Re: System-On-Module

On Thu, Jan 29, 2015 at 4:18 PM, Lundberg, Johannes <
johannes_at_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 comes
> 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/sd
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_at_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 experiences
> > with
> > > > this?
> > >
> > > The imx6 manuals include an errata list, so it would be good to check
> > > 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 with
> > > the hardware.  That's emmc, sdcard, ethernet, i2c, uarts, usb, and lots
> > > of gpio (inputs and outputs).  The ethernet is gigabit but has a known
> > > 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 for
> > > imx5 and it has pretty much the same framebuffer hardware.  Getting
> > > video output to a TTL LCD is probably just hours of work.  Getting it
> 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 about
> > > it yet.
> > >
> > > -- Ian
> > >
> > >
> >
> > --
> > B.Walter <bernd_at_bwct.de> http://www.bwct.de
> > Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm.
> >
>
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