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author | Alexei Fedorov <Alexei.Fedorov@arm.com> | 2020-01-23 17:16:07 +0000 |
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committer | TrustedFirmware Code Review <review@review.trustedfirmware.org> | 2020-01-23 17:16:07 +0000 |
commit | 208ebe7c915880dd7cf9ac16caba9ed6abc02ac8 (patch) | |
tree | 62b4056b5a499a837cea0cca878cd9d9532e0743 /docs | |
parent | 744a1d6e06492ef0a744fe0e0ffae8d05e2dad58 (diff) | |
parent | 31ce893ec29197c51e3814648ad0dd2acf4a31a7 (diff) | |
download | arm-trusted-firmware-208ebe7c915880dd7cf9ac16caba9ed6abc02ac8.tar.gz |
Merge "xilinx: versal: PLM to ATF handover" into integration
Diffstat (limited to 'docs')
-rw-r--r-- | docs/plat/xilinx-versal.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/docs/plat/xilinx-versal.rst b/docs/plat/xilinx-versal.rst index 95c89a8b2..57a363bc9 100644 --- a/docs/plat/xilinx-versal.rst +++ b/docs/plat/xilinx-versal.rst @@ -33,3 +33,11 @@ Xilinx Versal platform specific build options * `VERSAL_PLATFORM`: Select the platform. Options: - `versal_virt` : Versal Virtual platform + +# PLM->TF-A Parameter Passing +------------------------------ +The PLM populates a data structure with image information for the TF-A. The TF-A +uses that data to hand off to the loaded images. The address of the handoff +data structure is passed in the ```PMC_GLOBAL_GLOB_GEN_STORAGE4``` register. +The register is free to be used by other software once the TF-A is bringing up +further firmware images. |