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Diffstat (limited to 'arch/arm/mach-omap2/pm-debug.c')
-rw-r--r--arch/arm/mach-omap2/pm-debug.c94
1 files changed, 70 insertions, 24 deletions
diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c
index a0866268aa4..125f56591fb 100644
--- a/arch/arm/mach-omap2/pm-debug.c
+++ b/arch/arm/mach-omap2/pm-debug.c
@@ -25,24 +25,31 @@
#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 "powerdomain.h"
+#include "clockdomain.h"
+#include <plat/dmtimer.h>
+#include <plat/omap-pm.h>
-#include "prm.h"
-#include "cm.h"
+#include "cm2xxx_3xxx.h"
+#include "prm2xxx_3xxx.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; \
- regs[reg_count++].val = prm_read_mod_reg(mod, reg)
+ regs[reg_count++].val = omap2_prm_read_mod_reg(mod, reg)
#define DUMP_CM_MOD_REG(mod, reg) \
regs[reg_count].name = #mod "." #reg; \
- regs[reg_count++].val = cm_read_mod_reg(mod, reg)
+ regs[reg_count++].val = omap2_cm_read_mod_reg(mod, reg)
#define DUMP_PRM_REG(reg) \
regs[reg_count].name = #reg; \
regs[reg_count++].val = __raw_readl(reg)
@@ -67,9 +74,9 @@ 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 +100,7 @@ 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 +110,11 @@ 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 {
@@ -155,13 +162,30 @@ void omap2_pm_dump(int mode, int resume, unsigned int us)
printk(KERN_INFO "%-20s: 0x%08x\n", regs[i].name, regs[i].val);
}
+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);
+}
+
#ifdef CONFIG_DEBUG_FS
#include <linux/debugfs.h>
#include <linux/seq_file.h>
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;
@@ -305,10 +329,10 @@ static void pm_dbg_regset_store(u32 *ptr)
for (j = pm_dbg_reg_modules[i].low;
j <= pm_dbg_reg_modules[i].high; j += 4) {
if (pm_dbg_reg_modules[i].type == MOD_CM)
- val = cm_read_mod_reg(
+ val = omap2_cm_read_mod_reg(
pm_dbg_reg_modules[i].offset, j);
else
- val = prm_read_mod_reg(
+ val = omap2_prm_read_mod_reg(
pm_dbg_reg_modules[i].offset, j);
*(ptr++) = val;
}
@@ -385,6 +409,11 @@ 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 +517,10 @@ 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 +530,10 @@ 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 +576,19 @@ 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 (val)
+ omap_pm_enable_off_mode();
+ else
+ omap_pm_disable_off_mode();
+ if (cpu_is_omap34xx())
+ omap3_pm_off_mode_enable(val);
+ }
return 0;
}
@@ -577,7 +620,7 @@ 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 +643,9 @@ 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;