134 lines
3.6 KiB
C
134 lines
3.6 KiB
C
/* 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 */
|