| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __SPARC64_PCI_H |
| #define __SPARC64_PCI_H |
| |
| #ifdef __KERNEL__ |
| |
| #include <linux/dma-mapping.h> |
| |
| /* Can be used to override the logic in pci_scan_bus for skipping |
| * already-configured bus numbers - to be used for buggy BIOSes |
| * or architectures with incomplete PCI setup by the loader. |
| */ |
| #define pcibios_assign_all_busses() 0 |
| |
| #define PCIBIOS_MIN_IO 0UL |
| #define PCIBIOS_MIN_MEM 0UL |
| |
| #define PCI_IRQ_NONE 0xffffffff |
| |
| /* The PCI address space does not equal the physical memory |
| * address space. The networking and block device layers use |
| * this boolean for bounce buffer decisions. |
| */ |
| #define PCI_DMA_BUS_IS_PHYS (0) |
| |
| /* PCI IOMMU mapping bypass support. */ |
| |
| /* PCI 64-bit addressing works for all slots on all controller |
| * types on sparc64. However, it requires that the device |
| * can drive enough of the 64 bits. |
| */ |
| #define PCI64_REQUIRED_MASK (~(u64)0) |
| #define PCI64_ADDR_BASE 0xfffc000000000000UL |
| |
| /* Return the index of the PCI controller for device PDEV. */ |
| |
| int pci_domain_nr(struct pci_bus *bus); |
| static inline int pci_proc_domain(struct pci_bus *bus) |
| { |
| return 1; |
| } |
| |
| /* Platform support for /proc/bus/pci/X/Y mmap()s. */ |
| |
| #define HAVE_PCI_MMAP |
| #define arch_can_pci_mmap_io() 1 |
| #define HAVE_ARCH_PCI_GET_UNMAPPED_AREA |
| #define get_pci_unmapped_area get_fb_unmapped_area |
| |
| static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) |
| { |
| return PCI_IRQ_NONE; |
| } |
| |
| #define HAVE_ARCH_PCI_RESOURCE_TO_USER |
| #endif /* __KERNEL__ */ |
| |
| #endif /* __SPARC64_PCI_H */ |
