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

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The default 2MB size of DMA coherent memory isn't enough for allocate
frame buffer memory.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Laurent Pinchart 2012-03-01 15:45:16 +01:00 committed by Paul Mundt
parent e9db93a471
commit 1740d34480
1 changed files with 4 additions and 0 deletions
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4
arch/arm/mach-shmobile/board-mackerel.c
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@ -1352,6 +1352,10 @@ static struct map_desc mackerel_io_desc[] __initdata = {
static void __init mackerel_map_io(void)
{
iotable_init(mackerel_io_desc, ARRAY_SIZE(mackerel_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();