--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
-@@ -76,6 +76,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
+@@ -78,6 +78,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
bcm4709-asus-rt-ac87u.dtb \
bcm4709-buffalo-wxr-1900dhp.dtb \
bcm4709-netgear-r7000.dtb \
bcm47094-dlink-dir-885l.dtb \
--- /dev/null
+++ b/arch/arm/boot/dts/bcm4709-netgear-r7900.dts
-@@ -0,0 +1,41 @@
+@@ -0,0 +1,42 @@
+/*
+ * Broadcom BCM470X / BCM5301X ARM platform code.
+ * DTS for Netgear R7900
+ };
+
+ memory {
-+ reg = <0x00000000 0x08000000>;
++ reg = <0x00000000 0x08000000
++ 0x88000000 0x08000000>;
+ };
+
+ axi@18000000 {