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Diffstat (limited to 'arch/arm/mach-h720x/include/mach/dma.h')
-rw-r--r--arch/arm/mach-h720x/include/mach/dma.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/mach-h720x/include/mach/dma.h b/arch/arm/mach-h720x/include/mach/dma.h
new file mode 100644
index 000000000000..0a9d86ee84fe
--- /dev/null
+++ b/arch/arm/mach-h720x/include/mach/dma.h
@@ -0,0 +1,26 @@
+/*
+ * arch/arm/mach-h720x/include/mach/dma.h
+ *
+ * Architecture DMA routes
+ *
+ * Copyright (C) 1997.1998 Russell King
+ */
+#ifndef __ASM_ARCH_DMA_H
+#define __ASM_ARCH_DMA_H
+
+/*
+ * This is the maximum DMA address that can be DMAd to.
+ * There should not be more than (0xd0000000 - 0xc0000000)
+ * bytes of RAM.
+ */
+#define MAX_DMA_ADDRESS 0xd0000000
+
+#if defined (CONFIG_CPU_H7201)
+#define MAX_DMA_CHANNELS 3
+#elif defined (CONFIG_CPU_H7202)
+#define MAX_DMA_CHANNELS 4
+#else
+#error processor definition missmatch
+#endif
+
+#endif /* __ASM_ARCH_DMA_H */