kernel-fxtec-pro1x/arch/arm/mach-lpc32xx/include/mach/hardware.h
Arnd Bergmann df38b24fa8 ARM: lpc32xx: use __iomem pointers for MMIO
ARM is moving to stricter checks on readl/write functions,
so we need to use the correct types everywhere.

Cc: Roland Stigge <stigge@antcom.de>
Cc: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-09-19 15:19:14 +02:00

34 lines
1.1 KiB
C

/*
* 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