Mity CPU Platforms » MitySOM-335x (ARM Cortex-A8 Based Products)

04/08/2020

08:27 PM Software Development: RE: GPIO toggling/chattering while performing NAND read.

Srinivasa Wunnimani wrote:
> Hi,
>
> We have SOM board as per below link:
>
> https://static6.arrow.com/aropdf... Jonathan Cormier

07:40 PM Software Development: RE: GPIO toggling/chattering while performing NAND read.

Srinivasa Wunnimani wrote:
> I want to test the same with pre-built binaries for u-boot V2018.01.
> Let me know whe... Jonathan Cormier

03:04 PM Software Development: RE: GPIO toggling/chattering while performing NAND read.

Hi,
I understand your point.
Please find the log attached for SD boot and NAND boot attached.
I am trying to e... Srinivasa Wunnimani

01:06 PM Software Development: RE: GPIO toggling/chattering while performing NAND read.

huh is your sd card MLO and u-boot.img the same one you are programming into nand? Jonathan Cormier

04/07/2020

03:33 PM Software Development: RE: GPIO toggling/chattering while performing NAND read.

Is boot from nand a requirement to reproduce this?
> Yes. GPIO 0_27 (Relay chattering) happens only during NAND boo... Srinivasa Wunnimani

04/06/2020

07:58 PM Software Development: RE: GPIO toggling/chattering while performing NAND read.

Thanks for the instructions to reproduce the problem. That is helpful.
Unfortunately though with the current vir... Jonathan Cormier

03/31/2020

12:16 PM Software Development: RE: GPIO toggling/chattering while performing NAND read.

Hi,
We have SOM board as per below link:
https://static6.arrow.com/aropdfconversion/bd95376e672d11c623e62dac62c... Srinivasa Wunnimani

03/30/2020

05:46 PM Software Development: RE: GPIO toggling/chattering while performing NAND read.

Srinivasa Wunnimani wrote:
> *> Now my suspect is on below registers*
> GPMC_ECC_CONFIG
> GPMC_ECC_CONTROL
> GPMC... Jonathan Cormier

05:41 PM Software Development: RE: GPIO toggling/chattering while performing NAND read.

Srinivasa Wunnimani wrote:
> Hi,
>
> I am little confused on sysconfig pin mux registers. Did you mean control m... Jonathan Cormier

03/28/2020

02:01 PM Software Development: RE: GPIO toggling/chattering while performing NAND read.

Forget to attach log files.
Please find log files attached.
Regards
Srinivasa Srinivasa Wunnimani

02:00 PM Software Development: RE: GPIO toggling/chattering while performing NAND read.

Hi
> If things are crashing now, then this was probably not the correct change.
I have started debugging int... Srinivasa Wunnimani

01:12 PM Software Development: RE: GPIO toggling/chattering while performing NAND read.

Hi,
I am little confused on sysconfig pin mux registers. Did you mean control module registers?
Anyways, I have ... Srinivasa Wunnimani

03/27/2020

01:25 PM Software Development: RE: GPIO toggling/chattering while performing NAND read.

> To make sure pinmux is okay, copied board/cl/mityarm335x/mux.c from v2013.10 to our new u-boot v2018.01. Please fin... Jonathan Cormier

07:55 AM Software Development: RE: GPIO toggling/chattering while performing NAND read.

Hi,
If things are crashing now, then this was probably not the correct change. If you double check the config7 reg... Srinivasa Wunnimani

03/25/2020

01:09 PM Software Development: RE: GPIO toggling/chattering while performing NAND read.

Srinivasa Wunnimani wrote:
> Hi,
>
> I have updated arch/arm/mach-omap2/mem-common.c as below:
>
> 132 #if def... Jonathan Cormier

09:09 AM Software Development: RE: GPIO toggling/chattering while performing NAND read.

Hi,
I have updated arch/arm/mach-omap2/mem-common.c as below:
132 #if defined(CONFIG_NAND) || defined(CONFIG_CM... Srinivasa Wunnimani