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.
7 * Based on powerpc version
10 #ifndef __ASM_MICROBLAZE_PCI_H
11 #define __ASM_MICROBLAZE_PCI_H
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>
23 #include <asm/pci-bridge.h>
25 #include <asm-generic/pci-dma-compat.h>
27 #define PCIBIOS_MIN_IO 0x1000
28 #define PCIBIOS_MIN_MEM 0x10000000
30 /* Values for the `which' argument to sys_pciconfig_iobase syscall. */
31 #define IOBASE_BRIDGE_NUMBER 0
32 #define IOBASE_MEMORY 1
34 #define IOBASE_ISA_IO 3
35 #define IOBASE_ISA_MEM 4
37 #define pcibios_scan_all_fns(a, b) 0
40 * Set this to 1 if you want the kernel to re-assign all PCI
41 * bus numbers (don't do that on ppc64 yet !)
43 #define pcibios_assign_all_busses() 0
45 extern int pci_domain_nr(struct pci_bus *bus);
47 /* Decide whether to display the domain number in /proc */
48 extern int pci_proc_domain(struct pci_bus *bus);
50 struct vm_area_struct;
51 /* Map a range of PCI memory or I/O space for a device into user space */
52 int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
53 enum pci_mmap_state mmap_state, int write_combine);
55 /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
56 #define HAVE_PCI_MMAP 1
58 extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val,
60 extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val,
62 extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
63 struct vm_area_struct *vma,
64 enum pci_mmap_state mmap_state);
66 #define HAVE_PCI_LEGACY 1
68 /* The PCI address space does equal the physical memory
69 * address space (no IOMMU). The IDE and SCSI device layers use
70 * this boolean for bounce buffer decisions.
72 #define PCI_DMA_BUS_IS_PHYS (1)
74 extern void pcibios_claim_one_bus(struct pci_bus *b);
76 extern void pcibios_finish_adding_to_bus(struct pci_bus *bus);
78 extern void pcibios_resource_survey(void);
81 extern pgprot_t pci_phys_mem_access_prot(struct file *file,
86 #define HAVE_ARCH_PCI_RESOURCE_TO_USER
87 extern void pci_resource_to_user(const struct pci_dev *dev, int bar,
88 const struct resource *rsrc,
89 resource_size_t *start, resource_size_t *end);
91 extern void pcibios_setup_bus_devices(struct pci_bus *bus);
92 extern void pcibios_setup_bus_self(struct pci_bus *bus);
94 /* This part of code was originally in xilinx-pci.h */
95 #ifdef CONFIG_PCI_XILINX
96 extern void __init xilinx_pci_init(void);
98 static inline void __init xilinx_pci_init(void) { return; }
101 #endif /* __KERNEL__ */
102 #endif /* __ASM_MICROBLAZE_PCI_H */