Mity CPU Platforms » MityDSP-L138 (ARM9 Based Platforms)

02/04/2016

01:37 PM Software Development: RE: gcc 4.8 for OMAP-L138

Jonathan,
Thank you very much for your help. This uImage works.
Regards,
Ben Ben Atkinson

12:53 PM Software Development: RE: gcc 4.8 for OMAP-L138

Updated dbric3 defconfig to support systemd.
http://support.criticallink.com/gitweb/?p=linux-davinci.git;a=commit;h=... Jonathan Cormier

12:17 PM Software Development: RE: gcc 4.8 for OMAP-L138

Jonathan,
Yes I am using the dbric3 hardware. Do you have a kernel image for it?
Regards,
Ben Ben Atkinson

12:09 PM Software Development: RE: gcc 4.8 for OMAP-L138

The industrialio baseboard image expects the phy id to be 0:03. Your phy id appears to be 0:00. The kernel would ne... Jonathan Cormier

11:38 AM Software Development: RE: gcc 4.8 for OMAP-L138

... and here is the boot message file. Ben Atkinson

11:36 AM Software Development: RE: gcc 4.8 for OMAP-L138

Jonathan,
I think we're getting somewhere now. The newest kernel is working better. I went back to the original,... Ben Atkinson

09:30 AM Software Development: RE: gcc 4.8 for OMAP-L138

Alright thanks. Sometimes the bootargs aren't set.
I tried booting the uImage Bob posted and it hung for me too. ... Jonathan Cormier

02/03/2016

05:10 PM Software Development: RE: gcc 4.8 for OMAP-L138

Jonathan,
U-Boot > print bootargs
print bootargs
bootargs=mem=96M console=ttyS1,115200n8 mtdparts=nand:128M(root... Ben Atkinson

05:05 PM Software Development: RE: gcc 4.8 for OMAP-L138

Is the bootargs environment variable set when you do the tftp boot?... Jonathan Cormier

05:01 PM Software Development: RE: gcc 4.8 for OMAP-L138

Bob,
On my target system I had:
# cd /boot
# ls -la u*
lrwxrwxrwx 1 root root 13 Nov 13 21:13 uImage... Ben Atkinson

04:08 PM Software Development: RE: gcc 4.8 for OMAP-L138

Ben, you shouldn't have to redo your filesystem. Just copy over the kernel. ... Bob Duke

03:33 PM Software Development: RE: gcc 4.8 for OMAP-L138

Bob,
Thanks. Just to be clear, should I put the new uImage in /boot and re-create the jffs2 image? Currently the... Ben Atkinson

03:08 PM Software Development: RE: gcc 4.8 for OMAP-L138

Ben, I apologize for the assumptions in my original advice. Any time you change a kernel you need to bring along ... Bob Duke

02:55 PM Software Development: RE: gcc 4.8 for OMAP-L138

I did not build a new kernel. A kernel was already on my target system, and I believe it came from the MDK_2014-01-1... Ben Atkinson

02:47 PM Software Development: RE: gcc 4.8 for OMAP-L138

Ben Atkinson wrote:
> Jonathan,
>
> Thanks for the reply. I didn't build a new kernel based on the comment from ... Jonathan Cormier

02:44 PM Software Development: RE: gcc 4.8 for OMAP-L138

Jonathan,
Thanks for the reply. I didn't build a new kernel based on the comment from Bob Duke, above:
> Pl... Ben Atkinson

02:20 PM Software Development: RE: gcc 4.8 for OMAP-L138

Ben Atkinson wrote:
> Jonathan,
>
> I was able to load your ALPHA Linux file system onto my target, and I've had ... Jonathan Cormier

02:09 PM Software Development: RE: gcc 4.8 for OMAP-L138

Jonathan,
I was able to load your ALPHA Linux file system onto my target, and I've had some success. The system i... Ben Atkinson

01/27/2016

09:34 AM Software Development: RE: gcc 4.8 for OMAP-L138

Ben,
Part of the reason this filesystem is alpha is to discover differences from the old filesystem. We hadn't no... Jonathan Cormier

09:29 AM Software Development: RE: gcc 4.8 for OMAP-L138

I want to set a static IP address on my target using the ALPHA Release 2016.01 file system, but I was surprised to se... Ben Atkinson

01/25/2016

03:16 AM Software Development: RE: MityDSP-L138F - Qt application not seeing USB keyboard

Hi
Thanks, I did very quickly look at the 2015 Alpha release but didn't see the Qt libraries.
At the same time I wa... Mathew Jones

01/20/2016

11:23 AM Software Development: RE: gcc 4.8 for OMAP-L138

Here is the command we run to create the jffs file for the original MDK. Where $root is the path to the extracted fi... Jonathan Cormier

11:01 AM Software Development: RE: gcc 4.8 for OMAP-L138

We have a tool that reprograms the root FS on our target device with a jffs2 file. I saw in the Release 2010.05 ther... Ben Atkinson

10:38 AM Software Development: RE: MityDSP-L138F - Qt application not seeing USB keyboard

Mat,
You could try testing the Alpha MDK release we uploaded under the Files tab (2016.01). This is a Yocto-ba... Bob Duke

03:13 AM Software Development: RE: MityDSP-L138F - Qt application not seeing USB keyboard

That's interesting, so it does look like the 12/03/2012 MDK (with Qt 4.7.4) was built with -qt-kbd-tty but not with: ... Mathew Jones

01/19/2016

03:19 PM Software Development: RE: MityDSP-L138F - Qt application not seeing USB keyboard

The build logs for the 4.7.4 qt show the following configure. According to this neither qt-kbd-linuxinput nor qt-kbd-... Jonathan Cormier

10:56 AM Software Development: RE: MityDSP-L138F - Qt application not seeing USB keyboard

Hi Jonathan, thanks, I've read something similar or the same links.
I've just tried... Mathew Jones

09:13 AM Software Development: RE: MityDSP-L138F - Qt application not seeing USB keyboard

http://doc.qt.io/qt-4.8/qt-embedded-charinput.html#specifying-a-keyboard-driver
The above link lists the TTY and L... Jonathan Cormier

01/18/2016

08:17 AM Software Development: RE: MityDSP-L138F - Qt application not seeing USB keyboard

Hi Tim
I am currently launching my application with the -qws flag, e.g.... Mathew Jones

07:14 AM Software Development: RE: MityDSP-L138F - Qt application not seeing USB keyboard

Mat,
Its been a while since I have worked in this area, so I'm a bit rusty... Are you launching your app with the -q... Tim Iskander

04:42 AM Software Development: MityDSP-L138F - Qt application not seeing USB keyboard

Hi
I'm having trouble with Qt getting input from a USB keyboard. USB mouse input is fine.
I have a MityDSP-L138 run... Mathew Jones

01/13/2016

08:52 AM FPGA Development: RE: Linux application cannot read/write FPGA registers

Hi Greg
Excellent, that has definitely helped as I can now see /dev/0 after the following two commands (with FPGA lo... Mathew Jones

01/12/2016

12:43 PM Software Development: RE: DVI Framebuffer (fpga i2c) problem

Hi Mathew,
Very sorry about that. I didn't catch the LX45 version. The LX45 has some pins that are not bonded t... Michael Williamson

11:26 AM Software Development: RE: DVI Framebuffer (fpga i2c) problem

From our investigation and suggestions from other wiki/forum pages it is apparent now that it is not possible to outp... Mathew Jones

11:35 AM FPGA Development: RE: Linux application cannot read/write FPGA registers

Hi Matthew,
First we need to deal with the issue of /dev/0 not being present. Using /dev/mem is ultimately not wh... Gregory Gluszek

11:16 AM FPGA Development: Linux application cannot read/write FPGA registers

I am trying write a simple C application (for Linux on the MityDSP-L138 ARM) that can access registers within an LX16... Mathew Jones