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
11static inline void pcibios_set_master(struct pci_dev *dev)
12{
13	/* No special bus mastering setup handling */
14}
15
16static inline void pcibios_penalize_isa_irq(int irq, int active)
17{
18	/* We don't do dynamic PCI IRQ allocation */
19}
20
21/*
22 * The PCI address space does equal the physical memory address space.
23 * The networking and block device layers use this boolean for bounce
24 * buffer decisions.
25 */
26#define PCI_DMA_BUS_IS_PHYS     (0)
27
28/*
29 * We don't support DAC DMA cycles.
30 */
31#define pci_dac_dma_supported(pci_dev, mask)	(0)
32
33/*
34 * Whether pci_unmap_{single,page} is a nop depends upon the
35 * configuration.
36 */
37#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)	dma_addr_t ADDR_NAME;
38#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)		__u32 LEN_NAME;
39#define pci_unmap_addr(PTR, ADDR_NAME)		((PTR)->ADDR_NAME)
40#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)	(((PTR)->ADDR_NAME) = (VAL))
41#define pci_unmap_len(PTR, LEN_NAME)		((PTR)->LEN_NAME)
42#define pci_unmap_len_set(PTR, LEN_NAME, VAL)	(((PTR)->LEN_NAME) = (VAL))
43
44#ifdef CONFIG_PCI
45static inline void pci_dma_burst_advice(struct pci_dev *pdev,
46					enum pci_dma_burst_strategy *strat,
47					unsigned long *strategy_parameter)
48{
49	*strat = PCI_DMA_BURST_INFINITY;
50	*strategy_parameter = ~0UL;
51}
52#endif
53
54#define HAVE_PCI_MMAP
55extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
56                               enum pci_mmap_state mmap_state, int write_combine);
57
58extern void
59pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
60			 struct resource *res);
61
62extern void
63pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
64			struct pci_bus_region *region);
65
66static inline struct resource *
67pcibios_select_root(struct pci_dev *pdev, struct resource *res)
68{
69	struct resource *root = NULL;
70
71	if (res->flags & IORESOURCE_IO)
72		root = &ioport_resource;
73	if (res->flags & IORESOURCE_MEM)
74		root = &iomem_resource;
75
76	return root;
77}
78
79static inline void pcibios_add_platform_entries(struct pci_dev *dev)
80{
81}
82
83#endif /* __KERNEL__ */
84
85#endif
86