1 #ifndef ASMARM_PCI_H 2 #define ASMARM_PCI_H 3 4 #ifdef __KERNEL__ 5 #include <asm-generic/pci-dma-compat.h> 6 #include <asm-generic/pci-bridge.h> 7 8 #include <asm/mach/pci.h> /* for pci_sys_data */ 9 10 extern unsigned long pcibios_min_io; 11 #define PCIBIOS_MIN_IO pcibios_min_io 12 extern unsigned long pcibios_min_mem; 13 #define PCIBIOS_MIN_MEM pcibios_min_mem 14 15 static inline int pcibios_assign_all_busses(void) 16 { 17 return pci_has_flag(PCI_REASSIGN_ALL_RSRC); 18 } 19 20 #ifdef CONFIG_PCI_DOMAINS 21 static inline int pci_domain_nr(struct pci_bus *bus) 22 { 23 struct pci_sys_data *root = bus->sysdata; 24 25 return root->domain; 26 } 27 28 static inline int pci_proc_domain(struct pci_bus *bus) 29 { 30 return pci_domain_nr(bus); 31 } 32 #endif /* CONFIG_PCI_DOMAINS */ 33 34 #ifdef CONFIG_PCI_HOST_ITE8152 35 /* ITE bridge requires setting latency timer to avoid early bus access 36 termination by PIC bus mater devices 37 */ 38 extern void pcibios_set_master(struct pci_dev *dev); 39 #else 40 static inline void pcibios_set_master(struct pci_dev *dev) 41 { 42 /* No special bus mastering setup handling */ 43 } 44 #endif 45 46 static inline void pcibios_penalize_isa_irq(int irq, int active) 47 { 48 /* We don't do dynamic PCI IRQ allocation */ 49 } 50 51 /* 52 * The PCI address space does equal the physical memory address space. 53 * The networking and block device layers use this boolean for bounce 54 * buffer decisions. 55 */ 56 #define PCI_DMA_BUS_IS_PHYS (1) 57 58 #ifdef CONFIG_PCI 59 static inline void pci_dma_burst_advice(struct pci_dev *pdev, 60 enum pci_dma_burst_strategy *strat, 61 unsigned long *strategy_parameter) 62 { 63 *strat = PCI_DMA_BURST_INFINITY; 64 *strategy_parameter = ~0UL; 65 } 66 #endif 67 68 #define HAVE_PCI_MMAP 69 extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, 70 enum pci_mmap_state mmap_state, int write_combine); 71 72 extern void 73 pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, 74 struct resource *res); 75 76 extern void 77 pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, 78 struct pci_bus_region *region); 79 80 /* 81 * Dummy implementation; always return 0. 82 */ 83 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) 84 { 85 return 0; 86 } 87 88 #endif /* __KERNEL__ */ 89 90 #endif 91