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authorArnd Bergmann <arnd@arndb.de>2011-11-01 17:12:22 +0100
committerArnd Bergmann <arnd@arndb.de>2011-11-01 17:12:22 +0100
commitc72dbae971400e466ad9ff16c920cd6d9d8c55a1 (patch)
tree7a0ebba8b14d889a8b42edfa1272be222b908a82 /arch/arm/mach-mxs/mm.c
parent7e1efcf5d2039fb7a91e21df32f4175dbca4d61c (diff)
parentb4cbb8a4e602ea77b0525d06eff89c6a6070dab3 (diff)
Merge branch 'imx/devel' into next/dt
The board changes in the imx/devel branch conflict with other changes in the device imx/dt branch. Conflicts: arch/arm/mach-mx5/board-mx53_loco.c arch/arm/mach-mx5/board-mx53_smd.c arch/arm/plat-mxc/include/mach/common.h arch/arm/plat-mxc/include/mach/memory.h Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-mxs/mm.c')
-rw-r--r--arch/arm/mach-mxs/mm.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/mm.c b/arch/arm/mach-mxs/mm.c
new file mode 100644
index 00000000000..50af5ceebf6
--- /dev/null
+++ b/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();
+}