LXR linux/arch/sparc/include/asm/pci

   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
  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
  28struct pci_dev;
  29
  30#ifdef CONFIG_PCI
  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
  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