Hi Christian, On Mon, Apr 9, 2018 at 3:52 PM, Christian Gmeiner <christian.gmei...@gmail.com> wrote: > Hi Bin > > 2018-04-06 10:30 GMT+02:00 Christian Gmeiner <christian.gmei...@gmail.com>: >> Hi Bin >> >> 2018-04-06 9:47 GMT+02:00 Bin Meng <bmeng...@gmail.com>: >>> Hi Christian, >>> >>> On Fri, Apr 6, 2018 at 2:55 PM, Christian Gmeiner >>> <christian.gmei...@gmail.com> wrote: >>>> Hi >>>> >>>> I tried my luck on the u-boot irc channel but nobody cared so I am >>>> asking this here again. >>>> Does cpu_get_count(..) return the number of physical CPUs or the >>>> number of logical CPUs? >>>> >>>> I am currently preparing a patch set which adds >>>> arch/x86/cpu/queensbay/cpu.c and there I need >>>> to specify a struct cpu_ops with a function called get_count(). But >>>> what must I return (physical vs. logical CPU count)? >>>> >>> >>> It's logical CPUs, say you have one physical CPU, each with >>> dual-threads, so get_count() returns 2. >>> >> >> Good to know. I am looking into an issue where vxworks 7 intel gen is not >> able >> to detect the correct amount of physical and logical CPUs (on a blob >> UEFI-Bios). >> I compared the new platform with an older queensbay based one the there are >> some >> discrepancies. As vx7 makes use of a handful of BIOS tables I thought I >> start at >> the root (get_count()) and move up. So as a result of this that means that >> the >> MP table has one "Processor Entry" per logical CPU - or? I tired to get that >> information for the spec but failed. >> >>> But Intel CrownBay already supports SMP in U-Boot. What patch are you >>> working on? >> >> I am out of office today and do not have access to my wip git rep :( >> But I needed >> to set some speed frequency registers.. but can tell you more on Monday. >> > > Okay.. yeah I need to configure speed: https://hastebin.com/toqihobali.cpp > > So the end result is to get all BIOS tables standard conform and vx7 should > be happy - I hope. >
I am not sure I understand the mods here. Are you saying that vx7 is not happy due to U-Boot is missing some core speed register configuration? Regards, Bin _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
