/* 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 <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)
/* 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;
}
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
return channel ? 15 : 14;
}
#endif /* _ASM_PCI_H */
