arm64: dts: meson-g12: add ATF BL32 reserved-memory region

Add an additional reserved memory region for the BL32 trusted firmware
present in many devices that boot from Amlogic vendor u-boot.

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20220126044954.19069-3-christianshewitt@gmail.com

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index 517519e6e87f147a2b613d793e6ad9e851870452..f84d4b489e0bad31810364804e8f076b98757d6a 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -107,6 +107,12 @@
                        no-map;
                };
 
+               /* 32 MiB reserved for ARM Trusted Firmware (BL32) */
+               secmon_reserved_bl32: secmon@5300000 {
+                       reg = <0x0 0x05300000 0x0 0x2000000>;
+                       no-map;
+               };
+
                linux,cma {
                        compatible = "shared-dma-pool";
                        reusable;