| /* |
| * 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 |
| |
| #ifdef __KERNEL__ |
| |
| /* 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 |
| |
| extern struct pci_controller* pcibios_alloc_controller(void); |
| |
| /* 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. |
| */ |
| |
| #define PCI_DMA_BUS_IS_PHYS (1) |
| |
| /* 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 /* __KERNEL__ */ |
| |
| /* Generic PCI */ |
| #include <asm-generic/pci.h> |
| |
| #endif /* _XTENSA_PCI_H */ |
