[U-Boot] [U-Boot,v2,4/4] vexpress64: store env in flash

Tom Rini trini at konsulko.com
Sun Nov 22 16:55:27 CET 2015


On Wed, Nov 18, 2015 at 10:39:09AM +0000, Ryan Harkin wrote:

> Add support for storing the environment in CFI NOR flash on Juno and FVP
> models.
> 
> I also removed some config values that are not used by CFI flash parts.
> 
> Juno has 1 flash part with 259 sectors.  The first 255 sectors are
> 0x40000 (256kb) and are followed by 4 sectors of 0x10000 (64KB).
> 
> FVP models simulate a 64MB NOR flash part at base address 0x0FFC0000.
> This part has 256 x 256kb sectors.  We use the last sector to store the
> environment.
> 
> To save the NOR flash to a file, the following parameters should be
> passed to the model:
> 
>     -C bp.flashloader1.fname=${FILENAME}
>     -C bp.flashloader1.fnameWrite=${FILENAME}
> 
> Foundation models don't simulate the NOR flash, but having NOR support
> in the u-boot binary does not harm:  attempting to write to the NOR will
> fail gracefully.
> 
> Signed-off-by: Ryan Harkin <ryan.harkin at linaro.org>
> Acked-by: Linus Walleij <linus.walleij at linaro.org>

Applied to u-boot/master, thanks!

-- 
Tom
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