GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
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+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/