arch/arm/cpu/armv7/omap-common/boot-common.c

/*
 * 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 <spl.h>
#include <asm/omap_common.h>
#include <asm/arch/omap.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/sys_proto.h>

DECLARE_GLOBAL_DATA_PTR;

#ifdef CONFIG_SPL_BUILD
u32 spl_boot_device(void)
{
	return (u32) (gd->arch.omap_boot_params.omap_bootdevice);
}

u32 spl_boot_mode(void)
{
	return gd->arch.omap_boot_params.omap_bootmode;
}

void spl_board_init(void)
{
#ifdef CONFIG_SPL_NAND_SUPPORT
	gpmc_init();
#endif
#if defined(CONFIG_AM33XX) && defined(CONFIG_SPL_MUSB_NEW_SUPPORT)
	arch_misc_init();
#endif
}

int board_mmc_init(bd_t *bis)
{
	switch (spl_boot_device()) {
	case BOOT_DEVICE_MMC1:
		omap_mmc_init(0, 0, 0, -1, -1);
		break;
	case BOOT_DEVICE_MMC2:
	case BOOT_DEVICE_MMC2_2:
		omap_mmc_init(1, 0, 0, -1, -1);
		break;
	}
	return 0;
}

void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
{
	typedef void __noreturn (*image_entry_noargs_t)(u32 *);
	image_entry_noargs_t image_entry =
			(image_entry_noargs_t) spl_image->entry_point;

	debug("image entry point: 0x%X\n", spl_image->entry_point);
	/* Pass the saved boot_params from rom code */
	image_entry((u32 *)&gd->arch.omap_boot_params);
}
#endif