Cool,
If I can get this to work without the additional I/O hardware that's
coming, I'll give that a go.
Tony
On Mon, Oct 17, 2016 at 9:31 AM, Andreas Färber
Am 16.10.2016 um 00:00 schrieb Andreas Färber:
Note that there is no .dts file for the Pi Zero in the v4.7 kernel: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/arch/arm... Only v4.9 will have it. Not sure how our U-Boot version handles that. Can you press a key to get a U-Boot prompt, then enter "printenv fdtfile" and share the output?
U-Boot> printenv fdtfile fdtfile=bcm2835-rpi-zero.dtb
bcm2835-rpi-zero.dtb doesn't exist in dtb-bcm2835 4.7, leading to:
libfdt fdt_check_header(): FDT_ERR_BADMAGIC
before it enters GRUB with my modified image or runs our boot.scr with the official image.
The workaround then is very easy:
a) Interrupt U-Boot and manually load an existing .dtb file:
load mmc 0:2 $fdt_addr_r dtb/bcm2835-rpi-b-plus.dtb
or with my experimental GRUB based image boot/dtb/bcm2835-rpi-b-plus.dtb
b) Create a bcm2835-rpi-zero.dtb symlink to that file:
cd /boot/dtb ln -s bcm2835-rpi-b-plus.dtb bcm2835-rpi-zero.dtb
This step may need to be repeated after zypper up/dup installs new dtb-bcm2835 packages.
If you create the symlink on your host, you can skip step a).
Eh voilà, you get a booting Tumbleweed system.
Regards, Andreas
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