1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef ___ASM_SPARC_PCI_H
3 #define ___ASM_SPARC_PCI_H
4
5
6 /* Can be used to override the logic in pci_scan_bus for skipping
7 * already-configured bus numbers - to be used for buggy BIOSes
8 * or architectures with incomplete PCI setup by the loader.
9 */
10 #define pcibios_assign_all_busses() 0
11
12 #define PCIBIOS_MIN_IO 0UL
13 #define PCIBIOS_MIN_MEM 0UL
14
15 #define PCI_IRQ_NONE 0xffffffff
16
17
18 #ifdef CONFIG_SPARC64
19
20 /* PCI IOMMU mapping bypass support. */
21
22 /* PCI 64-bit addressing works for all slots on all controller
23 * types on sparc64. However, it requires that the device
24 * can drive enough of the 64 bits.
25 */
26 #define PCI64_REQUIRED_MASK (~(u64)0)
27 #define PCI64_ADDR_BASE 0xfffc000000000000UL
28
29 /* Return the index of the PCI controller for device PDEV. */
30 int pci_domain_nr(struct pci_bus *bus);
31 static inline int pci_proc_domain(struct pci_bus *bus)
32 {
33 return 1;
34 }
35
36 /* Platform support for /proc/bus/pci/X/Y mmap()s. */
37 #define HAVE_PCI_MMAP
38 #define arch_can_pci_mmap_io() 1
39 #define HAVE_ARCH_PCI_GET_UNMAPPED_AREA
40 #define ARCH_GENERIC_PCI_MMAP_RESOURCE
41 #define get_pci_unmapped_area get_fb_unmapped_area
42 #endif /* CONFIG_SPARC64 */
43
44 #endif /* ___ASM_SPARC_PCI_H */
45
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