Next try. ARC tree import. "New" Mips (spim) ARC compliant systems tree.

This tree will eventually suport viritualy all ARC compliant Mips systems,
that is all we can lay our hands on for porting/testing. It will supersede
the pica tree which will be removed shortly when this tree is functioning.

1 files changed, 22 insertions, 0 deletions

diff --git a/sys/arch/arc/isa/isadmareg.h b/sys/arch/arc/isa/isadmareg.h
new file mode 100644
index 00000000000..185016060f2
--- /dev/null
+++ b/sys/arch/arc/isa/isadmareg.h
@@ -0,0 +1,22 @@
+/*	$NetBSD: isadmareg.h,v 1.4 1995/06/28 04:31:48 cgd Exp $	*/
+
+#include <dev/ic/i8237reg.h>
+
+#define	DMA_NREG	16
+/*
+ * Register definitions for DMA controller 1 (channels 0..3):
+ */
+#define	DMA1_CHN(c)	(1*(2*(c)))	/* addr reg for channel c */
+#define	DMA1_SR		(1*8)		/* status register */
+#define	DMA1_SMSK	(1*10)		/* single mask register */
+#define	DMA1_MODE	(1*11)		/* mode register */
+#define	DMA1_FFC	(1*12)		/* clear first/last FF */
+
+/*
+ * Register definitions for DMA controller 2 (channels 4..7):
+ */
+#define	DMA2_CHN(c)	(2*(2*(c)))	/* addr reg for channel c */
+#define	DMA2_SR		(2*8)		/* status register */
+#define	DMA2_SMSK	(2*10)		/* single mask register */
+#define	DMA2_MODE	(2*11)		/* mode register */
+#define	DMA2_FFC	(2*12)		/* clear first/last FF */