[PATCH v4 10/11] wii: enable swiotlb

[Albert Herranz]

Enable the use of a software IO TLB on the Nintendo Wii video game console.

This is used by the platform DMA support code to overcome the limitations
found in some of the devices within the "Hollywood" chipset.

Signed-off-by: Albert Herranz <albert_herranz at yahoo.es>
---
 arch/powerpc/platforms/embedded6xx/wii.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/platforms/embedded6xx/wii.c b/arch/powerpc/platforms/embedded6xx/wii.c
index 57e5b60..6ad5c0a 100644
--- a/arch/powerpc/platforms/embedded6xx/wii.c
+++ b/arch/powerpc/platforms/embedded6xx/wii.c
@@ -164,6 +164,8 @@ static void __init wii_setup_arch(void)
 		clrbits32(hw_gpio + HW_GPIO_OUT(0),
 			  HW_GPIO_SLOT_LED | HW_GPIO_SENSOR_BAR);
 	}
+	swiotlb_set_default_size(1<<20); /* 1 MB */
+	ppc_swiotlb_enable = 1;
 }
 
 static void wii_restart(char *cmd)
-- 
1.6.3.3