1 /* 2 * [origin: Linux kernel include/asm-arm/arch-at91/at91_rstc.h] 3 * 4 * Copyright (C) 2007 Andrew Victor 5 * Copyright (C) 2007 Atmel Corporation. 6 * 7 * Reset Controller (RSTC) - System peripherals regsters. 8 * Based on AT91SAM9261 datasheet revision D. 9 * 10 * SPDX-License-Identifier: GPL-2.0+ 11 */ 12 13 #ifndef AT91_RSTC_H 14 #define AT91_RSTC_H 15 16 /* Reset Controller Status Register */ 17 #define AT91_ASM_RSTC_SR (ATMEL_BASE_RSTC + 0x04) 18 #define AT91_ASM_RSTC_MR (ATMEL_BASE_RSTC + 0x08) 19 20 #ifndef __ASSEMBLY__ 21 22 typedef struct at91_rstc { 23 u32 cr; /* Reset Controller Control Register */ 24 u32 sr; /* Reset Controller Status Register */ 25 u32 mr; /* Reset Controller Mode Register */ 26 } at91_rstc_t; 27 28 #endif /* __ASSEMBLY__ */ 29 30 #define AT91_RSTC_KEY 0xA5000000 31 32 #define AT91_RSTC_CR_PROCRST 0x00000001 33 #define AT91_RSTC_CR_PERRST 0x00000004 34 #define AT91_RSTC_CR_EXTRST 0x00000008 35 36 #define AT91_RSTC_MR_URSTEN 0x00000001 37 #define AT91_RSTC_MR_URSTIEN 0x00000010 38 #define AT91_RSTC_MR_ERSTL(x) ((x & 0xf) << 8) 39 #define AT91_RSTC_MR_ERSTL_MASK 0x0000FF00 40 41 #define AT91_RSTC_SR_NRSTL 0x00010000 42 43 #define AT91_RSTC_RSTTYP (7 << 8) /* Reset Type */ 44 #define AT91_RSTC_RSTTYP_GENERAL (0 << 8) 45 #define AT91_RSTC_RSTTYP_WAKEUP (1 << 8) 46 #define AT91_RSTC_RSTTYP_WATCHDOG (2 << 8) 47 #define AT91_RSTC_RSTTYP_SOFTWARE (3 << 8) 48 #define AT91_RSTC_RSTTYP_USER (4 << 8) 49 50 #endif 51