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Diffstat (limited to 'arch/arm/mach-at91/include/mach/at91_wdt.h')
-rw-r--r--arch/arm/mach-at91/include/mach/at91_wdt.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/at91_wdt.h b/arch/arm/mach-at91/include/mach/at91_wdt.h
new file mode 100644
index 0000000000..0644bbf3c6
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/at91_wdt.h
@@ -0,0 +1,43 @@
+/*
+ * [origin: Linux kernel arch/arm/mach-at91/include/mach/at91_wdt.h]
+ *
+ * Copyright (C) 2008 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
+ * Watchdog Timer (WDT) - System peripherals regsters.
+ * Based on AT91SAM9261 datasheet revision D.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef AT91_WDT_H
+#define AT91_WDT_H
+
+#ifdef __ASSEMBLY__
+
+#define AT91_ASM_WDT_MR (ATMEL_BASE_WDT + 0x04)
+
+#else
+
+typedef struct at91_wdt {
+ u32 cr;
+ u32 mr;
+ u32 sr;
+} at91_wdt_t;
+
+#endif
+
+#define AT91_WDT_CR_WDRSTT 1
+#define AT91_WDT_CR_KEY 0xa5000000 /* KEY Password */
+
+#define AT91_WDT_MR_WDV(x) (x & 0xfff)
+#define AT91_WDT_MR_WDFIEN 0x00001000
+#define AT91_WDT_MR_WDRSTEN 0x00002000
+#define AT91_WDT_MR_WDRPROC 0x00004000
+#define AT91_WDT_MR_WDDIS 0x00008000
+#define AT91_WDT_MR_WDD(x) ((x & 0xfff) << 16)
+#define AT91_WDT_MR_WDDBGHLT 0x10000000
+#define AT91_WDT_MR_WDIDLEHLT 0x20000000
+
+#endif