ARM: mach-shmobile: ap4evb: Reserve DMA memory for the frame buffer

ap4evb board needs the same fix as
1740d3448012475f6b63172631c60cbcd1994a81
(ARM: mach-shmobile: mackerel: Reserve DMA memory for the frame buffer)

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index b4718b00e827b90e73edf01b252379cca75e4bcc..6e3fab69a5a08b071f2d9e055900cc838a834487 100644 (file)
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -1206,6 +1206,12 @@ static void __init ap4evb_map_io(void)
 {
        iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_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);
+
        /* setup early devices and console here as well */
        sh7372_add_early_devices();
        shmobile_setup_console();