On 5/9/19 10:18 PM, Joe Hershberger wrote: > On Thu, May 9, 2019 at 3:01 PM Marek Vasut <marek.va...@gmail.com> wrote: >> >> On 5/9/19 8:56 PM, Joe Hershberger wrote: >>> On Wed, May 1, 2019 at 5:36 PM Marek Vasut <marek.va...@gmail.com> wrote: >>>> >>>> According to the R-Car Gen3 Hardware Manual Rev 1.50 of Nov 30, 2018, the >>>> TX clock internal delay mode isn't supported on R-Car E3 (r8a77990) or D3 >>>> (r8a77995). >>>> >>>> Avoid setting the APSR:TDM bit on these SoCs. Moreover, only set APSR:TDM >>>> when the DT explicitly specifies RGMII ID or TXID mode instead of setting >>>> it unconditionally when the PHY link speed is 1000 Mbit/s. >>> >>> We just ran into an issue with a very similar patch. It blocked my >>> tree being merged for a few months. Finally got to the bottom of it. >>> https://patchwork.ozlabs.org/patch/1096572/ >>> >>> Are you sure there are no boards depending on the broken DT, like the >>> 335-evm was? >> >> I cannot be sure, but the boards which are supported and tested work >> fine. If someone runs into any issue. they can raise them, and we'll >> solve the problem when we come to that bridge. > > The point that came up is that the DT is considered the ABI, so it > shouldn't break / change behavior. Just wanted to make sure you were > aware.
I am, but I still prefer for the ethernet to work correctly. -- Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
