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// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
/*
* Copyright (C) 2016
* Ladislav Michl <ladis@linux-mips.org>
*/
#include <config.h>
#include <image.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 legacy_img_hdr *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 = CFG_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;
#if CONFIG_IS_ENABLED(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_SPL_PAYLOAD_ARGS_ADDR;
ret = ubispl_load_volumes(&info, volumes, 2);
if (!ret) {
header = (struct legacy_img_hdr *)volumes[0].load_addr;
spl_parse_image_header(spl_image, bootdev, header);
puts("Linux loaded.\n");
goto out;
}
puts("Loading Linux failed, falling back to U-Boot.\n");
}
#endif
header = spl_get_load_buffer(-sizeof(*header), sizeof(header));
#ifdef CONFIG_SPL_UBI_LOAD_BY_VOLNAME
volumes[0].vol_id = -1;
strncpy(volumes[0].name,
CONFIG_SPL_UBI_LOAD_MONITOR_VOLNAME,
UBI_VOL_NAME_MAX + 1);
#else
volumes[0].vol_id = CONFIG_SPL_UBI_LOAD_MONITOR_ID;
#endif
volumes[0].load_addr = (void *)header;
ret = ubispl_load_volumes(&info, volumes, 1);
if (!ret)
spl_parse_image_header(spl_image, bootdev, 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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