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authorShawn Guo <shawn.guo@freescale.com>2010-12-09 23:12:45 +0800
committerUwe Kleine-König <u.kleine-koenig@pengutronix.de>2010-12-20 17:30:23 +0100
commitfaff3dc947738ce7c905a4a2936a089d3fa9ddda (patch)
tree99942208a7dc88d1c0ddfac545e6f72aede35fba
parent30a7585ff7464ceb1dceb941700654923becb769 (diff)
downloadop-kernel-dev-faff3dc947738ce7c905a4a2936a089d3fa9ddda.zip
op-kernel-dev-faff3dc947738ce7c905a4a2936a089d3fa9ddda.tar.gz
ARM: mxs: Add static memory mapping
Create static memory mapping for MX23 and MX28. Signed-off-by: Shawn Guo <shawn.guo@freescale.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
-rw-r--r--arch/arm/mach-mxs/mm-mx23.c45
-rw-r--r--arch/arm/mach-mxs/mm-mx28.c45
2 files changed, 90 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/mm-mx23.c b/arch/arm/mach-mxs/mm-mx23.c
new file mode 100644
index 0000000..5148cd6
--- /dev/null
+++ b/arch/arm/mach-mxs/mm-mx23.c
@@ -0,0 +1,45 @@
+/*
+ * 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/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),
+};
+
+/*
+ * 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();
+ mx23_register_gpios();
+}
diff --git a/arch/arm/mach-mxs/mm-mx28.c b/arch/arm/mach-mxs/mm-mx28.c
new file mode 100644
index 0000000..7e4cea3
--- /dev/null
+++ b/arch/arm/mach-mxs/mm-mx28.c
@@ -0,0 +1,45 @@
+/*
+ * 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/mx28.h>
+#include <mach/common.h>
+#include <mach/iomux.h>
+
+/*
+ * 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 mx28_map_io(void)
+{
+ iotable_init(mx28_io_desc, ARRAY_SIZE(mx28_io_desc));
+}
+
+void __init mx28_init_irq(void)
+{
+ icoll_init_irq();
+ mx28_register_gpios();
+}
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