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rk29: pm: dump irq status when resume

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黄涛
2011-03-09 14:01:08 +08:00
parent 22a3ef29d6
commit f3e5699fbb
1 changed files with 26 additions and 0 deletions
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26
arch/arm/mach-rk29/pm.c
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@@ -13,6 +13,7 @@
#include <linux/io.h>
#include <linux/wakelock.h>
#include <asm/tlbflush.h>
#include <asm/hardware/gic.h>
#include <mach/rk29_iomap.h>
#include <mach/cru.h>
@@ -20,6 +21,7 @@
#include <mach/board.h>
#include <mach/system.h>
#include <mach/sram.h>
#include <mach/gpio.h>
#define cru_readl(offset) readl(RK29_CRU_BASE + offset)
#define cru_writel(v, offset) do { writel(v, RK29_CRU_BASE + offset); readl(RK29_CRU_BASE + offset); } while (0)
@@ -170,6 +172,29 @@ static void noinline rk29_suspend(void)
DDR_RESTORE_SP(save_sp);
}
static void dump_irq(void)
{
u32 irq_gpio = (readl(RK29_GICPERI_BASE + GIC_DIST_PENDING_SET + 8) >> 23) & 0x7F;
printk("wakeup irq: %08x %08x %01x\n",
readl(RK29_GICPERI_BASE + GIC_DIST_PENDING_SET + 4),
readl(RK29_GICPERI_BASE + GIC_DIST_PENDING_SET + 8),
readl(RK29_GICPERI_BASE + GIC_DIST_PENDING_SET + 12) & 0xf);
if (irq_gpio & 1)
printk("wakeup gpio0: %08x\n", readl(RK29_GPIO0_BASE + GPIO_INT_STATUS));
if (irq_gpio & 2)
printk("wakeup gpio1: %08x\n", readl(RK29_GPIO1_BASE + GPIO_INT_STATUS));
if (irq_gpio & 4)
printk("wakeup gpio2: %08x\n", readl(RK29_GPIO2_BASE + GPIO_INT_STATUS));
if (irq_gpio & 8)
printk("wakeup gpio3: %08x\n", readl(RK29_GPIO3_BASE + GPIO_INT_STATUS));
if (irq_gpio & 0x10)
printk("wakeup gpio4: %08x\n", readl(RK29_GPIO4_BASE + GPIO_INT_STATUS));
if (irq_gpio & 0x20)
printk("wakeup gpio5: %08x\n", readl(RK29_GPIO5_BASE + GPIO_INT_STATUS));
if (irq_gpio & 0x40)
printk("wakeup gpio6: %08x\n", readl(RK29_GPIO6_BASE + GPIO_INT_STATUS));
}
static int rk29_pm_enter(suspend_state_t state)
{
u32 apll, cpll, gpll, mode, clksel0;
@@ -276,6 +301,7 @@ static int rk29_pm_enter(suspend_state_t state)
cru_writel(clkgate[3], CRU_CLKGATE3_CON);
printascii("0\n");
dump_irq();
return 0;
}