On Wed, Jul 17, 2019 at 02:24:51PM +0100, Kieran Bingham wrote: > Hi Simon, > > On 17/07/2019 13:57, Simon Horman 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 reliably use 1Gbps and > > the speed should be limited to 100Mbps. > > I believe you might mean 'can not' reliable use 1Gbps here :-) Yes, indeed. Thanks for noticing.
