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-rw-r--r--arch/arm/mach-omap1/common.h2
-rw-r--r--arch/arm/mach-omap1/devices.c21
-rw-r--r--arch/arm/mach-omap1/reset.c41
-rw-r--r--arch/arm/mach-omap2/Makefile115
-rw-r--r--arch/arm/mach-omap2/am33xx.h1
-rw-r--r--arch/arm/mach-omap2/board-2430sdp.c2
-rw-r--r--arch/arm/mach-omap2/board-3430sdp.c2
-rw-r--r--arch/arm/mach-omap2/board-3630sdp.c2
-rw-r--r--arch/arm/mach-omap2/board-4430sdp.c2
-rw-r--r--arch/arm/mach-omap2/board-am3517crane.c2
-rw-r--r--arch/arm/mach-omap2/board-am3517evm.c2
-rw-r--r--arch/arm/mach-omap2/board-apollon.c2
-rw-r--r--arch/arm/mach-omap2/board-cm-t35.c18
-rw-r--r--arch/arm/mach-omap2/board-cm-t3517.c2
-rw-r--r--arch/arm/mach-omap2/board-devkit8000.c2
-rw-r--r--arch/arm/mach-omap2/board-generic.c10
-rw-r--r--arch/arm/mach-omap2/board-h4.c2
-rw-r--r--arch/arm/mach-omap2/board-igep0020.c4
-rw-r--r--arch/arm/mach-omap2/board-ldp.c2
-rw-r--r--arch/arm/mach-omap2/board-n8x0.c6
-rw-r--r--arch/arm/mach-omap2/board-omap3beagle.c2
-rw-r--r--arch/arm/mach-omap2/board-omap3evm.c2
-rw-r--r--arch/arm/mach-omap2/board-omap3logic.c4
-rw-r--r--arch/arm/mach-omap2/board-omap3pandora.c2
-rw-r--r--arch/arm/mach-omap2/board-omap3stalker.c2
-rw-r--r--arch/arm/mach-omap2/board-omap3touchbook.c2
-rw-r--r--arch/arm/mach-omap2/board-omap4panda.c2
-rw-r--r--arch/arm/mach-omap2/board-overo.c2
-rw-r--r--arch/arm/mach-omap2/board-rm680.c4
-rw-r--r--arch/arm/mach-omap2/board-rx51.c2
-rw-r--r--arch/arm/mach-omap2/board-ti8168evm.c4
-rw-r--r--arch/arm/mach-omap2/board-zoom.c4
-rw-r--r--arch/arm/mach-omap2/clkt2xxx_apll.c59
-rw-r--r--arch/arm/mach-omap2/clkt2xxx_dpll.c2
-rw-r--r--arch/arm/mach-omap2/clkt2xxx_dpllcore.c36
-rw-r--r--arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c70
-rw-r--r--arch/arm/mach-omap2/clkt_iclk.c1
-rw-r--r--arch/arm/mach-omap2/clock.c60
-rw-r--r--arch/arm/mach-omap2/clock.h28
-rw-r--r--arch/arm/mach-omap2/clock2420_data.c28
-rw-r--r--arch/arm/mach-omap2/clock2430.c2
-rw-r--r--arch/arm/mach-omap2/clock2430_data.c28
-rw-r--r--arch/arm/mach-omap2/clock2xxx.c16
-rw-r--r--arch/arm/mach-omap2/clock2xxx.h9
-rw-r--r--arch/arm/mach-omap2/clock34xx.c2
-rw-r--r--arch/arm/mach-omap2/clock3517.c2
-rw-r--r--arch/arm/mach-omap2/clock3xxx_data.c2
-rw-r--r--arch/arm/mach-omap2/clockdomain2xxx_3xxx.c341
-rw-r--r--arch/arm/mach-omap2/clockdomain33xx.c74
-rw-r--r--arch/arm/mach-omap2/clockdomain44xx.c151
-rw-r--r--arch/arm/mach-omap2/cm-regbits-24xx.h2
-rw-r--r--arch/arm/mach-omap2/cm.h30
-rw-r--r--arch/arm/mach-omap2/cm2xxx.c381
-rw-r--r--arch/arm/mach-omap2/cm2xxx.h70
-rw-r--r--arch/arm/mach-omap2/cm2xxx_3xxx.h125
-rw-r--r--arch/arm/mach-omap2/cm33xx.c56
-rw-r--r--arch/arm/mach-omap2/cm3xxx.c (renamed from arch/arm/mach-omap2/cm2xxx_3xxx.c)371
-rw-r--r--arch/arm/mach-omap2/cm3xxx.h91
-rw-r--r--arch/arm/mach-omap2/cm_common.c140
-rw-r--r--arch/arm/mach-omap2/cminst44xx.c142
-rw-r--r--arch/arm/mach-omap2/cminst44xx.h2
-rw-r--r--arch/arm/mach-omap2/common.c183
-rw-r--r--arch/arm/mach-omap2/common.h133
-rw-r--r--arch/arm/mach-omap2/control.c14
-rw-r--r--arch/arm/mach-omap2/control.h2
-rw-r--r--arch/arm/mach-omap2/cpuidle34xx.c1
-rw-r--r--arch/arm/mach-omap2/devices.c26
-rw-r--r--arch/arm/mach-omap2/display.c2
-rw-r--r--arch/arm/mach-omap2/hdq1w.c4
-rw-r--r--arch/arm/mach-omap2/i2c.c6
-rw-r--r--arch/arm/mach-omap2/id.c7
-rw-r--r--arch/arm/mach-omap2/io.c85
-rw-r--r--arch/arm/mach-omap2/mcbsp.c2
-rw-r--r--arch/arm/mach-omap2/msdi.c4
-rw-r--r--arch/arm/mach-omap2/omap2-restart.c65
-rw-r--r--arch/arm/mach-omap2/omap3-restart.c36
-rw-r--r--arch/arm/mach-omap2/omap4-common.c19
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c59
-rw-r--r--arch/arm/mach-omap2/pm24xx.c4
-rw-r--r--arch/arm/mach-omap2/pm34xx.c6
-rw-r--r--arch/arm/mach-omap2/powerdomain.c2
-rw-r--r--arch/arm/mach-omap2/powerdomain2xxx_3xxx.c242
-rw-r--r--arch/arm/mach-omap2/powerdomain33xx.c229
-rw-r--r--arch/arm/mach-omap2/powerdomain44xx.c285
-rw-r--r--arch/arm/mach-omap2/prcm-common.h22
-rw-r--r--arch/arm/mach-omap2/prcm.c189
-rw-r--r--arch/arm/mach-omap2/prcm_mpu44xx.c17
-rw-r--r--arch/arm/mach-omap2/prcm_mpu44xx.h9
-rw-r--r--arch/arm/mach-omap2/prm-regbits-24xx.h6
-rw-r--r--arch/arm/mach-omap2/prm-regbits-34xx.h12
-rw-r--r--arch/arm/mach-omap2/prm.h77
-rw-r--r--arch/arm/mach-omap2/prm2xxx.c139
-rw-r--r--arch/arm/mach-omap2/prm2xxx.h134
-rw-r--r--arch/arm/mach-omap2/prm2xxx_3xxx.c332
-rw-r--r--arch/arm/mach-omap2/prm2xxx_3xxx.h284
-rw-r--r--arch/arm/mach-omap2/prm33xx.c202
-rw-r--r--arch/arm/mach-omap2/prm3xxx.c417
-rw-r--r--arch/arm/mach-omap2/prm3xxx.h162
-rw-r--r--arch/arm/mach-omap2/prm44xx.c356
-rw-r--r--arch/arm/mach-omap2/prm44xx.h2
-rw-r--r--arch/arm/mach-omap2/prm_common.c117
-rw-r--r--arch/arm/mach-omap2/prminst44xx.h2
-rw-r--r--arch/arm/mach-omap2/sdrc.c8
-rw-r--r--arch/arm/mach-omap2/sdrc.h2
-rw-r--r--arch/arm/mach-omap2/sdrc2xxx.c2
-rw-r--r--arch/arm/mach-omap2/sleep34xx.S4
-rw-r--r--arch/arm/mach-omap2/sram242x.S4
-rw-r--r--arch/arm/mach-omap2/sram243x.S4
-rw-r--r--arch/arm/mach-omap2/sram34xx.S2
-rw-r--r--arch/arm/mach-omap2/ti81xx.h9
-rw-r--r--arch/arm/mach-omap2/wd_timer.c40
-rw-r--r--arch/arm/plat-omap/include/plat/prcm.h37
112 files changed, 3678 insertions, 2922 deletions
diff --git a/arch/arm/mach-omap1/common.h b/arch/arm/mach-omap1/common.h
index fc8c9449eba8..b53e0854422f 100644
--- a/arch/arm/mach-omap1/common.h
+++ b/arch/arm/mach-omap1/common.h
@@ -93,4 +93,6 @@ extern int ocpi_enable(void);
93static inline int ocpi_enable(void) { return 0; } 93static inline int ocpi_enable(void) { return 0; }
94#endif 94#endif
95 95
96extern u32 omap1_get_reset_sources(void);
97
96#endif /* __ARCH_ARM_MACH_OMAP1_COMMON_H */ 98#endif /* __ARCH_ARM_MACH_OMAP1_COMMON_H */
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index 7155ed8b97f8..0af635205e8a 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -17,6 +17,8 @@
17#include <linux/platform_device.h> 17#include <linux/platform_device.h>
18#include <linux/spi/spi.h> 18#include <linux/spi/spi.h>
19 19
20#include <linux/platform_data/omap-wd-timer.h>
21
20#include <asm/mach/map.h> 22#include <asm/mach/map.h>
21 23
22#include <mach/tc.h> 24#include <mach/tc.h>
@@ -447,18 +449,31 @@ static struct resource wdt_resources[] = {
447}; 449};
448 450
449static struct platform_device omap_wdt_device = { 451static struct platform_device omap_wdt_device = {
450 .name = "omap_wdt", 452 .name = "omap_wdt",
451 .id = -1, 453 .id = -1,
452 .num_resources = ARRAY_SIZE(wdt_resources), 454 .num_resources = ARRAY_SIZE(wdt_resources),
453 .resource = wdt_resources, 455 .resource = wdt_resources,
454}; 456};
455 457
456static int __init omap_init_wdt(void) 458static int __init omap_init_wdt(void)
457{ 459{
460 struct omap_wd_timer_platform_data pdata;
461 int ret;
462
458 if (!cpu_is_omap16xx()) 463 if (!cpu_is_omap16xx())
459 return -ENODEV; 464 return -ENODEV;
460 465
461 return platform_device_register(&omap_wdt_device); 466 pdata.read_reset_sources = omap1_get_reset_sources;
467
468 ret = platform_device_register(&omap_wdt_device);
469 if (!ret) {
470 ret = platform_device_add_data(&omap_wdt_device, &pdata,
471 sizeof(pdata));
472 if (ret)
473 platform_device_del(&omap_wdt_device);
474 }
475
476 return ret;
462} 477}
463subsys_initcall(omap_init_wdt); 478subsys_initcall(omap_init_wdt);
464#endif 479#endif
diff --git a/arch/arm/mach-omap1/reset.c b/arch/arm/mach-omap1/reset.c
index b17709103866..5eebd7e889d0 100644
--- a/arch/arm/mach-omap1/reset.c
+++ b/arch/arm/mach-omap1/reset.c
@@ -4,12 +4,24 @@
4#include <linux/kernel.h> 4#include <linux/kernel.h>
5#include <linux/io.h> 5#include <linux/io.h>
6 6
7#include <plat/prcm.h>
8
9#include <mach/hardware.h> 7#include <mach/hardware.h>
10 8
9#include "iomap.h"
11#include "common.h" 10#include "common.h"
12 11
12/* ARM_SYSST bit shifts related to SoC reset sources */
13#define ARM_SYSST_POR_SHIFT 5
14#define ARM_SYSST_EXT_RST_SHIFT 4
15#define ARM_SYSST_ARM_WDRST_SHIFT 2
16#define ARM_SYSST_GLOB_SWRST_SHIFT 1
17
18/* Standardized reset source bits (across all OMAP SoCs) */
19#define OMAP_GLOBAL_COLD_RST_SRC_ID_SHIFT 0
20#define OMAP_GLOBAL_WARM_RST_SRC_ID_SHIFT 1
21#define OMAP_MPU_WD_RST_SRC_ID_SHIFT 3
22#define OMAP_EXTWARM_RST_SRC_ID_SHIFT 5
23
24
13void omap1_restart(char mode, const char *cmd) 25void omap1_restart(char mode, const char *cmd)
14{ 26{
15 /* 27 /*
@@ -23,3 +35,28 @@ void omap1_restart(char mode, const char *cmd)
23 35
24 omap_writew(1, ARM_RSTCT1); 36 omap_writew(1, ARM_RSTCT1);
25} 37}
38
39/**
40 * omap1_get_reset_sources - return the source of the SoC's last reset
41 *
42 * Returns bits that represent the last reset source for the SoC. The
43 * format is standardized across OMAPs for use by the OMAP watchdog.
44 */
45u32 omap1_get_reset_sources(void)
46{
47 u32 ret = 0;
48 u16 rs;
49
50 rs = __raw_readw(OMAP1_IO_ADDRESS(ARM_SYSST));
51
52 if (rs & (1 << ARM_SYSST_POR_SHIFT))
53 ret |= 1 << OMAP_GLOBAL_COLD_RST_SRC_ID_SHIFT;
54 if (rs & (1 << ARM_SYSST_EXT_RST_SHIFT))
55 ret |= 1 << OMAP_EXTWARM_RST_SRC_ID_SHIFT;
56 if (rs & (1 << ARM_SYSST_ARM_WDRST_SHIFT))
57 ret |= 1 << OMAP_MPU_WD_RST_SRC_ID_SHIFT;
58 if (rs & (1 << ARM_SYSST_GLOB_SWRST_SHIFT))
59 ret |= 1 << OMAP_GLOBAL_WARM_RST_SRC_ID_SHIFT;
60
61 return ret;
62}
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index b118ed5f61a9..78cbb8c5992e 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -7,28 +7,34 @@ obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer.o pm.o \
7 common.o gpio.o dma.o wd_timer.o display.o i2c.o hdq1w.o omap_hwmod.o \ 7 common.o gpio.o dma.o wd_timer.o display.o i2c.o hdq1w.o omap_hwmod.o \
8 omap_device.o sram.o 8 omap_device.o sram.o
9 9
10# INTCPS IP block support - XXX should be moved to drivers/ 10omap-2-3-common = irq.o
11obj-$(CONFIG_ARCH_OMAP2) += irq.o 11hwmod-common = omap_hwmod.o \
12obj-$(CONFIG_ARCH_OMAP3) += irq.o 12 omap_hwmod_common_data.o
13obj-$(CONFIG_SOC_AM33XX) += irq.o 13clock-common = clock.o clock_common_data.o \
14 14 clkt_dpll.o clkt_clksel.o
15# Secure monitor API support 15secure-common = omap-smc.o omap-secure.o
16obj-$(CONFIG_ARCH_OMAP3) += omap-smc.o omap-secure.o 16
17obj-$(CONFIG_ARCH_OMAP4) += omap-smc.o omap-secure.o 17obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(hwmod-common)
18obj-$(CONFIG_SOC_OMAP5) += omap-smc.o omap-secure.o 18obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common) $(hwmod-common) $(secure-common)
19obj-$(CONFIG_ARCH_OMAP4) += prm44xx.o $(hwmod-common) $(secure-common)
20obj-$(CONFIG_SOC_AM33XX) += irq.o $(hwmod-common)
21obj-$(CONFIG_SOC_OMAP5) += prm44xx.o $(hwmod-common) $(secure-common)
19 22
20ifneq ($(CONFIG_SND_OMAP_SOC_MCBSP),) 23ifneq ($(CONFIG_SND_OMAP_SOC_MCBSP),)
21obj-y += mcbsp.o 24obj-y += mcbsp.o
22endif 25endif
23 26
24obj-$(CONFIG_TWL4030_CORE) += omap_twl.o 27obj-$(CONFIG_TWL4030_CORE) += omap_twl.o
28obj-$(CONFIG_SOC_HAS_OMAP2_SDRC) += sdrc.o
25 29
26# SMP support ONLY available for OMAP4 30# SMP support ONLY available for OMAP4
27 31
28obj-$(CONFIG_SMP) += omap-smp.o omap-headsmp.o 32obj-$(CONFIG_SMP) += omap-smp.o omap-headsmp.o
29obj-$(CONFIG_HOTPLUG_CPU) += omap-hotplug.o 33obj-$(CONFIG_HOTPLUG_CPU) += omap-hotplug.o
30obj-$(CONFIG_ARCH_OMAP4) += omap4-common.o omap-wakeupgen.o 34omap-4-5-common = omap4-common.o omap-wakeupgen.o \
31obj-$(CONFIG_SOC_OMAP5) += omap4-common.o omap-wakeupgen.o 35 sleep44xx.o
36obj-$(CONFIG_ARCH_OMAP4) += $(omap-4-5-common)
37obj-$(CONFIG_SOC_OMAP5) += $(omap-4-5-common)
32 38
33plus_sec := $(call as-instr,.arch_extension sec,+sec) 39plus_sec := $(call as-instr,.arch_extension sec,+sec)
34AFLAGS_omap-headsmp.o :=-Wa,-march=armv7-a$(plus_sec) 40AFLAGS_omap-headsmp.o :=-Wa,-march=armv7-a$(plus_sec)
@@ -44,6 +50,11 @@ AFLAGS_sram242x.o :=-Wa,-march=armv6
44AFLAGS_sram243x.o :=-Wa,-march=armv6 50AFLAGS_sram243x.o :=-Wa,-march=armv6
45AFLAGS_sram34xx.o :=-Wa,-march=armv7-a 51AFLAGS_sram34xx.o :=-Wa,-march=armv7-a
46 52
53# Restart code (OMAP4/5 currently in omap4-common.c)
54obj-$(CONFIG_SOC_OMAP2420) += omap2-restart.o
55obj-$(CONFIG_SOC_OMAP2430) += omap2-restart.o
56obj-$(CONFIG_ARCH_OMAP3) += omap3-restart.o
57
47# Pin multiplexing 58# Pin multiplexing
48obj-$(CONFIG_SOC_OMAP2420) += mux2420.o 59obj-$(CONFIG_SOC_OMAP2420) += mux2420.o
49obj-$(CONFIG_SOC_OMAP2430) += mux2430.o 60obj-$(CONFIG_SOC_OMAP2430) += mux2430.o
@@ -53,7 +64,6 @@ obj-$(CONFIG_ARCH_OMAP4) += mux44xx.o
53# SMS/SDRC 64# SMS/SDRC
54obj-$(CONFIG_ARCH_OMAP2) += sdrc2xxx.o 65obj-$(CONFIG_ARCH_OMAP2) += sdrc2xxx.o
55# obj-$(CONFIG_ARCH_OMAP3) += sdrc3xxx.o 66# obj-$(CONFIG_ARCH_OMAP3) += sdrc3xxx.o
56obj-$(CONFIG_SOC_HAS_OMAP2_SDRC) += sdrc.o
57 67
58# OPP table initialization 68# OPP table initialization
59ifeq ($(CONFIG_PM_OPP),y) 69ifeq ($(CONFIG_PM_OPP),y)
@@ -64,16 +74,16 @@ endif
64 74
65# Power Management 75# Power Management
66ifeq ($(CONFIG_PM),y) 76ifeq ($(CONFIG_PM),y)
67obj-$(CONFIG_ARCH_OMAP2) += pm24xx.o sleep24xx.o 77obj-$(CONFIG_ARCH_OMAP2) += pm24xx.o
78obj-$(CONFIG_ARCH_OMAP2) += sleep24xx.o
68obj-$(CONFIG_ARCH_OMAP3) += pm34xx.o sleep34xx.o 79obj-$(CONFIG_ARCH_OMAP3) += pm34xx.o sleep34xx.o
69obj-$(CONFIG_ARCH_OMAP4) += pm44xx.o omap-mpuss-lowpower.o 80obj-$(CONFIG_ARCH_OMAP4) += pm44xx.o omap-mpuss-lowpower.o
70obj-$(CONFIG_ARCH_OMAP4) += sleep44xx.o 81obj-$(CONFIG_SOC_OMAP5) += omap-mpuss-lowpower.o
71obj-$(CONFIG_SOC_OMAP5) += omap-mpuss-lowpower.o sleep44xx.o
72obj-$(CONFIG_PM_DEBUG) += pm-debug.o 82obj-$(CONFIG_PM_DEBUG) += pm-debug.o
73obj-$(CONFIG_OMAP_PM_NOOP) += omap-pm-noop.o 83obj-$(CONFIG_OMAP_PM_NOOP) += omap-pm-noop.o
74 84
75obj-$(CONFIG_POWER_AVS_OMAP) += sr_device.o 85obj-$(CONFIG_POWER_AVS_OMAP) += sr_device.o
76obj-$(CONFIG_POWER_AVS_OMAP_CLASS3) += smartreflex-class3.o 86obj-$(CONFIG_POWER_AVS_OMAP_CLASS3) += smartreflex-class3.o
77 87
78AFLAGS_sleep24xx.o :=-Wa,-march=armv6 88AFLAGS_sleep24xx.o :=-Wa,-march=armv6
79AFLAGS_sleep34xx.o :=-Wa,-march=armv7-a$(plus_sec) 89AFLAGS_sleep34xx.o :=-Wa,-march=armv7-a$(plus_sec)
@@ -85,76 +95,82 @@ endif
85endif 95endif
86 96
87ifeq ($(CONFIG_CPU_IDLE),y) 97ifeq ($(CONFIG_CPU_IDLE),y)
88obj-$(CONFIG_ARCH_OMAP3) += cpuidle34xx.o 98obj-$(CONFIG_ARCH_OMAP3) += cpuidle34xx.o
89obj-$(CONFIG_ARCH_OMAP4) += cpuidle44xx.o 99obj-$(CONFIG_ARCH_OMAP4) += cpuidle44xx.o
90endif 100endif
91 101
92# PRCM 102# PRCM
93obj-y += prcm.o prm_common.o 103obj-y += prm_common.o cm_common.o
94obj-$(CONFIG_ARCH_OMAP2) += cm2xxx_3xxx.o prm2xxx_3xxx.o 104obj-$(CONFIG_ARCH_OMAP2) += prm2xxx_3xxx.o prm2xxx.o cm2xxx.o
95obj-$(CONFIG_ARCH_OMAP3) += cm2xxx_3xxx.o prm2xxx_3xxx.o 105obj-$(CONFIG_ARCH_OMAP3) += prm2xxx_3xxx.o prm3xxx.o cm3xxx.o
96obj-$(CONFIG_ARCH_OMAP3) += vc3xxx_data.o vp3xxx_data.o 106obj-$(CONFIG_ARCH_OMAP3) += vc3xxx_data.o vp3xxx_data.o
97obj-$(CONFIG_SOC_AM33XX) += prm33xx.o cm33xx.o 107obj-$(CONFIG_SOC_AM33XX) += prm33xx.o cm33xx.o
98omap-prcm-4-5-common = cminst44xx.o cm44xx.o prm44xx.o \ 108omap-prcm-4-5-common = cminst44xx.o cm44xx.o prm44xx.o \
99 prcm_mpu44xx.o prminst44xx.o \ 109 prcm_mpu44xx.o prminst44xx.o \
100 vc44xx_data.o vp44xx_data.o \ 110 vc44xx_data.o vp44xx_data.o
101 prm44xx.o
102obj-$(CONFIG_ARCH_OMAP4) += $(omap-prcm-4-5-common) 111obj-$(CONFIG_ARCH_OMAP4) += $(omap-prcm-4-5-common)
103obj-$(CONFIG_SOC_OMAP5) += $(omap-prcm-4-5-common) 112obj-$(CONFIG_SOC_OMAP5) += $(omap-prcm-4-5-common)
104 113
105# OMAP voltage domains 114# OMAP voltage domains
106obj-y += voltage.o vc.o vp.o 115voltagedomain-common := voltage.o vc.o vp.o
116obj-$(CONFIG_ARCH_OMAP2) += $(voltagedomain-common)
107obj-$(CONFIG_ARCH_OMAP2) += voltagedomains2xxx_data.o 117obj-$(CONFIG_ARCH_OMAP2) += voltagedomains2xxx_data.o
118obj-$(CONFIG_ARCH_OMAP3) += $(voltagedomain-common)
108obj-$(CONFIG_ARCH_OMAP3) += voltagedomains3xxx_data.o 119obj-$(CONFIG_ARCH_OMAP3) += voltagedomains3xxx_data.o
120obj-$(CONFIG_ARCH_OMAP4) += $(voltagedomain-common)
109obj-$(CONFIG_ARCH_OMAP4) += voltagedomains44xx_data.o 121obj-$(CONFIG_ARCH_OMAP4) += voltagedomains44xx_data.o
110obj-$(CONFIG_SOC_AM33XX) += voltagedomains33xx_data.o 122obj-$(CONFIG_SOC_AM33XX) += $(voltagedomain-common)
123obj-$(CONFIG_SOC_AM33XX) += voltagedomains33xx_data.o
124obj-$(CONFIG_SOC_OMAP5) += $(voltagedomain-common)
111 125
112# OMAP powerdomain framework 126# OMAP powerdomain framework
113obj-y += powerdomain.o powerdomain-common.o 127powerdomain-common += powerdomain.o powerdomain-common.o
128obj-$(CONFIG_ARCH_OMAP2) += $(powerdomain-common)
114obj-$(CONFIG_ARCH_OMAP2) += powerdomains2xxx_data.o 129obj-$(CONFIG_ARCH_OMAP2) += powerdomains2xxx_data.o
115obj-$(CONFIG_ARCH_OMAP2) += powerdomain2xxx_3xxx.o
116obj-$(CONFIG_ARCH_OMAP2) += powerdomains2xxx_3xxx_data.o 130obj-$(CONFIG_ARCH_OMAP2) += powerdomains2xxx_3xxx_data.o
117obj-$(CONFIG_ARCH_OMAP3) += powerdomain2xxx_3xxx.o 131obj-$(CONFIG_ARCH_OMAP3) += $(powerdomain-common)
118obj-$(CONFIG_ARCH_OMAP3) += powerdomains3xxx_data.o 132obj-$(CONFIG_ARCH_OMAP3) += powerdomains3xxx_data.o
119obj-$(CONFIG_ARCH_OMAP3) += powerdomains2xxx_3xxx_data.o 133obj-$(CONFIG_ARCH_OMAP3) += powerdomains2xxx_3xxx_data.o
120obj-$(CONFIG_ARCH_OMAP4) += powerdomain44xx.o 134obj-$(CONFIG_ARCH_OMAP4) += $(powerdomain-common)
121obj-$(CONFIG_ARCH_OMAP4) += powerdomains44xx_data.o 135obj-$(CONFIG_ARCH_OMAP4) += powerdomains44xx_data.o
122obj-$(CONFIG_SOC_AM33XX) += powerdomain33xx.o 136obj-$(CONFIG_SOC_AM33XX) += $(powerdomain-common)
123obj-$(CONFIG_SOC_AM33XX) += powerdomains33xx_data.o 137obj-$(CONFIG_SOC_AM33XX) += powerdomains33xx_data.o
124obj-$(CONFIG_SOC_OMAP5) += powerdomain44xx.o 138obj-$(CONFIG_SOC_OMAP5) += $(powerdomain-common)
125 139
126# PRCM clockdomain control 140# PRCM clockdomain control
127obj-y += clockdomain.o 141clockdomain-common += clockdomain.o
128obj-$(CONFIG_ARCH_OMAP2) += clockdomain2xxx_3xxx.o 142obj-$(CONFIG_ARCH_OMAP2) += $(clockdomain-common)
129obj-$(CONFIG_ARCH_OMAP2) += clockdomains2xxx_3xxx_data.o 143obj-$(CONFIG_ARCH_OMAP2) += clockdomains2xxx_3xxx_data.o
130obj-$(CONFIG_SOC_OMAP2420) += clockdomains2420_data.o 144obj-$(CONFIG_SOC_OMAP2420) += clockdomains2420_data.o
131obj-$(CONFIG_SOC_OMAP2430) += clockdomains2430_data.o 145obj-$(CONFIG_SOC_OMAP2430) += clockdomains2430_data.o
132obj-$(CONFIG_ARCH_OMAP3) += clockdomain2xxx_3xxx.o 146obj-$(CONFIG_ARCH_OMAP3) += $(clockdomain-common)
133obj-$(CONFIG_ARCH_OMAP3) += clockdomains2xxx_3xxx_data.o 147obj-$(CONFIG_ARCH_OMAP3) += clockdomains2xxx_3xxx_data.o
134obj-$(CONFIG_ARCH_OMAP3) += clockdomains3xxx_data.o 148obj-$(CONFIG_ARCH_OMAP3) += clockdomains3xxx_data.o
135obj-$(CONFIG_ARCH_OMAP4) += clockdomain44xx.o 149obj-$(CONFIG_ARCH_OMAP4) += $(clockdomain-common)
136obj-$(CONFIG_ARCH_OMAP4) += clockdomains44xx_data.o 150obj-$(CONFIG_ARCH_OMAP4) += clockdomains44xx_data.o
137obj-$(CONFIG_SOC_AM33XX) += clockdomain33xx.o 151obj-$(CONFIG_SOC_AM33XX) += $(clockdomain-common)
138obj-$(CONFIG_SOC_AM33XX) += clockdomains33xx_data.o 152obj-$(CONFIG_SOC_AM33XX) += clockdomains33xx_data.o
139obj-$(CONFIG_SOC_OMAP5) += clockdomain44xx.o 153obj-$(CONFIG_SOC_OMAP5) += $(clockdomain-common)
140 154
141# Clock framework 155# Clock framework
142obj-y += clock.o clock_common_data.o \ 156obj-$(CONFIG_ARCH_OMAP2) += $(clock-common) clock2xxx.o
143 clkt_dpll.o clkt_clksel.o 157obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_sys.o
144obj-$(CONFIG_ARCH_OMAP2) += clock2xxx.o 158obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_dpllcore.o
145obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_dpllcore.o clkt2xxx_sys.o
146obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_virt_prcm_set.o 159obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_virt_prcm_set.o
147obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_apll.o clkt2xxx_osc.o 160obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_apll.o clkt2xxx_osc.o
148obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_dpll.o clkt_iclk.o 161obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_dpll.o clkt_iclk.o
149obj-$(CONFIG_SOC_OMAP2420) += clock2420_data.o 162obj-$(CONFIG_SOC_OMAP2420) += clock2420_data.o
150obj-$(CONFIG_SOC_OMAP2430) += clock2430.o clock2430_data.o 163obj-$(CONFIG_SOC_OMAP2430) += clock2430.o clock2430_data.o
151obj-$(CONFIG_ARCH_OMAP3) += clock3xxx.o 164obj-$(CONFIG_ARCH_OMAP3) += $(clock-common) clock3xxx.o
152obj-$(CONFIG_ARCH_OMAP3) += clock34xx.o clkt34xx_dpll3m2.o 165obj-$(CONFIG_ARCH_OMAP3) += clock34xx.o clkt34xx_dpll3m2.o
153obj-$(CONFIG_ARCH_OMAP3) += clock3517.o clock36xx.o clkt_iclk.o 166obj-$(CONFIG_ARCH_OMAP3) += clock3517.o clock36xx.o
154obj-$(CONFIG_ARCH_OMAP3) += dpll3xxx.o clock3xxx_data.o 167obj-$(CONFIG_ARCH_OMAP3) += dpll3xxx.o clock3xxx_data.o
155obj-$(CONFIG_ARCH_OMAP4) += clock44xx_data.o 168obj-$(CONFIG_ARCH_OMAP3) += clkt_iclk.o
169obj-$(CONFIG_ARCH_OMAP4) += $(clock-common) clock44xx_data.o
156obj-$(CONFIG_ARCH_OMAP4) += dpll3xxx.o dpll44xx.o 170obj-$(CONFIG_ARCH_OMAP4) += dpll3xxx.o dpll44xx.o
157obj-$(CONFIG_SOC_AM33XX) += dpll3xxx.o clock33xx_data.o 171obj-$(CONFIG_SOC_AM33XX) += $(clock-common) dpll3xxx.o
172obj-$(CONFIG_SOC_AM33XX) += clock33xx_data.o
173obj-$(CONFIG_SOC_OMAP5) += $(clock-common)
158obj-$(CONFIG_SOC_OMAP5) += dpll3xxx.o dpll44xx.o 174obj-$(CONFIG_SOC_OMAP5) += dpll3xxx.o dpll44xx.o
159 175
160# OMAP2 clock rate set data (old "OPP" data) 176# OMAP2 clock rate set data (old "OPP" data)
@@ -162,7 +178,6 @@ obj-$(CONFIG_SOC_OMAP2420) += opp2420_data.o
162obj-$(CONFIG_SOC_OMAP2430) += opp2430_data.o 178obj-$(CONFIG_SOC_OMAP2430) += opp2430_data.o
163 179
164# hwmod data 180# hwmod data
165obj-y += omap_hwmod_common_data.o
166obj-$(CONFIG_SOC_OMAP2420) += omap_hwmod_2xxx_ipblock_data.o 181obj-$(CONFIG_SOC_OMAP2420) += omap_hwmod_2xxx_ipblock_data.o
167obj-$(CONFIG_SOC_OMAP2420) += omap_hwmod_2xxx_3xxx_ipblock_data.o 182obj-$(CONFIG_SOC_OMAP2420) += omap_hwmod_2xxx_3xxx_ipblock_data.o
168obj-$(CONFIG_SOC_OMAP2420) += omap_hwmod_2xxx_interconnect_data.o 183obj-$(CONFIG_SOC_OMAP2420) += omap_hwmod_2xxx_interconnect_data.o
@@ -208,10 +223,10 @@ obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o
208obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o 223obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o
209obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o 224obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o
210obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o 225obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o
211obj-$(CONFIG_MACH_DEVKIT8000) += board-devkit8000.o 226obj-$(CONFIG_MACH_DEVKIT8000) += board-devkit8000.o
212obj-$(CONFIG_MACH_OMAP_LDP) += board-ldp.o 227obj-$(CONFIG_MACH_OMAP_LDP) += board-ldp.o
213obj-$(CONFIG_MACH_OMAP3530_LV_SOM) += board-omap3logic.o 228obj-$(CONFIG_MACH_OMAP3530_LV_SOM) += board-omap3logic.o
214obj-$(CONFIG_MACH_OMAP3_TORPEDO) += board-omap3logic.o 229obj-$(CONFIG_MACH_OMAP3_TORPEDO) += board-omap3logic.o
215obj-$(CONFIG_MACH_ENCORE) += board-omap3encore.o 230obj-$(CONFIG_MACH_ENCORE) += board-omap3encore.o
216obj-$(CONFIG_MACH_OVERO) += board-overo.o 231obj-$(CONFIG_MACH_OVERO) += board-overo.o
217obj-$(CONFIG_MACH_OMAP3EVM) += board-omap3evm.o 232obj-$(CONFIG_MACH_OMAP3EVM) += board-omap3evm.o
diff --git a/arch/arm/mach-omap2/am33xx.h b/arch/arm/mach-omap2/am33xx.h
index 06c19bb7bca6..43296c1af9ee 100644
--- a/arch/arm/mach-omap2/am33xx.h
+++ b/arch/arm/mach-omap2/am33xx.h
@@ -21,5 +21,6 @@
21#define AM33XX_SCM_BASE 0x44E10000 21#define AM33XX_SCM_BASE 0x44E10000
22#define AM33XX_CTRL_BASE AM33XX_SCM_BASE 22#define AM33XX_CTRL_BASE AM33XX_SCM_BASE
23#define AM33XX_PRCM_BASE 0x44E00000 23#define AM33XX_PRCM_BASE 0x44E00000
24#define AM33XX_TAP_BASE (AM33XX_CTRL_BASE + 0x3FC)
24 25
25#endif /* __ASM_ARCH_AM33XX_H */ 26#endif /* __ASM_ARCH_AM33XX_H */
diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
index d1c01625fe5a..4815ea6f8f5d 100644
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -285,5 +285,5 @@ MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
285 .init_machine = omap_2430sdp_init, 285 .init_machine = omap_2430sdp_init,
286 .init_late = omap2430_init_late, 286 .init_late = omap2430_init_late,
287 .timer = &omap2_timer, 287 .timer = &omap2_timer,
288 .restart = omap_prcm_restart, 288 .restart = omap2xxx_restart,
289MACHINE_END 289MACHINE_END
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index 79fd9048fd79..6601754f9512 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -597,5 +597,5 @@ MACHINE_START(OMAP_3430SDP, "OMAP3430 3430SDP board")
597 .init_machine = omap_3430sdp_init, 597 .init_machine = omap_3430sdp_init,
598 .init_late = omap3430_init_late, 598 .init_late = omap3430_init_late,
599 .timer = &omap3_timer, 599 .timer = &omap3_timer,
600 .restart = omap_prcm_restart, 600 .restart = omap3xxx_restart,
601MACHINE_END 601MACHINE_END
diff --git a/arch/arm/mach-omap2/board-3630sdp.c b/arch/arm/mach-omap2/board-3630sdp.c
index 81871b1c735c..050aaa771254 100644
--- a/arch/arm/mach-omap2/board-3630sdp.c
+++ b/arch/arm/mach-omap2/board-3630sdp.c
@@ -212,5 +212,5 @@ MACHINE_START(OMAP_3630SDP, "OMAP 3630SDP board")
212 .init_machine = omap_sdp_init, 212 .init_machine = omap_sdp_init,
213 .init_late = omap3630_init_late, 213 .init_late = omap3630_init_late,
214 .timer = &omap3_timer, 214 .timer = &omap3_timer,
215 .restart = omap_prcm_restart, 215 .restart = omap3xxx_restart,
216MACHINE_END 216MACHINE_END
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index fd80d976872d..85dfa71e0dc6 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -881,5 +881,5 @@ MACHINE_START(OMAP_4430SDP, "OMAP4430 4430SDP board")
881 .init_machine = omap_4430sdp_init, 881 .init_machine = omap_4430sdp_init,
882 .init_late = omap4430_init_late, 882 .init_late = omap4430_init_late,
883 .timer = &omap4_timer, 883 .timer = &omap4_timer,
884 .restart = omap_prcm_restart, 884 .restart = omap44xx_restart,
885MACHINE_END 885MACHINE_END
diff --git a/arch/arm/mach-omap2/board-am3517crane.c b/arch/arm/mach-omap2/board-am3517crane.c
index 603503c587b7..51b96a1206d1 100644
--- a/arch/arm/mach-omap2/board-am3517crane.c
+++ b/arch/arm/mach-omap2/board-am3517crane.c
@@ -93,5 +93,5 @@ MACHINE_START(CRANEBOARD, "AM3517/05 CRANEBOARD")
93 .init_machine = am3517_crane_init, 93 .init_machine = am3517_crane_init,
94 .init_late = am35xx_init_late, 94 .init_late = am35xx_init_late,
95 .timer = &omap3_timer, 95 .timer = &omap3_timer,
96 .restart = omap_prcm_restart, 96 .restart = omap3xxx_restart,
97MACHINE_END 97MACHINE_END
diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c
index 96d6c5ab5d4c..4be58fd071f6 100644
--- a/arch/arm/mach-omap2/board-am3517evm.c
+++ b/arch/arm/mach-omap2/board-am3517evm.c
@@ -393,5 +393,5 @@ MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
393 .init_machine = am3517_evm_init, 393 .init_machine = am3517_evm_init,
394 .init_late = am35xx_init_late, 394 .init_late = am35xx_init_late,
395 .timer = &omap3_timer, 395 .timer = &omap3_timer,
396 .restart = omap_prcm_restart, 396 .restart = omap3xxx_restart,
397MACHINE_END 397MACHINE_END
diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c
index 64cf1bde0f3b..5d0a61f54165 100644
--- a/arch/arm/mach-omap2/board-apollon.c
+++ b/arch/arm/mach-omap2/board-apollon.c
@@ -338,5 +338,5 @@ MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
338 .init_machine = omap_apollon_init, 338 .init_machine = omap_apollon_init,
339 .init_late = omap2420_init_late, 339 .init_late = omap2420_init_late,
340 .timer = &omap2_timer, 340 .timer = &omap2_timer,
341 .restart = omap_prcm_restart, 341 .restart = omap2xxx_restart,
342MACHINE_END 342MACHINE_END
diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c
index a8cad2237a2a..c8e37dc00892 100644
--- a/arch/arm/mach-omap2/board-cm-t35.c
+++ b/arch/arm/mach-omap2/board-cm-t35.c
@@ -751,18 +751,18 @@ MACHINE_START(CM_T35, "Compulab CM-T35")
751 .init_machine = cm_t35_init, 751 .init_machine = cm_t35_init,
752 .init_late = omap35xx_init_late, 752 .init_late = omap35xx_init_late,
753 .timer = &omap3_timer, 753 .timer = &omap3_timer,
754 .restart = omap_prcm_restart, 754 .restart = omap3xxx_restart,
755MACHINE_END 755MACHINE_END
756 756
757MACHINE_START(CM_T3730, "Compulab CM-T3730") 757MACHINE_START(CM_T3730, "Compulab CM-T3730")
758 .atag_offset = 0x100, 758 .atag_offset = 0x100,
759 .reserve = omap_reserve, 759 .reserve = omap_reserve,
760 .map_io = omap3_map_io, 760 .map_io = omap3_map_io,
761 .init_early = omap3630_init_early, 761 .init_early = omap3630_init_early,
762 .init_irq = omap3_init_irq, 762 .init_irq = omap3_init_irq,
763 .handle_irq = omap3_intc_handle_irq, 763 .handle_irq = omap3_intc_handle_irq,
764 .init_machine = cm_t3730_init, 764 .init_machine = cm_t3730_init,
765 .init_late = omap3630_init_late, 765 .init_late = omap3630_init_late,
766 .timer = &omap3_timer, 766 .timer = &omap3_timer,
767 .restart = omap_prcm_restart, 767 .restart = omap3xxx_restart,
768MACHINE_END 768MACHINE_END
diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c
index 278664731d2c..699caec8f9e2 100644
--- a/arch/arm/mach-omap2/board-cm-t3517.c
+++ b/arch/arm/mach-omap2/board-cm-t3517.c
@@ -298,5 +298,5 @@ MACHINE_START(CM_T3517, "Compulab CM-T3517")
298 .init_machine = cm_t3517_init, 298 .init_machine = cm_t3517_init,
299 .init_late = am35xx_init_late, 299 .init_late = am35xx_init_late,
300 .timer = &omap3_timer, 300 .timer = &omap3_timer,
301 .restart = omap_prcm_restart, 301 .restart = omap3xxx_restart,
302MACHINE_END 302MACHINE_END
diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c
index 933479e36737..7667eb749522 100644
--- a/arch/arm/mach-omap2/board-devkit8000.c
+++ b/arch/arm/mach-omap2/board-devkit8000.c
@@ -643,5 +643,5 @@ MACHINE_START(DEVKIT8000, "OMAP3 Devkit8000")
643 .init_machine = devkit8000_init, 643 .init_machine = devkit8000_init,
644 .init_late = omap35xx_init_late, 644 .init_late = omap35xx_init_late,
645 .timer = &omap3_secure_timer, 645 .timer = &omap3_secure_timer,
646 .restart = omap_prcm_restart, 646 .restart = omap3xxx_restart,
647MACHINE_END 647MACHINE_END
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index 601ecdfb1cf9..475e14f07216 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -57,7 +57,7 @@ DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
57 .init_machine = omap_generic_init, 57 .init_machine = omap_generic_init,
58 .timer = &omap2_timer, 58 .timer = &omap2_timer,
59 .dt_compat = omap242x_boards_compat, 59 .dt_compat = omap242x_boards_compat,
60 .restart = omap_prcm_restart, 60 .restart = omap2xxx_restart,
61MACHINE_END 61MACHINE_END
62#endif 62#endif
63 63
@@ -76,7 +76,7 @@ DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
76 .init_machine = omap_generic_init, 76 .init_machine = omap_generic_init,
77 .timer = &omap2_timer, 77 .timer = &omap2_timer,
78 .dt_compat = omap243x_boards_compat, 78 .dt_compat = omap243x_boards_compat,
79 .restart = omap_prcm_restart, 79 .restart = omap2xxx_restart,
80MACHINE_END 80MACHINE_END
81#endif 81#endif
82 82
@@ -95,7 +95,7 @@ DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
95 .init_machine = omap_generic_init, 95 .init_machine = omap_generic_init,
96 .timer = &omap3_timer, 96 .timer = &omap3_timer,
97 .dt_compat = omap3_boards_compat, 97 .dt_compat = omap3_boards_compat,
98 .restart = omap_prcm_restart, 98 .restart = omap3xxx_restart,
99MACHINE_END 99MACHINE_END
100#endif 100#endif
101 101
@@ -134,7 +134,7 @@ DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
134 .init_late = omap4430_init_late, 134 .init_late = omap4430_init_late,
135 .timer = &omap4_timer, 135 .timer = &omap4_timer,
136 .dt_compat = omap4_boards_compat, 136 .dt_compat = omap4_boards_compat,
137 .restart = omap_prcm_restart, 137 .restart = omap44xx_restart,
138MACHINE_END 138MACHINE_END
139#endif 139#endif
140 140
@@ -154,6 +154,6 @@ DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)")
154 .init_machine = omap_generic_init, 154 .init_machine = omap_generic_init,
155 .timer = &omap5_timer, 155 .timer = &omap5_timer,
156 .dt_compat = omap5_boards_compat, 156 .dt_compat = omap5_boards_compat,
157 .restart = omap_prcm_restart, 157 .restart = omap44xx_restart,
158MACHINE_END 158MACHINE_END
159#endif 159#endif
diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c
index 8668c72ee810..b626dbe6f7bc 100644
--- a/arch/arm/mach-omap2/board-h4.c
+++ b/arch/arm/mach-omap2/board-h4.c
@@ -386,5 +386,5 @@ MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
386 .init_machine = omap_h4_init, 386 .init_machine = omap_h4_init,
387 .init_late = omap2420_init_late, 387 .init_late = omap2420_init_late,
388 .timer = &omap2_timer, 388 .timer = &omap2_timer,
389 .restart = omap_prcm_restart, 389 .restart = omap2xxx_restart,
390MACHINE_END 390MACHINE_END
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index dbc705ac4334..cea5d5292628 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -651,7 +651,7 @@ MACHINE_START(IGEP0020, "IGEP v2 board")
651 .init_machine = igep_init, 651 .init_machine = igep_init,
652 .init_late = omap35xx_init_late, 652 .init_late = omap35xx_init_late,
653 .timer = &omap3_timer, 653 .timer = &omap3_timer,
654 .restart = omap_prcm_restart, 654 .restart = omap3xxx_restart,
655MACHINE_END 655MACHINE_END
656 656
657MACHINE_START(IGEP0030, "IGEP OMAP3 module") 657MACHINE_START(IGEP0030, "IGEP OMAP3 module")
@@ -664,5 +664,5 @@ MACHINE_START(IGEP0030, "IGEP OMAP3 module")
664 .init_machine = igep_init, 664 .init_machine = igep_init,
665 .init_late = omap35xx_init_late, 665 .init_late = omap35xx_init_late,
666 .timer = &omap3_timer, 666 .timer = &omap3_timer,
667 .restart = omap_prcm_restart, 667 .restart = omap3xxx_restart,
668MACHINE_END 668MACHINE_END
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index 1164b1061038..0869f4f3d3e1 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -436,5 +436,5 @@ MACHINE_START(OMAP_LDP, "OMAP LDP board")
436 .init_machine = omap_ldp_init, 436 .init_machine = omap_ldp_init,
437 .init_late = omap3430_init_late, 437 .init_late = omap3430_init_late,
438 .timer = &omap3_timer, 438 .timer = &omap3_timer,
439 .restart = omap_prcm_restart, 439 .restart = omap3xxx_restart,
440MACHINE_END 440MACHINE_END
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
index e3efcb88cb3b..a4e167c55c1d 100644
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -690,7 +690,7 @@ MACHINE_START(NOKIA_N800, "Nokia N800")
690 .init_machine = n8x0_init_machine, 690 .init_machine = n8x0_init_machine,
691 .init_late = omap2420_init_late, 691 .init_late = omap2420_init_late,
692 .timer = &omap2_timer, 692 .timer = &omap2_timer,
693 .restart = omap_prcm_restart, 693 .restart = omap2xxx_restart,
694MACHINE_END 694MACHINE_END
695 695
696MACHINE_START(NOKIA_N810, "Nokia N810") 696MACHINE_START(NOKIA_N810, "Nokia N810")
@@ -703,7 +703,7 @@ MACHINE_START(NOKIA_N810, "Nokia N810")
703 .init_machine = n8x0_init_machine, 703 .init_machine = n8x0_init_machine,
704 .init_late = omap2420_init_late, 704 .init_late = omap2420_init_late,
705 .timer = &omap2_timer, 705 .timer = &omap2_timer,
706 .restart = omap_prcm_restart, 706 .restart = omap2xxx_restart,
707MACHINE_END 707MACHINE_END
708 708
709MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX") 709MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
@@ -716,5 +716,5 @@ MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
716 .init_machine = n8x0_init_machine, 716 .init_machine = n8x0_init_machine,
717 .init_late = omap2420_init_late, 717 .init_late = omap2420_init_late,
718 .timer = &omap2_timer, 718 .timer = &omap2_timer,
719 .restart = omap_prcm_restart, 719 .restart = omap2xxx_restart,
720MACHINE_END 720MACHINE_END
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 5a3800da903f..22c483d5dfa8 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -545,5 +545,5 @@ MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
545 .init_machine = omap3_beagle_init, 545 .init_machine = omap3_beagle_init,
546 .init_late = omap3_init_late, 546 .init_late = omap3_init_late,
547 .timer = &omap3_secure_timer, 547 .timer = &omap3_secure_timer,
548 .restart = omap_prcm_restart, 548 .restart = omap3xxx_restart,
549MACHINE_END 549MACHINE_END
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 3c0b9a90f3b3..54647d6286b4 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -757,5 +757,5 @@ MACHINE_START(OMAP3EVM, "OMAP3 EVM")
757 .init_machine = omap3_evm_init, 757 .init_machine = omap3_evm_init,
758 .init_late = omap35xx_init_late, 758 .init_late = omap35xx_init_late,
759 .timer = &omap3_timer, 759 .timer = &omap3_timer,
760 .restart = omap_prcm_restart, 760 .restart = omap3xxx_restart,
761MACHINE_END 761MACHINE_END
diff --git a/arch/arm/mach-omap2/board-omap3logic.c b/arch/arm/mach-omap2/board-omap3logic.c
index e84e2a875378..2a065ba6eb58 100644
--- a/arch/arm/mach-omap2/board-omap3logic.c
+++ b/arch/arm/mach-omap2/board-omap3logic.c
@@ -232,7 +232,7 @@ MACHINE_START(OMAP3_TORPEDO, "Logic OMAP3 Torpedo board")
232 .init_machine = omap3logic_init, 232 .init_machine = omap3logic_init,
233 .init_late = omap35xx_init_late, 233 .init_late = omap35xx_init_late,
234 .timer = &omap3_timer, 234 .timer = &omap3_timer,
235 .restart = omap_prcm_restart, 235 .restart = omap3xxx_restart,
236MACHINE_END 236MACHINE_END
237 237
238MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board") 238MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board")
@@ -245,5 +245,5 @@ MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board")
245 .init_machine = omap3logic_init, 245 .init_machine = omap3logic_init,
246 .init_late = omap35xx_init_late, 246 .init_late = omap35xx_init_late,
247 .timer = &omap3_timer, 247 .timer = &omap3_timer,
248 .restart = omap_prcm_restart, 248 .restart = omap3xxx_restart,
249MACHINE_END 249MACHINE_END
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index ce31bd329f38..a53a6683c1b8 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -619,5 +619,5 @@ MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
619 .init_machine = omap3pandora_init, 619 .init_machine = omap3pandora_init,
620 .init_late = omap35xx_init_late, 620 .init_late = omap35xx_init_late,
621 .timer = &omap3_timer, 621 .timer = &omap3_timer,
622 .restart = omap_prcm_restart, 622 .restart = omap3xxx_restart,
623MACHINE_END 623MACHINE_END
diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c
index ba1124538b9c..d8638b3b4f94 100644
--- a/arch/arm/mach-omap2/board-omap3stalker.c
+++ b/arch/arm/mach-omap2/board-omap3stalker.c
@@ -427,5 +427,5 @@ MACHINE_START(SBC3530, "OMAP3 STALKER")
427 .init_machine = omap3_stalker_init, 427 .init_machine = omap3_stalker_init,
428 .init_late = omap35xx_init_late, 428 .init_late = omap35xx_init_late,
429 .timer = &omap3_secure_timer, 429 .timer = &omap3_secure_timer,
430 .restart = omap_prcm_restart, 430 .restart = omap3xxx_restart,
431MACHINE_END 431MACHINE_END
diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c
index a225d819633f..263cb9cfbf37 100644
--- a/arch/arm/mach-omap2/board-omap3touchbook.c
+++ b/arch/arm/mach-omap2/board-omap3touchbook.c
@@ -387,5 +387,5 @@ MACHINE_START(TOUCHBOOK, "OMAP3 touchbook Board")
387 .init_machine = omap3_touchbook_init, 387 .init_machine = omap3_touchbook_init,
388 .init_late = omap3430_init_late, 388 .init_late = omap3430_init_late,
389 .timer = &omap3_secure_timer, 389 .timer = &omap3_secure_timer,
390 .restart = omap_prcm_restart, 390 .restart = omap3xxx_restart,
391MACHINE_END 391MACHINE_END
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index 8c00b99cd2a3..12a3a24d5bb5 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -524,5 +524,5 @@ MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
524 .init_machine = omap4_panda_init, 524 .init_machine = omap4_panda_init,
525 .init_late = omap4430_init_late, 525 .init_late = omap4430_init_late,
526 .timer = &omap4_timer, 526 .timer = &omap4_timer,
527 .restart = omap_prcm_restart, 527 .restart = omap44xx_restart,
528MACHINE_END 528MACHINE_END
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index f5ba43fa0400..c8fde3e56441 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -552,5 +552,5 @@ MACHINE_START(OVERO, "Gumstix Overo")
552 .init_machine = overo_init, 552 .init_machine = overo_init,
553 .init_late = omap35xx_init_late, 553 .init_late = omap35xx_init_late,
554 .timer = &omap3_timer, 554 .timer = &omap3_timer,
555 .restart = omap_prcm_restart, 555 .restart = omap3xxx_restart,
556MACHINE_END 556MACHINE_END
diff --git a/arch/arm/mach-omap2/board-rm680.c b/arch/arm/mach-omap2/board-rm680.c
index 1997e0e722a1..cbcb1b2dc31f 100644
--- a/arch/arm/mach-omap2/board-rm680.c
+++ b/arch/arm/mach-omap2/board-rm680.c
@@ -148,7 +148,7 @@ MACHINE_START(NOKIA_RM680, "Nokia RM-680 board")
148 .init_machine = rm680_init, 148 .init_machine = rm680_init,
149 .init_late = omap3630_init_late, 149 .init_late = omap3630_init_late,
150 .timer = &omap3_timer, 150 .timer = &omap3_timer,
151 .restart = omap_prcm_restart, 151 .restart = omap3xxx_restart,
152MACHINE_END 152MACHINE_END
153 153
154MACHINE_START(NOKIA_RM696, "Nokia RM-696 board") 154MACHINE_START(NOKIA_RM696, "Nokia RM-696 board")
@@ -161,5 +161,5 @@ MACHINE_START(NOKIA_RM696, "Nokia RM-696 board")
161 .init_machine = rm680_init, 161 .init_machine = rm680_init,
162 .init_late = omap3630_init_late, 162 .init_late = omap3630_init_late,
163 .timer = &omap3_timer, 163 .timer = &omap3_timer,
164 .restart = omap_prcm_restart, 164 .restart = omap3xxx_restart,
165MACHINE_END 165MACHINE_END
diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c
index c388aec14799..bf8f74b0ce3e 100644
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -127,5 +127,5 @@ MACHINE_START(NOKIA_RX51, "Nokia RX-51 board")
127 .init_machine = rx51_init, 127 .init_machine = rx51_init,
128 .init_late = omap3430_init_late, 128 .init_late = omap3430_init_late,
129 .timer = &omap3_timer, 129 .timer = &omap3_timer,
130 .restart = omap_prcm_restart, 130 .restart = omap3xxx_restart,
131MACHINE_END 131MACHINE_END
diff --git a/arch/arm/mach-omap2/board-ti8168evm.c b/arch/arm/mach-omap2/board-ti8168evm.c
index 5e672c2b6a43..1a3e056d63a7 100644
--- a/arch/arm/mach-omap2/board-ti8168evm.c
+++ b/arch/arm/mach-omap2/board-ti8168evm.c
@@ -46,7 +46,7 @@ MACHINE_START(TI8168EVM, "ti8168evm")
46 .timer = &omap3_timer, 46 .timer = &omap3_timer,
47 .init_machine = ti81xx_evm_init, 47 .init_machine = ti81xx_evm_init,
48 .init_late = ti81xx_init_late, 48 .init_late = ti81xx_init_late,
49 .restart = omap_prcm_restart, 49 .restart = omap44xx_restart,
50MACHINE_END 50MACHINE_END
51 51
52MACHINE_START(TI8148EVM, "ti8148evm") 52MACHINE_START(TI8148EVM, "ti8148evm")
@@ -58,5 +58,5 @@ MACHINE_START(TI8148EVM, "ti8148evm")
58 .timer = &omap3_timer, 58 .timer = &omap3_timer,
59 .init_machine = ti81xx_evm_init, 59 .init_machine = ti81xx_evm_init,
60 .init_late = ti81xx_init_late, 60 .init_late = ti81xx_init_late,
61 .restart = omap_prcm_restart, 61 .restart = omap44xx_restart,
62MACHINE_END 62MACHINE_END
diff --git a/arch/arm/mach-omap2/board-zoom.c b/arch/arm/mach-omap2/board-zoom.c
index 8feb4d99b96d..d7fa31e67238 100644
--- a/arch/arm/mach-omap2/board-zoom.c
+++ b/arch/arm/mach-omap2/board-zoom.c
@@ -138,7 +138,7 @@ MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 board")
138 .init_machine = omap_zoom_init, 138 .init_machine = omap_zoom_init,
139 .init_late = omap3430_init_late, 139 .init_late = omap3430_init_late,
140 .timer = &omap3_timer, 140 .timer = &omap3_timer,
141 .restart = omap_prcm_restart, 141 .restart = omap3xxx_restart,
142MACHINE_END 142MACHINE_END
143 143
144MACHINE_START(OMAP_ZOOM3, "OMAP Zoom3 board") 144MACHINE_START(OMAP_ZOOM3, "OMAP Zoom3 board")
@@ -151,5 +151,5 @@ MACHINE_START(OMAP_ZOOM3, "OMAP Zoom3 board")
151 .init_machine = omap_zoom_init, 151 .init_machine = omap_zoom_init,
152 .init_late = omap3630_init_late, 152 .init_late = omap3630_init_late,
153 .timer = &omap3_timer, 153 .timer = &omap3_timer,
154 .restart = omap_prcm_restart, 154 .restart = omap3xxx_restart,
155MACHINE_END 155MACHINE_END
diff --git a/arch/arm/mach-omap2/clkt2xxx_apll.c b/arch/arm/mach-omap2/clkt2xxx_apll.c
index 73a1414b89b0..8c5b13e7ee61 100644
--- a/arch/arm/mach-omap2/clkt2xxx_apll.c
+++ b/arch/arm/mach-omap2/clkt2xxx_apll.c
@@ -21,11 +21,10 @@
21#include <linux/clk.h> 21#include <linux/clk.h>
22#include <linux/io.h> 22#include <linux/io.h>
23 23
24#include <plat/prcm.h>
25 24
26#include "clock.h" 25#include "clock.h"
27#include "clock2xxx.h" 26#include "clock2xxx.h"
28#include "cm2xxx_3xxx.h" 27#include "cm2xxx.h"
29#include "cm-regbits-24xx.h" 28#include "cm-regbits-24xx.h"
30 29
31/* CM_CLKEN_PLL.EN_{54,96}M_PLL options (24XX) */ 30/* CM_CLKEN_PLL.EN_{54,96}M_PLL options (24XX) */
@@ -37,44 +36,16 @@
37#define APLLS_CLKIN_13MHZ 2 36#define APLLS_CLKIN_13MHZ 2
38#define APLLS_CLKIN_12MHZ 3 37#define APLLS_CLKIN_12MHZ 3
39 38
40void __iomem *cm_idlest_pll;
41
42/* Private functions */ 39/* Private functions */
43 40
44/* Enable an APLL if off */ 41static int _apll96_enable(struct clk *clk)
45static int omap2_clk_apll_enable(struct clk *clk, u32 status_mask)
46{
47 u32 cval, apll_mask;
48
49 apll_mask = EN_APLL_LOCKED << clk->enable_bit;
50
51 cval = omap2_cm_read_mod_reg(PLL_MOD, CM_CLKEN);
52
53 if ((cval & apll_mask) == apll_mask)
54 return 0; /* apll already enabled */
55
56 cval &= ~apll_mask;
57 cval |= apll_mask;
58 omap2_cm_write_mod_reg(cval, PLL_MOD, CM_CLKEN);
59
60 omap2_cm_wait_idlest(cm_idlest_pll, status_mask,
61 OMAP24XX_CM_IDLEST_VAL, __clk_get_name(clk));
62
63 /*
64 * REVISIT: Should we return an error code if omap2_wait_clock_ready()
65 * fails?
66 */
67 return 0;
68}
69
70static int omap2_clk_apll96_enable(struct clk *clk)
71{ 42{
72 return omap2_clk_apll_enable(clk, OMAP24XX_ST_96M_APLL_MASK); 43 return omap2xxx_cm_apll96_enable();
73} 44}
74 45
75static int omap2_clk_apll54_enable(struct clk *clk) 46static int _apll54_enable(struct clk *clk)
76{ 47{
77 return omap2_clk_apll_enable(clk, OMAP24XX_ST_54M_APLL_MASK); 48 return omap2xxx_cm_apll54_enable();
78} 49}
79 50
80static void _apll96_allow_idle(struct clk *clk) 51static void _apll96_allow_idle(struct clk *clk)
@@ -97,28 +68,28 @@ static void _apll54_deny_idle(struct clk *clk)
97 omap2xxx_cm_set_apll54_disable_autoidle(); 68 omap2xxx_cm_set_apll54_disable_autoidle();
98} 69}
99 70
100/* Stop APLL */ 71static void _apll96_disable(struct clk *clk)
101static void omap2_clk_apll_disable(struct clk *clk)
102{ 72{
103 u32 cval; 73 omap2xxx_cm_apll96_disable();
74}
104 75
105 cval = omap2_cm_read_mod_reg(PLL_MOD, CM_CLKEN); 76static void _apll54_disable(struct clk *clk)
106 cval &= ~(EN_APLL_LOCKED << clk->enable_bit); 77{
107 omap2_cm_write_mod_reg(cval, PLL_MOD, CM_CLKEN); 78 omap2xxx_cm_apll54_disable();
108} 79}
109 80
110/* Public data */ 81/* Public data */
111 82
112const struct clkops clkops_apll96 = { 83const struct clkops clkops_apll96 = {
113 .enable = omap2_clk_apll96_enable, 84 .enable = _apll96_enable,
114 .disable = omap2_clk_apll_disable, 85 .disable = _apll96_disable,
115 .allow_idle = _apll96_allow_idle, 86 .allow_idle = _apll96_allow_idle,
116 .deny_idle = _apll96_deny_idle, 87 .deny_idle = _apll96_deny_idle,
117}; 88};
118 89
119const struct clkops clkops_apll54 = { 90const struct clkops clkops_apll54 = {
120 .enable = omap2_clk_apll54_enable, 91 .enable = _apll54_enable,
121 .disable = omap2_clk_apll_disable, 92 .disable = _apll54_disable,
122 .allow_idle = _apll54_allow_idle, 93 .allow_idle = _apll54_allow_idle,
123 .deny_idle = _apll54_deny_idle, 94 .deny_idle = _apll54_deny_idle,
124}; 95};
diff --git a/arch/arm/mach-omap2/clkt2xxx_dpll.c b/arch/arm/mach-omap2/clkt2xxx_dpll.c
index 0890ba94a282..399534c7843b 100644
--- a/arch/arm/mach-omap2/clkt2xxx_dpll.c
+++ b/arch/arm/mach-omap2/clkt2xxx_dpll.c
@@ -15,7 +15,7 @@
15#include <linux/io.h> 15#include <linux/io.h>
16 16
17#include "clock.h" 17#include "clock.h"
18#include "cm2xxx_3xxx.h" 18#include "cm2xxx.h"
19#include "cm-regbits-24xx.h" 19#include "cm-regbits-24xx.h"
20 20
21/* Private functions */ 21/* Private functions */
diff --git a/arch/arm/mach-omap2/clkt2xxx_dpllcore.c b/arch/arm/mach-omap2/clkt2xxx_dpllcore.c
index 0d2f14c2dcce..825e44cdf1cf 100644
--- a/arch/arm/mach-omap2/clkt2xxx_dpllcore.c
+++ b/arch/arm/mach-omap2/clkt2xxx_dpllcore.c
@@ -28,16 +28,22 @@
28#include "clock.h" 28#include "clock.h"
29#include "clock2xxx.h" 29#include "clock2xxx.h"
30#include "opp2xxx.h" 30#include "opp2xxx.h"
31#include "cm2xxx_3xxx.h" 31#include "cm2xxx.h"
32#include "cm-regbits-24xx.h" 32#include "cm-regbits-24xx.h"
33#include "sdrc.h" 33#include "sdrc.h"
34#include "sram.h" 34#include "sram.h"
35 35
36/* #define DOWN_VARIABLE_DPLL 1 */ /* Experimental */ 36/* #define DOWN_VARIABLE_DPLL 1 */ /* Experimental */
37 37
38/*
39 * dpll_core_ck: pointer to the combined dpll_ck + core_ck on OMAP2xxx
40 * (currently defined as "dpll_ck" in the OMAP2xxx clock tree). Set
41 * during dpll_ck init and used later by omap2xxx_clk_get_core_rate().
42 */
43static struct clk *dpll_core_ck;
44
38/** 45/**
39 * omap2xxx_clk_get_core_rate - return the CORE_CLK rate 46 * omap2xxx_clk_get_core_rate - return the CORE_CLK rate
40 * @clk: pointer to the combined dpll_ck + core_ck (currently "dpll_ck")
41 * 47 *
42 * Returns the CORE_CLK rate. CORE_CLK can have one of three rate 48 * Returns the CORE_CLK rate. CORE_CLK can have one of three rate
43 * sources on OMAP2xxx: the DPLL CLKOUT rate, DPLL CLKOUTX2, or 32KHz 49 * sources on OMAP2xxx: the DPLL CLKOUT rate, DPLL CLKOUTX2, or 32KHz
@@ -45,12 +51,14 @@
45 * struct clk *dpll_ck, which is a composite clock of dpll_ck and 51 * struct clk *dpll_ck, which is a composite clock of dpll_ck and
46 * core_ck. 52 * core_ck.
47 */ 53 */
48unsigned long omap2xxx_clk_get_core_rate(struct clk *clk) 54unsigned long omap2xxx_clk_get_core_rate(void)
49{ 55{
50 long long core_clk; 56 long long core_clk;
51 u32 v; 57 u32 v;
52 58
53 core_clk = omap2_get_dpll_rate(clk); 59 WARN_ON(!dpll_core_ck);
60
61 core_clk = omap2_get_dpll_rate(dpll_core_ck);
54 62
55 v = omap2_cm_read_mod_reg(PLL_MOD, CM_CLKSEL2); 63 v = omap2_cm_read_mod_reg(PLL_MOD, CM_CLKSEL2);
56 v &= OMAP24XX_CORE_CLK_SRC_MASK; 64 v &= OMAP24XX_CORE_CLK_SRC_MASK;
@@ -98,7 +106,7 @@ static long omap2_dpllcore_round_rate(unsigned long target_rate)
98 106
99unsigned long omap2_dpllcore_recalc(struct clk *clk) 107unsigned long omap2_dpllcore_recalc(struct clk *clk)
100{ 108{
101 return omap2xxx_clk_get_core_rate(clk); 109 return omap2xxx_clk_get_core_rate();
102} 110}
103 111
104int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate) 112int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate)
@@ -108,7 +116,7 @@ int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate)
108 struct prcm_config tmpset; 116 struct prcm_config tmpset;
109 const struct dpll_data *dd; 117 const struct dpll_data *dd;
110 118
111 cur_rate = omap2xxx_clk_get_core_rate(dclk); 119 cur_rate = omap2xxx_clk_get_core_rate();
112 mult = omap2_cm_read_mod_reg(PLL_MOD, CM_CLKSEL2); 120 mult = omap2_cm_read_mod_reg(PLL_MOD, CM_CLKSEL2);
113 mult &= OMAP24XX_CORE_CLK_SRC_MASK; 121 mult &= OMAP24XX_CORE_CLK_SRC_MASK;
114 122
@@ -169,3 +177,19 @@ int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate)
169 return 0; 177 return 0;
170} 178}
171 179
180/**
181 * omap2xxx_clkt_dpllcore_init - clk init function for dpll_ck
182 * @clk: struct clk *dpll_ck
183 *
184 * Store a local copy of @clk in dpll_core_ck so other code can query
185 * the core rate without having to clk_get(), which can sleep. Must
186 * only be called once. No return value. XXX If the clock
187 * registration process is ever changed such that dpll_ck is no longer
188 * statically defined, this code may need to change to increment some
189 * kind of use count on dpll_ck.
190 */
191void omap2xxx_clkt_dpllcore_init(struct clk *clk)
192{
193 WARN(dpll_core_ck, "dpll_core_ck already set - should never happen");
194 dpll_core_ck = clk;
195}
diff --git a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
index a38ebb209721..1c2041fbd718 100644
--- a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
+++ b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * OMAP2xxx DVFS virtual clock functions 2 * OMAP2xxx DVFS virtual clock functions
3 * 3 *
4 * Copyright (C) 2005-2008 Texas Instruments, Inc. 4 * Copyright (C) 2005-2008, 2012 Texas Instruments, Inc.
5 * Copyright (C) 2004-2010 Nokia Corporation 5 * Copyright (C) 2004-2010 Nokia Corporation
6 * 6 *
7 * Contacts: 7 * Contacts:
@@ -37,7 +37,7 @@
37#include "clock.h" 37#include "clock.h"
38#include "clock2xxx.h" 38#include "clock2xxx.h"
39#include "opp2xxx.h" 39#include "opp2xxx.h"
40#include "cm2xxx_3xxx.h" 40#include "cm2xxx.h"
41#include "cm-regbits-24xx.h" 41#include "cm-regbits-24xx.h"
42#include "sdrc.h" 42#include "sdrc.h"
43#include "sram.h" 43#include "sram.h"
@@ -45,6 +45,13 @@
45const struct prcm_config *curr_prcm_set; 45const struct prcm_config *curr_prcm_set;
46const struct prcm_config *rate_table; 46const struct prcm_config *rate_table;
47 47
48/*
49 * sys_ck_rate: the rate of the external high-frequency clock
50 * oscillator on the board. Set by the SoC-specific clock init code.
51 * Once set during a boot, will not change.
52 */
53static unsigned long sys_ck_rate;
54
48/** 55/**
49 * omap2_table_mpu_recalc - just return the MPU speed 56 * omap2_table_mpu_recalc - just return the MPU speed
50 * @clk: virt_prcm_set struct clk 57 * @clk: virt_prcm_set struct clk
@@ -66,15 +73,14 @@ unsigned long omap2_table_mpu_recalc(struct clk *clk)
66long omap2_round_to_table_rate(struct clk *clk, unsigned long rate) 73long omap2_round_to_table_rate(struct clk *clk, unsigned long rate)
67{ 74{
68 const struct prcm_config *ptr; 75 const struct prcm_config *ptr;
69 long highest_rate, sys_clk_rate; 76 long highest_rate;
70 77
71 highest_rate = -EINVAL; 78 highest_rate = -EINVAL;
72 sys_clk_rate = __clk_get_rate(sclk);
73 79
74 for (ptr = rate_table; ptr->mpu_speed; ptr++) { 80 for (ptr = rate_table; ptr->mpu_speed; ptr++) {
75 if (!(ptr->flags & cpu_mask)) 81 if (!(ptr->flags & cpu_mask))
76 continue; 82 continue;
77 if (ptr->xtal_speed != sys_clk_rate) 83 if (ptr->xtal_speed != sys_ck_rate)
78 continue; 84 continue;
79 85
80 highest_rate = ptr->mpu_speed; 86 highest_rate = ptr->mpu_speed;
@@ -93,15 +99,12 @@ int omap2_select_table_rate(struct clk *clk, unsigned long rate)
93 const struct prcm_config *prcm; 99 const struct prcm_config *prcm;
94 unsigned long found_speed = 0; 100 unsigned long found_speed = 0;
95 unsigned long flags; 101 unsigned long flags;
96 long sys_clk_rate;
97
98 sys_clk_rate = __clk_get_rate(sclk);
99 102
100 for (prcm = rate_table; prcm->mpu_speed; prcm++) { 103 for (prcm = rate_table; prcm->mpu_speed; prcm++) {
101 if (!(prcm->flags & cpu_mask)) 104 if (!(prcm->flags & cpu_mask))
102 continue; 105 continue;
103 106
104 if (prcm->xtal_speed != sys_clk_rate) 107 if (prcm->xtal_speed != sys_ck_rate)
105 continue; 108 continue;
106 109
107 if (prcm->mpu_speed <= rate) { 110 if (prcm->mpu_speed <= rate) {
@@ -117,7 +120,7 @@ int omap2_select_table_rate(struct clk *clk, unsigned long rate)
117 } 120 }
118 121
119 curr_prcm_set = prcm; 122 curr_prcm_set = prcm;
120 cur_rate = omap2xxx_clk_get_core_rate(dclk); 123 cur_rate = omap2xxx_clk_get_core_rate();
121 124
122 if (prcm->dpll_speed == cur_rate / 2) { 125 if (prcm->dpll_speed == cur_rate / 2) {
123 omap2xxx_sdrc_reprogram(CORE_CLK_SRC_DPLL, 1); 126 omap2xxx_sdrc_reprogram(CORE_CLK_SRC_DPLL, 1);
@@ -167,3 +170,50 @@ int omap2_select_table_rate(struct clk *clk, unsigned long rate)
167 170
168 return 0; 171 return 0;
169} 172}
173
174/**
175 * omap2xxx_clkt_vps_check_bootloader_rate - determine which of the rate
176 * table sets matches the current CORE DPLL hardware rate
177 *
178 * Check the MPU rate set by bootloader. Sets the 'curr_prcm_set'
179 * global to point to the active rate set when found; otherwise, sets
180 * it to NULL. No return value;
181 */
182void omap2xxx_clkt_vps_check_bootloader_rates(void)
183{
184 const struct prcm_config *prcm = NULL;
185 unsigned long rate;
186
187 rate = omap2xxx_clk_get_core_rate();
188 for (prcm = rate_table; prcm->mpu_speed; prcm++) {
189 if (!(prcm->flags & cpu_mask))
190 continue;
191 if (prcm->xtal_speed != sys_ck_rate)
192 continue;
193 if (prcm->dpll_speed <= rate)
194 break;
195 }
196 curr_prcm_set = prcm;
197}
198
199/**
200 * omap2xxx_clkt_vps_late_init - store a copy of the sys_ck rate
201 *
202 * Store a copy of the sys_ck rate for later use by the OMAP2xxx DVFS
203 * code. (The sys_ck rate does not -- or rather, must not -- change
204 * during kernel runtime.) Must be called after we have a valid
205 * sys_ck rate, but before the virt_prcm_set clock rate is
206 * recalculated. No return value.
207 */
208void omap2xxx_clkt_vps_late_init(void)
209{
210 struct clk *c;
211
212 c = clk_get(NULL, "sys_ck");
213 if (IS_ERR(c)) {
214 WARN(1, "could not locate sys_ck\n");
215 } else {
216 sys_ck_rate = clk_get_rate(c);
217 clk_put(c);
218 }
219}
diff --git a/arch/arm/mach-omap2/clkt_iclk.c b/arch/arm/mach-omap2/clkt_iclk.c
index 7c8d41e49834..fe774a09dd0c 100644
--- a/arch/arm/mach-omap2/clkt_iclk.c
+++ b/arch/arm/mach-omap2/clkt_iclk.c
@@ -14,7 +14,6 @@
14#include <linux/clk.h> 14#include <linux/clk.h>
15#include <linux/io.h> 15#include <linux/io.h>
16 16
17#include <plat/prcm.h>
18 17
19#include "clock.h" 18#include "clock.h"
20#include "clock2xxx.h" 19#include "clock2xxx.h"
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index 8b30759f8f9e..e381d991092c 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -26,16 +26,24 @@
26 26
27#include <asm/cpu.h> 27#include <asm/cpu.h>
28 28
29#include <plat/prcm.h>
30 29
31#include <trace/events/power.h> 30#include <trace/events/power.h>
32 31
33#include "soc.h" 32#include "soc.h"
34#include "clockdomain.h" 33#include "clockdomain.h"
35#include "clock.h" 34#include "clock.h"
36#include "cm2xxx_3xxx.h" 35#include "cm.h"
36#include "cm2xxx.h"
37#include "cm3xxx.h"
37#include "cm-regbits-24xx.h" 38#include "cm-regbits-24xx.h"
38#include "cm-regbits-34xx.h" 39#include "cm-regbits-34xx.h"
40#include "common.h"
41
42/*
43 * MAX_MODULE_ENABLE_WAIT: maximum of number of microseconds to wait
44 * for a module to indicate that it is no longer in idle
45 */
46#define MAX_MODULE_ENABLE_WAIT 100000
39 47
40u16 cpu_mask; 48u16 cpu_mask;
41 49
@@ -57,6 +65,40 @@ static DEFINE_SPINLOCK(clockfw_lock);
57 65
58/* Private functions */ 66/* Private functions */
59 67
68
69/**
70 * _wait_idlest_generic - wait for a module to leave the idle state
71 * @reg: virtual address of module IDLEST register
72 * @mask: value to mask against to determine if the module is active
73 * @idlest: idle state indicator (0 or 1) for the clock
74 * @name: name of the clock (for printk)
75 *
76 * Wait for a module to leave idle, where its idle-status register is
77 * not inside the CM module. Returns 1 if the module left idle
78 * promptly, or 0 if the module did not leave idle before the timeout
79 * elapsed. XXX Deprecated - should be moved into drivers for the
80 * individual IP block that the IDLEST register exists in.
81 */
82static int _wait_idlest_generic(void __iomem *reg, u32 mask, u8 idlest,
83 const char *name)
84{
85 int i = 0, ena = 0;
86
87 ena = (idlest) ? 0 : mask;
88
89 omap_test_timeout(((__raw_readl(reg) & mask) == ena),
90 MAX_MODULE_ENABLE_WAIT, i);
91
92 if (i < MAX_MODULE_ENABLE_WAIT)
93 pr_debug("omap clock: module associated with clock %s ready after %d loops\n",
94 name, i);
95 else
96 pr_err("omap clock: module associated with clock %s didn't enable in %d tries\n",
97 name, MAX_MODULE_ENABLE_WAIT);
98
99 return (i < MAX_MODULE_ENABLE_WAIT) ? 1 : 0;
100};
101
60/** 102/**
61 * _omap2_module_wait_ready - wait for an OMAP module to leave IDLE 103 * _omap2_module_wait_ready - wait for an OMAP module to leave IDLE
62 * @clk: struct clk * belonging to the module 104 * @clk: struct clk * belonging to the module
@@ -70,7 +112,9 @@ static DEFINE_SPINLOCK(clockfw_lock);
70static void _omap2_module_wait_ready(struct clk *clk) 112static void _omap2_module_wait_ready(struct clk *clk)
71{ 113{
72 void __iomem *companion_reg, *idlest_reg; 114 void __iomem *companion_reg, *idlest_reg;
73 u8 other_bit, idlest_bit, idlest_val; 115 u8 other_bit, idlest_bit, idlest_val, idlest_reg_id;
116 s16 prcm_mod;
117 int r;
74 118
75 /* Not all modules have multiple clocks that their IDLEST depends on */ 119 /* Not all modules have multiple clocks that their IDLEST depends on */
76 if (clk->ops->find_companion) { 120 if (clk->ops->find_companion) {
@@ -81,8 +125,14 @@ static void _omap2_module_wait_ready(struct clk *clk)
81 125
82 clk->ops->find_idlest(clk, &idlest_reg, &idlest_bit, &idlest_val); 126 clk->ops->find_idlest(clk, &idlest_reg, &idlest_bit, &idlest_val);
83 127
84 omap2_cm_wait_idlest(idlest_reg, (1 << idlest_bit), idlest_val, 128 r = cm_split_idlest_reg(idlest_reg, &prcm_mod, &idlest_reg_id);
85 __clk_get_name(clk)); 129 if (r) {
130 /* IDLEST register not in the CM module */
131 _wait_idlest_generic(idlest_reg, (1 << idlest_bit), idlest_val,
132 clk->name);
133 } else {
134 cm_wait_module_ready(prcm_mod, idlest_reg_id, idlest_bit);
135 };
86} 136}
87 137
88/* Public functions */ 138/* Public functions */
diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
index cfba1ffe5cc2..ff9789bc0fd1 100644
--- a/arch/arm/mach-omap2/clock.h
+++ b/arch/arm/mach-omap2/clock.h
@@ -409,33 +409,6 @@ extern void omap2_clkt_iclk_deny_idle(struct clk *clk);
409u32 omap2_get_dpll_rate(struct clk *clk); 409u32 omap2_get_dpll_rate(struct clk *clk);
410void omap2_init_dpll_parent(struct clk *clk); 410void omap2_init_dpll_parent(struct clk *clk);
411 411
412int omap2_wait_clock_ready(void __iomem *reg, u32 cval, const char *name);
413
414
415#ifdef CONFIG_ARCH_OMAP2
416void omap2xxx_clk_prepare_for_reboot(void);
417#else
418static inline void omap2xxx_clk_prepare_for_reboot(void)
419{
420}
421#endif
422
423#ifdef CONFIG_ARCH_OMAP3
424void omap3_clk_prepare_for_reboot(void);
425#else
426static inline void omap3_clk_prepare_for_reboot(void)
427{
428}
429#endif
430
431#ifdef CONFIG_ARCH_OMAP4
432void omap4_clk_prepare_for_reboot(void);
433#else
434static inline void omap4_clk_prepare_for_reboot(void)
435{
436}
437#endif
438
439int omap2_dflt_clk_enable(struct clk *clk); 412int omap2_dflt_clk_enable(struct clk *clk);
440void omap2_dflt_clk_disable(struct clk *clk); 413void omap2_dflt_clk_disable(struct clk *clk);
441void omap2_clk_dflt_find_companion(struct clk *clk, void __iomem **other_reg, 414void omap2_clk_dflt_find_companion(struct clk *clk, void __iomem **other_reg,
@@ -454,7 +427,6 @@ extern const struct clkops clkops_dummy;
454extern const struct clkops clkops_omap2_dflt; 427extern const struct clkops clkops_omap2_dflt;
455 428
456extern struct clk_functions omap2_clk_functions; 429extern struct clk_functions omap2_clk_functions;
457extern struct clk *vclk, *sclk;
458 430
459extern const struct clksel_rate gpt_32k_rates[]; 431extern const struct clksel_rate gpt_32k_rates[];
460extern const struct clksel_rate gpt_sys_rates[]; 432extern const struct clksel_rate gpt_sys_rates[];
diff --git a/arch/arm/mach-omap2/clock2420_data.c b/arch/arm/mach-omap2/clock2420_data.c
index ff47a6c2611d..608874b651e8 100644
--- a/arch/arm/mach-omap2/clock2420_data.c
+++ b/arch/arm/mach-omap2/clock2420_data.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * OMAP2420 clock data 2 * OMAP2420 clock data
3 * 3 *
4 * Copyright (C) 2005-2009 Texas Instruments, Inc. 4 * Copyright (C) 2005-2009, 2012 Texas Instruments, Inc.
5 * Copyright (C) 2004-2011 Nokia Corporation 5 * Copyright (C) 2004-2011 Nokia Corporation
6 * 6 *
7 * Contacts: 7 * Contacts:
@@ -23,7 +23,7 @@
23#include "clock.h" 23#include "clock.h"
24#include "clock2xxx.h" 24#include "clock2xxx.h"
25#include "opp2xxx.h" 25#include "opp2xxx.h"
26#include "cm2xxx_3xxx.h" 26#include "cm2xxx.h"
27#include "prm2xxx_3xxx.h" 27#include "prm2xxx_3xxx.h"
28#include "prm-regbits-24xx.h" 28#include "prm-regbits-24xx.h"
29#include "cm-regbits-24xx.h" 29#include "cm-regbits-24xx.h"
@@ -124,6 +124,7 @@ static struct clk dpll_ck = {
124 .name = "dpll_ck", 124 .name = "dpll_ck",
125 .ops = &clkops_omap2xxx_dpll_ops, 125 .ops = &clkops_omap2xxx_dpll_ops,
126 .parent = &sys_ck, /* Can be func_32k also */ 126 .parent = &sys_ck, /* Can be func_32k also */
127 .init = &omap2xxx_clkt_dpllcore_init,
127 .dpll_data = &dpll_dd, 128 .dpll_data = &dpll_dd,
128 .clkdm_name = "wkup_clkdm", 129 .clkdm_name = "wkup_clkdm",
129 .recalc = &omap2_dpllcore_recalc, 130 .recalc = &omap2_dpllcore_recalc,
@@ -1924,12 +1925,9 @@ static struct omap_clk omap2420_clks[] = {
1924 1925
1925int __init omap2420_clk_init(void) 1926int __init omap2420_clk_init(void)
1926{ 1927{
1927 const struct prcm_config *prcm;
1928 struct omap_clk *c; 1928 struct omap_clk *c;
1929 u32 clkrate;
1930 1929
1931 prcm_clksrc_ctrl = OMAP2420_PRCM_CLKSRC_CTRL; 1930 prcm_clksrc_ctrl = OMAP2420_PRCM_CLKSRC_CTRL;
1932 cm_idlest_pll = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST);
1933 cpu_mask = RATE_IN_242X; 1931 cpu_mask = RATE_IN_242X;
1934 rate_table = omap2420_rate_table; 1932 rate_table = omap2420_rate_table;
1935 1933
@@ -1949,20 +1947,13 @@ int __init omap2420_clk_init(void)
1949 omap2_init_clk_clkdm(c->lk.clk); 1947 omap2_init_clk_clkdm(c->lk.clk);
1950 } 1948 }
1951 1949
1950 omap2xxx_clkt_vps_late_init();
1951
1952 /* Disable autoidle on all clocks; let the PM code enable it later */ 1952 /* Disable autoidle on all clocks; let the PM code enable it later */
1953 omap_clk_disable_autoidle_all(); 1953 omap_clk_disable_autoidle_all();
1954 1954
1955 /* Check the MPU rate set by bootloader */ 1955 /* XXX Can this be done from the virt_prcm_set clk init function? */
1956 clkrate = omap2xxx_clk_get_core_rate(&dpll_ck); 1956 omap2xxx_clkt_vps_check_bootloader_rates();
1957 for (prcm = rate_table; prcm->mpu_speed; prcm++) {
1958 if (!(prcm->flags & cpu_mask))
1959 continue;
1960 if (prcm->xtal_speed != sys_ck.rate)
1961 continue;
1962 if (prcm->dpll_speed <= clkrate)
1963 break;
1964 }
1965 curr_prcm_set = prcm;
1966 1957
1967 recalculate_root_clocks(); 1958 recalculate_root_clocks();
1968 1959
@@ -1976,11 +1967,6 @@ int __init omap2420_clk_init(void)
1976 */ 1967 */
1977 clk_enable_init_clocks(); 1968 clk_enable_init_clocks();
1978 1969
1979 /* Avoid sleeping sleeping during omap2_clk_prepare_for_reboot() */
1980 vclk = clk_get(NULL, "virt_prcm_set");
1981 sclk = clk_get(NULL, "sys_ck");
1982 dclk = clk_get(NULL, "dpll_ck");
1983
1984 return 0; 1970 return 0;
1985} 1971}
1986 1972
diff --git a/arch/arm/mach-omap2/clock2430.c b/arch/arm/mach-omap2/clock2430.c
index 850f83e8954f..e37df538bcd3 100644
--- a/arch/arm/mach-omap2/clock2430.c
+++ b/arch/arm/mach-omap2/clock2430.c
@@ -25,7 +25,7 @@
25#include "iomap.h" 25#include "iomap.h"
26#include "clock.h" 26#include "clock.h"
27#include "clock2xxx.h" 27#include "clock2xxx.h"
28#include "cm2xxx_3xxx.h" 28#include "cm2xxx.h"
29#include "cm-regbits-24xx.h" 29#include "cm-regbits-24xx.h"
30 30
31/** 31/**
diff --git a/arch/arm/mach-omap2/clock2430_data.c b/arch/arm/mach-omap2/clock2430_data.c
index cab8e9c52d6e..b179b6ef4329 100644
--- a/arch/arm/mach-omap2/clock2430_data.c
+++ b/arch/arm/mach-omap2/clock2430_data.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * OMAP2430 clock data 2 * OMAP2430 clock data
3 * 3 *
4 * Copyright (C) 2005-2009 Texas Instruments, Inc. 4 * Copyright (C) 2005-2009, 2012 Texas Instruments, Inc.
5 * Copyright (C) 2004-2011 Nokia Corporation 5 * Copyright (C) 2004-2011 Nokia Corporation
6 * 6 *
7 * Contacts: 7 * Contacts:
@@ -22,7 +22,7 @@
22#include "clock.h" 22#include "clock.h"
23#include "clock2xxx.h" 23#include "clock2xxx.h"
24#include "opp2xxx.h" 24#include "opp2xxx.h"
25#include "cm2xxx_3xxx.h" 25#include "cm2xxx.h"
26#include "prm2xxx_3xxx.h" 26#include "prm2xxx_3xxx.h"
27#include "prm-regbits-24xx.h" 27#include "prm-regbits-24xx.h"
28#include "cm-regbits-24xx.h" 28#include "cm-regbits-24xx.h"
@@ -123,6 +123,7 @@ static struct clk dpll_ck = {
123 .name = "dpll_ck", 123 .name = "dpll_ck",
124 .ops = &clkops_omap2xxx_dpll_ops, 124 .ops = &clkops_omap2xxx_dpll_ops,
125 .parent = &sys_ck, /* Can be func_32k also */ 125 .parent = &sys_ck, /* Can be func_32k also */
126 .init = &omap2xxx_clkt_dpllcore_init,
126 .dpll_data = &dpll_dd, 127 .dpll_data = &dpll_dd,
127 .clkdm_name = "wkup_clkdm", 128 .clkdm_name = "wkup_clkdm",
128 .recalc = &omap2_dpllcore_recalc, 129 .recalc = &omap2_dpllcore_recalc,
@@ -2023,12 +2024,9 @@ static struct omap_clk omap2430_clks[] = {
2023 2024
2024int __init omap2430_clk_init(void) 2025int __init omap2430_clk_init(void)
2025{ 2026{
2026 const struct prcm_config *prcm;
2027 struct omap_clk *c; 2027 struct omap_clk *c;
2028 u32 clkrate;
2029 2028
2030 prcm_clksrc_ctrl = OMAP2430_PRCM_CLKSRC_CTRL; 2029 prcm_clksrc_ctrl = OMAP2430_PRCM_CLKSRC_CTRL;
2031 cm_idlest_pll = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST);
2032 cpu_mask = RATE_IN_243X; 2030 cpu_mask = RATE_IN_243X;
2033 rate_table = omap2430_rate_table; 2031 rate_table = omap2430_rate_table;
2034 2032
@@ -2048,20 +2046,13 @@ int __init omap2430_clk_init(void)
2048 omap2_init_clk_clkdm(c->lk.clk); 2046 omap2_init_clk_clkdm(c->lk.clk);
2049 } 2047 }
2050 2048
2049 omap2xxx_clkt_vps_late_init();
2050
2051 /* Disable autoidle on all clocks; let the PM code enable it later */ 2051 /* Disable autoidle on all clocks; let the PM code enable it later */
2052 omap_clk_disable_autoidle_all(); 2052 omap_clk_disable_autoidle_all();
2053 2053
2054 /* Check the MPU rate set by bootloader */ 2054 /* XXX Can this be done from the virt_prcm_set clk init function? */
2055 clkrate = omap2xxx_clk_get_core_rate(&dpll_ck); 2055 omap2xxx_clkt_vps_check_bootloader_rates();
2056 for (prcm = rate_table; prcm->mpu_speed; prcm++) {
2057 if (!(prcm->flags & cpu_mask))
2058 continue;
2059 if (prcm->xtal_speed != sys_ck.rate)
2060 continue;
2061 if (prcm->dpll_speed <= clkrate)
2062 break;
2063 }
2064 curr_prcm_set = prcm;
2065 2056
2066 recalculate_root_clocks(); 2057 recalculate_root_clocks();
2067 2058
@@ -2075,11 +2066,6 @@ int __init omap2430_clk_init(void)
2075 */ 2066 */
2076 clk_enable_init_clocks(); 2067 clk_enable_init_clocks();
2077 2068
2078 /* Avoid sleeping sleeping during omap2_clk_prepare_for_reboot() */
2079 vclk = clk_get(NULL, "virt_prcm_set");
2080 sclk = clk_get(NULL, "sys_ck");
2081 dclk = clk_get(NULL, "dpll_ck");
2082
2083 return 0; 2069 return 0;
2084} 2070}
2085 2071
diff --git a/arch/arm/mach-omap2/clock2xxx.c b/arch/arm/mach-omap2/clock2xxx.c
index 5feee16fee0e..5f7faeb4c19b 100644
--- a/arch/arm/mach-omap2/clock2xxx.c
+++ b/arch/arm/mach-omap2/clock2xxx.c
@@ -28,27 +28,11 @@
28#include "cm.h" 28#include "cm.h"
29#include "cm-regbits-24xx.h" 29#include "cm-regbits-24xx.h"
30 30
31struct clk *vclk, *sclk, *dclk;
32
33/* 31/*
34 * Omap24xx specific clock functions 32 * Omap24xx specific clock functions
35 */ 33 */
36 34
37/* 35/*
38 * Set clocks for bypass mode for reboot to work.
39 */
40void omap2xxx_clk_prepare_for_reboot(void)
41{
42 u32 rate;
43
44 if (vclk == NULL || sclk == NULL)
45 return;
46
47 rate = clk_get_rate(sclk);
48 clk_set_rate(vclk, rate);
49}
50
51/*
52 * Switch the MPU rate if specified on cmdline. We cannot do this 36 * Switch the MPU rate if specified on cmdline. We cannot do this
53 * early until cmdline is parsed. XXX This should be removed from the 37 * early until cmdline is parsed. XXX This should be removed from the
54 * clock code and handled by the OPP layer code in the near future. 38 * clock code and handled by the OPP layer code in the near future.
diff --git a/arch/arm/mach-omap2/clock2xxx.h b/arch/arm/mach-omap2/clock2xxx.h
index cb6df8ca9e4a..ce809c913b6f 100644
--- a/arch/arm/mach-omap2/clock2xxx.h
+++ b/arch/arm/mach-omap2/clock2xxx.h
@@ -15,10 +15,13 @@ unsigned long omap2xxx_sys_clk_recalc(struct clk *clk);
15unsigned long omap2_osc_clk_recalc(struct clk *clk); 15unsigned long omap2_osc_clk_recalc(struct clk *clk);
16unsigned long omap2_dpllcore_recalc(struct clk *clk); 16unsigned long omap2_dpllcore_recalc(struct clk *clk);
17int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate); 17int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate);
18unsigned long omap2xxx_clk_get_core_rate(struct clk *clk); 18unsigned long omap2xxx_clk_get_core_rate(void);
19u32 omap2xxx_get_apll_clkin(void); 19u32 omap2xxx_get_apll_clkin(void);
20u32 omap2xxx_get_sysclkdiv(void); 20u32 omap2xxx_get_sysclkdiv(void);
21void omap2xxx_clk_prepare_for_reboot(void); 21void omap2xxx_clk_prepare_for_reboot(void);
22void omap2xxx_clkt_dpllcore_init(struct clk *clk);
23void omap2xxx_clkt_vps_check_bootloader_rates(void);
24void omap2xxx_clkt_vps_late_init(void);
22 25
23#ifdef CONFIG_SOC_OMAP2420 26#ifdef CONFIG_SOC_OMAP2420
24int omap2420_clk_init(void); 27int omap2420_clk_init(void);
@@ -32,9 +35,7 @@ int omap2430_clk_init(void);
32#define omap2430_clk_init() do { } while(0) 35#define omap2430_clk_init() do { } while(0)
33#endif 36#endif
34 37
35extern void __iomem *prcm_clksrc_ctrl, *cm_idlest_pll; 38extern void __iomem *prcm_clksrc_ctrl;
36
37extern struct clk *dclk;
38 39
39extern const struct clkops clkops_omap2430_i2chs_wait; 40extern const struct clkops clkops_omap2430_i2chs_wait;
40extern const struct clkops clkops_oscck; 41extern const struct clkops clkops_oscck;
diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c
index baaaa4258708..e41819ba7482 100644
--- a/arch/arm/mach-omap2/clock34xx.c
+++ b/arch/arm/mach-omap2/clock34xx.c
@@ -23,7 +23,7 @@
23 23
24#include "clock.h" 24#include "clock.h"
25#include "clock34xx.h" 25#include "clock34xx.h"
26#include "cm2xxx_3xxx.h" 26#include "cm3xxx.h"
27#include "cm-regbits-34xx.h" 27#include "cm-regbits-34xx.h"
28 28
29/** 29/**
diff --git a/arch/arm/mach-omap2/clock3517.c b/arch/arm/mach-omap2/clock3517.c
index 80209050cd7a..622ea0502610 100644
--- a/arch/arm/mach-omap2/clock3517.c
+++ b/arch/arm/mach-omap2/clock3517.c
@@ -23,7 +23,7 @@
23 23
24#include "clock.h" 24#include "clock.h"
25#include "clock3517.h" 25#include "clock3517.h"
26#include "cm2xxx_3xxx.h" 26#include "cm3xxx.h"
27#include "cm-regbits-34xx.h" 27#include "cm-regbits-34xx.h"
28 28
29/* 29/*
diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index a02d158568e8..6cca19953950 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -28,7 +28,7 @@
28#include "clock34xx.h" 28#include "clock34xx.h"
29#include "clock36xx.h" 29#include "clock36xx.h"
30#include "clock3517.h" 30#include "clock3517.h"
31#include "cm2xxx_3xxx.h" 31#include "cm3xxx.h"
32#include "cm-regbits-34xx.h" 32#include "cm-regbits-34xx.h"
33#include "prm2xxx_3xxx.h" 33#include "prm2xxx_3xxx.h"
34#include "prm-regbits-34xx.h" 34#include "prm-regbits-34xx.h"
diff --git a/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c b/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c
deleted file mode 100644
index 3e4e9209b2df..000000000000
--- a/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c
+++ /dev/null
@@ -1,341 +0,0 @@
1/*
2 * OMAP2 and OMAP3 clockdomain control
3 *
4 * Copyright (C) 2008-2010 Texas Instruments, Inc.
5 * Copyright (C) 2008-2010 Nokia Corporation
6 *
7 * Derived from mach-omap2/clockdomain.c written by Paul Walmsley
8 * Rajendra Nayak <rnayak@ti.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
15#include <linux/types.h>
16#include <plat/prcm.h>
17
18#include "soc.h"
19#include "prm.h"
20#include "prm2xxx_3xxx.h"
21#include "cm.h"
22#include "cm2xxx_3xxx.h"
23#include "cm-regbits-24xx.h"
24#include "cm-regbits-34xx.h"
25#include "prm-regbits-24xx.h"
26#include "clockdomain.h"
27
28static int omap2_clkdm_add_wkdep(struct clockdomain *clkdm1,
29 struct clockdomain *clkdm2)
30{
31 omap2_prm_set_mod_reg_bits((1 << clkdm2->dep_bit),
32 clkdm1->pwrdm.ptr->prcm_offs, PM_WKDEP);
33 return 0;
34}
35
36static int omap2_clkdm_del_wkdep(struct clockdomain *clkdm1,
37 struct clockdomain *clkdm2)
38{
39 omap2_prm_clear_mod_reg_bits((1 << clkdm2->dep_bit),
40 clkdm1->pwrdm.ptr->prcm_offs, PM_WKDEP);
41 return 0;
42}
43
44static int omap2_clkdm_read_wkdep(struct clockdomain *clkdm1,
45 struct clockdomain *clkdm2)
46{
47 return omap2_prm_read_mod_bits_shift(clkdm1->pwrdm.ptr->prcm_offs,
48 PM_WKDEP, (1 << clkdm2->dep_bit));
49}
50
51static int omap2_clkdm_clear_all_wkdeps(struct clockdomain *clkdm)
52{
53 struct clkdm_dep *cd;
54 u32 mask = 0;
55
56 for (cd = clkdm->wkdep_srcs; cd && cd->clkdm_name; cd++) {
57 if (!cd->clkdm)
58 continue; /* only happens if data is erroneous */
59
60 /* PRM accesses are slow, so minimize them */
61 mask |= 1 << cd->clkdm->dep_bit;
62 atomic_set(&cd->wkdep_usecount, 0);
63 }
64
65 omap2_prm_clear_mod_reg_bits(mask, clkdm->pwrdm.ptr->prcm_offs,
66 PM_WKDEP);
67 return 0;
68}
69
70static int omap3_clkdm_add_sleepdep(struct clockdomain *clkdm1,
71 struct clockdomain *clkdm2)
72{
73 omap2_cm_set_mod_reg_bits((1 << clkdm2->dep_bit),
74 clkdm1->pwrdm.ptr->prcm_offs,
75 OMAP3430_CM_SLEEPDEP);
76 return 0;
77}
78
79static int omap3_clkdm_del_sleepdep(struct clockdomain *clkdm1,
80 struct clockdomain *clkdm2)
81{
82 omap2_cm_clear_mod_reg_bits((1 << clkdm2->dep_bit),
83 clkdm1->pwrdm.ptr->prcm_offs,
84 OMAP3430_CM_SLEEPDEP);
85 return 0;
86}
87
88static int omap3_clkdm_read_sleepdep(struct clockdomain *clkdm1,
89 struct clockdomain *clkdm2)
90{
91 return omap2_prm_read_mod_bits_shift(clkdm1->pwrdm.ptr->prcm_offs,
92 OMAP3430_CM_SLEEPDEP, (1 << clkdm2->dep_bit));
93}
94
95static int omap3_clkdm_clear_all_sleepdeps(struct clockdomain *clkdm)
96{
97 struct clkdm_dep *cd;
98 u32 mask = 0;
99
100 for (cd = clkdm->sleepdep_srcs; cd && cd->clkdm_name; cd++) {
101 if (!cd->clkdm)
102 continue; /* only happens if data is erroneous */
103
104 /* PRM accesses are slow, so minimize them */
105 mask |= 1 << cd->clkdm->dep_bit;
106 atomic_set(&cd->sleepdep_usecount, 0);
107 }
108 omap2_prm_clear_mod_reg_bits(mask, clkdm->pwrdm.ptr->prcm_offs,
109 OMAP3430_CM_SLEEPDEP);
110 return 0;
111}
112
113static int omap2_clkdm_sleep(struct clockdomain *clkdm)
114{
115 omap2_cm_set_mod_reg_bits(OMAP24XX_FORCESTATE_MASK,
116 clkdm->pwrdm.ptr->prcm_offs,
117 OMAP2_PM_PWSTCTRL);
118 return 0;
119}
120
121static int omap2_clkdm_wakeup(struct clockdomain *clkdm)
122{
123 omap2_cm_clear_mod_reg_bits(OMAP24XX_FORCESTATE_MASK,
124 clkdm->pwrdm.ptr->prcm_offs,
125 OMAP2_PM_PWSTCTRL);
126 return 0;
127}
128
129static void omap2_clkdm_allow_idle(struct clockdomain *clkdm)
130{
131 if (atomic_read(&clkdm->usecount) > 0)
132 _clkdm_add_autodeps(clkdm);
133
134 omap2xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
135 clkdm->clktrctrl_mask);
136}
137
138static void omap2_clkdm_deny_idle(struct clockdomain *clkdm)
139{
140 omap2xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
141 clkdm->clktrctrl_mask);
142
143 if (atomic_read(&clkdm->usecount) > 0)
144 _clkdm_del_autodeps(clkdm);
145}
146
147static void _enable_hwsup(struct clockdomain *clkdm)
148{
149 if (cpu_is_omap24xx())
150 omap2xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
151 clkdm->clktrctrl_mask);
152 else if (cpu_is_omap34xx())
153 omap3xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
154 clkdm->clktrctrl_mask);
155}
156
157static void _disable_hwsup(struct clockdomain *clkdm)
158{
159 if (cpu_is_omap24xx())
160 omap2xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
161 clkdm->clktrctrl_mask);
162 else if (cpu_is_omap34xx())
163 omap3xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
164 clkdm->clktrctrl_mask);
165}
166
167static int omap3_clkdm_sleep(struct clockdomain *clkdm)
168{
169 omap3xxx_cm_clkdm_force_sleep(clkdm->pwrdm.ptr->prcm_offs,
170 clkdm->clktrctrl_mask);
171 return 0;
172}
173
174static int omap3_clkdm_wakeup(struct clockdomain *clkdm)
175{
176 omap3xxx_cm_clkdm_force_wakeup(clkdm->pwrdm.ptr->prcm_offs,
177 clkdm->clktrctrl_mask);
178 return 0;
179}
180
181static int omap2_clkdm_clk_enable(struct clockdomain *clkdm)
182{
183 bool hwsup = false;
184
185 if (!clkdm->clktrctrl_mask)
186 return 0;
187
188 hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
189 clkdm->clktrctrl_mask);
190
191 if (hwsup) {
192 /* Disable HW transitions when we are changing deps */
193 _disable_hwsup(clkdm);
194 _clkdm_add_autodeps(clkdm);
195 _enable_hwsup(clkdm);
196 } else {
197 if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
198 omap2_clkdm_wakeup(clkdm);
199 }
200
201 return 0;
202}
203
204static int omap2_clkdm_clk_disable(struct clockdomain *clkdm)
205{
206 bool hwsup = false;
207
208 if (!clkdm->clktrctrl_mask)
209 return 0;
210
211 hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
212 clkdm->clktrctrl_mask);
213
214 if (hwsup) {
215 /* Disable HW transitions when we are changing deps */
216 _disable_hwsup(clkdm);
217 _clkdm_del_autodeps(clkdm);
218 _enable_hwsup(clkdm);
219 } else {
220 if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP)
221 omap2_clkdm_sleep(clkdm);
222 }
223
224 return 0;
225}
226
227static void omap3_clkdm_allow_idle(struct clockdomain *clkdm)
228{
229 if (atomic_read(&clkdm->usecount) > 0)
230 _clkdm_add_autodeps(clkdm);
231
232 omap3xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
233 clkdm->clktrctrl_mask);
234}
235
236static void omap3_clkdm_deny_idle(struct clockdomain *clkdm)
237{
238 omap3xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
239 clkdm->clktrctrl_mask);
240
241 if (atomic_read(&clkdm->usecount) > 0)
242 _clkdm_del_autodeps(clkdm);
243}
244
245static int omap3xxx_clkdm_clk_enable(struct clockdomain *clkdm)
246{
247 bool hwsup = false;
248
249 if (!clkdm->clktrctrl_mask)
250 return 0;
251
252 /*
253 * The CLKDM_MISSING_IDLE_REPORTING flag documentation has
254 * more details on the unpleasant problem this is working
255 * around
256 */
257 if ((clkdm->flags & CLKDM_MISSING_IDLE_REPORTING) &&
258 (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)) {
259 omap3_clkdm_wakeup(clkdm);
260 return 0;
261 }
262
263 hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
264 clkdm->clktrctrl_mask);
265
266 if (hwsup) {
267 /* Disable HW transitions when we are changing deps */
268 _disable_hwsup(clkdm);
269 _clkdm_add_autodeps(clkdm);
270 _enable_hwsup(clkdm);
271 } else {
272 if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
273 omap3_clkdm_wakeup(clkdm);
274 }
275
276 return 0;
277}
278
279static int omap3xxx_clkdm_clk_disable(struct clockdomain *clkdm)
280{
281 bool hwsup = false;
282
283 if (!clkdm->clktrctrl_mask)
284 return 0;
285
286 /*
287 * The CLKDM_MISSING_IDLE_REPORTING flag documentation has
288 * more details on the unpleasant problem this is working
289 * around
290 */
291 if (clkdm->flags & CLKDM_MISSING_IDLE_REPORTING &&
292 !(clkdm->flags & CLKDM_CAN_FORCE_SLEEP)) {
293 _enable_hwsup(clkdm);
294 return 0;
295 }
296
297 hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
298 clkdm->clktrctrl_mask);
299
300 if (hwsup) {
301 /* Disable HW transitions when we are changing deps */
302 _disable_hwsup(clkdm);
303 _clkdm_del_autodeps(clkdm);
304 _enable_hwsup(clkdm);
305 } else {
306 if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP)
307 omap3_clkdm_sleep(clkdm);
308 }
309
310 return 0;
311}
312
313struct clkdm_ops omap2_clkdm_operations = {
314 .clkdm_add_wkdep = omap2_clkdm_add_wkdep,
315 .clkdm_del_wkdep = omap2_clkdm_del_wkdep,
316 .clkdm_read_wkdep = omap2_clkdm_read_wkdep,
317 .clkdm_clear_all_wkdeps = omap2_clkdm_clear_all_wkdeps,
318 .clkdm_sleep = omap2_clkdm_sleep,
319 .clkdm_wakeup = omap2_clkdm_wakeup,
320 .clkdm_allow_idle = omap2_clkdm_allow_idle,
321 .clkdm_deny_idle = omap2_clkdm_deny_idle,
322 .clkdm_clk_enable = omap2_clkdm_clk_enable,
323 .clkdm_clk_disable = omap2_clkdm_clk_disable,
324};
325
326struct clkdm_ops omap3_clkdm_operations = {
327 .clkdm_add_wkdep = omap2_clkdm_add_wkdep,
328 .clkdm_del_wkdep = omap2_clkdm_del_wkdep,
329 .clkdm_read_wkdep = omap2_clkdm_read_wkdep,
330 .clkdm_clear_all_wkdeps = omap2_clkdm_clear_all_wkdeps,
331 .clkdm_add_sleepdep = omap3_clkdm_add_sleepdep,
332 .clkdm_del_sleepdep = omap3_clkdm_del_sleepdep,
333 .clkdm_read_sleepdep = omap3_clkdm_read_sleepdep,
334 .clkdm_clear_all_sleepdeps = omap3_clkdm_clear_all_sleepdeps,
335 .clkdm_sleep = omap3_clkdm_sleep,
336 .clkdm_wakeup = omap3_clkdm_wakeup,
337 .clkdm_allow_idle = omap3_clkdm_allow_idle,
338 .clkdm_deny_idle = omap3_clkdm_deny_idle,
339 .clkdm_clk_enable = omap3xxx_clkdm_clk_enable,
340 .clkdm_clk_disable = omap3xxx_clkdm_clk_disable,
341};
diff --git a/arch/arm/mach-omap2/clockdomain33xx.c b/arch/arm/mach-omap2/clockdomain33xx.c
deleted file mode 100644
index aca6388fad76..000000000000
--- a/arch/arm/mach-omap2/clockdomain33xx.c
+++ /dev/null
@@ -1,74 +0,0 @@
1/*
2 * AM33XX clockdomain control
3 *
4 * Copyright (C) 2011-2012 Texas Instruments Incorporated - http://www.ti.com/
5 * Vaibhav Hiremath <hvaibhav@ti.com>
6 *
7 * Derived from mach-omap2/clockdomain44xx.c written by Rajendra Nayak
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation version 2.
12 *
13 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
14 * kind, whether express or implied; without even the implied warranty
15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
18
19#include <linux/kernel.h>
20
21#include "clockdomain.h"
22#include "cm33xx.h"
23
24
25static int am33xx_clkdm_sleep(struct clockdomain *clkdm)
26{
27 am33xx_cm_clkdm_force_sleep(clkdm->cm_inst, clkdm->clkdm_offs);
28 return 0;
29}
30
31static int am33xx_clkdm_wakeup(struct clockdomain *clkdm)
32{
33 am33xx_cm_clkdm_force_wakeup(clkdm->cm_inst, clkdm->clkdm_offs);
34 return 0;
35}
36
37static void am33xx_clkdm_allow_idle(struct clockdomain *clkdm)
38{
39 am33xx_cm_clkdm_enable_hwsup(clkdm->cm_inst, clkdm->clkdm_offs);
40}
41
42static void am33xx_clkdm_deny_idle(struct clockdomain *clkdm)
43{
44 am33xx_cm_clkdm_disable_hwsup(clkdm->cm_inst, clkdm->clkdm_offs);
45}
46
47static int am33xx_clkdm_clk_enable(struct clockdomain *clkdm)
48{
49 if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
50 return am33xx_clkdm_wakeup(clkdm);
51
52 return 0;
53}
54
55static int am33xx_clkdm_clk_disable(struct clockdomain *clkdm)
56{
57 bool hwsup = false;
58
59 hwsup = am33xx_cm_is_clkdm_in_hwsup(clkdm->cm_inst, clkdm->clkdm_offs);
60
61 if (!hwsup && (clkdm->flags & CLKDM_CAN_FORCE_SLEEP))
62 am33xx_clkdm_sleep(clkdm);
63
64 return 0;
65}
66
67struct clkdm_ops am33xx_clkdm_operations = {
68 .clkdm_sleep = am33xx_clkdm_sleep,
69 .clkdm_wakeup = am33xx_clkdm_wakeup,
70 .clkdm_allow_idle = am33xx_clkdm_allow_idle,
71 .clkdm_deny_idle = am33xx_clkdm_deny_idle,
72 .clkdm_clk_enable = am33xx_clkdm_clk_enable,
73 .clkdm_clk_disable = am33xx_clkdm_clk_disable,
74};
diff --git a/arch/arm/mach-omap2/clockdomain44xx.c b/arch/arm/mach-omap2/clockdomain44xx.c
deleted file mode 100644
index 6fc6155625bc..000000000000
--- a/arch/arm/mach-omap2/clockdomain44xx.c
+++ /dev/null
@@ -1,151 +0,0 @@
1/*
2 * OMAP4 clockdomain control
3 *
4 * Copyright (C) 2008-2010 Texas Instruments, Inc.
5 * Copyright (C) 2008-2010 Nokia Corporation
6 *
7 * Derived from mach-omap2/clockdomain.c written by Paul Walmsley
8 * Rajendra Nayak <rnayak@ti.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
15#include <linux/kernel.h>
16#include "clockdomain.h"
17#include "cminst44xx.h"
18#include "cm44xx.h"
19
20static int omap4_clkdm_add_wkup_sleep_dep(struct clockdomain *clkdm1,
21 struct clockdomain *clkdm2)
22{
23 omap4_cminst_set_inst_reg_bits((1 << clkdm2->dep_bit),
24 clkdm1->prcm_partition,
25 clkdm1->cm_inst, clkdm1->clkdm_offs +
26 OMAP4_CM_STATICDEP);
27 return 0;
28}
29
30static int omap4_clkdm_del_wkup_sleep_dep(struct clockdomain *clkdm1,
31 struct clockdomain *clkdm2)
32{
33 omap4_cminst_clear_inst_reg_bits((1 << clkdm2->dep_bit),
34 clkdm1->prcm_partition,
35 clkdm1->cm_inst, clkdm1->clkdm_offs +
36 OMAP4_CM_STATICDEP);
37 return 0;
38}
39
40static int omap4_clkdm_read_wkup_sleep_dep(struct clockdomain *clkdm1,
41 struct clockdomain *clkdm2)
42{
43 return omap4_cminst_read_inst_reg_bits(clkdm1->prcm_partition,
44 clkdm1->cm_inst, clkdm1->clkdm_offs +
45 OMAP4_CM_STATICDEP,
46 (1 << clkdm2->dep_bit));
47}
48
49static int omap4_clkdm_clear_all_wkup_sleep_deps(struct clockdomain *clkdm)
50{
51 struct clkdm_dep *cd;
52 u32 mask = 0;
53
54 if (!clkdm->prcm_partition)
55 return 0;
56
57 for (cd = clkdm->wkdep_srcs; cd && cd->clkdm_name; cd++) {
58 if (!cd->clkdm)
59 continue; /* only happens if data is erroneous */
60
61 mask |= 1 << cd->clkdm->dep_bit;
62 atomic_set(&cd->wkdep_usecount, 0);
63 }
64
65 omap4_cminst_clear_inst_reg_bits(mask, clkdm->prcm_partition,
66 clkdm->cm_inst, clkdm->clkdm_offs +
67 OMAP4_CM_STATICDEP);
68 return 0;
69}
70
71static int omap4_clkdm_sleep(struct clockdomain *clkdm)
72{
73 omap4_cminst_clkdm_enable_hwsup(clkdm->prcm_partition,
74 clkdm->cm_inst, clkdm->clkdm_offs);
75 return 0;
76}
77
78static int omap4_clkdm_wakeup(struct clockdomain *clkdm)
79{
80 omap4_cminst_clkdm_force_wakeup(clkdm->prcm_partition,
81 clkdm->cm_inst, clkdm->clkdm_offs);
82 return 0;
83}
84
85static void omap4_clkdm_allow_idle(struct clockdomain *clkdm)
86{
87 omap4_cminst_clkdm_enable_hwsup(clkdm->prcm_partition,
88 clkdm->cm_inst, clkdm->clkdm_offs);
89}
90
91static void omap4_clkdm_deny_idle(struct clockdomain *clkdm)
92{
93 if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
94 omap4_clkdm_wakeup(clkdm);
95 else
96 omap4_cminst_clkdm_disable_hwsup(clkdm->prcm_partition,
97 clkdm->cm_inst,
98 clkdm->clkdm_offs);
99}
100
101static int omap4_clkdm_clk_enable(struct clockdomain *clkdm)
102{
103 if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
104 return omap4_clkdm_wakeup(clkdm);
105
106 return 0;
107}
108
109static int omap4_clkdm_clk_disable(struct clockdomain *clkdm)
110{
111 bool hwsup = false;
112
113 if (!clkdm->prcm_partition)
114 return 0;
115
116 /*
117 * The CLKDM_MISSING_IDLE_REPORTING flag documentation has
118 * more details on the unpleasant problem this is working
119 * around
120 */
121 if (clkdm->flags & CLKDM_MISSING_IDLE_REPORTING &&
122 !(clkdm->flags & CLKDM_CAN_FORCE_SLEEP)) {
123 omap4_clkdm_allow_idle(clkdm);
124 return 0;
125 }
126
127 hwsup = omap4_cminst_is_clkdm_in_hwsup(clkdm->prcm_partition,
128 clkdm->cm_inst, clkdm->clkdm_offs);
129
130 if (!hwsup && (clkdm->flags & CLKDM_CAN_FORCE_SLEEP))
131 omap4_clkdm_sleep(clkdm);
132
133 return 0;
134}
135
136struct clkdm_ops omap4_clkdm_operations = {
137 .clkdm_add_wkdep = omap4_clkdm_add_wkup_sleep_dep,
138 .clkdm_del_wkdep = omap4_clkdm_del_wkup_sleep_dep,
139 .clkdm_read_wkdep = omap4_clkdm_read_wkup_sleep_dep,
140 .clkdm_clear_all_wkdeps = omap4_clkdm_clear_all_wkup_sleep_deps,
141 .clkdm_add_sleepdep = omap4_clkdm_add_wkup_sleep_dep,
142 .clkdm_del_sleepdep = omap4_clkdm_del_wkup_sleep_dep,
143 .clkdm_read_sleepdep = omap4_clkdm_read_wkup_sleep_dep,
144 .clkdm_clear_all_sleepdeps = omap4_clkdm_clear_all_wkup_sleep_deps,
145 .clkdm_sleep = omap4_clkdm_sleep,
146 .clkdm_wakeup = omap4_clkdm_wakeup,
147 .clkdm_allow_idle = omap4_clkdm_allow_idle,
148 .clkdm_deny_idle = omap4_clkdm_deny_idle,
149 .clkdm_clk_enable = omap4_clkdm_clk_enable,
150 .clkdm_clk_disable = omap4_clkdm_clk_disable,
151};
diff --git a/arch/arm/mach-omap2/cm-regbits-24xx.h b/arch/arm/mach-omap2/cm-regbits-24xx.h
index 686290437568..11eaf16880c4 100644
--- a/arch/arm/mach-omap2/cm-regbits-24xx.h
+++ b/arch/arm/mach-omap2/cm-regbits-24xx.h
@@ -333,7 +333,9 @@
333#define OMAP24XX_EN_DPLL_MASK (0x3 << 0) 333#define OMAP24XX_EN_DPLL_MASK (0x3 << 0)
334 334
335/* CM_IDLEST_CKGEN */ 335/* CM_IDLEST_CKGEN */
336#define OMAP24XX_ST_54M_APLL_SHIFT 9
336#define OMAP24XX_ST_54M_APLL_MASK (1 << 9) 337#define OMAP24XX_ST_54M_APLL_MASK (1 << 9)
338#define OMAP24XX_ST_96M_APLL_SHIFT 8
337#define OMAP24XX_ST_96M_APLL_MASK (1 << 8) 339#define OMAP24XX_ST_96M_APLL_MASK (1 << 8)
338#define OMAP24XX_ST_54M_CLK_MASK (1 << 6) 340#define OMAP24XX_ST_54M_CLK_MASK (1 << 6)
339#define OMAP24XX_ST_12M_CLK_MASK (1 << 5) 341#define OMAP24XX_ST_12M_CLK_MASK (1 << 5)
diff --git a/arch/arm/mach-omap2/cm.h b/arch/arm/mach-omap2/cm.h
index f24e3f7a2bbc..93473f9a551c 100644
--- a/arch/arm/mach-omap2/cm.h
+++ b/arch/arm/mach-omap2/cm.h
@@ -1,7 +1,7 @@
1/* 1/*
2 * OMAP2+ Clock Management prototypes 2 * OMAP2+ Clock Management prototypes
3 * 3 *
4 * Copyright (C) 2007-2009 Texas Instruments, Inc. 4 * Copyright (C) 2007-2009, 2012 Texas Instruments, Inc.
5 * Copyright (C) 2007-2009 Nokia Corporation 5 * Copyright (C) 2007-2009 Nokia Corporation
6 * 6 *
7 * Written by Paul Walmsley 7 * Written by Paul Walmsley
@@ -22,6 +22,12 @@
22 */ 22 */
23#define MAX_MODULE_READY_TIME 2000 23#define MAX_MODULE_READY_TIME 2000
24 24
25# ifndef __ASSEMBLER__
26extern void __iomem *cm_base;
27extern void __iomem *cm2_base;
28extern void omap2_set_globals_cm(void __iomem *cm, void __iomem *cm2);
29# endif
30
25/* 31/*
26 * MAX_MODULE_DISABLE_TIME: max duration in microseconds to wait for 32 * MAX_MODULE_DISABLE_TIME: max duration in microseconds to wait for
27 * the PRCM to request that a module enter the inactive state in the 33 * the PRCM to request that a module enter the inactive state in the
@@ -33,4 +39,26 @@
33 */ 39 */
34#define MAX_MODULE_DISABLE_TIME 5000 40#define MAX_MODULE_DISABLE_TIME 5000
35 41
42# ifndef __ASSEMBLER__
43
44/**
45 * struct cm_ll_data - fn ptrs to per-SoC CM function implementations
46 * @split_idlest_reg: ptr to the SoC CM-specific split_idlest_reg impl
47 * @wait_module_ready: ptr to the SoC CM-specific wait_module_ready impl
48 */
49struct cm_ll_data {
50 int (*split_idlest_reg)(void __iomem *idlest_reg, s16 *prcm_inst,
51 u8 *idlest_reg_id);
52 int (*wait_module_ready)(s16 prcm_mod, u8 idlest_id, u8 idlest_shift);
53};
54
55extern int cm_split_idlest_reg(void __iomem *idlest_reg, s16 *prcm_inst,
56 u8 *idlest_reg_id);
57extern int cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift);
58
59extern int cm_register(struct cm_ll_data *cld);
60extern int cm_unregister(struct cm_ll_data *cld);
61
62# endif
63
36#endif 64#endif
diff --git a/arch/arm/mach-omap2/cm2xxx.c b/arch/arm/mach-omap2/cm2xxx.c
new file mode 100644
index 000000000000..db650690e9d0
--- /dev/null
+++ b/arch/arm/mach-omap2/cm2xxx.c
@@ -0,0 +1,381 @@
1/*
2 * OMAP2xxx CM module functions
3 *
4 * Copyright (C) 2009 Nokia Corporation
5 * Copyright (C) 2008-2010, 2012 Texas Instruments, Inc.
6 * Paul Walmsley
7 * Rajendra Nayak <rnayak@ti.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/kernel.h>
15#include <linux/types.h>
16#include <linux/delay.h>
17#include <linux/errno.h>
18#include <linux/err.h>
19#include <linux/io.h>
20
21#include "soc.h"
22#include "iomap.h"
23#include "common.h"
24#include "prm2xxx.h"
25#include "cm.h"
26#include "cm2xxx.h"
27#include "cm-regbits-24xx.h"
28#include "clockdomain.h"
29
30/* CM_AUTOIDLE_PLL.AUTO_* bit values for DPLLs */
31#define DPLL_AUTOIDLE_DISABLE 0x0
32#define OMAP2XXX_DPLL_AUTOIDLE_LOW_POWER_STOP 0x3
33
34/* CM_AUTOIDLE_PLL.AUTO_* bit values for APLLs (OMAP2xxx only) */
35#define OMAP2XXX_APLL_AUTOIDLE_DISABLE 0x0
36#define OMAP2XXX_APLL_AUTOIDLE_LOW_POWER_STOP 0x3
37
38/* CM_IDLEST_PLL bit value offset for APLLs (OMAP2xxx only) */
39#define EN_APLL_LOCKED 3
40
41static const u8 omap2xxx_cm_idlest_offs[] = {
42 CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3, OMAP24XX_CM_IDLEST4
43};
44
45/*
46 *
47 */
48
49static void _write_clktrctrl(u8 c, s16 module, u32 mask)
50{
51 u32 v;
52
53 v = omap2_cm_read_mod_reg(module, OMAP2_CM_CLKSTCTRL);
54 v &= ~mask;
55 v |= c << __ffs(mask);
56 omap2_cm_write_mod_reg(v, module, OMAP2_CM_CLKSTCTRL);
57}
58
59bool omap2xxx_cm_is_clkdm_in_hwsup(s16 module, u32 mask)
60{
61 u32 v;
62
63 v = omap2_cm_read_mod_reg(module, OMAP2_CM_CLKSTCTRL);
64 v &= mask;
65 v >>= __ffs(mask);
66
67 return (v == OMAP24XX_CLKSTCTRL_ENABLE_AUTO) ? 1 : 0;
68}
69
70void omap2xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask)
71{
72 _write_clktrctrl(OMAP24XX_CLKSTCTRL_ENABLE_AUTO, module, mask);
73}
74
75void omap2xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask)
76{
77 _write_clktrctrl(OMAP24XX_CLKSTCTRL_DISABLE_AUTO, module, mask);
78}
79
80/*
81 * DPLL autoidle control
82 */
83
84static void _omap2xxx_set_dpll_autoidle(u8 m)
85{
86 u32 v;
87
88 v = omap2_cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE);
89 v &= ~OMAP24XX_AUTO_DPLL_MASK;
90 v |= m << OMAP24XX_AUTO_DPLL_SHIFT;
91 omap2_cm_write_mod_reg(v, PLL_MOD, CM_AUTOIDLE);
92}
93
94void omap2xxx_cm_set_dpll_disable_autoidle(void)
95{
96 _omap2xxx_set_dpll_autoidle(OMAP2XXX_DPLL_AUTOIDLE_LOW_POWER_STOP);
97}
98
99void omap2xxx_cm_set_dpll_auto_low_power_stop(void)
100{
101 _omap2xxx_set_dpll_autoidle(DPLL_AUTOIDLE_DISABLE);
102}
103
104/*
105 * APLL control
106 */
107
108static void _omap2xxx_set_apll_autoidle(u8 m, u32 mask)
109{
110 u32 v;
111
112 v = omap2_cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE);
113 v &= ~mask;
114 v |= m << __ffs(mask);
115 omap2_cm_write_mod_reg(v, PLL_MOD, CM_AUTOIDLE);
116}
117
118void omap2xxx_cm_set_apll54_disable_autoidle(void)
119{
120 _omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_LOW_POWER_STOP,
121 OMAP24XX_AUTO_54M_MASK);
122}
123
124void omap2xxx_cm_set_apll54_auto_low_power_stop(void)
125{
126 _omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_DISABLE,
127 OMAP24XX_AUTO_54M_MASK);
128}
129
130void omap2xxx_cm_set_apll96_disable_autoidle(void)
131{
132 _omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_LOW_POWER_STOP,
133 OMAP24XX_AUTO_96M_MASK);
134}
135
136void omap2xxx_cm_set_apll96_auto_low_power_stop(void)
137{
138 _omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_DISABLE,
139 OMAP24XX_AUTO_96M_MASK);
140}
141
142/* Enable an APLL if off */
143static int _omap2xxx_apll_enable(u8 enable_bit, u8 status_bit)
144{
145 u32 v, m;
146
147 m = EN_APLL_LOCKED << enable_bit;
148
149 v = omap2_cm_read_mod_reg(PLL_MOD, CM_CLKEN);
150 if (v & m)
151 return 0; /* apll already enabled */
152
153 v |= m;
154 omap2_cm_write_mod_reg(v, PLL_MOD, CM_CLKEN);
155
156 omap2xxx_cm_wait_module_ready(PLL_MOD, 1, status_bit);
157
158 /*
159 * REVISIT: Should we return an error code if
160 * omap2xxx_cm_wait_module_ready() fails?
161 */
162 return 0;
163}
164
165/* Stop APLL */
166static void _omap2xxx_apll_disable(u8 enable_bit)
167{
168 u32 v;
169
170 v = omap2_cm_read_mod_reg(PLL_MOD, CM_CLKEN);
171 v &= ~(EN_APLL_LOCKED << enable_bit);
172 omap2_cm_write_mod_reg(v, PLL_MOD, CM_CLKEN);
173}
174
175/* Enable an APLL if off */
176int omap2xxx_cm_apll54_enable(void)
177{
178 return _omap2xxx_apll_enable(OMAP24XX_EN_54M_PLL_SHIFT,
179 OMAP24XX_ST_54M_APLL_SHIFT);
180}
181
182/* Enable an APLL if off */
183int omap2xxx_cm_apll96_enable(void)
184{
185 return _omap2xxx_apll_enable(OMAP24XX_EN_96M_PLL_SHIFT,
186 OMAP24XX_ST_96M_APLL_SHIFT);
187}
188
189/* Stop APLL */
190void omap2xxx_cm_apll54_disable(void)
191{
192 _omap2xxx_apll_disable(OMAP24XX_EN_54M_PLL_SHIFT);
193}
194
195/* Stop APLL */
196void omap2xxx_cm_apll96_disable(void)
197{
198 _omap2xxx_apll_disable(OMAP24XX_EN_96M_PLL_SHIFT);
199}
200
201/**
202 * omap2xxx_cm_split_idlest_reg - split CM_IDLEST reg addr into its components
203 * @idlest_reg: CM_IDLEST* virtual address
204 * @prcm_inst: pointer to an s16 to return the PRCM instance offset
205 * @idlest_reg_id: pointer to a u8 to return the CM_IDLESTx register ID
206 *
207 * XXX This function is only needed until absolute register addresses are
208 * removed from the OMAP struct clk records.
209 */
210int omap2xxx_cm_split_idlest_reg(void __iomem *idlest_reg, s16 *prcm_inst,
211 u8 *idlest_reg_id)
212{
213 unsigned long offs;
214 u8 idlest_offs;
215 int i;
216
217 if (idlest_reg < cm_base || idlest_reg > (cm_base + 0x0fff))
218 return -EINVAL;
219
220 idlest_offs = (unsigned long)idlest_reg & 0xff;
221 for (i = 0; i < ARRAY_SIZE(omap2xxx_cm_idlest_offs); i++) {
222 if (idlest_offs == omap2xxx_cm_idlest_offs[i]) {
223 *idlest_reg_id = i + 1;
224 break;
225 }
226 }
227
228 if (i == ARRAY_SIZE(omap2xxx_cm_idlest_offs))
229 return -EINVAL;
230
231 offs = idlest_reg - cm_base;
232 offs &= 0xff00;
233 *prcm_inst = offs;
234
235 return 0;
236}
237
238/*
239 *
240 */
241
242/**
243 * omap2xxx_cm_wait_module_ready - wait for a module to leave idle or standby
244 * @prcm_mod: PRCM module offset
245 * @idlest_id: CM_IDLESTx register ID (i.e., x = 1, 2, 3)
246 * @idlest_shift: shift of the bit in the CM_IDLEST* register to check
247 *
248 * Wait for the PRCM to indicate that the module identified by
249 * (@prcm_mod, @idlest_id, @idlest_shift) is clocked. Return 0 upon
250 * success or -EBUSY if the module doesn't enable in time.
251 */
252int omap2xxx_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift)
253{
254 int ena = 0, i = 0;
255 u8 cm_idlest_reg;
256 u32 mask;
257
258 if (!idlest_id || (idlest_id > ARRAY_SIZE(omap2xxx_cm_idlest_offs)))
259 return -EINVAL;
260
261 cm_idlest_reg = omap2xxx_cm_idlest_offs[idlest_id - 1];
262
263 mask = 1 << idlest_shift;
264 ena = mask;
265
266 omap_test_timeout(((omap2_cm_read_mod_reg(prcm_mod, cm_idlest_reg) &
267 mask) == ena), MAX_MODULE_READY_TIME, i);
268
269 return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY;
270}
271
272/* Clockdomain low-level functions */
273
274static void omap2xxx_clkdm_allow_idle(struct clockdomain *clkdm)
275{
276 if (atomic_read(&clkdm->usecount) > 0)
277 _clkdm_add_autodeps(clkdm);
278
279 omap2xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
280 clkdm->clktrctrl_mask);
281}
282
283static void omap2xxx_clkdm_deny_idle(struct clockdomain *clkdm)
284{
285 omap2xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
286 clkdm->clktrctrl_mask);
287
288 if (atomic_read(&clkdm->usecount) > 0)
289 _clkdm_del_autodeps(clkdm);
290}
291
292static int omap2xxx_clkdm_clk_enable(struct clockdomain *clkdm)
293{
294 bool hwsup = false;
295
296 if (!clkdm->clktrctrl_mask)
297 return 0;
298
299 hwsup = omap2xxx_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
300 clkdm->clktrctrl_mask);
301
302 if (hwsup) {
303 /* Disable HW transitions when we are changing deps */
304 omap2xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
305 clkdm->clktrctrl_mask);
306 _clkdm_add_autodeps(clkdm);
307 omap2xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
308 clkdm->clktrctrl_mask);
309 } else {
310 if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
311 omap2xxx_clkdm_wakeup(clkdm);
312 }
313
314 return 0;
315}
316
317static int omap2xxx_clkdm_clk_disable(struct clockdomain *clkdm)
318{
319 bool hwsup = false;
320
321 if (!clkdm->clktrctrl_mask)
322 return 0;
323
324 hwsup = omap2xxx_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
325 clkdm->clktrctrl_mask);
326
327 if (hwsup) {
328 /* Disable HW transitions when we are changing deps */
329 omap2xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
330 clkdm->clktrctrl_mask);
331 _clkdm_del_autodeps(clkdm);
332 omap2xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
333 clkdm->clktrctrl_mask);
334 } else {
335 if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP)
336 omap2xxx_clkdm_sleep(clkdm);
337 }
338
339 return 0;
340}
341
342struct clkdm_ops omap2_clkdm_operations = {
343 .clkdm_add_wkdep = omap2_clkdm_add_wkdep,
344 .clkdm_del_wkdep = omap2_clkdm_del_wkdep,
345 .clkdm_read_wkdep = omap2_clkdm_read_wkdep,
346 .clkdm_clear_all_wkdeps = omap2_clkdm_clear_all_wkdeps,
347 .clkdm_sleep = omap2xxx_clkdm_sleep,
348 .clkdm_wakeup = omap2xxx_clkdm_wakeup,
349 .clkdm_allow_idle = omap2xxx_clkdm_allow_idle,
350 .clkdm_deny_idle = omap2xxx_clkdm_deny_idle,
351 .clkdm_clk_enable = omap2xxx_clkdm_clk_enable,
352 .clkdm_clk_disable = omap2xxx_clkdm_clk_disable,
353};
354
355/*
356 *
357 */
358
359static struct cm_ll_data omap2xxx_cm_ll_data = {
360 .split_idlest_reg = &omap2xxx_cm_split_idlest_reg,
361 .wait_module_ready = &omap2xxx_cm_wait_module_ready,
362};
363
364int __init omap2xxx_cm_init(void)
365{
366 if (!cpu_is_omap24xx())
367 return 0;
368
369 return cm_register(&omap2xxx_cm_ll_data);
370}
371
372static void __exit omap2xxx_cm_exit(void)
373{
374 if (!cpu_is_omap24xx())
375 return;
376
377 /* Should never happen */
378 WARN(cm_unregister(&omap2xxx_cm_ll_data),
379 "%s: cm_ll_data function pointer mismatch\n", __func__);
380}
381__exitcall(omap2xxx_cm_exit);
diff --git a/arch/arm/mach-omap2/cm2xxx.h b/arch/arm/mach-omap2/cm2xxx.h
new file mode 100644
index 000000000000..4cbb39b051d2
--- /dev/null
+++ b/arch/arm/mach-omap2/cm2xxx.h
@@ -0,0 +1,70 @@
1/*
2 * OMAP2xxx Clock Management (CM) register definitions
3 *
4 * Copyright (C) 2007-2009, 2012 Texas Instruments, Inc.
5 * Copyright (C) 2007-2010 Nokia Corporation
6 * Paul Walmsley
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 * The CM hardware modules on the OMAP2/3 are quite similar to each
13 * other. The CM modules/instances on OMAP4 are quite different, so
14 * they are handled in a separate file.
15 */
16#ifndef __ARCH_ASM_MACH_OMAP2_CM2XXX_H
17#define __ARCH_ASM_MACH_OMAP2_CM2XXX_H
18
19#include "prcm-common.h"
20#include "cm2xxx_3xxx.h"
21
22#define OMAP2420_CM_REGADDR(module, reg) \
23 OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE + (module) + (reg))
24#define OMAP2430_CM_REGADDR(module, reg) \
25 OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE + (module) + (reg))
26
27/*
28 * Module specific CM register offsets from CM_BASE + domain offset
29 * Use cm_{read,write}_mod_reg() with these registers.
30 * These register offsets generally appear in more than one PRCM submodule.
31 */
32
33/* OMAP2-specific register offsets */
34
35#define OMAP24XX_CM_FCLKEN2 0x0004
36#define OMAP24XX_CM_ICLKEN4 0x001c
37#define OMAP24XX_CM_AUTOIDLE4 0x003c
38#define OMAP24XX_CM_IDLEST4 0x002c
39
40/* CM_IDLEST bit field values to indicate deasserted IdleReq */
41
42#define OMAP24XX_CM_IDLEST_VAL 0
43
44
45/* Clock management domain register get/set */
46
47#ifndef __ASSEMBLER__
48
49extern void omap2xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask);
50extern void omap2xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask);
51
52extern void omap2xxx_cm_set_dpll_disable_autoidle(void);
53extern void omap2xxx_cm_set_dpll_auto_low_power_stop(void);
54
55extern void omap2xxx_cm_set_apll54_disable_autoidle(void);
56extern void omap2xxx_cm_set_apll54_auto_low_power_stop(void);
57extern void omap2xxx_cm_set_apll96_disable_autoidle(void);
58extern void omap2xxx_cm_set_apll96_auto_low_power_stop(void);
59
60extern bool omap2xxx_cm_is_clkdm_in_hwsup(s16 module, u32 mask);
61extern int omap2xxx_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id,
62 u8 idlest_shift);
63extern int omap2xxx_cm_split_idlest_reg(void __iomem *idlest_reg,
64 s16 *prcm_inst, u8 *idlest_reg_id);
65
66extern int __init omap2xxx_cm_init(void);
67
68#endif
69
70#endif
diff --git a/arch/arm/mach-omap2/cm2xxx_3xxx.h b/arch/arm/mach-omap2/cm2xxx_3xxx.h
index 57b2f3c2fbf3..98e6b3c9cd9b 100644
--- a/arch/arm/mach-omap2/cm2xxx_3xxx.h
+++ b/arch/arm/mach-omap2/cm2xxx_3xxx.h
@@ -16,28 +16,7 @@
16#ifndef __ARCH_ASM_MACH_OMAP2_CM2XXX_3XXX_H 16#ifndef __ARCH_ASM_MACH_OMAP2_CM2XXX_3XXX_H
17#define __ARCH_ASM_MACH_OMAP2_CM2XXX_3XXX_H 17#define __ARCH_ASM_MACH_OMAP2_CM2XXX_3XXX_H
18 18
19#include "prcm-common.h" 19#include "cm.h"
20
21#define OMAP2420_CM_REGADDR(module, reg) \
22 OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE + (module) + (reg))
23#define OMAP2430_CM_REGADDR(module, reg) \
24 OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE + (module) + (reg))
25#define OMAP34XX_CM_REGADDR(module, reg) \
26 OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE + (module) + (reg))
27
28
29/*
30 * OMAP3-specific global CM registers
31 * Use cm_{read,write}_reg() with these registers.
32 * These registers appear once per CM module.
33 */
34
35#define OMAP3430_CM_REVISION OMAP34XX_CM_REGADDR(OCP_MOD, 0x0000)
36#define OMAP3430_CM_SYSCONFIG OMAP34XX_CM_REGADDR(OCP_MOD, 0x0010)
37#define OMAP3430_CM_POLCTRL OMAP34XX_CM_REGADDR(OCP_MOD, 0x009c)
38
39#define OMAP3_CM_CLKOUT_CTRL_OFFSET 0x0070
40#define OMAP3430_CM_CLKOUT_CTRL OMAP_CM_REGADDR(OMAP3430_CCR_MOD, 0x0070)
41 20
42/* 21/*
43 * Module specific CM register offsets from CM_BASE + domain offset 22 * Module specific CM register offsets from CM_BASE + domain offset
@@ -57,6 +36,7 @@
57#define CM_IDLEST 0x0020 36#define CM_IDLEST 0x0020
58#define CM_IDLEST1 CM_IDLEST 37#define CM_IDLEST1 CM_IDLEST
59#define CM_IDLEST2 0x0024 38#define CM_IDLEST2 0x0024
39#define OMAP2430_CM_IDLEST3 0x0028
60#define CM_AUTOIDLE 0x0030 40#define CM_AUTOIDLE 0x0030
61#define CM_AUTOIDLE1 CM_AUTOIDLE 41#define CM_AUTOIDLE1 CM_AUTOIDLE
62#define CM_AUTOIDLE2 0x0034 42#define CM_AUTOIDLE2 0x0034
@@ -66,70 +46,60 @@
66#define CM_CLKSEL2 0x0044 46#define CM_CLKSEL2 0x0044
67#define OMAP2_CM_CLKSTCTRL 0x0048 47#define OMAP2_CM_CLKSTCTRL 0x0048
68 48
69/* OMAP2-specific register offsets */ 49#ifndef __ASSEMBLER__
70
71#define OMAP24XX_CM_FCLKEN2 0x0004
72#define OMAP24XX_CM_ICLKEN4 0x001c
73#define OMAP24XX_CM_AUTOIDLE4 0x003c
74#define OMAP24XX_CM_IDLEST4 0x002c
75
76#define OMAP2430_CM_IDLEST3 0x0028
77
78/* OMAP3-specific register offsets */
79
80#define OMAP3430_CM_CLKEN_PLL 0x0004
81#define OMAP3430ES2_CM_CLKEN2 0x0004
82#define OMAP3430ES2_CM_FCLKEN3 0x0008
83#define OMAP3430_CM_IDLEST_PLL CM_IDLEST2
84#define OMAP3430_CM_AUTOIDLE_PLL CM_AUTOIDLE2
85#define OMAP3430ES2_CM_AUTOIDLE2_PLL CM_AUTOIDLE2
86#define OMAP3430_CM_CLKSEL1 CM_CLKSEL
87#define OMAP3430_CM_CLKSEL1_PLL CM_CLKSEL
88#define OMAP3430_CM_CLKSEL2_PLL CM_CLKSEL2
89#define OMAP3430_CM_SLEEPDEP CM_CLKSEL2
90#define OMAP3430_CM_CLKSEL3 OMAP2_CM_CLKSTCTRL
91#define OMAP3430_CM_CLKSTST 0x004c
92#define OMAP3430ES2_CM_CLKSEL4 0x004c
93#define OMAP3430ES2_CM_CLKSEL5 0x0050
94#define OMAP3430_CM_CLKSEL2_EMU 0x0050
95#define OMAP3430_CM_CLKSEL3_EMU 0x0054
96 50
51#include <linux/io.h>
97 52
98/* CM_IDLEST bit field values to indicate deasserted IdleReq */ 53static inline u32 omap2_cm_read_mod_reg(s16 module, u16 idx)
54{
55 return __raw_readl(cm_base + module + idx);
56}
99 57
100#define OMAP24XX_CM_IDLEST_VAL 0 58static inline void omap2_cm_write_mod_reg(u32 val, s16 module, u16 idx)
101#define OMAP34XX_CM_IDLEST_VAL 1 59{
60 __raw_writel(val, cm_base + module + idx);
61}
102 62
63/* Read-modify-write a register in a CM module. Caller must lock */
64static inline u32 omap2_cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module,
65 s16 idx)
66{
67 u32 v;
103 68
104/* Clock management domain register get/set */ 69 v = omap2_cm_read_mod_reg(module, idx);
70 v &= ~mask;
71 v |= bits;
72 omap2_cm_write_mod_reg(v, module, idx);
105 73
106#ifndef __ASSEMBLER__ 74 return v;
75}
107 76
108extern u32 omap2_cm_read_mod_reg(s16 module, u16 idx); 77/* Read a CM register, AND it, and shift the result down to bit 0 */
109extern void omap2_cm_write_mod_reg(u32 val, s16 module, u16 idx); 78static inline u32 omap2_cm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask)
110extern u32 omap2_cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx); 79{
80 u32 v;
111 81
112extern int omap2_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, 82 v = omap2_cm_read_mod_reg(domain, idx);
113 u8 idlest_shift); 83 v &= mask;
114extern u32 omap2_cm_set_mod_reg_bits(u32 bits, s16 module, s16 idx); 84 v >>= __ffs(mask);
115extern u32 omap2_cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx);
116 85
117extern bool omap2_cm_is_clkdm_in_hwsup(s16 module, u32 mask); 86 return v;
118extern void omap2xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask); 87}
119extern void omap2xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask);
120 88
121extern void omap3xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask); 89static inline u32 omap2_cm_set_mod_reg_bits(u32 bits, s16 module, s16 idx)
122extern void omap3xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask); 90{
123extern void omap3xxx_cm_clkdm_force_sleep(s16 module, u32 mask); 91 return omap2_cm_rmw_mod_reg_bits(bits, bits, module, idx);
124extern void omap3xxx_cm_clkdm_force_wakeup(s16 module, u32 mask); 92}
125 93
126extern void omap2xxx_cm_set_dpll_disable_autoidle(void); 94static inline u32 omap2_cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
127extern void omap2xxx_cm_set_dpll_auto_low_power_stop(void); 95{
96 return omap2_cm_rmw_mod_reg_bits(bits, 0x0, module, idx);
97}
128 98
129extern void omap2xxx_cm_set_apll54_disable_autoidle(void); 99extern int omap2xxx_cm_apll54_enable(void);
130extern void omap2xxx_cm_set_apll54_auto_low_power_stop(void); 100extern void omap2xxx_cm_apll54_disable(void);
131extern void omap2xxx_cm_set_apll96_disable_autoidle(void); 101extern int omap2xxx_cm_apll96_enable(void);
132extern void omap2xxx_cm_set_apll96_auto_low_power_stop(void); 102extern void omap2xxx_cm_apll96_disable(void);
133 103
134#endif 104#endif
135 105
@@ -146,11 +116,4 @@ extern void omap2xxx_cm_set_apll96_auto_low_power_stop(void);
146/* CM_IDLEST_GFX */ 116/* CM_IDLEST_GFX */
147#define OMAP_ST_GFX_MASK (1 << 0) 117#define OMAP_ST_GFX_MASK (1 << 0)
148 118
149
150/* Function prototypes */
151# ifndef __ASSEMBLER__
152extern void omap3_cm_save_context(void);
153extern void omap3_cm_restore_context(void);
154# endif
155
156#endif 119#endif
diff --git a/arch/arm/mach-omap2/cm33xx.c b/arch/arm/mach-omap2/cm33xx.c
index ed8dcaf4c849..058ce3c0873e 100644
--- a/arch/arm/mach-omap2/cm33xx.c
+++ b/arch/arm/mach-omap2/cm33xx.c
@@ -22,6 +22,7 @@
22#include <linux/err.h> 22#include <linux/err.h>
23#include <linux/io.h> 23#include <linux/io.h>
24 24
25#include "clockdomain.h"
25#include "cm.h" 26#include "cm.h"
26#include "cm33xx.h" 27#include "cm33xx.h"
27#include "cm-regbits-34xx.h" 28#include "cm-regbits-34xx.h"
@@ -309,3 +310,58 @@ void am33xx_cm_module_disable(u16 inst, s16 cdoffs, u16 clkctrl_offs)
309 v &= ~AM33XX_MODULEMODE_MASK; 310 v &= ~AM33XX_MODULEMODE_MASK;
310 am33xx_cm_write_reg(v, inst, clkctrl_offs); 311 am33xx_cm_write_reg(v, inst, clkctrl_offs);
311} 312}
313
314/*
315 * Clockdomain low-level functions
316 */
317
318static int am33xx_clkdm_sleep(struct clockdomain *clkdm)
319{
320 am33xx_cm_clkdm_force_sleep(clkdm->cm_inst, clkdm->clkdm_offs);
321 return 0;
322}
323
324static int am33xx_clkdm_wakeup(struct clockdomain *clkdm)
325{
326 am33xx_cm_clkdm_force_wakeup(clkdm->cm_inst, clkdm->clkdm_offs);
327 return 0;
328}
329
330static void am33xx_clkdm_allow_idle(struct clockdomain *clkdm)
331{
332 am33xx_cm_clkdm_enable_hwsup(clkdm->cm_inst, clkdm->clkdm_offs);
333}
334
335static void am33xx_clkdm_deny_idle(struct clockdomain *clkdm)
336{
337 am33xx_cm_clkdm_disable_hwsup(clkdm->cm_inst, clkdm->clkdm_offs);
338}
339
340static int am33xx_clkdm_clk_enable(struct clockdomain *clkdm)
341{
342 if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
343 return am33xx_clkdm_wakeup(clkdm);
344
345 return 0;
346}
347
348static int am33xx_clkdm_clk_disable(struct clockdomain *clkdm)
349{
350 bool hwsup = false;
351
352 hwsup = am33xx_cm_is_clkdm_in_hwsup(clkdm->cm_inst, clkdm->clkdm_offs);
353
354 if (!hwsup && (clkdm->flags & CLKDM_CAN_FORCE_SLEEP))
355 am33xx_clkdm_sleep(clkdm);
356
357 return 0;
358}
359
360struct clkdm_ops am33xx_clkdm_operations = {
361 .clkdm_sleep = am33xx_clkdm_sleep,
362 .clkdm_wakeup = am33xx_clkdm_wakeup,
363 .clkdm_allow_idle = am33xx_clkdm_allow_idle,
364 .clkdm_deny_idle = am33xx_clkdm_deny_idle,
365 .clkdm_clk_enable = am33xx_clkdm_clk_enable,
366 .clkdm_clk_disable = am33xx_clkdm_clk_disable,
367};
diff --git a/arch/arm/mach-omap2/cm2xxx_3xxx.c b/arch/arm/mach-omap2/cm3xxx.c
index 7f07ab02a5b3..c2086f2e86b6 100644
--- a/arch/arm/mach-omap2/cm2xxx_3xxx.c
+++ b/arch/arm/mach-omap2/cm3xxx.c
@@ -1,8 +1,10 @@
1/* 1/*
2 * OMAP2/3 CM module functions 2 * OMAP3xxx CM module functions
3 * 3 *
4 * Copyright (C) 2009 Nokia Corporation 4 * Copyright (C) 2009 Nokia Corporation
5 * Copyright (C) 2008-2010, 2012 Texas Instruments, Inc.
5 * Paul Walmsley 6 * Paul Walmsley
7 * Rajendra Nayak <rnayak@ti.com>
6 * 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
@@ -12,8 +14,6 @@
12#include <linux/kernel.h> 14#include <linux/kernel.h>
13#include <linux/types.h> 15#include <linux/types.h>
14#include <linux/delay.h> 16#include <linux/delay.h>
15#include <linux/spinlock.h>
16#include <linux/list.h>
17#include <linux/errno.h> 17#include <linux/errno.h>
18#include <linux/err.h> 18#include <linux/err.h>
19#include <linux/io.h> 19#include <linux/io.h>
@@ -21,56 +21,16 @@
21#include "soc.h" 21#include "soc.h"
22#include "iomap.h" 22#include "iomap.h"
23#include "common.h" 23#include "common.h"
24#include "prm2xxx_3xxx.h"
24#include "cm.h" 25#include "cm.h"
25#include "cm2xxx_3xxx.h" 26#include "cm3xxx.h"
26#include "cm-regbits-24xx.h"
27#include "cm-regbits-34xx.h" 27#include "cm-regbits-34xx.h"
28#include "clockdomain.h"
28 29
29/* CM_AUTOIDLE_PLL.AUTO_* bit values for DPLLs */ 30static const u8 omap3xxx_cm_idlest_offs[] = {
30#define DPLL_AUTOIDLE_DISABLE 0x0 31 CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3
31#define OMAP2XXX_DPLL_AUTOIDLE_LOW_POWER_STOP 0x3
32
33/* CM_AUTOIDLE_PLL.AUTO_* bit values for APLLs (OMAP2xxx only) */
34#define OMAP2XXX_APLL_AUTOIDLE_DISABLE 0x0
35#define OMAP2XXX_APLL_AUTOIDLE_LOW_POWER_STOP 0x3
36
37static const u8 cm_idlest_offs[] = {
38 CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3, OMAP24XX_CM_IDLEST4
39}; 32};
40 33
41u32 omap2_cm_read_mod_reg(s16 module, u16 idx)
42{
43 return __raw_readl(cm_base + module + idx);
44}
45
46void omap2_cm_write_mod_reg(u32 val, s16 module, u16 idx)
47{
48 __raw_writel(val, cm_base + module + idx);
49}
50
51/* Read-modify-write a register in a CM module. Caller must lock */
52u32 omap2_cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
53{
54 u32 v;
55
56 v = omap2_cm_read_mod_reg(module, idx);
57 v &= ~mask;
58 v |= bits;
59 omap2_cm_write_mod_reg(v, module, idx);
60
61 return v;
62}
63
64u32 omap2_cm_set_mod_reg_bits(u32 bits, s16 module, s16 idx)
65{
66 return omap2_cm_rmw_mod_reg_bits(bits, bits, module, idx);
67}
68
69u32 omap2_cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
70{
71 return omap2_cm_rmw_mod_reg_bits(bits, 0x0, module, idx);
72}
73
74/* 34/*
75 * 35 *
76 */ 36 */
@@ -85,33 +45,15 @@ static void _write_clktrctrl(u8 c, s16 module, u32 mask)
85 omap2_cm_write_mod_reg(v, module, OMAP2_CM_CLKSTCTRL); 45 omap2_cm_write_mod_reg(v, module, OMAP2_CM_CLKSTCTRL);
86} 46}
87 47
88bool omap2_cm_is_clkdm_in_hwsup(s16 module, u32 mask) 48bool omap3xxx_cm_is_clkdm_in_hwsup(s16 module, u32 mask)
89{ 49{
90 u32 v; 50 u32 v;
91 bool ret = 0;
92
93 BUG_ON(!cpu_is_omap24xx() && !cpu_is_omap34xx());
94 51
95 v = omap2_cm_read_mod_reg(module, OMAP2_CM_CLKSTCTRL); 52 v = omap2_cm_read_mod_reg(module, OMAP2_CM_CLKSTCTRL);
96 v &= mask; 53 v &= mask;
97 v >>= __ffs(mask); 54 v >>= __ffs(mask);
98 55
99 if (cpu_is_omap24xx()) 56 return (v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) ? 1 : 0;
100 ret = (v == OMAP24XX_CLKSTCTRL_ENABLE_AUTO) ? 1 : 0;
101 else
102 ret = (v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) ? 1 : 0;
103
104 return ret;
105}
106
107void omap2xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask)
108{
109 _write_clktrctrl(OMAP24XX_CLKSTCTRL_ENABLE_AUTO, module, mask);
110}
111
112void omap2xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask)
113{
114 _write_clktrctrl(OMAP24XX_CLKSTCTRL_DISABLE_AUTO, module, mask);
115} 57}
116 58
117void omap3xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask) 59void omap3xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask)
@@ -135,109 +77,247 @@ void omap3xxx_cm_clkdm_force_wakeup(s16 module, u32 mask)
135} 77}
136 78
137/* 79/*
138 * DPLL autoidle control 80 *
139 */ 81 */
140 82
141static void _omap2xxx_set_dpll_autoidle(u8 m) 83/**
84 * omap3xxx_cm_wait_module_ready - wait for a module to leave idle or standby
85 * @prcm_mod: PRCM module offset
86 * @idlest_id: CM_IDLESTx register ID (i.e., x = 1, 2, 3)
87 * @idlest_shift: shift of the bit in the CM_IDLEST* register to check
88 *
89 * Wait for the PRCM to indicate that the module identified by
90 * (@prcm_mod, @idlest_id, @idlest_shift) is clocked. Return 0 upon
91 * success or -EBUSY if the module doesn't enable in time.
92 */
93int omap3xxx_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift)
142{ 94{
143 u32 v; 95 int ena = 0, i = 0;
96 u8 cm_idlest_reg;
97 u32 mask;
144 98
145 v = omap2_cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE); 99 if (!idlest_id || (idlest_id > ARRAY_SIZE(omap3xxx_cm_idlest_offs)))
146 v &= ~OMAP24XX_AUTO_DPLL_MASK; 100 return -EINVAL;
147 v |= m << OMAP24XX_AUTO_DPLL_SHIFT;
148 omap2_cm_write_mod_reg(v, PLL_MOD, CM_AUTOIDLE);
149}
150 101
151void omap2xxx_cm_set_dpll_disable_autoidle(void) 102 cm_idlest_reg = omap3xxx_cm_idlest_offs[idlest_id - 1];
152{ 103
153 _omap2xxx_set_dpll_autoidle(OMAP2XXX_DPLL_AUTOIDLE_LOW_POWER_STOP); 104 mask = 1 << idlest_shift;
105 ena = 0;
106
107 omap_test_timeout(((omap2_cm_read_mod_reg(prcm_mod, cm_idlest_reg) &
108 mask) == ena), MAX_MODULE_READY_TIME, i);
109
110 return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY;
154} 111}
155 112
156void omap2xxx_cm_set_dpll_auto_low_power_stop(void) 113/**
114 * omap3xxx_cm_split_idlest_reg - split CM_IDLEST reg addr into its components
115 * @idlest_reg: CM_IDLEST* virtual address
116 * @prcm_inst: pointer to an s16 to return the PRCM instance offset
117 * @idlest_reg_id: pointer to a u8 to return the CM_IDLESTx register ID
118 *
119 * XXX This function is only needed until absolute register addresses are
120 * removed from the OMAP struct clk records.
121 */
122int omap3xxx_cm_split_idlest_reg(void __iomem *idlest_reg, s16 *prcm_inst,
123 u8 *idlest_reg_id)
157{ 124{
158 _omap2xxx_set_dpll_autoidle(DPLL_AUTOIDLE_DISABLE); 125 unsigned long offs;
126 u8 idlest_offs;
127 int i;
128
129 if (idlest_reg < (cm_base + OMAP3430_IVA2_MOD) ||
130 idlest_reg > (cm_base + 0x1ffff))
131 return -EINVAL;
132
133 idlest_offs = (unsigned long)idlest_reg & 0xff;
134 for (i = 0; i < ARRAY_SIZE(omap3xxx_cm_idlest_offs); i++) {
135 if (idlest_offs == omap3xxx_cm_idlest_offs[i]) {
136 *idlest_reg_id = i + 1;
137 break;
138 }
139 }
140
141 if (i == ARRAY_SIZE(omap3xxx_cm_idlest_offs))
142 return -EINVAL;
143
144 offs = idlest_reg - cm_base;
145 offs &= 0xff00;
146 *prcm_inst = offs;
147
148 return 0;
159} 149}
160 150
161/* 151/* Clockdomain low-level operations */
162 * APLL autoidle control
163 */
164 152
165static void _omap2xxx_set_apll_autoidle(u8 m, u32 mask) 153static int omap3xxx_clkdm_add_sleepdep(struct clockdomain *clkdm1,
154 struct clockdomain *clkdm2)
166{ 155{
167 u32 v; 156 omap2_cm_set_mod_reg_bits((1 << clkdm2->dep_bit),
157 clkdm1->pwrdm.ptr->prcm_offs,
158 OMAP3430_CM_SLEEPDEP);
159 return 0;
160}
168 161
169 v = omap2_cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE); 162static int omap3xxx_clkdm_del_sleepdep(struct clockdomain *clkdm1,
170 v &= ~mask; 163 struct clockdomain *clkdm2)
171 v |= m << __ffs(mask); 164{
172 omap2_cm_write_mod_reg(v, PLL_MOD, CM_AUTOIDLE); 165 omap2_cm_clear_mod_reg_bits((1 << clkdm2->dep_bit),
166 clkdm1->pwrdm.ptr->prcm_offs,
167 OMAP3430_CM_SLEEPDEP);
168 return 0;
173} 169}
174 170
175void omap2xxx_cm_set_apll54_disable_autoidle(void) 171static int omap3xxx_clkdm_read_sleepdep(struct clockdomain *clkdm1,
172 struct clockdomain *clkdm2)
176{ 173{
177 _omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_LOW_POWER_STOP, 174 return omap2_cm_read_mod_bits_shift(clkdm1->pwrdm.ptr->prcm_offs,
178 OMAP24XX_AUTO_54M_MASK); 175 OMAP3430_CM_SLEEPDEP,
176 (1 << clkdm2->dep_bit));
179} 177}
180 178
181void omap2xxx_cm_set_apll54_auto_low_power_stop(void) 179static int omap3xxx_clkdm_clear_all_sleepdeps(struct clockdomain *clkdm)
182{ 180{
183 _omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_DISABLE, 181 struct clkdm_dep *cd;
184 OMAP24XX_AUTO_54M_MASK); 182 u32 mask = 0;
183
184 for (cd = clkdm->sleepdep_srcs; cd && cd->clkdm_name; cd++) {
185 if (!cd->clkdm)
186 continue; /* only happens if data is erroneous */
187
188 mask |= 1 << cd->clkdm->dep_bit;
189 atomic_set(&cd->sleepdep_usecount, 0);
190 }
191 omap2_cm_clear_mod_reg_bits(mask, clkdm->pwrdm.ptr->prcm_offs,
192 OMAP3430_CM_SLEEPDEP);
193 return 0;
185} 194}
186 195
187void omap2xxx_cm_set_apll96_disable_autoidle(void) 196static int omap3xxx_clkdm_sleep(struct clockdomain *clkdm)
188{ 197{
189 _omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_LOW_POWER_STOP, 198 omap3xxx_cm_clkdm_force_sleep(clkdm->pwrdm.ptr->prcm_offs,
190 OMAP24XX_AUTO_96M_MASK); 199 clkdm->clktrctrl_mask);
200 return 0;
191} 201}
192 202
193void omap2xxx_cm_set_apll96_auto_low_power_stop(void) 203static int omap3xxx_clkdm_wakeup(struct clockdomain *clkdm)
194{ 204{
195 _omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_DISABLE, 205 omap3xxx_cm_clkdm_force_wakeup(clkdm->pwrdm.ptr->prcm_offs,
196 OMAP24XX_AUTO_96M_MASK); 206 clkdm->clktrctrl_mask);
207 return 0;
197} 208}
198 209
199/* 210static void omap3xxx_clkdm_allow_idle(struct clockdomain *clkdm)
200 * 211{
201 */ 212 if (atomic_read(&clkdm->usecount) > 0)
213 _clkdm_add_autodeps(clkdm);
202 214
203/** 215 omap3xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
204 * omap2_cm_wait_idlest_ready - wait for a module to leave idle or standby 216 clkdm->clktrctrl_mask);
205 * @prcm_mod: PRCM module offset 217}
206 * @idlest_id: CM_IDLESTx register ID (i.e., x = 1, 2, 3) 218
207 * @idlest_shift: shift of the bit in the CM_IDLEST* register to check 219static void omap3xxx_clkdm_deny_idle(struct clockdomain *clkdm)
208 *
209 * XXX document
210 */
211int omap2_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift)
212{ 220{
213 int ena = 0, i = 0; 221 omap3xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
214 u8 cm_idlest_reg; 222 clkdm->clktrctrl_mask);
215 u32 mask;
216 223
217 if (!idlest_id || (idlest_id > ARRAY_SIZE(cm_idlest_offs))) 224 if (atomic_read(&clkdm->usecount) > 0)
218 return -EINVAL; 225 _clkdm_del_autodeps(clkdm);
226}
219 227
220 cm_idlest_reg = cm_idlest_offs[idlest_id - 1]; 228static int omap3xxx_clkdm_clk_enable(struct clockdomain *clkdm)
229{
230 bool hwsup = false;
221 231
222 mask = 1 << idlest_shift; 232 if (!clkdm->clktrctrl_mask)
233 return 0;
223 234
224 if (cpu_is_omap24xx()) 235 /*
225 ena = mask; 236 * The CLKDM_MISSING_IDLE_REPORTING flag documentation has
226 else if (cpu_is_omap34xx()) 237 * more details on the unpleasant problem this is working
227 ena = 0; 238 * around
228 else 239 */
229 BUG(); 240 if ((clkdm->flags & CLKDM_MISSING_IDLE_REPORTING) &&
241 (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)) {
242 omap3xxx_clkdm_wakeup(clkdm);
243 return 0;
244 }
245
246 hwsup = omap3xxx_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
247 clkdm->clktrctrl_mask);
248
249 if (hwsup) {
250 /* Disable HW transitions when we are changing deps */
251 omap3xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
252 clkdm->clktrctrl_mask);
253 _clkdm_add_autodeps(clkdm);
254 omap3xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
255 clkdm->clktrctrl_mask);
256 } else {
257 if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
258 omap3xxx_clkdm_wakeup(clkdm);
259 }
260
261 return 0;
262}
230 263
231 omap_test_timeout(((omap2_cm_read_mod_reg(prcm_mod, cm_idlest_reg) & mask) == ena), 264static int omap3xxx_clkdm_clk_disable(struct clockdomain *clkdm)
232 MAX_MODULE_READY_TIME, i); 265{
266 bool hwsup = false;
233 267
234 return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY; 268 if (!clkdm->clktrctrl_mask)
269 return 0;
270
271 /*
272 * The CLKDM_MISSING_IDLE_REPORTING flag documentation has
273 * more details on the unpleasant problem this is working
274 * around
275 */
276 if (clkdm->flags & CLKDM_MISSING_IDLE_REPORTING &&
277 !(clkdm->flags & CLKDM_CAN_FORCE_SLEEP)) {
278 omap3xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
279 clkdm->clktrctrl_mask);
280 return 0;
281 }
282
283 hwsup = omap3xxx_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
284 clkdm->clktrctrl_mask);
285
286 if (hwsup) {
287 /* Disable HW transitions when we are changing deps */
288 omap3xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
289 clkdm->clktrctrl_mask);
290 _clkdm_del_autodeps(clkdm);
291 omap3xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
292 clkdm->clktrctrl_mask);
293 } else {
294 if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP)
295 omap3xxx_clkdm_sleep(clkdm);
296 }
297
298 return 0;
235} 299}
236 300
301struct clkdm_ops omap3_clkdm_operations = {
302 .clkdm_add_wkdep = omap2_clkdm_add_wkdep,
303 .clkdm_del_wkdep = omap2_clkdm_del_wkdep,
304 .clkdm_read_wkdep = omap2_clkdm_read_wkdep,
305 .clkdm_clear_all_wkdeps = omap2_clkdm_clear_all_wkdeps,
306 .clkdm_add_sleepdep = omap3xxx_clkdm_add_sleepdep,
307 .clkdm_del_sleepdep = omap3xxx_clkdm_del_sleepdep,
308 .clkdm_read_sleepdep = omap3xxx_clkdm_read_sleepdep,
309 .clkdm_clear_all_sleepdeps = omap3xxx_clkdm_clear_all_sleepdeps,
310 .clkdm_sleep = omap3xxx_clkdm_sleep,
311 .clkdm_wakeup = omap3xxx_clkdm_wakeup,
312 .clkdm_allow_idle = omap3xxx_clkdm_allow_idle,
313 .clkdm_deny_idle = omap3xxx_clkdm_deny_idle,
314 .clkdm_clk_enable = omap3xxx_clkdm_clk_enable,
315 .clkdm_clk_disable = omap3xxx_clkdm_clk_disable,
316};
317
237/* 318/*
238 * Context save/restore code - OMAP3 only 319 * Context save/restore code - OMAP3 only
239 */ 320 */
240#ifdef CONFIG_ARCH_OMAP3
241struct omap3_cm_regs { 321struct omap3_cm_regs {
242 u32 iva2_cm_clksel1; 322 u32 iva2_cm_clksel1;
243 u32 iva2_cm_clksel2; 323 u32 iva2_cm_clksel2;
@@ -555,4 +635,31 @@ void omap3_cm_restore_context(void)
555 omap2_cm_write_mod_reg(cm_context.cm_clkout_ctrl, OMAP3430_CCR_MOD, 635 omap2_cm_write_mod_reg(cm_context.cm_clkout_ctrl, OMAP3430_CCR_MOD,
556 OMAP3_CM_CLKOUT_CTRL_OFFSET); 636 OMAP3_CM_CLKOUT_CTRL_OFFSET);
557} 637}
558#endif 638
639/*
640 *
641 */
642
643static struct cm_ll_data omap3xxx_cm_ll_data = {
644 .split_idlest_reg = &omap3xxx_cm_split_idlest_reg,
645 .wait_module_ready = &omap3xxx_cm_wait_module_ready,
646};
647
648int __init omap3xxx_cm_init(void)
649{
650 if (!cpu_is_omap34xx())
651 return 0;
652
653 return cm_register(&omap3xxx_cm_ll_data);
654}
655
656static void __exit omap3xxx_cm_exit(void)
657{
658 if (!cpu_is_omap34xx())
659 return;
660
661 /* Should never happen */
662 WARN(cm_unregister(&omap3xxx_cm_ll_data),
663 "%s: cm_ll_data function pointer mismatch\n", __func__);
664}
665__exitcall(omap3xxx_cm_exit);
diff --git a/arch/arm/mach-omap2/cm3xxx.h b/arch/arm/mach-omap2/cm3xxx.h
new file mode 100644
index 000000000000..e8e146f4a43f
--- /dev/null
+++ b/arch/arm/mach-omap2/cm3xxx.h
@@ -0,0 +1,91 @@
1/*
2 * OMAP2/3 Clock Management (CM) register definitions
3 *
4 * Copyright (C) 2007-2009 Texas Instruments, Inc.
5 * Copyright (C) 2007-2010 Nokia Corporation
6 * Paul Walmsley
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 * The CM hardware modules on the OMAP2/3 are quite similar to each
13 * other. The CM modules/instances on OMAP4 are quite different, so
14 * they are handled in a separate file.
15 */
16#ifndef __ARCH_ASM_MACH_OMAP2_CM3XXX_H
17#define __ARCH_ASM_MACH_OMAP2_CM3XXX_H
18
19#include "prcm-common.h"
20#include "cm2xxx_3xxx.h"
21
22#define OMAP34XX_CM_REGADDR(module, reg) \
23 OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE + (module) + (reg))
24
25
26/*
27 * OMAP3-specific global CM registers
28 * Use cm_{read,write}_reg() with these registers.
29 * These registers appear once per CM module.
30 */
31
32#define OMAP3430_CM_REVISION OMAP34XX_CM_REGADDR(OCP_MOD, 0x0000)
33#define OMAP3430_CM_SYSCONFIG OMAP34XX_CM_REGADDR(OCP_MOD, 0x0010)
34#define OMAP3430_CM_POLCTRL OMAP34XX_CM_REGADDR(OCP_MOD, 0x009c)
35
36#define OMAP3_CM_CLKOUT_CTRL_OFFSET 0x0070
37#define OMAP3430_CM_CLKOUT_CTRL OMAP_CM_REGADDR(OMAP3430_CCR_MOD, 0x0070)
38
39/*
40 * Module specific CM register offsets from CM_BASE + domain offset
41 * Use cm_{read,write}_mod_reg() with these registers.
42 * These register offsets generally appear in more than one PRCM submodule.
43 */
44
45/* OMAP3-specific register offsets */
46
47#define OMAP3430_CM_CLKEN_PLL 0x0004
48#define OMAP3430ES2_CM_CLKEN2 0x0004
49#define OMAP3430ES2_CM_FCLKEN3 0x0008
50#define OMAP3430_CM_IDLEST_PLL CM_IDLEST2
51#define OMAP3430_CM_AUTOIDLE_PLL CM_AUTOIDLE2
52#define OMAP3430ES2_CM_AUTOIDLE2_PLL CM_AUTOIDLE2
53#define OMAP3430_CM_CLKSEL1 CM_CLKSEL
54#define OMAP3430_CM_CLKSEL1_PLL CM_CLKSEL
55#define OMAP3430_CM_CLKSEL2_PLL CM_CLKSEL2
56#define OMAP3430_CM_SLEEPDEP CM_CLKSEL2
57#define OMAP3430_CM_CLKSEL3 OMAP2_CM_CLKSTCTRL
58#define OMAP3430_CM_CLKSTST 0x004c
59#define OMAP3430ES2_CM_CLKSEL4 0x004c
60#define OMAP3430ES2_CM_CLKSEL5 0x0050
61#define OMAP3430_CM_CLKSEL2_EMU 0x0050
62#define OMAP3430_CM_CLKSEL3_EMU 0x0054
63
64
65/* CM_IDLEST bit field values to indicate deasserted IdleReq */
66
67#define OMAP34XX_CM_IDLEST_VAL 1
68
69
70#ifndef __ASSEMBLER__
71
72extern void omap3xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask);
73extern void omap3xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask);
74extern void omap3xxx_cm_clkdm_force_sleep(s16 module, u32 mask);
75extern void omap3xxx_cm_clkdm_force_wakeup(s16 module, u32 mask);
76
77extern bool omap3xxx_cm_is_clkdm_in_hwsup(s16 module, u32 mask);
78extern int omap3xxx_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id,
79 u8 idlest_shift);
80
81extern int omap3xxx_cm_split_idlest_reg(void __iomem *idlest_reg,
82 s16 *prcm_inst, u8 *idlest_reg_id);
83
84extern void omap3_cm_save_context(void);
85extern void omap3_cm_restore_context(void);
86
87extern int __init omap3xxx_cm_init(void);
88
89#endif
90
91#endif
diff --git a/arch/arm/mach-omap2/cm_common.c b/arch/arm/mach-omap2/cm_common.c
new file mode 100644
index 000000000000..40b3b5a84458
--- /dev/null
+++ b/arch/arm/mach-omap2/cm_common.c
@@ -0,0 +1,140 @@
1/*
2 * OMAP2+ common Clock Management (CM) IP block functions
3 *
4 * Copyright (C) 2012 Texas Instruments, Inc.
5 * Paul Walmsley
6 *
7 * 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
9 * published by the Free Software Foundation.
10 *
11 * XXX This code should eventually be moved to a CM driver.
12 */
13
14#include <linux/kernel.h>
15#include <linux/init.h>
16#include <linux/errno.h>
17
18#include "cm2xxx.h"
19#include "cm3xxx.h"
20#include "cm44xx.h"
21#include "common.h"
22
23/*
24 * cm_ll_data: function pointers to SoC-specific implementations of
25 * common CM functions
26 */
27static struct cm_ll_data null_cm_ll_data;
28static struct cm_ll_data *cm_ll_data = &null_cm_ll_data;
29
30/* cm_base: base virtual address of the CM IP block */
31void __iomem *cm_base;
32
33/* cm2_base: base virtual address of the CM2 IP block (OMAP44xx only) */
34void __iomem *cm2_base;
35
36/**
37 * omap2_set_globals_cm - set the CM/CM2 base addresses (for early use)
38 * @cm: CM base virtual address
39 * @cm2: CM2 base virtual address (if present on the booted SoC)
40 *
41 * XXX Will be replaced when the PRM/CM drivers are completed.
42 */
43void __init omap2_set_globals_cm(void __iomem *cm, void __iomem *cm2)
44{
45 cm_base = cm;
46 cm2_base = cm2;
47}
48
49/**
50 * cm_split_idlest_reg - split CM_IDLEST reg addr into its components
51 * @idlest_reg: CM_IDLEST* virtual address
52 * @prcm_inst: pointer to an s16 to return the PRCM instance offset
53 * @idlest_reg_id: pointer to a u8 to return the CM_IDLESTx register ID
54 *
55 * Given an absolute CM_IDLEST register address @idlest_reg, passes
56 * the PRCM instance offset and IDLEST register ID back to the caller
57 * via the @prcm_inst and @idlest_reg_id. Returns -EINVAL upon error,
58 * or 0 upon success. XXX This function is only needed until absolute
59 * register addresses are removed from the OMAP struct clk records.
60 */
61int cm_split_idlest_reg(void __iomem *idlest_reg, s16 *prcm_inst,
62 u8 *idlest_reg_id)
63{
64 if (!cm_ll_data->split_idlest_reg) {
65 WARN_ONCE(1, "cm: %s: no low-level function defined\n",
66 __func__);
67 return -EINVAL;
68 }
69
70 return cm_ll_data->split_idlest_reg(idlest_reg, prcm_inst,
71 idlest_reg_id);
72}
73
74/**
75 * cm_wait_module_ready - wait for a module to leave idle or standby
76 * @prcm_mod: PRCM module offset
77 * @idlest_id: CM_IDLESTx register ID (i.e., x = 1, 2, 3)
78 * @idlest_shift: shift of the bit in the CM_IDLEST* register to check
79 *
80 * Wait for the PRCM to indicate that the module identified by
81 * (@prcm_mod, @idlest_id, @idlest_shift) is clocked. Return 0 upon
82 * success, -EBUSY if the module doesn't enable in time, or -EINVAL if
83 * no per-SoC wait_module_ready() function pointer has been registered
84 * or if the idlest register is unknown on the SoC.
85 */
86int cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift)
87{
88 if (!cm_ll_data->wait_module_ready) {
89 WARN_ONCE(1, "cm: %s: no low-level function defined\n",
90 __func__);
91 return -EINVAL;
92 }
93
94 return cm_ll_data->wait_module_ready(prcm_mod, idlest_id, idlest_shift);
95}
96
97/**
98 * cm_register - register per-SoC low-level data with the CM
99 * @cld: low-level per-SoC OMAP CM data & function pointers to register
100 *
101 * Register per-SoC low-level OMAP CM data and function pointers with
102 * the OMAP CM common interface. The caller must keep the data
103 * pointed to by @cld valid until it calls cm_unregister() and
104 * it returns successfully. Returns 0 upon success, -EINVAL if @cld
105 * is NULL, or -EEXIST if cm_register() has already been called
106 * without an intervening cm_unregister().
107 */
108int cm_register(struct cm_ll_data *cld)
109{
110 if (!cld)
111 return -EINVAL;
112
113 if (cm_ll_data != &null_cm_ll_data)
114 return -EEXIST;
115
116 cm_ll_data = cld;
117
118 return 0;
119}
120
121/**
122 * cm_unregister - unregister per-SoC low-level data & function pointers
123 * @cld: low-level per-SoC OMAP CM data & function pointers to unregister
124 *
125 * Unregister per-SoC low-level OMAP CM data and function pointers
126 * that were previously registered with cm_register(). The
127 * caller may not destroy any of the data pointed to by @cld until
128 * this function returns successfully. Returns 0 upon success, or
129 * -EINVAL if @cld is NULL or if @cld does not match the struct
130 * cm_ll_data * previously registered by cm_register().
131 */
132int cm_unregister(struct cm_ll_data *cld)
133{
134 if (!cld || cm_ll_data != cld)
135 return -EINVAL;
136
137 cm_ll_data = &null_cm_ll_data;
138
139 return 0;
140}
diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c
index 1894015ff04b..7f9a464f01e9 100644
--- a/arch/arm/mach-omap2/cminst44xx.c
+++ b/arch/arm/mach-omap2/cminst44xx.c
@@ -2,8 +2,9 @@
2 * OMAP4 CM instance functions 2 * OMAP4 CM instance functions
3 * 3 *
4 * Copyright (C) 2009 Nokia Corporation 4 * Copyright (C) 2009 Nokia Corporation
5 * Copyright (C) 2011 Texas Instruments, Inc. 5 * Copyright (C) 2008-2011 Texas Instruments, Inc.
6 * Paul Walmsley 6 * Paul Walmsley
7 * Rajendra Nayak <rnayak@ti.com>
7 * 8 *
8 * 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
9 * 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
@@ -22,6 +23,7 @@
22 23
23#include "iomap.h" 24#include "iomap.h"
24#include "common.h" 25#include "common.h"
26#include "clockdomain.h"
25#include "cm.h" 27#include "cm.h"
26#include "cm1_44xx.h" 28#include "cm1_44xx.h"
27#include "cm2_44xx.h" 29#include "cm2_44xx.h"
@@ -343,3 +345,141 @@ void omap4_cminst_module_disable(u8 part, u16 inst, s16 cdoffs,
343 v &= ~OMAP4430_MODULEMODE_MASK; 345 v &= ~OMAP4430_MODULEMODE_MASK;
344 omap4_cminst_write_inst_reg(v, part, inst, clkctrl_offs); 346 omap4_cminst_write_inst_reg(v, part, inst, clkctrl_offs);
345} 347}
348
349/*
350 * Clockdomain low-level functions
351 */
352
353static int omap4_clkdm_add_wkup_sleep_dep(struct clockdomain *clkdm1,
354 struct clockdomain *clkdm2)
355{
356 omap4_cminst_set_inst_reg_bits((1 << clkdm2->dep_bit),
357 clkdm1->prcm_partition,
358 clkdm1->cm_inst, clkdm1->clkdm_offs +
359 OMAP4_CM_STATICDEP);
360 return 0;
361}
362
363static int omap4_clkdm_del_wkup_sleep_dep(struct clockdomain *clkdm1,
364 struct clockdomain *clkdm2)
365{
366 omap4_cminst_clear_inst_reg_bits((1 << clkdm2->dep_bit),
367 clkdm1->prcm_partition,
368 clkdm1->cm_inst, clkdm1->clkdm_offs +
369 OMAP4_CM_STATICDEP);
370 return 0;
371}
372
373static int omap4_clkdm_read_wkup_sleep_dep(struct clockdomain *clkdm1,
374 struct clockdomain *clkdm2)
375{
376 return omap4_cminst_read_inst_reg_bits(clkdm1->prcm_partition,
377 clkdm1->cm_inst,
378 clkdm1->clkdm_offs +
379 OMAP4_CM_STATICDEP,
380 (1 << clkdm2->dep_bit));
381}
382
383static int omap4_clkdm_clear_all_wkup_sleep_deps(struct clockdomain *clkdm)
384{
385 struct clkdm_dep *cd;
386 u32 mask = 0;
387
388 if (!clkdm->prcm_partition)
389 return 0;
390
391 for (cd = clkdm->wkdep_srcs; cd && cd->clkdm_name; cd++) {
392 if (!cd->clkdm)
393 continue; /* only happens if data is erroneous */
394
395 mask |= 1 << cd->clkdm->dep_bit;
396 atomic_set(&cd->wkdep_usecount, 0);
397 }
398
399 omap4_cminst_clear_inst_reg_bits(mask, clkdm->prcm_partition,
400 clkdm->cm_inst, clkdm->clkdm_offs +
401 OMAP4_CM_STATICDEP);
402 return 0;
403}
404
405static int omap4_clkdm_sleep(struct clockdomain *clkdm)
406{
407 omap4_cminst_clkdm_enable_hwsup(clkdm->prcm_partition,
408 clkdm->cm_inst, clkdm->clkdm_offs);
409 return 0;
410}
411
412static int omap4_clkdm_wakeup(struct clockdomain *clkdm)
413{
414 omap4_cminst_clkdm_force_wakeup(clkdm->prcm_partition,
415 clkdm->cm_inst, clkdm->clkdm_offs);
416 return 0;
417}
418
419static void omap4_clkdm_allow_idle(struct clockdomain *clkdm)
420{
421 omap4_cminst_clkdm_enable_hwsup(clkdm->prcm_partition,
422 clkdm->cm_inst, clkdm->clkdm_offs);
423}
424
425static void omap4_clkdm_deny_idle(struct clockdomain *clkdm)
426{
427 if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
428 omap4_clkdm_wakeup(clkdm);
429 else
430 omap4_cminst_clkdm_disable_hwsup(clkdm->prcm_partition,
431 clkdm->cm_inst,
432 clkdm->clkdm_offs);
433}
434
435static int omap4_clkdm_clk_enable(struct clockdomain *clkdm)
436{
437 if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
438 return omap4_clkdm_wakeup(clkdm);
439
440 return 0;
441}
442
443static int omap4_clkdm_clk_disable(struct clockdomain *clkdm)
444{
445 bool hwsup = false;
446
447 if (!clkdm->prcm_partition)
448 return 0;
449
450 /*
451 * The CLKDM_MISSING_IDLE_REPORTING flag documentation has
452 * more details on the unpleasant problem this is working
453 * around
454 */
455 if (clkdm->flags & CLKDM_MISSING_IDLE_REPORTING &&
456 !(clkdm->flags & CLKDM_CAN_FORCE_SLEEP)) {
457 omap4_clkdm_allow_idle(clkdm);
458 return 0;
459 }
460
461 hwsup = omap4_cminst_is_clkdm_in_hwsup(clkdm->prcm_partition,
462 clkdm->cm_inst, clkdm->clkdm_offs);
463
464 if (!hwsup && (clkdm->flags & CLKDM_CAN_FORCE_SLEEP))
465 omap4_clkdm_sleep(clkdm);
466
467 return 0;
468}
469
470struct clkdm_ops omap4_clkdm_operations = {
471 .clkdm_add_wkdep = omap4_clkdm_add_wkup_sleep_dep,
472 .clkdm_del_wkdep = omap4_clkdm_del_wkup_sleep_dep,
473 .clkdm_read_wkdep = omap4_clkdm_read_wkup_sleep_dep,
474 .clkdm_clear_all_wkdeps = omap4_clkdm_clear_all_wkup_sleep_deps,
475 .clkdm_add_sleepdep = omap4_clkdm_add_wkup_sleep_dep,
476 .clkdm_del_sleepdep = omap4_clkdm_del_wkup_sleep_dep,
477 .clkdm_read_sleepdep = omap4_clkdm_read_wkup_sleep_dep,
478 .clkdm_clear_all_sleepdeps = omap4_clkdm_clear_all_wkup_sleep_deps,
479 .clkdm_sleep = omap4_clkdm_sleep,
480 .clkdm_wakeup = omap4_clkdm_wakeup,
481 .clkdm_allow_idle = omap4_clkdm_allow_idle,
482 .clkdm_deny_idle = omap4_clkdm_deny_idle,
483 .clkdm_clk_enable = omap4_clkdm_clk_enable,
484 .clkdm_clk_disable = omap4_clkdm_clk_disable,
485};
diff --git a/arch/arm/mach-omap2/cminst44xx.h b/arch/arm/mach-omap2/cminst44xx.h
index d69fdefef985..bd7bab889745 100644
--- a/arch/arm/mach-omap2/cminst44xx.h
+++ b/arch/arm/mach-omap2/cminst44xx.h
@@ -38,4 +38,6 @@ extern u32 omap4_cminst_clear_inst_reg_bits(u32 bits, u8 part, s16 inst,
38extern u32 omap4_cminst_read_inst_reg_bits(u8 part, u16 inst, s16 idx, 38extern u32 omap4_cminst_read_inst_reg_bits(u8 part, u16 inst, s16 idx,
39 u32 mask); 39 u32 mask);
40 40
41extern void omap_cm_base_init(void);
42
41#endif 43#endif
diff --git a/arch/arm/mach-omap2/common.c b/arch/arm/mach-omap2/common.c
index 34fb5b95859b..5c2fd4863b2b 100644
--- a/arch/arm/mach-omap2/common.c
+++ b/arch/arm/mach-omap2/common.c
@@ -14,196 +14,13 @@
14 */ 14 */
15#include <linux/kernel.h> 15#include <linux/kernel.h>
16#include <linux/init.h> 16#include <linux/init.h>
17#include <linux/clk.h>
18#include <linux/io.h>
19#include <linux/platform_data/dsp-omap.h> 17#include <linux/platform_data/dsp-omap.h>
20 18
21#include <plat/vram.h> 19#include <plat/vram.h>
22 20
23#include "soc.h"
24#include "iomap.h"
25#include "common.h" 21#include "common.h"
26#include "clock.h"
27#include "sdrc.h"
28#include "control.h"
29#include "omap-secure.h" 22#include "omap-secure.h"
30 23
31/* Global address base setup code */
32
33static void __init __omap2_set_globals(struct omap_globals *omap2_globals)
34{
35 omap2_set_globals_tap(omap2_globals);
36 omap2_set_globals_sdrc(omap2_globals);
37 omap2_set_globals_control(omap2_globals);
38 omap2_set_globals_prcm(omap2_globals);
39}
40
41#if defined(CONFIG_SOC_OMAP2420)
42
43static struct omap_globals omap242x_globals = {
44 .class = OMAP242X_CLASS,
45 .tap = OMAP2_L4_IO_ADDRESS(0x48014000),
46 .sdrc = OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE),
47 .sms = OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE),
48 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP242X_CTRL_BASE),
49 .prm = OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE),
50 .cm = OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE),
51};
52
53void __init omap2_set_globals_242x(void)
54{
55 __omap2_set_globals(&omap242x_globals);
56}
57
58void __init omap242x_map_io(void)
59{
60 omap242x_map_common_io();
61}
62#endif
63
64#if defined(CONFIG_SOC_OMAP2430)
65
66static struct omap_globals omap243x_globals = {
67 .class = OMAP243X_CLASS,
68 .tap = OMAP2_L4_IO_ADDRESS(0x4900a000),
69 .sdrc = OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE),
70 .sms = OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE),
71 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP243X_CTRL_BASE),
72 .prm = OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE),
73 .cm = OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE),
74};
75
76void __init omap2_set_globals_243x(void)
77{
78 __omap2_set_globals(&omap243x_globals);
79}
80
81void __init omap243x_map_io(void)
82{
83 omap243x_map_common_io();
84}
85#endif
86
87#if defined(CONFIG_ARCH_OMAP3)
88
89static struct omap_globals omap3_globals = {
90 .class = OMAP343X_CLASS,
91 .tap = OMAP2_L4_IO_ADDRESS(0x4830A000),
92 .sdrc = OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE),
93 .sms = OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE),
94 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE),
95 .prm = OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE),
96 .cm = OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE),
97};
98
99void __init omap2_set_globals_3xxx(void)
100{
101 __omap2_set_globals(&omap3_globals);
102}
103
104void __init omap3_map_io(void)
105{
106 omap34xx_map_common_io();
107}
108
109/*
110 * Adjust TAP register base such that omap3_check_revision accesses the correct
111 * TI81XX register for checking device ID (it adds 0x204 to tap base while
112 * TI81XX DEVICE ID register is at offset 0x600 from control base).
113 */
114#define TI81XX_TAP_BASE (TI81XX_CTRL_BASE + \
115 TI81XX_CONTROL_DEVICE_ID - 0x204)
116
117static struct omap_globals ti81xx_globals = {
118 .class = OMAP343X_CLASS,
119 .tap = OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE),
120 .ctrl = OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE),
121 .prm = OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE),
122 .cm = OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE),
123};
124
125void __init omap2_set_globals_ti81xx(void)
126{
127 __omap2_set_globals(&ti81xx_globals);
128}
129
130void __init ti81xx_map_io(void)
131{
132 omapti81xx_map_common_io();
133}
134#endif
135
136#if defined(CONFIG_SOC_AM33XX)
137#define AM33XX_TAP_BASE (AM33XX_CTRL_BASE + \
138 TI81XX_CONTROL_DEVICE_ID - 0x204)
139
140static struct omap_globals am33xx_globals = {
141 .class = AM335X_CLASS,
142 .tap = AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE),
143 .ctrl = AM33XX_L4_WK_IO_ADDRESS(AM33XX_CTRL_BASE),
144 .prm = AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE),
145 .cm = AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE),
146};
147
148void __init omap2_set_globals_am33xx(void)
149{
150 __omap2_set_globals(&am33xx_globals);
151}
152
153void __init am33xx_map_io(void)
154{
155 omapam33xx_map_common_io();
156}
157#endif
158
159#if defined(CONFIG_ARCH_OMAP4)
160static struct omap_globals omap4_globals = {
161 .class = OMAP443X_CLASS,
162 .tap = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
163 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
164 .ctrl_pad = OMAP2_L4_IO_ADDRESS(OMAP443X_CTRL_BASE),
165 .prm = OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE),
166 .cm = OMAP2_L4_IO_ADDRESS(OMAP4430_CM_BASE),
167 .cm2 = OMAP2_L4_IO_ADDRESS(OMAP4430_CM2_BASE),
168 .prcm_mpu = OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE),
169};
170
171void __init omap2_set_globals_443x(void)
172{
173 __omap2_set_globals(&omap4_globals);
174}
175
176void __init omap4_map_io(void)
177{
178 omap44xx_map_common_io();
179}
180#endif
181
182#if defined(CONFIG_SOC_OMAP5)
183static struct omap_globals omap5_globals = {
184 .class = OMAP54XX_CLASS,
185 .tap = OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
186 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
187 .ctrl_pad = OMAP2_L4_IO_ADDRESS(OMAP54XX_CTRL_BASE),
188 .prm = OMAP2_L4_IO_ADDRESS(OMAP54XX_PRM_BASE),
189 .cm = OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_AON_BASE),
190 .cm2 = OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_BASE),
191 .prcm_mpu = OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE),
192};
193
194void __init omap2_set_globals_5xxx(void)
195{
196 omap2_set_globals_tap(&omap5_globals);
197 omap2_set_globals_control(&omap5_globals);
198 omap2_set_globals_prcm(&omap5_globals);
199}
200
201void __init omap5_map_io(void)
202{
203 omap5_map_common_io();
204}
205#endif
206
207/* 24/*
208 * Stub function for OMAP2 so that common files 25 * Stub function for OMAP2 so that common files
209 * continue to build when custom builds are used 26 * continue to build when custom builds are used
diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h
index 426fcfcfd821..08c586451f93 100644
--- a/arch/arm/mach-omap2/common.h
+++ b/arch/arm/mach-omap2/common.h
@@ -41,54 +41,6 @@
41 41
42#define OMAP_INTC_START NR_IRQS 42#define OMAP_INTC_START NR_IRQS
43 43
44#ifdef CONFIG_SOC_OMAP2420
45extern void omap242x_map_common_io(void);
46#else
47static inline void omap242x_map_common_io(void)
48{
49}
50#endif
51
52#ifdef CONFIG_SOC_OMAP2430
53extern void omap243x_map_common_io(void);
54#else
55static inline void omap243x_map_common_io(void)
56{
57}
58#endif
59
60#ifdef CONFIG_ARCH_OMAP3
61extern void omap34xx_map_common_io(void);
62#else
63static inline void omap34xx_map_common_io(void)
64{
65}
66#endif
67
68#ifdef CONFIG_SOC_TI81XX
69extern void omapti81xx_map_common_io(void);
70#else
71static inline void omapti81xx_map_common_io(void)
72{
73}
74#endif
75
76#ifdef CONFIG_SOC_AM33XX
77extern void omapam33xx_map_common_io(void);
78#else
79static inline void omapam33xx_map_common_io(void)
80{
81}
82#endif
83
84#ifdef CONFIG_ARCH_OMAP4
85extern void omap44xx_map_common_io(void);
86#else
87static inline void omap44xx_map_common_io(void)
88{
89}
90#endif
91
92#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP2) 44#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP2)
93int omap2_pm_init(void); 45int omap2_pm_init(void);
94#else 46#else
@@ -125,14 +77,6 @@ static inline int omap_mux_late_init(void)
125} 77}
126#endif 78#endif
127 79
128#ifdef CONFIG_SOC_OMAP5
129extern void omap5_map_common_io(void);
130#else
131static inline void omap5_map_common_io(void)
132{
133}
134#endif
135
136extern void omap2_init_common_infrastructure(void); 80extern void omap2_init_common_infrastructure(void);
137 81
138extern struct sys_timer omap2_timer; 82extern struct sys_timer omap2_timer;
@@ -165,52 +109,43 @@ void am35xx_init_late(void);
165void ti81xx_init_late(void); 109void ti81xx_init_late(void);
166void omap4430_init_late(void); 110void omap4430_init_late(void);
167int omap2_common_pm_late_init(void); 111int omap2_common_pm_late_init(void);
168void omap_prcm_restart(char, const char *);
169 112
170/* 113#if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
171 * IO bases for various OMAP processors 114void omap2xxx_restart(char mode, const char *cmd);
172 * Except the tap base, rest all the io bases
173 * listed are physical addresses.
174 */
175struct omap_globals {
176 u32 class; /* OMAP class to detect */
177 void __iomem *tap; /* Control module ID code */
178 void __iomem *sdrc; /* SDRAM Controller */
179 void __iomem *sms; /* SDRAM Memory Scheduler */
180 void __iomem *ctrl; /* System Control Module */
181 void __iomem *ctrl_pad; /* PAD Control Module */
182 void __iomem *prm; /* Power and Reset Management */
183 void __iomem *cm; /* Clock Management */
184 void __iomem *cm2;
185 void __iomem *prcm_mpu;
186};
187
188void omap2_set_globals_242x(void);
189void omap2_set_globals_243x(void);
190void omap2_set_globals_3xxx(void);
191void omap2_set_globals_443x(void);
192void omap2_set_globals_5xxx(void);
193void omap2_set_globals_ti81xx(void);
194void omap2_set_globals_am33xx(void);
195
196/* These get called from omap2_set_globals_xxxx(), do not call these */
197void omap2_set_globals_tap(struct omap_globals *);
198#if defined(CONFIG_SOC_HAS_OMAP2_SDRC)
199void omap2_set_globals_sdrc(struct omap_globals *);
200#else 115#else
201static inline void omap2_set_globals_sdrc(struct omap_globals *omap2_globals) 116static inline void omap2xxx_restart(char mode, const char *cmd)
202{ } 117{
118}
203#endif 119#endif
204void omap2_set_globals_control(struct omap_globals *); 120
205void omap2_set_globals_prcm(struct omap_globals *); 121#ifdef CONFIG_ARCH_OMAP3
206 122void omap3xxx_restart(char mode, const char *cmd);
207void omap242x_map_io(void); 123#else
208void omap243x_map_io(void); 124static inline void omap3xxx_restart(char mode, const char *cmd)
209void omap3_map_io(void); 125{
210void am33xx_map_io(void); 126}
211void omap4_map_io(void); 127#endif
212void omap5_map_io(void); 128
213void ti81xx_map_io(void); 129#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
130void omap44xx_restart(char mode, const char *cmd);
131#else
132static inline void omap44xx_restart(char mode, const char *cmd)
133{
134}
135#endif
136
137/* This gets called from mach-omap2/io.c, do not call this */
138void __init omap2_set_globals_tap(u32 class, void __iomem *tap);
139
140void __init omap242x_map_io(void);
141void __init omap243x_map_io(void);
142void __init omap3_map_io(void);
143void __init am33xx_map_io(void);
144void __init omap4_map_io(void);
145void __init omap5_map_io(void);
146void __init ti81xx_map_io(void);
147
148/* omap_barriers_init() is OMAP4 only */
214void omap_barriers_init(void); 149void omap_barriers_init(void);
215 150
216/** 151/**
diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c
index bf2be5c5468d..2adb2683f074 100644
--- a/arch/arm/mach-omap2/control.c
+++ b/arch/arm/mach-omap2/control.c
@@ -20,8 +20,8 @@
20#include "common.h" 20#include "common.h"
21#include "cm-regbits-34xx.h" 21#include "cm-regbits-34xx.h"
22#include "prm-regbits-34xx.h" 22#include "prm-regbits-34xx.h"
23#include "prm2xxx_3xxx.h" 23#include "prm3xxx.h"
24#include "cm2xxx_3xxx.h" 24#include "cm3xxx.h"
25#include "sdrc.h" 25#include "sdrc.h"
26#include "pm.h" 26#include "pm.h"
27#include "control.h" 27#include "control.h"
@@ -147,13 +147,11 @@ static struct omap3_control_regs control_context;
147#define OMAP_CTRL_REGADDR(reg) (omap2_ctrl_base + (reg)) 147#define OMAP_CTRL_REGADDR(reg) (omap2_ctrl_base + (reg))
148#define OMAP4_CTRL_PAD_REGADDR(reg) (omap4_ctrl_pad_base + (reg)) 148#define OMAP4_CTRL_PAD_REGADDR(reg) (omap4_ctrl_pad_base + (reg))
149 149
150void __init omap2_set_globals_control(struct omap_globals *omap2_globals) 150void __init omap2_set_globals_control(void __iomem *ctrl,
151 void __iomem *ctrl_pad)
151{ 152{
152 if (omap2_globals->ctrl) 153 omap2_ctrl_base = ctrl;
153 omap2_ctrl_base = omap2_globals->ctrl; 154 omap4_ctrl_pad_base = ctrl_pad;
154
155 if (omap2_globals->ctrl_pad)
156 omap4_ctrl_pad_base = omap2_globals->ctrl_pad;
157} 155}
158 156
159void __iomem *omap_ctrl_base_get(void) 157void __iomem *omap_ctrl_base_get(void)
diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h
index a89e8256fd0e..4ca8747b3cc9 100644
--- a/arch/arm/mach-omap2/control.h
+++ b/arch/arm/mach-omap2/control.h
@@ -414,6 +414,8 @@ extern void omap_ctrl_write_dsp_boot_addr(u32 bootaddr);
414extern void omap_ctrl_write_dsp_boot_mode(u8 bootmode); 414extern void omap_ctrl_write_dsp_boot_mode(u8 bootmode);
415extern void omap3630_ctrl_disable_rta(void); 415extern void omap3630_ctrl_disable_rta(void);
416extern int omap3_ctrl_save_padconf(void); 416extern int omap3_ctrl_save_padconf(void);
417extern void omap2_set_globals_control(void __iomem *ctrl,
418 void __iomem *ctrl_pad);
417#else 419#else
418#define omap_ctrl_base_get() 0 420#define omap_ctrl_base_get() 0
419#define omap_ctrl_readb(x) 0 421#define omap_ctrl_readb(x) 0
diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c
index bc2756959be5..bca7a8885703 100644
--- a/arch/arm/mach-omap2/cpuidle34xx.c
+++ b/arch/arm/mach-omap2/cpuidle34xx.c
@@ -27,7 +27,6 @@
27#include <linux/export.h> 27#include <linux/export.h>
28#include <linux/cpu_pm.h> 28#include <linux/cpu_pm.h>
29 29
30#include <plat/prcm.h>
31#include "powerdomain.h" 30#include "powerdomain.h"
32#include "clockdomain.h" 31#include "clockdomain.h"
33 32
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 2ad491d6910b..cf365c387c06 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -646,29 +646,3 @@ static int __init omap2_init_devices(void)
646 return 0; 646 return 0;
647} 647}
648arch_initcall(omap2_init_devices); 648arch_initcall(omap2_init_devices);
649
650#if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
651static int __init omap_init_wdt(void)
652{
653 int id = -1;
654 struct platform_device *pdev;
655 struct omap_hwmod *oh;
656 char *oh_name = "wd_timer2";
657 char *dev_name = "omap_wdt";
658
659 if (!cpu_class_is_omap2() || of_have_populated_dt())
660 return 0;
661
662 oh = omap_hwmod_lookup(oh_name);
663 if (!oh) {
664 pr_err("Could not look up wd_timer%d hwmod\n", id);
665 return -EINVAL;
666 }
667
668 pdev = omap_device_build(dev_name, id, oh, NULL, 0, NULL, 0, 0);
669 WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s.\n",
670 dev_name, oh->name);
671 return 0;
672}
673subsys_initcall(omap_init_wdt);
674#endif
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 89c57129357a..38ba58c97628 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -35,6 +35,7 @@
35#include "mux.h" 35#include "mux.h"
36#include "control.h" 36#include "control.h"
37#include "display.h" 37#include "display.h"
38#include "prm.h"
38 39
39#define DISPC_CONTROL 0x0040 40#define DISPC_CONTROL 0x0040
40#define DISPC_CONTROL2 0x0238 41#define DISPC_CONTROL2 0x0238
@@ -512,7 +513,6 @@ static void dispc_disable_outputs(void)
512 } 513 }
513} 514}
514 515
515#define MAX_MODULE_SOFTRESET_WAIT 10000
516int omap_dss_reset(struct omap_hwmod *oh) 516int omap_dss_reset(struct omap_hwmod *oh)
517{ 517{
518 struct omap_hwmod_opt_clk *oc; 518 struct omap_hwmod_opt_clk *oc;
diff --git a/arch/arm/mach-omap2/hdq1w.c b/arch/arm/mach-omap2/hdq1w.c
index 3da8900598c8..ab7bf181a105 100644
--- a/arch/arm/mach-omap2/hdq1w.c
+++ b/arch/arm/mach-omap2/hdq1w.c
@@ -31,11 +31,9 @@
31#include "omap_device.h" 31#include "omap_device.h"
32#include "hdq1w.h" 32#include "hdq1w.h"
33 33
34#include "prm.h"
34#include "common.h" 35#include "common.h"
35 36
36/* Maximum microseconds to wait for OMAP module to softreset */
37#define MAX_MODULE_SOFTRESET_WAIT 10000
38
39/** 37/**
40 * omap_hdq1w_reset - reset the OMAP HDQ1W module 38 * omap_hdq1w_reset - reset the OMAP HDQ1W module
41 * @oh: struct omap_hwmod * 39 * @oh: struct omap_hwmod *
diff --git a/arch/arm/mach-omap2/i2c.c b/arch/arm/mach-omap2/i2c.c
index 4e63097e3cd8..fbb9b152cd5e 100644
--- a/arch/arm/mach-omap2/i2c.c
+++ b/arch/arm/mach-omap2/i2c.c
@@ -20,10 +20,11 @@
20 */ 20 */
21 21
22#include "soc.h" 22#include "soc.h"
23#include "common.h"
24#include "omap_hwmod.h" 23#include "omap_hwmod.h"
25#include "omap_device.h" 24#include "omap_device.h"
26 25
26#include "prm.h"
27#include "common.h"
27#include "mux.h" 28#include "mux.h"
28#include "i2c.h" 29#include "i2c.h"
29 30
@@ -32,9 +33,6 @@
32#define OMAP2_I2C_CON_OFFSET 0x24 33#define OMAP2_I2C_CON_OFFSET 0x24
33#define OMAP4_I2C_CON_OFFSET 0xA4 34#define OMAP4_I2C_CON_OFFSET 0xA4
34 35
35/* Maximum microseconds to wait for OMAP module to softreset */
36#define MAX_MODULE_SOFTRESET_WAIT 10000
37
38#define MAX_OMAP_I2C_HWMOD_NAME_LEN 16 36#define MAX_OMAP_I2C_HWMOD_NAME_LEN 16
39 37
40static void __init omap2_i2c_mux_pins(int bus_id) 38static void __init omap2_i2c_mux_pins(int bus_id)
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index cf2362ccb234..f1e121502789 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -559,11 +559,12 @@ void __init omap5xxx_check_revision(void)
559 * detect the exact revision later on in omap2_detect_revision() once map_io 559 * detect the exact revision later on in omap2_detect_revision() once map_io
560 * is done. 560 * is done.
561 */ 561 */
562void __init omap2_set_globals_tap(struct omap_globals *omap2_globals) 562void __init omap2_set_globals_tap(u32 class, void __iomem *tap)
563{ 563{
564 omap_revision = omap2_globals->class; 564 omap_revision = class;
565 tap_base = omap2_globals->tap; 565 tap_base = tap;
566 566
567 /* XXX What is this intended to do? */
567 if (cpu_is_omap34xx()) 568 if (cpu_is_omap34xx())
568 tap_prod_id = 0x0210; 569 tap_prod_id = 0x0210;
569 else 570 else
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 807b8d919f81..9df757644cce 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -40,8 +40,16 @@
40#include "clock44xx.h" 40#include "clock44xx.h"
41#include "omap-pm.h" 41#include "omap-pm.h"
42#include "sdrc.h" 42#include "sdrc.h"
43#include "control.h"
43#include "serial.h" 44#include "serial.h"
44#include "sram.h" 45#include "sram.h"
46#include "cm2xxx.h"
47#include "cm3xxx.h"
48#include "prm.h"
49#include "cm.h"
50#include "prcm_mpu44xx.h"
51#include "prminst44xx.h"
52#include "cminst44xx.h"
45 53
46/* 54/*
47 * The machine specific code may provide the extra mapping besides the 55 * The machine specific code may provide the extra mapping besides the
@@ -264,7 +272,7 @@ static struct map_desc omap54xx_io_desc[] __initdata = {
264#endif 272#endif
265 273
266#ifdef CONFIG_SOC_OMAP2420 274#ifdef CONFIG_SOC_OMAP2420
267void __init omap242x_map_common_io(void) 275void __init omap242x_map_io(void)
268{ 276{
269 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc)); 277 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
270 iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc)); 278 iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
@@ -272,7 +280,7 @@ void __init omap242x_map_common_io(void)
272#endif 280#endif
273 281
274#ifdef CONFIG_SOC_OMAP2430 282#ifdef CONFIG_SOC_OMAP2430
275void __init omap243x_map_common_io(void) 283void __init omap243x_map_io(void)
276{ 284{
277 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc)); 285 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
278 iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc)); 286 iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
@@ -280,28 +288,28 @@ void __init omap243x_map_common_io(void)
280#endif 288#endif
281 289
282#ifdef CONFIG_ARCH_OMAP3 290#ifdef CONFIG_ARCH_OMAP3
283void __init omap34xx_map_common_io(void) 291void __init omap3_map_io(void)
284{ 292{
285 iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc)); 293 iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
286} 294}
287#endif 295#endif
288 296
289#ifdef CONFIG_SOC_TI81XX 297#ifdef CONFIG_SOC_TI81XX
290void __init omapti81xx_map_common_io(void) 298void __init ti81xx_map_io(void)
291{ 299{
292 iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc)); 300 iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc));
293} 301}
294#endif 302#endif
295 303
296#ifdef CONFIG_SOC_AM33XX 304#ifdef CONFIG_SOC_AM33XX
297void __init omapam33xx_map_common_io(void) 305void __init am33xx_map_io(void)
298{ 306{
299 iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc)); 307 iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc));
300} 308}
301#endif 309#endif
302 310
303#ifdef CONFIG_ARCH_OMAP4 311#ifdef CONFIG_ARCH_OMAP4
304void __init omap44xx_map_common_io(void) 312void __init omap4_map_io(void)
305{ 313{
306 iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc)); 314 iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
307 omap_barriers_init(); 315 omap_barriers_init();
@@ -309,7 +317,7 @@ void __init omap44xx_map_common_io(void)
309#endif 317#endif
310 318
311#ifdef CONFIG_SOC_OMAP5 319#ifdef CONFIG_SOC_OMAP5
312void __init omap5_map_common_io(void) 320void __init omap5_map_io(void)
313{ 321{
314 iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc)); 322 iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc));
315} 323}
@@ -371,8 +379,15 @@ static void __init omap_hwmod_init_postsetup(void)
371#ifdef CONFIG_SOC_OMAP2420 379#ifdef CONFIG_SOC_OMAP2420
372void __init omap2420_init_early(void) 380void __init omap2420_init_early(void)
373{ 381{
374 omap2_set_globals_242x(); 382 omap2_set_globals_tap(OMAP242X_CLASS, OMAP2_L4_IO_ADDRESS(0x48014000));
383 omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE),
384 OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE));
385 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP242X_CTRL_BASE),
386 NULL);
387 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE));
388 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE), NULL);
375 omap2xxx_check_revision(); 389 omap2xxx_check_revision();
390 omap2xxx_cm_init();
376 omap2xxx_voltagedomains_init(); 391 omap2xxx_voltagedomains_init();
377 omap242x_powerdomains_init(); 392 omap242x_powerdomains_init();
378 omap242x_clockdomains_init(); 393 omap242x_clockdomains_init();
@@ -392,8 +407,15 @@ void __init omap2420_init_late(void)
392#ifdef CONFIG_SOC_OMAP2430 407#ifdef CONFIG_SOC_OMAP2430
393void __init omap2430_init_early(void) 408void __init omap2430_init_early(void)
394{ 409{
395 omap2_set_globals_243x(); 410 omap2_set_globals_tap(OMAP243X_CLASS, OMAP2_L4_IO_ADDRESS(0x4900a000));
411 omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE),
412 OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE));
413 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP243X_CTRL_BASE),
414 NULL);
415 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE));
416 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE), NULL);
396 omap2xxx_check_revision(); 417 omap2xxx_check_revision();
418 omap2xxx_cm_init();
397 omap2xxx_voltagedomains_init(); 419 omap2xxx_voltagedomains_init();
398 omap243x_powerdomains_init(); 420 omap243x_powerdomains_init();
399 omap243x_clockdomains_init(); 421 omap243x_clockdomains_init();
@@ -417,9 +439,16 @@ void __init omap2430_init_late(void)
417#ifdef CONFIG_ARCH_OMAP3 439#ifdef CONFIG_ARCH_OMAP3
418void __init omap3_init_early(void) 440void __init omap3_init_early(void)
419{ 441{
420 omap2_set_globals_3xxx(); 442 omap2_set_globals_tap(OMAP343X_CLASS, OMAP2_L4_IO_ADDRESS(0x4830A000));
443 omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE),
444 OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE));
445 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE),
446 NULL);
447 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE));
448 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE), NULL);
421 omap3xxx_check_revision(); 449 omap3xxx_check_revision();
422 omap3xxx_check_features(); 450 omap3xxx_check_features();
451 omap3xxx_cm_init();
423 omap3xxx_voltagedomains_init(); 452 omap3xxx_voltagedomains_init();
424 omap3xxx_powerdomains_init(); 453 omap3xxx_powerdomains_init();
425 omap3xxx_clockdomains_init(); 454 omap3xxx_clockdomains_init();
@@ -450,7 +479,12 @@ void __init am35xx_init_early(void)
450 479
451void __init ti81xx_init_early(void) 480void __init ti81xx_init_early(void)
452{ 481{
453 omap2_set_globals_ti81xx(); 482 omap2_set_globals_tap(OMAP343X_CLASS,
483 OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
484 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE),
485 NULL);
486 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE));
487 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE), NULL);
454 omap3xxx_check_revision(); 488 omap3xxx_check_revision();
455 ti81xx_check_features(); 489 ti81xx_check_features();
456 omap3xxx_voltagedomains_init(); 490 omap3xxx_voltagedomains_init();
@@ -507,7 +541,12 @@ void __init ti81xx_init_late(void)
507#ifdef CONFIG_SOC_AM33XX 541#ifdef CONFIG_SOC_AM33XX
508void __init am33xx_init_early(void) 542void __init am33xx_init_early(void)
509{ 543{
510 omap2_set_globals_am33xx(); 544 omap2_set_globals_tap(AM335X_CLASS,
545 AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
546 omap2_set_globals_control(AM33XX_L4_WK_IO_ADDRESS(AM33XX_CTRL_BASE),
547 NULL);
548 omap2_set_globals_prm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE));
549 omap2_set_globals_cm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE), NULL);
511 omap3xxx_check_revision(); 550 omap3xxx_check_revision();
512 ti81xx_check_features(); 551 ti81xx_check_features();
513 am33xx_voltagedomains_init(); 552 am33xx_voltagedomains_init();
@@ -522,7 +561,16 @@ void __init am33xx_init_early(void)
522#ifdef CONFIG_ARCH_OMAP4 561#ifdef CONFIG_ARCH_OMAP4
523void __init omap4430_init_early(void) 562void __init omap4430_init_early(void)
524{ 563{
525 omap2_set_globals_443x(); 564 omap2_set_globals_tap(OMAP443X_CLASS,
565 OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE));
566 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
567 OMAP2_L4_IO_ADDRESS(OMAP443X_CTRL_BASE));
568 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE));
569 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP4430_CM_BASE),
570 OMAP2_L4_IO_ADDRESS(OMAP4430_CM2_BASE));
571 omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE));
572 omap_prm_base_init();
573 omap_cm_base_init();
526 omap4xxx_check_revision(); 574 omap4xxx_check_revision();
527 omap4xxx_check_features(); 575 omap4xxx_check_features();
528 omap44xx_voltagedomains_init(); 576 omap44xx_voltagedomains_init();
@@ -544,7 +592,16 @@ void __init omap4430_init_late(void)
544#ifdef CONFIG_SOC_OMAP5 592#ifdef CONFIG_SOC_OMAP5
545void __init omap5_init_early(void) 593void __init omap5_init_early(void)
546{ 594{
547 omap2_set_globals_5xxx(); 595 omap2_set_globals_tap(OMAP54XX_CLASS,
596 OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE));
597 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
598 OMAP2_L4_IO_ADDRESS(OMAP54XX_CTRL_BASE));
599 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRM_BASE));
600 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_AON_BASE),
601 OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_BASE));
602 omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
603 omap_prm_base_init();
604 omap_cm_base_init();
548 omap5xxx_check_revision(); 605 omap5xxx_check_revision();
549} 606}
550#endif 607#endif
diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
index a106c75c5338..bf496510eb5e 100644
--- a/arch/arm/mach-omap2/mcbsp.c
+++ b/arch/arm/mach-omap2/mcbsp.c
@@ -29,7 +29,7 @@
29 * FIXME: Find a mechanism to enable/disable runtime the McBSP ICLK autoidle. 29 * FIXME: Find a mechanism to enable/disable runtime the McBSP ICLK autoidle.
30 * Sidetone needs non-gated ICLK and sidetone autoidle is broken. 30 * Sidetone needs non-gated ICLK and sidetone autoidle is broken.
31 */ 31 */
32#include "cm2xxx_3xxx.h" 32#include "cm3xxx.h"
33#include "cm-regbits-34xx.h" 33#include "cm-regbits-34xx.h"
34 34
35static int omap3_enable_st_clock(unsigned int id, bool enable) 35static int omap3_enable_st_clock(unsigned int id, bool enable)
diff --git a/arch/arm/mach-omap2/msdi.c b/arch/arm/mach-omap2/msdi.c
index 627e97e30743..aafdd4ca9f4f 100644
--- a/arch/arm/mach-omap2/msdi.c
+++ b/arch/arm/mach-omap2/msdi.c
@@ -25,6 +25,7 @@
25#include <linux/err.h> 25#include <linux/err.h>
26#include <linux/platform_data/gpio-omap.h> 26#include <linux/platform_data/gpio-omap.h>
27 27
28#include "prm.h"
28#include "common.h" 29#include "common.h"
29#include "control.h" 30#include "control.h"
30#include "omap_hwmod.h" 31#include "omap_hwmod.h"
@@ -43,9 +44,6 @@
43#define MSDI_CON_CLKD_MASK (0x3f << 0) 44#define MSDI_CON_CLKD_MASK (0x3f << 0)
44#define MSDI_CON_CLKD_SHIFT 0 45#define MSDI_CON_CLKD_SHIFT 0
45 46
46/* Maximum microseconds to wait for OMAP module to softreset */
47#define MAX_MODULE_SOFTRESET_WAIT 10000
48
49/* MSDI_TARGET_RESET_CLKD: clock divisor to use throughout the reset */ 47/* MSDI_TARGET_RESET_CLKD: clock divisor to use throughout the reset */
50#define MSDI_TARGET_RESET_CLKD 0x3ff 48#define MSDI_TARGET_RESET_CLKD 0x3ff
51 49
diff --git a/arch/arm/mach-omap2/omap2-restart.c b/arch/arm/mach-omap2/omap2-restart.c
new file mode 100644
index 000000000000..be6bc89ab1e8
--- /dev/null
+++ b/arch/arm/mach-omap2/omap2-restart.c
@@ -0,0 +1,65 @@
1/*
2 * omap2-restart.c - code common to all OMAP2xxx machines.
3 *
4 * Copyright (C) 2012 Texas Instruments
5 * Paul Walmsley
6 *
7 * 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
9 * published by the Free Software Foundation.
10 */
11#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/clk.h>
14#include <linux/io.h>
15
16#include "common.h"
17#include "prm2xxx.h"
18
19/*
20 * reset_virt_prcm_set_ck, reset_sys_ck: pointers to the virt_prcm_set
21 * clock and the sys_ck. Used during the reset process
22 */
23static struct clk *reset_virt_prcm_set_ck, *reset_sys_ck;
24
25/* Reboot handling */
26
27/**
28 * omap2xxx_restart - Set DPLL to bypass mode for reboot to work
29 *
30 * Set the DPLL to bypass so that reboot completes successfully. No
31 * return value.
32 */
33void omap2xxx_restart(char mode, const char *cmd)
34{
35 u32 rate;
36
37 rate = clk_get_rate(reset_sys_ck);
38 clk_set_rate(reset_virt_prcm_set_ck, rate);
39
40 /* XXX Should save the cmd argument for use after the reboot */
41
42 omap2xxx_prm_dpll_reset(); /* never returns */
43 while (1);
44}
45
46/**
47 * omap2xxx_common_look_up_clks_for_reset - look up clocks needed for restart
48 *
49 * Some clocks need to be looked up in advance for the SoC restart
50 * operation to work - see omap2xxx_restart(). Returns -EINVAL upon
51 * error or 0 upon success.
52 */
53static int __init omap2xxx_common_look_up_clks_for_reset(void)
54{
55 reset_virt_prcm_set_ck = clk_get(NULL, "virt_prcm_set");
56 if (IS_ERR(reset_virt_prcm_set_ck))
57 return -EINVAL;
58
59 reset_sys_ck = clk_get(NULL, "sys_ck");
60 if (IS_ERR(reset_sys_ck))
61 return -EINVAL;
62
63 return 0;
64}
65core_initcall(omap2xxx_common_look_up_clks_for_reset);
diff --git a/arch/arm/mach-omap2/omap3-restart.c b/arch/arm/mach-omap2/omap3-restart.c
new file mode 100644
index 000000000000..923c582189e5
--- /dev/null
+++ b/arch/arm/mach-omap2/omap3-restart.c
@@ -0,0 +1,36 @@
1/*
2 * omap3-restart.c - Code common to all OMAP3xxx machines.
3 *
4 * Copyright (C) 2009, 2012 Texas Instruments
5 * Copyright (C) 2010 Nokia Corporation
6 * Tony Lindgren <tony@atomide.com>
7 * Santosh Shilimkar <santosh.shilimkar@ti.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#include <linux/kernel.h>
14#include <linux/init.h>
15
16#include "iomap.h"
17#include "common.h"
18#include "control.h"
19#include "prm3xxx.h"
20
21/* Global address base setup code */
22
23/**
24 * omap3xxx_restart - trigger a software restart of the SoC
25 * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c
26 * @cmd: passed from the userspace program rebooting the system (if provided)
27 *
28 * Resets the SoC. For @cmd, see the 'reboot' syscall in
29 * kernel/sys.c. No return value.
30 */
31void omap3xxx_restart(char mode, const char *cmd)
32{
33 omap3_ctrl_write_boot_mode((cmd ? (u8)*cmd : 0));
34 omap3xxx_prm_dpll3_reset(); /* never returns */
35 while (1);
36}
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index 3cfcd41bf8fa..5695885ea340 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -27,9 +27,12 @@
27 27
28#include "omap-wakeupgen.h" 28#include "omap-wakeupgen.h"
29#include "soc.h" 29#include "soc.h"
30#include "iomap.h"
30#include "common.h" 31#include "common.h"
31#include "mmc.h" 32#include "mmc.h"
32#include "hsmmc.h" 33#include "hsmmc.h"
34#include "prminst44xx.h"
35#include "prcm_mpu44xx.h"
33#include "omap4-sar-layout.h" 36#include "omap4-sar-layout.h"
34#include "omap-secure.h" 37#include "omap-secure.h"
35#include "sram.h" 38#include "sram.h"
@@ -279,3 +282,19 @@ int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
279 return 0; 282 return 0;
280} 283}
281#endif 284#endif
285
286/**
287 * omap44xx_restart - trigger a software restart of the SoC
288 * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c
289 * @cmd: passed from the userspace program rebooting the system (if provided)
290 *
291 * Resets the SoC. For @cmd, see the 'reboot' syscall in
292 * kernel/sys.c. No return value.
293 */
294void omap44xx_restart(char mode, const char *cmd)
295{
296 /* XXX Should save 'cmd' into scratchpad for use after reboot */
297 omap4_prminst_global_warm_sw_reset(); /* never returns */
298 while (1);
299}
300
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 87eee3b62a3c..139adca3bda1 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -141,25 +141,23 @@
141 141
142#include "clock.h" 142#include "clock.h"
143#include "omap_hwmod.h" 143#include "omap_hwmod.h"
144#include <plat/prcm.h>
145 144
146#include "soc.h" 145#include "soc.h"
147#include "common.h" 146#include "common.h"
148#include "clockdomain.h" 147#include "clockdomain.h"
149#include "powerdomain.h" 148#include "powerdomain.h"
150#include "cm2xxx_3xxx.h" 149#include "cm2xxx.h"
150#include "cm3xxx.h"
151#include "cminst44xx.h" 151#include "cminst44xx.h"
152#include "cm33xx.h" 152#include "cm33xx.h"
153#include "prm2xxx_3xxx.h" 153#include "prm.h"
154#include "prm3xxx.h"
154#include "prm44xx.h" 155#include "prm44xx.h"
155#include "prm33xx.h" 156#include "prm33xx.h"
156#include "prminst44xx.h" 157#include "prminst44xx.h"
157#include "mux.h" 158#include "mux.h"
158#include "pm.h" 159#include "pm.h"
159 160
160/* Maximum microseconds to wait for OMAP module to softreset */
161#define MAX_MODULE_SOFTRESET_WAIT 10000
162
163/* Name of the OMAP hwmod for the MPU */ 161/* Name of the OMAP hwmod for the MPU */
164#define MPU_INITIATOR_NAME "mpu" 162#define MPU_INITIATOR_NAME "mpu"
165 163
@@ -2063,7 +2061,8 @@ static int _enable(struct omap_hwmod *oh)
2063 _enable_sysc(oh); 2061 _enable_sysc(oh);
2064 } 2062 }
2065 } else { 2063 } else {
2066 _omap4_disable_module(oh); 2064 if (soc_ops.disable_module)
2065 soc_ops.disable_module(oh);
2067 _disable_clocks(oh); 2066 _disable_clocks(oh);
2068 pr_debug("omap_hwmod: %s: _wait_target_ready: %d\n", 2067 pr_debug("omap_hwmod: %s: _wait_target_ready: %d\n",
2069 oh->name, r); 2068 oh->name, r);
@@ -2668,7 +2667,34 @@ static int __init _alloc_linkspace(struct omap_hwmod_ocp_if **ois)
2668/* Static functions intended only for use in soc_ops field function pointers */ 2667/* Static functions intended only for use in soc_ops field function pointers */
2669 2668
2670/** 2669/**
2671 * _omap2_wait_target_ready - wait for a module to leave slave idle 2670 * _omap2xxx_wait_target_ready - wait for a module to leave slave idle
2671 * @oh: struct omap_hwmod *
2672 *
2673 * Wait for a module @oh to leave slave idle. Returns 0 if the module
2674 * does not have an IDLEST bit or if the module successfully leaves
2675 * slave idle; otherwise, pass along the return value of the
2676 * appropriate *_cm*_wait_module_ready() function.
2677 */
2678static int _omap2xxx_wait_target_ready(struct omap_hwmod *oh)
2679{
2680 if (!oh)
2681 return -EINVAL;
2682
2683 if (oh->flags & HWMOD_NO_IDLEST)
2684 return 0;
2685
2686 if (!_find_mpu_rt_port(oh))
2687 return 0;
2688
2689 /* XXX check module SIDLEMODE, hardreset status, enabled clocks */
2690
2691 return omap2xxx_cm_wait_module_ready(oh->prcm.omap2.module_offs,
2692 oh->prcm.omap2.idlest_reg_id,
2693 oh->prcm.omap2.idlest_idle_bit);
2694}
2695
2696/**
2697 * _omap3xxx_wait_target_ready - wait for a module to leave slave idle
2672 * @oh: struct omap_hwmod * 2698 * @oh: struct omap_hwmod *
2673 * 2699 *
2674 * Wait for a module @oh to leave slave idle. Returns 0 if the module 2700 * Wait for a module @oh to leave slave idle. Returns 0 if the module
@@ -2676,7 +2702,7 @@ static int __init _alloc_linkspace(struct omap_hwmod_ocp_if **ois)
2676 * slave idle; otherwise, pass along the return value of the 2702 * slave idle; otherwise, pass along the return value of the
2677 * appropriate *_cm*_wait_module_ready() function. 2703 * appropriate *_cm*_wait_module_ready() function.
2678 */ 2704 */
2679static int _omap2_wait_target_ready(struct omap_hwmod *oh) 2705static int _omap3xxx_wait_target_ready(struct omap_hwmod *oh)
2680{ 2706{
2681 if (!oh) 2707 if (!oh)
2682 return -EINVAL; 2708 return -EINVAL;
@@ -2689,9 +2715,9 @@ static int _omap2_wait_target_ready(struct omap_hwmod *oh)
2689 2715
2690 /* XXX check module SIDLEMODE, hardreset status, enabled clocks */ 2716 /* XXX check module SIDLEMODE, hardreset status, enabled clocks */
2691 2717
2692 return omap2_cm_wait_module_ready(oh->prcm.omap2.module_offs, 2718 return omap3xxx_cm_wait_module_ready(oh->prcm.omap2.module_offs,
2693 oh->prcm.omap2.idlest_reg_id, 2719 oh->prcm.omap2.idlest_reg_id,
2694 oh->prcm.omap2.idlest_idle_bit); 2720 oh->prcm.omap2.idlest_idle_bit);
2695} 2721}
2696 2722
2697/** 2723/**
@@ -3959,8 +3985,13 @@ int omap_hwmod_pad_route_irq(struct omap_hwmod *oh, int pad_idx, int irq_idx)
3959 */ 3985 */
3960void __init omap_hwmod_init(void) 3986void __init omap_hwmod_init(void)
3961{ 3987{
3962 if (cpu_is_omap24xx() || cpu_is_omap34xx()) { 3988 if (cpu_is_omap24xx()) {
3963 soc_ops.wait_target_ready = _omap2_wait_target_ready; 3989 soc_ops.wait_target_ready = _omap2xxx_wait_target_ready;
3990 soc_ops.assert_hardreset = _omap2_assert_hardreset;
3991 soc_ops.deassert_hardreset = _omap2_deassert_hardreset;
3992 soc_ops.is_hardreset_asserted = _omap2_is_hardreset_asserted;
3993 } else if (cpu_is_omap34xx()) {
3994 soc_ops.wait_target_ready = _omap3xxx_wait_target_ready;
3964 soc_ops.assert_hardreset = _omap2_assert_hardreset; 3995 soc_ops.assert_hardreset = _omap2_assert_hardreset;
3965 soc_ops.deassert_hardreset = _omap2_deassert_hardreset; 3996 soc_ops.deassert_hardreset = _omap2_deassert_hardreset;
3966 soc_ops.is_hardreset_asserted = _omap2_is_hardreset_asserted; 3997 soc_ops.is_hardreset_asserted = _omap2_is_hardreset_asserted;
diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c
index 9a2f5594a7dc..13e1f4303989 100644
--- a/arch/arm/mach-omap2/pm24xx.c
+++ b/arch/arm/mach-omap2/pm24xx.c
@@ -43,9 +43,9 @@
43#include "soc.h" 43#include "soc.h"
44#include "common.h" 44#include "common.h"
45#include "clock.h" 45#include "clock.h"
46#include "prm2xxx_3xxx.h" 46#include "prm2xxx.h"
47#include "prm-regbits-24xx.h" 47#include "prm-regbits-24xx.h"
48#include "cm2xxx_3xxx.h" 48#include "cm2xxx.h"
49#include "cm-regbits-24xx.h" 49#include "cm-regbits-24xx.h"
50#include "sdrc.h" 50#include "sdrc.h"
51#include "sram.h" 51#include "sram.h"
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 11f9669eb7ed..770320061422 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -38,17 +38,15 @@
38 38
39#include "clockdomain.h" 39#include "clockdomain.h"
40#include "powerdomain.h" 40#include "powerdomain.h"
41#include <plat/prcm.h>
42#include <plat-omap/dma-omap.h> 41#include <plat-omap/dma-omap.h>
43 42
44#include "soc.h" 43#include "soc.h"
45#include "common.h" 44#include "common.h"
46#include "cm2xxx_3xxx.h" 45#include "cm3xxx.h"
47#include "cm-regbits-34xx.h" 46#include "cm-regbits-34xx.h"
48#include "gpmc.h" 47#include "gpmc.h"
49#include "prm-regbits-34xx.h" 48#include "prm-regbits-34xx.h"
50 49#include "prm3xxx.h"
51#include "prm2xxx_3xxx.h"
52#include "pm.h" 50#include "pm.h"
53#include "sdrc.h" 51#include "sdrc.h"
54#include "sram.h" 52#include "sram.h"
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index 1678a3284233..dea62a9aad07 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -29,8 +29,6 @@
29 29
30#include <asm/cpu.h> 30#include <asm/cpu.h>
31 31
32#include <plat/prcm.h>
33
34#include "powerdomain.h" 32#include "powerdomain.h"
35#include "clockdomain.h" 33#include "clockdomain.h"
36 34
diff --git a/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c b/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c
deleted file mode 100644
index 3950ccfe5f4a..000000000000
--- a/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c
+++ /dev/null
@@ -1,242 +0,0 @@
1/*
2 * OMAP2 and OMAP3 powerdomain control
3 *
4 * Copyright (C) 2009-2011 Texas Instruments, Inc.
5 * Copyright (C) 2007-2009 Nokia Corporation
6 *
7 * Derived from mach-omap2/powerdomain.c written by Paul Walmsley
8 * Rajendra Nayak <rnayak@ti.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
15#include <linux/io.h>
16#include <linux/errno.h>
17#include <linux/delay.h>
18#include <linux/bug.h>
19
20#include <plat/prcm.h>
21
22#include "powerdomain.h"
23#include "prm.h"
24#include "prm-regbits-24xx.h"
25#include "prm-regbits-34xx.h"
26
27
28/* Common functions across OMAP2 and OMAP3 */
29static int omap2_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst)
30{
31 omap2_prm_rmw_mod_reg_bits(OMAP_POWERSTATE_MASK,
32 (pwrst << OMAP_POWERSTATE_SHIFT),
33 pwrdm->prcm_offs, OMAP2_PM_PWSTCTRL);
34 return 0;
35}
36
37static int omap2_pwrdm_read_next_pwrst(struct powerdomain *pwrdm)
38{
39 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
40 OMAP2_PM_PWSTCTRL,
41 OMAP_POWERSTATE_MASK);
42}
43
44static int omap2_pwrdm_read_pwrst(struct powerdomain *pwrdm)
45{
46 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
47 OMAP2_PM_PWSTST,
48 OMAP_POWERSTATEST_MASK);
49}
50
51static int omap2_pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank,
52 u8 pwrst)
53{
54 u32 m;
55
56 m = omap2_pwrdm_get_mem_bank_onstate_mask(bank);
57
58 omap2_prm_rmw_mod_reg_bits(m, (pwrst << __ffs(m)), pwrdm->prcm_offs,
59 OMAP2_PM_PWSTCTRL);
60
61 return 0;
62}
63
64static int omap2_pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank,
65 u8 pwrst)
66{
67 u32 m;
68
69 m = omap2_pwrdm_get_mem_bank_retst_mask(bank);
70
71 omap2_prm_rmw_mod_reg_bits(m, (pwrst << __ffs(m)), pwrdm->prcm_offs,
72 OMAP2_PM_PWSTCTRL);
73
74 return 0;
75}
76
77static int omap2_pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank)
78{
79 u32 m;
80
81 m = omap2_pwrdm_get_mem_bank_stst_mask(bank);
82
83 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs, OMAP2_PM_PWSTST,
84 m);
85}
86
87static int omap2_pwrdm_read_mem_retst(struct powerdomain *pwrdm, u8 bank)
88{
89 u32 m;
90
91 m = omap2_pwrdm_get_mem_bank_retst_mask(bank);
92
93 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
94 OMAP2_PM_PWSTCTRL, m);
95}
96
97static int omap2_pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst)
98{
99 u32 v;
100
101 v = pwrst << __ffs(OMAP3430_LOGICL1CACHERETSTATE_MASK);
102 omap2_prm_rmw_mod_reg_bits(OMAP3430_LOGICL1CACHERETSTATE_MASK, v,
103 pwrdm->prcm_offs, OMAP2_PM_PWSTCTRL);
104
105 return 0;
106}
107
108static int omap2_pwrdm_wait_transition(struct powerdomain *pwrdm)
109{
110 u32 c = 0;
111
112 /*
113 * REVISIT: pwrdm_wait_transition() may be better implemented
114 * via a callback and a periodic timer check -- how long do we expect
115 * powerdomain transitions to take?
116 */
117
118 /* XXX Is this udelay() value meaningful? */
119 while ((omap2_prm_read_mod_reg(pwrdm->prcm_offs, OMAP2_PM_PWSTST) &
120 OMAP_INTRANSITION_MASK) &&
121 (c++ < PWRDM_TRANSITION_BAILOUT))
122 udelay(1);
123
124 if (c > PWRDM_TRANSITION_BAILOUT) {
125 pr_err("powerdomain: %s: waited too long to complete transition\n",
126 pwrdm->name);
127 return -EAGAIN;
128 }
129
130 pr_debug("powerdomain: completed transition in %d loops\n", c);
131
132 return 0;
133}
134
135/* Applicable only for OMAP3. Not supported on OMAP2 */
136static int omap3_pwrdm_read_prev_pwrst(struct powerdomain *pwrdm)
137{
138 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
139 OMAP3430_PM_PREPWSTST,
140 OMAP3430_LASTPOWERSTATEENTERED_MASK);
141}
142
143static int omap3_pwrdm_read_logic_pwrst(struct powerdomain *pwrdm)
144{
145 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
146 OMAP2_PM_PWSTST,
147 OMAP3430_LOGICSTATEST_MASK);
148}
149
150static int omap3_pwrdm_read_logic_retst(struct powerdomain *pwrdm)
151{
152 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
153 OMAP2_PM_PWSTCTRL,
154 OMAP3430_LOGICSTATEST_MASK);
155}
156
157static int omap3_pwrdm_read_prev_logic_pwrst(struct powerdomain *pwrdm)
158{
159 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
160 OMAP3430_PM_PREPWSTST,
161 OMAP3430_LASTLOGICSTATEENTERED_MASK);
162}
163
164static int omap3_get_mem_bank_lastmemst_mask(u8 bank)
165{
166 switch (bank) {
167 case 0:
168 return OMAP3430_LASTMEM1STATEENTERED_MASK;
169 case 1:
170 return OMAP3430_LASTMEM2STATEENTERED_MASK;
171 case 2:
172 return OMAP3430_LASTSHAREDL2CACHEFLATSTATEENTERED_MASK;
173 case 3:
174 return OMAP3430_LASTL2FLATMEMSTATEENTERED_MASK;
175 default:
176 WARN_ON(1); /* should never happen */
177 return -EEXIST;
178 }
179 return 0;
180}
181
182static int omap3_pwrdm_read_prev_mem_pwrst(struct powerdomain *pwrdm, u8 bank)
183{
184 u32 m;
185
186 m = omap3_get_mem_bank_lastmemst_mask(bank);
187
188 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
189 OMAP3430_PM_PREPWSTST, m);
190}
191
192static int omap3_pwrdm_clear_all_prev_pwrst(struct powerdomain *pwrdm)
193{
194 omap2_prm_write_mod_reg(0, pwrdm->prcm_offs, OMAP3430_PM_PREPWSTST);
195 return 0;
196}
197
198static int omap3_pwrdm_enable_hdwr_sar(struct powerdomain *pwrdm)
199{
200 return omap2_prm_rmw_mod_reg_bits(0,
201 1 << OMAP3430ES2_SAVEANDRESTORE_SHIFT,
202 pwrdm->prcm_offs, OMAP2_PM_PWSTCTRL);
203}
204
205static int omap3_pwrdm_disable_hdwr_sar(struct powerdomain *pwrdm)
206{
207 return omap2_prm_rmw_mod_reg_bits(1 << OMAP3430ES2_SAVEANDRESTORE_SHIFT,
208 0, pwrdm->prcm_offs,
209 OMAP2_PM_PWSTCTRL);
210}
211
212struct pwrdm_ops omap2_pwrdm_operations = {
213 .pwrdm_set_next_pwrst = omap2_pwrdm_set_next_pwrst,
214 .pwrdm_read_next_pwrst = omap2_pwrdm_read_next_pwrst,
215 .pwrdm_read_pwrst = omap2_pwrdm_read_pwrst,
216 .pwrdm_set_logic_retst = omap2_pwrdm_set_logic_retst,
217 .pwrdm_set_mem_onst = omap2_pwrdm_set_mem_onst,
218 .pwrdm_set_mem_retst = omap2_pwrdm_set_mem_retst,
219 .pwrdm_read_mem_pwrst = omap2_pwrdm_read_mem_pwrst,
220 .pwrdm_read_mem_retst = omap2_pwrdm_read_mem_retst,
221 .pwrdm_wait_transition = omap2_pwrdm_wait_transition,
222};
223
224struct pwrdm_ops omap3_pwrdm_operations = {
225 .pwrdm_set_next_pwrst = omap2_pwrdm_set_next_pwrst,
226 .pwrdm_read_next_pwrst = omap2_pwrdm_read_next_pwrst,
227 .pwrdm_read_pwrst = omap2_pwrdm_read_pwrst,
228 .pwrdm_read_prev_pwrst = omap3_pwrdm_read_prev_pwrst,
229 .pwrdm_set_logic_retst = omap2_pwrdm_set_logic_retst,
230 .pwrdm_read_logic_pwrst = omap3_pwrdm_read_logic_pwrst,
231 .pwrdm_read_logic_retst = omap3_pwrdm_read_logic_retst,
232 .pwrdm_read_prev_logic_pwrst = omap3_pwrdm_read_prev_logic_pwrst,
233 .pwrdm_set_mem_onst = omap2_pwrdm_set_mem_onst,
234 .pwrdm_set_mem_retst = omap2_pwrdm_set_mem_retst,
235 .pwrdm_read_mem_pwrst = omap2_pwrdm_read_mem_pwrst,
236 .pwrdm_read_mem_retst = omap2_pwrdm_read_mem_retst,
237 .pwrdm_read_prev_mem_pwrst = omap3_pwrdm_read_prev_mem_pwrst,
238 .pwrdm_clear_all_prev_pwrst = omap3_pwrdm_clear_all_prev_pwrst,
239 .pwrdm_enable_hdwr_sar = omap3_pwrdm_enable_hdwr_sar,
240 .pwrdm_disable_hdwr_sar = omap3_pwrdm_disable_hdwr_sar,
241 .pwrdm_wait_transition = omap2_pwrdm_wait_transition,
242};
diff --git a/arch/arm/mach-omap2/powerdomain33xx.c b/arch/arm/mach-omap2/powerdomain33xx.c
deleted file mode 100644
index 67c5663899b6..000000000000
--- a/arch/arm/mach-omap2/powerdomain33xx.c
+++ /dev/null
@@ -1,229 +0,0 @@
1/*
2 * AM33XX Powerdomain control
3 *
4 * Copyright (C) 2011-2012 Texas Instruments Incorporated - http://www.ti.com/
5 *
6 * Derived from mach-omap2/powerdomain44xx.c written by Rajendra Nayak
7 * <rnayak@ti.com>
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation version 2.
12 *
13 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
14 * kind, whether express or implied; without even the implied warranty
15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
18
19#include <linux/io.h>
20#include <linux/errno.h>
21#include <linux/delay.h>
22
23#include <plat/prcm.h>
24
25#include "powerdomain.h"
26#include "prm33xx.h"
27#include "prm-regbits-33xx.h"
28
29
30static int am33xx_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst)
31{
32 am33xx_prm_rmw_reg_bits(OMAP_POWERSTATE_MASK,
33 (pwrst << OMAP_POWERSTATE_SHIFT),
34 pwrdm->prcm_offs, pwrdm->pwrstctrl_offs);
35 return 0;
36}
37
38static int am33xx_pwrdm_read_next_pwrst(struct powerdomain *pwrdm)
39{
40 u32 v;
41
42 v = am33xx_prm_read_reg(pwrdm->prcm_offs, pwrdm->pwrstctrl_offs);
43 v &= OMAP_POWERSTATE_MASK;
44 v >>= OMAP_POWERSTATE_SHIFT;
45
46 return v;
47}
48
49static int am33xx_pwrdm_read_pwrst(struct powerdomain *pwrdm)
50{
51 u32 v;
52
53 v = am33xx_prm_read_reg(pwrdm->prcm_offs, pwrdm->pwrstst_offs);
54 v &= OMAP_POWERSTATEST_MASK;
55 v >>= OMAP_POWERSTATEST_SHIFT;
56
57 return v;
58}
59
60static int am33xx_pwrdm_read_prev_pwrst(struct powerdomain *pwrdm)
61{
62 u32 v;
63
64 v = am33xx_prm_read_reg(pwrdm->prcm_offs, pwrdm->pwrstst_offs);
65 v &= AM33XX_LASTPOWERSTATEENTERED_MASK;
66 v >>= AM33XX_LASTPOWERSTATEENTERED_SHIFT;
67
68 return v;
69}
70
71static int am33xx_pwrdm_set_lowpwrstchange(struct powerdomain *pwrdm)
72{
73 am33xx_prm_rmw_reg_bits(AM33XX_LOWPOWERSTATECHANGE_MASK,
74 (1 << AM33XX_LOWPOWERSTATECHANGE_SHIFT),
75 pwrdm->prcm_offs, pwrdm->pwrstctrl_offs);
76 return 0;
77}
78
79static int am33xx_pwrdm_clear_all_prev_pwrst(struct powerdomain *pwrdm)
80{
81 am33xx_prm_rmw_reg_bits(AM33XX_LASTPOWERSTATEENTERED_MASK,
82 AM33XX_LASTPOWERSTATEENTERED_MASK,
83 pwrdm->prcm_offs, pwrdm->pwrstst_offs);
84 return 0;
85}
86
87static int am33xx_pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst)
88{
89 u32 m;
90
91 m = pwrdm->logicretstate_mask;
92 if (!m)
93 return -EINVAL;
94
95 am33xx_prm_rmw_reg_bits(m, (pwrst << __ffs(m)),
96 pwrdm->prcm_offs, pwrdm->pwrstctrl_offs);
97
98 return 0;
99}
100
101static int am33xx_pwrdm_read_logic_pwrst(struct powerdomain *pwrdm)
102{
103 u32 v;
104
105 v = am33xx_prm_read_reg(pwrdm->prcm_offs, pwrdm->pwrstst_offs);
106 v &= AM33XX_LOGICSTATEST_MASK;
107 v >>= AM33XX_LOGICSTATEST_SHIFT;
108
109 return v;
110}
111
112static int am33xx_pwrdm_read_logic_retst(struct powerdomain *pwrdm)
113{
114 u32 v, m;
115
116 m = pwrdm->logicretstate_mask;
117 if (!m)
118 return -EINVAL;
119
120 v = am33xx_prm_read_reg(pwrdm->prcm_offs, pwrdm->pwrstctrl_offs);
121 v &= m;
122 v >>= __ffs(m);
123
124 return v;
125}
126
127static int am33xx_pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank,
128 u8 pwrst)
129{
130 u32 m;
131
132 m = pwrdm->mem_on_mask[bank];
133 if (!m)
134 return -EINVAL;
135
136 am33xx_prm_rmw_reg_bits(m, (pwrst << __ffs(m)),
137 pwrdm->prcm_offs, pwrdm->pwrstctrl_offs);
138
139 return 0;
140}
141
142static int am33xx_pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank,
143 u8 pwrst)
144{
145 u32 m;
146
147 m = pwrdm->mem_ret_mask[bank];
148 if (!m)
149 return -EINVAL;
150
151 am33xx_prm_rmw_reg_bits(m, (pwrst << __ffs(m)),
152 pwrdm->prcm_offs, pwrdm->pwrstctrl_offs);
153
154 return 0;
155}
156
157static int am33xx_pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank)
158{
159 u32 m, v;
160
161 m = pwrdm->mem_pwrst_mask[bank];
162 if (!m)
163 return -EINVAL;
164
165 v = am33xx_prm_read_reg(pwrdm->prcm_offs, pwrdm->pwrstst_offs);
166 v &= m;
167 v >>= __ffs(m);
168
169 return v;
170}
171
172static int am33xx_pwrdm_read_mem_retst(struct powerdomain *pwrdm, u8 bank)
173{
174 u32 m, v;
175
176 m = pwrdm->mem_retst_mask[bank];
177 if (!m)
178 return -EINVAL;
179
180 v = am33xx_prm_read_reg(pwrdm->prcm_offs, pwrdm->pwrstctrl_offs);
181 v &= m;
182 v >>= __ffs(m);
183
184 return v;
185}
186
187static int am33xx_pwrdm_wait_transition(struct powerdomain *pwrdm)
188{
189 u32 c = 0;
190
191 /*
192 * REVISIT: pwrdm_wait_transition() may be better implemented
193 * via a callback and a periodic timer check -- how long do we expect
194 * powerdomain transitions to take?
195 */
196
197 /* XXX Is this udelay() value meaningful? */
198 while ((am33xx_prm_read_reg(pwrdm->prcm_offs, pwrdm->pwrstst_offs)
199 & OMAP_INTRANSITION_MASK) &&
200 (c++ < PWRDM_TRANSITION_BAILOUT))
201 udelay(1);
202
203 if (c > PWRDM_TRANSITION_BAILOUT) {
204 pr_err("powerdomain: %s: waited too long to complete transition\n",
205 pwrdm->name);
206 return -EAGAIN;
207 }
208
209 pr_debug("powerdomain: completed transition in %d loops\n", c);
210
211 return 0;
212}
213
214struct pwrdm_ops am33xx_pwrdm_operations = {
215 .pwrdm_set_next_pwrst = am33xx_pwrdm_set_next_pwrst,
216 .pwrdm_read_next_pwrst = am33xx_pwrdm_read_next_pwrst,
217 .pwrdm_read_pwrst = am33xx_pwrdm_read_pwrst,
218 .pwrdm_read_prev_pwrst = am33xx_pwrdm_read_prev_pwrst,
219 .pwrdm_set_logic_retst = am33xx_pwrdm_set_logic_retst,
220 .pwrdm_read_logic_pwrst = am33xx_pwrdm_read_logic_pwrst,
221 .pwrdm_read_logic_retst = am33xx_pwrdm_read_logic_retst,
222 .pwrdm_clear_all_prev_pwrst = am33xx_pwrdm_clear_all_prev_pwrst,
223 .pwrdm_set_lowpwrstchange = am33xx_pwrdm_set_lowpwrstchange,
224 .pwrdm_read_mem_pwrst = am33xx_pwrdm_read_mem_pwrst,
225 .pwrdm_read_mem_retst = am33xx_pwrdm_read_mem_retst,
226 .pwrdm_set_mem_onst = am33xx_pwrdm_set_mem_onst,
227 .pwrdm_set_mem_retst = am33xx_pwrdm_set_mem_retst,
228 .pwrdm_wait_transition = am33xx_pwrdm_wait_transition,
229};
diff --git a/arch/arm/mach-omap2/powerdomain44xx.c b/arch/arm/mach-omap2/powerdomain44xx.c
deleted file mode 100644
index aceb4f464c9b..000000000000
--- a/arch/arm/mach-omap2/powerdomain44xx.c
+++ /dev/null
@@ -1,285 +0,0 @@
1/*
2 * OMAP4 powerdomain control
3 *
4 * Copyright (C) 2009-2010, 2012 Texas Instruments, Inc.
5 * Copyright (C) 2007-2009 Nokia Corporation
6 *
7 * Derived from mach-omap2/powerdomain.c written by Paul Walmsley
8 * Rajendra Nayak <rnayak@ti.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
15#include <linux/io.h>
16#include <linux/errno.h>
17#include <linux/delay.h>
18#include <linux/bug.h>
19
20#include "powerdomain.h"
21#include <plat/prcm.h>
22#include "prm2xxx_3xxx.h"
23#include "prm44xx.h"
24#include "prminst44xx.h"
25#include "prm-regbits-44xx.h"
26
27static int omap4_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst)
28{
29 omap4_prminst_rmw_inst_reg_bits(OMAP_POWERSTATE_MASK,
30 (pwrst << OMAP_POWERSTATE_SHIFT),
31 pwrdm->prcm_partition,
32 pwrdm->prcm_offs, OMAP4_PM_PWSTCTRL);
33 return 0;
34}
35
36static int omap4_pwrdm_read_next_pwrst(struct powerdomain *pwrdm)
37{
38 u32 v;
39
40 v = omap4_prminst_read_inst_reg(pwrdm->prcm_partition, pwrdm->prcm_offs,
41 OMAP4_PM_PWSTCTRL);
42 v &= OMAP_POWERSTATE_MASK;
43 v >>= OMAP_POWERSTATE_SHIFT;
44
45 return v;
46}
47
48static int omap4_pwrdm_read_pwrst(struct powerdomain *pwrdm)
49{
50 u32 v;
51
52 v = omap4_prminst_read_inst_reg(pwrdm->prcm_partition, pwrdm->prcm_offs,
53 OMAP4_PM_PWSTST);
54 v &= OMAP_POWERSTATEST_MASK;
55 v >>= OMAP_POWERSTATEST_SHIFT;
56
57 return v;
58}
59
60static int omap4_pwrdm_read_prev_pwrst(struct powerdomain *pwrdm)
61{
62 u32 v;
63
64 v = omap4_prminst_read_inst_reg(pwrdm->prcm_partition, pwrdm->prcm_offs,
65 OMAP4_PM_PWSTST);
66 v &= OMAP4430_LASTPOWERSTATEENTERED_MASK;
67 v >>= OMAP4430_LASTPOWERSTATEENTERED_SHIFT;
68
69 return v;
70}
71
72static int omap4_pwrdm_set_lowpwrstchange(struct powerdomain *pwrdm)
73{
74 omap4_prminst_rmw_inst_reg_bits(OMAP4430_LOWPOWERSTATECHANGE_MASK,
75 (1 << OMAP4430_LOWPOWERSTATECHANGE_SHIFT),
76 pwrdm->prcm_partition,
77 pwrdm->prcm_offs, OMAP4_PM_PWSTCTRL);
78 return 0;
79}
80
81static int omap4_pwrdm_clear_all_prev_pwrst(struct powerdomain *pwrdm)
82{
83 omap4_prminst_rmw_inst_reg_bits(OMAP4430_LASTPOWERSTATEENTERED_MASK,
84 OMAP4430_LASTPOWERSTATEENTERED_MASK,
85 pwrdm->prcm_partition,
86 pwrdm->prcm_offs, OMAP4_PM_PWSTST);
87 return 0;
88}
89
90static int omap4_pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst)
91{
92 u32 v;
93
94 v = pwrst << __ffs(OMAP4430_LOGICRETSTATE_MASK);
95 omap4_prminst_rmw_inst_reg_bits(OMAP4430_LOGICRETSTATE_MASK, v,
96 pwrdm->prcm_partition, pwrdm->prcm_offs,
97 OMAP4_PM_PWSTCTRL);
98
99 return 0;
100}
101
102static int omap4_pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank,
103 u8 pwrst)
104{
105 u32 m;
106
107 m = omap2_pwrdm_get_mem_bank_onstate_mask(bank);
108
109 omap4_prminst_rmw_inst_reg_bits(m, (pwrst << __ffs(m)),
110 pwrdm->prcm_partition, pwrdm->prcm_offs,
111 OMAP4_PM_PWSTCTRL);
112
113 return 0;
114}
115
116static int omap4_pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank,
117 u8 pwrst)
118{
119 u32 m;
120
121 m = omap2_pwrdm_get_mem_bank_retst_mask(bank);
122
123 omap4_prminst_rmw_inst_reg_bits(m, (pwrst << __ffs(m)),
124 pwrdm->prcm_partition, pwrdm->prcm_offs,
125 OMAP4_PM_PWSTCTRL);
126
127 return 0;
128}
129
130static int omap4_pwrdm_read_logic_pwrst(struct powerdomain *pwrdm)
131{
132 u32 v;
133
134 v = omap4_prminst_read_inst_reg(pwrdm->prcm_partition, pwrdm->prcm_offs,
135 OMAP4_PM_PWSTST);
136 v &= OMAP4430_LOGICSTATEST_MASK;
137 v >>= OMAP4430_LOGICSTATEST_SHIFT;
138
139 return v;
140}
141
142static int omap4_pwrdm_read_logic_retst(struct powerdomain *pwrdm)
143{
144 u32 v;
145
146 v = omap4_prminst_read_inst_reg(pwrdm->prcm_partition, pwrdm->prcm_offs,
147 OMAP4_PM_PWSTCTRL);
148 v &= OMAP4430_LOGICRETSTATE_MASK;
149 v >>= OMAP4430_LOGICRETSTATE_SHIFT;
150
151 return v;
152}
153
154/**
155 * omap4_pwrdm_read_prev_logic_pwrst - read the previous logic powerstate
156 * @pwrdm: struct powerdomain * to read the state for
157 *
158 * Reads the previous logic powerstate for a powerdomain. This
159 * function must determine the previous logic powerstate by first
160 * checking the previous powerstate for the domain. If that was OFF,
161 * then logic has been lost. If previous state was RETENTION, the
162 * function reads the setting for the next retention logic state to
163 * see the actual value. In every other case, the logic is
164 * retained. Returns either PWRDM_POWER_OFF or PWRDM_POWER_RET
165 * depending whether the logic was retained or not.
166 */
167static int omap4_pwrdm_read_prev_logic_pwrst(struct powerdomain *pwrdm)
168{
169 int state;
170
171 state = omap4_pwrdm_read_prev_pwrst(pwrdm);
172
173 if (state == PWRDM_POWER_OFF)
174 return PWRDM_POWER_OFF;
175
176 if (state != PWRDM_POWER_RET)
177 return PWRDM_POWER_RET;
178
179 return omap4_pwrdm_read_logic_retst(pwrdm);
180}
181
182static int omap4_pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank)
183{
184 u32 m, v;
185
186 m = omap2_pwrdm_get_mem_bank_stst_mask(bank);
187
188 v = omap4_prminst_read_inst_reg(pwrdm->prcm_partition, pwrdm->prcm_offs,
189 OMAP4_PM_PWSTST);
190 v &= m;
191 v >>= __ffs(m);
192
193 return v;
194}
195
196static int omap4_pwrdm_read_mem_retst(struct powerdomain *pwrdm, u8 bank)
197{
198 u32 m, v;
199
200 m = omap2_pwrdm_get_mem_bank_retst_mask(bank);
201
202 v = omap4_prminst_read_inst_reg(pwrdm->prcm_partition, pwrdm->prcm_offs,
203 OMAP4_PM_PWSTCTRL);
204 v &= m;
205 v >>= __ffs(m);
206
207 return v;
208}
209
210/**
211 * omap4_pwrdm_read_prev_mem_pwrst - reads the previous memory powerstate
212 * @pwrdm: struct powerdomain * to read mem powerstate for
213 * @bank: memory bank index
214 *
215 * Reads the previous memory powerstate for a powerdomain. This
216 * function must determine the previous memory powerstate by first
217 * checking the previous powerstate for the domain. If that was OFF,
218 * then logic has been lost. If previous state was RETENTION, the
219 * function reads the setting for the next memory retention state to
220 * see the actual value. In every other case, the logic is
221 * retained. Returns either PWRDM_POWER_OFF or PWRDM_POWER_RET
222 * depending whether logic was retained or not.
223 */
224static int omap4_pwrdm_read_prev_mem_pwrst(struct powerdomain *pwrdm, u8 bank)
225{
226 int state;
227
228 state = omap4_pwrdm_read_prev_pwrst(pwrdm);
229
230 if (state == PWRDM_POWER_OFF)
231 return PWRDM_POWER_OFF;
232
233 if (state != PWRDM_POWER_RET)
234 return PWRDM_POWER_RET;
235
236 return omap4_pwrdm_read_mem_retst(pwrdm, bank);
237}
238
239static int omap4_pwrdm_wait_transition(struct powerdomain *pwrdm)
240{
241 u32 c = 0;
242
243 /*
244 * REVISIT: pwrdm_wait_transition() may be better implemented
245 * via a callback and a periodic timer check -- how long do we expect
246 * powerdomain transitions to take?
247 */
248
249 /* XXX Is this udelay() value meaningful? */
250 while ((omap4_prminst_read_inst_reg(pwrdm->prcm_partition,
251 pwrdm->prcm_offs,
252 OMAP4_PM_PWSTST) &
253 OMAP_INTRANSITION_MASK) &&
254 (c++ < PWRDM_TRANSITION_BAILOUT))
255 udelay(1);
256
257 if (c > PWRDM_TRANSITION_BAILOUT) {
258 pr_err("powerdomain: %s: waited too long to complete transition\n",
259 pwrdm->name);
260 return -EAGAIN;
261 }
262
263 pr_debug("powerdomain: completed transition in %d loops\n", c);
264
265 return 0;
266}
267
268struct pwrdm_ops omap4_pwrdm_operations = {
269 .pwrdm_set_next_pwrst = omap4_pwrdm_set_next_pwrst,
270 .pwrdm_read_next_pwrst = omap4_pwrdm_read_next_pwrst,
271 .pwrdm_read_pwrst = omap4_pwrdm_read_pwrst,
272 .pwrdm_read_prev_pwrst = omap4_pwrdm_read_prev_pwrst,
273 .pwrdm_set_lowpwrstchange = omap4_pwrdm_set_lowpwrstchange,
274 .pwrdm_clear_all_prev_pwrst = omap4_pwrdm_clear_all_prev_pwrst,
275 .pwrdm_set_logic_retst = omap4_pwrdm_set_logic_retst,
276 .pwrdm_read_logic_pwrst = omap4_pwrdm_read_logic_pwrst,
277 .pwrdm_read_prev_logic_pwrst = omap4_pwrdm_read_prev_logic_pwrst,
278 .pwrdm_read_logic_retst = omap4_pwrdm_read_logic_retst,
279 .pwrdm_read_mem_pwrst = omap4_pwrdm_read_mem_pwrst,
280 .pwrdm_read_mem_retst = omap4_pwrdm_read_mem_retst,
281 .pwrdm_read_prev_mem_pwrst = omap4_pwrdm_read_prev_mem_pwrst,
282 .pwrdm_set_mem_onst = omap4_pwrdm_set_mem_onst,
283 .pwrdm_set_mem_retst = omap4_pwrdm_set_mem_retst,
284 .pwrdm_wait_transition = omap4_pwrdm_wait_transition,
285};
diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h
index 72df97482cc0..c7d355fafd24 100644
--- a/arch/arm/mach-omap2/prcm-common.h
+++ b/arch/arm/mach-omap2/prcm-common.h
@@ -406,11 +406,6 @@
406#define OMAP3430_EN_CORE_MASK (1 << 0) 406#define OMAP3430_EN_CORE_MASK (1 << 0)
407 407
408 408
409/*
410 * MAX_MODULE_HARDRESET_WAIT: Maximum microseconds to wait for an OMAP
411 * submodule to exit hardreset
412 */
413#define MAX_MODULE_HARDRESET_WAIT 10000
414 409
415/* 410/*
416 * Maximum time(us) it takes to output the signal WUCLKOUT of the last 411 * Maximum time(us) it takes to output the signal WUCLKOUT of the last
@@ -419,24 +414,7 @@
419 * microseconds on OMAP4, so this timeout may be too high. 414 * microseconds on OMAP4, so this timeout may be too high.
420 */ 415 */
421#define MAX_IOPAD_LATCH_TIME 100 416#define MAX_IOPAD_LATCH_TIME 100
422
423# ifndef __ASSEMBLER__ 417# ifndef __ASSEMBLER__
424extern void __iomem *prm_base;
425extern void __iomem *cm_base;
426extern void __iomem *cm2_base;
427extern void __iomem *prcm_mpu_base;
428
429#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
430extern void omap_prm_base_init(void);
431extern void omap_cm_base_init(void);
432#else
433static inline void omap_prm_base_init(void)
434{
435}
436static inline void omap_cm_base_init(void)
437{
438}
439#endif
440 418
441/** 419/**
442 * struct omap_prcm_irq - describes a PRCM interrupt bit 420 * struct omap_prcm_irq - describes a PRCM interrupt bit
diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c
deleted file mode 100644
index cff270a178c5..000000000000
--- a/arch/arm/mach-omap2/prcm.c
+++ /dev/null
@@ -1,189 +0,0 @@
1/*
2 * linux/arch/arm/mach-omap2/prcm.c
3 *
4 * OMAP 24xx Power Reset and Clock Management (PRCM) functions
5 *
6 * Copyright (C) 2005 Nokia Corporation
7 *
8 * Written by Tony Lindgren <tony.lindgren@nokia.com>
9 *
10 * Copyright (C) 2007 Texas Instruments, Inc.
11 * Rajendra Nayak <rnayak@ti.com>
12 *
13 * Some pieces of code Copyright (C) 2005 Texas Instruments, Inc.
14 * Upgraded with OMAP4 support by Abhijit Pagare <abhijitpagare@ti.com>
15 *
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License version 2 as
18 * published by the Free Software Foundation.
19 */
20
21#include <linux/kernel.h>
22#include <linux/init.h>
23#include <linux/clk.h>
24#include <linux/io.h>
25#include <linux/delay.h>
26#include <linux/export.h>
27
28#include "common.h"
29#include <plat/prcm.h>
30
31#include "soc.h"
32#include "clock.h"
33#include "clock2xxx.h"
34#include "cm2xxx_3xxx.h"
35#include "prm2xxx_3xxx.h"
36#include "prm44xx.h"
37#include "prminst44xx.h"
38#include "cminst44xx.h"
39#include "prm-regbits-24xx.h"
40#include "prm-regbits-44xx.h"
41#include "control.h"
42
43void __iomem *prm_base;
44void __iomem *cm_base;
45void __iomem *cm2_base;
46void __iomem *prcm_mpu_base;
47
48#define MAX_MODULE_ENABLE_WAIT 100000
49
50u32 omap_prcm_get_reset_sources(void)
51{
52 /* XXX This presumably needs modification for 34XX */
53 if (cpu_is_omap24xx() || cpu_is_omap34xx())
54 return omap2_prm_read_mod_reg(WKUP_MOD, OMAP2_RM_RSTST) & 0x7f;
55 if (cpu_is_omap44xx())
56 return omap2_prm_read_mod_reg(WKUP_MOD, OMAP4_RM_RSTST) & 0x7f;
57
58 return 0;
59}
60EXPORT_SYMBOL(omap_prcm_get_reset_sources);
61
62/* Resets clock rates and reboots the system. Only called from system.h */
63void omap_prcm_restart(char mode, const char *cmd)
64{
65 s16 prcm_offs = 0;
66
67 if (cpu_is_omap24xx()) {
68 omap2xxx_clk_prepare_for_reboot();
69
70 prcm_offs = WKUP_MOD;
71 } else if (cpu_is_omap34xx()) {
72 prcm_offs = OMAP3430_GR_MOD;
73 omap3_ctrl_write_boot_mode((cmd ? (u8)*cmd : 0));
74 } else if (cpu_is_omap44xx()) {
75 omap4_prminst_global_warm_sw_reset(); /* never returns */
76 } else {
77 WARN_ON(1);
78 }
79
80 /*
81 * As per Errata i520, in some cases, user will not be able to
82 * access DDR memory after warm-reset.
83 * This situation occurs while the warm-reset happens during a read
84 * access to DDR memory. In that particular condition, DDR memory
85 * does not respond to a corrupted read command due to the warm
86 * reset occurrence but SDRC is waiting for read completion.
87 * SDRC is not sensitive to the warm reset, but the interconnect is
88 * reset on the fly, thus causing a misalignment between SDRC logic,
89 * interconnect logic and DDR memory state.
90 * WORKAROUND:
91 * Steps to perform before a Warm reset is trigged:
92 * 1. enable self-refresh on idle request
93 * 2. put SDRC in idle
94 * 3. wait until SDRC goes to idle
95 * 4. generate SW reset (Global SW reset)
96 *
97 * Steps to be performed after warm reset occurs (in bootloader):
98 * if HW warm reset is the source, apply below steps before any
99 * accesses to SDRAM:
100 * 1. Reset SMS and SDRC and wait till reset is complete
101 * 2. Re-initialize SMS, SDRC and memory
102 *
103 * NOTE: Above work around is required only if arch reset is implemented
104 * using Global SW reset(GLOBAL_SW_RST). DPLL3 reset does not need
105 * the WA since it resets SDRC as well as part of cold reset.
106 */
107
108 /* XXX should be moved to some OMAP2/3 specific code */
109 omap2_prm_set_mod_reg_bits(OMAP_RST_DPLL3_MASK, prcm_offs,
110 OMAP2_RM_RSTCTRL);
111 omap2_prm_read_mod_reg(prcm_offs, OMAP2_RM_RSTCTRL); /* OCP barrier */
112}
113
114/**
115 * omap2_cm_wait_idlest - wait for IDLEST bit to indicate module readiness
116 * @reg: physical address of module IDLEST register
117 * @mask: value to mask against to determine if the module is active
118 * @idlest: idle state indicator (0 or 1) for the clock
119 * @name: name of the clock (for printk)
120 *
121 * Returns 1 if the module indicated readiness in time, or 0 if it
122 * failed to enable in roughly MAX_MODULE_ENABLE_WAIT microseconds.
123 *
124 * XXX This function is deprecated. It should be removed once the
125 * hwmod conversion is complete.
126 */
127int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, u8 idlest,
128 const char *name)
129{
130 int i = 0;
131 int ena = 0;
132
133 if (idlest)
134 ena = 0;
135 else
136 ena = mask;
137
138 /* Wait for lock */
139 omap_test_timeout(((__raw_readl(reg) & mask) == ena),
140 MAX_MODULE_ENABLE_WAIT, i);
141
142 if (i < MAX_MODULE_ENABLE_WAIT)
143 pr_debug("cm: Module associated with clock %s ready after %d loops\n",
144 name, i);
145 else
146 pr_err("cm: Module associated with clock %s didn't enable in %d tries\n",
147 name, MAX_MODULE_ENABLE_WAIT);
148
149 return (i < MAX_MODULE_ENABLE_WAIT) ? 1 : 0;
150};
151
152void __init omap2_set_globals_prcm(struct omap_globals *omap2_globals)
153{
154 if (omap2_globals->prm)
155 prm_base = omap2_globals->prm;
156 if (omap2_globals->cm)
157 cm_base = omap2_globals->cm;
158 if (omap2_globals->cm2)
159 cm2_base = omap2_globals->cm2;
160 if (omap2_globals->prcm_mpu)
161 prcm_mpu_base = omap2_globals->prcm_mpu;
162
163 if (cpu_is_omap44xx() || soc_is_omap54xx()) {
164 omap_prm_base_init();
165 omap_cm_base_init();
166 }
167}
168
169/*
170 * Stubbed functions so that common files continue to build when
171 * custom builds are used
172 * XXX These are temporary and should be removed at the earliest possible
173 * opportunity
174 */
175int __weak omap4_cminst_wait_module_idle(u8 part, u16 inst, s16 cdoffs,
176 u16 clkctrl_offs)
177{
178 return 0;
179}
180
181void __weak omap4_cminst_module_enable(u8 mode, u8 part, u16 inst,
182 s16 cdoffs, u16 clkctrl_offs)
183{
184}
185
186void __weak omap4_cminst_module_disable(u8 part, u16 inst, s16 cdoffs,
187 u16 clkctrl_offs)
188{
189}
diff --git a/arch/arm/mach-omap2/prcm_mpu44xx.c b/arch/arm/mach-omap2/prcm_mpu44xx.c
index 928dbd4f20ed..c30e44a7fab0 100644
--- a/arch/arm/mach-omap2/prcm_mpu44xx.c
+++ b/arch/arm/mach-omap2/prcm_mpu44xx.c
@@ -20,6 +20,12 @@
20#include "prcm_mpu44xx.h" 20#include "prcm_mpu44xx.h"
21#include "cm-regbits-44xx.h" 21#include "cm-regbits-44xx.h"
22 22
23/*
24 * prcm_mpu_base: the virtual address of the start of the PRCM_MPU IP
25 * block registers
26 */
27void __iomem *prcm_mpu_base;
28
23/* PRCM_MPU low-level functions */ 29/* PRCM_MPU low-level functions */
24 30
25u32 omap4_prcm_mpu_read_inst_reg(s16 inst, u16 reg) 31u32 omap4_prcm_mpu_read_inst_reg(s16 inst, u16 reg)
@@ -43,3 +49,14 @@ u32 omap4_prcm_mpu_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, s16 reg)
43 49
44 return v; 50 return v;
45} 51}
52
53/**
54 * omap2_set_globals_prcm_mpu - set the MPU PRCM base address (for early use)
55 * @prcm_mpu: PRCM_MPU base virtual address
56 *
57 * XXX Will be replaced when the PRM/CM drivers are completed.
58 */
59void __init omap2_set_globals_prcm_mpu(void __iomem *prcm_mpu)
60{
61 prcm_mpu_base = prcm_mpu;
62}
diff --git a/arch/arm/mach-omap2/prcm_mpu44xx.h b/arch/arm/mach-omap2/prcm_mpu44xx.h
index 8a6e250f04b5..884af7bb4afd 100644
--- a/arch/arm/mach-omap2/prcm_mpu44xx.h
+++ b/arch/arm/mach-omap2/prcm_mpu44xx.h
@@ -1,7 +1,7 @@
1/* 1/*
2 * OMAP44xx PRCM MPU instance offset macros 2 * OMAP44xx PRCM MPU instance offset macros
3 * 3 *
4 * Copyright (C) 2010 Texas Instruments, Inc. 4 * Copyright (C) 2010, 2012 Texas Instruments, Inc.
5 * Copyright (C) 2010 Nokia Corporation 5 * Copyright (C) 2010 Nokia Corporation
6 * 6 *
7 * Paul Walmsley (paul@pwsan.com) 7 * Paul Walmsley (paul@pwsan.com)
@@ -25,6 +25,12 @@
25#ifndef __ARCH_ARM_MACH_OMAP2_PRCM_MPU44XX_H 25#ifndef __ARCH_ARM_MACH_OMAP2_PRCM_MPU44XX_H
26#define __ARCH_ARM_MACH_OMAP2_PRCM_MPU44XX_H 26#define __ARCH_ARM_MACH_OMAP2_PRCM_MPU44XX_H
27 27
28#include "common.h"
29
30# ifndef __ASSEMBLER__
31extern void __iomem *prcm_mpu_base;
32# endif
33
28#define OMAP4430_PRCM_MPU_BASE 0x48243000 34#define OMAP4430_PRCM_MPU_BASE 0x48243000
29 35
30#define OMAP44XX_PRCM_MPU_REGADDR(inst, reg) \ 36#define OMAP44XX_PRCM_MPU_REGADDR(inst, reg) \
@@ -98,6 +104,7 @@ extern u32 omap4_prcm_mpu_read_inst_reg(s16 inst, u16 idx);
98extern void omap4_prcm_mpu_write_inst_reg(u32 val, s16 inst, u16 idx); 104extern void omap4_prcm_mpu_write_inst_reg(u32 val, s16 inst, u16 idx);
99extern u32 omap4_prcm_mpu_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, 105extern u32 omap4_prcm_mpu_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst,
100 s16 idx); 106 s16 idx);
107extern void __init omap2_set_globals_prcm_mpu(void __iomem *prcm_mpu);
101# endif 108# endif
102 109
103#endif 110#endif
diff --git a/arch/arm/mach-omap2/prm-regbits-24xx.h b/arch/arm/mach-omap2/prm-regbits-24xx.h
index 6ac966103f34..638da6dd41c3 100644
--- a/arch/arm/mach-omap2/prm-regbits-24xx.h
+++ b/arch/arm/mach-omap2/prm-regbits-24xx.h
@@ -14,7 +14,7 @@
14 * published by the Free Software Foundation. 14 * published by the Free Software Foundation.
15 */ 15 */
16 16
17#include "prm2xxx_3xxx.h" 17#include "prm2xxx.h"
18 18
19/* Bits shared between registers */ 19/* Bits shared between registers */
20 20
@@ -209,9 +209,13 @@
209 209
210/* RM_RSTST_WKUP specific bits */ 210/* RM_RSTST_WKUP specific bits */
211/* 2430 calls EXTWMPU_RST "EXTWARM_RST" and GLOBALWMPU_RST "GLOBALWARM_RST" */ 211/* 2430 calls EXTWMPU_RST "EXTWARM_RST" and GLOBALWMPU_RST "GLOBALWARM_RST" */
212#define OMAP24XX_EXTWMPU_RST_SHIFT 6
212#define OMAP24XX_EXTWMPU_RST_MASK (1 << 6) 213#define OMAP24XX_EXTWMPU_RST_MASK (1 << 6)
214#define OMAP24XX_SECU_WD_RST_SHIFT 5
213#define OMAP24XX_SECU_WD_RST_MASK (1 << 5) 215#define OMAP24XX_SECU_WD_RST_MASK (1 << 5)
216#define OMAP24XX_MPU_WD_RST_SHIFT 4
214#define OMAP24XX_MPU_WD_RST_MASK (1 << 4) 217#define OMAP24XX_MPU_WD_RST_MASK (1 << 4)
218#define OMAP24XX_SECU_VIOL_RST_SHIFT 3
215#define OMAP24XX_SECU_VIOL_RST_MASK (1 << 3) 219#define OMAP24XX_SECU_VIOL_RST_MASK (1 << 3)
216 220
217/* PM_WKEN_WKUP specific bits */ 221/* PM_WKEN_WKUP specific bits */
diff --git a/arch/arm/mach-omap2/prm-regbits-34xx.h b/arch/arm/mach-omap2/prm-regbits-34xx.h
index 64c087af6a8b..838b594d4e13 100644
--- a/arch/arm/mach-omap2/prm-regbits-34xx.h
+++ b/arch/arm/mach-omap2/prm-regbits-34xx.h
@@ -14,7 +14,7 @@
14#define __ARCH_ARM_MACH_OMAP2_PRM_REGBITS_34XX_H 14#define __ARCH_ARM_MACH_OMAP2_PRM_REGBITS_34XX_H
15 15
16 16
17#include "prm2xxx_3xxx.h" 17#include "prm3xxx.h"
18 18
19/* Shared register bits */ 19/* Shared register bits */
20 20
@@ -509,15 +509,25 @@
509#define OMAP3430_RSTTIME1_MASK (0xff << 0) 509#define OMAP3430_RSTTIME1_MASK (0xff << 0)
510 510
511/* PRM_RSTST */ 511/* PRM_RSTST */
512#define OMAP3430_ICECRUSHER_RST_SHIFT 10
512#define OMAP3430_ICECRUSHER_RST_MASK (1 << 10) 513#define OMAP3430_ICECRUSHER_RST_MASK (1 << 10)
514#define OMAP3430_ICEPICK_RST_SHIFT 9
513#define OMAP3430_ICEPICK_RST_MASK (1 << 9) 515#define OMAP3430_ICEPICK_RST_MASK (1 << 9)
516#define OMAP3430_VDD2_VOLTAGE_MANAGER_RST_SHIFT 8
514#define OMAP3430_VDD2_VOLTAGE_MANAGER_RST_MASK (1 << 8) 517#define OMAP3430_VDD2_VOLTAGE_MANAGER_RST_MASK (1 << 8)
518#define OMAP3430_VDD1_VOLTAGE_MANAGER_RST_SHIFT 7
515#define OMAP3430_VDD1_VOLTAGE_MANAGER_RST_MASK (1 << 7) 519#define OMAP3430_VDD1_VOLTAGE_MANAGER_RST_MASK (1 << 7)
520#define OMAP3430_EXTERNAL_WARM_RST_SHIFT 6
516#define OMAP3430_EXTERNAL_WARM_RST_MASK (1 << 6) 521#define OMAP3430_EXTERNAL_WARM_RST_MASK (1 << 6)
522#define OMAP3430_SECURE_WD_RST_SHIFT 5
517#define OMAP3430_SECURE_WD_RST_MASK (1 << 5) 523#define OMAP3430_SECURE_WD_RST_MASK (1 << 5)
524#define OMAP3430_MPU_WD_RST_SHIFT 4
518#define OMAP3430_MPU_WD_RST_MASK (1 << 4) 525#define OMAP3430_MPU_WD_RST_MASK (1 << 4)
526#define OMAP3430_SECURITY_VIOL_RST_SHIFT 3
519#define OMAP3430_SECURITY_VIOL_RST_MASK (1 << 3) 527#define OMAP3430_SECURITY_VIOL_RST_MASK (1 << 3)
528#define OMAP3430_GLOBAL_SW_RST_SHIFT 1
520#define OMAP3430_GLOBAL_SW_RST_MASK (1 << 1) 529#define OMAP3430_GLOBAL_SW_RST_MASK (1 << 1)
530#define OMAP3430_GLOBAL_COLD_RST_SHIFT 0
521#define OMAP3430_GLOBAL_COLD_RST_MASK (1 << 0) 531#define OMAP3430_GLOBAL_COLD_RST_MASK (1 << 0)
522 532
523/* PRM_VOLTCTRL */ 533/* PRM_VOLTCTRL */
diff --git a/arch/arm/mach-omap2/prm.h b/arch/arm/mach-omap2/prm.h
index 39d562169d18..a1a266ce90da 100644
--- a/arch/arm/mach-omap2/prm.h
+++ b/arch/arm/mach-omap2/prm.h
@@ -1,7 +1,7 @@
1/* 1/*
2 * OMAP2/3/4 Power/Reset Management (PRM) bitfield definitions 2 * OMAP2/3/4 Power/Reset Management (PRM) bitfield definitions
3 * 3 *
4 * Copyright (C) 2007-2009 Texas Instruments, Inc. 4 * Copyright (C) 2007-2009, 2012 Texas Instruments, Inc.
5 * Copyright (C) 2010 Nokia Corporation 5 * Copyright (C) 2010 Nokia Corporation
6 * 6 *
7 * Paul Walmsley 7 * Paul Walmsley
@@ -15,6 +15,28 @@
15 15
16#include "prcm-common.h" 16#include "prcm-common.h"
17 17
18# ifndef __ASSEMBLER__
19extern void __iomem *prm_base;
20extern void omap2_set_globals_prm(void __iomem *prm);
21# endif
22
23
24/*
25 * MAX_MODULE_SOFTRESET_WAIT: Maximum microseconds to wait for OMAP
26 * module to softreset
27 */
28#define MAX_MODULE_SOFTRESET_WAIT 10000
29
30/*
31 * MAX_MODULE_HARDRESET_WAIT: Maximum microseconds to wait for an OMAP
32 * submodule to exit hardreset
33 */
34#define MAX_MODULE_HARDRESET_WAIT 10000
35
36/*
37 * Register bitfields
38 */
39
18/* 40/*
19 * 24XX: PM_PWSTST_CORE, PM_PWSTST_GFX, PM_PWSTST_MPU, PM_PWSTST_DSP 41 * 24XX: PM_PWSTST_CORE, PM_PWSTST_GFX, PM_PWSTST_MPU, PM_PWSTST_DSP
20 * 42 *
@@ -52,5 +74,58 @@
52#define OMAP_POWERSTATE_SHIFT 0 74#define OMAP_POWERSTATE_SHIFT 0
53#define OMAP_POWERSTATE_MASK (0x3 << 0) 75#define OMAP_POWERSTATE_MASK (0x3 << 0)
54 76
77/*
78 * Standardized OMAP reset source bits
79 *
80 * To the extent these happen to match the hardware register bit
81 * shifts, it's purely coincidental. Used by omap-wdt.c.
82 * OMAP_UNKNOWN_RST_SRC_ID_SHIFT is a special value, used whenever
83 * there are any bits remaining in the global PRM_RSTST register that
84 * haven't been identified, or when the PRM code for the current SoC
85 * doesn't know how to interpret the register.
86 */
87#define OMAP_GLOBAL_COLD_RST_SRC_ID_SHIFT 0
88#define OMAP_GLOBAL_WARM_RST_SRC_ID_SHIFT 1
89#define OMAP_SECU_VIOL_RST_SRC_ID_SHIFT 2
90#define OMAP_MPU_WD_RST_SRC_ID_SHIFT 3
91#define OMAP_SECU_WD_RST_SRC_ID_SHIFT 4
92#define OMAP_EXTWARM_RST_SRC_ID_SHIFT 5
93#define OMAP_VDD_MPU_VM_RST_SRC_ID_SHIFT 6
94#define OMAP_VDD_IVA_VM_RST_SRC_ID_SHIFT 7
95#define OMAP_VDD_CORE_VM_RST_SRC_ID_SHIFT 8
96#define OMAP_ICEPICK_RST_SRC_ID_SHIFT 9
97#define OMAP_ICECRUSHER_RST_SRC_ID_SHIFT 10
98#define OMAP_C2C_RST_SRC_ID_SHIFT 11
99#define OMAP_UNKNOWN_RST_SRC_ID_SHIFT 12
100
101#ifndef __ASSEMBLER__
102
103/**
104 * struct prm_reset_src_map - map register bitshifts to standard bitshifts
105 * @reg_shift: bitshift in the PRM reset source register
106 * @std_shift: bitshift equivalent in the standard reset source list
107 *
108 * The fields are signed because -1 is used as a terminator.
109 */
110struct prm_reset_src_map {
111 s8 reg_shift;
112 s8 std_shift;
113};
114
115/**
116 * struct prm_ll_data - fn ptrs to per-SoC PRM function implementations
117 * @read_reset_sources: ptr to the Soc PRM-specific get_reset_source impl
118 */
119struct prm_ll_data {
120 u32 (*read_reset_sources)(void);
121};
122
123extern int prm_register(struct prm_ll_data *pld);
124extern int prm_unregister(struct prm_ll_data *pld);
125
126extern u32 prm_read_reset_sources(void);
127
128#endif
129
55 130
56#endif 131#endif
diff --git a/arch/arm/mach-omap2/prm2xxx.c b/arch/arm/mach-omap2/prm2xxx.c
new file mode 100644
index 000000000000..bf24fc47603b
--- /dev/null
+++ b/arch/arm/mach-omap2/prm2xxx.c
@@ -0,0 +1,139 @@
1/*
2 * OMAP2xxx PRM module functions
3 *
4 * Copyright (C) 2010-2012 Texas Instruments, Inc.
5 * Copyright (C) 2010 Nokia Corporation
6 * Benoît Cousson
7 * Paul Walmsley
8 * Rajendra Nayak <rnayak@ti.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
15#include <linux/kernel.h>
16#include <linux/errno.h>
17#include <linux/err.h>
18#include <linux/io.h>
19#include <linux/irq.h>
20
21#include "common.h"
22#include <plat/cpu.h>
23
24#include "vp.h"
25#include "powerdomain.h"
26#include "clockdomain.h"
27#include "prm2xxx.h"
28#include "cm2xxx_3xxx.h"
29#include "prm-regbits-24xx.h"
30
31/*
32 * omap2xxx_prm_reset_src_map - map from bits in the PRM_RSTST_WKUP
33 * hardware register (which are specific to the OMAP2xxx SoCs) to
34 * reset source ID bit shifts (which is an OMAP SoC-independent
35 * enumeration)
36 */
37static struct prm_reset_src_map omap2xxx_prm_reset_src_map[] = {
38 { OMAP_GLOBALCOLD_RST_SHIFT, OMAP_GLOBAL_COLD_RST_SRC_ID_SHIFT },
39 { OMAP_GLOBALWARM_RST_SHIFT, OMAP_GLOBAL_WARM_RST_SRC_ID_SHIFT },
40 { OMAP24XX_SECU_VIOL_RST_SHIFT, OMAP_SECU_VIOL_RST_SRC_ID_SHIFT },
41 { OMAP24XX_MPU_WD_RST_SHIFT, OMAP_MPU_WD_RST_SRC_ID_SHIFT },
42 { OMAP24XX_SECU_WD_RST_SHIFT, OMAP_SECU_WD_RST_SRC_ID_SHIFT },
43 { OMAP24XX_EXTWMPU_RST_SHIFT, OMAP_EXTWARM_RST_SRC_ID_SHIFT },
44 { -1, -1 },
45};
46
47/**
48 * omap2xxx_prm_read_reset_sources - return the last SoC reset source
49 *
50 * Return a u32 representing the last reset sources of the SoC. The
51 * returned reset source bits are standardized across OMAP SoCs.
52 */
53static u32 omap2xxx_prm_read_reset_sources(void)
54{
55 struct prm_reset_src_map *p;
56 u32 r = 0;
57 u32 v;
58
59 v = omap2_prm_read_mod_reg(WKUP_MOD, OMAP2_RM_RSTST);
60
61 p = omap2xxx_prm_reset_src_map;
62 while (p->reg_shift >= 0 && p->std_shift >= 0) {
63 if (v & (1 << p->reg_shift))
64 r |= 1 << p->std_shift;
65 p++;
66 }
67
68 return r;
69}
70
71/**
72 * omap2xxx_prm_dpll_reset - use DPLL reset to reboot the OMAP SoC
73 *
74 * Set the DPLL reset bit, which should reboot the SoC. This is the
75 * recommended way to restart the SoC. No return value.
76 */
77void omap2xxx_prm_dpll_reset(void)
78{
79 omap2_prm_set_mod_reg_bits(OMAP_RST_DPLL3_MASK, WKUP_MOD,
80 OMAP2_RM_RSTCTRL);
81 /* OCP barrier */
82 omap2_prm_read_mod_reg(WKUP_MOD, OMAP2_RM_RSTCTRL);
83}
84
85int omap2xxx_clkdm_sleep(struct clockdomain *clkdm)
86{
87 omap2_prm_set_mod_reg_bits(OMAP24XX_FORCESTATE_MASK,
88 clkdm->pwrdm.ptr->prcm_offs,
89 OMAP2_PM_PWSTCTRL);
90 return 0;
91}
92
93int omap2xxx_clkdm_wakeup(struct clockdomain *clkdm)
94{
95 omap2_prm_clear_mod_reg_bits(OMAP24XX_FORCESTATE_MASK,
96 clkdm->pwrdm.ptr->prcm_offs,
97 OMAP2_PM_PWSTCTRL);
98 return 0;
99}
100
101struct pwrdm_ops omap2_pwrdm_operations = {
102 .pwrdm_set_next_pwrst = omap2_pwrdm_set_next_pwrst,
103 .pwrdm_read_next_pwrst = omap2_pwrdm_read_next_pwrst,
104 .pwrdm_read_pwrst = omap2_pwrdm_read_pwrst,
105 .pwrdm_set_logic_retst = omap2_pwrdm_set_logic_retst,
106 .pwrdm_set_mem_onst = omap2_pwrdm_set_mem_onst,
107 .pwrdm_set_mem_retst = omap2_pwrdm_set_mem_retst,
108 .pwrdm_read_mem_pwrst = omap2_pwrdm_read_mem_pwrst,
109 .pwrdm_read_mem_retst = omap2_pwrdm_read_mem_retst,
110 .pwrdm_wait_transition = omap2_pwrdm_wait_transition,
111};
112
113/*
114 *
115 */
116
117static struct prm_ll_data omap2xxx_prm_ll_data = {
118 .read_reset_sources = &omap2xxx_prm_read_reset_sources,
119};
120
121static int __init omap2xxx_prm_init(void)
122{
123 if (!cpu_is_omap24xx())
124 return 0;
125
126 return prm_register(&omap2xxx_prm_ll_data);
127}
128subsys_initcall(omap2xxx_prm_init);
129
130static void __exit omap2xxx_prm_exit(void)
131{
132 if (!cpu_is_omap24xx())
133 return;
134
135 /* Should never happen */
136 WARN(prm_unregister(&omap2xxx_prm_ll_data),
137 "%s: prm_ll_data function pointer mismatch\n", __func__);
138}
139__exitcall(omap2xxx_prm_exit);
diff --git a/arch/arm/mach-omap2/prm2xxx.h b/arch/arm/mach-omap2/prm2xxx.h
new file mode 100644
index 000000000000..fe8a14f190ab
--- /dev/null
+++ b/arch/arm/mach-omap2/prm2xxx.h
@@ -0,0 +1,134 @@
1/*
2 * OMAP2xxx Power/Reset Management (PRM) register definitions
3 *
4 * Copyright (C) 2007-2009, 2011-2012 Texas Instruments, Inc.
5 * Copyright (C) 2008-2010 Nokia Corporation
6 * Paul Walmsley
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 * The PRM hardware modules on the OMAP2/3 are quite similar to each
13 * other. The PRM on OMAP4 has a new register layout, and is handled
14 * in a separate file.
15 */
16#ifndef __ARCH_ARM_MACH_OMAP2_PRM2XXX_H
17#define __ARCH_ARM_MACH_OMAP2_PRM2XXX_H
18
19#include "prcm-common.h"
20#include "prm.h"
21#include "prm2xxx_3xxx.h"
22
23#define OMAP2420_PRM_REGADDR(module, reg) \
24 OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE + (module) + (reg))
25#define OMAP2430_PRM_REGADDR(module, reg) \
26 OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE + (module) + (reg))
27
28/*
29 * OMAP2-specific global PRM registers
30 * Use __raw_{read,write}l() with these registers.
31 *
32 * With a few exceptions, these are the register names beginning with
33 * PRCM_* on 24xx. (The exceptions are the IRQSTATUS and IRQENABLE
34 * bits.)
35 *
36 */
37
38#define OMAP2_PRCM_REVISION_OFFSET 0x0000
39#define OMAP2420_PRCM_REVISION OMAP2420_PRM_REGADDR(OCP_MOD, 0x0000)
40#define OMAP2_PRCM_SYSCONFIG_OFFSET 0x0010
41#define OMAP2420_PRCM_SYSCONFIG OMAP2420_PRM_REGADDR(OCP_MOD, 0x0010)
42
43#define OMAP2_PRCM_IRQSTATUS_MPU_OFFSET 0x0018
44#define OMAP2420_PRCM_IRQSTATUS_MPU OMAP2420_PRM_REGADDR(OCP_MOD, 0x0018)
45#define OMAP2_PRCM_IRQENABLE_MPU_OFFSET 0x001c
46#define OMAP2420_PRCM_IRQENABLE_MPU OMAP2420_PRM_REGADDR(OCP_MOD, 0x001c)
47
48#define OMAP2_PRCM_VOLTCTRL_OFFSET 0x0050
49#define OMAP2420_PRCM_VOLTCTRL OMAP2420_PRM_REGADDR(OCP_MOD, 0x0050)
50#define OMAP2_PRCM_VOLTST_OFFSET 0x0054
51#define OMAP2420_PRCM_VOLTST OMAP2420_PRM_REGADDR(OCP_MOD, 0x0054)
52#define OMAP2_PRCM_CLKSRC_CTRL_OFFSET 0x0060
53#define OMAP2420_PRCM_CLKSRC_CTRL OMAP2420_PRM_REGADDR(OCP_MOD, 0x0060)
54#define OMAP2_PRCM_CLKOUT_CTRL_OFFSET 0x0070
55#define OMAP2420_PRCM_CLKOUT_CTRL OMAP2420_PRM_REGADDR(OCP_MOD, 0x0070)
56#define OMAP2_PRCM_CLKEMUL_CTRL_OFFSET 0x0078
57#define OMAP2420_PRCM_CLKEMUL_CTRL OMAP2420_PRM_REGADDR(OCP_MOD, 0x0078)
58#define OMAP2_PRCM_CLKCFG_CTRL_OFFSET 0x0080
59#define OMAP2420_PRCM_CLKCFG_CTRL OMAP2420_PRM_REGADDR(OCP_MOD, 0x0080)
60#define OMAP2_PRCM_CLKCFG_STATUS_OFFSET 0x0084
61#define OMAP2420_PRCM_CLKCFG_STATUS OMAP2420_PRM_REGADDR(OCP_MOD, 0x0084)
62#define OMAP2_PRCM_VOLTSETUP_OFFSET 0x0090
63#define OMAP2420_PRCM_VOLTSETUP OMAP2420_PRM_REGADDR(OCP_MOD, 0x0090)
64#define OMAP2_PRCM_CLKSSETUP_OFFSET 0x0094
65#define OMAP2420_PRCM_CLKSSETUP OMAP2420_PRM_REGADDR(OCP_MOD, 0x0094)
66#define OMAP2_PRCM_POLCTRL_OFFSET 0x0098
67#define OMAP2420_PRCM_POLCTRL OMAP2420_PRM_REGADDR(OCP_MOD, 0x0098)
68
69#define OMAP2430_PRCM_REVISION OMAP2430_PRM_REGADDR(OCP_MOD, 0x0000)
70#define OMAP2430_PRCM_SYSCONFIG OMAP2430_PRM_REGADDR(OCP_MOD, 0x0010)
71
72#define OMAP2430_PRCM_IRQSTATUS_MPU OMAP2430_PRM_REGADDR(OCP_MOD, 0x0018)
73#define OMAP2430_PRCM_IRQENABLE_MPU OMAP2430_PRM_REGADDR(OCP_MOD, 0x001c)
74
75#define OMAP2430_PRCM_VOLTCTRL OMAP2430_PRM_REGADDR(OCP_MOD, 0x0050)
76#define OMAP2430_PRCM_VOLTST OMAP2430_PRM_REGADDR(OCP_MOD, 0x0054)
77#define OMAP2430_PRCM_CLKSRC_CTRL OMAP2430_PRM_REGADDR(OCP_MOD, 0x0060)
78#define OMAP2430_PRCM_CLKOUT_CTRL OMAP2430_PRM_REGADDR(OCP_MOD, 0x0070)
79#define OMAP2430_PRCM_CLKEMUL_CTRL OMAP2430_PRM_REGADDR(OCP_MOD, 0x0078)
80#define OMAP2430_PRCM_CLKCFG_CTRL OMAP2430_PRM_REGADDR(OCP_MOD, 0x0080)
81#define OMAP2430_PRCM_CLKCFG_STATUS OMAP2430_PRM_REGADDR(OCP_MOD, 0x0084)
82#define OMAP2430_PRCM_VOLTSETUP OMAP2430_PRM_REGADDR(OCP_MOD, 0x0090)
83#define OMAP2430_PRCM_CLKSSETUP OMAP2430_PRM_REGADDR(OCP_MOD, 0x0094)
84#define OMAP2430_PRCM_POLCTRL OMAP2430_PRM_REGADDR(OCP_MOD, 0x0098)
85
86/*
87 * Module specific PRM register offsets from PRM_BASE + domain offset
88 *
89 * Use prm_{read,write}_mod_reg() with these registers.
90 *
91 * With a few exceptions, these are the register names beginning with
92 * {PM,RM}_* on both OMAP2/3 SoC families.. (The exceptions are the
93 * IRQSTATUS and IRQENABLE bits.)
94 */
95
96/* Register offsets appearing on both OMAP2 and OMAP3 */
97
98#define OMAP2_RM_RSTCTRL 0x0050
99#define OMAP2_RM_RSTTIME 0x0054
100#define OMAP2_RM_RSTST 0x0058
101#define OMAP2_PM_PWSTCTRL 0x00e0
102#define OMAP2_PM_PWSTST 0x00e4
103
104#define PM_WKEN 0x00a0
105#define PM_WKEN1 PM_WKEN
106#define PM_WKST 0x00b0
107#define PM_WKST1 PM_WKST
108#define PM_WKDEP 0x00c8
109#define PM_EVGENCTRL 0x00d4
110#define PM_EVGENONTIM 0x00d8
111#define PM_EVGENOFFTIM 0x00dc
112
113/* OMAP2xxx specific register offsets */
114#define OMAP24XX_PM_WKEN2 0x00a4
115#define OMAP24XX_PM_WKST2 0x00b4
116
117#define OMAP24XX_PRCM_IRQSTATUS_DSP 0x00f0 /* IVA mod */
118#define OMAP24XX_PRCM_IRQENABLE_DSP 0x00f4 /* IVA mod */
119#define OMAP24XX_PRCM_IRQSTATUS_IVA 0x00f8
120#define OMAP24XX_PRCM_IRQENABLE_IVA 0x00fc
121
122#ifndef __ASSEMBLER__
123/* Function prototypes */
124extern int omap2xxx_clkdm_sleep(struct clockdomain *clkdm);
125extern int omap2xxx_clkdm_wakeup(struct clockdomain *clkdm);
126
127extern void omap2xxx_prm_dpll_reset(void);
128
129extern int __init prm2xxx_init(void);
130extern int __exit prm2xxx_exit(void);
131
132#endif
133
134#endif
diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.c b/arch/arm/mach-omap2/prm2xxx_3xxx.c
index 9529984d8d2b..30517f5af707 100644
--- a/arch/arm/mach-omap2/prm2xxx_3xxx.c
+++ b/arch/arm/mach-omap2/prm2xxx_3xxx.c
@@ -15,82 +15,12 @@
15#include <linux/errno.h> 15#include <linux/errno.h>
16#include <linux/err.h> 16#include <linux/err.h>
17#include <linux/io.h> 17#include <linux/io.h>
18#include <linux/irq.h>
19 18
20#include <plat/prcm.h>
21
22#include "soc.h"
23#include "common.h" 19#include "common.h"
24#include "vp.h" 20#include "powerdomain.h"
25
26#include "prm2xxx_3xxx.h" 21#include "prm2xxx_3xxx.h"
27#include "cm2xxx_3xxx.h"
28#include "prm-regbits-24xx.h" 22#include "prm-regbits-24xx.h"
29#include "prm-regbits-34xx.h" 23#include "clockdomain.h"
30
31static const struct omap_prcm_irq omap3_prcm_irqs[] = {
32 OMAP_PRCM_IRQ("wkup", 0, 0),
33 OMAP_PRCM_IRQ("io", 9, 1),
34};
35
36static struct omap_prcm_irq_setup omap3_prcm_irq_setup = {
37 .ack = OMAP3_PRM_IRQSTATUS_MPU_OFFSET,
38 .mask = OMAP3_PRM_IRQENABLE_MPU_OFFSET,
39 .nr_regs = 1,
40 .irqs = omap3_prcm_irqs,
41 .nr_irqs = ARRAY_SIZE(omap3_prcm_irqs),
42 .irq = 11 + OMAP_INTC_START,
43 .read_pending_irqs = &omap3xxx_prm_read_pending_irqs,
44 .ocp_barrier = &omap3xxx_prm_ocp_barrier,
45 .save_and_clear_irqen = &omap3xxx_prm_save_and_clear_irqen,
46 .restore_irqen = &omap3xxx_prm_restore_irqen,
47};
48
49u32 omap2_prm_read_mod_reg(s16 module, u16 idx)
50{
51 return __raw_readl(prm_base + module + idx);
52}
53
54void omap2_prm_write_mod_reg(u32 val, s16 module, u16 idx)
55{
56 __raw_writel(val, prm_base + module + idx);
57}
58
59/* Read-modify-write a register in a PRM module. Caller must lock */
60u32 omap2_prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
61{
62 u32 v;
63
64 v = omap2_prm_read_mod_reg(module, idx);
65 v &= ~mask;
66 v |= bits;
67 omap2_prm_write_mod_reg(v, module, idx);
68
69 return v;
70}
71
72/* Read a PRM register, AND it, and shift the result down to bit 0 */
73u32 omap2_prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask)
74{
75 u32 v;
76
77 v = omap2_prm_read_mod_reg(domain, idx);
78 v &= mask;
79 v >>= __ffs(mask);
80
81 return v;
82}
83
84u32 omap2_prm_set_mod_reg_bits(u32 bits, s16 module, s16 idx)
85{
86 return omap2_prm_rmw_mod_reg_bits(bits, bits, module, idx);
87}
88
89u32 omap2_prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
90{
91 return omap2_prm_rmw_mod_reg_bits(bits, 0x0, module, idx);
92}
93
94 24
95/** 25/**
96 * omap2_prm_is_hardreset_asserted - read the HW reset line state of 26 * omap2_prm_is_hardreset_asserted - read the HW reset line state of
@@ -104,9 +34,6 @@ u32 omap2_prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
104 */ 34 */
105int omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift) 35int omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift)
106{ 36{
107 if (!(cpu_is_omap24xx() || cpu_is_omap34xx()))
108 return -EINVAL;
109
110 return omap2_prm_read_mod_bits_shift(prm_mod, OMAP2_RM_RSTCTRL, 37 return omap2_prm_read_mod_bits_shift(prm_mod, OMAP2_RM_RSTCTRL,
111 (1 << shift)); 38 (1 << shift));
112} 39}
@@ -127,9 +54,6 @@ int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift)
127{ 54{
128 u32 mask; 55 u32 mask;
129 56
130 if (!(cpu_is_omap24xx() || cpu_is_omap34xx()))
131 return -EINVAL;
132
133 mask = 1 << shift; 57 mask = 1 << shift;
134 omap2_prm_rmw_mod_reg_bits(mask, mask, prm_mod, OMAP2_RM_RSTCTRL); 58 omap2_prm_rmw_mod_reg_bits(mask, mask, prm_mod, OMAP2_RM_RSTCTRL);
135 59
@@ -156,9 +80,6 @@ int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, u8 st_shift)
156 u32 rst, st; 80 u32 rst, st;
157 int c; 81 int c;
158 82
159 if (!(cpu_is_omap24xx() || cpu_is_omap34xx()))
160 return -EINVAL;
161
162 rst = 1 << rst_shift; 83 rst = 1 << rst_shift;
163 st = 1 << st_shift; 84 st = 1 << st_shift;
164 85
@@ -178,188 +99,155 @@ int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, u8 st_shift)
178 return (c == MAX_MODULE_HARDRESET_WAIT) ? -EBUSY : 0; 99 return (c == MAX_MODULE_HARDRESET_WAIT) ? -EBUSY : 0;
179} 100}
180 101
181/* PRM VP */
182
183/*
184 * struct omap3_vp - OMAP3 VP register access description.
185 * @tranxdone_status: VP_TRANXDONE_ST bitmask in PRM_IRQSTATUS_MPU reg
186 */
187struct omap3_vp {
188 u32 tranxdone_status;
189};
190
191static struct omap3_vp omap3_vp[] = {
192 [OMAP3_VP_VDD_MPU_ID] = {
193 .tranxdone_status = OMAP3430_VP1_TRANXDONE_ST_MASK,
194 },
195 [OMAP3_VP_VDD_CORE_ID] = {
196 .tranxdone_status = OMAP3430_VP2_TRANXDONE_ST_MASK,
197 },
198};
199
200#define MAX_VP_ID ARRAY_SIZE(omap3_vp);
201
202u32 omap3_prm_vp_check_txdone(u8 vp_id)
203{
204 struct omap3_vp *vp = &omap3_vp[vp_id];
205 u32 irqstatus;
206 102
207 irqstatus = omap2_prm_read_mod_reg(OCP_MOD, 103/* Powerdomain low-level functions */
208 OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
209 return irqstatus & vp->tranxdone_status;
210}
211 104
212void omap3_prm_vp_clear_txdone(u8 vp_id) 105/* Common functions across OMAP2 and OMAP3 */
106int omap2_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst)
213{ 107{
214 struct omap3_vp *vp = &omap3_vp[vp_id]; 108 omap2_prm_rmw_mod_reg_bits(OMAP_POWERSTATE_MASK,
215 109 (pwrst << OMAP_POWERSTATE_SHIFT),
216 omap2_prm_write_mod_reg(vp->tranxdone_status, 110 pwrdm->prcm_offs, OMAP2_PM_PWSTCTRL);
217 OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET); 111 return 0;
218} 112}
219 113
220u32 omap3_prm_vcvp_read(u8 offset) 114int omap2_pwrdm_read_next_pwrst(struct powerdomain *pwrdm)
221{ 115{
222 return omap2_prm_read_mod_reg(OMAP3430_GR_MOD, offset); 116 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
117 OMAP2_PM_PWSTCTRL,
118 OMAP_POWERSTATE_MASK);
223} 119}
224 120
225void omap3_prm_vcvp_write(u32 val, u8 offset) 121int omap2_pwrdm_read_pwrst(struct powerdomain *pwrdm)
226{ 122{
227 omap2_prm_write_mod_reg(val, OMAP3430_GR_MOD, offset); 123 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
124 OMAP2_PM_PWSTST,
125 OMAP_POWERSTATEST_MASK);
228} 126}
229 127
230u32 omap3_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset) 128int omap2_pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank,
129 u8 pwrst)
231{ 130{
232 return omap2_prm_rmw_mod_reg_bits(mask, bits, OMAP3430_GR_MOD, offset); 131 u32 m;
132
133 m = omap2_pwrdm_get_mem_bank_onstate_mask(bank);
134
135 omap2_prm_rmw_mod_reg_bits(m, (pwrst << __ffs(m)), pwrdm->prcm_offs,
136 OMAP2_PM_PWSTCTRL);
137
138 return 0;
233} 139}
234 140
235/** 141int omap2_pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank,
236 * omap3xxx_prm_read_pending_irqs - read pending PRM MPU IRQs into @events 142 u8 pwrst)
237 * @events: ptr to a u32, preallocated by caller
238 *
239 * Read PRM_IRQSTATUS_MPU bits, AND'ed with the currently-enabled PRM
240 * MPU IRQs, and store the result into the u32 pointed to by @events.
241 * No return value.
242 */
243void omap3xxx_prm_read_pending_irqs(unsigned long *events)
244{ 143{
245 u32 mask, st; 144 u32 m;
145
146 m = omap2_pwrdm_get_mem_bank_retst_mask(bank);
246 147
247 /* XXX Can the mask read be avoided (e.g., can it come from RAM?) */ 148 omap2_prm_rmw_mod_reg_bits(m, (pwrst << __ffs(m)), pwrdm->prcm_offs,
248 mask = omap2_prm_read_mod_reg(OCP_MOD, OMAP3_PRM_IRQENABLE_MPU_OFFSET); 149 OMAP2_PM_PWSTCTRL);
249 st = omap2_prm_read_mod_reg(OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
250 150
251 events[0] = mask & st; 151 return 0;
252} 152}
253 153
254/** 154int omap2_pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank)
255 * omap3xxx_prm_ocp_barrier - force buffered MPU writes to the PRM to complete
256 *
257 * Force any buffered writes to the PRM IP block to complete. Needed
258 * by the PRM IRQ handler, which reads and writes directly to the IP
259 * block, to avoid race conditions after acknowledging or clearing IRQ
260 * bits. No return value.
261 */
262void omap3xxx_prm_ocp_barrier(void)
263{ 155{
264 omap2_prm_read_mod_reg(OCP_MOD, OMAP3_PRM_REVISION_OFFSET); 156 u32 m;
157
158 m = omap2_pwrdm_get_mem_bank_stst_mask(bank);
159
160 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs, OMAP2_PM_PWSTST,
161 m);
265} 162}
266 163
267/** 164int omap2_pwrdm_read_mem_retst(struct powerdomain *pwrdm, u8 bank)
268 * omap3xxx_prm_save_and_clear_irqen - save/clear PRM_IRQENABLE_MPU reg
269 * @saved_mask: ptr to a u32 array to save IRQENABLE bits
270 *
271 * Save the PRM_IRQENABLE_MPU register to @saved_mask. @saved_mask
272 * must be allocated by the caller. Intended to be used in the PRM
273 * interrupt handler suspend callback. The OCP barrier is needed to
274 * ensure the write to disable PRM interrupts reaches the PRM before
275 * returning; otherwise, spurious interrupts might occur. No return
276 * value.
277 */
278void omap3xxx_prm_save_and_clear_irqen(u32 *saved_mask)
279{ 165{
280 saved_mask[0] = omap2_prm_read_mod_reg(OCP_MOD, 166 u32 m;
281 OMAP3_PRM_IRQENABLE_MPU_OFFSET); 167
282 omap2_prm_write_mod_reg(0, OCP_MOD, OMAP3_PRM_IRQENABLE_MPU_OFFSET); 168 m = omap2_pwrdm_get_mem_bank_retst_mask(bank);
283 169
284 /* OCP barrier */ 170 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
285 omap2_prm_read_mod_reg(OCP_MOD, OMAP3_PRM_REVISION_OFFSET); 171 OMAP2_PM_PWSTCTRL, m);
286} 172}
287 173
288/** 174int omap2_pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst)
289 * omap3xxx_prm_restore_irqen - set PRM_IRQENABLE_MPU register from args
290 * @saved_mask: ptr to a u32 array of IRQENABLE bits saved previously
291 *
292 * Restore the PRM_IRQENABLE_MPU register from @saved_mask. Intended
293 * to be used in the PRM interrupt handler resume callback to restore
294 * values saved by omap3xxx_prm_save_and_clear_irqen(). No OCP
295 * barrier should be needed here; any pending PRM interrupts will fire
296 * once the writes reach the PRM. No return value.
297 */
298void omap3xxx_prm_restore_irqen(u32 *saved_mask)
299{ 175{
300 omap2_prm_write_mod_reg(saved_mask[0], OCP_MOD, 176 u32 v;
301 OMAP3_PRM_IRQENABLE_MPU_OFFSET); 177
178 v = pwrst << __ffs(OMAP_LOGICRETSTATE_MASK);
179 omap2_prm_rmw_mod_reg_bits(OMAP_LOGICRETSTATE_MASK, v, pwrdm->prcm_offs,
180 OMAP2_PM_PWSTCTRL);
181
182 return 0;
302} 183}
303 184
304/** 185int omap2_pwrdm_wait_transition(struct powerdomain *pwrdm)
305 * omap3xxx_prm_reconfigure_io_chain - clear latches and reconfigure I/O chain
306 *
307 * Clear any previously-latched I/O wakeup events and ensure that the
308 * I/O wakeup gates are aligned with the current mux settings. Works
309 * by asserting WUCLKIN, waiting for WUCLKOUT to be asserted, and then
310 * deasserting WUCLKIN and clearing the ST_IO_CHAIN WKST bit. No
311 * return value.
312 */
313void omap3xxx_prm_reconfigure_io_chain(void)
314{ 186{
315 int i = 0; 187 u32 c = 0;
316 188
317 omap2_prm_set_mod_reg_bits(OMAP3430_EN_IO_CHAIN_MASK, WKUP_MOD, 189 /*
318 PM_WKEN); 190 * REVISIT: pwrdm_wait_transition() may be better implemented
191 * via a callback and a periodic timer check -- how long do we expect
192 * powerdomain transitions to take?
193 */
319 194
320 omap_test_timeout(omap2_prm_read_mod_reg(WKUP_MOD, PM_WKST) & 195 /* XXX Is this udelay() value meaningful? */
321 OMAP3430_ST_IO_CHAIN_MASK, 196 while ((omap2_prm_read_mod_reg(pwrdm->prcm_offs, OMAP2_PM_PWSTST) &
322 MAX_IOPAD_LATCH_TIME, i); 197 OMAP_INTRANSITION_MASK) &&
323 if (i == MAX_IOPAD_LATCH_TIME) 198 (c++ < PWRDM_TRANSITION_BAILOUT))
324 pr_warn("PRM: I/O chain clock line assertion timed out\n"); 199 udelay(1);
325 200
326 omap2_prm_clear_mod_reg_bits(OMAP3430_EN_IO_CHAIN_MASK, WKUP_MOD, 201 if (c > PWRDM_TRANSITION_BAILOUT) {
327 PM_WKEN); 202 pr_err("powerdomain: %s: waited too long to complete transition\n",
203 pwrdm->name);
204 return -EAGAIN;
205 }
328 206
329 omap2_prm_set_mod_reg_bits(OMAP3430_ST_IO_CHAIN_MASK, WKUP_MOD, 207 pr_debug("powerdomain: completed transition in %d loops\n", c);
330 PM_WKST);
331 208
332 omap2_prm_read_mod_reg(WKUP_MOD, PM_WKST); 209 return 0;
333} 210}
334 211
335/** 212int omap2_clkdm_add_wkdep(struct clockdomain *clkdm1,
336 * omap3xxx_prm_enable_io_wakeup - enable wakeup events from I/O wakeup latches 213 struct clockdomain *clkdm2)
337 * 214{
338 * Activates the I/O wakeup event latches and allows events logged by 215 omap2_prm_set_mod_reg_bits((1 << clkdm2->dep_bit),
339 * those latches to signal a wakeup event to the PRCM. For I/O 216 clkdm1->pwrdm.ptr->prcm_offs, PM_WKDEP);
340 * wakeups to occur, WAKEUPENABLE bits must be set in the pad mux 217 return 0;
341 * registers, and omap3xxx_prm_reconfigure_io_chain() must be called. 218}
342 * No return value. 219
343 */ 220int omap2_clkdm_del_wkdep(struct clockdomain *clkdm1,
344static void __init omap3xxx_prm_enable_io_wakeup(void) 221 struct clockdomain *clkdm2)
222{
223 omap2_prm_clear_mod_reg_bits((1 << clkdm2->dep_bit),
224 clkdm1->pwrdm.ptr->prcm_offs, PM_WKDEP);
225 return 0;
226}
227
228int omap2_clkdm_read_wkdep(struct clockdomain *clkdm1,
229 struct clockdomain *clkdm2)
345{ 230{
346 if (omap3_has_io_wakeup()) 231 return omap2_prm_read_mod_bits_shift(clkdm1->pwrdm.ptr->prcm_offs,
347 omap2_prm_set_mod_reg_bits(OMAP3430_EN_IO_MASK, WKUP_MOD, 232 PM_WKDEP, (1 << clkdm2->dep_bit));
348 PM_WKEN);
349} 233}
350 234
351static int __init omap3xxx_prcm_init(void) 235int omap2_clkdm_clear_all_wkdeps(struct clockdomain *clkdm)
352{ 236{
353 int ret = 0; 237 struct clkdm_dep *cd;
354 238 u32 mask = 0;
355 if (cpu_is_omap34xx()) { 239
356 omap3xxx_prm_enable_io_wakeup(); 240 for (cd = clkdm->wkdep_srcs; cd && cd->clkdm_name; cd++) {
357 ret = omap_prcm_register_chain_handler(&omap3_prcm_irq_setup); 241 if (!cd->clkdm)
358 if (!ret) 242 continue; /* only happens if data is erroneous */
359 irq_set_status_flags(omap_prcm_event_to_irq("io"), 243
360 IRQ_NOAUTOEN); 244 /* PRM accesses are slow, so minimize them */
245 mask |= 1 << cd->clkdm->dep_bit;
246 atomic_set(&cd->wkdep_usecount, 0);
361 } 247 }
362 248
363 return ret; 249 omap2_prm_clear_mod_reg_bits(mask, clkdm->pwrdm.ptr->prcm_offs,
250 PM_WKDEP);
251 return 0;
364} 252}
365subsys_initcall(omap3xxx_prcm_init); 253
diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.h b/arch/arm/mach-omap2/prm2xxx_3xxx.h
index c19d249b4816..78532d6fecd7 100644
--- a/arch/arm/mach-omap2/prm2xxx_3xxx.h
+++ b/arch/arm/mach-omap2/prm2xxx_3xxx.h
@@ -1,7 +1,7 @@
1/* 1/*
2 * OMAP2/3 Power/Reset Management (PRM) register definitions 2 * OMAP2xxx/3xxx-common Power/Reset Management (PRM) register definitions
3 * 3 *
4 * Copyright (C) 2007-2009, 2011 Texas Instruments, Inc. 4 * Copyright (C) 2007-2009, 2011-2012 Texas Instruments, Inc.
5 * Copyright (C) 2008-2010 Nokia Corporation 5 * Copyright (C) 2008-2010 Nokia Corporation
6 * Paul Walmsley 6 * Paul Walmsley
7 * 7 *
@@ -19,160 +19,6 @@
19#include "prcm-common.h" 19#include "prcm-common.h"
20#include "prm.h" 20#include "prm.h"
21 21
22#define OMAP2420_PRM_REGADDR(module, reg) \
23 OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE + (module) + (reg))
24#define OMAP2430_PRM_REGADDR(module, reg) \
25 OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE + (module) + (reg))
26#define OMAP34XX_PRM_REGADDR(module, reg) \
27 OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE + (module) + (reg))
28
29
30/*
31 * OMAP2-specific global PRM registers
32 * Use __raw_{read,write}l() with these registers.
33 *
34 * With a few exceptions, these are the register names beginning with
35 * PRCM_* on 24xx. (The exceptions are the IRQSTATUS and IRQENABLE
36 * bits.)
37 *
38 */
39
40#define OMAP2_PRCM_REVISION_OFFSET 0x0000
41#define OMAP2420_PRCM_REVISION OMAP2420_PRM_REGADDR(OCP_MOD, 0x0000)
42#define OMAP2_PRCM_SYSCONFIG_OFFSET 0x0010
43#define OMAP2420_PRCM_SYSCONFIG OMAP2420_PRM_REGADDR(OCP_MOD, 0x0010)
44
45#define OMAP2_PRCM_IRQSTATUS_MPU_OFFSET 0x0018
46#define OMAP2420_PRCM_IRQSTATUS_MPU OMAP2420_PRM_REGADDR(OCP_MOD, 0x0018)
47#define OMAP2_PRCM_IRQENABLE_MPU_OFFSET 0x001c
48#define OMAP2420_PRCM_IRQENABLE_MPU OMAP2420_PRM_REGADDR(OCP_MOD, 0x001c)
49
50#define OMAP2_PRCM_VOLTCTRL_OFFSET 0x0050
51#define OMAP2420_PRCM_VOLTCTRL OMAP2420_PRM_REGADDR(OCP_MOD, 0x0050)
52#define OMAP2_PRCM_VOLTST_OFFSET 0x0054
53#define OMAP2420_PRCM_VOLTST OMAP2420_PRM_REGADDR(OCP_MOD, 0x0054)
54#define OMAP2_PRCM_CLKSRC_CTRL_OFFSET 0x0060
55#define OMAP2420_PRCM_CLKSRC_CTRL OMAP2420_PRM_REGADDR(OCP_MOD, 0x0060)
56#define OMAP2_PRCM_CLKOUT_CTRL_OFFSET 0x0070
57#define OMAP2420_PRCM_CLKOUT_CTRL OMAP2420_PRM_REGADDR(OCP_MOD, 0x0070)
58#define OMAP2_PRCM_CLKEMUL_CTRL_OFFSET 0x0078
59#define OMAP2420_PRCM_CLKEMUL_CTRL OMAP2420_PRM_REGADDR(OCP_MOD, 0x0078)
60#define OMAP2_PRCM_CLKCFG_CTRL_OFFSET 0x0080
61#define OMAP2420_PRCM_CLKCFG_CTRL OMAP2420_PRM_REGADDR(OCP_MOD, 0x0080)
62#define OMAP2_PRCM_CLKCFG_STATUS_OFFSET 0x0084
63#define OMAP2420_PRCM_CLKCFG_STATUS OMAP2420_PRM_REGADDR(OCP_MOD, 0x0084)
64#define OMAP2_PRCM_VOLTSETUP_OFFSET 0x0090
65#define OMAP2420_PRCM_VOLTSETUP OMAP2420_PRM_REGADDR(OCP_MOD, 0x0090)
66#define OMAP2_PRCM_CLKSSETUP_OFFSET 0x0094
67#define OMAP2420_PRCM_CLKSSETUP OMAP2420_PRM_REGADDR(OCP_MOD, 0x0094)
68#define OMAP2_PRCM_POLCTRL_OFFSET 0x0098
69#define OMAP2420_PRCM_POLCTRL OMAP2420_PRM_REGADDR(OCP_MOD, 0x0098)
70
71#define OMAP2430_PRCM_REVISION OMAP2430_PRM_REGADDR(OCP_MOD, 0x0000)
72#define OMAP2430_PRCM_SYSCONFIG OMAP2430_PRM_REGADDR(OCP_MOD, 0x0010)
73
74#define OMAP2430_PRCM_IRQSTATUS_MPU OMAP2430_PRM_REGADDR(OCP_MOD, 0x0018)
75#define OMAP2430_PRCM_IRQENABLE_MPU OMAP2430_PRM_REGADDR(OCP_MOD, 0x001c)
76
77#define OMAP2430_PRCM_VOLTCTRL OMAP2430_PRM_REGADDR(OCP_MOD, 0x0050)
78#define OMAP2430_PRCM_VOLTST OMAP2430_PRM_REGADDR(OCP_MOD, 0x0054)
79#define OMAP2430_PRCM_CLKSRC_CTRL OMAP2430_PRM_REGADDR(OCP_MOD, 0x0060)
80#define OMAP2430_PRCM_CLKOUT_CTRL OMAP2430_PRM_REGADDR(OCP_MOD, 0x0070)
81#define OMAP2430_PRCM_CLKEMUL_CTRL OMAP2430_PRM_REGADDR(OCP_MOD, 0x0078)
82#define OMAP2430_PRCM_CLKCFG_CTRL OMAP2430_PRM_REGADDR(OCP_MOD, 0x0080)
83#define OMAP2430_PRCM_CLKCFG_STATUS OMAP2430_PRM_REGADDR(OCP_MOD, 0x0084)
84#define OMAP2430_PRCM_VOLTSETUP OMAP2430_PRM_REGADDR(OCP_MOD, 0x0090)
85#define OMAP2430_PRCM_CLKSSETUP OMAP2430_PRM_REGADDR(OCP_MOD, 0x0094)
86#define OMAP2430_PRCM_POLCTRL OMAP2430_PRM_REGADDR(OCP_MOD, 0x0098)
87
88/*
89 * OMAP3-specific global PRM registers
90 * Use __raw_{read,write}l() with these registers.
91 *
92 * With a few exceptions, these are the register names beginning with
93 * PRM_* on 34xx. (The exceptions are the IRQSTATUS and IRQENABLE
94 * bits.)
95 */
96
97#define OMAP3_PRM_REVISION_OFFSET 0x0004
98#define OMAP3430_PRM_REVISION OMAP34XX_PRM_REGADDR(OCP_MOD, 0x0004)
99#define OMAP3_PRM_SYSCONFIG_OFFSET 0x0014
100#define OMAP3430_PRM_SYSCONFIG OMAP34XX_PRM_REGADDR(OCP_MOD, 0x0014)
101
102#define OMAP3_PRM_IRQSTATUS_MPU_OFFSET 0x0018
103#define OMAP3430_PRM_IRQSTATUS_MPU OMAP34XX_PRM_REGADDR(OCP_MOD, 0x0018)
104#define OMAP3_PRM_IRQENABLE_MPU_OFFSET 0x001c
105#define OMAP3430_PRM_IRQENABLE_MPU OMAP34XX_PRM_REGADDR(OCP_MOD, 0x001c)
106
107
108#define OMAP3_PRM_VC_SMPS_SA_OFFSET 0x0020
109#define OMAP3430_PRM_VC_SMPS_SA OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0020)
110#define OMAP3_PRM_VC_SMPS_VOL_RA_OFFSET 0x0024
111#define OMAP3430_PRM_VC_SMPS_VOL_RA OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0024)
112#define OMAP3_PRM_VC_SMPS_CMD_RA_OFFSET 0x0028
113#define OMAP3430_PRM_VC_SMPS_CMD_RA OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0028)
114#define OMAP3_PRM_VC_CMD_VAL_0_OFFSET 0x002c
115#define OMAP3430_PRM_VC_CMD_VAL_0 OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x002c)
116#define OMAP3_PRM_VC_CMD_VAL_1_OFFSET 0x0030
117#define OMAP3430_PRM_VC_CMD_VAL_1 OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0030)
118#define OMAP3_PRM_VC_CH_CONF_OFFSET 0x0034
119#define OMAP3430_PRM_VC_CH_CONF OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0034)
120#define OMAP3_PRM_VC_I2C_CFG_OFFSET 0x0038
121#define OMAP3430_PRM_VC_I2C_CFG OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0038)
122#define OMAP3_PRM_VC_BYPASS_VAL_OFFSET 0x003c
123#define OMAP3430_PRM_VC_BYPASS_VAL OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x003c)
124#define OMAP3_PRM_RSTCTRL_OFFSET 0x0050
125#define OMAP3430_PRM_RSTCTRL OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0050)
126#define OMAP3_PRM_RSTTIME_OFFSET 0x0054
127#define OMAP3430_PRM_RSTTIME OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0054)
128#define OMAP3_PRM_RSTST_OFFSET 0x0058
129#define OMAP3430_PRM_RSTST OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0058)
130#define OMAP3_PRM_VOLTCTRL_OFFSET 0x0060
131#define OMAP3430_PRM_VOLTCTRL OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0060)
132#define OMAP3_PRM_SRAM_PCHARGE_OFFSET 0x0064
133#define OMAP3430_PRM_SRAM_PCHARGE OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0064)
134#define OMAP3_PRM_CLKSRC_CTRL_OFFSET 0x0070
135#define OMAP3430_PRM_CLKSRC_CTRL OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0070)
136#define OMAP3_PRM_VOLTSETUP1_OFFSET 0x0090
137#define OMAP3430_PRM_VOLTSETUP1 OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0090)
138#define OMAP3_PRM_VOLTOFFSET_OFFSET 0x0094
139#define OMAP3430_PRM_VOLTOFFSET OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0094)
140#define OMAP3_PRM_CLKSETUP_OFFSET 0x0098
141#define OMAP3430_PRM_CLKSETUP OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0098)
142#define OMAP3_PRM_POLCTRL_OFFSET 0x009c
143#define OMAP3430_PRM_POLCTRL OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x009c)
144#define OMAP3_PRM_VOLTSETUP2_OFFSET 0x00a0
145#define OMAP3430_PRM_VOLTSETUP2 OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00a0)
146#define OMAP3_PRM_VP1_CONFIG_OFFSET 0x00b0
147#define OMAP3430_PRM_VP1_CONFIG OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00b0)
148#define OMAP3_PRM_VP1_VSTEPMIN_OFFSET 0x00b4
149#define OMAP3430_PRM_VP1_VSTEPMIN OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00b4)
150#define OMAP3_PRM_VP1_VSTEPMAX_OFFSET 0x00b8
151#define OMAP3430_PRM_VP1_VSTEPMAX OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00b8)
152#define OMAP3_PRM_VP1_VLIMITTO_OFFSET 0x00bc
153#define OMAP3430_PRM_VP1_VLIMITTO OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00bc)
154#define OMAP3_PRM_VP1_VOLTAGE_OFFSET 0x00c0
155#define OMAP3430_PRM_VP1_VOLTAGE OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00c0)
156#define OMAP3_PRM_VP1_STATUS_OFFSET 0x00c4
157#define OMAP3430_PRM_VP1_STATUS OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00c4)
158#define OMAP3_PRM_VP2_CONFIG_OFFSET 0x00d0
159#define OMAP3430_PRM_VP2_CONFIG OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00d0)
160#define OMAP3_PRM_VP2_VSTEPMIN_OFFSET 0x00d4
161#define OMAP3430_PRM_VP2_VSTEPMIN OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00d4)
162#define OMAP3_PRM_VP2_VSTEPMAX_OFFSET 0x00d8
163#define OMAP3430_PRM_VP2_VSTEPMAX OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00d8)
164#define OMAP3_PRM_VP2_VLIMITTO_OFFSET 0x00dc
165#define OMAP3430_PRM_VP2_VLIMITTO OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00dc)
166#define OMAP3_PRM_VP2_VOLTAGE_OFFSET 0x00e0
167#define OMAP3430_PRM_VP2_VOLTAGE OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00e0)
168#define OMAP3_PRM_VP2_STATUS_OFFSET 0x00e4
169#define OMAP3430_PRM_VP2_STATUS OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00e4)
170
171#define OMAP3_PRM_CLKSEL_OFFSET 0x0040
172#define OMAP3430_PRM_CLKSEL OMAP34XX_PRM_REGADDR(OMAP3430_CCR_MOD, 0x0040)
173#define OMAP3_PRM_CLKOUT_CTRL_OFFSET 0x0070
174#define OMAP3430_PRM_CLKOUT_CTRL OMAP34XX_PRM_REGADDR(OMAP3430_CCR_MOD, 0x0070)
175
176/* 22/*
177 * Module specific PRM register offsets from PRM_BASE + domain offset 23 * Module specific PRM register offsets from PRM_BASE + domain offset
178 * 24 *
@@ -200,66 +46,83 @@
200#define PM_EVGENONTIM 0x00d8 46#define PM_EVGENONTIM 0x00d8
201#define PM_EVGENOFFTIM 0x00dc 47#define PM_EVGENOFFTIM 0x00dc
202 48
203/* OMAP2xxx specific register offsets */
204#define OMAP24XX_PM_WKEN2 0x00a4
205#define OMAP24XX_PM_WKST2 0x00b4
206
207#define OMAP24XX_PRCM_IRQSTATUS_DSP 0x00f0 /* IVA mod */
208#define OMAP24XX_PRCM_IRQENABLE_DSP 0x00f4 /* IVA mod */
209#define OMAP24XX_PRCM_IRQSTATUS_IVA 0x00f8
210#define OMAP24XX_PRCM_IRQENABLE_IVA 0x00fc
211 49
212/* OMAP3 specific register offsets */ 50#ifndef __ASSEMBLER__
213#define OMAP3430ES2_PM_WKEN3 0x00f0
214#define OMAP3430ES2_PM_WKST3 0x00b8
215
216#define OMAP3430_PM_MPUGRPSEL 0x00a4
217#define OMAP3430_PM_MPUGRPSEL1 OMAP3430_PM_MPUGRPSEL
218#define OMAP3430ES2_PM_MPUGRPSEL3 0x00f8
219
220#define OMAP3430_PM_IVAGRPSEL 0x00a8
221#define OMAP3430_PM_IVAGRPSEL1 OMAP3430_PM_IVAGRPSEL
222#define OMAP3430ES2_PM_IVAGRPSEL3 0x00f4
223
224#define OMAP3430_PM_PREPWSTST 0x00e8
225
226#define OMAP3430_PRM_IRQSTATUS_IVA2 0x00f8
227#define OMAP3430_PRM_IRQENABLE_IVA2 0x00fc
228 51
52#include <linux/io.h>
53#include "powerdomain.h"
229 54
230#ifndef __ASSEMBLER__
231/* Power/reset management domain register get/set */ 55/* Power/reset management domain register get/set */
232extern u32 omap2_prm_read_mod_reg(s16 module, u16 idx); 56static inline u32 omap2_prm_read_mod_reg(s16 module, u16 idx)
233extern void omap2_prm_write_mod_reg(u32 val, s16 module, u16 idx); 57{
234extern u32 omap2_prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx); 58 return __raw_readl(prm_base + module + idx);
235extern u32 omap2_prm_set_mod_reg_bits(u32 bits, s16 module, s16 idx); 59}
236extern u32 omap2_prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx); 60
237extern u32 omap2_prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask); 61static inline void omap2_prm_write_mod_reg(u32 val, s16 module, u16 idx)
62{
63 __raw_writel(val, prm_base + module + idx);
64}
65
66/* Read-modify-write a register in a PRM module. Caller must lock */
67static inline u32 omap2_prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module,
68 s16 idx)
69{
70 u32 v;
71
72 v = omap2_prm_read_mod_reg(module, idx);
73 v &= ~mask;
74 v |= bits;
75 omap2_prm_write_mod_reg(v, module, idx);
76
77 return v;
78}
79
80/* Read a PRM register, AND it, and shift the result down to bit 0 */
81static inline u32 omap2_prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask)
82{
83 u32 v;
84
85 v = omap2_prm_read_mod_reg(domain, idx);
86 v &= mask;
87 v >>= __ffs(mask);
88
89 return v;
90}
91
92static inline u32 omap2_prm_set_mod_reg_bits(u32 bits, s16 module, s16 idx)
93{
94 return omap2_prm_rmw_mod_reg_bits(bits, bits, module, idx);
95}
96
97static inline u32 omap2_prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
98{
99 return omap2_prm_rmw_mod_reg_bits(bits, 0x0, module, idx);
100}
238 101
239/* These omap2_ PRM functions apply to both OMAP2 and 3 */ 102/* These omap2_ PRM functions apply to both OMAP2 and 3 */
240extern int omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift); 103extern int omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift);
241extern int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift); 104extern int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift);
242extern int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, u8 st_shift); 105extern int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, u8 st_shift);
243 106
244/* OMAP3-specific VP functions */ 107extern int omap2_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst);
245u32 omap3_prm_vp_check_txdone(u8 vp_id); 108extern int omap2_pwrdm_read_next_pwrst(struct powerdomain *pwrdm);
246void omap3_prm_vp_clear_txdone(u8 vp_id); 109extern int omap2_pwrdm_read_pwrst(struct powerdomain *pwrdm);
247 110extern int omap2_pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank,
248/* 111 u8 pwrst);
249 * OMAP3 access functions for voltage controller (VC) and 112extern int omap2_pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank,
250 * voltage proccessor (VP) in the PRM. 113 u8 pwrst);
251 */ 114extern int omap2_pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank);
252extern u32 omap3_prm_vcvp_read(u8 offset); 115extern int omap2_pwrdm_read_mem_retst(struct powerdomain *pwrdm, u8 bank);
253extern void omap3_prm_vcvp_write(u32 val, u8 offset); 116extern int omap2_pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst);
254extern u32 omap3_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset); 117extern int omap2_pwrdm_wait_transition(struct powerdomain *pwrdm);
255 118
256extern void omap3xxx_prm_reconfigure_io_chain(void); 119extern int omap2_clkdm_add_wkdep(struct clockdomain *clkdm1,
257 120 struct clockdomain *clkdm2);
258/* PRM interrupt-related functions */ 121extern int omap2_clkdm_del_wkdep(struct clockdomain *clkdm1,
259extern void omap3xxx_prm_read_pending_irqs(unsigned long *events); 122 struct clockdomain *clkdm2);
260extern void omap3xxx_prm_ocp_barrier(void); 123extern int omap2_clkdm_read_wkdep(struct clockdomain *clkdm1,
261extern void omap3xxx_prm_save_and_clear_irqen(u32 *saved_mask); 124 struct clockdomain *clkdm2);
262extern void omap3xxx_prm_restore_irqen(u32 *saved_mask); 125extern int omap2_clkdm_clear_all_wkdeps(struct clockdomain *clkdm);
263 126
264#endif /* __ASSEMBLER */ 127#endif /* __ASSEMBLER */
265 128
@@ -348,7 +211,9 @@ extern void omap3xxx_prm_restore_irqen(u32 *saved_mask);
348 * 211 *
349 * 3430: RM_RSTST_CORE, RM_RSTST_EMU 212 * 3430: RM_RSTST_CORE, RM_RSTST_EMU
350 */ 213 */
214#define OMAP_GLOBALWARM_RST_SHIFT 1
351#define OMAP_GLOBALWARM_RST_MASK (1 << 1) 215#define OMAP_GLOBALWARM_RST_MASK (1 << 1)
216#define OMAP_GLOBALCOLD_RST_SHIFT 0
352#define OMAP_GLOBALCOLD_RST_MASK (1 << 0) 217#define OMAP_GLOBALCOLD_RST_MASK (1 << 0)
353 218
354/* 219/*
@@ -376,11 +241,4 @@ extern void omap3xxx_prm_restore_irqen(u32 *saved_mask);
376#define OMAP_LOGICRETSTATE_MASK (1 << 2) 241#define OMAP_LOGICRETSTATE_MASK (1 << 2)
377 242
378 243
379/*
380 * MAX_MODULE_HARDRESET_WAIT: Maximum microseconds to wait for an OMAP
381 * submodule to exit hardreset
382 */
383#define MAX_MODULE_HARDRESET_WAIT 10000
384
385
386#endif 244#endif
diff --git a/arch/arm/mach-omap2/prm33xx.c b/arch/arm/mach-omap2/prm33xx.c
index 0d8abb577669..1ac73883f891 100644
--- a/arch/arm/mach-omap2/prm33xx.c
+++ b/arch/arm/mach-omap2/prm33xx.c
@@ -20,6 +20,7 @@
20#include <linux/io.h> 20#include <linux/io.h>
21 21
22#include "common.h" 22#include "common.h"
23#include "powerdomain.h"
23#include "prm33xx.h" 24#include "prm33xx.h"
24#include "prm-regbits-33xx.h" 25#include "prm-regbits-33xx.h"
25 26
@@ -131,3 +132,204 @@ int am33xx_prm_deassert_hardreset(u8 shift, s16 inst,
131 132
132 return (c == MAX_MODULE_HARDRESET_WAIT) ? -EBUSY : 0; 133 return (c == MAX_MODULE_HARDRESET_WAIT) ? -EBUSY : 0;
133} 134}
135
136static int am33xx_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst)
137{
138 am33xx_prm_rmw_reg_bits(OMAP_POWERSTATE_MASK,
139 (pwrst << OMAP_POWERSTATE_SHIFT),
140 pwrdm->prcm_offs, pwrdm->pwrstctrl_offs);
141 return 0;
142}
143
144static int am33xx_pwrdm_read_next_pwrst(struct powerdomain *pwrdm)
145{
146 u32 v;
147
148 v = am33xx_prm_read_reg(pwrdm->prcm_offs, pwrdm->pwrstctrl_offs);
149 v &= OMAP_POWERSTATE_MASK;
150 v >>= OMAP_POWERSTATE_SHIFT;
151
152 return v;
153}
154
155static int am33xx_pwrdm_read_pwrst(struct powerdomain *pwrdm)
156{
157 u32 v;
158
159 v = am33xx_prm_read_reg(pwrdm->prcm_offs, pwrdm->pwrstst_offs);
160 v &= OMAP_POWERSTATEST_MASK;
161 v >>= OMAP_POWERSTATEST_SHIFT;
162
163 return v;
164}
165
166static int am33xx_pwrdm_read_prev_pwrst(struct powerdomain *pwrdm)
167{
168 u32 v;
169
170 v = am33xx_prm_read_reg(pwrdm->prcm_offs, pwrdm->pwrstst_offs);
171 v &= AM33XX_LASTPOWERSTATEENTERED_MASK;
172 v >>= AM33XX_LASTPOWERSTATEENTERED_SHIFT;
173
174 return v;
175}
176
177static int am33xx_pwrdm_set_lowpwrstchange(struct powerdomain *pwrdm)
178{
179 am33xx_prm_rmw_reg_bits(AM33XX_LOWPOWERSTATECHANGE_MASK,
180 (1 << AM33XX_LOWPOWERSTATECHANGE_SHIFT),
181 pwrdm->prcm_offs, pwrdm->pwrstctrl_offs);
182 return 0;
183}
184
185static int am33xx_pwrdm_clear_all_prev_pwrst(struct powerdomain *pwrdm)
186{
187 am33xx_prm_rmw_reg_bits(AM33XX_LASTPOWERSTATEENTERED_MASK,
188 AM33XX_LASTPOWERSTATEENTERED_MASK,
189 pwrdm->prcm_offs, pwrdm->pwrstst_offs);
190 return 0;
191}
192
193static int am33xx_pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst)
194{
195 u32 m;
196
197 m = pwrdm->logicretstate_mask;
198 if (!m)
199 return -EINVAL;
200
201 am33xx_prm_rmw_reg_bits(m, (pwrst << __ffs(m)),
202 pwrdm->prcm_offs, pwrdm->pwrstctrl_offs);
203
204 return 0;
205}
206
207static int am33xx_pwrdm_read_logic_pwrst(struct powerdomain *pwrdm)
208{
209 u32 v;
210
211 v = am33xx_prm_read_reg(pwrdm->prcm_offs, pwrdm->pwrstst_offs);
212 v &= AM33XX_LOGICSTATEST_MASK;
213 v >>= AM33XX_LOGICSTATEST_SHIFT;
214
215 return v;
216}
217
218static int am33xx_pwrdm_read_logic_retst(struct powerdomain *pwrdm)
219{
220 u32 v, m;
221
222 m = pwrdm->logicretstate_mask;
223 if (!m)
224 return -EINVAL;
225
226 v = am33xx_prm_read_reg(pwrdm->prcm_offs, pwrdm->pwrstctrl_offs);
227 v &= m;
228 v >>= __ffs(m);
229
230 return v;
231}
232
233static int am33xx_pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank,
234 u8 pwrst)
235{
236 u32 m;
237
238 m = pwrdm->mem_on_mask[bank];
239 if (!m)
240 return -EINVAL;
241
242 am33xx_prm_rmw_reg_bits(m, (pwrst << __ffs(m)),
243 pwrdm->prcm_offs, pwrdm->pwrstctrl_offs);
244
245 return 0;
246}
247
248static int am33xx_pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank,
249 u8 pwrst)
250{
251 u32 m;
252
253 m = pwrdm->mem_ret_mask[bank];
254 if (!m)
255 return -EINVAL;
256
257 am33xx_prm_rmw_reg_bits(m, (pwrst << __ffs(m)),
258 pwrdm->prcm_offs, pwrdm->pwrstctrl_offs);
259
260 return 0;
261}
262
263static int am33xx_pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank)
264{
265 u32 m, v;
266
267 m = pwrdm->mem_pwrst_mask[bank];
268 if (!m)
269 return -EINVAL;
270
271 v = am33xx_prm_read_reg(pwrdm->prcm_offs, pwrdm->pwrstst_offs);
272 v &= m;
273 v >>= __ffs(m);
274
275 return v;
276}
277
278static int am33xx_pwrdm_read_mem_retst(struct powerdomain *pwrdm, u8 bank)
279{
280 u32 m, v;
281
282 m = pwrdm->mem_retst_mask[bank];
283 if (!m)
284 return -EINVAL;
285
286 v = am33xx_prm_read_reg(pwrdm->prcm_offs, pwrdm->pwrstctrl_offs);
287 v &= m;
288 v >>= __ffs(m);
289
290 return v;
291}
292
293static int am33xx_pwrdm_wait_transition(struct powerdomain *pwrdm)
294{
295 u32 c = 0;
296
297 /*
298 * REVISIT: pwrdm_wait_transition() may be better implemented
299 * via a callback and a periodic timer check -- how long do we expect
300 * powerdomain transitions to take?
301 */
302
303 /* XXX Is this udelay() value meaningful? */
304 while ((am33xx_prm_read_reg(pwrdm->prcm_offs, pwrdm->pwrstst_offs)
305 & OMAP_INTRANSITION_MASK) &&
306 (c++ < PWRDM_TRANSITION_BAILOUT))
307 udelay(1);
308
309 if (c > PWRDM_TRANSITION_BAILOUT) {
310 pr_err("powerdomain: %s: waited too long to complete transition\n",
311 pwrdm->name);
312 return -EAGAIN;
313 }
314
315 pr_debug("powerdomain: completed transition in %d loops\n", c);
316
317 return 0;
318}
319
320struct pwrdm_ops am33xx_pwrdm_operations = {
321 .pwrdm_set_next_pwrst = am33xx_pwrdm_set_next_pwrst,
322 .pwrdm_read_next_pwrst = am33xx_pwrdm_read_next_pwrst,
323 .pwrdm_read_pwrst = am33xx_pwrdm_read_pwrst,
324 .pwrdm_read_prev_pwrst = am33xx_pwrdm_read_prev_pwrst,
325 .pwrdm_set_logic_retst = am33xx_pwrdm_set_logic_retst,
326 .pwrdm_read_logic_pwrst = am33xx_pwrdm_read_logic_pwrst,
327 .pwrdm_read_logic_retst = am33xx_pwrdm_read_logic_retst,
328 .pwrdm_clear_all_prev_pwrst = am33xx_pwrdm_clear_all_prev_pwrst,
329 .pwrdm_set_lowpwrstchange = am33xx_pwrdm_set_lowpwrstchange,
330 .pwrdm_read_mem_pwrst = am33xx_pwrdm_read_mem_pwrst,
331 .pwrdm_read_mem_retst = am33xx_pwrdm_read_mem_retst,
332 .pwrdm_set_mem_onst = am33xx_pwrdm_set_mem_onst,
333 .pwrdm_set_mem_retst = am33xx_pwrdm_set_mem_retst,
334 .pwrdm_wait_transition = am33xx_pwrdm_wait_transition,
335};
diff --git a/arch/arm/mach-omap2/prm3xxx.c b/arch/arm/mach-omap2/prm3xxx.c
new file mode 100644
index 000000000000..b86116cf0db9
--- /dev/null
+++ b/arch/arm/mach-omap2/prm3xxx.c
@@ -0,0 +1,417 @@
1/*
2 * OMAP3xxx PRM module functions
3 *
4 * Copyright (C) 2010-2012 Texas Instruments, Inc.
5 * Copyright (C) 2010 Nokia Corporation
6 * Benoît Cousson
7 * Paul Walmsley
8 * Rajendra Nayak <rnayak@ti.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
15#include <linux/kernel.h>
16#include <linux/errno.h>
17#include <linux/err.h>
18#include <linux/io.h>
19#include <linux/irq.h>
20
21#include "common.h"
22#include <plat/cpu.h>
23
24#include "vp.h"
25#include "powerdomain.h"
26#include "prm3xxx.h"
27#include "prm2xxx_3xxx.h"
28#include "cm2xxx_3xxx.h"
29#include "prm-regbits-34xx.h"
30
31static const struct omap_prcm_irq omap3_prcm_irqs[] = {
32 OMAP_PRCM_IRQ("wkup", 0, 0),
33 OMAP_PRCM_IRQ("io", 9, 1),
34};
35
36static struct omap_prcm_irq_setup omap3_prcm_irq_setup = {
37 .ack = OMAP3_PRM_IRQSTATUS_MPU_OFFSET,
38 .mask = OMAP3_PRM_IRQENABLE_MPU_OFFSET,
39 .nr_regs = 1,
40 .irqs = omap3_prcm_irqs,
41 .nr_irqs = ARRAY_SIZE(omap3_prcm_irqs),
42 .irq = 11 + OMAP_INTC_START,
43 .read_pending_irqs = &omap3xxx_prm_read_pending_irqs,
44 .ocp_barrier = &omap3xxx_prm_ocp_barrier,
45 .save_and_clear_irqen = &omap3xxx_prm_save_and_clear_irqen,
46 .restore_irqen = &omap3xxx_prm_restore_irqen,
47};
48
49/*
50 * omap3_prm_reset_src_map - map from bits in the PRM_RSTST hardware
51 * register (which are specific to OMAP3xxx SoCs) to reset source ID
52 * bit shifts (which is an OMAP SoC-independent enumeration)
53 */
54static struct prm_reset_src_map omap3xxx_prm_reset_src_map[] = {
55 { OMAP3430_GLOBAL_COLD_RST_SHIFT, OMAP_GLOBAL_COLD_RST_SRC_ID_SHIFT },
56 { OMAP3430_GLOBAL_SW_RST_SHIFT, OMAP_GLOBAL_WARM_RST_SRC_ID_SHIFT },
57 { OMAP3430_SECURITY_VIOL_RST_SHIFT, OMAP_SECU_VIOL_RST_SRC_ID_SHIFT },
58 { OMAP3430_MPU_WD_RST_SHIFT, OMAP_MPU_WD_RST_SRC_ID_SHIFT },
59 { OMAP3430_SECURE_WD_RST_SHIFT, OMAP_MPU_WD_RST_SRC_ID_SHIFT },
60 { OMAP3430_EXTERNAL_WARM_RST_SHIFT, OMAP_EXTWARM_RST_SRC_ID_SHIFT },
61 { OMAP3430_VDD1_VOLTAGE_MANAGER_RST_SHIFT,
62 OMAP_VDD_MPU_VM_RST_SRC_ID_SHIFT },
63 { OMAP3430_VDD2_VOLTAGE_MANAGER_RST_SHIFT,
64 OMAP_VDD_CORE_VM_RST_SRC_ID_SHIFT },
65 { OMAP3430_ICEPICK_RST_SHIFT, OMAP_ICEPICK_RST_SRC_ID_SHIFT },
66 { OMAP3430_ICECRUSHER_RST_SHIFT, OMAP_ICECRUSHER_RST_SRC_ID_SHIFT },
67 { -1, -1 },
68};
69
70/* PRM VP */
71
72/*
73 * struct omap3_vp - OMAP3 VP register access description.
74 * @tranxdone_status: VP_TRANXDONE_ST bitmask in PRM_IRQSTATUS_MPU reg
75 */
76struct omap3_vp {
77 u32 tranxdone_status;
78};
79
80static struct omap3_vp omap3_vp[] = {
81 [OMAP3_VP_VDD_MPU_ID] = {
82 .tranxdone_status = OMAP3430_VP1_TRANXDONE_ST_MASK,
83 },
84 [OMAP3_VP_VDD_CORE_ID] = {
85 .tranxdone_status = OMAP3430_VP2_TRANXDONE_ST_MASK,
86 },
87};
88
89#define MAX_VP_ID ARRAY_SIZE(omap3_vp);
90
91u32 omap3_prm_vp_check_txdone(u8 vp_id)
92{
93 struct omap3_vp *vp = &omap3_vp[vp_id];
94 u32 irqstatus;
95
96 irqstatus = omap2_prm_read_mod_reg(OCP_MOD,
97 OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
98 return irqstatus & vp->tranxdone_status;
99}
100
101void omap3_prm_vp_clear_txdone(u8 vp_id)
102{
103 struct omap3_vp *vp = &omap3_vp[vp_id];
104
105 omap2_prm_write_mod_reg(vp->tranxdone_status,
106 OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
107}
108
109u32 omap3_prm_vcvp_read(u8 offset)
110{
111 return omap2_prm_read_mod_reg(OMAP3430_GR_MOD, offset);
112}
113
114void omap3_prm_vcvp_write(u32 val, u8 offset)
115{
116 omap2_prm_write_mod_reg(val, OMAP3430_GR_MOD, offset);
117}
118
119u32 omap3_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset)
120{
121 return omap2_prm_rmw_mod_reg_bits(mask, bits, OMAP3430_GR_MOD, offset);
122}
123
124/**
125 * omap3xxx_prm_dpll3_reset - use DPLL3 reset to reboot the OMAP SoC
126 *
127 * Set the DPLL3 reset bit, which should reboot the SoC. This is the
128 * recommended way to restart the SoC, considering Errata i520. No
129 * return value.
130 */
131void omap3xxx_prm_dpll3_reset(void)
132{
133 omap2_prm_set_mod_reg_bits(OMAP_RST_DPLL3_MASK, OMAP3430_GR_MOD,
134 OMAP2_RM_RSTCTRL);
135 /* OCP barrier */
136 omap2_prm_read_mod_reg(OMAP3430_GR_MOD, OMAP2_RM_RSTCTRL);
137}
138
139/**
140 * omap3xxx_prm_read_pending_irqs - read pending PRM MPU IRQs into @events
141 * @events: ptr to a u32, preallocated by caller
142 *
143 * Read PRM_IRQSTATUS_MPU bits, AND'ed with the currently-enabled PRM
144 * MPU IRQs, and store the result into the u32 pointed to by @events.
145 * No return value.
146 */
147void omap3xxx_prm_read_pending_irqs(unsigned long *events)
148{
149 u32 mask, st;
150
151 /* XXX Can the mask read be avoided (e.g., can it come from RAM?) */
152 mask = omap2_prm_read_mod_reg(OCP_MOD, OMAP3_PRM_IRQENABLE_MPU_OFFSET);
153 st = omap2_prm_read_mod_reg(OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
154
155 events[0] = mask & st;
156}
157
158/**
159 * omap3xxx_prm_ocp_barrier - force buffered MPU writes to the PRM to complete
160 *
161 * Force any buffered writes to the PRM IP block to complete. Needed
162 * by the PRM IRQ handler, which reads and writes directly to the IP
163 * block, to avoid race conditions after acknowledging or clearing IRQ
164 * bits. No return value.
165 */
166void omap3xxx_prm_ocp_barrier(void)
167{
168 omap2_prm_read_mod_reg(OCP_MOD, OMAP3_PRM_REVISION_OFFSET);
169}
170
171/**
172 * omap3xxx_prm_save_and_clear_irqen - save/clear PRM_IRQENABLE_MPU reg
173 * @saved_mask: ptr to a u32 array to save IRQENABLE bits
174 *
175 * Save the PRM_IRQENABLE_MPU register to @saved_mask. @saved_mask
176 * must be allocated by the caller. Intended to be used in the PRM
177 * interrupt handler suspend callback. The OCP barrier is needed to
178 * ensure the write to disable PRM interrupts reaches the PRM before
179 * returning; otherwise, spurious interrupts might occur. No return
180 * value.
181 */
182void omap3xxx_prm_save_and_clear_irqen(u32 *saved_mask)
183{
184 saved_mask[0] = omap2_prm_read_mod_reg(OCP_MOD,
185 OMAP3_PRM_IRQENABLE_MPU_OFFSET);
186 omap2_prm_write_mod_reg(0, OCP_MOD, OMAP3_PRM_IRQENABLE_MPU_OFFSET);
187
188 /* OCP barrier */
189 omap2_prm_read_mod_reg(OCP_MOD, OMAP3_PRM_REVISION_OFFSET);
190}
191
192/**
193 * omap3xxx_prm_restore_irqen - set PRM_IRQENABLE_MPU register from args
194 * @saved_mask: ptr to a u32 array of IRQENABLE bits saved previously
195 *
196 * Restore the PRM_IRQENABLE_MPU register from @saved_mask. Intended
197 * to be used in the PRM interrupt handler resume callback to restore
198 * values saved by omap3xxx_prm_save_and_clear_irqen(). No OCP
199 * barrier should be needed here; any pending PRM interrupts will fire
200 * once the writes reach the PRM. No return value.
201 */
202void omap3xxx_prm_restore_irqen(u32 *saved_mask)
203{
204 omap2_prm_write_mod_reg(saved_mask[0], OCP_MOD,
205 OMAP3_PRM_IRQENABLE_MPU_OFFSET);
206}
207
208/**
209 * omap3xxx_prm_reconfigure_io_chain - clear latches and reconfigure I/O chain
210 *
211 * Clear any previously-latched I/O wakeup events and ensure that the
212 * I/O wakeup gates are aligned with the current mux settings. Works
213 * by asserting WUCLKIN, waiting for WUCLKOUT to be asserted, and then
214 * deasserting WUCLKIN and clearing the ST_IO_CHAIN WKST bit. No
215 * return value.
216 */
217void omap3xxx_prm_reconfigure_io_chain(void)
218{
219 int i = 0;
220
221 omap2_prm_set_mod_reg_bits(OMAP3430_EN_IO_CHAIN_MASK, WKUP_MOD,
222 PM_WKEN);
223
224 omap_test_timeout(omap2_prm_read_mod_reg(WKUP_MOD, PM_WKST) &
225 OMAP3430_ST_IO_CHAIN_MASK,
226 MAX_IOPAD_LATCH_TIME, i);
227 if (i == MAX_IOPAD_LATCH_TIME)
228 pr_warn("PRM: I/O chain clock line assertion timed out\n");
229
230 omap2_prm_clear_mod_reg_bits(OMAP3430_EN_IO_CHAIN_MASK, WKUP_MOD,
231 PM_WKEN);
232
233 omap2_prm_set_mod_reg_bits(OMAP3430_ST_IO_CHAIN_MASK, WKUP_MOD,
234 PM_WKST);
235
236 omap2_prm_read_mod_reg(WKUP_MOD, PM_WKST);
237}
238
239/**
240 * omap3xxx_prm_enable_io_wakeup - enable wakeup events from I/O wakeup latches
241 *
242 * Activates the I/O wakeup event latches and allows events logged by
243 * those latches to signal a wakeup event to the PRCM. For I/O
244 * wakeups to occur, WAKEUPENABLE bits must be set in the pad mux
245 * registers, and omap3xxx_prm_reconfigure_io_chain() must be called.
246 * No return value.
247 */
248static void __init omap3xxx_prm_enable_io_wakeup(void)
249{
250 if (omap3_has_io_wakeup())
251 omap2_prm_set_mod_reg_bits(OMAP3430_EN_IO_MASK, WKUP_MOD,
252 PM_WKEN);
253}
254
255/**
256 * omap3xxx_prm_read_reset_sources - return the last SoC reset source
257 *
258 * Return a u32 representing the last reset sources of the SoC. The
259 * returned reset source bits are standardized across OMAP SoCs.
260 */
261static u32 omap3xxx_prm_read_reset_sources(void)
262{
263 struct prm_reset_src_map *p;
264 u32 r = 0;
265 u32 v;
266
267 v = omap2_prm_read_mod_reg(WKUP_MOD, OMAP2_RM_RSTST);
268
269 p = omap3xxx_prm_reset_src_map;
270 while (p->reg_shift >= 0 && p->std_shift >= 0) {
271 if (v & (1 << p->reg_shift))
272 r |= 1 << p->std_shift;
273 p++;
274 }
275
276 return r;
277}
278
279/* Powerdomain low-level functions */
280
281/* Applicable only for OMAP3. Not supported on OMAP2 */
282static int omap3_pwrdm_read_prev_pwrst(struct powerdomain *pwrdm)
283{
284 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
285 OMAP3430_PM_PREPWSTST,
286 OMAP3430_LASTPOWERSTATEENTERED_MASK);
287}
288
289static int omap3_pwrdm_read_logic_pwrst(struct powerdomain *pwrdm)
290{
291 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
292 OMAP2_PM_PWSTST,
293 OMAP3430_LOGICSTATEST_MASK);
294}
295
296static int omap3_pwrdm_read_logic_retst(struct powerdomain *pwrdm)
297{
298 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
299 OMAP2_PM_PWSTCTRL,
300 OMAP3430_LOGICSTATEST_MASK);
301}
302
303static int omap3_pwrdm_read_prev_logic_pwrst(struct powerdomain *pwrdm)
304{
305 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
306 OMAP3430_PM_PREPWSTST,
307 OMAP3430_LASTLOGICSTATEENTERED_MASK);
308}
309
310static int omap3_get_mem_bank_lastmemst_mask(u8 bank)
311{
312 switch (bank) {
313 case 0:
314 return OMAP3430_LASTMEM1STATEENTERED_MASK;
315 case 1:
316 return OMAP3430_LASTMEM2STATEENTERED_MASK;
317 case 2:
318 return OMAP3430_LASTSHAREDL2CACHEFLATSTATEENTERED_MASK;
319 case 3:
320 return OMAP3430_LASTL2FLATMEMSTATEENTERED_MASK;
321 default:
322 WARN_ON(1); /* should never happen */
323 return -EEXIST;
324 }
325 return 0;
326}
327
328static int omap3_pwrdm_read_prev_mem_pwrst(struct powerdomain *pwrdm, u8 bank)
329{
330 u32 m;
331
332 m = omap3_get_mem_bank_lastmemst_mask(bank);
333
334 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
335 OMAP3430_PM_PREPWSTST, m);
336}
337
338static int omap3_pwrdm_clear_all_prev_pwrst(struct powerdomain *pwrdm)
339{
340 omap2_prm_write_mod_reg(0, pwrdm->prcm_offs, OMAP3430_PM_PREPWSTST);
341 return 0;
342}
343
344static int omap3_pwrdm_enable_hdwr_sar(struct powerdomain *pwrdm)
345{
346 return omap2_prm_rmw_mod_reg_bits(0,
347 1 << OMAP3430ES2_SAVEANDRESTORE_SHIFT,
348 pwrdm->prcm_offs, OMAP2_PM_PWSTCTRL);
349}
350
351static int omap3_pwrdm_disable_hdwr_sar(struct powerdomain *pwrdm)
352{
353 return omap2_prm_rmw_mod_reg_bits(1 << OMAP3430ES2_SAVEANDRESTORE_SHIFT,
354 0, pwrdm->prcm_offs,
355 OMAP2_PM_PWSTCTRL);
356}
357
358struct pwrdm_ops omap3_pwrdm_operations = {
359 .pwrdm_set_next_pwrst = omap2_pwrdm_set_next_pwrst,
360 .pwrdm_read_next_pwrst = omap2_pwrdm_read_next_pwrst,
361 .pwrdm_read_pwrst = omap2_pwrdm_read_pwrst,
362 .pwrdm_read_prev_pwrst = omap3_pwrdm_read_prev_pwrst,
363 .pwrdm_set_logic_retst = omap2_pwrdm_set_logic_retst,
364 .pwrdm_read_logic_pwrst = omap3_pwrdm_read_logic_pwrst,
365 .pwrdm_read_logic_retst = omap3_pwrdm_read_logic_retst,
366 .pwrdm_read_prev_logic_pwrst = omap3_pwrdm_read_prev_logic_pwrst,
367 .pwrdm_set_mem_onst = omap2_pwrdm_set_mem_onst,
368 .pwrdm_set_mem_retst = omap2_pwrdm_set_mem_retst,
369 .pwrdm_read_mem_pwrst = omap2_pwrdm_read_mem_pwrst,
370 .pwrdm_read_mem_retst = omap2_pwrdm_read_mem_retst,
371 .pwrdm_read_prev_mem_pwrst = omap3_pwrdm_read_prev_mem_pwrst,
372 .pwrdm_clear_all_prev_pwrst = omap3_pwrdm_clear_all_prev_pwrst,
373 .pwrdm_enable_hdwr_sar = omap3_pwrdm_enable_hdwr_sar,
374 .pwrdm_disable_hdwr_sar = omap3_pwrdm_disable_hdwr_sar,
375 .pwrdm_wait_transition = omap2_pwrdm_wait_transition,
376};
377
378/*
379 *
380 */
381
382static struct prm_ll_data omap3xxx_prm_ll_data = {
383 .read_reset_sources = &omap3xxx_prm_read_reset_sources,
384};
385
386static int __init omap3xxx_prm_init(void)
387{
388 int ret;
389
390 if (!cpu_is_omap34xx())
391 return 0;
392
393 ret = prm_register(&omap3xxx_prm_ll_data);
394 if (ret)
395 return ret;
396
397 omap3xxx_prm_enable_io_wakeup();
398 ret = omap_prcm_register_chain_handler(&omap3_prcm_irq_setup);
399 if (!ret)
400 irq_set_status_flags(omap_prcm_event_to_irq("io"),
401 IRQ_NOAUTOEN);
402
403
404 return ret;
405}
406subsys_initcall(omap3xxx_prm_init);
407
408static void __exit omap3xxx_prm_exit(void)
409{
410 if (!cpu_is_omap34xx())
411 return;
412
413 /* Should never happen */
414 WARN(prm_unregister(&omap3xxx_prm_ll_data),
415 "%s: prm_ll_data function pointer mismatch\n", __func__);
416}
417__exitcall(omap3xxx_prm_exit);
diff --git a/arch/arm/mach-omap2/prm3xxx.h b/arch/arm/mach-omap2/prm3xxx.h
new file mode 100644
index 000000000000..10cd41a8129e
--- /dev/null
+++ b/arch/arm/mach-omap2/prm3xxx.h
@@ -0,0 +1,162 @@
1/*
2 * OMAP3xxx Power/Reset Management (PRM) register definitions
3 *
4 * Copyright (C) 2007-2009, 2011-2012 Texas Instruments, Inc.
5 * Copyright (C) 2008-2010 Nokia Corporation
6 * Paul Walmsley
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 * The PRM hardware modules on the OMAP2/3 are quite similar to each
13 * other. The PRM on OMAP4 has a new register layout, and is handled
14 * in a separate file.
15 */
16#ifndef __ARCH_ARM_MACH_OMAP2_PRM3XXX_H
17#define __ARCH_ARM_MACH_OMAP2_PRM3XXX_H
18
19#include "prcm-common.h"
20#include "prm.h"
21#include "prm2xxx_3xxx.h"
22
23#define OMAP34XX_PRM_REGADDR(module, reg) \
24 OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE + (module) + (reg))
25
26
27/*
28 * OMAP3-specific global PRM registers
29 * Use __raw_{read,write}l() with these registers.
30 *
31 * With a few exceptions, these are the register names beginning with
32 * PRM_* on 34xx. (The exceptions are the IRQSTATUS and IRQENABLE
33 * bits.)
34 */
35
36#define OMAP3_PRM_REVISION_OFFSET 0x0004
37#define OMAP3430_PRM_REVISION OMAP34XX_PRM_REGADDR(OCP_MOD, 0x0004)
38#define OMAP3_PRM_SYSCONFIG_OFFSET 0x0014
39#define OMAP3430_PRM_SYSCONFIG OMAP34XX_PRM_REGADDR(OCP_MOD, 0x0014)
40
41#define OMAP3_PRM_IRQSTATUS_MPU_OFFSET 0x0018
42#define OMAP3430_PRM_IRQSTATUS_MPU OMAP34XX_PRM_REGADDR(OCP_MOD, 0x0018)
43#define OMAP3_PRM_IRQENABLE_MPU_OFFSET 0x001c
44#define OMAP3430_PRM_IRQENABLE_MPU OMAP34XX_PRM_REGADDR(OCP_MOD, 0x001c)
45
46
47#define OMAP3_PRM_VC_SMPS_SA_OFFSET 0x0020
48#define OMAP3430_PRM_VC_SMPS_SA OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0020)
49#define OMAP3_PRM_VC_SMPS_VOL_RA_OFFSET 0x0024
50#define OMAP3430_PRM_VC_SMPS_VOL_RA OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0024)
51#define OMAP3_PRM_VC_SMPS_CMD_RA_OFFSET 0x0028
52#define OMAP3430_PRM_VC_SMPS_CMD_RA OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0028)
53#define OMAP3_PRM_VC_CMD_VAL_0_OFFSET 0x002c
54#define OMAP3430_PRM_VC_CMD_VAL_0 OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x002c)
55#define OMAP3_PRM_VC_CMD_VAL_1_OFFSET 0x0030
56#define OMAP3430_PRM_VC_CMD_VAL_1 OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0030)
57#define OMAP3_PRM_VC_CH_CONF_OFFSET 0x0034
58#define OMAP3430_PRM_VC_CH_CONF OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0034)
59#define OMAP3_PRM_VC_I2C_CFG_OFFSET 0x0038
60#define OMAP3430_PRM_VC_I2C_CFG OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0038)
61#define OMAP3_PRM_VC_BYPASS_VAL_OFFSET 0x003c
62#define OMAP3430_PRM_VC_BYPASS_VAL OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x003c)
63#define OMAP3_PRM_RSTCTRL_OFFSET 0x0050
64#define OMAP3430_PRM_RSTCTRL OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0050)
65#define OMAP3_PRM_RSTTIME_OFFSET 0x0054
66#define OMAP3430_PRM_RSTTIME OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0054)
67#define OMAP3_PRM_RSTST_OFFSET 0x0058
68#define OMAP3430_PRM_RSTST OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0058)
69#define OMAP3_PRM_VOLTCTRL_OFFSET 0x0060
70#define OMAP3430_PRM_VOLTCTRL OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0060)
71#define OMAP3_PRM_SRAM_PCHARGE_OFFSET 0x0064
72#define OMAP3430_PRM_SRAM_PCHARGE OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0064)
73#define OMAP3_PRM_CLKSRC_CTRL_OFFSET 0x0070
74#define OMAP3430_PRM_CLKSRC_CTRL OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0070)
75#define OMAP3_PRM_VOLTSETUP1_OFFSET 0x0090
76#define OMAP3430_PRM_VOLTSETUP1 OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0090)
77#define OMAP3_PRM_VOLTOFFSET_OFFSET 0x0094
78#define OMAP3430_PRM_VOLTOFFSET OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0094)
79#define OMAP3_PRM_CLKSETUP_OFFSET 0x0098
80#define OMAP3430_PRM_CLKSETUP OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x0098)
81#define OMAP3_PRM_POLCTRL_OFFSET 0x009c
82#define OMAP3430_PRM_POLCTRL OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x009c)
83#define OMAP3_PRM_VOLTSETUP2_OFFSET 0x00a0
84#define OMAP3430_PRM_VOLTSETUP2 OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00a0)
85#define OMAP3_PRM_VP1_CONFIG_OFFSET 0x00b0
86#define OMAP3430_PRM_VP1_CONFIG OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00b0)
87#define OMAP3_PRM_VP1_VSTEPMIN_OFFSET 0x00b4
88#define OMAP3430_PRM_VP1_VSTEPMIN OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00b4)
89#define OMAP3_PRM_VP1_VSTEPMAX_OFFSET 0x00b8
90#define OMAP3430_PRM_VP1_VSTEPMAX OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00b8)
91#define OMAP3_PRM_VP1_VLIMITTO_OFFSET 0x00bc
92#define OMAP3430_PRM_VP1_VLIMITTO OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00bc)
93#define OMAP3_PRM_VP1_VOLTAGE_OFFSET 0x00c0
94#define OMAP3430_PRM_VP1_VOLTAGE OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00c0)
95#define OMAP3_PRM_VP1_STATUS_OFFSET 0x00c4
96#define OMAP3430_PRM_VP1_STATUS OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00c4)
97#define OMAP3_PRM_VP2_CONFIG_OFFSET 0x00d0
98#define OMAP3430_PRM_VP2_CONFIG OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00d0)
99#define OMAP3_PRM_VP2_VSTEPMIN_OFFSET 0x00d4
100#define OMAP3430_PRM_VP2_VSTEPMIN OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00d4)
101#define OMAP3_PRM_VP2_VSTEPMAX_OFFSET 0x00d8
102#define OMAP3430_PRM_VP2_VSTEPMAX OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00d8)
103#define OMAP3_PRM_VP2_VLIMITTO_OFFSET 0x00dc
104#define OMAP3430_PRM_VP2_VLIMITTO OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00dc)
105#define OMAP3_PRM_VP2_VOLTAGE_OFFSET 0x00e0
106#define OMAP3430_PRM_VP2_VOLTAGE OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00e0)
107#define OMAP3_PRM_VP2_STATUS_OFFSET 0x00e4
108#define OMAP3430_PRM_VP2_STATUS OMAP34XX_PRM_REGADDR(OMAP3430_GR_MOD, 0x00e4)
109
110#define OMAP3_PRM_CLKSEL_OFFSET 0x0040
111#define OMAP3430_PRM_CLKSEL OMAP34XX_PRM_REGADDR(OMAP3430_CCR_MOD, 0x0040)
112#define OMAP3_PRM_CLKOUT_CTRL_OFFSET 0x0070
113#define OMAP3430_PRM_CLKOUT_CTRL OMAP34XX_PRM_REGADDR(OMAP3430_CCR_MOD, 0x0070)
114
115/* OMAP3 specific register offsets */
116#define OMAP3430ES2_PM_WKEN3 0x00f0
117#define OMAP3430ES2_PM_WKST3 0x00b8
118
119#define OMAP3430_PM_MPUGRPSEL 0x00a4
120#define OMAP3430_PM_MPUGRPSEL1 OMAP3430_PM_MPUGRPSEL
121#define OMAP3430ES2_PM_MPUGRPSEL3 0x00f8
122
123#define OMAP3430_PM_IVAGRPSEL 0x00a8
124#define OMAP3430_PM_IVAGRPSEL1 OMAP3430_PM_IVAGRPSEL
125#define OMAP3430ES2_PM_IVAGRPSEL3 0x00f4
126
127#define OMAP3430_PM_PREPWSTST 0x00e8
128
129#define OMAP3430_PRM_IRQSTATUS_IVA2 0x00f8
130#define OMAP3430_PRM_IRQENABLE_IVA2 0x00fc
131
132
133#ifndef __ASSEMBLER__
134
135/* OMAP3-specific VP functions */
136u32 omap3_prm_vp_check_txdone(u8 vp_id);
137void omap3_prm_vp_clear_txdone(u8 vp_id);
138
139/*
140 * OMAP3 access functions for voltage controller (VC) and
141 * voltage proccessor (VP) in the PRM.
142 */
143extern u32 omap3_prm_vcvp_read(u8 offset);
144extern void omap3_prm_vcvp_write(u32 val, u8 offset);
145extern u32 omap3_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset);
146
147extern void omap3xxx_prm_reconfigure_io_chain(void);
148
149/* PRM interrupt-related functions */
150extern void omap3xxx_prm_read_pending_irqs(unsigned long *events);
151extern void omap3xxx_prm_ocp_barrier(void);
152extern void omap3xxx_prm_save_and_clear_irqen(u32 *saved_mask);
153extern void omap3xxx_prm_restore_irqen(u32 *saved_mask);
154
155extern void omap3xxx_prm_dpll3_reset(void);
156
157extern u32 omap3xxx_prm_get_reset_sources(void);
158
159#endif /* __ASSEMBLER */
160
161
162#endif
diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c
index f0c4d5f4a174..6d3467af205d 100644
--- a/arch/arm/mach-omap2/prm44xx.c
+++ b/arch/arm/mach-omap2/prm44xx.c
@@ -1,10 +1,11 @@
1/* 1/*
2 * OMAP4 PRM module functions 2 * OMAP4 PRM module functions
3 * 3 *
4 * Copyright (C) 2011 Texas Instruments, Inc. 4 * Copyright (C) 2011-2012 Texas Instruments, Inc.
5 * Copyright (C) 2010 Nokia Corporation 5 * Copyright (C) 2010 Nokia Corporation
6 * Benoît Cousson 6 * Benoît Cousson
7 * Paul Walmsley 7 * Paul Walmsley
8 * Rajendra Nayak <rnayak@ti.com>
8 * 9 *
9 * This program is free software; you can redistribute it and/or modify 10 * 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 * it under the terms of the GNU General Public License version 2 as
@@ -17,7 +18,6 @@
17#include <linux/err.h> 18#include <linux/err.h>
18#include <linux/io.h> 19#include <linux/io.h>
19 20
20#include <plat/prcm.h>
21 21
22#include "soc.h" 22#include "soc.h"
23#include "iomap.h" 23#include "iomap.h"
@@ -27,6 +27,9 @@
27#include "prm-regbits-44xx.h" 27#include "prm-regbits-44xx.h"
28#include "prcm44xx.h" 28#include "prcm44xx.h"
29#include "prminst44xx.h" 29#include "prminst44xx.h"
30#include "powerdomain.h"
31
32/* Static data */
30 33
31static const struct omap_prcm_irq omap4_prcm_irqs[] = { 34static const struct omap_prcm_irq omap4_prcm_irqs[] = {
32 OMAP_PRCM_IRQ("wkup", 0, 0), 35 OMAP_PRCM_IRQ("wkup", 0, 0),
@@ -46,6 +49,33 @@ static struct omap_prcm_irq_setup omap4_prcm_irq_setup = {
46 .restore_irqen = &omap44xx_prm_restore_irqen, 49 .restore_irqen = &omap44xx_prm_restore_irqen,
47}; 50};
48 51
52/*
53 * omap44xx_prm_reset_src_map - map from bits in the PRM_RSTST
54 * hardware register (which are specific to OMAP44xx SoCs) to reset
55 * source ID bit shifts (which is an OMAP SoC-independent
56 * enumeration)
57 */
58static struct prm_reset_src_map omap44xx_prm_reset_src_map[] = {
59 { OMAP4430_RST_GLOBAL_WARM_SW_SHIFT,
60 OMAP_GLOBAL_WARM_RST_SRC_ID_SHIFT },
61 { OMAP4430_RST_GLOBAL_COLD_SW_SHIFT,
62 OMAP_GLOBAL_COLD_RST_SRC_ID_SHIFT },
63 { OMAP4430_MPU_SECURITY_VIOL_RST_SHIFT,
64 OMAP_SECU_VIOL_RST_SRC_ID_SHIFT },
65 { OMAP4430_MPU_WDT_RST_SHIFT, OMAP_MPU_WD_RST_SRC_ID_SHIFT },
66 { OMAP4430_SECURE_WDT_RST_SHIFT, OMAP_SECU_WD_RST_SRC_ID_SHIFT },
67 { OMAP4430_EXTERNAL_WARM_RST_SHIFT, OMAP_EXTWARM_RST_SRC_ID_SHIFT },
68 { OMAP4430_VDD_MPU_VOLT_MGR_RST_SHIFT,
69 OMAP_VDD_MPU_VM_RST_SRC_ID_SHIFT },
70 { OMAP4430_VDD_IVA_VOLT_MGR_RST_SHIFT,
71 OMAP_VDD_IVA_VM_RST_SRC_ID_SHIFT },
72 { OMAP4430_VDD_CORE_VOLT_MGR_RST_SHIFT,
73 OMAP_VDD_CORE_VM_RST_SRC_ID_SHIFT },
74 { OMAP4430_ICEPICK_RST_SHIFT, OMAP_ICEPICK_RST_SRC_ID_SHIFT },
75 { OMAP4430_C2C_RST_SHIFT, OMAP_C2C_RST_SRC_ID_SHIFT },
76 { -1, -1 },
77};
78
49/* PRM low-level functions */ 79/* PRM low-level functions */
50 80
51/* Read a register in a CM/PRM instance in the PRM module */ 81/* Read a register in a CM/PRM instance in the PRM module */
@@ -291,12 +321,324 @@ static void __init omap44xx_prm_enable_io_wakeup(void)
291 OMAP4_PRM_IO_PMCTRL_OFFSET); 321 OMAP4_PRM_IO_PMCTRL_OFFSET);
292} 322}
293 323
294static int __init omap4xxx_prcm_init(void) 324/**
325 * omap44xx_prm_read_reset_sources - return the last SoC reset source
326 *
327 * Return a u32 representing the last reset sources of the SoC. The
328 * returned reset source bits are standardized across OMAP SoCs.
329 */
330static u32 omap44xx_prm_read_reset_sources(void)
331{
332 struct prm_reset_src_map *p;
333 u32 r = 0;
334 u32 v;
335
336 v = omap4_prm_read_inst_reg(OMAP4430_PRM_OCP_SOCKET_INST,
337 OMAP4_RM_RSTST);
338
339 p = omap44xx_prm_reset_src_map;
340 while (p->reg_shift >= 0 && p->std_shift >= 0) {
341 if (v & (1 << p->reg_shift))
342 r |= 1 << p->std_shift;
343 p++;
344 }
345
346 return r;
347}
348
349/* Powerdomain low-level functions */
350
351static int omap4_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst)
352{
353 omap4_prminst_rmw_inst_reg_bits(OMAP_POWERSTATE_MASK,
354 (pwrst << OMAP_POWERSTATE_SHIFT),
355 pwrdm->prcm_partition,
356 pwrdm->prcm_offs, OMAP4_PM_PWSTCTRL);
357 return 0;
358}
359
360static int omap4_pwrdm_read_next_pwrst(struct powerdomain *pwrdm)
361{
362 u32 v;
363
364 v = omap4_prminst_read_inst_reg(pwrdm->prcm_partition, pwrdm->prcm_offs,
365 OMAP4_PM_PWSTCTRL);
366 v &= OMAP_POWERSTATE_MASK;
367 v >>= OMAP_POWERSTATE_SHIFT;
368
369 return v;
370}
371
372static int omap4_pwrdm_read_pwrst(struct powerdomain *pwrdm)
373{
374 u32 v;
375
376 v = omap4_prminst_read_inst_reg(pwrdm->prcm_partition, pwrdm->prcm_offs,
377 OMAP4_PM_PWSTST);
378 v &= OMAP_POWERSTATEST_MASK;
379 v >>= OMAP_POWERSTATEST_SHIFT;
380
381 return v;
382}
383
384static int omap4_pwrdm_read_prev_pwrst(struct powerdomain *pwrdm)
385{
386 u32 v;
387
388 v = omap4_prminst_read_inst_reg(pwrdm->prcm_partition, pwrdm->prcm_offs,
389 OMAP4_PM_PWSTST);
390 v &= OMAP4430_LASTPOWERSTATEENTERED_MASK;
391 v >>= OMAP4430_LASTPOWERSTATEENTERED_SHIFT;
392
393 return v;
394}
395
396static int omap4_pwrdm_set_lowpwrstchange(struct powerdomain *pwrdm)
397{
398 omap4_prminst_rmw_inst_reg_bits(OMAP4430_LOWPOWERSTATECHANGE_MASK,
399 (1 << OMAP4430_LOWPOWERSTATECHANGE_SHIFT),
400 pwrdm->prcm_partition,
401 pwrdm->prcm_offs, OMAP4_PM_PWSTCTRL);
402 return 0;
403}
404
405static int omap4_pwrdm_clear_all_prev_pwrst(struct powerdomain *pwrdm)
406{
407 omap4_prminst_rmw_inst_reg_bits(OMAP4430_LASTPOWERSTATEENTERED_MASK,
408 OMAP4430_LASTPOWERSTATEENTERED_MASK,
409 pwrdm->prcm_partition,
410 pwrdm->prcm_offs, OMAP4_PM_PWSTST);
411 return 0;
412}
413
414static int omap4_pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst)
415{
416 u32 v;
417
418 v = pwrst << __ffs(OMAP4430_LOGICRETSTATE_MASK);
419 omap4_prminst_rmw_inst_reg_bits(OMAP4430_LOGICRETSTATE_MASK, v,
420 pwrdm->prcm_partition, pwrdm->prcm_offs,
421 OMAP4_PM_PWSTCTRL);
422
423 return 0;
424}
425
426static int omap4_pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank,
427 u8 pwrst)
428{
429 u32 m;
430
431 m = omap2_pwrdm_get_mem_bank_onstate_mask(bank);
432
433 omap4_prminst_rmw_inst_reg_bits(m, (pwrst << __ffs(m)),
434 pwrdm->prcm_partition, pwrdm->prcm_offs,
435 OMAP4_PM_PWSTCTRL);
436
437 return 0;
438}
439
440static int omap4_pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank,
441 u8 pwrst)
442{
443 u32 m;
444
445 m = omap2_pwrdm_get_mem_bank_retst_mask(bank);
446
447 omap4_prminst_rmw_inst_reg_bits(m, (pwrst << __ffs(m)),
448 pwrdm->prcm_partition, pwrdm->prcm_offs,
449 OMAP4_PM_PWSTCTRL);
450
451 return 0;
452}
453
454static int omap4_pwrdm_read_logic_pwrst(struct powerdomain *pwrdm)
455{
456 u32 v;
457
458 v = omap4_prminst_read_inst_reg(pwrdm->prcm_partition, pwrdm->prcm_offs,
459 OMAP4_PM_PWSTST);
460 v &= OMAP4430_LOGICSTATEST_MASK;
461 v >>= OMAP4430_LOGICSTATEST_SHIFT;
462
463 return v;
464}
465
466static int omap4_pwrdm_read_logic_retst(struct powerdomain *pwrdm)
295{ 467{
296 if (cpu_is_omap44xx()) { 468 u32 v;
297 omap44xx_prm_enable_io_wakeup(); 469
298 return omap_prcm_register_chain_handler(&omap4_prcm_irq_setup); 470 v = omap4_prminst_read_inst_reg(pwrdm->prcm_partition, pwrdm->prcm_offs,
471 OMAP4_PM_PWSTCTRL);
472 v &= OMAP4430_LOGICRETSTATE_MASK;
473 v >>= OMAP4430_LOGICRETSTATE_SHIFT;
474
475 return v;
476}
477
478/**
479 * omap4_pwrdm_read_prev_logic_pwrst - read the previous logic powerstate
480 * @pwrdm: struct powerdomain * to read the state for
481 *
482 * Reads the previous logic powerstate for a powerdomain. This
483 * function must determine the previous logic powerstate by first
484 * checking the previous powerstate for the domain. If that was OFF,
485 * then logic has been lost. If previous state was RETENTION, the
486 * function reads the setting for the next retention logic state to
487 * see the actual value. In every other case, the logic is
488 * retained. Returns either PWRDM_POWER_OFF or PWRDM_POWER_RET
489 * depending whether the logic was retained or not.
490 */
491static int omap4_pwrdm_read_prev_logic_pwrst(struct powerdomain *pwrdm)
492{
493 int state;
494
495 state = omap4_pwrdm_read_prev_pwrst(pwrdm);
496
497 if (state == PWRDM_POWER_OFF)
498 return PWRDM_POWER_OFF;
499
500 if (state != PWRDM_POWER_RET)
501 return PWRDM_POWER_RET;
502
503 return omap4_pwrdm_read_logic_retst(pwrdm);
504}
505
506static int omap4_pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank)
507{
508 u32 m, v;
509
510 m = omap2_pwrdm_get_mem_bank_stst_mask(bank);
511
512 v = omap4_prminst_read_inst_reg(pwrdm->prcm_partition, pwrdm->prcm_offs,
513 OMAP4_PM_PWSTST);
514 v &= m;
515 v >>= __ffs(m);
516
517 return v;
518}
519
520static int omap4_pwrdm_read_mem_retst(struct powerdomain *pwrdm, u8 bank)
521{
522 u32 m, v;
523
524 m = omap2_pwrdm_get_mem_bank_retst_mask(bank);
525
526 v = omap4_prminst_read_inst_reg(pwrdm->prcm_partition, pwrdm->prcm_offs,
527 OMAP4_PM_PWSTCTRL);
528 v &= m;
529 v >>= __ffs(m);
530
531 return v;
532}
533
534/**
535 * omap4_pwrdm_read_prev_mem_pwrst - reads the previous memory powerstate
536 * @pwrdm: struct powerdomain * to read mem powerstate for
537 * @bank: memory bank index
538 *
539 * Reads the previous memory powerstate for a powerdomain. This
540 * function must determine the previous memory powerstate by first
541 * checking the previous powerstate for the domain. If that was OFF,
542 * then logic has been lost. If previous state was RETENTION, the
543 * function reads the setting for the next memory retention state to
544 * see the actual value. In every other case, the logic is
545 * retained. Returns either PWRDM_POWER_OFF or PWRDM_POWER_RET
546 * depending whether logic was retained or not.
547 */
548static int omap4_pwrdm_read_prev_mem_pwrst(struct powerdomain *pwrdm, u8 bank)
549{
550 int state;
551
552 state = omap4_pwrdm_read_prev_pwrst(pwrdm);
553
554 if (state == PWRDM_POWER_OFF)
555 return PWRDM_POWER_OFF;
556
557 if (state != PWRDM_POWER_RET)
558 return PWRDM_POWER_RET;
559
560 return omap4_pwrdm_read_mem_retst(pwrdm, bank);
561}
562
563static int omap4_pwrdm_wait_transition(struct powerdomain *pwrdm)
564{
565 u32 c = 0;
566
567 /*
568 * REVISIT: pwrdm_wait_transition() may be better implemented
569 * via a callback and a periodic timer check -- how long do we expect
570 * powerdomain transitions to take?
571 */
572
573 /* XXX Is this udelay() value meaningful? */
574 while ((omap4_prminst_read_inst_reg(pwrdm->prcm_partition,
575 pwrdm->prcm_offs,
576 OMAP4_PM_PWSTST) &
577 OMAP_INTRANSITION_MASK) &&
578 (c++ < PWRDM_TRANSITION_BAILOUT))
579 udelay(1);
580
581 if (c > PWRDM_TRANSITION_BAILOUT) {
582 pr_err("powerdomain: %s: waited too long to complete transition\n",
583 pwrdm->name);
584 return -EAGAIN;
299 } 585 }
586
587 pr_debug("powerdomain: completed transition in %d loops\n", c);
588
300 return 0; 589 return 0;
301} 590}
302subsys_initcall(omap4xxx_prcm_init); 591
592struct pwrdm_ops omap4_pwrdm_operations = {
593 .pwrdm_set_next_pwrst = omap4_pwrdm_set_next_pwrst,
594 .pwrdm_read_next_pwrst = omap4_pwrdm_read_next_pwrst,
595 .pwrdm_read_pwrst = omap4_pwrdm_read_pwrst,
596 .pwrdm_read_prev_pwrst = omap4_pwrdm_read_prev_pwrst,
597 .pwrdm_set_lowpwrstchange = omap4_pwrdm_set_lowpwrstchange,
598 .pwrdm_clear_all_prev_pwrst = omap4_pwrdm_clear_all_prev_pwrst,
599 .pwrdm_set_logic_retst = omap4_pwrdm_set_logic_retst,
600 .pwrdm_read_logic_pwrst = omap4_pwrdm_read_logic_pwrst,
601 .pwrdm_read_prev_logic_pwrst = omap4_pwrdm_read_prev_logic_pwrst,
602 .pwrdm_read_logic_retst = omap4_pwrdm_read_logic_retst,
603 .pwrdm_read_mem_pwrst = omap4_pwrdm_read_mem_pwrst,
604 .pwrdm_read_mem_retst = omap4_pwrdm_read_mem_retst,
605 .pwrdm_read_prev_mem_pwrst = omap4_pwrdm_read_prev_mem_pwrst,
606 .pwrdm_set_mem_onst = omap4_pwrdm_set_mem_onst,
607 .pwrdm_set_mem_retst = omap4_pwrdm_set_mem_retst,
608 .pwrdm_wait_transition = omap4_pwrdm_wait_transition,
609};
610
611/*
612 * XXX document
613 */
614static struct prm_ll_data omap44xx_prm_ll_data = {
615 .read_reset_sources = &omap44xx_prm_read_reset_sources,
616};
617
618static int __init omap44xx_prm_init(void)
619{
620 int ret;
621
622 if (!cpu_is_omap44xx())
623 return 0;
624
625 ret = prm_register(&omap44xx_prm_ll_data);
626 if (ret)
627 return ret;
628
629 omap44xx_prm_enable_io_wakeup();
630
631 return omap_prcm_register_chain_handler(&omap4_prcm_irq_setup);
632}
633subsys_initcall(omap44xx_prm_init);
634
635static void __exit omap44xx_prm_exit(void)
636{
637 if (!cpu_is_omap44xx())
638 return;
639
640 /* Should never happen */
641 WARN(prm_unregister(&omap44xx_prm_ll_data),
642 "%s: prm_ll_data function pointer mismatch\n", __func__);
643}
644__exitcall(omap44xx_prm_exit);
diff --git a/arch/arm/mach-omap2/prm44xx.h b/arch/arm/mach-omap2/prm44xx.h
index ee72ae6bd8c9..c8e1accdc90e 100644
--- a/arch/arm/mach-omap2/prm44xx.h
+++ b/arch/arm/mach-omap2/prm44xx.h
@@ -771,6 +771,8 @@ extern void omap44xx_prm_ocp_barrier(void);
771extern void omap44xx_prm_save_and_clear_irqen(u32 *saved_mask); 771extern void omap44xx_prm_save_and_clear_irqen(u32 *saved_mask);
772extern void omap44xx_prm_restore_irqen(u32 *saved_mask); 772extern void omap44xx_prm_restore_irqen(u32 *saved_mask);
773 773
774extern u32 omap44xx_prm_get_reset_sources(void);
775
774# endif 776# endif
775 777
776#endif 778#endif
diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c
index 3442227d3f0b..f596e1e91ffd 100644
--- a/arch/arm/mach-omap2/prm_common.c
+++ b/arch/arm/mach-omap2/prm_common.c
@@ -24,10 +24,11 @@
24#include <linux/interrupt.h> 24#include <linux/interrupt.h>
25#include <linux/slab.h> 25#include <linux/slab.h>
26 26
27#include <plat/prcm.h>
28
29#include "prm2xxx_3xxx.h" 27#include "prm2xxx_3xxx.h"
28#include "prm2xxx.h"
29#include "prm3xxx.h"
30#include "prm44xx.h" 30#include "prm44xx.h"
31#include "common.h"
31 32
32/* 33/*
33 * OMAP_PRCM_MAX_NR_PENDING_REG: maximum number of PRM_IRQ*_MPU regs 34 * OMAP_PRCM_MAX_NR_PENDING_REG: maximum number of PRM_IRQ*_MPU regs
@@ -52,6 +53,16 @@ static struct irq_chip_generic **prcm_irq_chips;
52 */ 53 */
53static struct omap_prcm_irq_setup *prcm_irq_setup; 54static struct omap_prcm_irq_setup *prcm_irq_setup;
54 55
56/* prm_base: base virtual address of the PRM IP block */
57void __iomem *prm_base;
58
59/*
60 * prm_ll_data: function pointers to SoC-specific implementations of
61 * common PRM functions
62 */
63static struct prm_ll_data null_prm_ll_data;
64static struct prm_ll_data *prm_ll_data = &null_prm_ll_data;
65
55/* Private functions */ 66/* Private functions */
56 67
57/* 68/*
@@ -318,64 +329,82 @@ err:
318 return -ENOMEM; 329 return -ENOMEM;
319} 330}
320 331
321/* 332/**
322 * Stubbed functions so that common files continue to build when 333 * omap2_set_globals_prm - set the PRM base address (for early use)
323 * custom builds are used 334 * @prm: PRM base virtual address
324 * XXX These are temporary and should be removed at the earliest possible 335 *
325 * opportunity 336 * XXX Will be replaced when the PRM/CM drivers are completed.
326 */ 337 */
327u32 __weak omap2_prm_read_mod_reg(s16 module, u16 idx) 338void __init omap2_set_globals_prm(void __iomem *prm)
328{ 339{
329 WARN(1, "prm: omap2xxx/omap3xxx specific function called on non-omap2xxx/3xxx\n"); 340 prm_base = prm;
330 return 0;
331} 341}
332 342
333void __weak omap2_prm_write_mod_reg(u32 val, s16 module, u16 idx) 343/**
344 * prm_read_reset_sources - return the sources of the SoC's last reset
345 *
346 * Return a u32 bitmask representing the reset sources that caused the
347 * SoC to reset. The low-level per-SoC functions called by this
348 * function remap the SoC-specific reset source bits into an
349 * OMAP-common set of reset source bits, defined in
350 * arch/arm/mach-omap2/prm.h. Returns the standardized reset source
351 * u32 bitmask from the hardware upon success, or returns (1 <<
352 * OMAP_UNKNOWN_RST_SRC_ID_SHIFT) if no low-level read_reset_sources()
353 * function was registered.
354 */
355u32 prm_read_reset_sources(void)
334{ 356{
335 WARN(1, "prm: omap2xxx/omap3xxx specific function called on non-omap2xxx/3xxx\n"); 357 u32 ret = 1 << OMAP_UNKNOWN_RST_SRC_ID_SHIFT;
336}
337 358
338u32 __weak omap2_prm_rmw_mod_reg_bits(u32 mask, u32 bits, 359 if (prm_ll_data->read_reset_sources)
339 s16 module, s16 idx) 360 ret = prm_ll_data->read_reset_sources();
340{ 361 else
341 WARN(1, "prm: omap2xxx/omap3xxx specific function called on non-omap2xxx/3xxx\n"); 362 WARN_ONCE(1, "prm: %s: no mapping function defined for reset sources\n", __func__);
342 return 0;
343}
344 363
345u32 __weak omap2_prm_set_mod_reg_bits(u32 bits, s16 module, s16 idx) 364 return ret;
346{
347 WARN(1, "prm: omap2xxx/omap3xxx specific function called on non-omap2xxx/3xxx\n");
348 return 0;
349} 365}
350 366
351u32 __weak omap2_prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx) 367/**
368 * prm_register - register per-SoC low-level data with the PRM
369 * @pld: low-level per-SoC OMAP PRM data & function pointers to register
370 *
371 * Register per-SoC low-level OMAP PRM data and function pointers with
372 * the OMAP PRM common interface. The caller must keep the data
373 * pointed to by @pld valid until it calls prm_unregister() and
374 * it returns successfully. Returns 0 upon success, -EINVAL if @pld
375 * is NULL, or -EEXIST if prm_register() has already been called
376 * without an intervening prm_unregister().
377 */
378int prm_register(struct prm_ll_data *pld)
352{ 379{
353 WARN(1, "prm: omap2xxx/omap3xxx specific function called on non-omap2xxx/3xxx\n"); 380 if (!pld)
354 return 0; 381 return -EINVAL;
355}
356 382
357u32 __weak omap2_prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask) 383 if (prm_ll_data != &null_prm_ll_data)
358{ 384 return -EEXIST;
359 WARN(1, "prm: omap2xxx/omap3xxx specific function called on non-omap2xxx/3xxx\n");
360 return 0;
361}
362 385
363int __weak omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift) 386 prm_ll_data = pld;
364{
365 WARN(1, "prm: omap2xxx/omap3xxx specific function called on non-omap2xxx/3xxx\n");
366 return 0;
367}
368 387
369int __weak omap2_prm_assert_hardreset(s16 prm_mod, u8 shift)
370{
371 WARN(1, "prm: omap2xxx/omap3xxx specific function called on non-omap2xxx/3xxx\n");
372 return 0; 388 return 0;
373} 389}
374 390
375int __weak omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, 391/**
376 u8 st_shift) 392 * prm_unregister - unregister per-SoC low-level data & function pointers
393 * @pld: low-level per-SoC OMAP PRM data & function pointers to unregister
394 *
395 * Unregister per-SoC low-level OMAP PRM data and function pointers
396 * that were previously registered with prm_register(). The
397 * caller may not destroy any of the data pointed to by @pld until
398 * this function returns successfully. Returns 0 upon success, or
399 * -EINVAL if @pld is NULL or if @pld does not match the struct
400 * prm_ll_data * previously registered by prm_register().
401 */
402int prm_unregister(struct prm_ll_data *pld)
377{ 403{
378 WARN(1, "prm: omap2xxx/omap3xxx specific function called on non-omap2xxx/3xxx\n"); 404 if (!pld || prm_ll_data != pld)
405 return -EINVAL;
406
407 prm_ll_data = &null_prm_ll_data;
408
379 return 0; 409 return 0;
380} 410}
381
diff --git a/arch/arm/mach-omap2/prminst44xx.h b/arch/arm/mach-omap2/prminst44xx.h
index 46f2efb36596..a2ede2d65481 100644
--- a/arch/arm/mach-omap2/prminst44xx.h
+++ b/arch/arm/mach-omap2/prminst44xx.h
@@ -30,4 +30,6 @@ extern int omap4_prminst_assert_hardreset(u8 shift, u8 part, s16 inst,
30extern int omap4_prminst_deassert_hardreset(u8 shift, u8 part, s16 inst, 30extern int omap4_prminst_deassert_hardreset(u8 shift, u8 part, s16 inst,
31 u16 rstctrl_offs); 31 u16 rstctrl_offs);
32 32
33extern void omap_prm_base_init(void);
34
33#endif 35#endif
diff --git a/arch/arm/mach-omap2/sdrc.c b/arch/arm/mach-omap2/sdrc.c
index c64ee1904be8..dae7e4804a48 100644
--- a/arch/arm/mach-omap2/sdrc.c
+++ b/arch/arm/mach-omap2/sdrc.c
@@ -112,12 +112,10 @@ int omap2_sdrc_get_params(unsigned long r,
112} 112}
113 113
114 114
115void __init omap2_set_globals_sdrc(struct omap_globals *omap2_globals) 115void __init omap2_set_globals_sdrc(void __iomem *sdrc, void __iomem *sms)
116{ 116{
117 if (omap2_globals->sdrc) 117 omap2_sdrc_base = sdrc;
118 omap2_sdrc_base = omap2_globals->sdrc; 118 omap2_sms_base = sms;
119 if (omap2_globals->sms)
120 omap2_sms_base = omap2_globals->sms;
121} 119}
122 120
123/** 121/**
diff --git a/arch/arm/mach-omap2/sdrc.h b/arch/arm/mach-omap2/sdrc.h
index 69c4b329452e..446aa13511fd 100644
--- a/arch/arm/mach-omap2/sdrc.h
+++ b/arch/arm/mach-omap2/sdrc.h
@@ -51,6 +51,8 @@ static inline u32 sms_read_reg(u16 reg)
51 return __raw_readl(OMAP_SMS_REGADDR(reg)); 51 return __raw_readl(OMAP_SMS_REGADDR(reg));
52} 52}
53 53
54extern void omap2_set_globals_sdrc(void __iomem *sdrc, void __iomem *sms);
55
54 56
55/** 57/**
56 * struct omap_sdrc_params - SDRC parameters for a given SDRC clock rate 58 * struct omap_sdrc_params - SDRC parameters for a given SDRC clock rate
diff --git a/arch/arm/mach-omap2/sdrc2xxx.c b/arch/arm/mach-omap2/sdrc2xxx.c
index 20cc950db4de..907291714643 100644
--- a/arch/arm/mach-omap2/sdrc2xxx.c
+++ b/arch/arm/mach-omap2/sdrc2xxx.c
@@ -27,7 +27,7 @@
27#include "soc.h" 27#include "soc.h"
28#include "iomap.h" 28#include "iomap.h"
29#include "common.h" 29#include "common.h"
30#include "prm2xxx_3xxx.h" 30#include "prm2xxx.h"
31#include "clock.h" 31#include "clock.h"
32#include "sdrc.h" 32#include "sdrc.h"
33#include "sram.h" 33#include "sram.h"
diff --git a/arch/arm/mach-omap2/sleep34xx.S b/arch/arm/mach-omap2/sleep34xx.S
index 7046c3c67181..d1dedc8195ed 100644
--- a/arch/arm/mach-omap2/sleep34xx.S
+++ b/arch/arm/mach-omap2/sleep34xx.S
@@ -28,8 +28,8 @@
28 28
29#include "omap34xx.h" 29#include "omap34xx.h"
30#include "iomap.h" 30#include "iomap.h"
31#include "cm2xxx_3xxx.h" 31#include "cm3xxx.h"
32#include "prm2xxx_3xxx.h" 32#include "prm3xxx.h"
33#include "sdrc.h" 33#include "sdrc.h"
34#include "sram.h" 34#include "sram.h"
35#include "control.h" 35#include "control.h"
diff --git a/arch/arm/mach-omap2/sram242x.S b/arch/arm/mach-omap2/sram242x.S
index 8f7326cd435b..680a7c56cc3e 100644
--- a/arch/arm/mach-omap2/sram242x.S
+++ b/arch/arm/mach-omap2/sram242x.S
@@ -34,8 +34,8 @@
34 34
35#include "soc.h" 35#include "soc.h"
36#include "iomap.h" 36#include "iomap.h"
37#include "prm2xxx_3xxx.h" 37#include "prm2xxx.h"
38#include "cm2xxx_3xxx.h" 38#include "cm2xxx.h"
39#include "sdrc.h" 39#include "sdrc.h"
40 40
41 .text 41 .text
diff --git a/arch/arm/mach-omap2/sram243x.S b/arch/arm/mach-omap2/sram243x.S
index b140d6578529..a1e9edd673f4 100644
--- a/arch/arm/mach-omap2/sram243x.S
+++ b/arch/arm/mach-omap2/sram243x.S
@@ -34,8 +34,8 @@
34 34
35#include "soc.h" 35#include "soc.h"
36#include "iomap.h" 36#include "iomap.h"
37#include "prm2xxx_3xxx.h" 37#include "prm2xxx.h"
38#include "cm2xxx_3xxx.h" 38#include "cm2xxx.h"
39#include "sdrc.h" 39#include "sdrc.h"
40 40
41 .text 41 .text
diff --git a/arch/arm/mach-omap2/sram34xx.S b/arch/arm/mach-omap2/sram34xx.S
index 2d0ceaa23fb8..1446331b576a 100644
--- a/arch/arm/mach-omap2/sram34xx.S
+++ b/arch/arm/mach-omap2/sram34xx.S
@@ -32,7 +32,7 @@
32#include "soc.h" 32#include "soc.h"
33#include "iomap.h" 33#include "iomap.h"
34#include "sdrc.h" 34#include "sdrc.h"
35#include "cm2xxx_3xxx.h" 35#include "cm3xxx.h"
36 36
37/* 37/*
38 * This file needs be built unconditionally as ARM to interoperate correctly 38 * This file needs be built unconditionally as ARM to interoperate correctly
diff --git a/arch/arm/mach-omap2/ti81xx.h b/arch/arm/mach-omap2/ti81xx.h
index 8f9843f78422..a1e6caf0dba6 100644
--- a/arch/arm/mach-omap2/ti81xx.h
+++ b/arch/arm/mach-omap2/ti81xx.h
@@ -22,6 +22,15 @@
22#define TI81XX_CTRL_BASE TI81XX_SCM_BASE 22#define TI81XX_CTRL_BASE TI81XX_SCM_BASE
23#define TI81XX_PRCM_BASE 0x48180000 23#define TI81XX_PRCM_BASE 0x48180000
24 24
25/*
26 * Adjust TAP register base such that omap3_check_revision accesses the correct
27 * TI81XX register for checking device ID (it adds 0x204 to tap base while
28 * TI81XX DEVICE ID register is at offset 0x600 from control base).
29 */
30#define TI81XX_TAP_BASE (TI81XX_CTRL_BASE + \
31 TI81XX_CONTROL_DEVICE_ID - 0x204)
32
33
25#define TI81XX_ARM_INTC_BASE 0x48200000 34#define TI81XX_ARM_INTC_BASE 0x48200000
26 35
27#endif /* __ASM_ARCH_TI81XX_H */ 36#endif /* __ASM_ARCH_TI81XX_H */
diff --git a/arch/arm/mach-omap2/wd_timer.c b/arch/arm/mach-omap2/wd_timer.c
index f6b6c37ac3f4..7c2b4ed38f02 100644
--- a/arch/arm/mach-omap2/wd_timer.c
+++ b/arch/arm/mach-omap2/wd_timer.c
@@ -1,6 +1,8 @@
1/* 1/*
2 * OMAP2+ MPU WD_TIMER-specific code 2 * OMAP2+ MPU WD_TIMER-specific code
3 * 3 *
4 * Copyright (C) 2012 Texas Instruments, Inc.
5 *
4 * This program is free software; you can redistribute it and/or modify 6 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 7 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or 8 * the Free Software Foundation; either version 2 of the License, or
@@ -11,10 +13,14 @@
11#include <linux/io.h> 13#include <linux/io.h>
12#include <linux/err.h> 14#include <linux/err.h>
13 15
14#include "omap_hwmod.h" 16#include <linux/platform_data/omap-wd-timer.h>
15 17
18#include "omap_hwmod.h"
19#include "omap_device.h"
16#include "wd_timer.h" 20#include "wd_timer.h"
17#include "common.h" 21#include "common.h"
22#include "prm.h"
23#include "soc.h"
18 24
19/* 25/*
20 * In order to avoid any assumptions from bootloader regarding WDT 26 * In order to avoid any assumptions from bootloader regarding WDT
@@ -26,9 +32,6 @@
26#define OMAP_WDT_WPS 0x34 32#define OMAP_WDT_WPS 0x34
27#define OMAP_WDT_SPR 0x48 33#define OMAP_WDT_SPR 0x48
28 34
29/* Maximum microseconds to wait for OMAP module to softreset */
30#define MAX_MODULE_SOFTRESET_WAIT 10000
31
32int omap2_wd_timer_disable(struct omap_hwmod *oh) 35int omap2_wd_timer_disable(struct omap_hwmod *oh)
33{ 36{
34 void __iomem *base; 37 void __iomem *base;
@@ -99,3 +102,32 @@ int omap2_wd_timer_reset(struct omap_hwmod *oh)
99 return (c == MAX_MODULE_SOFTRESET_WAIT) ? -ETIMEDOUT : 102 return (c == MAX_MODULE_SOFTRESET_WAIT) ? -ETIMEDOUT :
100 omap2_wd_timer_disable(oh); 103 omap2_wd_timer_disable(oh);
101} 104}
105
106static int __init omap_init_wdt(void)
107{
108 int id = -1;
109 struct platform_device *pdev;
110 struct omap_hwmod *oh;
111 char *oh_name = "wd_timer2";
112 char *dev_name = "omap_wdt";
113 struct omap_wd_timer_platform_data pdata;
114
115 if (!cpu_class_is_omap2() || of_have_populated_dt())
116 return 0;
117
118 oh = omap_hwmod_lookup(oh_name);
119 if (!oh) {
120 pr_err("Could not look up wd_timer%d hwmod\n", id);
121 return -EINVAL;
122 }
123
124 pdata.read_reset_sources = prm_read_reset_sources;
125
126 pdev = omap_device_build(dev_name, id, oh, &pdata,
127 sizeof(struct omap_wd_timer_platform_data),
128 NULL, 0, 0);
129 WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s.\n",
130 dev_name, oh->name);
131 return 0;
132}
133subsys_initcall(omap_init_wdt);
diff --git a/arch/arm/plat-omap/include/plat/prcm.h b/arch/arm/plat-omap/include/plat/prcm.h
deleted file mode 100644
index 267f43bb2a4e..000000000000
--- a/arch/arm/plat-omap/include/plat/prcm.h
+++ /dev/null
@@ -1,37 +0,0 @@
1/*
2 * arch/arm/plat-omap/include/mach/prcm.h
3 *
4 * Access definations for use in OMAP24XX clock and power management
5 *
6 * Copyright (C) 2005 Texas Instruments, 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 as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 * XXX This file is deprecated. The PRCM is an OMAP2+-only subsystem,
23 * so this file doesn't belong in plat-omap/include/plat. Please
24 * do not add anything new to this file.
25 */
26
27#ifndef __ASM_ARM_ARCH_OMAP_PRCM_H
28#define __ASM_ARM_ARCH_OMAP_PRCM_H
29
30u32 omap_prcm_get_reset_sources(void);
31int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, u8 idlest,
32 const char *name);
33
34#endif
35
36
37