35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
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/*
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* arch/arm/mach-lpc32xx/include/mach/hardware.h
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*
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* Copyright (c) 2005 MontaVista Software, Inc. <source@mvista.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __ASM_ARCH_HARDWARE_H
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#define __ASM_ARCH_HARDWARE_H
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/*
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* Start of virtual addresses for IO devices
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*/
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#define IO_BASE 0xF0000000
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/*
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* This macro relies on fact that for all HW i/o addresses bits 20-23 are 0
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*/
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#define IO_ADDRESS(x) (((((x) & 0xff000000) >> 4) | ((x) & 0xfffff)) |\
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IO_BASE)
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#define io_p2v(x) ((void __iomem *) (unsigned long) IO_ADDRESS(x))
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#define io_v2p(x) ((((x) & 0x0ff00000) << 4) | ((x) & 0x000fffff))
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#endif
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