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1 /*
2  *  arch/arm/mach-aaec2000/include/mach/hardware.h
3  *
4  *  Copyright (c) 2005 Nicolas Bellido Y Ortega
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License version 2 as
8  *  published by the Free Software Foundation.
9  */
10 
11 #ifndef __ASM_ARCH_HARDWARE_H
12 #define __ASM_ARCH_HARDWARE_H
13 
14 #include <asm/sizes.h>
15 #include <mach/aaec2000.h>
16 
17 /* The kernel is loaded at physical address 0xf8000000.
18  * We map the IO space a bit after
19  */
20 #define PIO_APB_BASE	0x80000000
21 #define VIO_APB_BASE	0xf8000000
22 #define IO_APB_LENGTH	0x2000
23 #define PIO_AHB_BASE	0x80002000
24 #define VIO_AHB_BASE	0xf8002000
25 #define IO_AHB_LENGTH	0x2000
26 
27 #define VIO_BASE    VIO_APB_BASE
28 #define PIO_BASE    PIO_APB_BASE
29 
30 #define io_p2v(x) ( (x) - PIO_BASE + VIO_BASE )
31 #define io_v2p(x) ( (x) + PIO_BASE - VIO_BASE )
32 
33 #ifndef __ASSEMBLY__
34 
35 #include <asm/types.h>
36 
37 /* FIXME: Is it needed to optimize this a la pxa ?? */
38 #define __REG(x)    (*((volatile u32 *)io_p2v(x)))
39 #define __PREG(x)   (io_v2p((u32)&(x)))
40 
41 #else /* __ASSEMBLY__ */
42 
43 #define __REG(x)    io_p2v(x)
44 #define __PREG(x)   io_v2p(x)
45 
46 #endif
47 
48 #include "aaec2000.h"
49 
50 #endif /* __ASM_ARCH_HARDWARE_H */
51