upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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Sumit Garg
ebfc066e6f
|
9 years ago | |
|---|---|---|
| .. | ||
| README.am335x-network | ||
| README.omap3 | ||
| README.spl-secure-boot | ||
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.