| #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 |
| |
| static inline void pcibios_penalize_isa_irq(int irq, int active) |
| { |
| /* We don't do dynamic PCI IRQ allocation */ |
| } |
| |
| /* 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 |
| |
| #ifdef CONFIG_PCI |
| static inline void pci_dma_burst_advice(struct pci_dev *pdev, |
| enum pci_dma_burst_strategy *strat, |
| unsigned long *strategy_parameter) |
| { |
| unsigned long cacheline_size; |
| u8 byte; |
| |
| pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte); |
| if (byte == 0) |
| cacheline_size = 1024; |
| else |
| cacheline_size = (int) byte * 4; |
| |
| *strat = PCI_DMA_BURST_BOUNDARY; |
| *strategy_parameter = cacheline_size; |
| } |
| #endif |
| |
| /* Return the index of the PCI controller for device PDEV. */ |
| |
| extern 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 HAVE_ARCH_PCI_GET_UNMAPPED_AREA |
| #define get_pci_unmapped_area get_fb_unmapped_area |
| |
| extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, |
| enum pci_mmap_state mmap_state, |
| int write_combine); |
| |
| extern void |
| pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, |
| struct resource *res); |
| |
| extern void |
| pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, |
| struct pci_bus_region *region); |
| |
| 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 |
| extern void pci_resource_to_user(const struct pci_dev *dev, int bar, |
| const struct resource *rsrc, |
| resource_size_t *start, resource_size_t *end); |
| #endif /* __KERNEL__ */ |
| |
| #endif /* __SPARC64_PCI_H */ |
