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[karo-tx-uboot.git] / arch / arm / include / asm / arch-at91 / at91_shdwn.h
1 /*
2  * Copyright (C) 2010
3  * Reinhard Meyer, reinhard.meyer@emk-elektronik.de
4  *
5  * Shutdown Controller
6  * Based on AT91SAM9XE datasheet
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  */
13
14 #ifndef AT91_SHDWN_H
15 #define AT91_SHDWN_H
16
17 #ifndef __ASSEMBLY__
18
19 struct at91_shdwn {
20         u32     cr;     /* Control Rer.    WO */
21         u32     mr;     /* Mode Register   RW 0x00000003 */
22         u32     sr;     /* Status Register RO 0x00000000 */
23 };
24
25 #endif /* __ASSEMBLY__ */
26
27 #define AT91_SHDW_CR_KEY        0xa5000000
28 #define AT91_SHDW_CR_SHDW       0x00000001
29
30 #define AT91_SHDW_MR_RTTWKEN    0x00010000
31 #define AT91_SHDW_MR_CPTWK0     0x000000f0
32 #define AT91_SHDW_MR_WKMODE0H2L 0x00000002
33 #define AT91_SHDW_MR_WKMODE0L2H 0x00000001
34
35 #define AT91_SHDW_SR_RTTWK      0x00010000
36 #define AT91_SHDW_SR_WAKEUP0    0x00000001
37
38 #endif