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a7db504052
This was #define'd as 0 on all platforms, so let's get rid of it. This change makes pci_scan_slot() slightly easier to read. Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Tony Luck <tony.luck@intel.com> Cc: David Howells <dhowells@redhat.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Dike <jdike@addtoit.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Reviewed-by: Matthew Wilcox <willy@linux.intel.com> Acked-by: Russell King <linux@arm.linux.org.uk> Acked-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Kyle McMartin <kyle@mcmartin.ca> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Paul Mundt <lethal@linux-sh.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
123 lines
3.3 KiB
C
123 lines
3.3 KiB
C
/* MN10300 PCI definitions
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*
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* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#ifndef _ASM_PCI_H
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#define _ASM_PCI_H
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#ifdef __KERNEL__
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#include <linux/mm.h> /* for struct page */
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#if 0
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#define __pcbdebug(FMT, ADDR, ...) \
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printk(KERN_DEBUG "PCIBRIDGE[%08x]: "FMT"\n", \
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(u32)(ADDR), ##__VA_ARGS__)
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#define __pcidebug(FMT, BUS, DEVFN, WHERE,...) \
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do { \
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printk(KERN_DEBUG "PCI[%02x:%02x.%x + %02x]: "FMT"\n", \
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(BUS)->number, \
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PCI_SLOT(DEVFN), \
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PCI_FUNC(DEVFN), \
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(u32)(WHERE), ##__VA_ARGS__); \
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} while (0)
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#else
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#define __pcbdebug(FMT, ADDR, ...) do {} while (0)
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#define __pcidebug(FMT, BUS, DEVFN, WHERE, ...) do {} while (0)
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#endif
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/* Can be used to override the logic in pci_scan_bus for skipping
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* already-configured bus numbers - to be used for buggy BIOSes or
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* architectures with incomplete PCI setup by the loader */
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#ifdef CONFIG_PCI
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#define pcibios_assign_all_busses() 1
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extern void unit_pci_init(void);
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#else
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#define pcibios_assign_all_busses() 0
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#endif
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extern unsigned long pci_mem_start;
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#define PCIBIOS_MIN_IO 0xBE000004
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#define PCIBIOS_MIN_MEM 0xB8000000
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void pcibios_set_master(struct pci_dev *dev);
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void pcibios_penalize_isa_irq(int irq);
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/* Dynamic DMA mapping stuff.
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* i386 has everything mapped statically.
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*/
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#include <linux/types.h>
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#include <linux/slab.h>
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#include <asm/scatterlist.h>
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#include <linux/string.h>
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#include <asm/io.h>
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struct pci_dev;
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/* The PCI address space does equal the physical memory
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* address space. The networking and block device layers use
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* this boolean for bounce buffer decisions.
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*/
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#define PCI_DMA_BUS_IS_PHYS (1)
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/* Return the index of the PCI controller for device. */
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static inline int pci_controller_num(struct pci_dev *dev)
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{
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return 0;
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}
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#define HAVE_PCI_MMAP
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extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
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enum pci_mmap_state mmap_state,
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int write_combine);
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#endif /* __KERNEL__ */
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/* implement the pci_ DMA API in terms of the generic device dma_ one */
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#include <asm-generic/pci-dma-compat.h>
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/**
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* pcibios_resource_to_bus - convert resource to PCI bus address
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* @dev: device which owns this resource
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* @region: converted bus-centric region (start,end)
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* @res: resource to convert
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*
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* Convert a resource to a PCI device bus address or bus window.
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*/
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extern void pcibios_resource_to_bus(struct pci_dev *dev,
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struct pci_bus_region *region,
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struct resource *res);
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extern void pcibios_bus_to_resource(struct pci_dev *dev,
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struct resource *res,
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struct pci_bus_region *region);
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static inline struct resource *
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pcibios_select_root(struct pci_dev *pdev, struct resource *res)
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{
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struct resource *root = NULL;
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if (res->flags & IORESOURCE_IO)
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root = &ioport_resource;
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if (res->flags & IORESOURCE_MEM)
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root = &iomem_resource;
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return root;
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}
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static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
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{
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return channel ? 15 : 14;
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}
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#endif /* _ASM_PCI_H */
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