diff --git a/arch/arm/boot/dts/berlin2cd-google-chromecast.dts b/arch/arm/boot/dts/berlin2cd-google-chromecast.dts
index ca24def0ce13..f1767c8a6826 100644
--- a/arch/arm/boot/dts/berlin2cd-google-chromecast.dts
+++ b/arch/arm/boot/dts/berlin2cd-google-chromecast.dts
@@ -52,7 +52,17 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x00000000 0x20000000>; /* 512 MB */
+
+		/*
+		 * We're using "linux,usable-memory" instead of "reg" here
+		 * because the (signed and encrypted) bootloader that shipped
+		 * with this device provides an incorrect memory range in
+		 * ATAG_MEM. Linux helpfully overrides the "reg" property with
+		 * data from the ATAG, so we can't specify the proper range
+		 * normally. Fortunately, this alternate property is checked
+		 * first by the OF driver, so we can (ab)use it instead.
+		 */
+		linux,usable-memory = <0x00000000 0x20000000>; /* 512 MB */
 	};
 
 	leds {