[U-Boot] [Resend RFC PATCH v1 0/3] GPT over MTD

[Ladislav Michl]

Hi,

On Tue, Nov 22, 2016 at 02:24:39PM +0100, Patrick Delaunay wrote:
> 
> I have a request to support GPT over MTD to be able to have dynamic
> MTD informations without u-Boot environment(CONFIG_ENV_IS_NOWHERE
> is a other requirement of my project).

I'm just curious, could you provide some reasoning, why this is a requirement?

> The idea is to use the GPT header to save partitioning information directly
> in flash device (NOR or NAND), then the MTD variables are rebuild from
> these GPT partitions and can be used by DISTRO to search bootable binary.

Ok, so you stored partitioning information on flash... That seems to be some
kind of limited environment saved :-)

> I make a first prototyping for this request but I want ask you if this
> feature is acceptable for u-boot and if this patches, after some update
> and cleanups, would be merged in u-boot mainline.
> Do you see already some blocking points ?

Is there any reason why you cannot use UBI?

> - added code is under a new CONFIG : CONFIG_EFI_PARTITION_MTD
> - for implementation details, see doc/README.gpt.mtd
> 
> TODO:
> - split patch between core impact (disk/part_efi.c)
>   and command update
> - full support for modified command
>   (today I limit the support for the command used by DISTRO macro)
> - DISTRO macro update for automatic boot on GPT bootable partition
>   found in MTD devices

Best regards,
	ladis