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- /* 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)
-
- /* 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 */
-