Hi Tom, On Thu, Jun 11, 2015 at 11:02 PM, Beaman, Thomas <thomas.bea...@xerox.com> wrote: > Hi Simon, > > I have enclosed both kernel boot files > > Thanks, > Tom >
Please stop top-posting. > -----Original Message----- > From: s...@google.com [mailto:s...@google.com] On Behalf Of Simon Glass > Sent: Wednesday, June 10, 2015 9:15 PM > To: Beaman, Thomas > Cc: u-boot@lists.denx.de > Subject: Re: MinnowBoard Max uboot > > Hi Thomas, > > On 10 June 2015 at 12:38, Beaman, Thomas <thomas.bea...@xerox.com> wrote: >> Hi Simon, >> >> I have just picked up u-boot-2015.07-rc2 with your support for multiple CPUs >> on the minnowboard max. I can see using the uboot cpu list command that both >> CPUs now show up. But the kernel does not see 2 CPUs in /proc/cpuinfo. If I >> boot the same kernel using an EFI BIOS I do see 2 CPUs in /proc/cpuinfo. Is >> there some uboot to kernel hand off I do not have configured properly ? I am >> not sure how the number of CPUs gets transferred from the boot to the kernel. >> >> Thanks for any input you may have. >> Tom >> >> => cpu list >> 0: cpu@0 Intel(R) Atom(TM) CPU E3825 @ 1.33GHz >> 1: cpu@1 Intel(R) Atom(TM) CPU E3825 @ 1.33GHz >> >> ## minnow max when booted from uboot 2015-07.rc2 root@atom_230:~# cat >> /proc/cpuinfo | grep processor >> processor : 0 >> >> ## minnow max when booted from BIOS >> root@atom_230:~# cat /proc/cpuinfo | grep processor >> processor : 0 >> processor : 1 > > Do you have the output from the kernel boot please? > > Regards, > Simon > >> >> >> >> -----Original Message----- >> From: s...@google.com [mailto:s...@google.com] On Behalf Of Simon Glass >> Sent: Tuesday, March 10, 2015 1:21 PM >> To: Beaman, Thomas >> Cc: u-boot@lists.denx.de; Bin Meng; gabriel huau >> Subject: Re: MinnowBoard Max uboot >> >> Hi Tom, >> >> On 10 March 2015 at 05:24, Beaman, Thomas <thomas.bea...@xerox.com> wrote: >>> Hi Simon, >>> >>> Do you know what will be the timeframe of when someone may be able to >>> look at this in more detail. I will be able to help test any updates >>> if needed >>> >> >> I will take a look once I have things lined up for the next release, likely >> mid April. >> >> Regards, >> Simon >> >>> Thanks, >>> Tom >>> >>> -----Original Message----- >>> From: s...@google.com [mailto:s...@google.com] On Behalf Of Simon Glass >>> Sent: Monday, March 09, 2015 11:49 AM >>> To: Beaman, Thomas >>> Cc: u-boot@lists.denx.de; Bin Meng; gabriel huau >>> Subject: Re: MinnowBoard Max uboot >>> >>> +Bin and Gabriel >>> >>> Hi Tom, >>> >>> On 9 March 2015 at 08:08, Beaman, Thomas <thomas.bea...@xerox.com> wrote: >>>> >>>> >>>> Hi Simon, >>>> >>>> >>>> >>>> I see you have put support for the MinnowBoard Max in the u-boot mainline. >>>> Thanks this is a very useful addition. I have been able to follow >>>> your readme and build a working bare metal uboot. Using the built >>>> uboot I can load and bring up a Linux Kernel. >>>> >>>> >>>> >>>> What I noticed from the running kernel is that only one of the two >>>> cores on the E3825 is running. In the power PC uboots I usually see >>>> a section for the multiple cores in the .dts file. My questions is >>>> how do I get both CPUs running on this board. Is it a uboot .dts >>>> file setup that will enable this, or is something in the kernel start up >>>> that does this. >>>> >>>> >>>> >>>> As a test I boot the same kernel using the EFI BIOS on the minnow >>>> board and both CPUs are running. >>>> >>>> >>>> >>>> Any suggestions or comments you have would be welcomed. >>>> >>>> >>> >>> My guess is that the LAPIC CPU start-up is missing. It isn't 100% clear >>> what the FSP does and does not do, but perhaps it does not do that. >>> >>> I did make something of a start on this with ivybridge but it isn't >>> complete, and it seems to be needed here. >>> >>> Regards, >>> Simon > I've checked your kernel log, and it turns out that you did not turn on CONFIG_SFI in your kernel build. Please make sure CONFIG_SFI=y to build the kernel and have a try. Regards, Bin _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
