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Fix mxc_hab documenation 

It is necessary to modify the configuration file for the target
board. It wasn't well documented that to enable any of the secure
boot modes, it is required to add CONFIG_SECURE_BOOT to the board
configuration file.

Also, fixed a typo in the encrypted boot section.

Signed-off-by: Ulises Cardenas <Ulises.Cardenas@freescale.com>
utp
Ulises Cardenas 2015-04-20 13:47:58 -05:00 committed by Stefano Babic
parent 8a2bd215a2
commit 8148b82449
1 changed files with 9 additions and 3 deletions
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12
doc/README.mxc_hab
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@ -1,7 +1,13 @@
High Assurance Boot (HAB) for i.MX6 CPUs
To authenticate U-Boot only by the CPU there is no code required in
U-Boot itself. However, the U-Boot image to be programmed into the
To enable the authenticated or encrypted boot mode of U-Boot, it is
required to set the proper configuration for the target board. This
is done by adding the following configuration in in the proper config
file (e.g. include/configs/mx6qarm2.h)
#define CONFIG_SECURE_BOOT
In addition, the U-Boot image to be programmed into the
boot media needs to be properly constructed, i.e. it must contain a
proper Command Sequence File (CSF).
@ -69,7 +75,7 @@ CONFIG_SECURE_BOOT
CONFIG_SYS_FSL_SEC_COMPAT 4 /* HAB version */
CONFIG_FSL_CAAM
CONFIG_CMD_DEKBLOB
CONFIG_SYS_FSL_LE
CONFIG_SYS_FSL_SEC_LE
Note: The encrypted boot feature is only supported by HABv4 or
greater.