arch/mn10300/include/asm/pci.h

   1 /* MN10300 PCI definitions
   2  *
   3  * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
   4  * Written by David Howells (dhowells@redhat.com)
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public Licence
   8  * as published by the Free Software Foundation; either version
   9  * 2 of the Licence, or (at your option) any later version.
  10  */
  11 #ifndef _ASM_PCI_H
  12 #define _ASM_PCI_H
  13
  14 #ifdef __KERNEL__
  15 #include <linux/mm.h>           /* for struct page */
  16
  17 #if 0
  18 #define __pcbdebug(FMT, ADDR, ...) \
  19         printk(KERN_DEBUG "PCIBRIDGE[%08x]: "FMT"\n", \
  20                (u32)(ADDR), ##__VA_ARGS__)
  21
  22 #define __pcidebug(FMT, BUS, DEVFN, WHERE,...)          \
  23 do {                                                    \
  24         printk(KERN_DEBUG "PCI[%02x:%02x.%x + %02x]: "FMT"\n",  \
  25                (BUS)->number,                                   \
  26                PCI_SLOT(DEVFN),                                 \
  27                PCI_FUNC(DEVFN),                                 \
  28                (u32)(WHERE), ##__VA_ARGS__);                    \
  29 } while (0)
  30
  31 #else
  32 #define __pcbdebug(FMT, ADDR, ...)              do {} while (0)
  33 #define __pcidebug(FMT, BUS, DEVFN, WHERE, ...) do {} while (0)
  34 #endif
  35
  36 /* Can be used to override the logic in pci_scan_bus for skipping
  37  * already-configured bus numbers - to be used for buggy BIOSes or
  38  * architectures with incomplete PCI setup by the loader */
  39
  40 #ifdef CONFIG_PCI
  41 #define pcibios_assign_all_busses()     1
  42 extern void unit_pci_init(void);
  43 #else
  44 #define pcibios_assign_all_busses()     0
  45 #endif
  46
  47 #define PCIBIOS_MIN_IO          0xBE000004
  48 #define PCIBIOS_MIN_MEM         0xB8000000
  49
  50 void pcibios_set_master(struct pci_dev *dev);
  51
  52 /* Dynamic DMA mapping stuff.
  53  * i386 has everything mapped statically.
  54  */
  55
  56 #include <linux/types.h>
  57 #include <linux/slab.h>
  58 #include <linux/scatterlist.h>
  59 #include <linux/string.h>
  60 #include <asm/io.h>
  61
  62 struct pci_dev;
  63
  64 /* The PCI address space does equal the physical memory
  65  * address space.  The networking and block device layers use
  66  * this boolean for bounce buffer decisions.
  67  */
  68 #define PCI_DMA_BUS_IS_PHYS     (1)
  69
  70 /* Return the index of the PCI controller for device. */
  71 static inline int pci_controller_num(struct pci_dev *dev)
  72 {
  73         return 0;
  74 }
  75
  76 #define HAVE_PCI_MMAP
  77 extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
  78                                enum pci_mmap_state mmap_state,
  79                                int write_combine);
  80
  81 #endif /* __KERNEL__ */
  82
  83 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  84 {
  85         return channel ? 15 : 14;
  86 }
  87
  88 #include <asm-generic/pci_iomap.h>
  89
  90 #endif /* _ASM_PCI_H */