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/*
* Copyright (C) 2016
* Ladislav Michl <ladis@linux-mips.org>
*
* SPDX-License-Identifier: GPL 2.0+ BSD-3-Clause
*/
#include <common.h>
#include <config.h>
#include <nand.h>
#include <onenand_uboot.h>
#include <ubispl.h>
#include <spl.h>
int spl_ubi_load_image(struct spl_image_info *spl_image,
struct spl_boot_device *bootdev)
{
struct image_header *header;
struct ubispl_info info;
struct ubispl_load volumes[2];
int ret = 1;
switch (bootdev->boot_device) {
#ifdef CONFIG_SPL_NAND_SUPPORT
case BOOT_DEVICE_NAND:
nand_init();
info.read = nand_spl_read_block;
info.peb_size = CONFIG_SYS_NAND_BLOCK_SIZE;
break;
#endif
#ifdef CONFIG_SPL_ONENAND_SUPPORT
case BOOT_DEVICE_ONENAND:
info.read = onenand_spl_read_block;
info.peb_size = CONFIG_SYS_ONENAND_BLOCK_SIZE;
break;
#endif
default:
goto out;
}
info.ubi = (struct ubi_scan_info *)CONFIG_SPL_UBI_INFO_ADDR;
info.fastmap = IS_ENABLED(CONFIG_MTD_UBI_FASTMAP);
info.peb_offset = CONFIG_SPL_UBI_PEB_OFFSET;
info.vid_offset = CONFIG_SPL_UBI_VID_OFFSET;
info.leb_start = CONFIG_SPL_UBI_LEB_START;
info.peb_count = CONFIG_SPL_UBI_MAX_PEBS - info.peb_offset;
#ifdef CONFIG_SPL_OS_BOOT
if (!spl_start_uboot()) {
volumes[0].vol_id = CONFIG_SPL_UBI_LOAD_KERNEL_ID;
volumes[0].load_addr = (void *)CONFIG_SYS_LOAD_ADDR;
volumes[1].vol_id = CONFIG_SPL_UBI_LOAD_ARGS_ID;
volumes[1].load_addr = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
ret = ubispl_load_volumes(&info, volumes, 2);
if (!ret) {
header = (struct image_header *)volumes[0].load_addr;
spl_parse_image_header(spl_image, header);
puts("Linux loaded.\n");
goto out;
}
puts("Loading Linux failed, falling back to U-Boot.\n");
}
#endif
header = (struct image_header *)
(CONFIG_SYS_TEXT_BASE - sizeof(struct image_header));
volumes[0].vol_id = CONFIG_SPL_UBI_LOAD_MONITOR_ID;
volumes[0].load_addr = (void *)header;
ret = ubispl_load_volumes(&info, volumes, 1);
if (!ret)
spl_parse_image_header(spl_image, header);
out:
#ifdef CONFIG_SPL_NAND_SUPPORT
if (bootdev->boot_device == BOOT_DEVICE_NAND)
nand_deselect();
#endif
return ret;
}
/* Use priorty 0 so that Ubi will override NAND and ONENAND methods */
SPL_LOAD_IMAGE_METHOD("NAND", 0, BOOT_DEVICE_NAND, spl_ubi_load_image);
SPL_LOAD_IMAGE_METHOD("OneNAND", 0, BOOT_DEVICE_ONENAND, spl_ubi_load_image);
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