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592f922261
Add EXT filesystem support to SPL. Signed-off-by: Guillaume GARDET <guillaume.gardet@free.fr> [trini: Fix a warning and checkpatch problems] Signed-off-by: Tom Rini <trini@ti.com>
140 lines
3.1 KiB
C
140 lines
3.1 KiB
C
/*
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* SPDX-License-Identifier: GPL-2.0+
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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 <ext4fs.h>
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#include <image.h>
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#ifdef CONFIG_SPL_EXT_SUPPORT
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int spl_load_image_ext(block_dev_desc_t *block_dev,
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int partition,
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const char *filename)
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{
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s32 err;
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struct image_header *header;
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int filelen;
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disk_partition_t part_info = {};
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header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
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sizeof(struct image_header));
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if (get_partition_info(block_dev,
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partition, &part_info)) {
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printf("spl: no partition table found\n");
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return -1;
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}
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ext4fs_set_blk_dev(block_dev, &part_info);
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err = ext4fs_mount(0);
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if (!err) {
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#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
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printf("%s: ext4fs mount err - %d\n", __func__, err);
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#endif
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goto end;
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}
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filelen = err = ext4fs_open(filename);
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if (err < 0) {
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puts("spl: ext4fs_open failed\n");
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goto end;
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}
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err = ext4fs_read((char *)header, sizeof(struct image_header));
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if (err <= 0) {
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puts("spl: ext4fs_read failed\n");
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goto end;
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}
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spl_parse_image_header(header);
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err = ext4fs_read((char *)spl_image.load_addr, filelen);
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end:
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#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
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if (err <= 0)
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printf("%s: error reading image %s, err - %d\n",
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__func__, filename, err);
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#endif
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return err <= 0;
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}
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#ifdef CONFIG_SPL_OS_BOOT
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int spl_load_image_ext_os(block_dev_desc_t *block_dev, int partition)
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{
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int err;
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int filelen;
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disk_partition_t part_info = {};
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__maybe_unused char *file;
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if (get_partition_info(block_dev,
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partition, &part_info)) {
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printf("spl: no partition table found\n");
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return -1;
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}
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ext4fs_set_blk_dev(block_dev, &part_info);
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err = ext4fs_mount(0);
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if (!err) {
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#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
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printf("%s: ext4fs mount err - %d\n", __func__, err);
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#endif
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return -1;
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}
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#if defined(CONFIG_SPL_ENV_SUPPORT) && defined(CONFIG_SPL_OS_BOOT)
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file = getenv("falcon_args_file");
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if (file) {
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filelen = err = ext4fs_open(file);
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if (err < 0) {
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puts("spl: ext4fs_open failed\n");
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goto defaults;
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}
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err = ext4fs_read((void *)CONFIG_SYS_SPL_ARGS_ADDR, filelen);
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if (err <= 0) {
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printf("spl: error reading image %s, err - %d, falling back to default\n",
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file, err);
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goto defaults;
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}
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file = getenv("falcon_image_file");
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if (file) {
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err = spl_load_image_ext(block_dev, partition, file);
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if (err != 0) {
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puts("spl: falling back to default\n");
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goto defaults;
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}
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return 0;
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} else {
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puts("spl: falcon_image_file not set in environment, falling back to default\n");
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}
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} else {
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puts("spl: falcon_args_file not set in environment, falling back to default\n");
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}
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defaults:
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#endif
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filelen = err = ext4fs_open(CONFIG_SPL_FS_LOAD_ARGS_NAME);
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if (err < 0)
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puts("spl: ext4fs_open failed\n");
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err = ext4fs_read((void *)CONFIG_SYS_SPL_ARGS_ADDR, filelen);
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if (err <= 0) {
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#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
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printf("%s: error reading image %s, err - %d\n",
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__func__, CONFIG_SPL_FS_LOAD_ARGS_NAME, err);
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#endif
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return -1;
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}
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return spl_load_image_ext(block_dev, partition,
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CONFIG_SPL_FS_LOAD_KERNEL_NAME);
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}
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#endif
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#endif
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