Mity CPU Platforms » MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P

12/10/2024

03:03 PM Software Development: RE: USB Device mode communication problems

https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1449610/am625-backport-disable-usb-lpm-to-6... Jonathan Cormier

02:44 PM Software Development: RE: USB Device mode communication problems

iseori kang wrote in message#6830:
> Hello,
>
> The team seems to have solved it with the following settings.
>... Jonathan Cormier

09:46 AM Software Development: RE: USB Device mode communication problems

Hello,
The team seems to have solved it with the following settings.
Fixed Dts file
snps,usb2-lpm-disable;
... iseori kang

03:06 AM Software Development: RE: USB Device mode communication problems

Forwarding additional content
Messages when USB is working
[ 259.298196] drivers/usb/dwc3/gadget.c:3693 dwc3_g... iseori kang

12:21 AM Software Development: RE: USB Device mode communication problems

Hello,
We noticed that the message is different for success and failure.
It is only coming from a few laptops.
... iseori kang

12/09/2024

03:27 PM Software Development: RE: USB Device mode communication problems

> Have you sent Jonathan a copy of your schematic, I can review that as well.
The schematic I received was only the ... Jonathan Cormier

02:15 PM Software Development: RE: USB Device mode communication problems

I have not been able to reproduce it here, yet.
Do you get any messages from "dmesg" when the communication is dro... Michael Williamson

07:10 AM Software Development: RE: USB Device mode communication problems

Hello, Mike.
Do you have any updates on this?
Thank you and best regards, iseori kang

12/03/2024

04:13 PM Software Development: RE: flash script needs to boot enable the device

Hi Nathan, Thanks for letting us know. I've pushed the fix to the kirstone and scarthgap branches. Jonathan Cormier

12/02/2024

07:18 PM Software Development: RE: u-boot environment initialization

> The probable source of my confusion is that I thought those we were same place.
> I thought mmcblk0boot0 was like ... Jonathan Cormier

04:56 PM Software Development: RE: u-boot environment initialization

Pushed fix to u-boot 2023 and 2024
https://support.criticallink.com/gitweb/?p=u-boot-ti.git;a=commit;h=bb86b0aa5782c... Jonathan Cormier

04:10 PM Software Development: RE: u-boot environment initialization

It looks to me like this is misconfigured in both 2023 and 2024 u-boot.
Here is a trimmed-down version of the u-bo... Jonathan Cormier

03:32 PM Software Development: RE: u-boot environment initialization

In my checks I tested both blocks. Reading back mmcblk0boot0 did show the environment. Reading back mmcblk0 did not... Nathan Wright

03:14 PM Software Development: RE: u-boot environment initialization

Note according to our emmc boot instructions. https://support.criticallink.com/redmine/projects/mitysom_am62x/wiki/Bo... Jonathan Cormier

03:08 PM Software Development: RE: u-boot environment initialization

> Or did you mean you dumped out /dev/mmblk0boot0 in your check?
Can you confirm this part of Mike's question?
It... Jonathan Cormier

01:38 PM Software Development: RE: u-boot environment initialization

How would I determine that?
In uboot, there is the mmc command and the existing script sets mmcdev to 0 and boot... Nathan Wright

11/30/2024

12:16 PM Software Development: RE: u-boot environment initialization

Hi Nathan,
Based on this from your comment:
_So I took an image of first 9000 512 blocks of /dev/mmcblk0 ..._
... Michael Williamson