Merge branch 'linus' into perfcounters/core

Conflicts:
	arch/x86/include/asm/kmap_types.h
	include/linux/mm.h

	include/asm-generic/kmap_types.h

Merge reason: We crossed changes with kmap_types.h cleanups in mainline.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

55 files changed, 466 insertions, 494 deletions

diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig
index f39c953d535..a6e43cb6f82 100644
--- a/arch/powerpc/platforms/40x/Kconfig
+++ b/arch/powerpc/platforms/40x/Kconfig
@@ -45,6 +45,7 @@ config KILAUEA
 	depends on 40x
 	default n
 	select 405EX
+	select PPC40x_SIMPLE
 	select PPC4xx_PCI_EXPRESS
 	help
 	  This option enables support for the AMCC PPC405EX evaluation board.
@@ -56,6 +57,7 @@ config MAKALU
 	select 405EX
 	select PCI
 	select PPC4xx_PCI_EXPRESS
+	select PPC40x_SIMPLE
 	help
 	  This option enables support for the AMCC PPC405EX board.
 
diff --git a/arch/powerpc/platforms/40x/Makefile b/arch/powerpc/platforms/40x/Makefile
index 9bab76a652a..56e89004c46 100644
--- a/arch/powerpc/platforms/40x/Makefile
+++ b/arch/powerpc/platforms/40x/Makefile
@@ -1,6 +1,4 @@
-obj-$(CONFIG_KILAUEA)				+= kilauea.o
 obj-$(CONFIG_HCU4)				+= hcu4.o
-obj-$(CONFIG_MAKALU)				+= makalu.o
 obj-$(CONFIG_WALNUT)				+= walnut.o
 obj-$(CONFIG_XILINX_VIRTEX_GENERIC_BOARD)	+= virtex.o
 obj-$(CONFIG_EP405)				+= ep405.o
diff --git a/arch/powerpc/platforms/40x/kilauea.c b/arch/powerpc/platforms/40x/kilauea.c
deleted file mode 100644
index fd7d934dac8..00000000000
--- a/arch/powerpc/platforms/40x/kilauea.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Kilauea board specific routines
- *
- * Copyright 2007-2008 DENX Software Engineering, Stefan Roese <sr@denx.de>
- *
- * Based on the Walnut code by
- * Josh Boyer <jwboyer@linux.vnet.ibm.com>
- * Copyright 2007 IBM Corporation
- *
- * 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/init.h>
-#include <linux/of_platform.h>
-#include <asm/machdep.h>
-#include <asm/prom.h>
-#include <asm/udbg.h>
-#include <asm/time.h>
-#include <asm/uic.h>
-#include <asm/pci-bridge.h>
-#include <asm/ppc4xx.h>
-
-static __initdata struct of_device_id kilauea_of_bus[] = {
-	{ .compatible = "ibm,plb4", },
-	{ .compatible = "ibm,opb", },
-	{ .compatible = "ibm,ebc", },
-	{},
-};
-
-static int __init kilauea_device_probe(void)
-{
-	of_platform_bus_probe(NULL, kilauea_of_bus, NULL);
-
-	return 0;
-}
-machine_device_initcall(kilauea, kilauea_device_probe);
-
-static int __init kilauea_probe(void)
-{
-	unsigned long root = of_get_flat_dt_root();
-
-	if (!of_flat_dt_is_compatible(root, "amcc,kilauea"))
-		return 0;
-
-	ppc_pci_set_flags(PPC_PCI_REASSIGN_ALL_RSRC);
-
-	return 1;
-}
-
-define_machine(kilauea) {
-	.name 				= "Kilauea",
-	.probe 				= kilauea_probe,
-	.progress 			= udbg_progress,
-	.init_IRQ 			= uic_init_tree,
-	.get_irq 			= uic_get_irq,
-	.restart			= ppc4xx_reset_system,
-	.calibrate_decr			= generic_calibrate_decr,
-};
diff --git a/arch/powerpc/platforms/40x/makalu.c b/arch/powerpc/platforms/40x/makalu.c
deleted file mode 100644
index a6a1d6017b7..00000000000
--- a/arch/powerpc/platforms/40x/makalu.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Makalu board specific routines
- *
- * Copyright 2007 DENX Software Engineering, Stefan Roese <sr@denx.de>
- *
- * Based on the Walnut code by
- * Josh Boyer <jwboyer@linux.vnet.ibm.com>
- * Copyright 2007 IBM Corporation
- *
- * 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/init.h>
-#include <linux/of_platform.h>
-#include <asm/machdep.h>
-#include <asm/prom.h>
-#include <asm/udbg.h>
-#include <asm/time.h>
-#include <asm/uic.h>
-#include <asm/pci-bridge.h>
-#include <asm/ppc4xx.h>
-
-static __initdata struct of_device_id makalu_of_bus[] = {
-	{ .compatible = "ibm,plb4", },
-	{ .compatible = "ibm,opb", },
-	{ .compatible = "ibm,ebc", },
-	{},
-};
-
-static int __init makalu_device_probe(void)
-{
-	of_platform_bus_probe(NULL, makalu_of_bus, NULL);
-
-	return 0;
-}
-machine_device_initcall(makalu, makalu_device_probe);
-
-static int __init makalu_probe(void)
-{
-	unsigned long root = of_get_flat_dt_root();
-
-	if (!of_flat_dt_is_compatible(root, "amcc,makalu"))
-		return 0;
-
-	ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
-
-	return 1;
-}
-
-define_machine(makalu) {
-	.name 				= "Makalu",
-	.probe 				= makalu_probe,
-	.progress 			= udbg_progress,
-	.init_IRQ 			= uic_init_tree,
-	.get_irq 			= uic_get_irq,
-	.restart			= ppc4xx_reset_system,
-	.calibrate_decr			= generic_calibrate_decr,
-};
diff --git a/arch/powerpc/platforms/40x/ppc40x_simple.c b/arch/powerpc/platforms/40x/ppc40x_simple.c
index f40ac9b8f99..5fd5a597400 100644
--- a/arch/powerpc/platforms/40x/ppc40x_simple.c
+++ b/arch/powerpc/platforms/40x/ppc40x_simple.c
@@ -51,7 +51,10 @@ machine_device_initcall(ppc40x_simple, ppc40x_device_probe);
  * board.c file for it rather than adding it to this list.
  */
 static char *board[] __initdata = {
-	"amcc,acadia"
+	"amcc,acadia",
+	"amcc,haleakala",
+	"amcc,kilauea",
+	"amcc,makalu"
 };
 
 static int __init ppc40x_probe(void)
diff --git a/arch/powerpc/platforms/40x/virtex.c b/arch/powerpc/platforms/40x/virtex.c
index fc7fb001276..d0fc6866b00 100644
--- a/arch/powerpc/platforms/40x/virtex.c
+++ b/arch/powerpc/platforms/40x/virtex.c
@@ -14,6 +14,7 @@
 #include <asm/prom.h>
 #include <asm/time.h>
 #include <asm/xilinx_intc.h>
+#include <asm/xilinx_pci.h>
 #include <asm/ppc4xx.h>
 
 static struct of_device_id xilinx_of_bus_ids[] __initdata = {
@@ -47,6 +48,7 @@ static int __init virtex_probe(void)
 define_machine(virtex) {
 	.name			= "Xilinx Virtex",
 	.probe			= virtex_probe,
+	.setup_arch		= xilinx_pci_init,
 	.init_IRQ		= xilinx_intc_init_tree,
 	.get_irq		= xilinx_intc_get_irq,
 	.restart		= ppc4xx_reset_system,
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 0d83a6a0397..90e3192611a 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -156,7 +156,7 @@ config YOSEMITE
 #	  This option enables support for the IBM PPC440GX evaluation board.
 
 config XILINX_VIRTEX440_GENERIC_BOARD
-	bool "Generic Xilinx Virtex 440 board"
+	bool "Generic Xilinx Virtex 5 FXT board support"
 	depends on 44x
 	default n
 	select XILINX_VIRTEX_5_FXT
@@ -171,6 +171,17 @@ config XILINX_VIRTEX440_GENERIC_BOARD
 	  Most Virtex 5 designs should use this unless it needs to do some
 	  special configuration at board probe time.
 
+config XILINX_ML510
+	bool "Xilinx ML510 extra support"
+	depends on XILINX_VIRTEX440_GENERIC_BOARD
+	select PPC_PCI_CHOICE
+	select XILINX_PCI if PCI
+	select PPC_INDIRECT_PCI if PCI
+	select PPC_I8259 if PCI
+	help
+	  This option enables extra support for features on the Xilinx ML510
+	  board.  The ML510 has a PCI bus with ALI south bridge.
+
 config PPC44x_SIMPLE
 	bool "Simple PowerPC 44x board support"
 	depends on 44x
diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile
index 01f51daace1..ee6185aeaa3 100644
--- a/arch/powerpc/platforms/44x/Makefile
+++ b/arch/powerpc/platforms/44x/Makefile
@@ -4,3 +4,4 @@ obj-$(CONFIG_EBONY)	+= ebony.o
 obj-$(CONFIG_SAM440EP) 	+= sam440ep.o
 obj-$(CONFIG_WARP)	+= warp.o
 obj-$(CONFIG_XILINX_VIRTEX_5_FXT) += virtex.o
+obj-$(CONFIG_XILINX_ML510) += virtex_ml510.o
diff --git a/arch/powerpc/platforms/44x/virtex.c b/arch/powerpc/platforms/44x/virtex.c
index 68637faf70a..cf96ccaa760 100644
--- a/arch/powerpc/platforms/44x/virtex.c
+++ b/arch/powerpc/platforms/44x/virtex.c
@@ -16,6 +16,7 @@
 #include <asm/prom.h>
 #include <asm/time.h>
 #include <asm/xilinx_intc.h>
+#include <asm/xilinx_pci.h>
 #include <asm/reg.h>
 #include <asm/ppc4xx.h>
 #include "44x.h"
@@ -53,6 +54,7 @@ static int __init virtex_probe(void)
 define_machine(virtex) {
 	.name			= "Xilinx Virtex440",
 	.probe			= virtex_probe,
+	.setup_arch		= xilinx_pci_init,
 	.init_IRQ		= xilinx_intc_init_tree,
 	.get_irq		= xilinx_intc_get_irq,
 	.calibrate_decr		= generic_calibrate_decr,
diff --git a/arch/powerpc/platforms/44x/virtex_ml510.c b/arch/powerpc/platforms/44x/virtex_ml510.c
new file mode 100644
index 00000000000..ba4a6e388a4
--- /dev/null
+++ b/arch/powerpc/platforms/44x/virtex_ml510.c
@@ -0,0 +1,29 @@
+#include <asm/i8259.h>
+#include <linux/pci.h>
+#include "44x.h"
+
+/**
+ * ml510_ail_quirk
+ */
+static void __devinit ml510_ali_quirk(struct pci_dev *dev)
+{
+	/* Enable the IDE controller */
+	pci_write_config_byte(dev, 0x58, 0x4c);
+	/* Assign irq 14 to the primary ide channel */
+	pci_write_config_byte(dev, 0x44, 0x0d);
+	/* Assign irq 15 to the secondary ide channel */
+	pci_write_config_byte(dev, 0x75, 0x0f);
+	/* Set the ide controller in native mode */
+	pci_write_config_byte(dev, 0x09, 0xff);
+
+	/* INTB = disabled, INTA = disabled */
+	pci_write_config_byte(dev, 0x48, 0x00);
+	/* INTD = disabled, INTC = disabled */
+	pci_write_config_byte(dev, 0x4a, 0x00);
+	/* Audio = INT7, Modem = disabled. */
+	pci_write_config_byte(dev, 0x4b, 0x60);
+	/* USB = INT7 */
+	pci_write_config_byte(dev, 0x74, 0x06);
+}
+DECLARE_PCI_FIXUP_EARLY(0x10b9, 0x1533, ml510_ali_quirk);
+
diff --git a/arch/powerpc/platforms/44x/warp.c b/arch/powerpc/platforms/44x/warp.c
index 960edf89be5..c5118802a28 100644
--- a/arch/powerpc/platforms/44x/warp.c
+++ b/arch/powerpc/platforms/44x/warp.c
@@ -1,7 +1,7 @@
 /*
  * PIKA Warp(tm) board specific routines
  *
- * Copyright (c) 2008 PIKA Technologies
+ * Copyright (c) 2008-2009 PIKA Technologies
  *   Sean MacLennan <smaclennan@pikatech.com>
  *
  * This program is free software; you can redistribute  it and/or modify it
@@ -15,6 +15,7 @@
 #include <linux/i2c.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
+#include <linux/of_gpio.h>
 
 #include <asm/machdep.h>
 #include <asm/prom.h>
@@ -23,6 +24,7 @@
 #include <asm/uic.h>
 #include <asm/ppc4xx.h>
 
+
 static __initdata struct of_device_id warp_of_bus[] = {
 	{ .compatible = "ibm,plb4", },
 	{ .compatible = "ibm,opb", },
@@ -55,6 +57,8 @@ define_machine(warp) {
 };
 
 
+static u32 post_info;
+
 /* I am not sure this is the best place for this... */
 static int __init warp_post_info(void)
 {
@@ -77,21 +81,21 @@ static int __init warp_post_info(void)
 
 	iounmap(fpga);
 
-	if (post1 || post2)
+	if (post1 || post2) {
 		printk(KERN_INFO "Warp POST %08x %08x\n", post1, post2);
-	else
+		post_info = 1;
+	} else
 		printk(KERN_INFO "Warp POST OK\n");
 
 	return 0;
 }
-machine_late_initcall(warp, warp_post_info);
 
 
 #ifdef CONFIG_SENSORS_AD7414
 
 static LIST_HEAD(dtm_shutdown_list);
 static void __iomem *dtm_fpga;
-static void __iomem *gpio_base;
+static unsigned green_led, red_led;
 
 
 struct dtm_shutdown {
@@ -134,14 +138,17 @@ int pika_dtm_unregister_shutdown(void (*func)(void *arg), void *arg)
 static irqreturn_t temp_isr(int irq, void *context)
 {
 	struct dtm_shutdown *shutdown;
+	int value = 1;
 
 	local_irq_disable();
 
+	gpio_set_value(green_led, 0);
+
 	/* Run through the shutdown list. */
 	list_for_each_entry(shutdown, &dtm_shutdown_list, list)
 		shutdown->func(shutdown->arg);
 
-	printk(KERN_EMERG "\n\nCritical Temperature Shutdown\n");
+	printk(KERN_EMERG "\n\nCritical Temperature Shutdown\n\n");
 
 	while (1) {
 		if (dtm_fpga) {
@@ -149,52 +156,34 @@ static irqreturn_t temp_isr(int irq, void *context)
 			out_be32(dtm_fpga + 0x14, reset);
 		}
 
-		if (gpio_base) {
-			unsigned leds = in_be32(gpio_base);
-
-			/* green off, red toggle */
-			leds &= ~0x80000000;
-			leds ^=  0x40000000;
-
-			out_be32(gpio_base, leds);
-		}
-
+		gpio_set_value(red_led, value);
+		value ^= 1;
 		mdelay(500);
 	}
 }
 
 static int pika_setup_leds(void)
 {
-	struct device_node *np;
-	const u32 *gpios;
-	int len;
+	struct device_node *np, *child;
 
-	np = of_find_compatible_node(NULL, NULL, "linux,gpio-led");
+	np = of_find_compatible_node(NULL, NULL, "gpio-leds");
 	if (!np) {
-		printk(KERN_ERR __FILE__ ": Unable to find gpio-led\n");
-		return -ENOENT;
-	}
-
-	gpios = of_get_property(np, "gpios", &len);
-	of_node_put(np);
-	if (!gpios || len < 4) {
-		printk(KERN_ERR __FILE__
-		       ": Unable to get gpios property (%d)\n", len);
+		printk(KERN_ERR __FILE__ ": Unable to find leds\n");
 		return -ENOENT;
 	}
 
-	np = of_find_node_by_phandle(gpios[0]);
-	if (!np) {
-		printk(KERN_ERR __FILE__ ": Unable to find gpio\n");
-		return -ENOENT;
-	}
+	for_each_child_of_node(np, child)
+		if (strcmp(child->name, "green") == 0) {
+			green_led = of_get_gpio(child, 0);
+			/* Turn back on the green LED */
+			gpio_set_value(green_led, 1);
+		} else if (strcmp(child->name, "red") == 0) {
+			red_led = of_get_gpio(child, 0);
+			/* Set based on post */
+			gpio_set_value(red_led, post_info);
+		}
 
-	gpio_base = of_iomap(np, 0);
 	of_node_put(np);
-	if (!gpio_base) {
-		printk(KERN_ERR __FILE__ ": Unable to map gpio");
-		return -ENOMEM;
-	}
 
 	return 0;
 }
@@ -270,10 +259,10 @@ static int pika_dtm_thread(void __iomem *fpga)
 	}
 
 found_it:
-	i2c_put_adapter(adap);
-
 	pika_setup_critical_temp(client);
 
+	i2c_put_adapter(adap);
+
 	printk(KERN_INFO "PIKA DTM thread running.\n");
 
 	while (!kthread_should_stop()) {
@@ -311,6 +300,9 @@ static int __init pika_dtm_start(void)
 	if (dtm_fpga == NULL)
 		return -ENOENT;
 
+	/* Must get post info before thread starts. */
+	warp_post_info();
+
 	dtm_thread = kthread_run(pika_dtm_thread, dtm_fpga, "pika-dtm");
 	if (IS_ERR(dtm_thread)) {
 		iounmap(dtm_fpga);
@@ -333,6 +325,8 @@ int pika_dtm_unregister_shutdown(void (*func)(void *arg), void *arg)
 	return 0;
 }
 
+machine_late_initcall(warp, warp_post_info);
+
 #endif
 
 EXPORT_SYMBOL(pika_dtm_register_shutdown);
diff --git a/arch/powerpc/platforms/52xx/efika.c b/arch/powerpc/platforms/52xx/efika.c
index a2068faef6e..bcc69e1f77c 100644
--- a/arch/powerpc/platforms/52xx/efika.c
+++ b/arch/powerpc/platforms/52xx/efika.c
@@ -34,7 +34,7 @@
 static int rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
 			    int len, u32 * val)
 {
-	struct pci_controller *hose = bus->sysdata;
+	struct pci_controller *hose = pci_bus_to_host(bus);
 	unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8)
 	    | (((bus->number - hose->first_busno) & 0xff) << 16)
 	    | (hose->global_number << 24);
@@ -49,7 +49,7 @@ static int rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
 static int rtas_write_config(struct pci_bus *bus, unsigned int devfn,
 			     int offset, int len, u32 val)
 {
-	struct pci_controller *hose = bus->sysdata;
+	struct pci_controller *hose = pci_bus_to_host(bus);
 	unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8)
 	    | (((bus->number - hose->first_busno) & 0xff) << 16)
 	    | (hose->global_number << 24);
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pci.c b/arch/powerpc/platforms/52xx/mpc52xx_pci.c
index 87ff522f28b..dd43114e968 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pci.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pci.c
@@ -107,7 +107,7 @@ static int
 mpc52xx_pci_read_config(struct pci_bus *bus, unsigned int devfn,
 				int offset, int len, u32 *val)
 {
-	struct pci_controller *hose = bus->sysdata;
+	struct pci_controller *hose = pci_bus_to_host(bus);
 	u32 value;
 
 	if (ppc_md.pci_exclude_device)
@@ -164,7 +164,7 @@ static int
 mpc52xx_pci_write_config(struct pci_bus *bus, unsigned int devfn,
 				int offset, int len, u32 val)
 {
-	struct pci_controller *hose = bus->sysdata;
+	struct pci_controller *hose = pci_bus_to_host(bus);
 	u32 value, mask;
 
 	if (ppc_md.pci_exclude_device)
diff --git a/arch/powerpc/platforms/82xx/ep8248e.c b/arch/powerpc/platforms/82xx/ep8248e.c
index 0eb6d7f6224..51fcae41f08 100644
--- a/arch/powerpc/platforms/82xx/ep8248e.c
+++ b/arch/powerpc/platforms/82xx/ep8248e.c
@@ -14,6 +14,7 @@
 #include <linux/interrupt.h>
 #include <linux/fsl_devices.h>
 #include <linux/mdio-bitbang.h>
+#include <linux/of_mdio.h>
 #include <linux/of_platform.h>
 
 #include <asm/io.h>
@@ -115,7 +116,7 @@ static int __devinit ep8248e_mdio_probe(struct of_device *ofdev,
 	struct mii_bus *bus;
 	struct resource res;
 	struct device_node *node;
-	int ret, i;
+	int ret;
 
 	node = of_get_parent(ofdev->node);
 	of_node_put(node);
@@ -130,17 +131,13 @@ static int __devinit ep8248e_mdio_probe(struct of_device *ofdev,
 	if (!bus)
 		return -ENOMEM;
 
-	bus->phy_mask = 0;
 	bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
 
-	for (i = 0; i < PHY_MAX_ADDR; i++)
-		bus->irq[i] = -1;
-
 	bus->name = "ep8248e-mdio-bitbang";
 	bus->parent = &ofdev->dev;
 	snprintf(bus->id, MII_BUS_ID_SIZE, "%x", res.start);
 
-	return mdiobus_register(bus);
+	return of_mdiobus_register(bus, ofdev->node);
 }
 
 static int ep8248e_mdio_remove(struct of_device *ofdev)
diff --git a/arch/powerpc/platforms/82xx/pq2ads.h b/arch/powerpc/platforms/82xx/pq2ads.h
index 984db42cc8e..6cf0f97486e 100644
--- a/arch/powerpc/platforms/82xx/pq2ads.h
+++ b/arch/powerpc/platforms/82xx/pq2ads.h
@@ -24,10 +24,6 @@
 
 #include <linux/seq_file.h>
 
-/* Backword-compatibility stuff for the drivers */
-#define CPM_MAP_ADDR		((uint)0xf0000000)
-#define CPM_IRQ_OFFSET 0
-
 /* The ADS8260 has 16, 32-bit wide control/status registers, accessed
  * only on word boundaries.
  * Not all are used (yet), or are interesting to us (yet).
@@ -44,14 +40,5 @@
 #define BCSR3_FETHIEN2		((uint)0x10000000)      /* 0 == enable*/
 #define BCSR3_FETH2_RST		((uint)0x80000000)      /* 0 == reset */
 
-/* cpm serial driver works with constants below */
-
-#define SIU_INT_SMC1		((uint)0x04+CPM_IRQ_OFFSET)
-#define SIU_INT_SMC2		((uint)0x05+CPM_IRQ_OFFSET)
-#define SIU_INT_SCC1		((uint)0x28+CPM_IRQ_OFFSET)
-#define SIU_INT_SCC2		((uint)0x29+CPM_IRQ_OFFSET)
-#define SIU_INT_SCC3		((uint)0x2a+CPM_IRQ_OFFSET)
-#define SIU_INT_SCC4		((uint)0x2b+CPM_IRQ_OFFSET)
-
 #endif /* __MACH_ADS8260_DEFS */
 #endif /* __KERNEL__ */
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 7f066adc068..43d385cedcd 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -34,6 +34,7 @@ config MPC85xx_MDS
 	bool "Freescale MPC85xx MDS"
 	select DEFAULT_UIMAGE
 	select PHYLIB
+	select HAS_RAPIDIO
 	help
 	  This option enables support for the MPC85xx MDS board
 
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
index de66de7a9ca..53d5851a6c9 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
@@ -163,7 +163,8 @@ static void __init mpc85xx_ds_setup_arch(void)
 #ifdef CONFIG_PCI
 	for_each_node_by_type(np, "pci") {
 		if (of_device_is_compatible(np, "fsl,mpc8540-pci") ||
-		    of_device_is_compatible(np, "fsl,mpc8548-pcie")) {
+		    of_device_is_compatible(np, "fsl,mpc8548-pcie") ||
+		    of_device_is_compatible(np, "fsl,p2020-pcie")) {
 			struct resource rsrc;
 			of_address_to_resource(np, 0, &rsrc);
 			if ((rsrc.start & 0xfffff) == primary_phb_addr)
@@ -195,9 +196,9 @@ static int __init mpc8544_ds_probe(void)
 		primary_phb_addr = 0xb000;
 #endif
 		return 1;
-	} else {
-		return 0;
 	}
+
+	return 0;
 }
 
 static struct of_device_id __initdata mpc85xxds_ids[] = {
@@ -214,6 +215,7 @@ static int __init mpc85xxds_publish_devices(void)
 }
 machine_device_initcall(mpc8544_ds, mpc85xxds_publish_devices);
 machine_device_initcall(mpc8572_ds, mpc85xxds_publish_devices);
+machine_device_initcall(p2020_ds, mpc85xxds_publish_devices);
 
 /*
  * Called very early, device-tree isn't unflattened
@@ -227,9 +229,26 @@ static int __init mpc8572_ds_probe(void)
 		primary_phb_addr = 0x8000;
 #endif
 		return 1;
-	} else {
-		return 0;
 	}
+
+	return 0;
+}
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init p2020_ds_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	if (of_flat_dt_is_compatible(root, "fsl,P2020DS")) {
+#ifdef CONFIG_PCI
+		primary_phb_addr = 0x9000;
+#endif
+		return 1;
+	}
+
+	return 0;
 }
 
 define_machine(mpc8544_ds) {
@@ -259,3 +278,17 @@ define_machine(mpc8572_ds) {
 	.calibrate_decr		= generic_calibrate_decr,
 	.progress		= udbg_progress,
 };
+
+define_machine(p2020_ds) {
+	.name			= "P2020 DS",
+	.probe			= p2020_ds_probe,
+	.setup_arch		= mpc85xx_ds_setup_arch,
+	.init_IRQ		= mpc85xx_ds_pic_init,
+#ifdef CONFIG_PCI
+	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
+#endif
+	.get_irq		= mpic_get_irq,
+	.restart		= fsl_rstcr_restart,
+	.calibrate_decr		= generic_calibrate_decr,
+	.progress		= udbg_progress,
+};
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index 7dd029034ae..b2c0a431997 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -206,23 +206,24 @@ static void __init mpc85xx_mds_setup_arch(void)
 	}
 
 	if (bcsr_regs) {
+		if (machine_is(mpc8568_mds)) {
 #define BCSR_UCC1_GETH_EN	(0x1 << 7)
 #define BCSR_UCC2_GETH_EN	(0x1 << 7)
 #define BCSR_UCC1_MODE_MSK	(0x3 << 4)
 #define BCSR_UCC2_MODE_MSK	(0x3 << 0)
 
-		/* Turn off UCC1 & UCC2 */
-		clrbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
-		clrbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
+			/* Turn off UCC1 & UCC2 */
+			clrbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
+			clrbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
 
-		/* Mode is RGMII, all bits clear */
-		clrbits8(&bcsr_regs[11], BCSR_UCC1_MODE_MSK |
-					 BCSR_UCC2_MODE_MSK);
-
-		/* Turn UCC1 & UCC2 on */
-		setbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
-		setbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
+			/* Mode is RGMII, all bits clear */
+			clrbits8(&bcsr_regs[11], BCSR_UCC1_MODE_MSK |
+						 BCSR_UCC2_MODE_MSK);
 
+			/* Turn UCC1 & UCC2 on */
+			setbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
+			setbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
+		}
 		iounmap(bcsr_regs);
 	}
 #endif	/* CONFIG_QUICC_ENGINE */
@@ -257,7 +258,8 @@ static int __init board_fixups(void)
 
 	return 0;
 }
-machine_arch_initcall(mpc85xx_mds, board_fixups);
+machine_arch_initcall(mpc8568_mds, board_fixups);
+machine_arch_initcall(mpc8569_mds, board_fixups);
 
 static struct of_device_id mpc85xx_ids[] = {
 	{ .type = "soc", },
@@ -276,7 +278,8 @@ static int __init mpc85xx_publish_devices(void)
 
 	return 0;
 }
-machine_device_initcall(mpc85xx_mds, mpc85xx_publish_devices);
+machine_device_initcall(mpc8568_mds, mpc85xx_publish_devices);
+machine_device_initcall(mpc8569_mds, mpc85xx_publish_devices);
 
 static void __init mpc85xx_mds_pic_init(void)
 {
@@ -321,8 +324,8 @@ static int __init mpc85xx_mds_probe(void)
         return of_flat_dt_is_compatible(root, "MPC85xxMDS");
 }
 
-define_machine(mpc85xx_mds) {
-	.name		= "MPC85xx MDS",
+define_machine(mpc8568_mds) {
+	.name		= "MPC8568 MDS",
 	.probe		= mpc85xx_mds_probe,
 	.setup_arch	= mpc85xx_mds_setup_arch,
 	.init_IRQ	= mpc85xx_mds_pic_init,
@@ -334,3 +337,24 @@ define_machine(mpc85xx_mds) {
 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
 #endif
 };
+
+static int __init mpc8569_mds_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	return of_flat_dt_is_compatible(root, "fsl,MPC8569EMDS");
+}
+
+define_machine(mpc8569_mds) {
+	.name		= "MPC8569 MDS",
+	.probe		= mpc8569_mds_probe,
+	.setup_arch	= mpc85xx_mds_setup_arch,
+	.init_IRQ	= mpc85xx_mds_pic_init,
+	.get_irq	= mpic_get_irq,
+	.restart	= fsl_rstcr_restart,
+	.calibrate_decr	= generic_calibrate_decr,
+	.progress	= udbg_progress,
+#ifdef CONFIG_PCI
+	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
+#endif
+};
diff --git a/arch/powerpc/platforms/86xx/gef_ppc9a.c b/arch/powerpc/platforms/86xx/gef_ppc9a.c
index d79104669cd..2efa052975e 100644
--- a/arch/powerpc/platforms/86xx/gef_ppc9a.c
+++ b/arch/powerpc/platforms/86xx/gef_ppc9a.c
@@ -28,7 +28,6 @@
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc86xx.h>
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
diff --git a/arch/powerpc/platforms/86xx/gef_sbc310.c b/arch/powerpc/platforms/86xx/gef_sbc310.c
index af14f852d74..90754e752bd 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc310.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc310.c
@@ -28,7 +28,6 @@
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc86xx.h>
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c
index ea236063965..72b31a6010a 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc610.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc610.c
@@ -28,7 +28,6 @@
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc86xx.h>
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
index 3f49a6f893a..51eec0cd551 100644
--- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
+++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
@@ -28,7 +28,6 @@
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc86xx.h>
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index c4ec49b5f7f..7e9e83c04a8 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -24,7 +24,6 @@
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc86xx.h>
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_smp.c b/arch/powerpc/platforms/86xx/mpc86xx_smp.c
index 014e26cda08..d84bbb508ee 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_smp.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_smp.c
@@ -20,7 +20,6 @@
 #include <asm/pgtable.h>
 #include <asm/pci-bridge.h>
 #include <asm/mpic.h>
-#include <asm/mpc86xx.h>
 #include <asm/cacheflush.h>
 
 #include <sysdev/fsl_soc.h>
@@ -30,6 +29,11 @@
 extern void __secondary_start_mpc86xx(void);
 extern unsigned long __secondary_hold_acknowledge;
 
+#define MCM_PORT_CONFIG_OFFSET	0x10
+
+/* Offset from CCSRBAR */
+#define MPC86xx_MCM_OFFSET      (0x1000)
+#define MPC86xx_MCM_SIZE        (0x1000)
 
 static void __init
 smp_86xx_release_core(int nr)
@@ -48,6 +52,8 @@ smp_86xx_release_core(int nr)
 	pcr = in_be32(mcm_vaddr + (MCM_PORT_CONFIG_OFFSET >> 2));
 	pcr |= 1 << (nr + 24);
 	out_be32(mcm_vaddr + (MCM_PORT_CONFIG_OFFSET >> 2), pcr);
+
+	iounmap(mcm_vaddr);
 }
 
 
diff --git a/arch/powerpc/platforms/86xx/sbc8641d.c b/arch/powerpc/platforms/86xx/sbc8641d.c
index 2886a36fc08..51c8f331b67 100644
--- a/arch/powerpc/platforms/86xx/sbc8641d.c
+++ b/arch/powerpc/platforms/86xx/sbc8641d.c
@@ -25,7 +25,6 @@
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc86xx.h>
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
diff --git a/arch/powerpc/platforms/8xx/mpc885ads.h b/arch/powerpc/platforms/8xx/mpc885ads.h
index a5076668bad..19412f76fa3 100644
--- a/arch/powerpc/platforms/8xx/mpc885ads.h
+++ b/arch/powerpc/platforms/8xx/mpc885ads.h
@@ -17,10 +17,6 @@
 
 #include <sysdev/fsl_soc.h>
 
-#define MPC8xx_CPM_OFFSET	(0x9c0)
-#define CPM_MAP_ADDR		(get_immrbase() + MPC8xx_CPM_OFFSET)
-#define CPM_IRQ_OFFSET		16     // for compability with cpm_uart driver
-
 /* Bits of interest in the BCSRs.
  */
 #define BCSR1_ETHEN		((uint)0x20000000)
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index e3e87078d03..04a8061045c 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -329,4 +329,8 @@ config MCU_MPC8349EMITX
 	  also register MCU GPIOs with the generic GPIO API, so you'll able
 	  to use MCU pins as GPIOs.
 
+config XILINX_PCI
+	bool "Xilinx PCI host bridge support"
+	depends on PCI && XILINX_VIRTEX
+
 endmenu
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 732ee93a8e9..cca6b4fc719 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -10,7 +10,6 @@ menu "Processor support"
 choice
 	prompt "Processor Type"
 	depends on PPC32
-	default 6xx
 	help
 	  There are five families of 32 bit PowerPC chips supported.
 	  The most common ones are the desktop and server CPUs (601, 603,
@@ -22,7 +21,7 @@ choice
 
 	  If unsure, select 52xx/6xx/7xx/74xx/82xx/83xx/86xx.
 
-config 6xx
+config PPC_BOOK3S
 	bool "512x/52xx/6xx/7xx/74xx/82xx/83xx/86xx"
 	select PPC_FPU
 
@@ -58,13 +57,11 @@ config E200
 
 endchoice
 
-# Until we have a choice of exclusive CPU types on 64-bit, we always
-# use PPC_BOOK3S. On 32-bit, this is equivalent to 6xx which is
-# "classic" MMU
-
 config PPC_BOOK3S
-       def_bool y
-       depends on PPC64 || 6xx
+	default y
+	depends on PPC64
+	select PPC_FPU
+
 
 config POWER4_ONLY
 	bool "Optimize for POWER4"
@@ -75,6 +72,10 @@ config POWER4_ONLY
 	  The resulting binary will not work on POWER3 or RS64 processors
 	  when compiled with binutils 2.15 or later.
 
+config 6xx
+	def_bool y
+	depends on PPC32 && PPC_BOOK3S
+
 config POWER3
 	bool
 	depends on PPC64 && PPC_BOOK3S
@@ -203,9 +204,8 @@ config SPE
 	  If in doubt, say Y here.
 
 config PPC_STD_MMU
-	bool
-	depends on 6xx || PPC64
-	default y
+	def_bool y
+	depends on PPC_BOOK3S
 
 config PPC_STD_MMU_32
 	def_bool y
@@ -263,8 +263,8 @@ config SMP
 	  If you don't know what to do here, say N.
 
 config NR_CPUS
-	int "Maximum number of CPUs (2-1024)"
-	range 2 1024
+	int "Maximum number of CPUs (2-8192)"
+	range 2 8192
 	depends on SMP
 	default "32" if PPC64
 	default "4"
diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c
index 0ce45c2b42f..c71498dbf21 100644
--- a/arch/powerpc/platforms/cell/axon_msi.c
+++ b/arch/powerpc/platforms/cell/axon_msi.c
@@ -329,7 +329,7 @@ static struct irq_host_ops msic_host_ops = {
 
 static int axon_msi_shutdown(struct of_device *device)
 {
-	struct axon_msic *msic = device->dev.platform_data;
+	struct axon_msic *msic = dev_get_drvdata(&device->dev);
 	u32 tmp;
 
 	pr_debug("axon_msi: disabling %s\n",
@@ -416,7 +416,7 @@ static int axon_msi_probe(struct of_device *device,
 	msic->read_offset = dcr_read(msic->dcr_host, MSIC_WRITE_OFFSET_REG)
 				& MSIC_FIFO_SIZE_MASK;
 
-	device->dev.platform_data = msic;
+	dev_set_drvdata(&device->dev, msic);
 
 	ppc_md.setup_msi_irqs = axon_msi_setup_msi_irqs;
 	ppc_md.teardown_msi_irqs = axon_msi_teardown_msi_irqs;
diff --git a/arch/powerpc/platforms/cell/celleb_pci.c b/arch/powerpc/platforms/cell/celleb_pci.c
index f39a3b2a166..00eaaa71630 100644
--- a/arch/powerpc/platforms/cell/celleb_pci.c
+++ b/arch/powerpc/platforms/cell/celleb_pci.c
@@ -162,8 +162,7 @@ static int celleb_fake_pci_read_config(struct pci_bus *bus,
 		unsigned int devfn, int where, int size, u32 *val)
 {
 	char *config;
-	struct device_node *node;
-	struct pci_controller *hose;
+	struct pci_controller *hose = pci_bus_to_host(bus);
 	unsigned int devno = devfn >> 3;
 	unsigned int fn = devfn & 0x7;
 
@@ -171,8 +170,6 @@ static int celleb_fake_pci_read_config(struct pci_bus *bus,
 	BUG_ON(where % size);
 
 	pr_debug("    fake read: bus=0x%x, ", bus->number);
-	node = (struct device_node *)bus->sysdata;
-	hose = pci_find_hose_for_OF_device(node);
 	config = get_fake_config_start(hose, devno, fn);
 
 	pr_debug("devno=0x%x, where=0x%x, size=0x%x, ", devno, where, size);
@@ -192,8 +189,7 @@ static int celleb_fake_pci_write_config(struct pci_bus *bus,
 		unsigned int devfn, int where, int size, u32 val)
 {
 	char *config;
-	struct device_node *node;
-	struct pci_controller *hose;
+	struct pci_controller *hose = pci_bus_to_host(bus);
 	struct celleb_pci_resource *res;
 	unsigned int devno = devfn >> 3;
 	unsigned int fn = devfn & 0x7;
@@ -201,8 +197,6 @@ static int celleb_fake_pci_write_config(struct pci_bus *bus,
 	/* allignment check */
 	BUG_ON(where % size);
 
-	node = (struct device_node *)bus->sysdata;
-	hose = pci_find_hose_for_OF_device(node);
 	config = get_fake_config_start(hose, devno, fn);
 
 	if (!config)
diff --git a/arch/powerpc/platforms/cell/celleb_scc_epci.c b/arch/powerpc/platforms/cell/celleb_scc_epci.c
index 48ec88a38a1..05b0db3ef63 100644
--- a/arch/powerpc/platforms/cell/celleb_scc_epci.c
+++ b/arch/powerpc/platforms/cell/celleb_scc_epci.c
@@ -134,15 +134,11 @@ static int celleb_epci_read_config(struct pci_bus *bus,
 {
 	PCI_IO_ADDR epci_base;
 	PCI_IO_ADDR addr;
-	struct device_node *node;
-	struct pci_controller *hose;
+	struct pci_controller *hose = pci_bus_to_host(bus);
 
 	/* allignment check */
 	BUG_ON(where % size);
 
-	node = (struct device_node *)bus->sysdata;
-	hose = pci_find_hose_for_OF_device(node);
-
 	if (!celleb_epci_get_epci_cfg(hose))
 		return PCIBIOS_DEVICE_NOT_FOUND;
 
@@ -198,16 +194,11 @@ static int celleb_epci_write_config(struct pci_bus *bus,
 {
 	PCI_IO_ADDR epci_base;
 	PCI_IO_ADDR addr;
-	struct device_node *node;
-	struct pci_controller *hose;
+	struct pci_controller *hose = pci_bus_to_host(bus);
 
 	/* allignment check */
 	BUG_ON(where % size);
 
-	node = (struct device_node *)bus->sysdata;
-	hose = pci_find_hose_for_OF_device(node);
-
-
 	if (!celleb_epci_get_epci_cfg(hose))
 		return PCIBIOS_DEVICE_NOT_FOUND;
 
diff --git a/arch/powerpc/platforms/cell/celleb_scc_pciex.c b/arch/powerpc/platforms/cell/celleb_scc_pciex.c
index 3e7e0f1568e..7fca09f990b 100644
--- a/arch/powerpc/platforms/cell/celleb_scc_pciex.c
+++ b/arch/powerpc/platforms/cell/celleb_scc_pciex.c
@@ -366,11 +366,7 @@ static void config_write_pciex_rc(unsigned int __iomem *base, uint32_t where,
 static int scc_pciex_read_config(struct pci_bus *bus, unsigned int devfn,
 				 int where, int size, unsigned int *val)
 {
-	struct device_node *dn;
-	struct pci_controller *phb;
-
-	dn = bus->sysdata;
-	phb = pci_find_hose_for_OF_device(dn);
+	struct pci_controller *phb = pci_bus_to_host(bus);
 
 	if (bus->number == phb->first_busno && PCI_SLOT(devfn) != 1) {
 		*val = ~0;
@@ -389,11 +385,7 @@ static int scc_pciex_read_config(struct pci_bus *bus, unsigned int devfn,
 static int scc_pciex_write_config(struct pci_bus *bus, unsigned int devfn,
 				  int where, int size, unsigned int val)
 {
-	struct device_node *dn;
-	struct pci_controller *phb;
-
-	dn = bus->sysdata;
-	phb = pci_find_hose_for_OF_device(dn);
+	struct pci_controller *phb = pci_bus_to_host(bus);
 
 	if (bus->number == phb->first_busno && PCI_SLOT(devfn) != 1)
 		return PCIBIOS_DEVICE_NOT_FOUND;
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index bed4690de39..5b34fc211f3 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -100,16 +100,6 @@
 #define IOSTE_PS_1M		0x0000000000000005ul /*   - 1MB  */
 #define IOSTE_PS_16M		0x0000000000000007ul /*   - 16MB */
 
-/* Page table entries */
-#define IOPTE_PP_W		0x8000000000000000ul /* protection: write */
-#define IOPTE_PP_R		0x4000000000000000ul /* protection: read */
-#define IOPTE_M			0x2000000000000000ul /* coherency required */
-#define IOPTE_SO_R		0x1000000000000000ul /* ordering: writes */
-#define IOPTE_SO_RW             0x1800000000000000ul /* ordering: r & w */
-#define IOPTE_RPN_Mask		0x07fffffffffff000ul /* RPN */
-#define IOPTE_H			0x0000000000000800ul /* cache hint */
-#define IOPTE_IOID_Mask		0x00000000000007fful /* ioid */
-
 
 /* IOMMU sizing */
 #define IO_SEGMENT_SHIFT	28
@@ -193,19 +183,21 @@ static int tce_build_cell(struct iommu_table *tbl, long index, long npages,
 	 */
 	const unsigned long prot = 0xc48;
 	base_pte =
-		((prot << (52 + 4 * direction)) & (IOPTE_PP_W | IOPTE_PP_R))
-		| IOPTE_M | IOPTE_SO_RW | (window->ioid & IOPTE_IOID_Mask);
+		((prot << (52 + 4 * direction)) &
+		 (CBE_IOPTE_PP_W | CBE_IOPTE_PP_R)) |
+		CBE_IOPTE_M | CBE_IOPTE_SO_RW |
+		(window->ioid & CBE_IOPTE_IOID_Mask);
 #else
-	base_pte = IOPTE_PP_W | IOPTE_PP_R | IOPTE_M | IOPTE_SO_RW |
-		(window->ioid & IOPTE_IOID_Mask);
+	base_pte = CBE_IOPTE_PP_W | CBE_IOPTE_PP_R | CBE_IOPTE_M |
+		CBE_IOPTE_SO_RW | (window->ioid & CBE_IOPTE_IOID_Mask);
 #endif
 	if (unlikely(dma_get_attr(DMA_ATTR_WEAK_ORDERING, attrs)))
-		base_pte &= ~IOPTE_SO_RW;
+		base_pte &= ~CBE_IOPTE_SO_RW;
 
 	io_pte = (unsigned long *)tbl->it_base + (index - tbl->it_offset);
 
 	for (i = 0; i < npages; i++, uaddr += IOMMU_PAGE_SIZE)
-		io_pte[i] = base_pte | (__pa(uaddr) & IOPTE_RPN_Mask);
+		io_pte[i] = base_pte | (__pa(uaddr) & CBE_IOPTE_RPN_Mask);
 
 	mb();
 
@@ -231,8 +223,9 @@ static void tce_free_cell(struct iommu_table *tbl, long index, long npages)
 #else
 	/* spider bridge does PCI reads after freeing - insert a mapping
 	 * to a scratch page instead of an invalid entry */
-	pte = IOPTE_PP_R | IOPTE_M | IOPTE_SO_RW | __pa(window->iommu->pad_page)
-		| (window->ioid & IOPTE_IOID_Mask);
+	pte = CBE_IOPTE_PP_R | CBE_IOPTE_M | CBE_IOPTE_SO_RW |
+		__pa(window->iommu->pad_page) |
+		(window->ioid & CBE_IOPTE_IOID_Mask);
 #endif
 
 	io_pte = (unsigned long *)tbl->it_base + (index - tbl->it_offset);
@@ -1001,7 +994,7 @@ static void insert_16M_pte(unsigned long addr, unsigned long *ptab,
 	pr_debug("iommu: addr %lx ptab %p segment %lx offset %lx\n",
 		  addr, ptab, segment, offset);
 
-	ptab[offset] = base_pte | (__pa(addr) & IOPTE_RPN_Mask);
+	ptab[offset] = base_pte | (__pa(addr) & CBE_IOPTE_RPN_Mask);
 }
 
 static void cell_iommu_setup_fixed_ptab(struct cbe_iommu *iommu,
@@ -1016,14 +1009,14 @@ static void cell_iommu_setup_fixed_ptab(struct cbe_iommu *iommu,
 
 	pr_debug("iommu: mapping 0x%lx pages from 0x%lx\n", fsize, fbase);
 
-	base_pte = IOPTE_PP_W | IOPTE_PP_R | IOPTE_M
-		    | (cell_iommu_get_ioid(np) & IOPTE_IOID_Mask);
+	base_pte = CBE_IOPTE_PP_W | CBE_IOPTE_PP_R | CBE_IOPTE_M |
+		(cell_iommu_get_ioid(np) & CBE_IOPTE_IOID_Mask);
 
 	if (iommu_fixed_is_weak)
 		pr_info("IOMMU: Using weak ordering for fixed mapping\n");
 	else {
 		pr_info("IOMMU: Using strong ordering for fixed mapping\n");
-		base_pte |= IOPTE_SO_RW;
+		base_pte |= CBE_IOPTE_SO_RW;
 	}
 
 	for (uaddr = 0; uaddr < fsize; uaddr += (1 << 24)) {
diff --git a/arch/powerpc/platforms/cell/ras.c b/arch/powerpc/platforms/cell/ras.c
index 296b5268754..5e0a191764f 100644
--- a/arch/powerpc/platforms/cell/ras.c
+++ b/arch/powerpc/platforms/cell/ras.c
@@ -122,8 +122,8 @@ static int __init cbe_ptcal_enable_on_node(int nid, int order)
 
 	area->nid = nid;
 	area->order = order;
-	area->pages = alloc_pages_node(area->nid, GFP_KERNEL | GFP_THISNODE,
-					area->order);
+	area->pages = alloc_pages_exact_node(area->nid, GFP_KERNEL|GFP_THISNODE,
+						area->order);
 
 	if (!area->pages) {
 		printk(KERN_WARNING "%s: no page on node %d\n",
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index 9abd210d87c..8547e86bfb4 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -752,17 +752,8 @@ static int __init init_spu_base(void)
 		goto out_unregister_sysdev_class;
 	}
 
-	if (ret > 0) {
-		/*
-		 * We cannot put the forward declaration in
-		 * <linux/linux_logo.h> because of conflicting session type
-		 * conflicts for const and __initdata with different compiler
-		 * versions
-		 */
-		extern const struct linux_logo logo_spe_clut224;
-
+	if (ret > 0)
 		fb_append_extra_logo(&logo_spe_clut224, ret);
-	}
 
 	mutex_lock(&spu_full_list_mutex);
 	xmon_register_spus(&spu_full_list);
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 706eb5c7e2e..24b30b6909c 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -631,10 +631,6 @@ long spufs_create(struct nameidata *nd, unsigned int flags, mode_t mode,
 	if (IS_ERR(dentry))
 		goto out_dir;
 
-	ret = -EEXIST;
-	if (dentry->d_inode)
-		goto out_dput;
-
 	mode &= ~current_umask();
 
 	if (flags & SPU_CREATE_GANG)
@@ -648,8 +644,6 @@ long spufs_create(struct nameidata *nd, unsigned int flags, mode_t mode,
 		fsnotify_mkdir(nd->path.dentry->d_inode, dentry);
 	return ret;
 
-out_dput:
-	dput(dentry);
 out_dir:
 	mutex_unlock(&nd->path.dentry->d_inode->i_mutex);
 out:
diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c
index f6b0c519d5a..8f67a394b2d 100644
--- a/arch/powerpc/platforms/chrp/pci.c
+++ b/arch/powerpc/platforms/chrp/pci.c
@@ -34,7 +34,7 @@ int gg2_read_config(struct pci_bus *bus, unsigned int devfn, int off,
 			   int len, u32 *val)
 {
 	volatile void __iomem *cfg_data;
-	struct pci_controller *hose = bus->sysdata;
+	struct pci_controller *hose = pci_bus_to_host(bus);
 
 	if (bus->number > 7)
 		return PCIBIOS_DEVICE_NOT_FOUND;
@@ -61,7 +61,7 @@ int gg2_write_config(struct pci_bus *bus, unsigned int devfn, int off,
 			    int len, u32 val)
 {
 	volatile void __iomem *cfg_data;
-	struct pci_controller *hose = bus->sysdata;
+	struct pci_controller *hose = pci_bus_to_host(bus);
 
 	if (bus->number > 7)
 		return PCIBIOS_DEVICE_NOT_FOUND;
@@ -96,7 +96,7 @@ static struct pci_ops gg2_pci_ops =
 int rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
 		     int len, u32 *val)
 {
-	struct pci_controller *hose = bus->sysdata;
+	struct pci_controller *hose = pci_bus_to_host(bus);
 	unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8)
 		| (((bus->number - hose->first_busno) & 0xff) << 16)
 		| (hose->global_number << 24);
@@ -111,7 +111,7 @@ int rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
 int rtas_write_config(struct pci_bus *bus, unsigned int devfn, int offset,
 		      int len, u32 val)
 {
-	struct pci_controller *hose = bus->sysdata;
+	struct pci_controller *hose = pci_bus_to_host(bus);
 	unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8)
 		| (((bus->number - hose->first_busno) & 0xff) << 16)
 		| (hose->global_number << 24);
diff --git a/arch/powerpc/platforms/fsl_uli1575.c b/arch/powerpc/platforms/fsl_uli1575.c
index 65a35f38e06..fd23a1d4b39 100644
--- a/arch/powerpc/platforms/fsl_uli1575.c
+++ b/arch/powerpc/platforms/fsl_uli1575.c
@@ -51,13 +51,20 @@ u8 uli_pirq_to_irq[8] = {
 	ULI_8259_NONE,		/* PIRQH */
 };
 
+static inline bool is_quirk_valid(void)
+{
+	return (machine_is(mpc86xx_hpcn) ||
+		machine_is(mpc8544_ds) ||
+		machine_is(p2020_ds) ||
+		machine_is(mpc8572_ds));
+}
+
 /* Bridge */
 static void __devinit early_uli5249(struct pci_dev *dev)
 {
 	unsigned char temp;
 
-	if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
-			!machine_is(mpc8572_ds))
+	if (!is_quirk_valid())
 		return;
 
 	pci_write_config_word(dev, PCI_COMMAND, PCI_COMMAND_IO |
@@ -80,8 +87,7 @@ static void __devinit quirk_uli1575(struct pci_dev *dev)
 {
 	int i;
 
-	if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
-			!machine_is(mpc8572_ds))
+	if (!is_quirk_valid())
 		return;
 
 	/*
@@ -149,8 +155,7 @@ static void __devinit quirk_final_uli1575(struct pci_dev *dev)
 	 * IRQ 14: Edge
 	 * IRQ 15: Edge
 	 */
-	if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
-			!machine_is(mpc8572_ds))
+	if (!is_quirk_valid())
 		return;
 
 	outb(0xfa, 0x4d0);
@@ -176,8 +181,7 @@ static void __devinit quirk_uli5288(struct pci_dev *dev)
 	unsigned char c;
 	unsigned int d;
 
-	if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
-			!machine_is(mpc8572_ds))
+	if (!is_quirk_valid())
 		return;
 
 	/* read/write lock */
@@ -201,8 +205,7 @@ static void __devinit quirk_uli5229(struct pci_dev *dev)
 {
 	unsigned short temp;
 
-	if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
-			!machine_is(mpc8572_ds))
+	if (!is_quirk_valid())
 		return;
 
 	pci_write_config_word(dev, PCI_COMMAND, PCI_COMMAND_INTX_DISABLE |
@@ -270,7 +273,6 @@ static void __devinit hpcd_quirk_uli1575(struct pci_dev *dev)
 static void __devinit hpcd_quirk_uli5288(struct pci_dev *dev)
 {
 	unsigned char c;
-	unsigned short temp;
 
 	if (!machine_is(mpc86xx_hpcd))
 		return;
diff --git a/arch/powerpc/platforms/iseries/dt.c b/arch/powerpc/platforms/iseries/dt.c
index 4543c4bc3a5..c5a87a72057 100644
--- a/arch/powerpc/platforms/iseries/dt.c
+++ b/arch/powerpc/platforms/iseries/dt.c
@@ -204,7 +204,8 @@ static void __init dt_prop_u32(struct iseries_flat_dt *dt, const char *name,
 	dt_prop(dt, name, &data, sizeof(u32));
 }
 
-static void __init dt_prop_u64(struct iseries_flat_dt *dt, const char *name,
+static void __init __maybe_unused dt_prop_u64(struct iseries_flat_dt *dt,
+					      const char *name,
 		u64 data)
 {
 	dt_prop(dt, name, &data, sizeof(u64));
diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c
index 40219823d9b..6c1e1011959 100644
--- a/arch/powerpc/platforms/iseries/iommu.c
+++ b/arch/powerpc/platforms/iseries/iommu.c
@@ -177,7 +177,7 @@ static struct iommu_table *iommu_table_find(struct iommu_table * tbl)
 static void pci_dma_dev_setup_iseries(struct pci_dev *pdev)
 {
 	struct iommu_table *tbl;
-	struct device_node *dn = pdev->sysdata;
+	struct device_node *dn = pci_device_to_OF_node(pdev);
 	struct pci_dn *pdn = PCI_DN(dn);
 	const u32 *lsn = of_get_property(dn, "linux,logical-slot-number", NULL);
 
diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c
index 3689c2413d2..fef4d515051 100644
--- a/arch/powerpc/platforms/iseries/mf.c
+++ b/arch/powerpc/platforms/iseries/mf.c
@@ -267,7 +267,8 @@ static struct pending_event *new_pending_event(void)
 	return ev;
 }
 
-static int signal_vsp_instruction(struct vsp_cmd_data *vsp_cmd)
+static int __maybe_unused
+signal_vsp_instruction(struct vsp_cmd_data *vsp_cmd)
 {
 	struct pending_event *ev = new_pending_event();
 	int rc;
diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c
index 21cddc30220..175aac8ca7e 100644
--- a/arch/powerpc/platforms/iseries/pci.c
+++ b/arch/powerpc/platforms/iseries/pci.c
@@ -318,6 +318,7 @@ static void __init iomm_table_allocate_entry(struct pci_dev *dev, int bar_num)
 {
 	struct resource *bar_res = &dev->resource[bar_num];
 	long bar_size = pci_resource_len(dev, bar_num);
+	struct device_node *dn = pci_device_to_OF_node(dev);
 
 	/*
 	 * No space to allocate, quick exit, skip Allocation.
@@ -335,9 +336,9 @@ static void __init iomm_table_allocate_entry(struct pci_dev *dev, int bar_num)
 	 * Allocate the number of table entries needed for BAR.
 	 */
 	while (bar_size > 0 ) {
-		iomm_table[current_iomm_table_entry] = dev->sysdata;
+		iomm_table[current_iomm_table_entry] = dn;
 		ds_addr_table[current_iomm_table_entry] =
-			iseries_ds_addr(dev->sysdata) | (bar_num << 24);
+			iseries_ds_addr(dn) | (bar_num << 24);
 		bar_size -= IOMM_TABLE_ENTRY_SIZE;
 		++current_iomm_table_entry;
 	}
@@ -410,7 +411,7 @@ void __init iSeries_pcibios_fixup_resources(struct pci_dev *pdev)
 	struct device_node *node;
 	int i;
 
-	node = find_device_node(bus, pdev->devfn);
+	node = pci_device_to_OF_node(pdev);
 	pr_debug("PCI: iSeries %s, pdev %p, node %p\n",
 		 pci_name(pdev), pdev, node);
 	if (!node) {
@@ -441,7 +442,6 @@ void __init iSeries_pcibios_fixup_resources(struct pci_dev *pdev)
 		}
 	}
 
-	pdev->sysdata = node;
 	allocate_device_bars(pdev);
 	iseries_device_information(pdev, bus, *sub_bus);
 }
diff --git a/arch/powerpc/platforms/pasemi/gpio_mdio.c b/arch/powerpc/platforms/pasemi/gpio_mdio.c
index 75cc165d5be..3bf546797cb 100644
--- a/arch/powerpc/platforms/pasemi/gpio_mdio.c
+++ b/arch/powerpc/platforms/pasemi/gpio_mdio.c
@@ -29,7 +29,7 @@
 #include <linux/ioport.h>
 #include <linux/interrupt.h>
 #include <linux/phy.h>
-#include <linux/platform_device.h>
+#include <linux/of_mdio.h>
 #include <linux/of_platform.h>
 
 #define DELAY 1
@@ -39,6 +39,7 @@ static void __iomem *gpio_regs;
 struct gpio_priv {
 	int mdc_pin;
 	int mdio_pin;
+	int mdio_irqs[PHY_MAX_ADDR];
 };
 
 #define MDC_PIN(bus)	(((struct gpio_priv *)bus->priv)->mdc_pin)
@@ -218,12 +219,11 @@ static int __devinit gpio_mdio_probe(struct of_device *ofdev,
 				     const struct of_device_id *match)
 {
 	struct device *dev = &ofdev->dev;
-	struct device_node *phy_dn, *np = ofdev->node;
+	struct device_node *np = ofdev->node;
 	struct mii_bus *new_bus;
 	struct gpio_priv *priv;
 	const unsigned int *prop;
 	int err;
-	int i;
 
 	err = -ENOMEM;
 	priv = kzalloc(sizeof(struct gpio_priv), GFP_KERNEL);
@@ -244,27 +244,7 @@ static int __devinit gpio_mdio_probe(struct of_device *ofdev,
 	snprintf(new_bus->id, MII_BUS_ID_SIZE, "%x", *prop);
 	new_bus->priv = priv;
 
-	new_bus->phy_mask = 0;
-
-	new_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);
-
-	if (!new_bus->irq)
-		goto out_free_bus;
-
-	for (i = 0; i < PHY_MAX_ADDR; i++)
-		new_bus->irq[i] = NO_IRQ;
-
-	for (phy_dn = of_get_next_child(np, NULL);
-	     phy_dn != NULL;
-	     phy_dn = of_get_next_child(np, phy_dn)) {
-		const unsigned int *ip, *regp;
-
-		ip = of_get_property(phy_dn, "interrupts", NULL);
-		regp = of_get_property(phy_dn, "reg", NULL);
-		if (!ip || !regp || *regp >= PHY_MAX_ADDR)
-			continue;
-		new_bus->irq[*regp] = irq_create_mapping(NULL, *ip);
-	}
+	new_bus->irq = priv->mdio_irqs;
 
 	prop = of_get_property(np, "mdc-pin", NULL);
 	priv->mdc_pin = *prop;
@@ -275,7 +255,7 @@ static int __devinit gpio_mdio_probe(struct of_device *ofdev,
 	new_bus->parent = dev;
 	dev_set_drvdata(dev, new_bus);
 
-	err = mdiobus_register(new_bus);
+	err = of_mdiobus_register(new_bus, np);
 
 	if (err != 0) {
 		printk(KERN_ERR "%s: Cannot register as MDIO bus, err %d\n",
@@ -286,8 +266,6 @@ static int __devinit gpio_mdio_probe(struct of_device *ofdev,
 	return 0;
 
 out_free_irq:
-	kfree(new_bus->irq);
-out_free_bus:
 	kfree(new_bus);
 out_free_priv:
 	kfree(priv);
diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index 7039d8f1d3b..dce73634910 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -221,7 +221,7 @@ static irqreturn_t gatwick_action(int cpl, void *dev_id)
 			continue;
 		irq += __ilog2(bits);
 		spin_unlock_irqrestore(&pmac_pic_lock, flags);
-		__do_IRQ(irq);
+		generic_handle_irq(irq);
 		spin_lock_irqsave(&pmac_pic_lock, flags);
 		rc = IRQ_HANDLED;
 	}
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 45936c9ed0e..86f69a4eb49 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -655,7 +655,7 @@ static int __init pmac_probe(void)
 /* Move that to pci.c */
 static int pmac_pci_probe_mode(struct pci_bus *bus)
 {
-	struct device_node *node = bus->sysdata;
+	struct device_node *node = pci_bus_to_OF_node(bus);
 
 	/* We need to use normal PCI probing for the AGP bus,
 	 * since the device for the AGP bridge isn't in the tree.
diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
index 9a2b6d94861..846eb8b57fd 100644
--- a/arch/powerpc/platforms/ps3/mm.c
+++ b/arch/powerpc/platforms/ps3/mm.c
@@ -24,6 +24,7 @@
 #include <linux/lmb.h>
 
 #include <asm/firmware.h>
+#include <asm/iommu.h>
 #include <asm/prom.h>
 #include <asm/udbg.h>
 #include <asm/lv1call.h>
@@ -605,9 +606,8 @@ static int dma_ioc0_map_pages(struct ps3_dma_region *r, unsigned long phys_addr,
 				       r->ioid,
 				       iopte_flag);
 		if (result) {
-			printk(KERN_WARNING "%s:%d: lv1_map_device_dma_region "
-				"failed: %s\n", __func__, __LINE__,
-				ps3_result(result));
+			pr_warning("%s:%d: lv1_put_iopte failed: %s\n",
+				   __func__, __LINE__, ps3_result(result));
 			goto fail_map;
 		}
 		DBG("%s: pg=%d bus=%#lx, lpar=%#lx, ioid=%#x\n", __func__,
@@ -1001,7 +1001,8 @@ static int dma_sb_region_create_linear(struct ps3_dma_region *r)
 		if (len > r->len)
 			len = r->len;
 		result = dma_sb_map_area(r, virt_addr, len, &tmp,
-			IOPTE_PP_W | IOPTE_PP_R | IOPTE_SO_RW | IOPTE_M);
+			CBE_IOPTE_PP_W | CBE_IOPTE_PP_R | CBE_IOPTE_SO_RW |
+			CBE_IOPTE_M);
 		BUG_ON(result);
 	}
 
@@ -1014,7 +1015,8 @@ static int dma_sb_region_create_linear(struct ps3_dma_region *r)
 		else
 			len -= map.rm.size - r->offset;
 		result = dma_sb_map_area(r, virt_addr, len, &tmp,
-			IOPTE_PP_W | IOPTE_PP_R | IOPTE_SO_RW | IOPTE_M);
+			CBE_IOPTE_PP_W | CBE_IOPTE_PP_R | CBE_IOPTE_SO_RW |
+			CBE_IOPTE_M);
 		BUG_ON(result);
 	}
 
diff --git a/arch/powerpc/platforms/ps3/os-area.c b/arch/powerpc/platforms/ps3/os-area.c
index cf1cd0f8c18..d6487a9c801 100644
--- a/arch/powerpc/platforms/ps3/os-area.c
+++ b/arch/powerpc/platforms/ps3/os-area.c
@@ -226,6 +226,44 @@ static struct property property_av_multi_out = {
 	.value = &saved_params.av_multi_out,
 };
 
+
+static DEFINE_MUTEX(os_area_flash_mutex);
+
+static const struct ps3_os_area_flash_ops *os_area_flash_ops;
+
+void ps3_os_area_flash_register(const struct ps3_os_area_flash_ops *ops)
+{
+	mutex_lock(&os_area_flash_mutex);
+	os_area_flash_ops = ops;
+	mutex_unlock(&os_area_flash_mutex);
+}
+EXPORT_SYMBOL_GPL(ps3_os_area_flash_register);
+
+static ssize_t os_area_flash_read(void *buf, size_t count, loff_t pos)
+{
+	ssize_t res = -ENODEV;
+
+	mutex_lock(&os_area_flash_mutex);
+	if (os_area_flash_ops)
+		res = os_area_flash_ops->read(buf, count, pos);
+	mutex_unlock(&os_area_flash_mutex);
+
+	return res;
+}
+
+static ssize_t os_area_flash_write(const void *buf, size_t count, loff_t pos)
+{
+	ssize_t res = -ENODEV;
+
+	mutex_lock(&os_area_flash_mutex);
+	if (os_area_flash_ops)
+		res = os_area_flash_ops->write(buf, count, pos);
+	mutex_unlock(&os_area_flash_mutex);
+
+	return res;
+}
+
+
 /**
  * os_area_set_property - Add or overwrite a saved_params value to the device tree.
  *
@@ -352,12 +390,12 @@ static int db_verify(const struct os_area_db *db)
 	if (memcmp(db->magic_num, OS_AREA_DB_MAGIC_NUM,
 		sizeof(db->magic_num))) {
 		pr_debug("%s:%d magic_num failed\n", __func__, __LINE__);
-		return -1;
+		return -EINVAL;
 	}
 
 	if (db->version != 1) {
 		pr_debug("%s:%d version failed\n", __func__, __LINE__);
-		return -1;
+		return -EINVAL;
 	}
 
 	return 0;
@@ -578,59 +616,48 @@ static void os_area_db_init(struct os_area_db *db)
  *
  */
 
-static void __maybe_unused update_flash_db(void)
+static int update_flash_db(void)
 {
-	int result;
-	int file;
-	off_t offset;
+	const unsigned int buf_len = 8 * OS_AREA_SEGMENT_SIZE;
+	struct os_area_header *header;
 	ssize_t count;
-	static const unsigned int buf_len = 8 * OS_AREA_SEGMENT_SIZE;
-	const struct os_area_header *header;
+	int error;
+	loff_t pos;
 	struct os_area_db* db;
 
 	/* Read in header and db from flash. */
 
-	file = sys_open("/dev/ps3flash", O_RDWR, 0);
-
-	if (file < 0) {
-		pr_debug("%s:%d sys_open failed\n", __func__, __LINE__);
-		goto fail_open;
-	}
-
 	header = kmalloc(buf_len, GFP_KERNEL);
-
 	if (!header) {
-		pr_debug("%s:%d kmalloc failed\n", __func__, __LINE__);
-		goto fail_malloc;
+		pr_debug("%s: kmalloc failed\n", __func__);
+		return -ENOMEM;
 	}
 
-	offset = sys_lseek(file, 0, SEEK_SET);
-
-	if (offset != 0) {
-		pr_debug("%s:%d sys_lseek failed\n", __func__, __LINE__);
-		goto fail_header_seek;
+	count = os_area_flash_read(header, buf_len, 0);
+	if (count < 0) {
+		pr_debug("%s: os_area_flash_read failed %zd\n", __func__,
+			 count);
+		error = count;
+		goto fail;
 	}
 
-	count = sys_read(file, (char __user *)header, buf_len);
-
-	result = count < OS_AREA_SEGMENT_SIZE || verify_header(header)
-		|| count < header->db_area_offset * OS_AREA_SEGMENT_SIZE;
-
-	if (result) {
-		pr_debug("%s:%d verify_header failed\n", __func__, __LINE__);
+	pos = header->db_area_offset * OS_AREA_SEGMENT_SIZE;
+	if (count < OS_AREA_SEGMENT_SIZE || verify_header(header) ||
+	    count < pos) {
+		pr_debug("%s: verify_header failed\n", __func__);
 		dump_header(header);
-		goto fail_header;
+		error = -EINVAL;
+		goto fail;
 	}
 
 	/* Now got a good db offset and some maybe good db data. */
 
-	db = (void*)header + header->db_area_offset * OS_AREA_SEGMENT_SIZE;
+	db = (void *)header + pos;
 
-	result = db_verify(db);
-
-	if (result) {
-		printk(KERN_NOTICE "%s:%d: Verify of flash database failed, "
-			"formatting.\n", __func__, __LINE__);
+	error = db_verify(db);
+	if (error) {
+		pr_notice("%s: Verify of flash database failed, formatting.\n",
+			  __func__);
 		dump_db(db);
 		os_area_db_init(db);
 	}
@@ -639,29 +666,16 @@ static void __maybe_unused update_flash_db(void)
 
 	db_set_64(db, &os_area_db_id_rtc_diff, saved_params.rtc_diff);
 
-	offset = sys_lseek(file, header->db_area_offset * OS_AREA_SEGMENT_SIZE,
-		SEEK_SET);
-
-	if (offset != header->db_area_offset * OS_AREA_SEGMENT_SIZE) {
-		pr_debug("%s:%d sys_lseek failed\n", __func__, __LINE__);
-		goto fail_db_seek;
-	}
-
-	count = sys_write(file, (const char __user *)db,
-		sizeof(struct os_area_db));
-
+	count = os_area_flash_write(db, sizeof(struct os_area_db), pos);
 	if (count < sizeof(struct os_area_db)) {
-		pr_debug("%s:%d sys_write failed\n", __func__, __LINE__);
+		pr_debug("%s: os_area_flash_write failed %zd\n", __func__,
+			 count);
+		error = count < 0 ? count : -EIO;
 	}
 
-fail_db_seek:
-fail_header:
-fail_header_seek:
+fail:
 	kfree(header);
-fail_malloc:
-	sys_close(file);
-fail_open:
-	return;
+	return error;
 }
 
 /**
@@ -674,11 +688,11 @@ fail_open:
 static void os_area_queue_work_handler(struct work_struct *work)
 {
 	struct device_node *node;
+	int error;
 
 	pr_debug(" -> %s:%d\n", __func__, __LINE__);
 
 	node = of_find_node_by_path("/");
-
 	if (node) {
 		os_area_set_property(node, &property_rtc_diff);
 		of_node_put(node);
@@ -686,12 +700,10 @@ static void os_area_queue_work_handler(struct work_struct *work)
 		pr_debug("%s:%d of_find_node_by_path failed\n",
 			__func__, __LINE__);
 
-#if defined(CONFIG_PS3_FLASH) || defined(CONFIG_PS3_FLASH_MODULE)
-	update_flash_db();
-#else
-	printk(KERN_WARNING "%s:%d: No flash rom driver configured.\n",
-		__func__, __LINE__);
-#endif
+	error = update_flash_db();
+	if (error)
+		pr_warning("%s: Could not update FLASH ROM\n", __func__);
+
 	pr_debug(" <- %s:%d\n", __func__, __LINE__);
 }
 
@@ -808,7 +820,7 @@ u64 ps3_os_area_get_rtc_diff(void)
 {
 	return saved_params.rtc_diff;
 }
-EXPORT_SYMBOL(ps3_os_area_get_rtc_diff);
+EXPORT_SYMBOL_GPL(ps3_os_area_get_rtc_diff);
 
 /**
  * ps3_os_area_set_rtc_diff - Set the rtc diff value.
@@ -824,7 +836,7 @@ void ps3_os_area_set_rtc_diff(u64 rtc_diff)
 		os_area_queue_work();
 	}
 }
-EXPORT_SYMBOL(ps3_os_area_set_rtc_diff);
+EXPORT_SYMBOL_GPL(ps3_os_area_set_rtc_diff);
 
 /**
  * ps3_os_area_get_av_multi_out - Returns the default video mode.
diff --git a/arch/powerpc/platforms/ps3/platform.h b/arch/powerpc/platforms/ps3/platform.h
index 136aa0637d9..9a196a88eda 100644
--- a/arch/powerpc/platforms/ps3/platform.h
+++ b/arch/powerpc/platforms/ps3/platform.h
@@ -232,14 +232,4 @@ int ps3_repository_read_spu_resource_id(unsigned int res_index,
 int ps3_repository_read_vuart_av_port(unsigned int *port);
 int ps3_repository_read_vuart_sysmgr_port(unsigned int *port);
 
-/* Page table entries */
-#define IOPTE_PP_W		0x8000000000000000ul /* protection: write */
-#define IOPTE_PP_R		0x4000000000000000ul /* protection: read */
-#define IOPTE_M			0x2000000000000000ul /* coherency required */
-#define IOPTE_SO_R		0x1000000000000000ul /* ordering: writes */
-#define IOPTE_SO_RW             0x1800000000000000ul /* ordering: r & w */
-#define IOPTE_RPN_Mask		0x07fffffffffff000ul /* RPN */
-#define IOPTE_H			0x0000000000000800ul /* cache hint */
-#define IOPTE_IOID_Mask		0x00000000000007fful /* ioid */
-
 #endif
diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c
index 1a7b5ae0c83..149bea2ce58 100644
--- a/arch/powerpc/platforms/ps3/setup.c
+++ b/arch/powerpc/platforms/ps3/setup.c
@@ -32,6 +32,7 @@
 #include <asm/udbg.h>
 #include <asm/prom.h>
 #include <asm/lv1call.h>
+#include <asm/ps3gpu.h>
 
 #include "platform.h"
 
diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c
index a0927a3bacb..f6e04bcc70e 100644
--- a/arch/powerpc/platforms/ps3/smp.c
+++ b/arch/powerpc/platforms/ps3/smp.c
@@ -32,12 +32,6 @@
 #define DBG pr_debug
 #endif
 
-static irqreturn_t ipi_function_handler(int irq, void *msg)
-{
-	smp_message_recv((int)(long)msg);
-	return IRQ_HANDLED;
-}
-
 /**
   * ps3_ipi_virqs - a per cpu array of virqs for ipi use
   */
@@ -45,13 +39,6 @@ static irqreturn_t ipi_function_handler(int irq, void *msg)
 #define MSG_COUNT 4
 static DEFINE_PER_CPU(unsigned int, ps3_ipi_virqs[MSG_COUNT]);
 
-static const char *names[MSG_COUNT] = {
-	"ipi call",
-	"ipi reschedule",
-	"ipi migrate",
-	"ipi debug brk"
-};
-
 static void do_message_pass(int target, int msg)
 {
 	int result;
@@ -119,8 +106,7 @@ static void __init ps3_smp_setup_cpu(int cpu)
 		DBG("%s:%d: (%d, %d) => virq %u\n",
 			__func__, __LINE__, cpu, i, virqs[i]);
 
-		result = request_irq(virqs[i], ipi_function_handler,
-			IRQF_DISABLED, names[i], (void*)(long)i);
+		result = smp_request_message_ipi(virqs[i], i);
 
 		if (result)
 			virqs[i] = NO_IRQ;
diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c
index 9a73d023863..9fead0faf38 100644
--- a/arch/powerpc/platforms/ps3/system-bus.c
+++ b/arch/powerpc/platforms/ps3/system-bus.c
@@ -27,6 +27,7 @@
 #include <asm/udbg.h>
 #include <asm/lv1call.h>
 #include <asm/firmware.h>
+#include <asm/iommu.h>
 
 #include "platform.h"
 
@@ -531,7 +532,8 @@ static void * ps3_alloc_coherent(struct device *_dev, size_t size,
 	}
 
 	result = ps3_dma_map(dev->d_region, virt_addr, size, dma_handle,
-			     IOPTE_PP_W | IOPTE_PP_R | IOPTE_SO_RW | IOPTE_M);
+			     CBE_IOPTE_PP_W | CBE_IOPTE_PP_R |
+			     CBE_IOPTE_SO_RW | CBE_IOPTE_M);
 
 	if (result) {
 		pr_debug("%s:%d: ps3_dma_map failed (%d)\n",
@@ -575,7 +577,8 @@ static dma_addr_t ps3_sb_map_page(struct device *_dev, struct page *page,
 
 	result = ps3_dma_map(dev->d_region, (unsigned long)ptr, size,
 			     &bus_addr,
-			     IOPTE_PP_R | IOPTE_PP_W | IOPTE_SO_RW | IOPTE_M);
+			     CBE_IOPTE_PP_R | CBE_IOPTE_PP_W |
+			     CBE_IOPTE_SO_RW | CBE_IOPTE_M);
 
 	if (result) {
 		pr_debug("%s:%d: ps3_dma_map failed (%d)\n",
@@ -596,16 +599,16 @@ static dma_addr_t ps3_ioc0_map_page(struct device *_dev, struct page *page,
 	u64 iopte_flag;
 	void *ptr = page_address(page) + offset;
 
-	iopte_flag = IOPTE_M;
+	iopte_flag = CBE_IOPTE_M;
 	switch (direction) {
 	case DMA_BIDIRECTIONAL:
-		iopte_flag |= IOPTE_PP_R | IOPTE_PP_W | IOPTE_SO_RW;
+		iopte_flag |= CBE_IOPTE_PP_R | CBE_IOPTE_PP_W | CBE_IOPTE_SO_RW;
 		break;
 	case DMA_TO_DEVICE:
-		iopte_flag |= IOPTE_PP_R | IOPTE_SO_R;
+		iopte_flag |= CBE_IOPTE_PP_R | CBE_IOPTE_SO_R;
 		break;
 	case DMA_FROM_DEVICE:
-		iopte_flag |= IOPTE_PP_W | IOPTE_SO_RW;
+		iopte_flag |= CBE_IOPTE_PP_W | CBE_IOPTE_SO_RW;
 		break;
 	default:
 		/* not happned */
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 3ee01b4f425..661c8e02bcb 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -388,7 +388,7 @@ static void pci_dma_bus_setup_pSeries(struct pci_bus *bus)
 
 		while (pci->phb->dma_window_size * children > 0x80000000ul)
 			pci->phb->dma_window_size >>= 1;
-		pr_debug("No ISA/IDE, window size is 0x%lx\n",
+		pr_debug("No ISA/IDE, window size is 0x%llx\n",
 			 pci->phb->dma_window_size);
 		pci->phb->dma_window_base_cur = 0;
 
@@ -414,7 +414,7 @@ static void pci_dma_bus_setup_pSeries(struct pci_bus *bus)
 	while (pci->phb->dma_window_size * children > 0x70000000ul)
 		pci->phb->dma_window_size >>= 1;
 
-	pr_debug("ISA/IDE, window size is 0x%lx\n", pci->phb->dma_window_size);
+	pr_debug("ISA/IDE, window size is 0x%llx\n", pci->phb->dma_window_size);
 }
 
 
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 52a80e5840e..e3139fa5e55 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -609,3 +609,55 @@ void __init hpte_init_lpar(void)
 	ppc_md.flush_hash_range	= pSeries_lpar_flush_hash_range;
 	ppc_md.hpte_clear_all   = pSeries_lpar_hptab_clear;
 }
+
+#ifdef CONFIG_PPC_SMLPAR
+#define CMO_FREE_HINT_DEFAULT 1
+static int cmo_free_hint_flag = CMO_FREE_HINT_DEFAULT;
+
+static int __init cmo_free_hint(char *str)
+{
+	char *parm;
+	parm = strstrip(str);
+
+	if (strcasecmp(parm, "no") == 0 || strcasecmp(parm, "off") == 0) {
+		printk(KERN_INFO "cmo_free_hint: CMO free page hinting is not active.\n");
+		cmo_free_hint_flag = 0;
+		return 1;
+	}
+
+	cmo_free_hint_flag = 1;
+	printk(KERN_INFO "cmo_free_hint: CMO free page hinting is active.\n");
+
+	if (strcasecmp(parm, "yes") == 0 || strcasecmp(parm, "on") == 0)
+		return 1;
+
+	return 0;
+}
+
+__setup("cmo_free_hint=", cmo_free_hint);
+
+static void pSeries_set_page_state(struct page *page, int order,
+				   unsigned long state)
+{
+	int i, j;
+	unsigned long cmo_page_sz, addr;
+
+	cmo_page_sz = cmo_get_page_size();
+	addr = __pa((unsigned long)page_address(page));
+
+	for (i = 0; i < (1 << order); i++, addr += PAGE_SIZE) {
+		for (j = 0; j < PAGE_SIZE; j += cmo_page_sz)
+			plpar_hcall_norets(H_PAGE_INIT, state, addr + j, 0);
+	}
+}
+
+void arch_free_page(struct page *page, int order)
+{
+	if (!cmo_free_hint_flag || !firmware_has_feature(FW_FEATURE_CMO))
+		return;
+
+	pSeries_set_page_state(page, order, H_PAGE_SET_UNUSED);
+}
+EXPORT_SYMBOL(arch_free_page);
+
+#endif
diff --git a/arch/powerpc/platforms/pseries/rtasd.c b/arch/powerpc/platforms/pseries/rtasd.c
index afad9f5ac0a..b3cbac85592 100644
--- a/arch/powerpc/platforms/pseries/rtasd.c
+++ b/arch/powerpc/platforms/pseries/rtasd.c
@@ -19,7 +19,7 @@
 #include <linux/vmalloc.h>
 #include <linux/spinlock.h>
 #include <linux/cpu.h>
-#include <linux/delay.h>
+#include <linux/workqueue.h>
 
 #include <asm/uaccess.h>
 #include <asm/io.h>
@@ -387,36 +387,51 @@ static void do_event_scan(void)
 	} while(error == 0);
 }
 
-static void do_event_scan_all_cpus(long delay)
+static void rtas_event_scan(struct work_struct *w);
+DECLARE_DELAYED_WORK(event_scan_work, rtas_event_scan);
+
+/*
+ * Delay should be at least one second since some machines have problems if
+ * we call event-scan too quickly.
+ */
+static unsigned long event_scan_delay = 1*HZ;
+static int first_pass = 1;
+
+static void rtas_event_scan(struct work_struct *w)
 {
-	int cpu;
+	unsigned int cpu;
+
+	do_event_scan();
 
 	get_online_cpus();
-	cpu = first_cpu(cpu_online_map);
-	for (;;) {
-		set_cpus_allowed(current, cpumask_of_cpu(cpu));
-		do_event_scan();
-		set_cpus_allowed(current, CPU_MASK_ALL);
-
-		/* Drop hotplug lock, and sleep for the specified delay */
-		put_online_cpus();
-		msleep_interruptible(delay);
-		get_online_cpus();
-
-		cpu = next_cpu(cpu, cpu_online_map);
-		if (cpu == NR_CPUS)
-			break;
+
+	cpu = next_cpu(smp_processor_id(), cpu_online_map);
+	if (cpu == NR_CPUS) {
+		cpu = first_cpu(cpu_online_map);
+
+		if (first_pass) {
+			first_pass = 0;
+			event_scan_delay = 30*HZ/rtas_event_scan_rate;
+
+			if (surveillance_timeout != -1) {
+				pr_debug("rtasd: enabling surveillance\n");
+				enable_surveillance(surveillance_timeout);
+				pr_debug("rtasd: surveillance enabled\n");
+			}
+		}
 	}
+
+	schedule_delayed_work_on(cpu, &event_scan_work,
+		__round_jiffies_relative(event_scan_delay, cpu));
+
 	put_online_cpus();
 }
 
-static int rtasd(void *unused)
+static void start_event_scan(void)
 {
 	unsigned int err_type;
 	int rc;
 
-	daemonize("rtasd");
-
 	printk(KERN_DEBUG "RTAS daemon started\n");
 	pr_debug("rtasd: will sleep for %d milliseconds\n",
 		 (30000 / rtas_event_scan_rate));
@@ -434,22 +449,8 @@ static int rtasd(void *unused)
 		}
 	}
 
-	/* First pass. */
-	do_event_scan_all_cpus(1000);
-
-	if (surveillance_timeout != -1) {
-		pr_debug("rtasd: enabling surveillance\n");
-		enable_surveillance(surveillance_timeout);
-		pr_debug("rtasd: surveillance enabled\n");
-	}
-
-	/* Delay should be at least one second since some
-	 * machines have problems if we call event-scan too
-	 * quickly. */
-	for (;;)
-		do_event_scan_all_cpus(30000/rtas_event_scan_rate);
-
-	return -EINVAL;
+	schedule_delayed_work_on(first_cpu(cpu_online_map), &event_scan_work,
+				 event_scan_delay);
 }
 
 static int __init rtas_init(void)
@@ -487,8 +488,7 @@ static int __init rtas_init(void)
 	if (!entry)
 		printk(KERN_ERR "Failed to create error_log proc entry\n");
 
-	if (kernel_thread(rtasd, NULL, CLONE_FS) < 0)
-		printk(KERN_ERR "Failed to start RTAS daemon\n");
+	start_event_scan();
 
 	return 0;
 }
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index ec341707e41..8d75ea21296 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -63,6 +63,7 @@
 #include <asm/smp.h>
 #include <asm/firmware.h>
 #include <asm/eeh.h>
+#include <asm/pSeries_reconfig.h>
 
 #include "plpar_wrappers.h"
 #include "pseries.h"
@@ -254,6 +255,29 @@ static void __init pseries_discover_pic(void)
 	       " interrupt-controller\n");
 }
 
+static int pci_dn_reconfig_notifier(struct notifier_block *nb, unsigned long action, void *node)
+{
+	struct device_node *np = node;
+	struct pci_dn *pci = NULL;
+	int err = NOTIFY_OK;
+
+	switch (action) {
+	case PSERIES_RECONFIG_ADD:
+		pci = np->parent->data;
+		if (pci)
+			update_dn_pci_info(np, pci->phb);
+		break;
+	default:
+		err = NOTIFY_DONE;
+		break;
+	}
+	return err;
+}
+
+static struct notifier_block pci_dn_reconfig_nb = {
+	.notifier_call = pci_dn_reconfig_notifier,
+};
+
 static void __init pSeries_setup_arch(void)
 {
 	/* Discover PIC type and setup ppc_md accordingly */
@@ -271,6 +295,7 @@ static void __init pSeries_setup_arch(void)
 	/* Find and initialize PCI host bridges */
 	init_pci_config_tokens();
 	find_and_init_phbs();
+	pSeries_reconfig_notifier_register(&pci_dn_reconfig_nb);
 	eeh_init();
 
 	pSeries_nvram_init();