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1#ifndef __ASM_CRIS_PCI_H
2#define __ASM_CRIS_PCI_H
3
4#include <linux/config.h>
5
6#ifdef __KERNEL__
7#include <linux/mm.h> /* for struct page */
8
9/* Can be used to override the logic in pci_scan_bus for skipping
10 already-configured bus numbers - to be used for buggy BIOSes
11 or architectures with incomplete PCI setup by the loader */
12
13#define pcibios_assign_all_busses(void) 1
14
15extern unsigned long pci_mem_start;
16#define PCIBIOS_MIN_IO 0x1000
17#define PCIBIOS_MIN_MEM 0x10000000
18
19#define PCIBIOS_MIN_CARDBUS_IO 0x4000
20
21void pcibios_config_init(void);
22struct pci_bus * pcibios_scan_root(int bus);
23int pcibios_assign_resources(void);
24
25void pcibios_set_master(struct pci_dev *dev);
26void pcibios_penalize_isa_irq(int irq);
27struct irq_routing_table *pcibios_get_irq_routing_table(void);
28int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
29
30/* Dynamic DMA mapping stuff.
31 * i386 has everything mapped statically.
32 */
33
34#include <linux/types.h>
35#include <linux/slab.h>
36#include <asm/scatterlist.h>
37#include <linux/string.h>
38#include <asm/io.h>
39
40struct pci_dev;
41
42/* The PCI address space does equal the physical memory
43 * address space. The networking and block device layers use
44 * this boolean for bounce buffer decisions.
45 */
46#define PCI_DMA_BUS_IS_PHYS (1)
47
48/* pci_unmap_{page,single} is a nop so... */
49#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
50#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
51#define pci_unmap_addr(PTR, ADDR_NAME) (0)
52#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
53#define pci_unmap_len(PTR, LEN_NAME) (0)
54#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
55
56/* This is always fine. */
57#define pci_dac_dma_supported(pci_dev, mask) (1)
58
59static inline dma64_addr_t
60pci_dac_page_to_dma(struct pci_dev *pdev, struct page *page, unsigned long offset, int direction)
61{
62 return ((dma64_addr_t) page_to_phys(page) +
63 (dma64_addr_t) offset);
64}
65
66static inline struct page *
67pci_dac_dma_to_page(struct pci_dev *pdev, dma64_addr_t dma_addr)
68{
69 return pfn_to_page(dma_addr >> PAGE_SHIFT);
70}
71
72static inline unsigned long
73pci_dac_dma_to_offset(struct pci_dev *pdev, dma64_addr_t dma_addr)
74{
75 return (dma_addr & ~PAGE_MASK);
76}
77
78static inline void
79pci_dac_dma_sync_single_for_cpu(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction)
80{
81}
82
83static inline void
84pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction)
85{
86}
87
88#define HAVE_PCI_MMAP
89extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
90 enum pci_mmap_state mmap_state, int write_combine);
91
92
93static inline void pcibios_add_platform_entries(struct pci_dev *dev)
94{
95}
96
97#endif /* __KERNEL__ */
98
99/* implement the pci_ DMA API in terms of the generic device dma_ one */
100#include <asm-generic/pci-dma-compat.h>
101
102/* generic pci stuff */
103#include <asm-generic/pci.h>
104
105#endif /* __ASM_CRIS_PCI_H */