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Bellido Nicolas038c5b62005-06-20 18:51:05 +01001/*
2 * linux/include/asm-arm/arch-aaec2000/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
Bellido Nicolasf0904e22005-10-28 16:51:41 +010014#include <asm/sizes.h>
15#include <asm/arch/aaec2000.h>
Bellido Nicolas038c5b62005-06-20 18:51:05 +010016
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 */