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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2013
* Texas Instruments, <www.ti.com>
*
* Dan Murphy <dmurphy@ti.com>
*
* Derived work from spl_usb.c
*/
#include <common.h>
#include <spl.h>
#include <asm/u-boot.h>
#include <sata.h>
#include <scsi.h>
#include <errno.h>
#include <fat.h>
#include <image.h>
#ifndef CONFIG_SYS_SATA_FAT_BOOT_PARTITION
#define CONFIG_SYS_SATA_FAT_BOOT_PARTITION 1
#endif
#ifndef CONFIG_SPL_SATA_RAW_U_BOOT_SECTOR
/* Dummy value to make the compiler happy */
#define CONFIG_SPL_SATA_RAW_U_BOOT_SECTOR 0x100
#endif
static int spl_sata_load_image_raw(struct spl_image_info *spl_image,
struct spl_boot_device *bootdev,
struct blk_desc *stor_dev, unsigned long sector)
{
struct image_header *header;
unsigned long count;
u32 image_size_sectors;
u32 image_offset_sectors;
u32 image_offset;
int ret;
header = spl_get_load_buffer(-sizeof(*header), stor_dev->blksz);
count = blk_dread(stor_dev, sector, 1, header);
if (count == 0)
return -EIO;
ret = spl_parse_image_header(spl_image, bootdev, header);
if (ret)
return ret;
image_size_sectors = DIV_ROUND_UP(spl_image->size, stor_dev->blksz);
image_offset_sectors = spl_image->offset / stor_dev->blksz;
image_offset = spl_image->offset % stor_dev->blksz;
count = blk_dread(stor_dev, sector + image_offset_sectors,
image_size_sectors,
(void *)spl_image->load_addr);
if (count != image_size_sectors)
return -EIO;
if (image_offset)
memmove((void *)spl_image->load_addr,
(void *)spl_image->load_addr + image_offset,
spl_image->size);
return 0;
}
static int spl_sata_load_image(struct spl_image_info *spl_image,
struct spl_boot_device *bootdev)
{
int err = 0;
struct blk_desc *stor_dev;
/* try to recognize storage devices immediately */
scsi_scan(false);
stor_dev = blk_get_devnum_by_uclass_id(UCLASS_SCSI, 0);
if (!stor_dev)
return -ENODEV;
#if CONFIG_IS_ENABLED(OS_BOOT)
if (spl_start_uboot() ||
spl_load_image_fat_os(spl_image, bootdev, stor_dev,
CONFIG_SYS_SATA_FAT_BOOT_PARTITION))
#endif
{
err = -ENOSYS;
if (IS_ENABLED(CONFIG_SPL_FS_FAT)) {
err = spl_load_image_fat(spl_image, bootdev, stor_dev,
CONFIG_SYS_SATA_FAT_BOOT_PARTITION,
CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
} else if (IS_ENABLED(CONFIG_SPL_SATA_RAW_U_BOOT_USE_SECTOR)) {
err = spl_sata_load_image_raw(spl_image, bootdev, stor_dev,
CONFIG_SPL_SATA_RAW_U_BOOT_SECTOR);
}
}
if (err) {
puts("Error loading sata device\n");
return err;
}
return 0;
}
SPL_LOAD_IMAGE_METHOD("SATA", 0, BOOT_DEVICE_SATA, spl_sata_load_image);
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