LXR linux/arch/csky/include/asm/pci.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2
   3#ifndef __ASM_CSKY_PCI_H
   4#define __ASM_CSKY_PCI_H
   5
   6#include <linux/types.h>
   7#include <linux/slab.h>
   8#include <linux/dma-mapping.h>
   9
  10#include <asm/io.h>
  11
  12#define PCIBIOS_MIN_IO          0
  13#define PCIBIOS_MIN_MEM         0
  14
  15/* C-SKY shim does not initialize PCI bus */
  16#define pcibios_assign_all_busses() 1
  17
  18extern int isa_dma_bridge_buggy;
  19
  20#ifdef CONFIG_PCI
  21static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  22{
  23        /* no legacy IRQ on csky */
  24        return -ENODEV;
  25}
  26
  27static inline int pci_proc_domain(struct pci_bus *bus)
  28{
  29        /* always show the domain in /proc */
  30        return 1;
  31}
  32#endif  /* CONFIG_PCI */
  33
  34#endif  /* __ASM_CSKY_PCI_H */
  35