build(psci): add build option for OS-initiated mode
Change-Id: Ie4f7b6a36926ab075ebb9c6507a3ff48ce5538fe
Signed-off-by: Wing Li <wingers@google.com>
diff --git a/Makefile b/Makefile
index b9ca664..46361f7 100644
--- a/Makefile
+++ b/Makefile
@@ -1114,6 +1114,7 @@
PLAT_RSS_NOT_SUPPORTED \
PROGRAMMABLE_RESET_ADDRESS \
PSCI_EXTENDED_STATE_ID \
+ PSCI_OS_INIT_MODE \
RESET_TO_BL31 \
RESET_TO_BL31_WITH_PARAMS \
SAVE_KEYS \
@@ -1256,6 +1257,7 @@
PLAT_RSS_NOT_SUPPORTED \
PROGRAMMABLE_RESET_ADDRESS \
PSCI_EXTENDED_STATE_ID \
+ PSCI_OS_INIT_MODE \
RAS_EXTENSION \
RESET_TO_BL31 \
RESET_TO_BL31_WITH_PARAMS \
diff --git a/docs/getting_started/build-options.rst b/docs/getting_started/build-options.rst
index abfc8ec..7dd8d92 100644
--- a/docs/getting_started/build-options.rst
+++ b/docs/getting_started/build-options.rst
@@ -740,6 +740,9 @@
enabled on Arm platforms, the option ``ARM_RECOM_STATE_ID_ENC`` needs to be
set to 1 as well.
+- ``PSCI_OS_INIT_MODE``: Boolean flag to enable support for optional PSCI
+ OS-initiated mode. This option defaults to 0.
+
- ``RAS_EXTENSION``: Numeric value to enable Armv8.2 RAS features. RAS features
are an optional extension for pre-Armv8.2 CPUs, but are mandatory for Armv8.2
or later CPUs. This flag can take the values 0 to 2, to align with the
diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk
index d8c6210..1923d19 100644
--- a/make_helpers/defaults.mk
+++ b/make_helpers/defaults.mk
@@ -258,6 +258,9 @@
# Flag used to choose the power state format: Extended State-ID or Original
PSCI_EXTENDED_STATE_ID := 0
+# Enable PSCI OS-initiated mode support
+PSCI_OS_INIT_MODE := 0
+
# Enable RAS support
RAS_EXTENSION := 0