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

40 lines
1.2 KiB
C

/*
* 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