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@@ -0,0 +1,53 @@
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+/*
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+ * Contains common pci routines for ALL ppc platform
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+ *
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License
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+ * as published by the Free Software Foundation; either version
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+ * 2 of the License, or (at your option) any later version.
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+ */
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+
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+#undef DEBUG
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+
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+#include <linux/kernel.h>
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+#include <linux/pci.h>
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+#include <linux/string.h>
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+#include <linux/init.h>
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+#include <linux/bootmem.h>
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+#include <linux/mm.h>
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+#include <linux/list.h>
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+#include <linux/syscalls.h>
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+#include <linux/irq.h>
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+#include <linux/vmalloc.h>
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+
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+#include <asm/processor.h>
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+#include <asm/io.h>
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+#include <asm/prom.h>
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+#include <asm/pci-bridge.h>
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+#include <asm/byteorder.h>
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+#include <asm/machdep.h>
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+#include <asm/ppc-pci.h>
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+#include <asm/firmware.h>
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+
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+#ifdef DEBUG
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+#include <asm/udbg.h>
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+#define DBG(fmt...) printk(fmt)
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+#else
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+#define DBG(fmt...)
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+#endif
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+
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+/*
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+ * Return the domain number for this bus.
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+ */
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+int pci_domain_nr(struct pci_bus *bus)
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+{
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+ if (firmware_has_feature(FW_FEATURE_ISERIES))
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+ return 0;
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+ else {
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+ struct pci_controller *hose = pci_bus_to_host(bus);
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+
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+ return hose->global_number;
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+ }
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+}
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+
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+EXPORT_SYMBOL(pci_domain_nr);
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