From c74c8b1dcbaa890a064a5892e29cec5ce42d5b84 Mon Sep 17 00:00:00 2001
From: John Linn <john.linn@xilinx.com>
Date: Wed, 24 Feb 2010 12:55:02 -0700
Subject: 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: John Linn <john.linn@xilinx.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>

diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h
index e4a7974..4fbfdc1 100644
--- a/arch/microblaze/include/asm/io.h
+++ b/arch/microblaze/include/asm/io.h
@@ -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;
diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h
index a0da88b..41cc841 100644
--- a/arch/microblaze/include/asm/pci.h
+++ b/arch/microblaze/include/asm/pci.h
@@ -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
 
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