diff options
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a7740.c | 7 |
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 */ |