ARM Trusted Firmware for Xilinx Zynq UltraScale+ MPSoC

ARM Trusted Firmware implements the EL3 firmware layer for Xilinx Zynq UltraScale + MPSoC. The platform only uses the runtime part of ATF as ZynqMP already has a BootROM (BL1) and FSBL (BL2).

BL31 is ATF.
BL32 is an optional Secure Payload.
BL33 is the non-secure world software (U-Boot, Linux etc).

To build:

make ERROR_DEPRECATED=1 RESET_TO_BL31=1 CROSS_COMPILE=aarch64-none-elf- PLAT=zynqmp bl31

To build bl32 TSP you have to rebuild bl31 too:

make ERROR_DEPRECATED=1 RESET_TO_BL31=1 CROSS_COMPILE=aarch64-none-elf- PLAT=zynqmp SPD=tspd bl31 bl32

ZynqMP platform specific build options

• ZYNQMP_ATF_MEM_BASE: Specifies the base address of the bl31 binary.
• ZYNQMP_ATF_MEM_SIZE: Specifies the size of the memory region of the bl31 binary.
• ZYNQMP_BL32_MEM_BASE: Specifies the base address of the bl32 binary.
• ZYNQMP_BL32_MEM_SIZE: Specifies the size of the memory region of the bl32 binary.

Power Domain Tree

The following power domain tree represents the power domain model used by the ATF for ZynqMP:

                +-+
                |0|
                +-+
     +-------+---+---+-------+
     |       |       |       |
     |       |       |       |
     v       v       v       v
    +-+     +-+     +-+     +-+
    |0|     |1|     |2|     |3|
    +-+     +-+     +-+     +-+

The 4 leaf power domains represent the individual A53 cores, while resources common to the cluster are grouped in the power domain on the top.