xref: /linux/arch/arm/include/asm/pci.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 #ifndef ASMARM_PCI_H
2 #define ASMARM_PCI_H
3 
4 #ifdef __KERNEL__
5 #include <asm-generic/pci-dma-compat.h>
6 #include <asm-generic/pci-bridge.h>
7 
8 #include <asm/mach/pci.h> /* for pci_sys_data */
9 
10 extern unsigned long pcibios_min_io;
11 #define PCIBIOS_MIN_IO pcibios_min_io
12 extern unsigned long pcibios_min_mem;
13 #define PCIBIOS_MIN_MEM pcibios_min_mem
14 
15 static inline int pcibios_assign_all_busses(void)
16 {
17 	return pci_has_flag(PCI_REASSIGN_ALL_RSRC);
18 }
19 
20 #ifdef CONFIG_PCI_DOMAINS
21 static inline int pci_proc_domain(struct pci_bus *bus)
22 {
23 	return pci_domain_nr(bus);
24 }
25 #endif /* CONFIG_PCI_DOMAINS */
26 
27 /*
28  * The PCI address space does equal the physical memory address space.
29  * The networking and block device layers use this boolean for bounce
30  * buffer decisions.
31  */
32 #define PCI_DMA_BUS_IS_PHYS     (1)
33 
34 #define HAVE_PCI_MMAP
35 extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
36                                enum pci_mmap_state mmap_state, int write_combine);
37 
38 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
39 {
40 	return channel ? 15 : 14;
41 }
42 
43 #endif /* __KERNEL__ */
44 
45 #endif
46