[ARM] Rename ISA mach/dma.h header to mach/isa-dma.h

This avoids confusion with platform specific DMA implementations in
mach/dma.h

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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
index 000000000000..5bd4a0d338a8
--- /dev/null
+++ 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 */