On Thu, Oct 11, 2018 at 3:24 AM Antony AbeePrakash X V <[email protected]> wrote: > > Hi All, > > We are able to achieve the memory initialization time reduction. Now we have > achieved the boot time as 5sec until the Postcode 0xf8 (entry into Elf boot). > > We have reduced the unwanted codes. We would like to reduce the boot time to > less than 2sec. > > Could anyone please tell what can be done further ?
You're going to need to post more information (cbmem timings and console logs). > > Thanks, > Antony > > -----Original Message----- > From: Aaron Durbin [mailto:[email protected]] > Sent: Wednesday, September 05, 2018 7:39 PM > To: Antony AbeePrakash X V <[email protected]> > Cc: Coreboot <[email protected]> > Subject: Re: [coreboot] MRC in coreboot > > On Wed, Sep 5, 2018 at 8:06 AM Antony AbeePrakash X V > <[email protected]> wrote: > > > > Hi, > > > > > > > > We are developing coreboot for Apollo lake custom board. MRC training data > > save is enabled in FSP using Binary configuration tool. > > > > > > > > But we are getting logs like, > > > > > > > > No MRC cache found. > > > > MRC SeCUmaSize memory size from SeC ... 0 > > > > MRC Parameters not valid. Status is Success > > > > MRC:CpuMemoryTest Successful! > > > > Saving MRC data using CSE through HECI interface > > I have never seen this path used in coreboot. This line above is saying CSE > is responsible for saving and retrieving training data. In coreboot we use > the main processor to save and restore. I suggest reading over the UPD > parameters and ensure they match with our typical use cases. BCT tool > enabling 'training data save' sounds like it's enabling CSE path. > > > > > Try to find MRC training data HOB. > > > > No MRC training data found, perform data save via HECI. > > > > Saved MRC training data with status (0x80000003) > > > > > > > > It seems that MRC data is not found and saved. Also I found that there are > > options to add MRC file path and mrc.bin in menuconfig. The only option I > > have is save cached MRC settings. > > > > > > > > What this mrc.bin will do? > > > > How to add the mrc.bin in coreboot? > > > > > > > > Please explain on this. > > > > > > > > Thanks & Regards, > > > > Antony > > > > > > > > L&T Technology Services Ltd > > > > www.LntTechservices.com > > > > This Email may contain confidential or privileged information for the > > intended recipient (s). If you are not the intended recipient, please do > > not use or disseminate the information, notify the sender and delete it > > from your system. > > > > -- > > coreboot mailing list: [email protected] > > https://mail.coreboot.org/mailman/listinfo/coreboot > L&T Technology Services Ltd > > www.LntTechservices.com<http://www.lnttechservices.com/> > > This Email may contain confidential or privileged information for the > intended recipient (s). If you are not the intended recipient, please do not > use or disseminate the information, notify the sender and delete it from your > system. -- coreboot mailing list: [email protected] https://mail.coreboot.org/mailman/listinfo/coreboot
