Project

General

Profile

Activity

From 07/24/2015 to 08/22/2015

07/30/2015

JC 09:35 AM Software Development: RE: Load DTB from NAND
Angelos,
This would depend on what your trying to accomplish.
I believe the preferable way would be to have ubi handle the separate partitions and keep the mtd rootfs partition as a single partition. This has the advantage of tha...
Jonathan Cormier
AS 06:14 AM Software Development: RE: Load DTB from NAND
Hi Jonathan,
Thanks for your answer.
In my application, I would like to have three subpartitions inside the /rootfs partition. I am a little bit confused about how I should declare it. Should it go both to the device tree definitio...
Angelos Spanos

07/27/2015

JC 11:47 AM Software Development: RE: Load DTB from NAND
There are several ways that data can have bitflips. See the below link for some cases. The minimum ECC level specified by the manufacturer is intended to take some of these into account to guarantee a certain level of life for the NAND ... Jonathan Cormier
AS 04:35 AM Software Development: RE: Load DTB from NAND
Hi Jonathan,
Thanks for the commands.
Could you please verify whether the erase blocks are only used and can be corrupted during a NAND write? Or is it the case that NAND reads make use of and can corrupt erase blocks?
All the b...
Angelos Spanos

07/24/2015

JC 10:59 AM Software Development: RE: Load DTB from NAND
Angelos Spanos wrote:
> Hi Jonathan,
> ...
In the file include/configs/mityarm335x.h, you need to define CONFIG_ENV_OFFSET_REDUND and CONFIG_ENV_SIZE_REDUND. They are currently there but are commented out on lines 375, 376. Offset wo...
Jonathan Cormier
AS 05:00 AM Software Development: RE: Load DTB from NAND
Hi Jonathan,
Jonathan Cormier wrote:
> Note that u-boot does need to be setup to use the backup environment.
What is the u-boot setup required for using the backup environment? Is there some md5sum or CRC command available?
A...
Angelos Spanos
 

Also available in: Atom