https://forum.armbian.com/topic/3252-opi-zero-boot-with-spi/- orange pi zero
- 512 MByte version
- ** with SPI memory **
- usb pen drive or disk with usb adapter
> uname -a
Linux radio 4.14.12-sunxi #1 SMP Tue Jan 9 13:53:33 UTC 2018 armv7l GNU/Linux# prepare sd card for boot on your linux computer
cd /tmp
curl -k -L https://dl.armbian.com/orangepizero/Debian_stretch_next.7z
7z e Debian_stretch_next.7z
# the archive Dabian_strech_next.7z contains Armbian_5.75_Orangepizero_Debian_stretch_next_4.19.20.img
sudo dd if=Armbian_5.75_Orangepizero_Debian_stretch_next_4.19.20.img of=/dev/mmcblk0 bs=1M status=progress | sync
sync
# boot with this sd card your orange pi zero- pin layout look on the board near the pins
# serial modem on /dev/ttyUSB0
sudo minicom -s -D /dev/ttyUSB0 -b 115200 --color=onfirst freeze the kernel packages the package not anytime updated
-via armbian-config
-or via cli
sudo apt-mark hold linux-dtb-next-sunxi
sudo apt-mark hold linux-image-next-sunxi
sudo apt-mark hold linux-stretch-root-next-orangepizero
sudo apt-mark hold linux-u-boot-orangepizero-next- un hold
sudo apt-mark unhold linux-dtb-next-sunxi
sudo apt-mark unhold linux-image-next-sunxi
sudo apt-mark unhold linux-stretch-root-next-orangepizero
sudo apt-mark unhold linux-u-boot-orangepizero-next- display packages on hold
dpkg --get-selections |awk '$2 == "hold" { print $1 }'Important this follow step must you do onces per board or for update uboot, this is not necessary you want update your usb device
PLEASE BE SURE you have a OPI zero with a spi ic :-) Some version came w/o spi
sudo apt update && sudo apt upgrade && sudo apt autoremove
sudo apt-get install flashrom- edit in file /boot/armbianEnv.txt and add spi-spidev AND param_spidev_spi_bus=0
# edit by hand
overlays=analog-codec usbhost2 usbhost3 spi-spidev
param_spidev_spi_bus=0- with bash script
ARMBIAN_ENV_FILE="/boot/armbianEnv.txt"
if sudo grep spi-spidev $ARMBIAN_ENV_FILE; then
echo "[ok] found spi-spidev"
else
echo "[missing] NOT found spi-spidev"
echo "[todo] add spi-spidev"
sudo sed -i '/overlays=/s/$/ spi-spidev/' $ARMBIAN_ENV_FILE
echo "param_spidev_spi_bus=0"|sudo tee -a $ARMBIAN_ENV_FILE
fi- sample /boot/armbianEnv.txt file from working device
verbosity=1
logo=disabled
console=both
disp_mode=1920x1080p60
overlay_prefix=sun8i-h3
overlays=usbhost2 usbhost3
rootdev=UUID=84168f41-20b8-4905-9021-54488d09dc33
rootfstype=ext4
overlays=analog-codec usbhost2 usbhost3 spi-spidev
param_spidev_spi_bus=0
usbstoragequirks=0x2537:0x1066:u,0x2537:0x1068:usudo shutdown -Fh now
# unplug/plug the power adapter and start againAFTER THE COLD REBOOT should you see the spi device under /dev
>ls -l /dev/spidev0.0
crw------- 1 root root 153, 0 Nov 10 21:17 /dev/spidev0.0# create empty image
sudo dd if=/dev/zero count=2048 bs=1K | tr '\000' '\377' > spi.img
# ATTENTION in some tutorial used the size 4096k BUT in the some OPI zero board are only a 2048K
# We need only 537k space for the u-boot image in this case
# write/copy u-boot in spi image
# this file is already of the images/sd card
# only the version number is depend from the armbian version
# e.g. sudo dd if=/usr/lib/linux-u-boot-next-orangepizero_5.65_armhf/u-boot-sunxi-with-spl.bin of=spi.img bs=1k conv=notrunc
ARMBIAN_VERSION=$(grep VERSION /etc/armbian-release|sed 's/.*=//g')
echo $ARMBIAN_VERSION
sudo dd if=/usr/lib/linux-u-boot-next-orangepizero_${ARMBIAN_VERSION}_armhf/u-boot-sunxi-with-spl.bin of=spi.img bs=1k conv=notrunc
# flash the image to spi rom
sudo flashrom -p linux_spi:dev=/dev/spidev0.0 -w spi.img -c MX25L1605A/MX25L1606E/MX25L1608E# install Armbian on usb stick, pendisk or disk
# follow instruction inside the menu default value is a good choice
# DON'T REBOOT the device last step in the dialog
sudo nand-sata-install
# mount the pendrive/stick
sudo mount /dev/sda1 /mnt
# copy (overwrite) the /boot directory
sudo cp -a /boot /mnt
# edit /mnt/boot/boot.cmd and set the rootdev from usb device
setenv rootdev "/dev/sda1"
# create a new boot.scr on the boot device
sudo mkimage -C none -A arm -T script -d /mnt/boot/boot.cmd /mnt/boot/boot.scr
# save /mnt/etc/fstab
sudo cp /mnt/etc/fstab /mnt/etc/fstab_save
# edit /mnt/etc/fstab and uncomment all line with /media/mmcboot
sudo sed -i '/mmcboot/s/^/#/' /mnt/etc/fstab
# and ADD the the boot partition to /mnt/etc/fstab
printf "UUID=%s\t/\t%s\tdefaults,noatime,nodiratime,commit=600,errors=remount-ro,x-gvfs-hide\t0\t1" $(sudo blkid /dev/sda1 -o value -s UUID) $(sudo blkid /dev/sda1 -o value -s TYPE)|sudo tee -a /mnt/etc/fstab
- the first 100 byte of the spi.img must the same as the u-boot-sunxi-with-spl.bin
>hexdump -C -n100 spi.img
00000000 16 00 00 ea 65 47 4f 4e 2e 42 54 30 d5 5b 4c 75 |....eGON.BT0.[Lu|
00000010 00 60 00 00 53 50 4c 02 00 00 00 00 00 00 00 00 |.`..SPL.........|
00000020 2c 00 00 00 00 00 00 00 00 00 00 00 73 75 6e 38 |,...........sun8|
00000030 69 2d 68 32 2d 70 6c 75 73 2d 6f 72 61 6e 67 65 |i-h2-plus-orange|
00000040 70 69 2d 7a 65 72 6f 00 00 00 00 00 00 00 00 00 |pi-zero.........|
00000050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00000060 0f 00 00 ea |....|
> hexdump -C -n100 /usr/lib/linux-u-boot-next-orangepizero_5.65_armhf/u-boot-sunxi-with-spl.bin
00000000 16 00 00 ea 65 47 4f 4e 2e 42 54 30 d5 5b 4c 75 |....eGON.BT0.[Lu|
00000010 00 60 00 00 53 50 4c 02 00 00 00 00 00 00 00 00 |.`..SPL.........|
00000020 2c 00 00 00 00 00 00 00 00 00 00 00 73 75 6e 38 |,...........sun8|
00000030 69 2d 68 32 2d 70 6c 75 73 2d 6f 72 61 6e 67 65 |i-h2-plus-orange|
00000040 70 69 2d 7a 65 72 6f 00 00 00 00 00 00 00 00 00 |pi-zero.........|
00000050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00000060 0f 00 00 ea |....|- after flashrom write can you reread the image back and compare
# read spi rom to img file
>sudo flashrom -p linux_spi:dev=/dev/spidev0.0 -r spi_read.img -c MX25L1605A/MX25L1606E/MX25L1608E- the hexdump of the spi_read.img must the same as the spi.img
- check e,g, with md5sum and other checksum methods
>md5sum spi.img
c61f5c3823f1752d59505148ce90ae89 spi.img
>md5sum spi_read.img
c61f5c3823f1752d59505148ce90ae89 spi_read.img- if the reread images is only collection of null repeat all step in prepare spi for boot
- WRONG WRITING OR WRITING WITHOUT COPY THE UBOOT.BIN
>hexdump -C -n100 spi_read.img
00000000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|- Warning: Chip content is identical to the requested image. give you a hint of any error
shutdown -Fh now
# unplug the power adapter
# remove the sd card
# start the device hopeful boot from spi/usb pendrive- delete the u-boot image in the spi memory
# erase
sudo flashrom -p linux_spi:dev=/dev/spidev0.0 -E -c MX25L1605A/MX25L1606E/MX25L1608E
# check it empty
sudo flashrom -p linux_spi:dev=/dev/spidev0.0 -r spi_read.img -c MX25L1605A/MX25L1606E/MX25L1608E
hexdump -C -n100 spi_read.img
00000000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
# you should see a collection of null- now should we boot from sd card again