_UINPUT=m
98CONFIG_INPUT_GPIO_ROTARY_ENCODER=m
99# CONFIG_SERIO is not set
100# CONFIG_DEVKMEM is not set
101CONFIG_SERIAL_ATMEL=y
102CONFIG_SERIAL_ATMEL_CONSOLE=y
103CONFIG_SERIAL_MAX3100=m
104# CONFIG_LEGACY_PTYS is not set
105# CONFIG_HW_RANDOM is not set
106CONFIG_R3964=m
107CONFIG_I2C=m
108CONFIG_I2C_CHARDEV=m
109# CONFIG_I2C_HELPER_AUTO is not set
110CONFIG_I2C_GPIO=m
111CONFIG_SPI=y
112CONFIG_SPI_ATMEL=m
113CONFIG_SPI_SPIDEV=m
114CONFIG_GPIO_SYSFS=y
115CONFIG_W1=m
116CONFIG_W1_MASTER_GPIO=m
117CONFIG_W1_SLAVE_DS2431=m
118# CONFIG_HWMON is not set
119CONFIG_WATCHDOG=y
120CONFIG_AT91SAM9X_WATCHDOG=y
121# CONFIG_MFD_SUPPORT is not set
122# CONFIG_HID_SUPPORT is not set
123CONFIG_USB=y
124# CONFIG_USB_DEVICE_CLASS is not set
125CONFIG_USB_OHCI_HCD=y
126CONFIG_USB_STORAGE=m
127CONFIG_USB_LIBUSUAL=y
128CONFIG_USB_SERIAL=m
129CONFIG_USB_SERIAL_GENERIC=y
130CONFIG_USB_SERIAL_FTDI_SIO=m
131CONFIG_USB_SERIAL_PL2303=m
132CONFIG_USB_GADGET=y
133CONFIG_USB_ZERO=m
134CONFIG_USB_ETH=m
135CONFIG_USB_FILE_STORAGE=m
136CONFIG_USB_G_SERIAL=m
137CONFIG_USB_G_HID=m
138CONFIG_MMC=y
139CONFIG_MMC_UNSAFE_RESUME=y
140CONFIG_MMC_ATMELMCI=y
141CONFIG_NEW_LEDS=y
142CONFIG_LEDS_CLASS=y
143CONFIG_LEDS_GPIO=y
144CONFIG_LEDS_TRIGGERS=y
145CONFIG_LEDS_TRIGGER_TIMER=y
146CONFIG_LEDS_TRIGGER_HEARTBEAT=y
147CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
148CONFIG_RTC_CLASS=y
149CONFIG_RTC_DRV_AT91SAM9=y
150CONFIG_AUXDISPLAY=y
151CONFIG_UIO=y
152CONFIG_UIO_PDRV=y
153CONFIG_STAGING=y
154# CONFIG_STAGING_EXCLUDE_BUILD is not set
155CONFIG_IIO=y
156CONFIG_EXT2_FS=y
157CONFIG_EXT3_FS=y
158# CONFIG_EXT3_FS_XATTR is not set
159CONFIG_VFAT_FS=y
160CONFIG_TMPFS=y
161CONFIG_JFFS2_FS=y
162CONFIG_NFS_FS=y
163CONFIG_NFS_V3=y
164CONFIG_NFS_V4=y
165CONFIG_PARTITION_ADVANCED=y
166CONFIG_NLS_CODEPAGE_437=y
167CONFIG_NLS_CODEPAGE_850=y
168CONFIG_NLS_ISO8859_1=y
169CONFIG_NLS_ISO8859_15=y
170CONFIG_NLS_UTF8=y
171# CONFIG_RCU_CPU_STALL_DETECTOR is not set
172CONFIG_CRYPTO=y
173CONFIG_CRYPTO_ANSI_CPRNG=y
174# CONFIG_CRYPTO_HW is not set
175CONFIG_CRC_CCITT=y
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index abed4d15a7fd..c015b684b4fe 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -375,6 +375,12 @@ config MACH_STAMP9G20
375 evaluation board. 375 evaluation board.
376 <http://www.taskit.de/en/> 376 <http://www.taskit.de/en/>
377 377
378config MACH_PCONTROL_G20
379 bool "PControl G20 CPU module"
380 help
381 Select this if you are using taskit's Stamp9G20 CPU module on this
382 carrier board, beeing the decentralized unit of a building automation
383 system; featuring nvram, eth-switch, iso-rs485, display, io
378endif 384endif
379 385
380if (ARCH_AT91SAM9260 || ARCH_AT91SAM9G20) 386if (ARCH_AT91SAM9260 || ARCH_AT91SAM9G20)
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 412b3a471a4b..821eb842795f 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -11,12 +11,12 @@ obj-$(CONFIG_AT91_PMC_UNIT) += clock.o
11 11
12# CPU-specific support 12# CPU-specific support
13obj-$(CONFIG_ARCH_AT91RM9200) += at91rm9200.o at91rm9200_time.o at91rm9200_devices.o 13obj-$(CONFIG_ARCH_AT91RM9200) += at91rm9200.o at91rm9200_time.o at91rm9200_devices.o
14obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o 14obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o at91sam9_alt_reset.o
15obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o sam9_smc.o 15obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o sam9_smc.o at91sam9_alt_reset.o
16obj-$(CONFIG_ARCH_AT91SAM9G10) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o sam9_smc.o 16obj-$(CONFIG_ARCH_AT91SAM9G10) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o sam9_smc.o at91sam9_alt_reset.o
17obj-$(CONFIG_ARCH_AT91SAM9263) += at91sam9263.o at91sam926x_time.o at91sam9263_devices.o sam9_smc.o 17obj-$(CONFIG_ARCH_AT91SAM9263) += at91sam9263.o at91sam926x_time.o at91sam9263_devices.o sam9_smc.o at91sam9_alt_reset.o
18obj-$(CONFIG_ARCH_AT91SAM9RL) += at91sam9rl.o at91sam926x_time.o at91sam9rl_devices.o sam9_smc.o 18obj-$(CONFIG_ARCH_AT91SAM9RL) += at91sam9rl.o at91sam926x_time.o at91sam9rl_devices.o sam9_smc.o at91sam9_alt_reset.o
19obj-$(CONFIG_ARCH_AT91SAM9G20) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o 19obj-$(CONFIG_ARCH_AT91SAM9G20) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o at91sam9_alt_reset.o
20obj-$(CONFIG_ARCH_AT91SAM9G45) += at91sam9g45.o at91sam926x_time.o at91sam9g45_devices.o sam9_smc.o 20obj-$(CONFIG_ARCH_AT91SAM9G45) += at91sam9g45.o at91sam926x_time.o at91sam9g45_devices.o sam9_smc.o
21obj-$(CONFIG_ARCH_AT91CAP9) += at91cap9.o at91sam926x_time.o at91cap9_devices.o sam9_smc.o 21obj-$(CONFIG_ARCH_AT91CAP9) += at91cap9.o at91sam926x_time.o at91cap9_devices.o sam9_smc.o
22obj-$(CONFIG_ARCH_AT572D940HF) += at572d940hf.o at91sam926x_time.o at572d940hf_devices.o sam9_smc.o 22obj-$(CONFIG_ARCH_AT572D940HF) += at572d940hf.o at91sam926x_time.o at572d940hf_devices.o sam9_smc.o
@@ -65,6 +65,7 @@ obj-$(CONFIG_MACH_AT91SAM9G20EK) += board-sam9g20ek.o
65obj-$(CONFIG_MACH_CPU9G20) += board-cpu9krea.o 65obj-$(CONFIG_MACH_CPU9G20) += board-cpu9krea.o
66obj-$(CONFIG_MACH_STAMP9G20) += board-stamp9g20.o 66obj-$(CONFIG_MACH_STAMP9G20) += board-stamp9g20.o
67obj-$(CONFIG_MACH_PORTUXG20) += board-stamp9g20.o 67obj-$(CONFIG_MACH_PORTUXG20) += board-stamp9g20.o
68obj-$(CONFIG_MACH_PCONTROL_G20) += board-pcontrol-g20.o
68 69
69# AT91SAM9260/AT91SAM9G20 board-specific support 70# AT91SAM9260/AT91SAM9G20 board-specific support
70obj-$(CONFIG_MACH_SNAPPER_9260) += board-snapper9260.o 71obj-$(CONFIG_MACH_SNAPPER_9260) += board-snapper9260.o
diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index 0894f1077be7..195208b30024 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -279,11 +279,6 @@ static struct at91_gpio_bank at91sam9260_gpio[] = {
279 } 279 }
280}; 280};
281 281
282static void at91sam9260_reset(void)
283{
284 at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
285}
286
287static void at91sam9260_poweroff(void) 282static void at91sam9260_poweroff(void)
288{ 283{
289 at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); 284 at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
@@ -327,7 +322,7 @@ void __init at91sam9260_initialize(unsigned long main_clock)
327 else 322 else
328 iotable_init(at91sam9260_sram_desc, ARRAY_SIZE(at91sam9260_sram_desc)); 323 iotable_init(at91sam9260_sram_desc, ARRAY_SIZE(at91sam9260_sram_desc));
329 324
330 at91_arch_reset = at91sam9260_reset; 325 at91_arch_reset = at91sam9_alt_reset;
331 pm_power_off = at91sam9260_poweroff; 326 pm_power_off = at91sam9260_poweroff;
332 at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1) 327 at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1)
333 | (1 << AT91SAM9260_ID_IRQ2); 328 | (1 << AT91SAM9260_ID_IRQ2);
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
index 4ecf37996c77..fcad88668504 100644
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -257,11 +257,6 @@ static struct at91_gpio_bank at91sam9261_gpio[] = {
257 } 257 }
258}; 258};
259 259
260static void at91sam9261_reset(void)
261{
262 at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
263}
264
265static void at91sam9261_poweroff(void) 260static void at91sam9261_poweroff(void)
266{ 261{
267 at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); 262 at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
@@ -283,7 +278,7 @@ void __init at91sam9261_initialize(unsigned long main_clock)
283 iotable_init(at91sam9261_sram_desc, ARRAY_SIZE(at91sam9261_sram_desc)); 278 iotable_init(at91sam9261_sram_desc, ARRAY_SIZE(at91sam9261_sram_desc));
284 279
285 280
286 at91_arch_reset = at91sam9261_reset; 281 at91_arch_reset = at91sam9_alt_reset;
287 pm_power_off = at91sam9261_poweroff; 282 pm_power_off = at91sam9261_poweroff;
288 at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1) 283 at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1)
289 | (1 << AT91SAM9261_ID_IRQ2); 284 | (1 << AT91SAM9261_ID_IRQ2);
diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c
index 942792d630d8..249f900954d8 100644
--- a/arch/arm/mach-at91/at91sam9263.c
+++ b/arch/arm/mach-at91/at91sam9263.c
@@ -269,11 +269,6 @@ static struct at91_gpio_bank at91sam9263_gpio[] = {
269 } 269 }
270}; 270};
271 271
272static void at91sam9263_reset(void)
273{
274 at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
275}
276
277static void at91sam9263_poweroff(void) 272static void at91sam9263_poweroff(void)
278{ 273{
279 at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); 274 at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
@@ -289,7 +284,7 @@ void __init at91sam9263_initialize(unsigned long main_clock)
289 /* Map peripherals */ 284 /* Map peripherals */
290 iotable_init(at91sam9263_io_desc, ARRAY_SIZE(at91sam9263_io_desc)); 285 iotable_init(at91sam9263_io_desc, ARRAY_SIZE(at91sam9263_io_desc));
291 286
292 at91_arch_reset = at91sam9263_reset; 287 at91_arch_reset = at91sam9_alt_reset;
293 pm_power_off = at91sam9263_poweroff; 288 pm_power_off = at91sam9263_poweroff;
294 at91_extern_irq = (1 << AT91SAM9263_ID_IRQ0) | (1 << AT91SAM9263_ID_IRQ1); 289 at91_extern_irq = (1 << AT91SAM9263_ID_IRQ0) | (1 << AT91SAM9263_ID_IRQ1);
295 290
diff --git a/arch/arm/mach-at91/at91sam9_alt_reset.S b/arch/arm/mach-at91/at91sam9_alt_reset.S
new file mode 100644
index 000000000000..e0256deb91fb
--- /dev/null
+++ b/arch/arm/mach-at91/at91sam9_alt_reset.S
@@ -0,0 +1,48 @@
1/*
2 * reset AT91SAM9G20 as per errata
3 *
4 * (C) BitBox Ltd 2010
5 *
6 * unless the SDRAM is cleanly shutdown before we hit the
7 * reset register it can be left driving the data bus and
8 * killing the chance of a subsequent boot from NAND
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
16#include <linux/linkage.h>
17#include <asm/system.h>
18#include <mach/hardware.h>
19#include <mach/at91sam9_sdramc.h>
20#include <mach/at91_rstc.h>
21
22 .arm
23
24 .globl at91sam9_alt_reset
25
26at91sam9_alt_reset: mrc p15, 0, r0, c1, c0, 0
27 orr r0, r0, #CR_I
28 mcr p15, 0, r0, c1, c0, 0 @ enable I-cache
29
30 ldr r0, .at91_va_base_sdramc @ preload constants
31 ldr r1, .at91_va_base_rstc_cr
32
33 mov r2, #1
34 mov r3, #AT91_SDRAMC_LPCB_POWER_DOWN
35 ldr r4, =AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST
36
37 .balign 32 @ align to cache line
38
39 str r2, [r0, #AT91_SDRAMC_TR] @ disable SDRAM access
40 str r3, [r0, #AT91_SDRAMC_LPR] @ power down SDRAM
41 str r4, [r1] @ reset processor
42
43 b .
44
45.at91_va_base_sdramc:
46 .word AT91_VA_BASE_SYS + AT91_SDRAMC0
47.at91_va_base_rstc_cr:
48 .word AT91_VA_BASE_SYS + AT91_RSTC_CR
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 1276babf84d5..1e8f275c17f6 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -15,6 +15,7 @@
15#include <linux/dma-mapping.h> 15#include <linux/dma-mapping.h>
16#include <linux/platform_device.h> 16#include <linux/platform_device.h>
17#include <linux/i2c-gpio.h> 17#include <linux/i2c-gpio.h>
18#include <linux/atmel-mci.h>
18 19
19#include <linux/fb.h> 20#include <linux/fb.h>
20#include <video/atmel_lcdc.h> 21#include <video/atmel_lcdc.h>
@@ -25,6 +26,7 @@
25#include <mach/at91sam9g45_matrix.h> 26#include <mach/at91sam9g45_matrix.h>
26#include <mach/at91sam9_smc.h> 27#include <mach/at91sam9_smc.h>
27#include <mach/at_hdmac.h> 28#include <mach/at_hdmac.h>
29#include <mach/atmel-mci.h>
28 30
29#include "generic.h" 31#include "generic.h"
30 32
@@ -350,6 +352,169 @@ void __init at91_add_device_eth(struct at91_eth_data *data) {}
350 352
351 353
352/* -------------------------------------------------------------------- 354/* --------------------------------------------------------------------
355 * MMC / SD
356 * -------------------------------------------------------------------- */
357
358#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
359static u64 mmc_dmamask = DMA_BIT_MASK(32);
360static struct mci_platform_data mmc0_data, mmc1_data;
361
362static struct resource mmc0_resources[] = {
363 [0] = {
364 .start = AT91SAM9G45_BASE_MCI0,
365 .end = AT91SAM9G45_BASE_MCI0 + SZ_16K - 1,
366 .flags = IORESOURCE_MEM,
367 },
368 [1] = {
369 .start = AT91SAM9G45_ID_MCI0,
370 .end = AT91SAM9G45_ID_MCI0,
371 .flags = IORESOURCE_IRQ,
372 },
373};
374
375static struct platform_device at91sam9g45_mmc0_device = {
376 .name = "atmel_mci",
377 .id = 0,
378 .dev = {
379 .dma_mask = &mmc_dmamask,
380 .coherent_dma_mask = DMA_BIT_MASK(32),
381 .platform_data = &mmc0_data,
382 },
383 .resource = mmc0_resources,
384 .num_resources = ARRAY_SIZE(mmc0_resources),
385};
386
387static struct resource mmc1_resources[] = {
388 [0] = {
389 .start = AT91SAM9G45_BASE_MCI1,
390 .end = AT91SAM9G45_BASE_MCI1 + SZ_16K - 1,
391 .flags = IORESOURCE_MEM,
392 },
393 [1] = {
394 .start = AT91SAM9G45_ID_MCI1,
395 .end = AT91SAM9G45_ID_MCI1,
396 .flags = IORESOURCE_IRQ,
397 },
398};
399
400static struct platform_device at91sam9g45_mmc1_device = {
401 .name = "atmel_mci",
402 .id = 1,
403 .dev = {
404 .dma_mask = &mmc_dmamask,
405 .coherent_dma_mask = DMA_BIT_MASK(32),
406 .platform_data = &mmc1_data,
407 },
408 .resource = mmc1_resources,
409 .num_resources = ARRAY_SIZE(mmc1_resources),
410};
411
412/* Consider only one slot : slot 0 */
413void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data)
414{
415
416 if (!data)
417 return;
418
419 /* Must have at least one usable slot */
420 if (!data->slot[0].bus_width)
421 return;
422
423#if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE)
424 {
425 struct at_dma_slave *atslave;
426 struct mci_dma_data *alt_atslave;
427
428 alt_atslave = kzalloc(sizeof(struct mci_dma_data), GFP_KERNEL);
429 atslave = &alt_atslave->sdata;
430
431 /* DMA slave channel configuration */
432 atslave->dma_dev = &at_hdmac_device.dev;
433 atslave->reg_width = AT_DMA_SLAVE_WIDTH_32BIT;
434 atslave->cfg = ATC_FIFOCFG_HALFFIFO
435 | ATC_SRC_H2SEL_HW | ATC_DST_H2SEL_HW;
436 atslave->ctrla = ATC_SCSIZE_16 | ATC_DCSIZE_16;
437 if (mmc_id == 0) /* MCI0 */
438 atslave->cfg |= ATC_SRC_PER(AT_DMA_ID_MCI0)
439 | ATC_DST_PER(AT_DMA_ID_MCI0);
440
441 else /* MCI1 */
442 atslave->cfg |= ATC_SRC_PER(AT_DMA_ID_MCI1)
443 | ATC_DST_PER(AT_DMA_ID_MCI1);
444
445 data->dma_slave = alt_atslave;
446 }
447#endif
448
449
450 /* input/irq */
451 if (data->slot[0].detect_pin) {
452 at91_set_gpio_input(data->slot[0].detect_pin, 1);
453 at91_set_deglitch(data->slot[0].detect_pin, 1);
454 }
455 if (data->slot[0].wp_pin)
456 at91_set_gpio_input(data->slot[0].wp_pin, 1);
457
458 if (mmc_id == 0) { /* MCI0 */
459
460 /* CLK */
461 at91_set_A_periph(AT91_PIN_PA0, 0);
462
463 /* CMD */
464 at91_set_A_periph(AT91_PIN_PA1, 1);
465
466 /* DAT0, maybe DAT1..DAT3 and maybe DAT4..DAT7 */
467 at91_set_A_periph(AT91_PIN_PA2, 1);
468 if (data->slot[0].bus_width == 4) {
469 at91_set_A_periph(AT91_PIN_PA3, 1);
470 at91_set_A_periph(AT91_PIN_PA4, 1);
471 at91_set_A_periph(AT91_PIN_PA5, 1);
472 if (data->slot[0].bus_width == 8) {
473 at91_set_A_periph(AT91_PIN_PA6, 1);
474 at91_set_A_periph(AT91_PIN_PA7, 1);
475 at91_set_A_periph(AT91_PIN_PA8, 1);
476 at91_set_A_periph(AT91_PIN_PA9, 1);
477 }
478 }
479
480 mmc0_data = *data;
481 at91_clock_associate("mci0_clk", &at91sam9g45_mmc0_device.dev, "mci_clk");
482 platform_device_register(&at91sam9g45_mmc0_device);
483
484 } else { /* MCI1 */
485
486 /* CLK */
487 at91_set_A_periph(AT91_PIN_PA31, 0);
488
489 /* CMD */
490 at91_set_A_periph(AT91_PIN_PA22, 1);
491
492 /* DAT0, maybe DAT1..DAT3 and maybe DAT4..DAT7 */
493 at91_set_A_periph(AT91_PIN_PA23, 1);
494 if (data->slot[0].bus_width == 4) {
495 at91_set_A_periph(AT91_PIN_PA24, 1);
496 at91_set_A_periph(AT91_PIN_PA25, 1);
497 at91_set_A_periph(AT91_PIN_PA26, 1);
498 if (data->slot[0].bus_width == 8) {
499 at91_set_A_periph(AT91_PIN_PA27, 1);
500 at91_set_A_periph(AT91_PIN_PA28, 1);
501 at91_set_A_periph(AT91_PIN_PA29, 1);
502 at91_set_A_periph(AT91_PIN_PA30, 1);
503 }
504 }
505
506 mmc1_data = *data;
507 at91_clock_associate("mci1_clk", &at91sam9g45_mmc1_device.dev, "mci_clk");
508 platform_device_register(&at91sam9g45_mmc1_device);
509
510 }
511}
512#else
513void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {}
514#endif
515
516
517/* --------------------------------------------------------------------
353 * NAND / SmartMedia 518 * NAND / SmartMedia
354 * -------------------------------------------------------------------- */ 519 * -------------------------------------------------------------------- */
355 520
diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c
index 211c5c14a1e6..6a9d24e5ed8e 100644
--- a/arch/arm/mach-at91/at91sam9rl.c
+++ b/arch/arm/mach-at91/at91sam9rl.c
@@ -242,11 +242,6 @@ static struct at91_gpio_bank at91sam9rl_gpio[] = {
242 } 242 }
243}; 243};
244 244
245static void at91sam9rl_reset(void)
246{
247 at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
248}
249
250static void at91sam9rl_poweroff(void) 245static void at91sam9rl_poweroff(void)
251{ 246{
252 at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); 247 at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
@@ -281,7 +276,7 @@ void __init at91sam9rl_initialize(unsigned long main_clock)
281 /* Map SRAM */ 276 /* Map SRAM */
282 iotable_init(at91sam9rl_sram_desc, ARRAY_SIZE(at91sam9rl_sram_desc)); 277 iotable_init(at91sam9rl_sram_desc, ARRAY_SIZE(at91sam9rl_sram_desc));
283 278
284 at91_arch_reset = at91sam9rl_reset; 279 at91_arch_reset = at91sam9_alt_reset;
285 pm_power_off = at91sam9rl_poweroff; 280 pm_power_off = at91sam9rl_poweroff;
286 at91_extern_irq = (1 << AT91SAM9RL_ID_IRQ0); 281 at91_extern_irq = (1 << AT91SAM9RL_ID_IRQ0);
287 282
diff --git a/arch/arm/mach-at91/board-pcontrol-g20.c b/arch/arm/mach-at91/board-pcontrol-g20.c
new file mode 100644
index 000000000000..bba5a560e02b
--- /dev/null
+++ b/arch/arm/mach-at91/board-pcontrol-g20.c
@@ -0,0 +1,322 @@
1/*
2 * Copyright (C) 2010 Christian Glindkamp <christian.glindkamp@taskit.de>
3 * taskit GmbH
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19/*
20 * copied and adjusted from board-stamp9g20.c
21 * by Peter Gsellmann <pgsellmann@portner-elektronik.at>
22 */
23
24#include <linux/mm.h>
25#include <linux/platform_device.h>
26#include <linux/gpio.h>
27#include <linux/w1-gpio.h>
28
29#include <asm/mach-types.h>
30#include <asm/mach/arch.h>
31
32#include <mach/board.h>
33#include <mach/at91sam9_smc.h>
34
35#include "sam9_smc.h"
36#include "generic.h"
37
38
39static void __init pcontrol_g20_map_io(void)
40{
41 /* Initialize processor: 18.432 MHz crystal */
42 at91sam9260_initialize(18432000);
43
44 /* DGBU on ttyS0. (Rx, Tx) only TTL -> JTAG connector X7 17,19 ) */
45 at91_register_uart(0, 0, 0);
46
47 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) piggyback A2 */
48 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS
49 | ATMEL_UART_RTS);
50
51 /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) isolated RS485 X5 */
52 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS
53 | ATMEL_UART_RTS);
54
55 /* USART2 on ttyS3. (Rx, Tx) 9bit-Bus Multidrop-mode X4 */
56 at91_register_uart(AT91SAM9260_ID_US4, 3, 0);
57
58 /* set serial console to ttyS0 (ie, DBGU) */
59 at91_set_serial_console(0);
60}
61
62
63static void __init init_irq(void)
64{
65 at91sam9260_init_interrupts(NULL);
66}
67
68
69/*
70 * NAND flash 512MiB 1,8V 8-bit, sector size 128 KiB
71 */
72static struct atmel_nand_data __initdata nand_data = {
73 .ale = 21,
74 .cle = 22,
75 .rdy_pin = AT91_PIN_PC13,
76 .enable_pin = AT91_PIN_PC14,
77};
78
79/*
80 * Bus timings; unit = 7.57ns
81 */
82static struct sam9_smc_config __initdata nand_smc_config = {
83 .ncs_read_setup = 0,
84 .nrd_setup = 2,
85 .ncs_write_setup = 0,
86 .nwe_setup = 2,
87
88 .ncs_read_pulse = 4,
89 .nrd_pulse = 4,
90 .ncs_write_pulse = 4,
91 .nwe_pulse = 4,
92
93 .read_cycle = 7,
94 .write_cycle = 7,
95
96 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
97 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
98 .tdf_cycles = 3,
99};
100
101static struct sam9_smc_config __initdata pcontrol_smc_config[2] = { {
102 .ncs_read_setup = 16,
103 .nrd_setup = 18,
104 .ncs_write_setup = 16,
105 .nwe_setup = 18,
106
107 .ncs_read_pulse = 63,
108 .nrd_pulse = 55,
109 .ncs_write_pulse = 63,
110 .nwe_pulse = 55,
111
112 .read_cycle = 127,
113 .write_cycle = 127,
114
115 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
116 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_SELECT
117 | AT91_SMC_DBW_8 | AT91_SMC_PS_4
118 | AT91_SMC_TDFMODE,
119 .tdf_cycles = 3,
120}, {
121 .ncs_read_setup = 0,
122 .nrd_setup = 0,
123 .ncs_write_setup = 0,
124 .nwe_setup = 1,
125
126 .ncs_read_pulse = 8,
127 .nrd_pulse = 8,
128 .ncs_write_pulse = 5,
129 .nwe_pulse = 4,
130
131 .read_cycle = 8,
132 .write_cycle = 7,
133
134 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
135 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_SELECT
136 | AT91_SMC_DBW_16 | AT91_SMC_PS_8
137 | AT91_SMC_TDFMODE,
138 .tdf_cycles = 1,
139} };
140
141static void __init add_device_nand(void)
142{
143 /* configure chip-select 3 (NAND) */
144 sam9_smc_configure(3, &nand_smc_config);
145 at91_add_device_nand(&nand_data);
146}
147
148
149static void __init add_device_pcontrol(void)
150{
151 /* configure chip-select 4 (IO compatible to 8051 X4 ) */
152 sam9_smc_configure(4, &pcontrol_smc_config[0]);
153 /* configure chip-select 7 (FerroRAM 256KiBx16bit MR2A16A D4 ) */
154 sam9_smc_configure(7, &pcontrol_smc_config[1]);
155}
156
157
158/*
159 * MCI (SD/MMC)
160 * det_pin, wp_pin and vcc_pin are not connected
161 */
162#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
163static struct mci_platform_data __initdata mmc_data = {
164 .slot[0] = {
165 .bus_width = 4,
166 },
167};
168#else
169static struct at91_mmc_data __initdata mmc_data = {
170 .wire4 = 1,
171};
172#endif
173
174
175/*
176 * USB Host port
177 */
178static struct at91_usbh_data __initdata usbh_data = {
179 .ports = 2,
180};
181
182
183/*
184 * USB Device port
185 */
186static struct at91_udc_data __initdata pcontrol_g20_udc_data = {
187 .vbus_pin = AT91_PIN_PA22, /* Detect +5V bus voltage */
188 .pullup_pin = AT91_PIN_PA4, /* K-state, active low */
189};
190
191
192/*
193 * MACB Ethernet device
194 */
195static struct at91_eth_data __initdata macb_data = {
196 .phy_irq_pin = AT91_PIN_PA28,
197 .is_rmii = 1,
198};
199
200
201/*
202 * I2C devices: eeprom and phy/switch
203 */
204static struct i2c_board_info __initdata pcontrol_g20_i2c_devices[] = {
205{ /* D7 address width=2, 8KiB */
206 I2C_BOARD_INFO("24c64", 0x50)
207}, { /* D8 address width=1, 1 byte has 32 bits! */
208 I2C_BOARD_INFO("lan9303", 0x0a)
209}, };
210
211
212/*
213 * LEDs
214 */
215static struct gpio_led pcontrol_g20_leds[] = {
216 {
217 .name = "LED1", /* red H5 */
218 .gpio = AT91_PIN_PB18,
219 .active_low = 1,
220 .default_trigger = "none", /* supervisor */
221 }, {
222 .name = "LED2", /* yellow H7 */
223 .gpio = AT91_PIN_PB19,
224 .active_low = 1,
225 .default_trigger = "mmc0", /* SD-card activity */
226 }, {
227 .name = "LED3", /* green H2 */
228 .gpio = AT91_PIN_PB20,
229 .active_low = 1,
230 .default_trigger = "heartbeat", /* blinky */
231 }, {
232 .name = "LED4", /* red H3 */
233 .gpio = AT91_PIN_PC6,
234 .active_low = 1,
235 .default_trigger = "none", /* connection lost */
236 }, {
237 .name = "LED5", /* yellow H6 */
238 .gpio = AT91_PIN_PC7,
239 .active_low = 1,
240 .default_trigger = "none", /* unsent data */
241 }, {
242 .name = "LED6", /* green H1 */
243 .gpio = AT91_PIN_PC9,
244 .active_low = 1,
245 .default_trigger = "none", /* snafu */
246 }
247};
248
249
250/*
251 * SPI devices
252 */
253static struct spi_board_info pcontrol_g20_spi_devices[] = {
254 {
255 .modalias = "spidev", /* HMI port X4 */
256 .chip_select = 1,
257 .max_speed_hz = 50 * 1000 * 1000,
258 .bus_num = 0,
259 }, {
260 .modalias = "spidev", /* piggyback A2 */
261 .chip_select = 0,
262 .max_speed_hz = 50 * 1000 * 1000,
263 .bus_num = 1,
264 },
265};
266
267
268/*
269 * Dallas 1-Wire DS2431
270 */
271static struct w1_gpio_platform_data w1_gpio_pdata = {
272 .pin = AT91_PIN_PA29,
273 .is_open_drain = 1,
274};
275
276static struct platform_device w1_device = {
277 .name = "w1-gpio",
278 .id = -1,
279 .dev.platform_data = &w1_gpio_pdata,
280};
281
282static void add_wire1(void)
283{
284 at91_set_GPIO_periph(w1_gpio_pdata.pin, 1);
285 at91_set_multi_drive(w1_gpio_pdata.pin, 1);
286 platform_device_register(&w1_device);
287}
288
289
290static void __init pcontrol_g20_board_init(void)
291{
292 at91_add_device_serial();
293 add_device_nand();
294#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
295 at91_add_device_mci(0, &mmc_data);
296#else
297 at91_add_device_mmc(0, &mmc_data);
298#endif
299 at91_add_device_usbh(&usbh_data);
300 at91_add_device_eth(&macb_data);
301 at91_add_device_i2c(pcontrol_g20_i2c_devices,
302 ARRAY_SIZE(pcontrol_g20_i2c_devices));
303 add_wire1();
304 add_device_pcontrol();
305 at91_add_device_spi(pcontrol_g20_spi_devices,
306 ARRAY_SIZE(pcontrol_g20_spi_devices));
307 at91_add_device_udc(&pcontrol_g20_udc_data);
308 at91_gpio_leds(pcontrol_g20_leds,
309 ARRAY_SIZE(pcontrol_g20_leds));
310 /* piggyback A2 */
311 at91_set_gpio_output(AT91_PIN_PB31, 1);
312}
313
314
315MACHINE_START(PCONTROL_G20, "PControl G20")
316 /* Maintainer: pgsellmann@portner-elektronik.at */
317 .boot_params = AT91_SDRAM_BASE + 0x100,
318 .timer = &at91sam926x_timer,
319 .map_io = pcontrol_g20_map_io,
320 .init_irq = init_irq,
321 .init_machine = pcontrol_g20_board_init,
322MACHINE_END
diff --git a/arch/arm/mach-at91/board-sam9m10g45ek.c b/arch/arm/mach-at91/board-sam9m10g45ek.c
index 7913984f6de9..86ff4b52db32 100644
--- a/arch/arm/mach-at91/board-sam9m10g45ek.c
+++ b/arch/arm/mach-at91/board-sam9m10g45ek.c
@@ -24,7 +24,9 @@
24#include <linux/input.h> 24#include <linux/input.h>
25#include <linux/leds.h> 25#include <linux/leds.h>
26#include <linux/clk.h> 26#include <linux/clk.h>
27#include <linux/atmel-mci.h>
27 28
29#include <mach/hardware.h>
28#include <video/atmel_lcdc.h> 30#include <video/atmel_lcdc.h>
29 31
30#include <asm/setup.h> 32#include <asm/setup.h>
@@ -98,6 +100,25 @@ static struct spi_board_info ek_spi_devices[] = {
98 100
99 101
100/* 102/*
103 * MCI (SD/MMC)
104 */
105static struct mci_platform_data __initdata mci0_data = {
106 .slot[0] = {
107 .bus_width = 4,
108 .detect_pin = AT91_PIN_PD10,
109 },
110};
111
112static struct mci_platform_data __initdata mci1_data = {
113 .slot[0] = {
114 .bus_width = 4,
115 .detect_pin = AT91_PIN_PD11,
116 .wp_pin = AT91_PIN_PD29,
117 },
118};
119
120
121/*
101 * MACB Ethernet device 122 * MACB Ethernet device
102 */ 123 */
103static struct at91_eth_data __initdata ek_macb_data = { 124static struct at91_eth_data __initdata ek_macb_data = {
@@ -380,6 +401,9 @@ static void __init ek_board_init(void)
380 at91_add_device_usba(&ek_usba_udc_data); 401 at91_add_device_usba(&ek_usba_udc_data);
381 /* SPI */ 402 /* SPI */
382 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); 403 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
404 /* MMC */
405 at91_add_device_mci(0, &mci0_data);
406 at91_add_device_mci(1, &mci1_data);
383 /* Ethernet */ 407 /* Ethernet */
384 at91_add_device_eth(&ek_macb_data); 408 at91_add_device_eth(&ek_macb_data);
385 /* NAND */ 409 /* NAND */
diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h
index 65c3dc5ba0d0..0c66deb2db39 100644
--- a/arch/arm/mach-at91/generic.h
+++ b/arch/arm/mach-at91/generic.h
@@ -46,6 +46,9 @@ extern void __init at91_clock_associate(const char *id, struct device *dev, cons
46extern void at91_irq_suspend(void); 46extern void at91_irq_suspend(void);
47extern void at91_irq_resume(void); 47extern void at91_irq_resume(void);
48 48
49/* reset */
50extern void at91sam9_alt_reset(void);
51
49 /* GPIO */ 52 /* GPIO */
50#define AT91RM9200_PQFP 3 /* AT91RM9200 PQFP package has 3 banks */ 53#define AT91RM9200_PQFP 3 /* AT91RM9200 PQFP package has 3 banks */
51#define AT91RM9200_BGA 4 /* AT91RM9200 BGA package has 4 banks */ 54#define AT91RM9200_BGA 4 /* AT91RM9200 BGA package has 4 banks */
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 615668986480..dafbacc25eb1 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -258,16 +258,23 @@ static int at91_pm_enter(suspend_state_t state)
258 * NOTE: the Wait-for-Interrupt instruction needs to be 258 * NOTE: the Wait-for-Interrupt instruction needs to be
259 * in icache so no SDRAM accesses are needed until the 259 * in icache so no SDRAM accesses are needed until the
260 * wakeup IRQ occurs and self-refresh is terminated. 260 * wakeup IRQ occurs and self-refresh is terminated.
261 * For ARM 926 based chips, this requirement is weaker
262 * as at91sam9 can access a RAM in self-refresh mode.
261 */ 263 */
262 asm("b 1f; .align 5; 1:"); 264 asm volatile ( "mov r0, #0\n\t"
263 asm("mcr p15, 0, r0, c7, c10, 4"); /* drain write buffer */ 265 "b 1f\n\t"
266 ".align 5\n\t"
267 "1: mcr p15, 0, r0, c7, c10, 4\n\t"
268 : /* no output */
269 : /* no input */
270 : "r0");
264 saved_lpr = sdram_selfrefresh_enable(); 271 saved_lpr = sdram_selfrefresh_enable();
265 asm("mcr p15, 0, r0, c7, c0, 4"); /* wait for interrupt */ 272 wait_for_interrupt_enable();
266 sdram_selfrefresh_disable(saved_lpr); 273 sdram_selfrefresh_disable(saved_lpr);
267 break; 274 break;
268 275
269 case PM_SUSPEND_ON: 276 case PM_SUSPEND_ON:
270 asm("mcr p15, 0, r0, c7, c0, 4"); /* wait for interrupt */ 277 cpu_do_idle();
271 break; 278 break;
272 279
273 default: 280 default:
diff --git a/arch/arm/mach-at91/pm.h b/arch/arm/mach-at91/pm.h
index 8c87d0c1b8f8..ce9a20699111 100644
--- a/arch/arm/mach-at91/pm.h
+++ b/arch/arm/mach-at91/pm.h
@@ -21,6 +21,8 @@ static inline u32 sdram_selfrefresh_enable(void)
21} 21}
22 22
23#define sdram_selfrefresh_disable(saved_lpr) at91_sys_write(AT91_SDRAMC_LPR, saved_lpr) 23#define sdram_selfrefresh_disable(saved_lpr) at91_sys_write(AT91_SDRAMC_LPR, saved_lpr)
24#define wait_for_interrupt_enable() asm volatile ("mcr p15, 0, %0, c7, c0, 4" \
25 : : "r" (0))
24 26
25#elif defined(CONFIG_ARCH_AT91CAP9) 27#elif defined(CONFIG_ARCH_AT91CAP9)
26#include <mach/at91cap9_ddrsdr.h> 28#include <mach/at91cap9_ddrsdr.h>
@@ -38,6 +40,7 @@ static inline u32 sdram_selfrefresh_enable(void)
38} 40}
39 41
40#define sdram_selfrefresh_disable(saved_lpr) at91_ramc_write(0, AT91_DDRSDRC_LPR, saved_lpr) 42#define sdram_selfrefresh_disable(saved_lpr) at91_ramc_write(0, AT91_DDRSDRC_LPR, saved_lpr)
43#define wait_for_interrupt_enable() cpu_do_idle()
41 44
42#elif defined(CONFIG_ARCH_AT91SAM9G45) 45#elif defined(CONFIG_ARCH_AT91SAM9G45)
43#include <mach/at91sam9_ddrsdr.h> 46#include <mach/at91sam9_ddrsdr.h>
@@ -74,6 +77,7 @@ static inline u32 sdram_selfrefresh_enable(void)
74 at91_ramc_write(0, AT91_DDRSDRC_LPR, saved_lpr0); \ 77 at91_ramc_write(0, AT91_DDRSDRC_LPR, saved_lpr0); \
75 at91_ramc_write(1, AT91_DDRSDRC_LPR, saved_lpr1); \ 78 at91_ramc_write(1, AT91_DDRSDRC_LPR, saved_lpr1); \
76 } while (0) 79 } while (0)
80#define wait_for_interrupt_enable() cpu_do_idle()
77 81
78#else 82#else
79#include <mach/at91sam9_sdramc.h> 83#include <mach/at91sam9_sdramc.h>
@@ -98,5 +102,6 @@ static inline u32 sdram_selfrefresh_enable(void)
98} 102}
99 103
100#define sdram_selfrefresh_disable(saved_lpr) at91_ramc_write(0, AT91_SDRAMC_LPR, saved_lpr) 104#define sdram_selfrefresh_disable(saved_lpr) at91_ramc_write(0, AT91_SDRAMC_LPR, saved_lpr)
105#define wait_for_interrupt_enable() cpu_do_idle()
101 106
102#endif 107#endif
diff --git a/arch/arm/mach-at91/pm_slowclock.S b/arch/arm/mach-at91/pm_slowclock.S
index b6b00a1f6125..f7922a436172 100644
--- a/arch/arm/mach-at91/pm_slowclock.S
+++ b/arch/arm/mach-at91/pm_slowclock.S
@@ -124,6 +124,7 @@ ENTRY(at91_slow_clock)
124 ldr r5, .at91_va_base_ramc1 124 ldr r5, .at91_va_base_ramc1
125 125
126 /* Drain write buffer */ 126 /* Drain write buffer */
127 mov r0, #0
127 mcr p15, 0, r0, c7, c10, 4 128 mcr p15, 0, r0, c7, c10, 4
128 129
129#ifdef CONFIG_ARCH_AT91RM9200 130#ifdef CONFIG_ARCH_AT91RM9200
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 68d12794cfd9..1a0261160e56 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -237,7 +237,7 @@ endchoice
237 237
238config MMC_ATMELMCI_DMA 238config MMC_ATMELMCI_DMA
239 bool "Atmel MCI DMA support (EXPERIMENTAL)" 239 bool "Atmel MCI DMA support (EXPERIMENTAL)"
240 depends on MMC_ATMELMCI && AVR32 && DMA_ENGINE && EXPERIMENTAL 240 depends on MMC_ATMELMCI && (AVR32 || ARCH_AT91SAM9G45) && DMA_ENGINE && EXPERIMENTAL
241 help 241 help
242 Say Y here to have the Atmel MCI driver use a DMA engine to 242 Say Y here to have the Atmel MCI driver use a DMA engine to
243 do data transfers and thus increase the throughput and 243 do data transfers and thus increase the throughput and
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 48ca7132cc05..2785a0f16c9f 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -765,15 +765,15 @@ config RTC_DRV_AT32AP700X
765 AT32AP700x family processors. 765 AT32AP700x family processors.
766 766
767config RTC_DRV_AT91RM9200 767config RTC_DRV_AT91RM9200
768 tristate "AT91RM9200 or AT91SAM9RL" 768 tristate "AT91RM9200 or some AT91SAM9 RTC"
769 depends on ARCH_AT91RM9200 || ARCH_AT91SAM9RL 769 depends on ARCH_AT91RM9200 || ARCH_AT91SAM9RL || ARCH_AT91SAM9G45
770 help 770 help
771 Driver for the internal RTC (Realtime Clock) module found on 771 Driver for the internal RTC (Realtime Clock) module found on
772 Atmel AT91RM9200's and AT91SAM9RL chips. On SAM9RL chips 772 Atmel AT91RM9200's and some AT91SAM9 chips. On AT91SAM9 chips
773 this is powered by the backup power supply. 773 this is powered by the backup power supply.
774 774
775config RTC_DRV_AT91SAM9 775config RTC_DRV_AT91SAM9
776 tristate "AT91SAM9x/AT91CAP9" 776 tristate "AT91SAM9x/AT91CAP9 RTT as RTC"
777 depends on ARCH_AT91 && !(ARCH_AT91RM9200 || ARCH_AT91X40) 777 depends on ARCH_AT91 && !(ARCH_AT91RM9200 || ARCH_AT91X40)
778 help 778 help
779 RTC driver for the Atmel AT91SAM9x and AT91CAP9 internal RTT 779 RTC driver for the Atmel AT91SAM9x and AT91CAP9 internal RTT
@@ -781,8 +781,8 @@ config RTC_DRV_AT91SAM9
781 supply (such as a small coin cell battery), but do not need to 781 supply (such as a small coin cell battery), but do not need to
782 be used as RTCs. 782 be used as RTCs.
783 783
784 (On AT91SAM9rl chips you probably want to use the dedicated RTC 784 (On AT91SAM9rl and AT91SAM9G45 chips you probably want to use the
785 module and leave the RTT available for other uses.) 785 dedicated RTC module and leave the RTT available for other uses.)
786 786
787config RTC_DRV_AT91SAM9_RTT 787config RTC_DRV_AT91SAM9_RTT
788 int 788 int
generated by cgit v1.2.2 (git 2.25.0) at 2025-10-31 16:25:56 -0400