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/*
* arch/arm/mach-imx/mm-imx21.c
*
* Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
*
* 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.
*/
#include <linux/mm.h>
#include <linux/init.h>
#include <mach/hardware.h>
#include <mach/common.h>
#include <asm/pgtable.h>
#include <asm/mach/map.h>
/* MX21 memory map definition */
static struct map_desc imx21_io_desc[] __initdata = {
/*
* this fixed mapping covers:
* - AIPI1
* - AIPI2
* - AITC
* - ROM Patch
* - and some reserved space
*/
{
.virtual = MX21_AIPI_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(MX21_AIPI_BASE_ADDR),
.length = MX21_AIPI_SIZE,
.type = MT_DEVICE
},
/*
* this fixed mapping covers:
* - CSI
* - ATA
*/
{
.virtual = MX21_SAHB1_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(MX21_SAHB1_BASE_ADDR),
.length = MX21_SAHB1_SIZE,
.type = MT_DEVICE
},
/*
* this fixed mapping covers:
* - EMI
*/
{
.virtual = MX21_X_MEMC_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(MX21_X_MEMC_BASE_ADDR),
.length = MX21_X_MEMC_SIZE,
.type = MT_DEVICE
},
};
/*
* Initialize the memory map. It is called during the
* system startup to create static physical to virtual
* memory map for the IO modules.
*/
void __init mx21_map_io(void)
{
mxc_set_cpu_type(MXC_CPU_MX21);
mxc_arch_reset_init(MX21_IO_ADDRESS(MX21_WDOG_BASE_ADDR));
iotable_init(imx21_io_desc, ARRAY_SIZE(imx21_io_desc));
}
void __init mx21_init_irq(void)
{
mxc_init_irq(MX21_IO_ADDRESS(MX21_AVIC_BASE_ADDR));
}
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