[Uboot-stm32] [PATCH v2 03/11] stm32mp1: Add support for falcon mode boot from SD card

[Alex G.]

On 10/4/21 9:57 AM, Patrick DELAUNAY wrote:
> Hi,
> 
> => if OPTEE is loaded after SPL the U-Boot configuration change (running 
> in secure world or not)
> 
> I am starting to work on these issues in the branch
> 
> https://github.com/u-boot/u-boot/compare/master...patrickdelaunay:spl_optee_W2140 
> https://github.com/u-boot/u-boot/commit/04ad553e9c6bee62781460d2952df4962e58ae14 
> https://github.com/u-boot/u-boot/commit/aebb687a1557590bf070cf5d3478544ffff20ca1 
> 
> But it is still not working, OP-TEE is not correctly started

What do you mean by "OP-TEE is not correctly started". Here's the .its 
that I use for my FIT image. I hope this will be helpful.

/dts-v1/
;/ {
	description = "U-Boot fitImage for stm32mp1";
	#address-cells = <1>;
	images {	
		optee-1 {
			description = "OP-TEE secure world firmware";
			data = /incbin/("firmware/tee.bin");
			type = "tee";
			arch = "arm";
			os = "tee";
			compression = "none";
			load = <0xddffffe4>;
			entry = <0xde000000>;
			hash-1 {
				algo = "sha256";
			};
		};
		kernel-1 {
			description = "Linux kernel";
			data = /incbin/("kernel/zImage");
			type = "kernel";
			arch = "arm";
			os = "linux";
			compression = "none";
			load = <0xc2000040>;
			entry = <0xc2000040>;
			hash-1 {
				algo = "sha256";
			};
		};
		fdt-stm32mp157c-ev1.dtb {
			description = "Flattened Device Tree blob";
			data = /incbin/("kernel/stm32mp157c-ev1.dtb");
			type = "flat_dt";
			arch = "arm";
			compression = "none";
			hash-1 {
				algo = "sha256";
			};
		};
		fdt-stm32mp157c-dk2.dtb {
			description = "Flattened Device Tree blob";
			data = /incbin/("kernel/stm32mp157c-dk2.dtb");
			type = "flat_dt";
			arch = "arm";
			compression = "none";
			hash-1 {
				algo = "sha256";
			};
		};
		fdt-dk2-optee.dto {
			description = "Flattened Device Tree blob";
			data = /incbin/("firmware/dk2-optee.dto");
			type = "flat_dt";
			arch = "arm";
			compression = "none";
			hash-1 {
				algo = "sha256";
			};
		};
		fdt-dk2-can1-enable.dto {
			description = "Flattened Device Tree blob";
			data = /incbin/("firmware/dk2-can1-enable.dto");
			type = "flat_dt";
			arch = "arm";
			compression = "none";
			hash-1 {
				algo = "sha256";
			};
		};
		fdt-bootargs.dto {
			description = "Flattened Device Tree blob";
			data = /incbin/("firmware/bootargs.dto");
			type = "flat_dt";
			arch = "arm";
			compression = "none";
			hash-1 {
				algo = "sha256";
			};
		};
	};
	configurations {
		default = "secure-stm32mp157c-ev1.dtb";
		secure-stm32mp157c-ev1.dtb {
			description = "Linux with OP-TEE for stm32mp157c-ev1.dtb";
			kernel = "optee-1";
			fdt = "fdt-stm32mp157c-ev1.dtb", "fdt-bootargs.dto";
			loadables = "kernel-1";
			hash-1 {
				algo = "sha256";
			};
		};
		secure-stm32mp157c-dk2.dtb {
			description = "Linux with OP-TEE for stm32mp157c-dk2.dtb";
			kernel = "optee-1";
			fdt = "fdt-stm32mp157c-dk2.dtb", "fdt-bootargs.dto", 
"fdt-dk2-can1-enable.dto", "fdt-dk2-optee.dto";
			loadables = "kernel-1";
			hash-1 {
				algo = "sha256";
			};
		};
	};
};