On 11/10/14, 1:06 PM, "Suman Anna" <s-a...@ti.com> wrote: >Hi John, > >On 11/10/2014 02:24 PM, John Syn wrote: >> >> On 11/10/14, 10:58 AM, "Nishanth Menon" <n...@ti.com> wrote: >> >>> On Mon, Nov 10, 2014 at 11:54 AM, John Syn <john3...@gmail.com> wrote: >>>> >>>> On 11/10/14, 1:15 AM, "Jason Kridner" <jkrid...@beagleboard.org> >>>>wrote: >>>> >>>>> On Sun, Nov 9, 2014 at 1:13 AM, Maxim Podbereznyy >>>>><lisar...@gmail.com> >>>>> wrote: >>>>>> John Syn, >>>>>> Wandboard Quad does have 64 bit memory bus. >>>>>> >>>>>> P.S. I don't know who needs dual DSP onboard because TI definitely >>>>>> will >>>>>> not >>>>>> support them as should like it was for omap3/dm37. I'd better have >>>>>> well >>>>>> supported hardware video encoder/decoder rather than double general >>>>>> purpose >>>>>> DSPs without any software support >>>>> >>>>> When OMAP3 came out, the only compilers for C6000 were expensive, >>>>> closed-source compilers. Now, there is support in mainline GCC for >>>>> C6000. As the BeagleBoard.org community, we have to work together to >>>>> enable use of the DSPs if they are of interest to the >>>>> community---there aren't any barriers in our way. >>>> The TI C6000 does some amazing pipeline optimization, which seems to >>>>be >>>> missing from the GCC compiler. Anyway, using CCSV6 is no big deal, but > >One should be able to directly download the C6000 compilers at >http://software-dl.ti.com/codegen/non-esd/downloads/download.htm#C6000 > >>>> support for RPMSG/REMOTEPROC on this processor is a big issue. The >>>> source >>>> is difficult to follow and my guess is we would need input from the >>>> original authors to do this work. >>> >>> Why dont we get involved in linux-omap discussions on the topic? most >>> of the rpmsg and remote proc discussions do take place in kernel >>> mailing list. usually discussing in context helps move patches forward >>> since it makes it clear to certain maintainers that these things are >>> important and help community. >>> >>> >>> Do you have anything specific that you are concerned about? > >> Looking at git.ti.com/rpmsg/rpmsg, I don¹t see any support for AM572x >> processors. Also, Beagleboard-X15 is to be released with Kernel V3.18 >>but >> I don¹t see support for this kernel versions. Last I heard, RPMSG was >> working on OMAP4, but not fully implemented on OMAP5, but this was a >>while >> ago and perhaps this has changed. Perhaps Suman can give us an update. >> Similar concerns about REMOTEPROC. What I know is that I have been >>pushing >> this issue on the beta list and the only feedback I received was that >> "RPMSG/REMOTEPROC was in a SW blackhole². > >The rpmsg-ti-linux-3.14.y branch in the above tree is the feature >integration branch for rpmsg/remoteproc and does support all the >processors on OMAP4, OMAP5 and AM572x/DRA7x. The AM572x support should >be present through the am57xx-beagle-x15.dts file (its been sometime >since I pulled the required platform branch with any updates to this). > >I am in the process of pushing all these features/patches upstream, but >it will mostly be sometime next year before all the patches and their >dependencies will make it into the upstream kernel, so until then have >to rely on a TI tree. Hi Suman,
That is really good news. I’m guessing that V3.18 support will occur with the push to mainline? Any chance that we will see support when Beagleboard-X15 launches in Feb 2015? Regards, John > >regards >Suman > >> >> Based on the TRM, this processor looks extremely attractive, and we need >> RPMSG/REMOTEPROC to take advantage of the powerful dual DSPs and dual >> CortexM4s. >> >> Regards, >> John >>> >>> -- >>> --- >>> Regards, >>> Nishanth Menon >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to the Google >>>Groups >>> "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>>an >>> email to beagleboard+unsubscr...@googlegroups.com. >>> For more options, visit https://groups.google.com/d/optout. >> >> > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
