diff options
Diffstat (limited to 'arch/arm/mach-integrator/include/mach/memory.h')
| -rw-r--r-- | arch/arm/mach-integrator/include/mach/memory.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-integrator/include/mach/memory.h b/arch/arm/mach-integrator/include/mach/memory.h new file mode 100644 index 00000000..334d5e27 --- /dev/null +++ b/arch/arm/mach-integrator/include/mach/memory.h @@ -0,0 +1,34 @@ +/* + * arch/arm/mach-integrator/include/mach/memory.h + * + * Copyright (C) 1999 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_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +/* + * Physical DRAM offset. + */ +#define PLAT_PHYS_OFFSET UL(0x00000000) + +#define BUS_OFFSET UL(0x80000000) +#define __virt_to_bus(x) ((x) - PAGE_OFFSET + BUS_OFFSET) +#define __bus_to_virt(x) ((x) - BUS_OFFSET + PAGE_OFFSET) +#define __pfn_to_bus(x) (__pfn_to_phys(x) + (BUS_OFFSET - PHYS_OFFSET)) +#define __bus_to_pfn(x) __phys_to_pfn((x) - (BUS_OFFSET - PHYS_OFFSET)) + +#endif |