diff options
Diffstat (limited to 'arch/mn10300/include/asm/pci.h')
-rw-r--r-- | arch/mn10300/include/asm/pci.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/arch/mn10300/include/asm/pci.h b/arch/mn10300/include/asm/pci.h new file mode 100644 index 000000000000..0517b45313d8 --- /dev/null +++ b/arch/mn10300/include/asm/pci.h | |||
@@ -0,0 +1,129 @@ | |||
1 | /* MN10300 PCI definitions | ||
2 | * | ||
3 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | ||
4 | * Written by David Howells (dhowells@redhat.com) | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public Licence | ||
8 | * as published by the Free Software Foundation; either version | ||
9 | * 2 of the Licence, or (at your option) any later version. | ||
10 | */ | ||
11 | #ifndef _ASM_PCI_H | ||
12 | #define _ASM_PCI_H | ||
13 | |||
14 | #ifdef __KERNEL__ | ||
15 | #include <linux/mm.h> /* for struct page */ | ||
16 | |||
17 | #if 0 | ||
18 | #define __pcbdebug(FMT, ADDR, ...) \ | ||
19 | printk(KERN_DEBUG "PCIBRIDGE[%08x]: "FMT"\n", \ | ||
20 | (u32)(ADDR), ##__VA_ARGS__) | ||
21 | |||
22 | #define __pcidebug(FMT, BUS, DEVFN, WHERE,...) \ | ||
23 | do { \ | ||
24 | printk(KERN_DEBUG "PCI[%02x:%02x.%x + %02x]: "FMT"\n", \ | ||
25 | (BUS)->number, \ | ||
26 | PCI_SLOT(DEVFN), \ | ||
27 | PCI_FUNC(DEVFN), \ | ||
28 | (u32)(WHERE), ##__VA_ARGS__); \ | ||
29 | } while (0) | ||
30 | |||
31 | #else | ||
32 | #define __pcbdebug(FMT, ADDR, ...) do {} while (0) | ||
33 | #define __pcidebug(FMT, BUS, DEVFN, WHERE, ...) do {} while (0) | ||
34 | #endif | ||
35 | |||
36 | /* Can be used to override the logic in pci_scan_bus for skipping | ||
37 | * already-configured bus numbers - to be used for buggy BIOSes or | ||
38 | * architectures with incomplete PCI setup by the loader */ | ||
39 | |||
40 | #ifdef CONFIG_PCI | ||
41 | #define pcibios_assign_all_busses() 1 | ||
42 | extern void unit_pci_init(void); | ||
43 | #else | ||
44 | #define pcibios_assign_all_busses() 0 | ||
45 | #endif | ||
46 | |||
47 | extern unsigned long pci_mem_start; | ||
48 | #define PCIBIOS_MIN_IO 0xBE000004 | ||
49 | #define PCIBIOS_MIN_MEM 0xB8000000 | ||
50 | |||
51 | void pcibios_set_master(struct pci_dev *dev); | ||
52 | void pcibios_penalize_isa_irq(int irq); | ||
53 | |||
54 | /* Dynamic DMA mapping stuff. | ||
55 | * i386 has everything mapped statically. | ||
56 | */ | ||
57 | |||
58 | #include <linux/types.h> | ||
59 | #include <linux/slab.h> | ||
60 | #include <asm/scatterlist.h> | ||
61 | #include <linux/string.h> | ||
62 | #include <linux/mm.h> | ||
63 | #include <asm/io.h> | ||
64 | |||
65 | struct pci_dev; | ||
66 | |||
67 | /* The PCI address space does equal the physical memory | ||
68 | * address space. The networking and block device layers use | ||
69 | * this boolean for bounce buffer decisions. | ||
70 | */ | ||
71 | #define PCI_DMA_BUS_IS_PHYS (1) | ||
72 | |||
73 | |||
74 | /* This is always fine. */ | ||
75 | #define pci_dac_dma_supported(pci_dev, mask) (0) | ||
76 | |||
77 | /* Return the index of the PCI controller for device. */ | ||
78 | static inline int pci_controller_num(struct pci_dev *dev) | ||
79 | { | ||
80 | return 0; | ||
81 | } | ||
82 | |||
83 | #define HAVE_PCI_MMAP | ||
84 | extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, | ||
85 | enum pci_mmap_state mmap_state, | ||
86 | int write_combine); | ||
87 | |||
88 | #endif /* __KERNEL__ */ | ||
89 | |||
90 | /* implement the pci_ DMA API in terms of the generic device dma_ one */ | ||
91 | #include <asm-generic/pci-dma-compat.h> | ||
92 | |||
93 | /** | ||
94 | * pcibios_resource_to_bus - convert resource to PCI bus address | ||
95 | * @dev: device which owns this resource | ||
96 | * @region: converted bus-centric region (start,end) | ||
97 | * @res: resource to convert | ||
98 | * | ||
99 | * Convert a resource to a PCI device bus address or bus window. | ||
100 | */ | ||
101 | extern void pcibios_resource_to_bus(struct pci_dev *dev, | ||
102 | struct pci_bus_region *region, | ||
103 | struct resource *res); | ||
104 | |||
105 | extern void pcibios_bus_to_resource(struct pci_dev *dev, | ||
106 | struct resource *res, | ||
107 | struct pci_bus_region *region); | ||
108 | |||
109 | static inline struct resource * | ||
110 | pcibios_select_root(struct pci_dev *pdev, struct resource *res) | ||
111 | { | ||
112 | struct resource *root = NULL; | ||
113 | |||
114 | if (res->flags & IORESOURCE_IO) | ||
115 | root = &ioport_resource; | ||
116 | if (res->flags & IORESOURCE_MEM) | ||
117 | root = &iomem_resource; | ||
118 | |||
119 | return root; | ||
120 | } | ||
121 | |||
122 | #define pcibios_scan_all_fns(a, b) 0 | ||
123 | |||
124 | static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) | ||
125 | { | ||
126 | return channel ? 15 : 14; | ||
127 | } | ||
128 | |||
129 | #endif /* _ASM_PCI_H */ | ||