1 /* pci.h: FR-V specific PCI declarations
2 *
3 * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 * - Derived from include/asm-m68k/pci.h
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 */
12
13 #ifndef _ASM_FRV_PCI_H
14 #define _ASM_FRV_PCI_H
15
16 #include <linux/mm.h>
17 #include <asm/scatterlist.h>
18 #include <asm-generic/pci-dma-compat.h>
19 #include <asm-generic/pci.h>
20
21 struct pci_dev;
22
23 #define pcibios_assign_all_busses() 0
24
25 extern void pcibios_set_master(struct pci_dev *dev);
26
27 extern void pcibios_penalize_isa_irq(int irq);
28
29 #ifdef CONFIG_MMU
30 extern void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *dma_handle);
31 extern void consistent_free(void *vaddr);
32 extern void consistent_sync(void *vaddr, size_t size, int direction);
33 extern void consistent_sync_page(struct page *page, unsigned long offset,
34 size_t size, int direction);
35 #endif
36
37 extern void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
38 dma_addr_t *dma_handle);
39
40 extern void pci_free_consistent(struct pci_dev *hwdev, size_t size,
41 void *vaddr, dma_addr_t dma_handle);
42
43 /* Return the index of the PCI controller for device PDEV. */
44 #define pci_controller_num(PDEV) (0)
45
46 #ifdef CONFIG_PCI
pci_dma_burst_advice(struct pci_dev * pdev,enum pci_dma_burst_strategy * strat,unsigned long * strategy_parameter)47 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
48 enum pci_dma_burst_strategy *strat,
49 unsigned long *strategy_parameter)
50 {
51 *strat = PCI_DMA_BURST_INFINITY;
52 *strategy_parameter = ~0UL;
53 }
54 #endif
55
56 /*
57 * These are pretty much arbitrary with the CoMEM implementation.
58 * We have the whole address space to ourselves.
59 */
60 #define PCIBIOS_MIN_IO 0x100
61 #define PCIBIOS_MIN_MEM 0x00010000
62
63 #endif /* _ASM_FRV_PCI_H */
64