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From 01/10/2013 to 02/08/2013

02/08/2013

MK 02:43 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Critical Link Kernel integration w/ Angstrom/OpenEmbedded
Mike,
Thanks for the tip on checking the git commits. I was able to build the Angstrom console image.
Here is how I got there:
@rm -rf setup-scripts/sources/meta-mitydsp@
Changed layers.txt line to this:
@meta-mitydsp,git:/...
Michael Karasoff
MK 11:43 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Critical Link Kernel integration w/ Angstrom/OpenEmbedded
Mike,
Thanks much!
For what its worth, we aren't looking for long term support on this. If we can just get a working Angstrom baseline from CriticalLink, we can manage the layer internally moving forward.
Thanks again,
Michael
Michael Karasoff
MW 11:23 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Critical Link Kernel integration w/ Angstrom/OpenEmbedded
OK [edit] Michael [sorry]. The Git commit levels for all of the builds are included somewhere in the reference filesystems on our files download tab, as I recall. I don't have them handy at the moment, but yes, that should in theory wo... Michael Williamson
MK 11:19 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Critical Link Kernel integration w/ Angstrom/OpenEmbedded
Mike,
Thanks for looking into this.
Could I solve my problems by referencing the commit where the Angstrom overlay worked in layers.txt?
RE TimeSys - we already have a prototype system and software up and running with Angstro...
Michael Karasoff
MW 08:18 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Critical Link Kernel integration w/ Angstrom/OpenEmbedded
Hi Mike,
I just did an update on the Angstrom git tree and I am getting this error as well. Something has changed on the Angstrom side since I last did the build and clearly there is a problem with our overlay. I will look into it.
...
Michael Williamson
SP 12:19 AM MityDSP-L138 (ARM9 Based Platforms) 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

MK 07:07 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Critical Link Kernel integration w/ Angstrom/OpenEmbedded
Correction:
I ran the bitbake with additional debug *MACHINE=mityarm335x bitbake -v -D -D -D -D console-image*
I run @MACHINE=beaglebone bitbake -v -D -D -D -D console-image@ prior to adding the meta-mitydsp layer as a baseline. ...
Michael Karasoff
MK 06:26 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Critical Link Kernel integration w/ Angstrom/OpenEmbedded
Mike,
Thanks for your quick reply!
Unfortunately, when I run *MACHINE=mityarm335x bitbake console-image* I still get the errors during the Angstrom parse. I've replicated this on a fresh Ubuntu 12.04 install and on the 10.04 Virtu...
Michael Karasoff
MW 06:52 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Critical Link Kernel integration w/ Angstrom/OpenEmbedded
I was suggesting to build the mityarm335x machine, or else you won't pick up the u-Boot and Kernel from our git repository that has the needed mods to support the module. What I was suggesting is to build a standard filesystem image, su... Michael Williamson
03:20 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Booting StarterWare image from NAND
Tim,
Yes we do have a plain u-boot from you. So if I understand this correctly the MLO, uboot and boot options
are already in NAND. So by putting our image into NAND (say at where the linix kernal would be) and then
modifying th...
Anonymous
TI 03:10 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Booting StarterWare image from NAND
John
booting from NAND is really just a change to your uboot environment settings. If you have a stock u-boot from Critical Link, you should see a number of different boot options.
booting from nand would be something like
nand read.i...
Tim Iskander
02:48 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: Booting StarterWare image from NAND
Hi,
We currently have our MityArm based system (MityArm CPU module, custom board)booting
into uboot and then loading out StarterWare based image from the sd card by setting the
bootcmd to:
mmc rescan; fatload mmc 0 80000000 emb...
Anonymous
MW 07:01 AM MityDSP-L138 (ARM9 Based Platforms) 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.
The minimum core voltage that can be applied is 1.2 volts (even if you drop your OPP down to 200 MHz or below) because o...
Michael Williamson
SP 05:57 AM MityDSP-L138 (ARM9 Based Platforms) 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 respective 1.3V for 456MHz.
To what voltage source are these pins connected to? I just see 1.2V, 1.8V, 3.3V and the variable...
Stéphane Peter
SP 06:36 AM MityDSP-L138 (ARM9 Based Platforms) 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 from the ARM to a PC, we reach a bandwidth from over 4MB/s with 8K UDP packets at 300MHz. When we now increase the CPU freq...
Stéphane Peter

02/06/2013

MK 11:08 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Critical Link Kernel integration w/ Angstrom/OpenEmbedded
I was able to recover my BeagleBone and BeagleBoard build environments by removing restoring the *EXTRALAYERS ?= ""* entry in conf/bblayers.conf. Yay! I suppose there is something in the MityArm layer that is causing this trouble.
...
Michael Karasoff
MK 10:03 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Critical Link Kernel integration w/ Angstrom/OpenEmbedded
Hello,
I am also trying to build Angstrom according to the tutorial on the wiki: http://support.criticallink.com/redmine/projects/armc8-platforms/wiki/Installing_Open_Embedded
I've been successful in the past building and Angstrom ...
Michael Karasoff

02/04/2013

JC 10:48 AM MityDSP-L138 (ARM9 Based Platforms) 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/arm9-platforms/wiki/Programming_the_FPGA#Using-u-Boot-to-load-the-FPGA
And this one for loading StarterWare.
http://...
Jonathan Cormier
MW 08:12 AM MityDSP (TI TMS320C6xxx Based Products) FPGA Development: RE: About CE4 CE5 and INT6's pin asisgnment in FPGA
Hello.
CE4 is connected to W15 of the FPGA (Bank 4).
CE5 is connected to AA15 of the FPGA (Bank 4).
GP [6] is connected to the FPGA_INIT_B signal on the FPGA, AC14. There is also an external 1K pullup to 3.3V on this net.
GP [7] i...
Michael Williamson
HP 03:02 AM MityDSP (TI TMS320C6xxx Based Products) FPGA Development: About CE4 CE5 and INT6's pin asisgnment in FPGA
Hi,
I want to design a sync fifo in the FPGA, which will use a synchronous interface in EMIF. So it is better
to use a separate CE pin other than CE2.
According to the MityDspProSpec.pdf, DSP pins CE2 CE4 CE5 INT4 INT5 INT6 are...
Haibo Pang

02/02/2013

AK 08:28 AM MityDSP-L138 (ARM9 Based Platforms) 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, StarterWare will create an image that will be loaded to the NOR flash memory and replace (or not?) the linux kernel. U-Boot w...
Alex Kucherov
MW 06:43 AM MityDSP-L138 (ARM9 Based Platforms) 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 mind that the boot time of a "stock" implementation also includes the UBL load time (User Boot Loader, loaded from SPI, co...
Michael Williamson
AK 06:19 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Linux boot time on the MityArm1808F
English is not my first language so please +BEAR+ with me. :) Alex Kucherov
AK 06:03 AM MityDSP-L138 (ARM9 Based Platforms) 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 working on a data logger project based on the MityArm1808F (currently using the Industrial IO Development Kit). My plan is ...
Alex Kucherov

01/29/2013

MW 11:20 AM MityDSP-L138 (ARM9 Based Platforms) 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 the option is not enabled) and add ftpd as an option. This is really how you would install it.
There is a really shoul...
Michael Williamson
MF 10:56 AM MityDSP-L138 (ARM9 Based Platforms) 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.
Thanks for the help.
Mary
Mary Frantz
MW 10:48 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: TFTP (or FTP) Server
This error: Michael Williamson
JC 10:40 AM MityDSP-L138 (ARM9 Based Platforms) 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 seems designed for some kind of one-wire serial link...
http://owfs.org/uploads/owftpd.1.html
Jonathan Cormier
MF 10:37 AM MityDSP-L138 (ARM9 Based Platforms) 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 update
This ran more successfully, but still had this error:
Collected errors:
* opkg_download: Failed to download ...
Mary Frantz
TI 10:17 AM MityDSP-L138 (ARM9 Based Platforms) 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.
- The nameserver is specified in /etc/resolv.conf and is typically (although not always) the same as your gateway. Try
Tim Iskander
MF 10:11 AM MityDSP-L138 (ARM9 Based Platforms) 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 update
Downloading http://feeds.angstrom-distribution.org/feeds/v2012.05/ipk/eglibc/arm
v5te/base/Packages.gz.
wget: bad a...
Mary Frantz
JC 10:04 AM MityDSP-L138 (ARM9 Based Platforms) 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 opkg list command. This will hopefully result in better results, otherwise its possible they don't have a ftpd package fo...
Jonathan Cormier
MF 09:54 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: TFTP (or FTP) Server
Running
root@mityomapl138:/etc/init.d# opkg list | grep ftpd
yielded no results.
Running
root@mityomapl138:/etc/init.d# opkg list | more
yielded lots of results, none of them contained "ftpd" or "ftp", only "sftp".
root@mityoma...
Mary Frantz

01/28/2013

JC 01:37 PM MityDSP-L138 (ARM9 Based Platforms) 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 ftpd
owftpd - 2.7p28-r0.5 - Anoymous FTP server for 1-wire access
proftpd - 1.3.2b-r0.5 - Secure ftp daemon
proftpd-de...
Jonathan Cormier
JC 01:10 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: TFTP (or FTP) Server
http://stackoverflow.com/questions/3477471/whats-a-decent-sftp-command-line-client-for-windows
SFTP/SCP is automatically available through the ssh dropbear daemon on the embedded device so wouldn't require any special changes on the e...
Jonathan Cormier

01/27/2013

AS 04:40 PM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: RGMII PHY Electrical Specification
MityArm (335x) SOM supports two RGMII interfaces and both interfaces support only 3.3V logic levels Alexei Shkurko

01/24/2013

JM 02:55 PM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RGMII PHY Electrical Specification
What is the electrical specication of the RGMII interface from the MityDSP? Is it 3.3 or 2.5V LVCMOS? Joel Meltzer

01/21/2013

ML 07:30 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Ethernet gadget - unable to connect to host PC
Hi,
There are two labels attached:
one says: 110264
the other: 80-000268RI-2 A
Seens to be something with the otg connector in the B revision...
regards
Mads-l
Mads Olav le Maire
MW 07:18 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Ethernet gadget - unable to connect to host PC
Hello Mads,
Sorry for the delay. Can you please post the part number for your board? On some of our older boards there was a problem with the USB_ID pin on the OTG connector. Let's make sure that's not the issue.
There is inform...
Michael Williamson
MW 07:22 AM MityDSP-L138 (ARM9 Based Platforms) PCB Development: RE: Voltagelevel for EMA (PowerGroup B - DVDD3318_B)
The EMIFA pins (PowerGroup B) are configured as 3.3V for all configurations of the MityDSP-L138 and MityARM-18XX family of SOMS. Michael Williamson
MW 07:20 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Profibus Matser development on the Profibus DevKit
Hi Jeremy,
We have not done anything here with Profibus Master on the AM1810. TI provides a 3rd party vendor for the AM1810 Profibus PRU drivers. I believe they have tested their firmware using the MityDSP-1810 on an Industrial I/O ...
Michael Williamson

01/17/2013

GG 11:36 AM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Creating FPGA Base-Project - core manager problem
Hi Christian,
We do not currently distribute the vhdl for the MDK cores that are missing from that project. We do, however, distribute the netlists, which will allow you to build that project. Include the netlists from MDK\fpga\cores\...
Gregory Gluszek
MF 11:05 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: TFTP (or FTP) Server
Yes, I have used that.
We are developing an embedded product. Our application code will run from startup. It will create files. We are also developing a companion application on a host PC to communicate with the embedded application....
Mary Frantz
MW 10:50 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: TFTP (or FTP) Server
Normally, we use scp to transfer files to a remote server on the ARM.
You can configure ssh keys to allow transfers without having to type a password in, if you need it.
-Mike
Michael Williamson
MF 10:04 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: TFTP (or FTP) Server
How do you start a tftp (or ftp) server on the ARM? Or how do you transfer files to a remote server programmatically? I need to have the server start up automatically or be started from a function call, not from a shell command line.
...
Mary Frantz
TE 11:03 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Bootcmd break
That is exactly what I need. Thanks Mike. Tim Eastham
MW 11:01 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Bootcmd break
Tim,
Just hit a key and break and load the code manually?
If you want the FPGA to be loaded, then we often make a separate script for loading the fpga, e.g:
setenv progfpga 'sf probe 0;sf read 0xc0700000 0x580000 0x80000;loadfpg...
Michael Williamson
TE 10:51 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: Bootcmd break
I am presently storing the firmware in non-volatile memory when I hand it off for testing. The problem is, sometimes I need to just download some code into ram to test. Is there a way to provide an opportunity to break in a bootcmd? H... Tim Eastham

01/16/2013

03:21 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: DHCP is erratic in uboot
Just to let you know that if you set the phy register 9 (1000Base-T Control) to 0x0000 (turn off advertisement
for 1000 full/half duplex), then DHCP will work in uboot. I'm still looking into DHCP at gig settings.
John C.
Anonymous
02:41 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: DHCP is erratic in uboot
Thanks Tim,
I've been beating my head against a wall for a bit so hopefully there will be something good
there.
John C.
Anonymous
TI 02:37 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: DHCP is erratic in uboot
John
There is quite a long discussion on the TI e2e site about this very subject. I suspect some of it will be pertinent to your situation.... specifically the parts about the recv phy timings.
http://e2e.ti.com/support/dsp/sitara_arm1...
Tim Iskander
02:26 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: DHCP is erratic in uboot
We are having problem getting DHCP to work consistently on are board that uses the
the Mity AM3359 module (and our KSZ9021RL Phy). Port 0 failing is normal but when
port 1 finishes autoneg, I see the DHCP requests go out on the line an...
Anonymous
JC 04:33 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: How Can I use UART0 & UART2 in MityDSP-L138F?
jong sung choi wrote:
> hi mike. thank you but
> ...
jong sung choi
JC 04:32 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: How Can I use UART0 & UART2 in MityDSP-L138F?
hi mike. thank you but
I just did you notice to me "Network configuration" article.
It can changed Ethernet config 2 to 3 or 3 to 2 but it can not changed 2 or 3 to 0. is it normal?
jong sung choi

01/15/2013

MW 07:14 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: How Can I use UART0 & UART2 in MityDSP-L138F?
You should be able to disable the ethernet device by setting the ethernet configuration in u-Boot to indicate no ethernet according to "this wiki page":http://support.criticallink.com/redmine/projects/arm9-platforms/wiki/Network_configur... Michael Williamson
JC 01:07 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: How Can I use UART0 & UART2 in MityDSP-L138F?
Hi I'm currently using your MityDSP-L138F SOM with custom baseboard which I designed.
In Our Baseboard UART0(pin 81 txd, pin 83 rxd) connected to GPS receiver and UART2(pin 59 txd, pin 61 rxd) connected to Modem some reason.
I'm succ...
jong sung choi
ML 06:48 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: Ethernet gadget - unable to connect to host PC
Hi,
I have problems connecting to the industial IO/AM1808 card using device USB. I have built the kernel and the ethernet gadget module from git (3.2.x) - the module loads without any errors - I do get a usb0 network device right away...
Mads Olav le Maire
ML 04:12 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: AM1808-industrilal I/O performance
Thanks,
Missed that one - it's working.
Mads-l
Mads Olav le Maire

01/14/2013

CR 03:46 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Creating FPGA Base-Project - core manager problem
Hi Greg,
i opend the "build_lcd_rev_c" example project and migrate it to the 14.4 version. I think the migrtion works but there are some files needed what i can't find in the MDK.
see the attached picture. Therfore i couldn't try to ...
Christian Rückl

01/13/2013

DG 09:39 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Debugging DSP in VirtualBox?
I have being using SD XDS510 USB + VirtualBox 4.1.16 + CCS 5.2.0 with no problems. Dmitry Gorulko
GG 05:07 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Creating FPGA Base-Project - core manager problem
Hi Christian,
The ISE Webpack license should be sufficient for what you are trying to do.
Try opening one of the projects in MDK\examples\industrial_io\fpga\build_* and see what that tells you. You will most likely be asked to mi...
Gregory Gluszek

01/12/2013

CR 02:23 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: Creating FPGA Base-Project - core manager problem
Hi,
I've started with the FPGA-design in ISE Webpack 14.4.
I added all files from "MDK_2012-08-10\fpga\vhdl" to the project and also the "EMIFA_dcm.xco" file. I tried to regenerate this core in my project but I don't know why, but i...
Christian Rückl
CR 02:11 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: DSP Link example not working
Mike,
I got it and it's working now :)
Thanks.
Christian
Christian Rückl
CR 02:10 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: u-Boot configuration for DSP-Startup
Tim,
It's working now.
Thanks!
Christian
Christian Rückl

01/10/2013

MW 12:18 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: PRU Kernel Driver
The PRU drivers are not installed. You'll need to rebuild the kernel. You may need to patch in the PRU drivers as well.
-Mike
Michael Williamson
JY 11:20 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: PRU Kernel Driver
Do any of the kernels built by critical link have the PRU drivers installed? Or do I have to rebuild a kernel with this driver?
Jeremy
Jeremy Young
MW 08:14 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: AM1808-industrilal I/O performance
Oh. You should be all set, see [[Setting_CPU_Speed]].
-Mike
Michael Williamson
ML 08:11 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: AM1808-industrilal I/O performance
Hi,
Yes - both kernel settings is set to 'y'.
root@vdr:/sys/devices/system/cpu/cpu0/cpufreq# cat scaling_available_frequencies
456000 408000 372000 300000 200000 96000
Mads-l
Mads Olav le Maire
MW 07:58 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: AM1808-industrilal I/O performance
Can you check if CONFIG_CPU_FREQ=y is set in the 3.1 kernel configuration. Also can you confirm that the CONFIG_CPU_FREQ_GOV_USERSPACE=y?
can you also:
Michael Williamson
ML 02:24 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: AM1808-industrilal I/O performance
Hi,
I am usually running the 3.1.x kernel that I build from the git repository downloaded from Critical link. Here are kernel logs for both this kernel and the kernel which resides in SPI-flash from factory.
I notice that the /sys/ke...
Mads Olav le Maire
 

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