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Cortex A9

Subscribe to Cortex A9 66 posts, 25 voices

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Mar 15, 2012 2:35pm
Avatar Bryan Hogan (339) 260 posts

Hope no one minds the advert:

You can see a Pandaboard running RISC OS at the next ROUGOL meeting on 19th March.

Details on the website – http://rougol.jellybaby.net/

 
Mar 22, 2012 5:41pm
Avatar lorenko (1472) 2 posts

Fantastic … can you post a simple “how to” for get pandaboard booting and running without !SDCreate?

 
Mar 23, 2012 11:39am
Avatar David R. Lane (77) 351 posts

You can simply copy the files using a card reader on any computer onto the SD card. I think you have to copy the MLO file first. Anyhow, get hold of the !Help file, it’s a text file, inside the SDCreate directory and read that – it’s not very long and will probably tell you all you need to know.

 
Mar 23, 2012 1:27pm
Avatar lorenko (1472) 2 posts

Yes is what I have done but with MLO from validation image of panda after ModuleInit the system freeze.
I think something went wrong with video initialization but not sure. Tried other MLO but system hangs (X-loader). Is there any particular bootargs to set? Maybe I need the right MLO and uBoot.bin image …

Sorry for my terrible english :) and thank you very much

 
Mar 23, 2012 2:15pm
Avatar David R. Lane (77) 351 posts

Yes, you need to get the correct files for your pandaboard as many of the files are machine specific. There are 5 files: MLO, U-BOOT/SCR, BOOT/SCR, RISC OS and CMOS. You should be able to download these from the ROOL website. BOOT/SCR is in the scripts directory inside the SDCreate directory. Somebody more knowledgable will come along soon and help.

 
Apr 2, 2012 9:54pm
Avatar Gareth Woolridge (1480) 6 posts

I’m having problems too trying to get the latest ROM going on my Pandaboard.

The board just sits at a blank screen with both LEDs on :( tomorrow I will find a USB serial cable for my laptop to connect up and try to debug.

If I replace my panda/RISCOS boot.scr with one for Ubuntu and copy an Ubuntu kernel on it tried to boot do hopefully my MLO and u-boot.bin are ok. I got both of them from a prebuilt Ubuntu image I’ve been running on the Panda till now.

Not sure where I’m going wrong but I guess I need to get serial working to really debug it.

 
May 10, 2012 1:07pm
Avatar Trevor Johnson (329) 1650 posts

OMAP4

The forthcoming Archos G10 XS docking tablet is rumoured to use the OMAP4470.

 
May 10, 2012 2:45pm
Avatar Wouter Rademaker (458) 185 posts

@Gareth Woolridge, have you tried the files from Chris Gransden: https://www.riscosopen.org/forum/forums/5/topics/984#posts-11474

 
May 17, 2012 11:14am
Avatar Trevor Johnson (329) 1650 posts

we should keep in touch about the transformer and the Ubuntu install

Following the ICS updates and associated issues (mine’s a B6O model), I’m waiting for a stable version which I can try to backup before attempting the Ubuntu install.

 
Jul 26, 2012 9:02pm
Avatar Uwe Kall (215) 120 posts

Has anyone started porting efforts for the archos g9 101 tablet? I found that since mid may a special developer edition ( = multiple boot possibility ) for the tablet is available. And i have the tablet here…

Hopefully i will be able to find some information about the additional hardware apart from the Omap 4460 used in that tablet.

Anyone?

 
Jul 26, 2012 11:33pm
Avatar Trevor Johnson (329) 1650 posts

Have you already found stuff like the following (sorry if not relevant)?

  • Multi boot with the SDE (including the G9 links in letama’s sig)
  • G9 101 16GB 1.5GHz Teardown!
 
Jul 27, 2012 7:39am
Avatar Steve Pampling (1551) 3769 posts

There’s an interesting mITX form factor board due out:
http://de.kontron.com/products/boards+and+mezzanines/embedded+motherboards/miniitx+motherboards/ktt30mitx.html

Designed for manufacturers of embedded systems to directly replace an x86 mITX board so all the standard fittings.

 
Jul 27, 2012 8:40am
Avatar Uwe Kall (215) 120 posts

@Trevor no, I had not. Thanks a lot.
I did not find official hw docs up to now. (Started searching yesterday)
To start with, it seems possible to first root the device, start android, and then reboot into a different OS from SD card.

 
Jul 27, 2012 9:30am
Avatar Jess Hampshire (158) 848 posts

Designed for manufacturers of embedded systems to directly replace an x86 mITX board so all the standard fittings

I wish Raspberry had done this. (Or even made a model c in this sort of form.)

 
Jul 27, 2012 12:49pm
Avatar Steve Pampling (1551) 3769 posts

Maybe when the full data specs are available this might be viable.
Wishing for a Raspberry model C with full bells and whistles for less than 100 quid is probably “Pi in the sky”

 
Oct 19, 2016 10:57am
Avatar Jeffrey Lee (213) 4859 posts

Would it utilise all the cores? I remember you said in another forum thread that it would be a long, long time before we saw any ROOL version that would utilise a dual core processor.

In a few months we might be at the point where programmers can start experimenting with multi-core code. But it’s hard to say how long it will take for that to translate into useful software from a user’s perspective.

I also remember that there’d be no hardware acceleration on powerVR gpus due to a lack of a proper sdk, is there more likely to be hardware accelerated graphics on the Graperain system on mdoule (and above) platforms?

Possibly. Mali and Adreno GPUs have semi-capable open source drivers for some models. But of course the big problem is the “semi-capable” and “some models” aspects. Reverse-engineering GPUs isn’t easy!

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Technical discussions for people porting RISC OS to new hardware.

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  • Bryan Hogan (339)
  • lorenko (1472)
  • David R. Lane (77)
  • Gareth Woolridge (1480)
  • Trevor Johnson (329)
  • Wouter Rademaker (458)
  • Uwe Kall (215)
  • Steve Pampling (1551)
  • Jess Hampshire (158)
  • Jeffrey Lee (213)

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