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From 05/16/2016 to 06/14/2016

06/14/2016

05:45 PM Software Development: RE: Problems with the first time configuration
>There shouldn't be a space in the console arg. "console=ttyS1,115200n8"
>Also root should have an '=' not a '-'.
...
Hector Bojorquez
03:35 PM Software Development: RE: Problems with the first time configuration
Hector Bojorquez wrote:
> Hi Jonathan,
>
> I made the changes, and yes the problem continues the same, I checked ...
Jonathan Cormier
02:56 PM Software Development: RE: Problems with the first time configuration
Hi Jonathan,
I made the changes, and yes the problem continues the same, I checked the bootargs and this was the r...
Hector Bojorquez
01:20 PM Software Development: RE: Problems with the first time configuration
Thanks for all the logs, definitely helpful. The kernel panic indicates that it failed to find the filesystem. See be... Jonathan Cormier
12:50 PM Software Development: RE: Problems with the first time configuration
Hi,
I followed the steps in the [[Reprogramming_a_Dead_Board]] guide and I got access to the u-boot prompt again, ...
Hector Bojorquez
05:15 PM Software Development: RE: Specifics on reserving DDR for PRU/ARM shared use
Regarding your specific questions, yes, you could use memmap to set aside a particular chunk of memory. Where you set... Bob Duke
05:07 PM Software Development: RE: Specifics on reserving DDR for PRU/ARM shared use
Hi Andrew,
I recommend you review the TI-provided documentation and examples for the PRU available here:
<https...
Bob Duke

06/13/2016

05:14 PM Software Development: RE: JFFS2 "scheduling while atomic" problem with L138 running linux kernel 3.2
Sorry I missed that Fred.
You can just make the change (swapping two lines) yourself for testing, or you can appl...
Bob Duke
05:12 PM Software Development: RE: JFFS2 "scheduling while atomic" problem with L138 running linux kernel 3.2
Note we can list any other jffs patches that is in the linux-3.2.y branch that isn't in ours by doing the following:
...
Jonathan Cormier
05:07 PM Software Development: RE: JFFS2 "scheduling while atomic" problem with L138 running linux kernel 3.2
The patch was included in the 3.2.18 kernel release. You can cherry-pick the patch from there to verify it fixes you... Jonathan Cormier
04:56 PM Software Development: RE: JFFS2 "scheduling while atomic" problem with L138 running linux kernel 3.2
Looks like someone already did the backport of the fix. The patch is very straight forward.
https://github.com/Angs...
Jonathan Cormier
04:28 PM Software Development: RE: JFFS2 "scheduling while atomic" problem with L138 running linux kernel 3.2
Ah, yes, so this is indeed the problem; the code you show above is _before_ the fix. The issue is mutex_lock cannot f... Fred Weiser
02:48 PM Software Development: RE: JFFS2 "scheduling while atomic" problem with L138 running linux kernel 3.2
Fred,
The current MityDSP-L138 kernel (Branch: mitydsp-linux-v3.2) has the following code in @fs/jffs2/gc.c@:
...
Bob Duke
10:18 AM Software Development: JFFS2 "scheduling while atomic" problem with L138 running linux kernel 3.2
I have been getting a lot of "scheduling while atomic" messages seemingly centered around JFFS2:
@Jun 12 12:08:37 ...
Fred Weiser

06/10/2016

12:20 PM Software Development: Specifics on reserving DDR for PRU/ARM shared use
The note in the wiki article for getting started with PRU mentions the following:
??A safe design that wanted to u...
Andrew Bean
11:34 AM Software Development: RE: Problems with the first time configuration
Hector, I'm not sure what commands you ran but the nand commands you show shouldn't have created this. It appears y... Jonathan Cormier
11:04 AM Software Development: RE: Problems with the first time configuration
I followed the Guide without errors advice, and at the final step I got the attached text (MKD_Update_End)
But whe...
Hector Bojorquez

06/09/2016

06:04 PM Software Development: RE: Problems with the first time configuration
Hector Bojorquez wrote:
> >Both the nfsd and portmap services are not critical during boot and should not cause it t...
Jonathan Cormier
05:51 PM Software Development: RE: Problems with the first time configuration

>Both the nfsd and portmap services are not critical during boot and should not cause it to hang. Its possible some...
Hector Bojorquez
04:05 PM Software Development: RE: Problems with the first time configuration
Both the nfsd and portmap services are not critical during boot and should not cause it to hang. Its possible some ot... Jonathan Cormier
03:42 PM Software Development: RE: Problems with the first time configuration
Sorry I used to take pictures because the machine where is installed Vbox has no access to the network, even if I ne... Hector Bojorquez
01:47 PM Software Development: RE: Problems with the first time configuration
Hector Bojorquez wrote:
> Hi Jonathan,
>
> Since I got the HelloWorld I just played with some simple code and it ...
Jonathan Cormier
11:32 AM Software Development: RE: Problems with the first time configuration
Hi Jonathan,
Since I got the HelloWorld I just played with some simple code and it worked well, but today when I t...
Hector Bojorquez

06/02/2016

02:39 PM Software Development: RE: Pinmux changes back on its own
Hi Jonathan, thanks for looking into this. The L138 technical reference manual does show many of the SYSCFG registers... Andrew Bean
01:50 PM Software Development: RE: Pinmux changes back on its own
Found this post for the 335x which mentions that the pinmux registers are protected. Its likely this is also true fo... Jonathan Cormier
01:30 PM Software Development: RE: Pinmux changes back on its own
I can confirm that doesn't appear to work.... Jonathan Cormier
10:29 AM Software Development: RE: Pinmux changes back on its own
I was able to compile busybox (after making an empty syncfs() function in sync.c as a quick workaround), and here's w... Andrew Bean
01:39 PM PCB Development: RE: Questions about my product version
I got this:
>root@mityomapl138:~# dmesg | grep 'Part Number'
>MityOMAPL138: Part Number = 1810-DG-255-RC
So I ...
Hector Bojorquez
01:22 PM PCB Development: RE: Questions about my product version
Hector,
To determine the model of a specific module please refer to the label that is located on the bottom side o...
Alexander Block
01:14 PM PCB Development: RE: Questions about my product version
During the linux boot, it should print out the model number of the module. Here is what my L138 prints out:... Jonathan Cormier
12:25 PM PCB Development: Questions about my product version
Hello everybody,
I requested for a MitySOM-1810F + PROFIBUS-development kit from Avnet, and I got kind of confused...
Hector Bojorquez
08:51 AM Software Development: RE: Problems with the first time configuration
Note the old filesystem has an outdated url for opkg. Angstrom moved their feeds to here: http://feeds.angstrom-dist... Jonathan Cormier

06/01/2016

05:50 PM Software Development: RE: Problems with the first time configuration
I changed it to the older toolchain and it works! , I will try to do the MDK updating
From: https://support.critic...
Hector Bojorquez
05:01 PM Software Development: RE: Problems with the first time configuration
Correct link to forum post: https://support.criticallink.com/redmine/boards/10/topics/2559?r=4113#message-4113 Jonathan Cormier
05:00 PM Software Development: RE: Problems with the first time configuration
Note: If you're starting a new project, I recommend updating your filesystem to the latest MDK and using the newer to... Jonathan Cormier
04:58 PM Software Development: RE: Problems with the first time configuration
Hector Bojorquez wrote:
> Thanks again,
>
> I will check it with IT guys.
>
> I got in the MityDSP from the VM...
Jonathan Cormier
04:39 PM Software Development: RE: Problems with the first time configuration
Thanks again,
I will check it with IT guys.
I got in the MityDSP from the VM with *_ssh root@192.168.0.151_* in...
Hector Bojorquez
03:21 PM Software Development: RE: Pinmux changes back on its own
One difference with the busybox code is they seem to be taking pains to make sure their mmap is page aligned.
http...
Jonathan Cormier
03:11 PM Software Development: RE: Pinmux changes back on its own
You can download the latest busybox and cross compile it. Should be something like below assuming you've set the too... Jonathan Cormier
03:00 PM Software Development: RE: Pinmux changes back on its own
It looks like devmem is missing from the version of busybox (v1.19.4) included with the 2014-01-13 root file system i... Andrew Bean
10:21 AM Software Development: RE: Pinmux changes back on its own
Do you have the same problem using the devmem utilty? It also uses the /dev/mem interface. If it works perhaps you ... Jonathan Cormier
10:18 AM Software Development: RE: Pinmux changes back on its own
I've played around with it a bit more, and it seems the issues does not have to do specifically with PINMUX registers... Andrew Bean
09:26 AM Software Development: RE: Pinmux changes back on its own
Strange, the only time the pinmux should get modified is during u-boot initialization and during kernel boot. Otherw... Jonathan Cormier

05/31/2016

02:15 PM Software Development: RE: Problems with the first time configuration
Hector Bojorquez wrote:
> Hi again!,
FYI, if you want to link to attachments in redmine, the syntax is @attachment:...
Jonathan Cormier
01:04 PM Software Development: RE: Problems with the first time configuration
Hi again!,
Thanks Jonathan, It looks that it has already booted up in Linux +{Attached 1 Booting_up.jpg}+
I ha...
Hector Bojorquez

05/27/2016

07:23 PM Software Development: Pinmux changes back on its own
I'm trying to set up PINMUX5 at address 0x01C14134 to have EPWM1A on the output. It seems to take on the desired valu... Andrew Bean

05/26/2016

09:48 AM Software Development: RE: Instructions to get going with the OMAP PWM
Andrew Bean wrote:
> I'm trying to get EPWM1A running with the MityDSP-L138 module and MityDSP-L138 (F) Family Devel...
Jonathan Cormier

05/25/2016

11:30 PM Software Development: Instructions to get going with the OMAP PWM
I'm trying to get EPWM1A running with the MityDSP-L138 module and MityDSP-L138 (F) Family Development Kit.
1) Is the...
Andrew Bean
02:53 PM Software Development: RE: Problems with the first time configuration
If this is the module that came with the devkit then it should boot into linux when powered on assuming you don't hit... Jonathan Cormier
02:06 PM Software Development: RE: Problems with the first time configuration
Hi Jonathan,
I'm using now TeraTerminal, my serial port is working OK and I got in the U-Boot prompt, I checked ...
Hector Bojorquez

05/24/2016

07:27 PM Software Development: RE: PRU_gpioToggle example fails sometimes
So, I've been playing around with the example code more to try to get the interrupt wait() and clear() to work.
Th...
Andrew Bean
02:00 PM Software Development: RE: PRU_gpioToggle example fails sometimes
In @static int LOCAL_exampleInit ( unsigned short prunum )@ of PRU_gpioToggle.c we need to have... Andrew Bean
11:42 AM Software Development: RE: PRU_gpioToggle example fails sometimes
So this is strange. I modified the gpioToggle code to have the following:... Andrew Bean
01:30 PM Software Development: RE: Problems with the first time configuration
Hector Bojorquez wrote at https://support.criticallink.com/redmine/projects/arm9-platforms/activity?from=2016-05-24:
...
Jonathan Cormier
01:20 PM Software Development: RE: Starter Guide: "Boot the MityDSP-L138 up into linux." - How?
Hector, I'm going to respond in your other forum post.
https://support.criticallink.com/redmine/boards/10/topics/4825
Jonathan Cormier
12:05 PM Software Development: RE: Starter Guide: "Boot the MityDSP-L138 up into linux." - How?
Hi everyone, I'm starting with the PROFIBUS development kit and I was trying to follow the starter guide until I came... Hector Bojorquez

05/23/2016

11:11 PM Software Development: RE: PRU_gpioToggle example fails sometimes
This seems to be the same as one of the issues that Jonathan Cormier observed in the topic that you linked. E.g., "gp... Andrew Bean
10:30 PM Software Development: RE: PRU_gpioToggle example fails sometimes
Andrew,
Another user was able to successfully run the demos on the MityDSP-L138, but perhaps they didn't test thin...
Bob Duke
07:53 PM Software Development: PRU_gpioToggle example fails sometimes
I'm having multiple issues with the PRU example PRU_gpioToggle. In short, it seems like some read/write operations to... Andrew Bean

05/20/2016

05:10 PM Software Development: RE: Problems with the first time configuration
Hi Jonathan,
I imagine that you always work with more experienced users :D , but I'm just starting with this kind...
Hector Bojorquez
04:53 PM Software Development: RE: Problems with the first time configuration
Hector,
Sorry about all this. I am going to see if someone can add some detail to the Quick start guide about ini...
Jonathan Cormier
04:35 PM Software Development: RE: Problems with the first time configuration
Thanks for the quick response,
??Running debug in this case has probably tried to run the program on the VM....
Hector Bojorquez
02:39 PM Software Development: RE: Problems with the first time configuration
Hector Bojorquez wrote:
> Hi everyone!
>
> I have just acquired the PROFIBUS development kit from Critical Link, ...
Jonathan Cormier
02:14 PM Software Development: Problems with the first time configuration
Hi everyone!
I have just acquired the PROFIBUS development kit from Critical Link, I was trying to put it on follo...
Hector Bojorquez
 

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