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author | Shawn Guo <shawn.guo@freescale.com> | 2010-12-09 23:12:45 +0800 |
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committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2010-12-20 17:30:23 +0100 |
commit | faff3dc947738ce7c905a4a2936a089d3fa9ddda (patch) | |
tree | 99942208a7dc88d1c0ddfac545e6f72aede35fba /arch/arm/mach-mxs/mm-mx28.c | |
parent | 30a7585ff7464ceb1dceb941700654923becb769 (diff) | |
download | op-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>
Diffstat (limited to 'arch/arm/mach-mxs/mm-mx28.c')
-rw-r--r-- | arch/arm/mach-mxs/mm-mx28.c | 45 |
1 files changed, 45 insertions, 0 deletions
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(); +} |