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From 10/21/2013 to 11/19/2013

11/19/2013

05:49 PM MitySOM-5CSX Altera Cyclone V FPGA Development: Ethernet
Hi,
How can I configure the FPGA such that the ethernet will still be functioning after I program it. I notice that the ethernet is down after I load the fpga.
Cheers,
Jac
Anonymous
MW 05:25 PM MitySOM-5CSX Altera Cyclone V FPGA Development: RE: Clock
There is a 25 Mhz clock brought in on the main HPS_CLK1 input (pin E20). It's actually defined in the Qsys HPS component of the reference project. Qsys automatically connects the HPS clocks during the build process. You can route this... Michael Williamson
05:18 PM MitySOM-5CSX Altera Cyclone V FPGA Development: Clock
Hi,
Where is the clock on the MityArm?
I am using your mityarm_5csx_dev_board project, and it's not there. Could you provide me the pin assignment for your clock please?
Thanks!
Jack
Anonymous

11/18/2013

PD 08:43 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: Compiling the HelloWorld application with CGT
Hi,
I was trying to compile the DSP HelloWorld Application available at the following location. http://support.criticallink.com/redmine/projects/arm9-platforms/wiki/DSP_Hello_World. I got both the ARM side and the DSP side files to co...
Prashant Dabholkar
MW 05:04 PM MitySOM-5CSX Altera Cyclone V FPGA Development: RE: Unable to access Linux
Hi Jack,
We haven't trying using an Altera MMK, we instead us the USB Blaster or the USB Blaster II directly. Is it possible that the Altera MMK is holding the reset pin active?
You can load the FPGA via an Raw Binary File without...
Michael Williamson
04:38 PM MitySOM-5CSX Altera Cyclone V FPGA Development: Unable to access Linux
Hi,
I am having trouble accessing the Linux system on the SD card, when the MityARM is connected to the PC, meaning that I can't access on putty. However, when it's not connected to the PC via the programmer board (Altera MMK), I can ...
Anonymous
MW 05:01 PM MitySOM-5CSX Altera Cyclone V FPGA Development: RE: Input/Output interfacing
Hi Rich,
You need to be careful with the pin assignments. If you change an assignment that is by default controlled by the HPS subsystem to FPGA fabric (or vice-versa) you will need to regenerate the Altera "Pre-Loader" (first stage ...
Michael Williamson
MW 04:57 PM MitySOM-5CSX Altera Cyclone V FPGA Development: RE: FPGA - HPS DDR Memory
Hi Jack,
I would recommend using Qsys and exporting the FPGA->HPS DDRAM bridges. Then if you create an Avalon memory mapped controller (spec including the timing diagrams can be found "here":http://www.altera.com/literature/manual/mn...
Michael Williamson
04:42 PM MitySOM-5CSX Altera Cyclone V FPGA Development: FPGA - HPS DDR Memory
Hi,
I need to design system where I store input data to the memory via the FPGA, and then export it out to my computer through the HPS.
My only problem is that I am not very familiar with using the AXI bridge. Can someone please pr...
Anonymous
BK 11:58 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: EDMA conflict DSP <-> Linux
Hej Mike,
I just checked the master priorities. I changed it to the following values:
> 0: EDMA3_0_TC0
> ...
I use EDMA3_0_TC0 for the McASP-transfers and EDMA3_0_TC1 for all other requests.
Unfortunatly the behavior is exactly t...
Benedikt K.
MW 10:42 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: EDMA conflict DSP <-> Linux
The reservation of resource may be non-sense, but the resources specific to device drivers (like McASP channel queues) will not be touched by the linux kernel if the drivers are not activated, so I suspect that is not the problem.
Ins...
Michael Williamson
BK 09:54 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: EDMA conflict DSP <-> Linux
The bug was in the param-sets of the edma which were not set correctly in my application.
But now I have another issue with the edma:
I use linux on the ARM to configure external devices via I2C like DAC/ADCs and to communicate via...
Benedikt K.
BD 10:06 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Linux startup with app running after boot
Steven,
Once you have your program output going to stdout, you can redirect it to a file that can be viewed after the system boots:
Bob Duke
JC 09:31 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Linux startup with app running after boot
You should be using normal stdout printf's in your program and not opening the serial port. Jonathan Cormier

11/16/2013

SH 08:13 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Linux startup with app running after boot
I was wrong about starting the app with the full pathnames for both the app and the DSP executable. I wrote a service to start it up that way, and it works, but it crashes the terminal program (I am using Putty) and I have to restart my... Steven Hill

11/15/2013

SH 07:26 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Linux startup with app running after boot
Thanks for that, but how do you do the same thing with a systemd service? My filesystem is using systemd for startup. Steven Hill
TI 06:30 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Linux startup with app running after boot
Steven
In your script that runs the app, just "cd" to the correct directory. I.e.
cd /mnt/user_nand
./myApp mydspExecutable &
cheers
/Tim
Tim Iskander
SH 06:27 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Linux startup with app running after boot
I have what might seem like a dumb question. I like the idea of starting the app as a service, and I have written and tested a service that loads the fpga_ctrl and DSPLink modules on startup. My application and the files it needs to ru... Steven Hill

11/14/2013

JJ 03:40 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: MityARM-335x Development Kit touch screen
Thanks Jonathan.
I just pulled down the latest from the mityarm-linux-v3.2 branch and the touchscreen is working.
Jesse Johnston
JC 01:22 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: MityARM-335x Development Kit touch screen
Jesse,
I just pushed an update to the 3.2 branch.
Upon further investigation it was found that the 3.2 change included some behind the scenes changes to how ti was initializing the touchscreen. A new omap_hwmod interface was added ...
Jonathan Cormier
RB 02:39 PM MitySOM-5CSX Altera Cyclone V FPGA Development: RE: Input/Output interfacing
Thanks Mike,
I was able to export the signals I wanted and they now show up in Pin Planner.
Is it in general ok to retask signals in the 5CSX_IO class?
For example, I see that on Module Pin Number 60 corresponding to CYCLONE pin AH2...
Rich Bagdazian

11/13/2013

MW 01:41 PM MitySOM-5CSX Altera Cyclone V FPGA Development: RE: Input/Output interfacing
The FPGA ball numbers can be mapped to the edge connector via Table 7 in the "datasheet":http://www.mitydsp.com/images/upload/File/MityARM-5CSX-Datasheet.pdf.
The devkit baseboard schematic is "here":http://support.criticallink.com/re...
Michael Williamson
JC 10:35 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: MityARM-335x Development Kit touch screen
Jesse,
I agree that doesn't look like it would be the problem.
Jonathan Cormier

11/12/2013

RB 07:03 PM MitySOM-5CSX Altera Cyclone V FPGA Development: RE: Input/Output interfacing
Also, I don't know if I have seen a file which shows which physical pins on the FPGA end up on which physical connectors/pins on the carrier board.
Can you point me in the right direction?
Thanks!
Rich Bagdazian
RB 07:01 PM MitySOM-5CSX Altera Cyclone V FPGA Development: RE: Input/Output interfacing
Hi Dan
Yes, I have done exactly as you described.
I haven't worked with the Pin Planner as of yet, so I'll take a look at that tomorrow.
So if I understand correctly, after I do a successfule Analysis and Synthesis step, the signals...
Rich Bagdazian
DV 05:49 PM MitySOM-5CSX Altera Cyclone V FPGA Development: RE: Input/Output interfacing
Hi Richard,
I'm guessing you've created a component with a conduit for these external signals and you've exported this conduit through qsys to your top level entity, is this assumption correct? If it is then you can use the pin planne...
Daniel Vincelette
RB 04:47 PM MitySOM-5CSX Altera Cyclone V FPGA Development: Input/Output interfacing
I have built a custom component in QSYS as a memory-mapped avalon slave and been able to interface it
correctly so that I can communicate with it via the ARM processor as expected. This module also provides
some I/O signals that I want...
Rich Bagdazian
JJ 06:20 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: MityARM-335x Development Kit touch screen
When I diff the config file between the two branches ( git difftool mityarm-linux-v3.2 AM335XPSP_04.06.00.02 -- arch/arm/configs/mityarm-335x-devkit_defconfig ), I don't see any changes to CONFIG_TOUCHSCREEN_TI_ADC or CONFIG_TOUCHSCREEN_... Jesse Johnston
JC 05:45 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: MityARM-335x Development Kit touch screen
Jesse,
It also looks like when we switched from 3.1 to 3.2, we switched from the touchscreen driver we wrote to the one that TI added in 3.2. If you could switch back to ours and report whether it starts working that would be a good f...
Jonathan Cormier
JC 05:24 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: MityARM-335x Development Kit touch screen
Jesse,
This is a known issue with the current 3.2 kernel. Noted here: http://support.criticallink.com/redmine/projects/armc8-platforms/wiki/Cl_v32_AM335XPSP_#Known-Issues
I was unable to determine why the touch events were coming i...
Jonathan Cormier
JJ 05:05 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: MityARM-335x Development Kit touch screen
I am having trouble using the touch screen on the MityARM-335x Development Kit wit the mityarm-linux-v3.2 branch of the kernel repository.
I built the boot loader using instructions from : http://support.criticallink.com/redmine/pro...
Jesse Johnston
JC 02:33 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: EDMA conflict DSP <-> Linux
Was the bug in the kernel or your application? Jonathan Cormier
BK 02:09 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: EDMA conflict DSP <-> Linux
Found the reason. The DMA configuration was wrong. Benedikt K.
TI 07:59 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Linux startup with app running after boot
Steven
One other note..
If you are using a newer filesystem with systemd (does /etc/systemd exist) things are a bit different. The link in step 4 talks about it a bit.
cheers
/Tim
Tim Iskander
TI 07:52 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Linux startup with app running after boot
Steven
1 - No you don't need to log in as root... the init system will run your script for you. One thing that may catch you (it got me) is that HOME will not be defined when your script is run by init.
2 - Copy a simple script in /e...
Tim Iskander

11/11/2013

SH 08:28 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: Linux startup with app running after boot
I am at the final stage in getting my project working on the MityDSP L138 board. I want to load the FPGA control module and the DSPLink module and then start my application, which is designed to run until the sun goes nova or the batter... Steven Hill

11/09/2013

BK 06:06 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: EDMA conflict DSP <-> Linux
Hej Mike,
I'm using my own board and also my own baseboard-configuration.c which is based on your baseboard-industrialio.c. I removed everything related to SPI, McASP and USB - espacially the functions
> baseboard_setup_spi();
> ......
Benedikt K.

11/08/2013

MW 01:56 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: EDMA conflict DSP <-> Linux
What baseboard file are you using?
The devkit one configures MCASP for use by the ARM/linux. Could be a resource contention?
The board-da850-evm.c code is reserving EDMA channels such that the linux OS doesn't try to use them. ...
Michael Williamson
BK 09:47 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: EDMA conflict DSP <-> Linux
Hej,
I try to use the EDMA to copy data from the McASP to and from a buffer for further processing on the DSP.
If I don't use the EDMA but McASP interrupts to copy the data it works fine, but when I try to use the EDMA it does not ...
Benedikt K.

11/05/2013

BD 10:37 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: How to launch application on startup
Bob Duke
MF 09:55 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: How to launch application on startup
So, from the command line: Mary Frantz
MW 07:05 AM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: uPP receive issues
Yes, this is the issue. The pin-muxed OMAP-L138 net that includes the UPP_CHB_CLOCK is not connected to a GCLK pin. We didn't have the routing resources (or the clock pins) to connect every possible clock pin on the OMAP-L138 to a GCLK... Michael Williamson
MT 06:18 AM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: uPP receive issues
I have resolve that problems. Maybe I was wrong to select uPP clock sources (PLL1_SYSCLK2).
But, when my FPGA sytem is bigger. I have an other bugs when mapping the logic.
Place:1108 - A clock IOB / BUFGMUX clock component pair hav...
minh tung

11/04/2013

BD 01:09 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: How to launch application on startup
Mary,
When you exit a shell, all processes connected to the shell are typically terminated. When you execute a script, the shell used to run the script terminates at the end. Your application is probably being terminated prematurely....
Bob Duke
JC 12:54 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: How to launch application on startup
Do you happen to know if your system is using systemd for starting processes?
You can check to see if the following directory exists: /etc/systemd/
If you have a filesystem that uses systemd then reading the following may be helpfu...
Jonathan Cormier
JC 12:48 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: How to launch application on startup
You can run the command "ps | grep myApplication" and look for your process in order to tell if its running.
Also normally you would redirect output from the console to a log file for your application, something like:
/home/root/He...
Jonathan Cormier
JC 12:44 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: How to launch application on startup
Mary,
I think you have a typo here:
./home/root/HelloWorldDSP/Debug/myApplication myArgument &
There shouldn't be a period at the beginning of the line.
Jonathan Cormier
MF 12:41 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: How to launch application on startup
Could you provide an example of how to start an application on startup. I get that you can run it from a script in init.d which is referenced in rc5.d. My problem is that if I start it in the background (even from a shell command) it s... Mary Frantz

11/03/2013

LC 08:21 PM MityDSP (TI TMS320C6xxx Based Products) Software Development: cl_int00.asm
Hi,
When debugging a program that is running on the MityDSP-PRO C6455, I get the following in the workspace error log upon a restart:
Warning
Mon Nov 04 12:06:09 EST 2013
Unable to locate file: C:\jenkins\workspace\MityDSP-6711-M...
Leon Craven

10/30/2013

JC 11:44 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
Dan,
I noticed while working on your board that you are using debian as your root filesystem. Could you point me to where you got the base filesystem? Or any pointers on getting this to work?
I've found a helpful tutorial for the ...
Jonathan Cormier

10/29/2013

DM 04:05 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
thanks for the support great job. yes fstab need to be fixed along with omap-i2c timeout. dan mcgee
JC 03:50 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
Also this is unrelated but your /etc/fstab file was corrupted on the sd card you sent to us and was throwing a few errors on boot. Jonathan Cormier
JC 03:36 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
Dan,
I found the issue. There was a pin in conflict. The mmc2_wl12xx_init() was using one of the pins your rmii pin mux was using.
I've attached the original patch with my typo fixed. And a patch that disables some extra periph...
Jonathan Cormier
JC 02:17 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
Interesting, I tried fixing my typo and it breaks ethernet.... Jonathan Cormier
DM 01:55 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
thanks work great, but two questions:
1) why is the rmii2 pin mux being called from the baseboard_setup_can()?
2) baseboard_setup_enet is calling rgmii2 pin mux config?
i'm commented out the code in baseboard_setup_enet and inser...
dan mcgee
JC 11:55 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
I'm fairly certain the only difference with my patch is it doesn't mess up all the whitespace and so should cleanly apply to the branch. Jonathan Cormier
JC 11:51 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
Here is my version of your patch which was applied to the head of the mityarm-linux-v3.2 branch.
EDIT:
Attached again with proper extension.
Jonathan Cormier
JC 11:48 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
I based it off the mityarm-linux-v3.2 branch but also tested it using the cl_v3.2_AM335XPSP_04.06.00.07 tag that you mentioned and got the same results. I would highly recommend using the mityarm-linux-v3.2 branch though as there have b... Jonathan Cormier
DM 11:47 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
the error index are expected, no i/o (sign) attach dan mcgee
DM 11:45 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
which git tag do you use? dan mcgee
JC 11:43 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
I brought it up with
# ifconfig eth0 up
# dhclient eth0
and then _scp_'d the kernel uImage file
Jonathan Cormier
DM 11:41 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
great, how did you test the ethernet? dan mcgee
JC 11:39 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
Dan,
I compiled the 3.2 kernel for your board. The networking seems to be working for me (see below). Also the usb_test didn't break but it is reporting some errors. Did you see this when you tried it?
Jonathan Cormier
DM 09:12 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
the only change was the usb cdc device. attach is our .config file dan mcgee
MW 09:09 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
I would recommend that you guys sync up on your .config files for the kernel builds as well.
-Mike
Michael Williamson
DM 09:06 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
ok we are know on the same page. let me see what i can come up with. dan mcgee
JC 09:04 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
Yes, but you had suggested I test this on our devkit which we don't have such a pic. Jonathan Cormier
DM 09:03 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
on the board is a pic that is connected to /dev/ttyACM0 dan mcgee
JC 09:01 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
What I meant was that we don't have a physical usb device that identifies itself as /dev/ttyACM0. Jonathan Cormier
DM 08:59 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
in the config menu dan mcgee
DM 08:59 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
when you build the kernel add a usb cdc acm device. dan mcgee
JC 08:54 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
Dan, I don't have a /dev/ttyACM0 device. The only one i have is attached to your board. I'm currently trying to get the kernel to boot on your board. Your patch from above doesn't apply cleanly to the AM335XPSP_04.06.00.02 branch. Jonathan Cormier
DM 08:52 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
you can test this by running the usb_test /dev/ttyACM0 dan mcgee
JC 08:25 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
I had meant that I pulled the patch from the 3.2 branch into the 3.1 branch where you already had ethernet working. How can I test this on our mityarm baseboard? I don't have a cdc device to plug in. Jonathan Cormier

10/28/2013

DM 07:35 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
i ran the patch on your mityarm board. I found the usb to be unstable, ethernet works. dan mcgee
DM 06:19 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
what does this patch address? in the 3.2 kernel the usb works great. the rmii2 ethernet is the problem. dan mcgee
DM 06:12 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
downloading now, the wait on /dev/mmcblk.... is do to the gpio.cd and gpio.wp should be set to -EINVAL. dan mcgee
JC 05:24 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
Dan,
I found a patch on the 3.2 branch that may solve the problem your having. I pushed it to a new branch on our git "usb_fix_test". I tried to compile and test it on the board you gave us but it wouldn't get past "Waiting for root...
Jonathan Cormier
DM 03:36 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
background:
usb_test runs all day on 3.2 kernel with git tag:cl_v3.2_AM335XPSP_04.06.00.07
on AM335XPSP_04.06.00.02 the following error occurs.(see below)
source code for usb_test is in the ~/board_test/usb_test.c
gcc usb_test.c -o...
dan mcgee
BD 02:56 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
Dan,
Can you provide specific details on what you are doing to create the usb_test program and what device you have connected to /dev/ttyACM0? How are you determining USB is unstable?
Thanks,
-Bob
Bob Duke
DM 01:47 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
yes the udev update and script does restart the usb2 port. thanks for the patch.
usb is still unstable running ~/usb_test /dev/ttyACM0 test code.
~/usb_test is stable under cl_v3.2_AM335XPSP_04.06.00.07
just a note the hokey-pokey.sh ...
dan mcgee
JC 10:25 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
Dan,
We found a bug in our reference filesystem. I created a wiki page on it. Could you please apply the changes it describes and let us know if it solves your problem.
http://support.criticallink.com/redmine/projects/armc8-platform...
Jonathan Cormier

10/25/2013

SH 06:15 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Can't get DMA using low level driver working on DSP
Thanks for the replies. I'm using the 0x66000000 (CS5) space.
However, I was wrong about the interpretation of the hi-res clock in DSP/BIOS - each count is one CPU clock cycle, so the transfer rate is closer to 170ns per 16-bit word. ...
Steven Hill
DR 08:46 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Can't get DMA using low level driver working on DSP
If you have cache enabled for the DDR, I don't think it should be much faster to use IRAM. Your DMA in this case will complete when the data is in cache, not when it is in DDR.
Transfers from the EMIF interface are not very efficient...
David Rice
MW 07:45 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Can't get DMA using low level driver working on DSP
The crossbar to the EMIF is not great. Which CS space are you using for your transfer? The number of wait states changes with chip select space.
Transferring to IRAM may help you, as I believe the DMA will transfer from EMIFA to CPU...
Michael Williamson
JC 01:37 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
Are you applying your patch on top of these checkouts? Jonathan Cormier
DM 01:21 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
the usb port is stable on tag cl_v3.2_AM335XPSP_04.06.00.07
but Ethernet will not work. usb is unstable on tip AM335XPSP_04.06.00.02 branch, but Ethernet will work.
Any ideas?
dan mcgee
DM 10:27 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
still a problem with usb on this branch. dan mcgee
AB 10:23 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
Could you post an updated patch to show what was changed to resolve the issue?
Thank you.
Alexander Block
DM 10:04 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
thank you for the support dan mcgee
DM 10:01 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
commented out some of the pin mux structs and now Ethernet is working. dan mcgee
MW 08:10 AM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: uPP receive issues
Do you know which two byes you are missing? Are they consistently the same two bytes?
Do you have a chipscope license?
Michael Williamson

10/24/2013

SH 08:10 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Can't get DMA using low level driver working on DSP
I hope somebody is still monitoring this thread - I have DMA working now using buffers on the FPGA, but the transfers seem to be pretty slow. I am transferring 228 16 bit words from the FPGA buffers (so over the EMIF). I am using the h... Steven Hill
DM 01:22 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
we are not using flash dan mcgee
JC 01:15 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
Also do you plan on using the nand? You have a module that has the larger 512MB nand which requires the latest u-boot and kernel image to work (See the CONFIG_NAND_MITYARM_LARGE_PAGE_SUPPORT option for the kernel and the mityarm335x_4kp... Jonathan Cormier
DM 01:14 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
new patch file using format-patch --ignore-space-change dan mcgee
JC 01:08 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
I'm having a hard time finding the actual change in the patch. If you could recreate your patch ignoring white space change that would be much appreciated. Jonathan Cormier
JC 01:03 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Ethernet RMII2 working in u-boot, but not kernel
FYI, the kernel has very strict rules about formatting. In this case the use of tabs instead of spaces. Most of your patch is converting tabs to spaces which is a big no no for kernel code.
https://www.kernel.org/doc/Documentation/Cod...
Jonathan Cormier
DM 12:43 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: Ethernet RMII2 working in u-boot, but not kernel
problem description:
no eth0 data begin transmitted on tx0 or tx1 lines, running with rmii2 configuration.
mac_control loopback not working.
ifconfig stats for eth0: showing tx counter incrementing, all other counters are zero.
*...
dan mcgee
SH 10:54 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: SYS/BIOS and SYSLINK
Hi Mike:
Here is another example of why I think the move to SYS/BIOS is necessary - check out this post:
http://e2e.ti.com/support/development_tools/code_composer_studio/f/81/p/3205/116267.aspx
note the key phrase - "RTDX no lon...
Steven Hill

10/23/2013

MT 08:25 AM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: uPP receive issues
I have updated my source code
This is my *.ucf file
NET "o_upp_2xtxclk" LOC = "F4" | IOSTANDARD = LVCMOS18;
NET "io_upp_chb_clock" LOC = "T1" | IOSTANDARD = LVCMOS18;
NET "io_upp_chb_start" LOC = "T2" | IOSTANDARD = LVCMOS18 | PU...
minh tung
MT 08:03 AM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: uPP receive issues
Hi,
I am using Upp to transfer data between FPGA and OMAP.
The data send from FPGA to OMAP is OK. But FPGA can not receive exactly data from OMAP.
FPGA has missed 2 byte from OMAP.
in FPGA design, i have used clock from OMAP to recei...
minh tung

10/22/2013

JC 11:42 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: VBACKUP Current Draw
Mark,
This change has been added to u-boot. The following branches have the fix:
* AM335XPSP_04.06.00.03
http://support.criticallink.com/gitweb/?p=u-boot-mityarm-335x.git;a=commit;h=359dcc2dc57a10c0e495c8f352cd0812d1db8171
* AM3...
Jonathan Cormier
 

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