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authorLinus Torvalds <torvalds@linux-foundation.org>2011-11-20 17:34:58 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-20 17:34:58 -0500
commitbb893d15b564f7711b60e0bc12966d049980582d (patch)
treea8606472dc0594451f0e2afffc612e96e973613c /arch
parent2d360fcbd851b7f9f8c23b1c30b2f3c060fa43e6 (diff)
parente5489847d6fc0ff176048b6e1cf5034507bf703a (diff)
Merge branch 'fixes' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
* 'fixes' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: ARM: wire up process_vm_writev and process_vm_readv syscalls ARM: 7160/1: setup: avoid overflowing {elf,arch}_name from proc_info_list ARM: 7158/1: add new MFP implement for NUC900 ARM: 7157/1: fix a building WARNING for nuc900 ARM: 7156/1: l2x0: fix compile error on !CONFIG_USE_OF ARM: 7155/1: arch.h: Declare 'pt_regs' locally ARM: 7154/1: mach-bcmring: fix build error in dma.c ARM: 7153/1: mach-bcmring: fix build error in core.c ARM: 7152/1: distclean: Remove generated .dtb files ARM: 7150/1: Allow kernel unaligned accesses on ARMv6+ processors ARM: 7149/1: spi/pl022: Enable clock in probe Revert "ARM: 7098/1: kdump: copy kernel relocation code at the kexec prepare stage"
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/Makefile2
-rw-r--r--arch/arm/include/asm/hardware/cache-l2x0.h2
-rw-r--r--arch/arm/include/asm/mach/arch.h1
-rw-r--r--arch/arm/include/asm/unistd.h2
-rw-r--r--arch/arm/kernel/calls.S2
-rw-r--r--arch/arm/kernel/head.S2
-rw-r--r--arch/arm/kernel/machine_kexec.c35
-rw-r--r--arch/arm/kernel/setup.c6
-rw-r--r--arch/arm/mach-bcmring/core.c2
-rw-r--r--arch/arm/mach-bcmring/dma.c1
-rw-r--r--arch/arm/mach-w90x900/dev.c4
-rw-r--r--arch/arm/mach-w90x900/include/mach/mfp.h3
-rw-r--r--arch/arm/mach-w90x900/include/mach/nuc900_spi.h2
-rw-r--r--arch/arm/mach-w90x900/mfp.c48
14 files changed, 80 insertions, 32 deletions
diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile
index 176062ac7f07..5df26a9976a2 100644
--- a/arch/arm/boot/Makefile
+++ b/arch/arm/boot/Makefile
@@ -65,6 +65,8 @@ $(obj)/%.dtb: $(src)/dts/%.dts
65 65
66$(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y)) 66$(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y))
67 67
68clean-files := *.dtb
69
68quiet_cmd_uimage = UIMAGE $@ 70quiet_cmd_uimage = UIMAGE $@
69 cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \ 71 cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \
70 -C none -a $(LOADADDR) -e $(STARTADDR) \ 72 -C none -a $(LOADADDR) -e $(STARTADDR) \
diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h
index 1db1143a9483..7df239bcdf27 100644
--- a/arch/arm/include/asm/hardware/cache-l2x0.h
+++ b/arch/arm/include/asm/hardware/cache-l2x0.h
@@ -20,6 +20,8 @@
20#ifndef __ASM_ARM_HARDWARE_L2X0_H 20#ifndef __ASM_ARM_HARDWARE_L2X0_H
21#define __ASM_ARM_HARDWARE_L2X0_H 21#define __ASM_ARM_HARDWARE_L2X0_H
22 22
23#include <linux/errno.h>
24
23#define L2X0_CACHE_ID 0x000 25#define L2X0_CACHE_ID 0x000
24#define L2X0_CACHE_TYPE 0x004 26#define L2X0_CACHE_TYPE 0x004
25#define L2X0_CTRL 0x100 27#define L2X0_CTRL 0x100
diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h
index 7d19425dd496..2b0efc3104ac 100644
--- a/arch/arm/include/asm/mach/arch.h
+++ b/arch/arm/include/asm/mach/arch.h
@@ -13,6 +13,7 @@
13struct tag; 13struct tag;
14struct meminfo; 14struct meminfo;
15struct sys_timer; 15struct sys_timer;
16struct pt_regs;
16 17
17struct machine_desc { 18struct machine_desc {
18 unsigned int nr; /* architecture number */ 19 unsigned int nr; /* architecture number */
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index c60a2944f95b..4a1123783806 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -402,6 +402,8 @@
402#define __NR_syncfs (__NR_SYSCALL_BASE+373) 402#define __NR_syncfs (__NR_SYSCALL_BASE+373)
403#define __NR_sendmmsg (__NR_SYSCALL_BASE+374) 403#define __NR_sendmmsg (__NR_SYSCALL_BASE+374)
404#define __NR_setns (__NR_SYSCALL_BASE+375) 404#define __NR_setns (__NR_SYSCALL_BASE+375)
405#define __NR_process_vm_readv (__NR_SYSCALL_BASE+376)
406#define __NR_process_vm_writev (__NR_SYSCALL_BASE+377)
405 407
406/* 408/*
407 * The following SWIs are ARM private. 409 * The following SWIs are ARM private.
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 9943e9e74a1b..463ff4a0ec8a 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -385,6 +385,8 @@
385 CALL(sys_syncfs) 385 CALL(sys_syncfs)
386 CALL(sys_sendmmsg) 386 CALL(sys_sendmmsg)
387/* 375 */ CALL(sys_setns) 387/* 375 */ CALL(sys_setns)
388 CALL(sys_process_vm_readv)
389 CALL(sys_process_vm_writev)
388#ifndef syscalls_counted 390#ifndef syscalls_counted
389.equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls 391.equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
390#define syscalls_counted 392#define syscalls_counted
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 566c54c2a1fe..08c82fd844a8 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -360,7 +360,7 @@ __secondary_data:
360 * r13 = *virtual* address to jump to upon completion 360 * r13 = *virtual* address to jump to upon completion
361 */ 361 */
362__enable_mmu: 362__enable_mmu:
363#ifdef CONFIG_ALIGNMENT_TRAP 363#if defined(CONFIG_ALIGNMENT_TRAP) && __LINUX_ARM_ARCH__ < 6
364 orr r0, r0, #CR_A 364 orr r0, r0, #CR_A
365#else 365#else
366 bic r0, r0, #CR_A 366 bic r0, r0, #CR_A
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index c1b4463dcc83..e59bbd496c39 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -32,24 +32,6 @@ static atomic_t waiting_for_crash_ipi;
32 32
33int machine_kexec_prepare(struct kimage *image) 33int machine_kexec_prepare(struct kimage *image)
34{ 34{
35 unsigned long page_list;
36 void *reboot_code_buffer;
37 page_list = image->head & PAGE_MASK;
38
39 reboot_code_buffer = page_address(image->control_code_page);
40
41 /* Prepare parameters for reboot_code_buffer*/
42 kexec_start_address = image->start;
43 kexec_indirection_page = page_list;
44 kexec_mach_type = machine_arch_type;
45 kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET;
46
47 /* copy our kernel relocation code to the control code page */
48 memcpy(reboot_code_buffer,
49 relocate_new_kernel, relocate_new_kernel_size);
50
51 flush_icache_range((unsigned long) reboot_code_buffer,
52 (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
53 return 0; 35 return 0;
54} 36}
55 37
@@ -100,14 +82,31 @@ void (*kexec_reinit)(void);
100 82
101void machine_kexec(struct kimage *image) 83void machine_kexec(struct kimage *image)
102{ 84{
85 unsigned long page_list;
103 unsigned long reboot_code_buffer_phys; 86 unsigned long reboot_code_buffer_phys;
104 void *reboot_code_buffer; 87 void *reboot_code_buffer;
105 88
89
90 page_list = image->head & PAGE_MASK;
91
106 /* we need both effective and real address here */ 92 /* we need both effective and real address here */
107 reboot_code_buffer_phys = 93 reboot_code_buffer_phys =
108 page_to_pfn(image->control_code_page) << PAGE_SHIFT; 94 page_to_pfn(image->control_code_page) << PAGE_SHIFT;
109 reboot_code_buffer = page_address(image->control_code_page); 95 reboot_code_buffer = page_address(image->control_code_page);
110 96
97 /* Prepare parameters for reboot_code_buffer*/
98 kexec_start_address = image->start;
99 kexec_indirection_page = page_list;
100 kexec_mach_type = machine_arch_type;
101 kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET;
102
103 /* copy our kernel relocation code to the control code page */
104 memcpy(reboot_code_buffer,
105 relocate_new_kernel, relocate_new_kernel_size);
106
107
108 flush_icache_range((unsigned long) reboot_code_buffer,
109 (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
111 printk(KERN_INFO "Bye!\n"); 110 printk(KERN_INFO "Bye!\n");
112 111
113 if (kexec_reinit) 112 if (kexec_reinit)
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 7e7977ab994f..3448a3f9cc8c 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -461,8 +461,10 @@ static void __init setup_processor(void)
461 cpu_name, read_cpuid_id(), read_cpuid_id() & 15, 461 cpu_name, read_cpuid_id(), read_cpuid_id() & 15,
462 proc_arch[cpu_architecture()], cr_alignment); 462 proc_arch[cpu_architecture()], cr_alignment);
463 463
464 sprintf(init_utsname()->machine, "%s%c", list->arch_name, ENDIANNESS); 464 snprintf(init_utsname()->machine, __NEW_UTS_LEN + 1, "%s%c",
465 sprintf(elf_platform, "%s%c", list->elf_name, ENDIANNESS); 465 list->arch_name, ENDIANNESS);
466 snprintf(elf_platform, ELF_PLATFORM_SIZE, "%s%c",
467 list->elf_name, ENDIANNESS);
466 elf_hwcap = list->elf_hwcap; 468 elf_hwcap = list->elf_hwcap;
467#ifndef CONFIG_ARM_THUMB 469#ifndef CONFIG_ARM_THUMB
468 elf_hwcap &= ~HWCAP_THUMB; 470 elf_hwcap &= ~HWCAP_THUMB;
diff --git a/arch/arm/mach-bcmring/core.c b/arch/arm/mach-bcmring/core.c
index 43eadbcc29ed..430da120a297 100644
--- a/arch/arm/mach-bcmring/core.c
+++ b/arch/arm/mach-bcmring/core.c
@@ -235,7 +235,7 @@ void __init bcmring_init_timer(void)
235 */ 235 */
236 bcmring_clocksource_init(); 236 bcmring_clocksource_init();
237 237
238 sp804_clockevents_register(TIMER0_VA_BASE, IRQ_TIMER0, "timer0"); 238 sp804_clockevents_init(TIMER0_VA_BASE, IRQ_TIMER0, "timer0");
239} 239}
240 240
241struct sys_timer bcmring_timer = { 241struct sys_timer bcmring_timer = {
diff --git a/arch/arm/mach-bcmring/dma.c b/arch/arm/mach-bcmring/dma.c
index b52b8de91bde..f4d4d6d174d0 100644
--- a/arch/arm/mach-bcmring/dma.c
+++ b/arch/arm/mach-bcmring/dma.c
@@ -36,6 +36,7 @@
36#include <linux/mm.h> 36#include <linux/mm.h>
37#include <linux/pfn.h> 37#include <linux/pfn.h>
38#include <linux/atomic.h> 38#include <linux/atomic.h>
39#include <linux/sched.h>
39#include <mach/dma.h> 40#include <mach/dma.h>
40 41
41/* I don't quite understand why dc4 fails when this is set to 1 and DMA is enabled */ 42/* I don't quite understand why dc4 fails when this is set to 1 and DMA is enabled */
diff --git a/arch/arm/mach-w90x900/dev.c b/arch/arm/mach-w90x900/dev.c
index 7a1fa6adb7c3..5b0c38abacc1 100644
--- a/arch/arm/mach-w90x900/dev.c
+++ b/arch/arm/mach-w90x900/dev.c
@@ -422,7 +422,7 @@ struct platform_device nuc900_device_kpi = {
422 422
423/* LCD controller*/ 423/* LCD controller*/
424 424
425static struct nuc900fb_display __initdata nuc900_lcd_info[] = { 425static struct nuc900fb_display nuc900_lcd_info[] = {
426 /* Giantplus Technology GPM1040A0 320x240 Color TFT LCD */ 426 /* Giantplus Technology GPM1040A0 320x240 Color TFT LCD */
427 [0] = { 427 [0] = {
428 .type = LCM_DCCS_VA_SRC_RGB565, 428 .type = LCM_DCCS_VA_SRC_RGB565,
@@ -445,7 +445,7 @@ static struct nuc900fb_display __initdata nuc900_lcd_info[] = {
445 }, 445 },
446}; 446};
447 447
448static struct nuc900fb_mach_info nuc900_fb_info __initdata = { 448static struct nuc900fb_mach_info nuc900_fb_info = {
449#if defined(CONFIG_GPM1040A0_320X240) 449#if defined(CONFIG_GPM1040A0_320X240)
450 .displays = &nuc900_lcd_info[0], 450 .displays = &nuc900_lcd_info[0],
451#else 451#else
diff --git a/arch/arm/mach-w90x900/include/mach/mfp.h b/arch/arm/mach-w90x900/include/mach/mfp.h
index 94c0e71617c6..23ef1f573abd 100644
--- a/arch/arm/mach-w90x900/include/mach/mfp.h
+++ b/arch/arm/mach-w90x900/include/mach/mfp.h
@@ -19,6 +19,7 @@
19extern void mfp_set_groupf(struct device *dev); 19extern void mfp_set_groupf(struct device *dev);
20extern void mfp_set_groupc(struct device *dev); 20extern void mfp_set_groupc(struct device *dev);
21extern void mfp_set_groupi(struct device *dev); 21extern void mfp_set_groupi(struct device *dev);
22extern void mfp_set_groupg(struct device *dev); 22extern void mfp_set_groupg(struct device *dev, const char *subname);
23extern void mfp_set_groupd(struct device *dev, const char *subname);
23 24
24#endif /* __ASM_ARCH_MFP_H */ 25#endif /* __ASM_ARCH_MFP_H */
diff --git a/arch/arm/mach-w90x900/include/mach/nuc900_spi.h b/arch/arm/mach-w90x900/include/mach/nuc900_spi.h
index bd94819e314f..2c4e0c128501 100644
--- a/arch/arm/mach-w90x900/include/mach/nuc900_spi.h
+++ b/arch/arm/mach-w90x900/include/mach/nuc900_spi.h
@@ -14,7 +14,7 @@
14#ifndef __ASM_ARCH_SPI_H 14#ifndef __ASM_ARCH_SPI_H
15#define __ASM_ARCH_SPI_H 15#define __ASM_ARCH_SPI_H
16 16
17extern void mfp_set_groupg(struct device *dev); 17extern void mfp_set_groupg(struct device *dev, const char *subname);
18 18
19struct nuc900_spi_info { 19struct nuc900_spi_info {
20 unsigned int num_cs; 20 unsigned int num_cs;
diff --git a/arch/arm/mach-w90x900/mfp.c b/arch/arm/mach-w90x900/mfp.c
index fb7fb627b1a5..9dd74612bb87 100644
--- a/arch/arm/mach-w90x900/mfp.c
+++ b/arch/arm/mach-w90x900/mfp.c
@@ -26,10 +26,8 @@
26#define REG_MFSEL (W90X900_VA_GCR + 0xC) 26#define REG_MFSEL (W90X900_VA_GCR + 0xC)
27 27
28#define GPSELF (0x01 << 1) 28#define GPSELF (0x01 << 1)
29
30#define GPSELC (0x03 << 2) 29#define GPSELC (0x03 << 2)
31#define ENKPI (0x02 << 2) 30#define GPSELD (0x0f << 4)
32#define ENNAND (0x01 << 2)
33 31
34#define GPSELEI0 (0x01 << 26) 32#define GPSELEI0 (0x01 << 26)
35#define GPSELEI1 (0x01 << 27) 33#define GPSELEI1 (0x01 << 27)
@@ -37,11 +35,16 @@
37#define GPIOG0TO1 (0x03 << 14) 35#define GPIOG0TO1 (0x03 << 14)
38#define GPIOG2TO3 (0x03 << 16) 36#define GPIOG2TO3 (0x03 << 16)
39#define GPIOG22TO23 (0x03 << 22) 37#define GPIOG22TO23 (0x03 << 22)
38#define GPIOG18TO20 (0x07 << 18)
40 39
41#define ENSPI (0x0a << 14) 40#define ENSPI (0x0a << 14)
42#define ENI2C0 (0x01 << 14) 41#define ENI2C0 (0x01 << 14)
43#define ENI2C1 (0x01 << 16) 42#define ENI2C1 (0x01 << 16)
44#define ENAC97 (0x02 << 22) 43#define ENAC97 (0x02 << 22)
44#define ENSD1 (0x02 << 18)
45#define ENSD0 (0x0a << 4)
46#define ENKPI (0x02 << 2)
47#define ENNAND (0x01 << 2)
45 48
46static DEFINE_MUTEX(mfp_mutex); 49static DEFINE_MUTEX(mfp_mutex);
47 50
@@ -127,16 +130,19 @@ void mfp_set_groupi(struct device *dev)
127} 130}
128EXPORT_SYMBOL(mfp_set_groupi); 131EXPORT_SYMBOL(mfp_set_groupi);
129 132
130void mfp_set_groupg(struct device *dev) 133void mfp_set_groupg(struct device *dev, const char *subname)
131{ 134{
132 unsigned long mfpen; 135 unsigned long mfpen;
133 const char *dev_id; 136 const char *dev_id;
134 137
135 BUG_ON(!dev); 138 BUG_ON((!dev) && (!subname));
136 139
137 mutex_lock(&mfp_mutex); 140 mutex_lock(&mfp_mutex);
138 141
139 dev_id = dev_name(dev); 142 if (subname != NULL)
143 dev_id = subname;
144 else
145 dev_id = dev_name(dev);
140 146
141 mfpen = __raw_readl(REG_MFSEL); 147 mfpen = __raw_readl(REG_MFSEL);
142 148
@@ -152,6 +158,9 @@ void mfp_set_groupg(struct device *dev)
152 } else if (strcmp(dev_id, "nuc900-audio") == 0) { 158 } else if (strcmp(dev_id, "nuc900-audio") == 0) {
153 mfpen &= ~(GPIOG22TO23); 159 mfpen &= ~(GPIOG22TO23);
154 mfpen |= ENAC97;/*enable AC97*/ 160 mfpen |= ENAC97;/*enable AC97*/
161 } else if (strcmp(dev_id, "nuc900-mmc-port1") == 0) {
162 mfpen &= ~(GPIOG18TO20);
163 mfpen |= (ENSD1 | 0x01);/*enable sd1*/
155 } else { 164 } else {
156 mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);/*GPIOG[3:0]*/ 165 mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);/*GPIOG[3:0]*/
157 } 166 }
@@ -162,3 +171,30 @@ void mfp_set_groupg(struct device *dev)
162} 171}
163EXPORT_SYMBOL(mfp_set_groupg); 172EXPORT_SYMBOL(mfp_set_groupg);
164 173
174void mfp_set_groupd(struct device *dev, const char *subname)
175{
176 unsigned long mfpen;
177 const char *dev_id;
178
179 BUG_ON((!dev) && (!subname));
180
181 mutex_lock(&mfp_mutex);
182
183 if (subname != NULL)
184 dev_id = subname;
185 else
186 dev_id = dev_name(dev);
187
188 mfpen = __raw_readl(REG_MFSEL);
189
190 if (strcmp(dev_id, "nuc900-mmc-port0") == 0) {
191 mfpen &= ~GPSELD;/*enable sd0*/
192 mfpen |= ENSD0;
193 } else
194 mfpen &= (~GPSELD);
195
196 __raw_writel(mfpen, REG_MFSEL);
197
198 mutex_unlock(&mfp_mutex);
199}
200EXPORT_SYMBOL(mfp_set_groupd);