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bootloader/u-boot_2015_04/include/mk48t59.h 1.29 KB
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  /*
   * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
   * Andreas Heppel <aheppel@sysgo.de>
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  /*
   * Date & Time support for the MK48T59 RTC
   */
  
  
  #if defined(CONFIG_RTC_MK48T59) && defined(CONFIG_CMD_DATE)
  
  #define RTC_PORT_ADDR0		CONFIG_SYS_ISA_IO +  0x70
  #define RTC_PORT_ADDR1		RTC_PORT_ADDR0 +  0x1
  #define RTC_PORT_DATA		CONFIG_SYS_ISA_IO +  0x76
  
  /* RTC Offsets */
  #define RTC_SECONDS             0x1FF9
  #define RTC_MINUTES             0x1FFA
  #define RTC_HOURS               0x1FFB
  #define RTC_DAY_OF_WEEK         0x1FFC
  #define RTC_DAY_OF_MONTH        0x1FFD
  #define RTC_MONTH               0x1FFE
  #define RTC_YEAR                0x1FFF
  
  #define RTC_CONTROLA            0x1FF8
  #define RTC_CA_WRITE            0x80
  #define RTC_CA_READ             0x40
  #define RTC_CA_CALIB_SIGN       0x20
  #define RTC_CA_CALIB_MASK       0x1f
  
  #define RTC_CONTROLB            0x1FF9
  #define RTC_CB_STOP             0x80
  
  #define RTC_WATCHDOG			0x1FF7
  #define RTC_WDS					0x80
  #define RTC_WD_RB_16TH			0x0
  #define RTC_WD_RB_4TH			0x1
  #define RTC_WD_RB_1				0x2
  #define RTC_WD_RB_4				0x3
  
  void rtc_set_watchdog(short multi, short res);
  void *nvram_read(void *dest, const short src, size_t count);
  void nvram_write(short dest, const void *src, size_t count);
  
  #endif