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-rw-r--r--kernel/arch/mn10300/include/asm/reset-regs.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/kernel/arch/mn10300/include/asm/reset-regs.h b/kernel/arch/mn10300/include/asm/reset-regs.h
new file mode 100644
index 000000000..8ca2a42d3
--- /dev/null
+++ b/kernel/arch/mn10300/include/asm/reset-regs.h
@@ -0,0 +1,60 @@
+/* MN10300 Reset controller and watchdog timer definitions
+ *
+ * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#ifndef _ASM_RESET_REGS_H
+#define _ASM_RESET_REGS_H
+
+#include <asm/cpu-regs.h>
+#include <asm/exceptions.h>
+
+#ifdef __KERNEL__
+
+/*
+ * watchdog timer registers
+ */
+#define WDBC __SYSREGC(0xc0001000, u8) /* watchdog binary counter reg */
+
+#define WDCTR __SYSREG(0xc0001002, u8) /* watchdog timer control reg */
+#define WDCTR_WDCK 0x07 /* clock source selection */
+#define WDCTR_WDCK_256th 0x00 /* - OSCI/256 */
+#define WDCTR_WDCK_1024th 0x01 /* - OSCI/1024 */
+#define WDCTR_WDCK_2048th 0x02 /* - OSCI/2048 */
+#define WDCTR_WDCK_16384th 0x03 /* - OSCI/16384 */
+#define WDCTR_WDCK_65536th 0x04 /* - OSCI/65536 */
+#define WDCTR_WDRST 0x40 /* binary counter reset */
+#define WDCTR_WDCNE 0x80 /* watchdog timer enable */
+
+#define RSTCTR __SYSREG(0xc0001004, u8) /* reset control reg */
+#define RSTCTR_CHIPRST 0x01 /* chip reset */
+#define RSTCTR_DBFRST 0x02 /* double fault reset flag */
+#define RSTCTR_WDTRST 0x04 /* watchdog timer reset flag */
+#define RSTCTR_WDREN 0x08 /* watchdog timer reset enable */
+
+#ifndef __ASSEMBLY__
+
+static inline void mn10300_proc_hard_reset(void)
+{
+ RSTCTR &= ~RSTCTR_CHIPRST;
+ RSTCTR |= RSTCTR_CHIPRST;
+}
+
+extern unsigned int watchdog_alert_counter[];
+
+extern void watchdog_go(void);
+extern asmlinkage void watchdog_handler(void);
+extern asmlinkage
+void watchdog_interrupt(struct pt_regs *, enum exception_code);
+
+#endif
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_RESET_REGS_H */