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/pci-bridge.h>
23
24 #define PCIBIOS_MIN_IO 0x1000
25 #define PCIBIOS_MIN_MEM 0x10000000
26
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 */
40 #define pcibios_assign_all_busses() 0
41
42 extern int pci_domain_nr(struct pci_bus *bus);
43
44 /* Decide whether to display the domain number in /proc */
45 extern int pci_proc_domain(struct pci_bus *bus);
46
47 struct vm_area_struct;
48
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
53
54 extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val,
55 size_t count);
56 extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val,
57 size_t count);
58 extern 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
64 extern void pcibios_resource_survey(void);
65
66 struct file;
67 extern 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
73
74 /* This part of code was originally in xilinx-pci.h */
75 #ifdef CONFIG_PCI_XILINX
76 extern void __init xilinx_pci_init(void);
77 #else
xilinx_pci_init(void)78 static inline void __init xilinx_pci_init(void) { return; }
79 #endif
80
81 #endif /* __KERNEL__ */
82 #endif /* __ASM_MICROBLAZE_PCI_H */
83