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Diffstat (limited to 'include/asm-arm/arch-integrator/io.h')
-rw-r--r-- | include/asm-arm/arch-integrator/io.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/asm-arm/arch-integrator/io.h b/include/asm-arm/arch-integrator/io.h new file mode 100644 index 000000000..bad7b07ea --- /dev/null +++ b/include/asm-arm/arch-integrator/io.h @@ -0,0 +1,46 @@ +/* + * linux/include/asm-arm/arch-integrator/io.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_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +#define IO_SPACE_LIMIT 0xffff + +#define __io(a) (PCI_IO_VADDR + (a)) +#define __mem_pci(a) ((unsigned long)(a)) +#define __mem_isa(a) (PCI_MEMORY_VADDR + (unsigned long)(a)) + +/* + * Generic virtual read/write + */ +#define __arch_getw(a) (*(volatile unsigned short *)(a)) +#define __arch_putw(v,a) (*(volatile unsigned short *)(a) = (v)) + +/* + * Validate the pci memory address for ioremap. + */ +#define iomem_valid_addr(iomem,size) \ + ((iomem) > 0 && (iomem) + (size) <= 0x20000000) + +/* + * Convert PCI memory space to a CPU physical address + */ +#define iomem_to_phys(iomem) ((iomem) + PHYS_PCI_MEM_BASE) + +#endif |