diff options
Diffstat (limited to 'include/asm-blackfin/pci.h')
| -rw-r--r-- | include/asm-blackfin/pci.h | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/include/asm-blackfin/pci.h b/include/asm-blackfin/pci.h deleted file mode 100644 index 61277358c865..000000000000 --- a/include/asm-blackfin/pci.h +++ /dev/null | |||
| @@ -1,148 +0,0 @@ | |||
| 1 | /* Changed from asm-m68k version, Lineo Inc. May 2001 */ | ||
| 2 | |||
| 3 | #ifndef _ASM_BFIN_PCI_H | ||
| 4 | #define _ASM_BFIN_PCI_H | ||
| 5 | |||
| 6 | #include <asm/scatterlist.h> | ||
| 7 | |||
| 8 | /* | ||
| 9 | * | ||
| 10 | * Written by Wout Klaren. | ||
| 11 | */ | ||
| 12 | |||
| 13 | /* Added by Chang Junxiao */ | ||
| 14 | #define PCIBIOS_MIN_IO 0x00001000 | ||
| 15 | #define PCIBIOS_MIN_MEM 0x10000000 | ||
| 16 | |||
| 17 | #define PCI_DMA_BUS_IS_PHYS (1) | ||
| 18 | struct pci_ops; | ||
| 19 | |||
| 20 | /* | ||
| 21 | * Structure with hardware dependent information and functions of the | ||
| 22 | * PCI bus. | ||
| 23 | */ | ||
| 24 | struct pci_bus_info { | ||
| 25 | |||
| 26 | /* | ||
| 27 | * Resources of the PCI bus. | ||
| 28 | */ | ||
| 29 | struct resource mem_space; | ||
| 30 | struct resource io_space; | ||
| 31 | |||
| 32 | /* | ||
| 33 | * System dependent functions. | ||
| 34 | */ | ||
| 35 | struct pci_ops *bfin_pci_ops; | ||
| 36 | void (*fixup) (int pci_modify); | ||
| 37 | void (*conf_device) (unsigned char bus, unsigned char device_fn); | ||
| 38 | }; | ||
| 39 | |||
| 40 | #define pcibios_assign_all_busses() 0 | ||
| 41 | static inline void pcibios_set_master(struct pci_dev *dev) | ||
| 42 | { | ||
| 43 | |||
| 44 | /* No special bus mastering setup handling */ | ||
| 45 | } | ||
| 46 | static inline void pcibios_penalize_isa_irq(int irq) | ||
| 47 | { | ||
| 48 | |||
| 49 | /* We don't do dynamic PCI IRQ allocation */ | ||
| 50 | } | ||
| 51 | static inline dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr, | ||
| 52 | size_t size, int direction) | ||
| 53 | { | ||
| 54 | if (direction == PCI_DMA_NONE) | ||
| 55 | BUG(); | ||
| 56 | |||
| 57 | /* return virt_to_bus(ptr); */ | ||
| 58 | return (dma_addr_t) ptr; | ||
| 59 | } | ||
| 60 | |||
| 61 | /* Unmap a single streaming mode DMA translation. The dma_addr and size | ||
| 62 | * must match what was provided for in a previous pci_map_single call. All | ||
| 63 | * other usages are undefined. | ||
| 64 | * | ||
| 65 | * After this call, reads by the cpu to the buffer are guarenteed to see | ||
| 66 | * whatever the device wrote there. | ||
| 67 | */ | ||
| 68 | static inline void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr, | ||
| 69 | size_t size, int direction) | ||
| 70 | { | ||
| 71 | if (direction == PCI_DMA_NONE) | ||
| 72 | BUG(); | ||
| 73 | |||
| 74 | /* Nothing to do */ | ||
| 75 | } | ||
| 76 | |||
| 77 | /* Map a set of buffers described by scatterlist in streaming | ||
| 78 | * mode for DMA. This is the scather-gather version of the | ||
| 79 | * above pci_map_single interface. Here the scatter gather list | ||
| 80 | * elements are each tagged with the appropriate dma address | ||
| 81 | * and length. They are obtained via sg_dma_{address,length}(SG). | ||
| 82 | * | ||
| 83 | * NOTE: An implementation may be able to use a smaller number of | ||
| 84 | * DMA address/length pairs than there are SG table elements. | ||
| 85 | * (for example via virtual mapping capabilities) | ||
| 86 | * The routine returns the number of addr/length pairs actually | ||
| 87 | * used, at most nents. | ||
| 88 | * | ||
| 89 | * Device ownership issues as mentioned above for pci_map_single are | ||
| 90 | * the same here. | ||
| 91 | */ | ||
| 92 | static inline int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, | ||
| 93 | int nents, int direction) | ||
| 94 | { | ||
| 95 | if (direction == PCI_DMA_NONE) | ||
| 96 | BUG(); | ||
| 97 | return nents; | ||
| 98 | } | ||
| 99 | |||
| 100 | /* Unmap a set of streaming mode DMA translations. | ||
| 101 | * Again, cpu read rules concerning calls here are the same as for | ||
| 102 | * pci_unmap_single() above. | ||
| 103 | */ | ||
| 104 | static inline void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg, | ||
| 105 | int nents, int direction) | ||
| 106 | { | ||
| 107 | if (direction == PCI_DMA_NONE) | ||
| 108 | BUG(); | ||
| 109 | |||
| 110 | /* Nothing to do */ | ||
| 111 | } | ||
| 112 | |||
| 113 | /* Make physical memory consistent for a single | ||
| 114 | * streaming mode DMA translation after a transfer. | ||
| 115 | * | ||
| 116 | * If you perform a pci_map_single() but wish to interrogate the | ||
| 117 | * buffer using the cpu, yet do not wish to teardown the PCI dma | ||
| 118 | * mapping, you must call this function before doing so. At the | ||
| 119 | * next point you give the PCI dma address back to the card, the | ||
| 120 | * device again owns the buffer. | ||
| 121 | */ | ||
| 122 | static inline void pci_dma_sync_single(struct pci_dev *hwdev, | ||
| 123 | dma_addr_t dma_handle, size_t size, | ||
| 124 | int direction) | ||
| 125 | { | ||
| 126 | if (direction == PCI_DMA_NONE) | ||
| 127 | BUG(); | ||
| 128 | |||
| 129 | /* Nothing to do */ | ||
| 130 | } | ||
| 131 | |||
| 132 | /* Make physical memory consistent for a set of streaming | ||
| 133 | * mode DMA translations after a transfer. | ||
| 134 | * | ||
| 135 | * The same as pci_dma_sync_single but for a scatter-gather list, | ||
| 136 | * same rules and usage. | ||
| 137 | */ | ||
| 138 | static inline void pci_dma_sync_sg(struct pci_dev *hwdev, | ||
| 139 | struct scatterlist *sg, int nelems, | ||
| 140 | int direction) | ||
| 141 | { | ||
| 142 | if (direction == PCI_DMA_NONE) | ||
| 143 | BUG(); | ||
| 144 | |||
| 145 | /* Nothing to do */ | ||
| 146 | } | ||
| 147 | |||
| 148 | #endif /* _ASM_BFIN_PCI_H */ | ||