arch/ppc/platforms/tqm8260_setup.c

   1 /*
   2  * arch/ppc/platforms/tqm8260_setup.c
   3  *
   4  * TQM8260 platform support
   5  *
   6  * Author: Allen Curtis <acurtis@onz.com>
   7  * Derived from: m8260_setup.c by Dan Malek, MVista
   8  *
   9  * Copyright 2002 Ones and Zeros, Inc.
  10  *
  11  * This program is free software; you can redistribute  it and/or modify it
  12  * under  the terms of  the GNU General  Public License as published by the
  13  * Free Software Foundation;  either version 2 of the  License, or (at your
  14  * option) any later version.
  15  */
  16
  17 #include <linux/init.h>
  18
  19 #include <asm/immap_cpm2.h>
  20 #include <asm/mpc8260.h>
  21 #include <asm/machdep.h>
  22
  23 static int
  24 tqm8260_set_rtc_time(unsigned long time)
  25 {
  26         ((cpm2_map_t *)CPM_MAP_ADDR)->im_sit.sit_tmcnt = time;
  27         ((cpm2_map_t *)CPM_MAP_ADDR)->im_sit.sit_tmcntsc = 0x3;
  28
  29         return(0);
  30 }
  31
  32 static unsigned long
  33 tqm8260_get_rtc_time(void)
  34 {
  35         return ((cpm2_map_t *)CPM_MAP_ADDR)->im_sit.sit_tmcnt;
  36 }
  37
  38 void __init
  39 m82xx_board_init(void)
  40 {
  41         /* Anything special for this platform */
  42         ppc_md.set_rtc_time     = tqm8260_set_rtc_time;
  43         ppc_md.get_rtc_time     = tqm8260_get_rtc_time;
  44 }