1 /* 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 4 * for more details. 5 * 6 * Copyright (C) 2005-2009 Cavium Networks 7 */ 8 9 #ifndef __PCI_OCTEON_H__ 10 #define __PCI_OCTEON_H__ 11 12 #include <linux/pci.h> 13 14 /* Some PCI cards require delays when accessing config space. */ 15 #define PCI_CONFIG_SPACE_DELAY 10000 16 17 /* 18 * pcibios_map_irq() is defined inside pci-octeon.c. All it does is 19 * call the Octeon specific version pointed to by this variable. This 20 * function needs to change for PCI or PCIe based hosts. 21 */ 22 extern int (*octeon_pcibios_map_irq)(const struct pci_dev *dev, 23 u8 slot, u8 pin); 24 25 /* 26 * The following defines are used when octeon_dma_bar_type = 27 * OCTEON_DMA_BAR_TYPE_BIG 28 */ 29 #define OCTEON_PCI_BAR1_HOLE_BITS 5 30 #define OCTEON_PCI_BAR1_HOLE_SIZE (1ul<<(OCTEON_PCI_BAR1_HOLE_BITS+3)) 31 32 enum octeon_dma_bar_type { 33 OCTEON_DMA_BAR_TYPE_INVALID, 34 OCTEON_DMA_BAR_TYPE_SMALL, 35 OCTEON_DMA_BAR_TYPE_BIG, 36 OCTEON_DMA_BAR_TYPE_PCIE 37 }; 38 39 /* 40 * This tells the DMA mapping system in dma-octeon.c how to map PCI 41 * DMA addresses. 42 */ 43 extern enum octeon_dma_bar_type octeon_dma_bar_type; 44 45 #endif 46