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Diffstat (limited to 'docs/plat')
| -rw-r--r-- | docs/plat/xilinx-zynqmp.md | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/plat/xilinx-zynqmp.md b/docs/plat/xilinx-zynqmp.md index 166b4e3c..2af841b1 100644 --- a/docs/plat/xilinx-zynqmp.md +++ b/docs/plat/xilinx-zynqmp.md @@ -26,6 +26,13 @@ make ERROR_DEPRECATED=1 RESET_TO_BL31=1 CROSS_COMPILE=aarch64-none-elf- PLAT=zyn * `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. +# FSBL->ATF Parameter Passing +The FSBL populates a data structure with image information for the ATF. The ATF +uses that data to hand off to the loaded images. The address of the handoff data +structure is passed in the ```PMU_GLOBAL.GLOBAL_GEN_STORAGE6``` register. The +register is free to be used by other software once the ATF is bringing up +further firmware images. + # Power Domain Tree The following power domain tree represents the power domain model used by the ATF for ZynqMP: |