include/mk48t59.h

   1 /*
   2  * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
   3  * Andreas Heppel <aheppel@sysgo.de>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 /*
   9  * Date & Time support for the MK48T59 RTC
  10  */
  11
  12
  13 #if defined(CONFIG_RTC_MK48T59) && defined(CONFIG_CMD_DATE)
  14
  15 #define RTC_PORT_ADDR0          CONFIG_SYS_ISA_IO +  0x70
  16 #define RTC_PORT_ADDR1          RTC_PORT_ADDR0 +  0x1
  17 #define RTC_PORT_DATA           CONFIG_SYS_ISA_IO +  0x76
  18
  19 /* RTC Offsets */
  20 #define RTC_SECONDS             0x1FF9
  21 #define RTC_MINUTES             0x1FFA
  22 #define RTC_HOURS               0x1FFB
  23 #define RTC_DAY_OF_WEEK         0x1FFC
  24 #define RTC_DAY_OF_MONTH        0x1FFD
  25 #define RTC_MONTH               0x1FFE
  26 #define RTC_YEAR                0x1FFF
  27
  28 #define RTC_CONTROLA            0x1FF8
  29 #define RTC_CA_WRITE            0x80
  30 #define RTC_CA_READ             0x40
  31 #define RTC_CA_CALIB_SIGN       0x20
  32 #define RTC_CA_CALIB_MASK       0x1f
  33
  34 #define RTC_CONTROLB            0x1FF9
  35 #define RTC_CB_STOP             0x80
  36
  37 #define RTC_WATCHDOG                    0x1FF7
  38 #define RTC_WDS                                 0x80
  39 #define RTC_WD_RB_16TH                  0x0
  40 #define RTC_WD_RB_4TH                   0x1
  41 #define RTC_WD_RB_1                             0x2
  42 #define RTC_WD_RB_4                             0x3
  43
  44 void rtc_set_watchdog(short multi, short res);
  45 void *nvram_read(void *dest, const short src, size_t count);
  46 void nvram_write(short dest, const void *src, size_t count);
  47
  48 #endif