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-rw-r--r--arch/arm/mach-shmobile/setup-r8a7740.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/setup-r8a7740.c b/arch/arm/mach-shmobile/setup-r8a7740.c
index 34a1548..ec4eb49 100644
--- a/arch/arm/mach-shmobile/setup-r8a7740.c
+++ b/arch/arm/mach-shmobile/setup-r8a7740.c
@@ -18,6 +18,7 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/delay.h>
+#include <linux/dma-mapping.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
@@ -60,6 +61,12 @@ static struct map_desc r8a7740_io_desc[] __initdata = {
void __init r8a7740_map_io(void)
{
iotable_init(r8a7740_io_desc, ARRAY_SIZE(r8a7740_io_desc));
+
+ /*
+ * DMA memory at 0xff200000 - 0xffdfffff. The default 2MB size isn't
+ * enough to allocate the frame buffer memory.
+ */
+ init_consistent_dma_size(12 << 20);
}
/* SCIFA0 */