Raspberry Pi and Mesa 7i90 SPI works well

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26 Oct 2016 00:46 - 08 Feb 2017 20:07 #82070 by tinkerer
Last edit: 08 Feb 2017 20:07 by tinkerer. Reason: :P
The following user(s) said Thank You: tivoi

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27 Oct 2016 09:13 #82135 by bjames28
Hello,

Thank you for your work. Very impressive.
I downloaded the image and tried on RPI2, it worked fine. But no success with booting on RPI3. Is there anything to tune for RPI3?
In the weekend I'll try with Mesa 7i90 card. What GUI you recommend?

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27 Oct 2016 11:26 - 08 Feb 2017 20:07 #82138 by tinkerer
Last edit: 08 Feb 2017 20:07 by tinkerer. Reason: hint

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28 Oct 2016 00:18 - 08 Feb 2017 20:08 #82161 by tinkerer
Last edit: 08 Feb 2017 20:08 by tinkerer.

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28 Oct 2016 14:58 - 28 Oct 2016 15:00 #82189 by bjames28
Hi tinkerer,

Thanks for the quick answer and more information

I found on your site site the link to the Raspi2 image.
As I said this image boots well on RPI2 .
The same image is not booting on RPi3 and I have no cable for serial console, so I can't tell anything more.
Also wanted to update the firmware but author of firmware update warns to not do it without good reasons. I am not sure if I should do this update.

I had a little time to start with 7i90, so wired the RPI2 and 7i90 as you described above.
Compiled the driver hm2_rpispi.c but when I start the machinekit I get this:

Oct 28 14:26:55 machinekit msgd:0: hal_lib:17294:rt hm2: loading Mesa HostMot2 driver version 0.15
Oct 28 14:26:55 machinekit msgd:0: hal_lib:17294:rt Invalid cookie
Oct 28 14:26:55 machinekit msgd:0: hal_lib:17294:rt Read: 00000000 00000000 00000000 00000000
Oct 28 14:26:55 machinekit msgd:0: rtapi_app:17294:user rtapi_app_main(hm2_rpspi): -19 No such device
Oct 28 14:26:58 machinekit msgd:0: rtapi_app:17294:user unload: 'hm2_rpspi' not loaded

Thanks for the help in advance.
Last edit: 28 Oct 2016 15:00 by bjames28.

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28 Oct 2016 15:23 #82190 by PCW
Do you have SPI firmware loaded in the 7I90?

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28 Oct 2016 16:54 - 28 Oct 2016 16:56 #82194 by bjames28
No, I have EPP firmware. I'll upload the SPI and try again.
Thanks Peter!!
Last edit: 28 Oct 2016 16:56 by bjames28.

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28 Oct 2016 18:49 #82205 by bjames28
I uploaded 7i90_spi_svst8_4.bit firmware

The result is as below:
Oct 28 18:32:14 machinekit msgd:0: hal_lib:2516:rt hm2: loading Mesa HostMot2 driver version 0.15
Oct 28 18:32:14 machinekit msgd:0: hal_lib:2516:rt Base:hm2_7i90.0
Oct 28 18:32:14 machinekit msgd:0: hal_lib:2516:rt hm2: llio reports invalid number of I/O connectors (0)

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01 Nov 2016 17:48 - 08 Feb 2017 20:08 #82313 by tinkerer
Last edit: 08 Feb 2017 20:08 by tinkerer.

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03 Nov 2016 23:57 - 08 Feb 2017 20:09 #82407 by tinkerer
Last edit: 08 Feb 2017 20:09 by tinkerer.

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