arch/arm/mach-at91/at91_shdwc.h

   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