Activity
From 04/28/2012 to 05/27/2012
05/25/2012
- CK 07:45 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: KSZ8995MA Ethernet Switch Support
- Mike
I can't find what is causing these two error messages. Any help would be appreciated.
Also, I am no expert on the git system. I have download a new version of the kernel version 3.3.7.
If I use "git merge ../linux-3.3.7 mas...
05/24/2012
- TI 01:33 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Flashing NAND from SD Card
- Raja
The MTD partitions set up in the kernel are also the positions uboot expects
things to be in
Creating 8 MTD partitions on "omap2-nand.0":
[ 1.088561] 0x000000000000-0x000000020000 : "SPL"
[ 1.094898] 0x000000020000-0x0000000400... - RV 11:47 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Flashing NAND from SD Card
- Hi,
I could load bootloader to NAND and my boot log is as below. Flashed MLO at 0x0 and u-boot.img at 0x40000. u-boot image size is more than 256KB which will be written beyond the address 0x80000.
which address to write environmen... - MW 10:23 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: KSZ8995MA Ethernet Switch Support
- Charlie,
A quick thing that could be a problem are these messages: - CK 10:14 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: KSZ8995MA Ethernet Switch Support
- Mike
I have been working on getting linux kernel version 3.3.0+, which I downloaded from linux-davinci, working on the MiyDSP-l138 board, both when mounted on the industrialio board and on our development board, on our board principal...
05/21/2012
- RV 06:06 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Flashing NAND from SD Card
- Hi Tim,
Do we have any answer on this.
I found one thing interesting from booting sequence of the board.
Below are the details on partitioning of NAND. Do we have to follow these adresses while flashing NAND? If so memory 0x260000... - MW 11:05 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- The error you are seeing is from the I2C device not seeing the proper ACK response from the I2C slave device when it issues the request.
Can you get a scope on the I2C lines and set a trigger during either of the transactions above?
... - RV 10:57 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Hi Mike,
I am coming back to you after long time. we have created setup with the slave connected on mityarm.
Attaching application code for your reference.
#include<stdio.h>
#include<fcntl.h>
#include<unistd.h>
#include<sys/i... - GG 09:48 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Warning messages when running DSP Hello World
- Hi François,
We've seen this issue before, but haven't been able to track it down yet. It seems to be benign, so I would not worry about it for now. I'll be sure to post any updates here if we find anything else out.
\Greg
05/19/2012
- BB 10:40 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Downloading and Installing the Virtual Machine?
- Thanks Mike!
- MW 06:56 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Downloading and Installing the Virtual Machine?
- I think there is a link to the VM appliance, I'll try to get someone to post that for you.
There is a newer image, but it simply has the newer MDK images and toolchains installed as well as support for the MityARM-335X (Cortex-A8 prod... - Hi Folks,
The Wiki says the current version of the VM appliance can be downloaded, but I can't find a download link. Does one exist?
I have the VM from the DVD that came with my board (dated Monday, April 11, 2011 9:10 AM). Is this...
05/18/2012
- Hi,
I was able to walk-through the DSP_Hello_World tutorial. The test applications seems to run well until arm application ends. There are assertion messages printed at the end. It happends only when the arm application uses the relea... - RV 12:14 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Flashing NAND from SD Card
- Hi Tim,
I have flashed as mentioned above.
But even now u-boot prompt is not appearing after booting from NAND.
Log is mentioned below.
U-Boot SPL 2011.09-00000-g23e81b9-dirty (Feb 24 2012 - 11:15:23)
Texas Instruments Revision ... - TI 10:42 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Flashing NAND from SD Card
- Raja
Your uboot image is 373252 bytes long
you are only erasing/writing 0x40000, which is 262144 (256k)
try erasing 0x80000 and use the command
U-Boot# nand write.i 0x82000000 0x40000 ${filesize}
to write it.
cheers
/Tim - RV 10:08 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Flashing NAND from SD Card
- Hi Tim,
I have followed your instructions and flashed NAND with MLO at 0x20000 and u-boot.img at 0x40000. but the booting stops during NAND boot. Ihave updated the log for your reference. Could you please check on this what could be w... - CK 07:47 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: KSZ8995MA Ethernet Switch Support
- Mike
Thanks, that did the job.
The bad news is that 3.2.0 does not have KS8995 support. It seems that this only starts in 3.3.0
regards
Charlie - MW 06:22 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: KSZ8995MA Ethernet Switch Support
- I don't think your compiled correctly or uploaded the correct uImage to the machine.
The "Image Name: Linux-2.6.34-rc1-00098-ga450029-" suggests that your are still building off the master branch, and not the mitydsp-linux-v3.2 branch... - CK 04:34 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: KSZ8995MA Ethernet Switch Support
- Mike
I have downloaded the branch as above but when i compile i get the following:-
Image Name: Linux-2.6.34-rc1-00098-ga450029-
Created: Fri May 18 09:17:20 2012
Image Type: ARM Linux Kernel Image (uncompressed)
Data S... - CK 03:49 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: KSZ8995MA Ethernet Switch Support
- Mike
I have found a branch 'mitydsp-linux-v3.2', which I assume is the one you referred to, which I am downloading now. I will let you know how I get on with it.
regards
Charlie
05/17/2012
- AB 09:54 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Connecting JTAG to Mityarm board
- Raja,
Sorry about the delay but I did want to update the fact that I was able to have the debugger connect to my MityARM-3359 SoM through the 335x Development Kit from CCS5 using the XDS100v2 emulator.
Offhand I'm not sure which XI... - TI 06:01 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Flashing NAND from SD Card
- Raja
The uboot spl (MLO) loads from nand at 0x00040000...
nand_spl_load_image: loading 2048 bytes from *0x00040000* to 0x80800000
you wrote the image of u-boot to flash at 0x00080000
U-Boot# nand erase *0x80000* 0x40000
U-Boot# nan... - Hi,
1. I have tried flashing NAND through SD boot. I have followed the steps mentioned in AM335x u-boot users guide.
Files used are by default provided with the MityArm SD card.
Steps followed are:
U-Boot# mmc rescan
U-Boot# m... - CK 03:46 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: KSZ8995MA Ethernet Switch Support
- Mike
Thank you for your assistance. I would like to look at the version 3.2, so if you could let me know how to access it I would be obliged.
The switch on the dev board will be used initially to allow me to connect to our local ne... - MW 09:50 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: KSZ8995MA Ethernet Switch Support
- Hi Charlie,
I guess the first question is, "what do you want to do with the switch?". As I mentioned before, we have successfully implemented the KSZ8995 into at least one design here, and if you have all the ports mentioned above co... - CK 09:22 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: KSZ8995MA Ethernet Switch Support
- Mike
I am the customer who submitted this post. I had a problem with logging on which is why Tom posted this for me. Hopfully, I have now sorted this out.
I am new to Linux, so if the questions sound naive, then that is because I a...
05/16/2012
- RV 05:42 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Connecting JTAG to Mityarm board
- Hi Alex,
Thanks for your reply.
I will try with these files.
What are the sys-boot options i have to set while connecting to JTAG?
Thanks,
Raja. - AB 02:11 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Connecting JTAG to Mityarm board
- Hello Raja,
Attached are both a gel file and a ccxml file that hopefully will get you going. The gel file has been used previously and should work for you with the MityARM-3359 SoM.
The ccxml file is setup for use with the XDS510 U... - TC 01:21 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Connecting JTAG to Mityarm board
- Hi Raja -
Sorry for the delay in getting back to you on this. We are working this now and will have an answer for you as soon as we can.
Thanks,
Tom - RV 11:53 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Connecting JTAG to Mityarm board
- Hi,
Do we have some inputs on this topic please?
Thanks,
Raja. - MW 02:42 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: MACHINE type for the MDK ...
- MACH_TYPE_MITYOMAPL138, 2650 (decimal).
The machine type is registered and can be found in the autogerated machine information.
The board file is arch/arm/mach-davinci/board-mityomapl138.c.
I don't advise running our kernel on a... - (posted on behalf of a customer)
The Linux which I installed is the latest available with MDK-2-12, version Angstrom v2012.03-core - Kernel 3.2.0. I am currently downloading and installing the version for a different board to get to k... - MW 02:38 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: KSZ8995MA Ethernet Switch Support
- We have had customers successfully integrate both an KSZ8893MBL switch and the KSZ8895MAI switch with the MityDSP-L138.
Are you not able to send/receive packets from the OMAP-L138 to the switch?
Typically, these switches power up w... - (posted on behalf of a customer)
Have you, or do you know of anyone who has got a KSZ8995MA Ethernet Switch chip to work with the MityDSP-L138? The chip works fine as a switch but I want to get the Linux to recognise it. I will presum...
05/15/2012
- MW 08:40 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Starterware EMIFA to FPGA example code
- Hi Emmet,
The processor will write or read the first (lower address) 16 bits first, followed by the upper 16 bits when configured in little endian mode.
We've been coding this way for a long time (since the TMS320C671x) and I thoug...
05/11/2012
- RV 12:23 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Connecting JTAG to Mityarm board
- Hi Mike,
Yes, I am connecting to MityARM-3359 and not on TI eval board.
So i want to know what .gel file i need to select while configuring?
Is my sysboot options are correct as configuring XIP or any other configuration require... - MW 10:43 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Connecting JTAG to Mityarm board
- Hi Raja,
Were you successful when you tried connecting the JTAG to the TI eval board?
I am assuming you are connecting to a MityARM-3359?
-Mike - Hi,
I have tried connecting JTAG XDS100V2 to the Mityarm evaluation board. Changed the boot options to give first boot option as XIP.
While configuring Code Composer CCS5.1 and target configuration section, which .gel file i need t...
05/09/2012
- EB 04:22 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Starterware EMIFA to FPGA example code
- Hi Mike,
In the case of 32 bit transfers as described above -
Can you tell me which 16-bit value is transferred first?
I need to make VHDL to pass all 32 bits on the same clock edge to other 32-bit IP in my FPGA design.
In other...
05/08/2012
- MW 04:55 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Programming the FPGA
- Appreciate the feedback on the wiki page. I've updated it per your comments.
-Mike
- TE 04:40 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Programming the FPGA
- Thanks! That worked. An even better solution than the bootfpga solution.
I was basing what I did on the wiki page for Programming the FPGA (http://support.criticallink.com/redmine/projects/arm9-platforms/wiki/Programming_the_FPGA). ... - MW 03:03 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Programming the FPGA
- Hi Tim / Emmett,
Did you remember to saveenv? (just checking)
A couple of things:
You might want to avoid using the "bootfpga" environment variable. We've had a couple of customers manage to brick their system by programming v... - TE 02:15 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Programming the FPGA
- Emmett and I were able to get the DONE LED by calling loadfpga after the loadb 0xc0700000. The problem is that when we setup the bootfpga environment variable, it doesn't work.
I am calling the following:
loadb 0xc0700000 ->this ini... - I have read both forum entries of the same name.
The first one seems to be most applicable, since I have the MityARM-1808F with the LX16 FPGA.
I followed the instructions from the first post, which was difficult in iMPACT.
The trick...
05/07/2012
- AS 12:01 PM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: Power Management w/ MityARM
- Mike,
Thanks for your response, it is really helpful to know how the PMIC is connected. I posted a question about how the tsp65910 Linux driver handles interrupts on the TI E2E forums and got a response from TI:
http://e2e.ti.com/su... - MW 11:06 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: Reg. JTAG Reset and SD Card connection
- Hi Salam,
Thanks for the comments.
1. There is a 10K pull down on the JTAG Reset line so that the JTAG interface is held in reset in the absence of a JTAG emulator connection. The emulator should pull the signal high when it is co...
Hi,
As per the Mity carrier board design
1, the NRST of JTAG connector is permanently low,that means it is always in reset mode
Pls confirm.
2.No Pull-up resistor in SD Data lines and CMD line, Please confirm this also....
05/04/2012
- RV 03:50 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Hi Mike,
Thanks for the information.
I will check on the details provided by you.
Regards,
Raja. - MW 03:37 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Can you post your source code for the I2CTest (including the value of addr) and provide a specification to the device you are communicating with (part number, etc)? You are sending a buffer size of 5 down, are the remaining 3 bytes supp...
- RV 03:18 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Hi Mike,
Thanks for your response.
I am using I2C1 and using from application as /dev/i2C-2. This change of pin mux is only for my testing. In the final board we will be using the same pin mux used in the evaluation board. We are n...
05/03/2012
- MW 04:22 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Hi Raja,
Can you please post the full command lines for your output?
There are actually 3 I2C buses in play.
I2C0 is connected to ADS1000 (address 0x48) and port J700 on the DevKit Host board. It shows up as /dev/i2c-1 and is a... - RV 03:55 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Hi Tim,
Thanks for the reply.
Even my understanding is almost similar. But earlier I have tried with out connecting slave. Now I have connected the slave and still the error number is same and not able to write data to I2C. But ope... - TI 01:34 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Raja
You can use the i2c utilties to test the bus. The output below is from scanning both I2C buses.
@root@mityarm-335x:~# i2cdetect -y -a -r 1
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: -- -- -- -- -- -- -- -- -- -- --... - RV 12:00 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Hi Tim,
Gentle reminder about the above response.
Could you please let me know how to go ahead.
Regards,
Raja.
05/02/2012
- RV 02:52 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Hi Tim,
In Mity arm board I2C1 is configured on mii1_crs. pin and in Am335x based board same I2c1 is on spi0_d1 pin. I just want to know whether i can change to uart pin mux and probe on expansion connector.
this is to make sure tha... - TI 02:37 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Raja
The EREMOTEIO error comes from drivers/i2c/busses/i2c-omap.c and is because there is no Ack from
bus request.
Unless I misunderstand what you are doing, I don't think you can just change the pin muxing around.
The pin muxing is ... - RV 02:35 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Sorry i missed to mention file name details.
filename = /dev/i2c-2. - RV 02:27 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Hi,
Code i have used to access is mentioned below:
fd = open(filename, O_RDWR);
ioctl(fd, I2C_SLAVE, addr);
err = write(fd, buf, 5);
Open and ioctl with I2C slave are success. But write gives an error and the error number is:... - Hi,
I am trying to use the I2C1 to communicate to the slave.
To probe the signals on Mity board, i am planning to change the pin mux for I2C1 from
mii1_crs.i2c1_sda to uart0_ctsn.i2c1_sda, similarly for scl in file board-mityarm3... - MW 07:46 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: uPP/DMA registers
- We have demonstrated capturing as high as 100 MB/sec using UPP in 180 MB blocks without issue. So it's feasible. If you are using the LCDC controller, make sure it gets the highest bus master priority (and use some fifo'ing in your FPG...
- SM 03:10 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: uPP/DMA registers
- @Mike
Thanks for the detailed answer. We are only using the AM1808 as an embedded video server for the stream coming from the FPGA, so I cannot comment on the AM1808's H.264 decoding capabilities. But we have used the AM1808 to stream...
04/30/2012
- SW 10:12 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: uPP/DMA registers
- Shahzad, I have not found uPP drivers for the ARM in linux. My suggestion in developing them is to read the TI uPP manual, get it working in loopback mode and them transition that to you application. Be sure you set the pin mux for th...
- MW 07:48 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: Power Management w/ MityARM
- Hi Ali,
Sorry for the delay in response, you have a lot of questions wrapped up in these two posts, and we haven't gone through all the power management states here (we've been focused on basic interface functionality up until now, th...
04/29/2012
- MW 06:25 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: TI C6EZAccel library with MityDSP Platform - OmapL138
- Hi Michele,
If you would like to use the full TI DVSDK (including C6EZAccel), you can install it from TI (along with the Code Sourcery tool chain). You can use TI's libraries and filesystems, etc. The only thing you will need to do ... - Dear Sirs,
does anybody there managed to install and use the C6EZAccel library for the OMAPL138 processor, using the MityDSPL138F carrier board?
It's said to be a library that can abstract Signal Processing libraries of the C647 DSP ...
04/28/2012
- MW 10:19 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: uPP/DMA registers
- If you are not using the on-Board NAND in your design (e.g., booting to a RAMDISK or off of MMC or something), then the EMIFA would probably work. Though, you may still have to roll up a kernel module/driver to fetch the data (I would r...
- SM 09:52 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: uPP/DMA registers
- Hi Mike,
Thanks for the prompt reply. Actually the data stream is from an H.264 encoder in an FPGA, so im not sure if VPIF would be helpful here. Thats why I was looking for a uPP driver. The other option seems to be the EMIFA interfa... - MW 08:18 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: uPP/DMA registers
- Hello Shahzad,
Unfortunately, there is still no UPP driver available. Have you looked at pushing the data in using the VPIF? Supposedly, there has been some work done by TI to push a couple of different modes of camera data using th... - SM 04:11 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: uPP/DMA registers
- Hi Mike,
I am looking for a uPP driver for linux and I was searching around when I came across this thread. I know im replying to a very old thread, but I noticed that you mentioned that critical link does not have a uPP driver yet. F...