1 files changed, 67 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c
new file mode 100644
index 000000000000..04881ee530d7
--- /dev/null
+++ b/arch/arm/mach-mx5/mm.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License.  You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <mach/hardware.h>
+#include <asm/pgtable.h>
+#include <asm/mach/map.h>
+#include <mach/iomux-v3.h>
+
+/*!
+ * @file mach-mx51/mm.c
+ *
+ * @brief This file creates static mapping between physical to virtual memory.
+ *
+ * @ingroup Memory_MX51
+ */
+
+/*!
+ * This structure defines the MX51 memory map.
+ */
+static struct map_desc mx5_io_desc[] __initdata = {
+	{
+	 .virtual = AIPS1_BASE_ADDR_VIRT,
+	 .pfn = __phys_to_pfn(AIPS1_BASE_ADDR),
+	 .length = AIPS1_SIZE,
+	 .type = MT_DEVICE},
+	{
+	 .virtual = SPBA0_BASE_ADDR_VIRT,
+	 .pfn = __phys_to_pfn(SPBA0_BASE_ADDR),
+	 .length = SPBA0_SIZE,
+	 .type = MT_DEVICE},
+	{
+	 .virtual = AIPS2_BASE_ADDR_VIRT,
+	 .pfn = __phys_to_pfn(AIPS2_BASE_ADDR),
+	 .length = AIPS2_SIZE,
+	 .type = MT_DEVICE},
+};
+
+/*!
+ * This function initializes the memory map. It is called during the
+ * system startup to create static physical to virtual memory map for
+ * the IO modules.
+ */
+void __init mx5_map_io(void)
+{
+	int i;
+
+	mxc_iomux_v3_init(IO_ADDRESS(IOMUXC_BASE_ADDR));
+	/* Fixup the mappings for MX53 */
+	if (cpu_is_mx53() || cpu_is_mx50()) {
+		for (i = 0; i < ARRAY_SIZE(mx5_io_desc); i++)
+			mx5_io_desc[i].pfn -= __phys_to_pfn(0x20000000);
+	}
+
+	iotable_init(mx5_io_desc, ARRAY_SIZE(mx5_io_desc));
+}