Add support for the i.MX53 QSB2.6.35.3-mx53-early-201103141049

This patch seems to have originated from the 11.01.00 release
from Freescale, which is no longer available except through the
gitweb interface from Freescale.

http://opensource.freescale.com/git?p=imx/linux-2.6-imx.git;a=commit;h=27fdf7bae11978d21e8aba09bb635f49b07edd4a

1 files changed, 42 insertions, 0 deletions

diff --git a/arch/arm/plat-mxc/io.c b/arch/arm/plat-mxc/io.c
new file mode 100644
index 000000000000..fd3d9dfca355
--- /dev/null
+++ b/arch/arm/plat-mxc/io.c
@@ -0,0 +1,42 @@
+/*
+ *  Copyright 2007-2010 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
+ */
+
+/*
+ * mxc custom ioremap implementation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <mach/hardware.h>
+#include <linux/io.h>
+
+void *__iomem __mxc_ioremap(unsigned long cookie, size_t size,
+			    unsigned int mtype)
+{
+#ifdef CONFIG_ARCH_MX3
+	if (cpu_is_mx3() && (mtype == MT_DEVICE) && (cookie < 0x80000000 && cookie != MX3x_L2CC_BASE_ADDR))
+		mtype = MT_DEVICE_NONSHARED;
+#endif
+	return __arm_ioremap(cookie, size, mtype);
+}
+
+EXPORT_SYMBOL(__mxc_ioremap);
+
+void __mxc_iounmap(void __iomem *addr)
+{
+	extern void __iounmap(volatile void __iomem *addr);
+
+	__iounmap(addr);
+}
+
+EXPORT_SYMBOL(__mxc_iounmap);