| /* MN10300 PCI definitions |
| * |
| * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. |
| * Written by David Howells (dhowells@redhat.com) |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public Licence |
| * as published by the Free Software Foundation; either version |
| * 2 of the Licence, or (at your option) any later version. |
| */ |
| #ifndef _ASM_PCI_H |
| #define _ASM_PCI_H |
| |
| #ifdef __KERNEL__ |
| #include <linux/mm.h> /* for struct page */ |
| |
| #if 0 |
| #define __pcbdebug(FMT, ADDR, ...) \ |
| printk(KERN_DEBUG "PCIBRIDGE[%08x]: "FMT"\n", \ |
| (u32)(ADDR), ##__VA_ARGS__) |
| |
| #define __pcidebug(FMT, BUS, DEVFN, WHERE,...) \ |
| do { \ |
| printk(KERN_DEBUG "PCI[%02x:%02x.%x + %02x]: "FMT"\n", \ |
| (BUS)->number, \ |
| PCI_SLOT(DEVFN), \ |
| PCI_FUNC(DEVFN), \ |
| (u32)(WHERE), ##__VA_ARGS__); \ |
| } while (0) |
| |
| #else |
| #define __pcbdebug(FMT, ADDR, ...) do {} while (0) |
| #define __pcidebug(FMT, BUS, DEVFN, WHERE, ...) do {} while (0) |
| #endif |
| |
| /* 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 */ |
| |
| #ifdef CONFIG_PCI |
| #define pcibios_assign_all_busses() 1 |
| extern void unit_pci_init(void); |
| #else |
| #define pcibios_assign_all_busses() 0 |
| #endif |
| |
| extern unsigned long pci_mem_start; |
| #define PCIBIOS_MIN_IO 0xBE000004 |
| #define PCIBIOS_MIN_MEM 0xB8000000 |
| |
| void pcibios_set_master(struct pci_dev *dev); |
| void pcibios_penalize_isa_irq(int irq); |
| |
| /* Dynamic DMA mapping stuff. |
| * i386 has everything mapped statically. |
| */ |
| |
| #include <linux/types.h> |
| #include <linux/slab.h> |
| #include <asm/scatterlist.h> |
| #include <linux/string.h> |
| #include <linux/mm.h> |
| #include <asm/io.h> |
| |
| struct pci_dev; |
| |
| /* 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) |
| |
| |
| /* This is always fine. */ |
| #define pci_dac_dma_supported(pci_dev, mask) (0) |
| |
| /* |
| * These macros should be used after a pci_map_sg call has been done |
| * to get bus addresses of each of the SG entries and their lengths. |
| * You should only work with the number of sg entries pci_map_sg |
| * returns. |
| */ |
| #define sg_dma_address(sg) ((sg)->dma_address) |
| #define sg_dma_len(sg) ((sg)->length) |
| |
| /* Return the index of the PCI controller for device. */ |
| static inline int pci_controller_num(struct pci_dev *dev) |
| { |
| return 0; |
| } |
| |
| #define HAVE_PCI_MMAP |
| extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, |
| enum pci_mmap_state mmap_state, |
| int write_combine); |
| |
| #endif /* __KERNEL__ */ |
| |
| /* implement the pci_ DMA API in terms of the generic device dma_ one */ |
| #include <asm-generic/pci-dma-compat.h> |
| |
| /** |
| * pcibios_resource_to_bus - convert resource to PCI bus address |
| * @dev: device which owns this resource |
| * @region: converted bus-centric region (start,end) |
| * @res: resource to convert |
| * |
| * Convert a resource to a PCI device bus address or bus window. |
| */ |
| extern void pcibios_resource_to_bus(struct pci_dev *dev, |
| struct pci_bus_region *region, |
| struct resource *res); |
| |
| extern void pcibios_bus_to_resource(struct pci_dev *dev, |
| struct resource *res, |
| struct pci_bus_region *region); |
| |
| static inline struct resource * |
| pcibios_select_root(struct pci_dev *pdev, struct resource *res) |
| { |
| struct resource *root = NULL; |
| |
| if (res->flags & IORESOURCE_IO) |
| root = &ioport_resource; |
| if (res->flags & IORESOURCE_MEM) |
| root = &iomem_resource; |
| |
| return root; |
| } |
| |
| #define pcibios_scan_all_fns(a, b) 0 |
| |
| #endif /* _ASM_PCI_H */ |