Mity CPU Platforms » MityDSP-L138 (ARM9 Based Platforms)

08/14/2012

03:08 PM Software Development: RE: L138 - DSP Timer interrupt question ...

Are you running DSPLINK to load/run program the C674x side?
DSPLINK uses interrupt levels 4 and 5 for the ARM/DSP ... Michael Williamson

02:28 PM Software Development: L138 - DSP Timer interrupt question ...

(posted on behalf of a customer)
We are running on the board on the C674x side and have some success with our peri... Thomas Catalino

08/11/2012

08:18 AM Software Development: RE: General SW questions on the MityDSP L138F development kit

Hi Greg,
At the risk of writing a novel, I recommend you take a peek at the following pages / sites / documents:
... Michael Williamson

08/10/2012

07:49 PM Software Development: General SW questions on the MityDSP L138F development kit

A few general SW questions for the novice user. We are planning to use the MityDSP L138F development kit. Here are ... Greg Wong

08/06/2012

09:19 PM Software Development: RE: RS232 UART Needed

Initial indications are good that the ARM changes worked. Attached are the two files modified: @baseboard-industriali... Jeff Benshetler

02:02 PM Software Development: RE: RS232 UART Needed

Sorry. da8xx_cfg_reg_list should have been davinci_cfg_reg_list(), typo, my mistake.
For the FPGA drivers, you sho... Michael Williamson

01:37 PM Software Development: RE: RS232 UART Needed

h1. Summary
# Is my approach to enabling UART2 on the ARM sound?
# What is the correct way to install the additio... Jeff Benshetler

10:25 AM Software Development: RE: RS232 UART Needed

They don't. The critical link BSP linux kernel is tracking the mainline, not the TI PSPs for the OMAP-L138. TI has ... Michael Williamson

08:10 AM Software Development: RE: RS232 UART Needed

OK, I think I found the ARM part of the solution. Part of it comes from this wiki [[http://support.criticallink.com/r... Jeff Benshetler

10:30 AM Software Development: RE: USB from uBoot (posted on behalf of a customer)

Currently, USB stick support for the MityDSP-L138F u-Boot port has not been enabled/implemented/tested.
The u-Boot... Michael Williamson

09:01 AM Software Development: USB from uBoot (posted on behalf of a customer)

We attempted to access the evaluation board's USB port using uBoot and didn't have much success.

Should this be w... Angela Newman

09:21 AM Software Development: RE: EMIFA clock

Thanks for that explanation Mike. I asked about this because I was seeing odd behavior in my OMAP/FPGA applications.... Scott Whitney

08/05/2012

08:29 PM Software Development: RE: RS232 UART Needed

Hi Jeff,
Can you confirm you are running the kernel you are building out of MDK_2012-03-12? The uname command you... Michael Williamson

07:52 PM Software Development: RE: RS232 UART Needed

Thinking ahead, how does I get the ARM to "let go" of GPIO pins for use by the DSP? Jeff Benshetler

07:34 PM Software Development: RS232 UART Needed

For my immediate project, I need:
1) an RS-232 TTL-level input with RX, TX and an edge-triggered interrupt on DCD;... Jeff Benshetler

01:32 PM Software Development: RE: EMIFA clock

Hi Scott,
So there is code in the linux kernel to recompute the EMIFA frequency and attempt to keep it at specifie... Michael Williamson

08/03/2012

06:33 AM FPGA Development: SPI Core on FPGA: Implementation on MityDSP-L138F

Dear Sirs,
I've seen that in the MDK-release there is the SPI Core in ngc file format, for Spartan 6 FPGA of the M... Michele Canepa

08/01/2012

09:21 AM Software Development: RE: Starter Guide: "Boot the MityDSP-L138 up into linux." - How?

Hi Keith,
If you purchased the cards without a development kit then it is expected that they come only with u-boo... Gregory Gluszek

08:52 AM PCB Development: RE: MityDSP-L138F Mounting Holes (Posted on behalf of a customer)

Thanks Alex
That shows everything I need. Emmett Bradford

07/31/2012

06:04 PM Software Development: RE: EMIFA clock

Hi Scott,
Yes, I'm fairly certain that changing the CPU clock will affect the EMIFA clock. By default the EMIFA an... Gregory Gluszek

02:35 PM Software Development: EMIFA clock

Hello,
I've got an Industrial IO board and want to change the cpu clock frequency from 300 to 45 MHz. I know this w... Scott Whitney

03:49 PM PCB Development: RE: MityDSP-L138F Mounting Holes (Posted on behalf of a customer)

Now I've attached the updated PDF.
Alex Alexander Block

03:48 PM PCB Development: RE: MityDSP-L138F Mounting Holes (Posted on behalf of a customer)

Emmett,
Sorry about the late reply on this issue. Hopefully you have resolved it satisfactorily but if not I belie... Alexander Block

07/30/2012

10:51 PM Software Development: RE: Starter Guide: "Boot the MityDSP-L138 up into linux." - How?

Hi,
We also have received a batch of Mity1808 cards which have not been programmed with kernel. We are able to pro... Keith Fletcher

07/27/2012

09:49 PM PCB Development: FPGA bandwidth available on development kit

(posted on behalf of a customer)
I have a question about the FPGA I/O bandwidth coming off expansion headers 2 & 3... Thomas Catalino

05:14 PM Software Development: RE: DSP memory map question

Mike,
It was the additional linker file that was missing part of my side. When I added that file, no more linker w... François Tremblay

07:35 AM Software Development: RE: DSP memory map question

To add the additional section in our projects, we typically modify the project ".tcf" file using the BIOS graphical e... Michael Williamson

05:34 AM Software Development: RE: DSP memory map question

Mike,
I need the upper 15 MB memory region to store pre-calculated arrays to speed-up thing in real-time. Only the... François Tremblay

07/26/2012

05:29 PM Software Development: RE: DSP memory map question

Hello François,
You are correct, the upper ~15MB is not configured by default. You can certainly add another sect... Michael Williamson

09:46 AM Software Development: DSP memory map question

Documentation said that 32 MB are reserved for DSP. When I look at the DSP memory mapping, it seems that 15 MB of mem... François Tremblay

07/23/2012

08:37 PM Software Development: RE: Starter Guide: "Boot the MityDSP-L138 up into linux." - How?

Virtual Box is in "bridged" mode - see attached, with the following network configuration for *mitydsp-dev*:... Jeff Benshetler

08:24 PM Software Development: RE: Starter Guide: "Boot the MityDSP-L138 up into linux." - How?

Hi Jeff,
Is your VM network adaptor set to be a "bridged" connection and not a "NAT"?. Can you ping your VM IP ad... Michael Williamson

08:07 PM Software Development: RE: Starter Guide: "Boot the MityDSP-L138 up into linux." - How?

Yes, I'm using the Industrial I/O dev kit. I'm using the virtual box image provided.
Mike, I'd love your help wal... Jeff Benshetler

07:56 PM Software Development: RE: Starter Guide: "Boot the MityDSP-L138 up into linux." - How?

Hi,
Are you booting on an Industrial I/O (development kit) board? If so, we can walk you through installing the k... Michael Williamson

07:46 PM Software Development: RE: Starter Guide: "Boot the MityDSP-L138 up into linux." - How?

I tried setting the *bootcmd* variable as suggested and the executed *boot*. This is what I got:
U-Boot > edit... Jeff Benshetler

07:40 PM Software Development: RE: Starter Guide: "Boot the MityDSP-L138 up into linux." - How?

The output of *print*:
U-Boot > print
bootdelay=3
baudrate=115200
bootfile="uImage"
flashu... Jeff Benshetler

07:33 PM Software Development: RE: Starter Guide: "Boot the MityDSP-L138 up into linux." - How?

Hmmm
It should autoboot into linux. Can you post the output of the u-boot print command
U-Boot > *print*
And try j... Tim Iskander

07:25 PM Software Development: Starter Guide: "Boot the MityDSP-L138 up into linux." - How?

Hello. I got the MityDSP hooked up and powered on today. I worked through the Starter Guide, successfully cross-compi... Jeff Benshetler