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Fix mxc_hab documenation

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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>
This commit is contained in:
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.