m68k: common PCI support definitions and code
Basic set of definitions and support code required to turn on CONFIG_PCI
for the m68k architecture. Nothing specific to any PCI implementation in
any m68k class CPU hardware yet.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
diff --git a/arch/m68k/include/asm/dma.h b/arch/m68k/include/asm/dma.h
index 9470641..0ff3fc6 100644
--- a/arch/m68k/include/asm/dma.h
+++ b/arch/m68k/include/asm/dma.h
@@ -488,6 +488,10 @@
extern int request_dma(unsigned int dmanr, const char * device_id); /* reserve a DMA channel */
extern void free_dma(unsigned int dmanr); /* release it again */
+#ifdef CONFIG_PCI
+extern int isa_dma_bridge_buggy;
+#else
#define isa_dma_bridge_buggy (0)
+#endif
#endif /* _M68K_DMA_H */
diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h
index fa4324b..b85dbef 100644
--- a/arch/m68k/include/asm/io_mm.h
+++ b/arch/m68k/include/asm/io_mm.h
@@ -340,4 +340,6 @@
*/
#define xlate_dev_kmem_ptr(p) p
+#define ioport_map(port, nr) ((void __iomem *)(port))
+
#endif /* _IO_H */
diff --git a/arch/m68k/include/asm/pci.h b/arch/m68k/include/asm/pci.h
index 4ad0aea..848c3df 100644
--- a/arch/m68k/include/asm/pci.h
+++ b/arch/m68k/include/asm/pci.h
@@ -2,6 +2,7 @@
#define _ASM_M68K_PCI_H
#include <asm-generic/pci-dma-compat.h>
+#include <asm-generic/pci.h>
/* The PCI address space does equal the physical memory
* address space. The networking and block device layers use
@@ -9,4 +10,9 @@
*/
#define PCI_DMA_BUS_IS_PHYS (1)
+#define pcibios_assign_all_busses() 1
+
+#define PCIBIOS_MIN_IO 0x00000100
+#define PCIBIOS_MIN_MEM 0x02000000
+
#endif /* _ASM_M68K_PCI_H */