diff options
Diffstat (limited to 'arch')
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); | |||
93 | static inline int ocpi_enable(void) { return 0; } | 93 | static inline int ocpi_enable(void) { return 0; } |
94 | #endif | 94 | #endif |
95 | 95 | ||
96 | extern 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 | ||
449 | static struct platform_device omap_wdt_device = { | 451 | static 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 | ||
456 | static int __init omap_init_wdt(void) | 458 | static 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 | } |
463 | subsys_initcall(omap_init_wdt); | 478 | subsys_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 | |||
13 | void omap1_restart(char mode, const char *cmd) | 25 | void 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 | */ | ||
45 | u32 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/ | 10 | omap-2-3-common = irq.o |
11 | obj-$(CONFIG_ARCH_OMAP2) += irq.o | 11 | hwmod-common = omap_hwmod.o \ |
12 | obj-$(CONFIG_ARCH_OMAP3) += irq.o | 12 | omap_hwmod_common_data.o |
13 | obj-$(CONFIG_SOC_AM33XX) += irq.o | 13 | clock-common = clock.o clock_common_data.o \ |
14 | 14 | clkt_dpll.o clkt_clksel.o | |
15 | # Secure monitor API support | 15 | secure-common = omap-smc.o omap-secure.o |
16 | obj-$(CONFIG_ARCH_OMAP3) += omap-smc.o omap-secure.o | 16 | |
17 | obj-$(CONFIG_ARCH_OMAP4) += omap-smc.o omap-secure.o | 17 | obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(hwmod-common) |
18 | obj-$(CONFIG_SOC_OMAP5) += omap-smc.o omap-secure.o | 18 | obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common) $(hwmod-common) $(secure-common) |
19 | obj-$(CONFIG_ARCH_OMAP4) += prm44xx.o $(hwmod-common) $(secure-common) | ||
20 | obj-$(CONFIG_SOC_AM33XX) += irq.o $(hwmod-common) | ||
21 | obj-$(CONFIG_SOC_OMAP5) += prm44xx.o $(hwmod-common) $(secure-common) | ||
19 | 22 | ||
20 | ifneq ($(CONFIG_SND_OMAP_SOC_MCBSP),) | 23 | ifneq ($(CONFIG_SND_OMAP_SOC_MCBSP),) |
21 | obj-y += mcbsp.o | 24 | obj-y += mcbsp.o |
22 | endif | 25 | endif |
23 | 26 | ||
24 | obj-$(CONFIG_TWL4030_CORE) += omap_twl.o | 27 | obj-$(CONFIG_TWL4030_CORE) += omap_twl.o |
28 | obj-$(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 | ||
28 | obj-$(CONFIG_SMP) += omap-smp.o omap-headsmp.o | 32 | obj-$(CONFIG_SMP) += omap-smp.o omap-headsmp.o |
29 | obj-$(CONFIG_HOTPLUG_CPU) += omap-hotplug.o | 33 | obj-$(CONFIG_HOTPLUG_CPU) += omap-hotplug.o |
30 | obj-$(CONFIG_ARCH_OMAP4) += omap4-common.o omap-wakeupgen.o | 34 | omap-4-5-common = omap4-common.o omap-wakeupgen.o \ |
31 | obj-$(CONFIG_SOC_OMAP5) += omap4-common.o omap-wakeupgen.o | 35 | sleep44xx.o |
36 | obj-$(CONFIG_ARCH_OMAP4) += $(omap-4-5-common) | ||
37 | obj-$(CONFIG_SOC_OMAP5) += $(omap-4-5-common) | ||
32 | 38 | ||
33 | plus_sec := $(call as-instr,.arch_extension sec,+sec) | 39 | plus_sec := $(call as-instr,.arch_extension sec,+sec) |
34 | AFLAGS_omap-headsmp.o :=-Wa,-march=armv7-a$(plus_sec) | 40 | AFLAGS_omap-headsmp.o :=-Wa,-march=armv7-a$(plus_sec) |
@@ -44,6 +50,11 @@ AFLAGS_sram242x.o :=-Wa,-march=armv6 | |||
44 | AFLAGS_sram243x.o :=-Wa,-march=armv6 | 50 | AFLAGS_sram243x.o :=-Wa,-march=armv6 |
45 | AFLAGS_sram34xx.o :=-Wa,-march=armv7-a | 51 | AFLAGS_sram34xx.o :=-Wa,-march=armv7-a |
46 | 52 | ||
53 | # Restart code (OMAP4/5 currently in omap4-common.c) | ||
54 | obj-$(CONFIG_SOC_OMAP2420) += omap2-restart.o | ||
55 | obj-$(CONFIG_SOC_OMAP2430) += omap2-restart.o | ||
56 | obj-$(CONFIG_ARCH_OMAP3) += omap3-restart.o | ||
57 | |||
47 | # Pin multiplexing | 58 | # Pin multiplexing |
48 | obj-$(CONFIG_SOC_OMAP2420) += mux2420.o | 59 | obj-$(CONFIG_SOC_OMAP2420) += mux2420.o |
49 | obj-$(CONFIG_SOC_OMAP2430) += mux2430.o | 60 | obj-$(CONFIG_SOC_OMAP2430) += mux2430.o |
@@ -53,7 +64,6 @@ obj-$(CONFIG_ARCH_OMAP4) += mux44xx.o | |||
53 | # SMS/SDRC | 64 | # SMS/SDRC |
54 | obj-$(CONFIG_ARCH_OMAP2) += sdrc2xxx.o | 65 | obj-$(CONFIG_ARCH_OMAP2) += sdrc2xxx.o |
55 | # obj-$(CONFIG_ARCH_OMAP3) += sdrc3xxx.o | 66 | # obj-$(CONFIG_ARCH_OMAP3) += sdrc3xxx.o |
56 | obj-$(CONFIG_SOC_HAS_OMAP2_SDRC) += sdrc.o | ||
57 | 67 | ||
58 | # OPP table initialization | 68 | # OPP table initialization |
59 | ifeq ($(CONFIG_PM_OPP),y) | 69 | ifeq ($(CONFIG_PM_OPP),y) |
@@ -64,16 +74,16 @@ endif | |||
64 | 74 | ||
65 | # Power Management | 75 | # Power Management |
66 | ifeq ($(CONFIG_PM),y) | 76 | ifeq ($(CONFIG_PM),y) |
67 | obj-$(CONFIG_ARCH_OMAP2) += pm24xx.o sleep24xx.o | 77 | obj-$(CONFIG_ARCH_OMAP2) += pm24xx.o |
78 | obj-$(CONFIG_ARCH_OMAP2) += sleep24xx.o | ||
68 | obj-$(CONFIG_ARCH_OMAP3) += pm34xx.o sleep34xx.o | 79 | obj-$(CONFIG_ARCH_OMAP3) += pm34xx.o sleep34xx.o |
69 | obj-$(CONFIG_ARCH_OMAP4) += pm44xx.o omap-mpuss-lowpower.o | 80 | obj-$(CONFIG_ARCH_OMAP4) += pm44xx.o omap-mpuss-lowpower.o |
70 | obj-$(CONFIG_ARCH_OMAP4) += sleep44xx.o | 81 | obj-$(CONFIG_SOC_OMAP5) += omap-mpuss-lowpower.o |
71 | obj-$(CONFIG_SOC_OMAP5) += omap-mpuss-lowpower.o sleep44xx.o | ||
72 | obj-$(CONFIG_PM_DEBUG) += pm-debug.o | 82 | obj-$(CONFIG_PM_DEBUG) += pm-debug.o |
73 | obj-$(CONFIG_OMAP_PM_NOOP) += omap-pm-noop.o | 83 | obj-$(CONFIG_OMAP_PM_NOOP) += omap-pm-noop.o |
74 | 84 | ||
75 | obj-$(CONFIG_POWER_AVS_OMAP) += sr_device.o | 85 | obj-$(CONFIG_POWER_AVS_OMAP) += sr_device.o |
76 | obj-$(CONFIG_POWER_AVS_OMAP_CLASS3) += smartreflex-class3.o | 86 | obj-$(CONFIG_POWER_AVS_OMAP_CLASS3) += smartreflex-class3.o |
77 | 87 | ||
78 | AFLAGS_sleep24xx.o :=-Wa,-march=armv6 | 88 | AFLAGS_sleep24xx.o :=-Wa,-march=armv6 |
79 | AFLAGS_sleep34xx.o :=-Wa,-march=armv7-a$(plus_sec) | 89 | AFLAGS_sleep34xx.o :=-Wa,-march=armv7-a$(plus_sec) |
@@ -85,76 +95,82 @@ endif | |||
85 | endif | 95 | endif |
86 | 96 | ||
87 | ifeq ($(CONFIG_CPU_IDLE),y) | 97 | ifeq ($(CONFIG_CPU_IDLE),y) |
88 | obj-$(CONFIG_ARCH_OMAP3) += cpuidle34xx.o | 98 | obj-$(CONFIG_ARCH_OMAP3) += cpuidle34xx.o |
89 | obj-$(CONFIG_ARCH_OMAP4) += cpuidle44xx.o | 99 | obj-$(CONFIG_ARCH_OMAP4) += cpuidle44xx.o |
90 | endif | 100 | endif |
91 | 101 | ||
92 | # PRCM | 102 | # PRCM |
93 | obj-y += prcm.o prm_common.o | 103 | obj-y += prm_common.o cm_common.o |
94 | obj-$(CONFIG_ARCH_OMAP2) += cm2xxx_3xxx.o prm2xxx_3xxx.o | 104 | obj-$(CONFIG_ARCH_OMAP2) += prm2xxx_3xxx.o prm2xxx.o cm2xxx.o |
95 | obj-$(CONFIG_ARCH_OMAP3) += cm2xxx_3xxx.o prm2xxx_3xxx.o | 105 | obj-$(CONFIG_ARCH_OMAP3) += prm2xxx_3xxx.o prm3xxx.o cm3xxx.o |
96 | obj-$(CONFIG_ARCH_OMAP3) += vc3xxx_data.o vp3xxx_data.o | 106 | obj-$(CONFIG_ARCH_OMAP3) += vc3xxx_data.o vp3xxx_data.o |
97 | obj-$(CONFIG_SOC_AM33XX) += prm33xx.o cm33xx.o | 107 | obj-$(CONFIG_SOC_AM33XX) += prm33xx.o cm33xx.o |
98 | omap-prcm-4-5-common = cminst44xx.o cm44xx.o prm44xx.o \ | 108 | omap-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 | ||
102 | obj-$(CONFIG_ARCH_OMAP4) += $(omap-prcm-4-5-common) | 111 | obj-$(CONFIG_ARCH_OMAP4) += $(omap-prcm-4-5-common) |
103 | obj-$(CONFIG_SOC_OMAP5) += $(omap-prcm-4-5-common) | 112 | obj-$(CONFIG_SOC_OMAP5) += $(omap-prcm-4-5-common) |
104 | 113 | ||
105 | # OMAP voltage domains | 114 | # OMAP voltage domains |
106 | obj-y += voltage.o vc.o vp.o | 115 | voltagedomain-common := voltage.o vc.o vp.o |
116 | obj-$(CONFIG_ARCH_OMAP2) += $(voltagedomain-common) | ||
107 | obj-$(CONFIG_ARCH_OMAP2) += voltagedomains2xxx_data.o | 117 | obj-$(CONFIG_ARCH_OMAP2) += voltagedomains2xxx_data.o |
118 | obj-$(CONFIG_ARCH_OMAP3) += $(voltagedomain-common) | ||
108 | obj-$(CONFIG_ARCH_OMAP3) += voltagedomains3xxx_data.o | 119 | obj-$(CONFIG_ARCH_OMAP3) += voltagedomains3xxx_data.o |
120 | obj-$(CONFIG_ARCH_OMAP4) += $(voltagedomain-common) | ||
109 | obj-$(CONFIG_ARCH_OMAP4) += voltagedomains44xx_data.o | 121 | obj-$(CONFIG_ARCH_OMAP4) += voltagedomains44xx_data.o |
110 | obj-$(CONFIG_SOC_AM33XX) += voltagedomains33xx_data.o | 122 | obj-$(CONFIG_SOC_AM33XX) += $(voltagedomain-common) |
123 | obj-$(CONFIG_SOC_AM33XX) += voltagedomains33xx_data.o | ||
124 | obj-$(CONFIG_SOC_OMAP5) += $(voltagedomain-common) | ||
111 | 125 | ||
112 | # OMAP powerdomain framework | 126 | # OMAP powerdomain framework |
113 | obj-y += powerdomain.o powerdomain-common.o | 127 | powerdomain-common += powerdomain.o powerdomain-common.o |
128 | obj-$(CONFIG_ARCH_OMAP2) += $(powerdomain-common) | ||
114 | obj-$(CONFIG_ARCH_OMAP2) += powerdomains2xxx_data.o | 129 | obj-$(CONFIG_ARCH_OMAP2) += powerdomains2xxx_data.o |
115 | obj-$(CONFIG_ARCH_OMAP2) += powerdomain2xxx_3xxx.o | ||
116 | obj-$(CONFIG_ARCH_OMAP2) += powerdomains2xxx_3xxx_data.o | 130 | obj-$(CONFIG_ARCH_OMAP2) += powerdomains2xxx_3xxx_data.o |
117 | obj-$(CONFIG_ARCH_OMAP3) += powerdomain2xxx_3xxx.o | 131 | obj-$(CONFIG_ARCH_OMAP3) += $(powerdomain-common) |
118 | obj-$(CONFIG_ARCH_OMAP3) += powerdomains3xxx_data.o | 132 | obj-$(CONFIG_ARCH_OMAP3) += powerdomains3xxx_data.o |
119 | obj-$(CONFIG_ARCH_OMAP3) += powerdomains2xxx_3xxx_data.o | 133 | obj-$(CONFIG_ARCH_OMAP3) += powerdomains2xxx_3xxx_data.o |
120 | obj-$(CONFIG_ARCH_OMAP4) += powerdomain44xx.o | 134 | obj-$(CONFIG_ARCH_OMAP4) += $(powerdomain-common) |
121 | obj-$(CONFIG_ARCH_OMAP4) += powerdomains44xx_data.o | 135 | obj-$(CONFIG_ARCH_OMAP4) += powerdomains44xx_data.o |
122 | obj-$(CONFIG_SOC_AM33XX) += powerdomain33xx.o | 136 | obj-$(CONFIG_SOC_AM33XX) += $(powerdomain-common) |
123 | obj-$(CONFIG_SOC_AM33XX) += powerdomains33xx_data.o | 137 | obj-$(CONFIG_SOC_AM33XX) += powerdomains33xx_data.o |
124 | obj-$(CONFIG_SOC_OMAP5) += powerdomain44xx.o | 138 | obj-$(CONFIG_SOC_OMAP5) += $(powerdomain-common) |
125 | 139 | ||
126 | # PRCM clockdomain control | 140 | # PRCM clockdomain control |
127 | obj-y += clockdomain.o | 141 | clockdomain-common += clockdomain.o |
128 | obj-$(CONFIG_ARCH_OMAP2) += clockdomain2xxx_3xxx.o | 142 | obj-$(CONFIG_ARCH_OMAP2) += $(clockdomain-common) |
129 | obj-$(CONFIG_ARCH_OMAP2) += clockdomains2xxx_3xxx_data.o | 143 | obj-$(CONFIG_ARCH_OMAP2) += clockdomains2xxx_3xxx_data.o |
130 | obj-$(CONFIG_SOC_OMAP2420) += clockdomains2420_data.o | 144 | obj-$(CONFIG_SOC_OMAP2420) += clockdomains2420_data.o |
131 | obj-$(CONFIG_SOC_OMAP2430) += clockdomains2430_data.o | 145 | obj-$(CONFIG_SOC_OMAP2430) += clockdomains2430_data.o |
132 | obj-$(CONFIG_ARCH_OMAP3) += clockdomain2xxx_3xxx.o | 146 | obj-$(CONFIG_ARCH_OMAP3) += $(clockdomain-common) |
133 | obj-$(CONFIG_ARCH_OMAP3) += clockdomains2xxx_3xxx_data.o | 147 | obj-$(CONFIG_ARCH_OMAP3) += clockdomains2xxx_3xxx_data.o |
134 | obj-$(CONFIG_ARCH_OMAP3) += clockdomains3xxx_data.o | 148 | obj-$(CONFIG_ARCH_OMAP3) += clockdomains3xxx_data.o |
135 | obj-$(CONFIG_ARCH_OMAP4) += clockdomain44xx.o | 149 | obj-$(CONFIG_ARCH_OMAP4) += $(clockdomain-common) |
136 | obj-$(CONFIG_ARCH_OMAP4) += clockdomains44xx_data.o | 150 | obj-$(CONFIG_ARCH_OMAP4) += clockdomains44xx_data.o |
137 | obj-$(CONFIG_SOC_AM33XX) += clockdomain33xx.o | 151 | obj-$(CONFIG_SOC_AM33XX) += $(clockdomain-common) |
138 | obj-$(CONFIG_SOC_AM33XX) += clockdomains33xx_data.o | 152 | obj-$(CONFIG_SOC_AM33XX) += clockdomains33xx_data.o |
139 | obj-$(CONFIG_SOC_OMAP5) += clockdomain44xx.o | 153 | obj-$(CONFIG_SOC_OMAP5) += $(clockdomain-common) |
140 | 154 | ||
141 | # Clock framework | 155 | # Clock framework |
142 | obj-y += clock.o clock_common_data.o \ | 156 | obj-$(CONFIG_ARCH_OMAP2) += $(clock-common) clock2xxx.o |
143 | clkt_dpll.o clkt_clksel.o | 157 | obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_sys.o |
144 | obj-$(CONFIG_ARCH_OMAP2) += clock2xxx.o | 158 | obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_dpllcore.o |
145 | obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_dpllcore.o clkt2xxx_sys.o | ||
146 | obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_virt_prcm_set.o | 159 | obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_virt_prcm_set.o |
147 | obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_apll.o clkt2xxx_osc.o | 160 | obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_apll.o clkt2xxx_osc.o |
148 | obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_dpll.o clkt_iclk.o | 161 | obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_dpll.o clkt_iclk.o |
149 | obj-$(CONFIG_SOC_OMAP2420) += clock2420_data.o | 162 | obj-$(CONFIG_SOC_OMAP2420) += clock2420_data.o |
150 | obj-$(CONFIG_SOC_OMAP2430) += clock2430.o clock2430_data.o | 163 | obj-$(CONFIG_SOC_OMAP2430) += clock2430.o clock2430_data.o |
151 | obj-$(CONFIG_ARCH_OMAP3) += clock3xxx.o | 164 | obj-$(CONFIG_ARCH_OMAP3) += $(clock-common) clock3xxx.o |
152 | obj-$(CONFIG_ARCH_OMAP3) += clock34xx.o clkt34xx_dpll3m2.o | 165 | obj-$(CONFIG_ARCH_OMAP3) += clock34xx.o clkt34xx_dpll3m2.o |
153 | obj-$(CONFIG_ARCH_OMAP3) += clock3517.o clock36xx.o clkt_iclk.o | 166 | obj-$(CONFIG_ARCH_OMAP3) += clock3517.o clock36xx.o |
154 | obj-$(CONFIG_ARCH_OMAP3) += dpll3xxx.o clock3xxx_data.o | 167 | obj-$(CONFIG_ARCH_OMAP3) += dpll3xxx.o clock3xxx_data.o |
155 | obj-$(CONFIG_ARCH_OMAP4) += clock44xx_data.o | 168 | obj-$(CONFIG_ARCH_OMAP3) += clkt_iclk.o |
169 | obj-$(CONFIG_ARCH_OMAP4) += $(clock-common) clock44xx_data.o | ||
156 | obj-$(CONFIG_ARCH_OMAP4) += dpll3xxx.o dpll44xx.o | 170 | obj-$(CONFIG_ARCH_OMAP4) += dpll3xxx.o dpll44xx.o |
157 | obj-$(CONFIG_SOC_AM33XX) += dpll3xxx.o clock33xx_data.o | 171 | obj-$(CONFIG_SOC_AM33XX) += $(clock-common) dpll3xxx.o |
172 | obj-$(CONFIG_SOC_AM33XX) += clock33xx_data.o | ||
173 | obj-$(CONFIG_SOC_OMAP5) += $(clock-common) | ||
158 | obj-$(CONFIG_SOC_OMAP5) += dpll3xxx.o dpll44xx.o | 174 | obj-$(CONFIG_SOC_OMAP5) += dpll3xxx.o dpll44xx.o |
159 | 175 | ||
160 | # OMAP2 clock rate set data (old "OPP" data) | 176 | # OMAP2 clock rate set data (old "OPP" data) |
@@ -162,7 +178,6 @@ obj-$(CONFIG_SOC_OMAP2420) += opp2420_data.o | |||
162 | obj-$(CONFIG_SOC_OMAP2430) += opp2430_data.o | 178 | obj-$(CONFIG_SOC_OMAP2430) += opp2430_data.o |
163 | 179 | ||
164 | # hwmod data | 180 | # hwmod data |
165 | obj-y += omap_hwmod_common_data.o | ||
166 | obj-$(CONFIG_SOC_OMAP2420) += omap_hwmod_2xxx_ipblock_data.o | 181 | obj-$(CONFIG_SOC_OMAP2420) += omap_hwmod_2xxx_ipblock_data.o |
167 | obj-$(CONFIG_SOC_OMAP2420) += omap_hwmod_2xxx_3xxx_ipblock_data.o | 182 | obj-$(CONFIG_SOC_OMAP2420) += omap_hwmod_2xxx_3xxx_ipblock_data.o |
168 | obj-$(CONFIG_SOC_OMAP2420) += omap_hwmod_2xxx_interconnect_data.o | 183 | obj-$(CONFIG_SOC_OMAP2420) += omap_hwmod_2xxx_interconnect_data.o |
@@ -208,10 +223,10 @@ obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o | |||
208 | obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o | 223 | obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o |
209 | obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o | 224 | obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o |
210 | obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o | 225 | obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o |
211 | obj-$(CONFIG_MACH_DEVKIT8000) += board-devkit8000.o | 226 | obj-$(CONFIG_MACH_DEVKIT8000) += board-devkit8000.o |
212 | obj-$(CONFIG_MACH_OMAP_LDP) += board-ldp.o | 227 | obj-$(CONFIG_MACH_OMAP_LDP) += board-ldp.o |
213 | obj-$(CONFIG_MACH_OMAP3530_LV_SOM) += board-omap3logic.o | 228 | obj-$(CONFIG_MACH_OMAP3530_LV_SOM) += board-omap3logic.o |
214 | obj-$(CONFIG_MACH_OMAP3_TORPEDO) += board-omap3logic.o | 229 | obj-$(CONFIG_MACH_OMAP3_TORPEDO) += board-omap3logic.o |
215 | obj-$(CONFIG_MACH_ENCORE) += board-omap3encore.o | 230 | obj-$(CONFIG_MACH_ENCORE) += board-omap3encore.o |
216 | obj-$(CONFIG_MACH_OVERO) += board-overo.o | 231 | obj-$(CONFIG_MACH_OVERO) += board-overo.o |
217 | obj-$(CONFIG_MACH_OMAP3EVM) += board-omap3evm.o | 232 | obj-$(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, |
289 | MACHINE_END | 289 | MACHINE_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, |
601 | MACHINE_END | 601 | MACHINE_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, |
216 | MACHINE_END | 216 | MACHINE_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, |
885 | MACHINE_END | 885 | MACHINE_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, |
97 | MACHINE_END | 97 | MACHINE_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, |
397 | MACHINE_END | 397 | MACHINE_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, |
342 | MACHINE_END | 342 | MACHINE_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, |
755 | MACHINE_END | 755 | MACHINE_END |
756 | 756 | ||
757 | MACHINE_START(CM_T3730, "Compulab CM-T3730") | 757 | MACHINE_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, |
768 | MACHINE_END | 768 | MACHINE_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, |
302 | MACHINE_END | 302 | MACHINE_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, |
647 | MACHINE_END | 647 | MACHINE_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, |
61 | MACHINE_END | 61 | MACHINE_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, |
80 | MACHINE_END | 80 | MACHINE_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, |
99 | MACHINE_END | 99 | MACHINE_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, |
138 | MACHINE_END | 138 | MACHINE_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, |
158 | MACHINE_END | 158 | MACHINE_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, |
390 | MACHINE_END | 390 | MACHINE_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, |
655 | MACHINE_END | 655 | MACHINE_END |
656 | 656 | ||
657 | MACHINE_START(IGEP0030, "IGEP OMAP3 module") | 657 | MACHINE_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, |
668 | MACHINE_END | 668 | MACHINE_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, |
440 | MACHINE_END | 440 | MACHINE_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, |
694 | MACHINE_END | 694 | MACHINE_END |
695 | 695 | ||
696 | MACHINE_START(NOKIA_N810, "Nokia N810") | 696 | MACHINE_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, |
707 | MACHINE_END | 707 | MACHINE_END |
708 | 708 | ||
709 | MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX") | 709 | MACHINE_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, |
720 | MACHINE_END | 720 | MACHINE_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, |
549 | MACHINE_END | 549 | MACHINE_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, |
761 | MACHINE_END | 761 | MACHINE_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, |
236 | MACHINE_END | 236 | MACHINE_END |
237 | 237 | ||
238 | MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board") | 238 | MACHINE_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, |
249 | MACHINE_END | 249 | MACHINE_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, |
623 | MACHINE_END | 623 | MACHINE_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, |
431 | MACHINE_END | 431 | MACHINE_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, |
391 | MACHINE_END | 391 | MACHINE_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, |
528 | MACHINE_END | 528 | MACHINE_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, |
556 | MACHINE_END | 556 | MACHINE_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, |
152 | MACHINE_END | 152 | MACHINE_END |
153 | 153 | ||
154 | MACHINE_START(NOKIA_RM696, "Nokia RM-696 board") | 154 | MACHINE_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, |
165 | MACHINE_END | 165 | MACHINE_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, |
131 | MACHINE_END | 131 | MACHINE_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, |
50 | MACHINE_END | 50 | MACHINE_END |
51 | 51 | ||
52 | MACHINE_START(TI8148EVM, "ti8148evm") | 52 | MACHINE_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, |
62 | MACHINE_END | 62 | MACHINE_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, |
142 | MACHINE_END | 142 | MACHINE_END |
143 | 143 | ||
144 | MACHINE_START(OMAP_ZOOM3, "OMAP Zoom3 board") | 144 | MACHINE_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, |
155 | MACHINE_END | 155 | MACHINE_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 | ||
40 | void __iomem *cm_idlest_pll; | ||
41 | |||
42 | /* Private functions */ | 39 | /* Private functions */ |
43 | 40 | ||
44 | /* Enable an APLL if off */ | 41 | static int _apll96_enable(struct clk *clk) |
45 | static 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 | |||
70 | static 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 | ||
75 | static int omap2_clk_apll54_enable(struct clk *clk) | 46 | static 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 | ||
80 | static void _apll96_allow_idle(struct clk *clk) | 51 | static 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 */ | 71 | static void _apll96_disable(struct clk *clk) |
101 | static 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); | 76 | static 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 | ||
112 | const struct clkops clkops_apll96 = { | 83 | const 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 | ||
119 | const struct clkops clkops_apll54 = { | 90 | const 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 | */ | ||
43 | static 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 | */ |
48 | unsigned long omap2xxx_clk_get_core_rate(struct clk *clk) | 54 | unsigned 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 | ||
99 | unsigned long omap2_dpllcore_recalc(struct clk *clk) | 107 | unsigned 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 | ||
104 | int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate) | 112 | int 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 | */ | ||
191 | void 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 @@ | |||
45 | const struct prcm_config *curr_prcm_set; | 45 | const struct prcm_config *curr_prcm_set; |
46 | const struct prcm_config *rate_table; | 46 | const 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 | */ | ||
53 | static 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) | |||
66 | long omap2_round_to_table_rate(struct clk *clk, unsigned long rate) | 73 | long 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 | */ | ||
182 | void 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 | */ | ||
208 | void 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 | ||
40 | u16 cpu_mask; | 48 | u16 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 | */ | ||
82 | static 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); | |||
70 | static void _omap2_module_wait_ready(struct clk *clk) | 112 | static 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); | |||
409 | u32 omap2_get_dpll_rate(struct clk *clk); | 409 | u32 omap2_get_dpll_rate(struct clk *clk); |
410 | void omap2_init_dpll_parent(struct clk *clk); | 410 | void omap2_init_dpll_parent(struct clk *clk); |
411 | 411 | ||
412 | int omap2_wait_clock_ready(void __iomem *reg, u32 cval, const char *name); | ||
413 | |||
414 | |||
415 | #ifdef CONFIG_ARCH_OMAP2 | ||
416 | void omap2xxx_clk_prepare_for_reboot(void); | ||
417 | #else | ||
418 | static inline void omap2xxx_clk_prepare_for_reboot(void) | ||
419 | { | ||
420 | } | ||
421 | #endif | ||
422 | |||
423 | #ifdef CONFIG_ARCH_OMAP3 | ||
424 | void omap3_clk_prepare_for_reboot(void); | ||
425 | #else | ||
426 | static inline void omap3_clk_prepare_for_reboot(void) | ||
427 | { | ||
428 | } | ||
429 | #endif | ||
430 | |||
431 | #ifdef CONFIG_ARCH_OMAP4 | ||
432 | void omap4_clk_prepare_for_reboot(void); | ||
433 | #else | ||
434 | static inline void omap4_clk_prepare_for_reboot(void) | ||
435 | { | ||
436 | } | ||
437 | #endif | ||
438 | |||
439 | int omap2_dflt_clk_enable(struct clk *clk); | 412 | int omap2_dflt_clk_enable(struct clk *clk); |
440 | void omap2_dflt_clk_disable(struct clk *clk); | 413 | void omap2_dflt_clk_disable(struct clk *clk); |
441 | void omap2_clk_dflt_find_companion(struct clk *clk, void __iomem **other_reg, | 414 | void omap2_clk_dflt_find_companion(struct clk *clk, void __iomem **other_reg, |
@@ -454,7 +427,6 @@ extern const struct clkops clkops_dummy; | |||
454 | extern const struct clkops clkops_omap2_dflt; | 427 | extern const struct clkops clkops_omap2_dflt; |
455 | 428 | ||
456 | extern struct clk_functions omap2_clk_functions; | 429 | extern struct clk_functions omap2_clk_functions; |
457 | extern struct clk *vclk, *sclk; | ||
458 | 430 | ||
459 | extern const struct clksel_rate gpt_32k_rates[]; | 431 | extern const struct clksel_rate gpt_32k_rates[]; |
460 | extern const struct clksel_rate gpt_sys_rates[]; | 432 | extern 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 | ||
1925 | int __init omap2420_clk_init(void) | 1926 | int __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 | ||
2024 | int __init omap2430_clk_init(void) | 2025 | int __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 | ||
31 | struct 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 | */ | ||
40 | void 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); | |||
15 | unsigned long omap2_osc_clk_recalc(struct clk *clk); | 15 | unsigned long omap2_osc_clk_recalc(struct clk *clk); |
16 | unsigned long omap2_dpllcore_recalc(struct clk *clk); | 16 | unsigned long omap2_dpllcore_recalc(struct clk *clk); |
17 | int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate); | 17 | int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate); |
18 | unsigned long omap2xxx_clk_get_core_rate(struct clk *clk); | 18 | unsigned long omap2xxx_clk_get_core_rate(void); |
19 | u32 omap2xxx_get_apll_clkin(void); | 19 | u32 omap2xxx_get_apll_clkin(void); |
20 | u32 omap2xxx_get_sysclkdiv(void); | 20 | u32 omap2xxx_get_sysclkdiv(void); |
21 | void omap2xxx_clk_prepare_for_reboot(void); | 21 | void omap2xxx_clk_prepare_for_reboot(void); |
22 | void omap2xxx_clkt_dpllcore_init(struct clk *clk); | ||
23 | void omap2xxx_clkt_vps_check_bootloader_rates(void); | ||
24 | void omap2xxx_clkt_vps_late_init(void); | ||
22 | 25 | ||
23 | #ifdef CONFIG_SOC_OMAP2420 | 26 | #ifdef CONFIG_SOC_OMAP2420 |
24 | int omap2420_clk_init(void); | 27 | int 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 | ||
35 | extern void __iomem *prcm_clksrc_ctrl, *cm_idlest_pll; | 38 | extern void __iomem *prcm_clksrc_ctrl; |
36 | |||
37 | extern struct clk *dclk; | ||
38 | 39 | ||
39 | extern const struct clkops clkops_omap2430_i2chs_wait; | 40 | extern const struct clkops clkops_omap2430_i2chs_wait; |
40 | extern const struct clkops clkops_oscck; | 41 | extern 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 | |||
28 | static 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 | |||
36 | static 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 | |||
44 | static 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 | |||
51 | static 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 | |||
70 | static 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 | |||
79 | static 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 | |||
88 | static 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 | |||
95 | static 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 | |||
113 | static 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 | |||
121 | static 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 | |||
129 | static 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 | |||
138 | static 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 | |||
147 | static 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 | |||
157 | static 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 | |||
167 | static 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 | |||
174 | static 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 | |||
181 | static 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 | |||
204 | static 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 | |||
227 | static 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 | |||
236 | static 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 | |||
245 | static 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 | |||
279 | static 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 | |||
313 | struct 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 | |||
326 | struct 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 | |||
25 | static 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 | |||
31 | static 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 | |||
37 | static void am33xx_clkdm_allow_idle(struct clockdomain *clkdm) | ||
38 | { | ||
39 | am33xx_cm_clkdm_enable_hwsup(clkdm->cm_inst, clkdm->clkdm_offs); | ||
40 | } | ||
41 | |||
42 | static void am33xx_clkdm_deny_idle(struct clockdomain *clkdm) | ||
43 | { | ||
44 | am33xx_cm_clkdm_disable_hwsup(clkdm->cm_inst, clkdm->clkdm_offs); | ||
45 | } | ||
46 | |||
47 | static 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 | |||
55 | static 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 | |||
67 | struct 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 | |||
20 | static 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 | |||
30 | static 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 | |||
40 | static 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 | |||
49 | static 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 | |||
71 | static 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 | |||
78 | static 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 | |||
85 | static 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 | |||
91 | static 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 | |||
101 | static 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 | |||
109 | static 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 | |||
136 | struct 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__ | ||
26 | extern void __iomem *cm_base; | ||
27 | extern void __iomem *cm2_base; | ||
28 | extern 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 | */ | ||
49 | struct 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 | |||
55 | extern int cm_split_idlest_reg(void __iomem *idlest_reg, s16 *prcm_inst, | ||
56 | u8 *idlest_reg_id); | ||
57 | extern int cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift); | ||
58 | |||
59 | extern int cm_register(struct cm_ll_data *cld); | ||
60 | extern 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 | |||
41 | static const u8 omap2xxx_cm_idlest_offs[] = { | ||
42 | CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3, OMAP24XX_CM_IDLEST4 | ||
43 | }; | ||
44 | |||
45 | /* | ||
46 | * | ||
47 | */ | ||
48 | |||
49 | static 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 | |||
59 | bool 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 | |||
70 | void omap2xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask) | ||
71 | { | ||
72 | _write_clktrctrl(OMAP24XX_CLKSTCTRL_ENABLE_AUTO, module, mask); | ||
73 | } | ||
74 | |||
75 | void 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 | |||
84 | static 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 | |||
94 | void omap2xxx_cm_set_dpll_disable_autoidle(void) | ||
95 | { | ||
96 | _omap2xxx_set_dpll_autoidle(OMAP2XXX_DPLL_AUTOIDLE_LOW_POWER_STOP); | ||
97 | } | ||
98 | |||
99 | void 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 | |||
108 | static 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 | |||
118 | void 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 | |||
124 | void 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 | |||
130 | void 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 | |||
136 | void 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 */ | ||
143 | static 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 */ | ||
166 | static 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 */ | ||
176 | int 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 */ | ||
183 | int 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 */ | ||
190 | void omap2xxx_cm_apll54_disable(void) | ||
191 | { | ||
192 | _omap2xxx_apll_disable(OMAP24XX_EN_54M_PLL_SHIFT); | ||
193 | } | ||
194 | |||
195 | /* Stop APLL */ | ||
196 | void 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 | */ | ||
210 | int 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 | */ | ||
252 | int 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 | |||
274 | static 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 | |||
283 | static 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 | |||
292 | static 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 | |||
317 | static 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 | |||
342 | struct 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 | |||
359 | static 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 | |||
364 | int __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 | |||
372 | static 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 | |||
49 | extern void omap2xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask); | ||
50 | extern void omap2xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask); | ||
51 | |||
52 | extern void omap2xxx_cm_set_dpll_disable_autoidle(void); | ||
53 | extern void omap2xxx_cm_set_dpll_auto_low_power_stop(void); | ||
54 | |||
55 | extern void omap2xxx_cm_set_apll54_disable_autoidle(void); | ||
56 | extern void omap2xxx_cm_set_apll54_auto_low_power_stop(void); | ||
57 | extern void omap2xxx_cm_set_apll96_disable_autoidle(void); | ||
58 | extern void omap2xxx_cm_set_apll96_auto_low_power_stop(void); | ||
59 | |||
60 | extern bool omap2xxx_cm_is_clkdm_in_hwsup(s16 module, u32 mask); | ||
61 | extern int omap2xxx_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, | ||
62 | u8 idlest_shift); | ||
63 | extern int omap2xxx_cm_split_idlest_reg(void __iomem *idlest_reg, | ||
64 | s16 *prcm_inst, u8 *idlest_reg_id); | ||
65 | |||
66 | extern 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 */ | 53 | static 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 | 58 | static 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 */ | ||
64 | static 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 | ||
108 | extern 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 */ |
109 | extern void omap2_cm_write_mod_reg(u32 val, s16 module, u16 idx); | 78 | static inline u32 omap2_cm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask) |
110 | extern u32 omap2_cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx); | 79 | { |
80 | u32 v; | ||
111 | 81 | ||
112 | extern 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; |
114 | extern u32 omap2_cm_set_mod_reg_bits(u32 bits, s16 module, s16 idx); | 84 | v >>= __ffs(mask); |
115 | extern u32 omap2_cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx); | ||
116 | 85 | ||
117 | extern bool omap2_cm_is_clkdm_in_hwsup(s16 module, u32 mask); | 86 | return v; |
118 | extern void omap2xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask); | 87 | } |
119 | extern void omap2xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask); | ||
120 | 88 | ||
121 | extern void omap3xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask); | 89 | static inline u32 omap2_cm_set_mod_reg_bits(u32 bits, s16 module, s16 idx) |
122 | extern void omap3xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask); | 90 | { |
123 | extern void omap3xxx_cm_clkdm_force_sleep(s16 module, u32 mask); | 91 | return omap2_cm_rmw_mod_reg_bits(bits, bits, module, idx); |
124 | extern void omap3xxx_cm_clkdm_force_wakeup(s16 module, u32 mask); | 92 | } |
125 | 93 | ||
126 | extern void omap2xxx_cm_set_dpll_disable_autoidle(void); | 94 | static inline u32 omap2_cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx) |
127 | extern 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 | ||
129 | extern void omap2xxx_cm_set_apll54_disable_autoidle(void); | 99 | extern int omap2xxx_cm_apll54_enable(void); |
130 | extern void omap2xxx_cm_set_apll54_auto_low_power_stop(void); | 100 | extern void omap2xxx_cm_apll54_disable(void); |
131 | extern void omap2xxx_cm_set_apll96_disable_autoidle(void); | 101 | extern int omap2xxx_cm_apll96_enable(void); |
132 | extern void omap2xxx_cm_set_apll96_auto_low_power_stop(void); | 102 | extern 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__ | ||
152 | extern void omap3_cm_save_context(void); | ||
153 | extern 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 | |||
318 | static 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 | |||
324 | static 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 | |||
330 | static void am33xx_clkdm_allow_idle(struct clockdomain *clkdm) | ||
331 | { | ||
332 | am33xx_cm_clkdm_enable_hwsup(clkdm->cm_inst, clkdm->clkdm_offs); | ||
333 | } | ||
334 | |||
335 | static void am33xx_clkdm_deny_idle(struct clockdomain *clkdm) | ||
336 | { | ||
337 | am33xx_cm_clkdm_disable_hwsup(clkdm->cm_inst, clkdm->clkdm_offs); | ||
338 | } | ||
339 | |||
340 | static 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 | |||
348 | static 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 | |||
360 | struct 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 */ | 30 | static 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 | |||
37 | static const u8 cm_idlest_offs[] = { | ||
38 | CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3, OMAP24XX_CM_IDLEST4 | ||
39 | }; | 32 | }; |
40 | 33 | ||
41 | u32 omap2_cm_read_mod_reg(s16 module, u16 idx) | ||
42 | { | ||
43 | return __raw_readl(cm_base + module + idx); | ||
44 | } | ||
45 | |||
46 | void 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 */ | ||
52 | u32 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 | |||
64 | u32 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 | |||
69 | u32 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 | ||
88 | bool omap2_cm_is_clkdm_in_hwsup(s16 module, u32 mask) | 48 | bool 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 | |||
107 | void omap2xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask) | ||
108 | { | ||
109 | _write_clktrctrl(OMAP24XX_CLKSTCTRL_ENABLE_AUTO, module, mask); | ||
110 | } | ||
111 | |||
112 | void omap2xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask) | ||
113 | { | ||
114 | _write_clktrctrl(OMAP24XX_CLKSTCTRL_DISABLE_AUTO, module, mask); | ||
115 | } | 57 | } |
116 | 58 | ||
117 | void omap3xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask) | 59 | void 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 | ||
141 | static 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 | */ | ||
93 | int 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 | ||
151 | void 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 | ||
156 | void 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 | */ | ||
122 | int 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 | ||
165 | static void _omap2xxx_set_apll_autoidle(u8 m, u32 mask) | 153 | static 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); | 162 | static 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 | ||
175 | void omap2xxx_cm_set_apll54_disable_autoidle(void) | 171 | static 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 | ||
181 | void omap2xxx_cm_set_apll54_auto_low_power_stop(void) | 179 | static 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 | ||
187 | void omap2xxx_cm_set_apll96_disable_autoidle(void) | 196 | static 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 | ||
193 | void omap2xxx_cm_set_apll96_auto_low_power_stop(void) | 203 | static 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 | /* | 210 | static 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 | 219 | static void omap3xxx_clkdm_deny_idle(struct clockdomain *clkdm) |
208 | * | ||
209 | * XXX document | ||
210 | */ | ||
211 | int 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]; | 228 | static 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), | 264 | static 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 | ||
301 | struct 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 | ||
241 | struct omap3_cm_regs { | 321 | struct 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 | |||
643 | static 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 | |||
648 | int __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 | |||
656 | static 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 | |||
72 | extern void omap3xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask); | ||
73 | extern void omap3xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask); | ||
74 | extern void omap3xxx_cm_clkdm_force_sleep(s16 module, u32 mask); | ||
75 | extern void omap3xxx_cm_clkdm_force_wakeup(s16 module, u32 mask); | ||
76 | |||
77 | extern bool omap3xxx_cm_is_clkdm_in_hwsup(s16 module, u32 mask); | ||
78 | extern int omap3xxx_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, | ||
79 | u8 idlest_shift); | ||
80 | |||
81 | extern int omap3xxx_cm_split_idlest_reg(void __iomem *idlest_reg, | ||
82 | s16 *prcm_inst, u8 *idlest_reg_id); | ||
83 | |||
84 | extern void omap3_cm_save_context(void); | ||
85 | extern void omap3_cm_restore_context(void); | ||
86 | |||
87 | extern 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 | */ | ||
27 | static struct cm_ll_data null_cm_ll_data; | ||
28 | static struct cm_ll_data *cm_ll_data = &null_cm_ll_data; | ||
29 | |||
30 | /* cm_base: base virtual address of the CM IP block */ | ||
31 | void __iomem *cm_base; | ||
32 | |||
33 | /* cm2_base: base virtual address of the CM2 IP block (OMAP44xx only) */ | ||
34 | void __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 | */ | ||
43 | void __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 | */ | ||
61 | int 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 | */ | ||
86 | int 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 | */ | ||
108 | int 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 | */ | ||
132 | int 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 | |||
353 | static 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 | |||
363 | static 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 | |||
373 | static 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 | |||
383 | static 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 | |||
405 | static 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 | |||
412 | static 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 | |||
419 | static 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 | |||
425 | static 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 | |||
435 | static 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 | |||
443 | static 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 | |||
470 | struct 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, | |||
38 | extern u32 omap4_cminst_read_inst_reg_bits(u8 part, u16 inst, s16 idx, | 38 | extern u32 omap4_cminst_read_inst_reg_bits(u8 part, u16 inst, s16 idx, |
39 | u32 mask); | 39 | u32 mask); |
40 | 40 | ||
41 | extern 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 | |||
33 | static 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 | |||
43 | static 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 | |||
53 | void __init omap2_set_globals_242x(void) | ||
54 | { | ||
55 | __omap2_set_globals(&omap242x_globals); | ||
56 | } | ||
57 | |||
58 | void __init omap242x_map_io(void) | ||
59 | { | ||
60 | omap242x_map_common_io(); | ||
61 | } | ||
62 | #endif | ||
63 | |||
64 | #if defined(CONFIG_SOC_OMAP2430) | ||
65 | |||
66 | static 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 | |||
76 | void __init omap2_set_globals_243x(void) | ||
77 | { | ||
78 | __omap2_set_globals(&omap243x_globals); | ||
79 | } | ||
80 | |||
81 | void __init omap243x_map_io(void) | ||
82 | { | ||
83 | omap243x_map_common_io(); | ||
84 | } | ||
85 | #endif | ||
86 | |||
87 | #if defined(CONFIG_ARCH_OMAP3) | ||
88 | |||
89 | static 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 | |||
99 | void __init omap2_set_globals_3xxx(void) | ||
100 | { | ||
101 | __omap2_set_globals(&omap3_globals); | ||
102 | } | ||
103 | |||
104 | void __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 | |||
117 | static 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 | |||
125 | void __init omap2_set_globals_ti81xx(void) | ||
126 | { | ||
127 | __omap2_set_globals(&ti81xx_globals); | ||
128 | } | ||
129 | |||
130 | void __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 | |||
140 | static 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 | |||
148 | void __init omap2_set_globals_am33xx(void) | ||
149 | { | ||
150 | __omap2_set_globals(&am33xx_globals); | ||
151 | } | ||
152 | |||
153 | void __init am33xx_map_io(void) | ||
154 | { | ||
155 | omapam33xx_map_common_io(); | ||
156 | } | ||
157 | #endif | ||
158 | |||
159 | #if defined(CONFIG_ARCH_OMAP4) | ||
160 | static 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 | |||
171 | void __init omap2_set_globals_443x(void) | ||
172 | { | ||
173 | __omap2_set_globals(&omap4_globals); | ||
174 | } | ||
175 | |||
176 | void __init omap4_map_io(void) | ||
177 | { | ||
178 | omap44xx_map_common_io(); | ||
179 | } | ||
180 | #endif | ||
181 | |||
182 | #if defined(CONFIG_SOC_OMAP5) | ||
183 | static 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 | |||
194 | void __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 | |||
201 | void __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 | ||
45 | extern void omap242x_map_common_io(void); | ||
46 | #else | ||
47 | static inline void omap242x_map_common_io(void) | ||
48 | { | ||
49 | } | ||
50 | #endif | ||
51 | |||
52 | #ifdef CONFIG_SOC_OMAP2430 | ||
53 | extern void omap243x_map_common_io(void); | ||
54 | #else | ||
55 | static inline void omap243x_map_common_io(void) | ||
56 | { | ||
57 | } | ||
58 | #endif | ||
59 | |||
60 | #ifdef CONFIG_ARCH_OMAP3 | ||
61 | extern void omap34xx_map_common_io(void); | ||
62 | #else | ||
63 | static inline void omap34xx_map_common_io(void) | ||
64 | { | ||
65 | } | ||
66 | #endif | ||
67 | |||
68 | #ifdef CONFIG_SOC_TI81XX | ||
69 | extern void omapti81xx_map_common_io(void); | ||
70 | #else | ||
71 | static inline void omapti81xx_map_common_io(void) | ||
72 | { | ||
73 | } | ||
74 | #endif | ||
75 | |||
76 | #ifdef CONFIG_SOC_AM33XX | ||
77 | extern void omapam33xx_map_common_io(void); | ||
78 | #else | ||
79 | static inline void omapam33xx_map_common_io(void) | ||
80 | { | ||
81 | } | ||
82 | #endif | ||
83 | |||
84 | #ifdef CONFIG_ARCH_OMAP4 | ||
85 | extern void omap44xx_map_common_io(void); | ||
86 | #else | ||
87 | static 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) |
93 | int omap2_pm_init(void); | 45 | int 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 | ||
129 | extern void omap5_map_common_io(void); | ||
130 | #else | ||
131 | static inline void omap5_map_common_io(void) | ||
132 | { | ||
133 | } | ||
134 | #endif | ||
135 | |||
136 | extern void omap2_init_common_infrastructure(void); | 80 | extern void omap2_init_common_infrastructure(void); |
137 | 81 | ||
138 | extern struct sys_timer omap2_timer; | 82 | extern struct sys_timer omap2_timer; |
@@ -165,52 +109,43 @@ void am35xx_init_late(void); | |||
165 | void ti81xx_init_late(void); | 109 | void ti81xx_init_late(void); |
166 | void omap4430_init_late(void); | 110 | void omap4430_init_late(void); |
167 | int omap2_common_pm_late_init(void); | 111 | int omap2_common_pm_late_init(void); |
168 | void 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 | 114 | void omap2xxx_restart(char mode, const char *cmd); |
172 | * Except the tap base, rest all the io bases | ||
173 | * listed are physical addresses. | ||
174 | */ | ||
175 | struct 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 | |||
188 | void omap2_set_globals_242x(void); | ||
189 | void omap2_set_globals_243x(void); | ||
190 | void omap2_set_globals_3xxx(void); | ||
191 | void omap2_set_globals_443x(void); | ||
192 | void omap2_set_globals_5xxx(void); | ||
193 | void omap2_set_globals_ti81xx(void); | ||
194 | void omap2_set_globals_am33xx(void); | ||
195 | |||
196 | /* These get called from omap2_set_globals_xxxx(), do not call these */ | ||
197 | void omap2_set_globals_tap(struct omap_globals *); | ||
198 | #if defined(CONFIG_SOC_HAS_OMAP2_SDRC) | ||
199 | void omap2_set_globals_sdrc(struct omap_globals *); | ||
200 | #else | 115 | #else |
201 | static inline void omap2_set_globals_sdrc(struct omap_globals *omap2_globals) | 116 | static inline void omap2xxx_restart(char mode, const char *cmd) |
202 | { } | 117 | { |
118 | } | ||
203 | #endif | 119 | #endif |
204 | void omap2_set_globals_control(struct omap_globals *); | 120 | |
205 | void omap2_set_globals_prcm(struct omap_globals *); | 121 | #ifdef CONFIG_ARCH_OMAP3 |
206 | 122 | void omap3xxx_restart(char mode, const char *cmd); | |
207 | void omap242x_map_io(void); | 123 | #else |
208 | void omap243x_map_io(void); | 124 | static inline void omap3xxx_restart(char mode, const char *cmd) |
209 | void omap3_map_io(void); | 125 | { |
210 | void am33xx_map_io(void); | 126 | } |
211 | void omap4_map_io(void); | 127 | #endif |
212 | void omap5_map_io(void); | 128 | |
213 | void ti81xx_map_io(void); | 129 | #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) |
130 | void omap44xx_restart(char mode, const char *cmd); | ||
131 | #else | ||
132 | static 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 */ | ||
138 | void __init omap2_set_globals_tap(u32 class, void __iomem *tap); | ||
139 | |||
140 | void __init omap242x_map_io(void); | ||
141 | void __init omap243x_map_io(void); | ||
142 | void __init omap3_map_io(void); | ||
143 | void __init am33xx_map_io(void); | ||
144 | void __init omap4_map_io(void); | ||
145 | void __init omap5_map_io(void); | ||
146 | void __init ti81xx_map_io(void); | ||
147 | |||
148 | /* omap_barriers_init() is OMAP4 only */ | ||
214 | void omap_barriers_init(void); | 149 | void 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 | ||
150 | void __init omap2_set_globals_control(struct omap_globals *omap2_globals) | 150 | void __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 | ||
159 | void __iomem *omap_ctrl_base_get(void) | 157 | void __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); | |||
414 | extern void omap_ctrl_write_dsp_boot_mode(u8 bootmode); | 414 | extern void omap_ctrl_write_dsp_boot_mode(u8 bootmode); |
415 | extern void omap3630_ctrl_disable_rta(void); | 415 | extern void omap3630_ctrl_disable_rta(void); |
416 | extern int omap3_ctrl_save_padconf(void); | 416 | extern int omap3_ctrl_save_padconf(void); |
417 | extern 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 | } |
648 | arch_initcall(omap2_init_devices); | 648 | arch_initcall(omap2_init_devices); |
649 | |||
650 | #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE) | ||
651 | static 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 | } | ||
673 | subsys_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 | ||
516 | int omap_dss_reset(struct omap_hwmod *oh) | 516 | int 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 | ||
40 | static void __init omap2_i2c_mux_pins(int bus_id) | 38 | static 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 | */ |
562 | void __init omap2_set_globals_tap(struct omap_globals *omap2_globals) | 562 | void __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 |
267 | void __init omap242x_map_common_io(void) | 275 | void __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 |
275 | void __init omap243x_map_common_io(void) | 283 | void __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 |
283 | void __init omap34xx_map_common_io(void) | 291 | void __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 |
290 | void __init omapti81xx_map_common_io(void) | 298 | void __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 |
297 | void __init omapam33xx_map_common_io(void) | 305 | void __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 |
304 | void __init omap44xx_map_common_io(void) | 312 | void __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 |
312 | void __init omap5_map_common_io(void) | 320 | void __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 |
372 | void __init omap2420_init_early(void) | 380 | void __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 |
393 | void __init omap2430_init_early(void) | 408 | void __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 |
418 | void __init omap3_init_early(void) | 440 | void __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 | ||
451 | void __init ti81xx_init_early(void) | 480 | void __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 |
508 | void __init am33xx_init_early(void) | 542 | void __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 |
523 | void __init omap4430_init_early(void) | 562 | void __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 |
545 | void __init omap5_init_early(void) | 593 | void __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 | ||
35 | static int omap3_enable_st_clock(unsigned int id, bool enable) | 35 | static 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 | */ | ||
23 | static 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 | */ | ||
33 | void 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 | */ | ||
53 | static 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 | } | ||
65 | core_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 | */ | ||
31 | void 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 | */ | ||
294 | void 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 | */ | ||
2678 | static 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 | */ |
2679 | static int _omap2_wait_target_ready(struct omap_hwmod *oh) | 2705 | static 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 | */ |
3960 | void __init omap_hwmod_init(void) | 3986 | void __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 */ | ||
29 | static 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 | |||
37 | static 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 | |||
44 | static 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 | |||
51 | static 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 | |||
64 | static 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 | |||
77 | static 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 | |||
87 | static 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 | |||
97 | static 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 | |||
108 | static 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 */ | ||
136 | static 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 | |||
143 | static 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 | |||
150 | static 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 | |||
157 | static 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 | |||
164 | static 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 | |||
182 | static 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 | |||
192 | static 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 | |||
198 | static 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 | |||
205 | static 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 | |||
212 | struct 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 | |||
224 | struct 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 | |||
30 | static 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 | |||
38 | static 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 | |||
49 | static 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 | |||
60 | static 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 | |||
71 | static 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 | |||
79 | static 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 | |||
87 | static 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 | |||
101 | static 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 | |||
112 | static 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 | |||
127 | static 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 | |||
142 | static 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 | |||
157 | static 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 | |||
172 | static 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 | |||
187 | static 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 | |||
214 | struct 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 | |||
27 | static 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 | |||
36 | static 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 | |||
48 | static 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 | |||
60 | static 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 | |||
72 | static 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 | |||
81 | static 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 | |||
90 | static 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 | |||
102 | static 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 | |||
116 | static 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 | |||
130 | static 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 | |||
142 | static 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 | */ | ||
167 | static 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 | |||
182 | static 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 | |||
196 | static 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 | */ | ||
224 | static 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 | |||
239 | static 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 | |||
268 | struct 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__ |
424 | extern void __iomem *prm_base; | ||
425 | extern void __iomem *cm_base; | ||
426 | extern void __iomem *cm2_base; | ||
427 | extern void __iomem *prcm_mpu_base; | ||
428 | |||
429 | #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) | ||
430 | extern void omap_prm_base_init(void); | ||
431 | extern void omap_cm_base_init(void); | ||
432 | #else | ||
433 | static inline void omap_prm_base_init(void) | ||
434 | { | ||
435 | } | ||
436 | static 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 | |||
43 | void __iomem *prm_base; | ||
44 | void __iomem *cm_base; | ||
45 | void __iomem *cm2_base; | ||
46 | void __iomem *prcm_mpu_base; | ||
47 | |||
48 | #define MAX_MODULE_ENABLE_WAIT 100000 | ||
49 | |||
50 | u32 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 | } | ||
60 | EXPORT_SYMBOL(omap_prcm_get_reset_sources); | ||
61 | |||
62 | /* Resets clock rates and reboots the system. Only called from system.h */ | ||
63 | void 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 | */ | ||
127 | int 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 | |||
152 | void __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 | */ | ||
175 | int __weak omap4_cminst_wait_module_idle(u8 part, u16 inst, s16 cdoffs, | ||
176 | u16 clkctrl_offs) | ||
177 | { | ||
178 | return 0; | ||
179 | } | ||
180 | |||
181 | void __weak omap4_cminst_module_enable(u8 mode, u8 part, u16 inst, | ||
182 | s16 cdoffs, u16 clkctrl_offs) | ||
183 | { | ||
184 | } | ||
185 | |||
186 | void __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 | */ | ||
27 | void __iomem *prcm_mpu_base; | ||
28 | |||
23 | /* PRCM_MPU low-level functions */ | 29 | /* PRCM_MPU low-level functions */ |
24 | 30 | ||
25 | u32 omap4_prcm_mpu_read_inst_reg(s16 inst, u16 reg) | 31 | u32 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 | */ | ||
59 | void __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__ | ||
31 | extern 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); | |||
98 | extern void omap4_prcm_mpu_write_inst_reg(u32 val, s16 inst, u16 idx); | 104 | extern void omap4_prcm_mpu_write_inst_reg(u32 val, s16 inst, u16 idx); |
99 | extern u32 omap4_prcm_mpu_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, | 105 | extern u32 omap4_prcm_mpu_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, |
100 | s16 idx); | 106 | s16 idx); |
107 | extern 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__ | ||
19 | extern void __iomem *prm_base; | ||
20 | extern 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 | */ | ||
110 | struct 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 | */ | ||
119 | struct prm_ll_data { | ||
120 | u32 (*read_reset_sources)(void); | ||
121 | }; | ||
122 | |||
123 | extern int prm_register(struct prm_ll_data *pld); | ||
124 | extern int prm_unregister(struct prm_ll_data *pld); | ||
125 | |||
126 | extern 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 | */ | ||
37 | static 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 | */ | ||
53 | static 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 | */ | ||
77 | void 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 | |||
85 | int 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 | |||
93 | int 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 | |||
101 | struct 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 | |||
117 | static struct prm_ll_data omap2xxx_prm_ll_data = { | ||
118 | .read_reset_sources = &omap2xxx_prm_read_reset_sources, | ||
119 | }; | ||
120 | |||
121 | static 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 | } | ||
128 | subsys_initcall(omap2xxx_prm_init); | ||
129 | |||
130 | static 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 */ | ||
124 | extern int omap2xxx_clkdm_sleep(struct clockdomain *clkdm); | ||
125 | extern int omap2xxx_clkdm_wakeup(struct clockdomain *clkdm); | ||
126 | |||
127 | extern void omap2xxx_prm_dpll_reset(void); | ||
128 | |||
129 | extern int __init prm2xxx_init(void); | ||
130 | extern 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 | |||
31 | static const struct omap_prcm_irq omap3_prcm_irqs[] = { | ||
32 | OMAP_PRCM_IRQ("wkup", 0, 0), | ||
33 | OMAP_PRCM_IRQ("io", 9, 1), | ||
34 | }; | ||
35 | |||
36 | static 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 | u32 omap2_prm_read_mod_reg(s16 module, u16 idx) | ||
50 | { | ||
51 | return __raw_readl(prm_base + module + idx); | ||
52 | } | ||
53 | |||
54 | void 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 */ | ||
60 | u32 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 */ | ||
73 | u32 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 | |||
84 | u32 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 | |||
89 | u32 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 | */ |
105 | int omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift) | 35 | int 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 | */ | ||
187 | struct omap3_vp { | ||
188 | u32 tranxdone_status; | ||
189 | }; | ||
190 | |||
191 | static 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 | |||
202 | u32 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 | ||
212 | void omap3_prm_vp_clear_txdone(u8 vp_id) | 105 | /* Common functions across OMAP2 and OMAP3 */ |
106 | int 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 | ||
220 | u32 omap3_prm_vcvp_read(u8 offset) | 114 | int 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 | ||
225 | void omap3_prm_vcvp_write(u32 val, u8 offset) | 121 | int 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 | ||
230 | u32 omap3_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset) | 128 | int 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 | /** | 141 | int 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 | */ | ||
243 | void 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 | /** | 154 | int 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 | */ | ||
262 | void 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 | /** | 164 | int 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 | */ | ||
278 | void 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 | /** | 174 | int 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 | */ | ||
298 | void 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 | /** | 185 | int 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 | */ | ||
313 | void 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 | /** | 212 | int 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 | */ | 220 | int omap2_clkdm_del_wkdep(struct clockdomain *clkdm1, |
344 | static 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 | |||
228 | int 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 | ||
351 | static int __init omap3xxx_prcm_init(void) | 235 | int 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 | } |
365 | subsys_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 */ |
232 | extern u32 omap2_prm_read_mod_reg(s16 module, u16 idx); | 56 | static inline u32 omap2_prm_read_mod_reg(s16 module, u16 idx) |
233 | extern void omap2_prm_write_mod_reg(u32 val, s16 module, u16 idx); | 57 | { |
234 | extern u32 omap2_prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx); | 58 | return __raw_readl(prm_base + module + idx); |
235 | extern u32 omap2_prm_set_mod_reg_bits(u32 bits, s16 module, s16 idx); | 59 | } |
236 | extern u32 omap2_prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx); | 60 | |
237 | extern u32 omap2_prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask); | 61 | static 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 */ | ||
67 | static 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 */ | ||
81 | static 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 | |||
92 | static 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 | |||
97 | static 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 */ |
240 | extern int omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift); | 103 | extern int omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift); |
241 | extern int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift); | 104 | extern int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift); |
242 | extern int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, u8 st_shift); | 105 | extern int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, u8 st_shift); |
243 | 106 | ||
244 | /* OMAP3-specific VP functions */ | 107 | extern int omap2_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst); |
245 | u32 omap3_prm_vp_check_txdone(u8 vp_id); | 108 | extern int omap2_pwrdm_read_next_pwrst(struct powerdomain *pwrdm); |
246 | void omap3_prm_vp_clear_txdone(u8 vp_id); | 109 | extern int omap2_pwrdm_read_pwrst(struct powerdomain *pwrdm); |
247 | 110 | extern int omap2_pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank, | |
248 | /* | 111 | u8 pwrst); |
249 | * OMAP3 access functions for voltage controller (VC) and | 112 | extern int omap2_pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank, |
250 | * voltage proccessor (VP) in the PRM. | 113 | u8 pwrst); |
251 | */ | 114 | extern int omap2_pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank); |
252 | extern u32 omap3_prm_vcvp_read(u8 offset); | 115 | extern int omap2_pwrdm_read_mem_retst(struct powerdomain *pwrdm, u8 bank); |
253 | extern void omap3_prm_vcvp_write(u32 val, u8 offset); | 116 | extern int omap2_pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst); |
254 | extern u32 omap3_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset); | 117 | extern int omap2_pwrdm_wait_transition(struct powerdomain *pwrdm); |
255 | 118 | ||
256 | extern void omap3xxx_prm_reconfigure_io_chain(void); | 119 | extern int omap2_clkdm_add_wkdep(struct clockdomain *clkdm1, |
257 | 120 | struct clockdomain *clkdm2); | |
258 | /* PRM interrupt-related functions */ | 121 | extern int omap2_clkdm_del_wkdep(struct clockdomain *clkdm1, |
259 | extern void omap3xxx_prm_read_pending_irqs(unsigned long *events); | 122 | struct clockdomain *clkdm2); |
260 | extern void omap3xxx_prm_ocp_barrier(void); | 123 | extern int omap2_clkdm_read_wkdep(struct clockdomain *clkdm1, |
261 | extern void omap3xxx_prm_save_and_clear_irqen(u32 *saved_mask); | 124 | struct clockdomain *clkdm2); |
262 | extern void omap3xxx_prm_restore_irqen(u32 *saved_mask); | 125 | extern 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 | |||
136 | static 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 | |||
144 | static 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 | |||
155 | static 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 | |||
166 | static 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 | |||
177 | static 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 | |||
185 | static 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 | |||
193 | static 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 | |||
207 | static 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 | |||
218 | static 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 | |||
233 | static 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 | |||
248 | static 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 | |||
263 | static 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 | |||
278 | static 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 | |||
293 | static 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 | |||
320 | struct 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 | |||
31 | static const struct omap_prcm_irq omap3_prcm_irqs[] = { | ||
32 | OMAP_PRCM_IRQ("wkup", 0, 0), | ||
33 | OMAP_PRCM_IRQ("io", 9, 1), | ||
34 | }; | ||
35 | |||
36 | static 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 | */ | ||
54 | static 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 | */ | ||
76 | struct omap3_vp { | ||
77 | u32 tranxdone_status; | ||
78 | }; | ||
79 | |||
80 | static 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 | |||
91 | u32 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 | |||
101 | void 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 | |||
109 | u32 omap3_prm_vcvp_read(u8 offset) | ||
110 | { | ||
111 | return omap2_prm_read_mod_reg(OMAP3430_GR_MOD, offset); | ||
112 | } | ||
113 | |||
114 | void omap3_prm_vcvp_write(u32 val, u8 offset) | ||
115 | { | ||
116 | omap2_prm_write_mod_reg(val, OMAP3430_GR_MOD, offset); | ||
117 | } | ||
118 | |||
119 | u32 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 | */ | ||
131 | void 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 | */ | ||
147 | void 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 | */ | ||
166 | void 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 | */ | ||
182 | void 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 | */ | ||
202 | void 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 | */ | ||
217 | void 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 | */ | ||
248 | static 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 | */ | ||
261 | static 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 */ | ||
282 | static 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 | |||
289 | static 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 | |||
296 | static 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 | |||
303 | static 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 | |||
310 | static 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 | |||
328 | static 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 | |||
338 | static 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 | |||
344 | static 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 | |||
351 | static 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 | |||
358 | struct 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 | |||
382 | static struct prm_ll_data omap3xxx_prm_ll_data = { | ||
383 | .read_reset_sources = &omap3xxx_prm_read_reset_sources, | ||
384 | }; | ||
385 | |||
386 | static 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 | } | ||
406 | subsys_initcall(omap3xxx_prm_init); | ||
407 | |||
408 | static 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 */ | ||
136 | u32 omap3_prm_vp_check_txdone(u8 vp_id); | ||
137 | void 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 | */ | ||
143 | extern u32 omap3_prm_vcvp_read(u8 offset); | ||
144 | extern void omap3_prm_vcvp_write(u32 val, u8 offset); | ||
145 | extern u32 omap3_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset); | ||
146 | |||
147 | extern void omap3xxx_prm_reconfigure_io_chain(void); | ||
148 | |||
149 | /* PRM interrupt-related functions */ | ||
150 | extern void omap3xxx_prm_read_pending_irqs(unsigned long *events); | ||
151 | extern void omap3xxx_prm_ocp_barrier(void); | ||
152 | extern void omap3xxx_prm_save_and_clear_irqen(u32 *saved_mask); | ||
153 | extern void omap3xxx_prm_restore_irqen(u32 *saved_mask); | ||
154 | |||
155 | extern void omap3xxx_prm_dpll3_reset(void); | ||
156 | |||
157 | extern 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 | ||
31 | static const struct omap_prcm_irq omap4_prcm_irqs[] = { | 34 | static 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 | */ | ||
58 | static 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 | ||
294 | static 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 | */ | ||
330 | static 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 | |||
351 | static 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 | |||
360 | static 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 | |||
372 | static 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 | |||
384 | static 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 | |||
396 | static 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 | |||
405 | static 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 | |||
414 | static 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 | |||
426 | static 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 | |||
440 | static 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 | |||
454 | static 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 | |||
466 | static 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 | */ | ||
491 | static 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 | |||
506 | static 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 | |||
520 | static 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 | */ | ||
548 | static 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 | |||
563 | static 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 | } |
302 | subsys_initcall(omap4xxx_prcm_init); | 591 | |
592 | struct 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 | */ | ||
614 | static struct prm_ll_data omap44xx_prm_ll_data = { | ||
615 | .read_reset_sources = &omap44xx_prm_read_reset_sources, | ||
616 | }; | ||
617 | |||
618 | static 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 | } | ||
633 | subsys_initcall(omap44xx_prm_init); | ||
634 | |||
635 | static 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); | |||
771 | extern void omap44xx_prm_save_and_clear_irqen(u32 *saved_mask); | 771 | extern void omap44xx_prm_save_and_clear_irqen(u32 *saved_mask); |
772 | extern void omap44xx_prm_restore_irqen(u32 *saved_mask); | 772 | extern void omap44xx_prm_restore_irqen(u32 *saved_mask); |
773 | 773 | ||
774 | extern 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 | */ |
53 | static struct omap_prcm_irq_setup *prcm_irq_setup; | 54 | static struct omap_prcm_irq_setup *prcm_irq_setup; |
54 | 55 | ||
56 | /* prm_base: base virtual address of the PRM IP block */ | ||
57 | void __iomem *prm_base; | ||
58 | |||
59 | /* | ||
60 | * prm_ll_data: function pointers to SoC-specific implementations of | ||
61 | * common PRM functions | ||
62 | */ | ||
63 | static struct prm_ll_data null_prm_ll_data; | ||
64 | static 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 | */ |
327 | u32 __weak omap2_prm_read_mod_reg(s16 module, u16 idx) | 338 | void __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 | ||
333 | void __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 | */ | ||
355 | u32 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 | ||
338 | u32 __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 | ||
345 | u32 __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 | ||
351 | u32 __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 | */ | ||
378 | int 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 | ||
357 | u32 __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 | ||
363 | int __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 | ||
369 | int __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 | ||
375 | int __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 | */ | ||
402 | int 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, | |||
30 | extern int omap4_prminst_deassert_hardreset(u8 shift, u8 part, s16 inst, | 30 | extern int omap4_prminst_deassert_hardreset(u8 shift, u8 part, s16 inst, |
31 | u16 rstctrl_offs); | 31 | u16 rstctrl_offs); |
32 | 32 | ||
33 | extern 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 | ||
115 | void __init omap2_set_globals_sdrc(struct omap_globals *omap2_globals) | 115 | void __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 | ||
54 | extern 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 | |||
32 | int omap2_wd_timer_disable(struct omap_hwmod *oh) | 35 | int 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 | |||
106 | static 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 | } | ||
133 | subsys_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 | |||
30 | u32 omap_prcm_get_reset_sources(void); | ||
31 | int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, u8 idlest, | ||
32 | const char *name); | ||
33 | |||
34 | #endif | ||
35 | |||
36 | |||
37 | |||