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authorLinus Torvalds <torvalds@linux-foundation.org>2011-06-16 01:01:36 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-06-16 01:01:36 -0400
commit19a1166fa2352f9c07a5ab34a3c2aab462cff35d (patch)
tree0a99561aa026b8edc7a3621c3e32ba2314508d58 /arch
parent13fca640bb8ab611a50e0ba120b186faa2994d6c (diff)
parent7d7975a0e1da7d6e558211b6296a96f1d6bf60ce (diff)
Merge branch 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm: ARM: footbridge: fix clock event support ARM: footbridge: fix debug macros ARM: initrd: disable initrds outside of memory ARM: extend Code: line by one 16-bit quantity for Thumb instructions ARM: 6955/1: cmpxchg syscall should data abort if page not write ARM: 6954/1: zImage: fix Thumb2 breakage ARM: 6953/1: DT: don't try to access physical address zero ARM: 6949/2: mach-u300: fix compilaton warning in IO accessors Revert "ARM: 6944/1: mm: allow ASID 0 to be allocated to tasks" Revert "ARM: 6943/1: mm: use TTBR1 instead of reserved context ID" davinci: make PCM platform devices static arm: davinci: Fix fallout from generic irq chip conversion ARM: 6894/1: mmci: trigger card detect IRQs on falling and rising edges ARM: 6952/1: fix lockdep warning of "unannotated irqs-off" ARM: 6951/1: include .bss in memory layout information ARM: 6948/1: Fix .size directives for __arm{7,9}tdmi_proc_info ARM: 6947/2: mach-u300: fix compilation error in timer ARM: 6946/1: vexpress: move v2m clock init to init_early ARM: mx51/sdma: Check the chip revision in run-time arm: mxs: include asm/processor.h for cpu_relax()
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/compressed/head.S6
-rw-r--r--arch/arm/kernel/devtree.c3
-rw-r--r--arch/arm/kernel/entry-armv.S6
-rw-r--r--arch/arm/kernel/entry-common.S2
-rw-r--r--arch/arm/kernel/traps.c4
-rw-r--r--arch/arm/mach-davinci/devices-da8xx.c2
-rw-r--r--arch/arm/mach-davinci/devices.c2
-rw-r--r--arch/arm/mach-davinci/gpio.c7
-rw-r--r--arch/arm/mach-footbridge/dc21285-timer.c1
-rw-r--r--arch/arm/mach-footbridge/include/mach/debug-macro.S5
-rw-r--r--arch/arm/mach-mxs/ocotp.c2
-rw-r--r--arch/arm/mach-u300/clock.h2
-rw-r--r--arch/arm/mach-u300/include/mach/u300-regs.h22
-rw-r--r--arch/arm/mach-u300/timer.c3
-rw-r--r--arch/arm/mach-vexpress/v2m.c15
-rw-r--r--arch/arm/mm/context.c17
-rw-r--r--arch/arm/mm/init.c12
-rw-r--r--arch/arm/mm/proc-arm7tdmi.S2
-rw-r--r--arch/arm/mm/proc-arm9tdmi.S2
-rw-r--r--arch/arm/mm/proc-v7.S10
-rw-r--r--arch/arm/plat-mxc/devices/platform-imx-dma.c6
21 files changed, 76 insertions, 55 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index f9da41921c52..942fad97e447 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -691,9 +691,9 @@ proc_types:
691 691
692 .word 0x41069260 @ ARM926EJ-S (v5TEJ) 692 .word 0x41069260 @ ARM926EJ-S (v5TEJ)
693 .word 0xff0ffff0 693 .word 0xff0ffff0
694 b __arm926ejs_mmu_cache_on 694 W(b) __arm926ejs_mmu_cache_on
695 b __armv4_mmu_cache_off 695 W(b) __armv4_mmu_cache_off
696 b __armv5tej_mmu_cache_flush 696 W(b) __armv5tej_mmu_cache_flush
697 697
698 .word 0x00007000 @ ARM7 IDs 698 .word 0x00007000 @ ARM7 IDs
699 .word 0x0000f000 699 .word 0x0000f000
diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index a701e4226a6c..0cdd7b456cb2 100644
--- a/arch/arm/kernel/devtree.c
+++ b/arch/arm/kernel/devtree.c
@@ -76,6 +76,9 @@ struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys)
76 unsigned long dt_root; 76 unsigned long dt_root;
77 const char *model; 77 const char *model;
78 78
79 if (!dt_phys)
80 return NULL;
81
79 devtree = phys_to_virt(dt_phys); 82 devtree = phys_to_virt(dt_phys);
80 83
81 /* check device tree validity */ 84 /* check device tree validity */
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index e8d885676807..90c62cd51ca9 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -435,6 +435,10 @@ __irq_usr:
435 usr_entry 435 usr_entry
436 kuser_cmpxchg_check 436 kuser_cmpxchg_check
437 437
438#ifdef CONFIG_IRQSOFF_TRACER
439 bl trace_hardirqs_off
440#endif
441
438 get_thread_info tsk 442 get_thread_info tsk
439#ifdef CONFIG_PREEMPT 443#ifdef CONFIG_PREEMPT
440 ldr r8, [tsk, #TI_PREEMPT] @ get preempt count 444 ldr r8, [tsk, #TI_PREEMPT] @ get preempt count
@@ -453,7 +457,7 @@ __irq_usr:
453#endif 457#endif
454 458
455 mov why, #0 459 mov why, #0
456 b ret_to_user 460 b ret_to_user_from_irq
457 UNWIND(.fnend ) 461 UNWIND(.fnend )
458ENDPROC(__irq_usr) 462ENDPROC(__irq_usr)
459 463
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 1e7b04a40a31..b2a27b6b0046 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -64,6 +64,7 @@ work_resched:
64ENTRY(ret_to_user) 64ENTRY(ret_to_user)
65ret_slow_syscall: 65ret_slow_syscall:
66 disable_irq @ disable interrupts 66 disable_irq @ disable interrupts
67ENTRY(ret_to_user_from_irq)
67 ldr r1, [tsk, #TI_FLAGS] 68 ldr r1, [tsk, #TI_FLAGS]
68 tst r1, #_TIF_WORK_MASK 69 tst r1, #_TIF_WORK_MASK
69 bne work_pending 70 bne work_pending
@@ -75,6 +76,7 @@ no_work_pending:
75 arch_ret_to_user r1, lr 76 arch_ret_to_user r1, lr
76 77
77 restore_user_regs fast = 0, offset = 0 78 restore_user_regs fast = 0, offset = 0
79ENDPROC(ret_to_user_from_irq)
78ENDPROC(ret_to_user) 80ENDPROC(ret_to_user)
79 81
80/* 82/*
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index d52eec268b47..6807cb1e76dd 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -139,7 +139,7 @@ static void dump_instr(const char *lvl, struct pt_regs *regs)
139 fs = get_fs(); 139 fs = get_fs();
140 set_fs(KERNEL_DS); 140 set_fs(KERNEL_DS);
141 141
142 for (i = -4; i < 1; i++) { 142 for (i = -4; i < 1 + !!thumb; i++) {
143 unsigned int val, bad; 143 unsigned int val, bad;
144 144
145 if (thumb) 145 if (thumb)
@@ -563,7 +563,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs)
563 if (!pmd_present(*pmd)) 563 if (!pmd_present(*pmd))
564 goto bad_access; 564 goto bad_access;
565 pte = pte_offset_map_lock(mm, pmd, addr, &ptl); 565 pte = pte_offset_map_lock(mm, pmd, addr, &ptl);
566 if (!pte_present(*pte) || !pte_dirty(*pte)) { 566 if (!pte_present(*pte) || !pte_write(*pte) || !pte_dirty(*pte)) {
567 pte_unmap_unlock(pte, ptl); 567 pte_unmap_unlock(pte, ptl);
568 goto bad_access; 568 goto bad_access;
569 } 569 }
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 4e66881c7aee..fc4e98ea7543 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -494,7 +494,7 @@ static struct platform_device da850_mcasp_device = {
494 .resource = da850_mcasp_resources, 494 .resource = da850_mcasp_resources,
495}; 495};
496 496
497struct platform_device davinci_pcm_device = { 497static struct platform_device davinci_pcm_device = {
498 .name = "davinci-pcm-audio", 498 .name = "davinci-pcm-audio",
499 .id = -1, 499 .id = -1,
500}; 500};
diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c
index 8f4f736aa267..806a2f02b980 100644
--- a/arch/arm/mach-davinci/devices.c
+++ b/arch/arm/mach-davinci/devices.c
@@ -298,7 +298,7 @@ static void davinci_init_wdt(void)
298 298
299/*-------------------------------------------------------------------------*/ 299/*-------------------------------------------------------------------------*/
300 300
301struct platform_device davinci_pcm_device = { 301static struct platform_device davinci_pcm_device = {
302 .name = "davinci-pcm-audio", 302 .name = "davinci-pcm-audio",
303 .id = -1, 303 .id = -1,
304}; 304};
diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c
index a0b838894ac9..e7221398e5af 100644
--- a/arch/arm/mach-davinci/gpio.c
+++ b/arch/arm/mach-davinci/gpio.c
@@ -252,9 +252,11 @@ static struct irq_chip gpio_irqchip = {
252static void 252static void
253gpio_irq_handler(unsigned irq, struct irq_desc *desc) 253gpio_irq_handler(unsigned irq, struct irq_desc *desc)
254{ 254{
255 struct davinci_gpio_regs __iomem *g = irq2regs(irq); 255 struct davinci_gpio_regs __iomem *g;
256 u32 mask = 0xffff; 256 u32 mask = 0xffff;
257 257
258 g = (__force struct davinci_gpio_regs __iomem *) irq_desc_get_handler_data(desc);
259
258 /* we only care about one bank */ 260 /* we only care about one bank */
259 if (irq & 1) 261 if (irq & 1)
260 mask <<= 16; 262 mask <<= 16;
@@ -422,8 +424,7 @@ static int __init davinci_gpio_irq_setup(void)
422 424
423 /* set up all irqs in this bank */ 425 /* set up all irqs in this bank */
424 irq_set_chained_handler(bank_irq, gpio_irq_handler); 426 irq_set_chained_handler(bank_irq, gpio_irq_handler);
425 irq_set_chip_data(bank_irq, (__force void *)g); 427 irq_set_handler_data(bank_irq, (__force void *)g);
426 irq_set_handler_data(bank_irq, (void *)irq);
427 428
428 for (i = 0; i < 16 && gpio < ngpio; i++, irq++, gpio++) { 429 for (i = 0; i < 16 && gpio < ngpio; i++, irq++, gpio++) {
429 irq_set_chip(irq, &gpio_irqchip); 430 irq_set_chip(irq, &gpio_irqchip);
diff --git a/arch/arm/mach-footbridge/dc21285-timer.c b/arch/arm/mach-footbridge/dc21285-timer.c
index 5f1f9867fc70..121ad1d4fa39 100644
--- a/arch/arm/mach-footbridge/dc21285-timer.c
+++ b/arch/arm/mach-footbridge/dc21285-timer.c
@@ -103,6 +103,7 @@ static void __init footbridge_timer_init(void)
103 clockevents_calc_mult_shift(ce, mem_fclk_21285, 5); 103 clockevents_calc_mult_shift(ce, mem_fclk_21285, 5);
104 ce->max_delta_ns = clockevent_delta2ns(0xffffff, ce); 104 ce->max_delta_ns = clockevent_delta2ns(0xffffff, ce);
105 ce->min_delta_ns = clockevent_delta2ns(0x000004, ce); 105 ce->min_delta_ns = clockevent_delta2ns(0x000004, ce);
106 ce->cpumask = cpumask_of(smp_processor_id());
106 107
107 clockevents_register_device(ce); 108 clockevents_register_device(ce);
108} 109}
diff --git a/arch/arm/mach-footbridge/include/mach/debug-macro.S b/arch/arm/mach-footbridge/include/mach/debug-macro.S
index 30b971d65815..1be2eeb7a0a0 100644
--- a/arch/arm/mach-footbridge/include/mach/debug-macro.S
+++ b/arch/arm/mach-footbridge/include/mach/debug-macro.S
@@ -26,6 +26,7 @@
26#include <asm/hardware/debug-8250.S> 26#include <asm/hardware/debug-8250.S>
27 27
28#else 28#else
29#include <mach/hardware.h>
29 /* For EBSA285 debugging */ 30 /* For EBSA285 debugging */
30 .equ dc21285_high, ARMCSR_BASE & 0xff000000 31 .equ dc21285_high, ARMCSR_BASE & 0xff000000
31 .equ dc21285_low, ARMCSR_BASE & 0x00ffffff 32 .equ dc21285_low, ARMCSR_BASE & 0x00ffffff
@@ -36,8 +37,8 @@
36 .else 37 .else
37 mov \rp, #0 38 mov \rp, #0
38 .endif 39 .endif
39 orr \rv, \rp, #0x42000000 40 orr \rv, \rp, #dc21285_high
40 orr \rp, \rp, #dc21285_high 41 orr \rp, \rp, #0x42000000
41 .endm 42 .endm
42 43
43 .macro senduart,rd,rx 44 .macro senduart,rd,rx
diff --git a/arch/arm/mach-mxs/ocotp.c b/arch/arm/mach-mxs/ocotp.c
index 65157a35dbba..54add60f94c9 100644
--- a/arch/arm/mach-mxs/ocotp.c
+++ b/arch/arm/mach-mxs/ocotp.c
@@ -16,6 +16,8 @@
16#include <linux/err.h> 16#include <linux/err.h>
17#include <linux/mutex.h> 17#include <linux/mutex.h>
18 18
19#include <asm/processor.h> /* for cpu_relax() */
20
19#include <mach/mxs.h> 21#include <mach/mxs.h>
20 22
21#define OCOTP_WORD_OFFSET 0x20 23#define OCOTP_WORD_OFFSET 0x20
diff --git a/arch/arm/mach-u300/clock.h b/arch/arm/mach-u300/clock.h
index c34f3ea3017c..4f50ca8f901e 100644
--- a/arch/arm/mach-u300/clock.h
+++ b/arch/arm/mach-u300/clock.h
@@ -31,7 +31,7 @@ struct clk {
31 bool reset; 31 bool reset;
32 __u16 clk_val; 32 __u16 clk_val;
33 __s8 usecount; 33 __s8 usecount;
34 __u32 res_reg; 34 void __iomem * res_reg;
35 __u16 res_mask; 35 __u16 res_mask;
36 36
37 bool hw_ctrld; 37 bool hw_ctrld;
diff --git a/arch/arm/mach-u300/include/mach/u300-regs.h b/arch/arm/mach-u300/include/mach/u300-regs.h
index 8b85df4c8d8f..035fdc9dbdb0 100644
--- a/arch/arm/mach-u300/include/mach/u300-regs.h
+++ b/arch/arm/mach-u300/include/mach/u300-regs.h
@@ -18,6 +18,12 @@
18 * the defines are used for setting up the I/O memory mapping. 18 * the defines are used for setting up the I/O memory mapping.
19 */ 19 */
20 20
21#ifdef __ASSEMBLER__
22#define IOMEM(a) (a)
23#else
24#define IOMEM(a) (void __iomem *) a
25#endif
26
21/* NAND Flash CS0 */ 27/* NAND Flash CS0 */
22#define U300_NAND_CS0_PHYS_BASE 0x80000000 28#define U300_NAND_CS0_PHYS_BASE 0x80000000
23 29
@@ -48,13 +54,6 @@
48#endif 54#endif
49 55
50/* 56/*
51 * All the following peripherals are specified at their PHYSICAL address,
52 * so if you need to access them (in the kernel), you MUST use the macros
53 * defined in <asm/io.h> to map to the IO_ADDRESS_AHB() IO_ADDRESS_FAST()
54 * etc.
55 */
56
57/*
58 * AHB peripherals 57 * AHB peripherals
59 */ 58 */
60 59
@@ -63,11 +62,11 @@
63 62
64/* Vectored Interrupt Controller 0, servicing 32 interrupts */ 63/* Vectored Interrupt Controller 0, servicing 32 interrupts */
65#define U300_INTCON0_BASE (U300_AHB_PER_PHYS_BASE+0x1000) 64#define U300_INTCON0_BASE (U300_AHB_PER_PHYS_BASE+0x1000)
66#define U300_INTCON0_VBASE (U300_AHB_PER_VIRT_BASE+0x1000) 65#define U300_INTCON0_VBASE IOMEM(U300_AHB_PER_VIRT_BASE+0x1000)
67 66
68/* Vectored Interrupt Controller 1, servicing 32 interrupts */ 67/* Vectored Interrupt Controller 1, servicing 32 interrupts */
69#define U300_INTCON1_BASE (U300_AHB_PER_PHYS_BASE+0x2000) 68#define U300_INTCON1_BASE (U300_AHB_PER_PHYS_BASE+0x2000)
70#define U300_INTCON1_VBASE (U300_AHB_PER_VIRT_BASE+0x2000) 69#define U300_INTCON1_VBASE IOMEM(U300_AHB_PER_VIRT_BASE+0x2000)
71 70
72/* Memory Stick Pro (MSPRO) controller */ 71/* Memory Stick Pro (MSPRO) controller */
73#define U300_MSPRO_BASE (U300_AHB_PER_PHYS_BASE+0x3000) 72#define U300_MSPRO_BASE (U300_AHB_PER_PHYS_BASE+0x3000)
@@ -115,7 +114,7 @@
115 114
116/* SYSCON */ 115/* SYSCON */
117#define U300_SYSCON_BASE (U300_SLOW_PER_PHYS_BASE+0x1000) 116#define U300_SYSCON_BASE (U300_SLOW_PER_PHYS_BASE+0x1000)
118#define U300_SYSCON_VBASE (U300_SLOW_PER_VIRT_BASE+0x1000) 117#define U300_SYSCON_VBASE IOMEM(U300_SLOW_PER_VIRT_BASE+0x1000)
119 118
120/* Watchdog */ 119/* Watchdog */
121#define U300_WDOG_BASE (U300_SLOW_PER_PHYS_BASE+0x2000) 120#define U300_WDOG_BASE (U300_SLOW_PER_PHYS_BASE+0x2000)
@@ -125,7 +124,7 @@
125 124
126/* APP side special timer */ 125/* APP side special timer */
127#define U300_TIMER_APP_BASE (U300_SLOW_PER_PHYS_BASE+0x4000) 126#define U300_TIMER_APP_BASE (U300_SLOW_PER_PHYS_BASE+0x4000)
128#define U300_TIMER_APP_VBASE (U300_SLOW_PER_VIRT_BASE+0x4000) 127#define U300_TIMER_APP_VBASE IOMEM(U300_SLOW_PER_VIRT_BASE+0x4000)
129 128
130/* Keypad */ 129/* Keypad */
131#define U300_KEYPAD_BASE (U300_SLOW_PER_PHYS_BASE+0x5000) 130#define U300_KEYPAD_BASE (U300_SLOW_PER_PHYS_BASE+0x5000)
@@ -181,5 +180,4 @@
181 * Virtual accessor macros for static devices 180 * Virtual accessor macros for static devices
182 */ 181 */
183 182
184
185#endif 183#endif
diff --git a/arch/arm/mach-u300/timer.c b/arch/arm/mach-u300/timer.c
index 891cf44591e0..18d7fa0603c2 100644
--- a/arch/arm/mach-u300/timer.c
+++ b/arch/arm/mach-u300/timer.c
@@ -411,8 +411,7 @@ static void __init u300_timer_init(void)
411 /* Use general purpose timer 2 as clock source */ 411 /* Use general purpose timer 2 as clock source */
412 if (clocksource_mmio_init(U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT2CC, 412 if (clocksource_mmio_init(U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT2CC,
413 "GPT2", rate, 300, 32, clocksource_mmio_readl_up)) 413 "GPT2", rate, 300, 32, clocksource_mmio_readl_up))
414 printk(KERN_ERR "timer: failed to initialize clock " 414 pr_err("timer: failed to initialize U300 clock source\n");
415 "source %s\n", clocksource_u300_1mhz.name);
416 415
417 clockevents_calc_mult_shift(&clockevent_u300_1mhz, 416 clockevents_calc_mult_shift(&clockevent_u300_1mhz,
418 rate, APPTIMER_MIN_RANGE); 417 rate, APPTIMER_MIN_RANGE);
diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c
index 285edcd2da2a..9e6b93b1a043 100644
--- a/arch/arm/mach-vexpress/v2m.c
+++ b/arch/arm/mach-vexpress/v2m.c
@@ -46,12 +46,6 @@ static struct map_desc v2m_io_desc[] __initdata = {
46 }, 46 },
47}; 47};
48 48
49static void __init v2m_init_early(void)
50{
51 ct_desc->init_early();
52 versatile_sched_clock_init(MMIO_P2V(V2M_SYS_24MHZ), 24000000);
53}
54
55static void __init v2m_timer_init(void) 49static void __init v2m_timer_init(void)
56{ 50{
57 u32 scctrl; 51 u32 scctrl;
@@ -365,6 +359,13 @@ static struct clk_lookup v2m_lookups[] = {
365 }, 359 },
366}; 360};
367 361
362static void __init v2m_init_early(void)
363{
364 ct_desc->init_early();
365 clkdev_add_table(v2m_lookups, ARRAY_SIZE(v2m_lookups));
366 versatile_sched_clock_init(MMIO_P2V(V2M_SYS_24MHZ), 24000000);
367}
368
368static void v2m_power_off(void) 369static void v2m_power_off(void)
369{ 370{
370 if (v2m_cfg_write(SYS_CFG_SHUTDOWN | SYS_CFG_SITE_MB, 0)) 371 if (v2m_cfg_write(SYS_CFG_SHUTDOWN | SYS_CFG_SITE_MB, 0))
@@ -418,8 +419,6 @@ static void __init v2m_init(void)
418{ 419{
419 int i; 420 int i;
420 421
421 clkdev_add_table(v2m_lookups, ARRAY_SIZE(v2m_lookups));
422
423 platform_device_register(&v2m_pcie_i2c_device); 422 platform_device_register(&v2m_pcie_i2c_device);
424 platform_device_register(&v2m_ddc_i2c_device); 423 platform_device_register(&v2m_ddc_i2c_device);
425 platform_device_register(&v2m_flash_device); 424 platform_device_register(&v2m_flash_device);
diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c
index 8bfae964b133..b0ee9ba3cfab 100644
--- a/arch/arm/mm/context.c
+++ b/arch/arm/mm/context.c
@@ -24,7 +24,9 @@ DEFINE_PER_CPU(struct mm_struct *, current_mm);
24 24
25/* 25/*
26 * We fork()ed a process, and we need a new context for the child 26 * We fork()ed a process, and we need a new context for the child
27 * to run in. 27 * to run in. We reserve version 0 for initial tasks so we will
28 * always allocate an ASID. The ASID 0 is reserved for the TTBR
29 * register changing sequence.
28 */ 30 */
29void __init_new_context(struct task_struct *tsk, struct mm_struct *mm) 31void __init_new_context(struct task_struct *tsk, struct mm_struct *mm)
30{ 32{
@@ -34,11 +36,8 @@ void __init_new_context(struct task_struct *tsk, struct mm_struct *mm)
34 36
35static void flush_context(void) 37static void flush_context(void)
36{ 38{
37 u32 ttb; 39 /* set the reserved ASID before flushing the TLB */
38 /* Copy TTBR1 into TTBR0 */ 40 asm("mcr p15, 0, %0, c13, c0, 1\n" : : "r" (0));
39 asm volatile("mrc p15, 0, %0, c2, c0, 1\n"
40 "mcr p15, 0, %0, c2, c0, 0"
41 : "=r" (ttb));
42 isb(); 41 isb();
43 local_flush_tlb_all(); 42 local_flush_tlb_all();
44 if (icache_is_vivt_asid_tagged()) { 43 if (icache_is_vivt_asid_tagged()) {
@@ -94,7 +93,7 @@ static void reset_context(void *info)
94 return; 93 return;
95 94
96 smp_rmb(); 95 smp_rmb();
97 asid = cpu_last_asid + cpu; 96 asid = cpu_last_asid + cpu + 1;
98 97
99 flush_context(); 98 flush_context();
100 set_mm_context(mm, asid); 99 set_mm_context(mm, asid);
@@ -144,13 +143,13 @@ void __new_context(struct mm_struct *mm)
144 * to start a new version and flush the TLB. 143 * to start a new version and flush the TLB.
145 */ 144 */
146 if (unlikely((asid & ~ASID_MASK) == 0)) { 145 if (unlikely((asid & ~ASID_MASK) == 0)) {
147 asid = cpu_last_asid + smp_processor_id(); 146 asid = cpu_last_asid + smp_processor_id() + 1;
148 flush_context(); 147 flush_context();
149#ifdef CONFIG_SMP 148#ifdef CONFIG_SMP
150 smp_wmb(); 149 smp_wmb();
151 smp_call_function(reset_context, NULL, 1); 150 smp_call_function(reset_context, NULL, 1);
152#endif 151#endif
153 cpu_last_asid += NR_CPUS - 1; 152 cpu_last_asid += NR_CPUS;
154 } 153 }
155 154
156 set_mm_context(mm, asid); 155 set_mm_context(mm, asid);
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 2c2cce9cd8c8..c19571c40a21 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -331,6 +331,12 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc)
331#endif 331#endif
332#ifdef CONFIG_BLK_DEV_INITRD 332#ifdef CONFIG_BLK_DEV_INITRD
333 if (phys_initrd_size && 333 if (phys_initrd_size &&
334 !memblock_is_region_memory(phys_initrd_start, phys_initrd_size)) {
335 pr_err("INITRD: 0x%08lx+0x%08lx is not a memory region - disabling initrd\n",
336 phys_initrd_start, phys_initrd_size);
337 phys_initrd_start = phys_initrd_size = 0;
338 }
339 if (phys_initrd_size &&
334 memblock_is_region_reserved(phys_initrd_start, phys_initrd_size)) { 340 memblock_is_region_reserved(phys_initrd_start, phys_initrd_size)) {
335 pr_err("INITRD: 0x%08lx+0x%08lx overlaps in-use memory region - disabling initrd\n", 341 pr_err("INITRD: 0x%08lx+0x%08lx overlaps in-use memory region - disabling initrd\n",
336 phys_initrd_start, phys_initrd_size); 342 phys_initrd_start, phys_initrd_size);
@@ -635,7 +641,8 @@ void __init mem_init(void)
635 " modules : 0x%08lx - 0x%08lx (%4ld MB)\n" 641 " modules : 0x%08lx - 0x%08lx (%4ld MB)\n"
636 " .init : 0x%p" " - 0x%p" " (%4d kB)\n" 642 " .init : 0x%p" " - 0x%p" " (%4d kB)\n"
637 " .text : 0x%p" " - 0x%p" " (%4d kB)\n" 643 " .text : 0x%p" " - 0x%p" " (%4d kB)\n"
638 " .data : 0x%p" " - 0x%p" " (%4d kB)\n", 644 " .data : 0x%p" " - 0x%p" " (%4d kB)\n"
645 " .bss : 0x%p" " - 0x%p" " (%4d kB)\n",
639 646
640 MLK(UL(CONFIG_VECTORS_BASE), UL(CONFIG_VECTORS_BASE) + 647 MLK(UL(CONFIG_VECTORS_BASE), UL(CONFIG_VECTORS_BASE) +
641 (PAGE_SIZE)), 648 (PAGE_SIZE)),
@@ -657,7 +664,8 @@ void __init mem_init(void)
657 664
658 MLK_ROUNDUP(__init_begin, __init_end), 665 MLK_ROUNDUP(__init_begin, __init_end),
659 MLK_ROUNDUP(_text, _etext), 666 MLK_ROUNDUP(_text, _etext),
660 MLK_ROUNDUP(_sdata, _edata)); 667 MLK_ROUNDUP(_sdata, _edata),
668 MLK_ROUNDUP(__bss_start, __bss_stop));
661 669
662#undef MLK 670#undef MLK
663#undef MLM 671#undef MLM
diff --git a/arch/arm/mm/proc-arm7tdmi.S b/arch/arm/mm/proc-arm7tdmi.S
index e4c165ca6696..537ffcb0646d 100644
--- a/arch/arm/mm/proc-arm7tdmi.S
+++ b/arch/arm/mm/proc-arm7tdmi.S
@@ -146,7 +146,7 @@ __arm7tdmi_proc_info:
146 .long 0 146 .long 0
147 .long 0 147 .long 0
148 .long v4_cache_fns 148 .long v4_cache_fns
149 .size __arm7tdmi_proc_info, . - __arm7dmi_proc_info 149 .size __arm7tdmi_proc_info, . - __arm7tdmi_proc_info
150 150
151 .type __triscenda7_proc_info, #object 151 .type __triscenda7_proc_info, #object
152__triscenda7_proc_info: 152__triscenda7_proc_info:
diff --git a/arch/arm/mm/proc-arm9tdmi.S b/arch/arm/mm/proc-arm9tdmi.S
index 7b7ebd4d096d..546b54da1005 100644
--- a/arch/arm/mm/proc-arm9tdmi.S
+++ b/arch/arm/mm/proc-arm9tdmi.S
@@ -116,7 +116,7 @@ __arm9tdmi_proc_info:
116 .long 0 116 .long 0
117 .long 0 117 .long 0
118 .long v4_cache_fns 118 .long v4_cache_fns
119 .size __arm9tdmi_proc_info, . - __arm9dmi_proc_info 119 .size __arm9tdmi_proc_info, . - __arm9tdmi_proc_info
120 120
121 .type __p2001_proc_info, #object 121 .type __p2001_proc_info, #object
122__p2001_proc_info: 122__p2001_proc_info:
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index b3b566ec83d3..3c3867850a30 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -108,16 +108,18 @@ ENTRY(cpu_v7_switch_mm)
108#ifdef CONFIG_ARM_ERRATA_430973 108#ifdef CONFIG_ARM_ERRATA_430973
109 mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB 109 mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB
110#endif 110#endif
111 mrc p15, 0, r2, c2, c0, 1 @ load TTB 1 111#ifdef CONFIG_ARM_ERRATA_754322
112 mcr p15, 0, r2, c2, c0, 0 @ into TTB 0 112 dsb
113#endif
114 mcr p15, 0, r2, c13, c0, 1 @ set reserved context ID
115 isb
1161: mcr p15, 0, r0, c2, c0, 0 @ set TTB 0
113 isb 117 isb
114#ifdef CONFIG_ARM_ERRATA_754322 118#ifdef CONFIG_ARM_ERRATA_754322
115 dsb 119 dsb
116#endif 120#endif
117 mcr p15, 0, r1, c13, c0, 1 @ set context ID 121 mcr p15, 0, r1, c13, c0, 1 @ set context ID
118 isb 122 isb
119 mcr p15, 0, r0, c2, c0, 0 @ set TTB 0
120 isb
121#endif 123#endif
122 mov pc, lr 124 mov pc, lr
123ENDPROC(cpu_v7_switch_mm) 125ENDPROC(cpu_v7_switch_mm)
diff --git a/arch/arm/plat-mxc/devices/platform-imx-dma.c b/arch/arm/plat-mxc/devices/platform-imx-dma.c
index 3538b85ede91..b130f60ca6b7 100644
--- a/arch/arm/plat-mxc/devices/platform-imx-dma.c
+++ b/arch/arm/plat-mxc/devices/platform-imx-dma.c
@@ -139,7 +139,7 @@ static struct sdma_script_start_addrs addr_imx35_to2 = {
139#endif 139#endif
140 140
141#ifdef CONFIG_SOC_IMX51 141#ifdef CONFIG_SOC_IMX51
142static struct sdma_script_start_addrs addr_imx51_to1 = { 142static struct sdma_script_start_addrs addr_imx51 = {
143 .ap_2_ap_addr = 642, 143 .ap_2_ap_addr = 642,
144 .uart_2_mcu_addr = 817, 144 .uart_2_mcu_addr = 817,
145 .mcu_2_app_addr = 747, 145 .mcu_2_app_addr = 747,
@@ -196,7 +196,9 @@ static int __init imxXX_add_imx_dma(void)
196 196
197#if defined(CONFIG_SOC_IMX51) 197#if defined(CONFIG_SOC_IMX51)
198 if (cpu_is_mx51()) { 198 if (cpu_is_mx51()) {
199 imx51_imx_sdma_data.pdata.script_addrs = &addr_imx51_to1; 199 int to_version = mx51_revision() >> 4;
200 imx51_imx_sdma_data.pdata.to_version = to_version;
201 imx51_imx_sdma_data.pdata.script_addrs = &addr_imx51;
200 ret = imx_add_imx_sdma(&imx51_imx_sdma_data); 202 ret = imx_add_imx_sdma(&imx51_imx_sdma_data);
201 } else 203 } else
202#endif 204#endif