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kernel/linux-rt-4.4.41/arch/frv/include/asm/pci.h 1.55 KB
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  /* pci.h: FR-V specific PCI declarations
   *
   * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
   * Written by David Howells (dhowells@redhat.com)
   * - Derived from include/asm-m68k/pci.h
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License
   * as published by the Free Software Foundation; either version
   * 2 of the License, or (at your option) any later version.
   */
  
  #ifndef _ASM_FRV_PCI_H
  #define _ASM_FRV_PCI_H
  
  #include <linux/mm.h>
  #include <linux/scatterlist.h>
  #include <asm-generic/pci-dma-compat.h>
  #include <asm-generic/pci.h>
  
  struct pci_dev;
  
  #define pcibios_assign_all_busses()	0
  
  extern void pcibios_set_master(struct pci_dev *dev);
  
  #ifdef CONFIG_MMU
  extern void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *dma_handle);
  extern void consistent_free(void *vaddr);
  extern void consistent_sync(void *vaddr, size_t size, int direction);
  extern void consistent_sync_page(struct page *page, unsigned long offset,
  				 size_t size, int direction);
  #endif
  
  extern void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
  				  dma_addr_t *dma_handle);
  
  extern void pci_free_consistent(struct pci_dev *hwdev, size_t size,
  				void *vaddr, dma_addr_t dma_handle);
  
  /* Return the index of the PCI controller for device PDEV. */
  #define pci_controller_num(PDEV)	(0)
  
  /*
   *	These are pretty much arbitrary with the CoMEM implementation.
   *	We have the whole address space to ourselves.
   */
  #define PCIBIOS_MIN_IO		0x100
  #define PCIBIOS_MIN_MEM		0x00010000
  
  #endif /* _ASM_FRV_PCI_H */