diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c
index 8c9a29e322dc0dee0d0502e1d973838eb43e88b2..a00d2bc7246ae2c31c0f551aa4d5d4759824f4a0 100644
--- a/arch/arm/mach-mx5/cpu.c
+++ b/arch/arm/mach-mx5/cpu.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 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
@@ -92,6 +92,23 @@ static int __init mx51_neon_fixup(void)
 late_initcall(mx51_neon_fixup);
 #endif
 
+/*
+ * Returns:
+ *	the silicon revision of the cpu
+ *	-EINVAL - not a mx53
+ */
+int mx53_revision(void)
+{
+	if (!cpu_is_mx53())
+		return -EINVAL;
+
+	if (cpu_silicon_rev == -1)
+		query_silicon_parameter();
+
+	return cpu_silicon_rev;
+}
+EXPORT_SYMBOL(mx53_revision);
+
 static int __init post_cpu_init(void)
 {
 	unsigned int reg;
diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c
index 2822d0e6f23adc1ff6d30e4829ccf329a4298a95..cbaf282fb8182302d7ac2f881afa769adb4f8fbf 100644
--- a/arch/arm/mach-mx5/mm.c
+++ b/arch/arm/mach-mx5/mm.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 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
@@ -31,6 +31,15 @@ static struct map_desc mx51_io_desc[] __initdata = {
 	imx_map_entry(MX51, AIPS2, MT_DEVICE),
 };
 
+/*
+ * Define the MX53 memory map.
+ */
+static struct map_desc mx53_io_desc[] __initdata = {
+	imx_map_entry(MX53, AIPS1, MT_DEVICE),
+	imx_map_entry(MX53, SPBA0, MT_DEVICE),
+	imx_map_entry(MX53, AIPS2, MT_DEVICE),
+};
+
 /*
  * This function initializes the memory map. It is called during the
  * system startup to create static physical to virtual memory mappings
@@ -44,6 +53,14 @@ void __init mx51_map_io(void)
 	iotable_init(mx51_io_desc, ARRAY_SIZE(mx51_io_desc));
 }
 
+void __init mx53_map_io(void)
+{
+	mxc_set_cpu_type(MXC_CPU_MX53);
+	mxc_iomux_v3_init(MX53_IO_ADDRESS(MX53_IOMUXC_BASE_ADDR));
+	mxc_arch_reset_init(MX53_IO_ADDRESS(MX53_WDOG_BASE_ADDR));
+	iotable_init(mx53_io_desc, ARRAY_SIZE(mx53_io_desc));
+}
+
 int imx51_register_gpios(void);
 
 void __init mx51_init_irq(void)