RFC GPT over MTD
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Cover letter [U-Boot] [Resend RFC PATCH v1 0/3] GPT over MTD
Hi,
Quoted 4 lines · Patrick Delaunay
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?
Quoted 3 lines
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 :-)
Quoted 4 lines
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?
Quoted 10 lines
- added code is under a new CONFIG :
CONFIG_EFI_PARTITION_MTD
- for implementation details, see doc/README.gpt.mtdTODO:
- 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