/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_PCI_H #define ___ASM_SPARC_PCI_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 #ifdef [31mCONFIG_SPARC64[0m /* 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 #endif /* CONFIG_SPARC64 */ #if defined([31mCONFIG_SPARC64[0m) || defined([31mCONFIG_LEON_PCI[0m) static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) { return PCI_IRQ_NONE; } #else #include <asm-generic/pci.h> #endif #endif /* ___ASM_SPARC_PCI_H */ |