config.boot.commandLineDtbNode can be set from `bootargs` to
`bootargs-override` (used for boards where the u-boot on the board does
set `bootargs` on its own).
In that case, the code updating the cmdline for tftpboot purposes also
needs to update this node, not the `bootargs` node.
Otherwise the kernel won't find the phram device, as it never heard
about it, as it didn't get the necessary cmdline options.
this is a bit of an experiment to reduce the copy-paste in
examples by turning them into "application" modules.
planning to follow up with another module for "wifi router"
OpenWRT had a DTB for the NWA50AX LEDs that I didn't pick up.
Anyway, we need to include our own special DTB for the NWA platform in general
to support A/B operations, because OpenWRT original one just mark everything else read-only.
Signed-off-by: Raito Bezarius <masterancpp@gmail.com>
This adds a simple boot blessing module, to be used, with the Zyxel NWA50AX.
There's a lot of elephant in the rooms: how do you upgrade kernel, etc.
Signed-off-by: Raito Bezarius <masterancpp@gmail.com>
This is a quite comprehensive example using maximally the hardware
available to reach nice performance.
In the future, I will even add RADIUS examples.
Signed-off-by: Raito Bezarius <masterancpp@gmail.com>
Zyxel "firmware" format is just… a FIT with some metadata on the models.
This FIT is like this:
--------------------------
uImage FIT header
--------------------------
Linux kernel
--------------------------
FDT DTB
--------------------------
Padding so that
this makes
8192kb [1]
--------------------------
UBI volume
as a root filesystem
--------------------------
We just reproduce this in a very brutal and naive way.
In the future, this seems worth to generalize and modularize this idea
so that zyxel-nwa-fit is just an instance of a more general output.
[1]: https://git.openwrt.org/?p=openwrt/openwrt.git;a=blob;f=target/linux/ramips/image/mt7621.mk;h=ab1b829ba0086cb9fc9ca8cbbf3cbc14735034d6;hb=refs/heads/main#l3097
Signed-off-by: Raito Bezarius <masterancpp@gmail.com>
