Activity
From 10/17/2012 to 11/15/2012
11/15/2012
- We are currently using your Mity DSP-L138 development board for software development until our own mother board is ready.
Our final design requires 3 UARTS - obviously UART1 and 2 are readily available on your board - but is there an...
11/13/2012
- KV 08:09 PM Software Development: RE: Ethernet over usb
- Need help with the Linux kernel:
Generated the usb gadget, but cannot install it.
mitydsp@mitydsp-dev:~/workspace/craigs-lib$ uname -r
2.6.32-45-generic
make oldconfig
Make newconfig generated usb gadget for ethernet.
sud...
11/09/2012
- TI 01:57 PM Software Development: RE: How to change the pinmux
- Spencer
u-boot does the initial pinmux setup, look in board/davinci/mityomapl138/mityomapl138.c
The kernel then sets its own pinmux settings, see arch/arm/mach-davinci/baseboard-industrialio.c for the industiral I/O board.
For the ... - I am working with a MityDSP L138 on a custom baseboard, and am having trouble figuring out how to modify the pinmux settings. The board I am using re-purposes a lot of the I/O lines for different uses than on the industrial IO board, bu...
- MF 01:50 PM Software Development: RE: Remote Debugging Hello DSP
- Almost there ... I still have an issue.
John Pruitt said:
The error code 0x80008050 indicates that the connection requested by the client already exists. This probably means the first DSP program is already running and isn't automati... - MF 10:32 AM Software Development: RE: Remote Debugging Hello DSP
- Yes, I can run from the command line twice.
One problem: I needed to put the full path name for the DSP executable file. This fixed the DSP_EFILE error.
The other turns out to be a timing issue. I can't single step through the ini...
11/08/2012
- KV 08:28 PM Software Development: RE: Ethernet over usb
- Succussfully generated and installed g_ether.ko on the mitydsp board, and configured the usb0 withe an ip adrees. Thanks.
Attempted to do the sam thing on the host. It is missing the driver.
mitydsp@mitydsp-dev:/lib/modules/2.6.32-... - MW 01:35 PM Software Development: RE: Ethernet over usb
- The only way to get an invalid module format is if the kernel and modules aren't build from the same source / configuration / tree.
You might be explicit with your module load, e.g. - MF 01:45 PM Software Development: RE: How to build cmemk.ko
- Thanks!
I found the cmemk.ko module in the the /lib/modules/3.2.0/extra/ folder along with dsplinkk.ko and others. Used insmod for both and ran my application which ran some CMEM calls. - MW 12:50 PM Software Development: RE: How to build cmemk.ko
- The base and full filesystems in the MDK_2012-08-10 (MD_2012-08-10/fs/*.tgz) each have a cmemk.ko module located in the /lib/modules/3.2.0/extra/ folder. These should be modprobe-able if are you using the uImage that comes with the file...
- I need to use the CMEM utility, but there is no cmemk.ko file. I am trying to build it, but can't find any instructions for that.
I ran make from this directory: ~/MDK_2012-08-10/sw/3rdparty/linuxutils_2_26_01_02/packages/ti/sdo/linu... - MW 01:23 PM Software Development: RE: CLK frequency increase using DSP only
- OK.
The u-Boot / I2C commands to push the core voltage up to 1.3 volts, required for running at 456 MHz are as follows:
i2c mw 0x48 0x06.1 0x14 ## set DEFCORE to 1.3 volts
i2c mw 0x48 0x05.1 0xC0 ## enable transition to new ... - MW 12:55 PM Software Development: RE: Problems building a rootfile system
- Hi Mads,
We are actually considering moving all of our SOM linux capable products to Yocto (which is pretty close given we already have a chunk of the meta-mitydsp layers complete). Are the failures you are dealing with a result of t... - I would like to build my own rootfile system for the mityarm 1808 dev kit. So far I have only succeeded with builds from the online Angstom builder. All efforts of using open embedded as described in the wiki and the Angstrom description...
11/07/2012
- AH 05:09 PM Software Development: RE: CLK frequency increase using DSP only
- Great - thanks Mike. In addition to increasing the voltage, I'd also be most grateful for a list of (DSP or u-Boot) commands that actually increase the frequency to 456 MHz, if you have them.
Thanks,
Roger - MW 04:29 PM Software Development: RE: CLK frequency increase using DSP only
- Hello,
Some quick answers, though I must admit we don't normally abandon the ARM here in our applications, so you are on someone new ground....
1) I think this approach should work and would be the quickest / easiest to get you goi... - Hi,
I'm using a MityDSP-L138F board (L138-FI-225-RC). I'm porting an existing C6748-based DSP project, that gets in data through a high-speed interface (which I'm planning to use the FPGA and uPP interface for), and communicates with ...
11/05/2012
- MW 08:05 AM Software Development: RE: Using of SPI1 interface on DSP-Side?
- The SPI1 (chip select 0) is used to communicate with the on-module SPI-NOR FLASH on MityDSP-L138/MityARM-1808 modules. It is used during boot, but in general not used after loading up a kernel and/or your application (in the case of sta...
- Hi,
My plan is to connect a DAC on the SPI1 which is outrouted to the edgeconnector and control it by the DSP core but now i have seen, that the onboard NOR-Flash must be also conntcted to the sampe SPI1-Interface. Is it?
When th...
11/02/2012
- MW 12:27 PM PCB Development: RE: MityDSP-L138F Failure to Boot
- Hi Emmett,
I think Wade has resolved his issue offline (there was a design issue on his baseboard that is now corrected).
You're take on the description above is correct. As long as the SPI1 data and clock lines are not in content... - EB 11:34 AM PCB Development: RE: MityDSP-L138F Failure to Boot
- Mike -
This is the same issue I am having on the 1808F board.
It boots reliably on your carrier, but not mine.
I thought it was the socket and had it solved, but the issue persists.
I do have a device on I2C0 at address 0x2E.
Ar...
10/31/2012
- BC 02:41 PM Software Development: RE: Databases for the MityDSP
- That's at least one of my problems.
Thanks, I'll head to the other forum! - MW 12:43 PM Software Development: RE: Databases for the MityDSP
- Oh... Are you by chance using a MityARM-3359? If so, you should probably post in the "ARM Cortex-A8 Based Platforms Forums":http://support.criticallink.com/redmine/projects/armc8-platforms/boards. This forum is really for MityDSP-L138 ...
- BC 12:34 PM Software Development: RE: Databases for the MityDSP
- We are using the linux version installed on the SD card that came with the development kit.
It shows Linux version 3.1.0. - MW 07:24 AM Software Development: RE: Databases for the MityDSP
- Hi Brian,
Are you using the factory installed version of linux (2.6.xx) and filesystem booting from NAND, or one of the reference filesystems from our "board support packages":http://support.criticallink.com/redmine/projects/arm9-plat... - JP 09:34 AM Software Development: RE: Remote Debugging Hello DSP
We have debugged the ARM remotely while running a DSPlink application. We have debugged the ARM at the same time as debugging the DSP.
The error code 0x80008009 is listed in the file dsplink_linux_1_65_03/dsplink/gpp/inc/usr/errbas...- MW 07:41 AM Software Development: RE: DSP Link example not working
- Hello,
What version of the kernel and filesystem are you using? The one delivered from factory (loading from NOR and filesystem off NAND?)? Or are you using one of the more recent "Board Support Packages":http://support.criticallink... - MC 07:30 AM FPGA Development: RE: SPI Core on FPGA: Implementation on MityDSP-L138F
- Thank you very much Micheal!!
I will try to implement this in these next days and I will give you feedback about it.
Best Regards,
Michele - MW 07:16 AM FPGA Development: RE: SPI Core on FPGA: Implementation on MityDSP-L138F
- 1. The SPI_Iface is designed to support using our IP on an FPGA that is remoted from the module and connected only though a SPI bus instead of the EMIFA bus. It effectively replaces the EMIFA_Iface.vhd. You shouldn't need to use the SP...
- MC 06:02 AM FPGA Development: RE: SPI Core on FPGA: Implementation on MityDSP-L138F
- Sorry for the previous question, now I have understood better the core implementation of SPI core, and my previous question was nonsense.. sorry..
I noticed that you have included in the MDK release of August the proper code to link F...
10/30/2012
- Hello,
I'm working on getting a small web server up and running on a L138 and need a database to get things rolling.
I noticed that the Linux image the dev board shipped with has Sqlite3 but I've not been able to figure out how to ... - BD 11:10 AM Software Development: RE: USB device speed issue when using USB Ethernet gadget driver
- Hello François,
Based on your description, it looks like a problem with that particular USB host.
I have not seen that problem here, but problems with the kernel's usb speed negotiation are possible if there's a problem with the h... - Hi,
I recompiled the kernel and I activated the Ethernet gadget driver. Everything runs fine except one thing: with one of my linux computer, the device is recognized as a USB full-speed device (12 Mbits/s) instead of high-speed devic...
10/29/2012
- MF 01:15 PM Software Development: RE: Remote Debugging Hello DSP
- I'm trying to debug the ARM application from CCSv5 running on Linux with GNU toolchain supplied with MDK_08-10-12.
- MW 01:11 PM Software Development: RE: Remote Debugging Hello DSP
- Are you trying to debug the DSP application or the ARM application?
There is an initialization sequence that has to happen during the application startup. I don't think we've had trouble connecting the ARM side.
You might try post... - I am having trouble remote debugging the Hello DSP application. I can run it from the target login shell just fine. If I try to debug using CCSv5 (version 5.2 ... just downloaded that), I see the following in the remote shell console:
... - MF 01:08 PM Software Development: RE: Permanent increasing of CPU-Clock
- I don't know if this is the "best" way, but this works and you don't have to rebuild the kernel.
Create a script file located in /etc/init.d called "cpuscript" (or whatever you want to call it).
Paste the following lines to the file:... - CR 05:48 AM Software Development: RE: Permanent increasing of CPU-Clock
- Hi Mike,
I set the CPUFreq governor in the kernel to performance:
CPU Power Management->CPU Frequency scaling->Default CPUFreq governor (performance)
But the CPU clock is still at 300 MHz. Attached my actual kernel-config fil...
10/27/2012
- KV 07:13 PM Software Development: RE: Ethernet over usb
- Generated a new kernel as per instructions. The meuconfig and make uImage were uneventful - normal. The kernel version is 3.2.0, It was flashed on to to the board.
However the ethernet gadget is missing. Copied g_ether.ko from the hos... - I were able to follow the DSP Hello World tutorial succesfull until the point when i had to execute the program on the omapL138.
I always get this error:
./HelloWorldDSP: /usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.14' not found (... - MW 08:16 AM Software Development: RE: Permanent increasing of CPU-Clock
- Hi Christian,
By default the kernel always comes up at 300 MHz for the CPU. Most folks create an init script to boost Commercial grade parts to 456 MHz if they require it and compile in user space frequency governors.
For linux, t... - I know that, there is already a post in this forum which includes exactly my question below, but no answer on this until now.
I want to increase the cpu clock on arm-side from 300 MHz to 456 MHz, permanently.
Does a increasing lik...
10/26/2012
- KV 07:55 PM Software Development: RE: Ethernet over usb
- Built the uImage, downloaded, and boot.
It does nor complete boot process. It hangs
In the configuration, the only change was adding usb gadget for ethernet.
Took the defaults for make.
How Do I diagnose the problem?
Krishna
... - MW 07:23 PM Software Development: RE: Ethernet over usb
- Hi Krishna,
I would recommend using an NFS mount or TFTP server for loading up a new kernel and/or filesystem.
See "boot from an NFS server" on this page:
http://support.criticallink.com/redmine/projects/arm9-platforms/wiki/Linu... - KV 05:17 PM Software Development: RE: Ethernet over usb
- The kernel version on the board is 2.6.34rc1:
root@mityomapl138:/# uname -r
2.6.34-rc1
The USB gadgets are available on 3.2 kernels or later.
I used the version linux-davinci-b0045c9.
Does it mean the booard has to be reflashe...
10/25/2012
- TI 10:09 PM Software Development: RE: Ethernet over usb
- That error typically means you are trying to load a module built against a different version of the kernel.
Verify that the module was built against the same version of kernel you are running.
cheers
/Tim - KV 08:38 PM Software Development: RE: Ethernet over usb
- was able to download kernel v3.2. from the mitydsp site.
Was able to generate the usb gadget, when the usb gadget was selected, it put out a message that it will be generated as a module.
defaults were chosen for all other options.
... - MW 04:22 PM Software Development: RE: Ethernet over usb
- You need to checkout the mitydsp-linux-v3.2 branch. (the master branch is the older branch).
- KV 03:08 PM Software Development: RE: Ethernet over usb
- Downloaded the latest Linux-DaVinci v fce1b66 from Critical Link website. The kernel is n2.26.32, not version 3.2.
How Do I get the v3,2 kernel from your web site ? Do I get the generice v3.2 from source forge etc. ?
Krishna - KV 03:08 PM Software Development: RE: Ethernet over usb
- Downloaded the latest Linux-DaVinci v fce1b66 from Critical Link website. The kernel is n2.26.32, not version 3.2.
How Do I get the v3,2 kernel from your web site ? Do I get the generice v3.2 from source forge etc. ?
Krishna - MW 12:52 PM Software Development: RE: Ethernet over usb
- If you have the latest version of the kernel, then do a
- KV 12:48 PM Software Development: RE: Ethernet over usb
- Followed ths teps in the above document. The gadget options under usb are missing. attached is a screen shot.
Cannot generate the gadget if the option is are not availbale. Downloaded the latest version of mitydsp kernel. - SW 08:37 AM PCB Development: RE: SATA board connector
- I was looking for something with the same footprint. We have your demo board that we are using in our fixture and I was hoping we could swap out the current connector for a latching one. I had seen those molex connectors and it does no...
- MW 08:11 AM PCB Development: RE: SATA board connector
- Hi Scott,
Not offhand? Do you require footprint compatible? A quick search on digikey shows there are latching SATA connectors our there.... Something like:
http://www.digikey.com/product-detail/en/67926-0001/WM19024-ND/711506
... - CO 08:34 AM Software Development: RE: Starter Guide: Cannot build application with eclipse
- Sure thing Tim!
I should also point out that on the recent VM images, both toolchains are present. You may be constrained to use the older toolchain when compiling programs (NOT the kernel!) for the module as shipped; using the newer ...
10/24/2012
- TI 11:17 AM Software Development: RE: Starter Guide: Cannot build application with eclipse
- Conor
Thanks for jumping in! Critical Link appreciates users on the forum sharing their knowledge... its what makes the forums work at peak efficiency!
Mads-l
If you still have any issues, please let us know.
cheers
/Tim - CO 10:54 AM Software Development: RE: Starter Guide: Cannot build application with eclipse
- Sorry for the drive by answer - hope Critical Link don't mind (I'm not an employee).
There are a few missing bits which other documents fill in. Plus the toolchain changed.
From the command line, you need to set up the environment ... - Hi,
Having unpacked the AM-1808 eval kit, and installed the virtual ubuntu mchine in virtualbox, I experience problems when trying to follow the starter guide for a quick intro.
* First, testing the toolchain failed. Although I fou...
10/23/2012
- Hello, We have an application where we are storing data to a SATA drive from our L138. We are in an environment with some vibration and sometimes a bit of a mechanical shock and I am worried about the lack of a latch on the SATA connect...
- SW 04:36 PM PCB Development: RE: uPP and Boot signal muxing (Posted on behalf of a Customer)
- Angela,
I am using uPP to the arm. What I did was map the pin mux registers in a linux module driver and after bootup load the module which muxed the uPP. I have no idea why you wouldn't be able to mux the pins correctly in the kernel...
10/19/2012
- MW 07:12 PM PCB Development: RE: Boot Pins? (Posted on behalf of a customer.)
- Are you using just the MityDSP-L138, or the MityDSP-L138F.
Both modules currently include pull-up/pull-down resistors (2K, I believe) on the SOM. So the unit should boot OK as long as you leave the boot pins connected to high imped... - MW 07:05 PM PCB Development: RE: FPGA Pinouts ... documentation error??
- Hi,
In the data sheet as well as the design guide, the DDR3 edge connector pin naming scheme did not map the "pair number" of the BX_YY_P.ZZ or BX_YY_N.ZZ name (where X is bank number, YY is essentially an arbitrary pair number, and Z... - (posted for a customer)
I have purchased one of your MityDsp Development kits to use as a reference platform for a base board design. Things are moving along really nice, at least until I started trying to reconcile Xilinx document... - Our site was hit with an email spamming robot this morning and we were unable to kill it immediately.
We have altered some of our security policies in order to reduce (hopefully, eliminate) future attacks.
Please accept our apologi... - MW 07:35 AM Software Development: RE: uPP support
- Hi Brian,
Sorry about the spam this on this thread morning. We've changed our account activation policy to require manual account approval to avoid this sort of thing in the future.
Please accept our apologies.
-Mike
10/18/2012
- TI 09:51 PM Software Development: RE: Ethernet over usb
- USB gadgets are built as modules.
Here's a link to a TI page on building the usb ethernet gadget module
http://processors.wiki.ti.com/index.php/UsbConfigDevRNDIS
cheers
/Tim - Am using MityDSP L138F board.
Ethernet over USB driver is missing from your distribution.
It is supposed to be included in ubuntu distribution by default.
g_ether.ko is missing.
Would appreciate if you can you send me a new kernel wi... - MW 05:21 PM PCB Development: RE: DVI Output with MityDSP-L138F w/6SLX45 FPGAs
- Wade,
Yes. The LX45 models cannot use the DVI interface as provided on the Industrial I/O boards.
The Industrial I/O board was developed prior to the LX45 SOM offerings came into existence, and because of the bonding issues with t... - Based on the datasheet, models of the MityDSP-L138F SOM that have the 6SLX45 FPGA installed (L138-FI-225-RC, L138-DI-225-RI, and L138-FI-236-RL) have no connects on pins 154, 156, 158, 160, 162, 164, 170, and 172. Since some of these pin...