summaryrefslogtreecommitdiff
path: root/drivers/watchdog/bfin_wdt.c
diff options
context:
space:
mode:
authorAlbert ARIBAUD <albert.u.boot@aribaud.net>2013-05-30 14:45:06 +0200
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2013-05-30 14:45:06 +0200
commita19b0dd62d7b8efc658fa1aa685ff5665878f3ee (patch)
tree1fadf0fb3da83203ba28f209ec99e1b33e03f4d5 /drivers/watchdog/bfin_wdt.c
parent60985bba58e7695dac1fddae8cdbb62d8cfd1254 (diff)
parenta71d45d706a5b51c348160163b6c159632273fed (diff)
Merge branch 'u-boot/master' into 'u-boot-arm/master'
Conflicts: common/cmd_fpga.c drivers/usb/host/ohci-at91.c
Diffstat (limited to 'drivers/watchdog/bfin_wdt.c')
-rw-r--r--drivers/watchdog/bfin_wdt.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/watchdog/bfin_wdt.c b/drivers/watchdog/bfin_wdt.c
new file mode 100644
index 0000000000..7a6756b2e5
--- /dev/null
+++ b/drivers/watchdog/bfin_wdt.c
@@ -0,0 +1,26 @@
+/*
+ * watchdog.c - driver for Blackfin on-chip watchdog
+ *
+ * Copyright (c) 2007-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <watchdog.h>
+#include <asm/blackfin.h>
+#include <asm/mach-common/bits/watchdog.h>
+
+void hw_watchdog_reset(void)
+{
+ bfin_write_WDOG_STAT(0);
+}
+
+void hw_watchdog_init(void)
+{
+ bfin_write_WDOG_CTL(WDDIS);
+ SSYNC();
+ bfin_write_WDOG_CNT(CONFIG_WATCHDOG_TIMEOUT_MSECS / 1000 * get_sclk());
+ hw_watchdog_reset();
+ bfin_write_WDOG_CTL(WDEN);
+}