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/*
* boot-common.c
*
* Common bootmode functions for omap based boards
*
* Copyright (C) 2011, 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.
*/
#include <common.h>
#include <asm/spl.h>
#include <asm/omap_common.h>
#include <asm/arch/omap.h>
#include <asm/arch/mmc_host_def.h>
/*
* This is used to verify if the configuration header
* was executed by rom code prior to control of transfer
* to the bootloader. SPL is responsible for saving and
* passing the boot_params pointer to the u-boot.
*/
struct omap_boot_parameters boot_params __attribute__ ((section(".data")));
#ifdef CONFIG_SPL_BUILD
/*
* We use static variables because global data is not ready yet.
* Initialized data is available in SPL right from the beginning.
* We would not typically need to save these parameters in regular
* U-Boot. This is needed only in SPL at the moment.
*/
u32 omap_bootmode = MMCSD_MODE_FAT;
u32 spl_boot_device(void)
{
return (u32) (boot_params.omap_bootdevice);
}
u32 spl_boot_mode(void)
{
return omap_bootmode;
}
int board_mmc_init(bd_t *bis)
{
switch (spl_boot_device()) {
case BOOT_DEVICE_MMC1:
omap_mmc_init(0, 0, 0);
break;
case BOOT_DEVICE_MMC2:
case BOOT_DEVICE_MMC2_2:
omap_mmc_init(1, 0, 0);
break;
}
return 0;
}
#endif
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