uboot-vybrid_public/arch/arm/cpu/armv7/omap4/mem.c

/*
 * (C) Copyright 2010
 * Texas Instruments, <www.ti.com>
 *
 * Steve Sakoman <steve@sakoman.com>
 *
 * 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 <asm/arch/cpu.h>
#include <asm/arch/sys_proto.h>

struct gpmc *gpmc_cfg;

/*****************************************************
 * gpmc_init(): init gpmc bus
 * This code can only be executed from SRAM or SDRAM.
 *****************************************************/
void gpmc_init(void)
{
	gpmc_cfg = (struct gpmc *)GPMC_BASE;

	/* global settings */
	writel(0, &gpmc_cfg->irqenable); /* isr's sources masked */
	writel(0, &gpmc_cfg->timeout_control);/* timeout disable */

	/*
	 * Disable the GPMC0 config set by ROM code
	 * It conflicts with our MPDB (both at 0x08000000)
	 */
	writel(0, &gpmc_cfg->cs[0].config7);
}