Hello Dirk, On Thu, Nov 10, 2016 at 8:54 AM, Dirk Behme <dirk.be...@de.bosch.com> wrote:
> On 09.11.2016 13:14, Julien Grall wrote: > >> Hello, >> >> On 09/11/16 07:14, Dirk Behme wrote: >> >>> On 08.11.2016 16:41, Iurii Mykhalskyi wrote: >>> >>>> Hello Dirk, >>>> >>>> I have made only single change - I recompile ATF to leave CPU in EL2 >>>> mode and reflash it. >>>> >>> >>> >>> Yes, this is what I meant with 'modifying firmware' ;) >>> >>> You are loading Xen with U-Boot running in EL2, then? >>> >>> With this modification, do all other use cases still work? E.g. load and >>> boot U-Boot and native Linux kernel without Xen? >>> >> >> Yes, when Linux is booting from EL2, it will drop to EL1 (see >> el2_setup). As Andre mentioned on the previous thread, U-boot is running >> at EL2 on various board (e.g pine64, juno). >> >> Modifying the firmware was the right way to go as there is no solution >> go boot at EL2 from EL1. >> > > > Yes, correct, from general point of view :) > > My question to Iurii is more focused to this concrete board, if there > everything works fine, too. You know, sometimes the implementation on a > board might have bugs while it should work well in theory ;) > > So I'm just interested if everything works fine for him switching ATF to > exit in EL2, or if additional fixes/patches are needed for this board. Looks like all basic functions working normally - I have successfully load linux & rootfs without any additional patches for linux kernel. > Best regards > > Dirk > As you ok with this - I will create Salvator-X board related page on Xen wiki. But first of all, I will update yocto layer mentioned by Andrii with minimal setup, based on the latest Renesas & Xen releases. This should be helpful for easier out of box board setup. Thank you. With the best regards, Iurii Mykhalskyi -- Iurii Mykhalskyi | Senior Software Engineer GlobalLogic P +38.044.492.9695x3664 M +38.096.311.5467 S mad-nemoi www.globallogic.com <http://www.globallogic.com/> http://www.globallogic.com/email_disclaimer.txt
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