sh: Fix SH-4 DMAC CHCR masking.

This patch fixes the DMA cascade by masking the correct bits.

Tested and working with Dreamcast PVR2 DMA. With this patch applied
the existing mainline code in arch/sh/drivers/dma/dma-sh.c works,
whereas before I was patching that to get round this problem.

Signed-off-by: Adrian McMenamin <adrian@mcmen.demon.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/include/asm-sh/cpu-sh4/dma.h b/include/asm-sh/cpu-sh4/dma.h
index 36e26a964765ebcb0bd994d31ffbe742d0d83ef3..aaf71b018c281399ade954200171fc60400c8f33 100644 (file)
--- a/include/asm-sh/cpu-sh4/dma.h
+++ b/include/asm-sh/cpu-sh4/dma.h
@@ -31,7 +31,7 @@
 #define TS_32          0x00000030
 #define TS_64          0x00000000
 
-#define CHCR_TS_MASK   0x30
+#define CHCR_TS_MASK   0x70
 #define CHCR_TS_SHIFT  4
 
 #define DMAOR_COD      0x00000008