Activity
From 06/10/2016 to 07/09/2016
07/09/2016
- Hi,
We are considering one of the MitySOM boards for use in one of the projects we are working on. I'm currently g... - 06:24 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: SPI1 controller, access to FLASH and carrier board. NOT linux based.
- Ian St. John wrote:
> Can you confirm that the signal marked as 'reserved' just beside the SPI1_CSC1 is the SPI1_CSC... - 05:56 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: SPI1 controller, access to FLASH and carrier board. NOT linux based.
- Hmm. I asked the EE about the diagram and he was interested in the fact that there was a pull up on the CS line. Appa...
- 12:40 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: SPI1 controller, access to FLASH and carrier board. NOT linux based.
- The eeprom is on the i2c0 bus. I'm assuming you are talking about the SPI Nor flash which is on SPI1_CS0.+
Oops... - 01:23 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: L138 dsplink problem - schedule while atomic bug
- Hi Fred,
Syslink is newer than DSPlink, though in the context of the L138 it's very similar code (syslink evolved ... - 12:11 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: L138 dsplink problem - schedule while atomic bug
- The error collected above was on the bench after making some minor software changes seemingly unrelated with the code...
- 11:23 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: L138 dsplink problem - schedule while atomic bug
- I found the following on the TI site; looks like they struggled with this issue with sys-link... I'm not sure how sys...
07/08/2016
- I think there may be a bug in the dsplink kernel code that causes the scheduler to run after a call to spinlock. "rem...
- 09:33 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: SPI1 controller, access to FLASH and carrier board. NOT linux based.
- Ian St. John wrote:
> I am building and programming a custom board without Linux. Basic embedded drivers running fro...
07/07/2016
- 11:26 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: /sys/class/fpga-bridge directory is empty
- Thank you for letting us know about this, it was a bug that was caused by some updates to the ethernet driver, which ...
07/05/2016
- I am building and programming a custom board without Linux. Basic embedded drivers running from SPI1,CS0 (8MB NOR Fla...
06/30/2016
- 11:08 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: Why do I get a "CALIBRATION FAILED" error during boot?
- Malcolm,
Thanks for catching the typo, it's been updated.
With the CSEL "properly" set and the module still not... - 03:49 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: Why do I get a "CALIBRATION FAILED" error during boot?
- Alex,
Thank you for the reply.
I've checked the "gotchas" wiki page and the CSEL setting was the only thing not... - I downloaded the latest kernel sources from the critical link repo, rebuilt the kernel and .dtb files, and loaded the...
06/29/2016
- 10:01 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: Why do I get a "CALIBRATION FAILED" error during boot?
- Malcolm,
Dan and Adam brought this issue to my attention and I will followup concerning the RMA replacement via e-... - 05:55 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: Why do I get a "CALIBRATION FAILED" error during boot?
- I've tried both suggestions but the result is the same, I get the "CALIBRATION FAILED" message on my first board and ...
06/28/2016
- 11:56 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: Why do I get a "CALIBRATION FAILED" error during boot?
- Dan,
I've downloaded the file you provided the link for but first ...
Adam,
I presently have CSEL[0-1] set t... - 11:39 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: Why do I get a "CALIBRATION FAILED" error during boot?
- There is a CV errata that can cause such a failure. Please check that the CSEL[0-1] pins are set to "00" to avoid a ...
- 11:13 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: Why do I get a "CALIBRATION FAILED" error during boot?
- Hello Malcolm,
I know you said that your current SD card works for one of your SOMs but would you mind trying our ... - I have been using the same module for the last two weeks and today it has started giving the "CALIBRATION FAILED" err...
06/24/2016
- 01:10 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: Building BSP for 5cse
- Hi Sam,
I've been able to recreate what you're seeing. It looks like the devicetree generated through yocto is nam... - 06:41 AM MitySOM-5CSX Altera Cyclone V PCB Development: RE: Development Kit 2.5V VIO, change to 3.0 or 3.3
- Thank you Alex, that's exactly what I wanted to know. I understand your point about the warranty, and proceeding car...
06/23/2016
- 04:47 PM MitySOM-5CSX Altera Cyclone V PCB Development: RE: Development Kit 2.5V VIO, change to 3.0 or 3.3
- Stephen,
Thanks for reaching out to us about this question.
Please note that making any modification to the car... - It looks like banks 3B, 4A, and 8A have their I/O voltage tied to a 2.5V supply on the development kit.
If I want ... - 12:32 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: Building BSP for 5cse
- Hi Sam,
I'm currently re-running the yocto build here to see if I can recreate the issue you are seeing. I will up... - 11:36 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: Building BSP for 5cse
- Hi Alex,
I selected the 5cse for the build, not the 5csx. I have done this full build no fewer than 3 times with ... - 11:17 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: Building BSP for 5cse
- Sam,
I believe that the issue you ran into if following the Yocto wiki steps is that you may have selected the "mi...
06/22/2016
- I am trying to follow your documentation for using Yocto to build an image for the 5CSE on the dev board carrier, and...
- 04:13 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: kernel 3.2 - tcpip stack latency
- Hi Greg,
Than you for your feedback.
Indeed, flag CONFIG_PREEMPT is set in kernel config. As far as we can see...
06/21/2016
- 01:30 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: kernel 3.2 - tcpip stack latency
- Hi Patrice,
Since you are using SCHED_RR I am assuming you are using CONFIG_PREEMPT in your kernel config, correc... - Hello,
We've built an application receiving messages from two devices at a rate of 1 message of 1440 bytes every 1... - 03:45 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: How to add aditional HPS GPIO's
- Hi Alex,
Still a few misnumbered things in the above post.
Anyway, removing the switches from the DTS means tha...
06/20/2016
- 01:15 PM MitySOM-5CSX Altera Cyclone V FPGA Development: RE: HDMI Output and Quartus Versions
- Steve,
We have successfully rebuilt the "HDMI example":https://support.criticallink.com/redmine/projects/5csxbase/... - Hi,
I noticed that the HDMI Output example you've posted was done in Quartus 15.1 but the VM with the toolchain in... - 01:10 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: How to add aditional HPS GPIO's
- Maetthew,
Good catch. Apparently when I did the mapping I started off by one. We have updated the post above to ha... - 02:09 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: How to add aditional HPS GPIO's
- I have noticed that in the DTS the switches are now on the GPIOs that I want to use:
http://support.criticallink.com...
06/19/2016
- 11:26 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: How to add aditional HPS GPIO's
- I'm having some issues setting GPIO37, 40 and 41 from within Linux.
Firstly, in the instructions above, you mentio...
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:...
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. ...
- 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... - We use opkg to push updates to our products that are installed in the field. We now need a way to update the kernel, ...
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...
- 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... - Hi, it's me again,
I'm knowing the Profibus Development Kit (and embedded systems) and for that I'm trying to do s... - 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!
- 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 ... - 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... - 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...
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 '-'.
... - 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 ... - 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... - 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...
- 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, ... - 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...
- 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...
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... - 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:
... - 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...
- 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... - 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...
- 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@:
... - I have been getting a lot of "scheduling while atomic" messages seemingly centered around JFFS2:
@Jun 12 12:08:37 ...
06/10/2016
- The note in the wiki article for getting started with PRU mentions the following:
??A safe design that wanted to u... - 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...
- 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...
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