tree 8498d20c471b0fec63aa95a1250b0e1d08d35130
parent c4713ec44daad13c88a8fa70cb3384d0e5831bb6
author Aneesh Bansal <aneesh.bansal@nxp.com> 1453460846 +0530
committer York Sun <york.sun@nxp.com> 1453911169 -0800

secure_boot: enable chain of trust for ARM platforms

Chain of Trust is enabled for ARM platforms (LS1021 and LS1043).
In board_late_init(), fsl_setenv_chain_of_trust() is called which
will perform the following:
- If boot mode is non-secure, return (No Change)
- If boot mode is secure, set the following environmet variables:
   bootdelay = 0 (To disable Boot Prompt)
   bootcmd = CONFIG_CHAIN_BOOT_CMD (Validate and execute Boot script)

Signed-off-by: Aneesh Bansal <aneesh.bansal@nxp.com>
Acked-by: Ruchika Gupta <ruchika.gupta@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>