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/*
* Copyright (C) 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
*/
#include <linux/mm.h>
#include <linux/init.h>
#include <mach/hardware.h>
#include <asm/pgtable.h>
#include <asm/mach/map.h>
/*!
* @file mach-mx51/mm.c
*
* @brief This file creates static mapping between physical to virtual memory.
*
* @ingroup Memory_MX51
*/
/*!
* This structure defines the MX51 memory map.
*/
static struct map_desc mx5_io_desc[] __initdata = {
{
.virtual = AIPS1_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(AIPS1_BASE_ADDR),
.length = AIPS1_SIZE,
.type = MT_DEVICE},
{
.virtual = SPBA0_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(SPBA0_BASE_ADDR),
.length = SPBA0_SIZE,
.type = MT_DEVICE},
{
.virtual = AIPS2_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(AIPS2_BASE_ADDR),
.length = AIPS2_SIZE,
.type = MT_DEVICE},
{
.virtual = NFC_BASE_ADDR_AXI_VIRT,
.pfn = __phys_to_pfn(NFC_BASE_ADDR_AXI),
.length = NFC_AXI_SIZE,
.type = MT_DEVICE},
};
/*!
* This function initializes the memory map. It is called during the
* system startup to create static physical to virtual memory map for
* the IO modules.
*/
void __init mx5_map_io(void)
{
int i;
/* Fixup the mappings for MX53 */
if (cpu_is_mx53() || cpu_is_mx50()) {
for (i = 0; i < ARRAY_SIZE(mx5_io_desc); i++)
mx5_io_desc[i].pfn -= __phys_to_pfn(0x20000000);
}
iotable_init(mx5_io_desc, ARRAY_SIZE(mx5_io_desc));
}
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