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diff --git a/docs/plat/ti-k3.rst b/docs/plat/ti-k3.rst new file mode 100644 index 0000000..4843227 --- /dev/null +++ b/docs/plat/ti-k3.rst @@ -0,0 +1,57 @@ +Texas Instruments K3 +==================== + +Trusted Firmware-A (TF-A) implements the EL3 firmware layer for Texas Instruments K3 SoCs. + +Boot Flow +--------- + +:: + + R5(U-Boot) --> TF-A BL31 --> BL32(OP-TEE) --> TF-A BL31 --> BL33(U-Boot) --> Linux + \ + Optional direct to Linux boot + \ + --> BL33(Linux) + +Texas Instruments K3 SoCs contain an R5 processor used as the boot master, it +loads the needed images for A53 startup, because of this we do not need BL1 or +BL2 TF-A stages. + +Build Instructions +------------------ + +https://github.com/ARM-software/arm-trusted-firmware.git + +TF-A: + +.. code:: shell + + make CROSS_COMPILE=aarch64-linux-gnu- PLAT=k3 SPD=opteed all + +OP-TEE: + +.. code:: shell + + make ARCH=arm CROSS_COMPILE64=aarch64-linux-gnu- PLATFORM=k3 CFG_ARM64_core=y all + +R5 U-Boot: + +.. code:: shell + + make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- am65x_evm_r5_defconfig + make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- SYSFW=<path to SYSFW> + +A53 U-Boot: + +.. code:: shell + + make ARCH=arm CROSS_COMPILE=aarch64-linux-gnu- am65x_evm_a53_defconfig + make ARCH=arm CROSS_COMPILE=aarch64-linux-gnu- ATF=<path> TEE=<path> + +Deploy Images +------------- + +.. code:: shell + + cp tiboot3.bin tispl.bin u-boot.img /sdcard/boot/ |