On Thu, Feb 25, 2016 at 08:52:47AM +0100, Krzysztof Adamski wrote: > On Mon, Feb 22, 2016 at 04:45:09PM +0100, LABBE Corentin wrote: > >Hello > > > >This is a RFC patch series for supporting ethernet of H3/A83T/A64 SoCs. > >For the moment, it is a bundle driver which handle: > >- The MAC driver > >- The internal PHY driver > >- The internal PHY clock driver > > > >I am sorry for the quality of this code, I dislike to release that at > >this state > >but for the moment I am blocked in every direction. > > > >For A64 I didnt have access to such hardware, but according to > >apritzel, the PHY need to be powered by the PMIC and for the moment > >there are no support for it. > >On my H3 (OPIPC) all basic functions works EXCEPT that frame > >transmition is never sent on the wire. > >On my A83T board (h8homlet), the PHY seems not powered. The PHY for > >this board is an AC200 (an Allwinner chip without any datasheet) > >accessible on the I2C bus. > > > >What need work ? > >- Finding why the internal PHY of the Orange PI PC does not send frame > >on the wire > > I don't think it's a PHY issue. I'm able to get some packets sent on the > wire: > - when doing ping from Orangepi PC, arp requests are seen on the other > end of cable but Opc won't get arp replies > - when doing arping from other end, I can get some replies from OPC > - wen doing broadcast ping from other end, I'm getting some repies from > OPC; the order of receiveing packages is wrong, times are high and > packages are lost but at least something is received > > All I did so far is to modify sun8i_emac_xmit so tha none of bits 12-28, > except bit 24, is set in ddesc->st (this seems to be the only bit set by > BSP kernel, after brief look). > > Best regards, > Krzysztof Adamski
Great thanks for this finding. I can confirm that now I can get ARP replies from my OPIPC. I will investigate the "lots of frame lost". But this undocumented bit does not explain why I can get only half duplex from PHY. Thanks Regards -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
