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authorAnatolij Gustschin <agust@denx.de>2013-09-30 12:52:38 +0200
committerStefano Babic <sbabic@denx.de>2013-10-31 17:54:03 +0100
commit723ec69a6b7eeb3e89d35dcf8fd223702ace6125 (patch)
treee18dc88ce5e592ea93363a39f310e6991c346e96
parent77b0e2239a13fa83a745ea9b03994bf780a9738a (diff)
imx_watchdog: do not soft-reset while watchdog init
Currently the driver clears WCR_SRS bit when enabling the watchdog and this causes a software reset. Do not clear WCR_SRS. Signed-off-by: Anatolij Gustschin <agust@denx.de>
-rw-r--r--drivers/watchdog/imx_watchdog.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/watchdog/imx_watchdog.c b/drivers/watchdog/imx_watchdog.c
index 50e602af12..d5993b4d26 100644
--- a/drivers/watchdog/imx_watchdog.c
+++ b/drivers/watchdog/imx_watchdog.c
@@ -19,6 +19,7 @@ struct watchdog_regs {
#define WCR_WDBG 0x02
#define WCR_WDE 0x04 /* WDOG enable */
#define WCR_WDT 0x08
+#define WCR_SRS 0x10
#define WCR_WDW 0x80
#define SET_WCR_WT(x) (x << 8)
@@ -45,7 +46,7 @@ void hw_watchdog_init(void)
#define CONFIG_WATCHDOG_TIMEOUT_MSECS 128000
#endif
timeout = (CONFIG_WATCHDOG_TIMEOUT_MSECS / 500) - 1;
- writew(WCR_WDZST | WCR_WDBG | WCR_WDE | WCR_WDT |
+ writew(WCR_WDZST | WCR_WDBG | WCR_WDE | WCR_WDT | WCR_SRS |
WCR_WDW | SET_WCR_WT(timeout), &wdog->wcr);
hw_watchdog_reset();
}