ARM: i.MX system: Add a reset fallback if base address of watchdog is not set
This patch adds a reset fallback if base address of watchdog is not set.
This is intended for a targets not compatible with imx-21 watchdog,
i.MX1 for example.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
diff --git a/arch/arm/mach-imx/system.c b/arch/arm/mach-imx/system.c
index 92d11c2..d14c33f 100644
--- a/arch/arm/mach-imx/system.c
+++ b/arch/arm/mach-imx/system.c
@@ -42,6 +42,9 @@
{
unsigned int wcr_enable;
+ if (!wdog_base)
+ goto reset_fallback;
+
if (!IS_ERR(wdog_clk))
clk_enable(wdog_clk);
@@ -70,6 +73,7 @@
/* delay to allow the serial port to show the message */
mdelay(50);
+reset_fallback:
/* we'll take a jump through zero as a poor second */
soft_restart(0);
}