at91_rstreg.h revision 238369
1/*- 2 * Copyright (c) 2009 Greg Ansley. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26/* $FreeBSD: head/sys/arm/at91/at91_rstreg.h 238369 2012-07-11 17:11:07Z imp $ */ 27 28#ifndef ARM_AT91_AT91_RSTREG_H 29#define ARM_AT91_AT91_RSTREG_H 30 31#define RST_CR 0x0 /* Control Register */ 32#define RST_SR 0x4 /* Status Register */ 33#define RST_MR 0x8 /* Mode Register */ 34 35/* RST_CR */ 36#define RST_CR_PROCRST (1<<0) 37#define RST_CR_PERRST (1<<2) 38#define RST_CR_EXTRST (1<<3) 39#define RST_CR_KEY (0xa5<<24) 40 41/* RST_SR */ 42#define RST_SR_SRCMP (1<<17) /* Software Reset in progress */ 43#define RST_SR_NRSTL (1<<16) /* NRST pin level at MCK */ 44#define RST_SR_URSTS (1<<0) /* NRST pin has been active */ 45 46#define RST_SR_RST_POW (0<<8) /* General (Power On) reset */ 47#define RST_SR_RST_WAKE (1<<8) /* Wake-up reset */ 48#define RST_SR_RST_WDT (2<<8) /* Watchdog reset */ 49#define RST_SR_RST_SOFT (3<<8) /* Software reset */ 50#define RST_SR_RST_USR (4<<8) /* User (External) reset */ 51#define RST_SR_RST_MASK (7<<8) /* User (External) reset */ 52 53/* RST_MR */ 54#define RST_MR_URSTEN (1<<0) /* User reset enable */ 55#define RST_MR_URSIEN (1<<4) /* User interrupt enable */ 56#define RST_MR_ERSTL(x) ((x)<<8) /* External reset length */ 57#define RST_MR_KEY (0xa5<<24) 58 59#ifndef __ASSEMBLER__ 60void at91_rst_cpu_reset(void); 61#endif 62 63#endif /* ARM_AT91_AT91_RSTREG_H */ 64