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1#ifndef ASMARM_PCI_H
2#define ASMARM_PCI_H
3
4#ifdef __KERNEL__
5#include <asm-generic/pci-dma-compat.h>
6
7#include <asm/hardware.h> /* for PCIBIOS_MIN_* */
8
9#define pcibios_scan_all_fns(a, b) 0
10
11#ifdef CONFIG_PCI_HOST_ITE8152
12/* ITE bridge requires setting latency timer to avoid early bus access
13 termination by PIC bus mater devices
14*/
15extern void pcibios_set_master(struct pci_dev *dev);
16#else
17static inline void pcibios_set_master(struct pci_dev *dev)
18{
19 /* No special bus mastering setup handling */
20}
21#endif
22
23static inline void pcibios_penalize_isa_irq(int irq, int active)
24{
25 /* We don't do dynamic PCI IRQ allocation */
26}
27
28/*
29 * The PCI address space does equal the physical memory address space.
30 * The networking and block device layers use this boolean for bounce
31 * buffer decisions.
32 */
33#define PCI_DMA_BUS_IS_PHYS (0)
34
35/*
36 * Whether pci_unmap_{single,page} is a nop depends upon the
37 * configuration.
38 */
39#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME;
40#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) __u32 LEN_NAME;
41#define pci_unmap_addr(PTR, ADDR_NAME) ((PTR)->ADDR_NAME)
42#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL))
43#define pci_unmap_len(PTR, LEN_NAME) ((PTR)->LEN_NAME)
44#define pci_unmap_len_set(PTR, LEN_NAME, VAL) (((PTR)->LEN_NAME) = (VAL))
45
46#ifdef CONFIG_PCI
47static 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#define HAVE_PCI_MMAP
57extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
58 enum pci_mmap_state mmap_state, int write_combine);
59
60extern void
61pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
62 struct resource *res);
63
64extern void
65pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
66 struct pci_bus_region *region);
67
68static inline struct resource *
69pcibios_select_root(struct pci_dev *pdev, struct resource *res)
70{
71 struct resource *root = NULL;
72
73 if (res->flags & IORESOURCE_IO)
74 root = &ioport_resource;
75 if (res->flags & IORESOURCE_MEM)
76 root = &iomem_resource;
77
78 return root;
79}
80
81#endif /* __KERNEL__ */
82
83#endif