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