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Michal Simek 1be82afa80 global: Use proper project name U-Boot 
Use proper project name in comments, Kconfig, readmes.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/0dbdf0432405c1c38ffca55703b6737a48219e79.1684307818.git.michal.simek@amd.com
2023-06-12 13:24:31 +02:00
..
README.am335x-network net: Rename SPL_NET_SUPPORT to SPL_NET 2021-09-04 12:48:53 -04:00
README.omap3 Rename CONFIG_SYS_TEXT_BASE to CONFIG_TEXT_BASE 2022-10-31 11:01:31 -04:00
README.spl-secure-boot global: Use proper project name U-Boot 2023-06-12 13:24:31 +02:00

README.spl-secure-boot 

Overview of SPL verified boot on powerpc/mpc85xx & arm/layerscape platforms
===========================================================================

Introduction
------------

This document provides an overview of how SPL verified boot works on powerpc/
mpc85xx & arm/layerscape platforms.

Methodology
-----------

The SPL image is responsible for loading the next stage boot loader, which is
the main u-boot image. For secure boot process on these platforms ROM verifies
SPL image, so to continue chain of trust SPL image verifies U-Boot image using
spl_validate_uboot(). This function uses QorIQ Trust Architecture header
(appended to U-Boot image) to validate the U-Boot binary just before passing
control to it.