> -----Original Message----- > From: Tom Zanussi [mailto:tom.zanu...@intel.com] > Sent: Saturday, September 22, 2012 9:40 PM > To: Sean Liming > Cc: yocto@yoctoproject.org > Subject: Re: [yocto] UEFI support for Crown Bay > > On Fri, 2012-09-21 at 23:11 -0700, Sean Liming wrote: > > > > > > Yocto=1.2 > > > > BSB = Crown Bay (Intel Atom Processor E660 with Intel Platform > > Controller Hub EG20T Development Kit) > > > > Target System= Inforce Computing, Inc. - SYS9400 Reference Platform - > > VGA output only. > > > > UEFI only no BIOS > > > > Base Image: core-image-minimal > > > > Hob used to build the image > > > > > > > > > > > > > > > > The target platform only has UEFI and doesn’t have traditional BIOS. I > > am able to re-configure the UEFI firmware using the BLDK application > > if needed. The Crown Bay BSP doesn’t include an efi loader > > (bootia32.efi) like Cedar Trail BSP in the live image (hddimg). If I > > add the EFI boot files from Cedar Trail live image, the USB flash disk > > presents the menu for boot or install. Upon selecting boot, I can see > > output on the serial console, but it eventually stops no output on the > > VGA monitor. I have attached the output from the serial port. > > > > > > > > 1. Is UEFI supported with Crown Bay BSP? Is there a flag that needs to > > be set like EFI = “1”? > > > > Hi, > > The Crown Bay BSP doesn't yet have EFI support - I added it earlier this year > but had some problems getting it to work. I just now updated it and tried > again but though I see the grub menu, selecting 'boot' also gets me a blank > screen, and I don't even get serial output. > > If you want to try it out for yourself and see if you get better results, > here's > the branch (the top 6 commits add efi support and some related cleanup): > > http://git.yoctoproject.org/cgit/cgit.cgi/meta-intel- > contrib/log/?h=tzanussi/crownbay-efi-v2 > > The current BSP can be found in the meta-intel repo in the meta-crownbay > directory (the README has some build instructions): > > http://git.yoctoproject.org/cgit/cgit.cgi/meta-intel/ > > http://git.yoctoproject.org/cgit/cgit.cgi/meta-intel/tree/meta-crownbay > > > Since you're using the Inforce Sys9400, though, I'm thinking that it might > make more sense to use the meta-sys940x BSP: > > http://git.yoctoproject.org/cgit/cgit.cgi/meta-intel/tree/meta-sys940x > > I see it already has efi support and so I think that's already been tested and > probably works (cc'ing Darren, the author of the sys940x and EFI expert who > actually added the EFI support recipes, etc). > > As for EMGD and X, the current BSPs should all be good to go - there was > some unrelated problems with X in the core which has been fixed, and at > least as far as the crownbay goes, I know it works as I tested it just > yesterday... > > Hope that helps, > > Tom > > Tom,
Thank you. I will get started trying them out. Regards, Sean Liming Annabooks Tel: 714-970-7523 / Cell: 858-774-3176 > > > > > > There seems to be discussions about this back in 2011: > > > > https://lists.yoctoproject.org/pipermail/yocto/2011-November/005806.ht > > ml > > > > http://lists.linuxtogo.org/pipermail/openembedded-core/2011- > November/0 > > 12972.html > > > > > > > > 2. Is it possible to setup serial console for Crown Bay? I tried the > > following flags from the n450 information: > > > > > > > > SYSLINUX_OPTS_atom-pc = "serial 0 115200" > > > > SERIAL_CONSOLE_atom-pc = "115200 ttyS0" > > > > APPEND_atom-pc = "console=ttyS0,115200 console=tty0" > > > > > > > > 3. There was some discussion about EMGD and X Windows issues and a > > possible fix. Where can I download the latest BSP to try out? > > > > > > > > > > > > Regards, > > > > > > > > Sean Liming > > > > Annabooks > > > > Tel: 714-970-7523 / Cell: 858-774-3176 > > > > > > > > > > _______________________________________________ > > yocto mailing list > > yocto@yoctoproject.org > > https://lists.yoctoproject.org/listinfo/yocto _______________________________________________ yocto mailing list yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/yocto