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/*
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <common.h>
#include <mmc.h>
DECLARE_GLOBAL_DATA_PTR;
static void mmc_load_image(struct mmc *mmc)
{
s32 err;
void (*uboot)(void) __noreturn;
err = mmc->block_dev.block_read(0, CONFIG_SYS_MMC_U_BOOT_OFFS,
CONFIG_SYS_MMC_U_BOOT_SIZE/512,
(u32 *)CONFIG_SYS_TEXT_BASE);
if (err <= 0) {
printf("spl: error reading image %s, err - %d\n",
"u-boot.img", err);
hang();
}
uboot = (void *) CONFIG_SYS_TEXT_BASE;
(*uboot)();
}
void spl_mmc_load(void)
{
struct mmc *mmc;
int err;
void (mmc_load_image)(struct mmc *mmc) __noreturn;
mmc_initialize(gd->bd);
mmc = find_mmc_device(0);
if (!mmc) {
puts("spl: mmc device not found!!\n");
hang();
} else {
puts("spl: mmc device found\n");
}
err = mmc_init(mmc);
if (err) {
printf("spl: mmc init failed: err - %d\n", err);
hang();
}
mmc_load_image(mmc);
}
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