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 #define PCIBIOS_MIN_IO 0x1000
26 #define PCIBIOS_MIN_MEM 0x10000000
28 /* Values for the `which' argument to sys_pciconfig_iobase syscall. */
29 #define IOBASE_BRIDGE_NUMBER 0
30 #define IOBASE_MEMORY 1
32 #define IOBASE_ISA_IO 3
33 #define IOBASE_ISA_MEM 4
35 #define pcibios_scan_all_fns(a, b) 0
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 !)
41 #define pcibios_assign_all_busses() 0
43 extern int pci_domain_nr(struct pci_bus
*bus
);
45 /* Decide whether to display the domain number in /proc */
46 extern int pci_proc_domain(struct pci_bus
*bus
);
48 struct vm_area_struct
;
49 /* Map a range of PCI memory or I/O space for a device into user space */
50 int pci_mmap_page_range(struct pci_dev
*pdev
, struct vm_area_struct
*vma
,
51 enum pci_mmap_state mmap_state
, int write_combine
);
53 /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
54 #define HAVE_PCI_MMAP 1
56 extern int pci_legacy_read(struct pci_bus
*bus
, loff_t port
, u32
*val
,
58 extern int pci_legacy_write(struct pci_bus
*bus
, loff_t port
, u32 val
,
60 extern int pci_mmap_legacy_page_range(struct pci_bus
*bus
,
61 struct vm_area_struct
*vma
,
62 enum pci_mmap_state mmap_state
);
64 #define HAVE_PCI_LEGACY 1
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.
70 #define PCI_DMA_BUS_IS_PHYS (1)
72 extern void pcibios_claim_one_bus(struct pci_bus
*b
);
74 extern void pcibios_finish_adding_to_bus(struct pci_bus
*bus
);
76 extern void pcibios_resource_survey(void);
79 extern pgprot_t
pci_phys_mem_access_prot(struct file
*file
,
84 #define HAVE_ARCH_PCI_RESOURCE_TO_USER
85 extern void pci_resource_to_user(const struct pci_dev
*dev
, int bar
,
86 const struct resource
*rsrc
,
87 resource_size_t
*start
, resource_size_t
*end
);
89 extern void pcibios_setup_bus_devices(struct pci_bus
*bus
);
90 extern void pcibios_setup_bus_self(struct pci_bus
*bus
);
92 /* This part of code was originally in xilinx-pci.h */
93 #ifdef CONFIG_PCI_XILINX
94 extern void __init
xilinx_pci_init(void);
96 static inline void __init
xilinx_pci_init(void) { return; }
99 #endif /* __KERNEL__ */
100 #endif /* __ASM_MICROBLAZE_PCI_H */