wepep250.c

U BOOT源码

/*
 * Copyright (C) 2003 ETC s.r.o.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 *
 * Written by Peter Figuli <[e-mail]>, 2003.
 *
 */

#include <common.h>
#include <asm/arch/pxa-regs.h>

int board_init( void ){
  DECLARE_GLOBAL_DATA_PTR;

  gd->bd->bi_arch_number = 288;
  gd->bd->bi_boot_params = 0xa0000000;
/*
 * Setup GPIO stuff to get serial working
 */
#if defined( CONFIG_FFUART )
  GPDR1   = 0x80;
  GAFR1_L = 0x8010;
#elif defined( CONFIG_BTUART )
  GPDR1   = 0x800;
  GAFR1_L = 0x900000;
#endif
  PSSR    = 0x20;

/*
 * Following code is just bug workaround, remove it if not neccessary
 */

  /* cpu/xscale/cpu.c do not set armboot_real_end that is used for
     malloc pool.*/
  if( _armboot_real_end == 0xbadc0de ){
    _armboot_real_end = _armboot_end;
  }
  return 0;
}

int dram_init( void ){
  DECLARE_GLOBAL_DATA_PTR;

#if ( CONFIG_NR_DRAM_BANKS > 0 )
  gd->bd->bi_dram[0].start = WEP_SDRAM_1;
  gd->bd->bi_dram[0].size  = WEP_SDRAM_1_SIZE;
#endif
#if ( CONFIG_NR_DRAM_BANKS > 1 )
  gd->bd->bi_dram[1].start = WEP_SDRAM_2;
  gd->bd->bi_dram[1].size  = WEP_SDRAM_2_SIZE;
#endif
#if ( CONFIG_NR_DRAM_BANKS > 2 )
  gd->bd->bi_dram[2].start = WEP_SDRAM_3;
  gd->bd->bi_dram[2].size  = WEP_SDRAM_3_SIZE;
#endif
#if ( CONFIG_NR_DRAM_BANKS > 3 )
  gd->bd->bi_dram[3].start = WEP_SDRAM_4;
  gd->bd->bi_dram[3].size  = WEP_SDRAM_4_SIZE;
#endif

  return 0;
}