arch/arm/include/asm/arch-at91/at91_wdt.h

   1 /*
   2  * [origin: Linux kernel arch/arm/mach-at91/include/mach/at91_wdt.h]
   3  *
   4  * Copyright (C) 2008 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
   5  * Copyright (C) 2007 Andrew Victor
   6  * Copyright (C) 2007 Atmel Corporation.
   7  *
   8  * Watchdog Timer (WDT) - System peripherals regsters.
   9  * Based on AT91SAM9261 datasheet revision D.
  10  *
  11  * SPDX-License-Identifier:     GPL-2.0+
  12  */
  13
  14 #ifndef AT91_WDT_H
  15 #define AT91_WDT_H
  16
  17 #ifdef __ASSEMBLY__
  18
  19 #define AT91_ASM_WDT_MR (ATMEL_BASE_WDT +  0x04)
  20
  21 #else
  22
  23 typedef struct at91_wdt {
  24         u32     cr;
  25         u32     mr;
  26         u32     sr;
  27 } at91_wdt_t;
  28
  29 #endif
  30
  31 #define AT91_WDT_CR_WDRSTT              1
  32 #define AT91_WDT_CR_KEY                 0xa5000000      /* KEY Password */
  33
  34 #define AT91_WDT_MR_WDV(x)              (x & 0xfff)
  35 #define AT91_WDT_MR_WDFIEN              0x00001000
  36 #define AT91_WDT_MR_WDRSTEN             0x00002000
  37 #define AT91_WDT_MR_WDRPROC             0x00004000
  38 #define AT91_WDT_MR_WDDIS               0x00008000
  39 #define AT91_WDT_MR_WDD(x)              ((x & 0xfff) << 16)
  40 #define AT91_WDT_MR_WDDBGHLT            0x10000000
  41 #define AT91_WDT_MR_WDIDLEHLT           0x20000000
  42
  43 #endif