1198956Srrs/* 2198956Srrs * linux/include/asm-xtensa/pci.h 3198956Srrs * 4198956Srrs * This file is subject to the terms and conditions of the GNU General Public 5198956Srrs * License. See the file "COPYING" in the main directory of this archive 6198956Srrs * for more details. 7198956Srrs * 8198956Srrs * Copyright (C) 2001 - 2005 Tensilica Inc. 9198956Srrs */ 10198956Srrs 11198956Srrs#ifndef _XTENSA_PCI_H 12198956Srrs#define _XTENSA_PCI_H 13198956Srrs 14198956Srrs/* Can be used to override the logic in pci_scan_bus for skipping 15198956Srrs * already-configured bus numbers - to be used for buggy BIOSes 16198956Srrs * or architectures with incomplete PCI setup by the loader 17198956Srrs */ 18198956Srrs 19198956Srrs#define pcibios_assign_all_busses() 0 20198956Srrs 21198956Srrs/* Assume some values. (We should revise them, if necessary) */ 22198956Srrs 23198956Srrs#define PCIBIOS_MIN_IO 0x2000 24198956Srrs#define PCIBIOS_MIN_MEM 0x10000000 25198956Srrs 26198956Srrs/* Dynamic DMA mapping stuff. 27198956Srrs * Xtensa has everything mapped statically like x86. 28198956Srrs */ 29198956Srrs 30198956Srrs#include <linux/types.h> 31198956Srrs#include <linux/slab.h> 32198956Srrs#include <linux/scatterlist.h> 33198956Srrs#include <linux/string.h> 34198956Srrs#include <asm/io.h> 35204131Srrs 36198956Srrs/* The PCI address space does equal the physical memory address space. 37198956Srrs * The networking and block device layers use this boolean for bounce buffer 38198956Srrs * decisions. 39198956Srrs */ 40198956Srrs 41198956Srrs/* Tell PCI code what kind of PCI resource mappings we support */ 42198956Srrs#define HAVE_PCI_MMAP 1 43198956Srrs#define ARCH_GENERIC_PCI_MMAP_RESOURCE 1 44198956Srrs#define arch_can_pci_mmap_io() 1 45198956Srrs 46198956Srrs#endif /* _XTENSA_PCI_H */ 47198957Srrs