Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
pci_32.h
Go to the documentation of this file.
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 
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
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 static 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 */