/* * 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 #endif /* _XTENSA_PCI_H */