Activity
From 03/09/2017 to 04/07/2017
04/06/2017
- AB 03:04 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Does BUSY led mean something on factory new board?
- Thank you for confirming the part markings on the OMAP-L138 processor. Best I can tell mean this is likely not a secure boot enabled processor. Unfortunately I could not find a document from TI that covers the package markings enough to ...
- JD 11:20 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Does BUSY led mean something on factory new board?
- I have got OMAPL138EZWT64ALVIW GI D450 527 ZWT
04/05/2017
- FT 03:18 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: eMMC support
- Thanks guys for information
- AB 02:02 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Does BUSY led mean something on factory new board?
- Unfortunately we need more clarification on the part number of the processor that was installed. The "B" would presumably be in reference to the revision field (Rev 2.0 or 2.1) and an "E" for that field would be Rev 2.3. However the "Sec...
- MW 11:05 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Does BUSY led mean something on factory new board?
- Is the "E" chip the secure boot option? That would explain why it was not booting up.
- JD 06:52 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Does BUSY led mean something on factory new board?
- > Additionally any history about the modules prior operation/history would be helpful
We had to replace OMAPL138*B* to L138*E*. We were sure that they compatible, but what is your opinion? Is the problem connected with poor soldering ... - JD 06:36 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Does BUSY led mean something on factory new board?
- > The "BUSY" LED is tied to the FPGA DOUT_BUSY signal which during initial boot into UBoot should not be lit under normal operation. Even when programmed the BUSY LED is typically not utilized unless programmed to do so in the FPGA.
A... - AB 01:51 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: FPGA pins in Mity DSP L138F
- Shalini,
You can find the mapping of MityDSP-L138F pins from the Edge Connector to the specific balls on both the OMAP-L138 processor and Xilinx Spartan 6 FPGA from the module datasheet (http://www.criticallink.com/wp-content/uploads/... - Hello,
I have been referring to the schematic showing various components in mity DSP L138F. The referred PDF is attached. The bank 0 and bank 1 pins in FPGA are shown in page1. The names given to the FPGA pins are the ones correspondi...
04/04/2017
- EM 08:58 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Trying to cross compile libsodium.
- These instructions worked for me. Thanks.
- JC 08:32 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Trying to cross compile libsodium.
- Edwin McKay wrote:
> ok that looks so easy. Thanks for the details. So you did not use the Code Composer Studio at all. I will try this and also try some of these settings in CCS, but if that fails, then just use the command prompt meth... - EM 08:29 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Trying to cross compile libsodium.
- ok that looks so easy. Thanks for the details. So you did not use the Code Composer Studio at all. I will try this and also try some of these settings in CCS, but if that fails, then just use the command prompt method.
$ export LDFLAG... - JC 02:52 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Trying to cross compile libsodium.
- https://download.libsodium.org/doc/installation/
I tried cross compiling and was able to build the library. - EM 02:36 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Trying to cross compile libsodium.
- https://github.com/jedisct1/libsodium/releases is the source location.
I created the CCS project as shown in the "startup" wiki for the MityDSP.
In C/C++ Build - Discovery Options - Cross G++ Compiler - Compiler invocation command I... - JC 02:03 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Trying to cross compile libsodium.
- I'm not familiar with libsodium. Could you provide a link to the source your building? How you are trying to build it? The full build output attached in a text file. Anything else you think will be helpful.
Which toolchain are you u... - AB 07:21 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Does BUSY led mean something on factory new board?
- Jacek,
Sorry to hear that you're having an issue with one of the modules.
Can you please provide the serial number of the module which is located on a label on the back/bottom side of the module and is 8 numeric characters in leng... - I have got two modules.
One is working, booting, printing stuff on terminal. BUSY led is OFF.
One is not working. Doesn't booting, doesn't printing and doesn't rescue using sfh_ubl. BUSY led is ON.
Does BUSY led mean somethin... - GG 06:27 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: eMMC support
- Hi Francois,
I'm on the project Jon mentioned that is currently using eMMC with the MityDSP-L138F.
In addition to Jon's notes here are some details to consider:
* The 3.2 kernel for the L138 only supports the 4-bit data interf...
04/01/2017
- I am trying to compile the crypto library libsodium for use in the mitydsp. I created a project using the instructions for the starter c++ project. I am running into an issue with the assembly files. I believe that the contents of the fi...
03/31/2017
- JC 04:17 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: eMMC support
- François Tremblay wrote:
> Hi,
> ...
Yes, MMC0 can be used with an eMMC device. Do they plan to use all 8 data pins for the eMMC? What size eMMC devices are they looking for?
> Is the Linux Kernel provided in MDK support it?
Yes, th... - Hi,
We have our own baseboard on which we plug a MITYDSP-L138F.
We are using a micro SD card on our baseboard for logging purpose.
Now, we have a customer who will use that reference design but want to replace the micro SD card ...
03/29/2017
- JC 10:14 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Downloading files from Redmine (using Linux console app)
- With the redmine update you now have to deal with the csrf token in order to login. So I created the attached bash file.
Unfortunately after I wrote this I found an easier way.
03/23/2017
- JA 04:14 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Serial communication (UART) through MitySOM-1810F PROFIBUS
- Hello, Good Day
Thanks for your answer it is so useful, I am going to try step by step in order to achieve the serial communication (UART).
Thanks for your time.
Alex
03/22/2017
- JC 09:21 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Serial communication (UART) through MitySOM-1810F PROFIBUS
- I copied some of this information into a new wiki page. https://support.criticallink.com/redmine/projects/arm9-platforms/wiki/UART_configuration
- JC 08:30 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Serial communication (UART) through MitySOM-1810F PROFIBUS
- Jesus Alejandro Alvarez Trejo wrote:
> Hello, Good day
> ...
UART communication in linux is done by read/writing to the /dev/tty* files. There are many examples about how to do this using std c. Here are a few examples.
https://stac... - Hello, Good day
I am beginner working with the MitySOM-1810F PROFIBUS Development kit. I would like to use the UART communication to share information with an external device, I know the UART0 is used to send information through the con...
03/21/2017
- DV 07:21 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
- Im thinking it's related to the preloader. The preloader is the one who does all the pin muxing for the HPS peripherals (including muxing any of these interfaces to the FPGA). If any HPS peripheral or any of the bridges between HPS and F...
- JK 07:06 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
- Hello Dan,
When re-building an SD card image using my kernel (uImage), the DTB you attached, and the FPGA image (.rbf), U Boot image, and preloader image you attached, I am able to see data in the receive buffer.
That suggests to m... - DV 04:19 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
- I've attached my preloader/uboot/fpga image.
I've also attached the spi_test c++ code I was working with, I've removed the chrono's part because I was having issues with getting to build with my toolchain (I'm not sure if it supports ... - JK 03:00 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
- Hello Dan,
I replaced the uImage on my SD card (at /boot) with the uImage I sent you (to ensure it's the same as what you tested), and replaced the DTB with the DTB you attached (also in /boot).
I rebooted the card and ran the C++ ... - DV 02:07 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
- I've tried your kernel and the RX buffer is still working. I couldn't get uboot to actually boot your device-tree, I try rebuilding it and that didn't work either.
I've attached the dts/dtb I'm using.
Dan - DV 12:29 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
- I've tried it with our 3.16 kernel and Altera's 4.1.22 and 4.1.22 RT kernel. All get data on the RX side. I'll try your kernel and device tree this morning and get back to you.
Dan - JK 12:26 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
- Hello Dan,
I've attached the requested files (Linux 4.1.22 LTSI RT branch compiled into "uImage" with defconfig "socfpga_mitysom5csx_custom_defconfig", and the device tree binary and source files).
That you were able to get the exp... - DV 12:41 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
- Hi Jared,
Unluckily I wasn't able to recreate the issue you are seeing. My RX buffer has the expected 0x8330 instead of 0x0000 after running. Would you mind posting the following: uImage, DTB, and DTS?
I'll try to run with your uIm...
03/20/2017
- DV 07:53 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
- Hi Jared,
I'm in the middle of recreating your test with one of our dev kits. I'll connect up the MOSI to the MISO in the FPGA and run your test app. I'll let you know what I see, should be by end of day. I'll look into the RX issue f...
03/16/2017
- NS 08:10 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: yocto meta-mitysom-335x no recipes and files.
- Hi Bob,
thank you for this explanations and for pushing the daisy branch.
I will wait the release for the layer MitySOM-335x if I can't use succeed to create my own build environment with the layers of the daisy branch.
03/15/2017
- BD 06:51 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: yocto meta-mitysom-335x no recipes and files.
- Hi Niko,
We are in the process of releasing the associated files for our MitySOM-335x Yocto MDK build (we should have everything completed by the end of the month). In the interest of helping you, I have pushed the daisy branch to th... - I have the MitySOM-335x Development Kit and I would like to create a custom linux system.
I search on your website if there is some layers which can be used with yocto and I found the "meta-mitysom-335x" layer (this is the link where I ... - JK 01:47 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
- Hello Mike,
I modified the SPI device tree entry to have an "spi-max-frequency" of 1 MHz (a slow clock speed, as you suggested, to get started).
I kept the FPGA image in which we connected MOSI to MISO (rather than using the "loop ...
03/14/2017
- JK 12:44 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
- Hello Mike,
I just saw this message, and will try it out first thing tomorrow. Unfortunately, a snow storm is preventing me from being in the office to try this out today.
Thanks,
Jared
03/13/2017
- MW 05:20 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
- Here is some example code from the linux kernel documentation area.
BTW: our FPGA driver and the SPI HPS "hardcore" have a built in loopback mode, so you don't need to physically rewire the FPGA at the top level.
Can you run thi... - I found a problem reading the HPS gpio in uboot.
E.g
03/10/2017
- JK 05:34 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
- Hello Mike,
We've since conducted a loopback test (MOSI connected to MISO within the FPGA) and observed no change in behavior (still an empty receive buffer). The SCLK and CS lines are still behaving as expected as measured by an osci...
03/09/2017
- JK 08:28 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
- Are you referring to modifying the FPGA such that MOSI is connected to MISO?
If that works, it might indicate that somehow our MISO signal isn't hooked up correctly in the FPGA (which I'd be surprised by due to another test described ... - MW 06:43 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
- Have you tried using the Loopback option to see if you can just loop back the command data and if RX is OK?
-Mike