Merge tag 'pci-v4.18-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaa...
[linux-2.6-block.git] / arch / microblaze / include / asm / pci.h
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1/*
2 * This program is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU General Public License
4 * as published by the Free Software Foundation; either version
5 * 2 of the License, or (at your option) any later version.
6 *
7 * Based on powerpc version
8 */
9
10#ifndef __ASM_MICROBLAZE_PCI_H
11#define __ASM_MICROBLAZE_PCI_H
12#ifdef __KERNEL__
13
14#include <linux/types.h>
15#include <linux/slab.h>
16#include <linux/string.h>
17#include <linux/dma-mapping.h>
18#include <linux/pci.h>
84be456f 19#include <linux/scatterlist.h>
830980a0 20
830980a0 21#include <asm/io.h>
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22#include <asm/pci-bridge.h>
23
24#define PCIBIOS_MIN_IO 0x1000
25#define PCIBIOS_MIN_MEM 0x10000000
26
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27/* Values for the `which' argument to sys_pciconfig_iobase syscall. */
28#define IOBASE_BRIDGE_NUMBER 0
29#define IOBASE_MEMORY 1
30#define IOBASE_IO 2
31#define IOBASE_ISA_IO 3
32#define IOBASE_ISA_MEM 4
33
34#define pcibios_scan_all_fns(a, b) 0
35
36/*
37 * Set this to 1 if you want the kernel to re-assign all PCI
38 * bus numbers (don't do that on ppc64 yet !)
39 */
72bdee79 40#define pcibios_assign_all_busses() 0
830980a0 41
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42extern int pci_domain_nr(struct pci_bus *bus);
43
44/* Decide whether to display the domain number in /proc */
45extern int pci_proc_domain(struct pci_bus *bus);
46
47struct vm_area_struct;
830980a0 48
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49/* Tell PCI code what kind of PCI resource mappings we support */
50#define HAVE_PCI_MMAP 1
51#define ARCH_GENERIC_PCI_MMAP_RESOURCE 1
52#define arch_can_pci_mmap_io() 1
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53
54extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val,
55 size_t count);
56extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val,
57 size_t count);
58extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
59 struct vm_area_struct *vma,
60 enum pci_mmap_state mmap_state);
61
62#define HAVE_PCI_LEGACY 1
63
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64extern void pcibios_resource_survey(void);
65
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66struct file;
67extern pgprot_t pci_phys_mem_access_prot(struct file *file,
68 unsigned long pfn,
69 unsigned long size,
70 pgprot_t prot);
71
72#define HAVE_ARCH_PCI_RESOURCE_TO_USER
830980a0 73
25985edc 74/* This part of code was originally in xilinx-pci.h */
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75#ifdef CONFIG_PCI_XILINX
76extern void __init xilinx_pci_init(void);
77#else
78static inline void __init xilinx_pci_init(void) { return; }
79#endif
80
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81#endif /* __KERNEL__ */
82#endif /* __ASM_MICROBLAZE_PCI_H */