1 /* 2 * arch/arm/mach-at91/include/mach/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 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 */ 15 16 #ifndef AT91_RSTC_H 17 #define AT91_RSTC_H 18 19 #define AT91_RSTC_CR (AT91_RSTC + 0x00) /* Reset Controller Control Register */ 20 #define AT91_RSTC_PROCRST (1 << 0) /* Processor Reset */ 21 #define AT91_RSTC_PERRST (1 << 2) /* Peripheral Reset */ 22 #define AT91_RSTC_EXTRST (1 << 3) /* External Reset */ 23 #define AT91_RSTC_KEY (0xa5 << 24) /* KEY Password */ 24 25 #define AT91_RSTC_SR (AT91_RSTC + 0x04) /* Reset Controller Status Register */ 26 #define AT91_RSTC_URSTS (1 << 0) /* User Reset Status */ 27 #define AT91_RSTC_RSTTYP (7 << 8) /* Reset Type */ 28 #define AT91_RSTC_RSTTYP_GENERAL (0 << 8) 29 #define AT91_RSTC_RSTTYP_WAKEUP (1 << 8) 30 #define AT91_RSTC_RSTTYP_WATCHDOG (2 << 8) 31 #define AT91_RSTC_RSTTYP_SOFTWARE (3 << 8) 32 #define AT91_RSTC_RSTTYP_USER (4 << 8) 33 #define AT91_RSTC_NRSTL (1 << 16) /* NRST Pin Level */ 34 #define AT91_RSTC_SRCMP (1 << 17) /* Software Reset Command in Progress */ 35 36 #define AT91_RSTC_MR (AT91_RSTC + 0x08) /* Reset Controller Mode Register */ 37 #define AT91_RSTC_URSTEN (1 << 0) /* User Reset Enable */ 38 #define AT91_RSTC_URSTIEN (1 << 4) /* User Reset Interrupt Enable */ 39 #define AT91_RSTC_ERSTL (0xf << 8) /* External Reset Length */ 40 41 #endif 42