/* * OpenRISC Linux * * Linux architectural port borrowing liberally from similar works of * others. All original copyrights apply as per the original source * declaration. * * OpenRISC implementation: * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> * et al. * * 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. */ #ifndef __ASM_OPENRISC_IO_H #define __ASM_OPENRISC_IO_H /* * PCI: can we really do 0 here if we have no port IO? */ #define IO_SPACE_LIMIT 0 /* OpenRISC has no port IO */ #define HAVE_ARCH_PIO_SIZE 1 #define PIO_RESERVED 0X0UL #define PIO_OFFSET 0 #define PIO_MASK 0 #define ioremap_nocache ioremap_nocache #include <asm-generic/io.h> #include <asm/pgtable.h> extern void __iomem *__ioremap(phys_addr_t offset, unsigned long size, pgprot_t prot); static inline void __iomem *ioremap(phys_addr_t offset, size_t size) { return __ioremap(offset, size, PAGE_KERNEL); } /* #define _PAGE_CI 0x002 */ static inline void __iomem *ioremap_nocache(phys_addr_t offset, unsigned long size) { return __ioremap(offset, size, __pgprot(pgprot_val(PAGE_KERNEL) | _PAGE_CI)); } extern void iounmap(void *addr); #endif