Activity
From 04/15/2012 to 05/14/2012
05/11/2012
- RV 12:23 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Connecting JTAG to Mityarm board
- Hi Mike,
Yes, I am connecting to MityARM-3359 and not on TI eval board.
So i want to know what .gel file i need to select while configuring?
Is my sysboot options are correct as configuring XIP or any other configuration require... - MW 10:43 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Connecting JTAG to Mityarm board
- Hi Raja,
Were you successful when you tried connecting the JTAG to the TI eval board?
I am assuming you are connecting to a MityARM-3359?
-Mike - Hi,
I have tried connecting JTAG XDS100V2 to the Mityarm evaluation board. Changed the boot options to give first boot option as XIP.
While configuring Code Composer CCS5.1 and target configuration section, which .gel file i need t...
05/09/2012
- EB 04:22 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Starterware EMIFA to FPGA example code
- Hi Mike,
In the case of 32 bit transfers as described above -
Can you tell me which 16-bit value is transferred first?
I need to make VHDL to pass all 32 bits on the same clock edge to other 32-bit IP in my FPGA design.
In other...
05/08/2012
- MW 04:55 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Programming the FPGA
- Appreciate the feedback on the wiki page. I've updated it per your comments.
-Mike
- TE 04:40 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Programming the FPGA
- Thanks! That worked. An even better solution than the bootfpga solution.
I was basing what I did on the wiki page for Programming the FPGA (http://support.criticallink.com/redmine/projects/arm9-platforms/wiki/Programming_the_FPGA). ... - MW 03:03 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Programming the FPGA
- Hi Tim / Emmett,
Did you remember to saveenv? (just checking)
A couple of things:
You might want to avoid using the "bootfpga" environment variable. We've had a couple of customers manage to brick their system by programming v... - TE 02:15 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: Programming the FPGA
- Emmett and I were able to get the DONE LED by calling loadfpga after the loadb 0xc0700000. The problem is that when we setup the bootfpga environment variable, it doesn't work.
I am calling the following:
loadb 0xc0700000 ->this ini... - I have read both forum entries of the same name.
The first one seems to be most applicable, since I have the MityARM-1808F with the LX16 FPGA.
I followed the instructions from the first post, which was difficult in iMPACT.
The trick...
05/07/2012
- AS 12:01 PM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: Power Management w/ MityARM
- Mike,
Thanks for your response, it is really helpful to know how the PMIC is connected. I posted a question about how the tsp65910 Linux driver handles interrupts on the TI E2E forums and got a response from TI:
http://e2e.ti.com/su... - MW 11:06 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: Reg. JTAG Reset and SD Card connection
- Hi Salam,
Thanks for the comments.
1. There is a 10K pull down on the JTAG Reset line so that the JTAG interface is held in reset in the absence of a JTAG emulator connection. The emulator should pull the signal high when it is co...
Hi,
As per the Mity carrier board design
1, the NRST of JTAG connector is permanently low,that means it is always in reset mode
Pls confirm.
2.No Pull-up resistor in SD Data lines and CMD line, Please confirm this also....
05/04/2012
- RV 03:50 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Hi Mike,
Thanks for the information.
I will check on the details provided by you.
Regards,
Raja. - MW 03:37 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Can you post your source code for the I2CTest (including the value of addr) and provide a specification to the device you are communicating with (part number, etc)? You are sending a buffer size of 5 down, are the remaining 3 bytes supp...
- RV 03:18 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Hi Mike,
Thanks for your response.
I am using I2C1 and using from application as /dev/i2C-2. This change of pin mux is only for my testing. In the final board we will be using the same pin mux used in the evaluation board. We are n...
05/03/2012
- MW 04:22 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Hi Raja,
Can you please post the full command lines for your output?
There are actually 3 I2C buses in play.
I2C0 is connected to ADS1000 (address 0x48) and port J700 on the DevKit Host board. It shows up as /dev/i2c-1 and is a... - RV 03:55 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Hi Tim,
Thanks for the reply.
Even my understanding is almost similar. But earlier I have tried with out connecting slave. Now I have connected the slave and still the error number is same and not able to write data to I2C. But ope... - TI 01:34 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Raja
You can use the i2c utilties to test the bus. The output below is from scanning both I2C buses.
@root@mityarm-335x:~# i2cdetect -y -a -r 1
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: -- -- -- -- -- -- -- -- -- -- --... - RV 12:00 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Hi Tim,
Gentle reminder about the above response.
Could you please let me know how to go ahead.
Regards,
Raja.
05/02/2012
- RV 02:52 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Hi Tim,
In Mity arm board I2C1 is configured on mii1_crs. pin and in Am335x based board same I2c1 is on spi0_d1 pin. I just want to know whether i can change to uart pin mux and probe on expansion connector.
this is to make sure tha... - TI 02:37 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Raja
The EREMOTEIO error comes from drivers/i2c/busses/i2c-omap.c and is because there is no Ack from
bus request.
Unless I misunderstand what you are doing, I don't think you can just change the pin muxing around.
The pin muxing is ... - RV 02:35 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Sorry i missed to mention file name details.
filename = /dev/i2c-2. - RV 02:27 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Usage of I2C1 to connect external peripheral
- Hi,
Code i have used to access is mentioned below:
fd = open(filename, O_RDWR);
ioctl(fd, I2C_SLAVE, addr);
err = write(fd, buf, 5);
Open and ioctl with I2C slave are success. But write gives an error and the error number is:... - Hi,
I am trying to use the I2C1 to communicate to the slave.
To probe the signals on Mity board, i am planning to change the pin mux for I2C1 from
mii1_crs.i2c1_sda to uart0_ctsn.i2c1_sda, similarly for scl in file board-mityarm3... - MW 07:46 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: uPP/DMA registers
- We have demonstrated capturing as high as 100 MB/sec using UPP in 180 MB blocks without issue. So it's feasible. If you are using the LCDC controller, make sure it gets the highest bus master priority (and use some fifo'ing in your FPG...
- SM 03:10 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: uPP/DMA registers
- @Mike
Thanks for the detailed answer. We are only using the AM1808 as an embedded video server for the stream coming from the FPGA, so I cannot comment on the AM1808's H.264 decoding capabilities. But we have used the AM1808 to stream...
04/30/2012
- SW 10:12 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: uPP/DMA registers
- Shahzad, I have not found uPP drivers for the ARM in linux. My suggestion in developing them is to read the TI uPP manual, get it working in loopback mode and them transition that to you application. Be sure you set the pin mux for th...
- MW 07:48 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: Power Management w/ MityARM
- Hi Ali,
Sorry for the delay in response, you have a lot of questions wrapped up in these two posts, and we haven't gone through all the power management states here (we've been focused on basic interface functionality up until now, th...
04/29/2012
- MW 06:25 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: TI C6EZAccel library with MityDSP Platform - OmapL138
- Hi Michele,
If you would like to use the full TI DVSDK (including C6EZAccel), you can install it from TI (along with the Code Sourcery tool chain). You can use TI's libraries and filesystems, etc. The only thing you will need to do ... - Dear Sirs,
does anybody there managed to install and use the C6EZAccel library for the OMAPL138 processor, using the MityDSPL138F carrier board?
It's said to be a library that can abstract Signal Processing libraries of the C647 DSP ...
04/28/2012
- MW 10:19 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: uPP/DMA registers
- If you are not using the on-Board NAND in your design (e.g., booting to a RAMDISK or off of MMC or something), then the EMIFA would probably work. Though, you may still have to roll up a kernel module/driver to fetch the data (I would r...
- SM 09:52 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: uPP/DMA registers
- Hi Mike,
Thanks for the prompt reply. Actually the data stream is from an H.264 encoder in an FPGA, so im not sure if VPIF would be helpful here. Thats why I was looking for a uPP driver. The other option seems to be the EMIFA interfa... - MW 08:18 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: uPP/DMA registers
- Hello Shahzad,
Unfortunately, there is still no UPP driver available. Have you looked at pushing the data in using the VPIF? Supposedly, there has been some work done by TI to push a couple of different modes of camera data using th... - SM 04:11 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: uPP/DMA registers
- Hi Mike,
I am looking for a uPP driver for linux and I was searching around when I came across this thread. I know im replying to a very old thread, but I noticed that you mentioned that critical link does not have a uPP driver yet. F...
04/27/2012
- AS 11:57 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: Power Management w/ MityARM
- Sure enough after posting this I found the User's Guide for using TPS65910 with AM335x:
http://www.ti.com/lit/pdf/swcu093
Can I assume that this is how the PMIC is hooked up on the MityARM?
If so this is how I understand the PM sy...
04/26/2012
- RV 06:08 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: PIN mux details and modifications
- I have tested these pins too
can_pin_mux[] = {
{"uart1_rxd.gpio0_14", AM33XX_PIN_OUTPUT},
{"uart1_txd.gpio0_15", AM33XX_PIN_OUTPUT},
{"mii1_txd3.gpio0_16", AM33XX_PIN_OUTPUT},
{"mii1_txd2.gpio0_17", AM33XX_PIN_OUTPUT},
same... - MW 05:46 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: PIN mux details and modifications
- Hi.
In your log file, you show modification of gpio 100.
The gpio offset on the linux command line needs to be
GPIO = bank*32+offset
that corresponds to gpio3_4. I don't see that anywhere in your mux files.
Also, you nee... - RV 05:29 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: PIN mux details and modifications
- Hi,
But i have changed the can_pin_mux and LCD_Data0 pins aswell. but even those are also not working. I have attached the mux335x file for your reference.
Please let me know anything can be done. I will post to TI based on your in... - MW 05:21 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: PIN mux details and modifications
- Hi. OK.
From your log file, there is an error:
[ 0.079700] _omap_mux_get_by_name: Could not find signal lcd_data11.gpio0_8
This means that the pinmux setting for this pin you are trying to use as a GPIO is not properly defin... - RV 04:36 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: PIN mux details and modifications
- Log file.
- MW 04:25 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: PIN mux details and modifications
- Hi Raja,
Can you also post your boot up text (dmesg)? I just want to check for any boot / pinmux error messages if you haven't already done so.
-Mike
- RV 04:08 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: PIN mux details and modifications
- Attached the baseboard file for your refence.
Wanted to configure LCD_DATA pin to be configured as GPIO.
Thanks. - MW 03:49 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: PIN mux details and modifications
- Not yet (kind of bandwidth constrained, sorry).
You might try posting to the E2E site on TI's support site:
http://e2e.ti.com
This shouldn't be specific to the CL SOM, this is more of a basic AM335x question.
I will try to... - RV 03:44 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: PIN mux details and modifications
- Hi,
Do you have any updates for me regarding my approach on pinmux?
Thanks. - Hey,
We're trying to figure out how to utilized MityARM's power management capabilities in our design and this is hard to do without knowing how the AM3359<->PMIC connections operate. I've scoured the datasheets/design guides for TPS... - KF 12:21 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: FS Corruption due to dropping power
- Hi Mike,
Thanks for the reply. This is reasuring that it is a FS corruption problem. I have instigated a read only file system, based on your notes, and its seems to work, as in everything is mounted read only, and the application st...
04/25/2012
- MW 03:27 PM MityDSP (TI TMS320C6xxx Based Products) FPGA Development: RE: JTAG adapter cable question
- Hi Bob,
We don't offer those through our distributors directly at the moment, they are only part of the Devkit BOMS. If you contact Tom Catalino (tom.catalino@criticallink.com) or Bill Halpin (bhalpin@criticallink.com) they can provi... - Where can I buy the adapter cable which goes from the MityDSP-Pro JTAG connector to the TI Debugger?
This is a 14-pin to 16-pin adapter with a cable and small circuit board.
I have one that came with the MDSP-Pro Development Kit, but I... - RV 01:27 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: PIN mux details and modifications
- Hi,
Thanks for your quick response.
I have tried the same by configuring LCD_data0 pin to GPIO. as lcd_data11.gpio0_8 as AM33xx_PIN_OUTPUT and added to MUXENTRY of the same pin in mux33xx.c file. Not able to find the file mux335x.c... - MW 01:08 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: PIN mux details and modifications
- Hi,
So there are 3 steps to configuring a GPIO.
1) modify the baseboard file and ensure your issuing a pin mux configuration.
2) make sure the pin mux option is defined int he mux335x file (TI didn't complete the definitions, so m... - RV 12:57 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: PIN mux details and modifications
- Hi Mike,
To change the mux details i have defined the basic pin details to GPIO and added GPIO pin details to mux335x.c file.
I tried pins of CAN1, LCD_DATA and tried to probe on connector J401 for LCD but could not get the value w... - MW 12:57 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Starterware EMIFA to FPGA example code
- Hi Emmett,
Are you using linux or starterware? On starterware, if you are launching from u-Boot (which configures the EMIFA to have some nominal timings for CS5 space), then all you need to do is perform memory read or writes to 0x66... - Hello,
I have used your "EMIFA_iface" VHDL example to make a simple FPGA to test by reading/writing to registers routed to the expansion I/O on the base board.
I need example C code to make the EMIFA transfers.
In the Starterware, I...
04/23/2012
- RV 04:40 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: PIN mux details and modifications
- Hi Mike,
Thanks for the information.
what are all the modifications we have to do if our board doesnot have any external pull up/down resisters?
Changing Mux details in baseboard_XX.c file seems not working for LCD_data pin to G...
04/20/2012
- MW 10:44 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Test application for drivers
- For a linux system, GPIOs can be driven using sysfs via command line to modify the pins via the "gpiolib":http://www.mjmwired.net/kernel/Documentation/gpio.txt if the kernel has configured the pinmux settings for them to be associated to...
- Hi,
Do you have any test application to test the drivers such as GPIO and UART? Could you please share them?
Regards,
Raja. - MW 10:38 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: PIN mux details and modifications
- Are you using linux as your target OS? If you, you will need to update the pinmux settings in your baseboard-XXXX.c file in the kernel for the pins in question. You probably don't need to change u-Boot for these pins if you use externa...
- Hi,
I have to use more GPIOs in our design. I am thinking of using the pins assigned for CAN0 and CAN1 in Mityarm as GPIO.
Do i have to change the pin mux configuration if so do i have to use any utility for that?
u-boot needs t...
04/19/2012
- MW 03:50 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Is RMII possible with the MityARM-3359?
- Yes,
It should be supported if you configure the pinmux accordingly. You will need to modify u-Boot in order to use the network in this configuration, as well as the kernel.
-Mike
- (posted on behalf of a customer)
Is RMII possible with the MityARM-3359? I didn’t see some on the alternate functions listed in Critical Links documentation but it exist in TI’s.
(whoops, posted to the wrong forum, can't seem to m... - MW 03:31 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Is there a linux driver for RMII or just RGMII for the MityARM-3359
- We've only tried to use the RGMII port here. I'm fairly certain that RMII is supported, but you should contact TI on the "TI E2E site":http://e2e.ti.com to learn the details as to how to use the EMAC in this mode and configure it up.
... - Is there a linux driver for RMII or just RGMII?
- TI 02:54 PM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: ADC reference voltage data required
- salam
The TI datasheet for the AM3359 [ http://www.ti.com/lit/ds/symlink/am3359.pdf ] recommends 1.8V for the ADC circuit. The max is 2.1.
I don't think I'd recommend using 3.3 for VREFP.
cheers
/Tim - Hi,
`A 3.3 V and 1.8 V are connected to the ADC reference voltage in your carrier board reference design, Can i connect 3.3 V to the ADC Ref.
Plz confirm?
regards
salam
04/18/2012
- MW 02:37 PM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: Is a separate I2C EEPROM needed to ID our Carrier board?
- Yes,
You should be defining your own baseboard-***.c file if you are making a custom board using the baseboard-mityarm335x-devkit.c as a reference.
-Mike
- AS 11:46 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: Is a separate I2C EEPROM needed to ID our Carrier board?
- Hey Mike, that helps a lot. One reason I was asking about the EEPROM because we plan to cable a 24-bit LCD/touchscreen into our carrier board and based on the ULCD7 code it seemed like they were relying on the EEPROM to detect the LCD/t...
- MW 08:06 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: Is a separate I2C EEPROM needed to ID our Carrier board?
- Hi.
The TI SDK works with the MityARM-3359, but you need to replace "u-Boot":http://support.criticallink.com/redmine/projects/armc8-platforms/wiki/Das_U-Boot_Port and the "Kernel":http://support.criticallink.com/redmine/projects/armc8... - AS 12:00 PM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: SPI1 pin conflict:
- Michael Williamson wrote:
> The MityARM-335x module provides SPI1 SCLK, D0 and D1 on pins 193, 195, and 197 of the edge connector.
> ...
No problem, we will most likely boot off MMC. The PinMux utility associates Pin 193 with SPI1_SCL... - MW 08:19 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: SPI1 pin conflict:
- The MityARM-335x module provides SPI1 SCLK, D0 and D1 on pins 193, 195, and 197 of the edge connector.
On the module, these lines are connected to an on-board SPI NOR FLASH via SPI1_CS0 (Ball C12 on the 3359 package, not available on ...
04/17/2012
- (posted on behalf of a customer)
All the other AM3359 boards have this (ULCD, TI EVM, BeagleBone, etc.) and it looks like the EEPROM ID triggers companion code in the kernel. The EEPROM basically tells the kernel what hardware is con... - (posted on behalf of a customer)
MityDSP has dedicated pins 193, 195 and 197 to SPI1 because they connected it to an SPI NOR flash, however using either pins 195 or 197 Data with the 193 clock for SPI1 results in “IO Set violation” wa...
04/16/2012
- AS 02:42 PM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: Reg. ADC reference voltage
- a gentle reminder for the below question
regards
salam
04/15/2012
- MW 12:47 PM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: Specification TPS power sully design inthe AM3359 carrier board
- Hi Salam,
If you are asking if you can use our reference DevKit 3.3V supply design to power other 3.3V devices, then answer is likely "yes" assuming you are providing the same input voltage capabilities to the supply as are supplied o...