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

07/04/2011

03:03 PM Software Development: RE: MITYDSP OMAP-L138 EMIF FPGA / NAND shared bus access

Hi Mads,
NAND does share the EMIF bus with the FPGA and you may run into a potential latency issue if you do not m... Michael Williamson

10:47 AM Software Development: MITYDSP OMAP-L138 EMIF FPGA / NAND shared bus access

Hi
This is NOT a problem we are seeing (yet?), but we are wondering whether this is a problem we might be seeing i... Mads Lind Christiansen

10:32 AM Software Development: RE: HelloWorldARM DSPLINK example causes Assertion failed

Hi Greg
Sorry I haven't replied yet.
Has been busy on other tasks, and this was a low low priority :-)
I have ... Mads Lind Christiansen

07/03/2011

01:36 PM Software Development: RE: mtdblock kernel crash

Oh, if you need an /dev/mtdx device, you need to enable in the kernel:
CONFIG_MTD_CHAR
Should be in the device ... Michael Williamson

01:31 PM Software Development: RE: mtdblock kernel crash

Hi Zoltan,
Well, for the SPI issue, I have some information for you along with couple of work-arounds. Feel free ... Michael Williamson

07/02/2011

11:05 AM Software Development: RE: Eval Board will not boot

I tried re-seating the module several times with no success. Got same results with another kit's cables so I think ca... Craig Meyers

07/01/2011

01:08 PM Software Development: RE: Eval Board will not boot

Hi Craig,
Other than trying to re-seat the module and the serial port cables in their respective connectors, I don... Michael Williamson

11:50 AM Software Development: RE: Eval Board will not boot

Did as instructed but did not see BOOTME on console.
Board serial # is 110251. Craig Meyers

11:39 AM Software Development: RE: Eval Board will not boot

Hi Craig,
Can you please monitor the console (115200 baud, no flow control) and, while holding the boot button dow... Michael Williamson

11:26 AM Software Development: Eval Board will not boot

Purchased 3 kits 80-000268RI-1 with SoM L138-FI-225-RC. One kit does not boot when power is applied. Green LED does l... Craig Meyers

10:12 AM Software Development: RE: HelloWorldDSP.out syntax error

Hi Marc,
Before you run the application, run the command:... Gregory Gluszek

10:10 AM Software Development: RE: HelloWorldDSP.out syntax error

Greg,
Is there anywhere in the wiki that explains how to set up the dsplink driver on the ARM? When I run ./Hello... Marc Lichtman

09:44 AM Software Development: RE: HelloWorldDSP.out syntax error

Hi Marc,
With the latest MDK there is no need to rebuild DSPLink. I've updated the DSP Hello World wiki page to ou... Gregory Gluszek

09:13 AM Software Development: RE: HelloWorldDSP.out syntax error

I would prefer not to rebuild DSPLink. Is there somewhere I can find the HelloWorldDSP executable?
-Marc Marc Lichtman

06/30/2011

05:34 PM Software Development: RE: Industrial board USB mini-B connector problem

Hi Zoltan -
You are correct. Thank you for pointing this out!
This fix will go into the next build of boards. ... Thomas Catalino

04:33 PM Software Development: Industrial board USB mini-B connector problem

Hi,
Sorry I post my problem here, but there is no forum for the industrial board.
We had issues with some USB d... Zoltan Csizmadia

02:32 PM Software Development: RE: HelloWorldARM DSPLINK example causes Assertion failed

Hi Mads,
I'm not seeing this same behavior on my system. Can you give me more details? It seems you're running wit... Gregory Gluszek

07:21 AM Software Development: RE: HelloWorldARM DSPLINK example causes Assertion failed

Should probably note that we are using the OMAPL138 module. Mads Lind Christiansen

07:20 AM Software Development: HelloWorldARM DSPLINK example causes Assertion failed

Hi
When the HelloWorldARM (DSPLINK) example applications runs lpDspApp->StopApp() I get the following error:
As... Mads Lind Christiansen

02:16 PM Software Development: RE: HelloWorldDSP.out syntax error

Hi Marc,
With the latest MDK you should not actually need to rebuild DSPLink (I'm updating the DSP Hello World wik... Gregory Gluszek

01:39 PM Software Development: RE: HelloWorldDSP.out syntax error

Oh ok, that clears up my confusion on how the DSP actually gets loaded with the executable. I dident realize HelloWo... Marc Lichtman

01:18 PM Software Development: RE: HelloWorldDSP.out syntax error

Hi Marc,
The HelloWorldDSP.out is a DSP executable. It must be loaded by an ARM executable that uses the DSPLINK ... Michael Williamson

01:14 PM Software Development: HelloWorldDSP.out syntax error

Hi,
I'm to the very last step of the DSP Hello World guide, but when I run ./HelloWorldDSP.out on the board, it gi... Marc Lichtman

12:37 PM Software Development: RE: mtdblock kernel crash

Mike,
I'm good with my version, and I'm not in a hurry to upgrade my kernel.
Btw I'm using mitydspl138 with the i... Zoltan Csizmadia

12:28 PM Software Development: RE: mtdblock kernel crash

Hi Zoltan,
We've confirmed the SPI issue and are working on it. There were a couple of patches to the (linus) mai... Michael Williamson

12:18 PM Software Development: RE: mtdblock kernel crash

Mike,
Here is some extra information:
1. SPI flash engine got broken on 4/23. 4/23 0:00 revision was ok, 4/24 0... Zoltan Csizmadia

10:02 AM Software Development: RE: mtdblock kernel crash

I have the mtdblock0 write problem (read is ok), and I have the SPI crash when writing mtdblocks on the SPI flash (re... Zoltan Csizmadia

06/29/2011

08:34 PM Software Development: RE: mtdblock kernel crash

Oh, one other question....
Do you have anything running on the DSP while this is going on? Or is it still in IDLE... Michael Williamson

08:32 PM Software Development: RE: mtdblock kernel crash

1. OK.
2. Fair enough, didn't catch that originally.
3. Sure, I'll get you something tomorrow.
Couple more q... Michael Williamson

07:20 PM Software Development: RE: mtdblock kernel crash

Thanks for the quick response!
1. Toolchain:
gcc version 4.5.1 (Sourcery G++ Lite 2010.09-50)
2. Root FS is in... Zoltan Csizmadia

06:37 PM Software Development: RE: mtdblock kernel crash

Can you try the same command without mounting /dev/mtdblock0 as the rootfs? (e.g., stay in your ram initrd filesystem... Michael Williamson

06:34 PM Software Development: RE: mtdblock kernel crash

Mike,
It was a clean copy. I've made changes only to make it buildable from Windows (Cygwin). But those changes we... Zoltan Csizmadia

06:19 PM Software Development: RE: mtdblock kernel crash

Hi Zoltan,
We'll need to try to reproduce this here. It may take a day to get to it.
When you rebuilt, did you... Michael Williamson

05:35 PM Software Development: RE: mtdblock kernel crash

This is what I did to crash the kernel:
2. echo Test > /dev/mtdblock9
Zoltan Csizmadia

05:34 PM Software Development: mtdblock kernel crash

Hi,
I've got the latest linux kernel image, defconfig'd it, enabled SPI flashes, and nuilt the kernel.
1. If I ... Zoltan Csizmadia

06/28/2011

05:00 PM Software Development: RE: Where can I get the files listed on the DSPLink Hello World wiki?

Hi Marc,
I just sent you the additional files you need. Let us know if you run into any further issues.
Thanks,... Gregory Gluszek

10:48 AM Software Development: RE: Where can I get the files listed on the DSPLink Hello World wiki?

Hi,
I am also having trouble finding the prerequisite files for the PC side (dsp_main.cpp, dspcore.lib, ect). I d... Marc Lichtman

06/13/2011

05:21 PM FPGA Development: RE: FPGA configuration

Hi Mike,
FYI, I just had a chance to try a bad configuration file, and the INIT pin was indeed low after programmi... Rob Gillis

06/06/2011

10:35 AM Software Development: RE: Where can I get the files listed on the DSPLink Hello World wiki?

Hi Mads,
Most of the files you need are in the latest tarball release. I've sent you the remaining files, which wi... Gregory Gluszek

07:14 AM Software Development: RE: Where can I get the files listed on the DSPLink Hello World wiki?

Hi
I am also looking for these files...
Could you email me them too?

Many thanks,
Mads Mads Lind Christiansen