diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
index 486dabe..267114d 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
@@ -11,6 +11,8 @@
 #include <linux/init.h>
 #include <linux/serial.h>
 #include <linux/io.h>
+#include <linux/mm.h>
+#include <asm/mmzone.h>
 #include <asm/sci.h>
 
 static struct plat_sci_port sci_platform_data[] = {
@@ -349,3 +351,9 @@
 		BUG();
 	}
 }
+
+void __init plat_mem_setup(void)
+{
+	/* Register the URAM space as Node 1 */
+	setup_bootmem_node(1, 0x055f0000, 0x05610000);
+}
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 96775ff..5aaf624 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -181,6 +181,8 @@
 	bool "Support SH7785 processor"
 	select CPU_SH4A
 	select CPU_SHX2
+	select ARCH_SPARSEMEM_ENABLE
+	select SYS_SUPPORTS_NUMA
 
 config CPU_SUBTYPE_SHX3
 	bool "Support SH-X3 processor"