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