include/mk48t59.h

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