From: York Sun <yorksun@freescale.com>
Date: Fri, 27 Aug 2010 21:25:50 +0000 (-0500)
Subject: powerpc/8xxx: Fix dma for 36bit addressing
X-Git-Tag: v2010.09-rc1~8
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=359ec4931944adb885882deb9b781e4095eabc94;p=kernel%2Fu-boot.git

powerpc/8xxx: Fix dma for 36bit addressing

Use more bits to support 36-bit addressing

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---

diff --git a/drivers/dma/fsl_dma.c b/drivers/dma/fsl_dma.c
index df33e7a..09c18c1 100644
--- a/drivers/dma/fsl_dma.c
+++ b/drivers/dma/fsl_dma.c
@@ -114,8 +114,12 @@ int dmacpy(phys_addr_t dest, phys_addr_t src, phys_size_t count) {
 	while (count) {
 		xfer_size = MIN(FSL_DMA_MAX_SIZE, count);
 
-		out_dma32(&dma->dar, (uint) dest);
-		out_dma32(&dma->sar, (uint) src);
+		out_dma32(&dma->dar, (u32) (dest & 0xFFFFFFFF));
+		out_dma32(&dma->sar, (u32) (src & 0xFFFFFFFF));
+		out_dma32(&dma->satr,
+			in_dma32(&dma->satr) | (u32)((u64)src >> 32));
+		out_dma32(&dma->datr,
+			in_dma32(&dma->datr) | (u32)((u64)dest >> 32));
 		out_dma32(&dma->bcr, xfer_size);
 		dma_sync();