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authorLen Brown <len.brown@intel.com>2011-01-12 18:06:06 -0500
committerLen Brown <len.brown@intel.com>2011-01-12 18:06:06 -0500
commit56dbed129df3fdd4caf9018b6e7599ee258a5420 (patch)
treeb902491aef3a99efe0d9d49edd0f6e414dba654f /arch/arm/mach-mx5/mm-mx50.c
parent2a2d31c8dc6f1ebcf5eab1d93a0cb0fb4ed57c7c (diff)
parentf878133bf022717b880d0e0995b8f91436fd605c (diff)
Merge branch 'linus' into idle-test
Diffstat (limited to 'arch/arm/mach-mx5/mm-mx50.c')
-rw-r--r--arch/arm/mach-mx5/mm-mx50.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/mm-mx50.c b/arch/arm/mach-mx5/mm-mx50.c
new file mode 100644
index 00000000000..8c6540e5839
--- /dev/null
+++ b/arch/arm/mach-mx5/mm-mx50.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * 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.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Create static mapping between physical to virtual memory.
+ */
+
+#include <linux/mm.h>
+#include <linux/init.h>
+
+#include <asm/mach/map.h>
+
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/iomux-v3.h>
+
+/*
+ * Define the MX50 memory map.
+ */
+static struct map_desc mx50_io_desc[] __initdata = {
+ imx_map_entry(MX50, TZIC, MT_DEVICE),
+ imx_map_entry(MX50, SPBA0, MT_DEVICE),
+ imx_map_entry(MX50, AIPS1, MT_DEVICE),
+ imx_map_entry(MX50, AIPS2, 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 mx50_map_io(void)
+{
+ mxc_set_cpu_type(MXC_CPU_MX50);
+ mxc_iomux_v3_init(MX50_IO_ADDRESS(MX50_IOMUXC_BASE_ADDR));
+ mxc_arch_reset_init(MX50_IO_ADDRESS(MX50_WDOG_BASE_ADDR));
+ iotable_init(mx50_io_desc, ARRAY_SIZE(mx50_io_desc));
+}
+
+int imx50_register_gpios(void);
+
+void __init mx50_init_irq(void)
+{
+ tzic_init_irq(MX50_IO_ADDRESS(MX50_TZIC_BASE_ADDR));
+ imx50_register_gpios();
+}