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imx_watchdog: do not soft-reset while watchdog init

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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>
This commit is contained in:
Anatolij Gustschin 2013-09-30 12:52:38 +02:00 committed by Stefano Babic
parent 77b0e2239a
commit 723ec69a6b
1 changed files with 2 additions and 1 deletions
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3
drivers/watchdog/imx_watchdog.c
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@ -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();
}