Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / arm / mach-footbridge / include / mach / isa-dma.h

diff --git a/kernel/arch/arm/mach-footbridge/include/mach/isa-dma.h b/kernel/arch/arm/mach-footbridge/include/mach/isa-dma.h
new file mode 100644 (file)
index 0000000..5bd4a0d
--- /dev/null
+++ b/kernel/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 */