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 #define AT91_SHDW_CR		(AT91_SHDWC + 0x00)	/* Shut Down Control Register */
20 #define		AT91_SHDW_SHDW		(1    << 0)		/* Shut Down command */
21 #define		AT91_SHDW_KEY		(0xa5 << 24)		/* KEY Password */
22 
23 #define AT91_SHDW_MR		(AT91_SHDWC + 0x04)	/* Shut Down Mode Register */
24 #define		AT91_SHDW_WKMODE0	(3 << 0)		/* Wake-up 0 Mode Selection */
25 #define			AT91_SHDW_WKMODE0_NONE		0
26 #define			AT91_SHDW_WKMODE0_HIGH		1
27 #define			AT91_SHDW_WKMODE0_LOW		2
28 #define			AT91_SHDW_WKMODE0_ANYLEVEL	3
29 #define		AT91_SHDW_CPTWK0	(0xf << 4)		/* Counter On Wake Up 0 */
30 #define			AT91_SHDW_CPTWK0_(x)	((x) << 4)
31 #define		AT91_SHDW_RTTWKEN	(1   << 16)		/* Real Time Timer Wake-up Enable */
32 
33 #define AT91_SHDW_SR		(AT91_SHDWC + 0x08)	/* Shut Down Status Register */
34 #define		AT91_SHDW_WAKEUP0	(1 <<  0)		/* Wake-up 0 Status */
35 #define		AT91_SHDW_RTTWK		(1 << 16)		/* Real-time Timer Wake-up */
36 #define		AT91_SHDW_RTCWK		(1 << 17)		/* Real-time Clock Wake-up [SAM9RL] */
37 
38 #endif
39