diff options
Diffstat (limited to 'arch/arm/mach-omap2/pm-debug.c')
| -rw-r--r-- | arch/arm/mach-omap2/pm-debug.c | 73 |
1 files changed, 57 insertions, 16 deletions
diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index a0866268aa41..5e81517a7af2 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -25,17 +25,23 @@ #include <linux/err.h> #include <linux/io.h> #include <linux/module.h> +#include <linux/slab.h> #include <plat/clock.h> #include <plat/board.h> #include <plat/powerdomain.h> #include <plat/clockdomain.h> +#include <plat/dmtimer.h> #include "prm.h" #include "cm.h" #include "pm.h" int omap2_pm_debug; +u32 enable_off_mode; +u32 sleep_while_idle; +u32 wakeup_timer_seconds; +u32 wakeup_timer_milliseconds; #define DUMP_PRM_MOD_REG(mod, reg) \ regs[reg_count].name = #mod "." #reg; \ @@ -67,9 +73,9 @@ void omap2_pm_dump(int mode, int resume, unsigned int us) #if 0 /* MPU */ DUMP_PRM_MOD_REG(OCP_MOD, OMAP2_PRM_IRQENABLE_MPU_OFFSET); - DUMP_CM_MOD_REG(MPU_MOD, CM_CLKSTCTRL); - DUMP_PRM_MOD_REG(MPU_MOD, PM_PWSTCTRL); - DUMP_PRM_MOD_REG(MPU_MOD, PM_PWSTST); + DUMP_CM_MOD_REG(MPU_MOD, OMAP2_CM_CLKSTCTRL); + DUMP_PRM_MOD_REG(MPU_MOD, OMAP2_PM_PWSTCTRL); + DUMP_PRM_MOD_REG(MPU_MOD, OMAP2_PM_PWSTST); DUMP_PRM_MOD_REG(MPU_MOD, PM_WKDEP); #endif #if 0 @@ -93,7 +99,7 @@ void omap2_pm_dump(int mode, int resume, unsigned int us) DUMP_CM_MOD_REG(WKUP_MOD, CM_ICLKEN); DUMP_CM_MOD_REG(PLL_MOD, CM_CLKEN); DUMP_CM_MOD_REG(PLL_MOD, CM_AUTOIDLE); - DUMP_PRM_MOD_REG(CORE_MOD, PM_PWSTST); + DUMP_PRM_MOD_REG(CORE_MOD, OMAP2_PM_PWSTST); #endif #if 0 /* DSP */ @@ -103,11 +109,11 @@ void omap2_pm_dump(int mode, int resume, unsigned int us) DUMP_CM_MOD_REG(OMAP24XX_DSP_MOD, CM_IDLEST); DUMP_CM_MOD_REG(OMAP24XX_DSP_MOD, CM_AUTOIDLE); DUMP_CM_MOD_REG(OMAP24XX_DSP_MOD, CM_CLKSEL); - DUMP_CM_MOD_REG(OMAP24XX_DSP_MOD, CM_CLKSTCTRL); - DUMP_PRM_MOD_REG(OMAP24XX_DSP_MOD, RM_RSTCTRL); - DUMP_PRM_MOD_REG(OMAP24XX_DSP_MOD, RM_RSTST); - DUMP_PRM_MOD_REG(OMAP24XX_DSP_MOD, PM_PWSTCTRL); - DUMP_PRM_MOD_REG(OMAP24XX_DSP_MOD, PM_PWSTST); + DUMP_CM_MOD_REG(OMAP24XX_DSP_MOD, OMAP2_CM_CLKSTCTRL); + DUMP_PRM_MOD_REG(OMAP24XX_DSP_MOD, OMAP2_RM_RSTCTRL); + DUMP_PRM_MOD_REG(OMAP24XX_DSP_MOD, OMAP2_RM_RSTST); + DUMP_PRM_MOD_REG(OMAP24XX_DSP_MOD, OMAP2_PM_PWSTCTRL); + DUMP_PRM_MOD_REG(OMAP24XX_DSP_MOD, OMAP2_PM_PWSTST); } #endif } else { @@ -161,7 +167,7 @@ void omap2_pm_dump(int mode, int resume, unsigned int us) static void pm_dbg_regset_store(u32 *ptr); -struct dentry *pm_dbg_dir; +static struct dentry *pm_dbg_dir; static int pm_dbg_init_done; @@ -348,6 +354,23 @@ void pm_dbg_update_time(struct powerdomain *pwrdm, int prev) pwrdm->timer = t; } +void omap2_pm_wakeup_on_timer(u32 seconds, u32 milliseconds) +{ + u32 tick_rate, cycles; + + if (!seconds && !milliseconds) + return; + + tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gptimer_wakeup)); + cycles = tick_rate * seconds + tick_rate * milliseconds / 1000; + omap_dm_timer_stop(gptimer_wakeup); + omap_dm_timer_set_load_start(gptimer_wakeup, 0, 0xffffffff - cycles); + + pr_info("PM: Resume timer in %u.%03u secs" + " (%d ticks at %d ticks/sec.)\n", + seconds, milliseconds, cycles, tick_rate); +} + static int clkdm_dbg_show_counter(struct clockdomain *clkdm, void *user) { struct seq_file *s = (struct seq_file *)user; @@ -385,6 +408,11 @@ static int pwrdm_dbg_show_counter(struct powerdomain *pwrdm, void *user) seq_printf(s, ",%s:%d", pwrdm_state_names[i], pwrdm->state_counter[i]); + seq_printf(s, ",RET-LOGIC-OFF:%d", pwrdm->ret_logic_off_counter); + for (i = 0; i < pwrdm->banks; i++) + seq_printf(s, ",RET-MEMBANK%d-OFF:%d", i + 1, + pwrdm->ret_mem_off_counter[i]); + seq_printf(s, "\n"); return 0; @@ -488,8 +516,10 @@ int pm_dbg_regset_init(int reg_set) static int pwrdm_suspend_get(void *data, u64 *val) { - int ret; - ret = omap3_pm_get_suspend_state((struct powerdomain *)data); + int ret = -EINVAL; + + if (cpu_is_omap34xx()) + ret = omap3_pm_get_suspend_state((struct powerdomain *)data); *val = ret; if (ret >= 0) @@ -499,7 +529,10 @@ static int pwrdm_suspend_get(void *data, u64 *val) static int pwrdm_suspend_set(void *data, u64 val) { - return omap3_pm_set_suspend_state((struct powerdomain *)data, (int)val); + if (cpu_is_omap34xx()) + return omap3_pm_set_suspend_state( + (struct powerdomain *)data, (int)val); + return -EINVAL; } DEFINE_SIMPLE_ATTRIBUTE(pwrdm_suspend_fops, pwrdm_suspend_get, @@ -542,10 +575,15 @@ static int option_set(void *data, u64 val) { u32 *option = data; + if (option == &wakeup_timer_milliseconds && val >= 1000) + return -EINVAL; + *option = val; - if (option == &enable_off_mode) - omap3_pm_off_mode_enable(val); + if (option == &enable_off_mode) { + if (cpu_is_omap34xx()) + omap3_pm_off_mode_enable(val); + } return 0; } @@ -577,7 +615,7 @@ static int __init pm_dbg_init(void) (void) debugfs_create_file("time", S_IRUGO, d, (void *)DEBUG_FILE_TIMERS, &debug_fops); - pwrdm_for_each_nolock(pwrdms_setup, (void *)d); + pwrdm_for_each(pwrdms_setup, (void *)d); pm_dbg_dir = debugfs_create_dir("registers", d); if (IS_ERR(pm_dbg_dir)) @@ -600,6 +638,9 @@ static int __init pm_dbg_init(void) &sleep_while_idle, &pm_dbg_option_fops); (void) debugfs_create_file("wakeup_timer_seconds", S_IRUGO | S_IWUGO, d, &wakeup_timer_seconds, &pm_dbg_option_fops); + (void) debugfs_create_file("wakeup_timer_milliseconds", + S_IRUGO | S_IWUGO, d, &wakeup_timer_milliseconds, + &pm_dbg_option_fops); pm_dbg_init_done = 1; return 0; |