| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * (C) Copyright 2010 |
| * Texas Instruments, <www.ti.com> |
| * |
| * Aneesh V <aneesh@ti.com> |
| */ |
| #include <common.h> |
| #include <dm.h> |
| #include <log.h> |
| #include <part.h> |
| #include <spl.h> |
| #include <spl_load.h> |
| #include <linux/compiler.h> |
| #include <errno.h> |
| #include <asm/u-boot.h> |
| #include <errno.h> |
| #include <mmc.h> |
| #include <image.h> |
| #include <imx_container.h> |
| |
| static ulong h_spl_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 __maybe_unused unsigned long spl_mmc_raw_uboot_offset(int part) |
| { |
| #if IS_ENABLED(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR) |
| if (part == 0) |
| return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_DATA_PART_OFFSET; |
| #endif |
| |
| return 0; |
| } |
| |
| static __maybe_unused |
| int mmc_load_image_raw_sector(struct spl_image_info *spl_image, |
| struct spl_boot_device *bootdev, |
| struct mmc *mmc, unsigned long sector) |
| { |
| int ret; |
| struct blk_desc *bd = mmc_get_blk_desc(mmc); |
| struct spl_load_info load; |
| |
| load.priv = bd; |
| spl_set_bl_len(&load, bd->blksz); |
| load.read = h_spl_load_read; |
| ret = spl_load(spl_image, bootdev, &load, 0, sector << bd->log2blksz); |
| if (ret) { |
| #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT |
| puts("mmc_load_image_raw_sector: mmc block read error\n"); |
| #endif |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| static int spl_mmc_get_device_index(u32 boot_device) |
| { |
| switch (boot_device) { |
| case BOOT_DEVICE_MMC1: |
| return 0; |
| case BOOT_DEVICE_MMC2: |
| case BOOT_DEVICE_MMC2_2: |
| return 1; |
| } |
| |
| #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT |
| printf("spl: unsupported mmc boot device.\n"); |
| #endif |
| |
| return -ENODEV; |
| } |
| |
| static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device) |
| { |
| int err, mmc_dev; |
| |
| mmc_dev = spl_mmc_get_device_index(boot_device); |
| if (mmc_dev < 0) |
| return mmc_dev; |
| |
| #if CONFIG_IS_ENABLED(DM_MMC) |
| err = mmc_init_device(mmc_dev); |
| #else |
| err = mmc_initialize(NULL); |
| #endif /* DM_MMC */ |
| if (err) { |
| #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT |
| printf("spl: could not initialize mmc. error: %d\n", err); |
| #endif |
| return err; |
| } |
| *mmcp = find_mmc_device(mmc_dev); |
| err = *mmcp ? 0 : -ENODEV; |
| if (err) { |
| #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT |
| printf("spl: could not find mmc device %d. error: %d\n", |
| mmc_dev, err); |
| #endif |
| return err; |
| } |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION |
| static int mmc_load_image_raw_partition(struct spl_image_info *spl_image, |
| struct spl_boot_device *bootdev, |
| struct mmc *mmc, int partition, |
| unsigned long sector) |
| { |
| struct disk_partition info; |
| int err; |
| |
| #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE |
| int type_part; |
| /* Only support MBR so DOS_ENTRY_NUMBERS */ |
| for (type_part = 1; type_part <= DOS_ENTRY_NUMBERS; type_part++) { |
| err = part_get_info(mmc_get_blk_desc(mmc), type_part, &info); |
| if (err) |
| continue; |
| if (info.sys_ind == |
| CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE) { |
| partition = type_part; |
| break; |
| } |
| } |
| #endif |
| |
| err = part_get_info(mmc_get_blk_desc(mmc), partition, &info); |
| if (err) { |
| #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT |
| puts("spl: partition error\n"); |
| #endif |
| return -1; |
| } |
| |
| #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR |
| return mmc_load_image_raw_sector(spl_image, bootdev, mmc, info.start + sector); |
| #else |
| return mmc_load_image_raw_sector(spl_image, bootdev, mmc, info.start); |
| #endif |
| } |
| #endif |
| |
| #if CONFIG_IS_ENABLED(FALCON_BOOT_MMCSD) |
| static int mmc_load_image_raw_os(struct spl_image_info *spl_image, |
| struct spl_boot_device *bootdev, |
| struct mmc *mmc) |
| { |
| int ret; |
| |
| #if defined(CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR) |
| unsigned long count; |
| |
| count = blk_dread(mmc_get_blk_desc(mmc), |
| CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR, |
| CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS, |
| (void *)CONFIG_SPL_PAYLOAD_ARGS_ADDR); |
| if (count != CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS) { |
| #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT |
| puts("mmc_load_image_raw_os: mmc block read error\n"); |
| #endif |
| return -1; |
| } |
| #endif /* CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR */ |
| |
| ret = mmc_load_image_raw_sector(spl_image, bootdev, mmc, |
| CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR); |
| if (ret) |
| return ret; |
| |
| if (spl_image->os != IH_OS_LINUX && spl_image->os != IH_OS_TEE) { |
| puts("Expected image is not found. Trying to start U-Boot\n"); |
| return -ENOENT; |
| } |
| |
| return 0; |
| } |
| #else |
| static int mmc_load_image_raw_os(struct spl_image_info *spl_image, |
| struct spl_boot_device *bootdev, |
| struct mmc *mmc) |
| { |
| return -ENOSYS; |
| } |
| #endif |
| |
| #ifndef CONFIG_SPL_OS_BOOT |
| int spl_start_uboot(void) |
| { |
| return 1; |
| } |
| #endif |
| |
| #ifdef CONFIG_SYS_MMCSD_FS_BOOT |
| static int spl_mmc_do_fs_boot(struct spl_image_info *spl_image, |
| struct spl_boot_device *bootdev, |
| struct mmc *mmc, |
| const char *filename) |
| { |
| int err = -ENOSYS; |
| |
| __maybe_unused int partition = CONFIG_SYS_MMCSD_FS_BOOT_PARTITION; |
| |
| #if CONFIG_SYS_MMCSD_FS_BOOT_PARTITION == -1 |
| { |
| struct disk_partition info; |
| debug("Checking for the first MBR bootable partition\n"); |
| for (int type_part = 1; type_part <= DOS_ENTRY_NUMBERS; type_part++) { |
| err = part_get_info(mmc_get_blk_desc(mmc), type_part, &info); |
| if (err) |
| continue; |
| debug("Partition %d is of type %d and bootable=%d\n", type_part, info.sys_ind, info.bootable); |
| if (info.bootable != 0) { |
| debug("Partition %d is bootable, using it\n", type_part); |
| partition = type_part; |
| break; |
| } |
| } |
| printf("Using first bootable partition: %d\n", partition); |
| if (partition == CONFIG_SYS_MMCSD_FS_BOOT_PARTITION) { |
| return -ENOSYS; |
| } |
| } |
| #endif |
| |
| #ifdef CONFIG_SPL_FS_FAT |
| if (!spl_start_uboot()) { |
| err = spl_load_image_fat_os(spl_image, bootdev, mmc_get_blk_desc(mmc), |
| partition); |
| if (!err) |
| return err; |
| } |
| #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME |
| err = spl_load_image_fat(spl_image, bootdev, mmc_get_blk_desc(mmc), |
| partition, |
| filename); |
| if (!err) |
| return err; |
| #endif |
| #endif |
| #ifdef CONFIG_SPL_FS_EXT4 |
| if (!spl_start_uboot()) { |
| err = spl_load_image_ext_os(spl_image, bootdev, mmc_get_blk_desc(mmc), |
| partition); |
| if (!err) |
| return err; |
| } |
| #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME |
| err = spl_load_image_ext(spl_image, bootdev, mmc_get_blk_desc(mmc), |
| partition, |
| filename); |
| if (!err) |
| return err; |
| #endif |
| #endif |
| |
| #if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4) |
| err = -ENOENT; |
| #endif |
| |
| return err; |
| } |
| #endif |
| |
| u32 __weak spl_mmc_boot_mode(struct mmc *mmc, const u32 boot_device) |
| { |
| #if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4) |
| return MMCSD_MODE_FS; |
| #elif defined(CONFIG_SUPPORT_EMMC_BOOT) |
| return MMCSD_MODE_EMMCBOOT; |
| #else |
| return MMCSD_MODE_RAW; |
| #endif |
| } |
| |
| #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION |
| int __weak spl_mmc_boot_partition(const u32 boot_device) |
| { |
| return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION; |
| } |
| #endif |
| |
| unsigned long __weak arch_spl_mmc_get_uboot_raw_sector(struct mmc *mmc, |
| unsigned long raw_sect) |
| { |
| return raw_sect; |
| } |
| |
| unsigned long __weak board_spl_mmc_get_uboot_raw_sector(struct mmc *mmc, |
| unsigned long raw_sect) |
| { |
| return arch_spl_mmc_get_uboot_raw_sector(mmc, raw_sect); |
| } |
| |
| unsigned long __weak spl_mmc_get_uboot_raw_sector(struct mmc *mmc, |
| unsigned long raw_sect) |
| { |
| return board_spl_mmc_get_uboot_raw_sector(mmc, raw_sect); |
| } |
| |
| int default_spl_mmc_emmc_boot_partition(struct mmc *mmc) |
| { |
| int part; |
| #ifdef CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION |
| part = CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION; |
| #else |
| /* |
| * We need to check what the partition is configured to. |
| * 1 and 2 match up to boot0 / boot1 and 7 is user data |
| * which is the first physical partition (0). |
| */ |
| part = EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config); |
| if (part == 7) |
| part = 0; |
| #endif |
| return part; |
| } |
| |
| int __weak spl_mmc_emmc_boot_partition(struct mmc *mmc) |
| { |
| return default_spl_mmc_emmc_boot_partition(mmc); |
| } |
| |
| static int spl_mmc_get_mmc_devnum(struct mmc *mmc) |
| { |
| struct blk_desc *block_dev; |
| #if !CONFIG_IS_ENABLED(BLK) |
| block_dev = &mmc->block_dev; |
| #else |
| block_dev = mmc_get_blk_desc(mmc); |
| #endif |
| return block_dev->devnum; |
| } |
| |
| static struct mmc *mmc; |
| |
| void spl_mmc_clear_cache(void) |
| { |
| mmc = NULL; |
| } |
| |
| int spl_mmc_load(struct spl_image_info *spl_image, |
| struct spl_boot_device *bootdev, |
| const char *filename, |
| int raw_part, |
| unsigned long raw_sect) |
| { |
| u32 boot_mode; |
| int err = 0; |
| __maybe_unused int part = 0; |
| int mmc_dev; |
| |
| /* Perform peripheral init only once for an mmc device */ |
| mmc_dev = spl_mmc_get_device_index(bootdev->boot_device); |
| if (!mmc || spl_mmc_get_mmc_devnum(mmc) != mmc_dev) { |
| err = spl_mmc_find_device(&mmc, bootdev->boot_device); |
| if (err) |
| return err; |
| |
| err = mmc_init(mmc); |
| if (err) { |
| mmc = NULL; |
| #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT |
| printf("spl: mmc init failed with error: %d\n", err); |
| #endif |
| return err; |
| } |
| } |
| |
| boot_mode = spl_mmc_boot_mode(mmc, bootdev->boot_device); |
| err = -EINVAL; |
| switch (boot_mode) { |
| case MMCSD_MODE_EMMCBOOT: |
| part = spl_mmc_emmc_boot_partition(mmc); |
| |
| if (CONFIG_IS_ENABLED(MMC_TINY)) |
| err = mmc_switch_part(mmc, part); |
| else |
| err = blk_dselect_hwpart(mmc_get_blk_desc(mmc), part); |
| |
| if (err) { |
| #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT |
| puts("spl: mmc partition switch failed\n"); |
| #endif |
| return err; |
| } |
| /* Fall through */ |
| case MMCSD_MODE_RAW: |
| debug("spl: mmc boot mode: raw\n"); |
| |
| if (!spl_start_uboot()) { |
| err = mmc_load_image_raw_os(spl_image, bootdev, mmc); |
| if (!err) |
| return err; |
| } |
| |
| raw_sect = spl_mmc_get_uboot_raw_sector(mmc, raw_sect); |
| |
| #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION |
| err = mmc_load_image_raw_partition(spl_image, bootdev, |
| mmc, raw_part, |
| raw_sect); |
| if (!err) |
| return err; |
| #endif |
| #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR |
| err = mmc_load_image_raw_sector(spl_image, bootdev, mmc, |
| raw_sect + spl_mmc_raw_uboot_offset(part)); |
| if (!err) |
| return err; |
| #endif |
| /* If RAW mode fails, try FS mode. */ |
| #ifdef CONFIG_SYS_MMCSD_FS_BOOT |
| case MMCSD_MODE_FS: |
| debug("spl: mmc boot mode: fs\n"); |
| |
| err = spl_mmc_do_fs_boot(spl_image, bootdev, mmc, filename); |
| if (!err) |
| return err; |
| |
| break; |
| #endif |
| #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT |
| default: |
| puts("spl: mmc: wrong boot mode\n"); |
| #endif |
| } |
| |
| return err; |
| } |
| |
| int spl_mmc_load_image(struct spl_image_info *spl_image, |
| struct spl_boot_device *bootdev) |
| { |
| return spl_mmc_load(spl_image, bootdev, |
| #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME |
| CONFIG_SPL_FS_LOAD_PAYLOAD_NAME, |
| #else |
| NULL, |
| #endif |
| #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION |
| spl_mmc_boot_partition(bootdev->boot_device), |
| #else |
| 0, |
| #endif |
| #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR |
| CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR); |
| #else |
| 0); |
| #endif |
| } |
| |
| SPL_LOAD_IMAGE_METHOD("MMC1", 0, BOOT_DEVICE_MMC1, spl_mmc_load_image); |
| SPL_LOAD_IMAGE_METHOD("MMC2", 0, BOOT_DEVICE_MMC2, spl_mmc_load_image); |
| SPL_LOAD_IMAGE_METHOD("MMC2_2", 0, BOOT_DEVICE_MMC2_2, spl_mmc_load_image); |