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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2025 Alexey Charkov <[email protected]>
*/
#include <spl.h>
#include <spl_load.h>
#include <scsi.h>
#include <errno.h>
#include <image.h>
#include <linux/compiler.h>
#include <log.h>
static ulong spl_ufs_load_read(struct spl_load_info *load, ulong off, ulong size, void *buf)
{
struct blk_desc *bd = load->priv;
lbaint_t sector = off >> bd->log2blksz;
lbaint_t count = size >> bd->log2blksz;
return blk_dread(bd, sector, count, buf) << bd->log2blksz;
}
static int spl_ufs_load_image(struct spl_image_info *spl_image,
struct spl_boot_device *bootdev)
{
unsigned long sector = CONFIG_SPL_UFS_RAW_U_BOOT_SECTOR;
int devnum = CONFIG_SPL_UFS_RAW_U_BOOT_DEVNUM;
struct spl_load_info load;
struct blk_desc *bd;
int err;
/* try to recognize storage devices immediately */
scsi_scan(false);
bd = blk_get_devnum_by_uclass_id(UCLASS_SCSI, devnum);
if (!bd)
return -ENODEV;
spl_load_init(&load, spl_ufs_load_read, bd, bd->blksz);
err = spl_load(spl_image, bootdev, &load, 0, sector << bd->log2blksz);
if (err) {
puts("spl_ufs_load_image: ufs block read error\n");
log_debug("(error=%d)\n", err);
return err;
}
return 0;
}
SPL_LOAD_IMAGE_METHOD("UFS", 0, BOOT_DEVICE_UFS, spl_ufs_load_image);
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