1 #ifndef __SPARC_PCI_H 2 #define __SPARC_PCI_H 3 4 #ifdef __KERNEL__ 5 6 #include <linux/dma-mapping.h> 7 8 /* Can be used to override the logic in pci_scan_bus for skipping 9 * already-configured bus numbers - to be used for buggy BIOSes 10 * or architectures with incomplete PCI setup by the loader. 11 */ 12 #define pcibios_assign_all_busses() 0 13 14 #define PCIBIOS_MIN_IO 0UL 15 #define PCIBIOS_MIN_MEM 0UL 16 17 #define PCI_IRQ_NONE 0xffffffff 18 pcibios_penalize_isa_irq(int irq,int active)19static inline void pcibios_penalize_isa_irq(int irq, int active) 20 { 21 /* We don't do dynamic PCI IRQ allocation */ 22 } 23 24 /* Dynamic DMA mapping stuff. 25 */ 26 #define PCI_DMA_BUS_IS_PHYS (0) 27 28 struct pci_dev; 29 30 #ifdef CONFIG_PCI pci_dma_burst_advice(struct pci_dev * pdev,enum pci_dma_burst_strategy * strat,unsigned long * strategy_parameter)31static inline void pci_dma_burst_advice(struct pci_dev *pdev, 32 enum pci_dma_burst_strategy *strat, 33 unsigned long *strategy_parameter) 34 { 35 *strat = PCI_DMA_BURST_INFINITY; 36 *strategy_parameter = ~0UL; 37 } 38 #endif 39 40 #endif /* __KERNEL__ */ 41 42 #ifndef CONFIG_LEON_PCI 43 /* generic pci stuff */ 44 #include <asm-generic/pci.h> 45 #else 46 /* 47 * On LEON PCI Memory space is mapped 1:1 with physical address space. 48 * 49 * I/O space is located at low 64Kbytes in PCI I/O space. The I/O addresses 50 * are converted into CPU addresses to virtual addresses that are mapped with 51 * MMU to the PCI Host PCI I/O space window which are translated to the low 52 * 64Kbytes by the Host controller. 53 */ 54 pci_get_legacy_ide_irq(struct pci_dev * dev,int channel)55static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) 56 { 57 return PCI_IRQ_NONE; 58 } 59 #endif 60 61 #endif /* __SPARC_PCI_H */ 62