Mity CPU Platforms

05/29/2012

07:50 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: KSZ8995MA Ethernet Switch Support

Hi Charlie,
I will try to respond tomorrow with details. Ran out of time today. Sorry for the delay.
-Mike
Michael Williamson

10:22 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: KSZ8995MA Ethernet Switch Support

Mike
Thanks for the suggestions.
1) The line you mention is the line I had to remark out to get the unit to run... Charles Kinney

03:21 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Connecting JTAG to Mityarm board

Hi Alex,
I am working on to connect the JTAG to the mityarm board.
But having trouble how to proceed with proje... Raja Vankam

09:58 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Flashing NAND from SD Card

Hi Tim,
I have programmed as per the address mentioned above.
But during booting MLO always looks for u-boot a... Raja Vankam

05/28/2012

06:20 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: KSZ8995MA Ethernet Switch Support

OK Charlie,
Three things:
1) In the board file, I think you need to configure the emac_pdata->phy_id to "". Th... Michael Williamson

10:41 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: KSZ8995MA Ethernet Switch Support

Mike
I have successfully merged the version 3.4.0+ with the mitydsp-linux-3.2, but i stil can't get the KSZ8995MA ... Charles Kinney

05/25/2012

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... Charles Kinney

05/24/2012

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 p... Tim Iskander

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-b... Raja Vankam

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:... Michael Williamson

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... Charles Kinney

05/21/2012

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... Raja Vankam

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 ... Michael Williamson

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.
At... Raja Vankam

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 ... Gregory Gluszek

05/19/2012

10:40 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Downloading and Installing the Virtual Machine?

Thanks Mike! B.J. Buchalter

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,... Michael Williamson

12:14 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: Downloading and Installing the Virtual Machine?

Hi Folks,
The Wiki says the current version of the VM appliance can be downloaded, but I can't find a download lin... B.J. Buchalter

05/18/2012

02:26 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: Warning messages when running DSP Hello World

Hi,
I was able to walk-through the DSP_Hello_World tutorial. The test applications seems to run well until arm app... François Tremblay

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.
... Raja Vankam

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 erasin... Tim Iskander

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 ... Raja Vankam

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... Charles Kinney

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... Michael Williamson

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-... Charles Kinney

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... Charles Kinney

05/17/2012

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 M... Alexander Block

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... Tim Iskander

04:52 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: Flashing NAND from SD Card

Hi,
1. I have tried flashing NAND through SD boot. I have followed the steps mentioned in AM335x u-boot users guid... Raja Vankam

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 ac... Charles Kinney

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 h... Michael Williamson

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 m... Charles Kinney

05/16/2012

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 whi... Raja Vankam

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... Alexander Block

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... Thomas Catalino

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. Raja Vankam

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... Michael Williamson

01:31 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: MACHINE type for the MDK ...

(posted on behalf of a customer)
The Linux which I installed is the latest available with MDK-2-12, version Angstr... Thomas Catalino

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-L13... Michael Williamson

01:30 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: KSZ8995MA Ethernet Switch Support

(posted on behalf of a customer)
Have you, or do you know of anyone who has got a KSZ8995MA Ethernet Switch chip t... Thomas Catalino

05/15/2012

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 ... Michael Williamson

05/11/2012

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... Raja Vankam

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 c... Michael Williamson

10:23 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: Connecting JTAG to Mityarm board

Hi,
I have tried connecting JTAG XDS100V2 to the Mityarm evaluation board. Changed the boot options to give first ... Raja Vankam

05/09/2012

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 ... Emmett Bradford

05/08/2012

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
Michael Williamson

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 pag... Tim Eastham

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 u... Michael Williamson

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 ... Tim Eastham

02:01 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: Programming the FPGA

I have read both forum entries of the same name.
The first one seems to be most applicable, since I have the MityARM... Emmett Bradford

05/07/2012

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... Ali Asgar Sohanghpurwala

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 interfac... Michael Williamson

09:55 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: Reg. JTAG Reset and SD Card connection

Hi,
As per the Mity carrier board design
1, the NRST of JTAG connector is permanently low,that means it is always... ABDUL SALAM

05/04/2012

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. Raja Vankam

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... Michael Williamson

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... Raja Vankam

05/03/2012

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.
... Michael Williamson

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 connec... Raja Vankam

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-... Tim Iskander

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. Raja Vankam

05/02/2012

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 pi... Raja Vankam

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.
... Tim Iskander

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. Raja Vankam

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);
... Raja Vankam

10:05 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: Usage of I2C1 to connect external peripheral

Hi,
I am trying to use the I2C1 to communicate to the slave.
To probe the signals on Mity board, i am planning ... Raja Vankam

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... Michael Williamson

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 comi... Shahzad Malik

04/30/2012

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 ... Scott Whitney

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... Michael Williamson