coreboot May 2017

coreboot@coreboot.org

70 participants
202 discussions

Lenovo T410 Coreboot
by A. Veek 14 Dec '18

14 Dec '18

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Re: [coreboot] No VGA output on e350m1 after flashing. what to do?
by Reiner Luett 12 Sep '17

12 Sep '17

Hi! On 30.06.2013 19:28, Christian Weinz wrote: > Maybe I didn't include the VGA option in the make menuconfig process. > How can I solve this problem? You need to add the VGA Option ROM (VGA BIOS -> Add VGA BIOS image). I've extracted it from the UEFI, but you also could use these: http://www.coreboot.org/index.php?title=ASRock_E350M1&oldid=11114 at the end of the page or you also may be able to use the default AMD fam14 (Persimmon) vbios. You will need to agree to the click through: http://wwwd.amd.com/support/vbioslic.nsf/userverify?openform http://www.coreboot.org/AMD_DB-FT1_PERSIMMON It's a pity, that bios_extract didn't work for now. You could use the AMI Aptio EFI MMTool with wine: http://win-lite.de/benutzer/fernando/BIOS-Tools/AMI_Aptio_EFI_MMTool_v4.50.… You need to extract OntarioEFIVbios with PCI ID 1002,9802 as Option ROM. Regards, Reiner --

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Re: [coreboot] How to improve the boot time of the Asus KGPE-D16?
by Daniel Kulesz 11 Aug '17

11 Aug '17

Hi, I wanted to try caching of the MRC training data. As described in Timothy's post, I commented the following line: > allow_config_restore = 0; However, I was not able to measure any effects regarding boot time. Does this setting only work with cbfs enabled? And if so, is it necessary to set additionally any cbfs variables? Cheers, Daniel P.S. Hope this time I've set the Reply-To header correctly. > On 03/02/2017 02:17 PM, Paul Menzel wrote: > > Dear Arthur, dear Timothy, > > > > > > Am Donnerstag, den 02.03.2017, 13:38 -0600 schrieb Timothy Pearson: > >> On 03/02/2017 01:30 PM, Arthur Heymans wrote: > >>> Paul Menzel writes: > >>> > >>>> I think most of the time is spent in RAM initialization. > >>>> > >>>> 1. Do board owners with similar amount of memory (independent of the > >>>> board) have similar numbers? > >>>> 2. What are the ways to improve that? Is it possible? For example, can > >>>> the modules be probed in parallel (if that isn?t done already)? > >>>> > >>> > >>> I'm not the right person to answer this since I don't know this > >>> code/hardware that well, but on modern Intel hardware native code uses > >>> the MRC cache to store dram training results and restore those on > >>> next boots (and resume from suspend) if no change in dimm configuration > >>> was detected. > >>> > >>> Maybe something like this could also be applied here (or maybe it's already > >>> the case since it includes code to access spi flash)? > >> > >> Yes, this is already implemented as an option, and it does a fairly > >> decent job of reducing training overhead to almost nothing, > > > > Interesting. What option is that? > > > > Also, besides the file `s3nv` I don?t see anything else in CBFS. Where > > is the training data cached? > > That's it. The cache is mandatory for S3 resume, and optional at boot. > > That being said, the pathways are present but are deactivated due to > historical instability and are not tied in to an nvram variable at this > time. If you want to test, you'll need to edit the source file > "src/northbridge/amd/amdmct/mct_ddr3/mct_d.c"; near line 2730 you'll see > a FIXME comment and this line: > > allow_config_restore = 0; > > Comment that line out and recompile to test. I strongly suggest running > memtest across multiple warm and cold boots (and reboots) before > determining the functionality is stable enough for use.

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Where to buy the KCMA-D8? *brand new*
by Taiidan＠gmx.com 09 Jun '17

09 Jun '17

Does anyone know? I have checked everywhere I can't find the accessories for the board family either (TPM etc) I would just get another KGPE-D16 but I want to make a router with one of the 35W C32 "EE" opterons and the retail price is a little cheaper. And does anyone know how much longer they are making the KGPE-D16? I wanna buy more before they stop (I could get arm or power, but I still need x86 to play video games) I suppose it is possible to port to another better available similar board like something from supermicro (H8DGI-way, way better specs, first released 2014) but I have no idea how complex that is.

2 1

Re: [coreboot] DediProg EM100Pro with Apollo Lake
by Andrey Petrov 06 Jun '17

06 Jun '17

Hi, On 05/31/2017 01:54 AM, Urs Ritzmann wrote: > What flash type were you emulating? I require a 1.8 Volt device with >= 128Mbit size. W25Q128FW, also 1.8v. What application do you use to drive em100? Official one from Dediprog or the open linux one? Also, what em100 firmware# you have, perhaps yours is old? Andrey

2 1

Current, BLOB free laptop available Europe?
by Paul Menzel 05 Jun '17

05 Jun '17

Dear coreboot folks, I am looking for a new portable device available in Europe. Is it true, that the Acer Chromebook R 13 [1], is the only current BLOB free device? The device currently costs 400 €. Is MediaTek “a good citizen”, that means, do they provide datasheets and work on drivers? The Samsung Chromebook Plus/Pro with RK3399 [2] are only available in the USA, right? Thanks, Paul [1] https://www.acer.com/ac/en/US/content/series/acerchromebookr13 [2] https://chromeunboxed.com/samsung-chromebook-pros-processor-rk3399-gets-ben…

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Seeking developer interviews for the Denver conference presentation
by Marc Jones 31 May '17

31 May '17

Hi coreboot devs, I'm seeking several people that wouldn't mind sharing a little about themselves to interviewed for a fun and informative presentation at the Denver conference. The ideal candidate is someone that has contributed to coreboot and maybe isn't able to attend the conference. Please contact me if you wouldn't mind answering a few questions, sending a selfie, and photo of your development setup. Regards, Marc -- http://marcjonesconsulting.com

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Re: [coreboot] What do each of the letters B...? , L...? , O...? , B...? represent in the acronym BLOB ?
by Jonathan Neuschäfer 31 May '17

31 May '17

On Wed, May 31, 2017 at 08:06:16AM +0000, Alberto Bursi wrote: > [...] (someone tried to create an acronym with a word used already) Also quoting wikipedia (but real dictionaries will agree or have more details), "A blob is a shapeless mass." (https://en.wikipedia.org/wiki/Blob) I think this definition transfers well to blobs in software, though. Without intrusive tools (a disassembler, etc.) you can't make out the structural details of a blob. Thanks, Jonathan

1 0

Re: [coreboot] DediProg EM100Pro with Apollo Lake
by Andrey Petrov 31 May '17

31 May '17

Hi On 05/30/2017 12:36 AM, Urs Ritzmann wrote: > Is there a way to disable Quad IO Read(0xEB) from the flash descriptor region? please try clearing bits 3 (Quad I/O Read Enable) and 2 (Quad Output Read Enable) at 0x108 offset. Andrey

2 1

Re: [coreboot] What do each of the letters B...? , L...? , O...? , B...? represent in the acronym BLOB ?
by John Lewis 31 May '17

31 May '17

I'm surprised anyone answered - you would think someone at a gnu address would already know what a BLOB is, and is therefore being rhetorical. :P On 31/05/17 09:16, Zoran Stojsavljevic wrote: > *BLOB*: *B*inary *L*arge *OB*ject. > > Zoran > > On Wed, May 31, 2017 at 9:57 AM, Don Saklad <dsaklad(a)gnu.org > <mailto:dsaklad@gnu.org>> wrote: > > What do each of the letters B...? , L...? , O...? , B...? represent in > the acronym BLOB ? > > > Paul Menzel <paulepanter(a)users.sourceforge.net > <mailto:paulepanter@users.sourceforge.net>> writes: > > [1:multipart/signed Hide] > > [1/1:text/plain Hide] > > Dear coreboot folks, > > I am looking for a new portable device available in Europe. > > Is it true, that the Acer Chromebook R 13 [1], is the only > current BLOB > > free device? The device currently costs 400 €. Is MediaTek “a good > > citizen”, that means, do they provide datasheets and work on > drivers? > > The Samsung Chromebook Plus/Pro with RK3399 [2] are only > available in > > the USA, right? > > Thanks, > > Paul > > [1] > https://www.acer.com/ac/en/US/content/series/acerchromebookr13 > <https://www.acer.com/ac/en/US/content/series/acerchromebookr13> > > [2] > https://chromeunboxed.com/samsung-chromebook-pros-processor-rk3399-gets-ben… > <https://chromeunboxed.com/samsung-chromebook-pros-processor-rk3399-gets-ben…> > > [1/2:application/pgp-signature Show Save:signature.asc (195B)] > > [2:text/plain Hide] > > -- > coreboot mailing list: coreboot(a)coreboot.org > <mailto:coreboot@coreboot.org> > https://mail.coreboot.org/mailman/listinfo/coreboot > <https://mail.coreboot.org/mailman/listinfo/coreboot> > > > >

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coreboot May 2017