tree c9ec3c59244371d8ad9992a2ba332a7b50d33950
parent 90fcfb1534fd7600a4193b9414f3fb6817445792
author Simon Glass <sjg@chromium.org> 1541542901 -0700
committer Simon Glass <sjg@chromium.org> 1542766462 -0700

sf: Add a method to obtain the block-protect setting

It is useful to obtain the block-protect setting of the SPI flash, so we
know whether it is fully open or (perhaps partially) write-protected. Add
a method for this. Update the sandbox driver to process this operation and
add a test.

Signed-off-by: Simon Glass <sjg@chromium.org>