mirror of
https://source.denx.de/u-boot/u-boot.git
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de27ed88b3
Prepare moving boiler plate code out of board confguration header and prepare to share a lot of things between boards. Signed-off-by: Markus Niebel <Markus.Niebel@ew.tq-group.com> Signed-off-by: Max Merchel <Max.Merchel@ew.tq-group.com>
83 lines
2.0 KiB
Bash
83 lines
2.0 KiB
Bash
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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/*
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* Copyright (c) 2024-2026 TQ-Systems GmbH <u-boot@ew.tq-group.com>,
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* D-82229 Seefeld, Germany.
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* Author: Max Merchel
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*
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* shared mmc environment for TQ boards
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*/
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addmmc=
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setenv bootargs "${bootargs}"
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root=/dev/mmcblk"${mmcblkdev}"p"${mmcrootpart}" "${rootfsmode}" rootwait;
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get_blockcount=
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setexpr blkc "${filesize}" + 0x1ff;
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setexpr blkc "${blkc}" / 0x200;
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load_mmc=
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mmc dev "${mmcdev}"; mmc rescan;
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load mmc "${mmcdev}":"${mmcpart}" "${kernel_addr_r}" /boot/"${image}";
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load mmc "${mmcdev}":"${mmcpart}" "${fdt_addr_r}" /boot/"${fdtfile}";
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fdt address "${fdt_addr_r}";
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fdt resize 0x100000;
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for overlay in "${fdt_overlays}"; do
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load mmc "${mmcdev}":"${mmcpart}" "${fdtoverlay_addr_r}"
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/boot/"${overlay}" && fdt apply "${fdtoverlay_addr_r}";
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done;
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mmcargs=run addtty addmmc
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mmcboot=
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echo "Booting from mmc ...";
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setenv bootargs && run mmcargs &&
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if run load_mmc; then
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run boot_os;
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else
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echo "ERROR: loading from mmc";
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fi;
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mmcpart=2
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mmc_finish_update_uboot=
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mmc write "${loadaddr}" "${update_start_blk}" "${blkc}";
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mmc dev "${mmcdev}" 0;
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setenv update_part;
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setenv update_start_blk;
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setenv blkc;
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mmc_prepare_update_uboot=
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echo "Write U-Boot to mmc "${mmcdev}" ...";
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mmc dev "${mmcdev}"; mmc rescan;
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run get_blockcount;
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setenv update_start_blk "${uboot_mmc_start}";
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setenv update_part 0;
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mmc_switch_part=
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mmc partconf "${mmcdev}" update_part;
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mmc dev "${mmcdev}" "${update_part}";
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mmcrootpart=2
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update_uboot_mmc=
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run check_ipaddr;
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if tftp "${uboot}"; then
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run mmc_prepare_update_uboot;
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if itest "${blkc}" >= "${uboot_mmc_size}"; then
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echo "ERROR: size to large ...";
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exit;
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fi;
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if itest "${mmcdev}" == "${emmc_dev}"; then
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run mmc_switch_part;
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if itest "${update_part}" > 0 ; then
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if env exists emmc_bootp_start; then
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setenv update_start_blk "${emmc_bootp_start}";
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else
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echo "ERROR: eMMC boot partition block unset";
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exit;
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fi;
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fi;
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fi;
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run mmc_finish_update_uboot;
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fi;
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