Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (51 commits)
  [MIPS] Make timer interrupt frequency configurable from kconfig.
  [MIPS] Correct HAL2 Kconfig description
  [MIPS] Fix R4K cache macro names
  [MIPS] Add Missing R4K Cache Macros to IP27 & IP32
  [MIPS] Support for the RM9000-based Basler eXcite smart camera platform.
  [MIPS] Support for the R5500-based NEC EMMA2RH Mark-eins board
  [MIPS] Support SNI RM200C SNI in big endian mode and R5000 processors.
  [MIPS] SN: include asm/sn/types.h for nasid_t.
  [MIPS] Random fixes for sb1250
  [MIPS] Fix bcm1480 compile
  [MIPS] Remove support for NEC DDB5476.
  [MIPS] Remove support for NEC DDB5074.
  [MIPS] Cleanup memory managment initialization.
  [MIPS] SN: Declare bridge_pci_ops.
  [MIPS] Remove unused function alloc_pci_controller.
  [MIPS] IP27: Extract pci_ops into separate file.
  [MIPS] IP27: Use symbolic constants instead of magic numbers.
  [MIPS] vr41xx: remove unnecessay items from vr41xx/Kconfig.
  [MIPS] IP27: Cleanup N/M mode configuration.
  [MIPS] IP27: Throw away old unused hacks.
  ...

22 files changed, 988 insertions, 1112 deletions

diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile
index 16205b587338..465778c5d816 100644
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -18,12 +18,12 @@ obj-$(CONFIG_MIPS_NILE4)	+= ops-nile4.o
 obj-$(CONFIG_MIPS_TX3927)	+= ops-tx3927.o
 obj-$(CONFIG_PCI_VR41XX)	+= ops-vr41xx.o pci-vr41xx.o
 obj-$(CONFIG_NEC_CMBVR4133)	+= fixup-vr4133.o
+obj-$(CONFIG_MARKEINS)		+= ops-emma2rh.o pci-emma2rh.o fixup-emma2rh.o
 
 #
 # These are still pretty much in the old state, watch, go blind.
 #
-obj-$(CONFIG_DDB5074)		+= fixup-ddb5074.o pci-ddb5074.o ops-ddb5074.o
-obj-$(CONFIG_DDB5476)		+= ops-ddb5476.o pci-ddb5476.o
+obj-$(CONFIG_BASLER_EXCITE)	= ops-titan.o pci-excite.o fixup-excite.o
 obj-$(CONFIG_DDB5477)		+= fixup-ddb5477.o pci-ddb5477.o ops-ddb5477.o
 obj-$(CONFIG_LASAT)		+= pci-lasat.o
 obj-$(CONFIG_MIPS_ATLAS)	+= fixup-atlas.o
@@ -43,7 +43,7 @@ obj-$(CONFIG_MOMENCO_OCELOT_C)	+= fixup-ocelot-c.o pci-ocelot-c.o
 obj-$(CONFIG_MOMENCO_OCELOT_G)	+= fixup-ocelot-g.o pci-ocelot-g.o
 obj-$(CONFIG_PMC_YOSEMITE)	+= fixup-yosemite.o ops-titan.o ops-titan-ht.o \
 				   pci-yosemite.o
-obj-$(CONFIG_SGI_IP27)		+= pci-ip27.o
+obj-$(CONFIG_SGI_IP27)		+= ops-bridge.o pci-ip27.o
 obj-$(CONFIG_SGI_IP32)		+= fixup-ip32.o ops-mace.o pci-ip32.o
 obj-$(CONFIG_SIBYTE_SB1250)	+= fixup-sb1250.o pci-sb1250.o
 obj-$(CONFIG_SIBYTE_BCM112X)	+= fixup-sb1250.o pci-sb1250.o
@@ -57,3 +57,4 @@ obj-$(CONFIG_TOSHIBA_RBTX4927)	+= fixup-rbtx4927.o ops-tx4927.o
 obj-$(CONFIG_TOSHIBA_RBTX4938)	+= fixup-tx4938.o ops-tx4938.o
 obj-$(CONFIG_VICTOR_MPC30X)	+= fixup-mpc30x.o
 obj-$(CONFIG_ZAO_CAPCELLA)	+= fixup-capcella.o
+obj-$(CONFIG_WR_PPMC)		+= fixup-wrppmc.o
diff --git a/arch/mips/pci/fixup-ddb5074.c b/arch/mips/pci/fixup-ddb5074.c
deleted file mode 100644
index 5a4a7c239c42..000000000000
--- a/arch/mips/pci/fixup-ddb5074.c
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * It's nice to have the LEDs on the GPIO pins available for debugging
- */
-static void ddb5074_fixup(struct pci_dev *dev)
-{
-	extern struct pci_dev *pci_pmu;
-	u8 t8;
-
-	pci_pmu = dev;  /* for LEDs D2 and D3 */
-	/* Program the lines for LEDs D2 and D3 to output */
-	pci_read_config_byte(dev, 0x7d, &t8);
-	t8 |= 0xc0;
-	pci_write_config_byte(dev, 0x7d, t8);
-	/* Turn LEDs D2 and D3 off */
-	pci_read_config_byte(dev, 0x7e, &t8);
-	t8 |= 0xc0;
-	pci_write_config_byte(dev, 0x7e, t8);
-}
-
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101,
-	  ddb5074_fixup);
diff --git a/arch/mips/pci/fixup-emma2rh.c b/arch/mips/pci/fixup-emma2rh.c
new file mode 100644
index 000000000000..3a34cd0efd6b
--- /dev/null
+++ b/arch/mips/pci/fixup-emma2rh.c
@@ -0,0 +1,102 @@
+/*
+ *  arch/mips/pci/fixup-emma2rh.c
+ *      This file defines the PCI configration.
+ *
+ *  Copyright (C) NEC Electronics Corporation 2004-2006
+ *
+ *  This file is based on the arch/mips/ddb5xxx/ddb5477/pci.c
+ *
+ *	Copyright 2001 MontaVista Software Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+
+#include <asm/bootinfo.h>
+#include <asm/debug.h>
+
+#include <asm/emma2rh/emma2rh.h>
+
+#define EMMA2RH_PCI_HOST_SLOT 0x09
+#define EMMA2RH_USB_SLOT 0x03
+#define PCI_DEVICE_ID_NEC_EMMA2RH      0x014b /* EMMA2RH PCI Host */
+
+/*
+ * we fix up irqs based on the slot number.
+ * The first entry is at AD:11.
+ * Fortunately this works because, although we have two pci buses,
+ * they all have different slot numbers (except for rockhopper slot 20
+ * which is handled below).
+ *
+ */
+
+#define	MAX_SLOT_NUM 10
+static unsigned char irq_map[][5] __initdata = {
+	[3] = {0, MARKEINS_PCI_IRQ_INTB, MARKEINS_PCI_IRQ_INTC,
+	       MARKEINS_PCI_IRQ_INTD, 0,},
+	[4] = {0, MARKEINS_PCI_IRQ_INTA, 0, 0, 0,},
+	[5] = {0, 0, 0, 0, 0,},
+	[6] = {0, MARKEINS_PCI_IRQ_INTC, MARKEINS_PCI_IRQ_INTD,
+	       MARKEINS_PCI_IRQ_INTA, MARKEINS_PCI_IRQ_INTB,},
+};
+
+static void __devinit nec_usb_controller_fixup(struct pci_dev *dev)
+{
+	if (PCI_SLOT(dev->devfn) == EMMA2RH_USB_SLOT)
+		/* on board USB controller configuration */
+		pci_write_config_dword(dev, 0xe4, 1 << 5);
+}
+
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_USB,
+			nec_usb_controller_fixup);
+
+/*
+ * Prevent the PCI layer from seeing the resources allocated to this device
+ * if it is the host bridge by marking it as such.  These resources are of
+ * no consequence to the PCI layer (they are handled elsewhere).
+ */
+static void __devinit emma2rh_pci_host_fixup(struct pci_dev *dev)
+{
+	int i;
+
+	if (PCI_SLOT(dev->devfn) == EMMA2RH_PCI_HOST_SLOT) {
+		dev->class &= 0xff;
+		dev->class |= PCI_CLASS_BRIDGE_HOST << 8;
+		for (i = 0; i < PCI_NUM_RESOURCES; i++) {
+			dev->resource[i].start = 0;
+			dev->resource[i].end = 0;
+			dev->resource[i].flags = 0;
+		}
+	}
+}
+
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_EMMA2RH,
+			 emma2rh_pci_host_fixup);
+
+int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	return irq_map[slot][pin];
+}
+
+/* Do platform specific device initialization at pci_enable_device() time */
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+	return 0;
+}
diff --git a/arch/mips/pci/fixup-excite.c b/arch/mips/pci/fixup-excite.c
new file mode 100644
index 000000000000..1da696d43f00
--- /dev/null
+++ b/arch/mips/pci/fixup-excite.c
@@ -0,0 +1,36 @@
+/*
+ *  Copyright (C) 2004 by Basler Vision Technologies AG
+ *  Author: Thomas Koeller <thomas.koeller@baslerweb.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <excite.h>
+
+int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	if (pin == 0)
+		return -1;
+
+	return USB_IRQ;		/* USB controller is the only PCI device */
+}
+
+/* Do platform specific device initialization at pci_enable_device() time */
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+	return 0;
+}
diff --git a/arch/mips/pci/fixup-wrppmc.c b/arch/mips/pci/fixup-wrppmc.c
new file mode 100644
index 000000000000..3357c1300bb1
--- /dev/null
+++ b/arch/mips/pci/fixup-wrppmc.c
@@ -0,0 +1,37 @@
+/*
+ * fixup-wrppmc.c: PPMC board specific PCI fixup
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2006, Wind River Inc. Rongkai.zhan (rongkai.zhan@windriver.com)
+ */
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <asm/gt64120.h>
+
+/* PCI interrupt pins */
+#define PCI_INTA		1
+#define PCI_INTB		2
+#define PCI_INTC		3
+#define PCI_INTD		4
+
+#define PCI_SLOT_MAXNR	32 /* Each PCI bus has 32 physical slots */
+
+static char pci_irq_tab[PCI_SLOT_MAXNR][5] __initdata = {
+	/* 0    INTA   INTB   INTC   INTD */
+	[0] = {0, 0, 0, 0, 0},		/* Slot 0: GT64120 PCI bridge */
+	[6] = {0, WRPPMC_PCI_INTA_IRQ, 0, 0, 0},
+};
+
+int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	return pci_irq_tab[slot][pin];
+}
+
+/* Do platform specific device initialization at pci_enable_device() time */
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+	return 0;
+}
diff --git a/arch/mips/pci/ops-bridge.c b/arch/mips/pci/ops-bridge.c
new file mode 100644
index 000000000000..1fa09929cd7a
--- /dev/null
+++ b/arch/mips/pci/ops-bridge.c
@@ -0,0 +1,306 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1999, 2000, 04, 06 Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ */
+#include <linux/pci.h>
+#include <asm/paccess.h>
+#include <asm/pci/bridge.h>
+#include <asm/sn/arch.h>
+#include <asm/sn/intr.h>
+#include <asm/sn/sn0/hub.h>
+
+/*
+ * The Bridge ASIC supports both type 0 and type 1 access.  Type 1 is
+ * not really documented, so right now I can't write code which uses it.
+ * Therefore we use type 0 accesses for now even though they won't work
+ * correcly for PCI-to-PCI bridges.
+ *
+ * The function is complicated by the ultimate brokeness of the IOC3 chip
+ * which is used in SGI systems.  The IOC3 can only handle 32-bit PCI
+ * accesses and does only decode parts of it's address space.
+ */
+
+static int pci_conf0_read_config(struct pci_bus *bus, unsigned int devfn,
+				 int where, int size, u32 * value)
+{
+	struct bridge_controller *bc = BRIDGE_CONTROLLER(bus);
+	bridge_t *bridge = bc->base;
+	int slot = PCI_SLOT(devfn);
+	int fn = PCI_FUNC(devfn);
+	volatile void *addr;
+	u32 cf, shift, mask;
+	int res;
+
+	addr = &bridge->b_type0_cfg_dev[slot].f[fn].c[PCI_VENDOR_ID];
+	if (get_dbe(cf, (u32 *) addr))
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	/*
+	 * IOC3 is fucked fucked beyond believe ...  Don't even give the
+	 * generic PCI code a chance to look at it for real ...
+	 */
+	if (cf == (PCI_VENDOR_ID_SGI | (PCI_DEVICE_ID_SGI_IOC3 << 16)))
+		goto oh_my_gawd;
+
+	addr = &bridge->b_type0_cfg_dev[slot].f[fn].c[where ^ (4 - size)];
+
+	if (size == 1)
+		res = get_dbe(*value, (u8 *) addr);
+	else if (size == 2)
+		res = get_dbe(*value, (u16 *) addr);
+	else
+		res = get_dbe(*value, (u32 *) addr);
+
+	return res ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL;
+
+oh_my_gawd:
+
+	/*
+	 * IOC3 is fucked fucked beyond believe ...  Don't even give the
+	 * generic PCI code a chance to look at the wrong register.
+	 */
+	if ((where >= 0x14 && where < 0x40) || (where >= 0x48)) {
+		*value = 0;
+		return PCIBIOS_SUCCESSFUL;
+	}
+
+	/*
+	 * IOC3 is fucked fucked beyond believe ...  Don't try to access
+	 * anything but 32-bit words ...
+	 */
+	addr = &bridge->b_type0_cfg_dev[slot].f[fn].l[where >> 2];
+
+	if (get_dbe(cf, (u32 *) addr))
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	shift = ((where & 3) << 3);
+	mask = (0xffffffffU >> ((4 - size) << 3));
+	*value = (cf >> shift) & mask;
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+static int pci_conf1_read_config(struct pci_bus *bus, unsigned int devfn,
+				 int where, int size, u32 * value)
+{
+	struct bridge_controller *bc = BRIDGE_CONTROLLER(bus);
+	bridge_t *bridge = bc->base;
+	int busno = bus->number;
+	int slot = PCI_SLOT(devfn);
+	int fn = PCI_FUNC(devfn);
+	volatile void *addr;
+	u32 cf, shift, mask;
+	int res;
+
+	bridge->b_pci_cfg = (busno << 16) | (slot << 11);
+	addr = &bridge->b_type1_cfg.c[(fn << 8) | PCI_VENDOR_ID];
+	if (get_dbe(cf, (u32 *) addr))
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	/*
+	 * IOC3 is fucked fucked beyond believe ...  Don't even give the
+	 * generic PCI code a chance to look at it for real ...
+	 */
+	if (cf == (PCI_VENDOR_ID_SGI | (PCI_DEVICE_ID_SGI_IOC3 << 16)))
+		goto oh_my_gawd;
+
+	bridge->b_pci_cfg = (busno << 16) | (slot << 11);
+	addr = &bridge->b_type1_cfg.c[(fn << 8) | (where ^ (4 - size))];
+
+	if (size == 1)
+		res = get_dbe(*value, (u8 *) addr);
+	else if (size == 2)
+		res = get_dbe(*value, (u16 *) addr);
+	else
+		res = get_dbe(*value, (u32 *) addr);
+
+	return res ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL;
+
+oh_my_gawd:
+
+	/*
+	 * IOC3 is fucked fucked beyond believe ...  Don't even give the
+	 * generic PCI code a chance to look at the wrong register.
+	 */
+	if ((where >= 0x14 && where < 0x40) || (where >= 0x48)) {
+		*value = 0;
+		return PCIBIOS_SUCCESSFUL;
+	}
+
+	/*
+	 * IOC3 is fucked fucked beyond believe ...  Don't try to access
+	 * anything but 32-bit words ...
+	 */
+	bridge->b_pci_cfg = (busno << 16) | (slot << 11);
+	addr = &bridge->b_type1_cfg.c[(fn << 8) | where];
+
+	if (get_dbe(cf, (u32 *) addr))
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	shift = ((where & 3) << 3);
+	mask = (0xffffffffU >> ((4 - size) << 3));
+	*value = (cf >> shift) & mask;
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+static int pci_read_config(struct pci_bus *bus, unsigned int devfn,
+			   int where, int size, u32 * value)
+{
+	if (bus->number > 0)
+		return pci_conf1_read_config(bus, devfn, where, size, value);
+
+	return pci_conf0_read_config(bus, devfn, where, size, value);
+}
+
+static int pci_conf0_write_config(struct pci_bus *bus, unsigned int devfn,
+				  int where, int size, u32 value)
+{
+	struct bridge_controller *bc = BRIDGE_CONTROLLER(bus);
+	bridge_t *bridge = bc->base;
+	int slot = PCI_SLOT(devfn);
+	int fn = PCI_FUNC(devfn);
+	volatile void *addr;
+	u32 cf, shift, mask, smask;
+	int res;
+
+	addr = &bridge->b_type0_cfg_dev[slot].f[fn].c[PCI_VENDOR_ID];
+	if (get_dbe(cf, (u32 *) addr))
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	/*
+	 * IOC3 is fucked fucked beyond believe ...  Don't even give the
+	 * generic PCI code a chance to look at it for real ...
+	 */
+	if (cf == (PCI_VENDOR_ID_SGI | (PCI_DEVICE_ID_SGI_IOC3 << 16)))
+		goto oh_my_gawd;
+
+	addr = &bridge->b_type0_cfg_dev[slot].f[fn].c[where ^ (4 - size)];
+
+	if (size == 1) {
+		res = put_dbe(value, (u8 *) addr);
+	} else if (size == 2) {
+		res = put_dbe(value, (u16 *) addr);
+	} else {
+		res = put_dbe(value, (u32 *) addr);
+	}
+
+	if (res)
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	return PCIBIOS_SUCCESSFUL;
+
+oh_my_gawd:
+
+	/*
+	 * IOC3 is fucked fucked beyond believe ...  Don't even give the
+	 * generic PCI code a chance to touch the wrong register.
+	 */
+	if ((where >= 0x14 && where < 0x40) || (where >= 0x48))
+		return PCIBIOS_SUCCESSFUL;
+
+	/*
+	 * IOC3 is fucked fucked beyond believe ...  Don't try to access
+	 * anything but 32-bit words ...
+	 */
+	addr = &bridge->b_type0_cfg_dev[slot].f[fn].l[where >> 2];
+
+	if (get_dbe(cf, (u32 *) addr))
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	shift = ((where & 3) << 3);
+	mask = (0xffffffffU >> ((4 - size) << 3));
+	smask = mask << shift;
+
+	cf = (cf & ~smask) | ((value & mask) << shift);
+	if (put_dbe(cf, (u32 *) addr))
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+static int pci_conf1_write_config(struct pci_bus *bus, unsigned int devfn,
+				  int where, int size, u32 value)
+{
+	struct bridge_controller *bc = BRIDGE_CONTROLLER(bus);
+	bridge_t *bridge = bc->base;
+	int slot = PCI_SLOT(devfn);
+	int fn = PCI_FUNC(devfn);
+	int busno = bus->number;
+	volatile void *addr;
+	u32 cf, shift, mask, smask;
+	int res;
+
+	bridge->b_pci_cfg = (busno << 16) | (slot << 11);
+	addr = &bridge->b_type1_cfg.c[(fn << 8) | PCI_VENDOR_ID];
+	if (get_dbe(cf, (u32 *) addr))
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	/*
+	 * IOC3 is fucked fucked beyond believe ...  Don't even give the
+	 * generic PCI code a chance to look at it for real ...
+	 */
+	if (cf == (PCI_VENDOR_ID_SGI | (PCI_DEVICE_ID_SGI_IOC3 << 16)))
+		goto oh_my_gawd;
+
+	addr = &bridge->b_type1_cfg.c[(fn << 8) | (where ^ (4 - size))];
+
+	if (size == 1) {
+		res = put_dbe(value, (u8 *) addr);
+	} else if (size == 2) {
+		res = put_dbe(value, (u16 *) addr);
+	} else {
+		res = put_dbe(value, (u32 *) addr);
+	}
+
+	if (res)
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	return PCIBIOS_SUCCESSFUL;
+
+oh_my_gawd:
+
+	/*
+	 * IOC3 is fucked fucked beyond believe ...  Don't even give the
+	 * generic PCI code a chance to touch the wrong register.
+	 */
+	if ((where >= 0x14 && where < 0x40) || (where >= 0x48))
+		return PCIBIOS_SUCCESSFUL;
+
+	/*
+	 * IOC3 is fucked fucked beyond believe ...  Don't try to access
+	 * anything but 32-bit words ...
+	 */
+	addr = &bridge->b_type0_cfg_dev[slot].f[fn].l[where >> 2];
+
+	if (get_dbe(cf, (u32 *) addr))
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	shift = ((where & 3) << 3);
+	mask = (0xffffffffU >> ((4 - size) << 3));
+	smask = mask << shift;
+
+	cf = (cf & ~smask) | ((value & mask) << shift);
+	if (put_dbe(cf, (u32 *) addr))
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+static int pci_write_config(struct pci_bus *bus, unsigned int devfn,
+	int where, int size, u32 value)
+{
+	if (bus->number > 0)
+		return pci_conf1_write_config(bus, devfn, where, size, value);
+
+	return pci_conf0_write_config(bus, devfn, where, size, value);
+}
+
+struct pci_ops bridge_pci_ops = {
+	.read	= pci_read_config,
+	.write	= pci_write_config,
+};
diff --git a/arch/mips/pci/ops-ddb5074.c b/arch/mips/pci/ops-ddb5074.c
deleted file mode 100644
index 89f97bef4fc4..000000000000
--- a/arch/mips/pci/ops-ddb5074.c
+++ /dev/null
@@ -1,271 +0,0 @@
-/*
- * Copyright 2001 MontaVista Software Inc.
- * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
- *
- * arch/mips/ddb5xxx/ddb5476/pci_ops.c
- *     Define the pci_ops for DB5477.
- *
- * Much of the code is derived from the original DDB5074 port by
- * Geert Uytterhoeven <geert@sonycom.com>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- *
- */
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-
-#include <asm/addrspace.h>
-#include <asm/debug.h>
-
-#include <asm/ddb5xxx/ddb5xxx.h>
-
-/*
- * config_swap structure records what set of pdar/pmr are used
- * to access pci config space.  It also provides a place hold the
- * original values for future restoring.
- */
-struct pci_config_swap {
-	u32 pdar;
-	u32 pmr;
-	u32 config_base;
-	u32 config_size;
-	u32 pdar_backup;
-	u32 pmr_backup;
-};
-
-/*
- * On DDB5476, we have one set of swap registers
- */
-struct pci_config_swap ext_pci_swap = {
-	DDB_PCIW0,
-	DDB_PCIINIT0,
-	DDB_PCI_CONFIG_BASE,
-	DDB_PCI_CONFIG_SIZE
-};
-
-static int pci_config_workaround = 1;
-
-/*
- * access config space
- */
-static inline u32 ddb_access_config_base(struct pci_config_swap *swap, u32 bus,	/* 0 means top level bus */
-					 u32 slot_num)
-{
-	u32 pci_addr = 0;
-	u32 pciinit_offset = 0;
-	u32 virt_addr = swap->config_base;
-	u32 option;
-
-	if (pci_config_workaround) {
-		if (slot_num == 5)
-			slot_num = 14;
-	} else {
-		if (slot_num == 5)
-			return DDB_BASE + DDB_PCI_BASE;
-	}
-
-	/* minimum pdar (window) size is 2MB */
-	db_assert(swap->config_size >= (2 << 20));
-
-	db_assert(slot_num < (1 << 5));
-	db_assert(bus < (1 << 8));
-
-	/* backup registers */
-	swap->pdar_backup = ddb_in32(swap->pdar);
-	swap->pmr_backup = ddb_in32(swap->pmr);
-
-	/* set the pdar (pci window) register */
-	ddb_set_pdar(swap->pdar, swap->config_base, swap->config_size, 32,	/* 32 bit wide */
-		     0,		/* not on local memory bus */
-		     0);	/* not visible from PCI bus (N/A) */
-
-	/*
-	 * calcuate the absolute pci config addr;
-	 * according to the spec, we start scanning from adr:11 (0x800)
-	 */
-	if (bus == 0) {
-		/* type 0 config */
-		pci_addr = 0x00040000 << slot_num;
-	} else {
-		/* type 1 config */
-		pci_addr = 0x00040000 << slot_num;
-		panic
-		    ("ddb_access_config_base: we don't support type 1 config Yet");
-	}
-
-	/*
-	 * if pci_addr is less than pci config window size,  we set
-	 * pciinit_offset to 0 and adjust the virt_address.
-	 * Otherwise we will try to adjust pciinit_offset.
-	 */
-	if (pci_addr < swap->config_size) {
-		virt_addr = KSEG1ADDR(swap->config_base + pci_addr);
-		pciinit_offset = 0;
-	} else {
-		db_assert((pci_addr & (swap->config_size - 1)) == 0);
-		virt_addr = KSEG1ADDR(swap->config_base);
-		pciinit_offset = pci_addr;
-	}
-
-	/* set the pmr register */
-	option = DDB_PCI_ACCESS_32;
-	if (bus != 0)
-		option |= DDB_PCI_CFGTYPE1;
-	ddb_set_pmr(swap->pmr, DDB_PCICMD_CFG, pciinit_offset, option);
-
-	return virt_addr;
-}
-
-static inline void ddb_close_config_base(struct pci_config_swap *swap)
-{
-	ddb_out32(swap->pdar, swap->pdar_backup);
-	ddb_out32(swap->pmr, swap->pmr_backup);
-}
-
-static int read_config_dword(struct pci_config_swap *swap,
-			     struct pci_dev *dev, u32 where, u32 * val)
-{
-	u32 bus, slot_num, func_num;
-	u32 base;
-
-	db_assert((where & 3) == 0);
-	db_assert(where < (1 << 8));
-
-	/* check if the bus is top-level */
-	if (dev->bus->parent != NULL) {
-		bus = dev->bus->number;
-		db_assert(bus != 0);
-	} else {
-		bus = 0;
-	}
-
-	slot_num = PCI_SLOT(dev->devfn);
-	func_num = PCI_FUNC(dev->devfn);
-	base = ddb_access_config_base(swap, bus, slot_num);
-	*val = *(volatile u32 *) (base + (func_num << 8) + where);
-	ddb_close_config_base(swap);
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int read_config_word(struct pci_config_swap *swap,
-			    struct pci_dev *dev, u32 where, u16 * val)
-{
-	int status;
-	u32 result;
-
-	db_assert((where & 1) == 0);
-
-	status = read_config_dword(swap, dev, where & ~3, &result);
-	if (where & 2)
-		result >>= 16;
-	*val = result & 0xffff;
-	return status;
-}
-
-static int read_config_byte(struct pci_config_swap *swap,
-			    struct pci_dev *dev, u32 where, u8 * val)
-{
-	int status;
-	u32 result;
-
-	status = read_config_dword(swap, dev, where & ~3, &result);
-	if (where & 1)
-		result >>= 8;
-	if (where & 2)
-		result >>= 16;
-	*val = result & 0xff;
-	return status;
-}
-
-static int write_config_dword(struct pci_config_swap *swap,
-			      struct pci_dev *dev, u32 where, u32 val)
-{
-	u32 bus, slot_num, func_num;
-	u32 base;
-
-	db_assert((where & 3) == 0);
-	db_assert(where < (1 << 8));
-
-	/* check if the bus is top-level */
-	if (dev->bus->parent != NULL) {
-		bus = dev->bus->number;
-		db_assert(bus != 0);
-	} else {
-		bus = 0;
-	}
-
-	slot_num = PCI_SLOT(dev->devfn);
-	func_num = PCI_FUNC(dev->devfn);
-	base = ddb_access_config_base(swap, bus, slot_num);
-	*(volatile u32 *) (base + (func_num << 8) + where) = val;
-	ddb_close_config_base(swap);
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int write_config_word(struct pci_config_swap *swap,
-			     struct pci_dev *dev, u32 where, u16 val)
-{
-	int status, shift = 0;
-	u32 result;
-
-	db_assert((where & 1) == 0);
-
-	status = read_config_dword(swap, dev, where & ~3, &result);
-	if (status != PCIBIOS_SUCCESSFUL)
-		return status;
-
-	if (where & 2)
-		shift += 16;
-	result &= ~(0xffff << shift);
-	result |= val << shift;
-	return write_config_dword(swap, dev, where & ~3, result);
-}
-
-static int write_config_byte(struct pci_config_swap *swap,
-			     struct pci_dev *dev, u32 where, u8 val)
-{
-	int status, shift = 0;
-	u32 result;
-
-	status = read_config_dword(swap, dev, where & ~3, &result);
-	if (status != PCIBIOS_SUCCESSFUL)
-		return status;
-
-	if (where & 2)
-		shift += 16;
-	if (where & 1)
-		shift += 8;
-	result &= ~(0xff << shift);
-	result |= val << shift;
-	return write_config_dword(swap, dev, where & ~3, result);
-}
-
-#define	MAKE_PCI_OPS(prefix, rw, unitname, unittype, pciswap) \
-static int prefix##_##rw##_config_##unitname(struct pci_dev *dev, int where, unittype val) \
-{ \
-     return rw##_config_##unitname(pciswap, \
-                                   dev, \
-                                   where, \
-                                   val); \
-}
-
-MAKE_PCI_OPS(extpci, read, byte, u8 *, &ext_pci_swap)
-    MAKE_PCI_OPS(extpci, read, word, u16 *, &ext_pci_swap)
-    MAKE_PCI_OPS(extpci, read, dword, u32 *, &ext_pci_swap)
-
-    MAKE_PCI_OPS(extpci, write, byte, u8, &ext_pci_swap)
-    MAKE_PCI_OPS(extpci, write, word, u16, &ext_pci_swap)
-    MAKE_PCI_OPS(extpci, write, dword, u32, &ext_pci_swap)
-
-struct pci_ops ddb5476_ext_pci_ops = {
-	extpci_read_config_byte,
-	extpci_read_config_word,
-	extpci_read_config_dword,
-	extpci_write_config_byte,
-	extpci_write_config_word,
-	extpci_write_config_dword
-};
diff --git a/arch/mips/pci/ops-ddb5476.c b/arch/mips/pci/ops-ddb5476.c
deleted file mode 100644
index 12da58e75ec7..000000000000
--- a/arch/mips/pci/ops-ddb5476.c
+++ /dev/null
@@ -1,286 +0,0 @@
-/*
- * Copyright 2001 MontaVista Software Inc.
- * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
- *
- * arch/mips/ddb5xxx/ddb5476/pci_ops.c
- *     Define the pci_ops for DB5477.
- *
- * Much of the code is derived from the original DDB5074 port by
- * Geert Uytterhoeven <geert@sonycom.com>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- *
- */
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-
-#include <asm/addrspace.h>
-#include <asm/debug.h>
-
-#include <asm/ddb5xxx/ddb5xxx.h>
-
-/*
- * config_swap structure records what set of pdar/pmr are used
- * to access pci config space.  It also provides a place hold the
- * original values for future restoring.
- */
-struct pci_config_swap {
-	u32 pdar;
-	u32 pmr;
-	u32 config_base;
-	u32 config_size;
-	u32 pdar_backup;
-	u32 pmr_backup;
-};
-
-/*
- * On DDB5476, we have one set of swap registers
- */
-struct pci_config_swap ext_pci_swap = {
-	DDB_PCIW0,
-	DDB_PCIINIT0,
-	DDB_PCI_CONFIG_BASE,
-	DDB_PCI_CONFIG_SIZE
-};
-
-static int pci_config_workaround = 1;
-
-/*
- * access config space
- */
-static inline u32 ddb_access_config_base(struct pci_config_swap *swap, u32 bus,	/* 0 means top level bus */
-					 u32 slot_num)
-{
-	u32 pci_addr = 0;
-	u32 pciinit_offset = 0;
-	u32 virt_addr = swap->config_base;
-	u32 option;
-
-	if (pci_config_workaround) {
-		/* [jsun] work around Vrc5476 controller itself, returnning
-		 * slot 0 essentially makes vrc5476 invisible
-		 */
-		if (slot_num == 12)
-			slot_num = 0;
-
-#if 0
-		/* BUG : skip P2P bridge for now */
-		if (slot_num == 5)
-			slot_num = 0;
-#endif
-
-	} else {
-		/* now we have to be hornest, returning the true
-		 * PCI config headers for vrc5476
-		 */
-		if (slot_num == 12) {
-			swap->pdar_backup = ddb_in32(swap->pdar);
-			swap->pmr_backup = ddb_in32(swap->pmr);
-			return DDB_BASE + DDB_PCI_BASE;
-		}
-	}
-
-	/* minimum pdar (window) size is 2MB */
-	db_assert(swap->config_size >= (2 << 20));
-
-	db_assert(slot_num < (1 << 5));
-	db_assert(bus < (1 << 8));
-
-	/* backup registers */
-	swap->pdar_backup = ddb_in32(swap->pdar);
-	swap->pmr_backup = ddb_in32(swap->pmr);
-
-	/* set the pdar (pci window) register */
-	ddb_set_pdar(swap->pdar, swap->config_base, swap->config_size, 32,	/* 32 bit wide */
-		     0,		/* not on local memory bus */
-		     0);	/* not visible from PCI bus (N/A) */
-
-	/*
-	 * calcuate the absolute pci config addr;
-	 * according to the spec, we start scanning from adr:11 (0x800)
-	 */
-	if (bus == 0) {
-		/* type 0 config */
-		pci_addr = 0x800 << slot_num;
-	} else {
-		/* type 1 config */
-		pci_addr = (bus << 16) | (slot_num << 11);
-		/* panic("ddb_access_config_base: we don't support type 1 config Yet"); */
-	}
-
-	/*
-	 * if pci_addr is less than pci config window size,  we set
-	 * pciinit_offset to 0 and adjust the virt_address.
-	 * Otherwise we will try to adjust pciinit_offset.
-	 */
-	if (pci_addr < swap->config_size) {
-		virt_addr = KSEG1ADDR(swap->config_base + pci_addr);
-		pciinit_offset = 0;
-	} else {
-		db_assert((pci_addr & (swap->config_size - 1)) == 0);
-		virt_addr = KSEG1ADDR(swap->config_base);
-		pciinit_offset = pci_addr;
-	}
-
-	/* set the pmr register */
-	option = DDB_PCI_ACCESS_32;
-	if (bus != 0)
-		option |= DDB_PCI_CFGTYPE1;
-	ddb_set_pmr(swap->pmr, DDB_PCICMD_CFG, pciinit_offset, option);
-
-	return virt_addr;
-}
-
-static inline void ddb_close_config_base(struct pci_config_swap *swap)
-{
-	ddb_out32(swap->pdar, swap->pdar_backup);
-	ddb_out32(swap->pmr, swap->pmr_backup);
-}
-
-static int read_config_dword(struct pci_config_swap *swap,
-			     struct pci_dev *dev, u32 where, u32 * val)
-{
-	u32 bus, slot_num, func_num;
-	u32 base;
-
-	db_assert((where & 3) == 0);
-	db_assert(where < (1 << 8));
-
-	/* check if the bus is top-level */
-	if (dev->bus->parent != NULL) {
-		bus = dev->bus->number;
-		db_assert(bus != 0);
-	} else {
-		bus = 0;
-	}
-
-	slot_num = PCI_SLOT(dev->devfn);
-	func_num = PCI_FUNC(dev->devfn);
-	base = ddb_access_config_base(swap, bus, slot_num);
-	*val = *(volatile u32 *) (base + (func_num << 8) + where);
-	ddb_close_config_base(swap);
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int read_config_word(struct pci_config_swap *swap,
-			    struct pci_dev *dev, u32 where, u16 * val)
-{
-	int status;
-	u32 result;
-
-	db_assert((where & 1) == 0);
-
-	status = read_config_dword(swap, dev, where & ~3, &result);
-	if (where & 2)
-		result >>= 16;
-	*val = result & 0xffff;
-	return status;
-}
-
-static int read_config_byte(struct pci_config_swap *swap,
-			    struct pci_dev *dev, u32 where, u8 * val)
-{
-	int status;
-	u32 result;
-
-	status = read_config_dword(swap, dev, where & ~3, &result);
-	if (where & 1)
-		result >>= 8;
-	if (where & 2)
-		result >>= 16;
-	*val = result & 0xff;
-	return status;
-}
-
-static int write_config_dword(struct pci_config_swap *swap,
-			      struct pci_dev *dev, u32 where, u32 val)
-{
-	u32 bus, slot_num, func_num;
-	u32 base;
-
-	db_assert((where & 3) == 0);
-	db_assert(where < (1 << 8));
-
-	/* check if the bus is top-level */
-	if (dev->bus->parent != NULL) {
-		bus = dev->bus->number;
-		db_assert(bus != 0);
-	} else {
-		bus = 0;
-	}
-
-	slot_num = PCI_SLOT(dev->devfn);
-	func_num = PCI_FUNC(dev->devfn);
-	base = ddb_access_config_base(swap, bus, slot_num);
-	*(volatile u32 *) (base + (func_num << 8) + where) = val;
-	ddb_close_config_base(swap);
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int write_config_word(struct pci_config_swap *swap,
-			     struct pci_dev *dev, u32 where, u16 val)
-{
-	int status, shift = 0;
-	u32 result;
-
-	db_assert((where & 1) == 0);
-
-	status = read_config_dword(swap, dev, where & ~3, &result);
-	if (status != PCIBIOS_SUCCESSFUL)
-		return status;
-
-	if (where & 2)
-		shift += 16;
-	result &= ~(0xffff << shift);
-	result |= val << shift;
-	return write_config_dword(swap, dev, where & ~3, result);
-}
-
-static int write_config_byte(struct pci_config_swap *swap,
-			     struct pci_dev *dev, u32 where, u8 val)
-{
-	int status, shift = 0;
-	u32 result;
-
-	status = read_config_dword(swap, dev, where & ~3, &result);
-	if (status != PCIBIOS_SUCCESSFUL)
-		return status;
-
-	if (where & 2)
-		shift += 16;
-	if (where & 1)
-		shift += 8;
-	result &= ~(0xff << shift);
-	result |= val << shift;
-	return write_config_dword(swap, dev, where & ~3, result);
-}
-
-#define	MAKE_PCI_OPS(prefix, rw, unitname, unittype, pciswap) \
-static int prefix##_##rw##_config_##unitname(struct pci_dev *dev, int where, unittype val) \
-{ \
-     return rw##_config_##unitname(pciswap, \
-                                   dev, \
-                                   where, \
-                                   val); \
-}
-
-MAKE_PCI_OPS(extpci, read, byte, u8 *, &ext_pci_swap)
-    MAKE_PCI_OPS(extpci, read, word, u16 *, &ext_pci_swap)
-    MAKE_PCI_OPS(extpci, read, dword, u32 *, &ext_pci_swap)
-
-    MAKE_PCI_OPS(extpci, write, byte, u8, &ext_pci_swap)
-    MAKE_PCI_OPS(extpci, write, word, u16, &ext_pci_swap)
-    MAKE_PCI_OPS(extpci, write, dword, u32, &ext_pci_swap)
-
-struct pci_ops ddb5476_ext_pci_ops = {
-	extpci_read_config_byte,
-	extpci_read_config_word,
-	extpci_read_config_dword,
-	extpci_write_config_byte,
-	extpci_write_config_word,
-	extpci_write_config_dword
-};
diff --git a/arch/mips/pci/ops-emma2rh.c b/arch/mips/pci/ops-emma2rh.c
new file mode 100644
index 000000000000..e21b11bf66bc
--- /dev/null
+++ b/arch/mips/pci/ops-emma2rh.c
@@ -0,0 +1,186 @@
+/*
+ *  arch/mips/pci/ops-emma2rh.c
+ *      This file defines the PCI operation for EMMA2RH.
+ *
+ *  Copyright (C) NEC Electronics Corporation 2004-2006
+ *
+ *  This file is based on the arch/mips/pci/ops-vr41xx.c
+ *
+ *	Copyright 2001 MontaVista Software Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/config.h>
+#include <linux/pci.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+
+#include <asm/addrspace.h>
+#include <asm/debug.h>
+
+#include <asm/emma2rh/emma2rh.h>
+
+#define RTABORT (0x1<<9)
+#define RMABORT (0x1<<10)
+#define EMMA2RH_PCI_SLOT_NUM 9	/* 0000:09.0 is final PCI device */
+
+/*
+ * access config space
+ */
+
+static int check_args(struct pci_bus *bus, u32 devfn, u32 * bus_num)
+{
+	/* check if the bus is top-level */
+	if (bus->parent != NULL) {
+		*bus_num = bus->number;
+		db_assert(bus_num != 0);
+	} else
+		*bus_num = 0;
+
+	if (*bus_num == 0) {
+		/* Type 0 */
+		if (PCI_SLOT(devfn) >= 10)
+			return PCIBIOS_DEVICE_NOT_FOUND;
+	} else {
+		/* Type 1 */
+		if ((*bus_num >= 64) || (PCI_SLOT(devfn) >= 16))
+			return PCIBIOS_DEVICE_NOT_FOUND;
+	}
+	return 0;
+}
+
+static inline int set_pci_configuration_address(unsigned char bus_num,
+						unsigned int devfn, int where)
+{
+	u32 config_win0;
+
+	emma2rh_out32(EMMA2RH_PCI_INT, ~RMABORT);
+	if (bus_num == 0)
+		/*
+		 * Type 0 configuration
+		 */
+		config_win0 = (1 << (22 + PCI_SLOT(devfn))) | (5 << 9);
+	else
+		/*
+		 * Type 1 configuration
+		 */
+		config_win0 = (bus_num << 26) | (PCI_SLOT(devfn) << 22) |
+		    (1 << 15) | (5 << 9);
+
+	emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, config_win0);
+
+	return 0;
+}
+
+static int pci_config_read(struct pci_bus *bus, unsigned int devfn, int where,
+			   int size, uint32_t * val)
+{
+	u32 bus_num;
+	u32 base = KSEG1ADDR(EMMA2RH_PCI_CONFIG_BASE);
+	u32 backup_win0;
+	u32 data;
+
+	*val = 0xffffffffU;
+
+	if (check_args(bus, devfn, &bus_num) == PCIBIOS_DEVICE_NOT_FOUND)
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	backup_win0 = emma2rh_in32(EMMA2RH_PCI_IWIN0_CTR);
+
+	if (set_pci_configuration_address(bus_num, devfn, where) < 0)
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	data =
+	    *(volatile u32 *)(base + (PCI_FUNC(devfn) << 8) +
+			      (where & 0xfffffffc));
+
+	switch (size) {
+	case 1:
+		*val = (data >> ((where & 3) << 3)) & 0xffU;
+		break;
+	case 2:
+		*val = (data >> ((where & 2) << 3)) & 0xffffU;
+		break;
+	case 4:
+		*val = data;
+		break;
+	default:
+		emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, backup_win0);
+		return PCIBIOS_FUNC_NOT_SUPPORTED;
+	}
+
+	emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, backup_win0);
+
+	if (emma2rh_in32(EMMA2RH_PCI_INT) & RMABORT)
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+static int pci_config_write(struct pci_bus *bus, unsigned int devfn, int where,
+			    int size, u32 val)
+{
+	u32 bus_num;
+	u32 base = KSEG1ADDR(EMMA2RH_PCI_CONFIG_BASE);
+	u32 backup_win0;
+	u32 data;
+	int shift;
+
+	if (check_args(bus, devfn, &bus_num) == PCIBIOS_DEVICE_NOT_FOUND)
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	backup_win0 = emma2rh_in32(EMMA2RH_PCI_IWIN0_CTR);
+
+	if (set_pci_configuration_address(bus_num, devfn, where) < 0)
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	/* read modify write */
+	data =
+	    *(volatile u32 *)(base + (PCI_FUNC(devfn) << 8) +
+			      (where & 0xfffffffc));
+
+	switch (size) {
+	case 1:
+		shift = (where & 3) << 3;
+		data &= ~(0xffU << shift);
+		data |= ((val & 0xffU) << shift);
+		break;
+	case 2:
+		shift = (where & 2) << 3;
+		data &= ~(0xffffU << shift);
+		data |= ((val & 0xffffU) << shift);
+		break;
+	case 4:
+		data = val;
+		break;
+	default:
+		emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, backup_win0);
+		return PCIBIOS_FUNC_NOT_SUPPORTED;
+	}
+	*(volatile u32 *)(base + (PCI_FUNC(devfn) << 8) +
+			  (where & 0xfffffffc)) = data;
+
+	emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, backup_win0);
+	if (emma2rh_in32(EMMA2RH_PCI_INT) & RMABORT)
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+struct pci_ops emma2rh_pci_ops = {
+	.read = pci_config_read,
+	.write = pci_config_write,
+};
diff --git a/arch/mips/pci/ops-it8172.c b/arch/mips/pci/ops-it8172.c
index b7a8b9a6f9db..ba8328505a0a 100644
--- a/arch/mips/pci/ops-it8172.c
+++ b/arch/mips/pci/ops-it8172.c
@@ -50,30 +50,28 @@
 static struct resource pci_mem_resource_1;
 
 static struct resource pci_io_resource = {
-	"io pci IO space",
-	0x14018000,
-	0x17FFFFFF,
-	IORESOURCE_IO
+	.start	= 0x14018000,
+	.end	= 0x17FFFFFF,
+	.name	= "io pci IO space",
+	.flags	= IORESOURCE_IO
 };
 
 static struct resource pci_mem_resource_0 = {
-	"ext pci memory space 0/1",
-	0x10101000,
-	0x13FFFFFF,
-	IORESOURCE_MEM,
-	&pci_mem_resource_0,
-	NULL,
-	&pci_mem_resource_1
+	.start	= 0x10101000,
+	.end	= 0x13FFFFFF,
+	.name	= "ext pci memory space 0/1",
+	.flags	= IORESOURCE_MEM,
+	.parent	= &pci_mem_resource_0,
+	.sibling = NULL,
+	.child	= &pci_mem_resource_1
 };
 
 static struct resource pci_mem_resource_1 = {
-	"ext pci memory space 2/3",
-	0x1A000000,
-	0x1FBFFFFF,
-	IORESOURCE_MEM,
-	&pci_mem_resource_0,
-	NULL,
-	NULL
+	.start	= 0x1A000000,
+	.end	= 0x1FBFFFFF,
+	.name	= "ext pci memory space 2/3",
+	.flags	= IORESOURCE_MEM,
+	.parent	= &pci_mem_resource_0
 };
 
 extern struct pci_ops it8172_pci_ops;
diff --git a/arch/mips/pci/ops-sni.c b/arch/mips/pci/ops-sni.c
index 62bdd19c7f8e..2b0ccd6d9dcd 100644
--- a/arch/mips/pci/ops-sni.c
+++ b/arch/mips/pci/ops-sni.c
@@ -47,13 +47,13 @@ static int pcimt_read(struct pci_bus *bus, unsigned int devfn, int reg,
 
 	switch (size) {
 	case 1:
-		*val = *(volatile  u8 *) (PCIMT_CONFIG_DATA + (reg & 3));
+		*val = inb(PCIMT_CONFIG_DATA + (reg & 3));
 		break;
 	case 2:
-		*val = *(volatile u16 *) (PCIMT_CONFIG_DATA + (reg & 2));
+		*val = inw(PCIMT_CONFIG_DATA + (reg & 2));
 		break;
 	case 4:
-		*val = *(volatile u32 *) PCIMT_CONFIG_DATA;
+		*val = inl(PCIMT_CONFIG_DATA);
 		break;
 	}
 
@@ -70,13 +70,13 @@ static int pcimt_write(struct pci_bus *bus, unsigned int devfn, int reg,
 
 	switch (size) {
 	case 1:
-		*(volatile  u8 *) (PCIMT_CONFIG_DATA + (reg & 3)) = val;
+		outb (val, PCIMT_CONFIG_DATA + (reg & 3));
 		break;
 	case 2:
-		*(volatile u16 *) (PCIMT_CONFIG_DATA + (reg & 2)) = val;
+		outw (val, PCIMT_CONFIG_DATA + (reg & 2));
 		break;
 	case 4:
-		*(volatile u32 *) PCIMT_CONFIG_DATA = val;
+		outl (val, PCIMT_CONFIG_DATA);
 		break;
 	}
 
diff --git a/arch/mips/pci/ops-titan.c b/arch/mips/pci/ops-titan.c
index 233ec6f2054d..ebf8fc40e9b2 100644
--- a/arch/mips/pci/ops-titan.c
+++ b/arch/mips/pci/ops-titan.c
@@ -26,8 +26,19 @@
 #include <linux/pci.h>
 #include <linux/kernel.h>
 
-#include <asm/titan_dep.h>
+#include <asm/pci.h>
+#include <asm/io.h>
+#include <asm/rm9k-ocd.h>
 
+/*
+ * PCI specific defines
+ */
+#define	TITAN_PCI_0_CONFIG_ADDRESS	0x780
+#define	TITAN_PCI_0_CONFIG_DATA		0x784
+
+/*
+ * Titan PCI Config Read Byte
+ */
 static int titan_read_config(struct pci_bus *bus, unsigned int devfn, int reg,
 	int size, u32 * val)
 {
@@ -43,8 +54,8 @@ static int titan_read_config(struct pci_bus *bus, unsigned int devfn, int reg,
 
 
 	/* start the configuration cycle */
-	TITAN_WRITE(TITAN_PCI_0_CONFIG_ADDRESS, address);
-	tmp = TITAN_READ(TITAN_PCI_0_CONFIG_DATA) >> ((reg & 3) << 3);
+	ocd_writel(address, TITAN_PCI_0_CONFIG_ADDRESS);
+	tmp = ocd_readl(TITAN_PCI_0_CONFIG_DATA) >> ((reg & 3) << 3);
 
 	switch (size) {
 	case 1:
@@ -71,20 +82,20 @@ static int titan_write_config(struct pci_bus *bus, unsigned int devfn, int reg,
 		(reg & 0xfc) | 0x80000000;
 
 	/* start the configuration cycle */
-	TITAN_WRITE(TITAN_PCI_0_CONFIG_ADDRESS, address);
+	ocd_writel(address, TITAN_PCI_0_CONFIG_ADDRESS);
 
 	/* write the data */
 	switch (size) {
 	case 1:
-		TITAN_WRITE_8(TITAN_PCI_0_CONFIG_DATA + (~reg & 0x3), val);
+		ocd_writeb(val, TITAN_PCI_0_CONFIG_DATA + (~reg & 0x3));
 		break;
 
 	case 2:
-		TITAN_WRITE_16(TITAN_PCI_0_CONFIG_DATA + (~reg & 0x2), val);
+		ocd_writew(val, TITAN_PCI_0_CONFIG_DATA + (~reg & 0x2));
 		break;
 
 	case 4:
-		TITAN_WRITE(TITAN_PCI_0_CONFIG_DATA, val);
+		ocd_writel(val, TITAN_PCI_0_CONFIG_DATA);
 		break;
 	}
 
diff --git a/arch/mips/pci/pci-ddb5074.c b/arch/mips/pci/pci-ddb5074.c
deleted file mode 100644
index 73f9ceeb2f55..000000000000
--- a/arch/mips/pci/pci-ddb5074.c
+++ /dev/null
@@ -1,79 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-
-#include <asm/debug.h>
-
-#include <asm/ddb5xxx/ddb5xxx.h>
-
-static struct resource extpci_io_resource = {
-	"pci IO space",
-	0x1000,			/* leave some room for ISA bus */
-	DDB_PCI_IO_SIZE - 1,
-	IORESOURCE_IO
-};
-
-static struct resource extpci_mem_resource = {
-	"pci memory space",
-	DDB_PCI_MEM_BASE + 0x00100000,	/* leave 1 MB for RTC */
-	DDB_PCI_MEM_BASE + DDB_PCI_MEM_SIZE - 1,
-	IORESOURCE_MEM
-};
-
-extern struct pci_ops ddb5476_ext_pci_ops;
-
-struct pci_controller ddb5476_controller = {
-	.pci_ops	= &ddb5476_ext_pci_ops,
-	.io_resource	= &extpci_io_resource,
-	.mem_resource	= &extpci_mem_resource,
-};
-
-#define     PCI_EXT_INTA        8
-#define     PCI_EXT_INTB        9
-#define     PCI_EXT_INTC        10
-#define     PCI_EXT_INTD        11
-#define     PCI_EXT_INTE        12
-
-#define     MAX_SLOT_NUM        14
-
-static unsigned char irq_map[MAX_SLOT_NUM] = {
-  [ 0] = nile4_to_irq(PCI_EXT_INTE),
-  [ 1] = nile4_to_irq(PCI_EXT_INTA),
-  [ 2] = nile4_to_irq(PCI_EXT_INTA),
-  [ 3] = nile4_to_irq(PCI_EXT_INTB),
-  [ 4] = nile4_to_irq(PCI_EXT_INTC),
-  [ 5] = nile4_to_irq(NILE4_INT_UART),
-  [10] = nile4_to_irq(PCI_EXT_INTE),
-  [13] = nile4_to_irq(PCI_EXT_INTE),
-};
-
-int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
-{
-	return irq_map[slot];
-}
-
-/* Do platform specific device initialization at pci_enable_device() time */
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
-	return 0;
-}
-
-void __init ddb_pci_reset_bus(void)
-{
-	u32 temp;
-
-	/*
-	 * I am not sure about the "official" procedure, the following
-	 * steps work as far as I know:
-	 * We first set PCI cold reset bit (bit 31) in PCICTRL-H.
-	 * Then we clear the PCI warm reset bit (bit 30) to 0 in PCICTRL-H.
-	 * The same is true for both PCI channels.
-	 */
-	temp = ddb_in32(DDB_PCICTRL + 4);
-	temp |= 0x80000000;
-	ddb_out32(DDB_PCICTRL + 4, temp);
-	temp &= ~0xc0000000;
-	ddb_out32(DDB_PCICTRL + 4, temp);
-
-}
diff --git a/arch/mips/pci/pci-ddb5476.c b/arch/mips/pci/pci-ddb5476.c
deleted file mode 100644
index 90dd49509800..000000000000
--- a/arch/mips/pci/pci-ddb5476.c
+++ /dev/null
@@ -1,93 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-
-#include <asm/debug.h>
-
-#include <asm/ddb5xxx/ddb5xxx.h>
-
-static struct resource extpci_io_resource = {
-	"pci IO space",
-	0x1000,			/* leave some room for ISA bus */
-	DDB_PCI_IO_SIZE - 1,
-	IORESOURCE_IO
-};
-
-static struct resource extpci_mem_resource = {
-	"pci memory space",
-	DDB_PCI_MEM_BASE + 0x00100000,	/* leave 1 MB for RTC */
-	DDB_PCI_MEM_BASE + DDB_PCI_MEM_SIZE - 1,
-	IORESOURCE_MEM
-};
-
-extern struct pci_ops ddb5476_ext_pci_ops;
-
-struct pci_controller ddb5476_controller = {
-	.pci_ops	= &ddb5476_ext_pci_ops,
-	.io_resource	= &extpci_io_resource,
-	.mem_resource	= &extpci_mem_resource
-};
-
-
-/*
- * we fix up irqs based on the slot number.
- * The first entry is at AD:11.
- *
- * This does not work for devices on sub-buses yet.
- */
-
-/*
- * temporary
- */
-
-#define		PCI_EXT_INTA		8
-#define		PCI_EXT_INTB		9
-#define		PCI_EXT_INTC		10
-#define		PCI_EXT_INTD		11
-#define		PCI_EXT_INTE		12
-
-/*
- * based on ddb5477 manual page 11
- */
-#define		MAX_SLOT_NUM		21
-static unsigned char irq_map[MAX_SLOT_NUM] = {
- [ 2] = 9,				/* AD:13	USB		*/
- [ 3] = 10,				/* AD:14	PMU		*/
- [ 5] = 0,				/* AD:16 	P2P bridge	*/
- [ 6] = nile4_to_irq(PCI_EXT_INTB),	/* AD:17			*/
- [ 7] =	nile4_to_irq(PCI_EXT_INTC),	/* AD:18			*/
- [ 8] = nile4_to_irq(PCI_EXT_INTD),	/* AD:19			*/
- [ 9] = nile4_to_irq(PCI_EXT_INTA),	/* AD:20			*/
- [13] = 14,				/* AD:24 HD controller, M5229	*/
-};
-
-int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
-{
-	return irq_map[slot];
-}
-
-/* Do platform specific device initialization at pci_enable_device() time */
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
-	return 0;
-}
-
-void __init ddb_pci_reset_bus(void)
-{
-	u32 temp;
-
-	/*
-	 * I am not sure about the "official" procedure, the following
-	 * steps work as far as I know:
-	 * We first set PCI cold reset bit (bit 31) in PCICTRL-H.
-	 * Then we clear the PCI warm reset bit (bit 30) to 0 in PCICTRL-H.
-	 * The same is true for both PCI channels.
-	 */
-	temp = ddb_in32(DDB_PCICTRL + 4);
-	temp |= 0x80000000;
-	ddb_out32(DDB_PCICTRL + 4, temp);
-	temp &= ~0xc0000000;
-	ddb_out32(DDB_PCICTRL + 4, temp);
-
-}
diff --git a/arch/mips/pci/pci-ddb5477.c b/arch/mips/pci/pci-ddb5477.c
index 826d653184e5..d071bc375b11 100644
--- a/arch/mips/pci/pci-ddb5477.c
+++ b/arch/mips/pci/pci-ddb5477.c
@@ -22,31 +22,31 @@
 #include <asm/ddb5xxx/ddb5xxx.h>
 
 static struct resource extpci_io_resource = {
-	"ext pci IO space",
-	DDB_PCI0_IO_BASE - DDB_PCI_IO_BASE + 0x4000,
-	DDB_PCI0_IO_BASE - DDB_PCI_IO_BASE + DDB_PCI0_IO_SIZE - 1,
-	IORESOURCE_IO
+	.start	= DDB_PCI0_IO_BASE - DDB_PCI_IO_BASE + 0x4000,
+	.end	= DDB_PCI0_IO_BASE - DDB_PCI_IO_BASE + DDB_PCI0_IO_SIZE - 1,
+	.name	= "ext pci IO space",
+	.flags	= IORESOURCE_IO
 };
 
 static struct resource extpci_mem_resource = {
-	"ext pci memory space",
-	DDB_PCI0_MEM_BASE + 0x100000,
-	DDB_PCI0_MEM_BASE + DDB_PCI0_MEM_SIZE - 1,
-	IORESOURCE_MEM
+	.start	= DDB_PCI0_MEM_BASE + 0x100000,
+	.end	= DDB_PCI0_MEM_BASE + DDB_PCI0_MEM_SIZE - 1,
+	.name	= "ext pci memory space",
+	.flags	= IORESOURCE_MEM
 };
 
 static struct resource iopci_io_resource = {
-	"io pci IO space",
-	DDB_PCI1_IO_BASE - DDB_PCI_IO_BASE,
-	DDB_PCI1_IO_BASE - DDB_PCI_IO_BASE + DDB_PCI1_IO_SIZE - 1,
-	IORESOURCE_IO
+	.start	= DDB_PCI1_IO_BASE - DDB_PCI_IO_BASE,
+	.end	= DDB_PCI1_IO_BASE - DDB_PCI_IO_BASE + DDB_PCI1_IO_SIZE - 1,
+	.name	= "io pci IO space",
+	.flags	= IORESOURCE_IO
 };
 
 static struct resource iopci_mem_resource = {
-	"ext pci memory space",
-	DDB_PCI1_MEM_BASE,
-	DDB_PCI1_MEM_BASE + DDB_PCI1_MEM_SIZE - 1,
-	IORESOURCE_MEM
+	.start	= DDB_PCI1_MEM_BASE,
+	.end	= DDB_PCI1_MEM_BASE + DDB_PCI1_MEM_SIZE - 1,
+	.name	= "ext pci memory space",
+	.flags	= IORESOURCE_MEM
 };
 
 extern struct pci_ops ddb5477_ext_pci_ops;
diff --git a/arch/mips/pci/pci-emma2rh.c b/arch/mips/pci/pci-emma2rh.c
new file mode 100644
index 000000000000..0f8b230057d3
--- /dev/null
+++ b/arch/mips/pci/pci-emma2rh.c
@@ -0,0 +1,90 @@
+/*
+ *  arch/mips/pci/pci-emma2rh.c
+ *      This file defines the PCI configration.
+ *
+ *  Copyright (C) NEC Electronics Corporation 2004-2006
+ *
+ *  This file is based on the arch/mips/ddb5xxx/ddb5477/pci.c
+ *
+ *	Copyright 2001 MontaVista Software Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+
+#include <asm/bootinfo.h>
+#include <asm/debug.h>
+
+#include <asm/emma2rh/emma2rh.h>
+
+static struct resource pci_io_resource = {
+	.name = "pci IO space",
+	.start = EMMA2RH_PCI_IO_BASE,
+	.end = EMMA2RH_PCI_IO_BASE + EMMA2RH_PCI_IO_SIZE - 1,
+	.flags = IORESOURCE_IO,
+};
+
+static struct resource pci_mem_resource = {
+	.name = "pci memory space",
+	.start = EMMA2RH_PCI_MEM_BASE,
+	.end = EMMA2RH_PCI_MEM_BASE + EMMA2RH_PCI_MEM_SIZE - 1,
+	.flags = IORESOURCE_MEM,
+};
+
+extern struct pci_ops emma2rh_pci_ops;
+
+static struct pci_controller emma2rh_pci_controller = {
+	.pci_ops = &emma2rh_pci_ops,
+	.mem_resource = &pci_mem_resource,
+	.io_resource = &pci_io_resource,
+	.mem_offset = -0x04000000,
+	.io_offset = 0,
+};
+
+static void __init emma2rh_pci_init(void)
+{
+	/* setup PCI interface */
+	emma2rh_out32(EMMA2RH_PCI_ARBIT_CTR, 0x70f);
+
+	emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, 0x80000a18);
+	emma2rh_out32(EMMA2RH_PCI_CONFIG_BASE + PCI_COMMAND,
+		      PCI_STATUS_DEVSEL_MEDIUM | PCI_STATUS_CAP_LIST |
+		      PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
+	emma2rh_out32(EMMA2RH_PCI_CONFIG_BASE + PCI_BASE_ADDRESS_0, 0x10000000);
+	emma2rh_out32(EMMA2RH_PCI_CONFIG_BASE + PCI_BASE_ADDRESS_1, 0x00000000);
+
+	emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, 0x12000000 | 0x218);
+	emma2rh_out32(EMMA2RH_PCI_IWIN1_CTR, 0x18000000 | 0x600);
+	emma2rh_out32(EMMA2RH_PCI_INIT_ESWP, 0x00000200);
+
+	emma2rh_out32(EMMA2RH_PCI_TWIN_CTR, 0x00009200);
+	emma2rh_out32(EMMA2RH_PCI_TWIN_BADR, 0x00000000);
+	emma2rh_out32(EMMA2RH_PCI_TWIN0_DADR, 0x00000000);
+	emma2rh_out32(EMMA2RH_PCI_TWIN1_DADR, 0x00000000);
+}
+
+static int __init emma2rh_pci_setup(void)
+{
+	emma2rh_pci_init();
+	register_pci_controller(&emma2rh_pci_controller);
+	return 0;
+}
+
+arch_initcall(emma2rh_pci_setup);
diff --git a/arch/mips/pci/pci-excite.c b/arch/mips/pci/pci-excite.c
new file mode 100644
index 000000000000..3c86c77cb74f
--- /dev/null
+++ b/arch/mips/pci/pci-excite.c
@@ -0,0 +1,149 @@
+/*
+ *  Copyright (C) 2004 by Basler Vision Technologies AG
+ *  Author: Thomas Koeller <thomas.koeller@baslerweb.com>
+ *  Based on the PMC-Sierra Yosemite board support by Ralf Baechle.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/bitops.h>
+#include <asm/rm9k-ocd.h>
+#include <excite.h>
+
+
+extern struct pci_ops titan_pci_ops;
+
+
+static struct resource
+	mem_resource = 	{
+		.name	= "PCI memory",
+		.start	= EXCITE_PHYS_PCI_MEM,
+		.end	= EXCITE_PHYS_PCI_MEM + EXCITE_SIZE_PCI_MEM - 1,
+		.flags	= IORESOURCE_MEM
+	},
+	io_resource = {
+		.name	= "PCI I/O",
+		.start	= EXCITE_PHYS_PCI_IO,
+		.end	= EXCITE_PHYS_PCI_IO + EXCITE_SIZE_PCI_IO - 1,
+		.flags	= IORESOURCE_IO
+	};
+
+
+static struct pci_controller bx_controller = {
+	.pci_ops	= &titan_pci_ops,
+	.mem_resource	= &mem_resource,
+	.mem_offset	= 0x00000000UL,
+	.io_resource	= &io_resource,
+	.io_offset	= 0x00000000UL
+};
+
+
+static char
+	iopage_failed[] __initdata   = "Cannot allocate PCI I/O page",
+	modebits_no_pci[] __initdata = "PCI is not configured in mode bits";
+
+#define RM9000x2_OCD_HTSC	0x0604
+#define RM9000x2_OCD_HTBHL	0x060c
+#define RM9000x2_OCD_PCIHRST	0x078c
+
+#define RM9K_OCD_MODEBIT1	0x00d4 /* (MODEBIT1) Mode Bit 1 */
+#define RM9K_OCD_CPHDCR		0x00f4 /* CPU-PCI/HT Data Control. */
+
+#define PCISC_FB2B 		0x00000200
+#define PCISC_MWICG		0x00000010
+#define PCISC_EMC		0x00000004
+#define PCISC_ERMA		0x00000002
+
+
+
+static int __init basler_excite_pci_setup(void)
+{
+	const unsigned int fullbars = memsize / (256 << 20);
+	unsigned int i;
+
+	/* Check modebits to see if PCI is really enabled. */
+	if (!((ocd_readl(RM9K_OCD_MODEBIT1) >> (47-32)) & 0x1))
+		panic(modebits_no_pci);
+
+	if (NULL == request_mem_region(EXCITE_PHYS_PCI_IO, EXCITE_SIZE_PCI_IO,
+				       "Memory-mapped PCI I/O page"))
+		panic(iopage_failed);
+
+	/* Enable PCI 0 as master for config cycles */
+	ocd_writel(PCISC_EMC | PCISC_ERMA, RM9000x2_OCD_HTSC);
+
+
+	/* Set up latency timer */
+	ocd_writel(0x8008, RM9000x2_OCD_HTBHL);
+
+	/*  Setup host IO and Memory space */
+	ocd_writel((EXCITE_PHYS_PCI_IO >> 4) | 1, LKB7);
+	ocd_writel(((EXCITE_SIZE_PCI_IO >> 4) & 0x7fffff00) - 0x100, LKM7);
+	ocd_writel((EXCITE_PHYS_PCI_MEM >> 4) | 1, LKB8);
+	ocd_writel(((EXCITE_SIZE_PCI_MEM >> 4) & 0x7fffff00) - 0x100, LKM8);
+
+	/* Set up PCI BARs to map all installed memory */
+	for (i = 0; i < 6; i++) {
+		const unsigned int bar = 0x610 + i * 4;
+
+	     	if (i < fullbars) {
+			ocd_writel(0x10000000 * i, bar);
+			ocd_writel(0x01000000 * i, bar + 0x140);
+			ocd_writel(0x0ffff029, bar + 0x100);
+			continue;
+		}
+
+	     	if (i == fullbars) {
+			int o;
+			u32 mask;
+
+			const unsigned long rem = memsize - i * 0x10000000;
+			if (!rem) {
+				ocd_writel(0x00000000, bar + 0x100);
+				continue;
+			}
+
+			o = ffs(rem) - 1;
+			if (rem & ~(0x1 << o))
+				o++;
+			mask = ((0x1 << o) & 0x0ffff000) - 0x1000;
+			ocd_writel(0x10000000 * i, bar);
+			ocd_writel(0x01000000 * i, bar + 0x140);
+			ocd_writel(0x00000029 | mask, bar + 0x100);
+			continue;
+		}
+
+		ocd_writel(0x00000000, bar + 0x100);
+	}
+
+	/* Finally, enable the PCI interupt */
+#if USB_IRQ > 7
+	set_c0_intcontrol(1 << USB_IRQ);
+#else
+	set_c0_status(1 << (USB_IRQ + 8));
+#endif
+
+	ioport_resource.start = EXCITE_PHYS_PCI_IO;
+	ioport_resource.end = EXCITE_PHYS_PCI_IO + EXCITE_SIZE_PCI_IO - 1;
+	set_io_port_base((unsigned long) ioremap_nocache(EXCITE_PHYS_PCI_IO, EXCITE_SIZE_PCI_IO));
+	register_pci_controller(&bx_controller);
+	return 0;
+}
+
+
+arch_initcall(basler_excite_pci_setup);
diff --git a/arch/mips/pci/pci-ip27.c b/arch/mips/pci/pci-ip27.c
index 6002d2a6a262..80eb9af9ecdf 100644
--- a/arch/mips/pci/pci-ip27.c
+++ b/arch/mips/pci/pci-ip27.c
@@ -40,297 +40,7 @@ static struct bridge_controller bridges[MAX_PCI_BUSSES];
 struct bridge_controller *irq_to_bridge[MAX_PCI_BUSSES * MAX_DEVICES_PER_PCIBUS];
 int irq_to_slot[MAX_PCI_BUSSES * MAX_DEVICES_PER_PCIBUS];
 
-/*
- * The Bridge ASIC supports both type 0 and type 1 access.  Type 1 is
- * not really documented, so right now I can't write code which uses it.
- * Therefore we use type 0 accesses for now even though they won't work
- * correcly for PCI-to-PCI bridges.
- *
- * The function is complicated by the ultimate brokeness of the IOC3 chip
- * which is used in SGI systems.  The IOC3 can only handle 32-bit PCI
- * accesses and does only decode parts of it's address space.
- */
-
-static int pci_conf0_read_config(struct pci_bus *bus, unsigned int devfn,
-				 int where, int size, u32 * value)
-{
-	struct bridge_controller *bc = BRIDGE_CONTROLLER(bus);
-	bridge_t *bridge = bc->base;
-	int slot = PCI_SLOT(devfn);
-	int fn = PCI_FUNC(devfn);
-	volatile void *addr;
-	u32 cf, shift, mask;
-	int res;
-
-	addr = &bridge->b_type0_cfg_dev[slot].f[fn].c[PCI_VENDOR_ID];
-	if (get_dbe(cf, (u32 *) addr))
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	/*
-	 * IOC3 is fucked fucked beyond believe ...  Don't even give the
-	 * generic PCI code a chance to look at it for real ...
-	 */
-	if (cf == (PCI_VENDOR_ID_SGI | (PCI_DEVICE_ID_SGI_IOC3 << 16)))
-		goto oh_my_gawd;
-
-	addr = &bridge->b_type0_cfg_dev[slot].f[fn].c[where ^ (4 - size)];
-
-	if (size == 1)
-		res = get_dbe(*value, (u8 *) addr);
-	else if (size == 2)
-		res = get_dbe(*value, (u16 *) addr);
-	else
-		res = get_dbe(*value, (u32 *) addr);
-
-	return res ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL;
-
-oh_my_gawd:
-
-	/*
-	 * IOC3 is fucked fucked beyond believe ...  Don't even give the
-	 * generic PCI code a chance to look at the wrong register.
-	 */
-	if ((where >= 0x14 && where < 0x40) || (where >= 0x48)) {
-		*value = 0;
-		return PCIBIOS_SUCCESSFUL;
-	}
-
-	/*
-	 * IOC3 is fucked fucked beyond believe ...  Don't try to access
-	 * anything but 32-bit words ...
-	 */
-	addr = &bridge->b_type0_cfg_dev[slot].f[fn].l[where >> 2];
-
-	if (get_dbe(cf, (u32 *) addr))
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	shift = ((where & 3) << 3);
-	mask = (0xffffffffU >> ((4 - size) << 3));
-	*value = (cf >> shift) & mask;
-
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int pci_conf1_read_config(struct pci_bus *bus, unsigned int devfn,
-				 int where, int size, u32 * value)
-{
-	struct bridge_controller *bc = BRIDGE_CONTROLLER(bus);
-	bridge_t *bridge = bc->base;
-	int busno = bus->number;
-	int slot = PCI_SLOT(devfn);
-	int fn = PCI_FUNC(devfn);
-	volatile void *addr;
-	u32 cf, shift, mask;
-	int res;
-
-	bridge->b_pci_cfg = (busno << 16) | (slot << 11);
-	addr = &bridge->b_type1_cfg.c[(fn << 8) | PCI_VENDOR_ID];
-	if (get_dbe(cf, (u32 *) addr))
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	/*
-	 * IOC3 is fucked fucked beyond believe ...  Don't even give the
-	 * generic PCI code a chance to look at it for real ...
-	 */
-	if (cf == (PCI_VENDOR_ID_SGI | (PCI_DEVICE_ID_SGI_IOC3 << 16)))
-		goto oh_my_gawd;
-
-	bridge->b_pci_cfg = (busno << 16) | (slot << 11);
-	addr = &bridge->b_type1_cfg.c[(fn << 8) | (where ^ (4 - size))];
-
-	if (size == 1)
-		res = get_dbe(*value, (u8 *) addr);
-	else if (size == 2)
-		res = get_dbe(*value, (u16 *) addr);
-	else
-		res = get_dbe(*value, (u32 *) addr);
-
-	return res ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL;
-
-oh_my_gawd:
-
-	/*
-	 * IOC3 is fucked fucked beyond believe ...  Don't even give the
-	 * generic PCI code a chance to look at the wrong register.
-	 */
-	if ((where >= 0x14 && where < 0x40) || (where >= 0x48)) {
-		*value = 0;
-		return PCIBIOS_SUCCESSFUL;
-	}
-
-	/*
-	 * IOC3 is fucked fucked beyond believe ...  Don't try to access
-	 * anything but 32-bit words ...
-	 */
-	bridge->b_pci_cfg = (busno << 16) | (slot << 11);
-	addr = &bridge->b_type1_cfg.c[(fn << 8) | where];
-
-	if (get_dbe(cf, (u32 *) addr))
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	shift = ((where & 3) << 3);
-	mask = (0xffffffffU >> ((4 - size) << 3));
-	*value = (cf >> shift) & mask;
-
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int pci_read_config(struct pci_bus *bus, unsigned int devfn,
-			   int where, int size, u32 * value)
-{
-	if (bus->number > 0)
-		return pci_conf1_read_config(bus, devfn, where, size, value);
-
-	return pci_conf0_read_config(bus, devfn, where, size, value);
-}
-
-static int pci_conf0_write_config(struct pci_bus *bus, unsigned int devfn,
-				  int where, int size, u32 value)
-{
-	struct bridge_controller *bc = BRIDGE_CONTROLLER(bus);
-	bridge_t *bridge = bc->base;
-	int slot = PCI_SLOT(devfn);
-	int fn = PCI_FUNC(devfn);
-	volatile void *addr;
-	u32 cf, shift, mask, smask;
-	int res;
-
-	addr = &bridge->b_type0_cfg_dev[slot].f[fn].c[PCI_VENDOR_ID];
-	if (get_dbe(cf, (u32 *) addr))
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	/*
-	 * IOC3 is fucked fucked beyond believe ...  Don't even give the
-	 * generic PCI code a chance to look at it for real ...
-	 */
-	if (cf == (PCI_VENDOR_ID_SGI | (PCI_DEVICE_ID_SGI_IOC3 << 16)))
-		goto oh_my_gawd;
-
-	addr = &bridge->b_type0_cfg_dev[slot].f[fn].c[where ^ (4 - size)];
-
-	if (size == 1) {
-		res = put_dbe(value, (u8 *) addr);
-	} else if (size == 2) {
-		res = put_dbe(value, (u16 *) addr);
-	} else {
-		res = put_dbe(value, (u32 *) addr);
-	}
-
-	if (res)
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	return PCIBIOS_SUCCESSFUL;
-
-oh_my_gawd:
-
-	/*
-	 * IOC3 is fucked fucked beyond believe ...  Don't even give the
-	 * generic PCI code a chance to touch the wrong register.
-	 */
-	if ((where >= 0x14 && where < 0x40) || (where >= 0x48))
-		return PCIBIOS_SUCCESSFUL;
-
-	/*
-	 * IOC3 is fucked fucked beyond believe ...  Don't try to access
-	 * anything but 32-bit words ...
-	 */
-	addr = &bridge->b_type0_cfg_dev[slot].f[fn].l[where >> 2];
-
-	if (get_dbe(cf, (u32 *) addr))
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	shift = ((where & 3) << 3);
-	mask = (0xffffffffU >> ((4 - size) << 3));
-	smask = mask << shift;
-
-	cf = (cf & ~smask) | ((value & mask) << shift);
-	if (put_dbe(cf, (u32 *) addr))
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int pci_conf1_write_config(struct pci_bus *bus, unsigned int devfn,
-				  int where, int size, u32 value)
-{
-	struct bridge_controller *bc = BRIDGE_CONTROLLER(bus);
-	bridge_t *bridge = bc->base;
-	int slot = PCI_SLOT(devfn);
-	int fn = PCI_FUNC(devfn);
-	int busno = bus->number;
-	volatile void *addr;
-	u32 cf, shift, mask, smask;
-	int res;
-
-	bridge->b_pci_cfg = (busno << 16) | (slot << 11);
-	addr = &bridge->b_type1_cfg.c[(fn << 8) | PCI_VENDOR_ID];
-	if (get_dbe(cf, (u32 *) addr))
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	/*
-	 * IOC3 is fucked fucked beyond believe ...  Don't even give the
-	 * generic PCI code a chance to look at it for real ...
-	 */
-	if (cf == (PCI_VENDOR_ID_SGI | (PCI_DEVICE_ID_SGI_IOC3 << 16)))
-		goto oh_my_gawd;
-
-	addr = &bridge->b_type1_cfg.c[(fn << 8) | (where ^ (4 - size))];
-
-	if (size == 1) {
-		res = put_dbe(value, (u8 *) addr);
-	} else if (size == 2) {
-		res = put_dbe(value, (u16 *) addr);
-	} else {
-		res = put_dbe(value, (u32 *) addr);
-	}
-
-	if (res)
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	return PCIBIOS_SUCCESSFUL;
-
-oh_my_gawd:
-
-	/*
-	 * IOC3 is fucked fucked beyond believe ...  Don't even give the
-	 * generic PCI code a chance to touch the wrong register.
-	 */
-	if ((where >= 0x14 && where < 0x40) || (where >= 0x48))
-		return PCIBIOS_SUCCESSFUL;
-
-	/*
-	 * IOC3 is fucked fucked beyond believe ...  Don't try to access
-	 * anything but 32-bit words ...
-	 */
-	addr = &bridge->b_type0_cfg_dev[slot].f[fn].l[where >> 2];
-
-	if (get_dbe(cf, (u32 *) addr))
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	shift = ((where & 3) << 3);
-	mask = (0xffffffffU >> ((4 - size) << 3));
-	smask = mask << shift;
-
-	cf = (cf & ~smask) | ((value & mask) << shift);
-	if (put_dbe(cf, (u32 *) addr))
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int pci_write_config(struct pci_bus *bus, unsigned int devfn,
-	int where, int size, u32 value)
-{
-	if (bus->number > 0)
-		return pci_conf1_write_config(bus, devfn, where, size, value);
-
-	return pci_conf0_write_config(bus, devfn, where, size, value);
-}
-
-static struct pci_ops bridge_pci_ops = {
-	.read = pci_read_config,
-	.write = pci_write_config,
-};
+extern struct pci_ops bridge_pci_ops;
 
 int __init bridge_probe(nasid_t nasid, int widget_id, int masterwid)
 {
@@ -370,8 +80,7 @@ int __init bridge_probe(nasid_t nasid, int widget_id, int masterwid)
 	bc->widget_id = widget_id;
 	bc->nasid = nasid;
 
-	bc->baddr = (u64)masterwid << 60;
-	bc->baddr |= (1UL << 56);	/* Barrier set */
+	bc->baddr = (u64)masterwid << 60 | PCI64_ATTR_BAR;
 
 	/*
 	 * point to this bridge
diff --git a/arch/mips/pci/pci-jmr3927.c b/arch/mips/pci/pci-jmr3927.c
index f02ef6e36b02..cb84f4e8ccae 100644
--- a/arch/mips/pci/pci-jmr3927.c
+++ b/arch/mips/pci/pci-jmr3927.c
@@ -35,17 +35,17 @@
 #include <asm/debug.h>
 
 struct resource pci_io_resource = {
-	"IO MEM",
-	0x1000,			/* reserve regacy I/O space */
-	0x1000 + JMR3927_PCIIO_SIZE - 1,
-	IORESOURCE_IO
+	.name	= "IO MEM",
+	.start	= 0x1000,			/* reserve regacy I/O space */
+	.end	= 0x1000 + JMR3927_PCIIO_SIZE - 1,
+	.flags	= IORESOURCE_IO
 };
 
 struct resource pci_mem_resource = {
-	"PCI MEM",
-	JMR3927_PCIMEM,
-	JMR3927_PCIMEM + JMR3927_PCIMEM_SIZE - 1,
-	IORESOURCE_MEM
+	.name	= "PCI MEM",
+	.start	= JMR3927_PCIMEM,
+	.end	= JMR3927_PCIMEM + JMR3927_PCIMEM_SIZE - 1,
+	.flags	= IORESOURCE_MEM
 };
 
 extern struct pci_ops jmr3927_pci_ops;
diff --git a/arch/mips/pci/pci-ocelot.c b/arch/mips/pci/pci-ocelot.c
index 3da8a4ee6baa..2b9495dce6ba 100644
--- a/arch/mips/pci/pci-ocelot.c
+++ b/arch/mips/pci/pci-ocelot.c
@@ -71,13 +71,13 @@ static inline void pci0WriteConfigReg(unsigned int offset, unsigned int data)
 }
 
 static struct resource ocelot_mem_resource = {
-	iomem_resource.start = GT_PCI_MEM_BASE;
-	iomem_resource.end = GT_PCI_MEM_BASE + GT_PCI_MEM_BASE - 1;
+	start	= GT_PCI_MEM_BASE;
+	end	= GT_PCI_MEM_BASE + GT_PCI_MEM_BASE - 1;
 };
 
 static struct resource ocelot_io_resource = {
-	ioport_resource.start = GT_PCI_IO_BASE;
-	ioport_resource.end = GT_PCI_IO_BASE + GT_PCI_IO_SIZE - 1;
+	start	= GT_PCI_IO_BASE;
+	end	= GT_PCI_IO_BASE + GT_PCI_IO_SIZE - 1;
 };
 
 static struct pci_controller ocelot_pci_controller = {
diff --git a/arch/mips/pci/pci-yosemite.c b/arch/mips/pci/pci-yosemite.c
index dac9ed4b0ccf..0357946f30e6 100644
--- a/arch/mips/pci/pci-yosemite.c
+++ b/arch/mips/pci/pci-yosemite.c
@@ -14,7 +14,10 @@
 extern struct pci_ops titan_pci_ops;
 
 static struct resource py_mem_resource = {
-	"Titan PCI MEM", 0xe0000000UL, 0xe3ffffffUL, IORESOURCE_MEM
+	.start	= 0xe0000000UL,
+	.end	= 0xe3ffffffUL,
+	.name	= "Titan PCI MEM",
+	.flags	= IORESOURCE_MEM
 };
 
 /*
@@ -26,7 +29,10 @@ static struct resource py_mem_resource = {
 #define TITAN_IO_BASE	0xe8000000UL
 
 static struct resource py_io_resource = {
-	"Titan IO MEM", 0x00001000UL, TITAN_IO_SIZE - 1, IORESOURCE_IO,
+	.start	= 0x00001000UL,
+	.end	= TITAN_IO_SIZE - 1,
+	.name	= "Titan IO MEM",
+	.flags	= IORESOURCE_IO,
 };
 
 static struct pci_controller py_controller = {
diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index 21402ffd7c98..4dfce154d4af 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -76,11 +76,6 @@ pcibios_align_resource(void *data, struct resource *res,
 	res->start = start;
 }
 
-struct pci_controller * __init alloc_pci_controller(void)
-{
-	return alloc_bootmem(sizeof(struct pci_controller));
-}
-
 void __init register_pci_controller(struct pci_controller *hose)
 {
 	*hose_tail = hose;