1/* 2 * arch/arm/mach-at91/include/mach/at91_shdwc.h 3 * 4 * Copyright (C) 2007 Andrew Victor 5 * Copyright (C) 2007 Atmel Corporation. 6 * 7 * Shutdown Controller (SHDWC) - 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_SHDWC_H 17#define AT91_SHDWC_H 18 19#ifndef __ASSEMBLY__ 20extern void __iomem *at91_shdwc_base; 21 22#define at91_shdwc_read(field) \ 23 __raw_readl(at91_shdwc_base + field) 24 25#define at91_shdwc_write(field, value) \ 26 __raw_writel(value, at91_shdwc_base + field); 27#endif 28 29#define AT91_SHDW_CR 0x00 /* Shut Down Control Register */ 30#define AT91_SHDW_SHDW (1 << 0) /* Shut Down command */ 31#define AT91_SHDW_KEY (0xa5 << 24) /* KEY Password */ 32 33#define AT91_SHDW_MR 0x04 /* Shut Down Mode Register */ 34#define AT91_SHDW_WKMODE0 (3 << 0) /* Wake-up 0 Mode Selection */ 35#define AT91_SHDW_WKMODE0_NONE 0 36#define AT91_SHDW_WKMODE0_HIGH 1 37#define AT91_SHDW_WKMODE0_LOW 2 38#define AT91_SHDW_WKMODE0_ANYLEVEL 3 39#define AT91_SHDW_CPTWK0_MAX 0xf /* Maximum Counter On Wake Up 0 */ 40#define AT91_SHDW_CPTWK0 (AT91_SHDW_CPTWK0_MAX << 4) /* Counter On Wake Up 0 */ 41#define AT91_SHDW_CPTWK0_(x) ((x) << 4) 42#define AT91_SHDW_RTTWKEN (1 << 16) /* Real Time Timer Wake-up Enable */ 43#define AT91_SHDW_RTCWKEN (1 << 17) /* Real Time Clock Wake-up Enable */ 44 45#define AT91_SHDW_SR 0x08 /* Shut Down Status Register */ 46#define AT91_SHDW_WAKEUP0 (1 << 0) /* Wake-up 0 Status */ 47#define AT91_SHDW_RTTWK (1 << 16) /* Real-time Timer Wake-up */ 48#define AT91_SHDW_RTCWK (1 << 17) /* Real-time Clock Wake-up [SAM9RL] */ 49 50#endif 51