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

This patch applies on top of the patch doc: Update info on using AM33xx secure devices from TI submitted by Andrew Davis

Signed-off-by: Madan Srinivas madans@ti.com Reviewed-by: Tom Rini trini@konsulko.com

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Changes in v3: None Changes in v2: - Updates the secure keystone image name to u-boot_HS_MLO in README.ti-secure to match with the changes made to config.mk in this series version.

doc/README.ti-secure | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)

diff --git a/doc/README.ti-secure b/doc/README.ti-secure index 9b0fbf9..84c7206 100644 --- a/doc/README.ti-secure +++ b/doc/README.ti-secure @@ -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 Keystone 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 + keystone 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) ======================================