diff --git a/arch/ia64/sn/include/xtalk/hubdev.h b/arch/ia64/sn/include/xtalk/hubdev.h
index 868e7ec..580a1c0 100644
--- a/arch/ia64/sn/include/xtalk/hubdev.h
+++ b/arch/ia64/sn/include/xtalk/hubdev.h
@@ -8,6 +8,8 @@
 #ifndef _ASM_IA64_SN_XTALK_HUBDEV_H
 #define _ASM_IA64_SN_XTALK_HUBDEV_H
 
+#include "xtalk/xwidgetdev.h"
+
 #define HUB_WIDGET_ID_MAX 0xf
 #define DEV_PER_WIDGET (2*2*8)
 #define IIO_ITTE_WIDGET_BITS    4       /* size of widget field */
diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c
index 2f03e3f..041c4be 100644
--- a/arch/ia64/sn/kernel/io_init.c
+++ b/arch/ia64/sn/kernel/io_init.c
@@ -9,17 +9,17 @@
 #include <linux/bootmem.h>
 #include <linux/nodemask.h>
 #include <asm/sn/types.h>
-#include <asm/sn/sn_sal.h>
 #include <asm/sn/addrs.h>
+#include <asm/sn/geo.h>
+#include <asm/sn/io.h>
+#include <asm/sn/pcibr_provider.h>
 #include <asm/sn/pcibus_provider_defs.h>
 #include <asm/sn/pcidev.h>
-#include "pci/pcibr_provider.h"
-#include "xtalk/xwidgetdev.h"
-#include <asm/sn/geo.h>
-#include "xtalk/hubdev.h"
-#include <asm/sn/io.h>
 #include <asm/sn/simulator.h>
+#include <asm/sn/sn_sal.h>
 #include <asm/sn/tioca_provider.h>
+#include "xtalk/hubdev.h"
+#include "xtalk/xwidgetdev.h"
 
 nasid_t master_nasid = INVALID_NASID;	/* Partition Master */
 
@@ -226,7 +226,7 @@
  * from our PCI provider include PIO maps to BAR space and interrupt
  * objects.
  */
-static void sn_pci_fixup_slot(struct pci_dev *dev)
+void sn_pci_fixup_slot(struct pci_dev *dev)
 {
 	int idx;
 	int segment = 0;
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index e6f7551..cf4dbf9 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -10,13 +10,12 @@
 
 #include <linux/irq.h>
 #include <linux/spinlock.h>
-#include <asm/sn/intr.h>
 #include <asm/sn/addrs.h>
 #include <asm/sn/arch.h>
-#include "xtalk/xwidgetdev.h"
+#include <asm/sn/intr.h>
+#include <asm/sn/pcibr_provider.h>
 #include <asm/sn/pcibus_provider_defs.h>
 #include <asm/sn/pcidev.h>
-#include "pci/pcibr_provider.h"
 #include <asm/sn/shub_mmr.h>
 #include <asm/sn/sn_sal.h>
 
diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c
index 5da9bdb..a2f7a88 100644
--- a/arch/ia64/sn/pci/pci_dma.c
+++ b/arch/ia64/sn/pci/pci_dma.c
@@ -11,9 +11,10 @@
 
 #include <linux/module.h>
 #include <asm/dma.h>
-#include <asm/sn/sn_sal.h>
+#include <asm/sn/pcibr_provider.h>
 #include <asm/sn/pcibus_provider_defs.h>
 #include <asm/sn/pcidev.h>
+#include <asm/sn/sn_sal.h>
 
 #define SG_ENT_VIRT_ADDRESS(sg)	(page_address((sg)->page) + (sg)->offset)
 #define SG_ENT_PHYS_ADDRESS(SG)	virt_to_phys(SG_ENT_VIRT_ADDRESS(SG))
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_ate.c b/arch/ia64/sn/pci/pcibr/pcibr_ate.c
index 0e47bce8..d1647b8 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_ate.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_ate.c
@@ -8,9 +8,9 @@
 
 #include <linux/types.h>
 #include <asm/sn/sn_sal.h>
+#include <asm/sn/pcibr_provider.h>
 #include <asm/sn/pcibus_provider_defs.h>
 #include <asm/sn/pcidev.h>
-#include "pci/pcibr_provider.h"
 
 int pcibr_invalidate_ate = 0;	/* by default don't invalidate ATE on free */
 
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_dma.c b/arch/ia64/sn/pci/pcibr/pcibr_dma.c
index 64af2b2..b058dc2 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_dma.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_dma.c
@@ -8,18 +8,17 @@
 
 #include <linux/types.h>
 #include <linux/pci.h>
-#include <asm/sn/sn_sal.h>
+#include <asm/sn/addrs.h>
 #include <asm/sn/geo.h>
-#include "xtalk/xwidgetdev.h"
-#include "xtalk/hubdev.h"
+#include <asm/sn/pcibr_provider.h>
 #include <asm/sn/pcibus_provider_defs.h>
 #include <asm/sn/pcidev.h>
-#include "pci/tiocp.h"
-#include "pci/pic.h"
-#include "pci/pcibr_provider.h"
-#include "pci/tiocp.h"
+#include <asm/sn/pic.h>
+#include <asm/sn/sn_sal.h>
+#include <asm/sn/tiocp.h>
 #include "tio.h"
-#include <asm/sn/addrs.h>
+#include "xtalk/xwidgetdev.h"
+#include "xtalk/hubdev.h"
 
 extern int sn_ioif_inited;
 
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_provider.c b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
index 3893999..9bc4de4 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_provider.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
@@ -6,18 +6,17 @@
  * Copyright (C) 2001-2004 Silicon Graphics, Inc. All rights reserved.
  */
 
-#include <linux/types.h>
 #include <linux/interrupt.h>
+#include <linux/types.h>
 #include <linux/pci.h>
-#include <asm/sn/sn_sal.h>
-#include "xtalk/xwidgetdev.h"
+#include <asm/sn/addrs.h>
 #include <asm/sn/geo.h>
-#include "xtalk/hubdev.h"
+#include <asm/sn/pcibr_provider.h>
 #include <asm/sn/pcibus_provider_defs.h>
 #include <asm/sn/pcidev.h>
-#include "pci/pcibr_provider.h"
-#include <asm/sn/addrs.h>
-
+#include <asm/sn/sn_sal.h>
+#include "xtalk/xwidgetdev.h"
+#include "xtalk/hubdev.h"
 
 static int sal_pcibr_error_interrupt(struct pcibus_info *soft)
 {
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_reg.c b/arch/ia64/sn/pci/pcibr/pcibr_reg.c
index 865c11c..21426d0 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_reg.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_reg.c
@@ -6,13 +6,13 @@
  * Copyright (C) 2004 Silicon Graphics, Inc. All rights reserved.
  */
 
-#include <linux/types.h>
 #include <linux/interrupt.h>
+#include <linux/types.h>
+#include <asm/sn/pcibr_provider.h>
 #include <asm/sn/pcibus_provider_defs.h>
 #include <asm/sn/pcidev.h>
-#include "pci/tiocp.h"
-#include "pci/pic.h"
-#include "pci/pcibr_provider.h"
+#include <asm/sn/pic.h>
+#include <asm/sn/tiocp.h>
 
 union br_ptr {
 	struct tiocp tio;
diff --git a/arch/ia64/sn/include/pci/pcibr_provider.h b/include/asm-ia64/sn/pcibr_provider.h
similarity index 98%
rename from arch/ia64/sn/include/pci/pcibr_provider.h
rename to include/asm-ia64/sn/pcibr_provider.h
index 1cd291d..cbb4604 100644
--- a/arch/ia64/sn/include/pci/pcibr_provider.h
+++ b/include/asm-ia64/sn/pcibr_provider.h
@@ -8,6 +8,9 @@
 #ifndef _ASM_IA64_SN_PCI_PCIBR_PROVIDER_H
 #define _ASM_IA64_SN_PCI_PCIBR_PROVIDER_H
 
+#include <asm/sn/intr.h>
+#include <asm/sn/pcibus_provider_defs.h>
+
 /* Workarounds */
 #define PV907516 (1 << 1) /* TIOCP: Don't write the write buffer flush reg */
 
@@ -20,7 +23,7 @@
 #define IS_PIC_SOFT(ps)     (ps->pbi_bridge_type == PCIBR_BRIDGETYPE_PIC)
 
 
-/* 
+/*
  * The different PCI Bridge types supported on the SGI Altix platforms
  */
 #define PCIBR_BRIDGETYPE_UNKNOWN       -1
@@ -100,7 +103,7 @@
 
 	struct ate_resource     pbi_int_ate_resource;
 	uint64_t                pbi_int_ate_size;
-	
+
 	uint64_t                pbi_dir_xbase;
 	char                    pbi_hub_xid;
 
diff --git a/include/asm-ia64/sn/pcidev.h b/include/asm-ia64/sn/pcidev.h
index 42aea21..9610fcc 100644
--- a/include/asm-ia64/sn/pcidev.h
+++ b/include/asm-ia64/sn/pcidev.h
@@ -13,6 +13,8 @@
 #define SN_PCIDEV_INFO(pci_dev) \
         ((struct pcidev_info *)(pci_dev)->sysdata)
 
+#define SN_PCIBUS_BUSSOFT_INFO(pci_bus) \
+	(struct pcibus_info *)((struct pcibus_bussoft *)(PCI_CONTROLLER((pci_bus))->platform_data))
 /*
  * Given a pci_bus, return the sn pcibus_bussoft struct.  Note that
  * this only works for root busses, not for busses represented by PPB's.
@@ -53,6 +55,8 @@
 
 extern void sn_irq_fixup(struct pci_dev *pci_dev,
 			 struct sn_irq_info *sn_irq_info);
-
+extern void sn_irq_unfixup(struct pci_dev *pci_dev);
+extern void sn_pci_fixup_slot(struct pci_dev *dev);
+extern void sn_pci_unfixup_slot(struct pci_dev *dev);
 extern void sn_irq_lh_init(void);
 #endif				/* _ASM_IA64_SN_PCI_PCIDEV_H */
diff --git a/arch/ia64/sn/include/pci/pic.h b/include/asm-ia64/sn/pic.h
similarity index 97%
rename from arch/ia64/sn/include/pci/pic.h
rename to include/asm-ia64/sn/pic.h
index fd18ace..0de82e6 100644
--- a/arch/ia64/sn/include/pci/pic.h
+++ b/include/asm-ia64/sn/pic.h
@@ -15,7 +15,7 @@
  * PIC handles PCI/X busses.  PCI/X requires that the 'bridge' (i.e. PIC)
  * be designated as 'device 0'.   That is a departure from earlier SGI
  * PCI bridges.  Because of that we use config space 1 to access the
- * config space of the first actual PCI device on the bus. 
+ * config space of the first actual PCI device on the bus.
  * Here's what the PIC manual says:
  *
  *     The current PCI-X bus specification now defines that the parent
@@ -29,14 +29,14 @@
  *     correlated Configs pace and our device space 0 <-> 0, 1 <-> 1, etc.
  *     PCI-X requires we start a 1, not 0 and currently the PX brick
  *     does associate our:
- * 
+ *
  *         device 0 with configuration space window 1,
- *         device 1 with configuration space window 2, 
+ *         device 1 with configuration space window 2,
  *         device 2 with configuration space window 3,
  *         device 3 with configuration space window 4.
  *
- * The net effect is that all config space access are off-by-one with 
- * relation to other per-slot accesses on the PIC.   
+ * The net effect is that all config space access are off-by-one with
+ * relation to other per-slot accesses on the PIC.
  * Here is a table that shows some of that:
  *
  *                               Internal Slot#
@@ -65,7 +65,7 @@
  *****************************************************************************/
 
 /* NOTE: PIC WAR. PV#854697.  PIC does not allow writes just to [31:0]
- * of a 64-bit register.  When writing PIC registers, always write the 
+ * of a 64-bit register.  When writing PIC registers, always write the
  * entire 64 bits.
  */
 
@@ -164,7 +164,7 @@
 	uint64_t	clear_all;			/* 0x000{438,,,5F8} */
     } p_buf_count[8];
 
-    
+
     /* 0x000600-0x0009FF -- PCI/X registers */
     uint64_t		p_pcix_bus_err_addr;		/* 0x000600 */
     uint64_t		p_pcix_bus_err_attr;		/* 0x000608 */
diff --git a/arch/ia64/sn/include/pci/tiocp.h b/include/asm-ia64/sn/tiocp.h
similarity index 99%
rename from arch/ia64/sn/include/pci/tiocp.h
rename to include/asm-ia64/sn/tiocp.h
index f07c83b..5f2489c 100644
--- a/arch/ia64/sn/include/pci/tiocp.h
+++ b/include/asm-ia64/sn/tiocp.h
@@ -111,7 +111,7 @@
 	uint64_t	clear_all;			/* 0x000{438,,,5F8} */
     } cp_buf_count[8];
 
-    
+
     /* 0x000600-0x0009FF -- PCI/X registers */
     uint64_t		cp_pcix_bus_err_addr;		/* 0x000600 */
     uint64_t		cp_pcix_bus_err_attr;		/* 0x000608 */