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pm.c: add dump gpio pull state before suspend, maybe it will help us to cost the power.

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This commit is contained in:
cwz
2011-04-26 19:41:29 -07:00
parent a365180ebc
commit ec9286995a
1 changed files with 29 additions and 2 deletions
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31
arch/arm/mach-rk29/pm.c
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@@ -27,6 +27,11 @@
#include <mach/ddr.h>
#include <mach/memtester.h>
#include <mach/iomux.h>
#define grf_readl(offset) readl(RK29_GRF_BASE + offset)
#define grf_writel(v, offset) do { writel(v, RK29_GRF_BASE + offset); readl(RK29_GRF_BASE + offset); } while (0)
static unsigned long save_sp;
@@ -347,11 +352,31 @@ static void dump_inten(void)
DUMP_GPIO_INTEN(6);
}
#define DUMP_GPIO_PULL(ID) \
do { \
u32 state = readl(RK29_GRF_BASE + GRF_GPIO0_PULL + (ID<<2)); \
printascii("GPIO" #ID "_PULL: "); \
printhex(state); \
printch('\n'); \
} while (0)
static void dump_io_pull(void)
{
DUMP_GPIO_PULL(0);
DUMP_GPIO_PULL(1);
DUMP_GPIO_PULL(2);
DUMP_GPIO_PULL(3);
DUMP_GPIO_PULL(4);
DUMP_GPIO_PULL(5);
DUMP_GPIO_PULL(6);
}
static int rk29_pm_enter(suspend_state_t state)
{
u32 apll, cpll, gpll, mode, clksel0;
u32 clkgate[4];
u32 gpio0_pull,gpio1_pull,gpio2_pull,gpio3_pull,gpio4_pull,gpio5_pull,gpio6_pull;
// memory teseter
if (ddr_debug == 3)
@@ -359,7 +384,9 @@ static int rk29_pm_enter(suspend_state_t state)
// dump GPIO INTEN for debug
dump_inten();
// dump GPIO PULL state for debug
dump_io_pull();
printch('0');
#ifdef CONFIG_RK29_PWM_REGULATOR