diff options
Diffstat (limited to 'target/linux/mediatek/image/gen_mtk_mmc_img.sh')
| -rwxr-xr-x | target/linux/mediatek/image/gen_mtk_mmc_img.sh | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/target/linux/mediatek/image/gen_mtk_mmc_img.sh b/target/linux/mediatek/image/gen_mtk_mmc_img.sh deleted file mode 100755 index 7e19e1a39e..0000000000 --- a/target/linux/mediatek/image/gen_mtk_mmc_img.sh +++ /dev/null @@ -1,147 +0,0 @@ -#!/bin/bash -# SPDX-License-Identifier: GPL-2.0-only -# -# Copyright © 2019 Alexey Loukianov <lx2@lexa2.ru> -# Copyright © 2020 David Woodhouse <dwmw2@infradead.org> - -# Generates a bootable SD card image for Banana Pi R2 (and probably -# other similar boards) as documented at -# http://www.fw-web.de/dokuwiki/doku.php?id=en:bpi-r2:storage -# -# The first sector must contain the SDMMC_BOOT header shown -# below, and also contains the MBR partition table in the end -# of the sector. The partition table must contain no active -# partitions. -# -# The second sector must contain the BRLYT header, and the -# special preloader image goes in sector 4; 2KiB into the image. -# -# The preloader loads U-Boot from sector 640; 320KiB into the image. -# The location and the size (512KiB) are fixed and not read from -# the partition table. We set up a partition for it merely for -# our own convenience for upgrades, etc. -# -# The second partition is a FAT file system containing the kernel -# image and a uboot.env file, which is provided to this script as -# $4 (bootfs image). Its size is configurable with the -# CONFIG_MTK_BOOT_PARTSIZE option; by default 32MiB. -# -# The root filesystem comes next in the third partition. -# -# -# ------------------------ Sector Offset -# | MBR + SDMMC_BOOT | 0 0x0 -# |----------------------| -# | BRLYT header | 1 0x200 -# |----------------------| -# . . -# . . -# |----------------------| -# | | 4 0x800 -# | | -# | Preloader | -# . . -# . . -# | | 639 -# |----------------------| -# | MBR partition #1 | 640 0x50000 -# | | -# | U-Boot | -# . . -# . . -# | | 1663 -# |----------------------| -# | MBR partition #2 | -# | | -# | FAT partition | ( MTK_BOOT_PARTSIZE -# . . default 32MiB ) -# . (kernel, uEnv) . -# | | -# |----------------------| -# | MBR partition #3 | -# | | -# | Root partition | -# | | ( TARGET_ROOTFS_PARTSIZE -# | (squashfs+overlay | default 104MiB ) -# . or ext4, etc.) . -# . . -# | | -# ------------------------ -# -# For eMMC boot, everything up to and including the preloader must be -# written to /dev/mmcblk0boot0, with the SDMMC_BOOT header changed to -# read EMMC_BOOT\0 instead. -# -# The contents of the main eMMC are identical to the SD card layout, -# with the preloader loading 512KiB of U-Boot starting at 0x50000. - -usage() { - echo "SYNTAX: $0 sd <file> <preloader image> <u-boot image> <u-boot offset> <bootfs image> <rootfs image> <bootfs size> <rootfs size>" - echo " OR: $0 emmc <file> <preloader image>" - exit 1 -} - -set -e - -PRELOADER_OFFSET=2 # 2KiB - -SDMMC_BOOT="SDMMC_BOOT\x00\x00\x01\x00\x00\x00\x00\x02\x00\x00" -EMMC_BOOT="EMMC_BOOT\x00\x00\x00\x01\x00\x00\x00\x00\x02\x00\x00" -BRLYT="BRLYT\x00\x00\x00\x01\x00\x00\x00\x00\x08\x00\x00\ -\x00\x08\x00\x00\x42\x42\x42\x42\x08\x00\x01\x00\x00\x08\x00\x00\ -\x00\x08\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" - -case $1 in - sd) - [ $# -eq 9 ] || usage - OUTPUT="$2" - PRELOADER="$3" - UBOOT="$4" - UBOOTOFS="$5" - BOOTFS="$6" - ROOTFS="$7" - BOOTFSSIZE="$8" - ROOTFSSIZE="$9" - - head=4 - sect=63 - - set $(ptgen -o $OUTPUT -h $head -s $sect -a 0 -l 1024 \ - -t 41 -p 512k@${UBOOTOFS} \ - -t c -p ${BOOTFSSIZE}M \ - -t 83 -p ${ROOTFSSIZE}M ) - - UBOOT_OFFSET="$(($1 / 512))" - UBOOT_SIZE="$(($2 / 512))" - BOOTFS_OFFSET="$(($3 / 512))" - BOOTFS_SIZE="$(($4 / 512))" - ROOTFS_OFFSET="$(($5 / 512))" - ROOTFS_SIZE="$(($6 / 512))" - - echo -en "${SDMMC_BOOT}" | dd bs=1 of="${OUTPUT}" seek=0 conv=notrunc - echo -en "${BRLYT}" | dd bs=1 of="${OUTPUT}" seek=512 conv=notrunc - - # For eMMC-only boards like U7623 the preloader doesn't need to be included in the - # main image as it's only ever needed in the eMMC boot partition. - if [ -r ${PRELOADER} ]; then - dd bs=1024 if="${PRELOADER}" of="${OUTPUT}" seek="${PRELOADER_OFFSET}" conv=notrunc - fi - dd bs=512 if="${UBOOT}" of="${OUTPUT}" seek="${UBOOT_OFFSET}" conv=notrunc - dd bs=512 if="${BOOTFS}" of="${OUTPUT}" seek="${BOOTFS_OFFSET}" conv=notrunc - dd bs=512 if="${ROOTFS}" of="${OUTPUT}" seek="${ROOTFS_OFFSET}" conv=notrunc - dd bs=128k if=/dev/zero of="${OUTPUT}" count=1 oflag=append conv=notrunc - ;; - emmc) - [ $# -eq 3 ] || usage - OUTPUT="$2" - PRELOADER="$3" - - echo -en "${EMMC_BOOT}" | dd bs=1 of="${OUTPUT}" seek=0 - echo -en "${BRLYT}" | dd bs=1 of="${OUTPUT}" seek=512 conv=notrunc - - dd bs=1024 if="${PRELOADER}" of="${OUTPUT}" seek="${PRELOADER_OFFSET}" conv=notrunc - ;; - *) - usage - ;; -esac |