tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
19#include <linux/scatterlist.h>
20
21#include <asm/io.h>
22#include <asm/prom.h>
23#include <asm/pci-bridge.h>
24
25#define PCIBIOS_MIN_IO 0x1000
26#define PCIBIOS_MIN_MEM 0x10000000
27
28/* Values for the `which' argument to sys_pciconfig_iobase syscall. */
29#define IOBASE_BRIDGE_NUMBER 0
30#define IOBASE_MEMORY 1
31#define IOBASE_IO 2
32#define IOBASE_ISA_IO 3
33#define IOBASE_ISA_MEM 4
34
35#define pcibios_scan_all_fns(a, b) 0
36
37/*
38 * Set this to 1 if you want the kernel to re-assign all PCI
39 * bus numbers (don't do that on ppc64 yet !)
40 */
41#define pcibios_assign_all_busses() 0
42
43extern int pci_domain_nr(struct pci_bus *bus);
44
45/* Decide whether to display the domain number in /proc */
46extern int pci_proc_domain(struct pci_bus *bus);
47
48struct vm_area_struct;
49/* Map a range of PCI memory or I/O space for a device into user space */
50int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
51 enum pci_mmap_state mmap_state, int write_combine);
52
53/* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
54#define HAVE_PCI_MMAP 1
55
56extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val,
57 size_t count);
58extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val,
59 size_t count);
60extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
61 struct vm_area_struct *vma,
62 enum pci_mmap_state mmap_state);
63
64#define HAVE_PCI_LEGACY 1
65
66/* The PCI address space does equal the physical memory
67 * address space (no IOMMU). The IDE and SCSI device layers use
68 * this boolean for bounce buffer decisions.
69 */
70#define PCI_DMA_BUS_IS_PHYS (1)
71
72extern void pcibios_claim_one_bus(struct pci_bus *b);
73
74extern void pcibios_finish_adding_to_bus(struct pci_bus *bus);
75
76extern void pcibios_resource_survey(void);
77
78struct file;
79extern pgprot_t pci_phys_mem_access_prot(struct file *file,
80 unsigned long pfn,
81 unsigned long size,
82 pgprot_t prot);
83
84#define HAVE_ARCH_PCI_RESOURCE_TO_USER
85
86extern void pcibios_setup_bus_devices(struct pci_bus *bus);
87extern void pcibios_setup_bus_self(struct pci_bus *bus);
88
89/* This part of code was originally in xilinx-pci.h */
90#ifdef CONFIG_PCI_XILINX
91extern void __init xilinx_pci_init(void);
92#else
93static inline void __init xilinx_pci_init(void) { return; }
94#endif
95
96#endif /* __KERNEL__ */
97#endif /* __ASM_MICROBLAZE_PCI_H */