1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-at91/at91_pit.h b/arch/arm/include/asm/arch-at91/at91_pit.h
new file mode 100644
index 0000000000..5615a0206c
--- /dev/null
+++ b/arch/arm/include/asm/arch-at91/at91_pit.h
@@ -0,0 +1,47 @@
+/*
+ * [origin: Linux kernel include/asm-arm/arch-at91/at91_pit.h]
+ *
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
+ * Periodic Interval Timer (PIT) - System peripherals regsters.
+ * Based on AT91SAM9261 datasheet revision D.
+ *
+ * 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.
+ */
+
+#ifndef AT91_PIT_H
+#define AT91_PIT_H
+
+typedef struct at91_pit {
+	u32	mr;	/* 0x00 Mode Register */
+	u32	sr;	/* 0x04 Status Register */
+	u32	pivr;	/* 0x08 Periodic Interval Value Register */
+	u32	piir;	/* 0x0C Periodic Interval Image Register */
+} at91_pit_t;
+
+#define		AT91_PIT_MR_IEN		0x02000000
+#define		AT91_PIT_MR_EN		0x01000000
+#define		AT91_PIT_MR_PIV_MASK	(x & 0x000fffff)
+#define		AT91_PIT_MR_PIV(x)	(x & AT91_PIT_MR_PIV_MASK)
+
+#ifdef CONFIG_AT91_LEGACY
+
+#define AT91_PIT_MR		(AT91_PIT + 0x00)	/* Mode Register */
+#define		AT91_PIT_PITIEN		(1 << 25)		/* Timer Interrupt Enable */
+#define		AT91_PIT_PITEN		(1 << 24)		/* Timer Enabled */
+#define		AT91_PIT_PIV		(0xfffff)		/* Periodic Interval Value */
+
+#define AT91_PIT_SR		(AT91_PIT + 0x04)	/* Status Register */
+#define		AT91_PIT_PITS		(1 << 0)		/* Timer Status */
+
+#define AT91_PIT_PIVR		(AT91_PIT + 0x08)	/* Periodic Interval Value Register */
+#define AT91_PIT_PIIR		(AT91_PIT + 0x0c)	/* Periodic Interval Image Register */
+#define		AT91_PIT_PICNT		(0xfff << 20)		/* Interval Counter */
+#define		AT91_PIT_CPIV		(0xfffff)		/* Inverval Value */
+
+#endif /* CONFIG_AT91_LEGACY */
+#endif