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hardware.h
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1 /*
2  * arch/arm/mach-realview/include/mach/hardware.h
3  *
4  * This file contains the hardware definitions of the RealView boards.
5  *
6  * Copyright (C) 2003 ARM Limited.
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 as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21  */
22 #ifndef __ASM_ARCH_HARDWARE_H
23 #define __ASM_ARCH_HARDWARE_H
24 
25 #include <asm/sizes.h>
26 
27 /* macro to get at IO space when running virtually */
28 #ifdef CONFIG_MMU
29 /*
30  * Statically mapped addresses:
31  *
32  * 10xx xxxx -> fbxx xxxx
33  * 1exx xxxx -> fdxx xxxx
34  * 1fxx xxxx -> fexx xxxx
35  */
36 #define IO_ADDRESS(x) (((x) & 0x03ffffff) + 0xfb000000)
37 #else
38 #define IO_ADDRESS(x) (x)
39 #endif
40 #define __io_address(n) IOMEM(IO_ADDRESS(n))
41 
42 #endif