OrangePi NanoPi R1 sunxi H3 Building OpenWrt 21 Boot From SPI Flash (Part 2)
00:00 Downlaod and install OpenWrt stock image to SD card
01:04 Edit dtb and add spi flash node and partitions
07:03 Save spi flash images to SD card
08:15 write spi flash images to SPI Flash using mtd commands
11:07 OpenWrt Booting from spi flash ...
Note:
if you got errors shown below , check kernel_menuconfig settings if MTD lines exist
make kernel_menuconfig then "/" press & search mtd configs line by line if they are checked.
VFS: Cannot open root device "(null)" or unknown-block(0,0): error -6
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)