[Buildroot] [git commit] configs/imx28evk: Generate the standard sdcard.img
Thomas Petazzoni
thomas.petazzoni at free-electrons.com
Tue Nov 1 14:02:24 UTC 2016
commit: https://git.buildroot.net/buildroot/commit/?id=898538efef6b67791a1bad7eacc47e67bdb48e31
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master
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 at nxp.com>
[Thomas: further tweaks to readme.txt.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
---
board/freescale/imx28evk/create-boot-sd.sh | 97 ------------------------------
board/freescale/imx28evk/genimage.cfg | 29 +++++++++
board/freescale/imx28evk/post-image.sh | 14 +++++
board/freescale/imx28evk/readme.txt | 7 +--
configs/freescale_imx28evk_defconfig | 10 +++
5 files changed, 56 insertions(+), 101 deletions(-)
diff --git a/board/freescale/imx28evk/create-boot-sd.sh b/board/freescale/imx28evk/create-boot-sd.sh
deleted file mode 100755
index bce2212..0000000
--- a/board/freescale/imx28evk/create-boot-sd.sh
+++ /dev/null
@@ -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 ${TMPDIR}
-sync
-echo Done
diff --git a/board/freescale/imx28evk/genimage.cfg b/board/freescale/imx28evk/genimage.cfg
new file mode 100644
index 0000000..4df432f
--- /dev/null
+++ b/board/freescale/imx28evk/genimage.cfg
@@ -0,0 +1,29 @@
+image kernel.vfat {
+ vfat {
+ files = {
+ "zImage", "imx28-evk.dtb"
+ }
+ }
+ size = 16M
+}
+
+image sdcard.img {
+ hdimage {
+ }
+ partition boot {
+ partition-type = 0x53
+ image = "u-boot.sd"
+ offset = 1M
+ size = 16M
+ }
+
+ partition kernel {
+ partition-type = 0xC
+ image = "kernel.vfat"
+ }
+
+ partition rootfs {
+ partition-type = 0x83
+ image = "rootfs.ext2"
+ }
+}
diff --git a/board/freescale/imx28evk/post-image.sh b/board/freescale/imx28evk/post-image.sh
new file mode 100755
index 0000000..b4ac460
--- /dev/null
+++ b/board/freescale/imx28evk/post-image.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+BOARD_DIR="$(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}"
diff --git a/board/freescale/imx28evk/readme.txt b/board/freescale/imx28evk/readme.txt
index cbf6aae..2920cb0 100644
--- a/board/freescale/imx28evk/readme.txt
+++ b/board/freescale/imx28evk/readme.txt
@@ -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
=========================
diff --git a/configs/freescale_imx28evk_defconfig b/configs/freescale_imx28evk_defconfig
index a638462..790c338 100644
--- a/configs/freescale_imx28evk_defconfig
+++ b/configs/freescale_imx28evk_defconfig
@@ -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"
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