Mity CPU Platforms

06/17/2016

08:25 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Flashing a new kernel to NOR from Linux rather than u-boot

Here are the results from my board/MDK:... Fred Weiser

06/16/2016

05:43 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Flashing a new kernel to NOR from Linux rather than u-boot

Alternatively it may be possible for you to build the kernel features as modules and insert them in the live system. ... Jonathan Cormier

05:39 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Flashing a new kernel to NOR from Linux rather than u-boot

Fred,
Do you have /dev/mtdblock* devices? My kernel boot args have this "root=/dev/mtdblock0", so my assumption i... Jonathan Cormier

05:26 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: Flashing a new kernel to NOR from Linux rather than u-boot

We use opkg to push updates to our products that are installed in the field. We now need a way to update the kernel, ... Fred Weiser

06/15/2016

05:14 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: How to configure the GPIOs as outputs?

Do note that the custom baseboard instructions were written for the 335x family. So some things will be slightly diff... Jonathan Cormier

04:14 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: How to configure the GPIOs as outputs?

Héctor,
Please check the last section of this page for information on how to review and set the pinmux for the dev... Bob Duke

03:11 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: How to configure the GPIOs as outputs?

Hi, it's me again,
I'm knowing the Profibus Development Kit (and embedded systems) and for that I'm trying to do s... Hector Bojorquez

11:00 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Problems with the first time configuration

Now it's working, thanks a lot Jonathan! Hector Bojorquez

10:02 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Problems with the first time configuration

Hector Bojorquez wrote:
> > This is a error is normal and doesn't hurt anything.
> *
> So, the reflashing process ... Jonathan Cormier

09:55 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Problems with the first time configuration

> This is a error is normal and doesn't hurt anything.
*
So, the reflashing process went well?*
> If you don't h... Hector Bojorquez

08:38 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Problems with the first time configuration

Hector Bojorquez wrote:
> >There shouldn't be a space in the console arg. "console=ttyS1,115200n8"
> >Also root sh... Jonathan Cormier

06/14/2016

05:45 PM MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Pinmux changes back on its own

I can confirm that doesn't appear to work.... Jonathan Cormier

10:29 AM MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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

06:36 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: USB on MitySOM-5CSx Development Kit

i used you git repo and compiled using poky toolchain
/usr/lib/git-core/git-ls-remote git://support.criticallink.c... aggelis aggelis

05/23/2016

11:11 PM MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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

09:21 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: USB on MitySOM-5CSx Development Kit

Hello,
I see from your defconfig that you are using the 3.12 kernel, is this from our git repository or is this A... Daniel Vincelette

05/20/2016

05:10 PM MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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 MityDSP-L138 (ARM9 Based Platforms) 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

07:53 AM MitySOM-5CSX Altera Cyclone V Software Development: USB on MitySOM-5CSx Development Kit

I bought a miniB to type A connector in order to connect to MitySOM-5CSx Development Kit USB port various slave devi... aggelis aggelis