[PATCH v7 00/23] Migration to using binman for bootloader

Neha Malcom Francis n-francis at ti.com
Mon Jul 17 15:08:22 CEST 2023

Hi Maxime

On 17/07/23 18:19, Maxime Ripard wrote:
> Hi,
> On Fri, Jul 14, 2023 at 07:20:47PM +0530, Neha Malcom Francis wrote:
>> This series aims to eliminate the use of additional custom repositories
>> such as k3-image-gen (K3 Image Generation) repo and core-secdev-k3 (K3
>> Security Development Tools) that was plumbed into the U-Boot build flow
>> to generate boot images for TI K3 platform devices. And instead, we move
>> towards using binman that aligns better with the community standard build
>> flow.
>> This series uses binman for all K3 platforms supported on U-Boot currently;
>> both HS (High Security, both SE and FS) and GP (General Purpose) devices.
>> Background on using k3-image-gen:
>> 	* TI K3 devices require a SYSFW (System Firmware) image consisting
>> 	of a signed system firmware image and board configuration binaries,
>> 	this is needed to bring up system firmware during U-Boot R5 SPL
>> 	startup.
>> 	* Board configuration data contain board-specific information
>> 	such as resource management, power management and security.
>> Background on using core-secdev-k3:
>> 	* Contains resources to sign x509 certificates for HS devices
>> Series intends to use binman to take over the packaging and signing for
>> the R5 bootloader images tiboot3.bin (and sysfw.itb, for non-combined
>> boot flow) instead of k3-image-gen.
>> Series also packages the A72/A53 bootloader images (tispl.bin and
>> u-boot.img) using ATF, OPTEE and DM (Device Manager)
> Tested-by: Maxime Ripard <mripard at kernel.org>

Thanks for testing!

> It took a while to figure out that the tiboot3.bin file was for the
> HS-FS variant now, while I was using a GP board.

Depends on the board, based on the commonly available boards tiboot3.bin is 
symlinked to either GP or HS-FS.

> Maybe we should clarify that in the doc?

But yes, I will factor this into the docs.

> Maxime

Thanking You
Neha Malcom Francis

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