mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-10-31 18:36:37 +00:00
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
|
|
*
|
|
* 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 */
|