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Linux/arch/arm/mach-at91/at91_shdwc.h

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  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
 51 

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