Mity CPU Platforms

07/18/2013

06:50 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

Solved the problem myself - it turns out that either SER_RS485_RTS_ON_SEND or SER_RS485_RTS_AFTER_SEND must be define... Steven Hill

05:54 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

OK, then it all makes sense. In spite of the way the connector is shown in the documentation I was assuming (never a... Steven Hill

05:20 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

Actually, I take that back. The pin out is illustrated in Figure 2 of the specification....
-Mike
Michael Williamson

05:13 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

Ah,
I think I may see the problem. Those connectors are pinned (on our PCB) for use with a ribbon cable and a DB-... Michael Williamson

05:08 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

My board is 80-000268RI-2B, S/N 132541. I looked at the appropriate document on the page you referenced, and while i... Steven Hill

04:59 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

Hi Steven,
Let's make sure you are referencing the correct revision information for the board (it has been updated... Michael Williamson

04:07 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

I am looking at pins on J504, based on the Industrial IO Board rev C documentation
Curiously, only pins 1,2,3,4,... Steven Hill

03:27 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

OK, here is what I see:
mitydsp@mitydsp-VirtualBox:~/linux-davinci$ git branch
master
* mitydsp-linux-v3.2
mi... Steven Hill

03:24 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

I am assuming it compiled OK.
Are you sure that the write() call is returning successfully? Can you send the full... Michael Williamson

03:22 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

Btw press q to escape @git log@. Jonathan Cormier

03:21 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

Steven,
Run the command @git branch@ to see which branch is selected. It should say mitydsp-linux-v3.2. When you... Jonathan Cormier

03:18 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

OK, I built the new kernel and flashed it to the MityDSP - now uname gives:
Linux mityomapl138 3.2.0+ #1 PREEMPT T... Steven Hill

02:43 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

Sorry - my mistake. I re-installed the toolchain and then realized that I had typed "CROSS-COMPILE" instead of "CROS... Steven Hill

02:06 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

I seem to have the same problems - here is the output from a new shell:... Steven Hill

01:52 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

You only use the HOST native CC, not the cross tools, to build the config file. It seems like you have a CC environm... Michael Williamson

01:41 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

I'm getting errors when I try to build the kernel:
mitydsp@mitydsp-VirtualBox:~/linux-davinci$ make ARCH=arm CROSS... Steven Hill

11:26 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

If you have our repository cloned already....... Michael Williamson

11:14 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

A newbie question - How do I build this particular branch of the kernel? Steven Hill

10:34 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

Thanks for your response. Here is what I get from uname:
Linux mityomapl138 3.2.0 #1 PREEMPT Wed May 15 09:16:03 ED... Steven Hill

03:48 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

Great news Leonid! Thanks for the detailed error messages.
-Bob
Bob Duke

01:32 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

Bob,
That was the problem. It's booting now.
Thanks everybody,
Leonid Leonid Volpert

12:09 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

Leonid,
One more suggestion: did you untar the sample filesystem as root? Or did you untar it as a normal user?
... Bob Duke

01:14 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: 3352 Module can't boot. Unknown memory type.

Tim,
It does boot with a MLO and uboot built from the repository. Just need to put our
SPI changes back in.
T... Anonymous

11:37 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: 3352 Module can't boot. Unknown memory type.

Ok Tim,
I'll pull that in and give it a try.
Thanks,
John C. Anonymous

11:35 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: 3352 Module can't boot. Unknown memory type.

John
The error message you see about "Error - Factory Configuration Invalid" is because the u-boot you downloaded is... Tim Iskander

11:21 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: 3352 Module can't boot. Unknown memory type.

Tim,
The error is using the latest mlo and uboot from the Critical Link website.
John C. Anonymous

11:15 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: 3352 Module can't boot. Unknown memory type.

John
All the 3352 based modules use DDR3, so will all require the new u-boot.
cheers
/Tim Tim Iskander

11:05 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: 3352 Module can't boot. Unknown memory type.

Tim,
Just to add some more info. We tried booting from three different 3352 modules and
they all have the same ... Anonymous

10:25 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: 3352 Module can't boot. Unknown memory type.

Tim,
As a test I downloaded the MLO and uboot from your web site and got the following when trying to boot the 3... Anonymous

10:14 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: 3352 Module can't boot. Unknown memory type.

Thanks Tim,
I'll give it a try.
John C. Anonymous

10:12 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: 3352 Module can't boot. Unknown memory type.

John
You should pull the latest from the AM335XPSP_04.06.00.08 branch on our git repo.
Support for the DDR3 memory ... Tim Iskander

09:27 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: 3352 Module can't boot. Unknown memory type.

Hi,
We've been running the 3359 modules for some time and have shifted to the 3352. The error
message is:
---... Anonymous

12:30 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: EMA_WAIT and bus contention on L138F

One thought:
Is it possible the tri-state drive logic for the data lines off the FPGA is creating bus contention? ... Michael Williamson

12:24 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: EMA_WAIT and bus contention on L138F

Hi Mike,
Thanks for the suggestions.
Not sure I understand what you mean by FPGA access bandwidth. It is being ... Mostafa Afgani

07:32 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: EMC Emissions from MityArm 335X MOdule

Hi Mike,
OK, those numbers were for the CPU running at 500 MHz. The speed of the CPU may change based on what pow... Michael Williamson

07/17/2013

09:17 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

OK. I have added the patch to the mitydsp-linux-v3.2 branch. You should be able to at least see the Tx line toggle ... Michael Williamson

08:55 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

Hi Steven,
Sorry for the confusion. It's not a menuconfig item. There is a patch needed to enable the UART2 pin... Michael Williamson

08:32 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

How would anyone know this? I have looked at the config of the kernel I am using and you are correct, these pins are... Steven Hill

07:05 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

Hello,
Is is possible your kernel may not be setting up the ARM pin multiplexing for UART2? In your baseboard file... Dominic Giambo

06:48 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems

I have attached the files defining the class and showing how I open the serial port. Then I just use standard write c... Steven Hill

05:07 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RS-485 problems

I am trying to get the RS-485 running on my Industrial I/O board with the L-138F. I'm using the example code in "sen... Steven Hill

10:47 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

Lenoid,
It might be helpful to put the filesystem on an SD card and make sure it boots from there.
-Jonathan Jonathan Cormier

10:42 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

Hi All,
I agree, it looks like the original issue is fixed and now problem is happenning after mounting nfs. Proba... Leonid Volpert

09:26 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

On your host, can you type "sudo exportfs" and list the results?
-Mike
Michael Williamson

08:41 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

Leonid,
It looks like nfs may be mounting. I'd expect an error similar to below if it didn't. Is the filesystem o... Jonathan Cormier

07:53 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: EMC Emissions from MityArm 335X MOdule

Hi Mike,
Hold on on that last post. We were looking at the numbers and something does not look correct (there sho... Michael Williamson

07:46 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: EMC Emissions from MityArm 335X MOdule

Hi Mike,
We needed to enable a kernel flag here. Here is a dump of the PLL derived clock tree from our dev kit. ... Michael Williamson

07:38 AM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: EMA_WAIT and bus contention on L138F

Hello,
How much bandwidth are you using for the FPGA accesses? Have you looked with any sort of bus analyzer (per... Michael Williamson

07/16/2013

06:01 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

Hi Bob,
The current status is
1. After installing nfs-utils-client I can mount NFS directory when I boot from SD... Leonid Volpert

05:37 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

Hello Leonid,
In a previous post you had an error running this command:
... Bob Duke

12:07 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: EMA_WAIT and bus contention on L138F

We have a project which uses CS4 and CS5 to write and read data from a pair of FPGA FIFOs respectively. CS4 is used e... Mostafa Afgani

07/15/2013

05:23 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Simple example needed

Thanks for the help. I decided to take a very simple approach and use mmap to access the FPGA, based on the mmap exa... Steven Hill

08:58 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: EMC Emissions from MityArm 335X MOdule

Hi Mike,
I had our lead software engineer try to dump the clock tree per the information you provided but he could... Michael Schantzen

07/14/2013

08:22 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Simple example needed

Answers to questions:
1. The reserved FPGA id's are in the file: $MDK/sw/common/fpga/core_ids.h. I would use core... Michael Williamson

07/12/2013

05:14 PM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: EMC Emissions from MityArm 335X MOdule

Hi Mike,
The module has 2 crystals on it, a 24 MHz (connected to ARM) and a 32 KHz (connected to PMIC).
I don't... Michael Williamson

03:48 PM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: EMC Emissions from MityArm 335X MOdule

Hi,
We have done a number of EMC frequency scans on our product using the MityArm 3352-GX-X27-RC module. There are... Michael Schantzen

04:57 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

Hi Mike,
I was able to mount NFS from the card after installing nfs-utils-client using opkg
Not sure what the nex... Leonid Volpert

01:37 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

Mounting with *-t nfs* option produces the same error message.
Re-saved file in txt format
Leonid. Leonid Volpert

01:18 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

I can't open your word file. (Word says it is corrupt). Can you upload just a plain text file?
I think you need ... Michael Williamson

12:37 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

Hello, Mike
Our basic configuration is an isolated network with 5-6 devices connected via Gigabit Network Switch (... Leonid Volpert

08:18 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

Hello,
I am a little confused. In your posts, you show initial success using 192.168.0.144 as your server. But t... Michael Williamson

03:28 PM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: MityArm 335x Minimum Voltage Operation

Mike,
I have made some changes to my design to try to limit the low end of the operating voltage to 3.2VDC but I d... Michael Schantzen

02:02 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: flash and boot utils

Hi Mike,
I finally took the newest flash loader sources from TI (v2.40) and followed the wiki instructions (http:/... Stéphane Peter

01:58 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: shared memory in the DSP Helloworld example

Thanks mike. That cleared my doubts. Vinod Ganesh

07/11/2013

04:44 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

Mike,
Adding 'eth0' as a device in ip=... does stop system from searching for DHCP.
But instead it gives a Kerne... Leonid Volpert

04:06 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

Hmmm....
Can you try specifying "eth0"? It looks like you have a USB network gadget compiled in (or our default ... Michael Williamson

03:43 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

My first post contains command line and fragment of boot sequence. It does match what I expected.
The full boot se... Leonid Volpert

03:17 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

When the unit boots, it prints out the command line it thinks it receives early in the boot sequence. Can you verify... Michael Williamson

03:08 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration

This is the full list of my u-boot environment variables:
_U-Boot# print__autoload=no
baudrate=115200
bootargs=r... Leonid Volpert

09:50 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Simple example needed

I just thought of another question. Not being familiar with linux, I am wondering what abstraction I might be able t... Steven Hill

09:33 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Simple example needed

OK, I am probably going to have a lot of questions. To start with:
1. What IDs are available to use for my core?
2.... Steven Hill

07:44 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Simple example needed

Hi Steven,
My understanding is that you have your own FPGA IP and want to control it (including catching an interr... Michael Williamson

07:12 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: shared memory in the DSP Helloworld example

Hello Vinod,
The memory allocated is in the OMAP external DDR2 memory, and is actually in the DSPLINK POOL segment... Michael Williamson

06:49 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: shared memory in the DSP Helloworld example

hi,
Where does the memory allocated by GetBuffer() reside? Is it in the external RAM or OMAP's internal memory? Fo... Vinod Ganesh

07/10/2013

07:16 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: flash and boot utils

Hi Mike,
We are using the serial flash tool to replace the preprogrammed U-Boot with an own SysBios based loader app... Stéphane Peter

07:01 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: flash and boot utils

Hello,
Are you using the serial flash tool instead of u-Boot to program application images?
Are you rebuilding ... Michael Williamson

03:28 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: flash and boot utils

Hello,
I rebuilt the SPI serial flash tool (sfh_OMAP-L138.exe) from the MDK_2013_05_15 sources. Therefor I changed... Stéphane Peter

07/09/2013

10:46 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: MItyDSP L138-FI-236-RL Industrial IO Board 80-000268RI-2 rev. B, wont reset and no output on serial port.

Hi,
I am using a nondescript USB to RS232 cable, dmesg tells me its a FTDI USB-RS232 cable, with a FT232RL onboard... Christopher Brunson

09:55 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: MItyDSP L138-FI-236-RL Industrial IO Board 80-000268RI-2 rev. B, wont reset and no output on serial port.

Chris,
Glad to hear of your success... if you don't mind, can you detail your setup a bit. Are you using a USB seria... Tim Iskander

09:50 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: MItyDSP L138-FI-236-RL Industrial IO Board 80-000268RI-2 rev. B, wont reset and no output on serial port.

Hi,
I finally got it working by directly connecting the serial port to the board.
Thanks for the help,
Chris. Christopher Brunson

09:15 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: MItyDSP L138-FI-236-RL Industrial IO Board 80-000268RI-2 rev. B, wont reset and no output on serial port.

Hi,
Swapping up the cables sees to make no difference, and if I plug in my work PC into the supplied cross over ca... Christopher Brunson

07/08/2013

09:09 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: MItyDSP L138-FI-236-RL Industrial IO Board 80-000268RI-2 rev. B, wont reset and no output on serial port.

Chris,
Have you tried to add another null modem adapter into the mix or a straight-thru cable just as a sanity che... Jonathan Cormier

06:54 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: MItyDSP L138-FI-236-RL Industrial IO Board 80-000268RI-2 rev. B, wont reset and no output on serial port.

Hi Bob,
I have been trying with both screen and putty.
Both seem to work fine when I loopback the tx and rx lin... Christopher Brunson

07/07/2013

09:47 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: MItyDSP L138-FI-236-RL Industrial IO Board 80-000268RI-2 rev. B, wont reset and no output on serial port.

Hello Christopher,
What terminal program are you using to connect to the serial port on your PC?
-Bob Bob Duke

07/05/2013

01:10 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: bad timing of RS485 TXE when using omap-serial driver

Yes, you were right regarding the falling of RS485-TXE line after data ends: in the version 3.2 we have the RS485-TXE... Mihai Cristea

11:42 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: MItyDSP L138-FI-236-RL Industrial IO Board 80-000268RI-2 rev. B, wont reset and no output on serial port.

I am trying to load the hello world program.
So I set up the serial port on my pc with the following settings:
... Christopher Brunson

07/04/2013

07:58 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: bad timing of RS485 TXE when using omap-serial driver

I think you are missing part of the patch, which was original written against 3.1 of the kernel.
Take a look at t... Michael Williamson

07:44 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: bad timing of RS485 TXE when using omap-serial driver

Do you see this problem on all the UARTS? Or just UART4?
-Mike
Michael Williamson

02:15 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: bad timing of RS485 TXE when using omap-serial driver

sure, here it is.
I also put the patched omap-serial.c to check that your patch has been properly applied and the po... Mihai Cristea

07/03/2013

03:44 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: bad timing of RS485 TXE when using omap-serial driver

Hello Mihai,
Would you be willing to share your modified send.c code?
-Mike Michael Williamson

03:39 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: bad timing of RS485 TXE when using omap-serial driver

I've used your nice guidelines describe here: http://support.criticallink.com/redmine/projects/armc8-platforms/wiki/D... Mihai Cristea

03:29 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Writing UBIFS rootfs to AM3354 with 512MB NAND

Tim,
Thanks for testing this. My module PN: *80-000517RC-1B*.
I believe the problem is with the lower MTD NAND ... Kim Weller

01:34 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Writing UBIFS rootfs to AM3354 with 512MB NAND

Kim,
Due to the long holiday weekend, i'm not sure this will get looked at until atleast Monday.
Also what is t... Jonathan Cormier

01:32 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Writing UBIFS rootfs to AM3354 with 512MB NAND

For our 512mb nand, I believe the format command should be @ubiformat /dev/mtd8 -s 1024 -O 4096@ but it doesn't work. Jonathan Cormier

01:31 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Writing UBIFS rootfs to AM3354 with 512MB NAND

Testing on a 256MB nand som, I was able to format mtd8 and mount it. {{collapse(See output:)... Jonathan Cormier

01:17 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Writing UBIFS rootfs to AM3354 with 512MB NAND

Kim,
I tried to do the ubiformat on a 512MB nand som here and I ran into the same problem. It marked the whole nand ... Jonathan Cormier

09:36 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Writing UBIFS rootfs to AM3354 with 512MB NAND

Hi Tim,
Could someone at Critical Link send me the commands used for creating the ubifs image and writing it to th... Kim Weller

03:03 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: NFS configuration

I am switching from TI Evaluation Board to MityARM-335x Development Kit. I am using Ubuntu 12.04 host machine for dev... Leonid Volpert

07:49 AM MityDSP (TI TMS320C6xxx Based Products) FPGA Development: RE: How to use the sdram for FPGA and EMIFA bus in MityDSP-Pro board?

Hello Mr. Feng,
I am attaching the DDR MIG Test Bench that we originally used to validate the FPGA DDR connection.... Michael Williamson

02:13 AM MityDSP (TI TMS320C6xxx Based Products) FPGA Development: How to use the sdram for FPGA and EMIFA bus in MityDSP-Pro board?

Hello,
Our project needs a large mount of data transfer, so I want to know the assignment of pin for sdram of FPGA a... 锋 曲

07/02/2013

08:09 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Writing UBIFS rootfs to AM3354 with 512MB NAND

Kim
I am not super familiar with ubifs, but it seems it can be a bit tricky to master. I know it can be done, as som... Tim Iskander

07:14 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Writing UBIFS rootfs to AM3354 with 512MB NAND

Here some additional information that maybe helpful. After ubiformat the erase blocks are all marked BAD.... Kim Weller

05:01 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Writing UBIFS rootfs to AM3354 with 512MB NAND

Hi Tim,
I've been following this steps and it looks like the ubi.img is writing to NAND, but I get error 28 (No sp... Kim Weller

02:53 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Writing UBIFS rootfs to AM3354 with 512MB NAND

Kim
TI has a few pages on this.. check out http://processors.wiki.ti.com/index.php/UBIFS_Support
As long as you pro... Tim Iskander

02:50 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: Writing UBIFS rootfs to AM3354 with 512MB NAND

What's the procedure for creating and writing the Linux UBIFS rootfs to the AM3354 512MB NAND? What ECC is used for t... Kim Weller

04:18 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Simple example needed

Yes, I'm looking for an example similar to the Hello World ARM/DSP project... Steven Hill

03:32 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Simple example needed

Is your ARM processor going to run linux?
Michael Williamson

01:22 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: Simple example needed

I am using the MityDSP L-138F Industrial development board. I am not finding the examples for that board given in th... Steven Hill

10:51 AM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Hardware Reset

On the MityDSP-L138F, RESET_IN pin is fed into a TPS3808G33DBVR reset monitor circuit. It is not connected to the FP... Michael Williamson

10:06 AM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Hardware Reset

Hi Mike,
In effect yes. I was wondering if the device/circuit which drives the reset pin of the OMAP processor is ... Craig Little

07/01/2013

07:49 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Hardware Reset

When there is a power on reset, the FPGA will be re-initialized (the program pin is pulled low) and will require repr... Michael Williamson

10:48 AM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: Hardware Reset

Hi There,
Is there a pin on the MityDSP-L138F processor board FPGA which is attached to a
dedicated power-on/har... Craig Little

06/28/2013

01:19 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: mtd->read (...) returned ECC error

Hi Tim,
since today, the same problems as already mentioned are happening at the moment on my board.
Before I sta... Christian Rückl

06/27/2013

02:15 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: Interfacing with TLK110 Ethernet

We are moving our design away from the Vitesse ethernet chip (VSC8601) included on the Am3359 dev board to a Texas In... Brian Compter

02:10 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: AM3359 Sleep / Power Savings

We are currently using the 3.1 kernel from the critical link git.
Thanks for the info! Brian Compter

04:56 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Fail to boot the kernel after running setup.sh in DVSDK 4.03

Hi Mike & Jonathan,
Really appreciate your help!
The kit could load the kernel now.
-Derek Derek Tan

06/26/2013

04:48 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Fail to boot the kernel after running setup.sh in DVSDK 4.03

Derek,
Where you aware of this wiki page?
http://support.criticallink.com/redmine/projects/arm9-platforms/wiki/Dv... Jonathan Cormier

07:26 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Fail to boot the kernel after running setup.sh in DVSDK 4.03

Hi Derek,
The kernel that comes with the DVSDK (uImage-da850-omapl138-evm.bin) will not work with the MityDSP-L138... Michael Williamson

02:19 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Problem building IndustrialIO project build_lcd_rev_c

I found the solution to the problem. I had to remove the Xilinx device that was in the iMPACT window (left over from... Steven Hill

01:57 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Problem building IndustrialIO project build_lcd_rev_c

OK clearly it's not finding the file (according to the log). Looks like you have spaces in your path to the bit file... Michael Williamson

01:54 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Problem building IndustrialIO project build_lcd_rev_c

That does not seem to work. WHen I double click on "Generate File" I get a big red "Generate Failed" box. The word "b... Steven Hill

01:31 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Problem building IndustrialIO project build_lcd_rev_c

Not having the tools up in front of me. I think you can put more than one bit file into a configuration PROM (to sup... Michael Williamson

01:22 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Problem building IndustrialIO project build_lcd_rev_c

I built a simple project based on files for GPIO_Test from Conor O in the post "Xilinx design suite 14.2 and MDK_2012... Steven Hill

09:02 AM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Problem building IndustrialIO project build_lcd_rev_c

Hi Steven,
The issue here is that entity description for the i2c component has changed since the Rev A and B boar... Gregory Gluszek

07:29 AM MityDSP-L138 (ARM9 Based Platforms) PCB Development: RE: Expansion IO mating headers type

We use "Molex 87759-5050":http://www.mouser.com/ProductDetail/Molex/87759-5050/?qs=%2Fha2pyFadujxwC2WDHBby6OIFIiNwyQw... Michael Williamson

04:55 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Data Transfer over DSPLink

Great!
This works :)
Thanks,
Christian Christian Rückl

06/25/2013

09:30 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Fail to boot the kernel after running setup.sh in DVSDK 4.03

Hi Jonathan,
Thank you for your reply:)
I'm using the Industrial IO Development Kit with MityDSP-L138F. No ch... Derek Tan

10:02 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Fail to boot the kernel after running setup.sh in DVSDK 4.03

Derek,
I'm unclear with what you changed between when it was last working and now.
-Jonathan Jonathan Cormier

12:56 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Fail to boot the kernel after running setup.sh in DVSDK 4.03

I have build the kernel with codes in git://support.criticallink.com/home/git/linux-davinci.git
No more output is ... Derek Tan

04:40 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Difficulty in flashing MLO and U-Boot to the AM3354 with 512MB NAND

Ok I misunderstood. This might be what your looking for. http://stackoverflow.com/a/180368/780194
-Jonathan Jonathan Cormier

04:35 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Difficulty in flashing MLO and U-Boot to the AM3354 with 512MB NAND

It seem the git diif shows me the differences between what I originally cloned from Critical Link and my current chan... Anonymous

04:03 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Difficulty in flashing MLO and U-Boot to the AM3354 with 512MB NAND

You could try @git diff@
-Jonathan Jonathan Cormier

03:57 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Difficulty in flashing MLO and U-Boot to the AM3354 with 512MB NAND

Hey Jonathan,
I've simply modified the files with-in the u-boot-mityarm-335x directory. Would there be
any way to... Anonymous

09:57 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Difficulty in flashing MLO and U-Boot to the AM3354 with 512MB NAND

John,
Depending on how you did your changes you should be able to do a _git pull_ and git will update the repo, me... Jonathan Cormier

04:02 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: Problem building IndustrialIO project build_lcd_rev_c

Following on from a similar question in the forum "Creating FPGA Base-Project - core manager problem" I am trying to ... Steven Hill

03:48 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: CPU Clock and FPGA clock interaction

Based on what you have told me about Linux operating points, I won't be fooling with the CPU frequency. I will find ... Steven Hill

02:51 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: CPU Clock and FPGA clock interaction

Hi Steven,
If you need a specific frequency for your FPGA, I would recommend adding an external Crystal or Oscilla... Michael Williamson

02:59 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: AM3359 Sleep / Power Savings

What version of the kernel are you running?
This might be of some interest.
http://processors.wiki.ti.com/index.p... Jonathan Cormier

01:11 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: AM3359 Sleep / Power Savings

Is there a way to enter a low power state in the AM3359?
I've been attempting different variations on the followin... Brian Compter

06/24/2013

10:28 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Fail to boot the kernel after running setup.sh in DVSDK 4.03

uboot env:
> U-Boot > printenv
> flashuboot=tftp 0xc0700000 mityomap/u-boot-ubl.bin; sf probe 0; sf erase 0x10000... Derek Tan

09:42 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: Fail to boot the kernel after running setup.sh in DVSDK 4.03

Hi all, I have just running setup.sh in DVSDK_4.03, and MityDSP-L138F could not boot the kernel now.
Serial port o... Derek Tan

09:28 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: booting 3359 from NAND only

I'll add to what Mike said a wee bit.
You can use the mtdparts u-boot command to display (and set) mtdparts in u-boo... Tim Iskander

07:23 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: booting 3359 from NAND only

Hi Keith,
I don't think the NAND is actually physically partitioned. It's more of a "table" as you say.
The Ke... Michael Williamson

06:32 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: booting 3359 from NAND only

Hi Tim,
I have just been looking at flashing from the mmc, however, I have managed to confuse myself even more!
Fr... Keith Fletcher

06:09 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: booting 3359 from NAND only

Hi Tim,
Thanks for the quick reply. When you say keep the EEC mode consistent between the u-boot and the kernel is t... Keith Fletcher

03:10 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Networking requires ifup

Bingo. Good catch. I didn't look close enough at the comma/space separators.
Thanks for your help!
Joe. Joe Bauman

03:05 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Networking requires ifup

The big difference between your boot and mine is:
I have... Jonathan Cormier

02:55 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Networking requires ifup

The only thing in the boot log that jumps out at me is:... Joe Bauman

11:38 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Networking requires ifup

Joe,
Looking at the networking startup script, all it does is run ifup -a to bring the interfaces up. Could you t... Jonathan Cormier

11:27 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: Networking requires ifup

Starting a new post for this question.
When the MityDSP (L138F) boots up, I am unable to connect via SSH. I have ... Joe Bauman

02:15 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Difficulty in flashing MLO and U-Boot to the AM3354 with 512MB NAND

Tim,
We just ran across this exact problem with our newly purchased 3354 module(we had been using the 3359's). ... Anonymous

02:00 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: CPU Clock and FPGA clock interaction

For various reasons I would prefer an FPGA clock of 96 MHz. Am I right in assuming that if I modify the kernel to ge... Steven Hill

10:29 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: DSP Helloworld execution error

commenting out the deletes solved the problem
thanks Vinod Ganesh

08:57 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: DSP Helloworld execution error

Vinod,
If you look at the arm_main.cpp file, the application doesn't wait for you to press q. Its currently setup... Jonathan Cormier

05:46 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: DSP Helloworld execution error

hi,
I could successfully compile the arm_main.cpp in eclipse and dsp_main.cpp in ccs. But upon execution the exit ... Vinod Ganesh

10:21 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Missing Angstrom Packages

Good to know.
As far as eth0 not coming up some things to look at:
* Make sure that ip=dhcp was passed to kernel... Jonathan Cormier

09:51 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Missing Angstrom Packages

Thanks Jonathan -
That worked just fine - I started down that path but didn't get the right combination of package... Joe Bauman

10:09 AM MityDSP (TI TMS320C6xxx Based Products) Software Development: RE: MityDSP Pro development kit boot anormally

Hi Mike, thanks again for your reply.
I tried to regulate the RECONFIG_CLOCKS() to recover the board but the core h... Xiao WANG

08:12 AM MityDSP (TI TMS320C6xxx Based Products) Software Development: RE: MityDSP Pro development kit boot anormally

The problem you are having is that the FPGA logic is using the EMIFA clock with a PLL as the main logic clock within ... Michael Williamson

07:39 AM MityDSP (TI TMS320C6xxx Based Products) Software Development: MityDSP Pro development kit boot anormally

Hello,
I am using the MityDSP-Pro development kit. Recentlly I find the board behaviors strangely.
I was debuggin... Xiao WANG

10:05 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: DSP Hello World error message

Thanks for your help Nick Arango

09:02 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: DSP Hello World error message

Nick,
I've just updated the wiki page with a new arm_main.cpp and cleaned up some of the instructions. The error ... Jonathan Cormier

09:02 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Warning messages when running DSP Hello World

Nick and François,
I've just updated the wiki page with a new arm_main.cpp and cleaned up some of the instructions... Jonathan Cormier

07:12 AM MityDSP (TI TMS320C6xxx Based Products) Software Development: RE: How to implement the SetOuput function in the tcDspOutputLatch class for DAC application?

Hi Michael, thanks for your reply.
I am using the MityDSP-PRO Development Kit with the Critical Link provided extent... Xiao WANG

06/23/2013

04:51 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: Core Creation Guidelines

The link to "FPGA Core Creation Guidelines" appears to be broken in the Wiki - can anyone point me to the relevant in... Steven Hill

01:38 PM MityDSP-L138 (ARM9 Based Platforms) PCB Development: Expansion IO mating headers type

Hi
Wat are recomended type of male headers mating with the Industrial IO Development Kit expansion IO connectors J... Henryk Kowalski

06/21/2013

02:49 PM MityDSP (TI TMS320C6xxx Based Products) Software Development: RE: How to implement the SetOuput function in the tcDspOutputLatch class for DAC application?

The tcDspOutputLatch class is simply an interface class. The tcdspDacTlv5610 class needs to be able to drive the Chi... Michael Williamson

10:35 AM MityDSP (TI TMS320C6xxx Based Products) Software Development: How to implement the SetOuput function in the tcDspOutputLatch class for DAC application?

Hello,
I am using the MDK on MityDSP-Pro, the documentation of the on board TLV5610 DAC module says:
??The tcDspDac... Xiao WANG

11:47 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Missing Angstrom Packages

I was using the latest MDK filesystem but I suspect it will work the same for your version.
-Jonathan Jonathan Cormier

11:46 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Missing Angstrom Packages

Joe,
This seems to be a problem with the latests Angstrom repos. I was able to find a forum post related to this.... Jonathan Cormier

11:21 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: Missing Angstrom Packages

Good Morning -
Has anyone had any luck getting "missing" Angstrom packages installed when using the 2012-08-10 MDK... Joe Bauman

07:45 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: booting 3359 from NAND only

Keith
Make sure that the ECC mode is consistent between u-boot (where you are flashing the ubifs) and the kernel. Al... Tim Iskander

12:31 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: booting 3359 from NAND only

The hundreds of "ECC: uncorrectable." messages were due to "nandecc hw 2" line in my environment variables. I discov... Keith Fletcher

06/20/2013

11:42 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: booting 3359 from NAND only

Hi,
I have been trying to get my 3359 system up and running from NAND, using a combination of Critical Link and TI i... Keith Fletcher

09:21 PM MityDSP (TI TMS320C6xxx Based Products) Software Development: C:\MityDSP\2.12\software\demo\CCSV5\UDP_echo

Built UDP_echo dbugPro configuration.
usinf spectrum digital XDS510 usb emulator.
cannot connect to the emulator fo... Krishna Vallabhaneni

03:35 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: DSP Hello World error message

[Edit] Woops I quoted myself instead of edited. Jonathan Cormier

03:35 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: DSP Hello World error message

Steven,
I just followed the [[DSP_Hello_World]] tutorial and didn't have the same build errors you did. It should... Jonathan Cormier

11:12 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Data Transfer over DSPLink

Messages don't have to be strings. You can create message structures (and include headers, for example, that contain... Michael Williamson

10:13 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: Data Transfer over DSPLink

Hi,
I was able to run the "DSP Hello World" totorial in the wiki but there i can only transfer messages between bo... Christian Rückl

10:07 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: GPIO Output immediately after power on

Thanks Mike,
the stronger pull downs should be acceptable in my design.
christian Christian Rückl

06/19/2013

09:16 PM MityDSP (TI TMS320C6xxx Based Products) Software Development: RE: Mitydsp Pro compile and link errors

How do you set the active configuration to DebugPro?
Krishna Krishna Vallabhaneni

05:22 PM MityDSP (TI TMS320C6xxx Based Products) Software Development: RE: Mitydsp Pro compile and link errors

Hi Krishna,
Assuming you are trying to build for the MityDSP Pro, did you set the active configuration to DebugPro... Dave Stehlik

05:00 PM MityDSP (TI TMS320C6xxx Based Products) Software Development: RE: Mitydsp Pro compile and link errors

CHIP_6711 was removed from the compiler predefined variables. The build produces the same errors.
CHIP_6455 was adde... Krishna Vallabhaneni

06:48 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: DSP Hello World error message

Hi:
I'm getting the same assertions. I re-flashed the kernel and the file system on the board with the latest ima... Steven Hill

01:39 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: GPIO Output immediately after power on

The only way I know of is to use stronger pull downs (1 or 2K I think) externally. You'll burn a bit more power and ... Michael Williamson

12:51 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: GPIO Output immediately after power on

Ohh, OK.
I found a way at Ti's support page how to change the UBL to set the defaultstate of the PUPDSEL-registers... Christian Rückl

12:14 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: GPIO Output immediately after power on

Keep in mind that the OMAP-L138 also has built in pull-up and pull-down resistors on just about every pin.
On rese... Michael Williamson

12:02 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: GPIO Output immediately after power on

Tim,
thanks for the fast reply!
The following Pins on the L138 (no FPGA-Version)SoM are driven at the beginning... Christian Rückl

11:34 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: GPIO Output immediately after power on

Christian,
there are 2 possibilities for where pins are being enabled and potentially toggled. A lot of this depends... Tim Iskander

10:34 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: GPIO Output immediately after power on

Hi,
Does anybody know where it comes from, that i get immediately a signal on some pins after the module is powere... Christian Rückl