powerpc/virtex: Add support for Xilinx PCI host bridge

This patch adds support for the Xilinx plbv46-pci-1.03.a PCI host
bridge IPcore.

Signed-off-by: Roderick Colenbrander <thunderbird2k@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/arch/powerpc/include/asm/xilinx_pci.h b/arch/powerpc/include/asm/xilinx_pci.h
new file mode 100644
index 0000000..7a8275c
--- /dev/null
+++ b/arch/powerpc/include/asm/xilinx_pci.h
@@ -0,0 +1,21 @@
+/*
+ * Xilinx pci external definitions
+ *
+ * Copyright 2009 Roderick Colenbrander
+ * Copyright 2009 Secret Lab Technologies Ltd.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#ifndef INCLUDE_XILINX_PCI
+#define INCLUDE_XILINX_PCI
+
+#ifdef CONFIG_XILINX_PCI
+extern void __init xilinx_pci_init(void);
+#else
+static inline void __init xilinx_pci_init(void) { return; }
+#endif
+
+#endif /* INCLUDE_XILINX_PCI */