diff options
Diffstat (limited to 'kernel/arch/arm/mach-realview/include/mach/hardware.h')
| -rw-r--r-- | kernel/arch/arm/mach-realview/include/mach/hardware.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-realview/include/mach/hardware.h b/kernel/arch/arm/mach-realview/include/mach/hardware.h new file mode 100644 index 000000000..281e71c97 --- /dev/null +++ b/kernel/arch/arm/mach-realview/include/mach/hardware.h @@ -0,0 +1,42 @@ +/* + * 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) IOMEM(IO_ADDRESS(n)) + +#endif |