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Diffstat (limited to 'arch/arm/include/asm/arch-at91/at91_rstc.h')
-rw-r--r--arch/arm/include/asm/arch-at91/at91_rstc.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-at91/at91_rstc.h b/arch/arm/include/asm/arch-at91/at91_rstc.h
new file mode 100644
index 0000000000..9ff2c5b7ac
--- /dev/null
+++ b/arch/arm/include/asm/arch-at91/at91_rstc.h
@@ -0,0 +1,69 @@
+/*
+ * [origin: Linux kernel include/asm-arm/arch-at91/at91_rstc.h]
+ *
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
+ * Reset Controller (RSTC) - 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_RSTC_H
+#define AT91_RSTC_H
+
+#define AT91_ASM_RSTC_MR (AT91_RSTC_BASE + 0x08)
+
+#ifndef __ASSEMBLY__
+
+typedef struct at91_rstc {
+ u32 cr; /* Reset Controller Control Register */
+ u32 sr; /* Reset Controller Status Register */
+ u32 mr; /* Reset Controller Mode Register */
+} at91_rstc_t;
+
+#endif /* __ASSEMBLY__ */
+
+#define AT91_RSTC_KEY 0xA5000000
+
+#define AT91_RSTC_CR_PROCRST 0x00000001
+#define AT91_RSTC_CR_PERRST 0x00000004
+#define AT91_RSTC_CR_EXTRST 0x00000008
+
+#define AT91_RSTC_MR_URSTEN 0x00000001
+#define AT91_RSTC_MR_URSTIEN 0x00000010
+#define AT91_RSTC_MR_ERSTL(x) ((x & 0xf) << 8)
+#define AT91_RSTC_MR_ERSTL_MASK 0x0000FF00
+
+#define AT91_RSTC_SR_NRSTL 0x00010000
+
+#ifdef CONFIG_AT91_LEGACY
+
+#define AT91_RSTC_CR (AT91_RSTC + 0x00) /* Reset Controller Control Register */
+#define AT91_RSTC_PROCRST (1 << 0) /* Processor Reset */
+#define AT91_RSTC_PERRST (1 << 2) /* Peripheral Reset */
+#define AT91_RSTC_EXTRST (1 << 3) /* External Reset */
+
+#define AT91_RSTC_SR (AT91_RSTC + 0x04) /* Reset Controller Status Register */
+#define AT91_RSTC_URSTS (1 << 0) /* User Reset Status */
+#define AT91_RSTC_RSTTYP (7 << 8) /* Reset Type */
+#define AT91_RSTC_RSTTYP_GENERAL (0 << 8)
+#define AT91_RSTC_RSTTYP_WAKEUP (1 << 8)
+#define AT91_RSTC_RSTTYP_WATCHDOG (2 << 8)
+#define AT91_RSTC_RSTTYP_SOFTWARE (3 << 8)
+#define AT91_RSTC_RSTTYP_USER (4 << 8)
+#define AT91_RSTC_NRSTL (1 << 16) /* NRST Pin Level */
+#define AT91_RSTC_SRCMP (1 << 17) /* Software Reset Command in Progress */
+
+#define AT91_RSTC_MR (AT91_RSTC + 0x08) /* Reset Controller Mode Register */
+#define AT91_RSTC_URSTEN (1 << 0) /* User Reset Enable */
+#define AT91_RSTC_URSTIEN (1 << 4) /* User Reset Interrupt Enable */
+#define AT91_RSTC_ERSTL (0xf << 8) /* External Reset Length */
+
+#endif /* CONFIG_AT91_LEGACY */
+
+#endif
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