From 61255ab9e853ddbbe092328c30921d2ba9434134 Mon Sep 17 00:00:00 2001 From: Rajendra Nayak Date: Fri, 26 Sep 2008 17:49:56 +0530 Subject: OMAP3: PM: MPU off-mode support Adds a 'save_state' option when calling into SRAM idle function and adds some minor cleanups of SRAM asm code. Signed-off-by: Rajendra Nayak Signed-off-by: Kevin Hilman --- arch/arm/mach-omap2/pm34xx.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'arch/arm/mach-omap2/pm34xx.c') diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 8b5bf91dc07..9fb087607e7 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -28,6 +28,7 @@ #include #include #include +#include #include @@ -223,6 +224,9 @@ static void omap_sram_idle(void) /* No need to save context */ save_state = 0; break; + case PWRDM_POWER_OFF: + save_state = 3; + break; default: /* Invalid state */ printk(KERN_ERR "Invalid mpu state in sram_idle\n"); @@ -248,7 +252,12 @@ static void omap_sram_idle(void) prm_set_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN); } - _omap_sram_idle(NULL, save_state); + /* + * omap3_arm_context is the location where ARM registers + * get saved. The restore path then reads from this + * location and restores them back. + */ + _omap_sram_idle(omap3_arm_context, save_state); cpu_init(); /* Restore table entry modified during MMU restoration */ -- cgit v1.2.3