| /* |
| * 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) 2005-2009 Cavium Networks |
| */ |
| |
| #ifndef __PCI_OCTEON_H__ |
| #define __PCI_OCTEON_H__ |
| |
| #include <linux/pci.h> |
| |
| /* Some PCI cards require delays when accessing config space. */ |
| #define PCI_CONFIG_SPACE_DELAY 10000 |
| |
| /* |
| * The physical memory base mapped by BAR1. 256MB at the end of the |
| * first 4GB. |
| */ |
| #define CVMX_PCIE_BAR1_PHYS_BASE ((1ull << 32) - (1ull << 28)) |
| #define CVMX_PCIE_BAR1_PHYS_SIZE (1ull << 28) |
| |
| /* |
| * The RC base of BAR1. gen1 has a 39-bit BAR2, gen2 has 41-bit BAR2, |
| * place BAR1 so it is the same for both. |
| */ |
| #define CVMX_PCIE_BAR1_RC_BASE (1ull << 41) |
| |
| /* |
| * pcibios_map_irq() is defined inside pci-octeon.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 int (*octeon_pcibios_map_irq)(const struct pci_dev *dev, |
| u8 slot, u8 pin); |
| |
| /* |
| * For PCI (not PCIe) the BAR2 base address. |
| */ |
| #define OCTEON_BAR2_PCI_ADDRESS 0x8000000000ull |
| |
| /* |
| * For PCI (not PCIe) the base of the memory mapped by BAR1 |
| */ |
| extern u64 octeon_bar1_pci_phys; |
| |
| /* |
| * The following defines are 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, |
| OCTEON_DMA_BAR_TYPE_PCIE2 |
| }; |
| |
| /* |
| * This tells 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 |
