diff options
| -rw-r--r-- | common/spl/spl_mmc.c | 128 |
1 files changed, 73 insertions, 55 deletions
diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c index e580f2291a..3cc05bb531 100644 --- a/common/spl/spl_mmc.c +++ b/common/spl/spl_mmc.c @@ -8,6 +8,7 @@ */ #include <common.h> #include <spl.h> +#include <linux/compiler.h> #include <asm/u-boot.h> #include <mmc.h> #include <image.h> @@ -21,7 +22,7 @@ static int mmc_load_image_raw_sector(struct mmc *mmc, unsigned long sector) struct image_header *header; header = (struct image_header *)(CONFIG_SYS_TEXT_BASE - - sizeof(struct image_header)); + sizeof(struct image_header)); /* read image header to find the image size & load address */ err = mmc->block_dev.block_read(0, sector, 1, header); @@ -35,7 +36,7 @@ static int mmc_load_image_raw_sector(struct mmc *mmc, unsigned long sector) /* convert size to sectors - round up */ image_size_sectors = (spl_image.size + mmc->read_bl_len - 1) / - mmc->read_bl_len; + mmc->read_bl_len; /* Read the header too to avoid extra memcpy */ err = mmc->block_dev.block_read(0, sector, image_size_sectors, @@ -44,7 +45,7 @@ static int mmc_load_image_raw_sector(struct mmc *mmc, unsigned long sector) end: #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT if (err == 0) - printf("spl: mmc blk read err - %lu\n", err); + printf("spl: mmc block read error\n"); #endif return (err == 0); @@ -69,33 +70,38 @@ static int mmc_load_image_raw_partition(struct mmc *mmc, int partition) #ifdef CONFIG_SPL_OS_BOOT static int mmc_load_image_raw_os(struct mmc *mmc) { - if (!mmc->block_dev.block_read(0, - CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR, - CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS, - (void *)CONFIG_SYS_SPL_ARGS_ADDR)) { + unsigned long err; + + err = mmc->block_dev.block_read(0, + CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR, + CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS, + (void *)CONFIG_SYS_SPL_ARGS_ADDR); + if (err) { #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT - printf("mmc args blk read error\n"); + printf("spl: mmc block read error\n"); #endif return -1; } return mmc_load_image_raw_sector(mmc, - CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR); + CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR); } #endif void spl_mmc_load_image(void) { struct mmc *mmc; - int err; u32 boot_mode; + int err; + __maybe_unused int part; mmc_initialize(gd->bd); + /* We register only one device. So, the dev id is always 0 */ mmc = find_mmc_device(0); if (!mmc) { #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT - puts("spl: mmc device not found!!\n"); + puts("spl: mmc device not found\n"); #endif hang(); } @@ -103,16 +109,22 @@ void spl_mmc_load_image(void) err = mmc_init(mmc); if (err) { #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT - printf("spl: mmc init failed: err - %d\n", err); + printf("spl: mmc init failed with error: %d\n", err); #endif hang(); } boot_mode = spl_boot_mode(); - if (boot_mode == MMCSD_MODE_RAW) { - debug("boot mode - RAW\n"); + switch (boot_mode) { + case MMCSD_MODE_RAW: + debug("spl: mmc boot mode: raw\n"); + #ifdef CONFIG_SPL_OS_BOOT - if (spl_start_uboot() || mmc_load_image_raw_os(mmc)) + if (!spl_start_uboot()) { + err = mmc_load_image_raw_os(mmc); + if (!err) + return; + } #endif #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION err = mmc_load_image_raw_partition(mmc, @@ -121,76 +133,82 @@ void spl_mmc_load_image(void) err = mmc_load_image_raw_sector(mmc, CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR); #endif + if (!err) + return; #if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT) - } - if (err || boot_mode == MMCSD_MODE_FS) { - debug("boot mode - FS\n"); + case MMCSD_MODE_FS: + debug("spl: mmc boot mode: fs\n"); + #ifdef CONFIG_SPL_FAT_SUPPORT #ifdef CONFIG_SPL_OS_BOOT - if (spl_start_uboot() || spl_load_image_fat_os(&mmc->block_dev, - CONFIG_SYS_MMCSD_FS_BOOT_PARTITION)) + if (!spl_start_uboot()) { + err = spl_load_image_fat_os(&mmc->block_dev, + CONFIG_SYS_MMCSD_FS_BOOT_PARTITION); + if (!err) + return; + } #endif err = spl_load_image_fat(&mmc->block_dev, - CONFIG_SYS_MMCSD_FS_BOOT_PARTITION, - CONFIG_SPL_FS_LOAD_PAYLOAD_NAME); - if(err) -#endif /* CONFIG_SPL_FAT_SUPPORT */ - { + CONFIG_SYS_MMCSD_FS_BOOT_PARTITION, + CONFIG_SPL_FS_LOAD_PAYLOAD_NAME); + if (!err) + return; +#endif #ifdef CONFIG_SPL_EXT_SUPPORT #ifdef CONFIG_SPL_OS_BOOT - if (spl_start_uboot() || spl_load_image_ext_os(&mmc->block_dev, - CONFIG_SYS_MMCSD_FS_BOOT_PARTITION)) + if (!spl_start_uboot()) { + err = spl_load_image_ext_os(&mmc->block_dev, + CONFIG_SYS_MMCSD_FS_BOOT_PARTITION); + if (!err) + return; + } #endif err = spl_load_image_ext(&mmc->block_dev, - CONFIG_SYS_MMCSD_FS_BOOT_PARTITION, - CONFIG_SPL_FS_LOAD_PAYLOAD_NAME); -#endif /* CONFIG_SPL_EXT_SUPPORT */ - } -#endif /* defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT) */ + CONFIG_SYS_MMCSD_FS_BOOT_PARTITION, + CONFIG_SPL_FS_LOAD_PAYLOAD_NAME); + if (!err) + return; +#endif +#endif #ifdef CONFIG_SUPPORT_EMMC_BOOT - } else if (boot_mode == MMCSD_MODE_EMMCBOOT) { + case MMCSD_MODE_EMMCBOOT: /* * 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). */ - int part = (mmc->part_config >> 3) & PART_ACCESS_MASK; + part = (mmc->part_config >> 3) & PART_ACCESS_MASK; if (part == 7) part = 0; if (mmc_switch_part(0, part)) { #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT - puts("MMC partition switch failed\n"); + puts("spl: mmc partition switch failed\n"); #endif hang(); } + #ifdef CONFIG_SPL_OS_BOOT - if (spl_start_uboot() || mmc_load_image_raw_os(mmc)) + if (!spl_start_uboot()) { + err = mmc_load_image_raw_os(mmc); + if (!err) + return; + } #endif err = mmc_load_image_raw_sector(mmc, CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR); + if (!err) + return; #endif - } - - switch(boot_mode){ - case MMCSD_MODE_RAW: -#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT) - case MMCSD_MODE_FS: -#endif -#ifdef CONFIG_SUPPORT_EMMC_BOOT - case MMCSD_MODE_EMMCBOOT: -#endif - /* Boot mode is ok. Nothing to do. */ - break; - case MMCSD_MODE_UNDEFINED: - default: + case MMCSD_MODE_UNDEFINED: + default: #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT - puts("spl: wrong MMC boot mode\n"); + if (err) + puts("spl: mmc: no boot mode left to try\n"); + else + puts("spl: mmc: wrong boot mode\n"); #endif - hang(); - } - - if (err) hang(); + } } |