Commit 5d9df8ee authored Oct 08, 2007 by Adrian McMenamin Committed by Paul Mundt Oct 08, 2007

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>

parent 6cc15e9f

include/asm-sh/cpu-sh4/dma.h

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -31,7 +31,7 @@
	#define TS_32 0x00000030		#define TS_32 0x00000030
	#define TS_64 0x00000000		#define TS_64 0x00000000

	#define CHCR_TS_MASK 0x30		#define CHCR_TS_MASK 0x70
	#define CHCR_TS_SHIFT 4		#define CHCR_TS_SHIFT 4

	#define DMAOR_COD 0x00000008		#define DMAOR_COD 0x00000008