Hi Piotr, On Mon, May 11, 2020 at 4:02 PM Piotr Król <[email protected]> wrote: > > On 3/13/20 11:23 AM, Angel Pons wrote: > > Hi, > > > > On Thu, Mar 12, 2020 at 11:07 AM Michal Zygowski > > <[email protected]> wrote: > >> > >> Hi, > >> > >> it may also be a Cedarview chipset. According to my knowledge there is > >> no support for Cedarview chipset in coreboot. However coreboot has > >> slightly older (1 year older) chipset support - Pineview. > > > > Pineview is very different, though. Memory initialization for Pineview > > resembles that of Eaglelake (src/northbridge/intel/x4x). Although it > > only has one memory channel, the registers in MCHBAR are very similar. > > > > On the other hand, Cedarview's internal architecture differs radically > > from Pineview, and it is actually more like Bay Trail. Both use the > > IOSF architecture, and memory is initialized by interacting with > > various "units" inside the chip. > > > > About the southbridge, I don't know if Cedarview can use NM10 (found > > on Pineview) or if it must use an EG20T PCH: > > https://ark.intel.com/content/www/us/en/ark/products/52501/intel-platform-controller-hub-eg20t.html > > Hi, > isn't Cedarview a processor code name and Cedar Trail platform code name?
Yes, I was talking about the processor. Also, looks like I confused Cedarview with the older Tunnel Creek. Cedarview would only support the EG20T PCH, it seems. > This presentation mix both: > https://manualzz.com/doc/26041007/cedar-trail-platform-bios-session > > Interesting slide is 21, this lead me to pre-FSP time when BLDK was used > and I found this: > https://www.intel.pl/content/dam/www/public/us/en/documents/guides/cedar-trail-bldk-get-started-guide.pdf I recall that there were binaries for this somewhere, but can't find them anymore. > Probably only companies that have CNDA with Intel can still obtain > those, but who knows maybe it lays on some server somewhere. > > Best Regards, > -- > Piotr Król > Embedded Systems Consultant > GPG: B2EE71E967AA9E4C > https://3mdeb.com | @3mdeb_com > _______________________________________________ > coreboot mailing list -- [email protected] > To unsubscribe send an email to [email protected] Best regards, Angel _______________________________________________ coreboot mailing list -- [email protected] To unsubscribe send an email to [email protected]
