| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /****************************************************************************/ |
| 2 | |
| 3 | /* |
| 4 | * mcfpci.h -- PCI bridge on ColdFire eval boards. |
| 5 | * |
| 6 | * (C) Copyright 2000, Greg Ungerer (gerg@snapgear.com) |
| 7 | * (C) Copyright 2000, Lineo Inc. (www.lineo.com) |
| 8 | */ |
| 9 | |
| 10 | /****************************************************************************/ |
| 11 | #ifndef mcfpci_h |
| 12 | #define mcfpci_h |
| 13 | /****************************************************************************/ |
| 14 | |
| 15 | #include <linux/config.h> |
| 16 | |
| 17 | #ifdef CONFIG_PCI |
| 18 | |
| 19 | /* |
| 20 | * Address regions in the PCI address space are not mapped into the |
| 21 | * normal memory space of the ColdFire. They must be accessed via |
| 22 | * handler routines. This is easy for I/O space (inb/outb/etc) but |
| 23 | * needs some code changes to support ordinary memory. Interrupts |
| 24 | * also need to be vectored through the PCI handler first, then it |
| 25 | * will call the actual driver sub-handlers. |
| 26 | */ |
| 27 | |
| 28 | /* |
| 29 | * Un-define all the standard I/O access routines. |
| 30 | */ |
| 31 | #undef inb |
| 32 | #undef inw |
| 33 | #undef inl |
| 34 | #undef inb_p |
| 35 | #undef inw_p |
| 36 | #undef insb |
| 37 | #undef insw |
| 38 | #undef insl |
| 39 | #undef outb |
| 40 | #undef outw |
| 41 | #undef outl |
| 42 | #undef outb_p |
| 43 | #undef outw_p |
| 44 | #undef outsb |
| 45 | #undef outsw |
| 46 | #undef outsl |
| 47 | |
| 48 | #undef request_irq |
| 49 | #undef free_irq |
| 50 | |
| 51 | #undef bus_to_virt |
| 52 | #undef virt_to_bus |
| 53 | |
| 54 | |
| 55 | /* |
| 56 | * Re-direct all I/O memory accesses functions to PCI specific ones. |
| 57 | */ |
| 58 | #define inb pci_inb |
| 59 | #define inw pci_inw |
| 60 | #define inl pci_inl |
| 61 | #define inb_p pci_inb |
| 62 | #define inw_p pci_inw |
| 63 | #define insb pci_insb |
| 64 | #define insw pci_insw |
| 65 | #define insl pci_insl |
| 66 | |
| 67 | #define outb pci_outb |
| 68 | #define outw pci_outw |
| 69 | #define outl pci_outl |
| 70 | #define outb_p pci_outb |
| 71 | #define outw_p pci_outw |
| 72 | #define outsb pci_outsb |
| 73 | #define outsw pci_outsw |
| 74 | #define outsl pci_outsl |
| 75 | |
| 76 | #define request_irq pci_request_irq |
| 77 | #define free_irq pci_free_irq |
| 78 | |
| 79 | #define virt_to_bus pci_virt_to_bus |
| 80 | #define bus_to_virt pci_bus_to_virt |
| 81 | |
| 82 | #define CONFIG_COMEMPCI 1 |
| 83 | |
| 84 | |
| 85 | /* |
| 86 | * Prototypes of the real PCI functions (defined in bios32.c). |
| 87 | */ |
| 88 | unsigned char pci_inb(unsigned int addr); |
| 89 | unsigned short pci_inw(unsigned int addr); |
| 90 | unsigned int pci_inl(unsigned int addr); |
| 91 | void pci_insb(void *addr, void *buf, int len); |
| 92 | void pci_insw(void *addr, void *buf, int len); |
| 93 | void pci_insl(void *addr, void *buf, int len); |
| 94 | |
| 95 | void pci_outb(unsigned char val, unsigned int addr); |
| 96 | void pci_outw(unsigned short val, unsigned int addr); |
| 97 | void pci_outl(unsigned int val, unsigned int addr); |
| 98 | void pci_outsb(void *addr, void *buf, int len); |
| 99 | void pci_outsw(void *addr, void *buf, int len); |
| 100 | void pci_outsl(void *addr, void *buf, int len); |
| 101 | |
| 102 | int pci_request_irq(unsigned int irq, |
| 103 | void (*handler)(int, void *, struct pt_regs *), |
| 104 | unsigned long flags, |
| 105 | const char *device, |
| 106 | void *dev_id); |
| 107 | void pci_free_irq(unsigned int irq, void *dev_id); |
| 108 | |
| 109 | void *pci_bmalloc(int size); |
| 110 | void pci_bmfree(void *bmp, int len); |
| 111 | void pci_copytoshmem(unsigned long bmp, void *src, int size); |
| 112 | void pci_copyfromshmem(void *dst, unsigned long bmp, int size); |
| 113 | unsigned long pci_virt_to_bus(volatile void *address); |
| 114 | void *pci_bus_to_virt(unsigned long address); |
| 115 | void pci_bmcpyto(void *dst, void *src, int len); |
| 116 | void pci_bmcpyfrom(void *dst, void *src, int len); |
| 117 | |
| 118 | #endif /* CONFIG_PCI */ |
| 119 | /****************************************************************************/ |
| 120 | #endif /* mcfpci_h */ |