added uboot
This commit is contained in:
Benjamin Böhmke
3
resources/boot.cmd
Normal file
3
resources/boot.cmd
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@ -0,0 +1,3 @@
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fdt addr ${fdt_addr} && fdt get value bootargs /chosen bootargs
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ext4load mmc 0:2 ${kernel_addr_r} /boot/uImage
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bootm ${kernel_addr_r} - ${fdt_addr}
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@ -72,7 +72,6 @@ apk --root ${ROOTFS_PATH} --update-cache --initdb --arch armhf add $BASE_PACKAGE
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# add google DNS to enable network access inside chroot
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echo "nameserver 8.8.8.8" > ${ROOTFS_PATH}/etc/resolv.conf
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# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
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echo ">> Configure root FS"
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@ -139,8 +138,15 @@ chmod +x ${ROOTFS_PATH}/etc/local.d/90-resizedata.start
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# mount data and boot partition (root is already mounted)
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cat >${ROOTFS_PATH}/etc/fstab <<EOF
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/dev/mmcblk0p1 /boot vfat defaults,ro 0 2
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/dev/mmcblk0p3 /data ext4 defaults 0 1
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/dev/mmcblk0p1 /uboot vfat defaults,ro 0 2
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/dev/mmcblk0p4 /data ext4 defaults 0 1
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proc /proc proc defaults 0 0
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sysfs /sys sysfs defaults 0 0
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devpts /dev/pts devpts gid=4,mode=620 0 0
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tmpfs /dev/shm tmpfs defaults 0 0
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tmpfs /tmp tmpfs defaults 0 0
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tmpfs /run tmpfs defaults 0 0
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EOF
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# custom
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@ -152,6 +158,12 @@ rm -rf ${ROOTFS_PATH}/var/cache/apk/*
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# TODO /etc/motd
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# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
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echo ">> Prepare kernel for uboot"
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# build uImage
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mkimage -A arm -O linux -T kernel -C none -a 0x00008000 -e 0x00008000 -n "Linux kernel" -d ${ROOTFS_PATH}/boot/vmlinuz-rpi2 ${ROOTFS_PATH}/boot/uImage
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# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
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# create boot FS
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@ -164,16 +176,31 @@ mkdir -p ${BOOTFS_PATH}
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wget -P ${BOOTFS_PATH} https://github.com/raspberrypi/firmware/raw/master/boot/bootcode.bin
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wget -P ${BOOTFS_PATH} https://github.com/raspberrypi/firmware/raw/master/boot/fixup.dat
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wget -P ${BOOTFS_PATH} https://github.com/raspberrypi/firmware/raw/master/boot/fixup_cd.dat
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wget -P ${BOOTFS_PATH} https://github.com/raspberrypi/firmware/raw/master/boot/fixup_db.dat
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wget -P ${BOOTFS_PATH} https://github.com/raspberrypi/firmware/raw/master/boot/fixup_x.dat
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wget -P ${BOOTFS_PATH} https://github.com/raspberrypi/firmware/raw/master/boot/fixup4.dat
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wget -P ${BOOTFS_PATH} https://github.com/raspberrypi/firmware/raw/master/boot/fixup4cd.dat
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wget -P ${BOOTFS_PATH} https://github.com/raspberrypi/firmware/raw/master/boot/fixup4db.dat
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wget -P ${BOOTFS_PATH} https://github.com/raspberrypi/firmware/raw/master/boot/fixup4x.dat
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wget -P ${BOOTFS_PATH} https://github.com/raspberrypi/firmware/raw/master/boot/start.elf
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wget -P ${BOOTFS_PATH} https://github.com/raspberrypi/firmware/raw/master/boot/start_cd.elf
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wget -P ${BOOTFS_PATH} https://github.com/raspberrypi/firmware/raw/master/boot/start_db.elf
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wget -P ${BOOTFS_PATH} https://github.com/raspberrypi/firmware/raw/master/boot/start_x.elf
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wget -P ${BOOTFS_PATH} https://github.com/raspberrypi/firmware/raw/master/boot/start4.elf
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wget -P ${BOOTFS_PATH} https://github.com/raspberrypi/firmware/raw/master/boot/start4cd.elf
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wget -P ${BOOTFS_PATH} https://github.com/raspberrypi/firmware/raw/master/boot/start4db.elf
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wget -P ${BOOTFS_PATH} https://github.com/raspberrypi/firmware/raw/master/boot/start4x.elf
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# copy linux kernel and overlays
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# copy linux kernel and overlays to boot
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cp ${ROOTFS_PATH}/usr/lib/linux-*-rpi2/*.dtb ${BOOTFS_PATH}/
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cp -r ${ROOTFS_PATH}/usr/lib/linux-*-rpi2/overlays ${BOOTFS_PATH}/
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cp ${ROOTFS_PATH}/boot/initramfs-rpi2 ${BOOTFS_PATH}/
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cp ${ROOTFS_PATH}/boot/vmlinuz-rpi2 ${BOOTFS_PATH}/
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# copy u-boot
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cp /uboot/* ${BOOTFS_PATH}/
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# generate boot script
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mkimage -A arm -T script -C none -n "Boot script" -d ${RES_PATH}/boot.cmd ${BOOTFS_PATH}/boot.scr
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# write boot config
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cat >${BOOTFS_PATH}/config.txt <<EOF
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@ -189,22 +216,27 @@ hdmi_mode=1
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hdmi_mode=87
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hdmi_cvt 800 480 60 6 0 0 0
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kernel=u-boot_rpi1.bin
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[pi0w]
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kernel=u-boot_rpi0_w.bin
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[pi2]
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kernel=vmlinuz-rpi2
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initramfs initramfs-rpi2
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kernel=u-boot_rpi2.bin
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[pi3]
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kernel=vmlinuz-rpi2
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initramfs initramfs-rpi2
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kernel=u-boot_rpi3.bin
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[pi4]
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kernel=u-boot_rpi4.bin
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[all]
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include usercfg.txt
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enable_uart=1
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EOF
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cat >${BOOTFS_PATH}/cmdline.txt <<EOF
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console=serial0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 fsck.repair=yes rw rootwait quiet
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EOF
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# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
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@ -224,8 +256,8 @@ echo ">> Create SD card image"
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# boot partition
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cat >${WORK_PATH}/genimage_boot.cfg <<EOF
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image boot.vfat {
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name = "boot"
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vfat {
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label = "boot"
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}
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size = 32M
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}
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@ -235,8 +267,8 @@ make_image ${BOOTFS_PATH} ${WORK_PATH}/genimage_boot.cfg
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# root partition
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cat >${WORK_PATH}/genimage_root.cfg <<EOF
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image rootfs.ext4 {
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name = "root"
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ext4 {
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label = "rootfs"
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}
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size = 150MB
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}
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@ -246,8 +278,8 @@ make_image ${ROOTFS_PATH} ${WORK_PATH}/genimage_root.cfg
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# data partition
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cat >${WORK_PATH}/genimage_data.cfg <<EOF
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image datafs.ext4 {
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name = "data"
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ext4 {
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label = "data"
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}
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size = 20MB
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}
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@ -266,7 +298,11 @@ image sdcard.img {
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image = "boot.vfat"
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}
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partition rootfs {
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partition rootfs_a {
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partition-type = 0x83
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image = "rootfs.ext4"
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}
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partition rootfs_b {
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partition-type = 0x83
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image = "rootfs.ext4"
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}
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@ -18,11 +18,8 @@ esac
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LAST_PART_NUM=$(parted /dev/${ROOT_DEV} -ms unit s p | tail -n 1 | cut -f 1 -d:)
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LAST_PART="${ROOT_DEV}p${LAST_PART_NUM}"
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# unmount if mounted
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if grep -qs "/dev/${LAST_PART}" /proc/mounts; then
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umount /dev/${LAST_PART}
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fi
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# unmount last partition
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umount /dev/${LAST_PART}
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# Get the starting offset of last partition
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PART_START=$(parted /dev/${ROOT_DEV} -ms unit s p | grep "^${LAST_PART_NUM}" | cut -f 2 -d: | sed 's/[^0-9]//g')
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@ -60,4 +57,4 @@ partprobe /dev/${ROOT_DEV} &&
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mount -a
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rm -f /etc/local.d/90-resizedata.start
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chmod -x /etc/local.d/90-resizedata.start
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