init android origin source code

1 files changed, 46 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/arch/arm/mach-tegra/include/mach/io.h b/ANDROID_3.4.5/arch/arm/mach-tegra/include/mach/io.h
new file mode 100644
index 00000000..fe700f9c
--- /dev/null
+++ b/ANDROID_3.4.5/arch/arm/mach-tegra/include/mach/io.h
@@ -0,0 +1,46 @@
+/*
+ * arch/arm/mach-tegra/include/mach/io.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ *	Colin Cross <ccross@google.com>
+ *	Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_TEGRA_IO_H
+#define __MACH_TEGRA_IO_H
+
+#define IO_SPACE_LIMIT 0xffff
+
+#ifndef __ASSEMBLER__
+
+#ifdef CONFIG_TEGRA_PCI
+extern void __iomem *tegra_pcie_io_base;
+
+static inline void __iomem *__io(unsigned long addr)
+{
+	return tegra_pcie_io_base + (addr & IO_SPACE_LIMIT);
+}
+#else
+static inline void __iomem *__io(unsigned long addr)
+{
+	return (void __iomem *)addr;
+}
+#endif
+
+#define __io(a)         __io(a)
+
+#endif
+
+#endif