Current File : //usr/src/linux-headers-5.15.0-43/arch/xtensa/include/asm/pci.h
/*
* linux/include/asm-xtensa/pci.h
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2001 - 2005 Tensilica Inc.
*/
#ifndef _XTENSA_PCI_H
#define _XTENSA_PCI_H
/* Can be used to override the logic in pci_scan_bus for skipping
* already-configured bus numbers - to be used for buggy BIOSes
* or architectures with incomplete PCI setup by the loader
*/
#define pcibios_assign_all_busses() 0
/* Assume some values. (We should revise them, if necessary) */
#define PCIBIOS_MIN_IO 0x2000
#define PCIBIOS_MIN_MEM 0x10000000
/* Dynamic DMA mapping stuff.
* Xtensa has everything mapped statically like x86.
*/
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/scatterlist.h>
#include <linux/string.h>
#include <asm/io.h>
/* The PCI address space does equal the physical memory address space.
* The networking and block device layers use this boolean for bounce buffer
* decisions.
*/
/* Tell PCI code what kind of PCI resource mappings we support */
#define HAVE_PCI_MMAP 1
#define ARCH_GENERIC_PCI_MMAP_RESOURCE 1
#define arch_can_pci_mmap_io() 1
/* Generic PCI */
#include <asm-generic/pci.h>
#endif /* _XTENSA_PCI_H */
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