xref: /openbmc/linux/arch/arm/include/asm/pci.h (revision bc5aa3a0)
1 #ifndef ASMARM_PCI_H
2 #define ASMARM_PCI_H
3 
4 #ifdef __KERNEL__
5 #include <asm/mach/pci.h> /* for pci_sys_data */
6 
7 extern unsigned long pcibios_min_io;
8 #define PCIBIOS_MIN_IO pcibios_min_io
9 extern unsigned long pcibios_min_mem;
10 #define PCIBIOS_MIN_MEM pcibios_min_mem
11 
12 static inline int pcibios_assign_all_busses(void)
13 {
14 	return pci_has_flag(PCI_REASSIGN_ALL_RSRC);
15 }
16 
17 #ifdef CONFIG_PCI_DOMAINS
18 static inline int pci_proc_domain(struct pci_bus *bus)
19 {
20 	return pci_domain_nr(bus);
21 }
22 #endif /* CONFIG_PCI_DOMAINS */
23 
24 /*
25  * The PCI address space does equal the physical memory address space.
26  * The networking and block device layers use this boolean for bounce
27  * buffer decisions.
28  */
29 #define PCI_DMA_BUS_IS_PHYS     (1)
30 
31 #define HAVE_PCI_MMAP
32 extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
33                                enum pci_mmap_state mmap_state, int write_combine);
34 
35 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
36 {
37 	return channel ? 15 : 14;
38 }
39 
40 #endif /* __KERNEL__ */
41 #endif
42