1 #ifndef __ASM_CRIS_PCI_H
2 #define __ASM_CRIS_PCI_H
4 #include <linux/config.h>
7 #include <linux/mm.h> /* for struct page */
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 */
13 #define pcibios_assign_all_busses(void) 1
15 extern unsigned long pci_mem_start;
16 #define PCIBIOS_MIN_IO 0x1000
17 #define PCIBIOS_MIN_MEM 0x10000000
19 #define PCIBIOS_MIN_CARDBUS_IO 0x4000
21 void pcibios_config_init(void);
22 struct pci_bus * pcibios_scan_root(int bus);
23 int pcibios_assign_resources(void);
25 void pcibios_set_master(struct pci_dev *dev);
26 void pcibios_penalize_isa_irq(int irq);
27 struct irq_routing_table *pcibios_get_irq_routing_table(void);
28 int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
30 /* Dynamic DMA mapping stuff.
31 * i386 has everything mapped statically.
34 #include <linux/types.h>
35 #include <linux/slab.h>
36 #include <asm/scatterlist.h>
37 #include <linux/string.h>
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.
46 #define PCI_DMA_BUS_IS_PHYS (1)
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)
56 /* This is always fine. */
57 #define pci_dac_dma_supported(pci_dev, mask) (1)
59 static inline dma64_addr_t
60 pci_dac_page_to_dma(struct pci_dev *pdev, struct page *page, unsigned long offset, int direction)
62 return ((dma64_addr_t) page_to_phys(page) +
63 (dma64_addr_t) offset);
66 static inline struct page *
67 pci_dac_dma_to_page(struct pci_dev *pdev, dma64_addr_t dma_addr)
69 return pfn_to_page(dma_addr >> PAGE_SHIFT);
72 static inline unsigned long
73 pci_dac_dma_to_offset(struct pci_dev *pdev, dma64_addr_t dma_addr)
75 return (dma_addr & ~PAGE_MASK);
79 pci_dac_dma_sync_single_for_cpu(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction)
84 pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction)
89 extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
90 enum pci_mmap_state mmap_state, int write_combine);
93 static inline void pcibios_add_platform_entries(struct pci_dev *dev)
97 #endif /* __KERNEL__ */
99 /* implement the pci_ DMA API in terms of the generic device dma_ one */
100 #include <asm-generic/pci-dma-compat.h>
102 /* generic pci stuff */
103 #include <asm-generic/pci.h>
105 #endif /* __ASM_CRIS_PCI_H */