1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/devices/platform-dma.c b/arch/arm/plat-mxc/devices/platform-dma.c
new file mode 100644
index 00000000..7f731954
--- /dev/null
+++ b/arch/arm/plat-mxc/devices/platform-dma.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2011-2012 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License version 2 as published by the
+ * Free Software Foundation.
+ */
+#include <linux/compiler.h>
+#include <linux/err.h>
+#include <linux/init.h>
+
+#include <mach/hardware.h>
+#include <mach/devices-common.h>
+
+#ifdef CONFIG_SOC_IMX50
+const struct imx_dma_res_data imx50_dma_res_data __initconst = {
+	.iobase = MX50_APBHDMA_BASE_ADDR,
+};
+#endif
+
+#ifdef CONFIG_SOC_IMX6Q
+const struct imx_dma_res_data imx6q_dma_res_data __initconst = {
+	.iobase = APBH_DMA_ARB_BASE_ADDR,
+};
+#endif
+
+struct platform_device *__init imx_add_dma(
+			const struct imx_dma_res_data *data)
+{
+	struct resource res[] = {
+		{
+			.start = data->iobase,
+			.end = data->iobase + SZ_8K - 1,
+			.flags = IORESOURCE_MEM,
+		},
+	};
+
+	return imx_add_platform_device_dmamask("mxs-dma-apbh", -1,
+				res, ARRAY_SIZE(res), NULL, 0,
+				DMA_BIT_MASK(32));
+}