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-rw-r--r--arch/mips/include/asm/i8253.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/mips/include/asm/i8253.h b/arch/mips/include/asm/i8253.h
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+++ b/arch/mips/include/asm/i8253.h
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+/*
+ * Machine specific IO port address definition for generic.
+ * Written by Osamu Tomita <tomita@cinet.co.jp>
+ */
+#ifndef __ASM_I8253_H
+#define __ASM_I8253_H
+
+#include <linux/spinlock.h>
+
+/* i8253A PIT registers */
+#define PIT_MODE 0x43
+#define PIT_CH0 0x40
+#define PIT_CH2 0x42
+
+#define PIT_TICK_RATE 1193182UL
+
+extern spinlock_t i8253_lock;
+
+extern void setup_pit_timer(void);
+
+#endif /* __ASM_I8253_H */