arch/mips/cavium-octeon/pci-common.h

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 2005-2007 Cavium Networks
 */
#ifndef __OCTEON_PCI_COMMON_H__
#define __OCTEON_PCI_COMMON_H__

#include <linux/pci.h>

/* Some PCI cards require delays when accessing config space. */
#define PCI_CONFIG_SPACE_DELAY 10000

/* pcibios_map_irq() is defined inside pci-common.c. All it does is call the
   Octeon specific version pointed to by this variable. This function needs to
   change for PCI or PCIe based hosts */
extern typeof(pcibios_map_irq) *octeon_pcibios_map_irq;

/* The following defines are only used when octeon_dma_bar_type =
   OCTEON_DMA_BAR_TYPE_BIG */
#define OCTEON_PCI_BAR1_HOLE_BITS 5
#define OCTEON_PCI_BAR1_HOLE_SIZE (1ul<<(OCTEON_PCI_BAR1_HOLE_BITS+3))

enum octeon_dma_bar_type {
	OCTEON_DMA_BAR_TYPE_INVALID,
	OCTEON_DMA_BAR_TYPE_SMALL,
	OCTEON_DMA_BAR_TYPE_BIG,
	OCTEON_DMA_BAR_TYPE_PCIE
};

/**
 * This is a variable to tell the DMA mapping system in dma-octeon.c
 * how to map PCI DMA addresses.
 */
extern enum octeon_dma_bar_type octeon_dma_bar_type;

#endif