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 <[email protected]> Reviewed-by: Neil Armstrong <[email protected]> Reviewed-by: Kevin Hilman <[email protected]> Signed-off-by: Neil Armstrong <[email protected]> Link: https://lore.kernel.org/r/[email protected]
rountree · Feb 4, 2022 · 08982a1 · 08982a1
1 parent 76577c9
commit 08982a1
Showing 1 changed file with 6 additions and 0 deletions.
diff --git 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;