LXR uboot/arch/m68k/cpu/mcf5445x/cpu.c

   1/*
   2 *
   3 * (C) Copyright 2000-2003
   4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5 *
   6 * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
   7 * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
   8 *
   9 * See file CREDITS for list of people who contributed to this
  10 * project.
  11 *
  12 * This program is free software; you can redistribute it and/or
  13 * modify it under the terms of the GNU General Public License as
  14 * published by the Free Software Foundation; either version 2 of
  15 * the License, or (at your option) any later version.
  16 *
  17 * This program is distributed in the hope that it will be useful,
  18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 * GNU General Public License for more details.
  21 *
  22 * You should have received a copy of the GNU General Public License
  23 * along with this program; if not, write to the Free Software
  24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  25 * MA 02111-1307 USA
  26 */
  27
  28#include <common.h>
  29#include <watchdog.h>
  30#include <command.h>
  31#include <netdev.h>
  32
  33#include <asm/immap.h>
  34
  35DECLARE_GLOBAL_DATA_PTR;
  36
  37int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  38{
  39        volatile rcm_t *rcm = (rcm_t *) (MMAP_RCM);
  40        udelay(1000);
  41        rcm->rcr |= RCM_RCR_SOFTRST;
  42
  43        /* we don't return! */
  44        return 0;
  45};
  46
  47int checkcpu(void)
  48{
  49        volatile ccm_t *ccm = (ccm_t *) MMAP_CCM;
  50        u16 msk;
  51        u16 id = 0;
  52        u8 ver;
  53
  54        puts("CPU:   ");
  55        msk = (ccm->cir >> 6);
  56        ver = (ccm->cir & 0x003f);
  57        switch (msk) {
  58        case 0x48:
  59                id = 54455;
  60                break;
  61        case 0x49:
  62                id = 54454;
  63                break;
  64        case 0x4a:
  65                id = 54453;
  66                break;
  67        case 0x4b:
  68                id = 54452;
  69                break;
  70        case 0x4d:
  71                id = 54451;
  72                break;
  73        case 0x4f:
  74                id = 54450;
  75                break;
  76        }
  77
  78        if (id) {
  79                char buf1[32], buf2[32], buf3[32];
  80
  81                printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
  82                       ver);
  83                printf("       CPU CLK %s MHz BUS CLK %s MHz FLB CLK %s MHz\n",
  84                       strmhz(buf1, gd->cpu_clk),
  85                       strmhz(buf2, gd->bus_clk),
  86                       strmhz(buf3, gd->flb_clk));
  87#ifdef CONFIG_PCI
  88                printf("       PCI CLK %s MHz INP CLK %s MHz VCO CLK %s MHz\n",
  89                       strmhz(buf1, gd->pci_clk),
  90                       strmhz(buf2, gd->inp_clk),
  91                       strmhz(buf3, gd->vco_clk));
  92#else
  93                printf("       INP CLK %s MHz VCO CLK %s MHz\n",
  94                       strmhz(buf1, gd->inp_clk),
  95                       strmhz(buf2, gd->vco_clk));
  96#endif
  97        }
  98
  99        return 0;
 100}
 101
 102#if defined(CONFIG_MCFFEC)
 103/* Default initializations for MCFFEC controllers.  To override,
 104 * create a board-specific function called:
 105 *      int board_eth_init(bd_t *bis)
 106 */
 107
 108int cpu_eth_init(bd_t *bis)
 109{
 110        return mcffec_initialize(bis);
 111}
 112#endif
 113