On Tue, Oct 11, 2016 at 2:57 AM, George McCollister <george.mccollis...@gmail.com> wrote: > Many SPI NOR flash devices support status register protection through > one or two status register protection bits. Status register protection > enables protection of block protect and other bits from manipulation. > > So far, four different status register protection methods have been > observed: > > Software - Writes to the status register are blocked until > a write enable bit is set by software. > Hardware - Writes to the status register are blocked while > a pin is in a certain state. > Power - Writes to the status register are blocked until > the next power-down. > One Time Program - Writes to the status register are permanently > blocked. > > Signed-off-by: George McCollister <george.mccollis...@gmail.com> > --- > include/spi_flash.h | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) >
Reviewed-by: Bin Meng <bmeng...@gmail.com> _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
