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mvebu: Add turris-omnia.bootscript

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In contrast to the U-Boot version shipped with older versions of Turris
Omnia (CZ11NIC13, CZ11NIC20), the version shipped with Turris Omnia 2019
(CZ11NIC23) relies on the existence of /boot.scr.

Consequently, add a suitable boot script to the sysupgrade image.

Flash instructions for Turris Omnia 2019:
- Download openwrt-...-sysupgrade.img.gz, gunzip it, and copy the resulting
  .img file to the root of a USB flash drive (FAT32 or ext2/3/4).
- Enter a rescue shell: Either via 5-LED reset and ssh root@192.168.1.1
  on LAN port 4, or via 7-LED reset and the serial console.
- Insert the USB drive and mount it:
  mkdir /mnt; mount /dev/sda1 /mnt
- Flash the OpenWrt image to eMMC:
  dd if=/mnt/openwrt-...-sysupgrade.img of=/dev/mmcblk0 bs=4096 conv=fsync
- Reboot.

Flash instructions using a temporary "medkit" installation were written for
the older versions of Turris Omnia, and will *not* work on the Turris Omnia
2019.

Signed-off-by: Klaus Kudielka <klaus.kudielka@gmail.com>
Reviewed-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
Tested-by: W. Michael Petullo <mike@flyn.org> (Turris Omnia "2020")
This commit is contained in:
Klaus Kudielka 2019-12-23 08:34:49 +01:00 committed by Paul Spooren
parent 2b1d92f134
commit afd4375a33
2 changed files with 19 additions and 1 deletions
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3
target/linux/mvebu/image/cortexa9.mk
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@ -39,11 +39,12 @@ define Device/cznic_turris-omnia
wpad-basic-wolfssl kmod-ath9k kmod-ath10k-ct ath10k-firmware-qca988x-ct \
partx-utils kmod-i2c-mux-pca954x
IMAGES := $$(IMAGE_PREFIX)-sysupgrade.img.gz omnia-medkit-$$(IMAGE_PREFIX)-initramfs.tar.gz
IMAGE/$$(IMAGE_PREFIX)-sysupgrade.img.gz := boot-img | sdcard-img | gzip | append-metadata
IMAGE/$$(IMAGE_PREFIX)-sysupgrade.img.gz := boot-scr | boot-img | sdcard-img | gzip | append-metadata
IMAGE/omnia-medkit-$$(IMAGE_PREFIX)-initramfs.tar.gz := omnia-medkit-initramfs | gzip
IMAGE_NAME = $$(2)
SOC := armada-385
SUPPORTED_DEVICES += armada-385-turris-omnia
BOOT_SCRIPT := turris-omnia
endef
TARGET_DEVICES += cznic_turris-omnia

17
target/linux/mvebu/image/turris-omnia.bootscript Normal file
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@ -0,0 +1,17 @@
# Determine root device
setexpr rootpart ${distro_bootpart} + 1
if test ${devtype} = mmc -a ${devnum} = 0; then
setenv rootdev /dev/mmcblk0p${rootpart}
elif test ${devtype} = scsi -a ${devnum} = 0; then
setenv rootdev /dev/sda${rootpart}
else
# New U-Boot only
part uuid ${devtype} ${devnum}:${rootpart} uuid
setenv rootdev PARTUUID=${uuid}
fi
setenv bootargs earlyprintk console=ttyS0,115200 root=${rootdev} rootfstype=auto rootwait
# Load and boot
load ${devtype} ${devnum}:${distro_bootpart} ${fdt_addr_r} @DTB@.dtb
load ${devtype} ${devnum}:${distro_bootpart} ${kernel_addr_r} zImage
bootz ${kernel_addr_r} - ${fdt_addr_r}