au1000: keep the MTX-1 watchdog pin low during boot

Do this until the watchdog driver is loaded and the user-space watchdog
daemon can start pinging the watchdog.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36065 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/au1000/patches-3.6/004-watchdog_low_init.patch b/target/linux/au1000/patches-3.6/004-watchdog_low_init.patch
new file mode 100644 (file)
index 0000000..d42470e
--- /dev/null
+++ b/target/linux/au1000/patches-3.6/004-watchdog_low_init.patch
@@ -0,0 +1,12 @@
+--- a/arch/mips/alchemy/board-mtx1.c
++++ b/arch/mips/alchemy/board-mtx1.c
+@@ -100,6 +100,9 @@ void __init board_setup(void)
+       alchemy_gpio_direction_output(211, 1);  /* green on */
+       alchemy_gpio_direction_output(212, 0);  /* red off */
+ 
++      /* Set watchdog pin low */
++      alchemy_gpio_direction_output(215, 0);
++
+       pm_power_off = mtx1_power_off;
+       _machine_halt = mtx1_power_off;
+       _machine_restart = mtx1_reset;