Thanks Martin! We probably missed something in the muxing setting. Looking forward to your patch.
By the way, I also have started looking into the eMMC4.5. I do have it enabled in fsp and device tree, but it does not seem to work. lspci does not list eMMC device either. Is it currently supported in coreboot? - should I start a new thread on this topic? Thanks, Wen -----Original Message----- From: Martin Roth [mailto:martin.r...@se-eng.com] Sent: Thursday, August 7, 2014 11:08 AM To: Wen Wang; 'Julien Snell'; coreboot@coreboot.org Subject: Re: [coreboot] Baytrail SD card interface Wen, I'll push a patch for the muxing - I'd been meaning to do this and just got behind. I don't believe that SeaBIOS yet supports boot from SD (without a USB translator). Sage pushed a preliminary patch supporting SD boot on specific platforms to the SeaBIOS mailing list a while back, but I don't believe that worked on Bay Trail, and I don't believe that any additional work has been done on the patches since then. The thread starts here: http://www.coreboot.org/pipermail/seabios/2014-June/008105.html Here's a link to the patch: http://www.seabios.org/pipermail/seabios/attachments/20140611/32c1a351/attac hment-0001.gz Hi Julien, Were those boards using Bay Trail and booting coreboot / SeaBIOS? I'm assuming you just meant that SD boot works in general. Martin On 08/07/2014 08:16 AM, Wen Wang wrote: > Julien, > > Thanks much for the information! We must have missed something. For > SD card, we have SD enabled in fsp, and the GPIO mux configured in > coreboot. Is there anything else we need to do? Did you have to do anything in seabios? > > Thanks, > > Wen > > > > -----Original Message----- > From: Julien Snell [mailto:juliensn...@cc-e.co.uk] > Sent: Thursday, August 7, 2014 3:34 AM > To: Wen Wang; coreboot@coreboot.org > Subject: Re: [coreboot] Baytrail SD card interface > > Wen, > > SD Card , SD Card Boot work. We have designed several Boards with SD > Card Boot. > Although I would recommend USB3 Boot as it's a magnitude faster. > > Regards > Julien Snell > Cocom > www.cc-e.co.uk > > Cocom design and manufacture internet connected devices (IoT) > Introducing two new brands Mi-ProtoPCB, UK made lightning fast > assembled PCB proto-types and Mi-Embedded, your very own customised embedded board. > > -----Original Message----- > From: coreboot [mailto:coreboot-boun...@coreboot.org] On Behalf Of Wen > Wang > Sent: 06 August 2014 20:45 > To: coreboot@coreboot.org > Subject: [coreboot] Baytrail SD card interface > > Hello all, > > Does the current baytrail fsp coreboot code support SD/uSD card interface? > Is anybody able to get it to work on Bayley Bay CRB? It does not seem > to work on our CRB. We checked the SD3_PWREN signal, it always remains > high and therefore the SD card doesn't get any power. > > Thanks, > > Wen > > > -- > coreboot mailing list: coreboot@coreboot.org > http://www.coreboot.org/mailman/listinfo/coreboot > > > > -- coreboot mailing list: coreboot@coreboot.org http://www.coreboot.org/mailman/listinfo/coreboot