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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/arch/arm/plat-iop/
1/*
2 * arch/arm/plat-iop/setup.c
3 *
4 * Author: Nicolas Pitre <nico@fluxnic.net>
5 * Copyright (C) 2001 MontaVista Software, Inc.
6 * Copyright (C) 2004 Intel Corporation.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#include <linux/mm.h>
14#include <linux/init.h>
15#include <asm/mach/map.h>
16#include <asm/hardware/iop3xx.h>
17
18/*
19 * Standard IO mapping for all IOP3xx based systems.  Note that
20 * the IOP3xx OCCDR must be mapped uncached and unbuffered.
21 */
22static struct map_desc iop3xx_std_desc[] __initdata = {
23	 {	/* mem mapped registers */
24		.virtual	= IOP3XX_PERIPHERAL_VIRT_BASE,
25		.pfn		= __phys_to_pfn(IOP3XX_PERIPHERAL_PHYS_BASE),
26		.length		= IOP3XX_PERIPHERAL_SIZE,
27		.type		= MT_UNCACHED,
28	 }, {	/* PCI IO space */
29		.virtual	= IOP3XX_PCI_LOWER_IO_VA,
30		.pfn		= __phys_to_pfn(IOP3XX_PCI_LOWER_IO_PA),
31		.length		= IOP3XX_PCI_IO_WINDOW_SIZE,
32		.type		= MT_DEVICE,
33	 },
34};
35
36void __init iop3xx_map_io(void)
37{
38	iotable_init(iop3xx_std_desc, ARRAY_SIZE(iop3xx_std_desc));
39}
40