uboot-vybrid_public/drivers/mmc/spear_sdhci.c

/*
 * (C) Copyright 2012
 * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.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 <common.h>
#include <malloc.h>
#include <sdhci.h>

int spear_sdhci_init(u32 regbase, u32 max_clk, u32 min_clk, u32 quirks)
{
	struct sdhci_host *host = NULL;
	host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host));
	if (!host) {
		printf("sdhci host malloc fail!\n");
		return 1;
	}

	host->name = "sdhci";
	host->ioaddr = (void *)regbase;
	host->quirks = quirks;

	if (quirks & SDHCI_QUIRK_REG32_RW)
		host->version = sdhci_readl(host, SDHCI_HOST_VERSION - 2) >> 16;
	else
		host->version = sdhci_readw(host, SDHCI_HOST_VERSION);

	add_sdhci(host, max_clk, min_clk);
	return 0;
}