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e8635b48 DD |
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 | * | |
01a6221a | 6 | * Copyright (C) 2005-2009 Cavium Networks |
e8635b48 | 7 | */ |
01a6221a DD |
8 | |
9 | #ifndef __PCI_OCTEON_H__ | |
10 | #define __PCI_OCTEON_H__ | |
e8635b48 DD |
11 | |
12 | #include <linux/pci.h> | |
13 | ||
2b5987ab DD |
14 | /* |
15 | * The physical memory base mapped by BAR1. 256MB at the end of the | |
16 | * first 4GB. | |
17 | */ | |
18 | #define CVMX_PCIE_BAR1_PHYS_BASE ((1ull << 32) - (1ull << 28)) | |
19 | #define CVMX_PCIE_BAR1_PHYS_SIZE (1ull << 28) | |
20 | ||
21 | /* | |
70342287 | 22 | * The RC base of BAR1. gen1 has a 39-bit BAR2, gen2 has 41-bit BAR2, |
2b5987ab DD |
23 | * place BAR1 so it is the same for both. |
24 | */ | |
25 | #define CVMX_PCIE_BAR1_RC_BASE (1ull << 41) | |
26 | ||
01a6221a DD |
27 | /* |
28 | * pcibios_map_irq() is defined inside pci-octeon.c. All it does is | |
29 | * call the Octeon specific version pointed to by this variable. This | |
30 | * function needs to change for PCI or PCIe based hosts. | |
31 | */ | |
32 | extern int (*octeon_pcibios_map_irq)(const struct pci_dev *dev, | |
33 | u8 slot, u8 pin); | |
e8635b48 | 34 | |
b93b2abc DD |
35 | /* |
36 | * For PCI (not PCIe) the BAR2 base address. | |
37 | */ | |
38 | #define OCTEON_BAR2_PCI_ADDRESS 0x8000000000ull | |
39 | ||
40 | /* | |
41 | * For PCI (not PCIe) the base of the memory mapped by BAR1 | |
42 | */ | |
43 | extern u64 octeon_bar1_pci_phys; | |
44 | ||
01a6221a DD |
45 | /* |
46 | * The following defines are used when octeon_dma_bar_type = | |
47 | * OCTEON_DMA_BAR_TYPE_BIG | |
48 | */ | |
e8635b48 DD |
49 | #define OCTEON_PCI_BAR1_HOLE_BITS 5 |
50 | #define OCTEON_PCI_BAR1_HOLE_SIZE (1ul<<(OCTEON_PCI_BAR1_HOLE_BITS+3)) | |
51 | ||
52 | enum octeon_dma_bar_type { | |
53 | OCTEON_DMA_BAR_TYPE_INVALID, | |
54 | OCTEON_DMA_BAR_TYPE_SMALL, | |
55 | OCTEON_DMA_BAR_TYPE_BIG, | |
714c1f5c DD |
56 | OCTEON_DMA_BAR_TYPE_PCIE, |
57 | OCTEON_DMA_BAR_TYPE_PCIE2 | |
e8635b48 DD |
58 | }; |
59 | ||
01a6221a DD |
60 | /* |
61 | * This tells the DMA mapping system in dma-octeon.c how to map PCI | |
62 | * DMA addresses. | |
e8635b48 DD |
63 | */ |
64 | extern enum octeon_dma_bar_type octeon_dma_bar_type; | |
65 | ||
66 | #endif |