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)19 static 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)31 static 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
55 extern void
56 pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
57 struct resource *res);
58
59 extern void
60 pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
61 struct pci_bus_region *region);
62
pci_get_legacy_ide_irq(struct pci_dev * dev,int channel)63 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
64 {
65 return PCI_IRQ_NONE;
66 }
67 #endif
68
69 #endif /* __SPARC_PCI_H */
70