2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 2005-2009 Cavium Networks
9 #ifndef __PCI_OCTEON_H__
10 #define __PCI_OCTEON_H__
12 #include <linux/pci.h>
14 /* Some PCI cards require delays when accessing config space. */
15 #define PCI_CONFIG_SPACE_DELAY 10000
18 * The physical memory base mapped by BAR1. 256MB at the end of the
21 #define CVMX_PCIE_BAR1_PHYS_BASE ((1ull << 32) - (1ull << 28))
22 #define CVMX_PCIE_BAR1_PHYS_SIZE (1ull << 28)
25 * The RC base of BAR1. gen1 has a 39-bit BAR2, gen2 has 41-bit BAR2,
26 * place BAR1 so it is the same for both.
28 #define CVMX_PCIE_BAR1_RC_BASE (1ull << 41)
31 * pcibios_map_irq() is defined inside pci-octeon.c. All it does is
32 * call the Octeon specific version pointed to by this variable. This
33 * function needs to change for PCI or PCIe based hosts.
35 extern int (*octeon_pcibios_map_irq)(const struct pci_dev *dev,
39 * The following defines are used when octeon_dma_bar_type =
40 * OCTEON_DMA_BAR_TYPE_BIG
42 #define OCTEON_PCI_BAR1_HOLE_BITS 5
43 #define OCTEON_PCI_BAR1_HOLE_SIZE (1ul<<(OCTEON_PCI_BAR1_HOLE_BITS+3))
45 enum octeon_dma_bar_type {
46 OCTEON_DMA_BAR_TYPE_INVALID,
47 OCTEON_DMA_BAR_TYPE_SMALL,
48 OCTEON_DMA_BAR_TYPE_BIG,
49 OCTEON_DMA_BAR_TYPE_PCIE
53 * This tells the DMA mapping system in dma-octeon.c how to map PCI
56 extern enum octeon_dma_bar_type octeon_dma_bar_type;