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52 lines
1.3 KiB
52 lines
1.3 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef ___ASM_SPARC_PCI_H |
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#define ___ASM_SPARC_PCI_H |
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/* Can be used to override the logic in pci_scan_bus for skipping |
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* already-configured bus numbers - to be used for buggy BIOSes |
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* or architectures with incomplete PCI setup by the loader. |
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*/ |
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#define pcibios_assign_all_busses() 0 |
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#define PCIBIOS_MIN_IO 0UL |
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#define PCIBIOS_MIN_MEM 0UL |
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#define PCI_IRQ_NONE 0xffffffff |
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#ifdef CONFIG_SPARC64 |
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/* PCI IOMMU mapping bypass support. */ |
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/* PCI 64-bit addressing works for all slots on all controller |
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* types on sparc64. However, it requires that the device |
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* can drive enough of the 64 bits. |
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*/ |
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#define PCI64_REQUIRED_MASK (~(u64)0) |
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#define PCI64_ADDR_BASE 0xfffc000000000000UL |
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/* Return the index of the PCI controller for device PDEV. */ |
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int pci_domain_nr(struct pci_bus *bus); |
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static inline int pci_proc_domain(struct pci_bus *bus) |
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{ |
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return 1; |
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} |
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/* Platform support for /proc/bus/pci/X/Y mmap()s. */ |
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#define HAVE_PCI_MMAP |
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#define arch_can_pci_mmap_io() 1 |
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#define HAVE_ARCH_PCI_GET_UNMAPPED_AREA |
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#define get_pci_unmapped_area get_fb_unmapped_area |
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#endif /* CONFIG_SPARC64 */ |
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#if defined(CONFIG_SPARC64) || defined(CONFIG_LEON_PCI) |
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static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) |
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{ |
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return PCI_IRQ_NONE; |
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} |
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#else |
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#include <asm-generic/pci.h> |
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#endif |
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#endif /* ___ASM_SPARC_PCI_H */
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