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-rw-r--r--arch/arm/mach-sa1100/collie.c3
-rw-r--r--arch/arm/mach-sa1100/include/mach/memory.h2
-rw-r--r--arch/arm/mach-sa1100/pm.c12
-rw-r--r--arch/arm/mach-sa1100/sleep.S72
4 files changed, 11 insertions, 78 deletions
diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index d43c5ef58eb..bd3e1bfdd6a 100644
--- a/arch/arm/mach-sa1100/collie.c
+++ b/arch/arm/mach-sa1100/collie.c
@@ -241,6 +241,9 @@ static struct locomo_platform_data locomo_info = {
struct platform_device collie_locomo_device = {
.name = "locomo",
.id = 0,
+ .dev = {
+ .platform_data = &locomo_info,
+ },
.num_resources = ARRAY_SIZE(locomo_resources),
.resource = locomo_resources,
};
diff --git a/arch/arm/mach-sa1100/include/mach/memory.h b/arch/arm/mach-sa1100/include/mach/memory.h
index 128a1dfa96b..a44da6a2916 100644
--- a/arch/arm/mach-sa1100/include/mach/memory.h
+++ b/arch/arm/mach-sa1100/include/mach/memory.h
@@ -12,7 +12,7 @@
/*
* Physical DRAM offset is 0xc0000000 on the SA1100
*/
-#define PHYS_OFFSET UL(0xc0000000)
+#define PLAT_PHYS_OFFSET UL(0xc0000000)
#ifndef __ASSEMBLY__
diff --git a/arch/arm/mach-sa1100/pm.c b/arch/arm/mach-sa1100/pm.c
index ab9fc4470d3..c4661aab22f 100644
--- a/arch/arm/mach-sa1100/pm.c
+++ b/arch/arm/mach-sa1100/pm.c
@@ -32,8 +32,7 @@
#include <asm/system.h>
#include <asm/mach/time.h>
-extern void sa1100_cpu_suspend(void);
-extern void sa1100_cpu_resume(void);
+extern void sa1100_cpu_suspend(long);
#define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x
#define RESTORE(x) x = sleep_save[SLEEP_SAVE_##x]
@@ -73,10 +72,10 @@ static int sa11x0_pm_enter(suspend_state_t state)
RCSR = RCSR_HWR | RCSR_SWR | RCSR_WDR | RCSR_SMR;
/* set resume return address */
- PSPR = virt_to_phys(sa1100_cpu_resume);
+ PSPR = virt_to_phys(cpu_resume);
/* go zzz */
- sa1100_cpu_suspend();
+ sa1100_cpu_suspend(PLAT_PHYS_OFFSET - PAGE_OFFSET);
cpu_init();
@@ -115,11 +114,6 @@ static int sa11x0_pm_enter(suspend_state_t state)
return 0;
}
-unsigned long sleep_phys_sp(void *sp)
-{
- return virt_to_phys(sp);
-}
-
static const struct platform_suspend_ops sa11x0_pm_ops = {
.enter = sa11x0_pm_enter,
.valid = suspend_valid_only_mem,
diff --git a/arch/arm/mach-sa1100/sleep.S b/arch/arm/mach-sa1100/sleep.S
index 80f31bad707..04f2a618d4e 100644
--- a/arch/arm/mach-sa1100/sleep.S
+++ b/arch/arm/mach-sa1100/sleep.S
@@ -20,12 +20,7 @@
#include <asm/assembler.h>
#include <mach/hardware.h>
-
-
.text
-
-
-
/*
* sa1100_cpu_suspend()
*
@@ -34,27 +29,10 @@
*/
ENTRY(sa1100_cpu_suspend)
-
stmfd sp!, {r4 - r12, lr} @ save registers on stack
-
- @ get coprocessor registers
- mrc p15, 0, r4, c3, c0, 0 @ domain ID
- mrc p15, 0, r5, c2, c0, 0 @ translation table base addr
- mrc p15, 0, r6, c13, c0, 0 @ PID
- mrc p15, 0, r7, c1, c0, 0 @ control reg
-
- @ store them plus current virtual stack ptr on stack
- mov r8, sp
- stmfd sp!, {r4 - r8}
-
- @ preserve phys address of stack
- mov r0, sp
- bl sleep_phys_sp
- ldr r1, =sleep_save_sp
- str r0, [r1]
-
- @ clean data cache and invalidate WB
- bl v4wb_flush_kern_cache_all
+ mov r1, r0
+ ldr r3, =sa1100_cpu_resume @ return function
+ bl cpu_suspend
@ disable clock switching
mcr p15, 0, r1, c15, c2, 2
@@ -166,50 +144,8 @@ sa1110_sdram_controller_fix:
* cpu_sa1100_resume()
*
* entry point from bootloader into kernel during resume
- *
- * Note: Yes, part of the following code is located into the .data section.
- * This is to allow sleep_save_sp to be accessed with a relative load
- * while we can't rely on any MMU translation. We could have put
- * sleep_save_sp in the .text section as well, but some setups might
- * insist on it to be truly read-only.
*/
-
- .data
- .align 5
-ENTRY(sa1100_cpu_resume)
- mov r0, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, r0 @ set SVC, irqs off
-
- ldr r0, sleep_save_sp @ stack phys addr
- ldr r2, =resume_after_mmu @ its absolute virtual address
- ldmfd r0, {r4 - r7, sp} @ CP regs + virt stack ptr
-
- mov r1, #0
- mcr p15, 0, r1, c8, c7, 0 @ flush I+D TLBs
- mcr p15, 0, r1, c7, c7, 0 @ flush I&D cache
- mcr p15, 0, r1, c9, c0, 0 @ invalidate RB
- mcr p15, 0, r1, c9, c0, 5 @ allow user space to use RB
-
- mcr p15, 0, r4, c3, c0, 0 @ domain ID
- mcr p15, 0, r5, c2, c0, 0 @ translation table base addr
- mcr p15, 0, r6, c13, c0, 0 @ PID
- b resume_turn_on_mmu @ cache align execution
-
.align 5
-resume_turn_on_mmu:
- mcr p15, 0, r7, c1, c0, 0 @ turn on MMU, caches, etc.
- nop
- mov pc, r2 @ jump to virtual addr
- nop
- nop
- nop
-
-sleep_save_sp:
- .word 0 @ preserve stack phys ptr here
-
- .text
-resume_after_mmu:
+sa1100_cpu_resume:
mcr p15, 0, r1, c15, c1, 2 @ enable clock switching
ldmfd sp!, {r4 - r12, pc} @ return to caller
-
-