| /* |
| * (C) Copyright 2014 |
| * Texas Instruments, <www.ti.com> |
| * |
| * Dan Murphy <dmurphy@ti.com> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| * |
| * FAT Image Functions copied from spl_mmc.c |
| */ |
| |
| #include <common.h> |
| #include <spl.h> |
| #include <asm/u-boot.h> |
| #include <fat.h> |
| #include <image.h> |
| |
| static int fat_registered; |
| |
| #ifdef CONFIG_SPL_FAT_SUPPORT |
| static int spl_register_fat_device(block_dev_desc_t *block_dev, int partition) |
| { |
| int err = 0; |
| |
| if (fat_registered) |
| return err; |
| |
| err = fat_register_device(block_dev, partition); |
| if (err) { |
| #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT |
| printf("%s: fat register err - %d\n", __func__, err); |
| #endif |
| hang(); |
| } |
| |
| fat_registered = 1; |
| |
| return err; |
| } |
| |
| int spl_load_image_fat(block_dev_desc_t *block_dev, |
| int partition, |
| const char *filename) |
| { |
| int err; |
| struct image_header *header; |
| |
| err = spl_register_fat_device(block_dev, partition); |
| if (err) |
| goto end; |
| |
| header = (struct image_header *)(CONFIG_SYS_TEXT_BASE - |
| sizeof(struct image_header)); |
| |
| err = file_fat_read(filename, header, sizeof(struct image_header)); |
| if (err <= 0) |
| goto end; |
| |
| spl_parse_image_header(header); |
| |
| err = file_fat_read(filename, (u8 *)spl_image.load_addr, 0); |
| |
| end: |
| #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT |
| if (err <= 0) |
| printf("%s: error reading image %s, err - %d\n", |
| __func__, filename, err); |
| #endif |
| |
| return (err <= 0); |
| } |
| |
| #ifdef CONFIG_SPL_OS_BOOT |
| int spl_load_image_fat_os(block_dev_desc_t *block_dev, int partition) |
| { |
| int err; |
| |
| err = spl_register_fat_device(block_dev, partition); |
| if (err) |
| return err; |
| |
| err = file_fat_read(CONFIG_SPL_FAT_LOAD_ARGS_NAME, |
| (void *)CONFIG_SYS_SPL_ARGS_ADDR, 0); |
| if (err <= 0) { |
| #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT |
| printf("%s: error reading image %s, err - %d\n", |
| __func__, CONFIG_SPL_FAT_LOAD_ARGS_NAME, err); |
| #endif |
| return -1; |
| } |
| |
| return spl_load_image_fat(block_dev, partition, |
| CONFIG_SPL_FAT_LOAD_KERNEL_NAME); |
| } |
| #endif |
| #endif |
