diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-27 15:32:36 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-27 15:32:36 -0400 |
commit | 6e029fe3737b022610ededf9e70ee84fb2bdc045 (patch) | |
tree | 0fc7a86e17014907d32e1b6dcb3b8b310b495870 /arch/arm | |
parent | 26d1e7ced7a51c9ebcff058a9671513fe1fe05b1 (diff) | |
parent | 2de59fea8b3095d1df4c729fda041625930aab4f (diff) |
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: (28 commits)
ARM: 6411/1: vexpress: set RAM latencies to 1 cycle for PL310 on ct-ca9x4 tile
ARM: 6409/1: davinci: map sram using MT_MEMORY_NONCACHED instead of MT_DEVICE
ARM: 6408/1: omap: Map only available sram memory
ARM: 6407/1: mmu: Setup MT_MEMORY and MT_MEMORY_NONCACHED L1 entries
ARM: pxa: remove pr_<level> uses of KERN_<level>
ARM: pxa168fb: clear enable bit when not active
ARM: pxa: fix cpu_is_pxa*() not expanding to zero when not configured
ARM: pxa168: fix corrected reset vector
ARM: pxa: Use PIO for PI2C communication on Palm27x
ARM: pxa: Fix Vpac270 gpio_power for MMC
ARM: 6401/1: plug a race in the alignment trap handler
ARM: 6406/1: at91sam9g45: fix i2c bus speed
leds: leds-ns2: fix locking
ARM: dove: fix __io() definition to use bus based offset
dmaengine: fix interrupt clearing for mv_xor
ARM: kirkwood: Unbreak PCIe I/O port
ARM: Fix build error when using KCONFIG_CONFIG
ARM: 6383/1: Implement phys_mem_access_prot() to avoid attributes aliasing
ARM: 6400/1: at91: fix arch_gettimeoffset fallout
ARM: 6398/1: add proc info for ARM11MPCore/Cortex-A9 from ARM
...
Diffstat (limited to 'arch/arm')
24 files changed, 199 insertions, 74 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 553b7cf17bfb..88c97bc7a6f5 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig | |||
@@ -271,7 +271,6 @@ config ARCH_AT91 | |||
271 | bool "Atmel AT91" | 271 | bool "Atmel AT91" |
272 | select ARCH_REQUIRE_GPIOLIB | 272 | select ARCH_REQUIRE_GPIOLIB |
273 | select HAVE_CLK | 273 | select HAVE_CLK |
274 | select ARCH_USES_GETTIMEOFFSET | ||
275 | help | 274 | help |
276 | This enables support for systems based on the Atmel AT91RM9200, | 275 | This enables support for systems based on the Atmel AT91RM9200, |
277 | AT91SAM9 and AT91CAP9 processors. | 276 | AT91SAM9 and AT91CAP9 processors. |
@@ -1051,6 +1050,32 @@ config ARM_ERRATA_460075 | |||
1051 | ACTLR register. Note that setting specific bits in the ACTLR register | 1050 | ACTLR register. Note that setting specific bits in the ACTLR register |
1052 | may not be available in non-secure mode. | 1051 | may not be available in non-secure mode. |
1053 | 1052 | ||
1053 | config ARM_ERRATA_742230 | ||
1054 | bool "ARM errata: DMB operation may be faulty" | ||
1055 | depends on CPU_V7 && SMP | ||
1056 | help | ||
1057 | This option enables the workaround for the 742230 Cortex-A9 | ||
1058 | (r1p0..r2p2) erratum. Under rare circumstances, a DMB instruction | ||
1059 | between two write operations may not ensure the correct visibility | ||
1060 | ordering of the two writes. This workaround sets a specific bit in | ||
1061 | the diagnostic register of the Cortex-A9 which causes the DMB | ||
1062 | instruction to behave as a DSB, ensuring the correct behaviour of | ||
1063 | the two writes. | ||
1064 | |||
1065 | config ARM_ERRATA_742231 | ||
1066 | bool "ARM errata: Incorrect hazard handling in the SCU may lead to data corruption" | ||
1067 | depends on CPU_V7 && SMP | ||
1068 | help | ||
1069 | This option enables the workaround for the 742231 Cortex-A9 | ||
1070 | (r2p0..r2p2) erratum. Under certain conditions, specific to the | ||
1071 | Cortex-A9 MPCore micro-architecture, two CPUs working in SMP mode, | ||
1072 | accessing some data located in the same cache line, may get corrupted | ||
1073 | data due to bad handling of the address hazard when the line gets | ||
1074 | replaced from one of the CPUs at the same time as another CPU is | ||
1075 | accessing it. This workaround sets specific bits in the diagnostic | ||
1076 | register of the Cortex-A9 which reduces the linefill issuing | ||
1077 | capabilities of the processor. | ||
1078 | |||
1054 | config PL310_ERRATA_588369 | 1079 | config PL310_ERRATA_588369 |
1055 | bool "Clean & Invalidate maintenance operations do not invalidate clean lines" | 1080 | bool "Clean & Invalidate maintenance operations do not invalidate clean lines" |
1056 | depends on CACHE_L2X0 && ARCH_OMAP4 | 1081 | depends on CACHE_L2X0 && ARCH_OMAP4 |
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index b23f6bc46cfa..65a7c1c588a9 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile | |||
@@ -116,5 +116,5 @@ CFLAGS_font.o := -Dstatic= | |||
116 | $(obj)/font.c: $(FONTC) | 116 | $(obj)/font.c: $(FONTC) |
117 | $(call cmd,shipped) | 117 | $(call cmd,shipped) |
118 | 118 | ||
119 | $(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile .config | 119 | $(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile $(KCONFIG_CONFIG) |
120 | @sed "$(SEDFLAGS)" < $< > $@ | 120 | @sed "$(SEDFLAGS)" < $< > $@ |
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h index ab68cf1ef80f..e90b167ea848 100644 --- a/arch/arm/include/asm/pgtable.h +++ b/arch/arm/include/asm/pgtable.h | |||
@@ -317,6 +317,10 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; } | |||
317 | #ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE | 317 | #ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE |
318 | #define pgprot_dmacoherent(prot) \ | 318 | #define pgprot_dmacoherent(prot) \ |
319 | __pgprot_modify(prot, L_PTE_MT_MASK|L_PTE_EXEC, L_PTE_MT_BUFFERABLE) | 319 | __pgprot_modify(prot, L_PTE_MT_MASK|L_PTE_EXEC, L_PTE_MT_BUFFERABLE) |
320 | #define __HAVE_PHYS_MEM_ACCESS_PROT | ||
321 | struct file; | ||
322 | extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, | ||
323 | unsigned long size, pgprot_t vma_prot); | ||
320 | #else | 324 | #else |
321 | #define pgprot_dmacoherent(prot) \ | 325 | #define pgprot_dmacoherent(prot) \ |
322 | __pgprot_modify(prot, L_PTE_MT_MASK|L_PTE_EXEC, L_PTE_MT_UNCACHED) | 326 | __pgprot_modify(prot, L_PTE_MT_MASK|L_PTE_EXEC, L_PTE_MT_UNCACHED) |
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 1b560825e1cf..7885722bdf4e 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S | |||
@@ -48,6 +48,8 @@ work_pending: | |||
48 | beq no_work_pending | 48 | beq no_work_pending |
49 | mov r0, sp @ 'regs' | 49 | mov r0, sp @ 'regs' |
50 | mov r2, why @ 'syscall' | 50 | mov r2, why @ 'syscall' |
51 | tst r1, #_TIF_SIGPENDING @ delivering a signal? | ||
52 | movne why, #0 @ prevent further restarts | ||
51 | bl do_notify_resume | 53 | bl do_notify_resume |
52 | b ret_slow_syscall @ Check work again | 54 | b ret_slow_syscall @ Check work again |
53 | 55 | ||
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c index 5e71ccd5e7d3..1276babf84d5 100644 --- a/arch/arm/mach-at91/at91sam9g45_devices.c +++ b/arch/arm/mach-at91/at91sam9g45_devices.c | |||
@@ -426,7 +426,7 @@ static struct i2c_gpio_platform_data pdata_i2c0 = { | |||
426 | .sda_is_open_drain = 1, | 426 | .sda_is_open_drain = 1, |
427 | .scl_pin = AT91_PIN_PA21, | 427 | .scl_pin = AT91_PIN_PA21, |
428 | .scl_is_open_drain = 1, | 428 | .scl_is_open_drain = 1, |
429 | .udelay = 2, /* ~100 kHz */ | 429 | .udelay = 5, /* ~100 kHz */ |
430 | }; | 430 | }; |
431 | 431 | ||
432 | static struct platform_device at91sam9g45_twi0_device = { | 432 | static struct platform_device at91sam9g45_twi0_device = { |
@@ -440,7 +440,7 @@ static struct i2c_gpio_platform_data pdata_i2c1 = { | |||
440 | .sda_is_open_drain = 1, | 440 | .sda_is_open_drain = 1, |
441 | .scl_pin = AT91_PIN_PB11, | 441 | .scl_pin = AT91_PIN_PB11, |
442 | .scl_is_open_drain = 1, | 442 | .scl_is_open_drain = 1, |
443 | .udelay = 2, /* ~100 kHz */ | 443 | .udelay = 5, /* ~100 kHz */ |
444 | }; | 444 | }; |
445 | 445 | ||
446 | static struct platform_device at91sam9g45_twi1_device = { | 446 | static struct platform_device at91sam9g45_twi1_device = { |
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c index 3d996b659ff4..9be261beae7d 100644 --- a/arch/arm/mach-davinci/dm355.c +++ b/arch/arm/mach-davinci/dm355.c | |||
@@ -769,8 +769,7 @@ static struct map_desc dm355_io_desc[] = { | |||
769 | .virtual = SRAM_VIRT, | 769 | .virtual = SRAM_VIRT, |
770 | .pfn = __phys_to_pfn(0x00010000), | 770 | .pfn = __phys_to_pfn(0x00010000), |
771 | .length = SZ_32K, | 771 | .length = SZ_32K, |
772 | /* MT_MEMORY_NONCACHED requires supersection alignment */ | 772 | .type = MT_MEMORY_NONCACHED, |
773 | .type = MT_DEVICE, | ||
774 | }, | 773 | }, |
775 | }; | 774 | }; |
776 | 775 | ||
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c index 6b6f4c643709..7781e35daec3 100644 --- a/arch/arm/mach-davinci/dm365.c +++ b/arch/arm/mach-davinci/dm365.c | |||
@@ -969,8 +969,7 @@ static struct map_desc dm365_io_desc[] = { | |||
969 | .virtual = SRAM_VIRT, | 969 | .virtual = SRAM_VIRT, |
970 | .pfn = __phys_to_pfn(0x00010000), | 970 | .pfn = __phys_to_pfn(0x00010000), |
971 | .length = SZ_32K, | 971 | .length = SZ_32K, |
972 | /* MT_MEMORY_NONCACHED requires supersection alignment */ | 972 | .type = MT_MEMORY_NONCACHED, |
973 | .type = MT_DEVICE, | ||
974 | }, | 973 | }, |
975 | }; | 974 | }; |
976 | 975 | ||
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c index 40fec315c99a..5e5b0a7831fb 100644 --- a/arch/arm/mach-davinci/dm644x.c +++ b/arch/arm/mach-davinci/dm644x.c | |||
@@ -653,8 +653,7 @@ static struct map_desc dm644x_io_desc[] = { | |||
653 | .virtual = SRAM_VIRT, | 653 | .virtual = SRAM_VIRT, |
654 | .pfn = __phys_to_pfn(0x00008000), | 654 | .pfn = __phys_to_pfn(0x00008000), |
655 | .length = SZ_16K, | 655 | .length = SZ_16K, |
656 | /* MT_MEMORY_NONCACHED requires supersection alignment */ | 656 | .type = MT_MEMORY_NONCACHED, |
657 | .type = MT_DEVICE, | ||
658 | }, | 657 | }, |
659 | }; | 658 | }; |
660 | 659 | ||
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c index e4a3df1872ac..26e8a9c7f50b 100644 --- a/arch/arm/mach-davinci/dm646x.c +++ b/arch/arm/mach-davinci/dm646x.c | |||
@@ -737,8 +737,7 @@ static struct map_desc dm646x_io_desc[] = { | |||
737 | .virtual = SRAM_VIRT, | 737 | .virtual = SRAM_VIRT, |
738 | .pfn = __phys_to_pfn(0x00010000), | 738 | .pfn = __phys_to_pfn(0x00010000), |
739 | .length = SZ_32K, | 739 | .length = SZ_32K, |
740 | /* MT_MEMORY_NONCACHED requires supersection alignment */ | 740 | .type = MT_MEMORY_NONCACHED, |
741 | .type = MT_DEVICE, | ||
742 | }, | 741 | }, |
743 | }; | 742 | }; |
744 | 743 | ||
diff --git a/arch/arm/mach-dove/include/mach/io.h b/arch/arm/mach-dove/include/mach/io.h index 3b3e4721ce2e..eb4936ff90ad 100644 --- a/arch/arm/mach-dove/include/mach/io.h +++ b/arch/arm/mach-dove/include/mach/io.h | |||
@@ -13,8 +13,8 @@ | |||
13 | 13 | ||
14 | #define IO_SPACE_LIMIT 0xffffffff | 14 | #define IO_SPACE_LIMIT 0xffffffff |
15 | 15 | ||
16 | #define __io(a) ((void __iomem *)(((a) - DOVE_PCIE0_IO_PHYS_BASE) +\ | 16 | #define __io(a) ((void __iomem *)(((a) - DOVE_PCIE0_IO_BUS_BASE) + \ |
17 | DOVE_PCIE0_IO_VIRT_BASE)) | 17 | DOVE_PCIE0_IO_VIRT_BASE)) |
18 | #define __mem_pci(a) (a) | 18 | #define __mem_pci(a) (a) |
19 | 19 | ||
20 | #endif | 20 | #endif |
diff --git a/arch/arm/mach-kirkwood/include/mach/kirkwood.h b/arch/arm/mach-kirkwood/include/mach/kirkwood.h index 93fc2ec95e76..6e924b398919 100644 --- a/arch/arm/mach-kirkwood/include/mach/kirkwood.h +++ b/arch/arm/mach-kirkwood/include/mach/kirkwood.h | |||
@@ -38,7 +38,7 @@ | |||
38 | 38 | ||
39 | #define KIRKWOOD_PCIE1_IO_PHYS_BASE 0xf3000000 | 39 | #define KIRKWOOD_PCIE1_IO_PHYS_BASE 0xf3000000 |
40 | #define KIRKWOOD_PCIE1_IO_VIRT_BASE 0xfef00000 | 40 | #define KIRKWOOD_PCIE1_IO_VIRT_BASE 0xfef00000 |
41 | #define KIRKWOOD_PCIE1_IO_BUS_BASE 0x00000000 | 41 | #define KIRKWOOD_PCIE1_IO_BUS_BASE 0x00100000 |
42 | #define KIRKWOOD_PCIE1_IO_SIZE SZ_1M | 42 | #define KIRKWOOD_PCIE1_IO_SIZE SZ_1M |
43 | 43 | ||
44 | #define KIRKWOOD_PCIE_IO_PHYS_BASE 0xf2000000 | 44 | #define KIRKWOOD_PCIE_IO_PHYS_BASE 0xf2000000 |
diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c index 55e7f00836b7..513ad3102d7c 100644 --- a/arch/arm/mach-kirkwood/pcie.c +++ b/arch/arm/mach-kirkwood/pcie.c | |||
@@ -117,7 +117,7 @@ static void __init pcie0_ioresources_init(struct pcie_port *pp) | |||
117 | * IORESOURCE_IO | 117 | * IORESOURCE_IO |
118 | */ | 118 | */ |
119 | pp->res[0].name = "PCIe 0 I/O Space"; | 119 | pp->res[0].name = "PCIe 0 I/O Space"; |
120 | pp->res[0].start = KIRKWOOD_PCIE_IO_PHYS_BASE; | 120 | pp->res[0].start = KIRKWOOD_PCIE_IO_BUS_BASE; |
121 | pp->res[0].end = pp->res[0].start + KIRKWOOD_PCIE_IO_SIZE - 1; | 121 | pp->res[0].end = pp->res[0].start + KIRKWOOD_PCIE_IO_SIZE - 1; |
122 | pp->res[0].flags = IORESOURCE_IO; | 122 | pp->res[0].flags = IORESOURCE_IO; |
123 | 123 | ||
@@ -139,7 +139,7 @@ static void __init pcie1_ioresources_init(struct pcie_port *pp) | |||
139 | * IORESOURCE_IO | 139 | * IORESOURCE_IO |
140 | */ | 140 | */ |
141 | pp->res[0].name = "PCIe 1 I/O Space"; | 141 | pp->res[0].name = "PCIe 1 I/O Space"; |
142 | pp->res[0].start = KIRKWOOD_PCIE1_IO_PHYS_BASE; | 142 | pp->res[0].start = KIRKWOOD_PCIE1_IO_BUS_BASE; |
143 | pp->res[0].end = pp->res[0].start + KIRKWOOD_PCIE1_IO_SIZE - 1; | 143 | pp->res[0].end = pp->res[0].start + KIRKWOOD_PCIE1_IO_SIZE - 1; |
144 | pp->res[0].flags = IORESOURCE_IO; | 144 | pp->res[0].flags = IORESOURCE_IO; |
145 | 145 | ||
diff --git a/arch/arm/mach-mmp/include/mach/system.h b/arch/arm/mach-mmp/include/mach/system.h index 4f5b0e0ce6cf..1a8a25edb1b4 100644 --- a/arch/arm/mach-mmp/include/mach/system.h +++ b/arch/arm/mach-mmp/include/mach/system.h | |||
@@ -9,6 +9,8 @@ | |||
9 | #ifndef __ASM_MACH_SYSTEM_H | 9 | #ifndef __ASM_MACH_SYSTEM_H |
10 | #define __ASM_MACH_SYSTEM_H | 10 | #define __ASM_MACH_SYSTEM_H |
11 | 11 | ||
12 | #include <mach/cputype.h> | ||
13 | |||
12 | static inline void arch_idle(void) | 14 | static inline void arch_idle(void) |
13 | { | 15 | { |
14 | cpu_do_idle(); | 16 | cpu_do_idle(); |
@@ -16,6 +18,9 @@ static inline void arch_idle(void) | |||
16 | 18 | ||
17 | static inline void arch_reset(char mode, const char *cmd) | 19 | static inline void arch_reset(char mode, const char *cmd) |
18 | { | 20 | { |
19 | cpu_reset(0); | 21 | if (cpu_is_pxa168()) |
22 | cpu_reset(0xffff0000); | ||
23 | else | ||
24 | cpu_reset(0); | ||
20 | } | 25 | } |
21 | #endif /* __ASM_MACH_SYSTEM_H */ | 26 | #endif /* __ASM_MACH_SYSTEM_H */ |
diff --git a/arch/arm/mach-pxa/cpufreq-pxa2xx.c b/arch/arm/mach-pxa/cpufreq-pxa2xx.c index 50d5939a78f1..58093d9e07be 100644 --- a/arch/arm/mach-pxa/cpufreq-pxa2xx.c +++ b/arch/arm/mach-pxa/cpufreq-pxa2xx.c | |||
@@ -312,8 +312,7 @@ static int pxa_set_target(struct cpufreq_policy *policy, | |||
312 | freqs.cpu = policy->cpu; | 312 | freqs.cpu = policy->cpu; |
313 | 313 | ||
314 | if (freq_debug) | 314 | if (freq_debug) |
315 | pr_debug(KERN_INFO "Changing CPU frequency to %d Mhz, " | 315 | pr_debug("Changing CPU frequency to %d Mhz, (SDRAM %d Mhz)\n", |
316 | "(SDRAM %d Mhz)\n", | ||
317 | freqs.new / 1000, (pxa_freq_settings[idx].div2) ? | 316 | freqs.new / 1000, (pxa_freq_settings[idx].div2) ? |
318 | (new_freq_mem / 2000) : (new_freq_mem / 1000)); | 317 | (new_freq_mem / 2000) : (new_freq_mem / 1000)); |
319 | 318 | ||
diff --git a/arch/arm/mach-pxa/include/mach/hardware.h b/arch/arm/mach-pxa/include/mach/hardware.h index 428cc7bda9a4..814f1458a06a 100644 --- a/arch/arm/mach-pxa/include/mach/hardware.h +++ b/arch/arm/mach-pxa/include/mach/hardware.h | |||
@@ -264,23 +264,35 @@ | |||
264 | * <= 0x2 for pxa21x/pxa25x/pxa26x/pxa27x | 264 | * <= 0x2 for pxa21x/pxa25x/pxa26x/pxa27x |
265 | * == 0x3 for pxa300/pxa310/pxa320 | 265 | * == 0x3 for pxa300/pxa310/pxa320 |
266 | */ | 266 | */ |
267 | #if defined(CONFIG_PXA25x) || defined(CONFIG_PXA27x) | ||
267 | #define __cpu_is_pxa2xx(id) \ | 268 | #define __cpu_is_pxa2xx(id) \ |
268 | ({ \ | 269 | ({ \ |
269 | unsigned int _id = (id) >> 13 & 0x7; \ | 270 | unsigned int _id = (id) >> 13 & 0x7; \ |
270 | _id <= 0x2; \ | 271 | _id <= 0x2; \ |
271 | }) | 272 | }) |
273 | #else | ||
274 | #define __cpu_is_pxa2xx(id) (0) | ||
275 | #endif | ||
272 | 276 | ||
277 | #ifdef CONFIG_PXA3xx | ||
273 | #define __cpu_is_pxa3xx(id) \ | 278 | #define __cpu_is_pxa3xx(id) \ |
274 | ({ \ | 279 | ({ \ |
275 | unsigned int _id = (id) >> 13 & 0x7; \ | 280 | unsigned int _id = (id) >> 13 & 0x7; \ |
276 | _id == 0x3; \ | 281 | _id == 0x3; \ |
277 | }) | 282 | }) |
283 | #else | ||
284 | #define __cpu_is_pxa3xx(id) (0) | ||
285 | #endif | ||
278 | 286 | ||
287 | #if defined(CONFIG_CPU_PXA930) || defined(CONFIG_CPU_PXA935) | ||
279 | #define __cpu_is_pxa93x(id) \ | 288 | #define __cpu_is_pxa93x(id) \ |
280 | ({ \ | 289 | ({ \ |
281 | unsigned int _id = (id) >> 4 & 0xfff; \ | 290 | unsigned int _id = (id) >> 4 & 0xfff; \ |
282 | _id == 0x683 || _id == 0x693; \ | 291 | _id == 0x683 || _id == 0x693; \ |
283 | }) | 292 | }) |
293 | #else | ||
294 | #define __cpu_is_pxa93x(id) (0) | ||
295 | #endif | ||
284 | 296 | ||
285 | #define cpu_is_pxa2xx() \ | 297 | #define cpu_is_pxa2xx() \ |
286 | ({ \ | 298 | ({ \ |
diff --git a/arch/arm/mach-pxa/palm27x.c b/arch/arm/mach-pxa/palm27x.c index 77ad6d34ab5b..405b92a29793 100644 --- a/arch/arm/mach-pxa/palm27x.c +++ b/arch/arm/mach-pxa/palm27x.c | |||
@@ -469,9 +469,13 @@ static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = { | |||
469 | }, | 469 | }, |
470 | }; | 470 | }; |
471 | 471 | ||
472 | static struct i2c_pxa_platform_data palm27x_i2c_power_info = { | ||
473 | .use_pio = 1, | ||
474 | }; | ||
475 | |||
472 | void __init palm27x_pmic_init(void) | 476 | void __init palm27x_pmic_init(void) |
473 | { | 477 | { |
474 | i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info)); | 478 | i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info)); |
475 | pxa27x_set_i2c_power_info(NULL); | 479 | pxa27x_set_i2c_power_info(&palm27x_i2c_power_info); |
476 | } | 480 | } |
477 | #endif | 481 | #endif |
diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c index c9b747cedea8..37d6173bbb66 100644 --- a/arch/arm/mach-pxa/vpac270.c +++ b/arch/arm/mach-pxa/vpac270.c | |||
@@ -240,6 +240,7 @@ static void __init vpac270_onenand_init(void) {} | |||
240 | #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) | 240 | #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) |
241 | static struct pxamci_platform_data vpac270_mci_platform_data = { | 241 | static struct pxamci_platform_data vpac270_mci_platform_data = { |
242 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, | 242 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
243 | .gpio_power = -1, | ||
243 | .gpio_card_detect = GPIO53_VPAC270_SD_DETECT_N, | 244 | .gpio_card_detect = GPIO53_VPAC270_SD_DETECT_N, |
244 | .gpio_card_ro = GPIO52_VPAC270_SD_READONLY, | 245 | .gpio_card_ro = GPIO52_VPAC270_SD_READONLY, |
245 | .detect_delay_ms = 200, | 246 | .detect_delay_ms = 200, |
diff --git a/arch/arm/mach-u300/include/mach/gpio.h b/arch/arm/mach-u300/include/mach/gpio.h index 7b1fc984abb6..d5a71abcbaea 100644 --- a/arch/arm/mach-u300/include/mach/gpio.h +++ b/arch/arm/mach-u300/include/mach/gpio.h | |||
@@ -273,6 +273,9 @@ extern void gpio_pullup(unsigned gpio, int value); | |||
273 | extern int gpio_get_value(unsigned gpio); | 273 | extern int gpio_get_value(unsigned gpio); |
274 | extern void gpio_set_value(unsigned gpio, int value); | 274 | extern void gpio_set_value(unsigned gpio, int value); |
275 | 275 | ||
276 | #define gpio_get_value_cansleep gpio_get_value | ||
277 | #define gpio_set_value_cansleep gpio_set_value | ||
278 | |||
276 | /* wrappers to sleep-enable the previous two functions */ | 279 | /* wrappers to sleep-enable the previous two functions */ |
277 | static inline unsigned gpio_to_irq(unsigned gpio) | 280 | static inline unsigned gpio_to_irq(unsigned gpio) |
278 | { | 281 | { |
diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c index 577df6cccb08..efb127022d42 100644 --- a/arch/arm/mach-vexpress/ct-ca9x4.c +++ b/arch/arm/mach-vexpress/ct-ca9x4.c | |||
@@ -227,7 +227,13 @@ static void ct_ca9x4_init(void) | |||
227 | int i; | 227 | int i; |
228 | 228 | ||
229 | #ifdef CONFIG_CACHE_L2X0 | 229 | #ifdef CONFIG_CACHE_L2X0 |
230 | l2x0_init(MMIO_P2V(CT_CA9X4_L2CC), 0x00000000, 0xfe0fffff); | 230 | void __iomem *l2x0_base = MMIO_P2V(CT_CA9X4_L2CC); |
231 | |||
232 | /* set RAM latencies to 1 cycle for this core tile. */ | ||
233 | writel(0, l2x0_base + L2X0_TAG_LATENCY_CTRL); | ||
234 | writel(0, l2x0_base + L2X0_DATA_LATENCY_CTRL); | ||
235 | |||
236 | l2x0_init(l2x0_base, 0x00400000, 0xfe0fffff); | ||
231 | #endif | 237 | #endif |
232 | 238 | ||
233 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); | 239 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); |
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c index d073b64ae87e..724ba3bce72c 100644 --- a/arch/arm/mm/alignment.c +++ b/arch/arm/mm/alignment.c | |||
@@ -885,8 +885,23 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs) | |||
885 | 885 | ||
886 | if (ai_usermode & UM_SIGNAL) | 886 | if (ai_usermode & UM_SIGNAL) |
887 | force_sig(SIGBUS, current); | 887 | force_sig(SIGBUS, current); |
888 | else | 888 | else { |
889 | set_cr(cr_no_alignment); | 889 | /* |
890 | * We're about to disable the alignment trap and return to | ||
891 | * user space. But if an interrupt occurs before actually | ||
892 | * reaching user space, then the IRQ vector entry code will | ||
893 | * notice that we were still in kernel space and therefore | ||
894 | * the alignment trap won't be re-enabled in that case as it | ||
895 | * is presumed to be always on from kernel space. | ||
896 | * Let's prevent that race by disabling interrupts here (they | ||
897 | * are disabled on the way back to user space anyway in | ||
898 | * entry-common.S) and disable the alignment trap only if | ||
899 | * there is no work pending for this thread. | ||
900 | */ | ||
901 | raw_local_irq_disable(); | ||
902 | if (!(current_thread_info()->flags & _TIF_WORK_MASK)) | ||
903 | set_cr(cr_no_alignment); | ||
904 | } | ||
890 | 905 | ||
891 | return 0; | 906 | return 0; |
892 | } | 907 | } |
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 6e1c4f6a2b3f..6a3a2d0cd6db 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c | |||
@@ -15,6 +15,7 @@ | |||
15 | #include <linux/nodemask.h> | 15 | #include <linux/nodemask.h> |
16 | #include <linux/memblock.h> | 16 | #include <linux/memblock.h> |
17 | #include <linux/sort.h> | 17 | #include <linux/sort.h> |
18 | #include <linux/fs.h> | ||
18 | 19 | ||
19 | #include <asm/cputype.h> | 20 | #include <asm/cputype.h> |
20 | #include <asm/sections.h> | 21 | #include <asm/sections.h> |
@@ -246,6 +247,9 @@ static struct mem_type mem_types[] = { | |||
246 | .domain = DOMAIN_USER, | 247 | .domain = DOMAIN_USER, |
247 | }, | 248 | }, |
248 | [MT_MEMORY] = { | 249 | [MT_MEMORY] = { |
250 | .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | | ||
251 | L_PTE_USER | L_PTE_EXEC, | ||
252 | .prot_l1 = PMD_TYPE_TABLE, | ||
249 | .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE, | 253 | .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE, |
250 | .domain = DOMAIN_KERNEL, | 254 | .domain = DOMAIN_KERNEL, |
251 | }, | 255 | }, |
@@ -254,6 +258,9 @@ static struct mem_type mem_types[] = { | |||
254 | .domain = DOMAIN_KERNEL, | 258 | .domain = DOMAIN_KERNEL, |
255 | }, | 259 | }, |
256 | [MT_MEMORY_NONCACHED] = { | 260 | [MT_MEMORY_NONCACHED] = { |
261 | .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | | ||
262 | L_PTE_USER | L_PTE_EXEC | L_PTE_MT_BUFFERABLE, | ||
263 | .prot_l1 = PMD_TYPE_TABLE, | ||
257 | .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE, | 264 | .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE, |
258 | .domain = DOMAIN_KERNEL, | 265 | .domain = DOMAIN_KERNEL, |
259 | }, | 266 | }, |
@@ -411,9 +418,12 @@ static void __init build_mem_type_table(void) | |||
411 | * Enable CPU-specific coherency if supported. | 418 | * Enable CPU-specific coherency if supported. |
412 | * (Only available on XSC3 at the moment.) | 419 | * (Only available on XSC3 at the moment.) |
413 | */ | 420 | */ |
414 | if (arch_is_coherent() && cpu_is_xsc3()) | 421 | if (arch_is_coherent() && cpu_is_xsc3()) { |
415 | mem_types[MT_MEMORY].prot_sect |= PMD_SECT_S; | 422 | mem_types[MT_MEMORY].prot_sect |= PMD_SECT_S; |
416 | 423 | mem_types[MT_MEMORY].prot_pte |= L_PTE_SHARED; | |
424 | mem_types[MT_MEMORY_NONCACHED].prot_sect |= PMD_SECT_S; | ||
425 | mem_types[MT_MEMORY_NONCACHED].prot_pte |= L_PTE_SHARED; | ||
426 | } | ||
417 | /* | 427 | /* |
418 | * ARMv6 and above have extended page tables. | 428 | * ARMv6 and above have extended page tables. |
419 | */ | 429 | */ |
@@ -438,7 +448,9 @@ static void __init build_mem_type_table(void) | |||
438 | mem_types[MT_DEVICE_CACHED].prot_sect |= PMD_SECT_S; | 448 | mem_types[MT_DEVICE_CACHED].prot_sect |= PMD_SECT_S; |
439 | mem_types[MT_DEVICE_CACHED].prot_pte |= L_PTE_SHARED; | 449 | mem_types[MT_DEVICE_CACHED].prot_pte |= L_PTE_SHARED; |
440 | mem_types[MT_MEMORY].prot_sect |= PMD_SECT_S; | 450 | mem_types[MT_MEMORY].prot_sect |= PMD_SECT_S; |
451 | mem_types[MT_MEMORY].prot_pte |= L_PTE_SHARED; | ||
441 | mem_types[MT_MEMORY_NONCACHED].prot_sect |= PMD_SECT_S; | 452 | mem_types[MT_MEMORY_NONCACHED].prot_sect |= PMD_SECT_S; |
453 | mem_types[MT_MEMORY_NONCACHED].prot_pte |= L_PTE_SHARED; | ||
442 | #endif | 454 | #endif |
443 | } | 455 | } |
444 | 456 | ||
@@ -475,6 +487,8 @@ static void __init build_mem_type_table(void) | |||
475 | mem_types[MT_LOW_VECTORS].prot_l1 |= ecc_mask; | 487 | mem_types[MT_LOW_VECTORS].prot_l1 |= ecc_mask; |
476 | mem_types[MT_HIGH_VECTORS].prot_l1 |= ecc_mask; | 488 | mem_types[MT_HIGH_VECTORS].prot_l1 |= ecc_mask; |
477 | mem_types[MT_MEMORY].prot_sect |= ecc_mask | cp->pmd; | 489 | mem_types[MT_MEMORY].prot_sect |= ecc_mask | cp->pmd; |
490 | mem_types[MT_MEMORY].prot_pte |= kern_pgprot; | ||
491 | mem_types[MT_MEMORY_NONCACHED].prot_sect |= ecc_mask; | ||
478 | mem_types[MT_ROM].prot_sect |= cp->pmd; | 492 | mem_types[MT_ROM].prot_sect |= cp->pmd; |
479 | 493 | ||
480 | switch (cp->pmd) { | 494 | switch (cp->pmd) { |
@@ -498,6 +512,19 @@ static void __init build_mem_type_table(void) | |||
498 | } | 512 | } |
499 | } | 513 | } |
500 | 514 | ||
515 | #ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE | ||
516 | pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, | ||
517 | unsigned long size, pgprot_t vma_prot) | ||
518 | { | ||
519 | if (!pfn_valid(pfn)) | ||
520 | return pgprot_noncached(vma_prot); | ||
521 | else if (file->f_flags & O_SYNC) | ||
522 | return pgprot_writecombine(vma_prot); | ||
523 | return vma_prot; | ||
524 | } | ||
525 | EXPORT_SYMBOL(phys_mem_access_prot); | ||
526 | #endif | ||
527 | |||
501 | #define vectors_base() (vectors_high() ? 0xffff0000 : 0) | 528 | #define vectors_base() (vectors_high() ? 0xffff0000 : 0) |
502 | 529 | ||
503 | static void __init *early_alloc(unsigned long sz) | 530 | static void __init *early_alloc(unsigned long sz) |
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 6a8506d99ee9..7563ff0141bd 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S | |||
@@ -186,13 +186,14 @@ cpu_v7_name: | |||
186 | * It is assumed that: | 186 | * It is assumed that: |
187 | * - cache type register is implemented | 187 | * - cache type register is implemented |
188 | */ | 188 | */ |
189 | __v7_setup: | 189 | __v7_ca9mp_setup: |
190 | #ifdef CONFIG_SMP | 190 | #ifdef CONFIG_SMP |
191 | mrc p15, 0, r0, c1, c0, 1 | 191 | mrc p15, 0, r0, c1, c0, 1 |
192 | tst r0, #(1 << 6) @ SMP/nAMP mode enabled? | 192 | tst r0, #(1 << 6) @ SMP/nAMP mode enabled? |
193 | orreq r0, r0, #(1 << 6) | (1 << 0) @ Enable SMP/nAMP mode and | 193 | orreq r0, r0, #(1 << 6) | (1 << 0) @ Enable SMP/nAMP mode and |
194 | mcreq p15, 0, r0, c1, c0, 1 @ TLB ops broadcasting | 194 | mcreq p15, 0, r0, c1, c0, 1 @ TLB ops broadcasting |
195 | #endif | 195 | #endif |
196 | __v7_setup: | ||
196 | adr r12, __v7_setup_stack @ the local stack | 197 | adr r12, __v7_setup_stack @ the local stack |
197 | stmia r12, {r0-r5, r7, r9, r11, lr} | 198 | stmia r12, {r0-r5, r7, r9, r11, lr} |
198 | bl v7_flush_dcache_all | 199 | bl v7_flush_dcache_all |
@@ -201,11 +202,16 @@ __v7_setup: | |||
201 | mrc p15, 0, r0, c0, c0, 0 @ read main ID register | 202 | mrc p15, 0, r0, c0, c0, 0 @ read main ID register |
202 | and r10, r0, #0xff000000 @ ARM? | 203 | and r10, r0, #0xff000000 @ ARM? |
203 | teq r10, #0x41000000 | 204 | teq r10, #0x41000000 |
204 | bne 2f | 205 | bne 3f |
205 | and r5, r0, #0x00f00000 @ variant | 206 | and r5, r0, #0x00f00000 @ variant |
206 | and r6, r0, #0x0000000f @ revision | 207 | and r6, r0, #0x0000000f @ revision |
207 | orr r0, r6, r5, lsr #20-4 @ combine variant and revision | 208 | orr r6, r6, r5, lsr #20-4 @ combine variant and revision |
209 | ubfx r0, r0, #4, #12 @ primary part number | ||
208 | 210 | ||
211 | /* Cortex-A8 Errata */ | ||
212 | ldr r10, =0x00000c08 @ Cortex-A8 primary part number | ||
213 | teq r0, r10 | ||
214 | bne 2f | ||
209 | #ifdef CONFIG_ARM_ERRATA_430973 | 215 | #ifdef CONFIG_ARM_ERRATA_430973 |
210 | teq r5, #0x00100000 @ only present in r1p* | 216 | teq r5, #0x00100000 @ only present in r1p* |
211 | mrceq p15, 0, r10, c1, c0, 1 @ read aux control register | 217 | mrceq p15, 0, r10, c1, c0, 1 @ read aux control register |
@@ -213,21 +219,42 @@ __v7_setup: | |||
213 | mcreq p15, 0, r10, c1, c0, 1 @ write aux control register | 219 | mcreq p15, 0, r10, c1, c0, 1 @ write aux control register |
214 | #endif | 220 | #endif |
215 | #ifdef CONFIG_ARM_ERRATA_458693 | 221 | #ifdef CONFIG_ARM_ERRATA_458693 |
216 | teq r0, #0x20 @ only present in r2p0 | 222 | teq r6, #0x20 @ only present in r2p0 |
217 | mrceq p15, 0, r10, c1, c0, 1 @ read aux control register | 223 | mrceq p15, 0, r10, c1, c0, 1 @ read aux control register |
218 | orreq r10, r10, #(1 << 5) @ set L1NEON to 1 | 224 | orreq r10, r10, #(1 << 5) @ set L1NEON to 1 |
219 | orreq r10, r10, #(1 << 9) @ set PLDNOP to 1 | 225 | orreq r10, r10, #(1 << 9) @ set PLDNOP to 1 |
220 | mcreq p15, 0, r10, c1, c0, 1 @ write aux control register | 226 | mcreq p15, 0, r10, c1, c0, 1 @ write aux control register |
221 | #endif | 227 | #endif |
222 | #ifdef CONFIG_ARM_ERRATA_460075 | 228 | #ifdef CONFIG_ARM_ERRATA_460075 |
223 | teq r0, #0x20 @ only present in r2p0 | 229 | teq r6, #0x20 @ only present in r2p0 |
224 | mrceq p15, 1, r10, c9, c0, 2 @ read L2 cache aux ctrl register | 230 | mrceq p15, 1, r10, c9, c0, 2 @ read L2 cache aux ctrl register |
225 | tsteq r10, #1 << 22 | 231 | tsteq r10, #1 << 22 |
226 | orreq r10, r10, #(1 << 22) @ set the Write Allocate disable bit | 232 | orreq r10, r10, #(1 << 22) @ set the Write Allocate disable bit |
227 | mcreq p15, 1, r10, c9, c0, 2 @ write the L2 cache aux ctrl register | 233 | mcreq p15, 1, r10, c9, c0, 2 @ write the L2 cache aux ctrl register |
228 | #endif | 234 | #endif |
235 | b 3f | ||
236 | |||
237 | /* Cortex-A9 Errata */ | ||
238 | 2: ldr r10, =0x00000c09 @ Cortex-A9 primary part number | ||
239 | teq r0, r10 | ||
240 | bne 3f | ||
241 | #ifdef CONFIG_ARM_ERRATA_742230 | ||
242 | cmp r6, #0x22 @ only present up to r2p2 | ||
243 | mrcle p15, 0, r10, c15, c0, 1 @ read diagnostic register | ||
244 | orrle r10, r10, #1 << 4 @ set bit #4 | ||
245 | mcrle p15, 0, r10, c15, c0, 1 @ write diagnostic register | ||
246 | #endif | ||
247 | #ifdef CONFIG_ARM_ERRATA_742231 | ||
248 | teq r6, #0x20 @ present in r2p0 | ||
249 | teqne r6, #0x21 @ present in r2p1 | ||
250 | teqne r6, #0x22 @ present in r2p2 | ||
251 | mrceq p15, 0, r10, c15, c0, 1 @ read diagnostic register | ||
252 | orreq r10, r10, #1 << 12 @ set bit #12 | ||
253 | orreq r10, r10, #1 << 22 @ set bit #22 | ||
254 | mcreq p15, 0, r10, c15, c0, 1 @ write diagnostic register | ||
255 | #endif | ||
229 | 256 | ||
230 | 2: mov r10, #0 | 257 | 3: mov r10, #0 |
231 | #ifdef HARVARD_CACHE | 258 | #ifdef HARVARD_CACHE |
232 | mcr p15, 0, r10, c7, c5, 0 @ I+BTB cache invalidate | 259 | mcr p15, 0, r10, c7, c5, 0 @ I+BTB cache invalidate |
233 | #endif | 260 | #endif |
@@ -323,6 +350,29 @@ cpu_elf_name: | |||
323 | 350 | ||
324 | .section ".proc.info.init", #alloc, #execinstr | 351 | .section ".proc.info.init", #alloc, #execinstr |
325 | 352 | ||
353 | .type __v7_ca9mp_proc_info, #object | ||
354 | __v7_ca9mp_proc_info: | ||
355 | .long 0x410fc090 @ Required ID value | ||
356 | .long 0xff0ffff0 @ Mask for ID | ||
357 | .long PMD_TYPE_SECT | \ | ||
358 | PMD_SECT_AP_WRITE | \ | ||
359 | PMD_SECT_AP_READ | \ | ||
360 | PMD_FLAGS | ||
361 | .long PMD_TYPE_SECT | \ | ||
362 | PMD_SECT_XN | \ | ||
363 | PMD_SECT_AP_WRITE | \ | ||
364 | PMD_SECT_AP_READ | ||
365 | b __v7_ca9mp_setup | ||
366 | .long cpu_arch_name | ||
367 | .long cpu_elf_name | ||
368 | .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP | ||
369 | .long cpu_v7_name | ||
370 | .long v7_processor_functions | ||
371 | .long v7wbi_tlb_fns | ||
372 | .long v6_user_fns | ||
373 | .long v7_cache_fns | ||
374 | .size __v7_ca9mp_proc_info, . - __v7_ca9mp_proc_info | ||
375 | |||
326 | /* | 376 | /* |
327 | * Match any ARMv7 processor core. | 377 | * Match any ARMv7 processor core. |
328 | */ | 378 | */ |
diff --git a/arch/arm/plat-nomadik/timer.c b/arch/arm/plat-nomadik/timer.c index ea3ca86c5283..aedf9c1d645e 100644 --- a/arch/arm/plat-nomadik/timer.c +++ b/arch/arm/plat-nomadik/timer.c | |||
@@ -1,5 +1,5 @@ | |||
1 | /* | 1 | /* |
2 | * linux/arch/arm/mach-nomadik/timer.c | 2 | * linux/arch/arm/plat-nomadik/timer.c |
3 | * | 3 | * |
4 | * Copyright (C) 2008 STMicroelectronics | 4 | * Copyright (C) 2008 STMicroelectronics |
5 | * Copyright (C) 2010 Alessandro Rubini | 5 | * Copyright (C) 2010 Alessandro Rubini |
@@ -75,7 +75,7 @@ static void nmdk_clkevt_mode(enum clock_event_mode mode, | |||
75 | cr = readl(mtu_base + MTU_CR(1)); | 75 | cr = readl(mtu_base + MTU_CR(1)); |
76 | writel(0, mtu_base + MTU_LR(1)); | 76 | writel(0, mtu_base + MTU_LR(1)); |
77 | writel(cr | MTU_CRn_ENA, mtu_base + MTU_CR(1)); | 77 | writel(cr | MTU_CRn_ENA, mtu_base + MTU_CR(1)); |
78 | writel(0x2, mtu_base + MTU_IMSC); | 78 | writel(1 << 1, mtu_base + MTU_IMSC); |
79 | break; | 79 | break; |
80 | case CLOCK_EVT_MODE_SHUTDOWN: | 80 | case CLOCK_EVT_MODE_SHUTDOWN: |
81 | case CLOCK_EVT_MODE_UNUSED: | 81 | case CLOCK_EVT_MODE_UNUSED: |
@@ -131,25 +131,23 @@ void __init nmdk_timer_init(void) | |||
131 | { | 131 | { |
132 | unsigned long rate; | 132 | unsigned long rate; |
133 | struct clk *clk0; | 133 | struct clk *clk0; |
134 | struct clk *clk1; | 134 | u32 cr = MTU_CRn_32BITS; |
135 | u32 cr; | ||
136 | 135 | ||
137 | clk0 = clk_get_sys("mtu0", NULL); | 136 | clk0 = clk_get_sys("mtu0", NULL); |
138 | BUG_ON(IS_ERR(clk0)); | 137 | BUG_ON(IS_ERR(clk0)); |
139 | 138 | ||
140 | clk1 = clk_get_sys("mtu1", NULL); | ||
141 | BUG_ON(IS_ERR(clk1)); | ||
142 | |||
143 | clk_enable(clk0); | 139 | clk_enable(clk0); |
144 | clk_enable(clk1); | ||
145 | 140 | ||
146 | /* | 141 | /* |
147 | * Tick rate is 2.4MHz for Nomadik and 110MHz for ux500: | 142 | * Tick rate is 2.4MHz for Nomadik and 2.4Mhz, 100MHz or 133 MHz |
148 | * use a divide-by-16 counter if it's more than 16MHz | 143 | * for ux500. |
144 | * Use a divide-by-16 counter if the tick rate is more than 32MHz. | ||
145 | * At 32 MHz, the timer (with 32 bit counter) can be programmed | ||
146 | * to wake-up at a max 127s a head in time. Dividing a 2.4 MHz timer | ||
147 | * with 16 gives too low timer resolution. | ||
149 | */ | 148 | */ |
150 | cr = MTU_CRn_32BITS;; | ||
151 | rate = clk_get_rate(clk0); | 149 | rate = clk_get_rate(clk0); |
152 | if (rate > 16 << 20) { | 150 | if (rate > 32000000) { |
153 | rate /= 16; | 151 | rate /= 16; |
154 | cr |= MTU_CRn_PRESCALE_16; | 152 | cr |= MTU_CRn_PRESCALE_16; |
155 | } else { | 153 | } else { |
@@ -170,15 +168,8 @@ void __init nmdk_timer_init(void) | |||
170 | pr_err("timer: failed to initialize clock source %s\n", | 168 | pr_err("timer: failed to initialize clock source %s\n", |
171 | nmdk_clksrc.name); | 169 | nmdk_clksrc.name); |
172 | 170 | ||
173 | /* Timer 1 is used for events, fix according to rate */ | 171 | /* Timer 1 is used for events */ |
174 | cr = MTU_CRn_32BITS; | 172 | |
175 | rate = clk_get_rate(clk1); | ||
176 | if (rate > 16 << 20) { | ||
177 | rate /= 16; | ||
178 | cr |= MTU_CRn_PRESCALE_16; | ||
179 | } else { | ||
180 | cr |= MTU_CRn_PRESCALE_1; | ||
181 | } | ||
182 | clockevents_calc_mult_shift(&nmdk_clkevt, rate, MTU_MIN_RANGE); | 173 | clockevents_calc_mult_shift(&nmdk_clkevt, rate, MTU_MIN_RANGE); |
183 | 174 | ||
184 | writel(cr | MTU_CRn_ONESHOT, mtu_base + MTU_CR(1)); /* off, currently */ | 175 | writel(cr | MTU_CRn_ONESHOT, mtu_base + MTU_CR(1)); /* off, currently */ |
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index 226b2e858d6c..10b3b4c63372 100644 --- a/arch/arm/plat-omap/sram.c +++ b/arch/arm/plat-omap/sram.c | |||
@@ -220,20 +220,7 @@ void __init omap_map_sram(void) | |||
220 | if (omap_sram_size == 0) | 220 | if (omap_sram_size == 0) |
221 | return; | 221 | return; |
222 | 222 | ||
223 | if (cpu_is_omap24xx()) { | ||
224 | omap_sram_io_desc[0].virtual = OMAP2_SRAM_VA; | ||
225 | |||
226 | base = OMAP2_SRAM_PA; | ||
227 | base = ROUND_DOWN(base, PAGE_SIZE); | ||
228 | omap_sram_io_desc[0].pfn = __phys_to_pfn(base); | ||
229 | } | ||
230 | |||
231 | if (cpu_is_omap34xx()) { | 223 | if (cpu_is_omap34xx()) { |
232 | omap_sram_io_desc[0].virtual = OMAP3_SRAM_VA; | ||
233 | base = OMAP3_SRAM_PA; | ||
234 | base = ROUND_DOWN(base, PAGE_SIZE); | ||
235 | omap_sram_io_desc[0].pfn = __phys_to_pfn(base); | ||
236 | |||
237 | /* | 224 | /* |
238 | * SRAM must be marked as non-cached on OMAP3 since the | 225 | * SRAM must be marked as non-cached on OMAP3 since the |
239 | * CORE DPLL M2 divider change code (in SRAM) runs with the | 226 | * CORE DPLL M2 divider change code (in SRAM) runs with the |
@@ -244,13 +231,11 @@ void __init omap_map_sram(void) | |||
244 | omap_sram_io_desc[0].type = MT_MEMORY_NONCACHED; | 231 | omap_sram_io_desc[0].type = MT_MEMORY_NONCACHED; |
245 | } | 232 | } |
246 | 233 | ||
247 | if (cpu_is_omap44xx()) { | 234 | omap_sram_io_desc[0].virtual = omap_sram_base; |
248 | omap_sram_io_desc[0].virtual = OMAP4_SRAM_VA; | 235 | base = omap_sram_start; |
249 | base = OMAP4_SRAM_PA; | 236 | base = ROUND_DOWN(base, PAGE_SIZE); |
250 | base = ROUND_DOWN(base, PAGE_SIZE); | 237 | omap_sram_io_desc[0].pfn = __phys_to_pfn(base); |
251 | omap_sram_io_desc[0].pfn = __phys_to_pfn(base); | 238 | omap_sram_io_desc[0].length = ROUND_DOWN(omap_sram_size, PAGE_SIZE); |
252 | } | ||
253 | omap_sram_io_desc[0].length = 1024 * 1024; /* Use section desc */ | ||
254 | iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc)); | 239 | iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc)); |
255 | 240 | ||
256 | printk(KERN_INFO "SRAM: Mapped pa 0x%08lx to va 0x%08lx size: 0x%lx\n", | 241 | printk(KERN_INFO "SRAM: Mapped pa 0x%08lx to va 0x%08lx size: 0x%lx\n", |