hardware.h
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上传日期:2009-04-28
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- /*
- * linux/include/asm-arm/arch-aaec2000/hardware.h
- *
- * Copyright (c) 2005 Nicolas Bellido Y Ortega
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
- #ifndef __ASM_ARCH_HARDWARE_H
- #define __ASM_ARCH_HARDWARE_H
- #include <linux/config.h>
- /* The kernel is loaded at physical address 0xf8000000.
- * We map the IO space a bit after
- */
- #define PIO_APB_BASE 0x80000000
- #define VIO_APB_BASE 0xf8000000
- #define IO_APB_LENGTH 0x2000
- #define PIO_AHB_BASE 0x80002000
- #define VIO_AHB_BASE 0xf8002000
- #define IO_AHB_LENGTH 0x2000
- #define VIO_BASE VIO_APB_BASE
- #define PIO_BASE PIO_APB_BASE
- #define io_p2v(x) ( (x) - PIO_BASE + VIO_BASE )
- #define io_v2p(x) ( (x) + PIO_BASE - VIO_BASE )
- #ifndef __ASSEMBLY__
- #include <asm/types.h>
- /* FIXME: Is it needed to optimize this a la pxa ?? */
- #define __REG(x) (*((volatile u32 *)io_p2v(x)))
- #define __PREG(x) (io_v2p((u32)&(x)))
- #else /* __ASSEMBLY__ */
- #define __REG(x) io_p2v(x)
- #define __PREG(x) io_v2p(x)
- #endif
- #include "aaec2000.h"
- #endif /* __ASM_ARCH_HARDWARE_H */