Aw: Re: [PATCH v2 0/7] rockchip: rk3568: Fix use of PCIe bifurcation

[Frank Wunderlich]

Hi,

> Gesendet: Sonntag, 01. Oktober 2023 um 21:11 Uhr
> Von: "Sebastian Reichel" <sebastian.reichel at collabora.com>
> An: "Jonas Karlman" <jonas at kwiboo.se>
> Cc: "Kever Yang" <kever.yang at rock-chips.com>, "Simon Glass" <sjg at chromium.org>, "Philipp Tomsich" <philipp.tomsich at vrull.eu>, "Eugen Hristev" <eugen.hristev at collabora.com>, "Jon Lin" <jon.lin at rock-chips.com>, "FUKAUMI Naoki" <naoki at radxa.com>, "John Clark" <inindev at gmail.com>, u-boot at lists.denx.de
> Betreff: Re: [PATCH v2 0/7] rockchip: rk3568: Fix use of PCIe bifurcation
>
> Hi,
>
> On Wed, Sep 27, 2023 at 06:07:59PM +0000, Jonas Karlman wrote:
> > Above works with this series in U-Boot and also in mainline linux. Not
> > sure the RK3588 bifurcation part of driver have been verified on real HW,
> > rk3588 boards available for testing have typicality not used bifurcation.
>
> Upstream kernel bifurcation code looks ok to me. It's quite different
> from Rockchip vendor implementation, which might have confused Kever.
> I also missed this when having a quick look initially. As you said
> Rock 5A, Rock 5B and EVB1 do not use bifurcation, so no testing happened
> on our side.

my Bananapi R2Pro (rk3568) uses bifurcation and it is working in mainline Linux, but not yet in uboot.

posted my test-results here:
https://patchwork.ozlabs.org/project/uboot/patch/20230918173624.31464-1-linux@fw-web.de/#3183519

regards Frank