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>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c
index ce5c2513c6ce..167a67c5ca54 100644
--- a/arch/arm/mach-shmobile/board-ag5evm.c
+++ b/arch/arm/mach-shmobile/board-ag5evm.c
@@ -37,6 +37,7 @@
 #include <linux/mmc/sh_mobile_sdhi.h>
 #include <linux/mfd/tmio.h>
 #include <linux/sh_clk.h>
+#include <linux/dma-mapping.h>
 #include <video/sh_mobile_lcdc.h>
 #include <video/sh_mipi_dsi.h>
 #include <sound/sh_fsi.h>
@@ -446,6 +447,8 @@ static struct map_desc ag5evm_io_desc[] __initdata = {
 static void __init ag5evm_map_io(void)
 {
         iotable_init(ag5evm_io_desc, ARRAY_SIZE(ag5evm_io_desc));
+        /* DMA memory at 0xf6000000 - 0xffdfffff */
+        init_consistent_dma_size(158 << 20);
 
         /* setup early devices and console here as well */
         sh73a0_add_early_devices();