X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=common%2Fspl%2Fspl_mmc.c;h=5f1cfbf98e97daf107d0e07a649534534d153423;hb=d216f2c5367adf6b202589731d2aba9773feafde;hp=7efdcb88b73412b7602c72af2e265f068031bb06;hpb=efc284e32503b240dbd35c6e8b8d098d702b4be7;p=karo-tx-uboot.git diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c index 7efdcb88b7..5f1cfbf98e 100644 --- a/common/spl/spl_mmc.c +++ b/common/spl/spl_mmc.c @@ -4,134 +4,246 @@ * * Aneesh V * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include +#include #include +#include #include -#include #include -#include -#include +#include DECLARE_GLOBAL_DATA_PTR; -static void mmc_load_image_raw(struct mmc *mmc) +static int mmc_load_image_raw_sector(struct mmc *mmc, unsigned long sector) { - unsigned long err; + unsigned long count; u32 image_size_sectors; 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, - CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR, 1, - header); - - if (err == 0) + count = mmc->block_dev.block_read(0, sector, 1, header); + debug("read sector %lx, count=%lu\n", sector, count); + if (count == 0) goto end; + if (image_get_magic(header) != IH_MAGIC) { + puts("bad magic\n"); + return -1; + } + spl_parse_image_header(header); /* 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, - CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR, - image_size_sectors, (void *)spl_image.load_addr); + count = mmc->block_dev.block_read(0, sector, image_size_sectors, + (void *)spl_image.load_addr); + debug("read %x sectors to %x\n", image_size_sectors, + spl_image.load_addr); end: - if (err == 0) { - printf("spl: mmc blk read err - %lu\n", err); - hang(); + if (count == 0) { +#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT + puts("spl: mmc block read error\n"); +#endif + return -1; } + + return 0; } -#ifdef CONFIG_SPL_FAT_SUPPORT -static void mmc_load_image_fat(struct mmc *mmc) +#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION +static int mmc_load_image_raw_partition(struct mmc *mmc, int partition) { + disk_partition_t info; int err; - struct image_header *header; - - header = (struct image_header *)(CONFIG_SYS_TEXT_BASE - - sizeof(struct image_header)); - err = fat_register_device(&mmc->block_dev, - CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION); + err = get_partition_info(&mmc->block_dev, partition, &info); if (err) { - printf("spl: fat register err - %d\n", err); - hang(); +#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT + puts("spl: partition error\n"); +#endif + return -1; } - err = file_fat_read(CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME, - header, sizeof(struct image_header)); - if (err <= 0) - goto end; - - spl_parse_image_header(header); - - err = file_fat_read(CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME, - (u8 *)spl_image.load_addr, 0); + return mmc_load_image_raw_sector(mmc, info.start); +} +#endif -end: - if (err <= 0) { - printf("spl: error reading image %s, err - %d\n", - CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME, err); - hang(); +#ifdef CONFIG_SPL_OS_BOOT +static int mmc_load_image_raw_os(struct mmc *mmc) +{ + unsigned long count; + + count = 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 (count == 0) { +#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT + puts("spl: mmc block read error\n"); +#endif + return -1; } + + return mmc_load_image_raw_sector(mmc, + CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR); } #endif void spl_mmc_load_image(void) { struct mmc *mmc; - int err; u32 boot_mode; - + int err = 0; + __maybe_unused int part; + +#ifdef CONFIG_DM_MMC + struct udevice *dev; + + mmc_initialize(NULL); + err = uclass_get_device(UCLASS_MMC, 0, &dev); + mmc = NULL; + if (!err) + mmc = mmc_get_mmc_dev(dev); +#else 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"); +#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT + puts("spl: mmc device not found\n"); +#endif hang(); } +#endif + + if (!err) + err = mmc_init(mmc); - err = mmc_init(mmc); if (err) { - printf("spl: mmc init failed: err - %d\n", err); +#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT + 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"); - mmc_load_image_raw(mmc); + switch (boot_mode) { + case MMCSD_MODE_RAW: + debug("spl: mmc boot mode: raw\n"); + +#ifdef CONFIG_SPL_OS_BOOT + if (!spl_start_uboot()) { + err = mmc_load_image_raw_os(mmc); + if (!err) + return; + } +#endif +#if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION) + err = mmc_load_image_raw_partition(mmc, + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION); + if (!err) + return; +#elif defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR) + err = mmc_load_image_raw_sector(mmc, + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR); + if (!err) + return; +#endif + case MMCSD_MODE_FS: + debug("spl: mmc boot mode: fs\n"); + +#ifdef CONFIG_SYS_MMCSD_FS_BOOT_PARTITION #ifdef CONFIG_SPL_FAT_SUPPORT - } else if (boot_mode == MMCSD_MODE_FAT) { - debug("boot mode - FAT\n"); - mmc_load_image_fat(mmc); +#ifdef CONFIG_SPL_OS_BOOT + if (!spl_start_uboot()) { + err = spl_load_image_fat_os(&mmc->block_dev, + CONFIG_SYS_MMCSD_FS_BOOT_PARTITION); + if (!err) + return; + } +#endif +#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME + err = spl_load_image_fat(&mmc->block_dev, + CONFIG_SYS_MMCSD_FS_BOOT_PARTITION, + CONFIG_SPL_FS_LOAD_PAYLOAD_NAME); + if (!err) + return; +#endif +#endif +#ifdef CONFIG_SPL_EXT_SUPPORT +#ifdef CONFIG_SPL_OS_BOOT + if (!spl_start_uboot()) { + err = spl_load_image_ext_os(&mmc->block_dev, + CONFIG_SYS_MMCSD_FS_BOOT_PARTITION); + if (!err) + return; + } +#endif +#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME + err = spl_load_image_ext(&mmc->block_dev, + CONFIG_SYS_MMCSD_FS_BOOT_PARTITION, + CONFIG_SPL_FS_LOAD_PAYLOAD_NAME); + if (!err) + return; +#endif +#endif +#endif +#ifdef CONFIG_SUPPORT_EMMC_BOOT + 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). + */ + 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("spl: mmc partition switch failed\n"); +#endif + hang(); + } + +#ifdef CONFIG_SPL_OS_BOOT + if (!spl_start_uboot()) { + err = mmc_load_image_raw_os(mmc); + if (!err) + return; + } +#endif +#if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION) + err = mmc_load_image_raw_partition(mmc, + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION); + if (!err) + return; +#elif defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR) + err = mmc_load_image_raw_sector(mmc, + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR); + if (!err) + return; +#endif +#endif + case MMCSD_MODE_UNDEFINED: + default: +#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT + if (err) + puts("spl: mmc: no boot mode left to try\n"); + else + puts("spl: mmc: wrong boot mode\n"); #endif - } else { - puts("spl: wrong MMC boot mode\n"); hang(); } }