Like 4436a371 for 37xx, reserve the PSCI area memory region so kernels
can call the code there.
Region address is taken from the ATF code [1] and is 2MiB aligned.
[1] plat/marvell/a8k/common/include/platform_def.h
Signed-off-by: Emmanuel Vadot <manu@xxxxxxxxxxx>
---
arch/arm64/boot/dts/marvell/armada-ap806.dtsi | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
index 073610ac0a53..d8a79bb69de1 100644
--- a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
@@ -23,6 +23,21 @@
spi0 = &spi0;
};
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ /*
+ * The PSCI firmware region depicted below is the default one
+ * and should be updated by the bootloader.
+ */
+ psci-area@4000000 {
+ reg = <0 0x4000000 0 0x200000>;
+ no-map;
+ };
+ };
+
psci {
compatible = "arm,psci-0.2";
method = "smc";
--
2.19.0
