On Wed, Aug 03, 2016 at 12:49:09PM +0900, Masahiro Yamada wrote: > Hi Fabio, > > > 2016-08-03 12:34 GMT+09:00 Fabio Estevam <feste...@gmail.com>: > > On Wed, Aug 3, 2016 at 12:31 AM, Masahiro Yamada > > <yamada.masah...@socionext.com> wrote: > >> Hi. > >> > >> > >> I am looking for a command > >> that discards the saved environments, > > > > Does this command help? > > > > => env default -f -a > > > > > I know this command, but it is the manupulation > of working RAM in U-Boot. > > If I reset my board, > it will load the saved environment again. > > > > I want the environment data in a non-volatile device to go away.
I think I'm missing something. As Fabio said env default -f -a will reset it. And then you can saveenv it. If you want to restrict certain parts of the environment check out the stuff around *ENV_FLAGS* and of course if you just want to never have persistent environment, change to ENV_IS_NOWHERE. We don't have a way to tell U-Boot to ignore the valid environment that it did find. -- Tom
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