diff options
Diffstat (limited to 'arch/arm/mach-s3c2410/sleep.S')
| -rw-r--r-- | arch/arm/mach-s3c2410/sleep.S | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/arch/arm/mach-s3c2410/sleep.S b/arch/arm/mach-s3c2410/sleep.S index e977aa1..2018c2e 100644 --- a/arch/arm/mach-s3c2410/sleep.S +++ b/arch/arm/mach-s3c2410/sleep.S @@ -75,39 +75,6 @@ ENTRY(s3c2410_cpu_save) mov r0, #0 ldmfd sp, { r4 - r12, pc } - /* s3c2410_cpu_suspend - * - * put the cpu into sleep mode - */ - -ENTRY(s3c2410_cpu_suspend) - @@ prepare cpu to sleep - - ldr r4, =S3C2410_REFRESH - ldr r5, =S3C24XX_MISCCR - ldr r6, =S3C2410_CLKCON - ldr r7, [ r4 ] @ get REFRESH (and ensure in TLB) - ldr r8, [ r5 ] @ get MISCCR (and ensure in TLB) - ldr r9, [ r6 ] @ get CLKCON (and ensure in TLB) - - orr r7, r7, #S3C2410_REFRESH_SELF @ SDRAM sleep command - orr r8, r8, #S3C2410_MISCCR_SDSLEEP @ SDRAM power-down signals - orr r9, r9, #S3C2410_CLKCON_POWER @ power down command - - teq pc, #0 @ first as a trial-run to load cache - bl s3c2410_do_sleep - teq r0, r0 @ now do it for real - b s3c2410_do_sleep @ - - @@ align next bit of code to cache line - .align 8 -s3c2410_do_sleep: - streq r7, [ r4 ] @ SDRAM sleep command - streq r8, [ r5 ] @ SDRAM power-down config - streq r9, [ r6 ] @ CPU sleep -1: beq 1b - mov pc, r14 - @@ return to the caller, after having the MMU @@ turned on, this restores the last bits from the @@ stack |