summaryrefslogtreecommitdiff
path: root/arch/arm/mach-at91/include/mach/at91_rstc.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-at91/include/mach/at91_rstc.h')
-rw-r--r--arch/arm/mach-at91/include/mach/at91_rstc.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/at91_rstc.h b/arch/arm/mach-at91/include/mach/at91_rstc.h
new file mode 100644
index 0000000000..e4eb3da03f
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/at91_rstc.h
@@ -0,0 +1,50 @@
+/*
+ * [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.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef AT91_RSTC_H
+#define AT91_RSTC_H
+
+/* Reset Controller Status Register */
+#define AT91_ASM_RSTC_SR (ATMEL_BASE_RSTC + 0x04)
+#define AT91_ASM_RSTC_MR (ATMEL_BASE_RSTC + 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
+
+#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)
+
+#endif