init android origin source code

1 files changed, 63 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/arch/arm/mach-mxs/mm.c b/ANDROID_3.4.5/arch/arm/mach-mxs/mm.c
new file mode 100644
index 00000000..50af5cee
--- /dev/null
+++ b/ANDROID_3.4.5/arch/arm/mach-mxs/mm.c
@@ -0,0 +1,63 @@
+/*
+ * 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
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * Create static mapping between physical to virtual memory.
+ */
+
+#include <linux/mm.h>
+#include <linux/init.h>
+
+#include <asm/mach/map.h>
+
+#include <mach/mx23.h>
+#include <mach/mx28.h>
+#include <mach/common.h>
+#include <mach/iomux.h>
+
+/*
+ * Define the MX23 memory map.
+ */
+static struct map_desc mx23_io_desc[] __initdata = {
+	mxs_map_entry(MX23, OCRAM, MT_DEVICE),
+	mxs_map_entry(MX23, IO, MT_DEVICE),
+};
+
+/*
+ * Define the MX28 memory map.
+ */
+static struct map_desc mx28_io_desc[] __initdata = {
+	mxs_map_entry(MX28, OCRAM, MT_DEVICE),
+	mxs_map_entry(MX28, IO, MT_DEVICE),
+};
+
+/*
+ * This function initializes the memory map. It is called during the
+ * system startup to create static physical to virtual memory mappings
+ * for the IO modules.
+ */
+void __init mx23_map_io(void)
+{
+	iotable_init(mx23_io_desc, ARRAY_SIZE(mx23_io_desc));
+}
+
+void __init mx23_init_irq(void)
+{
+	icoll_init_irq();
+}
+
+void __init mx28_map_io(void)
+{
+	iotable_init(mx28_io_desc, ARRAY_SIZE(mx28_io_desc));
+}
+
+void __init mx28_init_irq(void)
+{
+	icoll_init_irq();
+}