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jianglk.darker
7ee447c011
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7 months ago | |
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| .. | ||
| README.am335x-network | 7 months ago | |
| README.omap3 | 7 months ago | |
| README.spl-secure-boot | 7 months ago | |
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.