On Thu, 2013-05-16 at 06:24 +0000, Xie Shaohui-B21989 wrote: > Hi, Ben, > > Since the p5020ds you tested is a rev1 chip, I think the most possibility > that SATA not work > is due to a SATA erratum, which is fixed in rev1.1, we have a policy that > patches for errata that > are present only on early silicon revisions, typically only rev1 silicon will > not send upstream. > You can find the patch at below link: > http://git.freescale.com/git/cgit.cgi/ppc/sdk/linux.git/commit/?id=b79a8a0528b8a0008cb76f339806b1200b5d8f63
Well, the chip I have is rev1... since I'm the maintainer I might pull a "Linus" and just apply the damn patch to make it work for me :-) Though I'm being told that a rev2 chip is on its way to me ... I'll wait a few more days see if that arrives. Cheers, Ben. > Since it is not sent to upstream, it may need to be rebased if apply it to > latest tree. > > Also there might be another issue(SATA & USB) if you test 64 bit kernel on > p5020ds with DRR > 4G, we have a patch > Sent to upstream, but not accepted yet. Link as below: > http://patchwork.ozlabs.org/patch/179828/ > > There are online documents of SDK, for the p5020ds hardware please see the > link: > http://www.freescale.com/infocenter/index.jsp?topic=%2FQORIQSDK%2F2989554.html > > > Best Regards, > Shaohui Xie > > -----Original Message----- > > From: Benjamin Herrenschmidt [mailto:b...@kernel.crashing.org] > > Sent: Thursday, May 16, 2013 12:48 PM > > To: Liu Qiang-B32616; Xie Shaohui-B21989; Fleming Andy-AFLEMING > > Cc: linuxppc-dev@lists.ozlabs.org; Kumar Gala > > Subject: SATA FSL and upstreaming > > > > Hi folks ! > > > > So I was trying to use my 5020ds to test some stuff today. Since I hadn't > > used it in a while, I decided to "upgrade" it to the latest NOR etc... > > > > Interestingly I discovered that the SATA (which was supposedly dead on > > the rev1 chip) was actually working with the SDK kernel, while it's still > > completely busted upstream. > > > > A quick git compare shows about 5 or 6 commits in the SDK tree, some as > > old as 2011, fixing various erratas in that chip, that never made their > > way upstream. > > > > Any reason for that ? Being GPL, I can submit them to Tejun myself but it > > would be better form if you guys did :-) > > > > BTW. Also what's the status with getting the network working upstream ? > > Even if sub-standard the code could at least go into staging... > > > > Cheers, > > Ben. > > > > > _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
