summaryrefslogtreecommitdiff
path: root/include/asm-arm/arch-ebsa285/dma.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/asm-arm/arch-ebsa285/dma.h
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'include/asm-arm/arch-ebsa285/dma.h')
-rw-r--r--include/asm-arm/arch-ebsa285/dma.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ebsa285/dma.h b/include/asm-arm/arch-ebsa285/dma.h
new file mode 100644
index 00000000000..c43046eb8bc
--- /dev/null
+++ b/include/asm-arm/arch-ebsa285/dma.h
@@ -0,0 +1,30 @@
+/*
+ * linux/include/asm-arm/arch-ebsa285/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
+
+/*
+ * This is the maximum DMA address that can be DMAd to.
+ */
+#define MAX_DMA_ADDRESS 0xffffffff
+
+/*
+ * 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 */