[U-Boot] [PATCH 6/7] ti: wdt: omap: Use CONFIG_HW_WATCHDOG_TIMEOUT_MS to specify watchdog timeout
Lukasz Majewski
lukma at denx.de
Sun Feb 19 22:24:41 UTC 2017
Now it is possible to specify in the config file the time after which
watchdog will trigger.
The flag itself has been reused from designware watchdog code
(./drivers/watchdog/designware_wdt.c).
Signed-off-by: Lukasz Majewski <lukma at denx.de>
---
drivers/watchdog/omap_wdt.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
index 7b1f429..5a2126b 100644
--- a/drivers/watchdog/omap_wdt.c
+++ b/drivers/watchdog/omap_wdt.c
@@ -45,7 +45,9 @@
#include <asm/arch/cpu.h>
/* Hardware timeout in seconds */
-#define WDT_HW_TIMEOUT 60
+#ifndef CONFIG_HW_WATCHDOG_TIMEOUT_MS
+#define CONFIG_HW_WATCHDOG_TIMEOUT_MS 60000
+#endif
static unsigned int wdt_trgr_pattern = 0x1234;
@@ -68,7 +70,7 @@ void hw_watchdog_reset(void)
static int omap_wdt_set_timeout(unsigned int timeout)
{
struct wd_timer *wdt = (struct wd_timer *)WDT_BASE;
- u32 pre_margin = GET_WLDR_VAL(timeout);
+ u32 pre_margin = GET_WLDR_VAL(timeout / 1000);
/* just count up at 32 KHz */
while (readl(&wdt->wdtwwps) & WDT_WWPS_PEND_WLDR)
@@ -115,7 +117,7 @@ void hw_watchdog_init(void)
while (readl(&wdt->wdtwwps) & WDT_WWPS_PEND_WCLR)
;
- omap_wdt_set_timeout(WDT_HW_TIMEOUT);
+ omap_wdt_set_timeout(CONFIG_HW_WATCHDOG_TIMEOUT_MS);
/* Sequence to enable the watchdog */
writel(0xBBBB, &wdt->wdtwspr);
--
2.1.4
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