From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Horman Date: Wed, 27 Aug 2014 08:08:32 +0000 Subject: Re: Armadillo800EVA legacy defconfig seems busted on my board Message-Id: <20140827080831.GC5936@verge.net.au> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sh@vger.kernel.org On Wed, Aug 27, 2014 at 08:39:16AM +0200, Geert Uytterhoeven wrote: > Hi Simon, Magnus, > > On Wed, Aug 27, 2014 at 1:12 AM, Simon Horman wrote: > >> > Working fine here with both a 100 Mbps or a Gbps switch. > >> > Gether is supposed to be gigabit, but I only get 100 Mbps. > >> > Ethtool tells me only 10 or 100 Mbps are available? > >> > > >> > What kind of switch do you need? What doesn't work? > >> > >> A shitty semi-managed Netgear Gigabit switch in Autonegotiation does > >> not work, however switching to a different unmanaged Netgear Gigabit > >> switch makes it work. So now i have a 5-port Gigabit switch hooked up > >> in between. > >> > >> I suspect it to be some issue related to PHY settings in the boot loader. > > > > That would not surprise me. > > > > I noticed that I had to turn off spanning tree on the switch my Armadillo is > > connected to else link negotiation would timeout before spanning tree > > completed and thus the link would never come up. This was not a particularly > > crappy switch and my personal view is that the Ethernet situation on the > > boot loader on my Armadillo is less than ideal. > > Does it link at Gigabit speed (under Linux), or only 100 Mbps? 100Mbps. IIRC this is a hardware limitation of the board. Perhaps the PHY. But I only have a very vague memory of a conversation about that.