uboot-vybrid_public/board/xes/common/fsl_8xxx_ddr.c

/*
 * Copyright 2008 Extreme Engineering Solutions, Inc.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * 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
 */

#include <common.h>
#include <asm/fsl_ddr_sdram.h>
#include <asm/mmu.h>

#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
extern void ddr_enable_ecc(unsigned int dram_size);
#endif

phys_size_t initdram(int board_type)
{
	phys_size_t dram_size = fsl_ddr_sdram();

#ifdef CONFIG_MPC85xx
	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
	dram_size *= 0x100000;
#endif

#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
	/* Initialize and enable DDR ECC */
	ddr_enable_ecc(dram_size);
#endif

	return dram_size;
}