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

02/14/2013

09:53 PM Software Development: board support package

How do you configure / customize the tool chain to the mitydsp board? eg the current version of gnu compiler for the ... Krishna Vallabhaneni

10:53 AM Software Development: RE: Trouble with writing to UART2

Thank You for your help, Ultimately I need to use this on the PRU and I saw how TI is doing it through there Profibus... Jeremy Young

10:49 AM Software Development: RE: CLK frequency increase using DSP only

Check the Datasheet for the speed grade for the L138-FI-225-RC, though I think the F means CPU speed up to 456 MHz. ... Michael Williamson

10:46 AM Software Development: RE: CLK frequency increase using DSP only

OSCin is 24 MHz. It's fixed by the crystal on the part.
The documentation you would need to read is for the "TPS6... Michael Williamson

10:41 AM Software Development: RE: CLK frequency increase using DSP only

Hi, I too would like to increase the running speed towards 456MHz. I have managed to change the speed as per your ins... Rex Taylor

02/13/2013

07:23 PM Software Development: RE: Trouble with writing to UART2

You need to use the TIOCRS485 ioctl on the serial port file descriptor with the serial_rs485 structure.
It involve... Michael Williamson

07:08 PM Software Development: RE: Trouble with writing to UART2

Additionally, it appears the pin muxing was set up such that the GP0[9] was not selected due to AMUTE being selected ... Jeremy Young

06:41 PM Software Development: RE: Trouble with writing to UART2

I am using the 2.6.34 kernel and it appears it already has the patch applied. I was able to get it to work by reassig... Jeremy Young

03:06 PM Software Development: RE: Trouble with writing to UART2

Hi Jeremy / Tim,
The link Tim pointed you to is for the MityARM-335x, not the MityARM-180x, though a similar patch... Michael Williamson

03:00 PM Software Development: RE: Trouble with writing to UART2

Jeremy
The RS485 board has an enable that must be managed. I believe you need a newer version of the driver to contr... Tim Iskander

01:02 PM Software Development: Trouble with writing to UART2

I am having some difficulty with writing to the UART2 on the AM1810. I have everything setup such that I can read fro... Jeremy Young

02/12/2013

05:35 PM Software Development: RE: U-Boot Source Code

Hi Terrence,
To confirm: are you looking for u-Boot code, or the User Boot Loader (UBL) code?
As Jonathan and A... Michael Williamson

05:00 PM Software Development: RE: U-Boot Source Code

Terrence,
The U-Boot source code is maintained in a GIT repository and not wholly contained in the MDK however a s... Alexander Block

04:34 PM Software Development: RE: U-Boot Source Code

Also the git repository can be explored here. http://support.criticallink.com/gitweb/?p=u-boot-mitydspl138.git;a=summ... Jonathan Cormier

04:31 PM Software Development: RE: U-Boot Source Code

Have you checked the sw/ARM directory in the MDK?
-Jonathan Jonathan Cormier

04:04 PM Software Development: U-Boot Source Code

Does anyone know where I can find the U-Boot (UBL version 1.65:2.28) source code? Does the UBL source come bundled w... Terrence Lawrence

10:12 AM Software Development: RE: Ethernet packet loss

Hi Mike,
We are using your L138-FG-225-RC in combination with a propriatary base (=industrial IO) board --> MII is c... Stéphane Peter

10:07 AM Software Development: RE: Ethernet packet loss

Are you using a custom board? Are you using the MII or the RMII port? If RMII, what device is sourcing the referenc... Michael Williamson

09:35 AM Software Development: RE: Ethernet packet loss

Hi Mike,
It’s not a u-Boot/Linux problem.
We are running SysBios on the ARM after leaving ROM code…
Best regards
... Stéphane Peter

07:13 AM Software Development: RE: Ethernet packet loss

Hello,
I looked at your E2E post, and I think I *may* understand the problem, but I am not sure.
By changing th... Michael Williamson

02/11/2013

03:28 AM Software Development: RE: Ethernet packet loss

I also made a post in the E2E: http://e2e.ti.com/support/embedded/bios/f/355/t/244852.aspx
Stéphane Stéphane Peter

02/08/2013

12:19 AM Software Development: RE: Supply voltage for RVDD (internal ram supply)

Hi Mike,
Thanks for the information and for the hint/link to the errata sheet.
Stéphane
Stéphane Peter

02/07/2013

07:01 AM Software Development: RE: Supply voltage for RVDD (internal ram supply)

RVDD is connected to the CORE voltage.
So when you run at 456 MHz, the RVDD is bumped up to 1.3 volts as well.
... Michael Williamson

05:57 AM Software Development: Supply voltage for RVDD (internal ram supply)

Hello,
In the OMAP-L138 data sheet (sprs586d) chapter 2.8.27, I see that RVDD (internal ram supply) needs 1.2V respe... Stéphane Peter

06:36 AM Software Development: Ethernet packet loss

Hello,
We are using the OMAP-L138 with SysBios on both ARM and DSP. In a test where we are sending nonsense data fro... Stéphane Peter

02/04/2013

10:48 AM Software Development: RE: Linux boot time on the MityArm1808F

See this link for an example of loading the fpga image from uboot.
http://support.criticallink.com/redmine/projects/... Jonathan Cormier

02/02/2013

08:28 AM Software Development: RE: Linux boot time on the MityArm1808F

Thank you for quick response.
It seems that StarterWare is a feasible option.
If I understand correctly, Start... Alex Kucherov

06:43 AM Software Development: RE: Linux boot time on the MityArm1808F

Hello Alex,
We have not tried to much to get the boot times down to the levels that you are requiring. Keep in mi... Michael Williamson

06:19 AM Software Development: RE: Linux boot time on the MityArm1808F

English is not my first language so please +BEAR+ with me. :) Alex Kucherov

06:03 AM Software Development: Linux boot time on the MityArm1808F

Hello,
I'm new to ARM software development so please bare with me.
+Some background on the project:+
I'm wor... Alex Kucherov

01/29/2013

11:20 AM Software Development: RE: TFTP (or FTP) Server

If you really must have ftp, you can recompile "busybox":http://www.busybox.net/ (this is installed currently, but th... Michael Williamson

10:56 AM Software Development: RE: TFTP (or FTP) Server

Based on Jonathan's comment, it appears that ftp is not supported on this platform. Guess it'll have to be sftp.
... Mary Frantz

10:48 AM Software Development: RE: TFTP (or FTP) Server

This error:... Michael Williamson

10:40 AM Software Development: RE: TFTP (or FTP) Server

Reading the online page for owftpd doesn't lead me to believe that the owftpd program is a network ftp server. It se... Jonathan Cormier

10:37 AM Software Development: RE: TFTP (or FTP) Server

Ran the following:
root@mityomapl138:/etc# echo nameserver 8.8.8.8 > resolv.conf
root@mityomapl138:/etc# opkg upd... Mary Frantz

10:17 AM Software Development: RE: TFTP (or FTP) Server

That looks like either
1 - Your board is not able to see the internet
2 - You don't have a nameserver configured.
... Tim Iskander

10:11 AM Software Development: RE: TFTP (or FTP) Server

Ok, tried that ... here's the results. I don't think the update worked.
root@mityomapl138:/etc/init.d# opkg updat... Mary Frantz

10:04 AM Software Development: RE: TFTP (or FTP) Server

Try running
opkg update
This will ask the update server for a new list of packages and then you can rerun the op... Jonathan Cormier

09:54 AM Software Development: RE: TFTP (or FTP) Server

Running
root@mityomapl138:/etc/init.d# opkg list | grep ftpd
yielded no results.
Running
root@mityomapl138:/etc... Mary Frantz

01/28/2013

01:37 PM Software Development: RE: TFTP (or FTP) Server

Alternatively you could install and setup one of the ftp/tftp servers on your embedded device.
$opkg list | grep f... Jonathan Cormier

01:10 PM Software Development: RE: TFTP (or FTP) Server

http://stackoverflow.com/questions/3477471/whats-a-decent-sftp-command-line-client-for-windows
SFTP/SCP is automat... Jonathan Cormier