Merge branch 'linus' into timers/nohz

84 files changed, 2888 insertions, 560 deletions

diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 6abe91357ee..249ba01c667 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -17,6 +17,15 @@ config EBONY
 	help
 	  This option enables support for the IBM PPC440GP evaluation board.
 
+config SAM440EP
+        bool "Sam440ep"
+	depends on 44x
+        default n
+        select 440EP
+        select PCI
+        help
+          This option enables support for the ACube Sam440ep board.
+
 config SEQUOIA
 	bool "Sequoia"
 	depends on 44x
@@ -102,6 +111,22 @@ config YOSEMITE
 #	help
 #	  This option enables support for the IBM PPC440GX evaluation board.
 
+config XILINX_VIRTEX440_GENERIC_BOARD
+	bool "Generic Xilinx Virtex 440 board"
+	depends on 44x
+	default n
+	select XILINX_VIRTEX_5_FXT
+	help
+	  This option enables generic support for Xilinx Virtex based boards
+	  that use a 440 based processor in the Virtex 5 FXT FPGA architecture.
+
+	  The generic virtex board support matches any device tree which
+	  specifies 'xlnx,virtex440' in its compatible field.  This includes
+	  the Xilinx ML5xx reference designs using the powerpc core.
+
+	  Most Virtex 5 designs should use this unless it needs to do some
+	  special configuration at board probe time.
+
 # 44x specific CPU modules, selected based on the board above.
 config 440EP
 	bool
@@ -152,3 +177,13 @@ config 460EX
 # 44x errata/workaround config symbols, selected by the CPU models above
 config IBM440EP_ERR42
 	bool
+
+# Xilinx specific config options.
+config XILINX_VIRTEX
+	bool
+
+# Xilinx Virtex 5 FXT FPGA architecture, selected by a Xilinx board above
+config XILINX_VIRTEX_5_FXT
+	bool
+	select XILINX_VIRTEX
+
diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile
index 774165f9acd..8d0b1a192d6 100644
--- a/arch/powerpc/platforms/44x/Makefile
+++ b/arch/powerpc/platforms/44x/Makefile
@@ -3,9 +3,11 @@ obj-$(CONFIG_EBONY)	+= ebony.o
 obj-$(CONFIG_TAISHAN)	+= taishan.o
 obj-$(CONFIG_BAMBOO)	+= bamboo.o
 obj-$(CONFIG_YOSEMITE)	+= bamboo.o
+obj-$(CONFIG_SAM440EP) 	+= sam440ep.o
 obj-$(CONFIG_SEQUOIA)	+= sequoia.o
 obj-$(CONFIG_KATMAI)	+= katmai.o
 obj-$(CONFIG_RAINIER)	+= rainier.o
 obj-$(CONFIG_WARP)	+= warp.o
 obj-$(CONFIG_WARP)	+= warp-nand.o
 obj-$(CONFIG_CANYONLANDS) += canyonlands.o
+obj-$(CONFIG_XILINX_VIRTEX_5_FXT) += virtex.o
diff --git a/arch/powerpc/platforms/44x/sam440ep.c b/arch/powerpc/platforms/44x/sam440ep.c
new file mode 100644
index 00000000000..47f10e64773
--- /dev/null
+++ b/arch/powerpc/platforms/44x/sam440ep.c
@@ -0,0 +1,79 @@
+/*
+ * Sam440ep board specific routines based off bamboo.c code
+ * original copyrights below
+ *
+ * Wade Farnsworth <wfarnsworth@mvista.com>
+ * Copyright 2004 MontaVista Software Inc.
+ *
+ * Rewritten and ported to the merged powerpc tree:
+ * Josh Boyer <jwboyer@linux.vnet.ibm.com>
+ * Copyright 2007 IBM Corporation
+ *
+ * Modified from bamboo.c for sam440ep:
+ * Copyright 2008 Giuseppe Coviello <gicoviello@gmail.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/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>
+#include <linux/i2c.h>
+
+static __initdata struct of_device_id sam440ep_of_bus[] = {
+	{ .compatible = "ibm,plb4", },
+	{ .compatible = "ibm,opb", },
+	{ .compatible = "ibm,ebc", },
+	{},
+};
+
+static int __init sam440ep_device_probe(void)
+{
+	of_platform_bus_probe(NULL, sam440ep_of_bus, NULL);
+
+	return 0;
+}
+machine_device_initcall(sam440ep, sam440ep_device_probe);
+
+static int __init sam440ep_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	if (!of_flat_dt_is_compatible(root, "acube,sam440ep"))
+		return 0;
+
+	ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
+
+	return 1;
+}
+
+define_machine(sam440ep) {
+	.name 			= "Sam440ep",
+	.probe 			= sam440ep_probe,
+	.progress 		= udbg_progress,
+	.init_IRQ 		= uic_init_tree,
+	.get_irq 		= uic_get_irq,
+	.restart		= ppc4xx_reset_system,
+	.calibrate_decr 	= generic_calibrate_decr,
+};
+
+static struct i2c_board_info sam440ep_rtc_info = {
+	.type = "m41st85",
+	.addr = 0x68,
+	.irq = -1,
+};
+
+static int sam440ep_setup_rtc(void)
+{
+	return i2c_register_board_info(0, &sam440ep_rtc_info, 1);
+}
+machine_device_initcall(sam440ep, sam440ep_setup_rtc);
diff --git a/arch/powerpc/platforms/44x/virtex.c b/arch/powerpc/platforms/44x/virtex.c
new file mode 100644
index 00000000000..68637faf70a
--- /dev/null
+++ b/arch/powerpc/platforms/44x/virtex.c
@@ -0,0 +1,60 @@
+/*
+ * Xilinx Virtex 5FXT based board support, derived from
+ * the Xilinx Virtex (IIpro & 4FX) based board support
+ *
+ * Copyright 2007 Secret Lab Technologies Ltd.
+ * Copyright 2008 Xilinx, Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <linux/init.h>
+#include <linux/of_platform.h>
+#include <asm/machdep.h>
+#include <asm/prom.h>
+#include <asm/time.h>
+#include <asm/xilinx_intc.h>
+#include <asm/reg.h>
+#include <asm/ppc4xx.h>
+#include "44x.h"
+
+static struct of_device_id xilinx_of_bus_ids[] __initdata = {
+	{ .compatible = "simple-bus", },
+	{ .compatible = "xlnx,plb-v46-1.00.a", },
+	{ .compatible = "xlnx,plb-v46-1.02.a", },
+	{ .compatible = "xlnx,plb-v34-1.01.a", },
+	{ .compatible = "xlnx,plb-v34-1.02.a", },
+	{ .compatible = "xlnx,opb-v20-1.10.c", },
+	{ .compatible = "xlnx,dcr-v29-1.00.a", },
+	{ .compatible = "xlnx,compound", },
+	{}
+};
+
+static int __init virtex_device_probe(void)
+{
+	of_platform_bus_probe(NULL, xilinx_of_bus_ids, NULL);
+
+	return 0;
+}
+machine_device_initcall(virtex, virtex_device_probe);
+
+static int __init virtex_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	if (!of_flat_dt_is_compatible(root, "xlnx,virtex440"))
+		return 0;
+
+	return 1;
+}
+
+define_machine(virtex) {
+	.name			= "Xilinx Virtex440",
+	.probe			= virtex_probe,
+	.init_IRQ		= xilinx_intc_init_tree,
+	.get_irq		= xilinx_intc_get_irq,
+	.calibrate_decr		= generic_calibrate_decr,
+	.restart		= ppc4xx_reset_system,
+};
diff --git a/arch/powerpc/platforms/44x/warp-nand.c b/arch/powerpc/platforms/44x/warp-nand.c
index 9150318cfc5..e55746b824b 100644
--- a/arch/powerpc/platforms/44x/warp-nand.c
+++ b/arch/powerpc/platforms/44x/warp-nand.c
@@ -11,8 +11,10 @@
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/ndfc.h>
+#include <linux/of.h>
 #include <asm/machdep.h>
 
+
 #ifdef CONFIG_MTD_NAND_NDFC
 
 #define CS_NAND_0	1	/* use chip select 1 for NAND device 0 */
@@ -35,13 +37,23 @@ static struct mtd_partition nand_parts[] = {
 	{
 		.name   = "root",
 		.offset = 0x0200000,
-		.size   = 0x3400000
+		.size   = 0x3E00000
+	},
+	{
+		.name   = "persistent",
+		.offset = 0x4000000,
+		.size   = 0x4000000
 	},
 	{
-		.name   = "user",
-		.offset = 0x3600000,
-		.size   = 0x0A00000
+		.name   = "persistent1",
+		.offset = 0x8000000,
+		.size   = 0x4000000
 	},
+	{
+		.name   = "persistent2",
+		.offset = 0xC000000,
+		.size   = 0x4000000
+	}
 };
 
 struct ndfc_controller_settings warp_ndfc_settings = {
@@ -67,27 +79,22 @@ static struct platform_device warp_ndfc_device = {
 	.resource = &warp_ndfc,
 };
 
-static struct nand_ecclayout nand_oob_16 = {
-	.eccbytes = 3,
-	.eccpos = { 0, 1, 2, 3, 6, 7 },
-	.oobfree = { {.offset = 8, .length = 16} }
-};
-
+/* Do NOT set the ecclayout: let it default so it is correct for both
+ * 64M and 256M flash chips.
+ */
 static struct platform_nand_chip warp_nand_chip0 = {
 	.nr_chips = 1,
 	.chip_offset = CS_NAND_0,
 	.nr_partitions = ARRAY_SIZE(nand_parts),
 	.partitions = nand_parts,
-	.chip_delay = 50,
-	.ecclayout = &nand_oob_16,
+	.chip_delay = 20,
 	.priv = &warp_chip0_settings,
 };
 
 static struct platform_device warp_nand_device = {
 	.name = "ndfc-chip",
 	.id = 0,
-	.num_resources = 1,
-	.resource = &warp_ndfc,
+	.num_resources = 0,
 	.dev = {
 		.platform_data = &warp_nand_chip0,
 		.parent = &warp_ndfc_device.dev,
@@ -96,6 +103,28 @@ static struct platform_device warp_nand_device = {
 
 static int warp_setup_nand_flash(void)
 {
+	struct device_node *np;
+
+	/* Try to detect a rev A based on NOR size. */
+	np = of_find_compatible_node(NULL, NULL, "cfi-flash");
+	if (np) {
+		struct property *pp;
+
+		pp = of_find_property(np, "reg", NULL);
+		if (pp && (pp->length == 12)) {
+			u32 *v = pp->value;
+			if (v[2] == 0x4000000) {
+				/* Rev A = 64M NAND */
+				warp_nand_chip0.nr_partitions = 3;
+
+				nand_parts[1].size   = 0x3000000;
+				nand_parts[2].offset = 0x3200000;
+				nand_parts[2].size   = 0x0e00000;
+			}
+		}
+		of_node_put(np);
+	}
+
 	platform_device_register(&warp_ndfc_device);
 	platform_device_register(&warp_nand_device);
 
diff --git a/arch/powerpc/platforms/44x/warp.c b/arch/powerpc/platforms/44x/warp.c
index 39cf6150a72..9565995cba7 100644
--- a/arch/powerpc/platforms/44x/warp.c
+++ b/arch/powerpc/platforms/44x/warp.c
@@ -12,6 +12,9 @@
 #include <linux/init.h>
 #include <linux/of_platform.h>
 #include <linux/kthread.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
 
 #include <asm/machdep.h>
 #include <asm/prom.h>
@@ -27,6 +30,18 @@ static __initdata struct of_device_id warp_of_bus[] = {
 	{},
 };
 
+static __initdata struct i2c_board_info warp_i2c_info[] = {
+	{ I2C_BOARD_INFO("ad7414", 0x4a) }
+};
+
+static int __init warp_arch_init(void)
+{
+	/* This should go away once support is moved to the dts. */
+	i2c_register_board_info(0, warp_i2c_info, ARRAY_SIZE(warp_i2c_info));
+	return 0;
+}
+machine_arch_initcall(warp, warp_arch_init);
+
 static int __init warp_device_probe(void)
 {
 	of_platform_bus_probe(NULL, warp_of_bus, NULL);
@@ -52,61 +67,232 @@ define_machine(warp) {
 };
 
 
-#define LED_GREEN (0x80000000 >> 0)
-#define LED_RED   (0x80000000 >> 1)
+/* I am not sure this is the best place for this... */
+static int __init warp_post_info(void)
+{
+	struct device_node *np;
+	void __iomem *fpga;
+	u32 post1, post2;
+
+	/* Sighhhh... POST information is in the sd area. */
+	np = of_find_compatible_node(NULL, NULL, "pika,fpga-sd");
+	if (np == NULL)
+		return -ENOENT;
+
+	fpga = of_iomap(np, 0);
+	of_node_put(np);
+	if (fpga == NULL)
+		return -ENOENT;
+
+	post1 = in_be32(fpga + 0x40);
+	post2 = in_be32(fpga + 0x44);
+
+	iounmap(fpga);
+
+	if (post1 || post2)
+		printk(KERN_INFO "Warp POST %08x %08x\n", post1, post2);
+	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;
+
+
+struct dtm_shutdown {
+	struct list_head list;
+	void (*func)(void *arg);
+	void *arg;
+};
 
 
-/* This is for the power LEDs 1 = on, 0 = off, -1 = leave alone */
-void warp_set_power_leds(int green, int red)
+int pika_dtm_register_shutdown(void (*func)(void *arg), void *arg)
 {
-	static void __iomem *gpio_base = NULL;
-	unsigned leds;
-
-	if (gpio_base == NULL) {
-		struct device_node *np;
-
-		/* Power LEDS are on the second GPIO controller */
-		np = of_find_compatible_node(NULL, NULL, "ibm,gpio-440EP");
-		if (np)
-			np = of_find_compatible_node(np, NULL, "ibm,gpio-440EP");
-		if (np == NULL) {
-			printk(KERN_ERR __FILE__ ": Unable to find gpio\n");
-			return;
+	struct dtm_shutdown *shutdown;
+
+	shutdown = kmalloc(sizeof(struct dtm_shutdown), GFP_KERNEL);
+	if (shutdown == NULL)
+		return -ENOMEM;
+
+	shutdown->func = func;
+	shutdown->arg = arg;
+
+	list_add(&shutdown->list, &dtm_shutdown_list);
+
+	return 0;
+}
+
+int pika_dtm_unregister_shutdown(void (*func)(void *arg), void *arg)
+{
+	struct dtm_shutdown *shutdown;
+
+	list_for_each_entry(shutdown, &dtm_shutdown_list, list)
+		if (shutdown->func == func && shutdown->arg == arg) {
+			list_del(&shutdown->list);
+			kfree(shutdown);
+			return 0;
+		}
+
+	return -EINVAL;
+}
+
+static irqreturn_t temp_isr(int irq, void *context)
+{
+	struct dtm_shutdown *shutdown;
+
+	local_irq_disable();
+
+	/* 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");
+
+	while (1) {
+		if (dtm_fpga) {
+			unsigned reset = in_be32(dtm_fpga + 0x14);
+			out_be32(dtm_fpga + 0x14, reset);
 		}
 
-		gpio_base = of_iomap(np, 0);
-		of_node_put(np);
-		if (gpio_base == NULL) {
-			printk(KERN_ERR __FILE__ ": Unable to map gpio");
-			return;
+		if (gpio_base) {
+			unsigned leds = in_be32(gpio_base);
+
+			/* green off, red toggle */
+			leds &= ~0x80000000;
+			leds ^=  0x40000000;
+
+			out_be32(gpio_base, leds);
 		}
+
+		mdelay(500);
+	}
+}
+
+static int pika_setup_leds(void)
+{
+	struct device_node *np;
+	const u32 *gpios;
+	int len;
+
+	np = of_find_compatible_node(NULL, NULL, "linux,gpio-led");
+	if (!np) {
+		printk(KERN_ERR __FILE__ ": Unable to find gpio-led\n");
+		return -ENOENT;
 	}
 
-	leds = in_be32(gpio_base);
+	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);
+		return -ENOENT;
+	}
 
-	switch (green) {
-	case 0: leds &= ~LED_GREEN; break;
-	case 1: leds |=  LED_GREEN; break;
+	np = of_find_node_by_phandle(gpios[0]);
+	if (!np) {
+		printk(KERN_ERR __FILE__ ": Unable to find gpio\n");
+		return -ENOENT;
 	}
-	switch (red) {
-	case 0: leds &= ~LED_RED; break;
-	case 1: leds |=  LED_RED; break;
+
+	gpio_base = of_iomap(np, 0);
+	of_node_put(np);
+	if (!gpio_base) {
+		printk(KERN_ERR __FILE__ ": Unable to map gpio");
+		return -ENOMEM;
 	}
 
-	out_be32(gpio_base, leds);
+	return 0;
 }
-EXPORT_SYMBOL(warp_set_power_leds);
 
+static void pika_setup_critical_temp(struct i2c_client *client)
+{
+	struct device_node *np;
+	int irq, rc;
+
+	/* Do this before enabling critical temp interrupt since we
+	 * may immediately interrupt.
+	 */
+	pika_setup_leds();
+
+	/* These registers are in 1 degree increments. */
+	i2c_smbus_write_byte_data(client, 2, 65); /* Thigh */
+	i2c_smbus_write_byte_data(client, 3, 55); /* Tlow */
+
+	np = of_find_compatible_node(NULL, NULL, "adi,ad7414");
+	if (np == NULL) {
+		printk(KERN_ERR __FILE__ ": Unable to find ad7414\n");
+		return;
+	}
+
+	irq = irq_of_parse_and_map(np, 0);
+	of_node_put(np);
+	if (irq  == NO_IRQ) {
+		printk(KERN_ERR __FILE__ ": Unable to get ad7414 irq\n");
+		return;
+	}
+
+	rc = request_irq(irq, temp_isr, 0, "ad7414", NULL);
+	if (rc) {
+		printk(KERN_ERR __FILE__
+		       ": Unable to request ad7414 irq %d = %d\n", irq, rc);
+		return;
+	}
+}
+
+static inline void pika_dtm_check_fan(void __iomem *fpga)
+{
+	static int fan_state;
+	u32 fan = in_be32(fpga + 0x34) & (1 << 14);
+
+	if (fan_state != fan) {
+		fan_state = fan;
+		if (fan)
+			printk(KERN_WARNING "Fan rotation error detected."
+				   " Please check hardware.\n");
+	}
+}
 
-#ifdef CONFIG_SENSORS_AD7414
 static int pika_dtm_thread(void __iomem *fpga)
 {
-	extern int ad7414_get_temp(int index);
+	struct i2c_adapter *adap;
+	struct i2c_client *client;
+
+	/* We loop in case either driver was compiled as a module and
+	 * has not been insmoded yet.
+	 */
+	while (!(adap = i2c_get_adapter(0))) {
+		set_current_state(TASK_INTERRUPTIBLE);
+		schedule_timeout(HZ);
+	}
+
+	while (1) {
+		list_for_each_entry(client, &adap->clients, list)
+			if (client->addr == 0x4a)
+				goto found_it;
+
+		set_current_state(TASK_INTERRUPTIBLE);
+		schedule_timeout(HZ);
+	}
+
+found_it:
+	i2c_put_adapter(adap);
+
+	pika_setup_critical_temp(client);
+
+	printk(KERN_INFO "PIKA DTM thread running.\n");
 
 	while (!kthread_should_stop()) {
-		int temp = ad7414_get_temp(0);
+		u16 temp = swab16(i2c_smbus_read_word_data(client, 0));
+		out_be32(fpga + 0x20, temp);
 
-		out_be32(fpga, temp);
+		pika_dtm_check_fan(fpga);
 
 		set_current_state(TASK_INTERRUPTIBLE);
 		schedule_timeout(HZ);
@@ -115,37 +301,44 @@ static int pika_dtm_thread(void __iomem *fpga)
 	return 0;
 }
 
+
 static int __init pika_dtm_start(void)
 {
 	struct task_struct *dtm_thread;
 	struct device_node *np;
-	struct resource res;
-	void __iomem *fpga;
 
 	np = of_find_compatible_node(NULL, NULL, "pika,fpga");
 	if (np == NULL)
 		return -ENOENT;
 
-	/* We do not call of_iomap here since it would map in the entire
-	 * fpga space, which is over 8k.
-	 */
-	if (of_address_to_resource(np, 0, &res)) {
-		of_node_put(np);
-		return -ENOENT;
-	}
+	dtm_fpga = of_iomap(np, 0);
 	of_node_put(np);
-
-	fpga = ioremap(res.start, 0x24);
-	if (fpga == NULL)
+	if (dtm_fpga == NULL)
 		return -ENOENT;
 
-	dtm_thread = kthread_run(pika_dtm_thread, fpga + 0x20, "pika-dtm");
+	dtm_thread = kthread_run(pika_dtm_thread, dtm_fpga, "pika-dtm");
 	if (IS_ERR(dtm_thread)) {
-		iounmap(fpga);
+		iounmap(dtm_fpga);
 		return PTR_ERR(dtm_thread);
 	}
 
 	return 0;
 }
-device_initcall(pika_dtm_start);
+machine_late_initcall(warp, pika_dtm_start);
+
+#else /* !CONFIG_SENSORS_AD7414 */
+
+int pika_dtm_register_shutdown(void (*func)(void *arg), void *arg)
+{
+	return 0;
+}
+
+int pika_dtm_unregister_shutdown(void (*func)(void *arg), void *arg)
+{
+	return 0;
+}
+
 #endif
+
+EXPORT_SYMBOL(pika_dtm_register_shutdown);
+EXPORT_SYMBOL(pika_dtm_unregister_shutdown);
diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig
index 4c0da0c079e..c62f893ede1 100644
--- a/arch/powerpc/platforms/512x/Kconfig
+++ b/arch/powerpc/platforms/512x/Kconfig
@@ -2,18 +2,29 @@ config PPC_MPC512x
 	bool
 	select FSL_SOC
 	select IPIC
-	default n
+	select PPC_CLOCK
 
 config PPC_MPC5121
 	bool
 	select PPC_MPC512x
-	default n
 
 config MPC5121_ADS
 	bool "Freescale MPC5121E ADS"
 	depends on PPC_MULTIPLATFORM && PPC32
 	select DEFAULT_UIMAGE
 	select PPC_MPC5121
+	select MPC5121_ADS_CPLD
 	help
 	  This option enables support for the MPC5121E ADS board.
-	default n
+
+config MPC5121_GENERIC
+	bool "Generic support for simple MPC5121 based boards"
+	depends on PPC_MULTIPLATFORM && PPC32
+	select DEFAULT_UIMAGE
+	select PPC_MPC5121
+	help
+	  This option enables support for simple MPC5121 based boards
+	  which do not need custom platform specific setup.
+
+	  Compatible boards include:  Protonic LVT base boards (ZANMCU
+	  and VICVT2).
diff --git a/arch/powerpc/platforms/512x/Makefile b/arch/powerpc/platforms/512x/Makefile
index 232c89f2039..90be2f5717e 100644
--- a/arch/powerpc/platforms/512x/Makefile
+++ b/arch/powerpc/platforms/512x/Makefile
@@ -1,4 +1,6 @@
 #
 # Makefile for the Freescale PowerPC 512x linux kernel.
 #
-obj-$(CONFIG_MPC5121_ADS)	+= mpc5121_ads.o
+obj-y				+= clock.o mpc512x_shared.o
+obj-$(CONFIG_MPC5121_ADS)	+= mpc5121_ads.o mpc5121_ads_cpld.o
+obj-$(CONFIG_MPC5121_GENERIC)	+= mpc5121_generic.o
diff --git a/arch/powerpc/platforms/512x/clock.c b/arch/powerpc/platforms/512x/clock.c
new file mode 100644
index 00000000000..f416014ee72
--- /dev/null
+++ b/arch/powerpc/platforms/512x/clock.c
@@ -0,0 +1,729 @@
+/*
+ * Copyright (C) 2007,2008 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * Author: John Rigby <jrigby@freescale.com>
+ *
+ * Implements the clk api defined in include/linux/clk.h
+ *
+ *    Original based on linux/arch/arm/mach-integrator/clock.c
+ *
+ *    Copyright (C) 2004 ARM Limited.
+ *    Written by Deep Blue Solutions Limited.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/string.h>
+#include <linux/clk.h>
+#include <linux/mutex.h>
+#include <linux/io.h>
+
+#include <linux/of_platform.h>
+#include <asm/mpc512x.h>
+#include <asm/clk_interface.h>
+
+#undef CLK_DEBUG
+
+static int clocks_initialized;
+
+#define CLK_HAS_RATE	0x1	/* has rate in MHz */
+#define CLK_HAS_CTRL	0x2	/* has control reg and bit */
+
+struct clk {
+	struct list_head node;
+	char name[32];
+	int flags;
+	struct device *dev;
+	unsigned long rate;
+	struct module *owner;
+	void (*calc) (struct clk *);
+	struct clk *parent;
+	int reg, bit;		/* CLK_HAS_CTRL */
+	int div_shift;		/* only used by generic_div_clk_calc */
+};
+
+static LIST_HEAD(clocks);
+static DEFINE_MUTEX(clocks_mutex);
+
+static struct clk *mpc5121_clk_get(struct device *dev, const char *id)
+{
+	struct clk *p, *clk = ERR_PTR(-ENOENT);
+	int dev_match = 0;
+	int id_match = 0;
+
+	if (dev == NULL && id == NULL)
+		return NULL;
+
+	mutex_lock(&clocks_mutex);
+	list_for_each_entry(p, &clocks, node) {
+		if (dev && dev == p->dev)
+			dev_match++;
+		if (strcmp(id, p->name) == 0)
+			id_match++;
+		if ((dev_match || id_match) && try_module_get(p->owner)) {
+			clk = p;
+			break;
+		}
+	}
+	mutex_unlock(&clocks_mutex);
+
+	return clk;
+}
+
+#ifdef CLK_DEBUG
+static void dump_clocks(void)
+{
+	struct clk *p;
+
+	mutex_lock(&clocks_mutex);
+	printk(KERN_INFO "CLOCKS:\n");
+	list_for_each_entry(p, &clocks, node) {
+		printk(KERN_INFO "  %s %ld", p->name, p->rate);
+		if (p->parent)
+			printk(KERN_INFO " %s %ld", p->parent->name,
+			       p->parent->rate);
+		if (p->flags & CLK_HAS_CTRL)
+			printk(KERN_INFO " reg/bit %d/%d", p->reg, p->bit);
+		printk("\n");
+	}
+	mutex_unlock(&clocks_mutex);
+}
+#define	DEBUG_CLK_DUMP() dump_clocks()
+#else
+#define	DEBUG_CLK_DUMP()
+#endif
+
+
+static void mpc5121_clk_put(struct clk *clk)
+{
+	module_put(clk->owner);
+}
+
+#define NRPSC 12
+
+struct mpc512x_clockctl {
+	u32 spmr;		/* System PLL Mode Reg */
+	u32 sccr[2];		/* System Clk Ctrl Reg 1 & 2 */
+	u32 scfr1;		/* System Clk Freq Reg 1 */
+	u32 scfr2;		/* System Clk Freq Reg 2 */
+	u32 reserved;
+	u32 bcr;		/* Bread Crumb Reg */
+	u32 pccr[NRPSC];	/* PSC Clk Ctrl Reg 0-11 */
+	u32 spccr;		/* SPDIF Clk Ctrl Reg */
+	u32 cccr;		/* CFM Clk Ctrl Reg */
+	u32 dccr;		/* DIU Clk Cnfg Reg */
+};
+
+struct mpc512x_clockctl __iomem *clockctl;
+
+static int mpc5121_clk_enable(struct clk *clk)
+{
+	unsigned int mask;
+
+	if (clk->flags & CLK_HAS_CTRL) {
+		mask = in_be32(&clockctl->sccr[clk->reg]);
+		mask |= 1 << clk->bit;
+		out_be32(&clockctl->sccr[clk->reg], mask);
+	}
+	return 0;
+}
+
+static void mpc5121_clk_disable(struct clk *clk)
+{
+	unsigned int mask;
+
+	if (clk->flags & CLK_HAS_CTRL) {
+		mask = in_be32(&clockctl->sccr[clk->reg]);
+		mask &= ~(1 << clk->bit);
+		out_be32(&clockctl->sccr[clk->reg], mask);
+	}
+}
+
+static unsigned long mpc5121_clk_get_rate(struct clk *clk)
+{
+	if (clk->flags & CLK_HAS_RATE)
+		return clk->rate;
+	else
+		return 0;
+}
+
+static long mpc5121_clk_round_rate(struct clk *clk, unsigned long rate)
+{
+	return rate;
+}
+
+static int mpc5121_clk_set_rate(struct clk *clk, unsigned long rate)
+{
+	return 0;
+}
+
+static int clk_register(struct clk *clk)
+{
+	mutex_lock(&clocks_mutex);
+	list_add(&clk->node, &clocks);
+	mutex_unlock(&clocks_mutex);
+	return 0;
+}
+
+static unsigned long spmf_mult(void)
+{
+	/*
+	 * Convert spmf to multiplier
+	 */
+	static int spmf_to_mult[] = {
+		68, 1, 12, 16,
+		20, 24, 28, 32,
+		36, 40, 44, 48,
+		52, 56, 60, 64
+	};
+	int spmf = (clockctl->spmr >> 24) & 0xf;
+	return spmf_to_mult[spmf];
+}
+
+static unsigned long sysdiv_div_x_2(void)
+{
+	/*
+	 * Convert sysdiv to divisor x 2
+	 * Some divisors have fractional parts so
+	 * multiply by 2 then divide by this value
+	 */
+	static int sysdiv_to_div_x_2[] = {
+		4, 5, 6, 7,
+		8, 9, 10, 14,
+		12, 16, 18, 22,
+		20, 24, 26, 30,
+		28, 32, 34, 38,
+		36, 40, 42, 46,
+		44, 48, 50, 54,
+		52, 56, 58, 62,
+		60, 64, 66,
+	};
+	int sysdiv = (clockctl->scfr2 >> 26) & 0x3f;
+	return sysdiv_to_div_x_2[sysdiv];
+}
+
+static unsigned long ref_to_sys(unsigned long rate)
+{
+	rate *= spmf_mult();
+	rate *= 2;
+	rate /= sysdiv_div_x_2();
+
+	return rate;
+}
+
+static unsigned long sys_to_ref(unsigned long rate)
+{
+	rate *= sysdiv_div_x_2();
+	rate /= 2;
+	rate /= spmf_mult();
+
+	return rate;
+}
+
+static long ips_to_ref(unsigned long rate)
+{
+	int ips_div = (clockctl->scfr1 >> 23) & 0x7;
+
+	rate *= ips_div;	/* csb_clk = ips_clk * ips_div */
+	rate *= 2;		/* sys_clk = csb_clk * 2 */
+	return sys_to_ref(rate);
+}
+
+static unsigned long devtree_getfreq(char *clockname)
+{
+	struct device_node *np;
+	const unsigned int *prop;
+	unsigned int val = 0;
+
+	np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-immr");
+	if (np) {
+		prop = of_get_property(np, clockname, NULL);
+		if (prop)
+			val = *prop;
+	    of_node_put(np);
+	}
+	return val;
+}
+
+static void ref_clk_calc(struct clk *clk)
+{
+	unsigned long rate;
+
+	rate = devtree_getfreq("bus-frequency");
+	if (rate == 0) {
+		printk(KERN_ERR "No bus-frequency in dev tree\n");
+		clk->rate = 0;
+		return;
+	}
+	clk->rate = ips_to_ref(rate);
+}
+
+static struct clk ref_clk = {
+	.name = "ref_clk",
+	.calc = ref_clk_calc,
+};
+
+
+static void sys_clk_calc(struct clk *clk)
+{
+	clk->rate = ref_to_sys(ref_clk.rate);
+}
+
+static struct clk sys_clk = {
+	.name = "sys_clk",
+	.calc = sys_clk_calc,
+};
+
+static void diu_clk_calc(struct clk *clk)
+{
+	int diudiv_x_2 = clockctl->scfr1 & 0xff;
+	unsigned long rate;
+
+	rate = sys_clk.rate;
+
+	rate *= 2;
+	rate /= diudiv_x_2;
+
+	clk->rate = rate;
+}
+
+static void half_clk_calc(struct clk *clk)
+{
+	clk->rate = clk->parent->rate / 2;
+}
+
+static void generic_div_clk_calc(struct clk *clk)
+{
+	int div = (clockctl->scfr1 >> clk->div_shift) & 0x7;
+
+	clk->rate = clk->parent->rate / div;
+}
+
+static void unity_clk_calc(struct clk *clk)
+{
+	clk->rate = clk->parent->rate;
+}
+
+static struct clk csb_clk = {
+	.name = "csb_clk",
+	.calc = half_clk_calc,
+	.parent = &sys_clk,
+};
+
+static void e300_clk_calc(struct clk *clk)
+{
+	int spmf = (clockctl->spmr >> 16) & 0xf;
+	int ratex2 = clk->parent->rate * spmf;
+
+	clk->rate = ratex2 / 2;
+}
+
+static struct clk e300_clk = {
+	.name = "e300_clk",
+	.calc = e300_clk_calc,
+	.parent = &csb_clk,
+};
+
+static struct clk ips_clk = {
+	.name = "ips_clk",
+	.calc = generic_div_clk_calc,
+	.parent = &csb_clk,
+	.div_shift = 23,
+};
+
+/*
+ * Clocks controlled by SCCR1 (.reg = 0)
+ */
+static struct clk lpc_clk = {
+	.name = "lpc_clk",
+	.flags = CLK_HAS_CTRL,
+	.reg = 0,
+	.bit = 30,
+	.calc = generic_div_clk_calc,
+	.parent = &ips_clk,
+	.div_shift = 11,
+};
+
+static struct clk nfc_clk = {
+	.name = "nfc_clk",
+	.flags = CLK_HAS_CTRL,
+	.reg = 0,
+	.bit = 29,
+	.calc = generic_div_clk_calc,
+	.parent = &ips_clk,
+	.div_shift = 8,
+};
+
+static struct clk pata_clk = {
+	.name = "pata_clk",
+	.flags = CLK_HAS_CTRL,
+	.reg = 0,
+	.bit = 28,
+	.calc = unity_clk_calc,
+	.parent = &ips_clk,
+};
+
+/*
+ * PSC clocks (bits 27 - 16)
+ * are setup elsewhere
+ */
+
+static struct clk sata_clk = {
+	.name = "sata_clk",
+	.flags = CLK_HAS_CTRL,
+	.reg = 0,
+	.bit = 14,
+	.calc = unity_clk_calc,
+	.parent = &ips_clk,
+};
+
+static struct clk fec_clk = {
+	.name = "fec_clk",
+	.flags = CLK_HAS_CTRL,
+	.reg = 0,
+	.bit = 13,
+	.calc = unity_clk_calc,
+	.parent = &ips_clk,
+};
+
+static struct clk pci_clk = {
+	.name = "pci_clk",
+	.flags = CLK_HAS_CTRL,
+	.reg = 0,
+	.bit = 11,
+	.calc = generic_div_clk_calc,
+	.parent = &csb_clk,
+	.div_shift = 20,
+};
+
+/*
+ * Clocks controlled by SCCR2 (.reg = 1)
+ */
+static struct clk diu_clk = {
+	.name = "diu_clk",
+	.flags = CLK_HAS_CTRL,
+	.reg = 1,
+	.bit = 31,
+	.calc = diu_clk_calc,
+};
+
+static struct clk axe_clk = {
+	.name = "axe_clk",
+	.flags = CLK_HAS_CTRL,
+	.reg = 1,
+	.bit = 30,
+	.calc = unity_clk_calc,
+	.parent = &csb_clk,
+};
+
+static struct clk usb1_clk = {
+	.name = "usb1_clk",
+	.flags = CLK_HAS_CTRL,
+	.reg = 1,
+	.bit = 28,
+	.calc = unity_clk_calc,
+	.parent = &csb_clk,
+};
+
+static struct clk usb2_clk = {
+	.name = "usb2_clk",
+	.flags = CLK_HAS_CTRL,
+	.reg = 1,
+	.bit = 27,
+	.calc = unity_clk_calc,
+	.parent = &csb_clk,
+};
+
+static struct clk i2c_clk = {
+	.name = "i2c_clk",
+	.flags = CLK_HAS_CTRL,
+	.reg = 1,
+	.bit = 26,
+	.calc = unity_clk_calc,
+	.parent = &ips_clk,
+};
+
+static struct clk mscan_clk = {
+	.name = "mscan_clk",
+	.flags = CLK_HAS_CTRL,
+	.reg = 1,
+	.bit = 25,
+	.calc = unity_clk_calc,
+	.parent = &ips_clk,
+};
+
+static struct clk sdhc_clk = {
+	.name = "sdhc_clk",
+	.flags = CLK_HAS_CTRL,
+	.reg = 1,
+	.bit = 24,
+	.calc = unity_clk_calc,
+	.parent = &ips_clk,
+};
+
+static struct clk mbx_bus_clk = {
+	.name = "mbx_bus_clk",
+	.flags = CLK_HAS_CTRL,
+	.reg = 1,
+	.bit = 22,
+	.calc = half_clk_calc,
+	.parent = &csb_clk,
+};
+
+static struct clk mbx_clk = {
+	.name = "mbx_clk",
+	.flags = CLK_HAS_CTRL,
+	.reg = 1,
+	.bit = 21,
+	.calc = unity_clk_calc,
+	.parent = &csb_clk,
+};
+
+static struct clk mbx_3d_clk = {
+	.name = "mbx_3d_clk",
+	.flags = CLK_HAS_CTRL,
+	.reg = 1,
+	.bit = 20,
+	.calc = generic_div_clk_calc,
+	.parent = &mbx_bus_clk,
+	.div_shift = 14,
+};
+
+static void psc_mclk_in_calc(struct clk *clk)
+{
+	clk->rate = devtree_getfreq("psc_mclk_in");
+	if (!clk->rate)
+		clk->rate = 25000000;
+}
+
+static struct clk psc_mclk_in = {
+	.name = "psc_mclk_in",
+	.calc = psc_mclk_in_calc,
+};
+
+static struct clk spdif_txclk = {
+	.name = "spdif_txclk",
+	.flags = CLK_HAS_CTRL,
+	.reg = 1,
+	.bit = 23,
+};
+
+static struct clk spdif_rxclk = {
+	.name = "spdif_rxclk",
+	.flags = CLK_HAS_CTRL,
+	.reg = 1,
+	.bit = 23,
+};
+
+static void ac97_clk_calc(struct clk *clk)
+{
+	/* ac97 bit clock is always 24.567 MHz */
+	clk->rate = 24567000;
+}
+
+static struct clk ac97_clk = {
+	.name = "ac97_clk_in",
+	.calc = ac97_clk_calc,
+};
+
+struct clk *rate_clks[] = {
+	&ref_clk,
+	&sys_clk,
+	&diu_clk,
+	&csb_clk,
+	&e300_clk,
+	&ips_clk,
+	&fec_clk,
+	&sata_clk,
+	&pata_clk,
+	&nfc_clk,
+	&lpc_clk,
+	&mbx_bus_clk,
+	&mbx_clk,
+	&mbx_3d_clk,
+	&axe_clk,
+	&usb1_clk,
+	&usb2_clk,
+	&i2c_clk,
+	&mscan_clk,
+	&sdhc_clk,
+	&pci_clk,
+	&psc_mclk_in,
+	&spdif_txclk,
+	&spdif_rxclk,
+	&ac97_clk,
+	NULL
+};
+
+static void rate_clk_init(struct clk *clk)
+{
+	if (clk->calc) {
+		clk->calc(clk);
+		clk->flags |= CLK_HAS_RATE;
+		clk_register(clk);
+	} else {
+		printk(KERN_WARNING
+		       "Could not initialize clk %s without a calc routine\n",
+		       clk->name);
+	}
+}
+
+static void rate_clks_init(void)
+{
+	struct clk **cpp, *clk;
+
+	cpp = rate_clks;
+	while ((clk = *cpp++))
+		rate_clk_init(clk);
+}
+
+/*
+ * There are two clk enable registers with 32 enable bits each
+ * psc clocks and device clocks are all stored in dev_clks
+ */
+struct clk dev_clks[2][32];
+
+/*
+ * Given a psc number return the dev_clk
+ * associated with it
+ */
+static struct clk *psc_dev_clk(int pscnum)
+{
+	int reg, bit;
+	struct clk *clk;
+
+	reg = 0;
+	bit = 27 - pscnum;
+
+	clk = &dev_clks[reg][bit];
+	clk->reg = 0;
+	clk->bit = bit;
+	return clk;
+}
+
+/*
+ * PSC clock rate calculation
+ */
+static void psc_calc_rate(struct clk *clk, int pscnum, struct device_node *np)
+{
+	unsigned long mclk_src = sys_clk.rate;
+	unsigned long mclk_div;
+
+	/*
+	 * Can only change value of mclk divider
+	 * when the divider is disabled.
+	 *
+	 * Zero is not a valid divider so minimum
+	 * divider is 1
+	 *
+	 * disable/set divider/enable
+	 */
+	out_be32(&clockctl->pccr[pscnum], 0);
+	out_be32(&clockctl->pccr[pscnum], 0x00020000);
+	out_be32(&clockctl->pccr[pscnum], 0x00030000);
+
+	if (clockctl->pccr[pscnum] & 0x80) {
+		clk->rate = spdif_rxclk.rate;
+		return;
+	}
+
+	switch ((clockctl->pccr[pscnum] >> 14) & 0x3) {
+	case 0:
+		mclk_src = sys_clk.rate;
+		break;
+	case 1:
+		mclk_src = ref_clk.rate;
+		break;
+	case 2:
+		mclk_src = psc_mclk_in.rate;
+		break;
+	case 3:
+		mclk_src = spdif_txclk.rate;
+		break;
+	}
+
+	mclk_div = ((clockctl->pccr[pscnum] >> 17) & 0x7fff) + 1;
+	clk->rate = mclk_src / mclk_div;
+}
+
+/*
+ * Find all psc nodes in device tree and assign a clock
+ * with name "psc%d_mclk" and dev pointing at the device
+ * returned from of_find_device_by_node
+ */
+static void psc_clks_init(void)
+{
+	struct device_node *np;
+	const u32 *cell_index;
+	struct of_device *ofdev;
+
+	for_each_compatible_node(np, NULL, "fsl,mpc5121-psc") {
+		cell_index = of_get_property(np, "cell-index", NULL);
+		if (cell_index) {
+			int pscnum = *cell_index;
+			struct clk *clk = psc_dev_clk(pscnum);
+
+			clk->flags = CLK_HAS_RATE | CLK_HAS_CTRL;
+			ofdev = of_find_device_by_node(np);
+			clk->dev = &ofdev->dev;
+			/*
+			 * AC97 is special rate clock does
+			 * not go through normal path
+			 */
+			if (strcmp("ac97", np->name) == 0)
+				clk->rate = ac97_clk.rate;
+			else
+				psc_calc_rate(clk, pscnum, np);
+			sprintf(clk->name, "psc%d_mclk", pscnum);
+			clk_register(clk);
+			clk_enable(clk);
+		}
+	}
+}
+
+static struct clk_interface mpc5121_clk_functions = {
+	.clk_get		= mpc5121_clk_get,
+	.clk_enable		= mpc5121_clk_enable,
+	.clk_disable		= mpc5121_clk_disable,
+	.clk_get_rate		= mpc5121_clk_get_rate,
+	.clk_put		= mpc5121_clk_put,
+	.clk_round_rate		= mpc5121_clk_round_rate,
+	.clk_set_rate		= mpc5121_clk_set_rate,
+	.clk_set_parent		= NULL,
+	.clk_get_parent		= NULL,
+};
+
+static int
+mpc5121_clk_init(void)
+{
+	struct device_node *np;
+
+	np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-clock");
+	if (np) {
+		clockctl = of_iomap(np, 0);
+		of_node_put(np);
+	}
+
+	if (!clockctl) {
+		printk(KERN_ERR "Could not map clock control registers\n");
+		return 0;
+	}
+
+	rate_clks_init();
+	psc_clks_init();
+
+	/* leave clockctl mapped forever */
+	/*iounmap(clockctl); */
+	DEBUG_CLK_DUMP();
+	clocks_initialized++;
+	clk_functions = mpc5121_clk_functions;
+	return 0;
+}
+
+
+arch_initcall(mpc5121_clk_init);
diff --git a/arch/powerpc/platforms/512x/mpc5121_ads.c b/arch/powerpc/platforms/512x/mpc5121_ads.c
index 50bd3a31902..5ebf6939a69 100644
--- a/arch/powerpc/platforms/512x/mpc5121_ads.c
+++ b/arch/powerpc/platforms/512x/mpc5121_ads.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
+ * Copyright (C) 2007, 2008 Freescale Semiconductor, Inc. All rights reserved.
  *
  * Author: John Rigby, <jrigby@freescale.com>, Thur Mar 29 2007
  *
@@ -15,7 +15,6 @@
 
 #include <linux/kernel.h>
 #include <linux/io.h>
-#include <linux/irq.h>
 #include <linux/of_platform.h>
 
 #include <asm/machdep.h>
@@ -23,65 +22,22 @@
 #include <asm/prom.h>
 #include <asm/time.h>
 
-/**
- * 	mpc512x_find_ips_freq - Find the IPS bus frequency for a device
- * 	@node:	device node
- *
- * 	Returns IPS bus frequency, or 0 if the bus frequency cannot be found.
- */
-unsigned long
-mpc512x_find_ips_freq(struct device_node *node)
-{
-	struct device_node *np;
-	const unsigned int *p_ips_freq = NULL;
-
-	of_node_get(node);
-	while (node) {
-		p_ips_freq = of_get_property(node, "bus-frequency", NULL);
-		if (p_ips_freq)
-			break;
-
-		np = of_get_parent(node);
-		of_node_put(node);
-		node = np;
-	}
-	if (node)
-		of_node_put(node);
-
-	return p_ips_freq ? *p_ips_freq : 0;
-}
-EXPORT_SYMBOL(mpc512x_find_ips_freq);
-
-static struct of_device_id __initdata of_bus_ids[] = {
-	{ .name = "soc", },
-	{ .name = "localbus", },
-	{},
-};
+#include "mpc512x.h"
+#include "mpc5121_ads.h"
 
-static void __init mpc5121_ads_declare_of_platform_devices(void)
+static void __init mpc5121_ads_setup_arch(void)
 {
-	/* Find every child of the SOC node and add it to of_platform */
-	if (of_platform_bus_probe(NULL, of_bus_ids, NULL))
-		printk(KERN_ERR __FILE__ ": "
-			"Error while probing of_platform bus\n");
+	printk(KERN_INFO "MPC5121 ADS board from Freescale Semiconductor\n");
+	/*
+	 * cpld regs are needed early
+	 */
+	mpc5121_ads_cpld_map();
 }
 
 static void __init mpc5121_ads_init_IRQ(void)
 {
-	struct device_node *np;
-
-	np = of_find_compatible_node(NULL, NULL, "fsl,ipic");
-	if (!np)
-		return;
-
-	ipic_init(np, 0);
-	of_node_put(np);
-
-	/*
-	 * Initialize the default interrupt mapping priorities,
-	 * in case the boot rom changed something on us.
-	 */
-	ipic_set_default_priority();
+	mpc512x_init_IRQ();
+	mpc5121_ads_cpld_pic_init();
 }
 
 /*
@@ -97,7 +53,8 @@ static int __init mpc5121_ads_probe(void)
 define_machine(mpc5121_ads) {
 	.name			= "MPC5121 ADS",
 	.probe			= mpc5121_ads_probe,
-	.init			= mpc5121_ads_declare_of_platform_devices,
+	.setup_arch		= mpc5121_ads_setup_arch,
+	.init			= mpc512x_declare_of_platform_devices,
 	.init_IRQ		= mpc5121_ads_init_IRQ,
 	.get_irq		= ipic_get_irq,
 	.calibrate_decr		= generic_calibrate_decr,
diff --git a/arch/powerpc/platforms/512x/mpc5121_ads.h b/arch/powerpc/platforms/512x/mpc5121_ads.h
new file mode 100644
index 00000000000..662076cfee2
--- /dev/null
+++ b/arch/powerpc/platforms/512x/mpc5121_ads.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2008 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * 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.
+ *
+ * Prototypes for ADS5121 specific code
+ */
+
+#ifndef __MPC512ADS_H__
+#define __MPC512ADS_H__
+extern void __init mpc5121_ads_cpld_map(void);
+extern void __init mpc5121_ads_cpld_pic_init(void);
+#endif				/* __MPC512ADS_H__ */
diff --git a/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c
new file mode 100644
index 00000000000..a6ce8056662
--- /dev/null
+++ b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c
@@ -0,0 +1,204 @@
+/*
+ * Copyright (C) 2008 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * Author: John Rigby, <jrigby@freescale.com>
+ *
+ * Description:
+ * MPC5121ADS CPLD irq handling
+ *
+ * This 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.
+ */
+
+#undef DEBUG
+
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <asm/prom.h>
+
+static struct device_node *cpld_pic_node;
+static struct irq_host *cpld_pic_host;
+
+/*
+ * Bits to ignore in the misc_status register
+ * 0x10 touch screen pendown is hard routed to irq1
+ * 0x02 pci status is read from pci status register
+ */
+#define MISC_IGNORE 0x12
+
+/*
+ * Nothing to ignore in pci status register
+ */
+#define PCI_IGNORE 0x00
+
+struct cpld_pic {
+	u8 pci_mask;
+	u8 pci_status;
+	u8 route;
+	u8 misc_mask;
+	u8 misc_status;
+	u8 misc_control;
+};
+
+static struct cpld_pic __iomem *cpld_regs;
+
+static void __iomem *
+irq_to_pic_mask(unsigned int irq)
+{
+	return irq <= 7 ? &cpld_regs->pci_mask : &cpld_regs->misc_mask;
+}
+
+static unsigned int
+irq_to_pic_bit(unsigned int irq)
+{
+	return 1 << (irq & 0x7);
+}
+
+static void
+cpld_mask_irq(unsigned int irq)
+{
+	unsigned int cpld_irq = (unsigned int)irq_map[irq].hwirq;
+	void __iomem *pic_mask = irq_to_pic_mask(cpld_irq);
+
+	out_8(pic_mask,
+	      in_8(pic_mask) | irq_to_pic_bit(cpld_irq));
+}
+
+static void
+cpld_unmask_irq(unsigned int irq)
+{
+	unsigned int cpld_irq = (unsigned int)irq_map[irq].hwirq;
+	void __iomem *pic_mask = irq_to_pic_mask(cpld_irq);
+
+	out_8(pic_mask,
+	      in_8(pic_mask) & ~irq_to_pic_bit(cpld_irq));
+}
+
+static struct irq_chip cpld_pic = {
+	.typename = " CPLD PIC ",
+	.mask = cpld_mask_irq,
+	.ack = cpld_mask_irq,
+	.unmask = cpld_unmask_irq,
+};
+
+static int
+cpld_pic_get_irq(int offset, u8 ignore, u8 __iomem *statusp,
+			    u8 __iomem *maskp)
+{
+	int cpld_irq;
+	u8 status = in_8(statusp);
+	u8 mask = in_8(maskp);
+
+	/* ignore don't cares and masked irqs */
+	status |= (ignore | mask);
+
+	if (status == 0xff)
+		return NO_IRQ_IGNORE;
+
+	cpld_irq = ffz(status) + offset;
+
+	return irq_linear_revmap(cpld_pic_host, cpld_irq);
+}
+
+static void
+cpld_pic_cascade(unsigned int irq, struct irq_desc *desc)
+{
+	irq = cpld_pic_get_irq(0, PCI_IGNORE, &cpld_regs->pci_status,
+		&cpld_regs->pci_mask);
+	if (irq != NO_IRQ && irq != NO_IRQ_IGNORE) {
+		generic_handle_irq(irq);
+		return;
+	}
+
+	irq = cpld_pic_get_irq(8, MISC_IGNORE, &cpld_regs->misc_status,
+		&cpld_regs->misc_mask);
+	if (irq != NO_IRQ && irq != NO_IRQ_IGNORE) {
+		generic_handle_irq(irq);
+		return;
+	}
+}
+
+static int
+cpld_pic_host_match(struct irq_host *h, struct device_node *node)
+{
+	return cpld_pic_node == node;
+}
+
+static int
+cpld_pic_host_map(struct irq_host *h, unsigned int virq,
+			     irq_hw_number_t hw)
+{
+	get_irq_desc(virq)->status |= IRQ_LEVEL;
+	set_irq_chip_and_handler(virq, &cpld_pic, handle_level_irq);
+	return 0;
+}
+
+static struct
+irq_host_ops cpld_pic_host_ops = {
+	.match = cpld_pic_host_match,
+	.map = cpld_pic_host_map,
+};
+
+void __init
+mpc5121_ads_cpld_map(void)
+{
+	struct device_node *np = NULL;
+
+	np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121ads-cpld-pic");
+	if (!np) {
+		printk(KERN_ERR "CPLD PIC init: can not find cpld-pic node\n");
+		return;
+	}
+
+	cpld_regs = of_iomap(np, 0);
+	of_node_put(np);
+}
+
+void __init
+mpc5121_ads_cpld_pic_init(void)
+{
+	unsigned int cascade_irq;
+	struct device_node *np = NULL;
+
+	pr_debug("cpld_ic_init\n");
+
+	np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121ads-cpld-pic");
+	if (!np) {
+		printk(KERN_ERR "CPLD PIC init: can not find cpld-pic node\n");
+		return;
+	}
+
+	if (!cpld_regs)
+		goto end;
+
+	cascade_irq = irq_of_parse_and_map(np, 0);
+	if (cascade_irq == NO_IRQ)
+		goto end;
+
+	/*
+	 * statically route touch screen pendown through 1
+	 * and ignore it here
+	 * route all others through our cascade irq
+	 */
+	out_8(&cpld_regs->route, 0xfd);
+	out_8(&cpld_regs->pci_mask, 0xff);
+	/* unmask pci ints in misc mask */
+	out_8(&cpld_regs->misc_mask, ~(MISC_IGNORE));
+
+	cpld_pic_node = of_node_get(np);
+
+	cpld_pic_host =
+	    irq_alloc_host(np, IRQ_HOST_MAP_LINEAR, 16, &cpld_pic_host_ops, 16);
+	if (!cpld_pic_host) {
+		printk(KERN_ERR "CPLD PIC: failed to allocate irq host!\n");
+		goto end;
+	}
+
+	set_irq_chained_handler(cascade_irq, cpld_pic_cascade);
+end:
+	of_node_put(np);
+}
diff --git a/arch/powerpc/platforms/512x/mpc5121_generic.c b/arch/powerpc/platforms/512x/mpc5121_generic.c
new file mode 100644
index 00000000000..2479de9e2d1
--- /dev/null
+++ b/arch/powerpc/platforms/512x/mpc5121_generic.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2007,2008 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * Author: John Rigby, <jrigby@freescale.com>
+ *
+ * Description:
+ * MPC5121 SoC setup
+ *
+ * This 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/kernel.h>
+#include <linux/of_platform.h>
+
+#include <asm/machdep.h>
+#include <asm/ipic.h>
+#include <asm/prom.h>
+#include <asm/time.h>
+
+#include "mpc512x.h"
+
+/*
+ * list of supported boards
+ */
+static char *board[] __initdata = {
+	"prt,prtlvt",
+	NULL
+};
+
+/*
+ * Called very early, MMU is off, device-tree isn't unflattened
+ */
+static int __init mpc5121_generic_probe(void)
+{
+	unsigned long node = of_get_flat_dt_root();
+	int i = 0;
+
+	while (board[i]) {
+		if (of_flat_dt_is_compatible(node, board[i]))
+			break;
+		i++;
+	}
+
+	return board[i] != NULL;
+}
+
+define_machine(mpc5121_generic) {
+	.name			= "MPC5121 generic",
+	.probe			= mpc5121_generic_probe,
+	.init			= mpc512x_declare_of_platform_devices,
+	.init_IRQ		= mpc512x_init_IRQ,
+	.get_irq		= ipic_get_irq,
+	.calibrate_decr		= generic_calibrate_decr,
+};
diff --git a/arch/powerpc/platforms/512x/mpc512x.h b/arch/powerpc/platforms/512x/mpc512x.h
new file mode 100644
index 00000000000..9c03693cb00
--- /dev/null
+++ b/arch/powerpc/platforms/512x/mpc512x.h
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * 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.
+ *
+ * Prototypes for MPC512x shared code
+ */
+
+#ifndef __MPC512X_H__
+#define __MPC512X_H__
+extern unsigned long mpc512x_find_ips_freq(struct device_node *node);
+extern void __init mpc512x_init_IRQ(void);
+void __init mpc512x_declare_of_platform_devices(void);
+#endif				/* __MPC512X_H__ */
diff --git a/arch/powerpc/platforms/512x/mpc512x_shared.c b/arch/powerpc/platforms/512x/mpc512x_shared.c
new file mode 100644
index 00000000000..d8cd579f319
--- /dev/null
+++ b/arch/powerpc/platforms/512x/mpc512x_shared.c
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2007,2008 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * Author: John Rigby <jrigby@freescale.com>
+ *
+ * Description:
+ * MPC512x Shared code
+ *
+ * This 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/kernel.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/of_platform.h>
+
+#include <asm/machdep.h>
+#include <asm/ipic.h>
+#include <asm/prom.h>
+#include <asm/time.h>
+
+#include "mpc512x.h"
+
+unsigned long
+mpc512x_find_ips_freq(struct device_node *node)
+{
+	struct device_node *np;
+	const unsigned int *p_ips_freq = NULL;
+
+	of_node_get(node);
+	while (node) {
+		p_ips_freq = of_get_property(node, "bus-frequency", NULL);
+		if (p_ips_freq)
+			break;
+
+		np = of_get_parent(node);
+		of_node_put(node);
+		node = np;
+	}
+	if (node)
+		of_node_put(node);
+
+	return p_ips_freq ? *p_ips_freq : 0;
+}
+EXPORT_SYMBOL(mpc512x_find_ips_freq);
+
+void __init mpc512x_init_IRQ(void)
+{
+	struct device_node *np;
+
+	np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-ipic");
+	if (!np)
+		return;
+
+	ipic_init(np, 0);
+	of_node_put(np);
+
+	/*
+	 * Initialize the default interrupt mapping priorities,
+	 * in case the boot rom changed something on us.
+	 */
+	ipic_set_default_priority();
+}
+
+/*
+ * Nodes to do bus probe on, soc and localbus
+ */
+static struct of_device_id __initdata of_bus_ids[] = {
+	{ .compatible = "fsl,mpc5121-immr", },
+	{ .compatible = "fsl,mpc5121-localbus", },
+	{},
+};
+
+void __init mpc512x_declare_of_platform_devices(void)
+{
+	if (of_platform_bus_probe(NULL, of_bus_ids, NULL))
+		printk(KERN_ERR __FILE__ ": "
+			"Error while probing of_platform bus\n");
+}
+
diff --git a/arch/powerpc/platforms/52xx/lite5200_pm.c b/arch/powerpc/platforms/52xx/lite5200_pm.c
index 41c7fd91e99..fe92e65103e 100644
--- a/arch/powerpc/platforms/52xx/lite5200_pm.c
+++ b/arch/powerpc/platforms/52xx/lite5200_pm.c
@@ -14,6 +14,7 @@ static struct mpc52xx_sdma __iomem *bes;
 static struct mpc52xx_xlb __iomem *xlb;
 static struct mpc52xx_gpio __iomem *gps;
 static struct mpc52xx_gpio_wkup __iomem *gpw;
+static void __iomem *pci;
 static void __iomem *sram;
 static const int sram_size = 0x4000;	/* 16 kBytes */
 static void __iomem *mbar;
@@ -50,6 +51,8 @@ static int lite5200_pm_prepare(void)
 		{ .type = "builtin", .compatible = "mpc5200", }, /* efika */
 		{}
 	};
+	u64 regaddr64 = 0;
+	const u32 *regaddr_p;
 
 	/* deep sleep? let mpc52xx code handle that */
 	if (lite5200_pm_target_state == PM_SUSPEND_STANDBY)
@@ -60,8 +63,12 @@ static int lite5200_pm_prepare(void)
 
 	/* map registers */
 	np = of_find_matching_node(NULL, immr_ids);
-	mbar = of_iomap(np, 0);
+	regaddr_p = of_get_address(np, 0, NULL, NULL);
+	if (regaddr_p)
+		regaddr64 = of_translate_address(np, regaddr_p);
 	of_node_put(np);
+
+	mbar = ioremap((u32) regaddr64, 0xC000);
 	if (!mbar) {
 		printk(KERN_ERR "%s:%i Error mapping registers\n", __func__, __LINE__);
 		return -ENOSYS;
@@ -71,6 +78,7 @@ static int lite5200_pm_prepare(void)
 	pic = mbar + 0x500;
 	gps = mbar + 0xb00;
 	gpw = mbar + 0xc00;
+	pci = mbar + 0xd00;
 	bes = mbar + 0x1200;
 	xlb = mbar + 0x1f00;
 	sram = mbar + 0x8000;
@@ -85,6 +93,7 @@ static struct mpc52xx_sdma sbes;
 static struct mpc52xx_xlb sxlb;
 static struct mpc52xx_gpio sgps;
 static struct mpc52xx_gpio_wkup sgpw;
+static char spci[0x200];
 
 static void lite5200_save_regs(void)
 {
@@ -94,6 +103,7 @@ static void lite5200_save_regs(void)
 	_memcpy_fromio(&sxlb, xlb, sizeof(*xlb));
 	_memcpy_fromio(&sgps, gps, sizeof(*gps));
 	_memcpy_fromio(&sgpw, gpw, sizeof(*gpw));
+	_memcpy_fromio(spci, pci, 0x200);
 
 	_memcpy_fromio(saved_sram, sram, sram_size);
 }
@@ -103,6 +113,8 @@ static void lite5200_restore_regs(void)
 	int i;
 	_memcpy_toio(sram, saved_sram, sram_size);
 
+	/* PCI Configuration */
+	_memcpy_toio(pci, spci, 0x200);
 
 	/*
 	 * GPIOs. Interrupt Master Enable has higher address then other
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpio.c b/arch/powerpc/platforms/52xx/mpc52xx_gpio.c
index 48da5dfe485..8a455ebce98 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_gpio.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_gpio.c
@@ -100,7 +100,7 @@ static int mpc52xx_wkup_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
 	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
 	struct mpc52xx_gpiochip *chip = container_of(mm_gc,
 			struct mpc52xx_gpiochip, mmchip);
-	struct mpc52xx_gpio_wkup *regs = mm_gc->regs;
+	struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs;
 	unsigned long flags;
 
 	spin_lock_irqsave(&gpio_lock, flags);
@@ -122,7 +122,7 @@ static int
 mpc52xx_wkup_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
 {
 	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
-	struct mpc52xx_gpio_wkup *regs = mm_gc->regs;
+	struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs;
 	struct mpc52xx_gpiochip *chip = container_of(mm_gc,
 			struct mpc52xx_gpiochip, mmchip);
 	unsigned long flags;
@@ -150,7 +150,7 @@ static int __devinit mpc52xx_wkup_gpiochip_probe(struct of_device *ofdev,
 					const struct of_device_id *match)
 {
 	struct mpc52xx_gpiochip *chip;
-	struct mpc52xx_gpio_wkup *regs;
+	struct mpc52xx_gpio_wkup __iomem *regs;
 	struct of_gpio_chip *ofchip;
 	int ret;
 
@@ -260,7 +260,7 @@ static int mpc52xx_simple_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
 	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
 	struct mpc52xx_gpiochip *chip = container_of(mm_gc,
 			struct mpc52xx_gpiochip, mmchip);
-	struct mpc52xx_gpio *regs = mm_gc->regs;
+	struct mpc52xx_gpio __iomem *regs = mm_gc->regs;
 	unsigned long flags;
 
 	spin_lock_irqsave(&gpio_lock, flags);
@@ -284,7 +284,7 @@ mpc52xx_simple_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
 	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
 	struct mpc52xx_gpiochip *chip = container_of(mm_gc,
 			struct mpc52xx_gpiochip, mmchip);
-	struct mpc52xx_gpio *regs = mm_gc->regs;
+	struct mpc52xx_gpio __iomem *regs = mm_gc->regs;
 	unsigned long flags;
 
 	spin_lock_irqsave(&gpio_lock, flags);
@@ -312,7 +312,7 @@ static int __devinit mpc52xx_simple_gpiochip_probe(struct of_device *ofdev,
 {
 	struct mpc52xx_gpiochip *chip;
 	struct of_gpio_chip *ofchip;
-	struct mpc52xx_gpio *regs;
+	struct mpc52xx_gpio __iomem *regs;
 	int ret;
 
 	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
@@ -387,7 +387,7 @@ mpc52xx_gpt_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
 static int mpc52xx_gpt_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
 {
 	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
-	struct mpc52xx_gpt *regs = mm_gc->regs;
+	struct mpc52xx_gpt __iomem *regs = mm_gc->regs;
 
 	out_be32(&regs->mode, 0x04);
 
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pci.c b/arch/powerpc/platforms/52xx/mpc52xx_pci.c
index e3428ddd904..5a382bb15f6 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pci.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pci.c
@@ -63,6 +63,7 @@
 
 #define MPC52xx_PCI_TCR_P		0x01000000
 #define MPC52xx_PCI_TCR_LD		0x00010000
+#define MPC52xx_PCI_TCR_WCT8		0x00000008
 
 #define MPC52xx_PCI_TBATR_DISABLE	0x0
 #define MPC52xx_PCI_TBATR_ENABLE	0x1
@@ -313,7 +314,7 @@ mpc52xx_pci_setup(struct pci_controller *hose,
 	out_be32(&pci_regs->tbatr1,
 		MPC52xx_PCI_TBATR_ENABLE | MPC52xx_PCI_TARGET_MEM );
 
-	out_be32(&pci_regs->tcr, MPC52xx_PCI_TCR_LD);
+	out_be32(&pci_regs->tcr, MPC52xx_PCI_TCR_LD | MPC52xx_PCI_TCR_WCT8);
 
 	tmp = in_be32(&pci_regs->gscr);
 #if 0
diff --git a/arch/powerpc/platforms/82xx/Kconfig b/arch/powerpc/platforms/82xx/Kconfig
index 917ac889155..1c8034bfa79 100644
--- a/arch/powerpc/platforms/82xx/Kconfig
+++ b/arch/powerpc/platforms/82xx/Kconfig
@@ -1,7 +1,8 @@
-choice
-	prompt "82xx Board Type"
-	depends on PPC_82xx
-	default MPC8272_ADS
+menuconfig PPC_82xx
+	bool "82xx-based boards (PQ II)"
+	depends on 6xx && PPC_MULTIPLATFORM
+
+if PPC_82xx
 
 config MPC8272_ADS
 	bool "Freescale MPC8272 ADS"
@@ -36,7 +37,7 @@ config EP8248E
 	  This board is also resold by Freescale as the QUICCStart
 	  MPC8248 Evaluation System and/or the CWH-PPC-8248N-VE.
 
-endchoice
+endif
 
 config PQ2ADS
 	bool
diff --git a/arch/powerpc/platforms/82xx/ep8248e.c b/arch/powerpc/platforms/82xx/ep8248e.c
index d5770fdf7f0..373e993a5ed 100644
--- a/arch/powerpc/platforms/82xx/ep8248e.c
+++ b/arch/powerpc/platforms/82xx/ep8248e.c
@@ -59,6 +59,7 @@ static void __init ep8248e_pic_init(void)
 	of_node_put(np);
 }
 
+#ifdef CONFIG_FS_ENET_MDIO_FCC
 static void ep8248e_set_mdc(struct mdiobb_ctrl *ctrl, int level)
 {
 	if (level)
@@ -164,6 +165,7 @@ static struct of_platform_driver ep8248e_mdio_driver = {
 	.probe = ep8248e_mdio_probe,
 	.remove = ep8248e_mdio_remove,
 };
+#endif
 
 struct cpm_pin {
 	int port, pin, flags;
@@ -296,7 +298,9 @@ static  __initdata struct of_device_id of_bus_ids[] = {
 static int __init declare_of_platform_devices(void)
 {
 	of_platform_bus_probe(NULL, of_bus_ids, NULL);
+#ifdef CONFIG_FS_ENET_MDIO_FCC
 	of_register_platform_driver(&ep8248e_mdio_driver);
+#endif
 
 	return 0;
 }
diff --git a/arch/powerpc/platforms/82xx/mpc8272_ads.c b/arch/powerpc/platforms/82xx/mpc8272_ads.c
index 7d301875198..8054c685d32 100644
--- a/arch/powerpc/platforms/82xx/mpc8272_ads.c
+++ b/arch/powerpc/platforms/82xx/mpc8272_ads.c
@@ -96,6 +96,10 @@ static struct cpm_pin mpc8272_ads_pins[] = {
 	{1, 31, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
 	{2, 16, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
 	{2, 17, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+
+	/* I2C */
+	{3, 14, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_OPENDRAIN},
+	{3, 15, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_OPENDRAIN},
 };
 
 static void __init init_ioports(void)
diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
index a8013816125..9876d7e072f 100644
--- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
+++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
@@ -109,7 +109,7 @@ static int pci_pic_host_map(struct irq_host *h, unsigned int virq,
 {
 	get_irq_desc(virq)->status |= IRQ_LEVEL;
 	set_irq_chip_data(virq, h->host_data);
-	set_irq_chip(virq, &pq2ads_pci_ic);
+	set_irq_chip_and_handler(virq, &pq2ads_pci_ic, handle_level_irq);
 	return 0;
 }
 
diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig
index 13587e2e868..27d9bf86de0 100644
--- a/arch/powerpc/platforms/83xx/Kconfig
+++ b/arch/powerpc/platforms/83xx/Kconfig
@@ -1,10 +1,12 @@
-menuconfig MPC83xx
-	bool "83xx Board Type"
-	depends on PPC_83xx
+menuconfig PPC_83xx
+	bool "83xx-based boards"
+	depends on 6xx && PPC_MULTIPLATFORM
 	select PPC_UDBG_16550
 	select PPC_INDIRECT_PCI
+	select FSL_SOC
+	select IPIC
 
-if MPC83xx
+if PPC_83xx
 
 config MPC831x_RDB
 	bool "Freescale MPC831x RDB"
@@ -58,6 +60,17 @@ config MPC836x_MDS
 	help
 	  This option enables support for the MPC836x MDS Processor Board.
 
+config MPC836x_RDK
+	bool "Freescale/Logic MPC836x RDK"
+	select DEFAULT_UIMAGE
+	select QUICC_ENGINE
+	select QE_GPIO
+	select FSL_GTM
+	select FSL_LBC
+	help
+	  This option enables support for the MPC836x RDK Processor Board,
+	  also known as ZOOM PowerQUICC Kit.
+
 config MPC837x_MDS
 	bool "Freescale MPC837x MDS"
 	select DEFAULT_UIMAGE
@@ -79,6 +92,15 @@ config SBC834x
 	help
 	  This option enables support for the Wind River SBC834x board.
 
+config ASP834x
+	bool "Analogue & Micro ASP 834x"
+	select PPC_MPC834x
+	select REDBOOT
+	help
+	  This enables support for the Analogue & Micro ASP 83xx
+	  board.
+
+
 endif
 
 # used for usb
diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile
index 7e6dd3e259d..f331fd7dd83 100644
--- a/arch/powerpc/platforms/83xx/Makefile
+++ b/arch/powerpc/platforms/83xx/Makefile
@@ -8,7 +8,9 @@ obj-$(CONFIG_MPC832x_RDB)	+= mpc832x_rdb.o
 obj-$(CONFIG_MPC834x_MDS)	+= mpc834x_mds.o
 obj-$(CONFIG_MPC834x_ITX)	+= mpc834x_itx.o
 obj-$(CONFIG_MPC836x_MDS)	+= mpc836x_mds.o
+obj-$(CONFIG_MPC836x_RDK)	+= mpc836x_rdk.o
 obj-$(CONFIG_MPC832x_MDS)	+= mpc832x_mds.o
 obj-$(CONFIG_MPC837x_MDS)	+= mpc837x_mds.o
 obj-$(CONFIG_SBC834x)		+= sbc834x.o
 obj-$(CONFIG_MPC837x_RDB)	+= mpc837x_rdb.o
+obj-$(CONFIG_ASP834x)		+= asp834x.o
diff --git a/arch/powerpc/platforms/83xx/asp834x.c b/arch/powerpc/platforms/83xx/asp834x.c
new file mode 100644
index 00000000000..bb30d67ad0a
--- /dev/null
+++ b/arch/powerpc/platforms/83xx/asp834x.c
@@ -0,0 +1,90 @@
+/*
+ * arch/powerpc/platforms/83xx/asp834x.c
+ *
+ * Analogue & Micro ASP8347 board specific routines
+ * clone of mpc834x_itx
+ *
+ * Copyright 2008 Codehermit
+ *
+ * Maintainer: Bryan O'Donoghue <bodonoghue@codhermit.ie>
+ *
+ * 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/of_platform.h>
+
+#include <asm/time.h>
+#include <asm/ipic.h>
+#include <asm/udbg.h>
+
+#include "mpc83xx.h"
+
+/* ************************************************************************
+ *
+ * Setup the architecture
+ *
+ */
+static void __init asp834x_setup_arch(void)
+{
+	if (ppc_md.progress)
+		ppc_md.progress("asp834x_setup_arch()", 0);
+
+	mpc834x_usb_cfg();
+}
+
+static void __init asp834x_init_IRQ(void)
+{
+	struct device_node *np;
+
+	np = of_find_node_by_type(NULL, "ipic");
+	if (!np)
+		return;
+
+	ipic_init(np, 0);
+
+	of_node_put(np);
+
+	/* Initialize the default interrupt mapping priorities,
+	 * in case the boot rom changed something on us.
+	 */
+	ipic_set_default_priority();
+}
+
+static struct __initdata of_device_id asp8347_ids[] = {
+	{ .type = "soc", },
+	{ .compatible = "soc", },
+	{ .compatible = "simple-bus", },
+	{},
+};
+
+static int __init asp8347_declare_of_platform_devices(void)
+{
+	of_platform_bus_probe(NULL, asp8347_ids, NULL);
+	return 0;
+}
+machine_device_initcall(asp834x, asp8347_declare_of_platform_devices);
+
+/*
+ * Called very early, MMU is off, device-tree isn't unflattened
+ */
+static int __init asp834x_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+	return of_flat_dt_is_compatible(root, "analogue-and-micro,asp8347e");
+}
+
+define_machine(asp834x) {
+	.name			= "ASP8347E",
+	.probe			= asp834x_probe,
+	.setup_arch		= asp834x_setup_arch,
+	.init_IRQ		= asp834x_init_IRQ,
+	.get_irq		= ipic_get_irq,
+	.restart		= mpc83xx_restart,
+	.time_init		= mpc83xx_time_init,
+	.calibrate_decr		= generic_calibrate_decr,
+	.progress		= udbg_progress,
+};
diff --git a/arch/powerpc/platforms/83xx/mpc836x_rdk.c b/arch/powerpc/platforms/83xx/mpc836x_rdk.c
new file mode 100644
index 00000000000..c10dec4bf17
--- /dev/null
+++ b/arch/powerpc/platforms/83xx/mpc836x_rdk.c
@@ -0,0 +1,102 @@
+/*
+ * MPC8360E-RDK board file.
+ *
+ * Copyright (c) 2006  Freescale Semicondutor, Inc.
+ * Copyright (c) 2007-2008  MontaVista Software, Inc.
+ *
+ * Author: Anton Vorontsov <avorontsov@ru.mvista.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/kernel.h>
+#include <linux/pci.h>
+#include <linux/of_platform.h>
+#include <linux/io.h>
+#include <asm/prom.h>
+#include <asm/time.h>
+#include <asm/ipic.h>
+#include <asm/udbg.h>
+#include <asm/qe.h>
+#include <asm/qe_ic.h>
+#include <sysdev/fsl_soc.h>
+
+#include "mpc83xx.h"
+
+static struct of_device_id __initdata mpc836x_rdk_ids[] = {
+	{ .compatible = "simple-bus", },
+	{},
+};
+
+static int __init mpc836x_rdk_declare_of_platform_devices(void)
+{
+	return of_platform_bus_probe(NULL, mpc836x_rdk_ids, NULL);
+}
+machine_device_initcall(mpc836x_rdk, mpc836x_rdk_declare_of_platform_devices);
+
+static void __init mpc836x_rdk_setup_arch(void)
+{
+#ifdef CONFIG_PCI
+	struct device_node *np;
+#endif
+
+	if (ppc_md.progress)
+		ppc_md.progress("mpc836x_rdk_setup_arch()", 0);
+
+#ifdef CONFIG_PCI
+	for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
+		mpc83xx_add_bridge(np);
+#endif
+
+	qe_reset();
+}
+
+static void __init mpc836x_rdk_init_IRQ(void)
+{
+	struct device_node *np;
+
+	np = of_find_compatible_node(NULL, NULL, "fsl,ipic");
+	if (!np)
+		return;
+
+	ipic_init(np, 0);
+
+	/*
+	 * Initialize the default interrupt mapping priorities,
+	 * in case the boot rom changed something on us.
+	 */
+	ipic_set_default_priority();
+	of_node_put(np);
+
+	np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
+	if (!np)
+		return;
+
+	qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
+	of_node_put(np);
+}
+
+/*
+ * Called very early, MMU is off, device-tree isn't unflattened.
+ */
+static int __init mpc836x_rdk_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	return of_flat_dt_is_compatible(root, "fsl,mpc8360rdk");
+}
+
+define_machine(mpc836x_rdk) {
+	.name		= "MPC836x RDK",
+	.probe		= mpc836x_rdk_probe,
+	.setup_arch	= mpc836x_rdk_setup_arch,
+	.init_IRQ	= mpc836x_rdk_init_IRQ,
+	.get_irq	= ipic_get_irq,
+	.restart	= mpc83xx_restart,
+	.time_init	= mpc83xx_time_init,
+	.calibrate_decr	= generic_calibrate_decr,
+	.progress	= udbg_progress,
+};
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 7ff29d53dc2..cebea5cadbc 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -34,9 +34,16 @@ config MPC85xx_MDS
 	bool "Freescale MPC85xx MDS"
 	select DEFAULT_UIMAGE
 	select QUICC_ENGINE
+	select PHYLIB
 	help
 	  This option enables support for the MPC85xx MDS board
 
+config MPC8536_DS
+	bool "Freescale MPC8536 DS"
+	select DEFAULT_UIMAGE
+	help
+	  This option enables support for the MPC8536 DS board
+
 config MPC85xx_DS
 	bool "Freescale MPC85xx DS"
 	select PPC_I8259
@@ -74,6 +81,14 @@ config TQM8541
 	select TQM85xx
 	select CPM2
 
+config TQM8548
+	bool "TQ Components TQM8548"
+	help
+	  This option enables support for the TQ Components TQM8548 board.
+	select DEFAULT_UIMAGE
+	select PPC_CPM_NEW_BINDING
+	select TQM85xx
+
 config TQM8555
 	bool "TQ Components TQM8555"
 	help
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index 6cea185f62b..cb3054e1001 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -4,6 +4,7 @@
 obj-$(CONFIG_MPC8540_ADS) += mpc85xx_ads.o
 obj-$(CONFIG_MPC8560_ADS) += mpc85xx_ads.o
 obj-$(CONFIG_MPC85xx_CDS) += mpc85xx_cds.o
+obj-$(CONFIG_MPC8536_DS)  += mpc8536_ds.o
 obj-$(CONFIG_MPC85xx_DS)  += mpc85xx_ds.o
 obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o
 obj-$(CONFIG_STX_GP3)	  += stx_gp3.o
diff --git a/arch/powerpc/platforms/85xx/mpc8536_ds.c b/arch/powerpc/platforms/85xx/mpc8536_ds.c
new file mode 100644
index 00000000000..6b846aa1ced
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/mpc8536_ds.c
@@ -0,0 +1,125 @@
+/*
+ * MPC8536 DS Board Setup
+ *
+ * Copyright 2008 Freescale Semiconductor, 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.
+ */
+
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/kdev_t.h>
+#include <linux/delay.h>
+#include <linux/seq_file.h>
+#include <linux/interrupt.h>
+#include <linux/of_platform.h>
+
+#include <asm/system.h>
+#include <asm/time.h>
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <mm/mmu_decl.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <asm/mpic.h>
+
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+
+void __init mpc8536_ds_pic_init(void)
+{
+	struct mpic *mpic;
+	struct resource r;
+	struct device_node *np;
+
+	np = of_find_node_by_type(NULL, "open-pic");
+	if (np == NULL) {
+		printk(KERN_ERR "Could not find open-pic node\n");
+		return;
+	}
+
+	if (of_address_to_resource(np, 0, &r)) {
+		printk(KERN_ERR "Failed to map mpic register space\n");
+		of_node_put(np);
+		return;
+	}
+
+	mpic = mpic_alloc(np, r.start,
+			  MPIC_PRIMARY | MPIC_WANTS_RESET |
+			  MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS,
+			0, 256, " OpenPIC  ");
+	BUG_ON(mpic == NULL);
+	of_node_put(np);
+
+	mpic_init(mpic);
+}
+
+/*
+ * Setup the architecture
+ */
+static void __init mpc8536_ds_setup_arch(void)
+{
+#ifdef CONFIG_PCI
+	struct device_node *np;
+#endif
+
+	if (ppc_md.progress)
+		ppc_md.progress("mpc8536_ds_setup_arch()", 0);
+
+#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")) {
+			struct resource rsrc;
+			of_address_to_resource(np, 0, &rsrc);
+			if ((rsrc.start & 0xfffff) == 0x8000)
+				fsl_add_bridge(np, 1);
+			else
+				fsl_add_bridge(np, 0);
+		}
+	}
+
+#endif
+
+	printk("MPC8536 DS board from Freescale Semiconductor\n");
+}
+
+static struct of_device_id __initdata mpc8536_ds_ids[] = {
+	{ .type = "soc", },
+	{ .compatible = "soc", },
+	{},
+};
+
+static int __init mpc8536_ds_publish_devices(void)
+{
+	return of_platform_bus_probe(NULL, mpc8536_ds_ids, NULL);
+}
+machine_device_initcall(mpc8536_ds, mpc8536_ds_publish_devices);
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init mpc8536_ds_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	return of_flat_dt_is_compatible(root, "fsl,mpc8536ds");
+}
+
+define_machine(mpc8536_ds) {
+	.name			= "MPC8536 DS",
+	.probe			= mpc8536_ds_probe,
+	.setup_arch		= mpc8536_ds_setup_arch,
+	.init_IRQ		= mpc8536_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_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
index 3582c841844..ba498d6f2d0 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
@@ -119,6 +119,8 @@ static const struct cpm_pin mpc8560_ads_pins[] = {
 	{3, 31, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
 
 	/* SCC2 */
+	{2, 12, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{2, 13, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
 	{3, 26, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
 	{3, 27, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
 	{3, 28, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
@@ -145,7 +147,6 @@ static const struct cpm_pin mpc8560_ads_pins[] = {
 	{1, 4, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
 	{1, 5, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
 	{1, 6, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
-	{1, 7, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
 	{1, 8, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
 	{1, 9, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
 	{1, 10, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
@@ -156,8 +157,9 @@ static const struct cpm_pin mpc8560_ads_pins[] = {
 	{1, 15, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
 	{1, 16, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
 	{1, 17, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
-	{2, 16, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* CLK16 */
-	{2, 17, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* CLK15 */
+	{2, 16, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, /* CLK16 */
+	{2, 17, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, /* CLK15 */
+	{2, 27, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
 };
 
 static void __init init_ioports(void)
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
index 8b1de7884be..50d7ea8f922 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
@@ -26,6 +26,7 @@
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/fsl_devices.h>
+#include <linux/of_platform.h>
 
 #include <asm/system.h>
 #include <asm/pgtable.h>
@@ -335,6 +336,19 @@ static int __init mpc85xx_cds_probe(void)
         return of_flat_dt_is_compatible(root, "MPC85xxCDS");
 }
 
+static struct of_device_id __initdata of_bus_ids[] = {
+	{ .type = "soc", },
+	{ .compatible = "soc", },
+	{ .compatible = "simple-bus", },
+	{},
+};
+
+static int __init declare_of_platform_devices(void)
+{
+	return of_platform_bus_probe(NULL, of_bus_ids, NULL);
+}
+machine_device_initcall(mpc85xx_cds, declare_of_platform_devices);
+
 define_machine(mpc85xx_cds) {
 	.name		= "MPC85xx CDS",
 	.probe		= mpc85xx_cds_probe,
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
index dfd8b4ad9b2..25f41cd2d33 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
@@ -58,14 +58,13 @@ void __init mpc85xx_ds_pic_init(void)
 {
 	struct mpic *mpic;
 	struct resource r;
-	struct device_node *np = NULL;
+	struct device_node *np;
 #ifdef CONFIG_PPC_I8259
 	struct device_node *cascade_node = NULL;
 	int cascade_irq;
 #endif
 
-	np = of_find_node_by_type(np, "open-pic");
-
+	np = of_find_node_by_type(NULL, "open-pic");
 	if (np == NULL) {
 		printk(KERN_ERR "Could not find open-pic node\n");
 		return;
@@ -78,9 +77,11 @@ void __init mpc85xx_ds_pic_init(void)
 	}
 
 	mpic = mpic_alloc(np, r.start,
-			  MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
+			  MPIC_PRIMARY | MPIC_WANTS_RESET |
+			  MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS,
 			0, 256, " OpenPIC  ");
 	BUG_ON(mpic == NULL);
+	of_node_put(np);
 
 	mpic_init(mpic);
 
@@ -184,7 +185,7 @@ static int __init mpc8544_ds_probe(void)
 	}
 }
 
-static struct of_device_id mpc85xxds_ids[] = {
+static struct of_device_id __initdata mpc85xxds_ids[] = {
 	{ .type = "soc", },
 	{ .compatible = "soc", },
 	{},
@@ -195,6 +196,7 @@ static int __init mpc85xxds_publish_devices(void)
 	return of_platform_bus_probe(NULL, mpc85xxds_ids, NULL);
 }
 machine_device_initcall(mpc8544_ds, mpc85xxds_publish_devices);
+machine_device_initcall(mpc8572_ds, mpc85xxds_publish_devices);
 
 /*
  * Called very early, device-tree isn't unflattened
diff --git a/arch/powerpc/platforms/85xx/tqm85xx.c b/arch/powerpc/platforms/85xx/tqm85xx.c
index 77681acf1ba..d850880d696 100644
--- a/arch/powerpc/platforms/85xx/tqm85xx.c
+++ b/arch/powerpc/platforms/85xx/tqm85xx.c
@@ -120,8 +120,18 @@ static void __init tqm85xx_setup_arch(void)
 #endif
 
 #ifdef CONFIG_PCI
-	for_each_compatible_node(np, "pci", "fsl,mpc8540-pci")
-		fsl_add_bridge(np, 1);
+	for_each_node_by_type(np, "pci") {
+		if (of_device_is_compatible(np, "fsl,mpc8540-pci") ||
+		    of_device_is_compatible(np, "fsl,mpc8548-pcie")) {
+			struct resource rsrc;
+			if (!of_address_to_resource(np, 0, &rsrc)) {
+				if ((rsrc.start & 0xfffff) == 0x8000)
+					fsl_add_bridge(np, 1);
+				else
+					fsl_add_bridge(np, 0);
+			}
+		}
+	}
 #endif
 }
 
@@ -165,10 +175,11 @@ static int __init tqm85xx_probe(void)
 {
 	unsigned long root = of_get_flat_dt_root();
 
-	if ((of_flat_dt_is_compatible(root, "tqm,8540")) ||
-	    (of_flat_dt_is_compatible(root, "tqm,8541")) ||
-	    (of_flat_dt_is_compatible(root, "tqm,8555")) ||
-	    (of_flat_dt_is_compatible(root, "tqm,8560")))
+	if ((of_flat_dt_is_compatible(root, "tqc,tqm8540")) ||
+	    (of_flat_dt_is_compatible(root, "tqc,tqm8541")) ||
+	    (of_flat_dt_is_compatible(root, "tqc,tqm8548")) ||
+	    (of_flat_dt_is_compatible(root, "tqc,tqm8555")) ||
+	    (of_flat_dt_is_compatible(root, "tqc,tqm8560")))
 		return 1;
 
 	return 0;
diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig
index 053f49a1dca..80a81e02bb5 100644
--- a/arch/powerpc/platforms/86xx/Kconfig
+++ b/arch/powerpc/platforms/86xx/Kconfig
@@ -1,7 +1,13 @@
-choice
-	prompt "86xx Board Type"
-	depends on PPC_86xx
-	default MPC8641_HPCN
+config PPC_86xx
+menuconfig PPC_86xx
+	bool "86xx-based boards"
+	depends on 6xx && PPC_MULTIPLATFORM
+	select FSL_SOC
+	select ALTIVEC
+	help
+	  The Freescale E600 SoCs have 74xx cores.
+
+if PPC_86xx
 
 config MPC8641_HPCN
 	bool "Freescale MPC8641 HPCN"
@@ -24,7 +30,7 @@ config MPC8610_HPCD
 	help
 	  This option enables support for the MPC8610 HPCD board.
 
-endchoice
+endif
 
 config MPC8641
 	bool
diff --git a/arch/powerpc/platforms/86xx/Makefile b/arch/powerpc/platforms/86xx/Makefile
index 1b9b4a9b252..8fee37dec79 100644
--- a/arch/powerpc/platforms/86xx/Makefile
+++ b/arch/powerpc/platforms/86xx/Makefile
@@ -2,6 +2,7 @@
 # Makefile for the PowerPC 86xx linux kernel.
 #
 
+obj-y				:= pic.o
 obj-$(CONFIG_SMP)		+= mpc86xx_smp.o
 obj-$(CONFIG_MPC8641_HPCN)	+= mpc86xx_hpcn.o
 obj-$(CONFIG_SBC8641D)		+= sbc8641d.o
diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
index dea13208bf6..30725302884 100644
--- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
+++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
@@ -39,6 +39,8 @@
 #include <sysdev/fsl_pci.h>
 #include <sysdev/fsl_soc.h>
 
+#include "mpc86xx.h"
+
 static unsigned char *pixis_bdcfg0, *pixis_arch;
 
 static struct of_device_id __initdata mpc8610_ids[] = {
@@ -56,27 +58,6 @@ static int __init mpc8610_declare_of_platform_devices(void)
 }
 machine_device_initcall(mpc86xx_hpcd, mpc8610_declare_of_platform_devices);
 
-static void __init mpc86xx_hpcd_init_irq(void)
-{
-	struct mpic *mpic1;
-	struct device_node *np;
-	struct resource res;
-
-	/* Determine PIC address. */
-	np = of_find_node_by_type(NULL, "open-pic");
-	if (np == NULL)
-		return;
-	of_address_to_resource(np, 0, &res);
-
-	/* Alloc mpic structure and per isu has 16 INT entries. */
-	mpic1 = mpic_alloc(np, res.start,
-			MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
-			0, 256, " MPIC     ");
-	BUG_ON(mpic1 == NULL);
-
-	mpic_init(mpic1);
-}
-
 #ifdef CONFIG_PCI
 static void __devinit quirk_uli1575(struct pci_dev *dev)
 {
@@ -404,7 +385,7 @@ define_machine(mpc86xx_hpcd) {
 	.name			= "MPC86xx HPCD",
 	.probe			= mpc86xx_hpcd_probe,
 	.setup_arch		= mpc86xx_hpcd_setup_arch,
-	.init_IRQ		= mpc86xx_hpcd_init_irq,
+	.init_IRQ		= mpc86xx_init_irq,
 	.get_irq		= mpic_get_irq,
 	.restart		= fsl_rstcr_restart,
 	.time_init		= mpc86xx_time_init,
diff --git a/arch/powerpc/platforms/86xx/mpc86xx.h b/arch/powerpc/platforms/86xx/mpc86xx.h
index 525ffa1904f..08efb57559d 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx.h
+++ b/arch/powerpc/platforms/86xx/mpc86xx.h
@@ -15,6 +15,7 @@
  * mpc86xx_* files. Mostly for use by mpc86xx_setup().
  */
 
-extern void __init mpc86xx_smp_init(void);
+extern void mpc86xx_smp_init(void);
+extern void mpc86xx_init_irq(void);
 
 #endif	/* __MPC86XX_H__ */
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index f13704aabbe..7916599c912 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -28,7 +28,6 @@
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
-#include <asm/i8259.h>
 
 #include <asm/mpic.h>
 
@@ -46,67 +45,6 @@
 #endif
 
 #ifdef CONFIG_PCI
-static void mpc86xx_8259_cascade(unsigned int irq, struct irq_desc *desc)
-{
-	unsigned int cascade_irq = i8259_irq();
-	if (cascade_irq != NO_IRQ)
-		generic_handle_irq(cascade_irq);
-	desc->chip->eoi(irq);
-}
-#endif	/* CONFIG_PCI */
-
-static void __init
-mpc86xx_hpcn_init_irq(void)
-{
-	struct mpic *mpic1;
-	struct device_node *np;
-	struct resource res;
-#ifdef CONFIG_PCI
-	struct device_node *cascade_node = NULL;
-	int cascade_irq;
-#endif
-
-	/* Determine PIC address. */
-	np = of_find_node_by_type(NULL, "open-pic");
-	if (np == NULL)
-		return;
-	of_address_to_resource(np, 0, &res);
-
-	/* Alloc mpic structure and per isu has 16 INT entries. */
-	mpic1 = mpic_alloc(np, res.start,
-			MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
-			0, 256, " MPIC     ");
-	BUG_ON(mpic1 == NULL);
-
-	mpic_init(mpic1);
-
-#ifdef CONFIG_PCI
-	/* Initialize i8259 controller */
-	for_each_node_by_type(np, "interrupt-controller")
-		if (of_device_is_compatible(np, "chrp,iic")) {
-			cascade_node = np;
-			break;
-		}
-	if (cascade_node == NULL) {
-		printk(KERN_DEBUG "mpc86xxhpcn: no ISA interrupt controller\n");
-		return;
-	}
-
-	cascade_irq = irq_of_parse_and_map(cascade_node, 0);
-	if (cascade_irq == NO_IRQ) {
-		printk(KERN_ERR "mpc86xxhpcn: failed to map cascade interrupt");
-		return;
-	}
-	DBG("mpc86xxhpcn: cascade mapped to irq %d\n", cascade_irq);
-
-	i8259_init(cascade_node, 0);
-	of_node_put(cascade_node);
-
-	set_irq_chained_handler(cascade_irq, mpc86xx_8259_cascade);
-#endif
-}
-
-#ifdef CONFIG_PCI
 extern int uses_fsl_uli_m1575;
 extern int uli_exclude_device(struct pci_controller *hose,
 				u_char bus, u_char devfn);
@@ -237,7 +175,7 @@ define_machine(mpc86xx_hpcn) {
 	.name			= "MPC86xx HPCN",
 	.probe			= mpc86xx_hpcn_probe,
 	.setup_arch		= mpc86xx_hpcn_setup_arch,
-	.init_IRQ		= mpc86xx_hpcn_init_irq,
+	.init_IRQ		= mpc86xx_init_irq,
 	.show_cpuinfo		= mpc86xx_hpcn_show_cpuinfo,
 	.get_irq		= mpic_get_irq,
 	.restart		= fsl_rstcr_restart,
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_smp.c b/arch/powerpc/platforms/86xx/mpc86xx_smp.c
index ba55b0ff0f7..835f2dc24dc 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_smp.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_smp.c
@@ -15,6 +15,7 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 
+#include <asm/code-patching.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/pci-bridge.h>
@@ -56,8 +57,7 @@ smp_86xx_kick_cpu(int nr)
 	unsigned int save_vector;
 	unsigned long target, flags;
 	int n = 0;
-	volatile unsigned int *vector
-		 = (volatile unsigned int *)(KERNELBASE + 0x100);
+	unsigned int *vector = (unsigned int *)(KERNELBASE + 0x100);
 
 	if (nr < 0 || nr >= NR_CPUS)
 		return;
@@ -71,7 +71,7 @@ smp_86xx_kick_cpu(int nr)
 
 	/* Setup fake reset vector to call __secondary_start_mpc86xx. */
 	target = (unsigned long) __secondary_start_mpc86xx;
-	create_branch((unsigned long)vector, target, BRANCH_SET_LINK);
+	patch_branch(vector, target, BRANCH_SET_LINK);
 
 	/* Kick that CPU */
 	smp_86xx_release_core(nr);
diff --git a/arch/powerpc/platforms/86xx/pic.c b/arch/powerpc/platforms/86xx/pic.c
new file mode 100644
index 00000000000..8881c5de500
--- /dev/null
+++ b/arch/powerpc/platforms/86xx/pic.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2008 Freescale Semiconductor, 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.
+ */
+
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/of_platform.h>
+
+#include <asm/system.h>
+#include <asm/mpic.h>
+#include <asm/i8259.h>
+
+#ifdef CONFIG_PPC_I8259
+static void mpc86xx_8259_cascade(unsigned int irq, struct irq_desc *desc)
+{
+	unsigned int cascade_irq = i8259_irq();
+	if (cascade_irq != NO_IRQ)
+		generic_handle_irq(cascade_irq);
+	desc->chip->eoi(irq);
+}
+#endif	/* CONFIG_PPC_I8259 */
+
+void __init mpc86xx_init_irq(void)
+{
+	struct mpic *mpic;
+	struct device_node *np;
+	struct resource res;
+#ifdef CONFIG_PPC_I8259
+	struct device_node *cascade_node = NULL;
+	int cascade_irq;
+#endif
+
+	/* Determine PIC address. */
+	np = of_find_node_by_type(NULL, "open-pic");
+	if (np == NULL)
+		return;
+	of_address_to_resource(np, 0, &res);
+
+	mpic = mpic_alloc(np, res.start,
+			MPIC_PRIMARY | MPIC_WANTS_RESET |
+			MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS,
+			0, 256, " MPIC     ");
+	of_node_put(np);
+	BUG_ON(mpic == NULL);
+
+	mpic_init(mpic);
+
+#ifdef CONFIG_PPC_I8259
+	/* Initialize i8259 controller */
+	for_each_node_by_type(np, "interrupt-controller")
+		if (of_device_is_compatible(np, "chrp,iic")) {
+			cascade_node = np;
+			break;
+		}
+
+	if (cascade_node == NULL) {
+		printk(KERN_DEBUG "Could not find i8259 PIC\n");
+		return;
+	}
+
+	cascade_irq = irq_of_parse_and_map(cascade_node, 0);
+	if (cascade_irq == NO_IRQ) {
+		printk(KERN_ERR "Failed to map cascade interrupt\n");
+		return;
+	}
+
+	i8259_init(cascade_node, 0);
+	of_node_put(cascade_node);
+
+	set_irq_chained_handler(cascade_irq, mpc86xx_8259_cascade);
+#endif
+}
diff --git a/arch/powerpc/platforms/86xx/sbc8641d.c b/arch/powerpc/platforms/86xx/sbc8641d.c
index 510a06ef0b5..00e6fad3b3c 100644
--- a/arch/powerpc/platforms/86xx/sbc8641d.c
+++ b/arch/powerpc/platforms/86xx/sbc8641d.c
@@ -38,29 +38,6 @@
 #include "mpc86xx.h"
 
 static void __init
-sbc8641_init_irq(void)
-{
-	struct mpic *mpic1;
-	struct device_node *np;
-	struct resource res;
-
-	/* Determine PIC address. */
-	np = of_find_node_by_type(NULL, "open-pic");
-	if (np == NULL)
-		return;
-	of_address_to_resource(np, 0, &res);
-
-	/* Alloc mpic structure and per isu has 16 INT entries. */
-	mpic1 = mpic_alloc(np, res.start,
-			MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
-			0, 256, " MPIC     ");
-	of_node_put(np);
-	BUG_ON(mpic1 == NULL);
-
-	mpic_init(mpic1);
-}
-
-static void __init
 sbc8641_setup_arch(void)
 {
 #ifdef CONFIG_PCI
@@ -151,7 +128,7 @@ define_machine(sbc8641) {
 	.name			= "SBC8641D",
 	.probe			= sbc8641_probe,
 	.setup_arch		= sbc8641_setup_arch,
-	.init_IRQ		= sbc8641_init_irq,
+	.init_IRQ		= mpc86xx_init_irq,
 	.show_cpuinfo		= sbc8641_show_cpuinfo,
 	.get_irq		= mpic_get_irq,
 	.restart		= fsl_rstcr_restart,
diff --git a/arch/powerpc/platforms/8xx/mpc86xads_setup.c b/arch/powerpc/platforms/8xx/mpc86xads_setup.c
index c028a5b71bb..caaec29796b 100644
--- a/arch/powerpc/platforms/8xx/mpc86xads_setup.c
+++ b/arch/powerpc/platforms/8xx/mpc86xads_setup.c
@@ -65,6 +65,10 @@ static struct cpm_pin mpc866ads_pins[] = {
 	{CPM_PORTD, 13, CPM_PIN_OUTPUT},
 	{CPM_PORTD, 14, CPM_PIN_OUTPUT},
 	{CPM_PORTD, 15, CPM_PIN_OUTPUT},
+
+	/* I2C */
+	{CPM_PORTB, 26, CPM_PIN_INPUT | CPM_PIN_OPENDRAIN},
+	{CPM_PORTB, 27, CPM_PIN_INPUT | CPM_PIN_OPENDRAIN},
 };
 
 static void __init init_ioports(void)
diff --git a/arch/powerpc/platforms/8xx/mpc885ads_setup.c b/arch/powerpc/platforms/8xx/mpc885ads_setup.c
index 6e7ded0233f..45ed6cdc131 100644
--- a/arch/powerpc/platforms/8xx/mpc885ads_setup.c
+++ b/arch/powerpc/platforms/8xx/mpc885ads_setup.c
@@ -158,6 +158,9 @@ static struct cpm_pin mpc885ads_pins[] = {
 	{CPM_PORTE, 28, CPM_PIN_OUTPUT},
 	{CPM_PORTE, 29, CPM_PIN_OUTPUT},
 #endif
+	/* I2C */
+	{CPM_PORTB, 26, CPM_PIN_INPUT | CPM_PIN_OPENDRAIN},
+	{CPM_PORTB, 27, CPM_PIN_INPUT | CPM_PIN_OPENDRAIN},
 };
 
 static void __init init_ioports(void)
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index 87454c52697..690c1f46e69 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -1,36 +1,9 @@
 menu "Platform support"
 
-choice
-	prompt "Machine type"
-	depends on PPC64 || 6xx
-	default PPC_MULTIPLATFORM
-
 config PPC_MULTIPLATFORM
-	bool "Generic desktop/server/laptop"
-	help
-	  Select this option if configuring for an IBM pSeries or
-	  RS/6000 machine, an Apple machine, or a PReP, CHRP,
-	  Maple or Cell-based machine.
-
-config PPC_82xx
-	bool "Freescale 82xx"
-	depends on 6xx
-
-config PPC_83xx
-	bool "Freescale 83xx"
-	depends on 6xx
-	select FSL_SOC
-	select MPC83xx
-	select IPIC
-
-config PPC_86xx
-	bool "Freescale 86xx"
-	depends on 6xx
-	select FSL_SOC
-	select ALTIVEC
-	help
-	  The Freescale E600 SoCs have 74xx cores.
-endchoice
+	bool
+	depends on PPC64 || 6xx
+	default y
 
 config CLASSIC32
 	def_bool y
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index f7efaa925a1..5bc4b611ff8 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -95,6 +95,11 @@ config E500
 	select FSL_EMB_PERFMON
 	bool
 
+config PPC_E500MC
+	bool "e500mc Support"
+	select PPC_FPU
+	depends on E500
+
 config PPC_FPU
 	bool
 	default y if PPC64
@@ -155,9 +160,25 @@ config ALTIVEC
 
 	  If in doubt, say Y here.
 
+config VSX
+	bool "VSX Support"
+	depends on POWER4 && ALTIVEC && PPC_FPU
+	---help---
+
+	  This option enables kernel support for the Vector Scaler extensions
+	  to the PowerPC processor. The kernel currently supports saving and
+	  restoring VSX registers, and turning on the 'VSX enable' bit so user
+	  processes can execute VSX instructions.
+
+	  This option is only useful if you have a processor that supports
+	  VSX (P7 and above), but does not have any affect on a non-VSX
+	  CPUs (it does, however add code to the kernel).
+
+	  If in doubt, say Y here.
+
 config SPE
 	bool "SPE Support"
-	depends on E200 || E500
+	depends on E200 || (E500 && !PPC_E500MC)
 	default y
 	---help---
 	  This option enables kernel support for the Signal Processing
@@ -182,7 +203,7 @@ config PPC_STD_MMU_32
 
 config PPC_MM_SLICES
 	bool
-	default y if HUGETLB_PAGE
+	default y if HUGETLB_PAGE || PPC_64K_PAGES
 	default n
 
 config VIRT_CPU_ACCOUNTING
diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c
index c39f5c225f2..896548ba1ca 100644
--- a/arch/powerpc/platforms/cell/axon_msi.c
+++ b/arch/powerpc/platforms/cell/axon_msi.c
@@ -14,6 +14,7 @@
 #include <linux/pci.h>
 #include <linux/msi.h>
 #include <linux/of_platform.h>
+#include <linux/debugfs.h>
 
 #include <asm/dcr.h>
 #include <asm/machdep.h>
@@ -69,8 +70,19 @@ struct axon_msic {
 	dma_addr_t fifo_phys;
 	dcr_host_t dcr_host;
 	u32 read_offset;
+#ifdef DEBUG
+	u32 __iomem *trigger;
+#endif
 };
 
+#ifdef DEBUG
+void axon_msi_debug_setup(struct device_node *dn, struct axon_msic *msic);
+#else
+static inline void axon_msi_debug_setup(struct device_node *dn,
+					struct axon_msic *msic) { }
+#endif
+
+
 static void msic_dcr_write(struct axon_msic *msic, unsigned int dcr_n, u32 val)
 {
 	pr_debug("axon_msi: dcr_write(0x%x, 0x%x)\n", val, dcr_n);
@@ -346,7 +358,14 @@ static int axon_msi_probe(struct of_device *device,
 		goto out_free_msic;
 	}
 
-	msic->irq_host = irq_alloc_host(of_node_get(dn), IRQ_HOST_MAP_NOMAP,
+	virq = irq_of_parse_and_map(dn, 0);
+	if (virq == NO_IRQ) {
+		printk(KERN_ERR "axon_msi: irq parse and map failed for %s\n",
+		       dn->full_name);
+		goto out_free_fifo;
+	}
+
+	msic->irq_host = irq_alloc_host(dn, IRQ_HOST_MAP_NOMAP,
 					NR_IRQS, &msic_host_ops, 0);
 	if (!msic->irq_host) {
 		printk(KERN_ERR "axon_msi: couldn't allocate irq_host for %s\n",
@@ -356,13 +375,6 @@ static int axon_msi_probe(struct of_device *device,
 
 	msic->irq_host->host_data = msic;
 
-	virq = irq_of_parse_and_map(dn, 0);
-	if (virq == NO_IRQ) {
-		printk(KERN_ERR "axon_msi: irq parse and map failed for %s\n",
-		       dn->full_name);
-		goto out_free_host;
-	}
-
 	set_irq_data(virq, msic);
 	set_irq_chained_handler(virq, axon_msi_cascade);
 	pr_debug("axon_msi: irq 0x%x setup for axon_msi\n", virq);
@@ -381,12 +393,12 @@ static int axon_msi_probe(struct of_device *device,
 	ppc_md.teardown_msi_irqs = axon_msi_teardown_msi_irqs;
 	ppc_md.msi_check_device = axon_msi_check_device;
 
+	axon_msi_debug_setup(dn, msic);
+
 	printk(KERN_DEBUG "axon_msi: setup MSIC on %s\n", dn->full_name);
 
 	return 0;
 
-out_free_host:
-	kfree(msic->irq_host);
 out_free_fifo:
 	dma_free_coherent(&device->dev, MSIC_FIFO_SIZE_BYTES, msic->fifo_virt,
 			  msic->fifo_phys);
@@ -418,3 +430,47 @@ static int __init axon_msi_init(void)
 	return of_register_platform_driver(&axon_msi_driver);
 }
 subsys_initcall(axon_msi_init);
+
+
+#ifdef DEBUG
+static int msic_set(void *data, u64 val)
+{
+	struct axon_msic *msic = data;
+	out_le32(msic->trigger, val);
+	return 0;
+}
+
+static int msic_get(void *data, u64 *val)
+{
+	*val = 0;
+	return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(fops_msic, msic_get, msic_set, "%llu\n");
+
+void axon_msi_debug_setup(struct device_node *dn, struct axon_msic *msic)
+{
+	char name[8];
+	u64 addr;
+
+	addr = of_translate_address(dn, of_get_property(dn, "reg", NULL));
+	if (addr == OF_BAD_ADDR) {
+		pr_debug("axon_msi: couldn't translate reg property\n");
+		return;
+	}
+
+	msic->trigger = ioremap(addr, 0x4);
+	if (!msic->trigger) {
+		pr_debug("axon_msi: ioremap failed\n");
+		return;
+	}
+
+	snprintf(name, sizeof(name), "msic_%d", of_node_to_nid(dn));
+
+	if (!debugfs_create_file(name, 0600, powerpc_debugfs_root,
+				 msic, &fops_msic)) {
+		pr_debug("axon_msi: debugfs_create_file failed!\n");
+		return;
+	}
+}
+#endif /* DEBUG */
diff --git a/arch/powerpc/platforms/cell/beat_htab.c b/arch/powerpc/platforms/cell/beat_htab.c
index 81467ff055c..2e67bd840e0 100644
--- a/arch/powerpc/platforms/cell/beat_htab.c
+++ b/arch/powerpc/platforms/cell/beat_htab.c
@@ -112,7 +112,7 @@ static long beat_lpar_hpte_insert(unsigned long hpte_group,
 	if (!(vflags & HPTE_V_BOLTED))
 		DBG_LOW(" hpte_v=%016lx, hpte_r=%016lx\n", hpte_v, hpte_r);
 
-	if (rflags & (_PAGE_GUARDED|_PAGE_NO_CACHE))
+	if (rflags & _PAGE_NO_CACHE)
 		hpte_r &= ~_PAGE_COHERENT;
 
 	spin_lock(&beat_htab_lock);
@@ -334,7 +334,7 @@ static long beat_lpar_hpte_insert_v3(unsigned long hpte_group,
 	if (!(vflags & HPTE_V_BOLTED))
 		DBG_LOW(" hpte_v=%016lx, hpte_r=%016lx\n", hpte_v, hpte_r);
 
-	if (rflags & (_PAGE_GUARDED|_PAGE_NO_CACHE))
+	if (rflags & _PAGE_NO_CACHE)
 		hpte_r &= ~_PAGE_COHERENT;
 
 	/* insert into not-volted entry */
diff --git a/arch/powerpc/platforms/cell/celleb_scc_pciex.c b/arch/powerpc/platforms/cell/celleb_scc_pciex.c
index 31da84c458d..0e04f8fb152 100644
--- a/arch/powerpc/platforms/cell/celleb_scc_pciex.c
+++ b/arch/powerpc/platforms/cell/celleb_scc_pciex.c
@@ -217,7 +217,7 @@ static u##size scc_pciex_in##name(unsigned long port)			\
 static void scc_pciex_ins##name(unsigned long p, void *b, unsigned long c) \
 {									\
 	struct iowa_bus *bus = iowa_pio_find_bus(p);			\
-	u##size *dst = b;						\
+	__le##size *dst = b;						\
 	for (; c != 0; c--, dst++)					\
 		*dst = cpu_to_le##size(__scc_pciex_in##name(bus->phb, p)); \
 	scc_pciex_io_flush(bus);					\
@@ -231,10 +231,11 @@ static void scc_pciex_outs##name(unsigned long p, const void *b,	\
 				 unsigned long c)			\
 {									\
 	struct iowa_bus *bus = iowa_pio_find_bus(p);			\
-	const u##size *src = b;						\
+	const __le##size *src = b;					\
 	for (; c != 0; c--, src++)					\
 		__scc_pciex_out##name(bus->phb, le##size##_to_cpu(*src), p); \
 }
+#define __le8 u8
 #define cpu_to_le8(x) (x)
 #define le8_to_cpu(x) (x)
 PCIEX_PIO_FUNC(8, b)
diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c
index 5bf7df14602..2d5bb22d6c0 100644
--- a/arch/powerpc/platforms/cell/interrupt.c
+++ b/arch/powerpc/platforms/cell/interrupt.c
@@ -218,6 +218,7 @@ void iic_request_IPIs(void)
 {
 	iic_request_ipi(PPC_MSG_CALL_FUNCTION, "IPI-call");
 	iic_request_ipi(PPC_MSG_RESCHEDULE, "IPI-resched");
+	iic_request_ipi(PPC_MSG_CALL_FUNC_SINGLE, "IPI-call-single");
 #ifdef CONFIG_DEBUGGER
 	iic_request_ipi(PPC_MSG_DEBUGGER_BREAK, "IPI-debug");
 #endif /* CONFIG_DEBUGGER */
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index 45646b2b4af..eeacb3a52ca 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -540,7 +540,7 @@ static unsigned long cell_dma_direct_offset;
 static unsigned long dma_iommu_fixed_base;
 struct dma_mapping_ops dma_iommu_fixed_ops;
 
-static void cell_dma_dev_setup_iommu(struct device *dev)
+static struct iommu_table *cell_get_iommu_table(struct device *dev)
 {
 	struct iommu_window *window;
 	struct cbe_iommu *iommu;
@@ -555,11 +555,11 @@ static void cell_dma_dev_setup_iommu(struct device *dev)
 		printk(KERN_ERR "iommu: missing iommu for %s (node %d)\n",
 		       archdata->of_node ? archdata->of_node->full_name : "?",
 		       archdata->numa_node);
-		return;
+		return NULL;
 	}
 	window = list_entry(iommu->windows.next, struct iommu_window, list);
 
-	archdata->dma_data = &window->table;
+	return &window->table;
 }
 
 static void cell_dma_dev_setup_fixed(struct device *dev);
@@ -572,7 +572,7 @@ static void cell_dma_dev_setup(struct device *dev)
 	if (get_dma_ops(dev) == &dma_iommu_fixed_ops)
 		cell_dma_dev_setup_fixed(dev);
 	else if (get_pci_dma_ops() == &dma_iommu_ops)
-		cell_dma_dev_setup_iommu(dev);
+		archdata->dma_data = cell_get_iommu_table(dev);
 	else if (get_pci_dma_ops() == &dma_direct_ops)
 		archdata->dma_data = (void *)cell_dma_direct_offset;
 	else
diff --git a/arch/powerpc/platforms/cell/ras.c b/arch/powerpc/platforms/cell/ras.c
index 655704ad03c..505f9b9bdf0 100644
--- a/arch/powerpc/platforms/cell/ras.c
+++ b/arch/powerpc/platforms/cell/ras.c
@@ -17,6 +17,7 @@
 #include <asm/reg.h>
 #include <asm/io.h>
 #include <asm/prom.h>
+#include <asm/kexec.h>
 #include <asm/machdep.h>
 #include <asm/rtas.h>
 #include <asm/cell-regs.h>
@@ -226,6 +227,11 @@ static int cbe_ptcal_notify_reboot(struct notifier_block *nb,
 	return cbe_ptcal_disable();
 }
 
+static void cbe_ptcal_crash_shutdown(void)
+{
+	cbe_ptcal_disable();
+}
+
 static struct notifier_block cbe_ptcal_reboot_notifier = {
 	.notifier_call = cbe_ptcal_notify_reboot
 };
@@ -241,12 +247,20 @@ int __init cbe_ptcal_init(void)
 		return -ENODEV;
 
 	ret = register_reboot_notifier(&cbe_ptcal_reboot_notifier);
-	if (ret) {
-		printk(KERN_ERR "Can't disable PTCAL, so not enabling\n");
-		return ret;
-	}
+	if (ret)
+		goto out1;
+
+	ret = crash_shutdown_register(&cbe_ptcal_crash_shutdown);
+	if (ret)
+		goto out2;
 
 	return cbe_ptcal_enable();
+
+out2:
+	unregister_reboot_notifier(&cbe_ptcal_reboot_notifier);
+out1:
+	printk(KERN_ERR "Can't disable PTCAL, so not enabling\n");
+	return ret;
 }
 
 arch_initcall(cbe_ptcal_init);
diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c
index 3f4b4aef756..4e5655624ae 100644
--- a/arch/powerpc/platforms/cell/spider-pic.c
+++ b/arch/powerpc/platforms/cell/spider-pic.c
@@ -300,7 +300,7 @@ static void __init spider_init_one(struct device_node *of_node, int chip,
 		panic("spider_pic: can't map registers !");
 
 	/* Allocate a host */
-	pic->host = irq_alloc_host(of_node_get(of_node), IRQ_HOST_MAP_LINEAR,
+	pic->host = irq_alloc_host(of_node, IRQ_HOST_MAP_LINEAR,
 				   SPIDER_SRC_COUNT, &spider_host_ops,
 				   SPIDER_IRQ_INVALID);
 	if (pic->host == NULL)
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index 70c660121ec..78f905bc6a4 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -219,15 +219,25 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
 extern int hash_page(unsigned long ea, unsigned long access, unsigned long trap); //XXX
 static int __spu_trap_data_map(struct spu *spu, unsigned long ea, u64 dsisr)
 {
+	int ret;
+
 	pr_debug("%s, %lx, %lx\n", __func__, dsisr, ea);
 
-	/* Handle kernel space hash faults immediately.
-	   User hash faults need to be deferred to process context. */
-	if ((dsisr & MFC_DSISR_PTE_NOT_FOUND)
-	    && REGION_ID(ea) != USER_REGION_ID
-	    && hash_page(ea, _PAGE_PRESENT, 0x300) == 0) {
-		spu_restart_dma(spu);
-		return 0;
+	/*
+	 * Handle kernel space hash faults immediately. User hash
+	 * faults need to be deferred to process context.
+	 */
+	if ((dsisr & MFC_DSISR_PTE_NOT_FOUND) &&
+	    (REGION_ID(ea) != USER_REGION_ID)) {
+
+		spin_unlock(&spu->register_lock);
+		ret = hash_page(ea, _PAGE_PRESENT, 0x300);
+		spin_lock(&spu->register_lock);
+
+		if (!ret) {
+			spu_restart_dma(spu);
+			return 0;
+		}
 	}
 
 	spu->class_1_dar = ea;
@@ -324,17 +334,13 @@ spu_irq_class_0(int irq, void *data)
 	stat = spu_int_stat_get(spu, 0) & mask;
 
 	spu->class_0_pending |= stat;
-	spu->class_0_dsisr = spu_mfc_dsisr_get(spu);
 	spu->class_0_dar = spu_mfc_dar_get(spu);
-	spin_unlock(&spu->register_lock);
-
 	spu->stop_callback(spu, 0);
-
 	spu->class_0_pending = 0;
-	spu->class_0_dsisr = 0;
 	spu->class_0_dar = 0;
 
 	spu_int_stat_clear(spu, 0, stat);
+	spin_unlock(&spu->register_lock);
 
 	return IRQ_HANDLED;
 }
@@ -357,13 +363,12 @@ spu_irq_class_1(int irq, void *data)
 		spu_mfc_dsisr_set(spu, 0ul);
 	spu_int_stat_clear(spu, 1, stat);
 
-	if (stat & CLASS1_SEGMENT_FAULT_INTR)
-		__spu_trap_data_seg(spu, dar);
-
-	spin_unlock(&spu->register_lock);
 	pr_debug("%s: %lx %lx %lx %lx\n", __func__, mask, stat,
 			dar, dsisr);
 
+	if (stat & CLASS1_SEGMENT_FAULT_INTR)
+		__spu_trap_data_seg(spu, dar);
+
 	if (stat & CLASS1_STORAGE_FAULT_INTR)
 		__spu_trap_data_map(spu, dar, dsisr);
 
@@ -376,6 +381,8 @@ spu_irq_class_1(int irq, void *data)
 	spu->class_1_dsisr = 0;
 	spu->class_1_dar = 0;
 
+	spin_unlock(&spu->register_lock);
+
 	return stat ? IRQ_HANDLED : IRQ_NONE;
 }
 
@@ -394,14 +401,12 @@ spu_irq_class_2(int irq, void *data)
 	mask = spu_int_mask_get(spu, 2);
 	/* ignore interrupts we're not waiting for */
 	stat &= mask;
-
 	/* mailbox interrupts are level triggered. mask them now before
 	 * acknowledging */
 	if (stat & mailbox_intrs)
 		spu_int_mask_and(spu, 2, ~(stat & mailbox_intrs));
 	/* acknowledge all interrupts before the callbacks */
 	spu_int_stat_clear(spu, 2, stat);
-	spin_unlock(&spu->register_lock);
 
 	pr_debug("class 2 interrupt %d, %lx, %lx\n", irq, stat, mask);
 
@@ -421,6 +426,9 @@ spu_irq_class_2(int irq, void *data)
 		spu->wbox_callback(spu);
 
 	spu->stats.class2_intr++;
+
+	spin_unlock(&spu->register_lock);
+
 	return stat ? IRQ_HANDLED : IRQ_NONE;
 }
 
diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c
index 177735f7931..6653ddbed04 100644
--- a/arch/powerpc/platforms/cell/spufs/context.c
+++ b/arch/powerpc/platforms/cell/spufs/context.c
@@ -130,17 +130,17 @@ void spu_unmap_mappings(struct spu_context *ctx)
 	if (ctx->local_store)
 		unmap_mapping_range(ctx->local_store, 0, LS_SIZE, 1);
 	if (ctx->mfc)
-		unmap_mapping_range(ctx->mfc, 0, 0x1000, 1);
+		unmap_mapping_range(ctx->mfc, 0, SPUFS_MFC_MAP_SIZE, 1);
 	if (ctx->cntl)
-		unmap_mapping_range(ctx->cntl, 0, 0x1000, 1);
+		unmap_mapping_range(ctx->cntl, 0, SPUFS_CNTL_MAP_SIZE, 1);
 	if (ctx->signal1)
-		unmap_mapping_range(ctx->signal1, 0, PAGE_SIZE, 1);
+		unmap_mapping_range(ctx->signal1, 0, SPUFS_SIGNAL_MAP_SIZE, 1);
 	if (ctx->signal2)
-		unmap_mapping_range(ctx->signal2, 0, PAGE_SIZE, 1);
+		unmap_mapping_range(ctx->signal2, 0, SPUFS_SIGNAL_MAP_SIZE, 1);
 	if (ctx->mss)
-		unmap_mapping_range(ctx->mss, 0, 0x1000, 1);
+		unmap_mapping_range(ctx->mss, 0, SPUFS_MSS_MAP_SIZE, 1);
 	if (ctx->psmap)
-		unmap_mapping_range(ctx->psmap, 0, 0x20000, 1);
+		unmap_mapping_range(ctx->psmap, 0, SPUFS_PS_MAP_SIZE, 1);
 	mutex_unlock(&ctx->mapping_lock);
 }
 
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index c81341ff75b..99c73066b82 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -238,11 +238,13 @@ spufs_mem_write(struct file *file, const char __user *buffer,
 	return size;
 }
 
-static unsigned long spufs_mem_mmap_nopfn(struct vm_area_struct *vma,
-					  unsigned long address)
+static int
+spufs_mem_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
 	struct spu_context *ctx	= vma->vm_file->private_data;
-	unsigned long pfn, offset, addr0 = address;
+	unsigned long address = (unsigned long)vmf->virtual_address;
+	unsigned long pfn, offset;
+
 #ifdef CONFIG_SPU_FS_64K_LS
 	struct spu_state *csa = &ctx->csa;
 	int psize;
@@ -260,15 +262,15 @@ static unsigned long spufs_mem_mmap_nopfn(struct vm_area_struct *vma,
 	}
 #endif /* CONFIG_SPU_FS_64K_LS */
 
-	offset = (address - vma->vm_start) + (vma->vm_pgoff << PAGE_SHIFT);
+	offset = vmf->pgoff << PAGE_SHIFT;
 	if (offset >= LS_SIZE)
-		return NOPFN_SIGBUS;
+		return VM_FAULT_SIGBUS;
 
-	pr_debug("spufs_mem_mmap_nopfn address=0x%lx -> 0x%lx, offset=0x%lx\n",
-		 addr0, address, offset);
+	pr_debug("spufs_mem_mmap_fault address=0x%lx, offset=0x%lx\n",
+			address, offset);
 
 	if (spu_acquire(ctx))
-		return NOPFN_REFAULT;
+		return VM_FAULT_NOPAGE;
 
 	if (ctx->state == SPU_STATE_SAVED) {
 		vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
@@ -283,12 +285,12 @@ static unsigned long spufs_mem_mmap_nopfn(struct vm_area_struct *vma,
 
 	spu_release(ctx);
 
-	return NOPFN_REFAULT;
+	return VM_FAULT_NOPAGE;
 }
 
 
 static struct vm_operations_struct spufs_mem_mmap_vmops = {
-	.nopfn = spufs_mem_mmap_nopfn,
+	.fault = spufs_mem_mmap_fault,
 };
 
 static int spufs_mem_mmap(struct file *file, struct vm_area_struct *vma)
@@ -351,20 +353,19 @@ static const struct file_operations spufs_mem_fops = {
 #endif
 };
 
-static unsigned long spufs_ps_nopfn(struct vm_area_struct *vma,
-				    unsigned long address,
+static int spufs_ps_fault(struct vm_area_struct *vma,
+				    struct vm_fault *vmf,
 				    unsigned long ps_offs,
 				    unsigned long ps_size)
 {
 	struct spu_context *ctx = vma->vm_file->private_data;
-	unsigned long area, offset = address - vma->vm_start;
+	unsigned long area, offset = vmf->pgoff << PAGE_SHIFT;
 	int ret = 0;
 
-	spu_context_nospu_trace(spufs_ps_nopfn__enter, ctx);
+	spu_context_nospu_trace(spufs_ps_fault__enter, ctx);
 
-	offset += vma->vm_pgoff << PAGE_SHIFT;
 	if (offset >= ps_size)
-		return NOPFN_SIGBUS;
+		return VM_FAULT_SIGBUS;
 
 	/*
 	 * Because we release the mmap_sem, the context may be destroyed while
@@ -378,7 +379,7 @@ static unsigned long spufs_ps_nopfn(struct vm_area_struct *vma,
 	 * pages to hand out to the user, but we don't want to wait
 	 * with the mmap_sem held.
 	 * It is possible to drop the mmap_sem here, but then we need
-	 * to return NOPFN_REFAULT because the mappings may have
+	 * to return VM_FAULT_NOPAGE because the mappings may have
 	 * hanged.
 	 */
 	if (spu_acquire(ctx))
@@ -386,14 +387,15 @@ static unsigned long spufs_ps_nopfn(struct vm_area_struct *vma,
 
 	if (ctx->state == SPU_STATE_SAVED) {
 		up_read(&current->mm->mmap_sem);
-		spu_context_nospu_trace(spufs_ps_nopfn__sleep, ctx);
+		spu_context_nospu_trace(spufs_ps_fault__sleep, ctx);
 		ret = spufs_wait(ctx->run_wq, ctx->state == SPU_STATE_RUNNABLE);
-		spu_context_trace(spufs_ps_nopfn__wake, ctx, ctx->spu);
+		spu_context_trace(spufs_ps_fault__wake, ctx, ctx->spu);
 		down_read(&current->mm->mmap_sem);
 	} else {
 		area = ctx->spu->problem_phys + ps_offs;
-		vm_insert_pfn(vma, address, (area + offset) >> PAGE_SHIFT);
-		spu_context_trace(spufs_ps_nopfn__insert, ctx, ctx->spu);
+		vm_insert_pfn(vma, (unsigned long)vmf->virtual_address,
+					(area + offset) >> PAGE_SHIFT);
+		spu_context_trace(spufs_ps_fault__insert, ctx, ctx->spu);
 	}
 
 	if (!ret)
@@ -401,18 +403,18 @@ static unsigned long spufs_ps_nopfn(struct vm_area_struct *vma,
 
 refault:
 	put_spu_context(ctx);
-	return NOPFN_REFAULT;
+	return VM_FAULT_NOPAGE;
 }
 
 #if SPUFS_MMAP_4K
-static unsigned long spufs_cntl_mmap_nopfn(struct vm_area_struct *vma,
-					   unsigned long address)
+static int spufs_cntl_mmap_fault(struct vm_area_struct *vma,
+					   struct vm_fault *vmf)
 {
-	return spufs_ps_nopfn(vma, address, 0x4000, 0x1000);
+	return spufs_ps_fault(vma, vmf, 0x4000, SPUFS_CNTL_MAP_SIZE);
 }
 
 static struct vm_operations_struct spufs_cntl_mmap_vmops = {
-	.nopfn = spufs_cntl_mmap_nopfn,
+	.fault = spufs_cntl_mmap_fault,
 };
 
 /*
@@ -1097,23 +1099,23 @@ static ssize_t spufs_signal1_write(struct file *file, const char __user *buf,
 	return 4;
 }
 
-static unsigned long spufs_signal1_mmap_nopfn(struct vm_area_struct *vma,
-					      unsigned long address)
+static int
+spufs_signal1_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
-#if PAGE_SIZE == 0x1000
-	return spufs_ps_nopfn(vma, address, 0x14000, 0x1000);
-#elif PAGE_SIZE == 0x10000
+#if SPUFS_SIGNAL_MAP_SIZE == 0x1000
+	return spufs_ps_fault(vma, vmf, 0x14000, SPUFS_SIGNAL_MAP_SIZE);
+#elif SPUFS_SIGNAL_MAP_SIZE == 0x10000
 	/* For 64k pages, both signal1 and signal2 can be used to mmap the whole
 	 * signal 1 and 2 area
 	 */
-	return spufs_ps_nopfn(vma, address, 0x10000, 0x10000);
+	return spufs_ps_fault(vma, vmf, 0x10000, SPUFS_SIGNAL_MAP_SIZE);
 #else
 #error unsupported page size
 #endif
 }
 
 static struct vm_operations_struct spufs_signal1_mmap_vmops = {
-	.nopfn = spufs_signal1_mmap_nopfn,
+	.fault = spufs_signal1_mmap_fault,
 };
 
 static int spufs_signal1_mmap(struct file *file, struct vm_area_struct *vma)
@@ -1234,23 +1236,23 @@ static ssize_t spufs_signal2_write(struct file *file, const char __user *buf,
 }
 
 #if SPUFS_MMAP_4K
-static unsigned long spufs_signal2_mmap_nopfn(struct vm_area_struct *vma,
-					      unsigned long address)
+static int
+spufs_signal2_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
-#if PAGE_SIZE == 0x1000
-	return spufs_ps_nopfn(vma, address, 0x1c000, 0x1000);
-#elif PAGE_SIZE == 0x10000
+#if SPUFS_SIGNAL_MAP_SIZE == 0x1000
+	return spufs_ps_fault(vma, vmf, 0x1c000, SPUFS_SIGNAL_MAP_SIZE);
+#elif SPUFS_SIGNAL_MAP_SIZE == 0x10000
 	/* For 64k pages, both signal1 and signal2 can be used to mmap the whole
 	 * signal 1 and 2 area
 	 */
-	return spufs_ps_nopfn(vma, address, 0x10000, 0x10000);
+	return spufs_ps_fault(vma, vmf, 0x10000, SPUFS_SIGNAL_MAP_SIZE);
 #else
 #error unsupported page size
 #endif
 }
 
 static struct vm_operations_struct spufs_signal2_mmap_vmops = {
-	.nopfn = spufs_signal2_mmap_nopfn,
+	.fault = spufs_signal2_mmap_fault,
 };
 
 static int spufs_signal2_mmap(struct file *file, struct vm_area_struct *vma)
@@ -1362,14 +1364,14 @@ DEFINE_SPUFS_ATTRIBUTE(spufs_signal2_type, spufs_signal2_type_get,
 		       spufs_signal2_type_set, "%llu\n", SPU_ATTR_ACQUIRE);
 
 #if SPUFS_MMAP_4K
-static unsigned long spufs_mss_mmap_nopfn(struct vm_area_struct *vma,
-					  unsigned long address)
+static int
+spufs_mss_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
-	return spufs_ps_nopfn(vma, address, 0x0000, 0x1000);
+	return spufs_ps_fault(vma, vmf, 0x0000, SPUFS_MSS_MAP_SIZE);
 }
 
 static struct vm_operations_struct spufs_mss_mmap_vmops = {
-	.nopfn = spufs_mss_mmap_nopfn,
+	.fault = spufs_mss_mmap_fault,
 };
 
 /*
@@ -1424,14 +1426,14 @@ static const struct file_operations spufs_mss_fops = {
 	.mmap	 = spufs_mss_mmap,
 };
 
-static unsigned long spufs_psmap_mmap_nopfn(struct vm_area_struct *vma,
-					    unsigned long address)
+static int
+spufs_psmap_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
-	return spufs_ps_nopfn(vma, address, 0x0000, 0x20000);
+	return spufs_ps_fault(vma, vmf, 0x0000, SPUFS_PS_MAP_SIZE);
 }
 
 static struct vm_operations_struct spufs_psmap_mmap_vmops = {
-	.nopfn = spufs_psmap_mmap_nopfn,
+	.fault = spufs_psmap_mmap_fault,
 };
 
 /*
@@ -1484,14 +1486,14 @@ static const struct file_operations spufs_psmap_fops = {
 
 
 #if SPUFS_MMAP_4K
-static unsigned long spufs_mfc_mmap_nopfn(struct vm_area_struct *vma,
-					  unsigned long address)
+static int
+spufs_mfc_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
-	return spufs_ps_nopfn(vma, address, 0x3000, 0x1000);
+	return spufs_ps_fault(vma, vmf, 0x3000, SPUFS_MFC_MAP_SIZE);
 }
 
 static struct vm_operations_struct spufs_mfc_mmap_vmops = {
-	.nopfn = spufs_mfc_mmap_nopfn,
+	.fault = spufs_mfc_mmap_fault,
 };
 
 /*
@@ -2553,22 +2555,74 @@ void spu_switch_log_notify(struct spu *spu, struct spu_context *ctx,
 	wake_up(&ctx->switch_log->wait);
 }
 
-struct tree_descr spufs_dir_contents[] = {
+static int spufs_show_ctx(struct seq_file *s, void *private)
+{
+	struct spu_context *ctx = s->private;
+	u64 mfc_control_RW;
+
+	mutex_lock(&ctx->state_mutex);
+	if (ctx->spu) {
+		struct spu *spu = ctx->spu;
+		struct spu_priv2 __iomem *priv2 = spu->priv2;
+
+		spin_lock_irq(&spu->register_lock);
+		mfc_control_RW = in_be64(&priv2->mfc_control_RW);
+		spin_unlock_irq(&spu->register_lock);
+	} else {
+		struct spu_state *csa = &ctx->csa;
+
+		mfc_control_RW = csa->priv2.mfc_control_RW;
+	}
+
+	seq_printf(s, "%c flgs(%lx) sflgs(%lx) pri(%d) ts(%d) spu(%02d)"
+		" %c %lx %lx %lx %lx %x %x\n",
+		ctx->state == SPU_STATE_SAVED ? 'S' : 'R',
+		ctx->flags,
+		ctx->sched_flags,
+		ctx->prio,
+		ctx->time_slice,
+		ctx->spu ? ctx->spu->number : -1,
+		!list_empty(&ctx->rq) ? 'q' : ' ',
+		ctx->csa.class_0_pending,
+		ctx->csa.class_0_dar,
+		ctx->csa.class_1_dsisr,
+		mfc_control_RW,
+		ctx->ops->runcntl_read(ctx),
+		ctx->ops->status_read(ctx));
+
+	mutex_unlock(&ctx->state_mutex);
+
+	return 0;
+}
+
+static int spufs_ctx_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, spufs_show_ctx, SPUFS_I(inode)->i_ctx);
+}
+
+static const struct file_operations spufs_ctx_fops = {
+	.open           = spufs_ctx_open,
+	.read           = seq_read,
+	.llseek         = seq_lseek,
+	.release        = single_release,
+};
+
+struct spufs_tree_descr spufs_dir_contents[] = {
 	{ "capabilities", &spufs_caps_fops, 0444, },
-	{ "mem",  &spufs_mem_fops,  0666, },
-	{ "regs", &spufs_regs_fops,  0666, },
+	{ "mem",  &spufs_mem_fops,  0666, LS_SIZE, },
+	{ "regs", &spufs_regs_fops,  0666, sizeof(struct spu_reg128[128]), },
 	{ "mbox", &spufs_mbox_fops, 0444, },
 	{ "ibox", &spufs_ibox_fops, 0444, },
 	{ "wbox", &spufs_wbox_fops, 0222, },
-	{ "mbox_stat", &spufs_mbox_stat_fops, 0444, },
-	{ "ibox_stat", &spufs_ibox_stat_fops, 0444, },
-	{ "wbox_stat", &spufs_wbox_stat_fops, 0444, },
+	{ "mbox_stat", &spufs_mbox_stat_fops, 0444, sizeof(u32), },
+	{ "ibox_stat", &spufs_ibox_stat_fops, 0444, sizeof(u32), },
+	{ "wbox_stat", &spufs_wbox_stat_fops, 0444, sizeof(u32), },
 	{ "signal1", &spufs_signal1_fops, 0666, },
 	{ "signal2", &spufs_signal2_fops, 0666, },
 	{ "signal1_type", &spufs_signal1_type, 0666, },
 	{ "signal2_type", &spufs_signal2_type, 0666, },
 	{ "cntl", &spufs_cntl_fops,  0666, },
-	{ "fpcr", &spufs_fpcr_fops, 0666, },
+	{ "fpcr", &spufs_fpcr_fops, 0666, sizeof(struct spu_reg128), },
 	{ "lslr", &spufs_lslr_ops, 0444, },
 	{ "mfc", &spufs_mfc_fops, 0666, },
 	{ "mss", &spufs_mss_fops, 0666, },
@@ -2578,29 +2632,31 @@ struct tree_descr spufs_dir_contents[] = {
 	{ "decr_status", &spufs_decr_status_ops, 0666, },
 	{ "event_mask", &spufs_event_mask_ops, 0666, },
 	{ "event_status", &spufs_event_status_ops, 0444, },
-	{ "psmap", &spufs_psmap_fops, 0666, },
+	{ "psmap", &spufs_psmap_fops, 0666, SPUFS_PS_MAP_SIZE, },
 	{ "phys-id", &spufs_id_ops, 0666, },
 	{ "object-id", &spufs_object_id_ops, 0666, },
-	{ "mbox_info", &spufs_mbox_info_fops, 0444, },
-	{ "ibox_info", &spufs_ibox_info_fops, 0444, },
-	{ "wbox_info", &spufs_wbox_info_fops, 0444, },
-	{ "dma_info", &spufs_dma_info_fops, 0444, },
-	{ "proxydma_info", &spufs_proxydma_info_fops, 0444, },
+	{ "mbox_info", &spufs_mbox_info_fops, 0444, sizeof(u32), },
+	{ "ibox_info", &spufs_ibox_info_fops, 0444, sizeof(u32), },
+	{ "wbox_info", &spufs_wbox_info_fops, 0444, sizeof(u32), },
+	{ "dma_info", &spufs_dma_info_fops, 0444,
+		sizeof(struct spu_dma_info), },
+	{ "proxydma_info", &spufs_proxydma_info_fops, 0444,
+		sizeof(struct spu_proxydma_info)},
 	{ "tid", &spufs_tid_fops, 0444, },
 	{ "stat", &spufs_stat_fops, 0444, },
 	{ "switch_log", &spufs_switch_log_fops, 0444 },
 	{},
 };
 
-struct tree_descr spufs_dir_nosched_contents[] = {
+struct spufs_tree_descr spufs_dir_nosched_contents[] = {
 	{ "capabilities", &spufs_caps_fops, 0444, },
-	{ "mem",  &spufs_mem_fops,  0666, },
+	{ "mem",  &spufs_mem_fops,  0666, LS_SIZE, },
 	{ "mbox", &spufs_mbox_fops, 0444, },
 	{ "ibox", &spufs_ibox_fops, 0444, },
 	{ "wbox", &spufs_wbox_fops, 0222, },
-	{ "mbox_stat", &spufs_mbox_stat_fops, 0444, },
-	{ "ibox_stat", &spufs_ibox_stat_fops, 0444, },
-	{ "wbox_stat", &spufs_wbox_stat_fops, 0444, },
+	{ "mbox_stat", &spufs_mbox_stat_fops, 0444, sizeof(u32), },
+	{ "ibox_stat", &spufs_ibox_stat_fops, 0444, sizeof(u32), },
+	{ "wbox_stat", &spufs_wbox_stat_fops, 0444, sizeof(u32), },
 	{ "signal1", &spufs_signal1_nosched_fops, 0222, },
 	{ "signal2", &spufs_signal2_nosched_fops, 0222, },
 	{ "signal1_type", &spufs_signal1_type, 0666, },
@@ -2609,7 +2665,7 @@ struct tree_descr spufs_dir_nosched_contents[] = {
 	{ "mfc", &spufs_mfc_fops, 0666, },
 	{ "cntl", &spufs_cntl_fops,  0666, },
 	{ "npc", &spufs_npc_ops, 0666, },
-	{ "psmap", &spufs_psmap_fops, 0666, },
+	{ "psmap", &spufs_psmap_fops, 0666, SPUFS_PS_MAP_SIZE, },
 	{ "phys-id", &spufs_id_ops, 0666, },
 	{ "object-id", &spufs_object_id_ops, 0666, },
 	{ "tid", &spufs_tid_fops, 0444, },
@@ -2617,6 +2673,11 @@ struct tree_descr spufs_dir_nosched_contents[] = {
 	{},
 };
 
+struct spufs_tree_descr spufs_dir_debug_contents[] = {
+	{ ".ctx", &spufs_ctx_fops, 0444, },
+	{},
+};
+
 struct spufs_coredump_reader spufs_coredump_read[] = {
 	{ "regs", __spufs_regs_read, NULL, sizeof(struct spu_reg128[128])},
 	{ "fpcr", __spufs_fpcr_read, NULL, sizeof(struct spu_reg128) },
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index f407b247185..7123472801d 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -42,10 +42,19 @@
 
 #include "spufs.h"
 
+struct spufs_sb_info {
+	int debug;
+};
+
 static struct kmem_cache *spufs_inode_cache;
 char *isolated_loader;
 static int isolated_loader_size;
 
+static struct spufs_sb_info *spufs_get_sb_info(struct super_block *sb)
+{
+	return sb->s_fs_info;
+}
+
 static struct inode *
 spufs_alloc_inode(struct super_block *sb)
 {
@@ -109,7 +118,7 @@ spufs_setattr(struct dentry *dentry, struct iattr *attr)
 static int
 spufs_new_file(struct super_block *sb, struct dentry *dentry,
 		const struct file_operations *fops, int mode,
-		struct spu_context *ctx)
+		size_t size, struct spu_context *ctx)
 {
 	static struct inode_operations spufs_file_iops = {
 		.setattr = spufs_setattr,
@@ -125,6 +134,7 @@ spufs_new_file(struct super_block *sb, struct dentry *dentry,
 	ret = 0;
 	inode->i_op = &spufs_file_iops;
 	inode->i_fop = fops;
+	inode->i_size = size;
 	inode->i_private = SPUFS_I(inode)->i_ctx = get_spu_context(ctx);
 	d_add(dentry, inode);
 out:
@@ -177,7 +187,7 @@ static int spufs_rmdir(struct inode *parent, struct dentry *dir)
 	return simple_rmdir(parent, dir);
 }
 
-static int spufs_fill_dir(struct dentry *dir, struct tree_descr *files,
+static int spufs_fill_dir(struct dentry *dir, struct spufs_tree_descr *files,
 			  int mode, struct spu_context *ctx)
 {
 	struct dentry *dentry, *tmp;
@@ -189,7 +199,7 @@ static int spufs_fill_dir(struct dentry *dir, struct tree_descr *files,
 		if (!dentry)
 			goto out;
 		ret = spufs_new_file(dir->d_sb, dentry, files->ops,
-					files->mode & mode, ctx);
+					files->mode & mode, files->size, ctx);
 		if (ret)
 			goto out;
 		files++;
@@ -279,6 +289,13 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags,
 	if (ret)
 		goto out_free_ctx;
 
+	if (spufs_get_sb_info(dir->i_sb)->debug)
+		ret = spufs_fill_dir(dentry, spufs_dir_debug_contents,
+				mode, ctx);
+
+	if (ret)
+		goto out_free_ctx;
+
 	d_instantiate(dentry, inode);
 	dget(dentry);
 	dir->i_nlink++;
@@ -639,18 +656,19 @@ out:
 
 /* File system initialization */
 enum {
-	Opt_uid, Opt_gid, Opt_mode, Opt_err,
+	Opt_uid, Opt_gid, Opt_mode, Opt_debug, Opt_err,
 };
 
 static match_table_t spufs_tokens = {
-	{ Opt_uid,  "uid=%d" },
-	{ Opt_gid,  "gid=%d" },
-	{ Opt_mode, "mode=%o" },
-	{ Opt_err,   NULL  },
+	{ Opt_uid,   "uid=%d" },
+	{ Opt_gid,   "gid=%d" },
+	{ Opt_mode,  "mode=%o" },
+	{ Opt_debug, "debug" },
+	{ Opt_err,    NULL  },
 };
 
 static int
-spufs_parse_options(char *options, struct inode *root)
+spufs_parse_options(struct super_block *sb, char *options, struct inode *root)
 {
 	char *p;
 	substring_t args[MAX_OPT_ARGS];
@@ -678,6 +696,9 @@ spufs_parse_options(char *options, struct inode *root)
 				return 0;
 			root->i_mode = option | S_IFDIR;
 			break;
+		case Opt_debug:
+			spufs_get_sb_info(sb)->debug = 1;
+			break;
 		default:
 			return 0;
 		}
@@ -736,7 +757,7 @@ spufs_create_root(struct super_block *sb, void *data)
 	SPUFS_I(inode)->i_ctx = NULL;
 
 	ret = -EINVAL;
-	if (!spufs_parse_options(data, inode))
+	if (!spufs_parse_options(sb, data, inode))
 		goto out_iput;
 
 	ret = -ENOMEM;
@@ -754,6 +775,7 @@ out:
 static int
 spufs_fill_super(struct super_block *sb, void *data, int silent)
 {
+	struct spufs_sb_info *info;
 	static struct super_operations s_ops = {
 		.alloc_inode = spufs_alloc_inode,
 		.destroy_inode = spufs_destroy_inode,
@@ -765,11 +787,16 @@ spufs_fill_super(struct super_block *sb, void *data, int silent)
 
 	save_mount_options(sb, data);
 
+	info = kzalloc(sizeof(*info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+
 	sb->s_maxbytes = MAX_LFS_FILESIZE;
 	sb->s_blocksize = PAGE_CACHE_SIZE;
 	sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
 	sb->s_magic = SPUFS_MAGIC;
 	sb->s_op = &s_ops;
+	sb->s_fs_info = info;
 
 	return spufs_create_root(sb, data);
 }
diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c
index b7493b86581..f7edba6cb79 100644
--- a/arch/powerpc/platforms/cell/spufs/run.c
+++ b/arch/powerpc/platforms/cell/spufs/run.c
@@ -27,7 +27,6 @@ void spufs_stop_callback(struct spu *spu, int irq)
 		switch(irq) {
 		case 0 :
 			ctx->csa.class_0_pending = spu->class_0_pending;
-			ctx->csa.class_0_dsisr = spu->class_0_dsisr;
 			ctx->csa.class_0_dar = spu->class_0_dar;
 			break;
 		case 1 :
@@ -51,18 +50,22 @@ int spu_stopped(struct spu_context *ctx, u32 *stat)
 	u64 dsisr;
 	u32 stopped;
 
-	*stat = ctx->ops->status_read(ctx);
-
-	if (test_bit(SPU_SCHED_NOTIFY_ACTIVE, &ctx->sched_flags))
-		return 1;
-
 	stopped = SPU_STATUS_INVALID_INSTR | SPU_STATUS_SINGLE_STEP |
 		SPU_STATUS_STOPPED_BY_HALT | SPU_STATUS_STOPPED_BY_STOP;
-	if (!(*stat & SPU_STATUS_RUNNING) && (*stat & stopped))
+
+top:
+	*stat = ctx->ops->status_read(ctx);
+	if (*stat & stopped) {
+		/*
+		 * If the spu hasn't finished stopping, we need to
+		 * re-read the register to get the stopped value.
+		 */
+		if (*stat & SPU_STATUS_RUNNING)
+			goto top;
 		return 1;
+	}
 
-	dsisr = ctx->csa.class_0_dsisr;
-	if (dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED))
+	if (test_bit(SPU_SCHED_NOTIFY_ACTIVE, &ctx->sched_flags))
 		return 1;
 
 	dsisr = ctx->csa.class_1_dsisr;
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 745dd51ec37..34654743363 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -230,19 +230,23 @@ static void spu_bind_context(struct spu *spu, struct spu_context *ctx)
 	ctx->stats.slb_flt_base = spu->stats.slb_flt;
 	ctx->stats.class2_intr_base = spu->stats.class2_intr;
 
+	spu_associate_mm(spu, ctx->owner);
+
+	spin_lock_irq(&spu->register_lock);
 	spu->ctx = ctx;
 	spu->flags = 0;
 	ctx->spu = spu;
 	ctx->ops = &spu_hw_ops;
 	spu->pid = current->pid;
 	spu->tgid = current->tgid;
-	spu_associate_mm(spu, ctx->owner);
 	spu->ibox_callback = spufs_ibox_callback;
 	spu->wbox_callback = spufs_wbox_callback;
 	spu->stop_callback = spufs_stop_callback;
 	spu->mfc_callback = spufs_mfc_callback;
-	mb();
+	spin_unlock_irq(&spu->register_lock);
+
 	spu_unmap_mappings(ctx);
+
 	spu_switch_log_notify(spu, ctx, SWITCH_LOG_START, 0);
 	spu_restore(&ctx->csa, spu);
 	spu->timestamp = jiffies;
@@ -403,6 +407,8 @@ static int has_affinity(struct spu_context *ctx)
  */
 static void spu_unbind_context(struct spu *spu, struct spu_context *ctx)
 {
+	u32 status;
+
 	spu_context_trace(spu_unbind_context__enter, ctx, spu);
 
 	spuctx_switch_state(ctx, SPU_UTIL_SYSTEM);
@@ -423,18 +429,22 @@ static void spu_unbind_context(struct spu *spu, struct spu_context *ctx)
 	spu_unmap_mappings(ctx);
 	spu_save(&ctx->csa, spu);
 	spu_switch_log_notify(spu, ctx, SWITCH_LOG_STOP, 0);
+
+	spin_lock_irq(&spu->register_lock);
 	spu->timestamp = jiffies;
 	ctx->state = SPU_STATE_SAVED;
 	spu->ibox_callback = NULL;
 	spu->wbox_callback = NULL;
 	spu->stop_callback = NULL;
 	spu->mfc_callback = NULL;
-	spu_associate_mm(spu, NULL);
 	spu->pid = 0;
 	spu->tgid = 0;
 	ctx->ops = &spu_backing_ops;
 	spu->flags = 0;
 	spu->ctx = NULL;
+	spin_unlock_irq(&spu->register_lock);
+
+	spu_associate_mm(spu, NULL);
 
 	ctx->stats.slb_flt +=
 		(spu->stats.slb_flt - ctx->stats.slb_flt_base);
@@ -444,6 +454,9 @@ static void spu_unbind_context(struct spu *spu, struct spu_context *ctx)
 	/* This maps the underlying spu state to idle */
 	spuctx_switch_state(ctx, SPU_UTIL_IDLE_LOADED);
 	ctx->spu = NULL;
+
+	if (spu_stopped(ctx, &status))
+		wake_up_all(&ctx->stop_wq);
 }
 
 /**
@@ -886,7 +899,8 @@ static noinline void spusched_tick(struct spu_context *ctx)
 			spu_add_to_rq(ctx);
 	} else {
 		spu_context_nospu_trace(spusched_tick__newslice, ctx);
-		ctx->time_slice++;
+		if (!ctx->time_slice)
+			ctx->time_slice++;
 	}
 out:
 	spu_release(ctx);
@@ -980,6 +994,7 @@ void spuctx_switch_state(struct spu_context *ctx,
 	struct timespec ts;
 	struct spu *spu;
 	enum spu_utilization_state old_state;
+	int node;
 
 	ktime_get_ts(&ts);
 	curtime = timespec_to_ns(&ts);
@@ -1001,6 +1016,11 @@ void spuctx_switch_state(struct spu_context *ctx,
 		spu->stats.times[old_state] += delta;
 		spu->stats.util_state = new_state;
 		spu->stats.tstamp = curtime;
+		node = spu->node;
+		if (old_state == SPU_UTIL_USER)
+			atomic_dec(&cbe_spu_info[node].busy_spus);
+		if (new_state == SPU_UTIL_USER);
+			atomic_inc(&cbe_spu_info[node].busy_spus);
 	}
 }
 
diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h
index 454c277c145..8ae8ef9dfc2 100644
--- a/arch/powerpc/platforms/cell/spufs/spufs.h
+++ b/arch/powerpc/platforms/cell/spufs/spufs.h
@@ -32,6 +32,13 @@
 #include <asm/spu_csa.h>
 #include <asm/spu_info.h>
 
+#define SPUFS_PS_MAP_SIZE	0x20000
+#define SPUFS_MFC_MAP_SIZE	0x1000
+#define SPUFS_CNTL_MAP_SIZE	0x1000
+#define SPUFS_CNTL_MAP_SIZE	0x1000
+#define SPUFS_SIGNAL_MAP_SIZE	PAGE_SIZE
+#define SPUFS_MSS_MAP_SIZE	0x1000
+
 /* The magic number for our file system */
 enum {
 	SPUFS_MAGIC = 0x23c9b64e,
@@ -228,8 +235,16 @@ struct spufs_inode_info {
 #define SPUFS_I(inode) \
 	container_of(inode, struct spufs_inode_info, vfs_inode)
 
-extern struct tree_descr spufs_dir_contents[];
-extern struct tree_descr spufs_dir_nosched_contents[];
+struct spufs_tree_descr {
+	const char *name;
+	const struct file_operations *ops;
+	int mode;
+	size_t size;
+};
+
+extern struct spufs_tree_descr spufs_dir_contents[];
+extern struct spufs_tree_descr spufs_dir_nosched_contents[];
+extern struct spufs_tree_descr spufs_dir_debug_contents[];
 
 /* system call implementation */
 extern struct spufs_calls spufs_calls;
diff --git a/arch/powerpc/platforms/cell/spufs/sputrace.c b/arch/powerpc/platforms/cell/spufs/sputrace.c
index 53202422ba7..8c0e95766a6 100644
--- a/arch/powerpc/platforms/cell/spufs/sputrace.c
+++ b/arch/powerpc/platforms/cell/spufs/sputrace.c
@@ -182,10 +182,10 @@ struct spu_probe spu_probes[] = {
 	{ "spu_yield__enter", "ctx %p", spu_context_nospu_event },
 	{ "spu_deactivate__enter", "ctx %p", spu_context_nospu_event },
 	{ "__spu_deactivate__unload", "ctx %p spu %p", spu_context_event },
-	{ "spufs_ps_nopfn__enter", "ctx %p", spu_context_nospu_event },
-	{ "spufs_ps_nopfn__sleep", "ctx %p", spu_context_nospu_event },
-	{ "spufs_ps_nopfn__wake", "ctx %p spu %p", spu_context_event },
-	{ "spufs_ps_nopfn__insert", "ctx %p spu %p", spu_context_event },
+	{ "spufs_ps_fault__enter", "ctx %p", spu_context_nospu_event },
+	{ "spufs_ps_fault__sleep", "ctx %p", spu_context_nospu_event },
+	{ "spufs_ps_fault__wake", "ctx %p spu %p", spu_context_event },
+	{ "spufs_ps_fault__insert", "ctx %p spu %p", spu_context_event },
 	{ "spu_acquire_saved__enter", "ctx %p", spu_context_nospu_event },
 	{ "destroy_spu_context__enter", "ctx %p", spu_context_nospu_event },
 	{ "spufs_stop_callback__enter", "ctx %p spu %p", spu_context_event },
diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index 116babbaaf8..1ba7ce5aafa 100644
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -63,13 +63,6 @@ static struct mpic *chrp_mpic;
 DEFINE_PER_CPU(struct timer_list, heartbeat_timer);
 unsigned long event_scan_interval;
 
-/*
- * XXX this should be in xmon.h, but putting it there means xmon.h
- * has to include <linux/interrupt.h> (to get irqreturn_t), which
- * causes all sorts of problems.  -- paulus
- */
-extern irqreturn_t xmon_irq(int, void *);
-
 extern unsigned long loops_per_jiffy;
 
 /* To be replaced by RTAS when available */
diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig
index 42908896781..4f9f8184d16 100644
--- a/arch/powerpc/platforms/embedded6xx/Kconfig
+++ b/arch/powerpc/platforms/embedded6xx/Kconfig
@@ -59,6 +59,16 @@ config PPC_PRPMC2800
 	help
 	  This option enables support for the Motorola PrPMC2800 board
 
+config PPC_C2K
+	bool "SBS/GEFanuc C2K board"
+	depends on EMBEDDED6xx
+	select MV64X60
+	select NOT_COHERENT_CACHE
+	select MTD_CFI_I4
+	help
+	  This option enables support for the GE Fanuc C2K board (formerly
+	  an SBS board).
+
 config TSI108_BRIDGE
 	bool
 	select PCI
diff --git a/arch/powerpc/platforms/embedded6xx/Makefile b/arch/powerpc/platforms/embedded6xx/Makefile
index 06524d3ffd2..0773c08bd44 100644
--- a/arch/powerpc/platforms/embedded6xx/Makefile
+++ b/arch/powerpc/platforms/embedded6xx/Makefile
@@ -6,3 +6,4 @@ obj-$(CONFIG_LINKSTATION)	+= linkstation.o ls_uart.o
 obj-$(CONFIG_STORCENTER)	+= storcenter.o
 obj-$(CONFIG_PPC_HOLLY)		+= holly.o
 obj-$(CONFIG_PPC_PRPMC2800)	+= prpmc2800.o
+obj-$(CONFIG_PPC_C2K)		+= c2k.o
diff --git a/arch/powerpc/platforms/embedded6xx/c2k.c b/arch/powerpc/platforms/embedded6xx/c2k.c
new file mode 100644
index 00000000000..d0b25b8c39d
--- /dev/null
+++ b/arch/powerpc/platforms/embedded6xx/c2k.c
@@ -0,0 +1,158 @@
+/*
+ * Board setup routines for the GEFanuc C2K board
+ *
+ * Author: Remi Machet <rmachet@slac.stanford.edu>
+ *
+ * Originated from prpmc2800.c
+ *
+ * 2008 (c) Stanford University
+ * 2007 (c) 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 version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/seq_file.h>
+#include <linux/time.h>
+#include <linux/of.h>
+#include <linux/kexec.h>
+
+#include <asm/machdep.h>
+#include <asm/prom.h>
+#include <asm/system.h>
+#include <asm/time.h>
+
+#include <mm/mmu_decl.h>
+
+#include <sysdev/mv64x60.h>
+
+#define MV64x60_MPP_CNTL_0	0x0000
+#define MV64x60_MPP_CNTL_2	0x0008
+
+#define MV64x60_GPP_IO_CNTL	0x0000
+#define MV64x60_GPP_LEVEL_CNTL	0x0010
+#define MV64x60_GPP_VALUE_SET	0x0018
+
+static void __iomem *mv64x60_mpp_reg_base;
+static void __iomem *mv64x60_gpp_reg_base;
+
+static void __init c2k_setup_arch(void)
+{
+	struct device_node *np;
+	phys_addr_t paddr;
+	const unsigned int *reg;
+
+	/*
+	 * ioremap mpp and gpp registers in case they are later
+	 * needed by c2k_reset_board().
+	 */
+	np = of_find_compatible_node(NULL, NULL, "marvell,mv64360-mpp");
+	reg = of_get_property(np, "reg", NULL);
+	paddr = of_translate_address(np, reg);
+	of_node_put(np);
+	mv64x60_mpp_reg_base = ioremap(paddr, reg[1]);
+
+	np = of_find_compatible_node(NULL, NULL, "marvell,mv64360-gpp");
+	reg = of_get_property(np, "reg", NULL);
+	paddr = of_translate_address(np, reg);
+	of_node_put(np);
+	mv64x60_gpp_reg_base = ioremap(paddr, reg[1]);
+
+#ifdef CONFIG_PCI
+	mv64x60_pci_init();
+#endif
+}
+
+static void c2k_reset_board(void)
+{
+	u32 temp;
+
+	local_irq_disable();
+
+	temp = in_le32(mv64x60_mpp_reg_base + MV64x60_MPP_CNTL_0);
+	temp &= 0xFFFF0FFF;
+	out_le32(mv64x60_mpp_reg_base + MV64x60_MPP_CNTL_0, temp);
+
+	temp = in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_LEVEL_CNTL);
+	temp |= 0x00000004;
+	out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_LEVEL_CNTL, temp);
+
+	temp = in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_IO_CNTL);
+	temp |= 0x00000004;
+	out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_IO_CNTL, temp);
+
+	temp = in_le32(mv64x60_mpp_reg_base + MV64x60_MPP_CNTL_2);
+	temp &= 0xFFFF0FFF;
+	out_le32(mv64x60_mpp_reg_base + MV64x60_MPP_CNTL_2, temp);
+
+	temp = in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_LEVEL_CNTL);
+	temp |= 0x00080000;
+	out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_LEVEL_CNTL, temp);
+
+	temp = in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_IO_CNTL);
+	temp |= 0x00080000;
+	out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_IO_CNTL, temp);
+
+	out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_VALUE_SET, 0x00080004);
+}
+
+static void c2k_restart(char *cmd)
+{
+	c2k_reset_board();
+	msleep(100);
+	panic("restart failed\n");
+}
+
+#ifdef CONFIG_NOT_COHERENT_CACHE
+#define COHERENCY_SETTING "off"
+#else
+#define COHERENCY_SETTING "on"
+#endif
+
+void c2k_show_cpuinfo(struct seq_file *m)
+{
+	uint memsize = total_memory;
+
+	seq_printf(m, "Vendor\t\t: GEFanuc\n");
+	seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
+	seq_printf(m, "coherency\t: %s\n", COHERENCY_SETTING);
+}
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init c2k_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	if (!of_flat_dt_is_compatible(root, "GEFanuc,C2K"))
+		return 0;
+
+	printk(KERN_INFO "Detected a GEFanuc C2K board\n");
+
+	_set_L2CR(0);
+	_set_L2CR(L2CR_L2E | L2CR_L2PE | L2CR_L2I);
+	return 1;
+}
+
+define_machine(c2k) {
+	.name			= "C2K",
+	.probe			= c2k_probe,
+	.setup_arch		= c2k_setup_arch,
+	.init_early		= mv64x60_init_early,
+	.show_cpuinfo		= c2k_show_cpuinfo,
+	.init_IRQ		= mv64x60_init_irq,
+	.get_irq		= mv64x60_get_irq,
+	.restart		= c2k_restart,
+	.calibrate_decr		= generic_calibrate_decr,
+#ifdef CONFIG_KEXEC
+	.machine_kexec		= default_machine_kexec,
+	.machine_kexec_prepare	= default_machine_kexec_prepare,
+	.machine_crash_shutdown	= default_machine_crash_shutdown,
+#endif
+};
diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c
index 11fa3c772ed..ab5d8687c3c 100644
--- a/arch/powerpc/platforms/iseries/iommu.c
+++ b/arch/powerpc/platforms/iseries/iommu.c
@@ -214,13 +214,13 @@ dma_addr_t iseries_hv_map(void *vaddr, size_t size,
 			enum dma_data_direction direction)
 {
 	return iommu_map_single(NULL, &vio_iommu_table, vaddr, size,
-				DMA_32BIT_MASK, direction);
+				DMA_32BIT_MASK, direction, NULL);
 }
 
 void iseries_hv_unmap(dma_addr_t dma_handle, size_t size,
 			enum dma_data_direction direction)
 {
-	iommu_unmap_single(&vio_iommu_table, dma_handle, size, direction);
+	iommu_unmap_single(&vio_iommu_table, dma_handle, size, direction, NULL);
 }
 
 void __init iommu_vio_init(void)
diff --git a/arch/powerpc/platforms/maple/time.c b/arch/powerpc/platforms/maple/time.c
index 9f7579b38c7..53bca132fb4 100644
--- a/arch/powerpc/platforms/maple/time.c
+++ b/arch/powerpc/platforms/maple/time.c
@@ -41,8 +41,6 @@
 #define DBG(x...)
 #endif
 
-extern void GregorianDay(struct rtc_time * tm);
-
 static int maple_rtc_addr;
 
 static int maple_clock_read(int addr)
diff --git a/arch/powerpc/platforms/powermac/Makefile b/arch/powerpc/platforms/powermac/Makefile
index 4d72c8f7215..89774177b20 100644
--- a/arch/powerpc/platforms/powermac/Makefile
+++ b/arch/powerpc/platforms/powermac/Makefile
@@ -1,5 +1,10 @@
 CFLAGS_bootx_init.o  		+= -fPIC
 
+ifdef CONFIG_FTRACE
+# Do not trace early boot code
+CFLAGS_REMOVE_bootx_init.o = -pg
+endif
+
 obj-y				+= pic.o setup.o time.o feature.o pci.o \
 				   sleep.o low_i2c.o cache.o pfunc_core.o \
 				   pfunc_base.o
diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index 829b8b02527..6d149ae8ffa 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -34,16 +34,10 @@
 #include <asm/time.h>
 #include <asm/pmac_feature.h>
 #include <asm/mpic.h>
+#include <asm/xmon.h>
 
 #include "pmac.h"
 
-/*
- * XXX this should be in xmon.h, but putting it there means xmon.h
- * has to include <linux/interrupt.h> (to get irqreturn_t), which
- * causes all sorts of problems.  -- paulus
- */
-extern irqreturn_t xmon_irq(int, void *);
-
 #ifdef CONFIG_PPC32
 struct pmac_irq_hw {
         unsigned int    event;
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index cb2d894541c..4ae3d00e0bd 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -36,6 +36,7 @@
 
 #include <asm/ptrace.h>
 #include <asm/atomic.h>
+#include <asm/code-patching.h>
 #include <asm/irq.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
@@ -786,8 +787,7 @@ static void __devinit smp_core99_kick_cpu(int nr)
 {
 	unsigned int save_vector;
 	unsigned long target, flags;
-	volatile unsigned int *vector
-		 = ((volatile unsigned int *)(KERNELBASE+0x100));
+	unsigned int *vector = (unsigned int *)(KERNELBASE+0x100);
 
 	if (nr < 0 || nr > 3)
 		return;
@@ -804,7 +804,7 @@ static void __devinit smp_core99_kick_cpu(int nr)
 	 *   b __secondary_start_pmac_0 + nr*8 - KERNELBASE
 	 */
 	target = (unsigned long) __secondary_start_pmac_0 + nr * 8;
-	create_branch((unsigned long)vector, target, BRANCH_SET_LINK);
+	patch_branch(vector, target, BRANCH_SET_LINK);
 
 	/* Put some life in our friend */
 	pmac_call_feature(PMAC_FTR_RESET_CPU, NULL, nr, 0);
diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c
index f0b12f21236..a0927a3bacb 100644
--- a/arch/powerpc/platforms/ps3/smp.c
+++ b/arch/powerpc/platforms/ps3/smp.c
@@ -105,9 +105,10 @@ static void __init ps3_smp_setup_cpu(int cpu)
 	 * to index needs to be setup.
 	 */
 
-	BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION  != 0);
-	BUILD_BUG_ON(PPC_MSG_RESCHEDULE     != 1);
-	BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK != 3);
+	BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION    != 0);
+	BUILD_BUG_ON(PPC_MSG_RESCHEDULE       != 1);
+	BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2);
+	BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK   != 3);
 
 	for (i = 0; i < MSG_COUNT; i++) {
 		result = ps3_event_receive_port_setup(cpu, &virqs[i]);
diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c
index 43c493fca2d..d66c3628a11 100644
--- a/arch/powerpc/platforms/ps3/system-bus.c
+++ b/arch/powerpc/platforms/ps3/system-bus.c
@@ -349,9 +349,14 @@ static int ps3_system_bus_match(struct device *_dev,
 
 	result = dev->match_id == drv->match_id;
 
-	pr_info("%s:%d: dev=%u(%s), drv=%u(%s): %s\n", __func__, __LINE__,
-		dev->match_id, dev->core.bus_id, drv->match_id, drv->core.name,
-		(result ? "match" : "miss"));
+	if (result)
+		pr_info("%s:%d: dev=%u(%s), drv=%u(%s): match\n", __func__,
+			__LINE__, dev->match_id, dev->core.bus_id,
+			drv->match_id, drv->core.name);
+	else
+		pr_debug("%s:%d: dev=%u(%s), drv=%u(%s): miss\n", __func__,
+			__LINE__, dev->match_id, dev->core.bus_id,
+			drv->match_id, drv->core.name);
 	return result;
 }
 
@@ -362,7 +367,7 @@ static int ps3_system_bus_probe(struct device *_dev)
 	struct ps3_system_bus_driver *drv;
 
 	BUG_ON(!dev);
-	pr_info(" -> %s:%d: %s\n", __func__, __LINE__, _dev->bus_id);
+	pr_debug(" -> %s:%d: %s\n", __func__, __LINE__, _dev->bus_id);
 
 	drv = ps3_system_bus_dev_to_system_bus_drv(dev);
 	BUG_ON(!drv);
@@ -370,10 +375,10 @@ static int ps3_system_bus_probe(struct device *_dev)
 	if (drv->probe)
 		result = drv->probe(dev);
 	else
-		pr_info("%s:%d: %s no probe method\n", __func__, __LINE__,
+		pr_debug("%s:%d: %s no probe method\n", __func__, __LINE__,
 			dev->core.bus_id);
 
-	pr_info(" <- %s:%d: %s\n", __func__, __LINE__, dev->core.bus_id);
+	pr_debug(" <- %s:%d: %s\n", __func__, __LINE__, dev->core.bus_id);
 	return result;
 }
 
@@ -384,7 +389,7 @@ static int ps3_system_bus_remove(struct device *_dev)
 	struct ps3_system_bus_driver *drv;
 
 	BUG_ON(!dev);
-	pr_info(" -> %s:%d: %s\n", __func__, __LINE__, _dev->bus_id);
+	pr_debug(" -> %s:%d: %s\n", __func__, __LINE__, _dev->bus_id);
 
 	drv = ps3_system_bus_dev_to_system_bus_drv(dev);
 	BUG_ON(!drv);
@@ -395,7 +400,7 @@ static int ps3_system_bus_remove(struct device *_dev)
 		dev_dbg(&dev->core, "%s:%d %s: no remove method\n",
 			__func__, __LINE__, drv->core.name);
 
-	pr_info(" <- %s:%d: %s\n", __func__, __LINE__, dev->core.bus_id);
+	pr_debug(" <- %s:%d: %s\n", __func__, __LINE__, dev->core.bus_id);
 	return result;
 }
 
@@ -550,7 +555,7 @@ static void ps3_free_coherent(struct device *_dev, size_t size, void *vaddr,
  */
 
 static dma_addr_t ps3_sb_map_single(struct device *_dev, void *ptr, size_t size,
-	enum dma_data_direction direction)
+	enum dma_data_direction direction, struct dma_attrs *attrs)
 {
 	struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
 	int result;
@@ -570,7 +575,8 @@ static dma_addr_t ps3_sb_map_single(struct device *_dev, void *ptr, size_t size,
 
 static dma_addr_t ps3_ioc0_map_single(struct device *_dev, void *ptr,
 				      size_t size,
-				      enum dma_data_direction direction)
+				      enum dma_data_direction direction,
+				      struct dma_attrs *attrs)
 {
 	struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
 	int result;
@@ -603,7 +609,7 @@ static dma_addr_t ps3_ioc0_map_single(struct device *_dev, void *ptr,
 }
 
 static void ps3_unmap_single(struct device *_dev, dma_addr_t dma_addr,
-	size_t size, enum dma_data_direction direction)
+	size_t size, enum dma_data_direction direction, struct dma_attrs *attrs)
 {
 	struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
 	int result;
@@ -617,7 +623,7 @@ static void ps3_unmap_single(struct device *_dev, dma_addr_t dma_addr,
 }
 
 static int ps3_sb_map_sg(struct device *_dev, struct scatterlist *sgl,
-	int nents, enum dma_data_direction direction)
+	int nents, enum dma_data_direction direction, struct dma_attrs *attrs)
 {
 #if defined(CONFIG_PS3_DYNAMIC_DMA)
 	BUG_ON("do");
@@ -646,14 +652,15 @@ static int ps3_sb_map_sg(struct device *_dev, struct scatterlist *sgl,
 
 static int ps3_ioc0_map_sg(struct device *_dev, struct scatterlist *sg,
 			   int nents,
-			   enum dma_data_direction direction)
+			   enum dma_data_direction direction,
+			   struct dma_attrs *attrs)
 {
 	BUG();
 	return 0;
 }
 
 static void ps3_sb_unmap_sg(struct device *_dev, struct scatterlist *sg,
-	int nents, enum dma_data_direction direction)
+	int nents, enum dma_data_direction direction, struct dma_attrs *attrs)
 {
 #if defined(CONFIG_PS3_DYNAMIC_DMA)
 	BUG_ON("do");
@@ -661,7 +668,8 @@ static void ps3_sb_unmap_sg(struct device *_dev, struct scatterlist *sg,
 }
 
 static void ps3_ioc0_unmap_sg(struct device *_dev, struct scatterlist *sg,
-			    int nents, enum dma_data_direction direction)
+			    int nents, enum dma_data_direction direction,
+			    struct dma_attrs *attrs)
 {
 	BUG();
 }
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c
index 6f544ba4b37..c027f0a70a0 100644
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -812,6 +812,7 @@ int rtas_set_slot_reset(struct pci_dn *pdn)
 static inline void __restore_bars (struct pci_dn *pdn)
 {
 	int i;
+	u32 cmd;
 
 	if (NULL==pdn->phb) return;
 	for (i=4; i<10; i++) {
@@ -832,6 +833,19 @@ static inline void __restore_bars (struct pci_dn *pdn)
 
 	/* max latency, min grant, interrupt pin and line */
 	rtas_write_config(pdn, 15*4, 4, pdn->config_space[15]);
+
+	/* Restore PERR & SERR bits, some devices require it,
+	   don't touch the other command bits */
+	rtas_read_config(pdn, PCI_COMMAND, 4, &cmd);
+	if (pdn->config_space[1] & PCI_COMMAND_PARITY)
+		cmd |= PCI_COMMAND_PARITY;
+	else
+		cmd &= ~PCI_COMMAND_PARITY;
+	if (pdn->config_space[1] & PCI_COMMAND_SERR)
+		cmd |= PCI_COMMAND_SERR;
+	else
+		cmd &= ~PCI_COMMAND_SERR;
+	rtas_write_config(pdn, PCI_COMMAND, 4, cmd);
 }
 
 /**
diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c
index 68ea5eee39a..8c1ca477c52 100644
--- a/arch/powerpc/platforms/pseries/eeh_driver.c
+++ b/arch/powerpc/platforms/pseries/eeh_driver.c
@@ -42,17 +42,20 @@ static inline const char * pcid_name (struct pci_dev *pdev)
 }
 
 #ifdef DEBUG
-static void print_device_node_tree (struct pci_dn *pdn, int dent)
+static void print_device_node_tree(struct pci_dn *pdn, int dent)
 {
 	int i;
-	if (!pdn) return;
-	for (i=0;i<dent; i++)
+	struct device_node *pc;
+
+	if (!pdn)
+		return;
+	for (i = 0; i < dent; i++)
 		printk(" ");
 	printk("dn=%s mode=%x \tcfg_addr=%x pe_addr=%x \tfull=%s\n",
 		pdn->node->name, pdn->eeh_mode, pdn->eeh_config_addr,
 		pdn->eeh_pe_config_addr, pdn->node->full_name);
 	dent += 3;
-	struct device_node *pc = pdn->node->child;
+	pc = pdn->node->child;
 	while (pc) {
 		print_device_node_tree(PCI_DN(pc), dent);
 		pc = pc->sibling;
diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c
index 9d3a40f4597..5a707da3f5c 100644
--- a/arch/powerpc/platforms/pseries/firmware.c
+++ b/arch/powerpc/platforms/pseries/firmware.c
@@ -26,6 +26,7 @@
 #include <asm/prom.h>
 #include <asm/udbg.h>
 
+#include "pseries.h"
 
 typedef struct {
     unsigned long val;
diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index 3c5727dd5aa..a1a368dd2d9 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -15,34 +15,13 @@
 #include <asm/machdep.h>
 #include <asm/pSeries_reconfig.h>
 
-static int pseries_remove_memory(struct device_node *np)
+static int pseries_remove_lmb(unsigned long base, unsigned int lmb_size)
 {
-	const char *type;
-	const unsigned int *my_index;
-	const unsigned int *regs;
-	u64 start_pfn, start;
+	unsigned long start, start_pfn;
 	struct zone *zone;
-	int ret = -EINVAL;
-
-	/*
-	 * Check to see if we are actually removing memory
-	 */
-	type = of_get_property(np, "device_type", NULL);
-	if (type == NULL || strcmp(type, "memory") != 0)
-		return 0;
+	int ret;
 
-	/*
-	 * Find the memory index and size of the removing section
-	 */
-	my_index = of_get_property(np, "ibm,my-drc-index", NULL);
-	if (!my_index)
-		return ret;
-
-	regs = of_get_property(np, "reg", NULL);
-	if (!regs)
-		return ret;
-
-	start_pfn = section_nr_to_pfn(*my_index & 0xffff);
+	start_pfn = base >> PFN_SECTION_SHIFT;
 	zone = page_zone(pfn_to_page(start_pfn));
 
 	/*
@@ -54,56 +33,111 @@ static int pseries_remove_memory(struct device_node *np)
 	 * to sysfs "state" file and we can't remove sysfs entries
 	 * while writing to it. So we have to defer it to here.
 	 */
-	ret = __remove_pages(zone, start_pfn, regs[3] >> PAGE_SHIFT);
+	ret = __remove_pages(zone, start_pfn, lmb_size >> PAGE_SHIFT);
 	if (ret)
 		return ret;
 
 	/*
 	 * Update memory regions for memory remove
 	 */
-	lmb_remove(start_pfn << PAGE_SHIFT, regs[3]);
+	lmb_remove(base, lmb_size);
 
 	/*
 	 * Remove htab bolted mappings for this section of memory
 	 */
-	start = (unsigned long)__va(start_pfn << PAGE_SHIFT);
-	ret = remove_section_mapping(start, start + regs[3]);
+	start = (unsigned long)__va(base);
+	ret = remove_section_mapping(start, start + lmb_size);
 	return ret;
 }
 
-static int pseries_add_memory(struct device_node *np)
+static int pseries_remove_memory(struct device_node *np)
 {
 	const char *type;
-	const unsigned int *my_index;
 	const unsigned int *regs;
-	u64 start_pfn;
+	unsigned long base;
+	unsigned int lmb_size;
 	int ret = -EINVAL;
 
 	/*
-	 * Check to see if we are actually adding memory
+	 * Check to see if we are actually removing memory
 	 */
 	type = of_get_property(np, "device_type", NULL);
 	if (type == NULL || strcmp(type, "memory") != 0)
 		return 0;
 
 	/*
-	 * Find the memory index and size of the added section
+	 * Find the bae address and size of the lmb
 	 */
-	my_index = of_get_property(np, "ibm,my-drc-index", NULL);
-	if (!my_index)
+	regs = of_get_property(np, "reg", NULL);
+	if (!regs)
 		return ret;
 
+	base = *(unsigned long *)regs;
+	lmb_size = regs[3];
+
+	ret = pseries_remove_lmb(base, lmb_size);
+	return ret;
+}
+
+static int pseries_add_memory(struct device_node *np)
+{
+	const char *type;
+	const unsigned int *regs;
+	unsigned long base;
+	unsigned int lmb_size;
+	int ret = -EINVAL;
+
+	/*
+	 * Check to see if we are actually adding memory
+	 */
+	type = of_get_property(np, "device_type", NULL);
+	if (type == NULL || strcmp(type, "memory") != 0)
+		return 0;
+
+	/*
+	 * Find the base and size of the lmb
+	 */
 	regs = of_get_property(np, "reg", NULL);
 	if (!regs)
 		return ret;
 
-	start_pfn = section_nr_to_pfn(*my_index & 0xffff);
+	base = *(unsigned long *)regs;
+	lmb_size = regs[3];
 
 	/*
 	 * Update memory region to represent the memory add
 	 */
-	lmb_add(start_pfn << PAGE_SHIFT, regs[3]);
-	return 0;
+	ret = lmb_add(base, lmb_size);
+	return (ret < 0) ? -EINVAL : 0;
+}
+
+static int pseries_drconf_memory(unsigned long *base, unsigned int action)
+{
+	struct device_node *np;
+	const unsigned long *lmb_size;
+	int rc;
+
+	np = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");
+	if (!np)
+		return -EINVAL;
+
+	lmb_size = of_get_property(np, "ibm,lmb-size", NULL);
+	if (!lmb_size) {
+		of_node_put(np);
+		return -EINVAL;
+	}
+
+	if (action == PSERIES_DRCONF_MEM_ADD) {
+		rc = lmb_add(*base, *lmb_size);
+		rc = (rc < 0) ? -EINVAL : 0;
+	} else if (action == PSERIES_DRCONF_MEM_REMOVE) {
+		rc = pseries_remove_lmb(*base, *lmb_size);
+	} else {
+		rc = -EINVAL;
+	}
+
+	of_node_put(np);
+	return rc;
 }
 
 static int pseries_memory_notifier(struct notifier_block *nb,
@@ -120,6 +154,11 @@ static int pseries_memory_notifier(struct notifier_block *nb,
 		if (pseries_remove_memory(node))
 			err = NOTIFY_BAD;
 		break;
+	case PSERIES_DRCONF_MEM_ADD:
+	case PSERIES_DRCONF_MEM_REMOVE:
+		if (pseries_drconf_memory(node, action))
+			err = NOTIFY_BAD;
+		break;
 	default:
 		err = NOTIFY_DONE;
 		break;
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 176f1f39d2d..9a12908510f 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -135,9 +135,10 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
 	u64 rpn;
 	long l, limit;
 
-	if (npages == 1)
-		return tce_build_pSeriesLP(tbl, tcenum, npages, uaddr,
-					   direction);
+	if (npages == 1) {
+		tce_build_pSeriesLP(tbl, tcenum, npages, uaddr, direction);
+		return;
+	}
 
 	tcep = __get_cpu_var(tce_page);
 
@@ -147,9 +148,11 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
 	if (!tcep) {
 		tcep = (u64 *)__get_free_page(GFP_ATOMIC);
 		/* If allocation fails, fall back to the loop implementation */
-		if (!tcep)
-			return tce_build_pSeriesLP(tbl, tcenum, npages,
-						   uaddr, direction);
+		if (!tcep) {
+			tce_build_pSeriesLP(tbl, tcenum, npages, uaddr,
+					    direction);
+			return;
+		}
 		__get_cpu_var(tce_page) = tcep;
 	}
 
diff --git a/arch/powerpc/platforms/pseries/kexec.c b/arch/powerpc/platforms/pseries/kexec.c
index e9dd5fe081c..53cbd53d874 100644
--- a/arch/powerpc/platforms/pseries/kexec.c
+++ b/arch/powerpc/platforms/pseries/kexec.c
@@ -70,4 +70,4 @@ static int __init pseries_kexec_setup(void)
 
 	return 0;
 }
-__initcall(pseries_kexec_setup);
+machine_device_initcall(pseries, pseries_kexec_setup);
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 2cbaedb17f3..52a80e5840e 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -52,7 +52,7 @@ EXPORT_SYMBOL(plpar_hcall_norets);
 extern void pSeries_find_serial_port(void);
 
 
-int vtermno;	/* virtual terminal# for udbg  */
+static int vtermno;	/* virtual terminal# for udbg  */
 
 #define __ALIGNED__ __attribute__((__aligned__(sizeof(long))))
 static void udbg_hvsi_putc(char c)
@@ -305,7 +305,7 @@ static long pSeries_lpar_hpte_insert(unsigned long hpte_group,
 	flags = 0;
 
 	/* Make pHyp happy */
-	if (rflags & (_PAGE_GUARDED|_PAGE_NO_CACHE))
+	if ((rflags & _PAGE_NO_CACHE) & !(rflags & _PAGE_WRITETHRU))
 		hpte_r &= ~_PAGE_COHERENT;
 
 	lpar_rc = plpar_pte_enter(flags, hpte_group, hpte_v, hpte_r, &slot);
diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c
index f68903e15bd..42f7e384e6c 100644
--- a/arch/powerpc/platforms/pseries/nvram.c
+++ b/arch/powerpc/platforms/pseries/nvram.c
@@ -131,8 +131,10 @@ int __init pSeries_nvram_init(void)
 		return -ENODEV;
 
 	nbytes_p = of_get_property(nvram, "#bytes", &proplen);
-	if (nbytes_p == NULL || proplen != sizeof(unsigned int))
+	if (nbytes_p == NULL || proplen != sizeof(unsigned int)) {
+		of_node_put(nvram);
 		return -EIO;
+	}
 
 	nvram_size = *nbytes_p;
 
diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c
index 2b548afd100..d20b96e22c2 100644
--- a/arch/powerpc/platforms/pseries/ras.c
+++ b/arch/powerpc/platforms/pseries/ras.c
@@ -55,7 +55,7 @@
 static unsigned char ras_log_buf[RTAS_ERROR_LOG_MAX];
 static DEFINE_SPINLOCK(ras_log_buf_lock);
 
-char mce_data_buf[RTAS_ERROR_LOG_MAX];
+static char mce_data_buf[RTAS_ERROR_LOG_MAX];
 
 static int ras_get_sensor_state_token;
 static int ras_check_exception_token;
diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c
index 75769aae41d..7637bd38c79 100644
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -365,7 +365,7 @@ static char *parse_node(char *buf, size_t bufsize, struct device_node **npp)
 	*buf = '\0';
 	buf++;
 
-	handle = simple_strtoul(handle_str, NULL, 10);
+	handle = simple_strtoul(handle_str, NULL, 0);
 
 	*npp = of_find_node_by_phandle(handle);
 	return buf;
@@ -422,8 +422,8 @@ static int do_update_property(char *buf, size_t bufsize)
 {
 	struct device_node *np;
 	unsigned char *value;
-	char *name, *end;
-	int length;
+	char *name, *end, *next_prop;
+	int rc, length;
 	struct property *newprop, *oldprop;
 	buf = parse_node(buf, bufsize, &np);
 	end = buf + bufsize;
@@ -431,7 +431,8 @@ static int do_update_property(char *buf, size_t bufsize)
 	if (!np)
 		return -ENODEV;
 
-	if (parse_next_property(buf, end, &name, &length, &value) == NULL)
+	next_prop = parse_next_property(buf, end, &name, &length, &value);
+	if (!next_prop)
 		return -EINVAL;
 
 	newprop = new_property(name, length, value, NULL);
@@ -442,7 +443,34 @@ static int do_update_property(char *buf, size_t bufsize)
 	if (!oldprop)
 		return -ENODEV;
 
-	return prom_update_property(np, newprop, oldprop);
+	rc = prom_update_property(np, newprop, oldprop);
+	if (rc)
+		return rc;
+
+	/* For memory under the ibm,dynamic-reconfiguration-memory node
+	 * of the device tree, adding and removing memory is just an update
+	 * to the ibm,dynamic-memory property instead of adding/removing a
+	 * memory node in the device tree.  For these cases we still need to
+	 * involve the notifier chain.
+	 */
+	if (!strcmp(name, "ibm,dynamic-memory")) {
+		int action;
+
+		next_prop = parse_next_property(next_prop, end, &name,
+						&length, &value);
+		if (!next_prop)
+			return -EINVAL;
+
+		if (!strcmp(name, "add"))
+			action = PSERIES_DRCONF_MEM_ADD;
+		else
+			action = PSERIES_DRCONF_MEM_REMOVE;
+
+		blocking_notifier_call_chain(&pSeries_reconfig_chain,
+					     action, value);
+	}
+
+	return 0;
 }
 
 /**
diff --git a/arch/powerpc/platforms/pseries/rtasd.c b/arch/powerpc/platforms/pseries/rtasd.c
index 7d3e2b0bd4d..c9ffd8c225f 100644
--- a/arch/powerpc/platforms/pseries/rtasd.c
+++ b/arch/powerpc/platforms/pseries/rtasd.c
@@ -32,7 +32,7 @@
 
 static DEFINE_SPINLOCK(rtasd_log_lock);
 
-DECLARE_WAIT_QUEUE_HEAD(rtas_log_wait);
+static DECLARE_WAIT_QUEUE_HEAD(rtas_log_wait);
 
 static char *rtas_log_buf;
 static unsigned long rtas_log_start;
@@ -329,7 +329,7 @@ static unsigned int rtas_log_poll(struct file *file, poll_table * wait)
 	return 0;
 }
 
-const struct file_operations proc_rtas_log_operations = {
+static const struct file_operations proc_rtas_log_operations = {
 	.read =		rtas_log_read,
 	.poll =		rtas_log_poll,
 	.open =		rtas_log_open,
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index f5d29f5b13c..90beb444e1d 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -109,7 +109,7 @@ static void __init fwnmi_init(void)
 		fwnmi_active = 1;
 }
 
-void pseries_8259_cascade(unsigned int irq, struct irq_desc *desc)
+static void pseries_8259_cascade(unsigned int irq, struct irq_desc *desc)
 {
 	unsigned int cascade_irq = i8259_irq();
 	if (cascade_irq != NO_IRQ)
@@ -482,7 +482,7 @@ static int pSeries_pci_probe_mode(struct pci_bus *bus)
  * possible with power button press. If ibm,power-off-ups token is used
  * it will allow auto poweron after power is restored.
  */
-void pSeries_power_off(void)
+static void pSeries_power_off(void)
 {
 	int rc;
 	int rtas_poweroff_ups_token = rtas_token("ibm,power-off-ups");
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index ebebc28fe89..0fc830f576f 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -383,13 +383,11 @@ static irqreturn_t xics_ipi_dispatch(int cpu)
 			mb();
 			smp_message_recv(PPC_MSG_RESCHEDULE);
 		}
-#if 0
-		if (test_and_clear_bit(PPC_MSG_MIGRATE_TASK,
+		if (test_and_clear_bit(PPC_MSG_CALL_FUNC_SINGLE,
 				       &xics_ipi_message[cpu].value)) {
 			mb();
-			smp_message_recv(PPC_MSG_MIGRATE_TASK);
+			smp_message_recv(PPC_MSG_CALL_FUNC_SINGLE);
 		}
-#endif
 #if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC)
 		if (test_and_clear_bit(PPC_MSG_DEBUGGER_BREAK,
 				       &xics_ipi_message[cpu].value)) {