On Mon, Jul 29, 2019 at 10:04 AM Simon Horman
<[email protected]> wrote:
> * According to the R-Car Gen3 Hardware Manual Errata for Rev 1.00 of
> August 24, 2018, the TX clock internal delay mode isn't supported
> on R-Car E3 (r8a77990) and D3 (r8a77995).
>
> * TX clock internal delay mode is required for reliable 1Gbps communication
> using the KSZ9031RNX phy present on the Ebisu and Draak boards.
>
> Thus, the E3 based Ebisu and D3 based Draak boards can not reliably
> use 1Gbps and the speed should be limited to 100Mbps.
>
> Based on work by Kazuya Mizuguchi.
>
> Signed-off-by: Simon Horman <[email protected]>
Thanks, queuing in renesas-devel for v5.4.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
