aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/plat-s3c24xx/pm.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/plat-s3c24xx/pm.c')
-rw-r--r--arch/arm/plat-s3c24xx/pm.c113
1 files changed, 25 insertions, 88 deletions
diff --git a/arch/arm/plat-s3c24xx/pm.c b/arch/arm/plat-s3c24xx/pm.c
index 34ef18e5b2a..c161f9c9a1d 100644
--- a/arch/arm/plat-s3c24xx/pm.c
+++ b/arch/arm/plat-s3c24xx/pm.c
@@ -49,9 +49,6 @@
#include <plat/pm.h>
-/* for external use */
-
-unsigned long s3c_pm_flags;
#define PFX "s3c24xx-pm: "
@@ -143,20 +140,6 @@ static struct sleep_save uart_save[] = {
* system never wakes up from the sleep
*/
-extern void printascii(const char *);
-
-void pm_dbg(const char *fmt, ...)
-{
- va_list va;
- char buff[256];
-
- va_start(va, fmt);
- vsprintf(buff, fmt, va);
- va_end(va);
-
- printascii(buff);
-}
-
static void s3c2410_pm_debug_init(void)
{
unsigned long tmp = __raw_readl(S3C2410_CLKCON);
@@ -170,10 +153,7 @@ static void s3c2410_pm_debug_init(void)
udelay(10);
}
-#define DBG(fmt...) pm_dbg(fmt)
#else
-#define DBG(fmt...) printk(KERN_DEBUG fmt)
-
#define s3c2410_pm_debug_init() do { } while(0)
static struct sleep_save uart_save[] = {};
@@ -211,7 +191,7 @@ static void s3c2410_pm_run_res(struct resource *ptr, run_fn_t fn, u32 *arg)
if ((ptr->flags & IORESOURCE_MEM) &&
strcmp(ptr->name, "System RAM") == 0) {
- DBG("Found system RAM at %08lx..%08lx\n",
+ S3C_PMDBG("Found system RAM at %08lx..%08lx\n",
ptr->start, ptr->end);
arg = (fn)(ptr, arg);
}
@@ -232,7 +212,7 @@ static u32 *s3c2410_pm_countram(struct resource *res, u32 *val)
size += CHECK_CHUNKSIZE-1;
size /= CHECK_CHUNKSIZE;
- DBG("Area %08lx..%08lx, %d blocks\n", res->start, res->end, size);
+ S3C_PMDBG("Area %08lx..%08lx, %d blocks\n", res->start, res->end, size);
*val += size * sizeof(u32);
return val;
@@ -252,7 +232,7 @@ static void s3c2410_pm_check_prepare(void)
s3c2410_pm_run_sysram(s3c2410_pm_countram, &crc_size);
- DBG("s3c2410_pm_prepare_check: %u checks needed\n", crc_size);
+ S3C_PMDBG("s3c2410_pm_prepare_check: %u checks needed\n", crc_size);
crcs = kmalloc(crc_size+4, GFP_KERNEL);
if (crcs == NULL)
@@ -308,7 +288,7 @@ static inline int in_region(void *ptr, int size, void *what, size_t whatsz)
static u32 *s3c2410_pm_runcheck(struct resource *res, u32 *val)
{
- void *save_at = phys_to_virt(s3c2410_sleep_save_phys);
+ void *save_at = phys_to_virt(s3c_sleep_save_phys);
unsigned long addr;
unsigned long left;
void *ptr;
@@ -324,12 +304,12 @@ static u32 *s3c2410_pm_runcheck(struct resource *res, u32 *val)
ptr = phys_to_virt(addr);
if (in_region(ptr, left, crcs, crc_size)) {
- DBG("skipping %08lx, has crc block in\n", addr);
+ S3C_PMDBG("skipping %08lx, has crc block in\n", addr);
goto skip_check;
}
if (in_region(ptr, left, save_at, 32*4 )) {
- DBG("skipping %08lx, has save block in\n", addr);
+ S3C_PMDBG("skipping %08lx, has save block in\n", addr);
goto skip_check;
}
@@ -340,7 +320,7 @@ static u32 *s3c2410_pm_runcheck(struct resource *res, u32 *val)
printk(KERN_ERR PFX "Restore CRC error at "
"%08lx (%08x vs %08x)\n", addr, calc, *val);
- DBG("Restore CRC error at %08lx (%08x vs %08x)\n",
+ S3C_PMDBG("Restore CRC error at %08lx (%08x vs %08x)\n",
addr, calc, *val);
}
@@ -373,49 +353,6 @@ static void s3c2410_pm_check_restore(void)
#define s3c2410_pm_check_store() do { } while(0)
#endif
-/* helper functions to save and restore register state */
-
-void s3c2410_pm_do_save(struct sleep_save *ptr, int count)
-{
- for (; count > 0; count--, ptr++) {
- ptr->val = __raw_readl(ptr->reg);
- DBG("saved %p value %08lx\n", ptr->reg, ptr->val);
- }
-}
-
-/* s3c2410_pm_do_restore
- *
- * restore the system from the given list of saved registers
- *
- * Note, we do not use DBG() in here, as the system may not have
- * restore the UARTs state yet
-*/
-
-void s3c2410_pm_do_restore(struct sleep_save *ptr, int count)
-{
- for (; count > 0; count--, ptr++) {
- printk(KERN_DEBUG "restore %p (restore %08lx, was %08x)\n",
- ptr->reg, ptr->val, __raw_readl(ptr->reg));
-
- __raw_writel(ptr->val, ptr->reg);
- }
-}
-
-/* s3c2410_pm_do_restore_core
- *
- * similar to s3c2410_pm_do_restore_core
- *
- * WARNING: Do not put any debug in here that may effect memory or use
- * peripherals, as things may be changing!
-*/
-
-static void s3c2410_pm_do_restore_core(struct sleep_save *ptr, int count)
-{
- for (; count > 0; count--, ptr++) {
- __raw_writel(ptr->val, ptr->reg);
- }
-}
-
/* s3c2410_pm_show_resume_irqs
*
* print any IRQs asserted at resume time (ie, we woke from)
@@ -430,7 +367,7 @@ static void s3c2410_pm_show_resume_irqs(int start, unsigned long which,
for (i = 0; i <= 31; i++) {
if ((which) & (1L<<i)) {
- DBG("IRQ %d asserted at resume\n", start+i);
+ S3C_PMDBG("IRQ %d asserted at resume\n", start+i);
}
}
}
@@ -456,10 +393,10 @@ static void s3c2410_pm_check_resume_pin(unsigned int pin, unsigned int irqoffs)
if (!irqstate) {
if (pinstate == S3C2410_GPIO_IRQ)
- DBG("Leaving IRQ %d (pin %d) enabled\n", irq, pin);
+ S3C_PMDBG("Leaving IRQ %d (pin %d) enabled\n", irq, pin);
} else {
if (pinstate == S3C2410_GPIO_IRQ) {
- DBG("Disabling IRQ %d (pin %d)\n", irq, pin);
+ S3C_PMDBG("Disabling IRQ %d (pin %d)\n", irq, pin);
s3c2410_gpio_cfgpin(pin, S3C2410_GPIO_INPUT);
}
}
@@ -646,8 +583,8 @@ static void s3c2410_pm_restore_gpio(int index, struct gpio_sleep *gps)
__raw_writel(gps->gpup, base + OFFS_UP);
}
- DBG("GPIO[%d] CON %08lx => %08lx, DAT %08lx => %08lx\n",
- index, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat);
+ S3C_PMDBG("GPIO[%d] CON %08lx => %08lx, DAT %08lx => %08lx\n",
+ index, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat);
}
@@ -684,7 +621,7 @@ static int s3c2410_pm_enter(suspend_state_t state)
s3c2410_pm_debug_init();
- DBG("s3c2410_pm_enter(%d)\n", state);
+ S3C_PMDBG("s3c2410_pm_enter(%d)\n", state);
if (pm_cpu_prep == NULL || pm_cpu_sleep == NULL) {
printk(KERN_ERR PFX "error: no cpu sleep functions set\n");
@@ -709,22 +646,22 @@ static int s3c2410_pm_enter(suspend_state_t state)
/* store the physical address of the register recovery block */
- s3c2410_sleep_save_phys = virt_to_phys(regs_save);
+ s3c_sleep_save_phys = virt_to_phys(regs_save);
- DBG("s3c2410_sleep_save_phys=0x%08lx\n", s3c2410_sleep_save_phys);
+ S3C_PMDBG("s3c_sleep_save_phys=0x%08lx\n", s3c_sleep_save_phys);
/* save all necessary core registers not covered by the drivers */
s3c2410_pm_save_gpios();
- s3c2410_pm_do_save(misc_save, ARRAY_SIZE(misc_save));
- s3c2410_pm_do_save(core_save, ARRAY_SIZE(core_save));
- s3c2410_pm_do_save(uart_save, ARRAY_SIZE(uart_save));
+ s3c_pm_do_save(misc_save, ARRAY_SIZE(misc_save));
+ s3c_pm_do_save(core_save, ARRAY_SIZE(core_save));
+ s3c_pm_do_save(uart_save, ARRAY_SIZE(uart_save));
/* set the irq configuration for wake */
s3c2410_pm_configure_extint();
- DBG("sleep: irq wakeup masks: %08lx,%08lx\n",
+ S3C_PMDBG("sleep: irq wakeup masks: %08lx,%08lx\n",
s3c_irqwake_intmask, s3c_irqwake_eintmask);
__raw_writel(s3c_irqwake_intmask, S3C2410_INTMSK);
@@ -765,16 +702,16 @@ static int s3c2410_pm_enter(suspend_state_t state)
/* restore the system state */
- s3c2410_pm_do_restore_core(core_save, ARRAY_SIZE(core_save));
- s3c2410_pm_do_restore(misc_save, ARRAY_SIZE(misc_save));
- s3c2410_pm_do_restore(uart_save, ARRAY_SIZE(uart_save));
+ s3c_pm_do_restore_core(core_save, ARRAY_SIZE(core_save));
+ s3c_pm_do_restore(misc_save, ARRAY_SIZE(misc_save));
+ s3c_pm_do_restore(uart_save, ARRAY_SIZE(uart_save));
s3c2410_pm_restore_gpios();
s3c2410_pm_debug_init();
/* check what irq (if any) restored the system */
- DBG("post sleep: IRQs 0x%08x, 0x%08x\n",
+ S3C_PMDBG("post sleep: IRQs 0x%08x, 0x%08x\n",
__raw_readl(S3C2410_SRCPND),
__raw_readl(S3C2410_EINTPEND));
@@ -784,13 +721,13 @@ static int s3c2410_pm_enter(suspend_state_t state)
s3c2410_pm_show_resume_irqs(IRQ_EINT4-4, __raw_readl(S3C2410_EINTPEND),
s3c_irqwake_eintmask);
- DBG("post sleep, preparing to return\n");
+ S3C_PMDBG("post sleep, preparing to return\n");
s3c2410_pm_check_restore();
/* ok, let's return from sleep */
- DBG("S3C2410 PM Resume (post-restore)\n");
+ S3C_PMDBG("S3C2410 PM Resume (post-restore)\n");
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 04:17:40 +0000