ARM: mach-shmobile: Setup consistent dma size at boot time

Signed-off-by: Jon Medhurst <tixy@yxit.co.uk>
CC: Paul Mundt <lethal@linux-sh.org>
CC: Magnus Damm <magnus.damm@gmail.com>
diff --git a/arch/arm/mach-shmobile/board-g3evm.c b/arch/arm/mach-shmobile/board-g3evm.c
index ef4613b..8b620bf 100644
--- a/arch/arm/mach-shmobile/board-g3evm.c
+++ b/arch/arm/mach-shmobile/board-g3evm.c
@@ -32,6 +32,7 @@
 #include <linux/gpio.h>
 #include <linux/input.h>
 #include <linux/input/sh_keysc.h>
+#include <linux/dma-mapping.h>
 #include <mach/sh7367.h>
 #include <mach/common.h>
 #include <asm/mach-types.h>
@@ -260,6 +261,8 @@
 static void __init g3evm_map_io(void)
 {
 	iotable_init(g3evm_io_desc, ARRAY_SIZE(g3evm_io_desc));
+	/* DMA memory at 0xf6000000 - 0xffdfffff */
+	init_consistent_dma_size(158 << 20);
 
 	/* setup early devices and console here as well */
 	sh7367_add_early_devices();