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authorTony Lindgren <tony@atomide.com>2011-06-29 04:45:16 -0700
committerTony Lindgren <tony@atomide.com>2011-06-29 04:45:16 -0700
commit48cb1258e8b0f8c81cfb699b42326c5b2147b3f8 (patch)
tree6dc560f24eec8d303534d86b1e20d037df94a68d /arch/arm/mach-omap2/pm-debug.c
parent332acd9e534e0bc8713d2cb90dd2d4d5f2485401 (diff)
parentec3cdb5baedf6bb3852c531426c1e95a13671dff (diff)
Merge branch 'for_3.1/pm-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into devel-cleanup
Conflicts: arch/arm/mach-omap2/pm-debug.c arch/arm/mach-omap2/pm.h
Diffstat (limited to 'arch/arm/mach-omap2/pm-debug.c')
-rw-r--r--arch/arm/mach-omap2/pm-debug.c346
1 files changed, 2 insertions, 344 deletions
diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c
index c56d1d47fec..4411163e012 100644
--- a/arch/arm/mach-omap2/pm-debug.c
+++ b/arch/arm/mach-omap2/pm-debug.c
@@ -31,305 +31,28 @@
#include <plat/board.h>
#include "powerdomain.h"
#include "clockdomain.h"
+#include <plat/dmtimer.h>
#include <plat/omap-pm.h>
#include "cm2xxx_3xxx.h"
#include "prm2xxx_3xxx.h"
#include "pm.h"
-int omap2_pm_debug;
u32 enable_off_mode;
-u32 sleep_while_idle;
-
-#define DUMP_PRM_MOD_REG(mod, reg) \
- regs[reg_count].name = #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 = omap2_cm_read_mod_reg(mod, reg)
-#define DUMP_PRM_REG(reg) \
- regs[reg_count].name = #reg; \
- regs[reg_count++].val = __raw_readl(reg)
-#define DUMP_CM_REG(reg) \
- regs[reg_count].name = #reg; \
- regs[reg_count++].val = __raw_readl(reg)
-#define DUMP_INTC_REG(reg, off) \
- regs[reg_count].name = #reg; \
- regs[reg_count++].val = \
- __raw_readl(OMAP2_L4_IO_ADDRESS(0x480fe000 + (off)))
-
-void omap2_pm_dump(int mode, int resume, unsigned int us)
-{
- struct reg {
- const char *name;
- u32 val;
- } regs[32];
- int reg_count = 0, i;
- const char *s1 = NULL, *s2 = NULL;
-
- if (!resume) {
-#if 0
- /* MPU */
- DUMP_PRM_MOD_REG(OCP_MOD, OMAP2_PRM_IRQENABLE_MPU_OFFSET);
- 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
- /* INTC */
- DUMP_INTC_REG(INTC_MIR0, 0x0084);
- DUMP_INTC_REG(INTC_MIR1, 0x00a4);
- DUMP_INTC_REG(INTC_MIR2, 0x00c4);
-#endif
-#if 0
- DUMP_CM_MOD_REG(CORE_MOD, CM_FCLKEN1);
- if (cpu_is_omap24xx()) {
- DUMP_CM_MOD_REG(CORE_MOD, OMAP24XX_CM_FCLKEN2);
- DUMP_PRM_MOD_REG(OMAP24XX_GR_MOD,
- OMAP2_PRCM_CLKEMUL_CTRL_OFFSET);
- DUMP_PRM_MOD_REG(OMAP24XX_GR_MOD,
- OMAP2_PRCM_CLKSRC_CTRL_OFFSET);
- }
- DUMP_CM_MOD_REG(WKUP_MOD, CM_FCLKEN);
- DUMP_CM_MOD_REG(CORE_MOD, CM_ICLKEN1);
- DUMP_CM_MOD_REG(CORE_MOD, CM_ICLKEN2);
- 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, OMAP2_PM_PWSTST);
-#endif
-#if 0
- /* DSP */
- if (cpu_is_omap24xx()) {
- DUMP_CM_MOD_REG(OMAP24XX_DSP_MOD, CM_FCLKEN);
- DUMP_CM_MOD_REG(OMAP24XX_DSP_MOD, CM_ICLKEN);
- 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, 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 {
- DUMP_PRM_MOD_REG(CORE_MOD, PM_WKST1);
- if (cpu_is_omap24xx())
- DUMP_PRM_MOD_REG(CORE_MOD, OMAP24XX_PM_WKST2);
- DUMP_PRM_MOD_REG(WKUP_MOD, PM_WKST);
- DUMP_PRM_MOD_REG(OCP_MOD, OMAP2_PRCM_IRQSTATUS_MPU_OFFSET);
-#if 1
- DUMP_INTC_REG(INTC_PENDING_IRQ0, 0x0098);
- DUMP_INTC_REG(INTC_PENDING_IRQ1, 0x00b8);
- DUMP_INTC_REG(INTC_PENDING_IRQ2, 0x00d8);
-#endif
- }
-
- switch (mode) {
- case 0:
- s1 = "full";
- s2 = "retention";
- break;
- case 1:
- s1 = "MPU";
- s2 = "retention";
- break;
- case 2:
- s1 = "MPU";
- s2 = "idle";
- break;
- }
-
- if (!resume)
-#ifdef CONFIG_NO_HZ
- printk(KERN_INFO
- "--- Going to %s %s (next timer after %u ms)\n", s1, s2,
- jiffies_to_msecs(get_next_timer_interrupt(jiffies) -
- jiffies));
-#else
- printk(KERN_INFO "--- Going to %s %s\n", s1, s2);
-#endif
- else
- printk(KERN_INFO "--- Woke up (slept for %u.%03u ms)\n",
- us / 1000, us % 1000);
-
- for (i = 0; i < reg_count; i++)
- printk(KERN_INFO "%-20s: 0x%08x\n", regs[i].name, regs[i].val);
-}
#ifdef CONFIG_DEBUG_FS
#include <linux/debugfs.h>
#include <linux/seq_file.h>
-static void pm_dbg_regset_store(u32 *ptr);
-
-static struct dentry *pm_dbg_dir;
-
static int pm_dbg_init_done;
-static int __init pm_dbg_init(void);
+static int pm_dbg_init(void);
enum {
DEBUG_FILE_COUNTERS = 0,
DEBUG_FILE_TIMERS,
};
-struct pm_module_def {
- char name[8]; /* Name of the module */
- short type; /* CM or PRM */
- unsigned short offset;
- int low; /* First register address on this module */
- int high; /* Last register address on this module */
-};
-
-#define MOD_CM 0
-#define MOD_PRM 1
-
-static const struct pm_module_def *pm_dbg_reg_modules;
-static const struct pm_module_def omap3_pm_reg_modules[] = {
- { "IVA2", MOD_CM, OMAP3430_IVA2_MOD, 0, 0x4c },
- { "OCP", MOD_CM, OCP_MOD, 0, 0x10 },
- { "MPU", MOD_CM, MPU_MOD, 4, 0x4c },
- { "CORE", MOD_CM, CORE_MOD, 0, 0x4c },
- { "SGX", MOD_CM, OMAP3430ES2_SGX_MOD, 0, 0x4c },
- { "WKUP", MOD_CM, WKUP_MOD, 0, 0x40 },
- { "CCR", MOD_CM, PLL_MOD, 0, 0x70 },
- { "DSS", MOD_CM, OMAP3430_DSS_MOD, 0, 0x4c },
- { "CAM", MOD_CM, OMAP3430_CAM_MOD, 0, 0x4c },
- { "PER", MOD_CM, OMAP3430_PER_MOD, 0, 0x4c },
- { "EMU", MOD_CM, OMAP3430_EMU_MOD, 0x40, 0x54 },
- { "NEON", MOD_CM, OMAP3430_NEON_MOD, 0x20, 0x48 },
- { "USB", MOD_CM, OMAP3430ES2_USBHOST_MOD, 0, 0x4c },
-
- { "IVA2", MOD_PRM, OMAP3430_IVA2_MOD, 0x50, 0xfc },
- { "OCP", MOD_PRM, OCP_MOD, 4, 0x1c },
- { "MPU", MOD_PRM, MPU_MOD, 0x58, 0xe8 },
- { "CORE", MOD_PRM, CORE_MOD, 0x58, 0xf8 },
- { "SGX", MOD_PRM, OMAP3430ES2_SGX_MOD, 0x58, 0xe8 },
- { "WKUP", MOD_PRM, WKUP_MOD, 0xa0, 0xb0 },
- { "CCR", MOD_PRM, PLL_MOD, 0x40, 0x70 },
- { "DSS", MOD_PRM, OMAP3430_DSS_MOD, 0x58, 0xe8 },
- { "CAM", MOD_PRM, OMAP3430_CAM_MOD, 0x58, 0xe8 },
- { "PER", MOD_PRM, OMAP3430_PER_MOD, 0x58, 0xe8 },
- { "EMU", MOD_PRM, OMAP3430_EMU_MOD, 0x58, 0xe4 },
- { "GLBL", MOD_PRM, OMAP3430_GR_MOD, 0x20, 0xe4 },
- { "NEON", MOD_PRM, OMAP3430_NEON_MOD, 0x58, 0xe8 },
- { "USB", MOD_PRM, OMAP3430ES2_USBHOST_MOD, 0x58, 0xe8 },
- { "", 0, 0, 0, 0 },
-};
-
-#define PM_DBG_MAX_REG_SETS 4
-
-static void *pm_dbg_reg_set[PM_DBG_MAX_REG_SETS];
-
-static int pm_dbg_get_regset_size(void)
-{
- static int regset_size;
-
- if (regset_size == 0) {
- int i = 0;
-
- while (pm_dbg_reg_modules[i].name[0] != 0) {
- regset_size += pm_dbg_reg_modules[i].high +
- 4 - pm_dbg_reg_modules[i].low;
- i++;
- }
- }
- return regset_size;
-}
-
-static int pm_dbg_show_regs(struct seq_file *s, void *unused)
-{
- int i, j;
- unsigned long val;
- int reg_set = (int)s->private;
- u32 *ptr;
- void *store = NULL;
- int regs;
- int linefeed;
-
- if (reg_set == 0) {
- store = kmalloc(pm_dbg_get_regset_size(), GFP_KERNEL);
- ptr = store;
- pm_dbg_regset_store(ptr);
- } else {
- ptr = pm_dbg_reg_set[reg_set - 1];
- }
-
- i = 0;
-
- while (pm_dbg_reg_modules[i].name[0] != 0) {
- regs = 0;
- linefeed = 0;
- if (pm_dbg_reg_modules[i].type == MOD_CM)
- seq_printf(s, "MOD: CM_%s (%08x)\n",
- pm_dbg_reg_modules[i].name,
- (u32)(OMAP3430_CM_BASE +
- pm_dbg_reg_modules[i].offset));
- else
- seq_printf(s, "MOD: PRM_%s (%08x)\n",
- pm_dbg_reg_modules[i].name,
- (u32)(OMAP3430_PRM_BASE +
- pm_dbg_reg_modules[i].offset));
-
- for (j = pm_dbg_reg_modules[i].low;
- j <= pm_dbg_reg_modules[i].high; j += 4) {
- val = *(ptr++);
- if (val != 0) {
- regs++;
- if (linefeed) {
- seq_printf(s, "\n");
- linefeed = 0;
- }
- seq_printf(s, " %02x => %08lx", j, val);
- if (regs % 4 == 0)
- linefeed = 1;
- }
- }
- seq_printf(s, "\n");
- i++;
- }
-
- if (store != NULL)
- kfree(store);
-
- return 0;
-}
-
-static void pm_dbg_regset_store(u32 *ptr)
-{
- int i, j;
- u32 val;
-
- i = 0;
-
- while (pm_dbg_reg_modules[i].name[0] != 0) {
- 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 = omap2_cm_read_mod_reg(
- pm_dbg_reg_modules[i].offset, j);
- else
- val = omap2_prm_read_mod_reg(
- pm_dbg_reg_modules[i].offset, j);
- *(ptr++) = val;
- }
- i++;
- }
-}
-
-int pm_dbg_regset_save(int reg_set)
-{
- if (pm_dbg_reg_set[reg_set-1] == NULL)
- return -EINVAL;
-
- pm_dbg_regset_store(pm_dbg_reg_set[reg_set-1]);
-
- return 0;
-}
-
static const char pwrdm_state_names[][PWRDM_MAX_PWRSTS] = {
"OFF",
"RET",
@@ -449,11 +172,6 @@ static int pm_dbg_open(struct inode *inode, struct file *file)
};
}
-static int pm_dbg_reg_open(struct inode *inode, struct file *file)
-{
- return single_open(file, pm_dbg_show_regs, inode->i_private);
-}
-
static const struct file_operations debug_fops = {
.open = pm_dbg_open,
.read = seq_read,
@@ -461,40 +179,6 @@ static const struct file_operations debug_fops = {
.release = single_release,
};
-static const struct file_operations debug_reg_fops = {
- .open = pm_dbg_reg_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-int pm_dbg_regset_init(int reg_set)
-{
- char name[2];
-
- if (!pm_dbg_init_done)
- pm_dbg_init();
-
- if (reg_set < 1 || reg_set > PM_DBG_MAX_REG_SETS ||
- pm_dbg_reg_set[reg_set-1] != NULL)
- return -EINVAL;
-
- pm_dbg_reg_set[reg_set-1] =
- kmalloc(pm_dbg_get_regset_size(), GFP_KERNEL);
-
- if (pm_dbg_reg_set[reg_set-1] == NULL)
- return -ENOMEM;
-
- if (pm_dbg_dir != NULL) {
- sprintf(name, "%d", reg_set);
-
- (void) debugfs_create_file(name, S_IRUGO,
- pm_dbg_dir, (void *)reg_set, &debug_reg_fops);
- }
-
- return 0;
-}
-
static int pwrdm_suspend_get(void *data, u64 *val)
{
int ret = -EINVAL;
@@ -574,20 +258,11 @@ DEFINE_SIMPLE_ATTRIBUTE(pm_dbg_option_fops, option_get, option_set, "%llu\n");
static int __init pm_dbg_init(void)
{
- int i;
struct dentry *d;
- char name[2];
if (pm_dbg_init_done)
return 0;
- if (cpu_is_omap34xx())
- pm_dbg_reg_modules = omap3_pm_reg_modules;
- else {
- printk(KERN_ERR "%s: only OMAP3 supported\n", __func__);
- return -ENODEV;
- }
-
d = debugfs_create_dir("pm_debug", NULL);
if (IS_ERR(d))
return PTR_ERR(d);
@@ -599,25 +274,8 @@ static int __init pm_dbg_init(void)
pwrdm_for_each(pwrdms_setup, (void *)d);
- pm_dbg_dir = debugfs_create_dir("registers", d);
- if (IS_ERR(pm_dbg_dir))
- return PTR_ERR(pm_dbg_dir);
-
- (void) debugfs_create_file("current", S_IRUGO,
- pm_dbg_dir, (void *)0, &debug_reg_fops);
-
- for (i = 0; i < PM_DBG_MAX_REG_SETS; i++)
- if (pm_dbg_reg_set[i] != NULL) {
- sprintf(name, "%d", i+1);
- (void) debugfs_create_file(name, S_IRUGO,
- pm_dbg_dir, (void *)(i+1), &debug_reg_fops);
-
- }
-
(void) debugfs_create_file("enable_off_mode", S_IRUGO | S_IWUSR, d,
&enable_off_mode, &pm_dbg_option_fops);
- (void) debugfs_create_file("sleep_while_idle", S_IRUGO | S_IWUSR, d,
- &sleep_while_idle, &pm_dbg_option_fops);
pm_dbg_init_done = 1;
return 0;