arch/sparc/include/asm/pci_32.h

   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 /* Dynamic DMA mapping stuff.
  20  */
  21 #define PCI_DMA_BUS_IS_PHYS     (0)
  22
  23 struct pci_dev;
  24
  25 #ifdef CONFIG_PCI
  26 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
  27                                         enum pci_dma_burst_strategy *strat,
  28                                         unsigned long *strategy_parameter)
  29 {
  30         *strat = PCI_DMA_BURST_INFINITY;
  31         *strategy_parameter = ~0UL;
  32 }
  33 #endif
  34
  35 #endif /* __KERNEL__ */
  36
  37 #ifndef CONFIG_LEON_PCI
  38 /* generic pci stuff */
  39 #include <asm-generic/pci.h>
  40 #else
  41 /*
  42  * On LEON PCI Memory space is mapped 1:1 with physical address space.
  43  *
  44  * I/O space is located at low 64Kbytes in PCI I/O space. The I/O addresses
  45  * are converted into CPU addresses to virtual addresses that are mapped with
  46  * MMU to the PCI Host PCI I/O space window which are translated to the low
  47  * 64Kbytes by the Host controller.
  48  */
  49
  50 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  51 {
  52         return PCI_IRQ_NONE;
  53 }
  54 #endif
  55
  56 #endif /* __SPARC_PCI_H */