From 9a865fff15931b5269778a20babcfd1b3f836f96 Mon Sep 17 00:00:00 2001
From: "Ira W. Snyder" <iws@ovro.caltech.edu>
Date: Tue, 1 Mar 2011 14:40:55 -0800
Subject: [PATCH] fsl_dma: fix support for 83xx DMA engine
Commit 359ec4931944adb885882deb9b781e4095eabc94 broke support for the
Freescale DMA engine on the 83xx parts. This is due to using registers
which do not exist on 83xx. Remove the attribute register accesses from
the 83xx build.
Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Cc: York Sun <yorksun@freescale.com>
Cc: Peter Tyser <ptyser@xes-inc.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
---
drivers/dma/fsl_dma.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/dma/fsl_dma.c b/drivers/dma/fsl_dma.c
index 09c18c1929..30785ecf98 100644
--- a/drivers/dma/fsl_dma.c
+++ b/drivers/dma/fsl_dma.c
@@ -116,10 +116,12 @@ int dmacpy(phys_addr_t dest, phys_addr_t src, phys_size_t count) {
out_dma32(&dma->dar, (u32) (dest & 0xFFFFFFFF));
out_dma32(&dma->sar, (u32) (src & 0xFFFFFFFF));
+#if !defined(CONFIG_MPC83xx)
out_dma32(&dma->satr,
in_dma32(&dma->satr) | (u32)((u64)src >> 32));
out_dma32(&dma->datr,
in_dma32(&dma->datr) | (u32)((u64)dest >> 32));
+#endif
out_dma32(&dma->bcr, xfer_size);
dma_sync();
--
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