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doc: Updates info on using Keystone2 secure devices

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Add a section describing the secure boot image used on
Keystone2 secure devices.

Signed-off-by: Madan Srinivas <madans@ti.com>
Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
This commit is contained in:
Madan Srinivas 2017-04-07 10:00:07 -05:00 committed by Tom Rini
parent 2ff5183fba
commit 4fce6554dc
1 changed files with 20 additions and 0 deletions
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doc/README.ti-secure
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@ -133,6 +133,26 @@ Booting of U-Boot SPL
u-boot-spl_HS_X-LOADER - boot image for all other flash memories
including QSPI and NOR flash
Invoking the script for Keystone2 Secure Devices
=============================================
create-boot-image.sh \
<UNUSED> <INPUT_FILE> <OUTPUT_FILE> <UNUSED>
<UNUSED> is currently ignored and reserved for future use.
<INPUT_FILE> is the full path and filename of the public world boot
loader binary file (only u-boot.bin is currently supported on
Keystone2 devices, u-boot-spl.bin is not currently supported).
<OUTPUT_FILE> is the full path and filename of the final secure image.
The output binary images should be used in place of the standard
non-secure binary images (see the platform-specific user's guides
and releases notes for how the non-secure images are typically used)
u-boot_HS_MLO - signed and encrypted boot image that can be used to
boot from all media. Secure boot from SPI NOR flash is not
currently supported.
Booting of Primary U-Boot (u-boot.img)
======================================