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author	Imre Kaloz <kaloz@openwrt.org>	2014-03-26 11:34:39 +0000
committer	Imre Kaloz <kaloz@openwrt.org>	2014-03-26 11:34:39 +0000
commit	c5b682a718857f47c9880c4c25894a1d9ecc18c8 (patch)
tree	61808109dbee7f488e552deeb0c88f2a3fce35ce /package/kernel/linux/modules/w1.mk
parent	d7a9700570eb6d3e55777cda1ae1503000692bb9 (diff)
download	upstream-c5b682a718857f47c9880c4c25894a1d9ecc18c8.tar.gz upstream-c5b682a718857f47c9880c4c25894a1d9ecc18c8.tar.bz2 upstream-c5b682a718857f47c9880c4c25894a1d9ecc18c8.zip

upgrade 3.13 targets to 3.13.7

Signed-off-by: Imre Kaloz <kaloz@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@40022 3c298f89-4303-0410-b956-a3cf2f4a3e73

Diffstat (limited to 'package/kernel/linux/modules/w1.mk')

0 files changed, 0 insertions, 0 deletions

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Allow watchdog to set its iterrupt as pending when it is configured
for timer mode (in other words, allow emitting interrupt).
Also add macros for all Watchdog Control Register flags.

Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
---
 arch/arm/include/asm/smp_twd.h |    6 ++++++
 drivers/watchdog/mpcore_wdt.c  |   15 +++++++++++----
 2 files changed, 17 insertions(+), 4 deletions(-)

--- a/arch/arm/include/asm/smp_twd.h
+++ b/arch/arm/include/asm/smp_twd.h
@@ -18,6 +18,12 @@
 #define TWD_TIMER_CONTROL_PERIODIC	(1 << 1)
 #define TWD_TIMER_CONTROL_IT_ENABLE	(1 << 2)
 
+#define TWD_WDOG_CONTROL_ENABLE		(1 << 0)
+#define TWD_WDOG_CONTROL_PERIODIC	(1 << 1)
+#define TWD_WDOG_CONTROL_IT_ENABLE	(1 << 2)
+#define TWD_WDOG_CONTROL_TIMER_MODE	(0 << 3)
+#define TWD_WDOG_CONTROL_WATCHDOG_MODE	(1 << 3)
+
 #include <linux/ioport.h>
 
 struct twd_local_timer {
--- a/drivers/watchdog/mpcore_wdt.c
+++ b/drivers/watchdog/mpcore_wdt.c
@@ -121,18 +121,25 @@ static void mpcore_wdt_stop(struct mpcor
 
 static void mpcore_wdt_start(struct mpcore_wdt *wdt)
 {
+	u32 mode;
+
 	dev_printk(KERN_INFO, wdt->dev, "enabling watchdog.\n");
 
 	/* This loads the count register but does NOT start the count yet */
 	mpcore_wdt_keepalive(wdt);
 
+	/* Setup watchdog - prescale=256, enable=1 */
+	mode = (255 << 8) | TWD_WDOG_CONTROL_ENABLE;
+
 	if (mpcore_noboot) {
-		/* Enable watchdog - prescale=256, watchdog mode=0, enable=1 */
-		writel(0x0000FF01, wdt->base + TWD_WDOG_CONTROL);
+		/* timer mode, send interrupt */
+		mode |=	TWD_WDOG_CONTROL_TIMER_MODE |
+				TWD_WDOG_CONTROL_IT_ENABLE;
 	} else {
-		/* Enable watchdog - prescale=256, watchdog mode=1, enable=1 */
-		writel(0x0000FF09, wdt->base + TWD_WDOG_CONTROL);
+		/* watchdog mode */
+		mode |=	TWD_WDOG_CONTROL_WATCHDOG_MODE;
 	}
+	writel(mode, wdt->base + TWD_WDOG_CONTROL);
 }
 
 static int mpcore_wdt_set_heartbeat(int t)


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