| David Daney | 01a6221 | 2009-06-29 17:18:51 -0700 | [diff] [blame] | 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 |