summaryrefslogtreecommitdiffstats
path: root/arch/m68k/coldfire/dma.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--arch/m68k/coldfire/dma.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/m68k/coldfire/dma.c b/arch/m68k/coldfire/dma.c
new file mode 100644
index 000000000..c3279f746
--- /dev/null
+++ b/arch/m68k/coldfire/dma.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0
+/***************************************************************************/
+
+/*
+ * dma.c -- Freescale ColdFire DMA support
+ *
+ * Copyright (C) 2007, Greg Ungerer (gerg@snapgear.com)
+ */
+
+/***************************************************************************/
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <asm/dma.h>
+#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+#include <asm/mcfdma.h>
+
+/***************************************************************************/
+
+/*
+ * DMA channel base address table.
+ */
+unsigned int dma_base_addr[MAX_M68K_DMA_CHANNELS] = {
+#ifdef MCFDMA_BASE0
+ MCFDMA_BASE0,
+#endif
+#ifdef MCFDMA_BASE1
+ MCFDMA_BASE1,
+#endif
+#ifdef MCFDMA_BASE2
+ MCFDMA_BASE2,
+#endif
+#ifdef MCFDMA_BASE3
+ MCFDMA_BASE3,
+#endif
+};
+EXPORT_SYMBOL(dma_base_addr);
+
+unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS];
+EXPORT_SYMBOL(dma_device_address);
+
+/***************************************************************************/