Date: Thu, 29 Jan 2015 18:27:08 +0900 From: "Lundberg, Johannes" <johannes@brilliantservice.co.jp> To: Ganbold Tsagaankhuu <ganbold@gmail.com> Cc: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org>, "ticso@cicely.de" <ticso@cicely.de>, Ian Lepore <ian@freebsd.org>, "freebsd-mobile@freebsd.org" <freebsd-mobile@freebsd.org> Subject: Re: System-On-Module Message-ID: <CAASDrVnzaDUEnavLx4btnOhJfUdFfZQ=egUuY9GtNtVBG4mvGw@mail.gmail.com> In-Reply-To: <CAGtf9xPx5ma27ho3Fq0=Tr=CfHvXZ3i0aVzJsvk15JMiSwxNVQ@mail.gmail.com> References: <CAASDrVmh-UrYXoBoze6_ZMNjORuAMi_pmNO=N-ZOv7tHCEU7Mg@mail.gmail.com> <20150128183231.GI58886@cicely7.cicely.de> <1422473251.15718.70.camel@freebsd.org> <20150128201440.GA73589@cicely7.cicely.de> <CAASDrVmbmWzoeT6DOG%2BQFaGkkqCoEnj2hdD9RzWBzq5GGFmT=A@mail.gmail.com> <CAASDrVnDCWEM9Tyvd5vZ3JBXu8FX7a_e52%2Bh4oq=Br_spn57DA@mail.gmail.com> <1422490013.15718.79.camel@freebsd.org> <CAASDrVm-E-AmA81tG8Nh3Hx1KWp4sUAk7HLXDGi%2BptPUrjHSEw@mail.gmail.com> <1422491760.15718.97.camel@freebsd.org> <20150129023314.GH73589@cicely7.cicely.de> <CAASDrVkaZ7XVwqhhemrZBSvQ2vFED6A4uK7NNXh_t92HhC2mbg@mail.gmail.com> <CAGtf9xPx5ma27ho3Fq0=Tr=CfHvXZ3i0aVzJsvk15JMiSwxNVQ@mail.gmail.com>
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What I'm most worried about is the graphics stack.. Some companies don't seem so keen on handing out specs. On Thursday, January 29, 2015, Ganbold Tsagaankhuu <ganbold@gmail.com> wrote: > > > On Thu, Jan 29, 2015 at 4:18 PM, Lundberg, Johannes < > johannes@brilliantservice.co.jp > <javascript:_e(%7B%7D,'cvml','johannes@brilliantservice.co.jp');>> wrote: > >> Hi All >> >> Thanks again for all the replies. >> >> How is the support for A15 and how is Qualcomm to work with when it come= s >> to porting? >> >> Thinking about this guy which is closer to what I want spec-wise.. >> >> http://www.variscite.com/products/system-on-module-som/cortex-a15-krait/= var-som-sd600-cpu-qualcomm-snapdragon600 >> >> >> > I think IFC6410 has same SoC as above SoM and as for ifc6410 either mmc/s= d > or usb ehci driver needed in order to boot FreeBSD into multi user mode. > > Ganbold > > > >> >> -- >> Johannes Lundberg >> BRILLIANTSERVICE CO., LTD. >> >> On Thu, Jan 29, 2015 at 11:33 AM, Bernd Walter <ticso@cicely7.cicely.de >> <javascript:_e(%7B%7D,'cvml','ticso@cicely7.cicely.de');>> >> wrote: >> >> > On Wed, Jan 28, 2015 at 05:36:00PM -0700, Ian Lepore wrote: >> > > On Thu, 2015-01-29 at 09:12 +0900, Lundberg, Johannes wrote: >> > > > Ah now I see it has EDM connection. I didn't look carefully enough= . >> > All the >> > > > images are with the expansion board attached.. >> > > > >> > > > Spec-wise and portability-wise it seems like a good option but my >> > hardware >> > > > guy keeps warning me about Freescale that they often have hardware >> > bugs and >> > > > rather than fixing the bugs they pretend they are not there.. In >> other >> > > > words, Freescale is good for software developers because of open >> > > > documentation but not so for hardware manufactures. Any experience= s >> > with >> > > > this? >> > > >> > > The imx6 manuals include an errata list, so it would be good to chec= k >> > > that for anything specific that would matter to your projects. >> > >> > If you use a prebuild module then you don't get much in touch with >> > the freescale chip fropm the hardware side. >> > On the other hand, there are countless iMX6 boards out there with >> > schematics online. >> > My recently bought Novena even came with printed schematics and they >> > open sourced the HW design files as well. >> > I don't think there are hidden surprises on the hardware side. >> > >> > > For the devices we use in our products everything is good so far wit= h >> > > the hardware. That's emmc, sdcard, ethernet, i2c, uarts, usb, and >> lots >> > > of gpio (inputs and outputs). The ethernet is gigabit but has a kno= wn >> > > limitation of 40MB/s due to the bus it's connected to in the chip. >> (But >> > > hey, it's documented so it's not a problem, right? :) >> > > >> > > You mentioned video, and we don't have that working on freebsd imx6 >> yet, >> > > but there's not a ton of work to do. There's a framebuffer driver f= or >> > > imx5 and it has pretty much the same framebuffer hardware. Getting >> > > video output to a TTL LCD is probably just hours of work. Getting i= t >> to >> > > an LVDS LCD or HDMI probably needs days of work (entire drivers >> written, >> > > potentially, I haven't looked into it). >> > >> > Sounds interesting for my Novena. >> > The one I already got are board only (with some FPGA breakout, ...). >> > They have HDMI though. >> > But I'm also awaiting for the one with case and LCD panel. >> > Not to forget that I have a fairy EDM carrier with LCD already. >> > That said I'v always wondered how much work is it to get the camera >> > interface running, since the Hummingboards can connect to the RPi >> > camera modules. >> > >> > > Some audio support was recently committed, but I don't know much abo= ut >> > > it yet. >> > > >> > > -- Ian >> > > >> > > >> > >> > -- >> > B.Walter <bernd@bwct.de <javascript:_e(%7B%7D,'cvml','bernd@bwct.de');= >> >> http://www.bwct.de >> > Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm. >> > >> >> -- >> =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- >> =E7=A7=98=E5=AF=86=E4=BF=9D=E6=8C=81=E3=81=AB=E3=81=A4=E3=81=84=E3=81=A6= =EF=BC=9A=E3=81=93=E3=81=AE=E9=9B=BB=E5=AD=90=E3=83=A1=E3=83=BC=E3=83=AB=E3= =81=AF=E3=80=81=E5=90=8D=E5=AE=9B=E4=BA=BA=E3=81=AB=E9=80=81=E4=BF=A1=E3=81= =97=E3=81=9F=E3=82=82=E3=81=AE=E3=81=A7=E3=81=82=E3=82=8A=E3=80=81=E7=A7=98= =E5=8C=BF=E7=89=B9=E6=A8=A9=E3=81=AE=E5=AF=BE=E8=B1=A1=E3=81=A8=E3=81=AA=E3= =82=8B=E6=83=85=E5=A0=B1=E3=82=92=E5=90=AB=E3=82=93=E3=81=A7=E3=81=84=E3=81= =BE=E3=81=99=E3=80=82 >> =E3=82=82=E3=81=97=E3=80=81=E5=90=8D=E5=AE=9B=E4=BA=BA=E4=BB=A5=E5=A4=96= =E3=81=AE=E6=96=B9=E3=81=8C=E5=8F=97=E4=BF=A1=E3=81=95=E3=82=8C=E3=81=9F=E5= =A0=B4=E5=90=88=E3=80=81=E3=81=93=E3=81=AE=E3=83=A1=E3=83=BC=E3=83=AB=E3=81= =AE=E7=A0=B4=E6=A3=84=E3=80=81=E3=81=8A=E3=82=88=E3=81=B3=E3=81=93=E3=81=AE= =E3=83=A1=E3=83=BC=E3=83=AB=E3=81=AB=E9=96=A2=E3=81=99=E3=82=8B=E4=B8=80=E5= =88=87=E3=81=AE=E9=96=8B=E7=A4=BA=E3=80=81 >> =E8=A4=87=E5=86=99=E3=80=81=E9=85=8D=E5=B8=83=E3=80=81=E3=81=9D=E3=81=AE= =E4=BB=96=E3=81=AE=E5=88=A9=E7=94=A8=E3=80=81=E3=81=BE=E3=81=9F=E3=81=AF=E8= =A8=98=E8=BC=89=E5=86=85=E5=AE=B9=E3=81=AB=E5=9F=BA=E3=81=A5=E3=81=8F=E3=81= =84=E3=81=8B=E3=81=AA=E3=82=8B=E8=A1=8C=E5=8B=95=E3=82=82=E3=81=95=E3=82=8C= =E3=81=AA=E3=81=84=E3=82=88=E3=81=86=E3=81=8A=E9=A1=98=E3=81=84=E7=94=B3=E3= =81=97=E4=B8=8A=E3=81=92=E3=81=BE=E3=81=99=E3=80=82 >> --- >> CONFIDENTIALITY NOTE: The information in this email is confidential >> and intended solely for the addressee. >> Disclosure, copying, distribution or any other action of use of this >> email by person other than intended recipient, is prohibited. >> If you are not the intended recipient and have received this email in >> error, please destroy the original message. >> _______________________________________________ >> freebsd-current@freebsd.org >> <javascript:_e(%7B%7D,'cvml','freebsd-current@freebsd.org');> mailing >> list >> http://lists.freebsd.org/mailman/listinfo/freebsd-current >> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.or= g >> <javascript:_e(%7B%7D,'cvml','freebsd-current-unsubscribe@freebsd.org');= > >> " > > > --=20 -- Johannes Lundberg BRILLIANTSERVICE CO., LTD. --=20 =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- =E7=A7=98=E5=AF=86=E4=BF=9D=E6=8C=81=E3=81=AB=E3=81=A4=E3=81=84=E3=81=A6=EF= =BC=9A=E3=81=93=E3=81=AE=E9=9B=BB=E5=AD=90=E3=83=A1=E3=83=BC=E3=83=AB=E3=81= =AF=E3=80=81=E5=90=8D=E5=AE=9B=E4=BA=BA=E3=81=AB=E9=80=81=E4=BF=A1=E3=81=97= =E3=81=9F=E3=82=82=E3=81=AE=E3=81=A7=E3=81=82=E3=82=8A=E3=80=81=E7=A7=98=E5= =8C=BF=E7=89=B9=E6=A8=A9=E3=81=AE=E5=AF=BE=E8=B1=A1=E3=81=A8=E3=81=AA=E3=82= =8B=E6=83=85=E5=A0=B1=E3=82=92=E5=90=AB=E3=82=93=E3=81=A7=E3=81=84=E3=81=BE= =E3=81=99=E3=80=82 =E3=82=82=E3=81=97=E3=80=81=E5=90=8D=E5=AE=9B=E4=BA=BA=E4=BB=A5=E5=A4=96=E3= =81=AE=E6=96=B9=E3=81=8C=E5=8F=97=E4=BF=A1=E3=81=95=E3=82=8C=E3=81=9F=E5=A0= =B4=E5=90=88=E3=80=81=E3=81=93=E3=81=AE=E3=83=A1=E3=83=BC=E3=83=AB=E3=81=AE= =E7=A0=B4=E6=A3=84=E3=80=81=E3=81=8A=E3=82=88=E3=81=B3=E3=81=93=E3=81=AE=E3= =83=A1=E3=83=BC=E3=83=AB=E3=81=AB=E9=96=A2=E3=81=99=E3=82=8B=E4=B8=80=E5=88= =87=E3=81=AE=E9=96=8B=E7=A4=BA=E3=80=81 =E8=A4=87=E5=86=99=E3=80=81=E9=85=8D=E5=B8=83=E3=80=81=E3=81=9D=E3=81=AE=E4= =BB=96=E3=81=AE=E5=88=A9=E7=94=A8=E3=80=81=E3=81=BE=E3=81=9F=E3=81=AF=E8=A8= =98=E8=BC=89=E5=86=85=E5=AE=B9=E3=81=AB=E5=9F=BA=E3=81=A5=E3=81=8F=E3=81=84= =E3=81=8B=E3=81=AA=E3=82=8B=E8=A1=8C=E5=8B=95=E3=82=82=E3=81=95=E3=82=8C=E3= =81=AA=E3=81=84=E3=82=88=E3=81=86=E3=81=8A=E9=A1=98=E3=81=84=E7=94=B3=E3=81= =97=E4=B8=8A=E3=81=92=E3=81=BE=E3=81=99=E3=80=82 --- CONFIDENTIALITY NOTE: The information in this email is confidential and intended solely for the addressee. 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