[PATCH v2 0/9] Resurrect OpenWrt IXP4xx support

[Jonas Gorski]

Hi,

On Thu, 28 Sept 2023 at 15:29, Linus Walleij <linus.walleij at linaro.org> wrote:
>
> XP4xx was deleted because of lack of maintenance in 2020.
>
> In the years since, the upstream Linux support for IXP4xx has
> been rewritten from scratch. It is now pretty well supported
> using device tree and modern subsystems that didn't exist
> 20 years ago when the first IXP4xx port was done.
>
> With the switch to kernel v6.1, OpenWrt has the required
> baseline to bring IXP4xx back.
>
> With the (suspiciously similarly named!) IPQ4xxx now supporting
> v6.1 exclusively, the door should be open for IXP4xx!
>
> This is a reimplementation of the IXP4xx support which is
> using all the contemporary abstractions, the only thing
> actually resurrected is the APEX boot loader. The port is
> thus "slim" and not patching a lot on the mainline kernel
> as pretty much everything is upstream.
>
> As a starter, we bring back two Gateworks reference designs,
> one for IXP42x and one for IXP43x, and the classic NSLU2
> NAS. We also bring back USRobotics USR8200 because it has
> active users and testers.
>
> Here you find binaries and illustrations if you want to check
> out how the support works right now, if you have an NSLU2
> you can flash the binary and rootfs and it "just works",
> though NSLU2 is not a default build:
> https://dflund.se/~triad/krad/ixp4xx/
>
> Thanks to Imre Kaloz add Krzysztof Halasa for all cheering
> and reference designs :)
>
> Thanks to Howard Harte and Joseph for stepping in and helping
> out with device support and debugging.
>
> Thanks for Hauke for the the in-depth review of the v1
> patch set.
>
> I am pretty confident that we can bring back any IXP4xx with
> this, they just need some time and focus. I will add more
> routers as time permits.
>
> I don't know who can import this from patches or pull request:
> it may be best if I just apply for commit access to the
> OpenWrt git repository and import it myself perhaps?

Fails to build for me when enabling all kmods:

Package kmod-crypto-lib-chacha20poly1305 is missing dependencies for
the following libraries:
chacha-neon.ko
poly1305-arm.ko
make[3]: *** [modules/crypto.mk:570:
/home/jonas/git/openwrt/bin/targets/ixp4xx/generic/packages/kmod-crypto-lib-chacha20poly1305_6.1.55-1_armeb_xscale.ipk]
Error 1

.config:
CONFIG_TARGET_ixp4xx=y
CONFIG_ALL_KMODS=y

Best Regards,
Jonas