• Home
  • History
  • Annotate
  • Line#
  • Navigate
  • Raw
  • Download
  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-mxc91231/
1/*
2 *  Copyright (C) 1999,2000 Arm Limited
3 *  Copyright (C) 2000 Deep Blue Solutions Ltd
4 *  Copyright (C) 2002 Shane Nay (shane@minirl.com)
5 *  Copyright 2004-2005 Freescale Semiconductor, Inc. All Rights Reserved.
6 *    - add MXC specific definitions
7 *  Copyright 2006 Motorola, Inc.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 * GNU General Public License for more details.
18 */
19
20#include <linux/mm.h>
21#include <linux/init.h>
22#include <mach/hardware.h>
23#include <mach/common.h>
24#include <asm/pgtable.h>
25#include <asm/mach/map.h>
26
27/*
28 * This structure defines the MXC memory map.
29 */
30static struct map_desc mxc_io_desc[] __initdata = {
31	{
32		.virtual	= MXC91231_L2CC_BASE_ADDR_VIRT,
33		.pfn		= __phys_to_pfn(MXC91231_L2CC_BASE_ADDR),
34		.length		= MXC91231_L2CC_SIZE,
35		.type		= MT_DEVICE,
36	}, {
37		.virtual	= MXC91231_X_MEMC_BASE_ADDR_VIRT,
38		.pfn		= __phys_to_pfn(MXC91231_X_MEMC_BASE_ADDR),
39		.length		= MXC91231_X_MEMC_SIZE,
40		.type		= MT_DEVICE,
41	}, {
42		.virtual	= MXC91231_ROMP_BASE_ADDR_VIRT,
43		.pfn		= __phys_to_pfn(MXC91231_ROMP_BASE_ADDR),
44		.length		= MXC91231_ROMP_SIZE,
45		.type		= MT_DEVICE,
46	}, {
47		.virtual	= MXC91231_AVIC_BASE_ADDR_VIRT,
48		.pfn		= __phys_to_pfn(MXC91231_AVIC_BASE_ADDR),
49		.length		= MXC91231_AVIC_SIZE,
50		.type		= MT_DEVICE,
51	}, {
52		.virtual	= MXC91231_AIPS1_BASE_ADDR_VIRT,
53		.pfn		= __phys_to_pfn(MXC91231_AIPS1_BASE_ADDR),
54		.length		= MXC91231_AIPS1_SIZE,
55		.type		= MT_DEVICE,
56	}, {
57		.virtual	= MXC91231_SPBA0_BASE_ADDR_VIRT,
58		.pfn		= __phys_to_pfn(MXC91231_SPBA0_BASE_ADDR),
59		.length		= MXC91231_SPBA0_SIZE,
60		.type		= MT_DEVICE,
61	}, {
62		.virtual	= MXC91231_SPBA1_BASE_ADDR_VIRT,
63		.pfn		= __phys_to_pfn(MXC91231_SPBA1_BASE_ADDR),
64		.length		= MXC91231_SPBA1_SIZE,
65		.type		= MT_DEVICE,
66	}, {
67		.virtual	= MXC91231_AIPS2_BASE_ADDR_VIRT,
68		.pfn		= __phys_to_pfn(MXC91231_AIPS2_BASE_ADDR),
69		.length		= MXC91231_AIPS2_SIZE,
70		.type		= MT_DEVICE,
71	},
72};
73
74/*
75 * This function initializes the memory map. It is called during the
76 * system startup to create static physical to virtual memory map for
77 * the IO modules.
78 */
79void __init mxc91231_map_io(void)
80{
81	mxc_set_cpu_type(MXC_CPU_MXC91231);
82
83	iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc));
84}
85
86int mxc91231_register_gpios(void);
87
88void __init mxc91231_init_irq(void)
89{
90	mxc91231_register_gpios();
91	mxc_init_irq(MXC91231_IO_ADDRESS(MXC91231_AVIC_BASE_ADDR));
92}
93