[U-Boot] [PATCH 3/4] cfi_flash: Enable PPB protection for all AMD cmdset flash chips

[Holger Brunck]

Hi Stefan,

On 12/06/2012 03:44 PM, Stefan Roese wrote:
> Not only Spansion supports the Persistent Protection Bits (PPB) locking.
> Other devices like the Micron JS28F512M29EWx also support this type
> of locking/unlocking. Detection of support is done in the same way as
> done for the Spansion chips - via the 0x49 CFI word.
> 
> This patch enables this PPB protection mechanism for all AMD type
> (AMD commandset) chips.
> 
> Signed-off-by: Stefan Roese <sr at denx.de>
> Cc: Anatolij Gustschin <agust at denx.de>
> Cc: Holger Brunck <holger.brunck at keymile.com>
> ---
>  drivers/mtd/cfi_flash.c | 13 +++++--------
>  1 file changed, 5 insertions(+), 8 deletions(-)
> 

Tested-by: Holger Brunck <holger.brunck at keymile.com>

Regards
Holger