int mtk_wdt_confirm_hwreboot(void)
{
//aee need confirm wd can hw reboot
//printk("mtk_wdt_probe : Initialize to dual mode \n");
unsigned int tmp=0;
aee_sram_fiq_log("mt6582 only hw reboot mode ++\n");
mtk_wdt_restart(WD_TYPE_NOLOCK);//restart spm wdt
//set rgu 20s time out
tmp = (unsigned int)(20 * ( 1 << 6) );
tmp = tmp << 5;
*(volatile u32 *)(MTK_WDT_LENGTH)= (tmp | MTK_WDT_LENGTH_KEY);
//restart rgu wdt
*(volatile u32 *)( MTK_WDT_RESTART) =MTK_WDT_RESTART_KEY ;
//use only hw reboot mode and enable rgu wdt
tmp = DRV_Reg32(MTK_WDT_MODE);
tmp |=MTK_WDT_MODE_KEY ;
tmp &=(~(MTK_WDT_MODE_IRQ | MTK_WDT_MODE_DUAL_MODE));
tmp |=MTK_WDT_MODE_ENABLE ;
*(volatile u32 *)(MTK_WDT_MODE)=tmp;
aee_sram_fiq_log("mt6582 only hw reboot mode --\n");
return 0;
}
static inline void aee_print_ip_sym(unsigned long ip)
{
char buf[256];
snprintf(buf, sizeof(buf), "[<%p>] %pS\n", (void *)ip, (void *)ip);
aee_sram_fiq_log(buf);
}
static void print_error_msg(int len)
{
static char error_msg[][50] = { "Bottom unaligned", "Bottom out of kernel addr",
"Top out of kernel addr", "Buf len not enough"
};
int tmp = (-len) - 1;
aee_sram_fiq_log(error_msg[tmp]);
}
int aee_nested_printf(const char *fmt, ...)
{
va_list args;
static int total_len;
va_start(args, fmt);
total_len += vsnprintf(nested_panic_buf, sizeof(nested_panic_buf), fmt, args);
va_end(args);
aee_sram_fiq_log(nested_panic_buf);
return total_len;
}
void mt_irq_dump(void)
{
int cpu_id;
int count = 2;
char str[128];
/*
aee_wdt_printf("GICD_ISENABLER0 = 0x%x, GICD_ISPENDR0 = 0x%x, GICD_ISACTIVER0 = 0x%x\n",
*(volatile u32 *)(GIC_DIST_BASE + 0x100),
*(volatile u32 *)(GIC_DIST_BASE + 0x200),
*(volatile u32 *)(GIC_DIST_BASE + 0x300));
*/
aee_sram_fiq_log("dump other cpu pc\n");
while(count > 0)
{
for(cpu_id = 1; cpu_id < NR_CPUS; cpu_id++)
{
sprintf(str, "cpu-%d pc=0x%08x\n", cpu_id, mt_get_cpu_pc(cpu_id));
aee_sram_fiq_log(str);
}
count--;
udelay(10);
}
}
void aee_dump_backtrace(struct pt_regs *regs, struct task_struct *tsk)
{
struct stackframe frame;
const register unsigned long current_sp asm("sp");
pr_debug("%s(regs = %p tsk = %p)\n", __func__, regs, tsk);
if (!tsk)
tsk = current;
if (regs) {
frame.fp = regs->regs[29];
frame.sp = regs->sp;
frame.pc = regs->pc;
} else if (tsk == current) {
frame.fp = (unsigned long)__builtin_frame_address(0);
frame.sp = current_sp;
frame.pc = (unsigned long)aee_dump_backtrace;
} else {
/*
* task blocked in __switch_to
*/
frame.fp = thread_saved_fp(tsk);
frame.sp = thread_saved_sp(tsk);
frame.pc = thread_saved_pc(tsk);
}
aee_sram_fiq_log("Call trace:\n");
while (1) {
unsigned long where = frame.pc;
int ret;
ret = unwind_frame(&frame);
if (ret < 0)
break;
dump_backtrace_entry(where, frame.sp);
}
}
