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

04/03/2013

10:16 PM Software Development: RE: MityDSP-L138F Failure to Boot and Cannot Reset

Hi,
Thank you so much for supporting.
For (1): At the first time. Now the board are running with null modem cable... minh tung

07:17 AM Software Development: RE: MityDSP-L138F Failure to Boot and Cannot Reset

I am assuming these are out of the box Development kits?
For (1) the console UART, please ensure you are using the... Michael Williamson

08:27 AM PCB Development: RE: Resistors in EMA signal and adress traces?

Mike,
it's the L138-FX-225-RC Module. No FPGA.
I'm concerned about both kinds of traces.
Christian Christian Rückl

07:33 AM PCB Development: RE: Resistors in EMA signal and adress traces?

Which part number? Specifically, does the module include an FPGA or not?
Which EMA traces are you concerned with,... Michael Williamson

07:30 AM PCB Development: Resistors in EMA signal and adress traces?

Hi,
can anybody tell me if there are already resistors on the EMA-traces on the L138-Modul integrated? If yes, wha... Christian Rückl

04/02/2013

10:36 PM Software Development: MityDSP-L138F Failure to Boot and Cannot Reset

Hello
I am using Industrial I/O board(80-000268RI-2 A) and 2 L138 board (L138-CG-225-RC ,L138-FG-225-RC).I got 2 i... minh tung

03/28/2013

11:44 AM Software Development: SATA not recognized

Trying to install an intel 330 series SSD (60 Gb). I have a power brick for it and plugged that in. Connected to th... Mary Frantz

03/26/2013

11:48 AM Software Development: RE: SPI NOR Flash memory map

You are correct, Mike. The flash does have to be erased before writing. Here is a more fleshed out version of my cod... Mary Frantz

11:13 AM Software Development: RE: SPI NOR Flash memory map

BTW:
It's not entirely clear to me if the write routine above will work properly. I don't know for sure, off-hand... Michael Williamson

11:11 AM Software Development: RE: SPI NOR Flash memory map

The SPI partitions are defaulted in the board-mityomapl138.c file in arch/arm/mach-davinci in the spi_flash_partition... Michael Williamson

10:55 AM Software Development: RE: SPI NOR Flash memory map

Please allow me to chime in with a similar question... I have "reorganized" the upper part of the spi nor flash on my... Fred Weiser

03/22/2013

03:13 PM Software Development: RE: Creating a Read-Only Filesystem

I worked on it some more and ended up with a script with seven patch files that change it to a read-only filesystem. ... Jim Twyman

01:01 PM FPGA Development: RE: L138F - FPGA gets incorrect data from UPP

Marek,
The UPP clocks may be sourced by either the FPGA or the OMAP-L138 based on your configuration requirements.... Michael Williamson

11:02 AM FPGA Development: L138F - FPGA gets incorrect data from UPP

Hello,
I have problem when trying to read data on UPP by FPGA (sent from OMAP - working with L138F, XC6SLX45, ISE ... Marek Bartu

03/20/2013

09:16 AM Software Development: RE: Creating a Read-Only Filesystem

Jim,
Any luck? As far as I can tell that mount entry should work.
Jonathan Cormier

03/15/2013

11:32 AM Software Development: RE: MDK_2012-08-10 default configuration

Mike,
Thanks for pointing that out - really helpful!
I can most definitely see the network (and boot from it) from ... Lars Majlof

03/14/2013

08:25 PM Software Development: RE: MDK_2012-08-10 default configuration

So the industrial IO board uses PHY address 3 and the EMAC driver is configured to look for that MDIO interface prior... Michael Williamson

07:06 PM Software Development: RE: MDK_2012-08-10 default configuration

My custom board uses either PHY address 1 or 0 - both addresses cause the same problem.
I played around a little wit... Lars Majlof

08:59 AM Software Development: RE: Creating a Read-Only Filesystem

I changed fstab for the /mnt/user_nand to as follows -
/dev/mtdblock1 /mnt/user_nand jffs2 defaults... Jim Twyman

03/13/2013

04:06 PM Software Development: RE: Creating a Read-Only Filesystem

> rm: cannot remove '/etc/volatile.cache': Read-only file system
> chown: /var/volatile/cache: Read-only file system... Jonathan Cormier

03:56 PM Software Development: RE: Creating a Read-Only Filesystem

Your fstab entry doesn't have auto in the options list so it isn't auto mounted on startup. You should probably use ... Jonathan Cormier

01:20 PM Software Development: RE: SPI NOR Flash memory map

This probably doesn't completely answer your question, but may be helpful. There is some "spare" memory on the SPI NO... Mary Frantz

10:59 AM Software Development: RE: MDK_2012-08-10 default configuration

What PHY address does your custom baseboard use?
-Mike
Michael Williamson

10:55 AM Software Development: MDK_2012-08-10 default configuration

Hi,
I am working on bringing up a custom base board for a MityDSP-L138.
Most things seem to work fine using the ve... Lars Majlof

03/12/2013

02:59 PM Software Development: RE: FPGA Memory Size

You are correct we are looking at cs5 as well.
32k would probably be sufficient. We typically prefer to provide th... LSA Autonomy

01:52 PM Software Development: RE: Creating a Read-Only Filesystem

I had used -
mount -t jffs2 /dev/mtdblock1 /mnt/user_nand
and just -
mount /mnt/user_nand
also works.
Jim Twyman

01:42 PM Software Development: RE: Creating a Read-Only Filesystem

"I can manually mount /mnt/user_nand and access that partition"
Whats the full command you use to manually mount you... Jonathan Cormier

11:07 AM Software Development: Creating a Read-Only Filesystem

Hi,
We use the MityDSP-L138 in a factory automation product and need to prevent fs corruption from random shutdowns.... Jim Twyman

08:32 AM Software Development: RE: SPI NOR Flash memory map

This appears to be what your looking for.
[[MityDSP-L138_Architecture]]
Also can be determined by looking at the ... Jonathan Cormier

08:13 AM Software Development: SPI NOR Flash memory map

(posted for a customer)
We are looking at using the SPI flash and/or NOR flash for storing our software on the L13... Thomas Catalino

03/11/2013

07:58 PM Software Development: RE: FPGA Memory Size

As mentioned on the "EMIFA wiki page":http://support.criticallink.com/redmine/projects/arm9-platforms/wiki/EMIF_Inter... Michael Williamson

04:18 PM Software Development: FPGA Memory Size

The standard FPGA memory available to the arm processor within angstrom is currently limited to 2k.
From what we c... LSA Autonomy

12:49 PM FPGA Development: RE: SPI Core on FPGA: Implementation on MityDSP-L138F

Dear all,
I'm trying to understand the behaviour of your SPI core on FPGA with hooked FIFO and wondering how to conn... Michele Canepa

03/06/2013

01:56 PM Software Development: RE: How to register hostname with DNS?

I modified /etc/network/interfaces as described:... Mary Frantz

10:27 AM Software Development: RE: How to register hostname with DNS?

http://www.turnkeylinux.org/forum/support/20090212/register-hostname-dns
This post suggests setting hostname in /e... Jonathan Cormier

03/05/2013

01:48 PM Software Development: RE: How to register hostname with DNS?

The answer there was:... Mary Frantz

11:34 AM Software Development: RE: How to register hostname with DNS?

This might be what your looking for.
http://www.linuxquestions.org/questions/linux-networking-3/dns-registration-on-... Jonathan Cormier

11:03 AM Software Development: How to register hostname with DNS?

I would like to use DHCP for ip address assignment, set my own hostname and register it with DNS.
So, far I can ge... Mary Frantz

11:36 AM Software Development: RE: How to get system time?

Stumbled across this:
#include <time.h> references /usr/local/oeore-i686/sysroots/armv5te-angstrom-linux-gnueabi/u... Mary Frantz