73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/*
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* boot-common.c
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*
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* Common bootmode functions for omap based boards
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*
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* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <common.h>
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#include <spl.h>
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#include <asm/omap_common.h>
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#include <asm/arch/omap.h>
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#include <asm/arch/mmc_host_def.h>
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/*
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* This is used to verify if the configuration header
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* was executed by rom code prior to control of transfer
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* to the bootloader. SPL is responsible for saving and
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* passing the boot_params pointer to the u-boot.
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*/
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struct omap_boot_parameters boot_params __attribute__ ((section(".data")));
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#ifdef CONFIG_SPL_BUILD
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/*
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* We use static variables because global data is not ready yet.
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* Initialized data is available in SPL right from the beginning.
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* We would not typically need to save these parameters in regular
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* U-Boot. This is needed only in SPL at the moment.
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*/
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u32 omap_bootmode = MMCSD_MODE_FAT;
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u32 spl_boot_device(void)
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{
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return (u32) (boot_params.omap_bootdevice);
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}
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u32 spl_boot_mode(void)
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{
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return omap_bootmode;
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}
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void spl_board_init(void)
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{
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#ifdef CONFIG_SPL_NAND_SUPPORT
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gpmc_init();
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#endif
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}
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int board_mmc_init(bd_t *bis)
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{
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switch (spl_boot_device()) {
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case BOOT_DEVICE_MMC1:
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omap_mmc_init(0, 0, 0);
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break;
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case BOOT_DEVICE_MMC2:
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case BOOT_DEVICE_MMC2_2:
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omap_mmc_init(1, 0, 0);
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break;
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}
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return 0;
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}
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#endif
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