LXR uboot/board/bmw/bmw.c

   1/*
   2 * (C) Copyright 2002
   3 * James F. Dougherty, Broadcom Corporation, jfd@broadcom.com
   4 *
   5 * See file CREDITS for list of people who contributed to this
   6 * project.
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License as
  10 * published by the Free Software Foundation; either version 2 of
  11 * the License, or (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, write to the Free Software
  20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21 * MA 02111-1307 USA
  22 */
  23
  24#include <common.h>
  25#include <watchdog.h>
  26#include <command.h>
  27#include <malloc.h>
  28#include <stdio_dev.h>
  29#include <net.h>
  30#include <timestamp.h>
  31#include <dtt.h>
  32#include <mpc824x.h>
  33#include <asm/processor.h>
  34#include <linux/mtd/doc2000.h>
  35
  36#include "bmw.h"
  37#include "m48t59y.h"
  38#include <pci.h>
  39
  40
  41int checkboard(void)
  42{
  43    ulong busfreq  = get_bus_freq(0);
  44    char  buf[32];
  45
  46    puts ("Board: BMW MPC8245/KAHLUA2 - CHRP (MAP B)\n");
  47    printf("Built: %s at %s\n", U_BOOT_DATE, U_BOOT_TIME);
  48    /* printf("MPLD:  Revision %d\n", SYS_REVID_GET()); */
  49    printf("Local Bus at %s MHz\n", strmhz(buf, busfreq));
  50    return 0;
  51}
  52
  53phys_size_t initdram(int board_type)
  54{
  55    return 64*1024*1024;
  56}
  57
  58
  59void
  60get_tod(void)
  61{
  62    int year, month, day, hour, minute, second;
  63
  64    m48_tod_get(&year,
  65                &month,
  66                &day,
  67                &hour,
  68                &minute,
  69                &second);
  70
  71    printf("  Current date/time: %d/%d/%d %d:%d:%d \n",
  72           month, day, year, hour, minute, second);
  73
  74}
  75
  76/*
  77 * EPIC, PCI, and I/O devices.
  78 * Initialize Mousse Platform, probe for PCI devices,
  79 * Query configuration parameters if not set.
  80 */
  81int misc_init_f (void)
  82{
  83#if 0
  84    m48_tod_init(); /* Init SGS M48T59Y TOD/NVRAM */
  85    printf("RTC:   M48T589 TOD/NVRAM (%d) bytes\n",
  86           TOD_NVRAM_SIZE);
  87    get_tod();
  88#endif
  89
  90    sys_led_msg("BOOT");
  91    return 0;
  92}
  93
  94
  95/*
  96 * Initialize PCI Devices, report devices found.
  97 */
  98struct pci_controller hose;
  99
 100void pci_init_board (void)
 101{
 102    pci_mpc824x_init(&hose);
 103    /* pci_dev_init(0); */
 104}
 105
 106/*
 107 * Write characters to LCD display.
 108 * Note that the bytes for the first character is the last address.
 109 */
 110void
 111sys_led_msg(char* msg)
 112{
 113    LED_REG(0) = msg[3];
 114    LED_REG(1) = msg[2];
 115    LED_REG(2) = msg[1];
 116    LED_REG(3) = msg[0];
 117}
 118
 119#ifdef CONFIG_CMD_DOC
 120/*
 121 * Map onboard TSOP-16MB DOC FLASH chip.
 122 */
 123void doc_init (void)
 124{
 125    doc_probe(DOC_BASE_ADDR);
 126}
 127#endif
 128
 129#define NV_ADDR ((volatile unsigned char *) CONFIG_ENV_ADDR)
 130
 131/* Read from NVRAM */
 132void*
 133nvram_read(void *dest, const long src, size_t count)
 134{
 135    int i;
 136    volatile unsigned char* d = (unsigned char*)dest;
 137    volatile unsigned char* s = (unsigned char*)src;
 138
 139    for( i = 0; i < count;i++)
 140        d[i] = s[i];
 141
 142    return dest;
 143}
 144
 145/* Write to NVRAM */
 146void
 147nvram_write(long dest, const void *src, size_t count)
 148{
 149    int i;
 150    volatile unsigned char* d = (unsigned char*)dest;
 151    volatile unsigned char* s = (unsigned char*)src;
 152
 153    SYS_TOD_UNPROTECT();
 154
 155    for( i = 0; i < count;i++)
 156        d[i] = s[i];
 157
 158    SYS_TOD_PROTECT();
 159}
 160