mirror of
https://github.com/AsahiLinux/u-boot
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6029a0e1af
This converts the blk load method (used exclusively by NVMe) to use spl_load. As a consequence, it also adds support for LOAD_FIT_FULL and IMX images. Signed-off-by: Sean Anderson <seanga2@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2023
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* Ventana Micro Systems Inc.
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*
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*/
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#include <common.h>
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#include <spl.h>
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#include <spl_load.h>
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#include <image.h>
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#include <fs.h>
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#include <asm/cache.h>
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#include <asm/io.h>
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struct blk_dev {
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const char *ifname;
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const char *filename;
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char dev_part_str[8];
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};
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static ulong spl_fit_read(struct spl_load_info *load, ulong file_offset,
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ulong size, void *buf)
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{
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loff_t actlen;
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int ret;
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struct blk_dev *dev = (struct blk_dev *)load->priv;
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ret = fs_set_blk_dev(dev->ifname, dev->dev_part_str, FS_TYPE_ANY);
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if (ret) {
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printf("spl: unable to set blk_dev %s %s. Err - %d\n",
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dev->ifname, dev->dev_part_str, ret);
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return ret;
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}
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ret = fs_read(dev->filename, virt_to_phys(buf), file_offset, size,
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&actlen);
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if (ret < 0) {
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printf("spl: error reading image %s. Err - %d\n",
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dev->filename, ret);
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return ret;
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}
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return actlen;
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}
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int spl_blk_load_image(struct spl_image_info *spl_image,
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struct spl_boot_device *bootdev,
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enum uclass_id uclass_id, int devnum, int partnum)
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{
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const char *filename = CONFIG_SPL_FS_LOAD_PAYLOAD_NAME;
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struct blk_desc *blk_desc;
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loff_t filesize;
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struct blk_dev dev;
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struct spl_load_info load;
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int ret;
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blk_desc = blk_get_devnum_by_uclass_id(uclass_id, devnum);
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if (!blk_desc) {
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printf("blk desc for %d %d not found\n", uclass_id, devnum);
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return -ENODEV;
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}
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blk_show_device(uclass_id, devnum);
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dev.filename = filename;
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dev.ifname = blk_get_uclass_name(uclass_id);
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snprintf(dev.dev_part_str, sizeof(dev.dev_part_str) - 1, "%x:%x",
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devnum, partnum);
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ret = fs_set_blk_dev(dev.ifname, dev.dev_part_str, FS_TYPE_ANY);
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if (ret) {
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printf("spl: unable to set blk_dev %s %s. Err - %d\n",
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dev.ifname, dev.dev_part_str, ret);
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return ret;
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}
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ret = fs_size(filename, &filesize);
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if (ret) {
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printf("spl: unable to get file size: %s. Err - %d\n",
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filename, ret);
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return ret;
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}
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load.read = spl_fit_read;
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spl_set_bl_len(&load, ARCH_DMA_MINALIGN);
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load.priv = &dev;
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return spl_load(spl_image, bootdev, &load, filesize, 0);
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}
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