Hi Marex, Thanks for the patch
> -----Original Message----- > From: U-Boot <[email protected]> On Behalf Of Marek Vasut > Sent: 12 January 2025 22:37 > Subject: [PATCH 2/3] image: Add support for starting TFA BL31 as fitImage > loadables > > Add support for starting TFA from U-Boot running in EL3 as part of fitImage > boot, so the user can > start U-Boot in the highest privilege level on the platform, bundle TFA, > Linux, DT into a single > fitImage and boot such a bundle as a whole. > > There are two main benefits of this approach. First is the ability to run > U-Boot in EL3, where it has > unrestricted access to the entire system and can act as a useful debug tool, > as it was always intended > to be used. Second is the ability to easily and safely update of any > component in the fitImage, be it > TFA, Linux or DT. In this case, who will do switching from secure world to normal world, u-boot? Do you have any link to the u-boot patch from secure to normal world switching with kernel entry point passed to BL31? Otherwise, kernel, also will be executing in secure world mode. Cheers, Biju
