kernel_optimize_test/arch/arm/mach-mxc91231/mm.c
Uwe Kleine-König 08ff97b521 ARM: imx: use MXxy_IO_P2V macros to setup static mappings
This makes less code rely on the virtual constants.

To further simplify code and reduce the needed boilerplate when
defining the static mappings a new helper macro is defined in
mach/hardware.h.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2010-11-17 08:58:09 +01:00

60 lines
1.8 KiB
C

/*
* Copyright (C) 1999,2000 Arm Limited
* Copyright (C) 2000 Deep Blue Solutions Ltd
* Copyright (C) 2002 Shane Nay (shane@minirl.com)
* Copyright 2004-2005 Freescale Semiconductor, Inc. All Rights Reserved.
* - add MXC specific definitions
* Copyright 2006 Motorola, Inc.
*
* 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.
*/
#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>
/*
* This structure defines the MXC memory map.
*/
static struct map_desc mxc91231_io_desc[] __initdata = {
imx_map_entry(MXC91231, L2CC, MT_DEVICE),
imx_map_entry(MXC91231, X_MEMC, MT_DEVICE),
imx_map_entry(MXC91231, ROMP, MT_DEVICE),
imx_map_entry(MXC91231, AVIC, MT_DEVICE),
imx_map_entry(MXC91231, AIPS1, MT_DEVICE),
imx_map_entry(MXC91231, SPBA0, MT_DEVICE),
imx_map_entry(MXC91231, SPBA1, MT_DEVICE),
imx_map_entry(MXC91231, AIPS2, 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 mxc91231_map_io(void)
{
mxc_set_cpu_type(MXC_CPU_MXC91231);
iotable_init(mxc91231_io_desc, ARRAY_SIZE(mxc91231_io_desc));
}
int mxc91231_register_gpios(void);
void __init mxc91231_init_irq(void)
{
mxc91231_register_gpios();
mxc_init_irq(MXC91231_IO_ADDRESS(MXC91231_AVIC_BASE_ADDR));
}