upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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184 lines
4.5 KiB
184 lines
4.5 KiB
/*
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* (C) Copyright 2010
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* Texas Instruments, <www.ti.com>
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*
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* Aneesh V <aneesh@ti.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <spl.h>
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#include <asm/u-boot.h>
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#include <mmc.h>
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#include <version.h>
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#include <image.h>
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DECLARE_GLOBAL_DATA_PTR;
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static int mmc_load_image_raw_sector(struct mmc *mmc, unsigned long sector)
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{
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unsigned long err;
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u32 image_size_sectors;
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struct image_header *header;
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header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
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sizeof(struct image_header));
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/* read image header to find the image size & load address */
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err = mmc->block_dev.block_read(0, sector, 1, header);
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if (err == 0)
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goto end;
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if (image_get_magic(header) != IH_MAGIC)
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return -1;
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spl_parse_image_header(header);
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/* convert size to sectors - round up */
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image_size_sectors = (spl_image.size + mmc->read_bl_len - 1) /
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mmc->read_bl_len;
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/* Read the header too to avoid extra memcpy */
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err = mmc->block_dev.block_read(0, sector, image_size_sectors,
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(void *)spl_image.load_addr);
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end:
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#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
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if (err == 0)
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printf("spl: mmc blk read err - %lu\n", err);
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#endif
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return (err == 0);
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}
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#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
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static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
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{
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disk_partition_t info;
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if (get_partition_info(&mmc->block_dev, partition, &info)) {
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#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
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printf("spl: partition error\n");
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#endif
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return -1;
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}
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return mmc_load_image_raw_sector(mmc, info.start);
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}
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#endif
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#ifdef CONFIG_SPL_OS_BOOT
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static int mmc_load_image_raw_os(struct mmc *mmc)
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{
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if (!mmc->block_dev.block_read(0,
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CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
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CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
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(void *)CONFIG_SYS_SPL_ARGS_ADDR)) {
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#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
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printf("mmc args blk read error\n");
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#endif
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return -1;
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}
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return mmc_load_image_raw_sector(mmc,
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CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
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}
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#endif
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void spl_mmc_load_image(void)
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{
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struct mmc *mmc;
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int err;
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u32 boot_mode;
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mmc_initialize(gd->bd);
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/* We register only one device. So, the dev id is always 0 */
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mmc = find_mmc_device(0);
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if (!mmc) {
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#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
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puts("spl: mmc device not found!!\n");
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#endif
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hang();
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}
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err = mmc_init(mmc);
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if (err) {
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#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
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printf("spl: mmc init failed: err - %d\n", err);
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#endif
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hang();
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}
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boot_mode = spl_boot_mode();
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if (boot_mode == MMCSD_MODE_RAW) {
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debug("boot mode - RAW\n");
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#ifdef CONFIG_SPL_OS_BOOT
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if (spl_start_uboot() || mmc_load_image_raw_os(mmc))
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#endif
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#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
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err = mmc_load_image_raw_partition(mmc,
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CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
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#else
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err = mmc_load_image_raw_sector(mmc,
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CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
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#endif
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#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
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}
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if (err || boot_mode == MMCSD_MODE_FS) {
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debug("boot mode - FS\n");
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#ifdef CONFIG_SPL_FAT_SUPPORT
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#ifdef CONFIG_SPL_OS_BOOT
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if (spl_start_uboot() || spl_load_image_fat_os(&mmc->block_dev,
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CONFIG_SYS_MMCSD_FS_BOOT_PARTITION))
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#endif
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err = spl_load_image_fat(&mmc->block_dev,
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CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
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CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
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if(err)
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#endif /* CONFIG_SPL_FAT_SUPPORT */
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{
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#ifdef CONFIG_SPL_EXT_SUPPORT
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#ifdef CONFIG_SPL_OS_BOOT
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if (spl_start_uboot() || spl_load_image_ext_os(&mmc->block_dev,
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CONFIG_SYS_MMCSD_FS_BOOT_PARTITION))
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#endif
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err = spl_load_image_ext(&mmc->block_dev,
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CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
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CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
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#endif /* CONFIG_SPL_EXT_SUPPORT */
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}
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#endif /* defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT) */
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#ifdef CONFIG_SUPPORT_EMMC_BOOT
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} else if (boot_mode == MMCSD_MODE_EMMCBOOT) {
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/*
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* We need to check what the partition is configured to.
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* 1 and 2 match up to boot0 / boot1 and 7 is user data
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* which is the first physical partition (0).
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*/
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int part = (mmc->part_config >> 3) & PART_ACCESS_MASK;
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if (part == 7)
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part = 0;
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if (mmc_switch_part(0, part)) {
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#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
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puts("MMC partition switch failed\n");
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#endif
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hang();
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}
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#ifdef CONFIG_SPL_OS_BOOT
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if (spl_start_uboot() || mmc_load_image_raw_os(mmc))
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#endif
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err = mmc_load_image_raw_sector(mmc,
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CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
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#endif
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} else {
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#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
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puts("spl: wrong MMC boot mode\n");
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#endif
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hang();
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}
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if (err)
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hang();
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}
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