sh: Wire up URAM node on SH7785.

Add SH7785 URAM as node 1, follows the SH-X3 change.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

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 @@ void __init plat_irq_setup_pins(int mode)
 		BUG();
 	}
 }
+
+void __init plat_mem_setup(void)
+{
+	/* Register the URAM space as Node 1 */
+	setup_bootmem_node(1, 0x055f0000, 0x05610000);
+}

arch/sh/mm/Kconfig

@@ -181,6 +181,8 @@ config CPU_SUBTYPE_SH7785
 	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"