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-rw-r--r--arch/arm/mach-footbridge/include/mach/isa-dma.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm/mach-footbridge/include/mach/isa-dma.h b/arch/arm/mach-footbridge/include/mach/isa-dma.h
new file mode 100644
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+++ b/arch/arm/mach-footbridge/include/mach/isa-dma.h
@@ -0,0 +1,25 @@
+/*
+ * arch/arm/mach-footbridge/include/mach/isa-dma.h
+ *
+ * Architecture DMA routines
+ *
+ * Copyright (C) 1998,1999 Russell King
+ * Copyright (C) 1998,1999 Philip Blundell
+ */
+#ifndef __ASM_ARCH_DMA_H
+#define __ASM_ARCH_DMA_H
+
+/*
+ * The 21285 has two internal DMA channels; we call these 8 and 9.
+ * On CATS hardware we have an additional eight ISA dma channels
+ * numbered 0..7.
+ */
+#define _ISA_DMA(x) (0+(x))
+#define _DC21285_DMA(x) (8+(x))
+
+#define MAX_DMA_CHANNELS 10
+
+#define DMA_FLOPPY _ISA_DMA(2)
+#define DMA_ISA_CASCADE _ISA_DMA(4)
+
+#endif /* _ASM_ARCH_DMA_H */
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