Re: [Gumstix-users] A Few Simple Questions

[solarwind <x.s...@gm...>]

Thanks for taking the time to reply. I have no rush to buy one of these
things. When I know that someone got QNX working, I can try then. It's not a
rush for me. I'm just a student and this is just a hobby. Thanks!

On Mon, Aug 25, 2008 at 8:14 AM, nrg <gu...@do...> wrote:

>
> g'day solarwind z
>
> i noticed your posting to the QNX BSP forum ("anyone played with QNX on
> gumstix?") - i've been monitoring that thread for some time and have also
> left a request to peter on that thread - no reply as yet (after some
> months).  there is a PXA270 BSP on the QNX site, which is the one i believe
> that peter w tweaked to get his verdex based gumstix hardware combination
> working/booting with QNX.  more on that further on, sufficient to say that
> i
> am moving ahead with creating my own BSP (again, based on the PXA270 BSP
> available on the QNX site - BSP-INTEL-DBPXA270DP).
>
> i'm working with the LCD pack which combines the bigger verdex motherboard
> (XL6P) with the consoleLCD16-vx and a netwifimicrosd-vx expansion board
> (actually the LCD pack comes with a netmicroSD-vx expansion board - i just
> added the wifi module myself - had to order it separately).
>
> these cards work like a charm together, so that answers your first question
> in the affirmative.  booted first time straight out of the box =)
>
> "Dual boot" seems to be possible with u-boot, but not (i believe) with the
> current version of u-boot that is available for the verdex.  some more
> recent u-boot versions have a menu option to boot an elf based image file
> (suitable for qnx).  there are a couple of references to qnx/u-boot on the
> qnx forums.  i'm still researching that one.
>
> "CHIMEI STN LCD panel (CME75VA01)" - i just started looking at alternative
> screens on the weekend.  you might want to look at the breakout-vx board
> for
> your options there.  pinouts are described on the wiki.
>
> Back to the QNX BSP for the gumstix ... peter w has reported that he used
> the following hardware combination:
>
> "verdex 624MHz (PXA270 Marvell) 32MB Flash, 64MB RAM, console-vx,
> NetCF-vx."
>
> the operational difference of peter's setup (compared to the cards you
> mentioned) is the NetCF-vx expansion card (instead of the netwifimicrosd
> card).
>
> i think he took that route because QNX can definitely boot from a CF card.
> i'm still researching how to get the SD card recognized in QNX at boot
> time,
> but without field testing, i'm pretty certain if i can get u-boot to
> recognize an elf image then it can at least get the initial image in and
> running from an SD card.
>
> (this is even more urgent and pressing now that the soon to be released
> Verdex2 motherboard will have a microsd card on board.  the new net-80 card
> for the verdex2 will still have wifi as an option).
>
> peter w states that he has got the following working:
>
> "SMSC9000 Ethernet
> USB Host
> Serial
> Flash file system
> and of course all services ontop of this services (TCP/IP, Photon via
> Phindows, devb-umass, devu-xxxx)."
>
> all of these devices come from the PXA270 BSP i mentioned above.
>
> he goes on to say:
>
> "currently under development is:
> I2C
> GPIO
> AC97
> Graphics. (Photon)."
>
> the I2C, GPIO and AC97 linux code is available to view once you get
> OpenEmbedded installed and running (my intention is to create resource
> managers for each of the first three items listed above).  Dave Hylands has
> written some good i2c access code (api) (see elsewhere on this forum) which
> comes with the OE source.  The GPIO is available under "/proc" so i'm
> hunting down the code for GPIO in the kernel drivers (don't know where in
> the OE source tree yet).  Similarly with the AC97 code.
>
> The linux graphics driver is mostly irrelevant for QNX (apart from some
> hardware issues - see below).  The LCD sub-system uses a frame buffer
> (refer
> to the PXA270 manuals available on the gumstix site) so the frame buffer
> sample code from QNX is serving me as a base starting point.  The graphics
> driver code from QNX gives you everything you need.  The only real
> challenges are timing issues (which are covered in the linux/gumstix LCD
> driver code) and LCD register setup ( again, these are covered in the
> linux/gumstix LCD driver code).
>
> I also purchased the netCF-vx and JTAG-vx expansion boards.  The netCF-vx
> in
> case i can't get QNX to boot from SD, and the JTAG-vx board in case i
> "brick" the Verdex and have to reflash - cheaper than the courier costs to
> get the verdex over to gumstix (for the reflashing service) from oz (and
> back).
>
> I'm probably going to have a QNX/Gumstix BSP ready around late September
> through late October - Photon graphics, I2C, SMC9117, GPIO and AC97 working
> PLUS SPI and WIFI.  I'll be posting something on the "anyone played with
> QNX
> on gumstix?" thread when i have it working.
>
> Hope this information helps you with your purchase decision.
>
> regardz
>
> guy
>
> PS:  the GUMSTIX package only took only four business days to arrive here
> at
> the gold coast (oz).
>
>
> --
> View this message in context:
> http://www.nabble.com/A-Few-Simple-Questions-tp19137962p19142756.html
> Sent from the Gumstix mailing list archive at Nabble.com.
>
>
> -------------------------------------------------------------------------
> This SF.Net email is sponsored by the Moblin Your Move Developer's
> challenge
> Build the coolest Linux based applications with Moblin SDK & win great
> prizes
> Grand prize is a trip for two to an Open Source event anywhere in the world
> http://moblin-contest.org/redirect.php?banner_id=100&url=/
> _______________________________________________
> gumstix-users mailing list
> gum...@li...
> https://lists.sourceforge.net/lists/listinfo/gumstix-users
>



-- 
..::[ solarwind ]::..