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Diffstat (limited to 'arch/m68k/include/asm/mcfpci.h')
-rw-r--r--arch/m68k/include/asm/mcfpci.h119
1 files changed, 119 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/mcfpci.h b/arch/m68k/include/asm/mcfpci.h
new file mode 100644
index 000000000000..f1507dd06ec6
--- /dev/null
+++ b/arch/m68k/include/asm/mcfpci.h
@@ -0,0 +1,119 @@
+/****************************************************************************/
+
+/*
+ * 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 */