Hi Michal, On Wed, 9 Oct 2024 at 10:33, Michal Simek <michal.si...@amd.com> wrote: > > There is necessary to do some steps to compose boot images. These steps > were in scripts in layers for a while. That's why introduce description via > binman to simplify wiring and remove all scripting around. > This should make sure that everybody is up2date with the latest versions. > > The first step is to create fit image with DTBs with descriptions in > configuration node which is written as regular expression to match all SOM > versions. > Description is there for k24 and k26 in spite of low level psu_init > configuration is different. The reason is that it goes to u-boot.itb image > which is the same for k24 and k26. > u-boot.itb is another image which is generated. It is normally generated > via arch/arm/mach-zynqmp/mkimage_fit_atf.sh but this script is supposed to > be deprecated. > FIT image by purpose is using 64bit addresses to have default option to > move images to high DDR (above 4GB). TF-A and TEE are optional components > but in the most cases TF-A is present all the time and TEE(OP-TEE) is used > by some configurations too. > > 3rd generated image is boot.bin with updated user field which contains > version number. This image can be used with updated Image Selector > which supports A/B update mechanisms with rollback protection. > > 4th image is image.bin which binary file which contains boot.bin and > u-boot.itb together and can be programmed via origin Image Selector. > This image can be also used for creating one capsule which contains both > boot images (in SPL boot flow). > > Signed-off-by: Michal Simek <michal.si...@amd.com> > --- > > Currently I have this for testing purpose only to find missing bits and > pieces in binman for cases I want to support. > > This patch depends on > https://lore.kernel.org/r/fbed0251437b61a2f7a85596d7403b5b9c8237c1.1728306322.git.michal.si...@amd.com > > --- > arch/arm/dts/Makefile | 1 + > arch/arm/dts/zynqmp-som-binman.dts | 224 +++++++++++++++++++++++++++ > arch/arm/mach-zynqmp/Kconfig | 17 ++ > configs/xilinx_zynqmp_kria_defconfig | 2 + > 4 files changed, 244 insertions(+) > create mode 100644 arch/arm/dts/zynqmp-som-binman.dts
I'm pleased to see this. My only suggestion is to use '/bits/ 64' instead of the macros, for 64-bit values. [..] Regards, Simon
