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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>
This commit is contained in:
Shawn Guo 2010-12-09 23:12:45 +08:00 committed by Uwe Kleine-König
parent 30a7585ff7
commit faff3dc947
2 changed files with 90 additions and 0 deletions
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45
arch/arm/mach-mxs/mm-mx23.c Normal file
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/*
* 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();
}

45
arch/arm/mach-mxs/mm-mx28.c Normal file
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/*
* 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();
}