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-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index 9e0856b..ec8f9d9 100644
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -42,6 +42,7 @@
#include <linux/leds.h>
#include <linux/input/sh_keysc.h>
#include <linux/usb/r8a66597.h>
+#include <linux/dma-mapping.h>
#include <media/sh_mobile_ceu.h>
#include <media/sh_mobile_csi2.h>
@@ -1170,6 +1171,8 @@
static void __init ap4evb_map_io(void)
{
iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
+ /* DMA memory at 0xf6000000 - 0xffdfffff */
+ init_consistent_dma_size(158 << 20);
/* setup early devices and console here as well */
sh7372_add_early_devices();