Mity CPU Platforms

06/27/2024

09:06 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Serial port 2 issue, RS485, RTS drops to early

Changing the timer is probably not in my best interest; my project supports down to 1200 baud with packets up to 256 ... Fred Weiser

06:12 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Serial port 2 issue, RS485, RTS drops to early

Here's the snip:... Fred Weiser

05:45 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Serial port 2 issue, RS485, RTS drops to early

Looks like wait_for_xmitr has a 10ms timeout, this might explain why the TXEN is enabled for a constant time. At low... Jonathan Cormier

04:19 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Serial port 2 issue, RS485, RTS drops to early

What does your pinmux look like for UART2? Jonathan Cormier

03:36 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Serial port 2 issue, RS485, RTS drops to early

Please see two attached scope traces; the second with a 7 character buffer, the first with a 16 character buffer. I w... Fred Weiser

02:31 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Serial port 2 issue, RS485, RTS drops to early

It looks like (in the 3.2 kernel anyway) the only serial port driver that supports the delay_rts_after_send option is... Tim Iskander

01:46 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Serial port 2 issue, RS485, RTS drops to early

Thanks for the ideas; I'm looking into the code cited above now; I don't have any new news there at this time.
Ho... Fred Weiser

01:05 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Serial port 2 issue, RS485, RTS drops to early

My suspicion is that the register read in wait_for_xmitr() is "lying" and the UART is actually still serializing the ... Tim Iskander

08:47 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS485 Direction Control on UART1

Seems like it could work. Good find. Jonathan Cormier

07:17 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS485 Direction Control on UART1

I did come across this application note from TI: https://www.ti.com/lit/ug/tidubw6/tidubw6.pdf?ts=1719509747706
(if ... Michael Bisbano

05:36 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: Error in u-boot. cyclone v 5CSEBA4U2317 SOM

Hi Daniel,
I had the tested the booting by the link which you have mentioned. It is working but getting an error ... Bhardwaj Kotha

08:21 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: Get URL from jenkins file

Hi,
We need to build the project from provided jenkins file, and further we are going to modify or add avalon in... Bhardwaj Kotha

06/26/2024

06:48 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: Get URL from jenkins file

Hello,
I believe the Jenkins file you are referring to was provided as a reference and contains internal links to ... Daniel Vincelette

05:31 PM MitySOM-5CSX Altera Cyclone V Software Development: Get URL from jenkins file

Hi,
we have an Jenkins file, but we are new to Jenkins and i am not able to get URL from the Jenkins file. Help m... Bhardwaj Kotha

06/25/2024

09:59 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Serial port 2 issue, RS485, RTS drops to early

The kernel driver code for RS485 support can be found here: https://support.criticallink.com/gitweb/?p=linux-davinci.... Jonathan Cormier

06:58 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Serial port 2 issue, RS485, RTS drops to early

Seems a "paste" didn't work as expected...
SER_RS485_USE_GPIO is the same as 1<<5 Fred Weiser

06:54 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: Serial port 2 issue, RS485, RTS drops to early

We are having a problem with serial port ttyS2 on our L138 SoM which I believe resides in the Linux driver or the TI ... Fred Weiser

04:33 PM MitySOM-AM57X Software Development: RE: Clock, Timer and Power Idle

Please note that the wiki page "Memory_Overview":https://support.criticallink.com/redmine/projects/mitysom_am57x/wiki... John Pruitt

02:01 PM MitySOM-5CSX Altera Cyclone V FPGA Development: RE: MitySOM-5csx custom board PL fabric ethernet access

Hello,
If you want to intergate the data inside the FPGA instead of having the HPS involved you could look into us... Daniel Vincelette

10:01 AM MitySOM-5CSX Altera Cyclone V FPGA Development: MitySOM-5csx custom board PL fabric ethernet access

Hi all, I am working on a project where two ethernet interfaces, are connected through PL fabric, using GMII to RGMII... Bhardwaj Kotha

06/24/2024

08:39 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: Error in u-boot. cyclone v 5CSEBA4U2317 SOM

Hello,
From the error it looks like the SPL isn't able to correctly read the MBR/Partition table on the SD card. T... Daniel Vincelette

08:03 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: Error in u-boot. cyclone v 5CSEBA4U2317 SOM

Hi Daniel,
Can you please tell me why this error is coming while booting.
I am facing this issue from last 15 days.... Bhardwaj Kotha

02:55 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Does yocto support multiple config fragments?

Hi Nathan,
I just tested multiple config fragments, and everything worked for me. Here is part of the simple conf... Joshua Bourgeot

06/21/2024

05:25 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: Error in u-boot. cyclone v 5CSEBA4U2317 SOM

Hello Daniel,
I will wait for your response. I am working on HPS only at present.
Thanks,
Bhardwaj Bhardwaj Kotha

06/20/2024

08:06 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Does yocto support multiple config fragments?

Hi Nathan, the config fragments are handled by a TI recipe located at sources/meta-ti/meta-ti-bsp/recipes-kernel/linu... Jonathan Cormier

07:57 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS485 Direction Control on UART1

How long are you looking for?
The kernel documentation mentions getting extended distance for rs232 by using UTP c... Jonathan Cormier

03:43 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS485 Direction Control on UART1

Hi Jonathan,
thanks for the quick response. I will look into the 8250 driver, it might be useful (if only for my ... Michael Bisbano

03:27 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: Error in u-boot. cyclone v 5CSEBA4U2317 SOM

Hello,
We are currently in the process of updating our instructions for building the FPGA, bootloaders, and filesy... Daniel Vincelette

02:32 PM MitySOM-5CSX Altera Cyclone V Software Development: Error in u-boot. cyclone v 5CSEBA4U2317 SOM

Dear sir/madam,
                              I am working on cyclone v 5CSEBA4U2317 SOM with custom board. I am u... Bhardwaj Kotha

06/19/2024

07:09 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS485 Direction Control on UART1

The serial 8250 driver has an rs485 mode which we extended to allow using a gpio to generate a RS485 TX enable. Howe... Jonathan Cormier

04:36 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RS485 Direction Control on UART1

Hi all,
My application requires installation embedded in a battery power system with long wire. I would like acces... Michael Bisbano

03:09 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: Does yocto support multiple config fragments?

We got kernel config fragments working, then we set about making more of them.
We made small fragments that were... Nathan Wright

02:44 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Is it possible to use the u-boot binary env file?

Hi Nathan,
I have been looking into this but have been unable to add saveenv back in. I'm glad you found a work ar... Joshua Bourgeot

01:59 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Is it possible to use the u-boot binary env file?

For posterity, we figured out how to restore u-boot-initial-env text file and then we placed a fake uboot.env file in... Nathan Wright

06/14/2024

01:50 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: Is it possible to use the u-boot binary env file?

I see on e2e.ti.com that some posts imply there might be a way to restore use of saveenv and the binary boot.env file... Nathan Wright

06/13/2024

11:41 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Managing the u-boot environemt, uEnv.txt and fw_setenv

We are testing simply placing a hook in to bootcmd via the uboot menuconfig, between load environment and booting.
... Nathan Wright

06/12/2024

10:19 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Managing the u-boot environemt, uEnv.txt and fw_setenv

> Turns out I don't think is what I am looking for. That is for delivering a uEnv file via a swu file, and optionally... Jonathan Cormier

07:38 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Managing the u-boot environemt, uEnv.txt and fw_setenv

Turns out I don't think is what I am looking for. That is for delivering a uEnv file via a swu file, and optionally ... Nathan Wright

05:40 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Managing the u-boot environemt, uEnv.txt and fw_setenv

Excellent! Thanks. Nathan Wright

05:38 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Managing the u-boot environemt, uEnv.txt and fw_setenv

Hi Nathan,
TI has removed this functionality in the new 9 sdk, see "here":https://software-dl.ti.com/processor-sdk... Joshua Bourgeot

06/11/2024

09:07 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: Managing the u-boot environemt, uEnv.txt and fw_setenv

Hello,
It appears that support for u-boot environment has been limited to uEnv.txt. We are trying to use swupdate... Nathan Wright

08:51 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: suggestion: add parted and mtools to docker-pocky

Thanks! Specifying -n to identify where the tools are does work. Nathan Wright

07:19 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: suggestion: add parted and mtools to docker-pocky

Hi Nathan,
The Docker-poky script uses the Crops poky docker image (https://hub.docker.com/r/crops/poky), so we do... Joshua Bourgeot

05:23 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: suggestion: add parted and mtools to docker-pocky

You need them if you want to use the wic tool to inspect wic files that have fat partitions.
I attach to a running... Nathan Wright

06/10/2024

11:40 AM MitySOM-AM57X Software Development: RE: Clock, Timer and Power Idle

Arun Krishnan wrote in message#6643:
> Solved the error by adding botton lines to to the ipc.cfg
> var Resource = ... Arun Krishnan

11:39 AM MitySOM-AM57X Software Development: RE: Clock, Timer and Power Idle

Solved the error by adding botton lines to to the ipc.cfg
var Resource = xdc.useModule('ti.ipc.remoteproc.Resource'... Arun Krishnan

10:51 AM MitySOM-AM57X Software Development: RE: Clock, Timer and Power Idle

When I try to build the application, I am getting the error "error #10056: symbol "ti_ipc_remoteproc_ResourceTable" r... Arun Krishnan

11:08 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: FPGA (FIFO) -> DSP (DMA) transfer problem

There is a cross-bar that sits between EMIFA on the L138 and the DSP / ARM / peripheral masters.
When a read reque... Michael Williamson

07:52 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: FPGA (FIFO) -> DSP (DMA) transfer problem

Thank you for answer.
We will conduct the above experiment later.
Currently, we are trying to increase the RD Clk... Kyungguk Bok

06/07/2024

08:55 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: AM62A module SODIMM pinout documentation error

William,
I see that you have released an update to the datasheet. Unfortunately it is contradicting now. The 3rd c... Pal Szabo

06/05/2024

09:05 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: FPGA (FIFO) -> DSP (DMA) transfer problem

Hello,
Based on the FPGA code you shared I believe that the primary issue you are having is that your FPGA code r... Gregory Gluszek

12:42 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: FPGA (FIFO) -> DSP (DMA) transfer problem

Thank you for answer.
As you suggested, read Cache_and_Memory and
We proceeded by modifying the source as shown bel... Kyungguk Bok

06/04/2024

05:17 PM MitySOM-AM57X Software Development: RE: Clock, Timer and Power Idle

Thanks for the all the info John. I posted to e2e also hoping TI could provide some more info on how dmtimer and clo... Stanley Wood

02:04 PM MitySOM-AM57X Software Development: RE: Clock, Timer and Power Idle

For the benefit of others, Stanley has also posted this question to an E2E forum at https://e2e.ti.com/support/proces... John Pruitt

06/03/2024

03:08 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: FPGA (FIFO) -> DSP (DMA) transfer problem

The fpga guys can step in if I've missed something but it looks to me like your missing cache invalidate calls. If t... Jonathan Cormier

08:57 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: FPGA (FIFO) -> DSP (DMA) transfer problem

hello.
I am posting because I have a question related to DMA.
The last CCS issue was not resolved, so I am loading ... Kyungguk Bok

03:06 PM MitySOM-AM57X Software Development: Clock, Timer and Power Idle

Reference: https://support.criticallink.com/git/mitysom-am57x-ref.git
I've built and successfully run the ex02_me... Stanley Wood