init android origin source code

1 files changed, 52 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/arch/m32r/mm/ioremap-nommu.c b/ANDROID_3.4.5/arch/m32r/mm/ioremap-nommu.c
new file mode 100644
index 00000000..2759f2d4
--- /dev/null
+++ b/ANDROID_3.4.5/arch/m32r/mm/ioremap-nommu.c
@@ -0,0 +1,52 @@
+/*
+ *  linux/arch/m32r/mm/ioremap-nommu.c
+ *
+ *  Copyright (c) 2001, 2002  Hiroyuki Kondo
+ *
+ *  Taken from mips version.
+ *    (C) Copyright 1995 1996 Linus Torvalds
+ *    (C) Copyright 2001 Ralf Baechle
+ */
+
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ */
+
+#include <linux/module.h>
+#include <asm/addrspace.h>
+#include <asm/byteorder.h>
+
+#include <linux/vmalloc.h>
+#include <asm/io.h>
+#include <asm/pgalloc.h>
+#include <asm/cacheflush.h>
+#include <asm/tlbflush.h>
+
+
+/*
+ * Remap an arbitrary physical address space into the kernel virtual
+ * address space. Needed when the kernel wants to access high addresses
+ * directly.
+ *
+ * NOTE! We need to allow non-page-aligned mappings too: we will obviously
+ * have to convert them into an offset in a page-aligned mapping, but the
+ * caller shouldn't need to know that small detail.
+ */
+
+#define IS_LOW512(addr) (!((unsigned long)(addr) & ~0x1fffffffUL))
+
+void __iomem *
+__ioremap(unsigned long phys_addr, unsigned long size, unsigned long flags)
+{
+	return (void *)phys_addr;
+}
+
+#define IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == KSEG1)
+
+void iounmap(volatile void __iomem *addr)
+{
+}
+