1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __SPARC64_PCI_H 3 #define __SPARC64_PCI_H 4 5 #ifdef __KERNEL__ 6 7 #include <linux/dma-mapping.h> 8 9 /* Can be used to override the logic in pci_scan_bus for skipping 10 * already-configured bus numbers - to be used for buggy BIOSes 11 * or architectures with incomplete PCI setup by the loader. 12 */ 13 #define pcibios_assign_all_busses() 0 14 15 #define PCIBIOS_MIN_IO 0UL 16 #define PCIBIOS_MIN_MEM 0UL 17 18 #define PCI_IRQ_NONE 0xffffffff 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 31 int pci_domain_nr(struct pci_bus *bus); pci_proc_domain(struct pci_bus * bus)32static inline int pci_proc_domain(struct pci_bus *bus) 33 { 34 return 1; 35 } 36 37 /* Platform support for /proc/bus/pci/X/Y mmap()s. */ 38 39 #define HAVE_PCI_MMAP 40 #define arch_can_pci_mmap_io() 1 41 #define HAVE_ARCH_PCI_GET_UNMAPPED_AREA 42 #define get_pci_unmapped_area get_fb_unmapped_area 43 pci_get_legacy_ide_irq(struct pci_dev * dev,int channel)44static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) 45 { 46 return PCI_IRQ_NONE; 47 } 48 49 #define HAVE_ARCH_PCI_RESOURCE_TO_USER 50 #endif /* __KERNEL__ */ 51 52 #endif /* __SPARC64_PCI_H */ 53
