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

11/27/2010

07:26 PM FPGA Development: RE: fpga EMIFA interface: BA(1) = EMA_A(14)?

Hi Dene,
Actually, that concatenation puts the assignment of EMA_BA(1) to bit 0 of the address (the LSB) for a 16 ... Michael Williamson

07:10 PM FPGA Development: fpga EMIFA interface: BA(1) = EMA_A(14)?

I notice in EMIFA_iface.vhd that the EMIFA bank address bit 1 -> i_ema_ba(1) <- is concatenated to the top of the in... Dene Olsen

11/23/2010

08:57 PM Software Development: RE: I2C Board Support Package

Odd:... Dennis Volper

08:14 PM Software Development: RE: I2C Board Support Package

Oh... and as far as the pinmux, the u-Boot should be configuring the pinmux for I2C0. It will always do that as it n... Michael Williamson

08:13 PM Software Development: RE: I2C Board Support Package

My guess is that the MAC is a random MAC generated by the kernel because all zeros is an illegal MAC (check the kerne... Michael Williamson

07:45 PM Software Development: RE: I2C Board Support Package

... Dennis Volper

06:35 PM Software Development: RE: I2C Board Support Package

Hi Dennis,
Which Revision of the Industrial I/O are you using? Rev A Industrial I/O boards have the I2C port of t... Michael Williamson

05:55 PM Software Development: RE: I2C Board Support Package

I tried the following experiment. On an Industrial I/O board I replaced the Rev A OMAP card with a fresh out of the p... Dennis Volper

11/19/2010

12:14 PM Software Development: RE: Driver Development Procedure

Mike,
For some reason the source gets messed-up when pasting into the reply box. Therefore, I have attached the m... david kasper

11/18/2010

07:22 PM Software Development: RE: Driver Development Procedure

Mike,
Thanks for your fast reply. I have installed the 32-bit GCC running on Fedora 9. Also I have successfully ... david kasper

06:56 PM Software Development: RE: Driver Development Procedure

Hi David,
There's no magic with the kernel sources we're using. Your makefile looks OK to me.
This is just a ... Michael Williamson

06:17 PM Software Development: Driver Development Procedure

I need to create a loadable Linux module that runs on the ARM9 of the MityDSP-L138 and accesses the FPGA. Preferrabl... david kasper

03:25 PM Software Development: RE: I2C Board Support Package

Got the new kernel. Compiled and loaded it onto the board. Most things work, but i2cdump seems to have changed. My ha... Dennis Volper

11/16/2010

07:44 AM Software Development: RE: I2C Board Support Package

Hi Simon -
The latest version of our kernel is included in the tarball on the BSP wiki page located here:
htt... Thomas Catalino

11/15/2010

10:34 PM Software Development: RE: Boot loader on NAND instead of NOR

Hi Simon,
It is still a good idea to hook up the MDIO pins to the PHY. The same two MDIO pins used in MII mode ... Mike Pilawa

09:36 PM Software Development: RE: Boot loader on NAND instead of NOR

Hey Mike,
Yes the RMII is a good alternative. When we will be there, I will probably ask for some support. What we... Simon Therriault

05:34 PM Software Development: RE: Boot loader on NAND instead of NOR

Hi Simon,
While it is indeed possible for the OMAP-L138 CPU to boot from NAND, this is not a boot mode that Crit... Mike Pilawa

11/12/2010

03:36 PM Software Development: RE: I2C Board Support Package

Tried to patch the changes from that file into the kernel posted under Files on this site. Syntax errors on DA850_GPI... Dennis Volper

02:06 PM Software Development: RE: Audio help needed

Please ignore the previous, incredibly stupid question. My mistake is not realizing that it's the stuff in the Kconfi... Dennis Volper

11/11/2010

09:42 PM Software Development: Boot loader on NAND instead of NOR

Hi,
One of the big problem I am facing right now is the fact that both PWM modules aren't usable at all. PWM 0 is ... Simon Therriault

07:39 PM Software Development: RE: Loading a New Kernal

No. If you do this you will erase the UBL and u-boot. Please don't execute this command as you have typed.
Look ... Michael Williamson

06:53 PM Software Development: RE: I2C Board Support Package

If you look in the most recent version of the kernel in the "arch/arm/mach-davinci/board-mityomapl138.c":http://suppo... Michael Williamson

05:51 PM Software Development: RE: I2C Board Support Package

Ok I got the I2C tools loaded and working. Out issue is that the SYS_RESET_N ( GP5[14] )signal that comes from the O... John Mladenik

06:49 PM Software Development: RE: Audio help needed

Well, most of the git problem seems to be at our end. Some router close to us seems to be traffic shaping us to zero ... Dennis Volper

11/09/2010

08:12 PM Software Development: RE: Audio help needed

Hi Dennis,
Regarding the audio driver, it sounds like you have a pretty solid handle on the code. The bottom line... Michael Williamson

07:02 PM Software Development: RE: Audio help needed

Still stuck on the sound. I looked at the davinci-evm.c and the 3x is called out in that file, however, the Kconfig i... Dennis Volper

11/05/2010

12:13 PM Software Development: RE: I2C Board Support Package

Well our software guy has the i2cdump, I have not been able to get it loaded on m system yet as I indicated in my pre... John Mladenik

11:41 AM Software Development: RE: I2C Board Support Package

Ok. Sounds like you have i2cdump, right? What is the device you are using? The address is sometimes non-obvious to... Michael Williamson

11:38 AM Software Development: RE: I2C Board Support Package

Mike
We are using the TI I2C tools and our hardware uses I2C0 but we get all X's when doing a dump from the I2C ad... John Mladenik

11:26 AM Software Development: RE: I2C Board Support Package

Hi John -
I believe you are looking at using the I2C driver we provide under the FPGA directory. This driver is i... Thomas Catalino

11:24 AM Software Development: RE: I2C Board Support Package

Which I2C port are you trying to use, I2C0 or I2C1? If you are trying to use I2C0, then you should be able to use th... Michael Williamson

11:12 AM Software Development: I2C Board Support Package

Our software guy is trying to use your I2C board support to drive the I2C devices we have connected to the OMAP's I2C... John Mladenik

11/04/2010

08:51 PM Software Development: RE: Timers and interrupt

Hi again
I was wondering, where can I found documentation about which hardware timers are already used by the li... Simon Therriault

02:54 PM Software Development: RE: QNX

Hi John,
Thanks, your fix worked! I'm running Rev. B hardware, don't know if that contributed to the problem, but... Rob Gillis

12:33 PM Software Development: RE: QNX

Rob,
What revision of the indio board do you have? I am running on rev D.
One thing to try is to turn off the ... John Pruitt

11:06 AM Software Development: RE: QNX

John,
Thanks for providing the BSP. Your directions for getting it booted are clear, but I can't get it running o... Rob Gillis

11/03/2010

12:31 PM Software Development: RE: QNX

Rob,
I have created a new project for QNX platform support. Please see http://support.criticallink.com/redmine/pro... John Pruitt

07:45 AM Software Development: RE: DSP-6748 wiki info

Hey!
Well it's not that much a big deal. We are working on our own motherboard to connect the SODIMM so we will ha... Simon Therriault

07:34 AM Software Development: RE: DSP-6748 wiki info

On the Industrial I/O host card, you are correct, neither SPI port that is connected to the OMAP-L138 on the MityDSP-... Michael Williamson

11/02/2010

11:28 PM Software Development: RE: DSP-6748 wiki info

Another verification : On the mitydsp-l138 motherboard, there are three 50 pins IO expansion slots. Could you confirm... Simon Therriault

09:49 PM Software Development: RE: DSP-6748 wiki info

When I build in CCS my stuff, do I need a special linker for the mitydsp card? Simon Therriault

09:06 PM Software Development: RE: DSP-6748 wiki info

Thanks a lot Mike!
I will dive in now and I'll keep you posted when I hit a wall. Simon Therriault

09:05 PM Software Development: RE: DSP-6748 wiki info

Actually, we recommend that you load it into RAM (using tftp or nfs load or serial, whatever) and boot using the "boo... Michael Williamson

08:59 PM Software Development: RE: DSP-6748 wiki info

Just a quick question before digging in. If I change the kernel, then compile it and load it in the flash but nothing... Simon Therriault

08:51 PM Software Development: RE: DSP-6748 wiki info

Yes the ARM always runs. By default, it leaves the DSP powered up but in a reset and "nop" state, so it's basically ... Michael Williamson

08:34 PM Software Development: RE: DSP-6748 wiki info

Hey,
Yes I have a CC4 Platinum version and a XDS510 USB. I will have to read about gel files since I don't know wh... Simon Therriault

08:17 PM Software Development: RE: DSP-6748 wiki info

OK. I can get you started on that.
You can connect to the DSP via the OMAP JTAG emulator (such as the XDS510 or t... Michael Williamson

08:03 PM Software Development: RE: DSP-6748 wiki info

Hey Mike
Thanks for your quick feedback.
Well, my main interrogation are mainly how to start working on the DSP... Simon Therriault

07:54 PM Software Development: RE: DSP-6748 wiki info

Hi Simon,
You might want to look at "TI's wiki pages for DSPLink":http://processors.wiki.ti.com/index.php/DSPLink_... Michael Williamson

07:44 PM Software Development: DSP-6748 wiki info

Hi,
When will there be more info on the wiki about how to use the DSP side of the OMAP?
Thanks! Simon Therriault

07:49 PM Software Development: RE: Audio help needed

You've loaded the driver, but have you instantiated the board / device (the McASP device in the board-mityomapl138.c ... Michael Williamson

07:20 PM Software Development: RE: Audio help needed

I've built the kernel with alsa sound and the tlv320aic3x driver as a loadable module. When I load the module I see "... Dennis Volper

11/01/2010

11:02 PM Software Development: RE: Timers and interrupt

Ok so we are probably going to use the DSP for some stuff and keep the ARM for higher level processing... From what I... Simon Therriault

06:06 PM Software Development: RE: Timers and interrupt

Hey Tom,
The reason I was focusing on the AM1808 is because at first it was the chip we wanted to work with. The o... Simon Therriault

10:39 AM Software Development: RE: Timers and interrupt

Hi Simon -
I realize you are trying to use an AM1808 module, but using an OMAP-L138 and using the DSP for this qu... Thomas Catalino

11:14 AM Software Development: RE: QNX

John,
I can wait a couple of days for the 6.5 port. I do have the Industrial I/O board with the L138 MityDSP modul... Rob Gillis

11:03 AM Software Development: RE: QNX

Rob,
I tried QNX 6.4 on our INDIO board a few weeks ago. I need to try it again with the 6.5 changes to make sure ... John Pruitt

10/31/2010

05:27 PM Software Development: RE: Timers and interrupt

Hey Mike,
Thanks for the feedback. I will discuss your ideas with my hardware partner. Could you send me a link ab... Simon Therriault

04:21 PM Software Development: RE: Timers and interrupt

Well,
I suspect you will need to write driver code to meet your 20 usec timing block. IMHO (and I'm not an expert... Michael Williamson

02:08 PM Software Development: RE: Timers and interrupt

any thoughts...? Simon Therriault