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-rw-r--r--docs/plat/arm/fvp/index.rst5
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/plat/arm/fvp/index.rst b/docs/plat/arm/fvp/index.rst
index ea72962e8..235b7b687 100644
--- a/docs/plat/arm/fvp/index.rst
+++ b/docs/plat/arm/fvp/index.rst
@@ -142,6 +142,11 @@ Arm FVP Platform Specific Build Options
HW_CONFIG blob instead of the DTS file. This option is useful to override
the default HW_CONFIG selected by the build system.
+- ``FVP_GICR_REGION_PROTECTION``: Mark the redistributor pages of
+ inactive/fused CPU cores as read-only. The default value of this option
+ is ``0``, which means the redistributor pages of all CPU cores are marked
+ as read and write.
+
Booting Firmware Update images
------------------------------