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Commit c74c8b1d authored by John Linn's avatar John Linn Committed by Michal Simek
Browse files

microblaze: Added more support for PCI 



In order to use an off the shelf nic, like the intel pro card,
changes are needed to support pci dma interfaces and other
small changes.

Signed-off-by: default avatarJohn Linn <john.linn@xilinx.com>
Signed-off-by: default avatarMichal Simek <monstr@monstr.eu>
parent aaa5241e

arch/microblaze/include/asm/io.h

+4 −0
Original line number Diff line number Diff line
@@ -35,6 +35,10 @@ extern resource_size_t isa_mem_base; 


#define IO_SPACE_LIMIT (0xFFFFFFFF)



/* the following is needed to support PCI with some drivers */



#define mmiowb()



static inline unsigned char __raw_readb(const volatile void __iomem *addr)

{

	return *(volatile unsigned char __force *)addr;

arch/microblaze/include/asm/pci.h

+2 −0
Original line number Diff line number Diff line
@@ -22,6 +22,8 @@ 
#include <asm/prom.h>

#include <asm/pci-bridge.h>



#include <asm-generic/pci-dma-compat.h>



#define PCIBIOS_MIN_IO		0x1000

#define PCIBIOS_MIN_MEM		0x10000000