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rk30: reset better check panic

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黄涛
2013-08-06 19:16:25 +08:00
parent 5b4616ddd5
commit 50a051eb6a
1 changed files with 20 additions and 1 deletions
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21
arch/arm/mach-rk30/reset.c
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@@ -8,6 +8,25 @@
#include <mach/board.h>
#include <mach/pmu.h>
static bool is_panic = false;
static int panic_event(struct notifier_block *this, unsigned long event, void *ptr)
{
is_panic = true;
return NOTIFY_DONE;
}
static struct notifier_block panic_block = {
.notifier_call = panic_event,
};
static int __init arch_reset_init(void)
{
atomic_notifier_chain_register(&panic_notifier_list, &panic_block);
return 0;
}
core_initcall(arch_reset_init);
static void rk30_arch_reset(char mode, const char *cmd)
{
u32 boot_flag = 0;
@@ -21,7 +40,7 @@ static void rk30_arch_reset(char mode, const char *cmd)
else if (!strcmp(cmd, "charge"))
boot_mode = BOOT_MODE_CHARGE;
} else {
if (system_state != SYSTEM_RESTART)
if (is_panic)
boot_mode = BOOT_MODE_PANIC;
}
writel_relaxed(boot_flag, RK30_PMU_BASE + PMU_SYS_REG0); // for loader