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From 03/13/2020 to 04/11/2020

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

03/19/2020

03:37 PM Software Development: RE: GPIO toggling/chattering while performing NAND read.
The config7 register appears to be getting set in arch/arm/mach-omap2/mem-common.c Jonathan Cormier
06:18 AM Software Development: RE: GPIO toggling/chattering while performing NAND read.

Sure, we will print CONTROL_MODULE_REGISTERS and update you on the same.
We want to update the source code and m...
Srinivasa Wunnimani

03/16/2020

03:58 PM Software Development: RE: GPIO toggling/chattering while performing NAND read.
Note the pinmux tables can be read from memory.
See "Table 9-10: CONTROL_MODULE REGISTERS" https://support.critic...
Jonathan Cormier
03:35 PM Software Development: RE: GPIO toggling/chattering while performing NAND read.
Hi,
Thank you for your input.
Tried with below command, still same problem.
mw.w 0x50000078 48
As mentione...
Srinivasa Wunnimani
02:09 PM Software Development: RE: GPIO toggling/chattering while performing NAND read.
> md.b 0x50000070 10
> mw.b 0x50000078 48
> mw.b 0x50000079 00
I would stick with using md.w and mw.w since all ...
Jonathan Cormier

03/14/2020

11:52 AM Software Development: RE: GPIO toggling/chattering while performing NAND read.
Sorry for typo error:
I was able to manual write it to GPMC *without* any error.
Regards
Srinivasa
Srinivasa Wunnimani
08:47 AM Software Development: RE: GPIO toggling/chattering while performing NAND read.
Hi,
I tried to change GPMC_CONFIG7_0 to 0x48 from 0xf48 as below. I was able to manual write it to GPMC with any ...
Srinivasa Wunnimani
 

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