[RFC,v3,10/11] wii: enable swiotlb

Submitted by Albert Herranz on March 7, 2010, 12:11 p.m.

Details

Message ID 1267963912-984-11-git-send-email-albert_herranz@yahoo.es
State Superseded
Headers show

Commit Message

Albert Herranz March 7, 2010, 12:11 p.m.
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@yahoo.es>
---
 arch/powerpc/platforms/embedded6xx/wii.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

Patch hide | download patch | download mbox

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)