[U-Boot] [PATCH 0/5] Add support for using an UBI volume for environment

[Tom Rini]

On Fri, Feb 08, 2013 at 02:07:21PM -0600, Joe Hershberger wrote:

> NAND is not good at handling absolute addresses to sectors for storing
> particular data.  The current implementation of the NAND env support
> works around this in several ways such as storing a pointer to the
> sector in the OOB of the first sector (interferes with some CRC) or
> supporting a range of sectors (which unless it is huge is not
> guaranteed to be safe).  None of these options address wear-leveling
> concerns or bad block handling.
> 
> Accessing the u-boot env from UBI eliminates these concerns.  However,
> it does require some of the basic settings for finding the UBI env to
> be in the default u-boot env.
> 
> 
> Joe Hershberger (5):
>   ubi: Expose a few simple functions from the cmd_ubi
>   ubi: ubifs: Turn off verbose prints
>   mtd: Make mtdparts work with pre-reloc env
>   env: Add support for UBI environment
>   env: Add redundant env support to UBI env
> 
>  README                |  21 +++++
>  common/Makefile       |   1 +
>  common/cmd_mtdparts.c |  23 +++++-
>  common/cmd_nvedit.c   |   7 +-
>  common/cmd_ubi.c      | 149 +++++++++++++++++++---------------
>  common/env_ubi.c      | 218 ++++++++++++++++++++++++++++++++++++++++++++++++++
>  drivers/mtd/mtdpart.c |  14 ++--
>  drivers/mtd/ubi/ubi.h |   3 +-
>  fs/ubifs/ubifs.h      |   2 +-
>  include/environment.h |  18 +++++
>  include/ubi_uboot.h   |   3 +
>  tools/env/fw_env.c    |   6 +-
>  12 files changed, 387 insertions(+), 78 deletions(-)
>  create mode 100644 common/env_ubi.c

Please add a patch 6 which enables all of these options for some board,
preferably the one you've been testing this with.  Thanks!

-- 
Tom
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