162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * OpenRISC Linux 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Linux architectural port borrowing liberally from similar works of 662306a36Sopenharmony_ci * others. All original copyrights apply as per the original source 762306a36Sopenharmony_ci * declaration. 862306a36Sopenharmony_ci * 962306a36Sopenharmony_ci * OpenRISC implementation: 1062306a36Sopenharmony_ci * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> 1162306a36Sopenharmony_ci * et al. 1262306a36Sopenharmony_ci */ 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci#ifndef __ASM_OPENRISC_IO_H 1562306a36Sopenharmony_ci#define __ASM_OPENRISC_IO_H 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci#include <linux/types.h> 1862306a36Sopenharmony_ci#include <asm/pgalloc.h> 1962306a36Sopenharmony_ci#include <asm/pgtable.h> 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ci/* 2262306a36Sopenharmony_ci * PCI: We do not use IO ports in OpenRISC 2362306a36Sopenharmony_ci */ 2462306a36Sopenharmony_ci#define IO_SPACE_LIMIT 0 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_ci/* OpenRISC has no port IO */ 2762306a36Sopenharmony_ci#define HAVE_ARCH_PIO_SIZE 1 2862306a36Sopenharmony_ci#define PIO_RESERVED 0X0UL 2962306a36Sopenharmony_ci#define PIO_OFFSET 0 3062306a36Sopenharmony_ci#define PIO_MASK 0 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci/* 3362306a36Sopenharmony_ci * I/O memory mapping functions. 3462306a36Sopenharmony_ci */ 3562306a36Sopenharmony_ci#define _PAGE_IOREMAP (pgprot_val(PAGE_KERNEL) | _PAGE_CI) 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_ci#include <asm-generic/io.h> 3862306a36Sopenharmony_ci 3962306a36Sopenharmony_ci#endif 40