2 * linux/include/asm-arm/arch-aaec2000/hardware.h
4 * Copyright (c) 2005 Nicolas Bellido Y Ortega
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.
11 #ifndef __ASM_ARCH_HARDWARE_H
12 #define __ASM_ARCH_HARDWARE_H
14 #include <asm/sizes.h>
15 #include <asm/arch/aaec2000.h>
17 /* The kernel is loaded at physical address 0xf8000000.
18 * We map the IO space a bit after
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
27 #define VIO_BASE VIO_APB_BASE
28 #define PIO_BASE PIO_APB_BASE
30 #define io_p2v(x) ( (x) - PIO_BASE + VIO_BASE )
31 #define io_v2p(x) ( (x) + PIO_BASE - VIO_BASE )
35 #include <asm/types.h>
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)))
41 #else /* __ASSEMBLY__ */
43 #define __REG(x) io_p2v(x)
44 #define __PREG(x) io_v2p(x)
50 #endif /* __ASM_ARCH_HARDWARE_H */