125 lines
3.5 KiB
C
125 lines
3.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
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/*
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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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#include <common.h>
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#include <config.h>
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#include <image.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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static ulong ram_spl_load_read(struct spl_load_info *load, ulong sector,
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ulong count, void *buf)
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{
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char* ubi_contents = load->priv;
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memcpy(buf, ubi_contents + sector, count);
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return count;
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}
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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 legacy_img_hdr *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_SPINAND_SUPPORT
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case BOOT_DEVICE_SPINAND:
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spinand_init();
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info.read = spinand_spl_read_block;
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info.peb_size = CONFIG_SPL_SPINAND_BLOCK_SIZE;
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break;
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#endif
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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 = CFG_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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#if CONFIG_IS_ENABLED(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_SPL_PAYLOAD_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 legacy_img_hdr *)volumes[0].load_addr;
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spl_parse_image_header(spl_image, bootdev, 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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/* Ensure there's enough room for the full UBI volume! */
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header = (void*)CONFIG_SYS_LOAD_ADDR;
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#ifdef CONFIG_SPL_UBI_LOAD_BY_VOLNAME
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volumes[0].vol_id = -1;
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strncpy(volumes[0].name,
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CONFIG_SPL_UBI_LOAD_MONITOR_VOLNAME,
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UBI_VOL_NAME_MAX + 1);
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#else
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volumes[0].vol_id = CONFIG_SPL_UBI_LOAD_MONITOR_ID;
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#endif
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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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goto out;
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spl_parse_image_header(spl_image, bootdev, header);
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if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
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image_get_magic(header) == FDT_MAGIC) {
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struct spl_load_info load;
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printf("Found FIT\n");
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load.dev = NULL;
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load.priv = (char*)header;
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load.filename = NULL;
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load.bl_len = 1;
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load.read = ram_spl_load_read;
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ret = spl_load_simple_fit(spl_image, &load, 0, header);
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}
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out:
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#ifdef CONFIG_SPL_SPI_NAND_SUPPORT
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if (bootdev->boot_device == BOOT_DEVICE_SPINAND)
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spinand_deselect();
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#endif
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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 priority 0 so that UBI will override all NAND 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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SPL_LOAD_IMAGE_METHOD("SPINAND", 0, BOOT_DEVICE_SPINAND, spl_ubi_load_image);
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