arm, at91, wdt: make timeout configurable
make the HW WDT timeout configurable through the define
CONFIG_AT91_HW_WDT_TIMEOUT.
Signed-off-by: Heiko Schocher <hs@denx.de>
diff --git a/README b/README
index a28ff13..ba57dc5 100644
--- a/README
+++ b/README
@@ -1257,6 +1257,9 @@
SoC, then define this variable and provide board
specific code for the "hw_watchdog_reset" function.
+ CONFIG_AT91_HW_WDT_TIMEOUT
+ specify the timeout in seconds. default 2 seconds.
+
- U-Boot Version:
CONFIG_VERSION_VARIABLE
If this variable is defined, an environment variable
diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c
index ffd49a2..03c786c 100644
--- a/drivers/watchdog/at91sam9_wdt.c
+++ b/drivers/watchdog/at91sam9_wdt.c
@@ -30,7 +30,11 @@
#define ticks_to_ms(t) (((t + 1) * 1000) >> 8)
/* Hardware timeout in seconds */
+#if !defined(CONFIG_AT91_HW_WDT_TIMEOUT)
#define WDT_HW_TIMEOUT 2
+#else
+#define WDT_HW_TIMEOUT CONFIG_AT91_HW_WDT_TIMEOUT
+#endif
/*
* Set the watchdog time interval in 1/256Hz (write-once)