xref: /linux/arch/arm/include/asm/pci.h (revision b2d0f5d5dc53532e6f07bc546a476a55ebdfe0f3)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef ASMARM_PCI_H
3 #define ASMARM_PCI_H
4 
5 #ifdef __KERNEL__
6 #include <asm/mach/pci.h> /* for pci_sys_data */
7 
8 extern unsigned long pcibios_min_io;
9 #define PCIBIOS_MIN_IO pcibios_min_io
10 extern unsigned long pcibios_min_mem;
11 #define PCIBIOS_MIN_MEM pcibios_min_mem
12 
13 static inline int pcibios_assign_all_busses(void)
14 {
15 	return pci_has_flag(PCI_REASSIGN_ALL_RSRC);
16 }
17 
18 #ifdef CONFIG_PCI_DOMAINS
19 static inline int pci_proc_domain(struct pci_bus *bus)
20 {
21 	return pci_domain_nr(bus);
22 }
23 #endif /* CONFIG_PCI_DOMAINS */
24 
25 /*
26  * The PCI address space does equal the physical memory address space.
27  * The networking and block device layers use this boolean for bounce
28  * buffer decisions.
29  */
30 #define PCI_DMA_BUS_IS_PHYS     (1)
31 
32 #define HAVE_PCI_MMAP
33 #define ARCH_GENERIC_PCI_MMAP_RESOURCE
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