tree d93f62a4625b8d53415ea44ced16b04e214674f2
parent d5210e4589294b4c356e7c2ac598cda8d738aec8
author Heinrich Schuchardt <xypron.glpk@gmx.de> 1585545859 +0200
committer Peng Fan <peng.fan@nxp.com> 1587559315 +0800

cmd: mmc: provide boot area protection command

Provide command 'mmc wp' to power on write protect boot areas on eMMC
devices.

The B_PWR_WP_EN bit in the extended CSD register BOOT_WP is set. The boot
area are write protected until the next power cycle occurs.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>