#! /bin/bash
# Install a bog-standard Debian bootable for ODROID XU3/XU4.
-# Note that this will only work for SD cards; MMC devices
-# have a different layout. See
-# /usr/share/doc/u-boot-exynos/README.odroid.gz for more details.
#
-# Note: You will need u-boot-exynos >= 2016.05~rc3+dfsg1-1,
-# which at the time of writing is in experimental (it will
-# probably eventually hit stretch).
-#
-# Beware: This will ERASE ALL DATA on the target SD card.
+# Beware: This will ERASE ALL DATA on the target SD card
+# or MMC partition.
#
#
# Copyright 2016 Steinar H. Gunderson <steinar+odroid@gunderson.no>.
DEVICE=
BOOTPART_MB=256
SUITE=stretch
+TYPE=sd
-while getopts "b:s:" opt; do
+while getopts "b:s:t:" opt; do
case $opt in
b)
BOOTPART_MB=$OPTARG
# Sorry, jessie won't work; the kernel doesn't support XU3/XU4.
SUITE=$OPTARG
;;
+ t)
+ TYPE=$OPTARG
+ ;;
:)
echo "Option -$OPTARG requires an argument."
exit 1
DEVICE=$1
if [ ! -b "$DEVICE" ]; then
- echo "Usage: $0 [-b BOOTPARTITION_SIZE] [-s SUITE] DEVICE [OTHER_DEBOOTSTRAP_ARGS...]"
+ echo "Usage: $0 [-b BOOTPARTITION_SIZE] [-s SUITE] [-t sd|mmc|mmcbootonly] DEVICE [OTHER_DEBOOTSTRAP_ARGS...]"
echo "DEVICE is an SD card device, e.g. /dev/sdb."
exit 1
fi
shift
+if [ "$TYPE" != "sd" ] && [ "$TYPE" != "mmc" ] && [ "$TYPE" != "mmcbootonly" ]; then
+ echo "Card type must be 'sd', 'mmc' or 'mmcbootonly'."
+ exit 1
+fi
+
set -x
# Prerequisites.
git clone https://github.com/hardkernel/u-boot -b odroidxu3-v2012.07
fi
-# Partition the device.
-parted ${DEVICE} mklabel msdos
-parted ${DEVICE} mkpart primary fat32 2MB $(( BOOTPART_MB + 2 ))MB
-parted ${DEVICE} set 1 boot on
-parted ${DEVICE} mkpart primary ext2 $(( BOOTPART_MB + 2))MB 100%
-
-# Figure out if the partitions are of type ${DEVICE}1 or ${DEVICE}p1.
-if [ -b "${DEVICE}1" ]; then
- DEVICE_STEM=${DEVICE}
-elif [ -b "${DEVICE}p1" ]; then
- DEVICE_STEM=${DEVICE}p
-else
- echo "Could not find device files for partitions of ${DEVICE}. Exiting."
- exit 1
+if [ "$TYPE" != "mmcbootonly" ]; then
+ # Partition the device.
+ parted ${DEVICE} mklabel msdos
+ parted ${DEVICE} mkpart primary fat32 2MB $(( BOOTPART_MB + 2 ))MB
+ parted ${DEVICE} set 1 boot on
+ parted ${DEVICE} mkpart primary ext2 $(( BOOTPART_MB + 2))MB 100%
+
+ # Figure out if the partitions are of type ${DEVICE}1 or ${DEVICE}p1.
+ if [ -b "${DEVICE}1" ]; then
+ DEVICE_STEM=${DEVICE}
+ elif [ -b "${DEVICE}p1" ]; then
+ DEVICE_STEM=${DEVICE}p
+ else
+ echo "Could not find device files for partitions of ${DEVICE}. Exiting."
+ exit 1
+ fi
fi
# Put the different stages of U-Boot into the right place.
-# The offsets come from README.odroid.gz.
-dd if=u-boot/sd_fuse/hardkernel_1mb_uboot/bl1.bin.hardkernel of=${DEVICE} seek=1 conv=sync
-dd if=u-boot/sd_fuse/hardkernel_1mb_uboot/bl2.bin.hardkernel.1mb_uboot of=${DEVICE} seek=31 conv=sync
-dd if=/usr/lib/u-boot/odroid-xu3/u-boot-dtb.bin of=${DEVICE} seek=63 conv=sync
-dd if=u-boot/sd_fuse/hardkernel_1mb_uboot/tzsw.bin.hardkernel of=${DEVICE} seek=2111 conv=sync
+# The offsets come from /usr/share/doc/u-boot-exynos/README.odroid.gz.
+if [ "$TYPE" = "sd" ]; then
+ UBOOT_DEVICE=${DEVICE}
+ UBOOT_OFFSET=1
+elif [ "$TYPE" = "mmcbootonly" ]; then
+ UBOOT_DEVICE=${DEVICE}
+ UBOOT_OFFSET=0
+else
+ UBOOT_DEVICE=${DEVICE}boot0
+ UBOOT_OFFSET=0
+fi
+dd if=u-boot/sd_fuse/hardkernel_1mb_uboot/bl1.bin.hardkernel of=${UBOOT_DEVICE} seek=${UBOOT_OFFSET} conv=sync
+dd if=u-boot/sd_fuse/hardkernel_1mb_uboot/bl2.bin.hardkernel.1mb_uboot of=${UBOOT_DEVICE} seek=$((UBOOT_OFFSET + 30)) conv=sync
+dd if=/usr/lib/u-boot/odroid-xu3/u-boot-dtb.bin of=${UBOOT_DEVICE} seek=$((UBOOT_OFFSET + 62)) conv=sync
+dd if=u-boot/sd_fuse/hardkernel_1mb_uboot/tzsw.bin.hardkernel of=${UBOOT_DEVICE} seek=$((UBOOT_OFFSET + 2110)) conv=sync
# Clear out the environment.
dd if=/dev/zero of=${DEVICE} seek=2560 count=32 bs=512 conv=sync
+if [ "$TYPE" = "mmcbootonly" ]; then
+ # The user asked us to only create the MMC boot partition, so exit.
+ exit 0
+fi
+
# Create a /boot partition. Strictly speaking, almost everything could be loaded
# from ext4, but using FAT is somehow traditional and less likely to be broken
# at any given time. (It doesn't support symlinks, though, which breaks flash-kernel,
# Work around Debian bug #824391.
echo ttySAC2 >> /mnt/xu4/etc/securetty
+# Work around Debian bug #825026.
+echo ledtrig-heartbeat >> /mnt/xu4/etc/modules
+
# Install GRUB, chainloaded from U-Boot via UEFI.
mount --bind /dev /mnt/xu4/dev
mount --bind /proc /mnt/xu4/proc
#! /bin/sh
set -e
-# Hack added by prepare.sh when building the root image,
+# Hack added by mkimage.sh when building the root image,
# to work around Debian bug #824399.
echo "echo 'Loading device tree ...'"
echo "devicetree /exynos5422-odroidxu4.dtb"
EOF
chmod 0755 /mnt/xu4/etc/grub.d/25_devicetree
-# Work around Debian bug #823552.
-sed -i 's/\(GRUB_CMDLINE_LINUX_DEFAULT=".*\)"/\1 loglevel=4"/' /mnt/xu4/etc/default/grub
-
# Now we can create the GRUB boot menu.
chroot /mnt/xu4 /usr/sbin/update-grub