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From 05/29/2014 to 06/27/2014

06/27/2014

08:36 PM Software Development: uPP delay between transmissions
We are trying to use uPP to send data from the DSP to the FPGA. The problem is that there is a delay of about 8 micro... Udi Fuchs

06/26/2014

11:22 AM Software Development: RE: SSD on MityDSP-L138F
Hannes,
As mentioned in the errata, they do not recommend the "reset" approach because they cannot guarantee that ...
Bob Duke
08:25 AM Software Development: RE: Where to download the document about Memory Map and Register Address of IO Board 80-000268RI-2C and OMAPL138F
These are provided by TI. You can find them here: http://www.ti.com/product/OMAP-L138/technicaldocuments
You shoul...
Jonathan Cormier
08:16 AM Software Development: RE: Where to download the document about Memory Map and Register Address of IO Board 80-000268RI-2C and OMAPL138F
The memory map of the OMAP-L138 can be found on TI's main "OMAP-L138 web page":http://www.ti.com/product/omap-l138 (s... Michael Williamson

06/25/2014

10:58 PM Software Development: Where to download the document about Memory Map and Register Address of IO Board 80-000268RI-2C and OMAPL138F
only some brief documents are found in wiki,
Where can I download the document about Memory Map and Register Address...
yanqing lu
04:02 PM FPGA Development: RE: DSP to FPGA SPI Setup Question
Hello,Mike
Thank you very much.
lijun yang
12:42 PM FPGA Development: RE: DSP to FPGA SPI Setup Question
What is your target update rate? Continuous?
You might try first to rip out all of the overhead on the tcDspFpgaS...
Michael Williamson
11:32 AM FPGA Development: RE: DSP to FPGA SPI Setup Question
Hello,Mike
Thank you for your help.
I have attached two pic
----one is the SPI bits transfer rate(This is our des...
lijun yang
10:47 AM FPGA Development: RE: DSP to FPGA SPI Setup Question
Can you check with a scope at what the clock rate is on the SPI device, and the interword write delay? I just want t... Michael Williamson
10:39 AM FPGA Development: RE: DSP to FPGA SPI Setup Question
Update and followup question from the customer:
We have made the SPI work, but transmitting the word to word is sl...
Alexander Block
12:01 PM Software Development: RE: Interrupting the ARM from the DSP
Thanks. This does what I wanted.
On the DSP side:...
Mary Frantz
09:11 AM Software Development: RE: Interrupting the ARM from the DSP
I think that you are confusing signals and interrupts a bit.
You need to write some kernel module code to register...
Michael Williamson
08:26 AM Software Development: RE: Interrupting the ARM from the DSP
Yes, I am familiar with DSPLink and am using it. However, I have time requirement that DSPLink cannot meet. Polling ... Mary Frantz
08:01 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
There you are. Note that i had to change the initialization in the code as noted above. Hannes Klas
07:26 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
If you don't mind, could you post your config.gz file? Michael Williamson
05:37 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
Hey again,
i tried changing it from DMA to PIO. Now, everything seems to work. Device is readable, writable and mo...
Hannes Klas
05:41 AM Software Development: SSD on MityDSP-L138F
Hey folks,
I'm trying to use a SSD instead of a HDD on the L138F.
I found in the errata that the OMAP-L138 has...
Hannes Klas
02:12 AM Software Development: RE: TPS65023 VDCDC2 and VDCDC3 constraints
Jonathan, thank you, I will track your branch. Andrey Mozzhuhin

06/24/2014

05:41 PM Software Development: RE: Interrupting the ARM from the DSP
Hello Mary,
I'm not sure what the problem is in your specific example as we almost always use DSPLink to to commu...
Gregory Gluszek
02:08 PM Software Development: Interrupting the ARM from the DSP
I would like to have the DSP (running BIOS 5) interrupt the ARM (running Linux MDK_2012-08-10)
In the DSP Code:
...
Mary Frantz
12:04 PM Software Development: RE: TPS65023 VDCDC2 and VDCDC3 constraints
Andrey,
Not sure if its any help but I've pushed a work in progress 3.14 branch to our git. Its based off the main...
Jonathan Cormier

06/23/2014

10:25 AM PCB Development: RE: MityDSP-L138 processor running hot
All unused connections are no connects.
Ed Smith
09:59 AM PCB Development: RE: MityDSP-L138 processor running hot
I have attached a plot showing the rise of the supply on the baseboard (channel 2) and the Mity card (channel 1). As ... Ed Smith
09:54 AM PCB Development: RE: MityDSP-L138 processor running hot
What are you doing with unused connections on the module?
Michael Williamson
09:52 AM PCB Development: RE: MityDSP-L138 processor running hot
It remains hot until the next power cycle. A reset cycle alone does not give an improvement.
Ed Smith
09:15 AM PCB Development: RE: MityDSP-L138 processor running hot
On non-FPGA variants, DVDD3318_A, DVDD3318_B, and DVDD3318_C are all tied to 3.3V.
Does the issue only occur durin...
Michael Williamson
09:07 AM PCB Development: RE: MityDSP-L138 processor running hot
All our I/O to the card is 3.3V. The OMAP processor has 3 configurable power groups which can be connected to 3.3V or... Ed Smith
07:56 AM PCB Development: RE: MityDSP-L138 processor running hot
Ok.
I suspect the issue may be related to I/O voltage levels (you have I/Os being driven or pulled to a value larg...
Michael Williamson
07:51 AM PCB Development: RE: MityDSP-L138 processor running hot
We are using a baseboard developed for our application. I'm happy to share the schematic. Let me know how to get that... Ed Smith
07:06 AM PCB Development: RE: MityDSP-L138 processor running hot
Hi Ed,
Are you running on a DevKit or on a custom board? Would you be willing to share your schematic (privately ...
Michael Williamson
05:32 AM PCB Development: MityDSP-L138 processor running hot
We are some way into the development of using the MityDSP-L138 platform. I recently noticed that about 50% of the tim... Ed Smith

06/21/2014

03:49 AM Software Development: RE: TPS65023 VDCDC2 and VDCDC3 constraints
Jonathan, nothing special only setup kernel config (attached).
I use Yocto Project Daisy toolchain and kernel from g...
Andrey Mozzhuhin

06/20/2014

02:17 PM Software Development: Real time SATA writes
I am having some trouble with a data acquisition system.
Using MDK_2012-08-10
There are two tasks (among others...
Mary Frantz
02:12 PM Software Development: RE: TPS65023 VDCDC2 and VDCDC3 constraints
Andrey, Can you share your linux 3.14 port. What did you have to change to get it working? Are you using device tr... Jonathan Cormier
12:57 PM FPGA Development: DSP to FPGA SPI Setup Question
Hello,ALL
I want to test the DspFpgaSpi, but not successfully setup,Could anyone give me some instructions?
Before ...
lijun yang

06/19/2014

09:13 PM FPGA Development: RE: Looking for help about SPI core communicate with DSPFPGAspi
Hello,
Your CORE_GPIO_MODULE and base address (0x66000080) do not match one another. The address should be the CO...
Gregory Gluszek
02:26 PM FPGA Development: RE: Looking for help about SPI core communicate with DSPFPGAspi
Hello.
Ask the same questions about the GPIO
I also try to use the DSP to communicate with FPGA
The follow is the ...
lijun yang
01:09 PM FPGA Development: RE: Looking for help about SPI core communicate with DSPFPGAspi
Hello,
...
Gregory Gluszek
03:27 PM FPGA Development: RE: Help me check out the gpio Setup,It is not work.
Thank you very much,Mike lijun yang
03:11 PM FPGA Development: RE: Help me check out the gpio Setup,It is not work.
The address for the constructor is not correct. The Address is: the CORE offset times 0x80 bytes + 0x66000000.
In...
Michael Williamson
02:58 PM FPGA Development: Help me check out the gpio Setup,It is not work.
Hello.
Ask the same questions about the GPIO
I also try to use the DSP to communicate with FPGA
The follow is the ...
lijun yang
08:54 AM Software Development: RE: TPS65023 VDCDC2 and VDCDC3 constraints
Mike, thank you for fast response.
In Linux 3.14 (from Yocto Project) this leads to disabling cpufreq because it c...
Andrey Mozzhuhin
08:29 AM Software Development: RE: TPS65023 VDCDC2 and VDCDC3 constraints
In the hardware, the TPS65023 used for the MityDSP-L138 has the following voltages that are defaulted using the hardw... Michael Williamson
07:39 AM Software Development: TPS65023 VDCDC2 and VDCDC3 constraints
Hello,
I use MityDSP-L138F and Linux kernel from git://support.criticallink.com/home/git/linux-davinci.git but wan...
Andrey Mozzhuhin

06/18/2014

12:57 PM Software Development: RE: USB2.0 Host on MityDSP-L138F
When I enabled the dma I got the following errors when i plugged in the flash drive.... Jonathan Cormier
11:07 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
I was able to scp a 12 MB file without any errors Jonathan Cormier
11:05 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
Also you can buy the cables prebuilt.
USB mini 5 pin to USB A Female
http://www.amazon.com/USB-Female-Mini-Male...
Jonathan Cormier
10:41 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
How were you experiencing the unstable ethernet? Just transferring a file? Jonathan Cormier
10:36 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
That changed stuff a bit. I now get more messages and the usb-msd driver seems to wake up.
But during initializati...
Hannes Klas
10:12 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
Hannes, please let us know if this resolves your issue. We actually fixed this same problem on our MitySOM-335x modul... Bob Duke
09:54 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
Got it working.... Jonathan Cormier
09:11 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
I don't think so. Udev primarily loads the driver and gets called once the driver does something. In the boot log you... Hannes Klas
09:03 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
Wondering if this is perhaps a udev issue? Michael Williamson
08:58 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
Exactly. But the mass storage driver itself gets loaded and then stalls (no /dev/sd* gets created). Hannes Klas
08:23 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
Ok I was able to get things to the point where it will atleast detect the insertion of the flash drive by changing th... Jonathan Cormier
01:52 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
I tried changing between PIO and DMA before. That changed nothing about the problem - It enumerates the device and th... Hannes Klas

06/17/2014

02:21 PM FPGA Development: Looking for help about SPI core communicate with DSPFPGAspi
Hello,All
I have followed the instruction posted by Michael Williamson. The spi core on FPGA
--https://support.cr...
lijun yang
11:51 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
Heres my bootlog. I'm having a hard time getting the mini usb working at all, in either host or peripheral mode. I ... Jonathan Cormier
10:11 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
There you are.
That's the dmesg right after startup, with the card reader plugged in during startup. I enabled USB...
Hannes Klas
09:40 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
OT: Hannes, can you please double check your email address in your profile, I (admin) am getting bounced email warnin... Tim Iskander
09:27 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
Could you post a full boot log? I'd like to compare it with what I'm getting. Also would be nice to see the connect... Jonathan Cormier
04:16 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
Hi Bob,
Here's the file.
Thanks
Hannes
Hannes Klas

06/16/2014

10:08 AM Software Development: RE: USB2.0 Host on MityDSP-L138F
Hannes,
Can you upload your kernel .config file? We have seen similar problems on our 335x product line that were ...
Bob Duke
07:15 AM Software Development: USB2.0 Host on MityDSP-L138F
Hello everyone,
I'm trying to use the USB2-OTG on the MityDSP-L138F as a USB2 Host to connect a few USB-Mass Stora...
Hannes Klas

06/06/2014

06:36 PM Software Development: RE: DSP HelloWorld
Flashing the 2014 MDK files solved all the problems. For some reason installing the U-boot bricked my board, but foll... Udi Fuchs
08:37 AM Software Development: RE: DSP HelloWorld
The filesystem and kernel that ship preprogrammed on the L138 is quite old. You should have more luck if you flash t... Jonathan Cormier
10:02 AM Software Development: RE: Login uncorrect from serial connection and correct from ethernet connetion
Silvano, as a test, you can rename the securetty file which should eliminate any restrictions on root logins.
Bob Duke
09:51 AM Software Development: RE: Login uncorrect from serial connection and correct from ethernet connetion
My securetty file has following at the top of the file which i didn't see in the file you posted.... Jonathan Cormier
09:49 AM Software Development: RE: Login uncorrect from serial connection and correct from ethernet connetion
I updated to the latest filesystem and got similar results to my previous post. Jonathan Cormier
08:54 AM Software Development: RE: Login uncorrect from serial connection and correct from ethernet connetion
Testing this on a L138 at my desk. I am able to login as root over ssh using any password including an empty passwor... Jonathan Cormier
08:47 AM Software Development: RE: Login uncorrect from serial connection and correct from ethernet connetion
Is there something wrong?
Any idea?
Silvano Bertoldo
08:19 AM Software Development: RE: Login uncorrect from serial connection and correct from ethernet connetion
Attached you can find:
- a startup screenshot;
- the content of /etc/ folder;
- the file securetty.
Let me know...
Silvano Bertoldo
08:01 AM Software Development: RE: Login uncorrect from serial connection and correct from ethernet connetion
From serial I do the access without password but when I write "root" at login it tells me "login incorrect".
From et...
Silvano Bertoldo
08:00 AM Software Development: RE: Login uncorrect from serial connection and correct from ethernet connetion
Normally, this is not a problem. can you check if there is an /etc/securetty file ( http://www.faqs.org/docs/securing... Tim Iskander
07:58 AM Software Development: RE: Login uncorrect from serial connection and correct from ethernet connetion
Did you set a password for the root shell? Normally there is no password by default. How did you set the password?
...
Michael Williamson
07:57 AM Software Development: RE: Login uncorrect from serial connection and correct from ethernet connetion
Does anybady has any suggestion?
It is important for me, not only to have the access from ethernet, but also from se...
Silvano Bertoldo

06/05/2014

06:28 PM Software Development: DSP HelloWorld
I'm trying to setup a development environment for the MityDSP-L138 to write DSP code.
I got the DSP HelloWorld tes...
Udi Fuchs
06:34 AM Software Development: Login uncorrect from serial connection and correct from ethernet connetion
Dear all,
I have a strange problem.
I hava my MityDSP connected to my pc through both a serial cable and a ethe...
Silvano Bertoldo
06:24 AM Software Development: RE: Kernel loading module problems MityDSP and FPGA configuration
I have corrected all the CRC error rounding the filesize parameters to the correct values.
I have also recompiled th...
Silvano Bertoldo

06/04/2014

08:57 AM Software Development: RE: Kernel loading module problems MityDSP and FPGA configuration
The filessize should be rounded to 0x800 bytes, which I think should be 0x150C800, not 0x150E000.
-Mike
Michael Williamson
08:49 AM Software Development: RE: Kernel loading module problems MityDSP and FPGA configuration
Dear all
As I got a lot of CRC errors, here are some question:
1 My .jffs2 file is about 21 MB (22070432 bytes) w...
Silvano Bertoldo

06/03/2014

08:48 AM Software Development: RE: Kernel loading module problems MityDSP and FPGA configuration
Dear Michael,
I tried to run the command you told me. Everything was ok until I copied the fpga_ctrl file on the t...
Silvano Bertoldo

06/01/2014

11:49 AM Software Development: RE: How to run bin application via u-boot?
> If I knew the answer to using a bin file beyond "go", as you asked before, I would have told you before. :^)
I'm S...
Ahmed Shaaban
10:19 AM Software Development: RE: How to run bin application via u-boot?
Hi Ahmed,
If I knew the answer to using a bin file beyond "go", as you asked before, I would have told you before....
Michael Williamson
04:39 AM Software Development: RE: How to run bin application via u-boot?
Hi Mike,
I have set the compiler option to "--symdebug:none" and the size of the .out file generated is also 3 MB.
...
Ahmed Shaaban

05/30/2014

11:02 AM Software Development: RE: Kernel loading module problems MityDSP and FPGA configuration
Did you also rebuild the FPGA drivers? They are not in-tree in the kernel git repository. They are located in the b... Michael Williamson
10:40 AM Software Development: RE: Kernel loading module problems MityDSP and FPGA configuration
Dear Michael,
let me know if my way of working is right:
1) I wrote my own baseboard-industrialio.c file as repor...
Silvano Bertoldo
07:30 AM Software Development: RE: Kernel loading module problems MityDSP and FPGA configuration
Hello,
We have many customers able to load and run modules with the MityDSP-L138, it's not obvious what the issue ...
Michael Williamson
04:00 AM Software Development: RE: Kernel loading module problems MityDSP and FPGA configuration
Dear all,
attached you can find a text (LinuxLoading.txt) file where I captured the entire boot together with the ...
Silvano Bertoldo
03:45 AM Software Development: RE: How to run bin application via u-boot?
Michael Williamson wrote:
> Just to confirm, you have the compiler option "--symdebug:none" in your release compile ...
Ahmed Shaaban

05/29/2014

04:29 PM Software Development: RE: How to run bin application via u-boot?
Ahmed,
I believe Mike was suggesting that you build the application as a "release" version without any debugging a...
Alexander Block
04:04 PM Software Development: RE: How to run bin application via u-boot?
Just to confirm, you have the compiler option "--symdebug:none" in your release compile and link options?
-Mike
Michael Williamson
03:51 PM Software Development: RE: How to run bin application via u-boot?
Hi Mike,
I have tried what you mentioned and it didn't work.
I'll wait your trial.
Thanks in advance.
Ahmed Shaaban
03:02 PM Software Development: RE: How to run bin application via u-boot?
I think you need to strip the .out file (make a release version that removes the debugging information).
If I get ...
Michael Williamson
01:48 PM Software Development: RE: How to run bin application via u-boot?
Posting some previous direct followup e-mails from the customer.
I have followed the steps of the Starterware wiki...
Alexander Block
10:47 AM Software Development: RE: Kernel loading module problems MityDSP and FPGA configuration
Hi,
Can you please capture the entire boot up on the console to a text file and set it over?
Or at least run "u...
Michael Williamson
10:38 AM Software Development: RE: Kernel loading module problems MityDSP and FPGA configuration
Dear Bob,
when I try to load the modules with "insmod fpga_ctrl.ko" I get an error with "Function non implemented"...
Silvano Bertoldo
09:30 AM Software Development: RE: Kernel loading module problems MityDSP and FPGA configuration
Hi Silvano,
Jon was referring to the kernel modules explicitly. The modules need to be installed in your target ro...
Bob Duke
08:47 AM Software Development: RE: Kernel loading module problems MityDSP and FPGA configuration
I report before that I recompile the kernel every time I made a modificatuon on the baseboard file.
In fact the link...
Silvano Bertoldo
08:24 AM Software Development: RE: Kernel loading module problems MityDSP and FPGA configuration
Its hard to tell from those error messages whats going on but have you tried recompiling the kernel modules when you ... Jonathan Cormier
07:38 AM Software Development: Kernel loading module problems MityDSP and FPGA configuration
Hello everybody.
I am Silvano Bertoldo, I mainly work on the software side of MityDSP and I have a big problem abo...
Silvano Bertoldo
09:53 AM Software Development: RE: Compiler does not run in VM
Also our vm does come with the toolchain installed. I'm unsure why you were unable to locate it.
Try looking in /u...
Jonathan Cormier
09:29 AM Software Development: RE: Compiler does not run in VM
Yes. You need to run the 32-bit version in the VM if your VM is a 32-bit architecture.
on your VM type "uname -a"....
Michael Williamson
09:26 AM Software Development: Compiler does not run in VM
Hello- I'm new to the MityDSP platform and I am having trouble getting the development environment working. I have i... Tom Tatakis
 

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