configs/imx28evk: Generate the standard sdcard.img
Generate the standard sdcard.img format that can be directly copied to the SD card. Remove the custom create-boot-sd.sh script and update the readme.txt file accordingly. Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> [Thomas: further tweaks to readme.txt.] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Fabio Estevam
Thomas Petazzoni
parent
fcb554d39d
commit
898538efef
@ -1,97 +0,0 @@
|
||||
#!/bin/sh
|
||||
|
||||
set -u
|
||||
set -e
|
||||
|
||||
PROGNAME=$(basename $0)
|
||||
|
||||
usage()
|
||||
{
|
||||
echo "Create an SD card that boots on an i.MX28 EVK board."
|
||||
echo
|
||||
echo "Note: all data on the the card will be completely deleted!"
|
||||
echo "Use with care!"
|
||||
echo "Superuser permissions may be required to write to the device."
|
||||
echo
|
||||
echo "Usage: ${PROGNAME} <sd_block_device>"
|
||||
echo "Arguments:"
|
||||
echo " <sd_block_device> The device to be written to"
|
||||
echo
|
||||
echo "Example: ${PROGNAME} /dev/mmcblk0"
|
||||
echo
|
||||
}
|
||||
|
||||
if [ $# -ne 1 ]; then
|
||||
usage
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [ $(id -u) -ne 0 ]; then
|
||||
echo "${PROGNAME} must be run as root"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
DEV=${1}
|
||||
|
||||
# The partition name prefix depends on the device name:
|
||||
# - /dev/sde -> /dev/sde1
|
||||
# - /dev/mmcblk0 -> /dev/mmcblk0p1
|
||||
if echo ${DEV}|grep -q mmcblk ; then
|
||||
PART="p"
|
||||
else
|
||||
PART=""
|
||||
fi
|
||||
|
||||
PART1=${DEV}${PART}1
|
||||
PART2=${DEV}${PART}2
|
||||
PART3=${DEV}${PART}3
|
||||
|
||||
# Unmount the partitions if mounted
|
||||
umount ${PART1} || true
|
||||
umount ${PART2} || true
|
||||
umount ${PART3} || true
|
||||
|
||||
# First, clear the card
|
||||
dd if=/dev/zero of=${DEV} bs=1M count=20
|
||||
|
||||
sync
|
||||
|
||||
# Partition the card.
|
||||
# SD layout for i.MX28 boot:
|
||||
# - Special partition type 53 at sector 2048, containing an SD-SB-encapsulated u-boot
|
||||
# - FAT partition containing zImage
|
||||
# - ext2/3 partition formatted as ext2 or ext3, containing the root filesystem.
|
||||
sfdisk --force -u S ${DEV} <<EOF
|
||||
2048,2000,53
|
||||
4048,16000,b
|
||||
20048,,L
|
||||
EOF
|
||||
|
||||
sync
|
||||
|
||||
# Copy the bootloader at offset 2048
|
||||
# (We need to skip the partition table in the .sd, too.)
|
||||
dd if=output/images/u-boot.sd of=${PART1} bs=1M
|
||||
|
||||
# Prepare a temp dir for mounting partitions
|
||||
TMPDIR=$(mktemp -d)
|
||||
|
||||
# FAT partition: kernel
|
||||
mkfs.vfat ${PART2}
|
||||
mount ${PART2} ${TMPDIR}
|
||||
cp output/images/*Image ${TMPDIR}/
|
||||
cp output/images/*.dtb ${TMPDIR}/ || true
|
||||
sync
|
||||
umount ${TMPDIR}
|
||||
|
||||
# ext2 partition: root filesystem
|
||||
mkfs.ext2 ${PART3}
|
||||
mount ${PART3} ${TMPDIR}
|
||||
tar -C ${TMPDIR}/ -xf output/images/rootfs.tar
|
||||
sync
|
||||
umount ${TMPDIR}
|
||||
|
||||
# Cleanup
|
||||
rmdir ${TMPDIR}
|
||||
sync
|
||||
echo Done
|
||||
29
board/freescale/imx28evk/genimage.cfg
Normal file
29
board/freescale/imx28evk/genimage.cfg
Normal file
@ -0,0 +1,29 @@
|
||||
image kernel.vfat {
|
||||
vfat {
|
||||
files = {
|
||||
"zImage", "imx28-evk.dtb"
|
||||
}
|
||||
}
|
||||
size = 16M
|
||||
}
|
||||
|
||||
image sdcard.img {
|
||||
hdimage {
|
||||
}
|
||||
partition boot {
|
||||
partition-type = 0x53
|
||||
image = "u-boot.sd"
|
||||
offset = 1M
|
||||
size = 16M
|
||||
}
|
||||
|
||||
partition kernel {
|
||||
partition-type = 0xC
|
||||
image = "kernel.vfat"
|
||||
}
|
||||
|
||||
partition rootfs {
|
||||
partition-type = 0x83
|
||||
image = "rootfs.ext2"
|
||||
}
|
||||
}
|
||||
14
board/freescale/imx28evk/post-image.sh
Executable file
14
board/freescale/imx28evk/post-image.sh
Executable file
@ -0,0 +1,14 @@
|
||||
#!/usr/bin/env bash
|
||||
|
||||
BOARD_DIR="$(dirname $0)"
|
||||
GENIMAGE_CFG="${BOARD_DIR}/genimage.cfg"
|
||||
GENIMAGE_TMP="${BUILD_DIR}/genimage.tmp"
|
||||
|
||||
rm -rf "${GENIMAGE_TMP}"
|
||||
|
||||
genimage \
|
||||
--rootpath "${TARGET_DIR}" \
|
||||
--tmppath "${GENIMAGE_TMP}" \
|
||||
--inputpath "${BINARIES_DIR}" \
|
||||
--outputpath "${BINARIES_DIR}" \
|
||||
--config "${GENIMAGE_CFG}"
|
||||
@ -32,12 +32,11 @@ To determine the device associated to the SD card have a look in the
|
||||
|
||||
cat /proc/partitions
|
||||
|
||||
Run the following script as root on your SD card. This will partition the card
|
||||
and copy the bootloader, kernel and root filesystem as needed.
|
||||
Then, run the following command as root:
|
||||
|
||||
*** WARNING! The script will destroy all the card content. Use with care! ***
|
||||
*** WARNING! The command will destroy all the card content. Use with care! ***
|
||||
|
||||
./board/freescale/imx28evk/create-boot-sd.sh <your-sd-device>
|
||||
sudo dd if=output/images/sdcard.img of=/dev/<your-microsd-device>
|
||||
|
||||
Boot the i.MX28 EVK board
|
||||
=========================
|
||||
|
||||
@ -22,3 +22,13 @@ BR2_TARGET_UBOOT_BOARDNAME="mx28evk"
|
||||
BR2_TARGET_UBOOT_CUSTOM_VERSION=y
|
||||
BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2016.09.01"
|
||||
BR2_TARGET_UBOOT_FORMAT_SD=y
|
||||
|
||||
# Filesystem
|
||||
BR2_TARGET_ROOTFS_EXT2=y
|
||||
BR2_TARGET_ROOTFS_EXT4=y
|
||||
|
||||
# To generate SD Image
|
||||
BR2_PACKAGE_HOST_DOSFSTOOLS=y
|
||||
BR2_PACKAGE_HOST_GENIMAGE=y
|
||||
BR2_PACKAGE_HOST_MTOOLS=y
|
||||
BR2_ROOTFS_POST_IMAGE_SCRIPT="board/freescale/imx28evk/post-image.sh"
|
||||
|
||||
Loading…
Reference in New Issue
Block a user