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authorArnd Bergmann <arnd@arndb.de>2012-05-15 10:33:20 +0200
committerArnd Bergmann <arnd@arndb.de>2012-05-15 10:33:20 +0200
commitbe944f1e79063e4f27b46c74f10c86b2387afa9f (patch)
treeb967deea15c20b01e13c6a3879c0c377ebca5a48 /arch/arm/mach-shmobile/setup-r8a7740.c
parent98a5f124b69c259b0698a3f8e8720c87df3b15ad (diff)
parent4fc5e65cdbf736a5311b07aa54a916ccaa91ab5f (diff)
Merge branch 'board-new' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/renesas into next/boards
"Rafael J. Wysocki" <rjw@sisk.pl> writes: Renesas ARM-based platforms: new boards support for v3.5 * Support for the KZM-A9-GT board from Kuninori Morimoto and Magnus Damm. * Support for the armadillo800eva board from Kuninori Morimoto and Magnus Damm. This is based on the Renesas core SoC code updates I've sent a separate pull request for. * 'board-new' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/renesas: (29 commits) ARM: mach-shmobile: Use DT_MACHINE for armadillo 800 eva ARM: mach-shmobile: Use DT_MACHINE for KZM9G ARM: mach-shmobile: kzm9g: enable SMP boot ARM: mach-shmobile: kzm9g: defconfig update ARM: mach-shmobile: kzm9g: add PCF8757 gpio-key ARM: mach-shmobile: kzm9g: add SDHI support ARM: mach-shmobile: kzm9g: add MMCIF support ARM: mach-shmobile: kzm9g: correct screen direction ARM: mach-shmobile: sh73a0.h: add GPIO_NR ARM: mach-shmobile: pfc-sh73a0: fixup MSEL2CR MSEL18 for I2C-3 ARM: mach-shmobile: kzm9g: add ST1232 Touchscreen support ARM: mach-shmobile: kzm9g: add LCDC support ARM: mach-shmobile: kzm9g: add external USB Host support ARM: mach-shmobile: kzm9g: add SMSC 9221 support ARM: mach-shmobile: kzm9g: add defconfig ARM: mach-shmobile: add KZM-A9-GT board support ARM: mach-shmobile: armadillo800eva: defconfig update ARM: mach-shmobile: clock-r8a7740: add sh-eth clock ARM: mach-shmobile: r8a7740: reserve DMA memory for the frame buffer ARM: mach-shmobile: armadillo800eva: add MMCIF support ... Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-shmobile/setup-r8a7740.c')
-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 34a1548dbda..ec4eb49c169 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 */