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60ca969a7a
Support load of the U-Boot image from raw SATA disk sector. This is equivalent to load from MMC raw sector. Signed-off-by: Baruch Siach <baruch@tkos.co.il>
106 lines
2.5 KiB
C
106 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2013
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* Texas Instruments, <www.ti.com>
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*
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* Dan Murphy <dmurphy@ti.com>
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*
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* Derived work from spl_usb.c
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*/
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#include <common.h>
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#include <spl.h>
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#include <asm/u-boot.h>
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#include <sata.h>
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#include <scsi.h>
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#include <errno.h>
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#include <fat.h>
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#include <image.h>
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#ifndef CONFIG_SYS_SATA_FAT_BOOT_PARTITION
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#define CONFIG_SYS_SATA_FAT_BOOT_PARTITION 1
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#endif
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#ifndef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
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#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
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#endif
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#ifndef CONFIG_SPL_SATA_RAW_U_BOOT_SECTOR
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/* Dummy value to make the compiler happy */
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#define CONFIG_SPL_SATA_RAW_U_BOOT_SECTOR 0x100
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#endif
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static int spl_sata_load_image_raw(struct spl_image_info *spl_image,
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struct blk_desc *stor_dev, unsigned long sector)
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{
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struct image_header *header;
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unsigned long count;
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u32 image_size_sectors;
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int ret;
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header = spl_get_load_buffer(-sizeof(*header), stor_dev->blksz);
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count = blk_dread(stor_dev, sector, 1, header);
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if (count == 0)
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return -EIO;
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ret = spl_parse_image_header(spl_image, header);
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if (ret)
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return ret;
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image_size_sectors = DIV_ROUND_UP(spl_image->size, stor_dev->blksz);
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count = blk_dread(stor_dev, sector, image_size_sectors,
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(void *)spl_image->load_addr);
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if (count != image_size_sectors)
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return -EIO;
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return 0;
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}
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static int spl_sata_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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int err = 0;
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struct blk_desc *stor_dev;
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#if !defined(CONFIG_DM_SCSI) && !defined(CONFIG_AHCI)
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err = init_sata(CONFIG_SPL_SATA_BOOT_DEVICE);
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#endif
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if (err) {
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#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
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printf("spl: sata init failed: err - %d\n", err);
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#endif
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return err;
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} else {
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/* try to recognize storage devices immediately */
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scsi_scan(false);
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stor_dev = blk_get_devnum_by_type(IF_TYPE_SCSI, 0);
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if (!stor_dev)
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return -ENODEV;
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}
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#ifdef CONFIG_SPL_OS_BOOT
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if (spl_start_uboot() ||
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spl_load_image_fat_os(spl_image, stor_dev,
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CONFIG_SYS_SATA_FAT_BOOT_PARTITION))
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#endif
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{
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err = -ENOSYS;
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if (IS_ENABLED(CONFIG_SPL_FS_FAT)) {
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err = spl_load_image_fat(spl_image, stor_dev,
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CONFIG_SYS_SATA_FAT_BOOT_PARTITION,
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CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
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} else if (IS_ENABLED(CONFIG_SPL_SATA_RAW_U_BOOT_USE_SECTOR)) {
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err = spl_sata_load_image_raw(spl_image, stor_dev,
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CONFIG_SPL_SATA_RAW_U_BOOT_SECTOR);
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}
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}
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if (err) {
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puts("Error loading sata device\n");
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return err;
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}
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return 0;
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}
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SPL_LOAD_IMAGE_METHOD("SATA", 0, BOOT_DEVICE_SATA, spl_sata_load_image);
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