From: 黄涛 <huangtao@rock-chips.com>
Date: Wed, 30 Mar 2011 04:09:55 +0000 (+0800)
Subject: rk29sdk: when panic, loop for debug
X-Git-Tag: firefly_0821_release~10600
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1ba2148b54033c45a675d192c2c8c11617aa702b;p=firefly-linux-kernel-4.4.55.git

rk29sdk: when panic, loop for debug
---

diff --git a/arch/arm/mach-rk29/reset.c b/arch/arm/mach-rk29/reset.c
index 7680d048c178..03097d541f16 100755
--- a/arch/arm/mach-rk29/reset.c
+++ b/arch/arm/mach-rk29/reset.c
@@ -68,7 +68,7 @@ static void  pwm2gpiodefault(void)
 	// set gpio to input
 	*pGPIO2_DIR &= ~(0x1<<3);
 
-	memset(RK29_PWM_BASE, 0, 0x40);
+	memset((void *)RK29_PWM_BASE, 0, 0x40);
 } 
 
 
@@ -89,11 +89,17 @@ void rb( void )
 
 void  rk29_arch_reset(int mode, const char *cmd)
 {
-	u32 reg;
-
 	local_irq_disable();
 	local_fiq_disable();
 
+#ifdef CONFIG_MACH_RK29SDK
+	/* from panic? loop for debug */
+	if (system_state != SYSTEM_RESTART) {
+		printk("\nLoop for debug...\n");
+		while (1);
+	}
+#endif
+
 	cru_writel((cru_readl(CRU_MODE_CON) & ~CRU_CPU_MODE_MASK) | CRU_CPU_MODE_SLOW, CRU_MODE_CON);
 	delay_500ns();