Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
at91_shdwc.h
Go to the documentation of this file.
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__
20 extern 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