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-rw-r--r--arch/arm/plat-mxc/include/mach/io.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/io.h b/arch/arm/plat-mxc/include/mach/io.h
new file mode 100644
index 0000000..5d4cb11
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/io.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2004-2007 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.
+ */
+
+#ifndef __ASM_ARCH_MXC_IO_H__
+#define __ASM_ARCH_MXC_IO_H__
+
+/* Allow IO space to be anywhere in the memory */
+#define IO_SPACE_LIMIT 0xffffffff
+
+#ifdef CONFIG_ARCH_MX3
+#define __arch_ioremap __mx3_ioremap
+#define __arch_iounmap __iounmap
+
+static inline void __iomem *
+__mx3_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
+{
+ if (mtype == MT_DEVICE) {
+ /* Access all peripherals below 0x80000000 as nonshared device
+ * but leave l2cc alone.
+ */
+ if ((phys_addr < 0x80000000) && ((phys_addr < L2CC_BASE_ADDR) ||
+ (phys_addr >= L2CC_BASE_ADDR + L2CC_SIZE)))
+ mtype = MT_DEVICE_NONSHARED;
+ }
+
+ return __arm_ioremap(phys_addr, size, mtype);
+}
+#endif
+
+/* io address mapping macro */
+#define __io(a) ((void __iomem *)(a))
+
+#define __mem_pci(a) (a)
+
+#endif
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