From 3f2546b2ef55b661fd8dd69682b38992225e86f6 Mon Sep 17 00:00:00 2001
From: fishsoupisgood <github@madingley.org>
Date: Mon, 29 Apr 2019 01:17:54 +0100
Subject: Initial import of qemu-2.4.1

---
 roms/u-boot/drivers/watchdog/bfin_wdt.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 roms/u-boot/drivers/watchdog/bfin_wdt.c

(limited to 'roms/u-boot/drivers/watchdog/bfin_wdt.c')

diff --git a/roms/u-boot/drivers/watchdog/bfin_wdt.c b/roms/u-boot/drivers/watchdog/bfin_wdt.c
new file mode 100644
index 00000000..7a6756b2
--- /dev/null
+++ b/roms/u-boot/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);
+}
-- 
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