1*54fd6939SJiyong ParkTexas Instruments K3 2*54fd6939SJiyong Park==================== 3*54fd6939SJiyong Park 4*54fd6939SJiyong ParkTrusted Firmware-A (TF-A) implements the EL3 firmware layer for Texas Instruments K3 SoCs. 5*54fd6939SJiyong Park 6*54fd6939SJiyong ParkBoot Flow 7*54fd6939SJiyong Park--------- 8*54fd6939SJiyong Park 9*54fd6939SJiyong Park:: 10*54fd6939SJiyong Park 11*54fd6939SJiyong Park R5(U-Boot) --> TF-A BL31 --> BL32(OP-TEE) --> TF-A BL31 --> BL33(U-Boot) --> Linux 12*54fd6939SJiyong Park \ 13*54fd6939SJiyong Park Optional direct to Linux boot 14*54fd6939SJiyong Park \ 15*54fd6939SJiyong Park --> BL33(Linux) 16*54fd6939SJiyong Park 17*54fd6939SJiyong ParkTexas Instruments K3 SoCs contain an R5 processor used as the boot master, it 18*54fd6939SJiyong Parkloads the needed images for A53 startup, because of this we do not need BL1 or 19*54fd6939SJiyong ParkBL2 TF-A stages. 20*54fd6939SJiyong Park 21*54fd6939SJiyong ParkBuild Instructions 22*54fd6939SJiyong Park------------------ 23*54fd6939SJiyong Park 24*54fd6939SJiyong Parkhttps://github.com/ARM-software/arm-trusted-firmware.git 25*54fd6939SJiyong Park 26*54fd6939SJiyong ParkTF-A: 27*54fd6939SJiyong Park 28*54fd6939SJiyong Park.. code:: shell 29*54fd6939SJiyong Park 30*54fd6939SJiyong Park make CROSS_COMPILE=aarch64-linux-gnu- PLAT=k3 SPD=opteed all 31*54fd6939SJiyong Park 32*54fd6939SJiyong ParkOP-TEE: 33*54fd6939SJiyong Park 34*54fd6939SJiyong Park.. code:: shell 35*54fd6939SJiyong Park 36*54fd6939SJiyong Park make ARCH=arm CROSS_COMPILE64=aarch64-linux-gnu- PLATFORM=k3 CFG_ARM64_core=y all 37*54fd6939SJiyong Park 38*54fd6939SJiyong ParkR5 U-Boot: 39*54fd6939SJiyong Park 40*54fd6939SJiyong Park.. code:: shell 41*54fd6939SJiyong Park 42*54fd6939SJiyong Park make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- am65x_evm_r5_defconfig 43*54fd6939SJiyong Park make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- SYSFW=<path to SYSFW> 44*54fd6939SJiyong Park 45*54fd6939SJiyong ParkA53 U-Boot: 46*54fd6939SJiyong Park 47*54fd6939SJiyong Park.. code:: shell 48*54fd6939SJiyong Park 49*54fd6939SJiyong Park make ARCH=arm CROSS_COMPILE=aarch64-linux-gnu- am65x_evm_a53_defconfig 50*54fd6939SJiyong Park make ARCH=arm CROSS_COMPILE=aarch64-linux-gnu- ATF=<path> TEE=<path> 51*54fd6939SJiyong Park 52*54fd6939SJiyong ParkDeploy Images 53*54fd6939SJiyong Park------------- 54*54fd6939SJiyong Park 55*54fd6939SJiyong Park.. code:: shell 56*54fd6939SJiyong Park 57*54fd6939SJiyong Park cp tiboot3.bin tispl.bin u-boot.img /sdcard/boot/ 58