static int mmc_load_image_ext_os(struct mmc *mmc)
{
int err;
struct image_header *header;
err = file_fat_read(spl_image.args,
(void *)spl_image.args_addr, 0);
if (err <= 0) {
printf("spl: error reading image %s, err - %d\n",
spl_image.args, err);
goto end;
}
header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
sizeof(struct image_header));
err = file_fat_read(spl_image.args, header, sizeof(struct image_header));
if (err <= 0)
goto end;
spl_parse_image_header(header);
return mmc_load_image_ext(mmc, spl_image.os_image);
end:
return err;
}
static int mmc_load_image_ext_os(struct mmc *mmc)
{
int err;
err = file_fat_read(CONFIG_SPL_FAT_LOAD_ARGS_NAME,
(void *)CONFIG_SYS_SPL_ARGS_ADDR, 0);
if (err <= 0) {
printf("spl: error reading image %s, err - %d\n",
CONFIG_SPL_FAT_LOAD_ARGS_NAME, err);
return -1;
}
return mmc_load_image_ext(mmc, CONFIG_SPL_FAT_LOAD_KERNEL_NAME);
}
void spl_mmc_load_image(void)
{
struct mmc *mmc;
int err;
u32 boot_mode;
mmc_initialize(gd->bd);
/* We register only one device. So, the dev id is always 0 */
mmc = find_mmc_device(0);
if (!mmc) {
puts("spl: mmc device not found!!\n");
hang();
}
err = mmc_init(mmc);
if (err) {
printf("spl: mmc init failed: err - %d\n", err);
hang();
}
#ifdef CONFIG_SPL_FAT_SUPPORT
/* FAT filesystem */
err = fat_register_device(&mmc->block_dev,
CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION);
/*if (err) {
printf("spl: fat register err - %d\n", err);
}*/
#ifdef CONFIG_SPL_OS_BOOT
if (spl_start_uboot() || mmc_load_image_fat_os(mmc))
#endif
err = mmc_load_image_fat(mmc, CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME);
#endif
#ifdef CONFIG_SPL_EXT_SUPPORT
/* EXT filesystem */
if (err) {
printf("Load image from EXT...\n");
disk_partition_t info;
if (get_partition_info(&mmc->block_dev, CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION, &info)) {
printf("Cannot find partition %d\n", CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION);
}
if (ext4fs_probe(&mmc->block_dev, &info)) {
printf("ext4fs probe failed \n");
}
#ifdef CONFIG_SPL_OS_BOOT
if (spl_start_uboot() || mmc_load_image_ext_os(mmc))
#endif
err = mmc_load_image_ext(mmc, CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME);
}
#endif
if (err) {
printf("Load image from RAW...\n");
#ifdef CONFIG_SPL_OS_BOOT
if (spl_start_uboot() || mmc_load_image_raw_os(mmc))
#endif
err = mmc_load_image_raw(mmc, CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
if (err) {
printf("spl: wrong MMC boot mode\n");
hang();
}
}
}
