Merge branch 'merge'

100 files changed, 2831 insertions, 1071 deletions

diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 3345c6d0fd1e..92873cdee31f 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -47,7 +47,8 @@ comma = ,
 # testing for a specific architecture or later rather impossible.
 arch-$(CONFIG_CPU_32v6)		:=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
 arch-$(CONFIG_CPU_32v6K)	:=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
-arch-$(CONFIG_CPU_32v5)		:=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4)
+arch-$(CONFIG_CPU_32v5)		:=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
+arch-$(CONFIG_CPU_32v4T)	:=-D__LINUX_ARM_ARCH__=4 -march=armv4t
 arch-$(CONFIG_CPU_32v4)		:=-D__LINUX_ARM_ARCH__=4 -march=armv4
 arch-$(CONFIG_CPU_32v3)		:=-D__LINUX_ARM_ARCH__=3 -march=armv3
 
diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c
index 5b7c26395b44..028bdc9228fb 100644
--- a/arch/arm/common/dmabounce.c
+++ b/arch/arm/common/dmabounce.c
@@ -179,17 +179,19 @@ alloc_safe_buffer(struct dmabounce_device_info *device_info, void *ptr,
 static inline struct safe_buffer *
 find_safe_buffer(struct dmabounce_device_info *device_info, dma_addr_t safe_dma_addr)
 {
-	struct safe_buffer *b = NULL;
+	struct safe_buffer *b, *rb = NULL;
 	unsigned long flags;
 
 	read_lock_irqsave(&device_info->lock, flags);
 
 	list_for_each_entry(b, &device_info->safe_buffers, node)
-		if (b->safe_dma_addr == safe_dma_addr)
+		if (b->safe_dma_addr == safe_dma_addr) {
+			rb = b;
 			break;
+		}
 
 	read_unlock_irqrestore(&device_info->lock, flags);
-	return b;
+	return rb;
 }
 
 static inline void
diff --git a/arch/arm/common/rtctime.c b/arch/arm/common/rtctime.c
index 35c9a64ac14c..4e5445cfb0ea 100644
--- a/arch/arm/common/rtctime.c
+++ b/arch/arm/common/rtctime.c
@@ -68,6 +68,7 @@ void rtc_next_alarm_time(struct rtc_time *next, struct rtc_time *now, struct rtc
 		rtc_time_to_tm(next_time, next);
 	}
 }
+EXPORT_SYMBOL(rtc_next_alarm_time);
 
 static inline int rtc_arm_read_time(struct rtc_ops *ops, struct rtc_time *tm)
 {
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index a331c12cead9..29818bd3248f 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -618,7 +618,7 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq)
 {
 	struct sa1111 *sachip;
 	unsigned long id;
-	unsigned int has_devs, val;
+	unsigned int has_devs;
 	int i, ret = -ENODEV;
 
 	sachip = kzalloc(sizeof(struct sa1111), GFP_KERNEL);
@@ -669,6 +669,9 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq)
 	sa1111_wake(sachip);
 
 #ifdef CONFIG_ARCH_SA1100
+	{
+	unsigned int val;
+
 	/*
 	 * The SDRAM configuration of the SA1110 and the SA1111 must
 	 * match.  This is very important to ensure that SA1111 accesses
@@ -692,6 +695,7 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq)
 	 * Enable the SA1110 memory bus request and grant signals.
 	 */
 	sa1110_mb_enable();
+	}
 #endif
 
 	/*
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index f0c0cdb1c183..1320a0efca73 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -13,12 +13,11 @@ obj-y		:= compat.o entry-armv.o entry-common.o irq.o \
 obj-$(CONFIG_APM)		+= apm.o
 obj-$(CONFIG_ISA_DMA_API)	+= dma.o
 obj-$(CONFIG_ARCH_ACORN)	+= ecard.o 
-obj-$(CONFIG_FOOTBRIDGE)	+= isa.o
 obj-$(CONFIG_FIQ)		+= fiq.o
 obj-$(CONFIG_MODULES)		+= armksyms.o module.o
 obj-$(CONFIG_ARTHUR)		+= arthur.o
 obj-$(CONFIG_ISA_DMA)		+= dma-isa.o
-obj-$(CONFIG_PCI)		+= bios32.o
+obj-$(CONFIG_PCI)		+= bios32.o isa.o
 obj-$(CONFIG_SMP)		+= smp.o
 obj-$(CONFIG_OABI_COMPAT)	+= sys_oabi-compat.o
 
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 7ea5f01dfc7b..de4e33137901 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -634,6 +634,14 @@ ENTRY(__switch_to)
  * purpose.
  */
 
+	.macro	usr_ret, reg
+#ifdef CONFIG_ARM_THUMB
+	bx	\reg
+#else
+	mov	pc, \reg
+#endif
+	.endm
+
 	.align	5
 	.globl	__kuser_helper_start
 __kuser_helper_start:
@@ -675,7 +683,7 @@ __kuser_memory_barrier:				@ 0xffff0fa0
 #if __LINUX_ARM_ARCH__ >= 6 && defined(CONFIG_SMP)
 	mcr	p15, 0, r0, c7, c10, 5	@ dmb
 #endif
-	mov	pc, lr
+	usr_ret	lr
 
 	.align	5
 
@@ -778,7 +786,7 @@ __kuser_cmpxchg:				@ 0xffff0fc0
 	mov	r0, #-1
 	adds	r0, r0, #0
 #endif
-	mov	pc, lr
+	usr_ret	lr
 
 #else
 
@@ -792,7 +800,7 @@ __kuser_cmpxchg:				@ 0xffff0fc0
 #ifdef CONFIG_SMP
 	mcr	p15, 0, r0, c7, c10, 5	@ dmb
 #endif
-	mov	pc, lr
+	usr_ret	lr
 
 #endif
 
@@ -834,16 +842,11 @@ __kuser_cmpxchg:				@ 0xffff0fc0
 __kuser_get_tls:				@ 0xffff0fe0
 
 #if !defined(CONFIG_HAS_TLS_REG) && !defined(CONFIG_TLS_REG_EMUL)
-
 	ldr	r0, [pc, #(16 - 8)]		@ TLS stored at 0xffff0ff0
-	mov	pc, lr
-
 #else
-
 	mrc	p15, 0, r0, c13, c0, 3		@ read TLS register
-	mov	pc, lr
-
 #endif
+	usr_ret	lr
 
 	.rep	5
 	.word	0			@ pad up to __kuser_helper_version
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 4fe386eea4b4..5365d4e5949e 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -118,7 +118,7 @@ ENTRY(secondary_startup)
 	sub	r4, r4, r5			@ mmu has been enabled
 	ldr	r4, [r7, r4]			@ get secondary_data.pgdir
 	adr	lr, __enable_mmu		@ return address
-	add	pc, r10, #12			@ initialise processor
+	add	pc, r10, #PROCINFO_INITFUNC	@ initialise processor
 						@ (return control reg)
 
 	/*
diff --git a/arch/arm/kernel/isa.c b/arch/arm/kernel/isa.c
index 685c3e591a7e..54bbd9fe255c 100644
--- a/arch/arm/kernel/isa.c
+++ b/arch/arm/kernel/isa.c
@@ -3,21 +3,14 @@
  *
  *  Copyright (C) 1999 Phil Blundell
  *
- *  ISA shared memory and I/O port support
- */
-
-/*
  * 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.
+ *
+ *  ISA shared memory and I/O port support, and is required to support
+ *  iopl, inb, outb and friends in userspace via glibc emulation.
  */
-
-/* 
- * Nothing about this is actually ARM specific.  One day we could move
- * it into kernel/resource.c or some place like that.  
- */
-
 #include <linux/stddef.h>
 #include <linux/types.h>
 #include <linux/fs.h>
@@ -27,21 +20,49 @@
 static unsigned int isa_membase, isa_portbase, isa_portshift;
 
 static ctl_table ctl_isa_vars[4] = {
-	{BUS_ISA_MEM_BASE, "membase", &isa_membase, 
-	 sizeof(isa_membase), 0444, NULL, &proc_dointvec},
-	{BUS_ISA_PORT_BASE, "portbase", &isa_portbase, 
-	 sizeof(isa_portbase), 0444, NULL, &proc_dointvec},
-	{BUS_ISA_PORT_SHIFT, "portshift", &isa_portshift, 
-	 sizeof(isa_portshift), 0444, NULL, &proc_dointvec},
-	{0}
+	{
+		.ctl_name	= BUS_ISA_MEM_BASE,
+		.procname	= "membase",
+		.data		= &isa_membase, 
+		.maxlen		= sizeof(isa_membase),
+		.mode		= 0444,
+		.proc_handler	= &proc_dointvec,
+	}, {
+		.ctl_name	= BUS_ISA_PORT_BASE,
+		.procname	= "portbase",
+		.data		= &isa_portbase, 
+		.maxlen		= sizeof(isa_portbase),
+		.mode		= 0444,
+		.proc_handler	= &proc_dointvec,
+	}, {
+		.ctl_name	= BUS_ISA_PORT_SHIFT,
+		.procname	= "portshift",
+		.data		= &isa_portshift, 
+		.maxlen		= sizeof(isa_portshift),
+		.mode		= 0444,
+		.proc_handler	= &proc_dointvec,
+	}, {0}
 };
 
 static struct ctl_table_header *isa_sysctl_header;
 
-static ctl_table ctl_isa[2] = {{CTL_BUS_ISA, "isa", NULL, 0, 0555, ctl_isa_vars},
-			       {0}};
-static ctl_table ctl_bus[2] = {{CTL_BUS, "bus", NULL, 0, 0555, ctl_isa},
-			       {0}};
+static ctl_table ctl_isa[2] = {
+	{
+		.ctl_name	= CTL_BUS_ISA,
+		.procname	= "isa",
+		.mode		= 0555,
+		.child		= ctl_isa_vars,
+	}, {0}
+};
+
+static ctl_table ctl_bus[2] = {
+	{
+		.ctl_name	= CTL_BUS,
+		.procname	= "bus",
+		.mode		= 0555,
+		.child		= ctl_isa,
+	}, {0}
+};
 
 void __init
 register_isa_ports(unsigned int membase, unsigned int portbase, unsigned int portshift)
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 4e29dd03e582..aeeed806f991 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -233,7 +233,7 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
 	spin_unlock_irq(&die_lock);
 
 	if (panic_on_oops)
-		panic("Fatal exception: panic_on_oops");
+		panic("Fatal exception");
 
 	do_exit(SIGSEGV);
 }
diff --git a/arch/arm/mach-footbridge/dc21285.c b/arch/arm/mach-footbridge/dc21285.c
index 607ed1f5b3f8..823e25d4547e 100644
--- a/arch/arm/mach-footbridge/dc21285.c
+++ b/arch/arm/mach-footbridge/dc21285.c
@@ -35,7 +35,6 @@
 
 extern int setup_arm_irq(int, struct irqaction *);
 extern void pcibios_report_status(u_int status_mask, int warn);
-extern void register_isa_ports(unsigned int, unsigned int, unsigned int);
 
 static unsigned long
 dc21285_base_address(struct pci_bus *bus, unsigned int devfn)
diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index f9043592e299..4418f6d7572d 100644
--- a/arch/arm/mach-integrator/pci_v3.c
+++ b/arch/arm/mach-integrator/pci_v3.c
@@ -600,4 +600,6 @@ void __init pci_v3_postinit(void)
 		printk(KERN_ERR "PCI: unable to grab local bus timeout "
 		       "interrupt: %d\n", ret);
 #endif
+
+	register_isa_ports(PHYS_PCI_MEM_BASE, PHYS_PCI_IO_BASE, 0);
 }
diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index 2d40fe1145f0..9562177b5fe1 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -532,8 +532,6 @@ pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
 	return -EIO;
 }
 
-EXPORT_SYMBOL(pci_set_dma_mask);
-EXPORT_SYMBOL(pci_set_consistent_dma_mask);
 EXPORT_SYMBOL(ixp4xx_pci_read);
 EXPORT_SYMBOL(ixp4xx_pci_write);
 
diff --git a/arch/arm/mach-ixp4xx/gtwx5715-setup.c b/arch/arm/mach-ixp4xx/gtwx5715-setup.c
index 654e2eed81fb..30f1300e0e21 100644
--- a/arch/arm/mach-ixp4xx/gtwx5715-setup.c
+++ b/arch/arm/mach-ixp4xx/gtwx5715-setup.c
@@ -107,9 +107,9 @@ static struct flash_platform_data gtwx5715_flash_data = {
 	.width		= 2,
 };
 
-static struct gtw5715_flash_resource = {
+static struct resource gtwx5715_flash_resource = {
 	.flags		= IORESOURCE_MEM,
-}
+};
 
 static struct platform_device gtwx5715_flash = {
 	.name		= "IXP4XX-Flash",
@@ -130,9 +130,6 @@ static void __init gtwx5715_init(void)
 {
 	ixp4xx_sys_init();
 
-	if (!flash_resource)
-		printk(KERN_ERR "Could not allocate flash resource\n");
-
 	gtwx5715_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 	gtwx5715_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_8M - 1;
 
diff --git a/arch/arm/mach-pxa/corgi_ssp.c b/arch/arm/mach-pxa/corgi_ssp.c
index f9421318cb7a..ff6b4ee037f5 100644
--- a/arch/arm/mach-pxa/corgi_ssp.c
+++ b/arch/arm/mach-pxa/corgi_ssp.c
@@ -47,14 +47,15 @@ static struct corgissp_machinfo *ssp_machinfo;
  */
 unsigned long corgi_ssp_ads7846_putget(ulong data)
 {
-	unsigned long ret,flag;
+	unsigned long flag;
+	u32 ret = 0;
 
 	spin_lock_irqsave(&corgi_ssp_lock, flag);
 	if (ssp_machinfo->cs_ads7846 >= 0)
 		GPCR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);
 
 	ssp_write_word(&corgi_ssp_dev,data);
-	ret = ssp_read_word(&corgi_ssp_dev);
+ 	ssp_read_word(&corgi_ssp_dev, &ret);
 
 	if (ssp_machinfo->cs_ads7846 >= 0)
 		GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);
@@ -88,7 +89,9 @@ void corgi_ssp_ads7846_put(ulong data)
 
 unsigned long corgi_ssp_ads7846_get(void)
 {
-	return ssp_read_word(&corgi_ssp_dev);
+	u32 ret = 0;
+	ssp_read_word(&corgi_ssp_dev, &ret);
+	return ret;
 }
 
 EXPORT_SYMBOL(corgi_ssp_ads7846_putget);
@@ -104,6 +107,7 @@ EXPORT_SYMBOL(corgi_ssp_ads7846_get);
 unsigned long corgi_ssp_dac_put(ulong data)
 {
 	unsigned long flag, sscr1 = SSCR1_SPH;
+	u32 tmp;
 
 	spin_lock_irqsave(&corgi_ssp_lock, flag);
 
@@ -118,7 +122,7 @@ unsigned long corgi_ssp_dac_put(ulong data)
 		GPCR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon);
 	ssp_write_word(&corgi_ssp_dev,data);
 	/* Read null data back from device to prevent SSP overflow */
-	ssp_read_word(&corgi_ssp_dev);
+	ssp_read_word(&corgi_ssp_dev, &tmp);
 	if (ssp_machinfo->cs_lcdcon >= 0)
 		GPSR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon);
 
@@ -150,7 +154,7 @@ EXPORT_SYMBOL(corgi_ssp_blduty_set);
 int corgi_ssp_max1111_get(ulong data)
 {
 	unsigned long flag;
-	int voltage,voltage1,voltage2;
+	long voltage = 0, voltage1 = 0, voltage2 = 0;
 
 	spin_lock_irqsave(&corgi_ssp_lock, flag);
 	if (ssp_machinfo->cs_max1111 >= 0)
@@ -163,15 +167,15 @@ int corgi_ssp_max1111_get(ulong data)
 
 	/* TB1/RB1 */
 	ssp_write_word(&corgi_ssp_dev,data);
-	ssp_read_word(&corgi_ssp_dev); /* null read */
+	ssp_read_word(&corgi_ssp_dev, (u32*)&voltage1); /* null read */
 
 	/* TB12/RB2 */
 	ssp_write_word(&corgi_ssp_dev,0);
-	voltage1=ssp_read_word(&corgi_ssp_dev);
+	ssp_read_word(&corgi_ssp_dev, (u32*)&voltage1);
 
 	/* TB13/RB3*/
 	ssp_write_word(&corgi_ssp_dev,0);
-	voltage2=ssp_read_word(&corgi_ssp_dev);
+	ssp_read_word(&corgi_ssp_dev, (u32*)&voltage2);
 
 	ssp_disable(&corgi_ssp_dev);
 	ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_ads7846));
diff --git a/arch/arm/mach-pxa/ssp.c b/arch/arm/mach-pxa/ssp.c
index 93096befd017..1fddfeaa630d 100644
--- a/arch/arm/mach-pxa/ssp.c
+++ b/arch/arm/mach-pxa/ssp.c
@@ -40,6 +40,8 @@
 
 #define PXA_SSP_PORTS 	3
 
+#define TIMEOUT 100000
+
 struct ssp_info_ {
 	int irq;
 	u32 clock;
@@ -92,13 +94,18 @@ static irqreturn_t ssp_interrupt(int irq, void *dev_id, struct pt_regs *regs)
  * The caller is expected to perform the necessary locking.
  *
  * Returns:
- *   %-ETIMEDOUT	timeout occurred (for future)
+ *   %-ETIMEDOUT	timeout occurred
  *   0			success
  */
 int ssp_write_word(struct ssp_dev *dev, u32 data)
 {
-	while (!(SSSR_P(dev->port) & SSSR_TNF))
+	int timeout = TIMEOUT;
+
+	while (!(SSSR_P(dev->port) & SSSR_TNF)) {
+	        if (!--timeout)
+	        	return -ETIMEDOUT;
 		cpu_relax();
+	}
 
 	SSDR_P(dev->port) = data;
 
@@ -117,15 +124,21 @@ int ssp_write_word(struct ssp_dev *dev, u32 data)
  * The caller is expected to perform the necessary locking.
  *
  * Returns:
- *   %-ETIMEDOUT	timeout occurred (for future)
+ *   %-ETIMEDOUT	timeout occurred
  *   32-bit data	success
  */
-int ssp_read_word(struct ssp_dev *dev)
+int ssp_read_word(struct ssp_dev *dev, u32 *data)
 {
-	while (!(SSSR_P(dev->port) & SSSR_RNE))
+	int timeout = TIMEOUT;
+
+	while (!(SSSR_P(dev->port) & SSSR_RNE)) {
+	        if (!--timeout)
+	        	return -ETIMEDOUT;
 		cpu_relax();
+	}
 
-	return SSDR_P(dev->port);
+	*data = SSDR_P(dev->port);
+	return 0;
 }
 
 /**
@@ -136,13 +149,21 @@ int ssp_read_word(struct ssp_dev *dev)
  *
  * The caller is expected to perform the necessary locking.
  */
-void ssp_flush(struct ssp_dev *dev)
+int ssp_flush(struct ssp_dev *dev)
 {
+	int timeout = TIMEOUT * 2;
+
 	do {
 		while (SSSR_P(dev->port) & SSSR_RNE) {
+		        if (!--timeout)
+		        	return -ETIMEDOUT;
 			(void) SSDR_P(dev->port);
 		}
+	        if (!--timeout)
+	        	return -ETIMEDOUT;
 	} while (SSSR_P(dev->port) & SSSR_BSY);
+
+	return 0;
 }
 
 /**
diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile
index 0c7938645df6..273e05f2b8de 100644
--- a/arch/arm/mach-s3c2410/Makefile
+++ b/arch/arm/mach-s3c2410/Makefile
@@ -10,45 +10,47 @@ obj-m			:=
 obj-n			:=
 obj-			:=
 
+# DMA
+obj-$(CONFIG_S3C2410_DMA)	+= dma.o
+
 # S3C2400 support files
-obj-$(CONFIG_CPU_S3C2400)  += s3c2400-gpio.o
+obj-$(CONFIG_CPU_S3C2400)	+= s3c2400-gpio.o
 
 # S3C2410 support files
 
-obj-$(CONFIG_CPU_S3C2410)  += s3c2410.o
-obj-$(CONFIG_CPU_S3C2410)  += s3c2410-gpio.o
-obj-$(CONFIG_S3C2410_DMA)  += dma.o
+obj-$(CONFIG_CPU_S3C2410)	+= s3c2410.o
+obj-$(CONFIG_CPU_S3C2410)	+= s3c2410-gpio.o
 
 # Power Management support
 
-obj-$(CONFIG_PM)	   += pm.o sleep.o
-obj-$(CONFIG_PM_SIMTEC)	   += pm-simtec.o
+obj-$(CONFIG_PM)		+= pm.o sleep.o
+obj-$(CONFIG_PM_SIMTEC)		+= pm-simtec.o
 
 # S3C2412 support
-obj-$(CONFIG_CPU_S3C2412)  += s3c2412.o
-obj-$(CONFIG_CPU_S3C2412)  += s3c2412-clock.o
+obj-$(CONFIG_CPU_S3C2412)	+= s3c2412.o
+obj-$(CONFIG_CPU_S3C2412)	+= s3c2412-clock.o
 
 #
 # S3C244X support
 
-obj-$(CONFIG_CPU_S3C244X)  += s3c244x.o
-obj-$(CONFIG_CPU_S3C244X)  += s3c244x-irq.o
+obj-$(CONFIG_CPU_S3C244X)	+= s3c244x.o
+obj-$(CONFIG_CPU_S3C244X)	+= s3c244x-irq.o
 
 # Clock control
 
-obj-$(CONFIG_S3C2410_CLOCK) += s3c2410-clock.o
+obj-$(CONFIG_S3C2410_CLOCK)	+= s3c2410-clock.o
 
 # S3C2440 support
 
-obj-$(CONFIG_CPU_S3C2440)  += s3c2440.o s3c2440-dsc.o
-obj-$(CONFIG_CPU_S3C2440)  += s3c2440-irq.o
-obj-$(CONFIG_CPU_S3C2440)  += s3c2440-clock.o
-obj-$(CONFIG_CPU_S3C2440)  += s3c2410-gpio.o
+obj-$(CONFIG_CPU_S3C2440)	+= s3c2440.o s3c2440-dsc.o
+obj-$(CONFIG_CPU_S3C2440)	+= s3c2440-irq.o
+obj-$(CONFIG_CPU_S3C2440)	+= s3c2440-clock.o
+obj-$(CONFIG_CPU_S3C2440)	+= s3c2410-gpio.o
 
 # S3C2442 support
 
-obj-$(CONFIG_CPU_S3C2442)  += s3c2442.o
-obj-$(CONFIG_CPU_S3C2442)  += s3c2442-clock.o
+obj-$(CONFIG_CPU_S3C2442)	+= s3c2442.o
+obj-$(CONFIG_CPU_S3C2442)	+= s3c2442-clock.o
 
 # bast extras
 
diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c
index 094cc52745c5..25855452fe8c 100644
--- a/arch/arm/mach-s3c2410/dma.c
+++ b/arch/arm/mach-s3c2410/dma.c
@@ -112,7 +112,7 @@ dmadbg_capture(s3c2410_dma_chan_t *chan, struct s3c2410_dma_regstate *regs)
 }
 
 static void
-dmadbg_showregs(const char *fname, int line, s3c2410_dma_chan_t *chan,
+dmadbg_dumpregs(const char *fname, int line, s3c2410_dma_chan_t *chan,
 		 struct s3c2410_dma_regstate *regs)
 {
 	printk(KERN_DEBUG "dma%d: %s:%d: DCSRC=%08lx, DISRC=%08lx, DSTAT=%08lx DMT=%02lx, DCON=%08lx\n",
@@ -132,7 +132,16 @@ dmadbg_showchan(const char *fname, int line, s3c2410_dma_chan_t *chan)
 	       chan->number, fname, line, chan->load_state,
 	       chan->curr, chan->next, chan->end);
 
-	dmadbg_showregs(fname, line, chan, &state);
+	dmadbg_dumpregs(fname, line, chan, &state);
+}
+
+static void
+dmadbg_showregs(const char *fname, int line, s3c2410_dma_chan_t *chan)
+{
+	struct s3c2410_dma_regstate state;
+
+	dmadbg_capture(chan, &state);
+	dmadbg_dumpregs(fname, line, chan, &state);
 }
 
 #define dbg_showregs(chan) dmadbg_showregs(__FUNCTION__, __LINE__, (chan))
@@ -253,10 +262,14 @@ s3c2410_dma_loadbuffer(s3c2410_dma_chan_t *chan,
 			 buf->next);
 		reload = (buf->next == NULL) ? S3C2410_DCON_NORELOAD : 0;
 	} else {
-		pr_debug("load_state is %d => autoreload\n", chan->load_state);
+		//pr_debug("load_state is %d => autoreload\n", chan->load_state);
 		reload = S3C2410_DCON_AUTORELOAD;
 	}
 
+	if ((buf->data & 0xf0000000) != 0x30000000) {
+		dmawarn("dmaload: buffer is %p\n", (void *)buf->data);
+	}
+
 	writel(buf->data, chan->addr_reg);
 
 	dma_wrreg(chan, S3C2410_DMA_DCON,
@@ -370,7 +383,7 @@ static int s3c2410_dma_start(s3c2410_dma_chan_t *chan)
 	tmp |= S3C2410_DMASKTRIG_ON;
 	dma_wrreg(chan, S3C2410_DMA_DMASKTRIG, tmp);
 
-	pr_debug("wrote %08lx to DMASKTRIG\n", tmp);
+	pr_debug("dma%d: %08lx to DMASKTRIG\n", chan->number, tmp);
 
 #if 0
 	/* the dma buffer loads should take care of clearing the AUTO
@@ -384,7 +397,30 @@ static int s3c2410_dma_start(s3c2410_dma_chan_t *chan)
 
 	dbg_showchan(chan);
 
+	/* if we've only loaded one buffer onto the channel, then chec
+	 * to see if we have another, and if so, try and load it so when
+	 * the first buffer is finished, the new one will be loaded onto
+	 * the channel */
+
+	if (chan->next != NULL) {
+		if (chan->load_state == S3C2410_DMALOAD_1LOADED) {
+
+			if (s3c2410_dma_waitforload(chan, __LINE__) == 0) {
+				pr_debug("%s: buff not yet loaded, no more todo\n",
+					 __FUNCTION__);
+			} else {
+				chan->load_state = S3C2410_DMALOAD_1RUNNING;
+				s3c2410_dma_loadbuffer(chan, chan->next);
+			}
+
+		} else if (chan->load_state == S3C2410_DMALOAD_1RUNNING) {
+			s3c2410_dma_loadbuffer(chan, chan->next);
+		}
+	}
+
+
 	local_irq_restore(flags);
+
 	return 0;
 }
 
@@ -436,12 +472,11 @@ int s3c2410_dma_enqueue(unsigned int channel, void *id,
 	buf = kmem_cache_alloc(dma_kmem, GFP_ATOMIC);
 	if (buf == NULL) {
 		pr_debug("%s: out of memory (%ld alloc)\n",
-			 __FUNCTION__, sizeof(*buf));
+			 __FUNCTION__, (long)sizeof(*buf));
 		return -ENOMEM;
 	}
 
-	pr_debug("%s: new buffer %p\n", __FUNCTION__, buf);
-
+	//pr_debug("%s: new buffer %p\n", __FUNCTION__, buf);
 	//dbg_showchan(chan);
 
 	buf->next  = NULL;
@@ -537,14 +572,20 @@ s3c2410_dma_lastxfer(s3c2410_dma_chan_t *chan)
 	case S3C2410_DMALOAD_1LOADED:
 		if (s3c2410_dma_waitforload(chan, __LINE__) == 0) {
 				/* flag error? */
-			printk(KERN_ERR "dma%d: timeout waiting for load\n",
-			       chan->number);
+			printk(KERN_ERR "dma%d: timeout waiting for load (%s)\n",
+			       chan->number, __FUNCTION__);
 			return;
 		}
 		break;
 
+	case S3C2410_DMALOAD_1LOADED_1RUNNING:
+		/* I belive in this case we do not have anything to do
+		 * until the next buffer comes along, and we turn off the
+		 * reload */
+		return;
+
 	default:
-		pr_debug("dma%d: lastxfer: unhandled load_state %d with no next",
+		pr_debug("dma%d: lastxfer: unhandled load_state %d with no next\n",
 			 chan->number, chan->load_state);
 		return;
 
@@ -629,7 +670,14 @@ s3c2410_dma_irq(int irq, void *devpw, struct pt_regs *regs)
 	} else {
 	}
 
-	if (chan->next != NULL) {
+	/* only reload if the channel is still running... our buffer done
+	 * routine may have altered the state by requesting the dma channel
+	 * to stop or shutdown... */
+
+	/* todo: check that when the channel is shut-down from inside this
+	 * function, we cope with unsetting reload, etc */
+
+	if (chan->next != NULL && chan->state != S3C2410_DMA_IDLE) {
 		unsigned long flags;
 
 		switch (chan->load_state) {
@@ -644,8 +692,8 @@ s3c2410_dma_irq(int irq, void *devpw, struct pt_regs *regs)
 		case S3C2410_DMALOAD_1LOADED:
 			if (s3c2410_dma_waitforload(chan, __LINE__) == 0) {
 				/* flag error? */
-				printk(KERN_ERR "dma%d: timeout waiting for load\n",
-				       chan->number);
+				printk(KERN_ERR "dma%d: timeout waiting for load (%s)\n",
+				       chan->number, __FUNCTION__);
 				return IRQ_HANDLED;
 			}
 
@@ -678,8 +726,6 @@ s3c2410_dma_irq(int irq, void *devpw, struct pt_regs *regs)
 	return IRQ_HANDLED;
 }
 
-
-
 /* s3c2410_request_dma
  *
  * get control of an dma channel
@@ -718,11 +764,17 @@ int s3c2410_dma_request(unsigned int channel, s3c2410_dma_client_t *client,
 		pr_debug("dma%d: %s : requesting irq %d\n",
 			 channel, __FUNCTION__, chan->irq);
 
+		chan->irq_claimed = 1;
+		local_irq_restore(flags);
+
 		err = request_irq(chan->irq, s3c2410_dma_irq, IRQF_DISABLED,
 				  client->name, (void *)chan);
 
+		local_irq_save(flags);
+
 		if (err) {
 			chan->in_use = 0;
+			chan->irq_claimed = 0;
 			local_irq_restore(flags);
 
 			printk(KERN_ERR "%s: cannot get IRQ %d for DMA %d\n",
@@ -730,7 +782,6 @@ int s3c2410_dma_request(unsigned int channel, s3c2410_dma_client_t *client,
 			return err;
 		}
 
-		chan->irq_claimed = 1;
 		chan->irq_enabled = 1;
 	}
 
@@ -810,6 +861,7 @@ static int s3c2410_dma_dostop(s3c2410_dma_chan_t *chan)
 
 	tmp = dma_rdreg(chan, S3C2410_DMA_DMASKTRIG);
 	tmp |= S3C2410_DMASKTRIG_STOP;
+	//tmp &= ~S3C2410_DMASKTRIG_ON;
 	dma_wrreg(chan, S3C2410_DMA_DMASKTRIG, tmp);
 
 #if 0
@@ -819,6 +871,7 @@ static int s3c2410_dma_dostop(s3c2410_dma_chan_t *chan)
 	dma_wrreg(chan, S3C2410_DMA_DCON, tmp);
 #endif
 
+	/* should stop do this, or should we wait for flush? */
 	chan->state      = S3C2410_DMA_IDLE;
 	chan->load_state = S3C2410_DMALOAD_NONE;
 
@@ -827,6 +880,22 @@ static int s3c2410_dma_dostop(s3c2410_dma_chan_t *chan)
 	return 0;
 }
 
+void s3c2410_dma_waitforstop(s3c2410_dma_chan_t *chan)
+{
+	unsigned long tmp;
+	unsigned int timeout = 0x10000;
+
+	while (timeout-- > 0) {
+		tmp = dma_rdreg(chan, S3C2410_DMA_DMASKTRIG);
+
+		if (!(tmp & S3C2410_DMASKTRIG_ON))
+			return;
+	}
+
+	pr_debug("dma%d: failed to stop?\n", chan->number);
+}
+
+
 /* s3c2410_dma_flush
  *
  * stop the channel, and remove all current and pending transfers
@@ -837,7 +906,9 @@ static int s3c2410_dma_flush(s3c2410_dma_chan_t *chan)
 	s3c2410_dma_buf_t *buf, *next;
 	unsigned long flags;
 
-	pr_debug("%s:\n", __FUNCTION__);
+	pr_debug("%s: chan %p (%d)\n", __FUNCTION__, chan, chan->number);
+
+	dbg_showchan(chan);
 
 	local_irq_save(flags);
 
@@ -864,11 +935,64 @@ static int s3c2410_dma_flush(s3c2410_dma_chan_t *chan)
 		}
 	}
 
+	dbg_showregs(chan);
+
+	s3c2410_dma_waitforstop(chan);
+
+#if 0
+	/* should also clear interrupts, according to WinCE BSP */
+	{
+		unsigned long tmp;
+
+		tmp = dma_rdreg(chan, S3C2410_DMA_DCON);
+		tmp |= S3C2410_DCON_NORELOAD;
+		dma_wrreg(chan, S3C2410_DMA_DCON, tmp);
+	}
+#endif
+
+	dbg_showregs(chan);
+
 	local_irq_restore(flags);
 
 	return 0;
 }
 
+int
+s3c2410_dma_started(s3c2410_dma_chan_t *chan)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+
+	dbg_showchan(chan);
+
+	/* if we've only loaded one buffer onto the channel, then chec
+	 * to see if we have another, and if so, try and load it so when
+	 * the first buffer is finished, the new one will be loaded onto
+	 * the channel */
+
+	if (chan->next != NULL) {
+		if (chan->load_state == S3C2410_DMALOAD_1LOADED) {
+
+			if (s3c2410_dma_waitforload(chan, __LINE__) == 0) {
+				pr_debug("%s: buff not yet loaded, no more todo\n",
+					 __FUNCTION__);
+			} else {
+				chan->load_state = S3C2410_DMALOAD_1RUNNING;
+				s3c2410_dma_loadbuffer(chan, chan->next);
+			}
+
+		} else if (chan->load_state == S3C2410_DMALOAD_1RUNNING) {
+			s3c2410_dma_loadbuffer(chan, chan->next);
+		}
+	}
+
+
+	local_irq_restore(flags);
+
+	return 0;
+
+}
 
 int
 s3c2410_dma_ctrl(dmach_t channel, s3c2410_chan_op_t op)
@@ -885,14 +1009,15 @@ s3c2410_dma_ctrl(dmach_t channel, s3c2410_chan_op_t op)
 		return s3c2410_dma_dostop(chan);
 
 	case S3C2410_DMAOP_PAUSE:
-		return -ENOENT;
-
 	case S3C2410_DMAOP_RESUME:
 		return -ENOENT;
 
 	case S3C2410_DMAOP_FLUSH:
 		return s3c2410_dma_flush(chan);
 
+	case S3C2410_DMAOP_STARTED:
+		return s3c2410_dma_started(chan);
+
 	case S3C2410_DMAOP_TIMEOUT:
 		return 0;
 
diff --git a/arch/arm/mach-sa1100/ssp.c b/arch/arm/mach-sa1100/ssp.c
index 1604dadf27fc..5eba5fbbb561 100644
--- a/arch/arm/mach-sa1100/ssp.c
+++ b/arch/arm/mach-sa1100/ssp.c
@@ -23,6 +23,8 @@
 #include <asm/hardware.h>
 #include <asm/hardware/ssp.h>
 
+#define TIMEOUT 100000
+
 static irqreturn_t ssp_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
 	unsigned int status = Ser4SSSR;
@@ -47,18 +49,27 @@ static irqreturn_t ssp_interrupt(int irq, void *dev_id, struct pt_regs *regs)
  * The caller is expected to perform the necessary locking.
  *
  * Returns:
- *   %-ETIMEDOUT	timeout occurred (for future)
+ *   %-ETIMEDOUT	timeout occurred
  *   0			success
  */
 int ssp_write_word(u16 data)
 {
-	while (!(Ser4SSSR & SSSR_TNF))
+	int timeout = TIMEOUT;
+
+	while (!(Ser4SSSR & SSSR_TNF)) {
+	        if (!--timeout)
+	        	return -ETIMEDOUT;
 		cpu_relax();
+	}
 
 	Ser4SSDR = data;
 
-	while (!(Ser4SSSR & SSSR_BSY))
+	timeout = TIMEOUT;
+	while (!(Ser4SSSR & SSSR_BSY)) {
+	        if (!--timeout)
+	        	return -ETIMEDOUT;
 		cpu_relax();
+	}
 
 	return 0;
 }
@@ -75,15 +86,22 @@ int ssp_write_word(u16 data)
  * The caller is expected to perform the necessary locking.
  *
  * Returns:
- *   %-ETIMEDOUT	timeout occurred (for future)
+ *   %-ETIMEDOUT	timeout occurred
  *   16-bit data	success
  */
-int ssp_read_word(void)
+int ssp_read_word(u16 *data)
 {
-	while (!(Ser4SSSR & SSSR_RNE))
+	int timeout = TIMEOUT;
+
+	while (!(Ser4SSSR & SSSR_RNE)) {
+	        if (!--timeout)
+	        	return -ETIMEDOUT;
 		cpu_relax();
+	}
+
+	*data = (u16)Ser4SSDR;
 
-	return Ser4SSDR;
+	return 0;
 }
 
 /**
@@ -93,14 +111,26 @@ int ssp_read_word(void)
  * is empty.
  *
  * The caller is expected to perform the necessary locking.
+ *
+ * Returns:
+ *   %-ETIMEDOUT	timeout occurred
+ *   0			success
  */
-void ssp_flush(void)
+int ssp_flush(void)
 {
+	int timeout = TIMEOUT * 2;
+
 	do {
 		while (Ser4SSSR & SSSR_RNE) {
+		        if (!--timeout)
+		        	return -ETIMEDOUT;
 			(void) Ser4SSDR;
 		}
+	        if (!--timeout)
+	        	return -ETIMEDOUT;
 	} while (Ser4SSSR & SSSR_BSY);
+
+	return 0;
 }
 
 /**
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index c4e3f8c68479..f2bbef07b1e4 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -285,7 +285,7 @@ static struct flash_platform_data versatile_flash_data = {
 
 static struct resource versatile_flash_resource = {
 	.start			= VERSATILE_FLASH_BASE,
-	.end			= VERSATILE_FLASH_BASE + VERSATILE_FLASH_SIZE,
+	.end			= VERSATILE_FLASH_BASE + VERSATILE_FLASH_SIZE - 1,
 	.flags			= IORESOURCE_MEM,
 };
 
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 5f80f184cd32..b4f220dd5eb8 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -46,7 +46,7 @@ config CPU_ARM710
 config CPU_ARM720T
 	bool "Support ARM720T processor" if !ARCH_CLPS711X && !ARCH_L7200 && !ARCH_CDB89712 && ARCH_INTEGRATOR
 	default y if ARCH_CLPS711X || ARCH_L7200 || ARCH_CDB89712 || ARCH_H720X
-	select CPU_32v4
+	select CPU_32v4T
 	select CPU_ABRT_LV4T
 	select CPU_CACHE_V4
 	select CPU_CACHE_VIVT
@@ -64,7 +64,7 @@ config CPU_ARM920T
 	bool "Support ARM920T processor"
 	depends on ARCH_EP93XX || ARCH_INTEGRATOR || CPU_S3C2410 || CPU_S3C2440 || CPU_S3C2442 || ARCH_IMX || ARCH_AAEC2000 || ARCH_AT91RM9200
 	default y if CPU_S3C2410 || CPU_S3C2440 || CPU_S3C2442 || ARCH_AT91RM9200
-	select CPU_32v4
+	select CPU_32v4T
 	select CPU_ABRT_EV4T
 	select CPU_CACHE_V4WT
 	select CPU_CACHE_VIVT
@@ -85,7 +85,7 @@ config CPU_ARM922T
 	bool "Support ARM922T processor" if ARCH_INTEGRATOR
 	depends on ARCH_LH7A40X || ARCH_INTEGRATOR
 	default y if ARCH_LH7A40X
-	select CPU_32v4
+	select CPU_32v4T
 	select CPU_ABRT_EV4T
 	select CPU_CACHE_V4WT
 	select CPU_CACHE_VIVT
@@ -104,7 +104,7 @@ config CPU_ARM925T
  	bool "Support ARM925T processor" if ARCH_OMAP1
  	depends on ARCH_OMAP15XX
  	default y if ARCH_OMAP15XX
-	select CPU_32v4
+	select CPU_32v4T
 	select CPU_ABRT_EV4T
 	select CPU_CACHE_V4WT
 	select CPU_CACHE_VIVT
@@ -285,6 +285,11 @@ config CPU_32v4
 	select TLS_REG_EMUL if SMP || !MMU
 	select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
 
+config CPU_32v4T
+	bool
+	select TLS_REG_EMUL if SMP || !MMU
+	select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
+
 config CPU_32v5
 	bool
 	select TLS_REG_EMUL if SMP || !MMU
diff --git a/arch/arm/vfp/vfp.h b/arch/arm/vfp/vfp.h
index 4b97950984e9..5fbdf81a8aaf 100644
--- a/arch/arm/vfp/vfp.h
+++ b/arch/arm/vfp/vfp.h
@@ -353,3 +353,11 @@ u32 vfp_estimate_sqrt_significand(u32 exponent, u32 significand);
  * A special flag to tell the normalisation code not to normalise.
  */
 #define VFP_NAN_FLAG	0x100
+
+/*
+ * A bit pattern used to indicate the initial (unset) value of the
+ * exception mask, in case nothing handles an instruction.  This
+ * doesn't include the NAN flag, which get masked out before
+ * we check for an error.
+ */
+#define VFP_EXCEPTION_ERROR	((u32)-1 & ~VFP_NAN_FLAG)
diff --git a/arch/arm/vfp/vfpdouble.c b/arch/arm/vfp/vfpdouble.c
index 009038c8113e..04bd3425b29b 100644
--- a/arch/arm/vfp/vfpdouble.c
+++ b/arch/arm/vfp/vfpdouble.c
@@ -465,7 +465,7 @@ static u32 vfp_double_fcvts(int sd, int unused, int dm, u32 fpscr)
 	 */
 	if (tm & (VFP_INFINITY|VFP_NAN)) {
 		vsd.exponent = 255;
-		if (tm & VFP_NAN)
+		if (tm == VFP_QNAN)
 			vsd.significand |= VFP_SINGLE_SIGNIFICAND_QNAN;
 		goto pack_nan;
 	} else if (tm & VFP_ZERO)
@@ -1127,7 +1127,7 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr)
 {
 	u32 op = inst & FOP_MASK;
 	u32 exceptions = 0;
-	unsigned int dd = vfp_get_dd(inst);
+	unsigned int dest;
 	unsigned int dn = vfp_get_dn(inst);
 	unsigned int dm = vfp_get_dm(inst);
 	unsigned int vecitr, veclen, vecstride;
@@ -1137,10 +1137,20 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr)
 	vecstride = (1 + ((fpscr & FPSCR_STRIDE_MASK) == FPSCR_STRIDE_MASK)) * 2;
 
 	/*
+	 * fcvtds takes an sN register number as destination, not dN.
+	 * It also always operates on scalars.
+	 */
+	if ((inst & FEXT_MASK) == FEXT_FCVT) {
+		veclen = 0;
+		dest = vfp_get_sd(inst);
+	} else
+		dest = vfp_get_dd(inst);
+
+	/*
 	 * If destination bank is zero, vector length is always '1'.
 	 * ARM DDI0100F C5.1.3, C5.3.2.
 	 */
-	if (FREG_BANK(dd) == 0)
+	if (FREG_BANK(dest) == 0)
 		veclen = 0;
 
 	pr_debug("VFP: vecstride=%u veclen=%u\n", vecstride,
@@ -1153,16 +1163,20 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr)
 	for (vecitr = 0; vecitr <= veclen; vecitr += 1 << FPSCR_LENGTH_BIT) {
 		u32 except;
 
-		if (op == FOP_EXT)
+		if (op == FOP_EXT && (inst & FEXT_MASK) == FEXT_FCVT)
+			pr_debug("VFP: itr%d (s%u) = op[%u] (d%u)\n",
+				 vecitr >> FPSCR_LENGTH_BIT,
+				 dest, dn, dm);
+		else if (op == FOP_EXT)
 			pr_debug("VFP: itr%d (d%u) = op[%u] (d%u)\n",
 				 vecitr >> FPSCR_LENGTH_BIT,
-				 dd, dn, dm);
+				 dest, dn, dm);
 		else
 			pr_debug("VFP: itr%d (d%u) = (d%u) op[%u] (d%u)\n",
 				 vecitr >> FPSCR_LENGTH_BIT,
-				 dd, dn, FOP_TO_IDX(op), dm);
+				 dest, dn, FOP_TO_IDX(op), dm);
 
-		except = fop(dd, dn, dm, fpscr);
+		except = fop(dest, dn, dm, fpscr);
 		pr_debug("VFP: itr%d: exceptions=%08x\n",
 			 vecitr >> FPSCR_LENGTH_BIT, except);
 
@@ -1180,7 +1194,7 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr)
 		 * we encounter an exception.  We continue.
 		 */
 
-		dd = FREG_BANK(dd) + ((FREG_IDX(dd) + vecstride) & 6);
+		dest = FREG_BANK(dest) + ((FREG_IDX(dest) + vecstride) & 6);
 		dn = FREG_BANK(dn) + ((FREG_IDX(dn) + vecstride) & 6);
 		if (FREG_BANK(dm) != 0)
 			dm = FREG_BANK(dm) + ((FREG_IDX(dm) + vecstride) & 6);
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index 9d265d5e748c..4178f6cc3d37 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -131,7 +131,7 @@ static void vfp_raise_exceptions(u32 exceptions, u32 inst, u32 fpscr, struct pt_
 
 	pr_debug("VFP: raising exceptions %08x\n", exceptions);
 
-	if (exceptions == (u32)-1) {
+	if (exceptions == VFP_EXCEPTION_ERROR) {
 		vfp_panic("unhandled bounce");
 		vfp_raise_sigfpe(0, regs);
 		return;
@@ -170,7 +170,7 @@ static void vfp_raise_exceptions(u32 exceptions, u32 inst, u32 fpscr, struct pt_
  */
 static u32 vfp_emulate_instruction(u32 inst, u32 fpscr, struct pt_regs *regs)
 {
-	u32 exceptions = (u32)-1;
+	u32 exceptions = VFP_EXCEPTION_ERROR;
 
 	pr_debug("VFP: emulate: INST=0x%08x SCR=0x%08x\n", inst, fpscr);
 
diff --git a/arch/arm/vfp/vfpsingle.c b/arch/arm/vfp/vfpsingle.c
index dae2c2f46052..78d7cac5f36b 100644
--- a/arch/arm/vfp/vfpsingle.c
+++ b/arch/arm/vfp/vfpsingle.c
@@ -506,7 +506,7 @@ static u32 vfp_single_fcvtd(int dd, int unused, s32 m, u32 fpscr)
 	 */
 	if (tm & (VFP_INFINITY|VFP_NAN)) {
 		vdd.exponent = 2047;
-		if (tm & VFP_NAN)
+		if (tm == VFP_QNAN)
 			vdd.significand |= VFP_DOUBLE_SIGNIFICAND_QNAN;
 		goto pack_nan;
 	} else if (tm & VFP_ZERO)
@@ -514,10 +514,6 @@ static u32 vfp_single_fcvtd(int dd, int unused, s32 m, u32 fpscr)
 	else
 		vdd.exponent = vsm.exponent + (1023 - 127);
 
-	/*
-	 * Technically, if bit 0 of dd is set, this is an invalid
-	 * instruction.  However, we ignore this for efficiency.
-	 */
 	return vfp_double_normaliseround(dd, &vdd, fpscr, exceptions, "fcvtd");
 
  pack_nan:
@@ -1174,7 +1170,7 @@ u32 vfp_single_cpdo(u32 inst, u32 fpscr)
 {
 	u32 op = inst & FOP_MASK;
 	u32 exceptions = 0;
-	unsigned int sd = vfp_get_sd(inst);
+	unsigned int dest;
 	unsigned int sn = vfp_get_sn(inst);
 	unsigned int sm = vfp_get_sm(inst);
 	unsigned int vecitr, veclen, vecstride;
@@ -1184,10 +1180,22 @@ u32 vfp_single_cpdo(u32 inst, u32 fpscr)
 	vecstride = 1 + ((fpscr & FPSCR_STRIDE_MASK) == FPSCR_STRIDE_MASK);
 
 	/*
+	 * fcvtsd takes a dN register number as destination, not sN.
+	 * Technically, if bit 0 of dd is set, this is an invalid
+	 * instruction.  However, we ignore this for efficiency.
+	 * It also only operates on scalars.
+	 */
+	if ((inst & FEXT_MASK) == FEXT_FCVT) {
+		veclen = 0;
+		dest = vfp_get_dd(inst);
+	} else
+		dest = vfp_get_sd(inst);
+
+	/*
 	 * If destination bank is zero, vector length is always '1'.
 	 * ARM DDI0100F C5.1.3, C5.3.2.
 	 */
-	if (FREG_BANK(sd) == 0)
+	if (FREG_BANK(dest) == 0)
 		veclen = 0;
 
 	pr_debug("VFP: vecstride=%u veclen=%u\n", vecstride,
@@ -1201,15 +1209,18 @@ u32 vfp_single_cpdo(u32 inst, u32 fpscr)
 		s32 m = vfp_get_float(sm);
 		u32 except;
 
-		if (op == FOP_EXT)
+		if (op == FOP_EXT && (inst & FEXT_MASK) == FEXT_FCVT)
+			pr_debug("VFP: itr%d (d%u) = op[%u] (s%u=%08x)\n",
+				 vecitr >> FPSCR_LENGTH_BIT, dest, sn, sm, m);
+		else if (op == FOP_EXT)
 			pr_debug("VFP: itr%d (s%u) = op[%u] (s%u=%08x)\n",
-				 vecitr >> FPSCR_LENGTH_BIT, sd, sn, sm, m);
+				 vecitr >> FPSCR_LENGTH_BIT, dest, sn, sm, m);
 		else
 			pr_debug("VFP: itr%d (s%u) = (s%u) op[%u] (s%u=%08x)\n",
-				 vecitr >> FPSCR_LENGTH_BIT, sd, sn,
+				 vecitr >> FPSCR_LENGTH_BIT, dest, sn,
 				 FOP_TO_IDX(op), sm, m);
 
-		except = fop(sd, sn, m, fpscr);
+		except = fop(dest, sn, m, fpscr);
 		pr_debug("VFP: itr%d: exceptions=%08x\n",
 			 vecitr >> FPSCR_LENGTH_BIT, except);
 
@@ -1227,7 +1238,7 @@ u32 vfp_single_cpdo(u32 inst, u32 fpscr)
 		 * we encounter an exception.  We continue.
 		 */
 
-		sd = FREG_BANK(sd) + ((FREG_IDX(sd) + vecstride) & 7);
+		dest = FREG_BANK(dest) + ((FREG_IDX(dest) + vecstride) & 7);
 		sn = FREG_BANK(sn) + ((FREG_IDX(sn) + vecstride) & 7);
 		if (FREG_BANK(sm) != 0)
 			sm = FREG_BANK(sm) + ((FREG_IDX(sm) + vecstride) & 7);
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index f71fb4a029cb..b2751eadbc56 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -142,6 +142,7 @@ config X86_SUMMIT
 	  In particular, it is needed for the x440.
 
 	  If you don't have one of these computers, you should say N here.
+	  If you want to build a NUMA kernel, you must select ACPI.
 
 config X86_BIGSMP
 	bool "Support for other sub-arch SMP systems with more than 8 CPUs"
@@ -169,6 +170,7 @@ config X86_GENERICARCH
        help
           This option compiles in the Summit, bigsmp, ES7000, default subarchitectures.
 	  It is intended for a generic binary kernel.
+	  If you want a NUMA kernel, select ACPI.   We need SRAT for NUMA.
 
 config X86_ES7000
 	bool "Support for Unisys ES7000 IA32 series"
@@ -542,7 +544,7 @@ config X86_PAE
 # Common NUMA Features
 config NUMA
 	bool "Numa Memory Allocation and Scheduler Support"
-	depends on SMP && HIGHMEM64G && (X86_NUMAQ || X86_GENERICARCH || (X86_SUMMIT && ACPI))
+	depends on SMP && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI)
 	default n if X86_PC
 	default y if (X86_NUMAQ || X86_SUMMIT)
 
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 0db6387025ca..ee003bc0e8b1 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -59,7 +59,7 @@ static inline int gsi_irq_sharing(int gsi) { return gsi; }
 
 #define BAD_MADT_ENTRY(entry, end) (					    \
 		(!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
-		((acpi_table_entry_header *)entry)->length != sizeof(*entry))
+		((acpi_table_entry_header *)entry)->length < sizeof(*entry))
 
 #define PREFIX			"ACPI: "
 
diff --git a/arch/i386/kernel/acpi/wakeup.S b/arch/i386/kernel/acpi/wakeup.S
index 9f408eee4e6f..b781b38131c0 100644
--- a/arch/i386/kernel/acpi/wakeup.S
+++ b/arch/i386/kernel/acpi/wakeup.S
@@ -292,7 +292,10 @@ ENTRY(do_suspend_lowlevel)
 	pushl	$3
 	call	acpi_enter_sleep_state
 	addl	$4, %esp
-	ret
+
+#	In case of S3 failure, we'll emerge here.  Jump
+# 	to ret_point to recover
+	jmp	ret_point
 	.p2align 4,,7
 ret_point:
 	call	restore_registers
diff --git a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
index efb41e81351c..e6ea00edcb54 100644
--- a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -567,16 +567,11 @@ static struct cpufreq_driver acpi_cpufreq_driver = {
 static int __init
 acpi_cpufreq_init (void)
 {
-	int                     result = 0;
-
 	dprintk("acpi_cpufreq_init\n");
 
-	result = acpi_cpufreq_early_init_acpi();
+	acpi_cpufreq_early_init_acpi();
 
-	if (!result)
- 		result = cpufreq_register_driver(&acpi_cpufreq_driver);
-	
-	return (result);
+ 	return cpufreq_register_driver(&acpi_cpufreq_driver);
 }
 
 
diff --git a/arch/i386/kernel/head.S b/arch/i386/kernel/head.S
index eb79aa2fa8bb..a6b8bd89aa27 100644
--- a/arch/i386/kernel/head.S
+++ b/arch/i386/kernel/head.S
@@ -317,20 +317,14 @@ is386:	movl $2,%ecx		# set MP
 	movl %eax,%gs
 	lldt %ax
 	cld			# gcc2 wants the direction flag cleared at all times
+	pushl %eax		# fake return address
 #ifdef CONFIG_SMP
 	movb ready, %cl
 	movb $1, ready
-	cmpb $0,%cl
-	je 1f			# the first CPU calls start_kernel
-				# all other CPUs call initialize_secondary
-	call initialize_secondary
-	jmp L6
-1:
+	cmpb $0,%cl		# the first CPU calls start_kernel
+	jne initialize_secondary # all other CPUs call initialize_secondary
 #endif /* CONFIG_SMP */
-	call start_kernel
-L6:
-	jmp L6			# main should never return here, but
-				# just in case, we know what happens.
+	jmp start_kernel
 
 /*
  * We depend on ET to be correct. This checks for 287/387.
diff --git a/arch/i386/kernel/irq.c b/arch/i386/kernel/irq.c
index 6cb529f60dcc..5fe547cd8f9f 100644
--- a/arch/i386/kernel/irq.c
+++ b/arch/i386/kernel/irq.c
@@ -82,10 +82,6 @@ fastcall unsigned int do_IRQ(struct pt_regs *regs)
 	}
 #endif
 
-	if (!irq_desc[irq].handle_irq) {
-		__do_IRQ(irq, regs);
-		goto out_exit;
-	}
 #ifdef CONFIG_4KSTACKS
 
 	curctx = (union irq_ctx *) current_thread_info();
@@ -125,7 +121,6 @@ fastcall unsigned int do_IRQ(struct pt_regs *regs)
 #endif
 		__do_IRQ(irq, regs);
 
-out_exit:
 	irq_exit();
 
 	return 1;
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index f1682206d304..345ffb7d904d 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -956,38 +956,6 @@ efi_memory_present_wrapper(unsigned long start, unsigned long end, void *arg)
 	return 0;
 }
 
- /*
-  * This function checks if the entire range <start,end> is mapped with type.
-  *
-  * Note: this function only works correct if the e820 table is sorted and
-  * not-overlapping, which is the case
-  */
-int __init
-e820_all_mapped(unsigned long s, unsigned long e, unsigned type)
-{
-	u64 start = s;
-	u64 end = e;
-	int i;
-	for (i = 0; i < e820.nr_map; i++) {
-		struct e820entry *ei = &e820.map[i];
-		if (type && ei->type != type)
-			continue;
-		/* is the region (part) in overlap with the current region ?*/
-		if (ei->addr >= end || ei->addr + ei->size <= start)
-			continue;
-		/* if the region is at the beginning of <start,end> we move
-		 * start to the end of the region since it's ok until there
-		 */
-		if (ei->addr <= start)
-			start = ei->addr + ei->size;
-		/* if start is now at or beyond end, we're done, full
-		 * coverage */
-		if (start >= end)
-			return 1; /* we're done */
-	}
-	return 0;
-}
-
 /*
  * Find the highest page frame number we have available
  */
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index 0d4005dc06c5..7e9edafffd8a 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -92,7 +92,11 @@ asmlinkage void spurious_interrupt_bug(void);
 asmlinkage void machine_check(void);
 
 static int kstack_depth_to_print = 24;
+#ifdef CONFIG_STACK_UNWIND
 static int call_trace = 1;
+#else
+#define call_trace (-1)
+#endif
 ATOMIC_NOTIFIER_HEAD(i386die_chain);
 
 int register_die_notifier(struct notifier_block *nb)
@@ -187,22 +191,21 @@ static void show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs,
 			if (unwind_init_blocked(&info, task) == 0)
 				unw_ret = show_trace_unwind(&info, log_lvl);
 		}
-		if (unw_ret > 0 && !arch_unw_user_mode(&info)) {
-#ifdef CONFIG_STACK_UNWIND
-			print_symbol("DWARF2 unwinder stuck at %s\n",
-				     UNW_PC(&info));
-			if (call_trace == 1) {
-				printk("Leftover inexact backtrace:\n");
-				if (UNW_SP(&info))
+		if (unw_ret > 0) {
+			if (call_trace == 1 && !arch_unw_user_mode(&info)) {
+				print_symbol("DWARF2 unwinder stuck at %s\n",
+					     UNW_PC(&info));
+				if (UNW_SP(&info) >= PAGE_OFFSET) {
+					printk("Leftover inexact backtrace:\n");
 					stack = (void *)UNW_SP(&info);
-			} else if (call_trace > 1)
+				} else
+					printk("Full inexact backtrace again:\n");
+			} else if (call_trace >= 1)
 				return;
 			else
 				printk("Full inexact backtrace again:\n");
-#else
+		} else
 			printk("Inexact backtrace:\n");
-#endif
-		}
 	}
 
 	if (task == current) {
@@ -454,7 +457,7 @@ void die(const char * str, struct pt_regs * regs, long err)
 		panic("Fatal exception in interrupt");
 
 	if (panic_on_oops)
-		panic("Fatal exception: panic_on_oops");
+		panic("Fatal exception");
 
 	oops_exit();
 	do_exit(SIGSEGV);
@@ -1241,6 +1244,7 @@ static int __init kstack_setup(char *s)
 }
 __setup("kstack=", kstack_setup);
 
+#ifdef CONFIG_STACK_UNWIND
 static int __init call_trace_setup(char *s)
 {
 	if (strcmp(s, "old") == 0)
@@ -1254,3 +1258,4 @@ static int __init call_trace_setup(char *s)
 	return 1;
 }
 __setup("call_trace=", call_trace_setup);
+#endif
diff --git a/arch/i386/pci/common.c b/arch/i386/pci/common.c
index 0a362e3aeac5..1220dd828ce3 100644
--- a/arch/i386/pci/common.c
+++ b/arch/i386/pci/common.c
@@ -237,6 +237,11 @@ char * __devinit  pcibios_setup(char *str)
 		pci_probe &= ~PCI_PROBE_MMCONF;
 		return NULL;
 	}
+	/* override DMI blacklist */
+	else if (!strcmp(str, "mmconf")) {
+		pci_probe |= PCI_PROBE_MMCONF_FORCE;
+		return NULL;
+	}
 #endif
 	else if (!strcmp(str, "noacpi")) {
 		acpi_noirq_set();
diff --git a/arch/i386/pci/init.c b/arch/i386/pci/init.c
index c7650a7e0b07..51087a9d9172 100644
--- a/arch/i386/pci/init.c
+++ b/arch/i386/pci/init.c
@@ -14,8 +14,12 @@ static __init int pci_access_init(void)
 #ifdef CONFIG_PCI_BIOS
 	pci_pcbios_init();
 #endif
-	if (raw_pci_ops)
-		return 0;
+	/*
+	 * don't check for raw_pci_ops here because we want pcbios as last
+	 * fallback, yet it's needed to run first to set pcibios_last_bus
+	 * in case legacy PCI probing is used. otherwise detecting peer busses
+	 * fails.
+	 */
 #ifdef CONFIG_PCI_DIRECT
 	pci_direct_init();
 #endif
diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c
index e545b0992c48..ef5a2faa7d82 100644
--- a/arch/i386/pci/mmconfig.c
+++ b/arch/i386/pci/mmconfig.c
@@ -12,6 +12,7 @@
 #include <linux/pci.h>
 #include <linux/init.h>
 #include <linux/acpi.h>
+#include <linux/dmi.h>
 #include <asm/e820.h>
 #include "pci.h"
 
@@ -178,7 +179,7 @@ static __init void unreachable_devices(void)
 				pci_exp_set_dev_base(addr, k, PCI_DEVFN(i, 0));
 			if (addr == 0 ||
 			    readl((u32 __iomem *)mmcfg_virt_addr) != val1) {
-				set_bit(i, fallback_slots);
+				set_bit(i + 32*k, fallback_slots);
 				printk(KERN_NOTICE
 			"PCI: No mmconfig possible on %x:%x\n", k, i);
 			}
@@ -187,9 +188,31 @@ static __init void unreachable_devices(void)
 	}
 }
 
+static int disable_mcfg(struct dmi_system_id *d)
+{
+	printk("PCI: %s detected. Disabling MCFG.\n", d->ident);
+	pci_probe &= ~PCI_PROBE_MMCONF;
+	return 0;
+}
+
+static struct dmi_system_id __initdata dmi_bad_mcfg[] = {
+	/* Has broken MCFG table that makes the system hang when used */
+        {
+         .callback = disable_mcfg,
+         .ident = "Intel D3C5105 SDV",
+         .matches = {
+                     DMI_MATCH(DMI_BIOS_VENDOR, "Intel"),
+                     DMI_MATCH(DMI_BOARD_NAME, "D26928"),
+                     },
+         },
+         {}
+};
+
 void __init pci_mmcfg_init(void)
 {
-	if ((pci_probe & PCI_PROBE_MMCONF) == 0)
+	dmi_check_system(dmi_bad_mcfg);
+
+	if ((pci_probe & (PCI_PROBE_MMCONF_FORCE|PCI_PROBE_MMCONF)) == 0)
 		return;
 
 	acpi_table_parse(ACPI_MCFG, acpi_parse_mcfg);
@@ -198,15 +221,6 @@ void __init pci_mmcfg_init(void)
 	    (pci_mmcfg_config[0].base_address == 0))
 		return;
 
-	if (!e820_all_mapped(pci_mmcfg_config[0].base_address,
-			pci_mmcfg_config[0].base_address + MMCONFIG_APER_MIN,
-			E820_RESERVED)) {
-		printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %x is not E820-reserved\n",
-				pci_mmcfg_config[0].base_address);
-		printk(KERN_ERR "PCI: Not using MMCONFIG.\n");
-		return;
-	}
-
 	printk(KERN_INFO "PCI: Using MMCONFIG\n");
 	raw_pci_ops = &pci_mmcfg;
 	pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
diff --git a/arch/i386/pci/pci.h b/arch/i386/pci/pci.h
index bf4e79335388..49a849b3a241 100644
--- a/arch/i386/pci/pci.h
+++ b/arch/i386/pci/pci.h
@@ -16,7 +16,8 @@
 #define PCI_PROBE_CONF1		0x0002
 #define PCI_PROBE_CONF2		0x0004
 #define PCI_PROBE_MMCONF	0x0008
-#define PCI_PROBE_MASK		0x000f
+#define PCI_PROBE_MMCONF_FORCE	0x0010
+#define PCI_PROBE_MASK		0x00ff
 
 #define PCI_NO_SORT		0x0100
 #define PCI_BIOS_SORT		0x0200
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 47de9ee6bcd6..674de8943478 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -258,7 +258,7 @@ config NR_CPUS
 	int "Maximum number of CPUs (2-1024)"
 	range 2 1024
 	depends on SMP
-	default "64"
+	default "1024"
 	help
 	  You should set this to the number of CPUs in your system, but
 	  keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but
@@ -354,7 +354,7 @@ config NUMA
 config NODES_SHIFT
 	int "Max num nodes shift(3-10)"
 	range 3 10
-	default "8"
+	default "10"
 	depends on NEED_MULTIPLE_NODES
 	help
 	  This option specifies the maximum number of nodes in your SSI system.
diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c
index 8a4f0d0d17a3..8f0a16a79a67 100644
--- a/arch/ia64/hp/sim/simscsi.c
+++ b/arch/ia64/hp/sim/simscsi.c
@@ -244,7 +244,8 @@ static void simscsi_fillresult(struct scsi_cmnd *sc, char *buf, unsigned len)
 
 	if (scatterlen == 0)
 		memcpy(sc->request_buffer, buf, len);
-	else for (slp = (struct scatterlist *)sc->request_buffer; scatterlen-- > 0 && len > 0; slp++) {
+	else for (slp = (struct scatterlist *)sc->request_buffer;
+		  scatterlen-- > 0 && len > 0; slp++) {
 		unsigned thislen = min(len, slp->length);
 
 		memcpy(page_address(slp->page) + slp->offset, buf, thislen);
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 99761b81db44..0176556aeecc 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -55,7 +55,7 @@
 
 #define BAD_MADT_ENTRY(entry, end) (                                        \
 		(!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
-		((acpi_table_entry_header *)entry)->length != sizeof(*entry))
+		((acpi_table_entry_header *)entry)->length < sizeof(*entry))
 
 #define PREFIX			"ACPI: "
 
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index d24fa393b182..f648c610b10c 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -67,10 +67,8 @@ static int __init topology_init(void)
 #endif
 
 	sysfs_cpus = kzalloc(sizeof(struct ia64_cpu) * NR_CPUS, GFP_KERNEL);
-	if (!sysfs_cpus) {
-		err = -ENOMEM;
-		goto out;
-	}
+	if (!sysfs_cpus)
+		panic("kzalloc in topology_init failed - NR_CPUS too big?");
 
 	for_each_present_cpu(i) {
 		if((err = arch_register_cpu(i)))
diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c
index 5a0420464c6c..fffa9e0826bc 100644
--- a/arch/ia64/kernel/traps.c
+++ b/arch/ia64/kernel/traps.c
@@ -118,7 +118,7 @@ die (const char *str, struct pt_regs *regs, long err)
 	spin_unlock_irq(&die.lock);
 
 	if (panic_on_oops)
-		panic("Fatal exception: panic_on_oops");
+		panic("Fatal exception");
 
   	do_exit(SIGSEGV);
 }
diff --git a/arch/ia64/sn/kernel/xpc_channel.c b/arch/ia64/sn/kernel/xpc_channel.c
index c2f69f7942af..1f3540826e68 100644
--- a/arch/ia64/sn/kernel/xpc_channel.c
+++ b/arch/ia64/sn/kernel/xpc_channel.c
@@ -279,8 +279,8 @@ xpc_pull_remote_cachelines(struct xpc_partition *part, void *dst,
 		return part->reason;
 	}
 
-	bte_ret = xp_bte_copy((u64) src, (u64) ia64_tpa((u64) dst),
-				(u64) cnt, (BTE_NORMAL | BTE_WACQUIRE), NULL);
+	bte_ret = xp_bte_copy((u64) src, (u64) dst, (u64) cnt,
+					(BTE_NORMAL | BTE_WACQUIRE), NULL);
 	if (bte_ret == BTE_SUCCESS) {
 		return xpcSuccess;
 	}
diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c
index 5e8e59efb347..4d026f9dd98b 100644
--- a/arch/ia64/sn/kernel/xpc_main.c
+++ b/arch/ia64/sn/kernel/xpc_main.c
@@ -1052,6 +1052,8 @@ xpc_do_exit(enum xpc_retval reason)
 	if (xpc_sysctl) {
 		unregister_sysctl_table(xpc_sysctl);
 	}
+
+	kfree(xpc_remote_copy_buffer_base);
 }
 
 
@@ -1212,24 +1214,20 @@ xpc_init(void)
 	partid_t partid;
 	struct xpc_partition *part;
 	pid_t pid;
+	size_t buf_size;
 
 
 	if (!ia64_platform_is("sn2")) {
 		return -ENODEV;
 	}
 
-	/*
-	 * xpc_remote_copy_buffer is used as a temporary buffer for bte_copy'ng
-	 * various portions of a partition's reserved page. Its size is based
-	 * on the size of the reserved page header and part_nasids mask. So we
-	 * need to ensure that the other items will fit as well.
-	 */
-	if (XPC_RP_VARS_SIZE > XPC_RP_HEADER_SIZE + XP_NASID_MASK_BYTES) {
-		dev_err(xpc_part, "xpc_remote_copy_buffer is not big enough\n");
-		return -EPERM;
-	}
-	DBUG_ON((u64) xpc_remote_copy_buffer !=
-				L1_CACHE_ALIGN((u64) xpc_remote_copy_buffer));
+
+	buf_size = max(XPC_RP_VARS_SIZE,
+				XPC_RP_HEADER_SIZE + XP_NASID_MASK_BYTES);
+	xpc_remote_copy_buffer = xpc_kmalloc_cacheline_aligned(buf_size,
+				     GFP_KERNEL, &xpc_remote_copy_buffer_base);
+	if (xpc_remote_copy_buffer == NULL)
+		return -ENOMEM;
 
 	snprintf(xpc_part->bus_id, BUS_ID_SIZE, "part");
 	snprintf(xpc_chan->bus_id, BUS_ID_SIZE, "chan");
@@ -1293,6 +1291,8 @@ xpc_init(void)
 		if (xpc_sysctl) {
 			unregister_sysctl_table(xpc_sysctl);
 		}
+
+		kfree(xpc_remote_copy_buffer_base);
 		return -EBUSY;
 	}
 
@@ -1311,6 +1311,8 @@ xpc_init(void)
 		if (xpc_sysctl) {
 			unregister_sysctl_table(xpc_sysctl);
 		}
+
+		kfree(xpc_remote_copy_buffer_base);
 		return -EBUSY;
 	}
 
@@ -1362,6 +1364,8 @@ xpc_init(void)
 		if (xpc_sysctl) {
 			unregister_sysctl_table(xpc_sysctl);
 		}
+
+		kfree(xpc_remote_copy_buffer_base);
 		return -EBUSY;
 	}
 
diff --git a/arch/ia64/sn/kernel/xpc_partition.c b/arch/ia64/sn/kernel/xpc_partition.c
index 2a89cfce4954..57c723f5cba4 100644
--- a/arch/ia64/sn/kernel/xpc_partition.c
+++ b/arch/ia64/sn/kernel/xpc_partition.c
@@ -71,19 +71,15 @@ struct xpc_partition xpc_partitions[XP_MAX_PARTITIONS + 1];
  * Generic buffer used to store a local copy of portions of a remote
  * partition's reserved page (either its header and part_nasids mask,
  * or its vars).
- *
- * xpc_discovery runs only once and is a seperate thread that is
- * very likely going to be processing in parallel with receiving
- * interrupts.
  */
-char ____cacheline_aligned xpc_remote_copy_buffer[XPC_RP_HEADER_SIZE +
-							XP_NASID_MASK_BYTES];
+char *xpc_remote_copy_buffer;
+void *xpc_remote_copy_buffer_base;
 
 
 /*
  * Guarantee that the kmalloc'd memory is cacheline aligned.
  */
-static void *
+void *
 xpc_kmalloc_cacheline_aligned(size_t size, gfp_t flags, void **base)
 {
 	/* see if kmalloc will give us cachline aligned memory by default */
@@ -148,7 +144,7 @@ xpc_get_rsvd_page_pa(int nasid)
 			}
 		}
 
-		bte_res = xp_bte_copy(rp_pa, ia64_tpa(buf), buf_len,
+		bte_res = xp_bte_copy(rp_pa, buf, buf_len,
 					(BTE_NOTIFY | BTE_WACQUIRE), NULL);
 		if (bte_res != BTE_SUCCESS) {
 			dev_dbg(xpc_part, "xp_bte_copy failed %i\n", bte_res);
@@ -447,7 +443,7 @@ xpc_check_remote_hb(void)
 
 		/* pull the remote_hb cache line */
 		bres = xp_bte_copy(part->remote_vars_pa,
-					ia64_tpa((u64) remote_vars),
+					(u64) remote_vars,
 					XPC_RP_VARS_SIZE,
 					(BTE_NOTIFY | BTE_WACQUIRE), NULL);
 		if (bres != BTE_SUCCESS) {
@@ -498,8 +494,7 @@ xpc_get_remote_rp(int nasid, u64 *discovered_nasids,
 
 
 	/* pull over the reserved page header and part_nasids mask */
-
-	bres = xp_bte_copy(*remote_rp_pa, ia64_tpa((u64) remote_rp),
+	bres = xp_bte_copy(*remote_rp_pa, (u64) remote_rp,
 				XPC_RP_HEADER_SIZE + xp_nasid_mask_bytes,
 				(BTE_NOTIFY | BTE_WACQUIRE), NULL);
 	if (bres != BTE_SUCCESS) {
@@ -554,11 +549,8 @@ xpc_get_remote_vars(u64 remote_vars_pa, struct xpc_vars *remote_vars)
 		return xpcVarsNotSet;
 	}
 
-
 	/* pull over the cross partition variables */
-
-	bres = xp_bte_copy(remote_vars_pa, ia64_tpa((u64) remote_vars),
-				XPC_RP_VARS_SIZE,
+	bres = xp_bte_copy(remote_vars_pa, (u64) remote_vars, XPC_RP_VARS_SIZE,
 				(BTE_NOTIFY | BTE_WACQUIRE), NULL);
 	if (bres != BTE_SUCCESS) {
 		return xpc_map_bte_errors(bres);
@@ -1239,7 +1231,7 @@ xpc_initiate_partid_to_nasids(partid_t partid, void *nasid_mask)
 
 	part_nasid_pa = (u64) XPC_RP_PART_NASIDS(part->remote_rp_pa);
 
-	bte_res = xp_bte_copy(part_nasid_pa, ia64_tpa((u64) nasid_mask),
+	bte_res = xp_bte_copy(part_nasid_pa, (u64) nasid_mask,
 			xp_nasid_mask_bytes, (BTE_NOTIFY | BTE_WACQUIRE), NULL);
 
 	return xpc_map_bte_errors(bte_res);
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 78414afb0c56..904798fd4e74 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -354,6 +354,7 @@ endchoice
 config PPC_PSERIES
 	depends on PPC_MULTIPLATFORM && PPC64
 	bool "IBM pSeries & new (POWER5-based) iSeries"
+	select MPIC
 	select PPC_I8259
 	select PPC_RTAS
 	select RTAS_ERROR_LOGGING
@@ -363,6 +364,7 @@ config PPC_PSERIES
 config PPC_CHRP
 	bool "Common Hardware Reference Platform (CHRP) based machines"
 	depends on PPC_MULTIPLATFORM && PPC32
+	select MPIC
 	select PPC_I8259
 	select PPC_INDIRECT_PCI
 	select PPC_RTAS
@@ -373,6 +375,7 @@ config PPC_CHRP
 config PPC_PMAC
 	bool "Apple PowerMac based machines"
 	depends on PPC_MULTIPLATFORM
+	select MPIC
 	select PPC_INDIRECT_PCI if PPC32
 	select PPC_MPC106 if PPC32
 	default y
@@ -380,6 +383,7 @@ config PPC_PMAC
 config PPC_PMAC64
 	bool
 	depends on PPC_PMAC && POWER4
+	select MPIC
 	select U3_DART
 	select MPIC_BROKEN_U3
 	select GENERIC_TBSYNC
@@ -389,6 +393,7 @@ config PPC_PMAC64
 config PPC_PREP
 	bool "PowerPC Reference Platform (PReP) based machines"
 	depends on PPC_MULTIPLATFORM && PPC32 && BROKEN
+	select MPIC
 	select PPC_I8259
 	select PPC_INDIRECT_PCI
 	select PPC_UDBG_16550
@@ -397,6 +402,7 @@ config PPC_PREP
 config PPC_MAPLE
 	depends on PPC_MULTIPLATFORM && PPC64
 	bool "Maple 970FX Evaluation Board"
+	select MPIC
 	select U3_DART
 	select MPIC_BROKEN_U3
 	select GENERIC_TBSYNC
@@ -440,12 +446,6 @@ config U3_DART
 	depends on PPC_MULTIPLATFORM && PPC64
 	default n
 
-config MPIC
-	depends on PPC_PSERIES || PPC_PMAC || PPC_MAPLE || PPC_CHRP \
-			       || MPC7448HPC2
-	bool
-	default y
-
 config PPC_RTAS
 	bool
 	default n
@@ -813,6 +813,14 @@ config GENERIC_ISA_DMA
 	depends on PPC64 || POWER4 || 6xx && !CPM2
 	default y
 
+config MPIC
+	bool
+	default n
+
+config MPIC_WEIRD
+	bool
+	default n
+
 config PPC_I8259
 	bool
 	default n
diff --git a/arch/powerpc/boot/dts/mpc7448hpc2.dts b/arch/powerpc/boot/dts/mpc7448hpc2.dts
new file mode 100644
index 000000000000..d7b985e6bd2f
--- /dev/null
+++ b/arch/powerpc/boot/dts/mpc7448hpc2.dts
@@ -0,0 +1,190 @@
+/*
+ * MPC7448HPC2 (Taiga) board Device Tree Source
+ *
+ * Copyright 2006 Freescale Semiconductor Inc.
+ * 2006 Roy Zang <Roy Zang at freescale.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.
+ */
+
+
+/ {
+	model = "mpc7448hpc2";
+	compatible = "mpc74xx";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	linux,phandle = <100>;
+
+	cpus {
+		#cpus = <1>;
+		#address-cells = <1>;
+		#size-cells =<0>;
+		linux,phandle = <200>;
+				
+		PowerPC,7448@0 {
+			device_type = "cpu";
+			reg = <0>;
+			d-cache-line-size = <20>;	// 32 bytes
+			i-cache-line-size = <20>;	// 32 bytes
+			d-cache-size = <8000>;		// L1, 32K bytes
+			i-cache-size = <8000>;		// L1, 32K bytes
+			timebase-frequency = <0>;	// 33 MHz, from uboot
+			clock-frequency = <0>;		// From U-Boot
+			bus-frequency = <0>;		// From U-Boot
+			32-bit;
+			linux,phandle = <201>;
+			linux,boot-cpu;
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		linux,phandle = <300>;
+		reg = <00000000 20000000	// DDR2   512M at 0
+		       >;
+	};
+
+  	tsi108@c0000000 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		#interrupt-cells = <2>;
+		device_type = "tsi-bridge";
+		ranges = <00000000 c0000000 00010000>;
+		reg = <c0000000 00010000>;
+		bus-frequency = <0>;
+
+		i2c@7000 {
+			interrupt-parent = <7400>;
+			interrupts = <E 0>;
+			reg = <7000 400>;
+			device_type = "i2c";
+			compatible  = "tsi-i2c";
+		};
+
+		mdio@6000 {
+			device_type = "mdio";
+			compatible = "tsi-ethernet";
+
+			ethernet-phy@6000 {
+				linux,phandle = <6000>;
+				interrupt-parent = <7400>;
+				interrupts = <2 1>;
+				reg = <6000 50>;
+				phy-id = <8>;
+				device_type = "ethernet-phy";
+			};
+
+			ethernet-phy@6400 {
+				linux,phandle = <6400>;
+				interrupt-parent = <7400>;
+				interrupts = <2 1>;
+				reg = <6000 50>;
+				phy-id = <9>;
+				device_type = "ethernet-phy";
+			};
+
+		};
+
+		ethernet@6200 {
+			#size-cells = <0>;
+			device_type = "network";
+			model = "TSI-ETH";
+			compatible = "tsi-ethernet";
+			reg = <6000 200>;
+			address = [ 00 06 D2 00 00 01 ];
+			interrupts = <10 2>;
+			interrupt-parent = <7400>;
+			phy-handle = <6000>;
+		};
+
+		ethernet@6600 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			device_type = "network";
+			model = "TSI-ETH";
+			compatible = "tsi-ethernet";
+			reg = <6400 200>;
+			address = [ 00 06 D2 00 00 02 ];
+			interrupts = <11 2>;
+			interrupt-parent = <7400>;
+			phy-handle = <6400>;
+		};
+
+		serial@7808 {
+			device_type = "serial";
+			compatible = "ns16550";
+			reg = <7808 200>;
+			clock-frequency = <3f6b5a00>;
+			interrupts = <c 0>;
+			interrupt-parent = <7400>;
+		};
+
+		serial@7c08 {
+			device_type = "serial";
+			compatible = "ns16550";
+			reg = <7c08 200>;
+			clock-frequency = <3f6b5a00>;
+			interrupts = <d 0>;
+			interrupt-parent = <7400>;
+		};
+
+	  	pic@7400 {
+			linux,phandle = <7400>;
+			clock-frequency = <0>;
+			interrupt-controller;
+			#address-cells = <0>;
+			#interrupt-cells = <2>;
+			reg = <7400 400>;
+			built-in;
+			compatible = "chrp,open-pic";
+			device_type = "open-pic";
+                       	big-endian;
+		};
+		pci@1000 {
+			compatible = "tsi10x";
+			device_type = "pci";
+			linux,phandle = <1000>;
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			reg = <1000 1000>;
+			bus-range = <0 0>;
+			ranges = <02000000 0 e0000000 e0000000 0 1A000000	
+				  01000000 0 00000000 fa000000 0 00010000>;
+			clock-frequency = <7f28154>;
+			interrupt-parent = <7400>;
+			interrupts = <17 2>;
+			interrupt-map-mask = <f800 0 0 7>;
+			interrupt-map = <
+
+				/* IDSEL 0x11 */
+				0800 0 0 1 7400 24 0
+				0800 0 0 2 7400 25 0
+				0800 0 0 3 7400 26 0
+				0800 0 0 4 7400 27 0
+
+				/* IDSEL 0x12 */
+				1000 0 0 1 7400 25 0
+				1000 0 0 2 7400 26 0
+				1000 0 0 3 7400 27 0
+				1000 0 0 4 7400 24 0
+
+				/* IDSEL 0x13 */
+				1800 0 0 1 7400 26 0
+				1800 0 0 2 7400 27 0
+				1800 0 0 3 7400 24 0
+				1800 0 0 4 7400 25 0
+
+				/* IDSEL 0x14 */
+				2000 0 0 1 7400 27 0
+				2000 0 0 2 7400 24 0
+				2000 0 0 3 7400 25 0
+				2000 0 0 4 7400 26 0
+				>;
+		};
+	};
+
+};
diff --git a/arch/powerpc/boot/dts/mpc8349emds.dts b/arch/powerpc/boot/dts/mpc8349emds.dts
new file mode 100644
index 000000000000..12f5dbf3055f
--- /dev/null
+++ b/arch/powerpc/boot/dts/mpc8349emds.dts
@@ -0,0 +1,328 @@
+/*
+ * MPC8349E MDS Device Tree Source
+ *
+ * Copyright 2005, 2006 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.
+ */
+
+/ {
+	model = "MPC8349EMDS";
+	compatible = "MPC834xMDS";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	cpus {
+		#cpus = <1>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		PowerPC,8349@0 {
+			device_type = "cpu";
+			reg = <0>;
+			d-cache-line-size = <20>;	// 32 bytes
+			i-cache-line-size = <20>;	// 32 bytes
+			d-cache-size = <8000>;		// L1, 32K
+			i-cache-size = <8000>;		// L1, 32K
+			timebase-frequency = <0>;	// from bootloader
+			bus-frequency = <0>;		// from bootloader
+			clock-frequency = <0>;		// from bootloader
+			32-bit;
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <00000000 10000000>;	// 256MB at 0
+	};
+
+	soc8349@e0000000 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		#interrupt-cells = <2>;
+		device_type = "soc";
+		ranges = <0 e0000000 00100000>;
+		reg = <e0000000 00000200>;
+		bus-frequency = <0>;
+
+		wdt@200 {
+			device_type = "watchdog";
+			compatible = "mpc83xx_wdt";
+			reg = <200 100>;
+		};
+
+		i2c@3000 {
+			device_type = "i2c";
+			compatible = "fsl-i2c";
+			reg = <3000 100>;
+			interrupts = <e 8>;
+			interrupt-parent = <700>;
+			dfsrr;
+		};
+
+		i2c@3100 {
+			device_type = "i2c";
+			compatible = "fsl-i2c";
+			reg = <3100 100>;
+			interrupts = <f 8>;
+			interrupt-parent = <700>;
+			dfsrr;
+		};
+
+		spi@7000 {
+			device_type = "spi";
+			compatible = "mpc83xx_spi";
+			reg = <7000 1000>;
+			interrupts = <10 8>;
+			interrupt-parent = <700>;
+			mode = <0>;
+		};
+
+		/* phy type (ULPI or SERIAL) are only types supportted for MPH */
+		/* port = 0 or 1 */
+		usb@22000 {
+			device_type = "usb";
+			compatible = "fsl-usb2-mph";
+			reg = <22000 1000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			interrupt-parent = <700>;
+			interrupts = <27 2>;
+			phy_type = "ulpi";
+			port1;
+		};
+		/* phy type (ULPI, UTMI, UTMI_WIDE, SERIAL) */
+		usb@23000 {
+			device_type = "usb";
+			compatible = "fsl-usb2-dr";
+			reg = <23000 1000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			interrupt-parent = <700>;
+			interrupts = <26 2>;
+			phy_type = "ulpi";
+		};
+
+		mdio@24520 {
+			device_type = "mdio";
+			compatible = "gianfar";
+			reg = <24520 20>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			linux,phandle = <24520>;
+			ethernet-phy@0 {
+				linux,phandle = <2452000>;
+				interrupt-parent = <700>;
+				interrupts = <11 2>;
+				reg = <0>;
+				device_type = "ethernet-phy";
+			};
+			ethernet-phy@1 {
+				linux,phandle = <2452001>;
+				interrupt-parent = <700>;
+				interrupts = <12 2>;
+				reg = <1>;
+				device_type = "ethernet-phy";
+			};
+		};
+
+		ethernet@24000 {
+			device_type = "network";
+			model = "TSEC";
+			compatible = "gianfar";
+			reg = <24000 1000>;
+			address = [ 00 00 00 00 00 00 ];
+			local-mac-address = [ 00 00 00 00 00 00 ];
+			interrupts = <20 8 21 8 22 8>;
+			interrupt-parent = <700>;
+			phy-handle = <2452000>;
+		};
+
+		ethernet@25000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			device_type = "network";
+			model = "TSEC";
+			compatible = "gianfar";
+			reg = <25000 1000>;
+			address = [ 00 00 00 00 00 00 ];
+			local-mac-address = [ 00 00 00 00 00 00 ];
+			interrupts = <23 8 24 8 25 8>;
+			interrupt-parent = <700>;
+			phy-handle = <2452001>;
+		};
+
+		serial@4500 {
+			device_type = "serial";
+			compatible = "ns16550";
+			reg = <4500 100>;
+			clock-frequency = <0>;
+			interrupts = <9 8>;
+			interrupt-parent = <700>;
+		};
+
+		serial@4600 {
+			device_type = "serial";
+			compatible = "ns16550";
+			reg = <4600 100>;
+			clock-frequency = <0>;
+			interrupts = <a 8>;
+			interrupt-parent = <700>;
+		};
+
+		pci@8500 {
+			interrupt-map-mask = <f800 0 0 7>;
+			interrupt-map = <
+
+					/* IDSEL 0x11 */
+					 8800 0 0 1 700 14 8
+					 8800 0 0 2 700 15 8
+					 8800 0 0 3 700 16 8
+					 8800 0 0 4 700 17 8
+
+					/* IDSEL 0x12 */
+					 9000 0 0 1 700 16 8
+					 9000 0 0 2 700 17 8
+					 9000 0 0 3 700 14 8
+					 9000 0 0 4 700 15 8
+
+					/* IDSEL 0x13 */
+					 9800 0 0 1 700 17 8
+					 9800 0 0 2 700 14 8
+					 9800 0 0 3 700 15 8
+					 9800 0 0 4 700 16 8
+
+					/* IDSEL 0x15 */
+					 a800 0 0 1 700 14 8
+					 a800 0 0 2 700 15 8
+					 a800 0 0 3 700 16 8
+					 a800 0 0 4 700 17 8
+
+					/* IDSEL 0x16 */
+					 b000 0 0 1 700 17 8
+					 b000 0 0 2 700 14 8
+					 b000 0 0 3 700 15 8
+					 b000 0 0 4 700 16 8
+
+					/* IDSEL 0x17 */
+					 b800 0 0 1 700 16 8
+					 b800 0 0 2 700 17 8
+					 b800 0 0 3 700 14 8
+					 b800 0 0 4 700 15 8
+
+					/* IDSEL 0x18 */
+					 b000 0 0 1 700 15 8
+					 b000 0 0 2 700 16 8
+					 b000 0 0 3 700 17 8
+					 b000 0 0 4 700 14 8>;
+			interrupt-parent = <700>;
+			interrupts = <42 8>;
+			bus-range = <0 0>;
+			ranges = <02000000 0 a0000000 a0000000 0 10000000
+				  42000000 0 80000000 80000000 0 10000000
+				  01000000 0 00000000 e2000000 0 00100000>;
+			clock-frequency = <3f940aa>;
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			reg = <8500 100>;
+			compatible = "83xx";
+			device_type = "pci";
+		};
+
+		pci@8600 {
+			interrupt-map-mask = <f800 0 0 7>;
+			interrupt-map = <
+
+					/* IDSEL 0x11 */
+					 8800 0 0 1 700 14 8
+					 8800 0 0 2 700 15 8
+					 8800 0 0 3 700 16 8
+					 8800 0 0 4 700 17 8
+
+					/* IDSEL 0x12 */
+					 9000 0 0 1 700 16 8
+					 9000 0 0 2 700 17 8
+					 9000 0 0 3 700 14 8
+					 9000 0 0 4 700 15 8
+
+					/* IDSEL 0x13 */
+					 9800 0 0 1 700 17 8
+					 9800 0 0 2 700 14 8
+					 9800 0 0 3 700 15 8
+					 9800 0 0 4 700 16 8
+
+					/* IDSEL 0x15 */
+					 a800 0 0 1 700 14 8
+					 a800 0 0 2 700 15 8
+					 a800 0 0 3 700 16 8
+					 a800 0 0 4 700 17 8
+
+					/* IDSEL 0x16 */
+					 b000 0 0 1 700 17 8
+					 b000 0 0 2 700 14 8
+					 b000 0 0 3 700 15 8
+					 b000 0 0 4 700 16 8
+
+					/* IDSEL 0x17 */
+					 b800 0 0 1 700 16 8
+					 b800 0 0 2 700 17 8
+					 b800 0 0 3 700 14 8
+					 b800 0 0 4 700 15 8
+
+					/* IDSEL 0x18 */
+					 b000 0 0 1 700 15 8
+					 b000 0 0 2 700 16 8
+					 b000 0 0 3 700 17 8
+					 b000 0 0 4 700 14 8>;
+			interrupt-parent = <700>;
+			interrupts = <42 8>;
+			bus-range = <0 0>;
+			ranges = <02000000 0 b0000000 b0000000 0 10000000
+				  42000000 0 90000000 90000000 0 10000000
+				  01000000 0 00000000 e2100000 0 00100000>;
+			clock-frequency = <3f940aa>;
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			reg = <8600 100>;
+			compatible = "83xx";
+			device_type = "pci";
+		};
+
+		/* May need to remove if on a part without crypto engine */
+		crypto@30000 {
+			device_type = "crypto";
+			model = "SEC2";
+			compatible = "talitos";
+			reg = <30000 10000>;
+			interrupts = <b 8>;
+			interrupt-parent = <700>;
+			num-channels = <4>;
+			channel-fifo-len = <18>;
+			exec-units-mask = <0000007e>;
+			/* desc mask is for rev2.0,
+			 * we need runtime fixup for >2.0 */
+			descriptor-types-mask = <01010ebf>;
+		};
+
+		/* IPIC
+		 * interrupts cell = <intr #, sense>
+		 * sense values match linux IORESOURCE_IRQ_* defines:
+		 * sense == 8: Level, low assertion
+		 * sense == 2: Edge, high-to-low change
+		 */
+		pic@700 {
+			linux,phandle = <700>;
+			interrupt-controller;
+			#address-cells = <0>;
+			#interrupt-cells = <2>;
+			reg = <700 100>;
+			built-in;
+			device_type = "ipic";
+		};
+	};
+};
diff --git a/arch/powerpc/configs/mpc834x_sys_defconfig b/arch/powerpc/configs/mpc834x_mds_defconfig
index 5078b0441d61..5078b0441d61 100644
--- a/arch/powerpc/configs/mpc834x_sys_defconfig
+++ b/arch/powerpc/configs/mpc834x_mds_defconfig
diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S
index 7e2c9fe44ac1..821e152e093c 100644
--- a/arch/powerpc/kernel/fpu.S
+++ b/arch/powerpc/kernel/fpu.S
@@ -2,6 +2,11 @@
  *  FPU support code, moved here from head.S so that it can be used
  *  by chips which use other head-whatever.S files.
  *
+ *    Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
+ *    Copyright (C) 1996 Cort Dougan <cort@cs.nmt.edu>
+ *    Copyright (C) 1996 Paul Mackerras.
+ *    Copyright (C) 1997 Dan Malek (dmalek@jlc.net).
+ *
  *  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
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index fd4ddb858dbd..b4432332341f 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -323,7 +323,8 @@ EXPORT_SYMBOL(do_softirq);
 
 static LIST_HEAD(irq_hosts);
 static spinlock_t irq_big_lock = SPIN_LOCK_UNLOCKED;
-
+static DEFINE_PER_CPU(unsigned int, irq_radix_reader);
+static unsigned int irq_radix_writer;
 struct irq_map_entry irq_map[NR_IRQS];
 static unsigned int irq_virq_count = NR_IRQS;
 static struct irq_host *irq_default_host;
@@ -456,6 +457,58 @@ void irq_set_virq_count(unsigned int count)
 		irq_virq_count = count;
 }
 
+/* radix tree not lockless safe ! we use a brlock-type mecanism
+ * for now, until we can use a lockless radix tree
+ */
+static void irq_radix_wrlock(unsigned long *flags)
+{
+	unsigned int cpu, ok;
+
+	spin_lock_irqsave(&irq_big_lock, *flags);
+	irq_radix_writer = 1;
+	smp_mb();
+	do {
+		barrier();
+		ok = 1;
+		for_each_possible_cpu(cpu) {
+			if (per_cpu(irq_radix_reader, cpu)) {
+				ok = 0;
+				break;
+			}
+		}
+		if (!ok)
+			cpu_relax();
+	} while(!ok);
+}
+
+static void irq_radix_wrunlock(unsigned long flags)
+{
+	smp_wmb();
+	irq_radix_writer = 0;
+	spin_unlock_irqrestore(&irq_big_lock, flags);
+}
+
+static void irq_radix_rdlock(unsigned long *flags)
+{
+	local_irq_save(*flags);
+	__get_cpu_var(irq_radix_reader) = 1;
+	smp_mb();
+	if (likely(irq_radix_writer == 0))
+		return;
+	__get_cpu_var(irq_radix_reader) = 0;
+	smp_wmb();
+	spin_lock(&irq_big_lock);
+	__get_cpu_var(irq_radix_reader) = 1;
+	spin_unlock(&irq_big_lock);
+}
+
+static void irq_radix_rdunlock(unsigned long flags)
+{
+	__get_cpu_var(irq_radix_reader) = 0;
+	local_irq_restore(flags);
+}
+
+
 unsigned int irq_create_mapping(struct irq_host *host,
 				irq_hw_number_t hwirq)
 {
@@ -605,13 +658,9 @@ void irq_dispose_mapping(unsigned int virq)
 		/* Check if radix tree allocated yet */
 		if (host->revmap_data.tree.gfp_mask == 0)
 			break;
-		/* XXX radix tree not safe ! remove lock whem it becomes safe
-		 * and use some RCU sync to make sure everything is ok before we
-		 * can re-use that map entry
-		 */
-		spin_lock_irqsave(&irq_big_lock, flags);
+		irq_radix_wrlock(&flags);
 		radix_tree_delete(&host->revmap_data.tree, hwirq);
-		spin_unlock_irqrestore(&irq_big_lock, flags);
+		irq_radix_wrunlock(flags);
 		break;
 	}
 
@@ -678,25 +727,24 @@ unsigned int irq_radix_revmap(struct irq_host *host,
 	if (tree->gfp_mask == 0)
 		return irq_find_mapping(host, hwirq);
 
-	/* XXX Current radix trees are NOT SMP safe !!! Remove that lock
-	 * when that is fixed (when Nick's patch gets in
-	 */
-	spin_lock_irqsave(&irq_big_lock, flags);
-
 	/* Now try to resolve */
+	irq_radix_rdlock(&flags);
 	ptr = radix_tree_lookup(tree, hwirq);
+	irq_radix_rdunlock(flags);
+
 	/* Found it, return */
 	if (ptr) {
 		virq = ptr - irq_map;
-		goto bail;
+		return virq;
 	}
 
 	/* If not there, try to insert it */
 	virq = irq_find_mapping(host, hwirq);
-	if (virq != NO_IRQ)
+	if (virq != NO_IRQ) {
+		irq_radix_wrlock(&flags);
 		radix_tree_insert(tree, hwirq, &irq_map[virq]);
- bail:
-	spin_unlock_irqrestore(&irq_big_lock, flags);
+		irq_radix_wrunlock(flags);
+	}
 	return virq;
 }
 
@@ -807,12 +855,12 @@ static int irq_late_init(void)
 	struct irq_host *h;
 	unsigned long flags;
 
-	spin_lock_irqsave(&irq_big_lock, flags);
+	irq_radix_wrlock(&flags);
 	list_for_each_entry(h, &irq_hosts, link) {
 		if (h->revmap_type == IRQ_HOST_MAP_TREE)
 			INIT_RADIX_TREE(&h->revmap_data.tree, GFP_ATOMIC);
 	}
-	spin_unlock_irqrestore(&irq_big_lock, flags);
+	irq_radix_wrunlock(flags);
 
 	return 0;
 }
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index d51be7c7a2ef..c1b1e14775e4 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -1254,6 +1254,9 @@ int pci_read_irq_line(struct pci_dev *pci_dev)
 
 	DBG("Try to map irq for %s...\n", pci_name(pci_dev));
 
+#ifdef DEBUG
+	memset(&oirq, 0xff, sizeof(oirq));
+#endif
 	/* Try to get a mapping from the device-tree */
 	if (of_irq_map_pci(pci_dev, &oirq)) {
 		u8 line, pin;
@@ -1279,8 +1282,9 @@ int pci_read_irq_line(struct pci_dev *pci_dev)
 		if (virq != NO_IRQ)
 			set_irq_type(virq, IRQ_TYPE_LEVEL_LOW);
 	} else {
-		DBG(" -> got one, spec %d cells (0x%08x...) on %s\n",
-		    oirq.size, oirq.specifier[0], oirq.controller->full_name);
+		DBG(" -> got one, spec %d cells (0x%08x 0x%08x...) on %s\n",
+		    oirq.size, oirq.specifier[0], oirq.specifier[1],
+		    oirq.controller->full_name);
 
 		virq = irq_create_of_mapping(oirq.controller, oirq.specifier,
 					     oirq.size);
@@ -1289,6 +1293,9 @@ int pci_read_irq_line(struct pci_dev *pci_dev)
 		DBG(" -> failed to map !\n");
 		return -1;
 	}
+
+	DBG(" -> mapped to linux irq %d\n", virq);
+
 	pci_dev->irq = virq;
 	pci_write_config_byte(pci_dev, PCI_INTERRUPT_LINE, virq);
 
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 90972ef6c471..b91761639d96 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -646,13 +646,13 @@ static unsigned char ibm_architecture_vec[] = {
 	5 - 1,				/* 5 option vectors */
 
 	/* option vector 1: processor architectures supported */
-	3 - 1,				/* length */
+	3 - 2,				/* length */
 	0,				/* don't ignore, don't halt */
 	OV1_PPC_2_00 | OV1_PPC_2_01 | OV1_PPC_2_02 | OV1_PPC_2_03 |
 	OV1_PPC_2_04 | OV1_PPC_2_05,
 
 	/* option vector 2: Open Firmware options supported */
-	34 - 1,				/* length */
+	34 - 2,				/* length */
 	OV2_REAL_MODE,
 	0, 0,
 	W(0xffffffff),			/* real_base */
@@ -666,16 +666,16 @@ static unsigned char ibm_architecture_vec[] = {
 	48,				/* max log_2(hash table size) */
 
 	/* option vector 3: processor options supported */
-	3 - 1,				/* length */
+	3 - 2,				/* length */
 	0,				/* don't ignore, don't halt */
 	OV3_FP | OV3_VMX,
 
 	/* option vector 4: IBM PAPR implementation */
-	2 - 1,				/* length */
+	2 - 2,				/* length */
 	0,				/* don't halt */
 
 	/* option vector 5: PAPR/OF options */
-	3 - 1,				/* length */
+	3 - 2,				/* length */
 	0,				/* don't ignore, don't halt */
 	OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES,
 };
diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index 603203276ef6..603dff3ad62a 100644
--- a/arch/powerpc/kernel/prom_parse.c
+++ b/arch/powerpc/kernel/prom_parse.c
@@ -642,7 +642,7 @@ void of_irq_map_init(unsigned int flags)
 
 }
 
-int of_irq_map_raw(struct device_node *parent, const u32 *intspec,
+int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize,
 		const u32 *addr, struct of_irq *out_irq)
 {
 	struct device_node *ipar, *tnode, *old = NULL, *newpar = NULL;
@@ -650,6 +650,9 @@ int of_irq_map_raw(struct device_node *parent, const u32 *intspec,
 	u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0;
 	int imaplen, match, i;
 
+	DBG("of_irq_map_raw: par=%s,intspec=[0x%08x 0x%08x...],ointsize=%d\n",
+	    parent->full_name, intspec[0], intspec[1], ointsize);
+
 	ipar = of_node_get(parent);
 
 	/* First get the #interrupt-cells property of the current cursor
@@ -673,6 +676,9 @@ int of_irq_map_raw(struct device_node *parent, const u32 *intspec,
 
 	DBG("of_irq_map_raw: ipar=%s, size=%d\n", ipar->full_name, intsize);
 
+	if (ointsize != intsize)
+		return -EINVAL;
+
 	/* Look for this #address-cells. We have to implement the old linux
 	 * trick of looking for the parent here as some device-trees rely on it
 	 */
@@ -879,12 +885,15 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq
 	}
 	intsize = *tmp;
 
+	DBG(" intsize=%d intlen=%d\n", intsize, intlen);
+
 	/* Check index */
 	if ((index + 1) * intsize > intlen)
 		return -EINVAL;
 
 	/* Get new specifier and map it */
-	res = of_irq_map_raw(p, intspec + index * intsize, addr, out_irq);
+	res = of_irq_map_raw(p, intspec + index * intsize, intsize,
+			     addr, out_irq);
 	of_node_put(p);
 	return res;
 }
@@ -969,7 +978,7 @@ int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq)
 	laddr[0] = (pdev->bus->number << 16)
 		| (pdev->devfn << 8);
 	laddr[1]  = laddr[2] = 0;
-	return of_irq_map_raw(ppnode, &lspec, laddr, out_irq);
+	return of_irq_map_raw(ppnode, &lspec, 1, laddr, out_irq);
 }
 EXPORT_SYMBOL_GPL(of_irq_map_pci);
 #endif /* CONFIG_PCI */
diff --git a/arch/powerpc/kernel/smp-tbsync.c b/arch/powerpc/kernel/smp-tbsync.c
index f19e2e0e61e7..de59c6c31a5b 100644
--- a/arch/powerpc/kernel/smp-tbsync.c
+++ b/arch/powerpc/kernel/smp-tbsync.c
@@ -45,8 +45,9 @@ void __devinit smp_generic_take_timebase(void)
 {
 	int cmd;
 	u64 tb;
+	unsigned long flags;
 
-	local_irq_disable();
+	local_irq_save(flags);
 	while (!running)
 		barrier();
 	rmb();
@@ -70,7 +71,7 @@ void __devinit smp_generic_take_timebase(void)
 			set_tb(tb >> 32, tb & 0xfffffffful);
 		enter_contest(tbsync->mark, -1);
 	}
-	local_irq_enable();
+	local_irq_restore(flags);
 }
 
 static int __devinit start_contest(int cmd, long offset, int num)
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 272cb826901d..b9a2061cfdb7 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -125,15 +125,8 @@ static long timezone_offset;
 unsigned long ppc_proc_freq;
 unsigned long ppc_tb_freq;
 
-u64 tb_last_jiffy __cacheline_aligned_in_smp;
-unsigned long tb_last_stamp;
-
-/*
- * Note that on ppc32 this only stores the bottom 32 bits of
- * the timebase value, but that's enough to tell when a jiffy
- * has passed.
- */
-DEFINE_PER_CPU(unsigned long, last_jiffy);
+static u64 tb_last_jiffy __cacheline_aligned_in_smp;
+static DEFINE_PER_CPU(u64, last_jiffy);
 
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING
 /*
@@ -458,7 +451,7 @@ void do_gettimeofday(struct timeval *tv)
 		do {
 			seq = read_seqbegin_irqsave(&xtime_lock, flags);
 			sec = xtime.tv_sec;
-			nsec = xtime.tv_nsec + tb_ticks_since(tb_last_stamp);
+			nsec = xtime.tv_nsec + tb_ticks_since(tb_last_jiffy);
 		} while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
 		usec = nsec / 1000;
 		while (usec >= 1000000) {
@@ -700,7 +693,6 @@ void timer_interrupt(struct pt_regs * regs)
 		tb_next_jiffy = tb_last_jiffy + tb_ticks_per_jiffy;
 		if (per_cpu(last_jiffy, cpu) >= tb_next_jiffy) {
 			tb_last_jiffy = tb_next_jiffy;
-			tb_last_stamp = per_cpu(last_jiffy, cpu);
 			do_timer(regs);
 			timer_recalc_offset(tb_last_jiffy);
 			timer_check_rtc();
@@ -749,7 +741,7 @@ void __init smp_space_timers(unsigned int max_cpus)
 	int i;
 	unsigned long half = tb_ticks_per_jiffy / 2;
 	unsigned long offset = tb_ticks_per_jiffy / max_cpus;
-	unsigned long previous_tb = per_cpu(last_jiffy, boot_cpuid);
+	u64 previous_tb = per_cpu(last_jiffy, boot_cpuid);
 
 	/* make sure tb > per_cpu(last_jiffy, cpu) for all cpus always */
 	previous_tb -= tb_ticks_per_jiffy;
@@ -830,7 +822,7 @@ int do_settimeofday(struct timespec *tv)
 	 * and therefore the (jiffies - wall_jiffies) computation
 	 * has been removed.
 	 */
-	tb_delta = tb_ticks_since(tb_last_stamp);
+	tb_delta = tb_ticks_since(tb_last_jiffy);
 	tb_delta = mulhdu(tb_delta, do_gtod.varp->tb_to_xs); /* in xsec */
 	new_nsec -= SCALE_XSEC(tb_delta, 1000000000);
 
@@ -950,8 +942,7 @@ void __init time_init(void)
 	if (__USE_RTC()) {
 		/* 601 processor: dec counts down by 128 every 128ns */
 		ppc_tb_freq = 1000000000;
-		tb_last_stamp = get_rtcl();
-		tb_last_jiffy = tb_last_stamp;
+		tb_last_jiffy = get_rtcl();
 	} else {
 		/* Normal PowerPC with timebase register */
 		ppc_md.calibrate_decr();
@@ -959,7 +950,7 @@ void __init time_init(void)
 		       ppc_tb_freq / 1000000, ppc_tb_freq % 1000000);
 		printk(KERN_DEBUG "time_init: processor frequency   = %lu.%.6lu MHz\n",
 		       ppc_proc_freq / 1000000, ppc_proc_freq % 1000000);
-		tb_last_stamp = tb_last_jiffy = get_tb();
+		tb_last_jiffy = get_tb();
 	}
 
 	tb_ticks_per_jiffy = ppc_tb_freq / HZ;
@@ -1036,7 +1027,7 @@ void __init time_init(void)
 	do_gtod.varp = &do_gtod.vars[0];
 	do_gtod.var_idx = 0;
 	do_gtod.varp->tb_orig_stamp = tb_last_jiffy;
-	__get_cpu_var(last_jiffy) = tb_last_stamp;
+	__get_cpu_var(last_jiffy) = tb_last_jiffy;
 	do_gtod.varp->stamp_xsec = (u64) xtime.tv_sec * XSEC_PER_SEC;
 	do_gtod.tb_ticks_per_sec = tb_ticks_per_sec;
 	do_gtod.varp->tb_to_xs = tb_to_xs;
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 4d0b4e74d579..9b352bd0a460 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -148,7 +148,7 @@ int die(const char *str, struct pt_regs *regs, long err)
 		panic("Fatal exception in interrupt");
 
 	if (panic_on_oops)
-		panic("Fatal exception: panic_on_oops");
+		panic("Fatal exception");
 
 	do_exit(err);
 
diff --git a/arch/powerpc/lib/memcpy_64.S b/arch/powerpc/lib/memcpy_64.S
index fd66acfd3e3e..7173ba98f427 100644
--- a/arch/powerpc/lib/memcpy_64.S
+++ b/arch/powerpc/lib/memcpy_64.S
@@ -11,6 +11,7 @@
 
 	.align	7
 _GLOBAL(memcpy)
+	std	r3,48(r1)	/* save destination pointer for return value */
 	mtcrf	0x01,r5
 	cmpldi	cr1,r5,16
 	neg	r6,r3		# LS 3 bits = # bytes to 8-byte dest bdry
@@ -38,7 +39,7 @@ _GLOBAL(memcpy)
 	stdu	r9,16(r3)
 	bdnz	1b
 3:	std	r8,8(r3)
-	beqlr
+	beq	3f
 	addi	r3,r3,16
 	ld	r9,8(r4)
 .Ldo_tail:
@@ -53,7 +54,8 @@ _GLOBAL(memcpy)
 2:	bf	cr7*4+3,3f
 	rotldi	r9,r9,8
 	stb	r9,0(r3)
-3:	blr
+3:	ld	r3,48(r1)	/* return dest pointer */
+	blr
 
 .Lsrc_unaligned:
 	srdi	r6,r5,3
@@ -115,7 +117,7 @@ _GLOBAL(memcpy)
 5:	srd	r12,r9,r11
 	or	r12,r8,r12
 	std	r12,24(r3)
-	beqlr
+	beq	4f
 	cmpwi	cr1,r5,8
 	addi	r3,r3,32
 	sld	r9,r9,r10
@@ -167,4 +169,5 @@ _GLOBAL(memcpy)
 3:	bf	cr7*4+3,4f
 	lbz	r0,0(r4)
 	stb	r0,0(r3)
-4:	blr
+4:	ld	r3,48(r1)	/* return dest pointer */
+	blr
diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.c b/arch/powerpc/platforms/83xx/mpc834x_itx.c
index d9675f9b9766..969fbb6d8c46 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_itx.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_itx.c
@@ -46,26 +46,6 @@ unsigned long isa_io_base = 0;
 unsigned long isa_mem_base = 0;
 #endif
 
-#ifdef CONFIG_PCI
-static int
-mpc83xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
-{
-	static char pci_irq_table[][4] =
-	    /*
-	     *      PCI IDSEL/INTPIN->INTLINE
-	     *       A      B      C      D
-	     */
-	{
-		{PIRQB, PIRQC, PIRQD, PIRQA},	/* idsel 0x0e */
-		{PIRQA, PIRQB, PIRQC, PIRQD},	/* idsel 0x0f */
-		{PIRQC, PIRQD, PIRQA, PIRQB},	/* idsel 0x10 */
-	};
-
-	const long min_idsel = 0x0e, max_idsel = 0x10, irqs_per_slot = 4;
-	return PCI_IRQ_TABLE_LOOKUP;
-}
-#endif				/* CONFIG_PCI */
-
 /* ************************************************************************
  *
  * Setup the architecture
@@ -92,8 +72,6 @@ static void __init mpc834x_itx_setup_arch(void)
 	for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
 		add_bridge(np);
 
-	ppc_md.pci_swizzle = common_swizzle;
-	ppc_md.pci_map_irq = mpc83xx_map_irq;
 	ppc_md.pci_exclude_device = mpc83xx_exclude_device;
 #endif
 
@@ -106,25 +84,13 @@ static void __init mpc834x_itx_setup_arch(void)
 
 void __init mpc834x_itx_init_IRQ(void)
 {
-	u8 senses[8] = {
-		0,			/* EXT 0 */
-		IRQ_SENSE_LEVEL,	/* EXT 1 */
-		IRQ_SENSE_LEVEL,	/* EXT 2 */
-		0,			/* EXT 3 */
-#ifdef CONFIG_PCI
-		IRQ_SENSE_LEVEL,	/* EXT 4 */
-		IRQ_SENSE_LEVEL,	/* EXT 5 */
-		IRQ_SENSE_LEVEL,	/* EXT 6 */
-		IRQ_SENSE_LEVEL,	/* EXT 7 */
-#else
-		0,			/* EXT 4 */
-		0,			/* EXT 5 */
-		0,			/* EXT 6 */
-		0,			/* EXT 7 */
-#endif
-	};
+	struct device_node *np;
+
+	np = of_find_node_by_type(NULL, "ipic");
+	if (!np)
+		return;
 
-	ipic_init(get_immrbase() + 0x00700, 0, 0, senses, 8);
+	ipic_init(np, 0);
 
 	/* Initialize the default interrupt mapping priorities,
 	 * in case the boot rom changed something on us.
@@ -153,4 +119,7 @@ define_machine(mpc834x_itx) {
 	.time_init		= mpc83xx_time_init,
 	.calibrate_decr		= generic_calibrate_decr,
 	.progress		= udbg_progress,
+#ifdef CONFIG_PCI
+	.pcibios_fixup		= mpc83xx_pcibios_fixup,
+#endif
 };
diff --git a/arch/powerpc/platforms/83xx/mpc834x_sys.c b/arch/powerpc/platforms/83xx/mpc834x_sys.c
index 5eadf9d035f1..677196187a4e 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_sys.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_sys.c
@@ -43,33 +43,6 @@ unsigned long isa_io_base = 0;
 unsigned long isa_mem_base = 0;
 #endif
 
-#ifdef CONFIG_PCI
-static int
-mpc83xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
-{
-	static char pci_irq_table[][4] =
-	    /*
-	     *      PCI IDSEL/INTPIN->INTLINE
-	     *       A      B      C      D
-	     */
-	{
-		{PIRQA, PIRQB, PIRQC, PIRQD},	/* idsel 0x11 */
-		{PIRQC, PIRQD, PIRQA, PIRQB},	/* idsel 0x12 */
-		{PIRQD, PIRQA, PIRQB, PIRQC},	/* idsel 0x13 */
-		{0, 0, 0, 0},
-		{PIRQA, PIRQB, PIRQC, PIRQD},	/* idsel 0x15 */
-		{PIRQD, PIRQA, PIRQB, PIRQC},	/* idsel 0x16 */
-		{PIRQC, PIRQD, PIRQA, PIRQB},	/* idsel 0x17 */
-		{PIRQB, PIRQC, PIRQD, PIRQA},	/* idsel 0x18 */
-		{0, 0, 0, 0},			/* idsel 0x19 */
-		{0, 0, 0, 0},			/* idsel 0x20 */
-	};
-
-	const long min_idsel = 0x11, max_idsel = 0x20, irqs_per_slot = 4;
-	return PCI_IRQ_TABLE_LOOKUP;
-}
-#endif				/* CONFIG_PCI */
-
 /* ************************************************************************
  *
  * Setup the architecture
@@ -96,8 +69,6 @@ static void __init mpc834x_sys_setup_arch(void)
 	for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
 		add_bridge(np);
 
-	ppc_md.pci_swizzle = common_swizzle;
-	ppc_md.pci_map_irq = mpc83xx_map_irq;
 	ppc_md.pci_exclude_device = mpc83xx_exclude_device;
 #endif
 
@@ -110,25 +81,13 @@ static void __init mpc834x_sys_setup_arch(void)
 
 void __init mpc834x_sys_init_IRQ(void)
 {
-	u8 senses[8] = {
-		0,			/* EXT 0 */
-		IRQ_SENSE_LEVEL,	/* EXT 1 */
-		IRQ_SENSE_LEVEL,	/* EXT 2 */
-		0,			/* EXT 3 */
-#ifdef CONFIG_PCI
-		IRQ_SENSE_LEVEL,	/* EXT 4 */
-		IRQ_SENSE_LEVEL,	/* EXT 5 */
-		IRQ_SENSE_LEVEL,	/* EXT 6 */
-		IRQ_SENSE_LEVEL,	/* EXT 7 */
-#else
-		0,			/* EXT 4 */
-		0,			/* EXT 5 */
-		0,			/* EXT 6 */
-		0,			/* EXT 7 */
-#endif
-	};
+	struct device_node *np;
+
+	np = of_find_node_by_type(NULL, "ipic");
+	if (!np)
+		return;
 
-	ipic_init(get_immrbase() + 0x00700, 0, 0, senses, 8);
+	ipic_init(np, 0);
 
 	/* Initialize the default interrupt mapping priorities,
 	 * in case the boot rom changed something on us.
@@ -178,4 +137,7 @@ define_machine(mpc834x_sys) {
 	.time_init		= mpc83xx_time_init,
 	.calibrate_decr		= generic_calibrate_decr,
 	.progress		= udbg_progress,
+#ifdef CONFIG_PCI
+	.pcibios_fixup		= mpc83xx_pcibios_fixup,
+#endif
 };
diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h
index 01cae106912b..2c82bca9bfbb 100644
--- a/arch/powerpc/platforms/83xx/mpc83xx.h
+++ b/arch/powerpc/platforms/83xx/mpc83xx.h
@@ -11,6 +11,7 @@
 
 extern int add_bridge(struct device_node *dev);
 extern int mpc83xx_exclude_device(u_char bus, u_char devfn);
+extern void mpc83xx_pcibios_fixup(void);
 extern void mpc83xx_restart(char *cmd);
 extern long mpc83xx_time_init(void);
 
diff --git a/arch/powerpc/platforms/83xx/pci.c b/arch/powerpc/platforms/83xx/pci.c
index 9c3650555144..4557ac5255c1 100644
--- a/arch/powerpc/platforms/83xx/pci.c
+++ b/arch/powerpc/platforms/83xx/pci.c
@@ -45,6 +45,15 @@ int mpc83xx_exclude_device(u_char bus, u_char devfn)
 	return PCIBIOS_SUCCESSFUL;
 }
 
+void __init mpc83xx_pcibios_fixup(void)
+{
+	struct pci_dev *dev = NULL;
+
+	/* map all the PCI irqs */
+	for_each_pci_dev(dev)
+		pci_read_irq_line(dev);
+}
+
 int __init add_bridge(struct device_node *dev)
 {
 	int len;
diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig
index ba07a9a7c039..234a861870a8 100644
--- a/arch/powerpc/platforms/embedded6xx/Kconfig
+++ b/arch/powerpc/platforms/embedded6xx/Kconfig
@@ -80,6 +80,7 @@ config MPC7448HPC2
 	select DEFAULT_UIMAGE
 	select PPC_UDBG_16550
 	select MPIC
+	select MPIC_WEIRD
 	help
 	  Select MPC7448HPC2 if configuring for Freescale MPC7448HPC2 (Taiga)
 	  platform
diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
index 673ee69c62e3..e4f2b9df5e17 100644
--- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
+++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
@@ -215,7 +215,7 @@ static void __init mpc7448_hpc2_init_IRQ(void)
 
 	mpic = mpic_alloc(tsi_pic, mpic_paddr,
 			MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_WANTS_RESET |
-			MPIC_SPV_EOI | MPIC_MOD_ID(MPIC_ID_TSI108),
+			MPIC_SPV_EOI | MPIC_NO_PTHROU_DIS | MPIC_REGSET_TSI108,
 			0, /* num_sources used */
 			0, /* num_sources used */
 			"Tsi108_PIC");
diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile
index cebfae242602..e5e999ea891a 100644
--- a/arch/powerpc/sysdev/Makefile
+++ b/arch/powerpc/sysdev/Makefile
@@ -9,11 +9,11 @@ obj-$(CONFIG_BOOKE)		+= dcr.o
 obj-$(CONFIG_40x)		+= dcr.o
 obj-$(CONFIG_U3_DART)		+= dart_iommu.o
 obj-$(CONFIG_MMIO_NVRAM)	+= mmio_nvram.o
-obj-$(CONFIG_PPC_83xx)		+= ipic.o
 obj-$(CONFIG_FSL_SOC)		+= fsl_soc.o
 obj-$(CONFIG_PPC_TODC)		+= todc.o
 obj-$(CONFIG_TSI108_BRIDGE)	+= tsi108_pci.o tsi108_dev.o
 
 ifeq ($(CONFIG_PPC_MERGE),y)
 obj-$(CONFIG_PPC_I8259)		+= i8259.o
- endif
+obj-$(CONFIG_PPC_83xx)		+= ipic.o
+endif
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index 46801f5ec03f..70e707785d49 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -19,15 +19,18 @@
 #include <linux/sched.h>
 #include <linux/signal.h>
 #include <linux/sysdev.h>
+#include <linux/device.h>
+#include <linux/bootmem.h>
+#include <linux/spinlock.h>
 #include <asm/irq.h>
 #include <asm/io.h>
+#include <asm/prom.h>
 #include <asm/ipic.h>
-#include <asm/mpc83xx.h>
 
 #include "ipic.h"
 
-static struct ipic p_ipic;
 static struct ipic * primary_ipic;
+static DEFINE_SPINLOCK(ipic_lock);
 
 static struct ipic_info ipic_info[] = {
 	[9] = {
@@ -373,74 +376,220 @@ static inline void ipic_write(volatile u32 __iomem *base, unsigned int reg, u32
 	out_be32(base + (reg >> 2), value);
 }
 
-static inline struct ipic * ipic_from_irq(unsigned int irq)
+static inline struct ipic * ipic_from_irq(unsigned int virq)
 {
 	return primary_ipic;
 }
 
-static void ipic_enable_irq(unsigned int irq)
+#define ipic_irq_to_hw(virq)	((unsigned int)irq_map[virq].hwirq)
+
+static void ipic_unmask_irq(unsigned int virq)
 {
-	struct ipic *ipic = ipic_from_irq(irq);
-	unsigned int src = irq - ipic->irq_offset;
+	struct ipic *ipic = ipic_from_irq(virq);
+	unsigned int src = ipic_irq_to_hw(virq);
+	unsigned long flags;
 	u32 temp;
 
+	spin_lock_irqsave(&ipic_lock, flags);
+
 	temp = ipic_read(ipic->regs, ipic_info[src].mask);
 	temp |= (1 << (31 - ipic_info[src].bit));
 	ipic_write(ipic->regs, ipic_info[src].mask, temp);
+
+	spin_unlock_irqrestore(&ipic_lock, flags);
 }
 
-static void ipic_disable_irq(unsigned int irq)
+static void ipic_mask_irq(unsigned int virq)
 {
-	struct ipic *ipic = ipic_from_irq(irq);
-	unsigned int src = irq - ipic->irq_offset;
+	struct ipic *ipic = ipic_from_irq(virq);
+	unsigned int src = ipic_irq_to_hw(virq);
+	unsigned long flags;
 	u32 temp;
 
+	spin_lock_irqsave(&ipic_lock, flags);
+
 	temp = ipic_read(ipic->regs, ipic_info[src].mask);
 	temp &= ~(1 << (31 - ipic_info[src].bit));
 	ipic_write(ipic->regs, ipic_info[src].mask, temp);
+
+	spin_unlock_irqrestore(&ipic_lock, flags);
 }
 
-static void ipic_disable_irq_and_ack(unsigned int irq)
+static void ipic_ack_irq(unsigned int virq)
 {
-	struct ipic *ipic = ipic_from_irq(irq);
-	unsigned int src = irq - ipic->irq_offset;
+	struct ipic *ipic = ipic_from_irq(virq);
+	unsigned int src = ipic_irq_to_hw(virq);
+	unsigned long flags;
 	u32 temp;
 
-	ipic_disable_irq(irq);
+	spin_lock_irqsave(&ipic_lock, flags);
 
 	temp = ipic_read(ipic->regs, ipic_info[src].pend);
 	temp |= (1 << (31 - ipic_info[src].bit));
 	ipic_write(ipic->regs, ipic_info[src].pend, temp);
+
+	spin_unlock_irqrestore(&ipic_lock, flags);
 }
 
-static void ipic_end_irq(unsigned int irq)
+static void ipic_mask_irq_and_ack(unsigned int virq)
 {
-	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-		ipic_enable_irq(irq);
+	struct ipic *ipic = ipic_from_irq(virq);
+	unsigned int src = ipic_irq_to_hw(virq);
+	unsigned long flags;
+	u32 temp;
+
+	spin_lock_irqsave(&ipic_lock, flags);
+
+	temp = ipic_read(ipic->regs, ipic_info[src].mask);
+	temp &= ~(1 << (31 - ipic_info[src].bit));
+	ipic_write(ipic->regs, ipic_info[src].mask, temp);
+
+	temp = ipic_read(ipic->regs, ipic_info[src].pend);
+	temp |= (1 << (31 - ipic_info[src].bit));
+	ipic_write(ipic->regs, ipic_info[src].pend, temp);
+
+	spin_unlock_irqrestore(&ipic_lock, flags);
 }
 
-struct hw_interrupt_type ipic = {
-	.typename = " IPIC  ",
-	.enable = ipic_enable_irq,
-	.disable = ipic_disable_irq,
-	.ack = ipic_disable_irq_and_ack,
-	.end = ipic_end_irq,
+static int ipic_set_irq_type(unsigned int virq, unsigned int flow_type)
+{
+	struct ipic *ipic = ipic_from_irq(virq);
+	unsigned int src = ipic_irq_to_hw(virq);
+	struct irq_desc *desc = get_irq_desc(virq);
+	unsigned int vold, vnew, edibit;
+
+	if (flow_type == IRQ_TYPE_NONE)
+		flow_type = IRQ_TYPE_LEVEL_LOW;
+
+	/* ipic supports only low assertion and high-to-low change senses
+	 */
+	if (!(flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_EDGE_FALLING))) {
+		printk(KERN_ERR "ipic: sense type 0x%x not supported\n",
+			flow_type);
+		return -EINVAL;
+	}
+
+	desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL);
+	desc->status |= flow_type & IRQ_TYPE_SENSE_MASK;
+	if (flow_type & IRQ_TYPE_LEVEL_LOW)  {
+		desc->status |= IRQ_LEVEL;
+		set_irq_handler(virq, handle_level_irq);
+	} else {
+		set_irq_handler(virq, handle_edge_irq);
+	}
+
+	/* only EXT IRQ senses are programmable on ipic
+	 * internal IRQ senses are LEVEL_LOW
+	 */
+	if (src == IPIC_IRQ_EXT0)
+		edibit = 15;
+	else
+		if (src >= IPIC_IRQ_EXT1 && src <= IPIC_IRQ_EXT7)
+			edibit = (14 - (src - IPIC_IRQ_EXT1));
+		else
+			return (flow_type & IRQ_TYPE_LEVEL_LOW) ? 0 : -EINVAL;
+
+	vold = ipic_read(ipic->regs, IPIC_SECNR);
+	if ((flow_type & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_FALLING) {
+		vnew = vold | (1 << edibit);
+	} else {
+		vnew = vold & ~(1 << edibit);
+	}
+	if (vold != vnew)
+		ipic_write(ipic->regs, IPIC_SECNR, vnew);
+	return 0;
+}
+
+static struct irq_chip ipic_irq_chip = {
+	.typename	= " IPIC  ",
+	.unmask		= ipic_unmask_irq,
+	.mask		= ipic_mask_irq,
+	.mask_ack	= ipic_mask_irq_and_ack,
+	.ack		= ipic_ack_irq,
+	.set_type	= ipic_set_irq_type,
+};
+
+static int ipic_host_match(struct irq_host *h, struct device_node *node)
+{
+	struct ipic *ipic = h->host_data;
+
+	/* Exact match, unless ipic node is NULL */
+	return ipic->of_node == NULL || ipic->of_node == node;
+}
+
+static int ipic_host_map(struct irq_host *h, unsigned int virq,
+			 irq_hw_number_t hw)
+{
+	struct ipic *ipic = h->host_data;
+	struct irq_chip *chip;
+
+	/* Default chip */
+	chip = &ipic->hc_irq;
+
+	set_irq_chip_data(virq, ipic);
+	set_irq_chip_and_handler(virq, chip, handle_level_irq);
+
+	/* Set default irq type */
+	set_irq_type(virq, IRQ_TYPE_NONE);
+
+	return 0;
+}
+
+static int ipic_host_xlate(struct irq_host *h, struct device_node *ct,
+			   u32 *intspec, unsigned int intsize,
+			   irq_hw_number_t *out_hwirq, unsigned int *out_flags)
+
+{
+	/* interrupt sense values coming from the device tree equal either
+	 * LEVEL_LOW (low assertion) or EDGE_FALLING (high-to-low change)
+	 */
+	*out_hwirq = intspec[0];
+	if (intsize > 1)
+		*out_flags = intspec[1];
+	else
+		*out_flags = IRQ_TYPE_NONE;
+	return 0;
+}
+
+static struct irq_host_ops ipic_host_ops = {
+	.match	= ipic_host_match,
+	.map	= ipic_host_map,
+	.xlate	= ipic_host_xlate,
 };
 
-void __init ipic_init(phys_addr_t phys_addr,
-		unsigned int flags,
-		unsigned int irq_offset,
-		unsigned char *senses,
-		unsigned int senses_count)
+void __init ipic_init(struct device_node *node,
+		unsigned int flags)
 {
-	u32 i, temp = 0;
+	struct ipic	*ipic;
+	struct resource res;
+	u32 temp = 0, ret;
+
+	ipic = alloc_bootmem(sizeof(struct ipic));
+	if (ipic == NULL)
+		return;
+
+	memset(ipic, 0, sizeof(struct ipic));
+	ipic->of_node = node ? of_node_get(node) : NULL;
+
+	ipic->irqhost = irq_alloc_host(IRQ_HOST_MAP_LINEAR,
+				       NR_IPIC_INTS,
+				       &ipic_host_ops, 0);
+	if (ipic->irqhost == NULL) {
+		of_node_put(node);
+		return;
+	}
+
+	ret = of_address_to_resource(node, 0, &res);
+	if (ret)
+		return;
 
-	primary_ipic = &p_ipic;
-	primary_ipic->regs = ioremap(phys_addr, MPC83xx_IPIC_SIZE);
+	ipic->regs = ioremap(res.start, res.end - res.start + 1);
 
-	primary_ipic->irq_offset = irq_offset;
+	ipic->irqhost->host_data = ipic;
+	ipic->hc_irq = ipic_irq_chip;
 
-	ipic_write(primary_ipic->regs, IPIC_SICNR, 0x0);
+	/* init hw */
+	ipic_write(ipic->regs, IPIC_SICNR, 0x0);
 
 	/* default priority scheme is grouped. If spread mode is required
 	 * configure SICFR accordingly */
@@ -453,49 +602,35 @@ void __init ipic_init(phys_addr_t phys_addr,
 	if (flags & IPIC_SPREADMODE_MIX_B)
 		temp |= SICFR_MPSB;
 
-	ipic_write(primary_ipic->regs, IPIC_SICNR, temp);
+	ipic_write(ipic->regs, IPIC_SICNR, temp);
 
 	/* handle MCP route */
 	temp = 0;
 	if (flags & IPIC_DISABLE_MCP_OUT)
 		temp = SERCR_MCPR;
-	ipic_write(primary_ipic->regs, IPIC_SERCR, temp);
+	ipic_write(ipic->regs, IPIC_SERCR, temp);
 
 	/* handle routing of IRQ0 to MCP */
-	temp = ipic_read(primary_ipic->regs, IPIC_SEMSR);
+	temp = ipic_read(ipic->regs, IPIC_SEMSR);
 
 	if (flags & IPIC_IRQ0_MCP)
 		temp |= SEMSR_SIRQ0;
 	else
 		temp &= ~SEMSR_SIRQ0;
 
-	ipic_write(primary_ipic->regs, IPIC_SEMSR, temp);
+	ipic_write(ipic->regs, IPIC_SEMSR, temp);
 
-	for (i = 0 ; i < NR_IPIC_INTS ; i++) {
-		irq_desc[i+irq_offset].chip = &ipic;
-		irq_desc[i+irq_offset].status = IRQ_LEVEL;
-	}
+	primary_ipic = ipic;
+	irq_set_default_host(primary_ipic->irqhost);
 
-	temp = 0;
-	for (i = 0 ; i < senses_count ; i++) {
-		if ((senses[i] & IRQ_SENSE_MASK) == IRQ_SENSE_EDGE) {
-			temp |= 1 << (15 - i);
-			if (i != 0)
-				irq_desc[i + irq_offset + MPC83xx_IRQ_EXT1 - 1].status = 0;
-			else
-				irq_desc[irq_offset + MPC83xx_IRQ_EXT0].status = 0;
-		}
-	}
-	ipic_write(primary_ipic->regs, IPIC_SECNR, temp);
-
-	printk ("IPIC (%d IRQ sources, %d External IRQs) at %p\n", NR_IPIC_INTS,
-			senses_count, primary_ipic->regs);
+	printk ("IPIC (%d IRQ sources) at %p\n", NR_IPIC_INTS,
+			primary_ipic->regs);
 }
 
-int ipic_set_priority(unsigned int irq, unsigned int priority)
+int ipic_set_priority(unsigned int virq, unsigned int priority)
 {
-	struct ipic *ipic = ipic_from_irq(irq);
-	unsigned int src = irq - ipic->irq_offset;
+	struct ipic *ipic = ipic_from_irq(virq);
+	unsigned int src = ipic_irq_to_hw(virq);
 	u32 temp;
 
 	if (priority > 7)
@@ -520,10 +655,10 @@ int ipic_set_priority(unsigned int irq, unsigned int priority)
 	return 0;
 }
 
-void ipic_set_highest_priority(unsigned int irq)
+void ipic_set_highest_priority(unsigned int virq)
 {
-	struct ipic *ipic = ipic_from_irq(irq);
-	unsigned int src = irq - ipic->irq_offset;
+	struct ipic *ipic = ipic_from_irq(virq);
+	unsigned int src = ipic_irq_to_hw(virq);
 	u32 temp;
 
 	temp = ipic_read(ipic->regs, IPIC_SICFR);
@@ -537,37 +672,10 @@ void ipic_set_highest_priority(unsigned int irq)
 
 void ipic_set_default_priority(void)
 {
-	ipic_set_priority(MPC83xx_IRQ_TSEC1_TX, 0);
-	ipic_set_priority(MPC83xx_IRQ_TSEC1_RX, 1);
-	ipic_set_priority(MPC83xx_IRQ_TSEC1_ERROR, 2);
-	ipic_set_priority(MPC83xx_IRQ_TSEC2_TX, 3);
-	ipic_set_priority(MPC83xx_IRQ_TSEC2_RX, 4);
-	ipic_set_priority(MPC83xx_IRQ_TSEC2_ERROR, 5);
-	ipic_set_priority(MPC83xx_IRQ_USB2_DR, 6);
-	ipic_set_priority(MPC83xx_IRQ_USB2_MPH, 7);
-
-	ipic_set_priority(MPC83xx_IRQ_UART1, 0);
-	ipic_set_priority(MPC83xx_IRQ_UART2, 1);
-	ipic_set_priority(MPC83xx_IRQ_SEC2, 2);
-	ipic_set_priority(MPC83xx_IRQ_IIC1, 5);
-	ipic_set_priority(MPC83xx_IRQ_IIC2, 6);
-	ipic_set_priority(MPC83xx_IRQ_SPI, 7);
-	ipic_set_priority(MPC83xx_IRQ_RTC_SEC, 0);
-	ipic_set_priority(MPC83xx_IRQ_PIT, 1);
-	ipic_set_priority(MPC83xx_IRQ_PCI1, 2);
-	ipic_set_priority(MPC83xx_IRQ_PCI2, 3);
-	ipic_set_priority(MPC83xx_IRQ_EXT0, 4);
-	ipic_set_priority(MPC83xx_IRQ_EXT1, 5);
-	ipic_set_priority(MPC83xx_IRQ_EXT2, 6);
-	ipic_set_priority(MPC83xx_IRQ_EXT3, 7);
-	ipic_set_priority(MPC83xx_IRQ_RTC_ALR, 0);
-	ipic_set_priority(MPC83xx_IRQ_MU, 1);
-	ipic_set_priority(MPC83xx_IRQ_SBA, 2);
-	ipic_set_priority(MPC83xx_IRQ_DMA, 3);
-	ipic_set_priority(MPC83xx_IRQ_EXT4, 4);
-	ipic_set_priority(MPC83xx_IRQ_EXT5, 5);
-	ipic_set_priority(MPC83xx_IRQ_EXT6, 6);
-	ipic_set_priority(MPC83xx_IRQ_EXT7, 7);
+	ipic_write(primary_ipic->regs, IPIC_SIPRR_A, IPIC_SIPRR_A_DEFAULT);
+	ipic_write(primary_ipic->regs, IPIC_SIPRR_D, IPIC_SIPRR_D_DEFAULT);
+	ipic_write(primary_ipic->regs, IPIC_SMPRR_A, IPIC_SMPRR_A_DEFAULT);
+	ipic_write(primary_ipic->regs, IPIC_SMPRR_B, IPIC_SMPRR_B_DEFAULT);
 }
 
 void ipic_enable_mcp(enum ipic_mcp_irq mcp_irq)
@@ -600,17 +708,20 @@ void ipic_clear_mcp_status(u32 mask)
 	ipic_write(primary_ipic->regs, IPIC_SERMR, mask);
 }
 
-/* Return an interrupt vector or -1 if no interrupt is pending. */
-int ipic_get_irq(struct pt_regs *regs)
+/* Return an interrupt vector or NO_IRQ if no interrupt is pending. */
+unsigned int ipic_get_irq(struct pt_regs *regs)
 {
 	int irq;
 
-	irq = ipic_read(primary_ipic->regs, IPIC_SIVCR) & 0x7f;
+	BUG_ON(primary_ipic == NULL);
+
+#define IPIC_SIVCR_VECTOR_MASK	0x7f
+	irq = ipic_read(primary_ipic->regs, IPIC_SIVCR) & IPIC_SIVCR_VECTOR_MASK;
 
 	if (irq == 0)    /* 0 --> no irq is pending */
-		irq = -1;
+		return NO_IRQ;
 
-	return irq;
+	return irq_linear_revmap(primary_ipic->irqhost, irq);
 }
 
 static struct sysdev_class ipic_sysclass = {
diff --git a/arch/powerpc/sysdev/ipic.h b/arch/powerpc/sysdev/ipic.h
index a60c9d18bb7f..c28e589877eb 100644
--- a/arch/powerpc/sysdev/ipic.h
+++ b/arch/powerpc/sysdev/ipic.h
@@ -15,7 +15,18 @@
 
 #include <asm/ipic.h>
 
-#define MPC83xx_IPIC_SIZE	(0x00100)
+#define NR_IPIC_INTS 128
+
+/* External IRQS */
+#define IPIC_IRQ_EXT0 48
+#define IPIC_IRQ_EXT1 17
+#define IPIC_IRQ_EXT7 23
+
+/* Default Priority Registers */
+#define IPIC_SIPRR_A_DEFAULT 0x05309770
+#define IPIC_SIPRR_D_DEFAULT 0x05309770
+#define IPIC_SMPRR_A_DEFAULT 0x05309770
+#define IPIC_SMPRR_B_DEFAULT 0x05309770
 
 /* System Global Interrupt Configuration Register */
 #define	SICFR_IPSA	0x00010000
@@ -31,7 +42,15 @@
 
 struct ipic {
 	volatile u32 __iomem	*regs;
-	unsigned int		irq_offset;
+
+	/* The remapper for this IPIC */
+	struct irq_host		*irqhost;
+
+	/* The "linux" controller struct */
+	struct irq_chip		hc_irq;
+
+	/* The device node of the interrupt controller */
+	struct device_node	*of_node;
 };
 
 struct ipic_info {
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 6e0281afa6c3..b604926401f5 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -54,6 +54,94 @@ static DEFINE_SPINLOCK(mpic_lock);
 #endif
 #endif
 
+#ifdef CONFIG_MPIC_WEIRD
+static u32 mpic_infos[][MPIC_IDX_END] = {
+	[0] = {	/* Original OpenPIC compatible MPIC */
+		MPIC_GREG_BASE,
+		MPIC_GREG_FEATURE_0,
+		MPIC_GREG_GLOBAL_CONF_0,
+		MPIC_GREG_VENDOR_ID,
+		MPIC_GREG_IPI_VECTOR_PRI_0,
+		MPIC_GREG_IPI_STRIDE,
+		MPIC_GREG_SPURIOUS,
+		MPIC_GREG_TIMER_FREQ,
+
+		MPIC_TIMER_BASE,
+		MPIC_TIMER_STRIDE,
+		MPIC_TIMER_CURRENT_CNT,
+		MPIC_TIMER_BASE_CNT,
+		MPIC_TIMER_VECTOR_PRI,
+		MPIC_TIMER_DESTINATION,
+
+		MPIC_CPU_BASE,
+		MPIC_CPU_STRIDE,
+		MPIC_CPU_IPI_DISPATCH_0,
+		MPIC_CPU_IPI_DISPATCH_STRIDE,
+		MPIC_CPU_CURRENT_TASK_PRI,
+		MPIC_CPU_WHOAMI,
+		MPIC_CPU_INTACK,
+		MPIC_CPU_EOI,
+
+		MPIC_IRQ_BASE,
+		MPIC_IRQ_STRIDE,
+		MPIC_IRQ_VECTOR_PRI,
+		MPIC_VECPRI_VECTOR_MASK,
+		MPIC_VECPRI_POLARITY_POSITIVE,
+		MPIC_VECPRI_POLARITY_NEGATIVE,
+		MPIC_VECPRI_SENSE_LEVEL,
+		MPIC_VECPRI_SENSE_EDGE,
+		MPIC_VECPRI_POLARITY_MASK,
+		MPIC_VECPRI_SENSE_MASK,
+		MPIC_IRQ_DESTINATION
+	},
+	[1] = {	/* Tsi108/109 PIC */
+		TSI108_GREG_BASE,
+		TSI108_GREG_FEATURE_0,
+		TSI108_GREG_GLOBAL_CONF_0,
+		TSI108_GREG_VENDOR_ID,
+		TSI108_GREG_IPI_VECTOR_PRI_0,
+		TSI108_GREG_IPI_STRIDE,
+		TSI108_GREG_SPURIOUS,
+		TSI108_GREG_TIMER_FREQ,
+
+		TSI108_TIMER_BASE,
+		TSI108_TIMER_STRIDE,
+		TSI108_TIMER_CURRENT_CNT,
+		TSI108_TIMER_BASE_CNT,
+		TSI108_TIMER_VECTOR_PRI,
+		TSI108_TIMER_DESTINATION,
+
+		TSI108_CPU_BASE,
+		TSI108_CPU_STRIDE,
+		TSI108_CPU_IPI_DISPATCH_0,
+		TSI108_CPU_IPI_DISPATCH_STRIDE,
+		TSI108_CPU_CURRENT_TASK_PRI,
+		TSI108_CPU_WHOAMI,
+		TSI108_CPU_INTACK,
+		TSI108_CPU_EOI,
+
+		TSI108_IRQ_BASE,
+		TSI108_IRQ_STRIDE,
+		TSI108_IRQ_VECTOR_PRI,
+		TSI108_VECPRI_VECTOR_MASK,
+		TSI108_VECPRI_POLARITY_POSITIVE,
+		TSI108_VECPRI_POLARITY_NEGATIVE,
+		TSI108_VECPRI_SENSE_LEVEL,
+		TSI108_VECPRI_SENSE_EDGE,
+		TSI108_VECPRI_POLARITY_MASK,
+		TSI108_VECPRI_SENSE_MASK,
+		TSI108_IRQ_DESTINATION
+	},
+};
+
+#define MPIC_INFO(name) mpic->hw_set[MPIC_IDX_##name]
+
+#else /* CONFIG_MPIC_WEIRD */
+
+#define MPIC_INFO(name) MPIC_##name
+
+#endif /* CONFIG_MPIC_WEIRD */
+
 /*
  * Register accessor functions
  */
@@ -80,7 +168,8 @@ static inline void _mpic_write(unsigned int be, volatile u32 __iomem *base,
 static inline u32 _mpic_ipi_read(struct mpic *mpic, unsigned int ipi)
 {
 	unsigned int be = (mpic->flags & MPIC_BIG_ENDIAN) != 0;
-	unsigned int offset = MPIC_GREG_IPI_VECTOR_PRI_0 + (ipi * 0x10);
+	unsigned int offset = MPIC_INFO(GREG_IPI_VECTOR_PRI_0) +
+			      (ipi * MPIC_INFO(GREG_IPI_STRIDE));
 
 	if (mpic->flags & MPIC_BROKEN_IPI)
 		be = !be;
@@ -89,7 +178,8 @@ static inline u32 _mpic_ipi_read(struct mpic *mpic, unsigned int ipi)
 
 static inline void _mpic_ipi_write(struct mpic *mpic, unsigned int ipi, u32 value)
 {
-	unsigned int offset = MPIC_GREG_IPI_VECTOR_PRI_0 + (ipi * 0x10);
+	unsigned int offset = MPIC_INFO(GREG_IPI_VECTOR_PRI_0) +
+			      (ipi * MPIC_INFO(GREG_IPI_STRIDE));
 
 	_mpic_write(mpic->flags & MPIC_BIG_ENDIAN, mpic->gregs, offset, value);
 }
@@ -120,7 +210,7 @@ static inline u32 _mpic_irq_read(struct mpic *mpic, unsigned int src_no, unsigne
 	unsigned int	idx = src_no & mpic->isu_mask;
 
 	return _mpic_read(mpic->flags & MPIC_BIG_ENDIAN, mpic->isus[isu],
-			  reg + (idx * MPIC_IRQ_STRIDE));
+			  reg + (idx * MPIC_INFO(IRQ_STRIDE)));
 }
 
 static inline void _mpic_irq_write(struct mpic *mpic, unsigned int src_no,
@@ -130,7 +220,7 @@ static inline void _mpic_irq_write(struct mpic *mpic, unsigned int src_no,
 	unsigned int	idx = src_no & mpic->isu_mask;
 
 	_mpic_write(mpic->flags & MPIC_BIG_ENDIAN, mpic->isus[isu],
-		    reg + (idx * MPIC_IRQ_STRIDE), value);
+		    reg + (idx * MPIC_INFO(IRQ_STRIDE)), value);
 }
 
 #define mpic_read(b,r)		_mpic_read(mpic->flags & MPIC_BIG_ENDIAN,(b),(r))
@@ -156,8 +246,8 @@ static void __init mpic_test_broken_ipi(struct mpic *mpic)
 {
 	u32 r;
 
-	mpic_write(mpic->gregs, MPIC_GREG_IPI_VECTOR_PRI_0, MPIC_VECPRI_MASK);
-	r = mpic_read(mpic->gregs, MPIC_GREG_IPI_VECTOR_PRI_0);
+	mpic_write(mpic->gregs, MPIC_INFO(GREG_IPI_VECTOR_PRI_0), MPIC_VECPRI_MASK);
+	r = mpic_read(mpic->gregs, MPIC_INFO(GREG_IPI_VECTOR_PRI_0));
 
 	if (r == le32_to_cpu(MPIC_VECPRI_MASK)) {
 		printk(KERN_INFO "mpic: Detected reversed IPI registers\n");
@@ -394,8 +484,8 @@ static inline struct mpic * mpic_from_irq(unsigned int irq)
 /* Send an EOI */
 static inline void mpic_eoi(struct mpic *mpic)
 {
-	mpic_cpu_write(MPIC_CPU_EOI, 0);
-	(void)mpic_cpu_read(MPIC_CPU_WHOAMI);
+	mpic_cpu_write(MPIC_INFO(CPU_EOI), 0);
+	(void)mpic_cpu_read(MPIC_INFO(CPU_WHOAMI));
 }
 
 #ifdef CONFIG_SMP
@@ -419,8 +509,8 @@ static void mpic_unmask_irq(unsigned int irq)
 
 	DBG("%p: %s: enable_irq: %d (src %d)\n", mpic, mpic->name, irq, src);
 
-	mpic_irq_write(src, MPIC_IRQ_VECTOR_PRI,
-		       mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) &
+	mpic_irq_write(src, MPIC_INFO(IRQ_VECTOR_PRI),
+		       mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) &
 		       ~MPIC_VECPRI_MASK);
 	/* make sure mask gets to controller before we return to user */
 	do {
@@ -428,7 +518,7 @@ static void mpic_unmask_irq(unsigned int irq)
 			printk(KERN_ERR "mpic_enable_irq timeout\n");
 			break;
 		}
-	} while(mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) & MPIC_VECPRI_MASK);
+	} while(mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) & MPIC_VECPRI_MASK);
 }
 
 static void mpic_mask_irq(unsigned int irq)
@@ -439,8 +529,8 @@ static void mpic_mask_irq(unsigned int irq)
 
 	DBG("%s: disable_irq: %d (src %d)\n", mpic->name, irq, src);
 
-	mpic_irq_write(src, MPIC_IRQ_VECTOR_PRI,
-		       mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) |
+	mpic_irq_write(src, MPIC_INFO(IRQ_VECTOR_PRI),
+		       mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) |
 		       MPIC_VECPRI_MASK);
 
 	/* make sure mask gets to controller before we return to user */
@@ -449,7 +539,7 @@ static void mpic_mask_irq(unsigned int irq)
 			printk(KERN_ERR "mpic_enable_irq timeout\n");
 			break;
 		}
-	} while(!(mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) & MPIC_VECPRI_MASK));
+	} while(!(mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) & MPIC_VECPRI_MASK));
 }
 
 static void mpic_end_irq(unsigned int irq)
@@ -560,24 +650,28 @@ static void mpic_set_affinity(unsigned int irq, cpumask_t cpumask)
 
 	cpus_and(tmp, cpumask, cpu_online_map);
 
-	mpic_irq_write(src, MPIC_IRQ_DESTINATION,
+	mpic_irq_write(src, MPIC_INFO(IRQ_DESTINATION),
 		       mpic_physmask(cpus_addr(tmp)[0]));	
 }
 
-static unsigned int mpic_type_to_vecpri(unsigned int type)
+static unsigned int mpic_type_to_vecpri(struct mpic *mpic, unsigned int type)
 {
 	/* Now convert sense value */
 	switch(type & IRQ_TYPE_SENSE_MASK) {
 	case IRQ_TYPE_EDGE_RISING:
-		return MPIC_VECPRI_SENSE_EDGE | MPIC_VECPRI_POLARITY_POSITIVE;
+		return MPIC_INFO(VECPRI_SENSE_EDGE) |
+		       MPIC_INFO(VECPRI_POLARITY_POSITIVE);
 	case IRQ_TYPE_EDGE_FALLING:
 	case IRQ_TYPE_EDGE_BOTH:
-		return MPIC_VECPRI_SENSE_EDGE | MPIC_VECPRI_POLARITY_NEGATIVE;
+		return MPIC_INFO(VECPRI_SENSE_EDGE) |
+		       MPIC_INFO(VECPRI_POLARITY_NEGATIVE);
 	case IRQ_TYPE_LEVEL_HIGH:
-		return MPIC_VECPRI_SENSE_LEVEL | MPIC_VECPRI_POLARITY_POSITIVE;
+		return MPIC_INFO(VECPRI_SENSE_LEVEL) |
+		       MPIC_INFO(VECPRI_POLARITY_POSITIVE);
 	case IRQ_TYPE_LEVEL_LOW:
 	default:
-		return MPIC_VECPRI_SENSE_LEVEL | MPIC_VECPRI_POLARITY_NEGATIVE;
+		return MPIC_INFO(VECPRI_SENSE_LEVEL) |
+		       MPIC_INFO(VECPRI_POLARITY_NEGATIVE);
 	}
 }
 
@@ -609,13 +703,14 @@ static int mpic_set_irq_type(unsigned int virq, unsigned int flow_type)
 		vecpri = MPIC_VECPRI_POLARITY_POSITIVE |
 			MPIC_VECPRI_SENSE_EDGE;
 	else
-		vecpri = mpic_type_to_vecpri(flow_type);
+		vecpri = mpic_type_to_vecpri(mpic, flow_type);
 
-	vold = mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI);
-	vnew = vold & ~(MPIC_VECPRI_POLARITY_MASK | MPIC_VECPRI_SENSE_MASK);
+	vold = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI));
+	vnew = vold & ~(MPIC_INFO(VECPRI_POLARITY_MASK) |
+			MPIC_INFO(VECPRI_SENSE_MASK));
 	vnew |= vecpri;
 	if (vold != vnew)
-		mpic_irq_write(src, MPIC_IRQ_VECTOR_PRI, vnew);
+		mpic_irq_write(src, MPIC_INFO(IRQ_VECTOR_PRI), vnew);
 
 	return 0;
 }
@@ -798,17 +893,22 @@ struct mpic * __init mpic_alloc(struct device_node *node,
 	mpic->irq_count = irq_count;
 	mpic->num_sources = 0; /* so far */
 
+#ifdef CONFIG_MPIC_WEIRD
+	mpic->hw_set = mpic_infos[MPIC_GET_REGSET(flags)];
+#endif
+
 	/* Map the global registers */
-	mpic->gregs = ioremap(phys_addr + MPIC_GREG_BASE, 0x1000);
-	mpic->tmregs = mpic->gregs + ((MPIC_TIMER_BASE - MPIC_GREG_BASE) >> 2);
+	mpic->gregs = ioremap(phys_addr + MPIC_INFO(GREG_BASE), 0x1000);
+	mpic->tmregs = mpic->gregs +
+		       ((MPIC_INFO(TIMER_BASE) - MPIC_INFO(GREG_BASE)) >> 2);
 	BUG_ON(mpic->gregs == NULL);
 
 	/* Reset */
 	if (flags & MPIC_WANTS_RESET) {
-		mpic_write(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0,
-			   mpic_read(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0)
+		mpic_write(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0),
+			   mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0))
 			   | MPIC_GREG_GCONF_RESET);
-		while( mpic_read(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0)
+		while( mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0))
 		       & MPIC_GREG_GCONF_RESET)
 			mb();
 	}
@@ -817,7 +917,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
 	 * MPICs, num sources as well. On ISU MPICs, sources are counted
 	 * as ISUs are added
 	 */
-	reg = mpic_read(mpic->gregs, MPIC_GREG_FEATURE_0);
+	reg = mpic_read(mpic->gregs, MPIC_INFO(GREG_FEATURE_0));
 	mpic->num_cpus = ((reg & MPIC_GREG_FEATURE_LAST_CPU_MASK)
 			  >> MPIC_GREG_FEATURE_LAST_CPU_SHIFT) + 1;
 	if (isu_size == 0)
@@ -826,16 +926,16 @@ struct mpic * __init mpic_alloc(struct device_node *node,
 
 	/* Map the per-CPU registers */
 	for (i = 0; i < mpic->num_cpus; i++) {
-		mpic->cpuregs[i] = ioremap(phys_addr + MPIC_CPU_BASE +
-					   i * MPIC_CPU_STRIDE, 0x1000);
+		mpic->cpuregs[i] = ioremap(phys_addr + MPIC_INFO(CPU_BASE) +
+					   i * MPIC_INFO(CPU_STRIDE), 0x1000);
 		BUG_ON(mpic->cpuregs[i] == NULL);
 	}
 
 	/* Initialize main ISU if none provided */
 	if (mpic->isu_size == 0) {
 		mpic->isu_size = mpic->num_sources;
-		mpic->isus[0] = ioremap(phys_addr + MPIC_IRQ_BASE,
-					MPIC_IRQ_STRIDE * mpic->isu_size);
+		mpic->isus[0] = ioremap(phys_addr + MPIC_INFO(IRQ_BASE),
+					MPIC_INFO(IRQ_STRIDE) * mpic->isu_size);
 		BUG_ON(mpic->isus[0] == NULL);
 	}
 	mpic->isu_shift = 1 + __ilog2(mpic->isu_size - 1);
@@ -879,7 +979,8 @@ void __init mpic_assign_isu(struct mpic *mpic, unsigned int isu_num,
 
 	BUG_ON(isu_num >= MPIC_MAX_ISU);
 
-	mpic->isus[isu_num] = ioremap(phys_addr, MPIC_IRQ_STRIDE * mpic->isu_size);
+	mpic->isus[isu_num] = ioremap(phys_addr,
+				      MPIC_INFO(IRQ_STRIDE) * mpic->isu_size);
 	if ((isu_first + mpic->isu_size) > mpic->num_sources)
 		mpic->num_sources = isu_first + mpic->isu_size;
 }
@@ -904,14 +1005,16 @@ void __init mpic_init(struct mpic *mpic)
 	printk(KERN_INFO "mpic: Initializing for %d sources\n", mpic->num_sources);
 
 	/* Set current processor priority to max */
-	mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, 0xf);
+	mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0xf);
 
 	/* Initialize timers: just disable them all */
 	for (i = 0; i < 4; i++) {
 		mpic_write(mpic->tmregs,
-			   i * MPIC_TIMER_STRIDE + MPIC_TIMER_DESTINATION, 0);
+			   i * MPIC_INFO(TIMER_STRIDE) +
+			   MPIC_INFO(TIMER_DESTINATION), 0);
 		mpic_write(mpic->tmregs,
-			   i * MPIC_TIMER_STRIDE + MPIC_TIMER_VECTOR_PRI,
+			   i * MPIC_INFO(TIMER_STRIDE) +
+			   MPIC_INFO(TIMER_VECTOR_PRI),
 			   MPIC_VECPRI_MASK |
 			   (MPIC_VEC_TIMER_0 + i));
 	}
@@ -940,21 +1043,22 @@ void __init mpic_init(struct mpic *mpic)
 			(8 << MPIC_VECPRI_PRIORITY_SHIFT);
 		
 		/* init hw */
-		mpic_irq_write(i, MPIC_IRQ_VECTOR_PRI, vecpri);
-		mpic_irq_write(i, MPIC_IRQ_DESTINATION,
+		mpic_irq_write(i, MPIC_INFO(IRQ_VECTOR_PRI), vecpri);
+		mpic_irq_write(i, MPIC_INFO(IRQ_DESTINATION),
 			       1 << hard_smp_processor_id());
 	}
 	
 	/* Init spurrious vector */
-	mpic_write(mpic->gregs, MPIC_GREG_SPURIOUS, MPIC_VEC_SPURRIOUS);
+	mpic_write(mpic->gregs, MPIC_INFO(GREG_SPURIOUS), MPIC_VEC_SPURRIOUS);
 
-	/* Disable 8259 passthrough */
-	mpic_write(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0,
-		   mpic_read(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0)
-		   | MPIC_GREG_GCONF_8259_PTHROU_DIS);
+	/* Disable 8259 passthrough, if supported */
+	if (!(mpic->flags & MPIC_NO_PTHROU_DIS))
+		mpic_write(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0),
+			   mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0))
+			   | MPIC_GREG_GCONF_8259_PTHROU_DIS);
 
 	/* Set current processor priority to 0 */
-	mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, 0);
+	mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0);
 }
 
 void __init mpic_set_clk_ratio(struct mpic *mpic, u32 clock_ratio)
@@ -997,9 +1101,9 @@ void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
 		mpic_ipi_write(src - MPIC_VEC_IPI_0,
 			       reg | (pri << MPIC_VECPRI_PRIORITY_SHIFT));
 	} else {
-		reg = mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI)
+		reg = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI))
 			& ~MPIC_VECPRI_PRIORITY_MASK;
-		mpic_irq_write(src, MPIC_IRQ_VECTOR_PRI,
+		mpic_irq_write(src, MPIC_INFO(IRQ_VECTOR_PRI),
 			       reg | (pri << MPIC_VECPRI_PRIORITY_SHIFT));
 	}
 	spin_unlock_irqrestore(&mpic_lock, flags);
@@ -1017,7 +1121,7 @@ unsigned int mpic_irq_get_priority(unsigned int irq)
 	if (is_ipi)
 		reg = mpic_ipi_read(src = MPIC_VEC_IPI_0);
 	else
-		reg = mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI);
+		reg = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI));
 	spin_unlock_irqrestore(&mpic_lock, flags);
 	return (reg & MPIC_VECPRI_PRIORITY_MASK) >> MPIC_VECPRI_PRIORITY_SHIFT;
 }
@@ -1043,12 +1147,12 @@ void mpic_setup_this_cpu(void)
  	 */
 	if (distribute_irqs) {
 	 	for (i = 0; i < mpic->num_sources ; i++)
-			mpic_irq_write(i, MPIC_IRQ_DESTINATION,
-				mpic_irq_read(i, MPIC_IRQ_DESTINATION) | msk);
+			mpic_irq_write(i, MPIC_INFO(IRQ_DESTINATION),
+				mpic_irq_read(i, MPIC_INFO(IRQ_DESTINATION)) | msk);
 	}
 
 	/* Set current processor priority to 0 */
-	mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, 0);
+	mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0);
 
 	spin_unlock_irqrestore(&mpic_lock, flags);
 #endif /* CONFIG_SMP */
@@ -1058,7 +1162,7 @@ int mpic_cpu_get_priority(void)
 {
 	struct mpic *mpic = mpic_primary;
 
-	return mpic_cpu_read(MPIC_CPU_CURRENT_TASK_PRI);
+	return mpic_cpu_read(MPIC_INFO(CPU_CURRENT_TASK_PRI));
 }
 
 void mpic_cpu_set_priority(int prio)
@@ -1066,7 +1170,7 @@ void mpic_cpu_set_priority(int prio)
 	struct mpic *mpic = mpic_primary;
 
 	prio &= MPIC_CPU_TASKPRI_MASK;
-	mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, prio);
+	mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), prio);
 }
 
 /*
@@ -1088,11 +1192,11 @@ void mpic_teardown_this_cpu(int secondary)
 
 	/* let the mpic know we don't want intrs.  */
 	for (i = 0; i < mpic->num_sources ; i++)
-		mpic_irq_write(i, MPIC_IRQ_DESTINATION,
-			mpic_irq_read(i, MPIC_IRQ_DESTINATION) & ~msk);
+		mpic_irq_write(i, MPIC_INFO(IRQ_DESTINATION),
+			mpic_irq_read(i, MPIC_INFO(IRQ_DESTINATION)) & ~msk);
 
 	/* Set current processor priority to max */
-	mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, 0xf);
+	mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0xf);
 
 	spin_unlock_irqrestore(&mpic_lock, flags);
 }
@@ -1108,7 +1212,8 @@ void mpic_send_ipi(unsigned int ipi_no, unsigned int cpu_mask)
 	DBG("%s: send_ipi(ipi_no: %d)\n", mpic->name, ipi_no);
 #endif
 
-	mpic_cpu_write(MPIC_CPU_IPI_DISPATCH_0 + ipi_no * 0x10,
+	mpic_cpu_write(MPIC_INFO(CPU_IPI_DISPATCH_0) +
+		       ipi_no * MPIC_INFO(CPU_IPI_DISPATCH_STRIDE),
 		       mpic_physmask(cpu_mask & cpus_addr(cpu_online_map)[0]));
 }
 
@@ -1116,7 +1221,7 @@ unsigned int mpic_get_one_irq(struct mpic *mpic, struct pt_regs *regs)
 {
 	u32 src;
 
-	src = mpic_cpu_read(MPIC_CPU_INTACK) & MPIC_VECPRI_VECTOR_MASK;
+	src = mpic_cpu_read(MPIC_INFO(CPU_INTACK)) & MPIC_INFO(VECPRI_VECTOR_MASK);
 #ifdef DEBUG_LOW
 	DBG("%s: get_one_irq(): %d\n", mpic->name, src);
 #endif
diff --git a/arch/ppc/kernel/smp-tbsync.c b/arch/ppc/kernel/smp-tbsync.c
index 1576758debaf..d0cf3f86931d 100644
--- a/arch/ppc/kernel/smp-tbsync.c
+++ b/arch/ppc/kernel/smp-tbsync.c
@@ -47,8 +47,9 @@ void __devinit
 smp_generic_take_timebase( void )
 {
 	int cmd, tbl, tbu;
+	unsigned long flags;
 
-	local_irq_disable();
+	local_irq_save(flags);
 	while( !running )
 		;
 	rmb();
@@ -64,7 +65,7 @@ smp_generic_take_timebase( void )
 		tbu = tbsync->tbu;
 		tbsync->ack = 0;
 		if( cmd == kExit )
-			return;
+			break;
 
 		if( cmd == kSetAndTest ) {
 			while( tbsync->handshake )
@@ -77,7 +78,7 @@ smp_generic_take_timebase( void )
 		}
 		enter_contest( tbsync->mark, -1 );
 	}
-	local_irq_enable();
+	local_irq_restore(flags);
 }
 
 static int __devinit
diff --git a/arch/ppc/platforms/85xx/mpc8560_ads.c b/arch/ppc/platforms/85xx/mpc8560_ads.c
index d90cd24d018e..94badafe4ef1 100644
--- a/arch/ppc/platforms/85xx/mpc8560_ads.c
+++ b/arch/ppc/platforms/85xx/mpc8560_ads.c
@@ -29,6 +29,7 @@
 #include <linux/initrd.h>
 #include <linux/module.h>
 #include <linux/fsl_devices.h>
+#include <linux/fs_enet_pd.h>
 
 #include <asm/system.h>
 #include <asm/pgtable.h>
@@ -58,6 +59,71 @@
  * Setup the architecture
  *
  */
+static void init_fcc_ioports(void)
+{
+	struct immap *immap;
+	struct io_port *io;
+	u32 tempval;
+
+	immap = cpm2_immr;
+
+	io = &immap->im_ioport;
+	/* FCC2/3 are on the ports B/C. */
+	tempval = in_be32(&io->iop_pdirb);
+	tempval &= ~PB2_DIRB0;
+	tempval |= PB2_DIRB1;
+	out_be32(&io->iop_pdirb, tempval);
+
+	tempval = in_be32(&io->iop_psorb);
+	tempval &= ~PB2_PSORB0;
+	tempval |= PB2_PSORB1;
+	out_be32(&io->iop_psorb, tempval);
+
+	tempval = in_be32(&io->iop_pparb);
+	tempval |= (PB2_DIRB0 | PB2_DIRB1);
+	out_be32(&io->iop_pparb, tempval);
+
+	tempval = in_be32(&io->iop_pdirb);
+	tempval &= ~PB3_DIRB0;
+	tempval |= PB3_DIRB1;
+	out_be32(&io->iop_pdirb, tempval);
+
+	tempval = in_be32(&io->iop_psorb);
+	tempval &= ~PB3_PSORB0;
+	tempval |= PB3_PSORB1;
+	out_be32(&io->iop_psorb, tempval);
+
+	tempval = in_be32(&io->iop_pparb);
+	tempval |= (PB3_DIRB0 | PB3_DIRB1);
+	out_be32(&io->iop_pparb, tempval);
+
+        tempval = in_be32(&io->iop_pdirc);
+        tempval |= PC3_DIRC1;
+        out_be32(&io->iop_pdirc, tempval);
+
+        tempval = in_be32(&io->iop_pparc);
+        tempval |= PC3_DIRC1;
+        out_be32(&io->iop_pparc, tempval);
+
+	/* Port C has clocks......  */
+	tempval = in_be32(&io->iop_psorc);
+	tempval &= ~(CLK_TRX);
+	out_be32(&io->iop_psorc, tempval);
+
+	tempval = in_be32(&io->iop_pdirc);
+	tempval &= ~(CLK_TRX);
+	out_be32(&io->iop_pdirc, tempval);
+	tempval = in_be32(&io->iop_pparc);
+	tempval |= (CLK_TRX);
+	out_be32(&io->iop_pparc, tempval);
+
+	/* Configure Serial Interface clock routing.
+	 * First,  clear all FCC bits to zero,
+	 * then set the ones we want.
+	 */
+	immap->im_cpmux.cmx_fcr &= ~(CPMUX_CLK_MASK);
+	immap->im_cpmux.cmx_fcr |= CPMUX_CLK_ROUTE;
+}
 
 static void __init
 mpc8560ads_setup_arch(void)
@@ -66,6 +132,7 @@ mpc8560ads_setup_arch(void)
 	unsigned int freq;
 	struct gianfar_platform_data *pdata;
 	struct gianfar_mdio_data *mdata;
+	struct fs_platform_info *fpi;
 
 	cpm2_reset();
 
@@ -110,6 +177,28 @@ mpc8560ads_setup_arch(void)
 		memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6);
 	}
 
+	init_fcc_ioports();
+	ppc_sys_device_remove(MPC85xx_CPM_FCC1);
+
+	fpi = (struct fs_platform_info *) ppc_sys_get_pdata(MPC85xx_CPM_FCC2);
+	if (fpi) {
+		memcpy(fpi->macaddr, binfo->bi_enet2addr, 6);
+		fpi->bus_id = "0:02";
+		fpi->phy_addr = 2;
+		fpi->dpram_offset = (u32)cpm2_immr->im_dprambase;
+		fpi->fcc_regs_c = (u32)&cpm2_immr->im_fcc_c[1];
+	}
+
+	fpi = (struct fs_platform_info *) ppc_sys_get_pdata(MPC85xx_CPM_FCC3);
+	if (fpi) {
+		memcpy(fpi->macaddr, binfo->bi_enet2addr, 6);
+		fpi->macaddr[5] += 1;
+		fpi->bus_id = "0:03";
+		fpi->phy_addr = 3;
+		fpi->dpram_offset = (u32)cpm2_immr->im_dprambase;
+		fpi->fcc_regs_c = (u32)&cpm2_immr->im_fcc_c[2];
+	}
+
 #ifdef CONFIG_BLK_DEV_INITRD
 	if (initrd_start)
 		ROOT_DEV = Root_RAM0;
diff --git a/arch/ppc/platforms/85xx/mpc85xx_ads_common.h b/arch/ppc/platforms/85xx/mpc85xx_ads_common.h
index abf32281655d..c8c322fe3680 100644
--- a/arch/ppc/platforms/85xx/mpc85xx_ads_common.h
+++ b/arch/ppc/platforms/85xx/mpc85xx_ads_common.h
@@ -45,4 +45,23 @@ extern void mpc85xx_ads_map_io(void) __init;
 
 #define MPC85XX_PCI1_IO_SIZE	0x01000000
 
+/* FCC1 Clock Source Configuration.  These can be
+ * redefined in the board specific file.
+ *    Can only choose from CLK9-12 */
+#define F1_RXCLK       12
+#define F1_TXCLK       11
+
+/* FCC2 Clock Source Configuration.  These can be
+ * redefined in the board specific file.
+ *    Can only choose from CLK13-16 */
+#define F2_RXCLK       13
+#define F2_TXCLK       14
+
+/* FCC3 Clock Source Configuration.  These can be
+ * redefined in the board specific file.
+ *    Can only choose from CLK13-16 */
+#define F3_RXCLK       15
+#define F3_TXCLK       16
+
+
 #endif				/* __MACH_MPC85XX_ADS_H__ */
diff --git a/arch/ppc/platforms/mpc8272ads_setup.c b/arch/ppc/platforms/mpc8272ads_setup.c
index abb7154de2c7..2a35fe2b9b96 100644
--- a/arch/ppc/platforms/mpc8272ads_setup.c
+++ b/arch/ppc/platforms/mpc8272ads_setup.c
@@ -56,64 +56,51 @@ static struct fs_uart_platform_info mpc8272_uart_pdata[] = {
 	},
 };
 
-static struct fs_mii_bus_info mii_bus_info = {
-	.method                 = fsmii_bitbang,
-	.id                     = 0,
-	.i.bitbang = {
-		.mdio_port	= fsiop_portc,
-		.mdio_bit	= 18,
-		.mdc_port	= fsiop_portc,
-		.mdc_bit	= 19,
-		.delay		= 1,
-	},
-};
-
-static struct fs_platform_info mpc82xx_fcc1_pdata = {
-	.fs_no		= fsid_fcc1,
-	.cp_page	= CPM_CR_FCC1_PAGE,
-	.cp_block 	= CPM_CR_FCC1_SBLOCK,
-	.clk_trx 	= (PC_F1RXCLK | PC_F1TXCLK),
-	.clk_route	= CMX1_CLK_ROUTE,
-	.clk_mask	= CMX1_CLK_MASK,
-	.init_ioports 	= init_fcc1_ioports,
-
-	.phy_addr	= 0,
-#ifdef PHY_INTERRUPT
-	.phy_irq	= PHY_INTERRUPT,
-#else
-	.phy_irq	= -1;
-#endif
-	.mem_offset	= FCC1_MEM_OFFSET,
-	.bus_info	= &mii_bus_info,
-	.rx_ring	= 32,
-	.tx_ring	= 32,
-	.rx_copybreak	= 240,
-	.use_napi	= 0,
-	.napi_weight	= 17,
+static struct fs_mii_bb_platform_info m82xx_mii_bb_pdata = {
+	.mdio_dat.bit	= 18,
+	.mdio_dir.bit	= 18,
+	.mdc_dat.bit	= 19,
+	.delay		= 1,
 };
 
-static struct fs_platform_info mpc82xx_fcc2_pdata = {
-	.fs_no		= fsid_fcc2,
-	.cp_page	= CPM_CR_FCC2_PAGE,
-	.cp_block 	= CPM_CR_FCC2_SBLOCK,
-	.clk_trx 	= (PC_F2RXCLK | PC_F2TXCLK),
-	.clk_route	= CMX2_CLK_ROUTE,
-	.clk_mask	= CMX2_CLK_MASK,
-	.init_ioports	= init_fcc2_ioports,
-
-	.phy_addr	= 3,
-#ifdef PHY_INTERRUPT
-	.phy_irq	= PHY_INTERRUPT,
-#else
-	.phy_irq	= -1;
-#endif
-	.mem_offset	= FCC2_MEM_OFFSET,
-	.bus_info	= &mii_bus_info,
-	.rx_ring	= 32,
-	.tx_ring	= 32,
-	.rx_copybreak	= 240,
-	.use_napi	= 0,
-	.napi_weight	= 17,
+static struct fs_platform_info mpc82xx_enet_pdata[] = {
+	[fsid_fcc1] = {
+		.fs_no		= fsid_fcc1,
+		.cp_page	= CPM_CR_FCC1_PAGE,
+		.cp_block 	= CPM_CR_FCC1_SBLOCK,
+
+		.clk_trx 	= (PC_F1RXCLK | PC_F1TXCLK),
+		.clk_route	= CMX1_CLK_ROUTE,
+		.clk_mask	= CMX1_CLK_MASK,
+		.init_ioports 	= init_fcc1_ioports,
+
+		.mem_offset	= FCC1_MEM_OFFSET,
+
+		.rx_ring	= 32,
+		.tx_ring	= 32,
+		.rx_copybreak	= 240,
+		.use_napi	= 0,
+		.napi_weight	= 17,
+		.bus_id		= "0:00",
+	},
+	[fsid_fcc2] = {
+		.fs_no		= fsid_fcc2,
+		.cp_page	= CPM_CR_FCC2_PAGE,
+		.cp_block 	= CPM_CR_FCC2_SBLOCK,
+		.clk_trx 	= (PC_F2RXCLK | PC_F2TXCLK),
+		.clk_route	= CMX2_CLK_ROUTE,
+		.clk_mask	= CMX2_CLK_MASK,
+		.init_ioports	= init_fcc2_ioports,
+
+		.mem_offset	= FCC2_MEM_OFFSET,
+
+		.rx_ring	= 32,
+		.tx_ring	= 32,
+		.rx_copybreak	= 240,
+		.use_napi	= 0,
+		.napi_weight	= 17,
+		.bus_id		= "0:03",
+	},
 };
 
 static void init_fcc1_ioports(void)
@@ -209,20 +196,21 @@ static void __init mpc8272ads_fixup_enet_pdata(struct platform_device *pdev,
 	bd_t* bi = (void*)__res;
 	int fs_no = fsid_fcc1+pdev->id-1;
 
-	mpc82xx_fcc1_pdata.dpram_offset = mpc82xx_fcc2_pdata.dpram_offset = (u32)cpm2_immr->im_dprambase;
-	mpc82xx_fcc1_pdata.fcc_regs_c = mpc82xx_fcc2_pdata.fcc_regs_c = (u32)cpm2_immr->im_fcc_c;
-
-	switch(fs_no) {
-		case fsid_fcc1:
-			memcpy(&mpc82xx_fcc1_pdata.macaddr,bi->bi_enetaddr,6);
-			pdev->dev.platform_data = &mpc82xx_fcc1_pdata;
-		break;
-		case fsid_fcc2:
-			memcpy(&mpc82xx_fcc2_pdata.macaddr,bi->bi_enetaddr,6);
-			mpc82xx_fcc2_pdata.macaddr[5] ^= 1;
-			pdev->dev.platform_data = &mpc82xx_fcc2_pdata;
-		break;
+	if(fs_no > ARRAY_SIZE(mpc82xx_enet_pdata)) {
+		return;
 	}
+
+	mpc82xx_enet_pdata[fs_no].dpram_offset=
+			(u32)cpm2_immr->im_dprambase;
+	mpc82xx_enet_pdata[fs_no].fcc_regs_c =
+			(u32)cpm2_immr->im_fcc_c;
+	memcpy(&mpc82xx_enet_pdata[fs_no].macaddr,bi->bi_enetaddr,6);
+
+	/* prevent dup mac */
+	if(fs_no == fsid_fcc2)
+		mpc82xx_enet_pdata[fs_no].macaddr[5] ^= 1;
+
+	pdev->dev.platform_data = &mpc82xx_enet_pdata[fs_no];
 }
 
 static void mpc8272ads_fixup_uart_pdata(struct platform_device *pdev,
@@ -274,6 +262,29 @@ static void init_scc4_uart_ioports(void)
 	iounmap(immap);
 }
 
+static void __init mpc8272ads_fixup_mdio_pdata(struct platform_device *pdev,
+					      int idx)
+{
+	m82xx_mii_bb_pdata.irq[0] = PHY_INTERRUPT;
+	m82xx_mii_bb_pdata.irq[1] = -1;
+	m82xx_mii_bb_pdata.irq[2] = -1;
+	m82xx_mii_bb_pdata.irq[3] = PHY_INTERRUPT;
+	m82xx_mii_bb_pdata.irq[31] = -1;
+
+
+	m82xx_mii_bb_pdata.mdio_dat.offset =
+				(u32)&cpm2_immr->im_ioport.iop_pdatc;
+
+	m82xx_mii_bb_pdata.mdio_dir.offset =
+				(u32)&cpm2_immr->im_ioport.iop_pdirc;
+
+	m82xx_mii_bb_pdata.mdc_dat.offset =
+				(u32)&cpm2_immr->im_ioport.iop_pdatc;
+
+
+	pdev->dev.platform_data = &m82xx_mii_bb_pdata;
+}
+
 static int mpc8272ads_platform_notify(struct device *dev)
 {
 	static const struct platform_notify_dev_map dev_map[] = {
@@ -286,6 +297,10 @@ static int mpc8272ads_platform_notify(struct device *dev)
 			.rtn = mpc8272ads_fixup_uart_pdata,
 		},
 		{
+			.bus_id = "fsl-bb-mdio",
+			.rtn = mpc8272ads_fixup_mdio_pdata,
+		},
+		{
 			.bus_id = NULL
 		}
 	};
@@ -319,6 +334,7 @@ int __init mpc8272ads_init(void)
 	ppc_sys_device_enable(MPC82xx_CPM_SCC4);
 #endif
 
+	ppc_sys_device_enable(MPC82xx_MDIO_BB);
 
 	return 0;
 }
diff --git a/arch/ppc/platforms/mpc866ads_setup.c b/arch/ppc/platforms/mpc866ads_setup.c
index f19b6167c770..e12cece4c9fd 100644
--- a/arch/ppc/platforms/mpc866ads_setup.c
+++ b/arch/ppc/platforms/mpc866ads_setup.c
@@ -1,10 +1,10 @@
-/*arch/ppc/platforms/mpc885ads-setup.c
+/*arch/ppc/platforms/mpc866ads-setup.c
  *
- * Platform setup for the Freescale mpc885ads board
+ * Platform setup for the Freescale mpc866ads board
  *
  * Vitaly Bordug <vbordug@ru.mvista.com>
  *
- * Copyright 2005 MontaVista Software Inc.
+ * Copyright 2005-2006 MontaVista Software 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
@@ -42,49 +42,36 @@ static void setup_scc1_ioports(void);
 static void setup_smc1_ioports(void);
 static void setup_smc2_ioports(void);
 
-static struct fs_mii_bus_info fec_mii_bus_info = {
-	.method = fsmii_fec,
-	.id = 0,
-};
-
-static struct fs_mii_bus_info scc_mii_bus_info = {
-	.method = fsmii_fixed,
-	.id = 0,
-	.i.fixed.speed = 10,
-	.i.fixed.duplex = 0,
-};
+static struct fs_mii_fec_platform_info	mpc8xx_mdio_fec_pdata;
 
-static struct fs_platform_info mpc8xx_fec_pdata[] = {
-	{
-	 .rx_ring = 128,
-	 .tx_ring = 16,
-	 .rx_copybreak = 240,
+static struct fs_mii_fec_platform_info mpc8xx_mdio_fec_pdata;
 
-	 .use_napi = 1,
-	 .napi_weight = 17,
+static struct fs_platform_info mpc8xx_enet_pdata[] = {
+	[fsid_fec1] = {
+		.rx_ring = 128,
+		.tx_ring = 16,
+		.rx_copybreak = 240,
 
-	 .phy_addr = 15,
-	 .phy_irq = -1,
+		.use_napi = 1,
+		.napi_weight = 17,
 
-	 .use_rmii = 0,
+		.init_ioports = setup_fec1_ioports,
 
-	 .bus_info = &fec_mii_bus_info,
-	 }
-};
+		.bus_id = "0:0f",
+		.has_phy = 1,
+	},
+	[fsid_scc1] = {
+		.rx_ring = 64,
+		.tx_ring = 8,
+		.rx_copybreak = 240,
+		.use_napi = 1,
+		.napi_weight = 17,
 
-static struct fs_platform_info mpc8xx_scc_pdata = {
-	.rx_ring = 64,
-	.tx_ring = 8,
-	.rx_copybreak = 240,
 
-	.use_napi = 1,
-	.napi_weight = 17,
-
-	.phy_addr = -1,
-	.phy_irq = -1,
-
-	.bus_info = &scc_mii_bus_info,
+		.init_ioports = setup_scc1_ioports,
 
+		.bus_id = "fixed@100:1",
+	},
 };
 
 static struct fs_uart_platform_info mpc866_uart_pdata[] = {
@@ -207,63 +194,6 @@ static void setup_scc1_ioports(void)
 
 }
 
-static void mpc866ads_fixup_enet_pdata(struct platform_device *pdev, int fs_no)
-{
-	struct fs_platform_info *fpi = pdev->dev.platform_data;
-
-	volatile cpm8xx_t *cp;
-	bd_t *bd = (bd_t *) __res;
-	char *e;
-	int i;
-
-	/* Get pointer to Communication Processor */
-	cp = cpmp;
-	switch (fs_no) {
-	case fsid_fec1:
-		fpi = &mpc8xx_fec_pdata[0];
-		fpi->init_ioports = &setup_fec1_ioports;
-
-		break;
-	case fsid_scc1:
-		fpi = &mpc8xx_scc_pdata;
-		fpi->init_ioports = &setup_scc1_ioports;
-
-		break;
-	default:
-		printk(KERN_WARNING"Device %s is not supported!\n", pdev->name);
-		return;
-	}
-
-	pdev->dev.platform_data = fpi;
-	fpi->fs_no = fs_no;
-
-	e = (unsigned char *)&bd->bi_enetaddr;
-	for (i = 0; i < 6; i++)
-		fpi->macaddr[i] = *e++;
-
-	fpi->macaddr[5 - pdev->id]++;
-
-}
-
-static void mpc866ads_fixup_fec_enet_pdata(struct platform_device *pdev,
-					   int idx)
-{
-	/* This is for FEC devices only */
-	if (!pdev || !pdev->name || (!strstr(pdev->name, "fsl-cpm-fec")))
-		return;
-	mpc866ads_fixup_enet_pdata(pdev, fsid_fec1 + pdev->id - 1);
-}
-
-static void mpc866ads_fixup_scc_enet_pdata(struct platform_device *pdev,
-					   int idx)
-{
-	/* This is for SCC devices only */
-	if (!pdev || !pdev->name || (!strstr(pdev->name, "fsl-cpm-scc")))
-		return;
-
-	mpc866ads_fixup_enet_pdata(pdev, fsid_scc1 + pdev->id - 1);
-}
-
 static void setup_smc1_ioports(void)
 {
 	immap_t *immap = (immap_t *) IMAP_ADDR;
@@ -315,6 +245,56 @@ static void setup_smc2_ioports(void)
 
 }
 
+static int ma_count = 0;
+
+static void mpc866ads_fixup_enet_pdata(struct platform_device *pdev, int fs_no)
+{
+	struct fs_platform_info *fpi;
+
+	volatile cpm8xx_t *cp;
+	bd_t *bd = (bd_t *) __res;
+	char *e;
+	int i;
+
+	/* Get pointer to Communication Processor */
+	cp = cpmp;
+
+	if(fs_no > ARRAY_SIZE(mpc8xx_enet_pdata)) {
+		printk(KERN_ERR"No network-suitable #%d device on bus", fs_no);
+		return;
+	}
+
+
+	fpi = &mpc8xx_enet_pdata[fs_no];
+	fpi->fs_no = fs_no;
+	pdev->dev.platform_data = fpi;
+
+	e = (unsigned char *)&bd->bi_enetaddr;
+	for (i = 0; i < 6; i++)
+		fpi->macaddr[i] = *e++;
+
+	fpi->macaddr[5] += ma_count++;
+}
+
+static void mpc866ads_fixup_fec_enet_pdata(struct platform_device *pdev,
+					   int idx)
+{
+	/* This is for FEC devices only */
+	if (!pdev || !pdev->name || (!strstr(pdev->name, "fsl-cpm-fec")))
+		return;
+	mpc866ads_fixup_enet_pdata(pdev, fsid_fec1 + pdev->id - 1);
+}
+
+static void mpc866ads_fixup_scc_enet_pdata(struct platform_device *pdev,
+					   int idx)
+{
+	/* This is for SCC devices only */
+	if (!pdev || !pdev->name || (!strstr(pdev->name, "fsl-cpm-scc")))
+		return;
+
+	mpc866ads_fixup_enet_pdata(pdev, fsid_scc1 + pdev->id - 1);
+}
+
 static void __init mpc866ads_fixup_uart_pdata(struct platform_device *pdev,
                                               int idx)
 {
@@ -359,6 +339,9 @@ static int mpc866ads_platform_notify(struct device *dev)
 
 int __init mpc866ads_init(void)
 {
+	bd_t *bd = (bd_t *) __res;
+	struct fs_mii_fec_platform_info* fmpi;
+
 	printk(KERN_NOTICE "mpc866ads: Init\n");
 
 	platform_notify = mpc866ads_platform_notify;
@@ -366,11 +349,20 @@ int __init mpc866ads_init(void)
 	ppc_sys_device_initfunc();
 	ppc_sys_device_disable_all();
 
-#ifdef MPC8xx_SECOND_ETH_SCC1
+#ifdef CONFIG_MPC8xx_SECOND_ETH_SCC1
 	ppc_sys_device_enable(MPC8xx_CPM_SCC1);
 #endif
 	ppc_sys_device_enable(MPC8xx_CPM_FEC1);
 
+	ppc_sys_device_enable(MPC8xx_MDIO_FEC);
+
+	fmpi = ppc_sys_platform_devices[MPC8xx_MDIO_FEC].dev.platform_data =
+		&mpc8xx_mdio_fec_pdata;
+
+	fmpi->mii_speed = ((((bd->bi_intfreq + 4999999) / 2500000) / 2) & 0x3F) << 1;
+	/* No PHY interrupt line here */
+	fmpi->irq[0xf] = -1;
+
 /* Since either of the uarts could be used as console, they need to ready */
 #ifdef CONFIG_SERIAL_CPM_SMC1
 	ppc_sys_device_enable(MPC8xx_CPM_SMC1);
@@ -381,6 +373,14 @@ int __init mpc866ads_init(void)
 	ppc_sys_device_enable(MPC8xx_CPM_SMC2);
 	ppc_sys_device_setfunc(MPC8xx_CPM_SMC2, PPC_SYS_FUNC_UART);
 #endif
+	ppc_sys_device_enable(MPC8xx_MDIO_FEC);
+
+	fmpi = ppc_sys_platform_devices[MPC8xx_MDIO_FEC].dev.platform_data =
+		&mpc8xx_mdio_fec_pdata;
+
+	fmpi->mii_speed = ((((bd->bi_intfreq + 4999999) / 2500000) / 2) & 0x3F) << 1;
+	/* No PHY interrupt line here */
+	fmpi->irq[0xf] = -1;
 
 	return 0;
 }
diff --git a/arch/ppc/platforms/mpc885ads_setup.c b/arch/ppc/platforms/mpc885ads_setup.c
index c1fc4a16fea9..5dfa4e6c2af0 100644
--- a/arch/ppc/platforms/mpc885ads_setup.c
+++ b/arch/ppc/platforms/mpc885ads_setup.c
@@ -38,7 +38,10 @@ extern unsigned char __res[];
 static void setup_smc1_ioports(void);
 static void setup_smc2_ioports(void);
 
-static void __init mpc885ads_scc_phy_init(char);
+static struct fs_mii_fec_platform_info	mpc8xx_mdio_fec_pdata;
+static void setup_fec1_ioports(void);
+static void setup_fec2_ioports(void);
+static void setup_scc3_ioports(void);
 
 static struct fs_uart_platform_info mpc885_uart_pdata[] = {
 	[fsid_smc1_uart] = {
@@ -61,23 +64,8 @@ static struct fs_uart_platform_info mpc885_uart_pdata[] = {
  	},
 };
 
-static struct fs_mii_bus_info fec_mii_bus_info = {
-	.method = fsmii_fec,
-	.id = 0,
-};
-
-static struct fs_mii_bus_info scc_mii_bus_info = {
-#ifdef CONFIG_SCC_ENET_8xx_FIXED
-	.method = fsmii_fixed,
-#else
-	.method = fsmii_fec,
-#endif
-
-	.id = 0,
-};
-
-static struct fs_platform_info mpc8xx_fec_pdata[] = {
-	{
+static struct fs_platform_info mpc8xx_enet_pdata[] = {
+	[fsid_fec1] = {
 	 .rx_ring = 128,
 	 .tx_ring = 16,
 	 .rx_copybreak = 240,
@@ -85,11 +73,12 @@ static struct fs_platform_info mpc8xx_fec_pdata[] = {
 	 .use_napi = 1,
 	 .napi_weight = 17,
 
-	 .phy_addr = 0,
-	 .phy_irq = SIU_IRQ7,
+	 .init_ioports = setup_fec1_ioports,
 
-	 .bus_info = &fec_mii_bus_info,
-	 }, {
+          .bus_id = "0:00",
+          .has_phy = 1,
+	 },
+	[fsid_fec2] = {
 	     .rx_ring = 128,
 	     .tx_ring = 16,
 	     .rx_copybreak = 240,
@@ -97,35 +86,32 @@ static struct fs_platform_info mpc8xx_fec_pdata[] = {
 	     .use_napi = 1,
 	     .napi_weight = 17,
 
-	     .phy_addr = 1,
-	     .phy_irq = SIU_IRQ7,
-
-	     .bus_info = &fec_mii_bus_info,
-	     }
-};
+	     .init_ioports = setup_fec2_ioports,
 
-static struct fs_platform_info mpc8xx_scc_pdata = {
-	.rx_ring = 64,
-	.tx_ring = 8,
-	.rx_copybreak = 240,
+ 	     .bus_id = "0:01",
+ 	     .has_phy = 1,
+	     },
+	[fsid_scc3] = {
+		.rx_ring = 64,
+		.tx_ring = 8,
+		.rx_copybreak = 240,
 
-	.use_napi = 1,
-	.napi_weight = 17,
+		.use_napi = 1,
+		.napi_weight = 17,
 
-	.phy_addr = 2,
-#ifdef CONFIG_MPC8xx_SCC_ENET_FIXED
-	.phy_irq = -1,
+		.init_ioports = setup_scc3_ioports,
+#ifdef CONFIG_FIXED_MII_10_FDX
+		.bus_id = "fixed@100:1",
 #else
-	.phy_irq = SIU_IRQ7,
-#endif
-
-	.bus_info = &scc_mii_bus_info,
+		.bus_id = "0:02",
+ #endif
+	},
 };
 
 void __init board_init(void)
 {
-	volatile cpm8xx_t *cp = cpmp;
-	unsigned int *bcsr_io;
+	cpm8xx_t *cp = cpmp;
+ 	unsigned int *bcsr_io;
 
 #ifdef CONFIG_FS_ENET
 	immap_t *immap = (immap_t *) IMAP_ADDR;
@@ -164,6 +150,14 @@ void __init board_init(void)
 	/* use MDC for MII (common) */
 	setbits16(&immap->im_ioport.iop_pdpar, 0x0080);
 	clrbits16(&immap->im_ioport.iop_pddir, 0x0080);
+	bcsr_io = ioremap(BCSR5, sizeof(unsigned long));
+	clrbits32(bcsr_io,BCSR5_MII1_EN);
+	clrbits32(bcsr_io,BCSR5_MII1_RST);
+#ifdef CONFIG_MPC8xx_SECOND_ETH_FEC2
+	clrbits32(bcsr_io,BCSR5_MII2_EN);
+	clrbits32(bcsr_io,BCSR5_MII2_RST);
+#endif
+	iounmap(bcsr_io);
 #endif
 }
 
@@ -194,8 +188,8 @@ static void setup_fec2_ioports(void)
 	/* configure FEC2 pins */
 	setbits32(&immap->im_cpm.cp_pepar, 0x0003fffc);
 	setbits32(&immap->im_cpm.cp_pedir, 0x0003fffc);
-	setbits32(&immap->im_cpm.cp_peso, 0x00037800);
 	clrbits32(&immap->im_cpm.cp_peso, 0x000087fc);
+	setbits32(&immap->im_cpm.cp_peso, 0x00037800);
 	clrbits32(&immap->im_cpm.cp_cptr, 0x00000080);
 }
 
@@ -213,6 +207,8 @@ static void setup_scc3_ioports(void)
 
 	/* Enable the PHY.
 	 */
+	clrbits32(bcsr_io+4, BCSR4_ETH10_RST);
+	udelay(1000);
 	setbits32(bcsr_io+4, BCSR4_ETH10_RST);
 	/* Configure port A pins for Txd and Rxd.
 	 */
@@ -254,37 +250,38 @@ static void setup_scc3_ioports(void)
 	clrbits32(&immap->im_cpm.cp_pedir, PE_ENET_TENA);
 	setbits32(&immap->im_cpm.cp_peso, PE_ENET_TENA);
 
-	setbits32(bcsr_io+1, BCSR1_ETHEN);
+	setbits32(bcsr_io+4, BCSR1_ETHEN);
 	iounmap(bcsr_io);
 }
 
+static int mac_count = 0;
+
 static void mpc885ads_fixup_enet_pdata(struct platform_device *pdev, int fs_no)
 {
-	struct fs_platform_info *fpi = pdev->dev.platform_data;
-
-	volatile cpm8xx_t *cp;
+ 	struct fs_platform_info *fpi;
 	bd_t *bd = (bd_t *) __res;
 	char *e;
 	int i;
 
-	/* Get pointer to Communication Processor */
-	cp = cpmp;
+	if(fs_no > ARRAY_SIZE(mpc8xx_enet_pdata)) {
+		printk(KERN_ERR"No network-suitable #%d device on bus", fs_no);
+		return;
+	}
+
+	fpi = &mpc8xx_enet_pdata[fs_no];
+
 	switch (fs_no) {
 	case fsid_fec1:
-		fpi = &mpc8xx_fec_pdata[0];
 		fpi->init_ioports = &setup_fec1_ioports;
 		break;
 	case fsid_fec2:
-		fpi = &mpc8xx_fec_pdata[1];
 		fpi->init_ioports = &setup_fec2_ioports;
 		break;
 	case fsid_scc3:
-		fpi = &mpc8xx_scc_pdata;
 		fpi->init_ioports = &setup_scc3_ioports;
-		mpc885ads_scc_phy_init(fpi->phy_addr);
 		break;
 	default:
-    	        printk(KERN_WARNING"Device %s is not supported!\n", pdev->name);
+    	        printk(KERN_WARNING "Device %s is not supported!\n", pdev->name);
 	        return;
 	}
 
@@ -295,7 +292,7 @@ static void mpc885ads_fixup_enet_pdata(struct platform_device *pdev, int fs_no)
 	for (i = 0; i < 6; i++)
 		fpi->macaddr[i] = *e++;
 
-	fpi->macaddr[5 - pdev->id]++;
+	fpi->macaddr[5] += mac_count++;
 
 }
 
@@ -318,58 +315,6 @@ static void __init mpc885ads_fixup_scc_enet_pdata(struct platform_device *pdev,
 	mpc885ads_fixup_enet_pdata(pdev, fsid_scc1 + pdev->id - 1);
 }
 
-/* SCC ethernet controller does not have MII management channel. FEC1 MII
- * channel is used to communicate with the 10Mbit PHY.
- */
-
-#define MII_ECNTRL_PINMUX        0x4
-#define FEC_ECNTRL_PINMUX        0x00000004
-#define FEC_RCNTRL_MII_MODE        0x00000004
-
-/* Make MII read/write commands.
- */
-#define mk_mii_write(REG, VAL, PHY_ADDR)    (0x50020000 | (((REG) & 0x1f) << 18) | \
-                ((VAL) & 0xffff) | ((PHY_ADDR) << 23))
-
-static void mpc885ads_scc_phy_init(char phy_addr)
-{
-	volatile immap_t *immap;
-	volatile fec_t *fecp;
-	bd_t *bd;
-
-	bd = (bd_t *) __res;
-	immap = (immap_t *) IMAP_ADDR;	/* pointer to internal registers */
-	fecp = &(immap->im_cpm.cp_fec);
-
-	/* Enable MII pins of the FEC1
-	 */
-	setbits16(&immap->im_ioport.iop_pdpar, 0x0080);
-	clrbits16(&immap->im_ioport.iop_pddir, 0x0080);
-	/* Set MII speed to 2.5 MHz
-	 */
-	out_be32(&fecp->fec_mii_speed,
-		 ((((bd->bi_intfreq + 4999999) / 2500000) / 2) & 0x3F) << 1);
-
-	/* Enable FEC pin MUX
-	 */
-	setbits32(&fecp->fec_ecntrl, MII_ECNTRL_PINMUX);
-	setbits32(&fecp->fec_r_cntrl, FEC_RCNTRL_MII_MODE);
-
-	out_be32(&fecp->fec_mii_data,
-		 mk_mii_write(MII_BMCR, BMCR_ISOLATE, phy_addr));
-	udelay(100);
-	out_be32(&fecp->fec_mii_data,
-		 mk_mii_write(MII_ADVERTISE,
-			      ADVERTISE_10HALF | ADVERTISE_CSMA, phy_addr));
-	udelay(100);
-
-	/* Disable FEC MII settings
-	 */
-	clrbits32(&fecp->fec_ecntrl, MII_ECNTRL_PINMUX);
-	clrbits32(&fecp->fec_r_cntrl, FEC_RCNTRL_MII_MODE);
-	out_be32(&fecp->fec_mii_speed, 0);
-}
-
 static void setup_smc1_ioports(void)
 {
         immap_t *immap = (immap_t *) IMAP_ADDR;
@@ -462,6 +407,9 @@ static int mpc885ads_platform_notify(struct device *dev)
 
 int __init mpc885ads_init(void)
 {
+	struct fs_mii_fec_platform_info* fmpi;
+	bd_t *bd = (bd_t *) __res;
+
 	printk(KERN_NOTICE "mpc885ads: Init\n");
 
 	platform_notify = mpc885ads_platform_notify;
@@ -471,8 +419,17 @@ int __init mpc885ads_init(void)
 
 	ppc_sys_device_enable(MPC8xx_CPM_FEC1);
 
+	ppc_sys_device_enable(MPC8xx_MDIO_FEC);
+	fmpi = ppc_sys_platform_devices[MPC8xx_MDIO_FEC].dev.platform_data =
+		&mpc8xx_mdio_fec_pdata;
+
+	fmpi->mii_speed = ((((bd->bi_intfreq + 4999999) / 2500000) / 2) & 0x3F) << 1;
+
+	/* No PHY interrupt line here */
+	fmpi->irq[0xf] = SIU_IRQ7;
+
 #ifdef CONFIG_MPC8xx_SECOND_ETH_SCC3
-	ppc_sys_device_enable(MPC8xx_CPM_SCC1);
+	ppc_sys_device_enable(MPC8xx_CPM_SCC3);
 
 #endif
 #ifdef CONFIG_MPC8xx_SECOND_ETH_FEC2
diff --git a/arch/ppc/platforms/pq2ads_pd.h b/arch/ppc/platforms/pq2ads_pd.h
index 8f14a43eafec..672483df8079 100644
--- a/arch/ppc/platforms/pq2ads_pd.h
+++ b/arch/ppc/platforms/pq2ads_pd.h
@@ -29,86 +29,4 @@
 #define F3_RXCLK	13
 #define F3_TXCLK	14
 
-/* Automatically generates register configurations */
-#define PC_CLK(x)	((uint)(1<<(x-1)))	/* FCC CLK I/O ports */
-
-#define CMXFCR_RF1CS(x)	((uint)((x-5)<<27))	/* FCC1 Receive Clock Source */
-#define CMXFCR_TF1CS(x)	((uint)((x-5)<<24))	/* FCC1 Transmit Clock Source */
-#define CMXFCR_RF2CS(x)	((uint)((x-9)<<19))	/* FCC2 Receive Clock Source */
-#define CMXFCR_TF2CS(x) ((uint)((x-9)<<16))	/* FCC2 Transmit Clock Source */
-#define CMXFCR_RF3CS(x)	((uint)((x-9)<<11))	/* FCC3 Receive Clock Source */
-#define CMXFCR_TF3CS(x) ((uint)((x-9)<<8))	/* FCC3 Transmit Clock Source */
-
-#define PC_F1RXCLK	PC_CLK(F1_RXCLK)
-#define PC_F1TXCLK	PC_CLK(F1_TXCLK)
-#define CMX1_CLK_ROUTE	(CMXFCR_RF1CS(F1_RXCLK) | CMXFCR_TF1CS(F1_TXCLK))
-#define CMX1_CLK_MASK	((uint)0xff000000)
-
-#define PC_F2RXCLK	PC_CLK(F2_RXCLK)
-#define PC_F2TXCLK	PC_CLK(F2_TXCLK)
-#define CMX2_CLK_ROUTE	(CMXFCR_RF2CS(F2_RXCLK) | CMXFCR_TF2CS(F2_TXCLK))
-#define CMX2_CLK_MASK	((uint)0x00ff0000)
-
-#define PC_F3RXCLK	PC_CLK(F3_RXCLK)
-#define PC_F3TXCLK	PC_CLK(F3_TXCLK)
-#define CMX3_CLK_ROUTE	(CMXFCR_RF3CS(F3_RXCLK) | CMXFCR_TF3CS(F3_TXCLK))
-#define CMX3_CLK_MASK	((uint)0x0000ff00)
-
-/* I/O Pin assignment for FCC1.  I don't yet know the best way to do this,
- * but there is little variation among the choices.
- */
-#define PA1_COL		0x00000001U
-#define PA1_CRS		0x00000002U
-#define PA1_TXER	0x00000004U
-#define PA1_TXEN	0x00000008U
-#define PA1_RXDV	0x00000010U
-#define PA1_RXER	0x00000020U
-#define PA1_TXDAT	0x00003c00U
-#define PA1_RXDAT	0x0003c000U
-#define PA1_PSORA0	(PA1_RXDAT | PA1_TXDAT)
-#define PA1_PSORA1	(PA1_COL | PA1_CRS | PA1_TXER | PA1_TXEN | \
-		PA1_RXDV | PA1_RXER)
-#define PA1_DIRA0	(PA1_RXDAT | PA1_CRS | PA1_COL | PA1_RXER | PA1_RXDV)
-#define PA1_DIRA1	(PA1_TXDAT | PA1_TXEN | PA1_TXER)
-
-
-/* I/O Pin assignment for FCC2.  I don't yet know the best way to do this,
- * but there is little variation among the choices.
- */
-#define PB2_TXER	0x00000001U
-#define PB2_RXDV	0x00000002U
-#define PB2_TXEN	0x00000004U
-#define PB2_RXER	0x00000008U
-#define PB2_COL		0x00000010U
-#define PB2_CRS		0x00000020U
-#define PB2_TXDAT	0x000003c0U
-#define PB2_RXDAT	0x00003c00U
-#define PB2_PSORB0	(PB2_RXDAT | PB2_TXDAT | PB2_CRS | PB2_COL | \
-		PB2_RXER | PB2_RXDV | PB2_TXER)
-#define PB2_PSORB1	(PB2_TXEN)
-#define PB2_DIRB0	(PB2_RXDAT | PB2_CRS | PB2_COL | PB2_RXER | PB2_RXDV)
-#define PB2_DIRB1	(PB2_TXDAT | PB2_TXEN | PB2_TXER)
-
-
-/* I/O Pin assignment for FCC3.  I don't yet know the best way to do this,
- * but there is little variation among the choices.
- */
-#define PB3_RXDV	0x00004000U
-#define PB3_RXER	0x00008000U
-#define PB3_TXER	0x00010000U
-#define PB3_TXEN	0x00020000U
-#define PB3_COL		0x00040000U
-#define PB3_CRS		0x00080000U
-#define PB3_TXDAT	0x0f000000U
-#define PB3_RXDAT	0x00f00000U
-#define PB3_PSORB0	(PB3_RXDAT | PB3_TXDAT | PB3_CRS | PB3_COL | \
-		PB3_RXER | PB3_RXDV | PB3_TXER | PB3_TXEN)
-#define PB3_PSORB1	0
-#define PB3_DIRB0	(PB3_RXDAT | PB3_CRS | PB3_COL | PB3_RXER | PB3_RXDV)
-#define PB3_DIRB1	(PB3_TXDAT | PB3_TXEN | PB3_TXER)
-
-#define FCC_MEM_OFFSET(x) (CPM_FCC_SPECIAL_BASE + (x*128))
-#define FCC1_MEM_OFFSET FCC_MEM_OFFSET(0)
-#define FCC2_MEM_OFFSET FCC_MEM_OFFSET(1)
-
 #endif
diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile
index 2497bbc07e76..dca23f2ef851 100644
--- a/arch/ppc/syslib/Makefile
+++ b/arch/ppc/syslib/Makefile
@@ -93,7 +93,7 @@ obj-$(CONFIG_PCI)		+= pci_auto.o
 endif
 obj-$(CONFIG_RAPIDIO)		+= ppc85xx_rio.o
 obj-$(CONFIG_83xx)		+= ppc83xx_setup.o ppc_sys.o \
-					mpc83xx_sys.o mpc83xx_devices.o
+					mpc83xx_sys.o mpc83xx_devices.o ipic.o
 ifeq ($(CONFIG_83xx),y)
 obj-$(CONFIG_PCI)		+= pci_auto.o
 endif
diff --git a/arch/ppc/syslib/ipic.c b/arch/ppc/syslib/ipic.c
new file mode 100644
index 000000000000..46801f5ec03f
--- /dev/null
+++ b/arch/ppc/syslib/ipic.c
@@ -0,0 +1,646 @@
+/*
+ * include/asm-ppc/ipic.c
+ *
+ * IPIC routines implementations.
+ *
+ * Copyright 2005 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/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/reboot.h>
+#include <linux/slab.h>
+#include <linux/stddef.h>
+#include <linux/sched.h>
+#include <linux/signal.h>
+#include <linux/sysdev.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <asm/ipic.h>
+#include <asm/mpc83xx.h>
+
+#include "ipic.h"
+
+static struct ipic p_ipic;
+static struct ipic * primary_ipic;
+
+static struct ipic_info ipic_info[] = {
+	[9] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_H,
+		.prio	= IPIC_SIPRR_D,
+		.force	= IPIC_SIFCR_H,
+		.bit	= 24,
+		.prio_mask = 0,
+	},
+	[10] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_H,
+		.prio	= IPIC_SIPRR_D,
+		.force	= IPIC_SIFCR_H,
+		.bit	= 25,
+		.prio_mask = 1,
+	},
+	[11] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_H,
+		.prio	= IPIC_SIPRR_D,
+		.force	= IPIC_SIFCR_H,
+		.bit	= 26,
+		.prio_mask = 2,
+	},
+	[14] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_H,
+		.prio	= IPIC_SIPRR_D,
+		.force	= IPIC_SIFCR_H,
+		.bit	= 29,
+		.prio_mask = 5,
+	},
+	[15] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_H,
+		.prio	= IPIC_SIPRR_D,
+		.force	= IPIC_SIFCR_H,
+		.bit	= 30,
+		.prio_mask = 6,
+	},
+	[16] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_H,
+		.prio	= IPIC_SIPRR_D,
+		.force	= IPIC_SIFCR_H,
+		.bit	= 31,
+		.prio_mask = 7,
+	},
+	[17] = {
+		.pend	= IPIC_SEPNR,
+		.mask	= IPIC_SEMSR,
+		.prio	= IPIC_SMPRR_A,
+		.force	= IPIC_SEFCR,
+		.bit	= 1,
+		.prio_mask = 5,
+	},
+	[18] = {
+		.pend	= IPIC_SEPNR,
+		.mask	= IPIC_SEMSR,
+		.prio	= IPIC_SMPRR_A,
+		.force	= IPIC_SEFCR,
+		.bit	= 2,
+		.prio_mask = 6,
+	},
+	[19] = {
+		.pend	= IPIC_SEPNR,
+		.mask	= IPIC_SEMSR,
+		.prio	= IPIC_SMPRR_A,
+		.force	= IPIC_SEFCR,
+		.bit	= 3,
+		.prio_mask = 7,
+	},
+	[20] = {
+		.pend	= IPIC_SEPNR,
+		.mask	= IPIC_SEMSR,
+		.prio	= IPIC_SMPRR_B,
+		.force	= IPIC_SEFCR,
+		.bit	= 4,
+		.prio_mask = 4,
+	},
+	[21] = {
+		.pend	= IPIC_SEPNR,
+		.mask	= IPIC_SEMSR,
+		.prio	= IPIC_SMPRR_B,
+		.force	= IPIC_SEFCR,
+		.bit	= 5,
+		.prio_mask = 5,
+	},
+	[22] = {
+		.pend	= IPIC_SEPNR,
+		.mask	= IPIC_SEMSR,
+		.prio	= IPIC_SMPRR_B,
+		.force	= IPIC_SEFCR,
+		.bit	= 6,
+		.prio_mask = 6,
+	},
+	[23] = {
+		.pend	= IPIC_SEPNR,
+		.mask	= IPIC_SEMSR,
+		.prio	= IPIC_SMPRR_B,
+		.force	= IPIC_SEFCR,
+		.bit	= 7,
+		.prio_mask = 7,
+	},
+	[32] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_H,
+		.prio	= IPIC_SIPRR_A,
+		.force	= IPIC_SIFCR_H,
+		.bit	= 0,
+		.prio_mask = 0,
+	},
+	[33] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_H,
+		.prio	= IPIC_SIPRR_A,
+		.force	= IPIC_SIFCR_H,
+		.bit	= 1,
+		.prio_mask = 1,
+	},
+	[34] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_H,
+		.prio	= IPIC_SIPRR_A,
+		.force	= IPIC_SIFCR_H,
+		.bit	= 2,
+		.prio_mask = 2,
+	},
+	[35] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_H,
+		.prio	= IPIC_SIPRR_A,
+		.force	= IPIC_SIFCR_H,
+		.bit	= 3,
+		.prio_mask = 3,
+	},
+	[36] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_H,
+		.prio	= IPIC_SIPRR_A,
+		.force	= IPIC_SIFCR_H,
+		.bit	= 4,
+		.prio_mask = 4,
+	},
+	[37] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_H,
+		.prio	= IPIC_SIPRR_A,
+		.force	= IPIC_SIFCR_H,
+		.bit	= 5,
+		.prio_mask = 5,
+	},
+	[38] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_H,
+		.prio	= IPIC_SIPRR_A,
+		.force	= IPIC_SIFCR_H,
+		.bit	= 6,
+		.prio_mask = 6,
+	},
+	[39] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_H,
+		.prio	= IPIC_SIPRR_A,
+		.force	= IPIC_SIFCR_H,
+		.bit	= 7,
+		.prio_mask = 7,
+	},
+	[48] = {
+		.pend	= IPIC_SEPNR,
+		.mask	= IPIC_SEMSR,
+		.prio	= IPIC_SMPRR_A,
+		.force	= IPIC_SEFCR,
+		.bit	= 0,
+		.prio_mask = 4,
+	},
+	[64] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= IPIC_SMPRR_A,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 0,
+		.prio_mask = 0,
+	},
+	[65] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= IPIC_SMPRR_A,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 1,
+		.prio_mask = 1,
+	},
+	[66] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= IPIC_SMPRR_A,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 2,
+		.prio_mask = 2,
+	},
+	[67] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= IPIC_SMPRR_A,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 3,
+		.prio_mask = 3,
+	},
+	[68] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= IPIC_SMPRR_B,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 4,
+		.prio_mask = 0,
+	},
+	[69] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= IPIC_SMPRR_B,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 5,
+		.prio_mask = 1,
+	},
+	[70] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= IPIC_SMPRR_B,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 6,
+		.prio_mask = 2,
+	},
+	[71] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= IPIC_SMPRR_B,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 7,
+		.prio_mask = 3,
+	},
+	[72] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= 0,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 8,
+	},
+	[73] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= 0,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 9,
+	},
+	[74] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= 0,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 10,
+	},
+	[75] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= 0,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 11,
+	},
+	[76] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= 0,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 12,
+	},
+	[77] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= 0,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 13,
+	},
+	[78] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= 0,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 14,
+	},
+	[79] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= 0,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 15,
+	},
+	[80] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= 0,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 16,
+	},
+	[84] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= 0,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 20,
+	},
+	[85] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= 0,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 21,
+	},
+	[90] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= 0,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 26,
+	},
+	[91] = {
+		.pend	= IPIC_SIPNR_H,
+		.mask	= IPIC_SIMSR_L,
+		.prio	= 0,
+		.force	= IPIC_SIFCR_L,
+		.bit	= 27,
+	},
+};
+
+static inline u32 ipic_read(volatile u32 __iomem *base, unsigned int reg)
+{
+	return in_be32(base + (reg >> 2));
+}
+
+static inline void ipic_write(volatile u32 __iomem *base, unsigned int reg, u32 value)
+{
+	out_be32(base + (reg >> 2), value);
+}
+
+static inline struct ipic * ipic_from_irq(unsigned int irq)
+{
+	return primary_ipic;
+}
+
+static void ipic_enable_irq(unsigned int irq)
+{
+	struct ipic *ipic = ipic_from_irq(irq);
+	unsigned int src = irq - ipic->irq_offset;
+	u32 temp;
+
+	temp = ipic_read(ipic->regs, ipic_info[src].mask);
+	temp |= (1 << (31 - ipic_info[src].bit));
+	ipic_write(ipic->regs, ipic_info[src].mask, temp);
+}
+
+static void ipic_disable_irq(unsigned int irq)
+{
+	struct ipic *ipic = ipic_from_irq(irq);
+	unsigned int src = irq - ipic->irq_offset;
+	u32 temp;
+
+	temp = ipic_read(ipic->regs, ipic_info[src].mask);
+	temp &= ~(1 << (31 - ipic_info[src].bit));
+	ipic_write(ipic->regs, ipic_info[src].mask, temp);
+}
+
+static void ipic_disable_irq_and_ack(unsigned int irq)
+{
+	struct ipic *ipic = ipic_from_irq(irq);
+	unsigned int src = irq - ipic->irq_offset;
+	u32 temp;
+
+	ipic_disable_irq(irq);
+
+	temp = ipic_read(ipic->regs, ipic_info[src].pend);
+	temp |= (1 << (31 - ipic_info[src].bit));
+	ipic_write(ipic->regs, ipic_info[src].pend, temp);
+}
+
+static void ipic_end_irq(unsigned int irq)
+{
+	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
+		ipic_enable_irq(irq);
+}
+
+struct hw_interrupt_type ipic = {
+	.typename = " IPIC  ",
+	.enable = ipic_enable_irq,
+	.disable = ipic_disable_irq,
+	.ack = ipic_disable_irq_and_ack,
+	.end = ipic_end_irq,
+};
+
+void __init ipic_init(phys_addr_t phys_addr,
+		unsigned int flags,
+		unsigned int irq_offset,
+		unsigned char *senses,
+		unsigned int senses_count)
+{
+	u32 i, temp = 0;
+
+	primary_ipic = &p_ipic;
+	primary_ipic->regs = ioremap(phys_addr, MPC83xx_IPIC_SIZE);
+
+	primary_ipic->irq_offset = irq_offset;
+
+	ipic_write(primary_ipic->regs, IPIC_SICNR, 0x0);
+
+	/* default priority scheme is grouped. If spread mode is required
+	 * configure SICFR accordingly */
+	if (flags & IPIC_SPREADMODE_GRP_A)
+		temp |= SICFR_IPSA;
+	if (flags & IPIC_SPREADMODE_GRP_D)
+		temp |= SICFR_IPSD;
+	if (flags & IPIC_SPREADMODE_MIX_A)
+		temp |= SICFR_MPSA;
+	if (flags & IPIC_SPREADMODE_MIX_B)
+		temp |= SICFR_MPSB;
+
+	ipic_write(primary_ipic->regs, IPIC_SICNR, temp);
+
+	/* handle MCP route */
+	temp = 0;
+	if (flags & IPIC_DISABLE_MCP_OUT)
+		temp = SERCR_MCPR;
+	ipic_write(primary_ipic->regs, IPIC_SERCR, temp);
+
+	/* handle routing of IRQ0 to MCP */
+	temp = ipic_read(primary_ipic->regs, IPIC_SEMSR);
+
+	if (flags & IPIC_IRQ0_MCP)
+		temp |= SEMSR_SIRQ0;
+	else
+		temp &= ~SEMSR_SIRQ0;
+
+	ipic_write(primary_ipic->regs, IPIC_SEMSR, temp);
+
+	for (i = 0 ; i < NR_IPIC_INTS ; i++) {
+		irq_desc[i+irq_offset].chip = &ipic;
+		irq_desc[i+irq_offset].status = IRQ_LEVEL;
+	}
+
+	temp = 0;
+	for (i = 0 ; i < senses_count ; i++) {
+		if ((senses[i] & IRQ_SENSE_MASK) == IRQ_SENSE_EDGE) {
+			temp |= 1 << (15 - i);
+			if (i != 0)
+				irq_desc[i + irq_offset + MPC83xx_IRQ_EXT1 - 1].status = 0;
+			else
+				irq_desc[irq_offset + MPC83xx_IRQ_EXT0].status = 0;
+		}
+	}
+	ipic_write(primary_ipic->regs, IPIC_SECNR, temp);
+
+	printk ("IPIC (%d IRQ sources, %d External IRQs) at %p\n", NR_IPIC_INTS,
+			senses_count, primary_ipic->regs);
+}
+
+int ipic_set_priority(unsigned int irq, unsigned int priority)
+{
+	struct ipic *ipic = ipic_from_irq(irq);
+	unsigned int src = irq - ipic->irq_offset;
+	u32 temp;
+
+	if (priority > 7)
+		return -EINVAL;
+	if (src > 127)
+		return -EINVAL;
+	if (ipic_info[src].prio == 0)
+		return -EINVAL;
+
+	temp = ipic_read(ipic->regs, ipic_info[src].prio);
+
+	if (priority < 4) {
+		temp &= ~(0x7 << (20 + (3 - priority) * 3));
+		temp |= ipic_info[src].prio_mask << (20 + (3 - priority) * 3);
+	} else {
+		temp &= ~(0x7 << (4 + (7 - priority) * 3));
+		temp |= ipic_info[src].prio_mask << (4 + (7 - priority) * 3);
+	}
+
+	ipic_write(ipic->regs, ipic_info[src].prio, temp);
+
+	return 0;
+}
+
+void ipic_set_highest_priority(unsigned int irq)
+{
+	struct ipic *ipic = ipic_from_irq(irq);
+	unsigned int src = irq - ipic->irq_offset;
+	u32 temp;
+
+	temp = ipic_read(ipic->regs, IPIC_SICFR);
+
+	/* clear and set HPI */
+	temp &= 0x7f000000;
+	temp |= (src & 0x7f) << 24;
+
+	ipic_write(ipic->regs, IPIC_SICFR, temp);
+}
+
+void ipic_set_default_priority(void)
+{
+	ipic_set_priority(MPC83xx_IRQ_TSEC1_TX, 0);
+	ipic_set_priority(MPC83xx_IRQ_TSEC1_RX, 1);
+	ipic_set_priority(MPC83xx_IRQ_TSEC1_ERROR, 2);
+	ipic_set_priority(MPC83xx_IRQ_TSEC2_TX, 3);
+	ipic_set_priority(MPC83xx_IRQ_TSEC2_RX, 4);
+	ipic_set_priority(MPC83xx_IRQ_TSEC2_ERROR, 5);
+	ipic_set_priority(MPC83xx_IRQ_USB2_DR, 6);
+	ipic_set_priority(MPC83xx_IRQ_USB2_MPH, 7);
+
+	ipic_set_priority(MPC83xx_IRQ_UART1, 0);
+	ipic_set_priority(MPC83xx_IRQ_UART2, 1);
+	ipic_set_priority(MPC83xx_IRQ_SEC2, 2);
+	ipic_set_priority(MPC83xx_IRQ_IIC1, 5);
+	ipic_set_priority(MPC83xx_IRQ_IIC2, 6);
+	ipic_set_priority(MPC83xx_IRQ_SPI, 7);
+	ipic_set_priority(MPC83xx_IRQ_RTC_SEC, 0);
+	ipic_set_priority(MPC83xx_IRQ_PIT, 1);
+	ipic_set_priority(MPC83xx_IRQ_PCI1, 2);
+	ipic_set_priority(MPC83xx_IRQ_PCI2, 3);
+	ipic_set_priority(MPC83xx_IRQ_EXT0, 4);
+	ipic_set_priority(MPC83xx_IRQ_EXT1, 5);
+	ipic_set_priority(MPC83xx_IRQ_EXT2, 6);
+	ipic_set_priority(MPC83xx_IRQ_EXT3, 7);
+	ipic_set_priority(MPC83xx_IRQ_RTC_ALR, 0);
+	ipic_set_priority(MPC83xx_IRQ_MU, 1);
+	ipic_set_priority(MPC83xx_IRQ_SBA, 2);
+	ipic_set_priority(MPC83xx_IRQ_DMA, 3);
+	ipic_set_priority(MPC83xx_IRQ_EXT4, 4);
+	ipic_set_priority(MPC83xx_IRQ_EXT5, 5);
+	ipic_set_priority(MPC83xx_IRQ_EXT6, 6);
+	ipic_set_priority(MPC83xx_IRQ_EXT7, 7);
+}
+
+void ipic_enable_mcp(enum ipic_mcp_irq mcp_irq)
+{
+	struct ipic *ipic = primary_ipic;
+	u32 temp;
+
+	temp = ipic_read(ipic->regs, IPIC_SERMR);
+	temp |= (1 << (31 - mcp_irq));
+	ipic_write(ipic->regs, IPIC_SERMR, temp);
+}
+
+void ipic_disable_mcp(enum ipic_mcp_irq mcp_irq)
+{
+	struct ipic *ipic = primary_ipic;
+	u32 temp;
+
+	temp = ipic_read(ipic->regs, IPIC_SERMR);
+	temp &= (1 << (31 - mcp_irq));
+	ipic_write(ipic->regs, IPIC_SERMR, temp);
+}
+
+u32 ipic_get_mcp_status(void)
+{
+	return ipic_read(primary_ipic->regs, IPIC_SERMR);
+}
+
+void ipic_clear_mcp_status(u32 mask)
+{
+	ipic_write(primary_ipic->regs, IPIC_SERMR, mask);
+}
+
+/* Return an interrupt vector or -1 if no interrupt is pending. */
+int ipic_get_irq(struct pt_regs *regs)
+{
+	int irq;
+
+	irq = ipic_read(primary_ipic->regs, IPIC_SIVCR) & 0x7f;
+
+	if (irq == 0)    /* 0 --> no irq is pending */
+		irq = -1;
+
+	return irq;
+}
+
+static struct sysdev_class ipic_sysclass = {
+	set_kset_name("ipic"),
+};
+
+static struct sys_device device_ipic = {
+	.id		= 0,
+	.cls		= &ipic_sysclass,
+};
+
+static int __init init_ipic_sysfs(void)
+{
+	int rc;
+
+	if (!primary_ipic->regs)
+		return -ENODEV;
+	printk(KERN_DEBUG "Registering ipic with sysfs...\n");
+
+	rc = sysdev_class_register(&ipic_sysclass);
+	if (rc) {
+		printk(KERN_ERR "Failed registering ipic sys class\n");
+		return -ENODEV;
+	}
+	rc = sysdev_register(&device_ipic);
+	if (rc) {
+		printk(KERN_ERR "Failed registering ipic sys device\n");
+		return -ENODEV;
+	}
+	return 0;
+}
+
+subsys_initcall(init_ipic_sysfs);
diff --git a/arch/ppc/syslib/ipic.h b/arch/ppc/syslib/ipic.h
new file mode 100644
index 000000000000..a60c9d18bb7f
--- /dev/null
+++ b/arch/ppc/syslib/ipic.h
@@ -0,0 +1,47 @@
+/*
+ * IPIC private definitions and structure.
+ *
+ * Maintainer: Kumar Gala <galak@kernel.crashing.org>
+ *
+ * Copyright 2005 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.
+ */
+#ifndef __IPIC_H__
+#define __IPIC_H__
+
+#include <asm/ipic.h>
+
+#define MPC83xx_IPIC_SIZE	(0x00100)
+
+/* System Global Interrupt Configuration Register */
+#define	SICFR_IPSA	0x00010000
+#define	SICFR_IPSD	0x00080000
+#define	SICFR_MPSA	0x00200000
+#define	SICFR_MPSB	0x00400000
+
+/* System External Interrupt Mask Register */
+#define	SEMSR_SIRQ0	0x00008000
+
+/* System Error Control Register */
+#define SERCR_MCPR	0x00000001
+
+struct ipic {
+	volatile u32 __iomem	*regs;
+	unsigned int		irq_offset;
+};
+
+struct ipic_info {
+	u8	pend;		/* pending register offset from base */
+	u8	mask;		/* mask register offset from base */
+	u8	prio;		/* priority register offset from base */
+	u8	force;		/* force register offset from base */
+	u8	bit;		/* register bit position (as per doc)
+				   bit mask = 1 << (31 - bit) */
+	u8	prio_mask;	/* priority mask value */
+};
+
+#endif /* __IPIC_H__ */
diff --git a/arch/ppc/syslib/mpc85xx_devices.c b/arch/ppc/syslib/mpc85xx_devices.c
index 7735336f5b8f..325136e5aee0 100644
--- a/arch/ppc/syslib/mpc85xx_devices.c
+++ b/arch/ppc/syslib/mpc85xx_devices.c
@@ -16,9 +16,11 @@
 #include <linux/device.h>
 #include <linux/serial_8250.h>
 #include <linux/fsl_devices.h>
+#include <linux/fs_enet_pd.h>
 #include <asm/mpc85xx.h>
 #include <asm/irq.h>
 #include <asm/ppc_sys.h>
+#include <asm/cpm2.h>
 
 /* We use offsets for IORESOURCE_MEM since we do not know at compile time
  * what CCSRBAR is, will get fixed up by mach_mpc85xx_fixup
@@ -82,6 +84,60 @@ static struct fsl_i2c_platform_data mpc85xx_fsl_i2c2_pdata = {
 	.device_flags = FSL_I2C_DEV_SEPARATE_DFSRR,
 };
 
+static struct fs_platform_info mpc85xx_fcc1_pdata = {
+	.fs_no          = fsid_fcc1,
+	.cp_page        = CPM_CR_FCC1_PAGE,
+	.cp_block       = CPM_CR_FCC1_SBLOCK,
+
+	.rx_ring        = 32,
+	.tx_ring        = 32,
+	.rx_copybreak   = 240,
+	.use_napi       = 0,
+	.napi_weight    = 17,
+
+	.clk_mask	= CMX1_CLK_MASK,
+	.clk_route	= CMX1_CLK_ROUTE,
+	.clk_trx	= (PC_F1RXCLK | PC_F1TXCLK),
+
+	.mem_offset     = FCC1_MEM_OFFSET,
+};
+
+static struct fs_platform_info mpc85xx_fcc2_pdata = {
+	.fs_no          = fsid_fcc2,
+	.cp_page        = CPM_CR_FCC2_PAGE,
+	.cp_block       = CPM_CR_FCC2_SBLOCK,
+
+	.rx_ring        = 32,
+	.tx_ring        = 32,
+	.rx_copybreak   = 240,
+	.use_napi       = 0,
+	.napi_weight    = 17,
+
+	.clk_mask	= CMX2_CLK_MASK,
+	.clk_route	= CMX2_CLK_ROUTE,
+	.clk_trx	= (PC_F2RXCLK | PC_F2TXCLK),
+
+	.mem_offset     = FCC2_MEM_OFFSET,
+};
+
+static struct fs_platform_info mpc85xx_fcc3_pdata = {
+	.fs_no          = fsid_fcc3,
+	.cp_page        = CPM_CR_FCC3_PAGE,
+	.cp_block       = CPM_CR_FCC3_SBLOCK,
+
+	.rx_ring        = 32,
+	.tx_ring        = 32,
+	.rx_copybreak   = 240,
+	.use_napi       = 0,
+	.napi_weight    = 17,
+
+	.clk_mask	= CMX3_CLK_MASK,
+	.clk_route	= CMX3_CLK_ROUTE,
+	.clk_trx	= (PC_F3RXCLK | PC_F3TXCLK),
+
+	.mem_offset     = FCC3_MEM_OFFSET,
+};
+
 static struct plat_serial8250_port serial_platform_data[] = {
 	[0] = {
 		.mapbase	= 0x4500,
@@ -318,19 +374,28 @@ struct platform_device ppc_sys_platform_devices[] = {
 	[MPC85xx_CPM_FCC1] = {
 		.name = "fsl-cpm-fcc",
 		.id	= 1,
-		.num_resources	 = 3,
+		.num_resources	 = 4,
+		.dev.platform_data = &mpc85xx_fcc1_pdata,
 		.resource = (struct resource[]) {
 			{
+				.name	= "fcc_regs",
 				.start	= 0x91300,
 				.end	= 0x9131F,
 				.flags	= IORESOURCE_MEM,
 			},
 			{
+				.name   = "fcc_regs_c",
 				.start	= 0x91380,
 				.end	= 0x9139F,
 				.flags	= IORESOURCE_MEM,
 			},
 			{
+				.name	= "fcc_pram",
+				.start	= 0x88400,
+				.end	= 0x884ff,
+				.flags	= IORESOURCE_MEM,
+			},
+			{
 				.start	= SIU_INT_FCC1,
 				.end	= SIU_INT_FCC1,
 				.flags	= IORESOURCE_IRQ,
@@ -340,19 +405,28 @@ struct platform_device ppc_sys_platform_devices[] = {
 	[MPC85xx_CPM_FCC2] = {
 		.name = "fsl-cpm-fcc",
 		.id	= 2,
-		.num_resources	 = 3,
+		.num_resources	 = 4,
+		.dev.platform_data = &mpc85xx_fcc2_pdata,
 		.resource = (struct resource[]) {
 			{
+				.name	= "fcc_regs",
 				.start	= 0x91320,
 				.end	= 0x9133F,
 				.flags	= IORESOURCE_MEM,
 			},
 			{
+				.name   = "fcc_regs_c",
 				.start	= 0x913A0,
 				.end	= 0x913CF,
 				.flags	= IORESOURCE_MEM,
 			},
 			{
+				.name	= "fcc_pram",
+				.start	= 0x88500,
+				.end	= 0x885ff,
+				.flags	= IORESOURCE_MEM,
+			},
+			{
 				.start	= SIU_INT_FCC2,
 				.end	= SIU_INT_FCC2,
 				.flags	= IORESOURCE_IRQ,
@@ -362,19 +436,28 @@ struct platform_device ppc_sys_platform_devices[] = {
 	[MPC85xx_CPM_FCC3] = {
 		.name = "fsl-cpm-fcc",
 		.id	= 3,
-		.num_resources	 = 3,
+		.num_resources	 = 4,
+		.dev.platform_data = &mpc85xx_fcc3_pdata,
 		.resource = (struct resource[]) {
 			{
+				.name	= "fcc_regs",
 				.start	= 0x91340,
 				.end	= 0x9135F,
 				.flags	= IORESOURCE_MEM,
 			},
 			{
+				.name   = "fcc_regs_c",
 				.start	= 0x913D0,
 				.end	= 0x913FF,
 				.flags	= IORESOURCE_MEM,
 			},
 			{
+				.name	= "fcc_pram",
+				.start	= 0x88600,
+				.end	= 0x886ff,
+				.flags	= IORESOURCE_MEM,
+			},
+			{
 				.start	= SIU_INT_FCC3,
 				.end	= SIU_INT_FCC3,
 				.flags	= IORESOURCE_IRQ,
diff --git a/arch/ppc/syslib/mpc8xx_devices.c b/arch/ppc/syslib/mpc8xx_devices.c
index 6f536383866e..cf5ab47487a7 100644
--- a/arch/ppc/syslib/mpc8xx_devices.c
+++ b/arch/ppc/syslib/mpc8xx_devices.c
@@ -218,6 +218,14 @@ struct platform_device ppc_sys_platform_devices[] = {
 			},
 		},
 	},
+
+        [MPC8xx_MDIO_FEC] = {
+                .name = "fsl-cpm-fec-mdio",
+                .id = 0,
+                .num_resources = 0,
+
+        },
+
 };
 
 static int __init mach_mpc8xx_fixup(struct platform_device *pdev)
diff --git a/arch/ppc/syslib/mpc8xx_sys.c b/arch/ppc/syslib/mpc8xx_sys.c
index eee213284855..18ba1d7ff9f1 100644
--- a/arch/ppc/syslib/mpc8xx_sys.c
+++ b/arch/ppc/syslib/mpc8xx_sys.c
@@ -22,7 +22,7 @@ struct ppc_sys_spec ppc_sys_specs[] = {
 		.ppc_sys_name	= "MPC86X",
 		.mask 		= 0xFFFFFFFF,
 		.value 		= 0x00000000,
-		.num_devices	= 7,
+		.num_devices	= 8,
 		.device_list	= (enum ppc_sys_devices[])
 		{
 			MPC8xx_CPM_FEC1,
@@ -32,13 +32,14 @@ struct ppc_sys_spec ppc_sys_specs[] = {
 			MPC8xx_CPM_SCC4,
 			MPC8xx_CPM_SMC1,
 			MPC8xx_CPM_SMC2,
+			MPC8xx_MDIO_FEC,
 		},
 	},
 	{
 		.ppc_sys_name	= "MPC885",
 		.mask 		= 0xFFFFFFFF,
 		.value 		= 0x00000000,
-		.num_devices	= 8,
+		.num_devices	= 9,
 		.device_list	= (enum ppc_sys_devices[])
 		{
 			MPC8xx_CPM_FEC1,
@@ -49,6 +50,7 @@ struct ppc_sys_spec ppc_sys_specs[] = {
 			MPC8xx_CPM_SCC4,
 			MPC8xx_CPM_SMC1,
 			MPC8xx_CPM_SMC2,
+			MPC8xx_MDIO_FEC,
 		},
 	},
 	{	/* default match */
diff --git a/arch/ppc/syslib/pq2_devices.c b/arch/ppc/syslib/pq2_devices.c
index 8692d00c08c4..fefbc217a56d 100644
--- a/arch/ppc/syslib/pq2_devices.c
+++ b/arch/ppc/syslib/pq2_devices.c
@@ -369,6 +369,11 @@ struct platform_device ppc_sys_platform_devices[] = {
 			},
 		},
 	},
+	[MPC82xx_MDIO_BB] = {
+		.name = "fsl-bb-mdio",
+		.id = 0,
+		.num_resources = 0,
+	},
 };
 
 static int __init mach_mpc82xx_fixup(struct platform_device *pdev)
diff --git a/arch/ppc/syslib/pq2_sys.c b/arch/ppc/syslib/pq2_sys.c
index fee8948162b9..f52600c0db20 100644
--- a/arch/ppc/syslib/pq2_sys.c
+++ b/arch/ppc/syslib/pq2_sys.c
@@ -139,13 +139,14 @@ struct ppc_sys_spec ppc_sys_specs[] = {
 		.ppc_sys_name	= "8272",
 		.mask		= 0x0000ff00,
 		.value		= 0x00000c00,
-		.num_devices	= 12,
+		.num_devices	= 13,
 		.device_list = (enum ppc_sys_devices[])
 		{
 			MPC82xx_CPM_FCC1, MPC82xx_CPM_FCC2, MPC82xx_CPM_SCC1,
 			MPC82xx_CPM_SCC2, MPC82xx_CPM_SCC3, MPC82xx_CPM_SCC4,
 			MPC82xx_CPM_SMC1, MPC82xx_CPM_SMC2, MPC82xx_CPM_SPI,
 			MPC82xx_CPM_I2C, MPC82xx_CPM_USB, MPC82xx_SEC1,
+			MPC82xx_MDIO_BB,
 		},
 	},
 	/* below is a list of the 8280 family of processors */
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index 6a4b5f9715c9..a0a94e0ef8d1 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -618,7 +618,7 @@ appldata_offline_cpu(int cpu)
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
-static int
+static int __cpuinit
 appldata_cpu_notify(struct notifier_block *self,
 		    unsigned long action, void *hcpu)
 {
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index eb6ebfef134a..6e6b6de77770 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -129,7 +129,7 @@ void __init paging_init(void)
                 /*
                  * pg_table is physical at this point
                  */
-		pg_table = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
+		pg_table = (pte_t *) alloc_bootmem_pages(PAGE_SIZE);
 
                 pg_dir->pgd0 =  (_PAGE_TABLE | __pa(pg_table));
                 pg_dir->pgd1 =  (_PAGE_TABLE | (__pa(pg_table)+1024));
@@ -219,7 +219,7 @@ void __init paging_init(void)
                         continue;
                 }          
         
-	        pm_dir = (pmd_t *) alloc_bootmem_low_pages(PAGE_SIZE*4);
+		pm_dir = (pmd_t *) alloc_bootmem_pages(PAGE_SIZE * 4);
                 pgd_populate(&init_mm, pg_dir, pm_dir);
 
                 for (j = 0 ; j < PTRS_PER_PMD ; j++,pm_dir++) {
@@ -228,7 +228,7 @@ void __init paging_init(void)
                                 continue; 
                         }          
                         
-                        pt_dir = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
+			pt_dir = (pte_t *) alloc_bootmem_pages(PAGE_SIZE);
                         pmd_populate_kernel(&init_mm, pm_dir, pt_dir);
 	
                         for (k = 0 ; k < PTRS_PER_PTE ; k++,pt_dir++) {
diff --git a/arch/sparc/kernel/setup.c b/arch/sparc/kernel/setup.c
index 35488d6c7457..0251cab4708b 100644
--- a/arch/sparc/kernel/setup.c
+++ b/arch/sparc/kernel/setup.c
@@ -348,9 +348,9 @@ void __init setup_arch(char **cmdline_p)
 	init_mm.context = (unsigned long) NO_CONTEXT;
 	init_task.thread.kregs = &fake_swapper_regs;
 
-	smp_setup_cpu_possible_map();
-
 	paging_init();
+
+	smp_setup_cpu_possible_map();
 }
 
 static int __init set_preferred_console(void)
diff --git a/arch/sparc/kernel/smp.c b/arch/sparc/kernel/smp.c
index e311ade1b490..276f22881d0f 100644
--- a/arch/sparc/kernel/smp.c
+++ b/arch/sparc/kernel/smp.c
@@ -34,7 +34,6 @@
 #include <asm/tlbflush.h>
 #include <asm/cpudata.h>
 
-volatile int smp_processors_ready = 0;
 int smp_num_cpus = 1;
 volatile unsigned long cpu_callin_map[NR_CPUS] __initdata = {0,};
 unsigned char boot_cpu_id = 0;
diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c
index ba843f6a2832..3ff4edd32815 100644
--- a/arch/sparc/kernel/sun4d_smp.c
+++ b/arch/sparc/kernel/sun4d_smp.c
@@ -42,7 +42,7 @@ extern ctxd_t *srmmu_ctx_table_phys;
 
 extern void calibrate_delay(void);
 
-extern volatile int smp_processors_ready;
+static volatile int smp_processors_ready = 0;
 static int smp_highest_cpu;
 extern volatile unsigned long cpu_callin_map[NR_CPUS];
 extern cpuinfo_sparc cpu_data[NR_CPUS];
diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c
index 3b32096134aa..7d4a649138f6 100644
--- a/arch/sparc/kernel/sun4m_smp.c
+++ b/arch/sparc/kernel/sun4m_smp.c
@@ -39,7 +39,6 @@ extern ctxd_t *srmmu_ctx_table_phys;
 
 extern void calibrate_delay(void);
 
-extern volatile int smp_processors_ready;
 extern volatile unsigned long cpu_callin_map[NR_CPUS];
 extern unsigned char boot_cpu_id;
 
@@ -217,7 +216,6 @@ void __init smp4m_smp_done(void)
 	}
 
 	/* Ok, they are spinning and ready to go. */
-	smp_processors_ready = 1;
 }
 
 /* At each hardware IRQ, we get this called to forward IRQ reception
diff --git a/arch/sparc64/mm/generic.c b/arch/sparc64/mm/generic.c
index 8cb06205d265..af9d81db0b38 100644
--- a/arch/sparc64/mm/generic.c
+++ b/arch/sparc64/mm/generic.c
@@ -69,6 +69,8 @@ static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte,
 		} else
 			offset += PAGE_SIZE;
 
+		if (pte_write(entry))
+			entry = pte_mkdirty(entry);
 		do {
 			BUG_ON(!pte_none(*pte));
 			set_pte_at(mm, address, pte, entry);
diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig
index 840d5d93d5cc..5fb970715941 100644
--- a/arch/x86_64/defconfig
+++ b/arch/x86_64/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.18-rc2
-# Tue Jul 18 17:13:20 2006
+# Linux kernel version: 2.6.18-rc4
+# Thu Aug 24 21:05:55 2006
 #
 CONFIG_X86_64=y
 CONFIG_64BIT=y
@@ -201,7 +201,7 @@ CONFIG_ACPI_THERMAL=y
 CONFIG_ACPI_NUMA=y
 # CONFIG_ACPI_ASUS is not set
 # CONFIG_ACPI_IBM is not set
-CONFIG_ACPI_TOSHIBA=y
+# CONFIG_ACPI_TOSHIBA is not set
 CONFIG_ACPI_BLACKLIST_YEAR=0
 # CONFIG_ACPI_DEBUG is not set
 CONFIG_ACPI_EC=y
@@ -216,7 +216,7 @@ CONFIG_ACPI_CONTAINER=y
 #
 CONFIG_CPU_FREQ=y
 CONFIG_CPU_FREQ_TABLE=y
-# CONFIG_CPU_FREQ_DEBUG is not set
+CONFIG_CPU_FREQ_DEBUG=y
 CONFIG_CPU_FREQ_STAT=y
 # CONFIG_CPU_FREQ_STAT_DETAILS is not set
 CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
@@ -495,8 +495,9 @@ CONFIG_SCSI=y
 CONFIG_BLK_DEV_SD=y
 # CONFIG_CHR_DEV_ST is not set
 # CONFIG_CHR_DEV_OSST is not set
-# CONFIG_BLK_DEV_SR is not set
-# CONFIG_CHR_DEV_SG is not set
+CONFIG_BLK_DEV_SR=y
+# CONFIG_BLK_DEV_SR_VENDOR is not set
+CONFIG_CHR_DEV_SG=y
 # CONFIG_CHR_DEV_SCH is not set
 
 #
@@ -512,7 +513,7 @@ CONFIG_SCSI_CONSTANTS=y
 CONFIG_SCSI_SPI_ATTRS=y
 CONFIG_SCSI_FC_ATTRS=y
 # CONFIG_SCSI_ISCSI_ATTRS is not set
-# CONFIG_SCSI_SAS_ATTRS is not set
+CONFIG_SCSI_SAS_ATTRS=y
 
 #
 # SCSI low-level drivers
@@ -538,7 +539,7 @@ CONFIG_MEGARAID_MAILBOX=y
 CONFIG_MEGARAID_SAS=y
 CONFIG_SCSI_SATA=y
 CONFIG_SCSI_SATA_AHCI=y
-# CONFIG_SCSI_SATA_SVW is not set
+CONFIG_SCSI_SATA_SVW=y
 CONFIG_SCSI_ATA_PIIX=y
 # CONFIG_SCSI_SATA_MV is not set
 CONFIG_SCSI_SATA_NV=y
@@ -589,7 +590,7 @@ CONFIG_BLK_DEV_DM=y
 CONFIG_FUSION=y
 CONFIG_FUSION_SPI=y
 # CONFIG_FUSION_FC is not set
-# CONFIG_FUSION_SAS is not set
+CONFIG_FUSION_SAS=y
 CONFIG_FUSION_MAX_SGE=128
 # CONFIG_FUSION_CTL is not set
 
@@ -675,7 +676,7 @@ CONFIG_NET_PCI=y
 # CONFIG_PCNET32 is not set
 # CONFIG_AMD8111_ETH is not set
 # CONFIG_ADAPTEC_STARFIRE is not set
-# CONFIG_B44 is not set
+CONFIG_B44=y
 CONFIG_FORCEDETH=y
 # CONFIG_DGRS is not set
 # CONFIG_EEPRO100 is not set
@@ -712,7 +713,7 @@ CONFIG_E1000=y
 # CONFIG_SK98LIN is not set
 # CONFIG_VIA_VELOCITY is not set
 CONFIG_TIGON3=y
-# CONFIG_BNX2 is not set
+CONFIG_BNX2=y
 
 #
 # Ethernet (10000 Mbit)
@@ -842,44 +843,7 @@ CONFIG_LEGACY_PTY_COUNT=256
 #
 # Watchdog Cards
 #
-CONFIG_WATCHDOG=y
-# CONFIG_WATCHDOG_NOWAYOUT is not set
-
-#
-# Watchdog Device Drivers
-#
-CONFIG_SOFT_WATCHDOG=y
-# CONFIG_ACQUIRE_WDT is not set
-# CONFIG_ADVANTECH_WDT is not set
-# CONFIG_ALIM1535_WDT is not set
-# CONFIG_ALIM7101_WDT is not set
-# CONFIG_SC520_WDT is not set
-# CONFIG_EUROTECH_WDT is not set
-# CONFIG_IB700_WDT is not set
-# CONFIG_IBMASR is not set
-# CONFIG_WAFER_WDT is not set
-# CONFIG_I6300ESB_WDT is not set
-# CONFIG_I8XX_TCO is not set
-# CONFIG_SC1200_WDT is not set
-# CONFIG_60XX_WDT is not set
-# CONFIG_SBC8360_WDT is not set
-# CONFIG_CPU5_WDT is not set
-# CONFIG_W83627HF_WDT is not set
-# CONFIG_W83877F_WDT is not set
-# CONFIG_W83977F_WDT is not set
-# CONFIG_MACHZ_WDT is not set
-# CONFIG_SBC_EPX_C3_WATCHDOG is not set
-
-#
-# PCI-based Watchdog Cards
-#
-# CONFIG_PCIPCWATCHDOG is not set
-# CONFIG_WDTPCI is not set
-
-#
-# USB-based Watchdog Cards
-#
-# CONFIG_USBPCWATCHDOG is not set
+# CONFIG_WATCHDOG is not set
 CONFIG_HW_RANDOM=y
 CONFIG_HW_RANDOM_INTEL=y
 CONFIG_HW_RANDOM_AMD=y
@@ -1056,6 +1020,7 @@ CONFIG_VGACON_SOFT_SCROLLBACK=y
 CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=256
 CONFIG_VIDEO_SELECT=y
 CONFIG_DUMMY_CONSOLE=y
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
 # Sound
@@ -1301,7 +1266,7 @@ CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
 CONFIG_DNOTIFY=y
-CONFIG_AUTOFS_FS=y
+# CONFIG_AUTOFS_FS is not set
 CONFIG_AUTOFS4_FS=y
 # CONFIG_FUSE_FS is not set
 
@@ -1494,4 +1459,5 @@ CONFIG_DEBUG_STACKOVERFLOW=y
 # CONFIG_CRC16 is not set
 CONFIG_CRC32=y
 # CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
 CONFIG_PLIST=y
diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c
index a9dc0f3b5b51..2fd5a67fd435 100644
--- a/arch/x86_64/ia32/ia32_binfmt.c
+++ b/arch/x86_64/ia32/ia32_binfmt.c
@@ -73,39 +73,44 @@ typedef elf_greg_t elf_gregset_t[ELF_NGREG];
  * Dumping its extra ELF program headers includes all the other information
  * a debugger needs to easily find how the vsyscall DSO was being used.
  */
-#define ELF_CORE_EXTRA_PHDRS		(VSYSCALL32_EHDR->e_phnum)
+#define ELF_CORE_EXTRA_PHDRS	(find_vma(current->mm, VSYSCALL32_BASE) ?     \
+    (VSYSCALL32_EHDR->e_phnum) : 0)
 #define ELF_CORE_WRITE_EXTRA_PHDRS					      \
 do {									      \
-	const struct elf32_phdr *const vsyscall_phdrs =			      \
-		(const struct elf32_phdr *) (VSYSCALL32_BASE		      \
-					   + VSYSCALL32_EHDR->e_phoff);	      \
-	int i;								      \
-	Elf32_Off ofs = 0;						      \
-	for (i = 0; i < VSYSCALL32_EHDR->e_phnum; ++i) {		      \
-		struct elf32_phdr phdr = vsyscall_phdrs[i];		      \
-		if (phdr.p_type == PT_LOAD) {				      \
-			BUG_ON(ofs != 0);				      \
-			ofs = phdr.p_offset = offset;			      \
-			phdr.p_memsz = PAGE_ALIGN(phdr.p_memsz);	      \
-			phdr.p_filesz = phdr.p_memsz;			      \
-			offset += phdr.p_filesz;			      \
+	if (find_vma(current->mm, VSYSCALL32_BASE)) { 			      \
+		const struct elf32_phdr *const vsyscall_phdrs =		      \
+			(const struct elf32_phdr *) (VSYSCALL32_BASE	      \
+						   + VSYSCALL32_EHDR->e_phoff);\
+		int i;							      \
+		Elf32_Off ofs = 0;					      \
+		for (i = 0; i < VSYSCALL32_EHDR->e_phnum; ++i) {	      \
+			struct elf32_phdr phdr = vsyscall_phdrs[i];	      \
+			if (phdr.p_type == PT_LOAD) {			      \
+				BUG_ON(ofs != 0);			      \
+				ofs = phdr.p_offset = offset;		      \
+				phdr.p_memsz = PAGE_ALIGN(phdr.p_memsz);      \
+				phdr.p_filesz = phdr.p_memsz;		      \
+				offset += phdr.p_filesz;		      \
+			}						      \
+			else						      \
+				phdr.p_offset += ofs;			      \
+			phdr.p_paddr = 0; /* match other core phdrs */	      \
+			DUMP_WRITE(&phdr, sizeof(phdr));		      \
 		}							      \
-		else							      \
-			phdr.p_offset += ofs;				      \
-		phdr.p_paddr = 0; /* match other core phdrs */		      \
-		DUMP_WRITE(&phdr, sizeof(phdr));			      \
 	}								      \
 } while (0)
 #define ELF_CORE_WRITE_EXTRA_DATA					      \
 do {									      \
-	const struct elf32_phdr *const vsyscall_phdrs =			      \
-		(const struct elf32_phdr *) (VSYSCALL32_BASE		      \
-					   + VSYSCALL32_EHDR->e_phoff);	      \
-	int i;								      \
-	for (i = 0; i < VSYSCALL32_EHDR->e_phnum; ++i) {		      \
-		if (vsyscall_phdrs[i].p_type == PT_LOAD)		      \
-			DUMP_WRITE((void *) (u64) vsyscall_phdrs[i].p_vaddr,	      \
-				   PAGE_ALIGN(vsyscall_phdrs[i].p_memsz));    \
+	if (find_vma(current->mm, VSYSCALL32_BASE)) { 			      \
+		const struct elf32_phdr *const vsyscall_phdrs =		      \
+			(const struct elf32_phdr *) (VSYSCALL32_BASE	      \
+						   + VSYSCALL32_EHDR->e_phoff);      \
+		int i;							      \
+		for (i = 0; i < VSYSCALL32_EHDR->e_phnum; ++i) {	      \
+			if (vsyscall_phdrs[i].p_type == PT_LOAD)	      \
+				DUMP_WRITE((void *) (u64) vsyscall_phdrs[i].p_vaddr,\
+				    PAGE_ALIGN(vsyscall_phdrs[i].p_memsz));   \
+		}							      \
 	}								      \
 } while (0)
 
diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c
index e56c2adf57a4..764bf23c7103 100644
--- a/arch/x86_64/kernel/e820.c
+++ b/arch/x86_64/kernel/e820.c
@@ -71,7 +71,11 @@ static inline int bad_addr(unsigned long *addrp, unsigned long size)
 #endif
 	/* kernel code + 640k memory hole (later should not be needed, but 
 	   be paranoid for now) */
-	if (last >= 640*1024 && addr < __pa_symbol(&_end)) { 
+	if (last >= 640*1024 && addr < 1024*1024) {
+		*addrp = 1024*1024;
+		return 1;
+	}
+	if (last >= __pa_symbol(&_text) && last < __pa_symbol(&_end)) {
 		*addrp = __pa_symbol(&_end);
 		return 1;
 	}
@@ -104,35 +108,6 @@ e820_any_mapped(unsigned long start, unsigned long end, unsigned type)
 	return 0;
 }
 
-/*
- * This function checks if the entire range <start,end> is mapped with type.
- *
- * Note: this function only works correct if the e820 table is sorted and
- * not-overlapping, which is the case
- */
-int __init e820_all_mapped(unsigned long start, unsigned long end, unsigned type)
-{
-	int i;
-	for (i = 0; i < e820.nr_map; i++) {
-		struct e820entry *ei = &e820.map[i];
-		if (type && ei->type != type)
-			continue;
-		/* is the region (part) in overlap with the current region ?*/
-		if (ei->addr >= end || ei->addr + ei->size <= start)
-			continue;
-
-		/* if the region is at the beginning of <start,end> we move
-		 * start to the end of the region since it's ok until there
-		 */
-		if (ei->addr <= start)
-			start = ei->addr + ei->size;
-		/* if start is now at or beyond end, we're done, full coverage */
-		if (start >= end)
-			return 1; /* we're done */
-	}
-	return 0;
-}
-
 /* 
  * Find a free area in a specific range. 
  */ 
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index 6f810424df44..aa8d8939abc1 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -973,6 +973,8 @@ ENTRY(kernel_thread)
 ENDPROC(kernel_thread)
 	
 child_rip:
+	pushq $0		# fake return address
+	CFI_STARTPROC
 	/*
 	 * Here we are in the child and the registers are set as they were
 	 * at kernel_thread() invocation in the parent.
@@ -983,6 +985,7 @@ child_rip:
 	# exit
 	xorl %edi, %edi
 	call do_exit
+	CFI_ENDPROC
 ENDPROC(child_rip)
 
 /*
diff --git a/arch/x86_64/kernel/head.S b/arch/x86_64/kernel/head.S
index 6df05e6034fa..c9739ca81d06 100644
--- a/arch/x86_64/kernel/head.S
+++ b/arch/x86_64/kernel/head.S
@@ -191,6 +191,7 @@ startup_64:
 	 * jump
 	 */
 	movq	initial_code(%rip),%rax
+	pushq	$0		# fake return address
 	jmp	*%rax
 
 	/* SMP bootup changes these two */
diff --git a/arch/x86_64/kernel/init_task.c b/arch/x86_64/kernel/init_task.c
index ce31d904d601..3dc5854ba21e 100644
--- a/arch/x86_64/kernel/init_task.c
+++ b/arch/x86_64/kernel/init_task.c
@@ -46,4 +46,9 @@ EXPORT_SYMBOL(init_task);
  */ 
 DEFINE_PER_CPU(struct tss_struct, init_tss) ____cacheline_internodealigned_in_smp = INIT_TSS;
 
+/* Copies of the original ist values from the tss are only accessed during
+ * debugging, no special alignment required.
+ */
+DEFINE_PER_CPU(struct orig_ist, orig_ist);
+
 #define ALIGN_TO_4K __attribute__((section(".data.init_task")))
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 8a099ff1f8bc..34afad704824 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -521,8 +521,6 @@ static void discover_ebda(void)
 
 void __init setup_arch(char **cmdline_p)
 {
-	unsigned long kernel_end;
-
  	ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV);
  	screen_info = SCREEN_INFO;
 	edid_info = EDID_INFO;
@@ -596,8 +594,8 @@ void __init setup_arch(char **cmdline_p)
 				(table_end - table_start) << PAGE_SHIFT);
 
 	/* reserve kernel */
-	kernel_end = round_up(__pa_symbol(&_end),PAGE_SIZE);
-	reserve_bootmem_generic(HIGH_MEMORY, kernel_end - HIGH_MEMORY);
+	reserve_bootmem_generic(__pa_symbol(&_text),
+				__pa_symbol(&_end) - __pa_symbol(&_text));
 
 	/*
 	 * reserve physical page 0 - it's a special BIOS page on many boxes,
diff --git a/arch/x86_64/kernel/setup64.c b/arch/x86_64/kernel/setup64.c
index 6fe58a634b5f..417de564456e 100644
--- a/arch/x86_64/kernel/setup64.c
+++ b/arch/x86_64/kernel/setup64.c
@@ -189,6 +189,7 @@ void __cpuinit cpu_init (void)
 {
 	int cpu = stack_smp_processor_id();
 	struct tss_struct *t = &per_cpu(init_tss, cpu);
+	struct orig_ist *orig_ist = &per_cpu(orig_ist, cpu);
 	unsigned long v; 
 	char *estacks = NULL; 
 	struct task_struct *me;
@@ -256,7 +257,7 @@ void __cpuinit cpu_init (void)
 			estacks += EXCEPTION_STKSZ;
 			break;
 		}
-		t->ist[v] = (unsigned long)estacks;
+		orig_ist->ist[v] = t->ist[v] = (unsigned long)estacks;
 	}
 
 	t->io_bitmap_base = offsetof(struct tss_struct, io_bitmap);
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index 4e9938dee060..b1249774d1e8 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -107,7 +107,11 @@ static inline void preempt_conditional_cli(struct pt_regs *regs)
 }
 
 static int kstack_depth_to_print = 12;
+#ifdef CONFIG_STACK_UNWIND
 static int call_trace = 1;
+#else
+#define call_trace (-1)
+#endif
 
 #ifdef CONFIG_KALLSYMS
 # include <linux/kallsyms.h>
@@ -174,7 +178,7 @@ static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack,
 			break;
 #endif
 		default:
-			end = per_cpu(init_tss, cpu).ist[k];
+			end = per_cpu(orig_ist, cpu).ist[k];
 			break;
 		}
 		/*
@@ -274,21 +278,21 @@ void show_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s
 			if (unwind_init_blocked(&info, tsk) == 0)
 				unw_ret = show_trace_unwind(&info, NULL);
 		}
-		if (unw_ret > 0 && !arch_unw_user_mode(&info)) {
-#ifdef CONFIG_STACK_UNWIND
-			unsigned long rip = info.regs.rip;
-			print_symbol("DWARF2 unwinder stuck at %s\n", rip);
-			if (call_trace == 1) {
-				printk("Leftover inexact backtrace:\n");
-				stack = (unsigned long *)info.regs.rsp;
-			} else if (call_trace > 1)
+		if (unw_ret > 0) {
+			if (call_trace == 1 && !arch_unw_user_mode(&info)) {
+				print_symbol("DWARF2 unwinder stuck at %s\n",
+					     UNW_PC(&info));
+				if ((long)UNW_SP(&info) < 0) {
+					printk("Leftover inexact backtrace:\n");
+					stack = (unsigned long *)UNW_SP(&info);
+				} else
+					printk("Full inexact backtrace again:\n");
+			} else if (call_trace >= 1)
 				return;
 			else
 				printk("Full inexact backtrace again:\n");
-#else
+		} else
 			printk("Inexact backtrace:\n");
-#endif
-		}
 	}
 
 	/*
@@ -529,7 +533,7 @@ void __kprobes oops_end(unsigned long flags)
 		/* Nest count reaches zero, release the lock. */
 		spin_unlock_irqrestore(&die_lock, flags);
 	if (panic_on_oops)
-		panic("Fatal exception: panic_on_oops");
+		panic("Fatal exception");
 }
 
 void __kprobes __die(const char * str, struct pt_regs * regs, long err)
@@ -1120,6 +1124,7 @@ static int __init kstack_setup(char *s)
 }
 __setup("kstack=", kstack_setup);
 
+#ifdef CONFIG_STACK_UNWIND
 static int __init call_trace_setup(char *s)
 {
 	if (strcmp(s, "old") == 0)
@@ -1133,3 +1138,4 @@ static int __init call_trace_setup(char *s)
 	return 1;
 }
 __setup("call_trace=", call_trace_setup);
+#endif
diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c
index 3c55c76c6fd5..2d48a7941d48 100644
--- a/arch/x86_64/pci/mmconfig.c
+++ b/arch/x86_64/pci/mmconfig.c
@@ -9,6 +9,7 @@
 #include <linux/init.h>
 #include <linux/acpi.h>
 #include <linux/bitmap.h>
+#include <linux/dmi.h>
 #include <asm/e820.h>
 
 #include "pci.h"
@@ -164,11 +165,33 @@ static __init void unreachable_devices(void)
 	}
 }
 
+static int disable_mcfg(struct dmi_system_id *d)
+{
+	printk("PCI: %s detected. Disabling MCFG.\n", d->ident);
+	pci_probe &= ~PCI_PROBE_MMCONF;
+	return 0;
+}
+
+static struct dmi_system_id __initdata dmi_bad_mcfg[] = {
+	/* Has broken MCFG table that makes the system hang when used */
+        {
+         .callback = disable_mcfg,
+         .ident = "Intel D3C5105 SDV",
+         .matches = {
+                     DMI_MATCH(DMI_BIOS_VENDOR, "Intel"),
+                     DMI_MATCH(DMI_BOARD_NAME, "D26928"),
+                     },
+         },
+         {}
+};
+
 void __init pci_mmcfg_init(void)
 {
 	int i;
 
-	if ((pci_probe & PCI_PROBE_MMCONF) == 0)
+	dmi_check_system(dmi_bad_mcfg);
+
+	if ((pci_probe & (PCI_PROBE_MMCONF|PCI_PROBE_MMCONF_FORCE)) == 0)
 		return;
 
 	acpi_table_parse(ACPI_MCFG, acpi_parse_mcfg);
@@ -177,15 +200,6 @@ void __init pci_mmcfg_init(void)
 	    (pci_mmcfg_config[0].base_address == 0))
 		return;
 
-	if (!e820_all_mapped(pci_mmcfg_config[0].base_address,
-			pci_mmcfg_config[0].base_address + MMCONFIG_APER_MIN,
-			E820_RESERVED)) {
-		printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %x is not E820-reserved\n",
-				pci_mmcfg_config[0].base_address);
-		printk(KERN_ERR "PCI: Not using MMCONFIG.\n");
-		return;
-	}
-
 	/* RED-PEN i386 doesn't do _nocache right now */
 	pci_mmcfg_virt = kmalloc(sizeof(*pci_mmcfg_virt) * pci_mmcfg_config_num, GFP_KERNEL);
 	if (pci_mmcfg_virt == NULL) {
diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c
index 9734960a2451..ce077d6bf3a0 100644
--- a/arch/xtensa/kernel/traps.c
+++ b/arch/xtensa/kernel/traps.c
@@ -488,7 +488,7 @@ void die(const char * str, struct pt_regs * regs, long err)
 		panic("Fatal exception in interrupt");
 
 	if (panic_on_oops)
-		panic("Fatal exception: panic_on_oops");
+		panic("Fatal exception");
 
 	do_exit(err);
 }