1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2a439fe51SSam Ravnborg #ifndef ___ASM_SPARC_PCI_H 3a439fe51SSam Ravnborg #define ___ASM_SPARC_PCI_H 46aa69750SChristoph Hellwig 56aa69750SChristoph Hellwig 66aa69750SChristoph Hellwig /* Can be used to override the logic in pci_scan_bus for skipping 76aa69750SChristoph Hellwig * already-configured bus numbers - to be used for buggy BIOSes 86aa69750SChristoph Hellwig * or architectures with incomplete PCI setup by the loader. 96aa69750SChristoph Hellwig */ 106aa69750SChristoph Hellwig #define pcibios_assign_all_busses() 0 116aa69750SChristoph Hellwig 126aa69750SChristoph Hellwig #define PCIBIOS_MIN_IO 0UL 136aa69750SChristoph Hellwig #define PCIBIOS_MIN_MEM 0UL 146aa69750SChristoph Hellwig 156aa69750SChristoph Hellwig #define PCI_IRQ_NONE 0xffffffff 166aa69750SChristoph Hellwig 176aa69750SChristoph Hellwig 186aa69750SChristoph Hellwig #ifdef CONFIG_SPARC64 196aa69750SChristoph Hellwig 206aa69750SChristoph Hellwig /* PCI IOMMU mapping bypass support. */ 216aa69750SChristoph Hellwig 226aa69750SChristoph Hellwig /* PCI 64-bit addressing works for all slots on all controller 236aa69750SChristoph Hellwig * types on sparc64. However, it requires that the device 246aa69750SChristoph Hellwig * can drive enough of the 64 bits. 256aa69750SChristoph Hellwig */ 266aa69750SChristoph Hellwig #define PCI64_REQUIRED_MASK (~(u64)0) 276aa69750SChristoph Hellwig #define PCI64_ADDR_BASE 0xfffc000000000000UL 286aa69750SChristoph Hellwig 296aa69750SChristoph Hellwig /* Return the index of the PCI controller for device PDEV. */ 306aa69750SChristoph Hellwig int pci_domain_nr(struct pci_bus *bus); pci_proc_domain(struct pci_bus * bus)316aa69750SChristoph Hellwigstatic inline int pci_proc_domain(struct pci_bus *bus) 326aa69750SChristoph Hellwig { 336aa69750SChristoph Hellwig return 1; 346aa69750SChristoph Hellwig } 356aa69750SChristoph Hellwig 366aa69750SChristoph Hellwig /* Platform support for /proc/bus/pci/X/Y mmap()s. */ 376aa69750SChristoph Hellwig #define HAVE_PCI_MMAP 386aa69750SChristoph Hellwig #define arch_can_pci_mmap_io() 1 396aa69750SChristoph Hellwig #define HAVE_ARCH_PCI_GET_UNMAPPED_AREA 40*c1ef3224SArnd Bergmann #define ARCH_GENERIC_PCI_MMAP_RESOURCE 416aa69750SChristoph Hellwig #define get_pci_unmapped_area get_fb_unmapped_area 426aa69750SChristoph Hellwig #endif /* CONFIG_SPARC64 */ 436aa69750SChristoph Hellwig 446aa69750SChristoph Hellwig #endif /* ___ASM_SPARC_PCI_H */ 45