From e9a389a18477c1c57a0b30e9ea8f4d38c6e26e63 Mon Sep 17 00:00:00 2001
From: Sonic Zhang <sonic.zhang@analog.com>
Date: Sun, 7 Apr 2013 18:02:37 +0800
Subject: blackfin: Move blackfin watchdog driver out of the blackfin arch
 folder.

- Enable hw_watchdog_init() in watchdog.h if CONFIG_HW_WATCHDOG is defined.
- Move blackfin hw watchdog driver to the generic driver folder.
- Call hw_watchdog_init() from blackfin board init code.
- Reuse macro CONFIG_WATCHDOG_TIMEOUT_MSECS
- Update README.watchdog accordingly

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
---
 drivers/watchdog/bfin_wdt.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 drivers/watchdog/bfin_wdt.c

(limited to 'drivers/watchdog/bfin_wdt.c')

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);
+}
-- 
cgit