diff options
Diffstat (limited to 'arch/arm/mach-omap1/sleep.S')
-rw-r--r-- | arch/arm/mach-omap1/sleep.S | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/arch/arm/mach-omap1/sleep.S b/arch/arm/mach-omap1/sleep.S index f111b79512ce..6192f52d531a 100644 --- a/arch/arm/mach-omap1/sleep.S +++ b/arch/arm/mach-omap1/sleep.S @@ -61,86 +61,6 @@ * */ -#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) - .align 3 -ENTRY(omap7xx_cpu_suspend) - - @ save registers on stack - stmfd sp!, {r0 - r12, lr} - - @ Drain write cache - mov r4, #0 - mcr p15, 0, r0, c7, c10, 4 - nop - - @ load base address of Traffic Controller - mov r6, #TCMIF_ASM_BASE & 0xff000000 - orr r6, r6, #TCMIF_ASM_BASE & 0x00ff0000 - orr r6, r6, #TCMIF_ASM_BASE & 0x0000ff00 - - @ prepare to put SDRAM into self-refresh manually - ldr r7, [r6, #EMIFF_SDRAM_CONFIG_ASM_OFFSET & 0xff] - orr r9, r7, #SELF_REFRESH_MODE & 0xff000000 - orr r9, r9, #SELF_REFRESH_MODE & 0x000000ff - str r9, [r6, #EMIFF_SDRAM_CONFIG_ASM_OFFSET & 0xff] - - @ prepare to put EMIFS to Sleep - ldr r8, [r6, #EMIFS_CONFIG_ASM_OFFSET & 0xff] - orr r9, r8, #IDLE_EMIFS_REQUEST & 0xff - str r9, [r6, #EMIFS_CONFIG_ASM_OFFSET & 0xff] - - @ load base address of ARM_IDLECT1 and ARM_IDLECT2 - mov r4, #CLKGEN_REG_ASM_BASE & 0xff000000 - orr r4, r4, #CLKGEN_REG_ASM_BASE & 0x00ff0000 - orr r4, r4, #CLKGEN_REG_ASM_BASE & 0x0000ff00 - - @ turn off clock domains - @ do not disable PERCK (0x04) - mov r5, #OMAP7XX_IDLECT2_SLEEP_VAL & 0xff - orr r5, r5, #OMAP7XX_IDLECT2_SLEEP_VAL & 0xff00 - strh r5, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff] - - @ request ARM idle - mov r3, #OMAP7XX_IDLECT1_SLEEP_VAL & 0xff - orr r3, r3, #OMAP7XX_IDLECT1_SLEEP_VAL & 0xff00 - strh r3, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff] - - @ disable instruction cache - mrc p15, 0, r9, c1, c0, 0 - bic r2, r9, #0x1000 - mcr p15, 0, r2, c1, c0, 0 - nop - -/* - * Let's wait for the next wake up event to wake us up. r0 can't be - * used here because r0 holds ARM_IDLECT1 - */ - mov r2, #0 - mcr p15, 0, r2, c7, c0, 4 @ wait for interrupt -/* - * omap7xx_cpu_suspend()'s resume point. - * - * It will just start executing here, so we'll restore stuff from the - * stack. - */ - @ re-enable Icache - mcr p15, 0, r9, c1, c0, 0 - - @ reset the ARM_IDLECT1 and ARM_IDLECT2. - strh r1, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff] - strh r0, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff] - - @ Restore EMIFF controls - str r7, [r6, #EMIFF_SDRAM_CONFIG_ASM_OFFSET & 0xff] - str r8, [r6, #EMIFS_CONFIG_ASM_OFFSET & 0xff] - - @ restore regs and return - ldmfd sp!, {r0 - r12, pc} - -ENTRY(omap7xx_cpu_suspend_sz) - .word . - omap7xx_cpu_suspend -#endif /* CONFIG_ARCH_OMAP730 || CONFIG_ARCH_OMAP850 */ - #ifdef CONFIG_ARCH_OMAP15XX .align 3 ENTRY(omap1510_cpu_suspend) |