[U-Boot] [PATCH 1/4] Add option -r to env import to allow import of text files with CRLF as line endings

[Stephen Warren <swarren@wwwdotorg.org>]

On 08/14/2014 02:53 PM, Tom Rini wrote:
> On Thu, Aug 14, 2014 at 01:50:31PM -0600, Stephen Warren wrote:
>
> [snip]
>> uenv.txt is the opposite; it's very U-Boot specific, and more about
>> internal implementation details of U-Boot. In particular, I only see
>> a use-case for uenv.txt on systems that have nowhere to store the
>> U-Boot environment other than in some filesystem. That's the reason
>> the RPi port loads uenv.txt, so the environment can be modified
>> somehow. Perhaps there's an ENV_IS_IN_FAT that could be used instead
>> on the Pi? For example, none of the Tegra boards use uEnv.txt since
>> "saveenv" to flash works there.
>
> Even with ENV_IS_IN_FAT you need to be in U-Boot to modify the
> environment (fw_setenv/printenv should be adaptable easily enough I
> would hope, but aren't today).  uEnv.txt is the way for a user to pop
> the SD card into their PC, tweak the env as needed (or fiddle some
> bits), eject the card and boot their target.

What, you don't link binary-editing the file to fix the CRC? :-P