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