linux_dsm_epyc7002/arch/arm/mach-realview/include/mach/hardware.h
Catalin Marinas 5d57795e26 nommu: Add MMU-less support for the RealView boards
This patch defines the IO_ADDRESS macro for the !CONFIG_MMU case.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2009-07-24 12:34:57 +01:00

43 lines
1.3 KiB
C

/*
* arch/arm/mach-realview/include/mach/hardware.h
*
* This file contains the hardware definitions of the RealView boards.
*
* Copyright (C) 2003 ARM Limited.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H
#include <asm/sizes.h>
/* macro to get at IO space when running virtually */
#ifdef CONFIG_MMU
/*
* Statically mapped addresses:
*
* 10xx xxxx -> fbxx xxxx
* 1exx xxxx -> fdxx xxxx
* 1fxx xxxx -> fexx xxxx
*/
#define IO_ADDRESS(x) (((x) & 0x03ffffff) + 0xfb000000)
#else
#define IO_ADDRESS(x) (x)
#endif
#define __io_address(n) __io(IO_ADDRESS(n))
#endif