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at91_rstc.h

/*
 * arch/arm/mach-at91/include/mach/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.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#ifndef AT91_RSTC_H
#define AT91_RSTC_H

#define AT91_RSTC_CR          (AT91_RSTC + 0x00)      /* Reset Controller Control Register */
#define           AT91_RSTC_PROCRST (1 << 0)          /* Processor Reset */
#define           AT91_RSTC_PERRST  (1 << 2)          /* Peripheral Reset */
#define           AT91_RSTC_EXTRST  (1 << 3)          /* External Reset */
#define           AT91_RSTC_KEY           (0xa5 << 24)            /* KEY Password */

#define AT91_RSTC_SR          (AT91_RSTC + 0x04)      /* Reset Controller Status Register */
#define           AT91_RSTC_URSTS         (1 << 0)          /* User Reset Status */
#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)
#define           AT91_RSTC_NRSTL         (1 << 16)         /* NRST Pin Level */
#define           AT91_RSTC_SRCMP         (1 << 17)         /* Software Reset Command in Progress */

#define AT91_RSTC_MR          (AT91_RSTC + 0x08)      /* Reset Controller Mode Register */
#define           AT91_RSTC_URSTEN  (1 << 0)          /* User Reset Enable */
#define           AT91_RSTC_URSTIEN (1 << 4)          /* User Reset Interrupt Enable */
#define           AT91_RSTC_ERSTL         (0xf << 8)        /* External Reset Length */

#endif

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