On Tue, 11 Aug 2020 16:08:09 +0100 Russell King - ARM Linux admin <li...@armlinux.org.uk> wrote:
> On Tue, Aug 11, 2020 at 12:06:41AM +0200, Marek Behún wrote: > > Hi Russell, > > > > this series should apply on linux-arm git repository, on branch > > clearfog. > > > > Some internet providers are already starting to offer 2.5G copper > > connectivity to their users. On Turris Omnia the SFP port is capable > > of 2.5G speed, so we tested some copper SFP modules. > > > > This adds support to the SFP subsystem for 10G RollBall copper > > modules which contain a Marvell 88X3310 PHY. By default these > > modules are configured in 10GKR only mode on the host interface, > > and also contain some bad information in EEPROM (the extended_cc > > byte). > > Are you sure they are 10GBASE-KR, and not 10GBASE-R ? Please send me > the contents of MMD 31 register 0xf001. Also knowing MMD 1 registers > 2 and 3 would be useful to confirm exactly which version of the PHY > has been used. > > Thanks. > Russell, sorry, I meant 10gbase-r mode, this was a typo. I don't know if the PHY supports 10gbase-kr.