| /****************************************************************************/ |
| |
| /* |
| * mcfpci.h -- PCI bridge on ColdFire eval boards. |
| * |
| * (C) Copyright 2000, Greg Ungerer (gerg@snapgear.com) |
| * (C) Copyright 2000, Lineo Inc. (www.lineo.com) |
| */ |
| |
| /****************************************************************************/ |
| #ifndef mcfpci_h |
| #define mcfpci_h |
| /****************************************************************************/ |
| |
| |
| #ifdef CONFIG_PCI |
| |
| /* |
| * Address regions in the PCI address space are not mapped into the |
| * normal memory space of the ColdFire. They must be accessed via |
| * handler routines. This is easy for I/O space (inb/outb/etc) but |
| * needs some code changes to support ordinary memory. Interrupts |
| * also need to be vectored through the PCI handler first, then it |
| * will call the actual driver sub-handlers. |
| */ |
| |
| /* |
| * Un-define all the standard I/O access routines. |
| */ |
| #undef inb |
| #undef inw |
| #undef inl |
| #undef inb_p |
| #undef inw_p |
| #undef insb |
| #undef insw |
| #undef insl |
| #undef outb |
| #undef outw |
| #undef outl |
| #undef outb_p |
| #undef outw_p |
| #undef outsb |
| #undef outsw |
| #undef outsl |
| |
| #undef request_irq |
| #undef free_irq |
| |
| #undef bus_to_virt |
| #undef virt_to_bus |
| |
| |
| /* |
| * Re-direct all I/O memory accesses functions to PCI specific ones. |
| */ |
| #define inb pci_inb |
| #define inw pci_inw |
| #define inl pci_inl |
| #define inb_p pci_inb |
| #define inw_p pci_inw |
| #define insb pci_insb |
| #define insw pci_insw |
| #define insl pci_insl |
| |
| #define outb pci_outb |
| #define outw pci_outw |
| #define outl pci_outl |
| #define outb_p pci_outb |
| #define outw_p pci_outw |
| #define outsb pci_outsb |
| #define outsw pci_outsw |
| #define outsl pci_outsl |
| |
| #define request_irq pci_request_irq |
| #define free_irq pci_free_irq |
| |
| #define virt_to_bus pci_virt_to_bus |
| #define bus_to_virt pci_bus_to_virt |
| |
| #define CONFIG_COMEMPCI 1 |
| |
| |
| /* |
| * Prototypes of the real PCI functions (defined in bios32.c). |
| */ |
| unsigned char pci_inb(unsigned int addr); |
| unsigned short pci_inw(unsigned int addr); |
| unsigned int pci_inl(unsigned int addr); |
| void pci_insb(void *addr, void *buf, int len); |
| void pci_insw(void *addr, void *buf, int len); |
| void pci_insl(void *addr, void *buf, int len); |
| |
| void pci_outb(unsigned char val, unsigned int addr); |
| void pci_outw(unsigned short val, unsigned int addr); |
| void pci_outl(unsigned int val, unsigned int addr); |
| void pci_outsb(void *addr, void *buf, int len); |
| void pci_outsw(void *addr, void *buf, int len); |
| void pci_outsl(void *addr, void *buf, int len); |
| |
| int pci_request_irq(unsigned int irq, |
| void (*handler)(int, void *, struct pt_regs *), |
| unsigned long flags, |
| const char *device, |
| void *dev_id); |
| void pci_free_irq(unsigned int irq, void *dev_id); |
| |
| void *pci_bmalloc(int size); |
| void pci_bmfree(void *bmp, int len); |
| void pci_copytoshmem(unsigned long bmp, void *src, int size); |
| void pci_copyfromshmem(void *dst, unsigned long bmp, int size); |
| unsigned long pci_virt_to_bus(volatile void *address); |
| void *pci_bus_to_virt(unsigned long address); |
| void pci_bmcpyto(void *dst, void *src, int len); |
| void pci_bmcpyfrom(void *dst, void *src, int len); |
| |
| #endif /* CONFIG_PCI */ |
| /****************************************************************************/ |
| #endif /* mcfpci_h */ |
