ARMV7: Exynos4: Add watchdog.h for Exynos4

[karo-tx-uboot.git] / arch / arm / include / asm / arch-exynos / watchdog.h

diff --git a/arch/arm/include/asm/arch-exynos/watchdog.h b/arch/arm/include/asm/arch-exynos/watchdog.h
new file mode 100644 (file)
index 0000000..3015875
--- /dev/null
+++ b/arch/arm/include/asm/arch-exynos/watchdog.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2011 Samsung Electronics
+ * Heungjun Kim <riverful.kim@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __ASM_ARM_ARCH_WATCHDOG_H_
+#define __ASM_ARM_ARCH_WATCHDOG_H_
+
+#define WTCON_RESET_OFFSET     0
+#define WTCON_INTEN_OFFSET     2
+#define WTCON_CLKSEL_OFFSET    3
+#define WTCON_EN_OFFSET                5
+#define WTCON_PRE_OFFSET       8
+
+#define WTCON_CLK_16           0x0
+#define WTCON_CLK_32           0x1
+#define WTCON_CLK_64           0x2
+#define WTCON_CLK_128          0x3
+
+#define WTCON_CLK(x)           ((x & 0x3) << WTCON_CLKSEL_OFFSET)
+#define WTCON_PRESCALER(x)     ((x) << WTCON_PRE_OFFSET)
+#define WTCON_EN               (0x1 << WTCON_EN_OFFSET)
+#define WTCON_RESET            (0x1 << WTCON_RESET_OFFSET)
+#define WTCON_INT              (0x1 << WTCON_INTEN_OFFSET)
+
+#ifndef __ASSEMBLY__
+struct exynos4_watchdog {
+       unsigned int wtcon;
+       unsigned int wtdat;
+       unsigned int wtcnt;
+       unsigned int wtclrint;
+};
+#endif /* __ASSEMBLY__ */
+
+#endif