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authorPeter Tyser <ptyser@xes-inc.com>2010-04-12 22:28:13 -0500
committerWolfgang Denk <wd@denx.de>2010-04-13 09:13:25 +0200
commitc6fb83d21729321426308c3acff2a3dfb20d250b (patch)
tree85b569582345fdd9361d8524df08e92251c84a59 /arch/blackfin/cpu/watchdog.c
parenta4145534851bf74619cb373a942613a74547bb82 (diff)
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blackfin: Move cpu/blackfin/* to arch/blackfin/cpu/*
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'arch/blackfin/cpu/watchdog.c')
-rw-r--r--arch/blackfin/cpu/watchdog.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/blackfin/cpu/watchdog.c b/arch/blackfin/cpu/watchdog.c
new file mode 100644
index 0000000..1886bda
--- /dev/null
+++ b/arch/blackfin/cpu/watchdog.c
@@ -0,0 +1,23 @@
+/*
+ * 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>
+
+void hw_watchdog_reset(void)
+{
+ bfin_write_WDOG_STAT(0);
+}
+
+void hw_watchdog_init(void)
+{
+ bfin_write_WDOG_CNT(5 * get_sclk()); /* 5 second timeout */
+ hw_watchdog_reset();
+ bfin_write_WDOG_CTL(0x0);
+}