Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-merge

53 files changed, 1013 insertions, 347 deletions

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 6ffae2d2b3f..1493c7896fe 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -404,6 +404,14 @@ config CPU_FREQ_PMAC
 	  this currently includes some models of iBook & Titanium
 	  PowerBook.
 
+config CPU_FREQ_PMAC64
+	bool "Support for some Apple G5s"
+	depends on CPU_FREQ && PMAC_SMU && PPC64
+	select CPU_FREQ_TABLE
+	help
+	  This adds support for frequency switching on Apple iMac G5,
+	  and some of the more recent desktop G5 machines as well.
+
 config PPC601_SYNC_FIX
 	bool "Workarounds for PPC601 bugs"
 	depends on 6xx && (PPC_PREP || PPC_PMAC)
@@ -484,6 +492,7 @@ source "fs/Kconfig.binfmt"
 config FORCE_MAX_ZONEORDER
 	int
 	depends on PPC64
+	default "9" if PPC_64K_PAGES
 	default "13"
 
 config MATH_EMULATION
diff --git a/arch/powerpc/configs/g5_defconfig b/arch/powerpc/configs/g5_defconfig
index 6323065fbf2..e76854f8c12 100644
--- a/arch/powerpc/configs/g5_defconfig
+++ b/arch/powerpc/configs/g5_defconfig
@@ -1,18 +1,32 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.14-rc4
-# Thu Oct 20 08:30:23 2005
+# Linux kernel version: 2.6.14
+# Mon Nov  7 13:37:59 2005
 #
+CONFIG_PPC64=y
 CONFIG_64BIT=y
+CONFIG_PPC_MERGE=y
 CONFIG_MMU=y
+CONFIG_GENERIC_HARDIRQS=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
-CONFIG_GENERIC_ISA_DMA=y
+CONFIG_PPC=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_COMPAT=y
+CONFIG_SYSVIPC_COMPAT=y
 CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 CONFIG_ARCH_MAY_HAVE_PC_FDC=y
-CONFIG_FORCE_MAX_ZONEORDER=13
+
+#
+# Processor support
+#
+CONFIG_POWER4_ONLY=y
+CONFIG_POWER4=y
+CONFIG_PPC_FPU=y
+CONFIG_ALTIVEC=y
+CONFIG_PPC_STD_MMU=y
+CONFIG_SMP=y
+CONFIG_NR_CPUS=2
 
 #
 # Code maturity level options
@@ -67,30 +81,60 @@ CONFIG_MODVERSIONS=y
 CONFIG_MODULE_SRCVERSION_ALL=y
 CONFIG_KMOD=y
 CONFIG_STOP_MACHINE=y
-CONFIG_SYSVIPC_COMPAT=y
 
 #
 # Platform support
 #
-# CONFIG_PPC_ISERIES is not set
 CONFIG_PPC_MULTIPLATFORM=y
+# CONFIG_PPC_ISERIES is not set
+# CONFIG_EMBEDDED6xx is not set
+# CONFIG_APUS is not set
 # CONFIG_PPC_PSERIES is not set
-# CONFIG_PPC_BPA is not set
 CONFIG_PPC_PMAC=y
+CONFIG_PPC_PMAC64=y
 # CONFIG_PPC_MAPLE is not set
-CONFIG_PPC=y
-CONFIG_PPC64=y
+# CONFIG_PPC_CELL is not set
 CONFIG_PPC_OF=y
-CONFIG_MPIC=y
-CONFIG_ALTIVEC=y
-CONFIG_KEXEC=y
 CONFIG_U3_DART=y
-CONFIG_PPC_PMAC64=y
-CONFIG_BOOTX_TEXT=y
-CONFIG_POWER4_ONLY=y
+CONFIG_MPIC=y
+# CONFIG_PPC_RTAS is not set
+# CONFIG_MMIO_NVRAM is not set
+# CONFIG_PPC_MPC106 is not set
+CONFIG_GENERIC_TBSYNC=y
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_TABLE=y
+# CONFIG_CPU_FREQ_DEBUG is not set
+CONFIG_CPU_FREQ_STAT=y
+# CONFIG_CPU_FREQ_STAT_DETAILS is not set
+CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
+# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
+CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
+CONFIG_CPU_FREQ_GOV_POWERSAVE=y
+CONFIG_CPU_FREQ_GOV_USERSPACE=y
+# CONFIG_CPU_FREQ_GOV_ONDEMAND is not set
+# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
+CONFIG_CPU_FREQ_PMAC64=y
+# CONFIG_WANT_EARLY_SERIAL is not set
+
+#
+# Kernel options
+#
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+# CONFIG_PREEMPT_BKL is not set
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_MISC is not set
+CONFIG_FORCE_MAX_ZONEORDER=13
 CONFIG_IOMMU_VMERGE=y
-CONFIG_SMP=y
-CONFIG_NR_CPUS=2
+# CONFIG_HOTPLUG_CPU is not set
+CONFIG_KEXEC=y
+CONFIG_IRQ_ALL_CPUS=y
+# CONFIG_NUMA is not set
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_ARCH_FLATMEM_ENABLE=y
 CONFIG_SELECT_MEMORY_MODEL=y
@@ -100,28 +144,21 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
-# CONFIG_NUMA is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_PPC_64K_PAGES is not set
 # CONFIG_SCHED_SMT is not set
-CONFIG_PREEMPT_NONE=y
-# CONFIG_PREEMPT_VOLUNTARY is not set
-# CONFIG_PREEMPT is not set
-# CONFIG_PREEMPT_BKL is not set
-# CONFIG_HZ_100 is not set
-CONFIG_HZ_250=y
-# CONFIG_HZ_1000 is not set
-CONFIG_HZ=250
-CONFIG_GENERIC_HARDIRQS=y
-CONFIG_SECCOMP=y
-CONFIG_BINFMT_ELF=y
-# CONFIG_BINFMT_MISC is not set
-# CONFIG_HOTPLUG_CPU is not set
 CONFIG_PROC_DEVICETREE=y
 # CONFIG_CMDLINE_BOOL is not set
+# CONFIG_PM is not set
+CONFIG_SECCOMP=y
 CONFIG_ISA_DMA_API=y
 
 #
-# Bus Options
+# Bus options
 #
+CONFIG_GENERIC_ISA_DMA=y
+# CONFIG_PPC_I8259 is not set
+# CONFIG_PPC_INDIRECT_PCI is not set
 CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
 CONFIG_PCI_LEGACY_PROC=y
@@ -136,6 +173,7 @@ CONFIG_PCI_LEGACY_PROC=y
 # PCI Hotplug Support
 #
 # CONFIG_HOTPLUG_PCI is not set
+CONFIG_KERNEL_START=0xc000000000000000
 
 #
 # Networking
@@ -276,6 +314,10 @@ CONFIG_LLC=y
 # CONFIG_NET_DIVERT is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
+
+#
+# QoS and/or fair queueing
+#
 # CONFIG_NET_SCHED is not set
 CONFIG_NET_CLS_ROUTE=y
 
@@ -348,6 +390,11 @@ CONFIG_IOSCHED_NOOP=y
 CONFIG_IOSCHED_AS=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_CFQ=y
+CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
 # CONFIG_ATA_OVER_ETH is not set
 
 #
@@ -449,6 +496,7 @@ CONFIG_SCSI_SPI_ATTRS=y
 #
 # SCSI low-level drivers
 #
+# CONFIG_ISCSI_TCP is not set
 # CONFIG_BLK_DEV_3W_XXXX_RAID is not set
 # CONFIG_SCSI_3W_9XXX is not set
 # CONFIG_SCSI_ACARD is not set
@@ -465,10 +513,12 @@ CONFIG_SCSI_SATA_SVW=y
 # CONFIG_SCSI_ATA_PIIX is not set
 # CONFIG_SCSI_SATA_MV is not set
 # CONFIG_SCSI_SATA_NV is not set
-# CONFIG_SCSI_SATA_PROMISE is not set
+# CONFIG_SCSI_PDC_ADMA is not set
 # CONFIG_SCSI_SATA_QSTOR is not set
+# CONFIG_SCSI_SATA_PROMISE is not set
 # CONFIG_SCSI_SATA_SX4 is not set
 # CONFIG_SCSI_SATA_SIL is not set
+# CONFIG_SCSI_SATA_SIL24 is not set
 # CONFIG_SCSI_SATA_SIS is not set
 # CONFIG_SCSI_SATA_ULI is not set
 # CONFIG_SCSI_SATA_VIA is not set
@@ -567,6 +617,9 @@ CONFIG_IEEE1394_RAWIO=y
 CONFIG_ADB_PMU=y
 CONFIG_PMAC_SMU=y
 CONFIG_THERM_PM72=y
+CONFIG_WINDFARM=y
+CONFIG_WINDFARM_PM81=y
+CONFIG_WINDFARM_PM91=y
 
 #
 # Network device support
@@ -603,6 +656,7 @@ CONFIG_SUNGEM=y
 # CONFIG_NET_TULIP is not set
 # CONFIG_HP100 is not set
 # CONFIG_NET_PCI is not set
+# CONFIG_FEC_8XX is not set
 
 #
 # Ethernet (1000 Mbit)
@@ -768,6 +822,7 @@ CONFIG_MAX_RAW_DEVS=256
 # TPM devices
 #
 # CONFIG_TCG_TPM is not set
+# CONFIG_TELCLOCK is not set
 
 #
 # I2C support
@@ -820,6 +875,7 @@ CONFIG_I2C_PMAC_SMU=y
 # CONFIG_SENSORS_PCF8591 is not set
 # CONFIG_SENSORS_RTC8564 is not set
 # CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_RTC_X1205_I2C is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
 # CONFIG_I2C_DEBUG_BUS is not set
@@ -876,10 +932,9 @@ CONFIG_FB_OF=y
 # CONFIG_FB_ASILIANT is not set
 # CONFIG_FB_IMSTT is not set
 # CONFIG_FB_VGA16 is not set
-# CONFIG_FB_NVIDIA is not set
-CONFIG_FB_RIVA=y
-# CONFIG_FB_RIVA_I2C is not set
-# CONFIG_FB_RIVA_DEBUG is not set
+CONFIG_FB_NVIDIA=y
+CONFIG_FB_NVIDIA_I2C=y
+# CONFIG_FB_RIVA is not set
 # CONFIG_FB_MATROX is not set
 # CONFIG_FB_RADEON_OLD is not set
 CONFIG_FB_RADEON=y
@@ -924,7 +979,96 @@ CONFIG_LCD_DEVICE=y
 #
 # Sound
 #
-# CONFIG_SOUND is not set
+CONFIG_SOUND=m
+
+#
+# Advanced Linux Sound Architecture
+#
+CONFIG_SND=m
+CONFIG_SND_TIMER=m
+CONFIG_SND_PCM=m
+CONFIG_SND_HWDEP=m
+CONFIG_SND_RAWMIDI=m
+CONFIG_SND_SEQUENCER=m
+# CONFIG_SND_SEQ_DUMMY is not set
+CONFIG_SND_OSSEMUL=y
+CONFIG_SND_MIXER_OSS=m
+CONFIG_SND_PCM_OSS=m
+CONFIG_SND_SEQUENCER_OSS=y
+# CONFIG_SND_VERBOSE_PRINTK is not set
+# CONFIG_SND_DEBUG is not set
+CONFIG_SND_GENERIC_DRIVER=y
+
+#
+# Generic devices
+#
+# CONFIG_SND_DUMMY is not set
+# CONFIG_SND_VIRMIDI is not set
+# CONFIG_SND_MTPAV is not set
+# CONFIG_SND_SERIAL_U16550 is not set
+# CONFIG_SND_MPU401 is not set
+
+#
+# PCI devices
+#
+# CONFIG_SND_ALI5451 is not set
+# CONFIG_SND_ATIIXP is not set
+# CONFIG_SND_ATIIXP_MODEM is not set
+# CONFIG_SND_AU8810 is not set
+# CONFIG_SND_AU8820 is not set
+# CONFIG_SND_AU8830 is not set
+# CONFIG_SND_AZT3328 is not set
+# CONFIG_SND_BT87X is not set
+# CONFIG_SND_CS46XX is not set
+# CONFIG_SND_CS4281 is not set
+# CONFIG_SND_EMU10K1 is not set
+# CONFIG_SND_EMU10K1X is not set
+# CONFIG_SND_CA0106 is not set
+# CONFIG_SND_KORG1212 is not set
+# CONFIG_SND_MIXART is not set
+# CONFIG_SND_NM256 is not set
+# CONFIG_SND_RME32 is not set
+# CONFIG_SND_RME96 is not set
+# CONFIG_SND_RME9652 is not set
+# CONFIG_SND_HDSP is not set
+# CONFIG_SND_HDSPM is not set
+# CONFIG_SND_TRIDENT is not set
+# CONFIG_SND_YMFPCI is not set
+# CONFIG_SND_AD1889 is not set
+# CONFIG_SND_ALS4000 is not set
+# CONFIG_SND_CMIPCI is not set
+# CONFIG_SND_ENS1370 is not set
+# CONFIG_SND_ENS1371 is not set
+# CONFIG_SND_ES1938 is not set
+# CONFIG_SND_ES1968 is not set
+# CONFIG_SND_MAESTRO3 is not set
+# CONFIG_SND_FM801 is not set
+# CONFIG_SND_ICE1712 is not set
+# CONFIG_SND_ICE1724 is not set
+# CONFIG_SND_INTEL8X0 is not set
+# CONFIG_SND_INTEL8X0M is not set
+# CONFIG_SND_SONICVIBES is not set
+# CONFIG_SND_VIA82XX is not set
+# CONFIG_SND_VIA82XX_MODEM is not set
+# CONFIG_SND_VX222 is not set
+# CONFIG_SND_HDA_INTEL is not set
+
+#
+# ALSA PowerMac devices
+#
+CONFIG_SND_POWERMAC=m
+CONFIG_SND_POWERMAC_AUTO_DRC=y
+
+#
+# USB devices
+#
+CONFIG_SND_USB_AUDIO=m
+# CONFIG_SND_USB_USX2Y is not set
+
+#
+# Open Sound System
+#
+# CONFIG_SOUND_PRIME is not set
 
 #
 # USB support
@@ -958,12 +1102,16 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 #
 # USB Device Class drivers
 #
-# CONFIG_USB_BLUETOOTH_TTY is not set
+# CONFIG_OBSOLETE_OSS_USB_DRIVER is not set
 CONFIG_USB_ACM=m
 CONFIG_USB_PRINTER=y
 
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# may also be needed; see USB_STORAGE Help for more information
 #
 CONFIG_USB_STORAGE=y
 # CONFIG_USB_STORAGE_DEBUG is not set
@@ -1074,6 +1222,7 @@ CONFIG_USB_SERIAL_KEYSPAN_USA49WLC=y
 CONFIG_USB_SERIAL_KLSI=m
 CONFIG_USB_SERIAL_KOBIL_SCT=m
 CONFIG_USB_SERIAL_MCT_U232=m
+# CONFIG_USB_SERIAL_NOKIA_DKU2 is not set
 CONFIG_USB_SERIAL_PL2303=m
 # CONFIG_USB_SERIAL_HP4X is not set
 CONFIG_USB_SERIAL_SAFE=m
@@ -1311,6 +1460,20 @@ CONFIG_NLS_ISO8859_15=y
 CONFIG_NLS_UTF8=y
 
 #
+# Library routines
+#
+CONFIG_CRC_CCITT=m
+# CONFIG_CRC16 is not set
+CONFIG_CRC32=y
+CONFIG_LIBCRC32C=m
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=m
+CONFIG_TEXTSEARCH=y
+CONFIG_TEXTSEARCH_KMP=m
+CONFIG_TEXTSEARCH_BM=m
+CONFIG_TEXTSEARCH_FSM=m
+
+#
 # Profiling support
 #
 CONFIG_PROFILING=y
@@ -1331,12 +1494,14 @@ CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_DEBUG_KOBJECT is not set
 # CONFIG_DEBUG_INFO is not set
 CONFIG_DEBUG_FS=y
+# CONFIG_DEBUG_VM is not set
+# CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_DEBUG_STACKOVERFLOW is not set
 # CONFIG_KPROBES is not set
 # CONFIG_DEBUG_STACK_USAGE is not set
 # CONFIG_DEBUGGER is not set
-# CONFIG_PPCDBG is not set
 CONFIG_IRQSTACKS=y
+CONFIG_BOOTX_TEXT=y
 
 #
 # Security options
@@ -1376,17 +1541,3 @@ CONFIG_CRYPTO_TEST=m
 #
 # Hardware crypto devices
 #
-
-#
-# Library routines
-#
-CONFIG_CRC_CCITT=m
-# CONFIG_CRC16 is not set
-CONFIG_CRC32=y
-CONFIG_LIBCRC32C=m
-CONFIG_ZLIB_INFLATE=y
-CONFIG_ZLIB_DEFLATE=m
-CONFIG_TEXTSEARCH=y
-CONFIG_TEXTSEARCH_KMP=m
-CONFIG_TEXTSEARCH_BM=m
-CONFIG_TEXTSEARCH_FSM=m
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index b3e95ff0dba..ae1433da09b 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -604,6 +604,76 @@ _GLOBAL(real_writeb)
 #endif /* defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE) */
 
 /*
+ * SCOM access functions for 970 (FX only for now)
+ *
+ * unsigned long scom970_read(unsigned int address);
+ * void scom970_write(unsigned int address, unsigned long value);
+ *
+ * The address passed in is the 24 bits register address. This code
+ * is 970 specific and will not check the status bits, so you should
+ * know what you are doing.
+ */
+_GLOBAL(scom970_read)
+	/* interrupts off */
+	mfmsr	r4
+	ori	r0,r4,MSR_EE
+	xori	r0,r0,MSR_EE
+	mtmsrd	r0,1
+
+	/* rotate 24 bits SCOM address 8 bits left and mask out it's low 8 bits
+	 * (including parity). On current CPUs they must be 0'd,
+	 * and finally or in RW bit
+	 */
+	rlwinm	r3,r3,8,0,15
+	ori	r3,r3,0x8000
+
+	/* do the actual scom read */
+	sync
+	mtspr	SPRN_SCOMC,r3
+	isync
+	mfspr	r3,SPRN_SCOMD
+	isync
+	mfspr	r0,SPRN_SCOMC
+	isync
+
+	/* XXX:	fixup result on some buggy 970's (ouch ! we lost a bit, bah
+	 * that's the best we can do). Not implemented yet as we don't use
+	 * the scom on any of the bogus CPUs yet, but may have to be done
+	 * ultimately
+	 */
+
+	/* restore interrupts */
+	mtmsrd	r4,1
+	blr
+
+
+_GLOBAL(scom970_write)
+	/* interrupts off */
+	mfmsr	r5
+	ori	r0,r5,MSR_EE
+	xori	r0,r0,MSR_EE
+	mtmsrd	r0,1
+
+	/* rotate 24 bits SCOM address 8 bits left and mask out it's low 8 bits
+	 * (including parity). On current CPUs they must be 0'd.
+	 */
+
+	rlwinm	r3,r3,8,0,15
+
+	sync
+	mtspr	SPRN_SCOMD,r4      /* write data */
+	isync
+	mtspr	SPRN_SCOMC,r3      /* write command */
+	isync
+	mfspr	3,SPRN_SCOMC
+	isync
+
+	/* restore interrupts */
+	mtmsrd	r5,1
+	blr
+
+
+/*
  * Create a kernel thread
  *   kernel_thread(fn, arg, flags)
  */
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 7f64f0464d4..de69fb37c73 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -46,10 +46,10 @@
 #include <asm/processor.h>
 #include <asm/mmu.h>
 #include <asm/prom.h>
+#include <asm/machdep.h>
 #ifdef CONFIG_PPC64
 #include <asm/firmware.h>
 #include <asm/time.h>
-#include <asm/machdep.h>
 #endif
 
 extern unsigned long _get_SP(void);
@@ -203,10 +203,8 @@ int dump_spe(struct pt_regs *regs, elf_vrregset_t *evrregs)
 
 int set_dabr(unsigned long dabr)
 {
-#ifdef CONFIG_PPC64
 	if (ppc_md.set_dabr)
 		return ppc_md.set_dabr(dabr);
-#endif
 
 	mtspr(SPRN_DABR, dabr);
 	return 0;
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 3675ef4bac9..f645adb5753 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -1974,14 +1974,29 @@ EXPORT_SYMBOL(get_property);
 /*
  * Add a property to a node
  */
-void prom_add_property(struct device_node* np, struct property* prop)
+int prom_add_property(struct device_node* np, struct property* prop)
 {
-	struct property **next = &np->properties;
+	struct property **next;
 
 	prop->next = NULL;	
-	while (*next)
+	write_lock(&devtree_lock);
+	next = &np->properties;
+	while (*next) {
+		if (strcmp(prop->name, (*next)->name) == 0) {
+			/* duplicate ! don't insert it */
+			write_unlock(&devtree_lock);
+			return -1;
+		}
 		next = &(*next)->next;
+	}
 	*next = prop;
+	write_unlock(&devtree_lock);
+
+	/* try to add to proc as well if it was initialized */
+	if (np->pde)
+		proc_device_tree_add_prop(np->pde, prop);
+
+	return 0;
 }
 
 /* I quickly hacked that one, check against spec ! */
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index c758b6624d7..6dc33d19fc2 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -403,19 +403,19 @@ static int __init prom_next_node(phandle *nodep)
 	}
 }
 
-static int __init prom_getprop(phandle node, const char *pname,
+static int inline prom_getprop(phandle node, const char *pname,
 			       void *value, size_t valuelen)
 {
 	return call_prom("getprop", 4, 1, node, ADDR(pname),
 			 (u32)(unsigned long) value, (u32) valuelen);
 }
 
-static int __init prom_getproplen(phandle node, const char *pname)
+static int inline prom_getproplen(phandle node, const char *pname)
 {
 	return call_prom("getproplen", 2, 1, node, ADDR(pname));
 }
 
-static int __init prom_setprop(phandle node, const char *pname,
+static int inline prom_setprop(phandle node, const char *pname,
 			       void *value, size_t valuelen)
 {
 	return call_prom("setprop", 4, 1, node, ADDR(pname),
@@ -1408,8 +1408,9 @@ static int __init prom_find_machine_type(void)
 	struct prom_t *_prom = &RELOC(prom);
 	char compat[256];
 	int len, i = 0;
+#ifdef CONFIG_PPC64
 	phandle rtas;
-
+#endif
 	len = prom_getprop(_prom->root, "compatible",
 			   compat, sizeof(compat)-1);
 	if (len > 0) {
@@ -1872,7 +1873,7 @@ static void __init fixup_device_tree(void)
 	if (prom_getprop(u3, "device-rev", &u3_rev, sizeof(u3_rev))
 	    == PROM_ERROR)
 		return;
-	if (u3_rev != 0x35 && u3_rev != 0x37)
+	if (u3_rev < 0x35 || u3_rev > 0x39)
 		return;
 	/* does it need fixup ? */
 	if (prom_getproplen(i2c, "interrupts") > 0)
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index b7fc2d88495..9d4e07f6f1e 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -17,6 +17,7 @@
 #include <linux/spinlock.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/delay.h>
 
 #include <asm/prom.h>
 #include <asm/rtas.h>
@@ -83,7 +84,7 @@ void call_rtas_display_status_delay(unsigned char c)
 		while (width-- > 0)
 			call_rtas_display_status(' ');
 		width = 16;
-		udelay(500000);
+		mdelay(500);
 		pending_newline = 1;
 	} else {
 		if (pending_newline) {
@@ -608,7 +609,6 @@ asmlinkage int ppc_rtas(struct rtas_args __user *uargs)
 	return 0;
 }
 
-#ifdef CONFIG_SMP
 /* This version can't take the spinlock, because it never returns */
 
 struct rtas_args rtas_stop_self_args = {
@@ -633,7 +633,6 @@ void rtas_stop_self(void)
 
 	panic("Alas, I survived.\n");
 }
-#endif
 
 /*
  * Call early during boot, before mem init or bootmem, to retreive the RTAS
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index d43fa8c0e5a..e22856ecb5a 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -405,6 +405,46 @@ static int __init set_preferred_console(void)
 console_initcall(set_preferred_console);
 #endif /* CONFIG_PPC_MULTIPLATFORM */
 
+void __init check_for_initrd(void)
+{
+#ifdef CONFIG_BLK_DEV_INITRD
+	unsigned long *prop;
+
+	DBG(" -> check_for_initrd()\n");
+
+	if (of_chosen) {
+		prop = (unsigned long *)get_property(of_chosen,
+				"linux,initrd-start", NULL);
+		if (prop != NULL) {
+			initrd_start = (unsigned long)__va(*prop);
+			prop = (unsigned long *)get_property(of_chosen,
+					"linux,initrd-end", NULL);
+			if (prop != NULL) {
+				initrd_end = (unsigned long)__va(*prop);
+				initrd_below_start_ok = 1;
+			} else
+				initrd_start = 0;
+		}
+	}
+
+	/* If we were passed an initrd, set the ROOT_DEV properly if the values
+	 * look sensible. If not, clear initrd reference.
+	 */
+	if (initrd_start >= KERNELBASE && initrd_end >= KERNELBASE &&
+	    initrd_end > initrd_start)
+		ROOT_DEV = Root_RAM0;
+	else {
+		printk("Bogus initrd %08lx %08lx\n", initrd_start, initrd_end);
+		initrd_start = initrd_end = 0;
+	}
+
+	if (initrd_start)
+		printk("Found initrd at 0x%lx:0x%lx\n", initrd_start, initrd_end);
+
+	DBG(" <- check_for_initrd()\n");
+#endif /* CONFIG_BLK_DEV_INITRD */
+}
+
 #ifdef CONFIG_SMP
 
 /**
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index b45eedbb4b3..3af2631e3fa 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -286,6 +286,7 @@ void __init setup_arch(char **cmdline_p)
 	loops_per_jiffy = 500000000 / HZ;
 
 	unflatten_device_tree();
+	check_for_initrd();
 	finish_device_tree();
 
 	smp_setup_cpu_maps();
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index b0994050024..0471e843b6c 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -41,7 +41,6 @@
 #include <asm/elf.h>
 #include <asm/machdep.h>
 #include <asm/paca.h>
-#include <asm/ppcdebug.h>
 #include <asm/time.h>
 #include <asm/cputable.h>
 #include <asm/sections.h>
@@ -60,6 +59,7 @@
 #include <asm/firmware.h>
 #include <asm/systemcfg.h>
 #include <asm/xmon.h>
+#include <asm/udbg.h>
 
 #ifdef DEBUG
 #define DBG(fmt...) udbg_printf(fmt)
@@ -244,12 +244,6 @@ void __init early_setup(unsigned long dt_ptr)
 	DBG(" -> early_setup()\n");
 
 	/*
-	 * Fill the default DBG level (do we want to keep
-	 * that old mecanism around forever ?)
-	 */
-	ppcdbg_initialize();
-
-	/*
 	 * Do early initializations using the flattened device
 	 * tree, like retreiving the physical memory map or
 	 * calculating/retreiving the hash table size
@@ -401,43 +395,6 @@ static void __init initialize_cache_info(void)
 	DBG(" <- initialize_cache_info()\n");
 }
 
-static void __init check_for_initrd(void)
-{
-#ifdef CONFIG_BLK_DEV_INITRD
-	u64 *prop;
-
-	DBG(" -> check_for_initrd()\n");
-
-	if (of_chosen) {
-		prop = (u64 *)get_property(of_chosen,
-				"linux,initrd-start", NULL);
-		if (prop != NULL) {
-			initrd_start = (unsigned long)__va(*prop);
-			prop = (u64 *)get_property(of_chosen,
-					"linux,initrd-end", NULL);
-			if (prop != NULL) {
-				initrd_end = (unsigned long)__va(*prop);
-				initrd_below_start_ok = 1;
-			} else
-				initrd_start = 0;
-		}
-	}
-
-	/* If we were passed an initrd, set the ROOT_DEV properly if the values
-	 * look sensible. If not, clear initrd reference.
-	 */
-	if (initrd_start >= KERNELBASE && initrd_end >= KERNELBASE &&
-	    initrd_end > initrd_start)
-		ROOT_DEV = Root_RAM0;
-	else
-		initrd_start = initrd_end = 0;
-
-	if (initrd_start)
-		printk("Found initrd at 0x%lx:0x%lx\n", initrd_start, initrd_end);
-
-	DBG(" <- check_for_initrd()\n");
-#endif /* CONFIG_BLK_DEV_INITRD */
-}
 
 /*
  * Do some initial setup of the system.  The parameters are those which 
@@ -521,7 +478,6 @@ void __init setup_system(void)
 
 	printk("-----------------------------------------------------\n");
 	printk("ppc64_pft_size                = 0x%lx\n", ppc64_pft_size);
-	printk("ppc64_debug_switch            = 0x%lx\n", ppc64_debug_switch);
 	printk("ppc64_interrupt_controller    = 0x%ld\n", ppc64_interrupt_controller);
 	printk("systemcfg                     = 0x%p\n", systemcfg);
 	printk("systemcfg->platform           = 0x%x\n", systemcfg->platform);
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 876c57c1136..081d931eae4 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -44,7 +44,6 @@
 #include <asm/cacheflush.h>
 #ifdef CONFIG_PPC64
 #include "ppc32.h"
-#include <asm/ppcdebug.h>
 #include <asm/unistd.h>
 #include <asm/vdso.h>
 #else
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index ec9d0984b6a..58194e15071 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -33,7 +33,6 @@
 #include <asm/ucontext.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
-#include <asm/ppcdebug.h>
 #include <asm/unistd.h>
 #include <asm/cacheflush.h>
 #include <asm/vdso.h>
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 1794a694a92..5c330c3366e 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -40,7 +40,6 @@
 #include <asm/prom.h>
 #include <asm/smp.h>
 #include <asm/time.h>
-#include <asm/xmon.h>
 #include <asm/machdep.h>
 #include <asm/cputable.h>
 #include <asm/system.h>
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index b1c89bc4bf9..a6282b625b4 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -61,6 +61,7 @@
 #include <asm/prom.h>
 #include <asm/irq.h>
 #include <asm/div64.h>
+#include <asm/smp.h>
 #ifdef CONFIG_PPC64
 #include <asm/systemcfg.h>
 #include <asm/firmware.h>
@@ -119,10 +120,6 @@ static unsigned adjusting_time = 0;
 unsigned long ppc_proc_freq;
 unsigned long ppc_tb_freq;
 
-#ifdef CONFIG_PPC32	/* XXX for now */
-#define boot_cpuid	0
-#endif
-
 u64 tb_last_jiffy __cacheline_aligned_in_smp;
 unsigned long tb_last_stamp;
 
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 07e5ee40b87..32f215825e8 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -39,7 +39,6 @@
 #include <asm/io.h>
 #include <asm/machdep.h>
 #include <asm/rtas.h>
-#include <asm/xmon.h>
 #include <asm/pmc.h>
 #ifdef CONFIG_PPC32
 #include <asm/reg.h>
@@ -748,22 +747,12 @@ static int check_bug_trap(struct pt_regs *regs)
 		return 0;
 	if (bug->line & BUG_WARNING_TRAP) {
 		/* this is a WARN_ON rather than BUG/BUG_ON */
-#ifdef CONFIG_XMON
-		xmon_printf(KERN_ERR "Badness in %s at %s:%ld\n",
-		       bug->function, bug->file,
-		       bug->line & ~BUG_WARNING_TRAP);
-#endif /* CONFIG_XMON */		
 		printk(KERN_ERR "Badness in %s at %s:%ld\n",
 		       bug->function, bug->file,
 		       bug->line & ~BUG_WARNING_TRAP);
 		dump_stack();
 		return 1;
 	}
-#ifdef CONFIG_XMON
-	xmon_printf(KERN_CRIT "kernel BUG in %s at %s:%ld!\n",
-	       bug->function, bug->file, bug->line);
-	xmon(regs);
-#endif /* CONFIG_XMON */
 	printk(KERN_CRIT "kernel BUG in %s at %s:%ld!\n",
 	       bug->function, bug->file, bug->line);
 
diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c
index 2a912f411eb..35bd03c41dd 100644
--- a/arch/powerpc/lib/locks.c
+++ b/arch/powerpc/lib/locks.c
@@ -23,6 +23,7 @@
 #if defined(CONFIG_PPC_SPLPAR) || defined(CONFIG_PPC_ISERIES)
 #include <asm/hvcall.h>
 #include <asm/iseries/hv_call.h>
+#include <asm/smp.h>
 
 void __spin_yield(raw_spinlock_t *lock)
 {
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 841d8b6323a..93d4fbfdb72 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -389,5 +389,22 @@ void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig)
 	}
 
 	/* kernel has accessed a bad area */
+
+	printk(KERN_ALERT "Unable to handle kernel paging request for ");
+	switch (regs->trap) {
+		case 0x300:
+		case 0x380:
+			printk("data at address 0x%08lx\n", regs->dar);
+			break;
+		case 0x400:
+		case 0x480:
+			printk("instruction fetch\n");
+			break;
+		default:
+			printk("unknown fault\n");
+	}
+	printk(KERN_ALERT "Faulting instruction address: 0x%08lx\n",
+		regs->nip);
+
 	die("Kernel access of bad area", regs, sig);
 }
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index f15dfb92dec..22e47487613 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -33,7 +33,6 @@
 #include <linux/init.h>
 #include <linux/signal.h>
 
-#include <asm/ppcdebug.h>
 #include <asm/processor.h>
 #include <asm/pgtable.h>
 #include <asm/mmu.h>
@@ -409,12 +408,6 @@ void __init htab_initialize(void)
 	htab_size_bytes = htab_get_table_size();
 	pteg_count = htab_size_bytes >> 7;
 
-	/* For debug, make the HTAB 1/8 as big as it normally would be. */
-	ifppcdebug(PPCDBG_HTABSIZE) {
-		pteg_count >>= 3;
-		htab_size_bytes = pteg_count << 7;
-	}
-
 	htab_hash_mask = pteg_count - 1;
 
 	if (systemcfg->platform & PLATFORM_LPAR) {
@@ -514,6 +507,9 @@ unsigned int hash_page_do_lazy_icache(unsigned int pp, pte_t pte, int trap)
 {
 	struct page *page;
 
+	if (!pfn_valid(pte_pfn(pte)))
+		return pp;
+
 	page = pte_page(pte);
 
 	/* page is dirty */
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index dfe7fa37b41..ce974c83d88 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -57,7 +57,6 @@
 #include <asm/processor.h>
 #include <asm/mmzone.h>
 #include <asm/cputable.h>
-#include <asm/ppcdebug.h>
 #include <asm/sections.h>
 #include <asm/system.h>
 #include <asm/iommu.h>
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 7faa46b71f2..6f55efd9be9 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -358,7 +358,7 @@ void __init mem_init(void)
 	}
 
 	codesize = (unsigned long)&_sdata - (unsigned long)&_stext;
-	datasize = (unsigned long)&__init_begin - (unsigned long)&_sdata;
+	datasize = (unsigned long)&_edata - (unsigned long)&_sdata;
 	initsize = (unsigned long)&__init_end - (unsigned long)&__init_begin;
 	bsssize = (unsigned long)&__bss_stop - (unsigned long)&__bss_start;
 
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 4035cad8d7f..da09ba03c42 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -21,6 +21,7 @@
 #include <asm/machdep.h>
 #include <asm/abs_addr.h>
 #include <asm/system.h>
+#include <asm/smp.h>
 
 static int numa_enabled = 1;
 
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index 51b78694097..900842451bd 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -59,7 +59,6 @@
 #include <asm/processor.h>
 #include <asm/mmzone.h>
 #include <asm/cputable.h>
-#include <asm/ppcdebug.h>
 #include <asm/sections.h>
 #include <asm/system.h>
 #include <asm/iommu.h>
diff --git a/arch/powerpc/oprofile/op_model_power4.c b/arch/powerpc/oprofile/op_model_power4.c
index 88644931584..c4ee5478427 100644
--- a/arch/powerpc/oprofile/op_model_power4.c
+++ b/arch/powerpc/oprofile/op_model_power4.c
@@ -17,6 +17,7 @@
 #include <asm/systemcfg.h>
 #include <asm/rtas.h>
 #include <asm/oprofile_impl.h>
+#include <asm/reg.h>
 
 #define dbg(args...)
 
@@ -81,6 +82,26 @@ static void power4_reg_setup(struct op_counter_config *ctr,
 
 extern void ppc64_enable_pmcs(void);
 
+/*
+ * Older CPUs require the MMCRA sample bit to be always set, but newer 
+ * CPUs only want it set for some groups. Eventually we will remove all
+ * knowledge of this bit in the kernel, oprofile userspace should be
+ * setting it when required.
+ *
+ * In order to keep current installations working we force the bit for
+ * those older CPUs. Once everyone has updated their oprofile userspace we
+ * can remove this hack.
+ */
+static inline int mmcra_must_set_sample(void)
+{
+	if (__is_processor(PV_POWER4) || __is_processor(PV_POWER4p) ||
+	    __is_processor(PV_970) || __is_processor(PV_970FX) ||
+	    __is_processor(PV_970MP))
+		return 1;
+
+	return 0;
+}
+
 static void power4_cpu_setup(void *unused)
 {
 	unsigned int mmcr0 = mmcr0_val;
@@ -98,7 +119,8 @@ static void power4_cpu_setup(void *unused)
 
 	mtspr(SPRN_MMCR1, mmcr1_val);
 
-	mmcra |= MMCRA_SAMPLE_ENABLE;
+	if (mmcra_must_set_sample())
+		mmcra |= MMCRA_SAMPLE_ENABLE;
 	mtspr(SPRN_MMCRA, mmcra);
 
 	dbg("setup on cpu %d, mmcr0 %lx\n", smp_processor_id(),
diff --git a/arch/powerpc/platforms/iseries/irq.c b/arch/powerpc/platforms/iseries/irq.c
index c1135912cc0..a06603d84a4 100644
--- a/arch/powerpc/platforms/iseries/irq.c
+++ b/arch/powerpc/platforms/iseries/irq.c
@@ -35,7 +35,6 @@
 #include <linux/irq.h>
 #include <linux/spinlock.h>
 
-#include <asm/ppcdebug.h>
 #include <asm/iseries/hv_types.h>
 #include <asm/iseries/hv_lp_event.h>
 #include <asm/iseries/hv_call_xm.h>
@@ -227,8 +226,6 @@ static void iSeries_enable_IRQ(unsigned int irq)
 	/* Unmask secondary INTA */
 	mask = 0x80000000;
 	HvCallPci_unmaskInterrupts(bus, subBus, deviceId, mask);
-	PPCDBG(PPCDBG_BUSWALK, "iSeries_enable_IRQ 0x%02X.%02X.%02X 0x%04X\n",
-			bus, subBus, deviceId, irq);
 }
 
 /* This is called by iSeries_activate_IRQs */
@@ -310,8 +307,6 @@ static void iSeries_disable_IRQ(unsigned int irq)
 	/* Mask secondary INTA   */
 	mask = 0x80000000;
 	HvCallPci_maskInterrupts(bus, subBus, deviceId, mask);
-	PPCDBG(PPCDBG_BUSWALK, "iSeries_disable_IRQ 0x%02X.%02X.%02X 0x%04X\n",
-			bus, subBus, deviceId, irq);
 }
 
 /*
diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c
index 7d7d5884343..4b75131773a 100644
--- a/arch/powerpc/platforms/iseries/pci.c
+++ b/arch/powerpc/platforms/iseries/pci.c
@@ -32,7 +32,6 @@
 #include <asm/prom.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/ppcdebug.h>
 #include <asm/iommu.h>
 #include <asm/abs_addr.h>
 
@@ -207,10 +206,6 @@ static struct device_node *build_device_node(HvBusNumber Bus,
 	struct device_node *node;
 	struct pci_dn *pdn;
 
-	PPCDBG(PPCDBG_BUSWALK,
-			"-build_device_node 0x%02X.%02X.%02X Function: %02X\n",
-			Bus, SubBus, AgentId, Function);
-
 	node = kmalloc(sizeof(struct device_node), GFP_KERNEL);
 	if (node == NULL)
 		return NULL;
@@ -243,8 +238,6 @@ unsigned long __init find_and_init_phbs(void)
 	struct pci_controller *phb;
 	HvBusNumber bus;
 
-	PPCDBG(PPCDBG_BUSWALK, "find_and_init_phbs Entry\n");
-
 	/* Check all possible buses. */
 	for (bus = 0; bus < 256; bus++) {
 		int ret = HvCallXm_testBus(bus);
@@ -261,9 +254,6 @@ unsigned long __init find_and_init_phbs(void)
 			phb->last_busno = bus;
 			phb->ops = &iSeries_pci_ops;
 
-			PPCDBG(PPCDBG_BUSWALK, "PCI:Create iSeries pci_controller(%p), Bus: %04X\n",
-					phb, bus);
-
 			/* Find and connect the devices. */
 			scan_PHB_slots(phb);
 		}
@@ -285,11 +275,9 @@ unsigned long __init find_and_init_phbs(void)
  */
 void iSeries_pcibios_init(void)
 {
-	PPCDBG(PPCDBG_BUSWALK, "iSeries_pcibios_init Entry.\n");
 	iomm_table_initialize();
 	find_and_init_phbs();
 	io_page_mask = -1;
-	PPCDBG(PPCDBG_BUSWALK, "iSeries_pcibios_init Exit.\n");
 }
 
 /*
@@ -301,8 +289,6 @@ void __init iSeries_pci_final_fixup(void)
 	struct device_node *node;
 	int DeviceCount = 0;
 
-	PPCDBG(PPCDBG_BUSWALK, "iSeries_pcibios_fixup Entry.\n");
-
 	/* Fix up at the device node and pci_dev relationship */
 	mf_display_src(0xC9000100);
 
@@ -316,9 +302,6 @@ void __init iSeries_pci_final_fixup(void)
 			++DeviceCount;
 			pdev->sysdata = (void *)node;
 			PCI_DN(node)->pcidev = pdev;
-			PPCDBG(PPCDBG_BUSWALK,
-					"pdev 0x%p <==> DevNode 0x%p\n",
-					pdev, node);
 			allocate_device_bars(pdev);
 			iSeries_Device_Information(pdev, DeviceCount);
 			iommu_devnode_init_iSeries(node);
@@ -333,13 +316,10 @@ void __init iSeries_pci_final_fixup(void)
 
 void pcibios_fixup_bus(struct pci_bus *PciBus)
 {
-	PPCDBG(PPCDBG_BUSWALK, "iSeries_pcibios_fixup_bus(0x%04X) Entry.\n",
-			PciBus->number);
 }
 
 void pcibios_fixup_resources(struct pci_dev *pdev)
 {
-	PPCDBG(PPCDBG_BUSWALK, "fixup_resources pdev %p\n", pdev);
 }
 
 /*
@@ -401,9 +381,6 @@ static void scan_EADS_bridge(HvBusNumber bus, HvSubBusNumber SubBus,
 			printk("found device at bus %d idsel %d func %d (AgentId %x)\n",
 			       bus, IdSel, Function, AgentId);
 			/*  Connect EADs: 0x18.00.12 = 0x00 */
-			PPCDBG(PPCDBG_BUSWALK,
-					"PCI:Connect EADs: 0x%02X.%02X.%02X\n",
-					bus, SubBus, AgentId);
 			HvRc = HvCallPci_getBusUnitInfo(bus, SubBus, AgentId,
 					iseries_hv_addr(BridgeInfo),
 					sizeof(struct HvCallPci_BridgeInfo));
@@ -414,14 +391,6 @@ static void scan_EADS_bridge(HvBusNumber bus, HvSubBusNumber SubBus,
 					BridgeInfo->maxAgents,
 					BridgeInfo->maxSubBusNumber,
 					BridgeInfo->logicalSlotNumber);
-				PPCDBG(PPCDBG_BUSWALK,
-					"PCI: BridgeInfo, Type:0x%02X, SubBus:0x%02X, MaxAgents:0x%02X, MaxSubBus: 0x%02X, LSlot: 0x%02X\n",
-					BridgeInfo->busUnitInfo.deviceType,
-					BridgeInfo->subBusNumber,
-					BridgeInfo->maxAgents,
-					BridgeInfo->maxSubBusNumber,
-					BridgeInfo->logicalSlotNumber);
-
 				if (BridgeInfo->busUnitInfo.deviceType ==
 						HvCallPci_BridgeDevice)  {
 					/* Scan_Bridge_Slot...: 0x18.00.12 */
@@ -454,9 +423,6 @@ static int scan_bridge_slot(HvBusNumber Bus,
 
 	/* iSeries_allocate_IRQ.: 0x18.00.12(0xA3) */
 	Irq = iSeries_allocate_IRQ(Bus, 0, EADsIdSel);
-	PPCDBG(PPCDBG_BUSWALK,
-		"PCI:- allocate and assign IRQ 0x%02X.%02X.%02X = 0x%02X\n",
-		Bus, 0, EADsIdSel, Irq);
 
 	/*
 	 * Connect all functions of any device found.
@@ -482,9 +448,6 @@ static int scan_bridge_slot(HvBusNumber Bus,
 			printk("read vendor ID: %x\n", VendorId);
 
 			/* FoundDevice: 0x18.28.10 = 0x12AE */
-			PPCDBG(PPCDBG_BUSWALK,
-			       "PCI:- FoundDevice: 0x%02X.%02X.%02X = 0x%04X, irq %d\n",
-			       Bus, SubBus, AgentId, VendorId, Irq);
 			HvRc = HvCallPci_configStore8(Bus, SubBus, AgentId,
 						      PCI_INTERRUPT_LINE, Irq);
 			if (HvRc != 0)
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index c5207064977..d3e4bf756c8 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -71,8 +71,6 @@ extern void hvlog(char *fmt, ...);
 #endif
 
 /* Function Prototypes */
-extern void ppcdbg_initialize(void);
-
 static void build_iSeries_Memory_Map(void);
 static void iseries_shared_idle(void);
 static void iseries_dedicated_idle(void);
@@ -309,8 +307,6 @@ static void __init iSeries_init_early(void)
 
 	ppc64_firmware_features = FW_FEATURE_ISERIES;
 
-	ppcdbg_initialize();
-
 	ppc64_interrupt_controller = IC_ISERIES;
 
 #if defined(CONFIG_BLK_DEV_INITRD)
diff --git a/arch/powerpc/platforms/iseries/smp.c b/arch/powerpc/platforms/iseries/smp.c
index 3336bad6772..fcb094ec6ae 100644
--- a/arch/powerpc/platforms/iseries/smp.c
+++ b/arch/powerpc/platforms/iseries/smp.c
@@ -40,7 +40,6 @@
 #include <asm/paca.h>
 #include <asm/iseries/hv_call.h>
 #include <asm/time.h>
-#include <asm/ppcdebug.h>
 #include <asm/machdep.h>
 #include <asm/cputable.h>
 #include <asm/system.h>
diff --git a/arch/powerpc/platforms/powermac/Makefile b/arch/powerpc/platforms/powermac/Makefile
index 4369676f1d5..c9df44fcf57 100644
--- a/arch/powerpc/platforms/powermac/Makefile
+++ b/arch/powerpc/platforms/powermac/Makefile
@@ -1,7 +1,8 @@
 obj-y				+= pic.o setup.o time.o feature.o pci.o \
 				   sleep.o low_i2c.o cache.o
 obj-$(CONFIG_PMAC_BACKLIGHT)	+= backlight.o
-obj-$(CONFIG_CPU_FREQ_PMAC)	+= cpufreq.o
+obj-$(CONFIG_CPU_FREQ_PMAC)	+= cpufreq_32.o
+obj-$(CONFIG_CPU_FREQ_PMAC64)	+= cpufreq_64.o
 obj-$(CONFIG_NVRAM)		+= nvram.o
 # ppc64 pmac doesn't define CONFIG_NVRAM but needs nvram stuff
 obj-$(CONFIG_PPC64)		+= nvram.o
diff --git a/arch/powerpc/platforms/powermac/cpufreq.c b/arch/powerpc/platforms/powermac/cpufreq_32.c
index c47f8b69725..56fd4e05fed 100644
--- a/arch/powerpc/platforms/powermac/cpufreq.c
+++ b/arch/powerpc/platforms/powermac/cpufreq_32.c
@@ -397,18 +397,16 @@ static int pmac_cpufreq_target(	struct cpufreq_policy *policy,
 					unsigned int relation)
 {
 	unsigned int    newstate = 0;
+	int		rc;
 
 	if (cpufreq_frequency_table_target(policy, pmac_cpu_freqs,
 			target_freq, relation, &newstate))
 		return -EINVAL;
 
-	return do_set_cpu_speed(newstate, 1);
-}
+	rc = do_set_cpu_speed(newstate, 1);
 
-unsigned int pmac_get_one_cpufreq(int i)
-{
-	/* Supports only one CPU for now */
-	return (i == 0) ? cur_freq : 0;
+	ppc_proc_freq = cur_freq * 1000ul;
+	return rc;
 }
 
 static int pmac_cpufreq_cpu_init(struct cpufreq_policy *policy)
@@ -474,6 +472,8 @@ static int pmac_cpufreq_resume(struct cpufreq_policy *policy)
 	do_set_cpu_speed(sleep_freq == low_freq ?
 			 CPUFREQ_LOW : CPUFREQ_HIGH, 0);
 
+	ppc_proc_freq = cur_freq * 1000ul;
+
 	no_schedule = 0;
 	return 0;
 }
@@ -547,7 +547,7 @@ static int pmac_cpufreq_init_MacRISC3(struct device_node *cpunode)
 		 */
 		if (low_freq < 98000000)
 			low_freq = 101000000;
-			
+
 		/* Convert those to CPU core clocks */
 		low_freq = (low_freq * (*ratio)) / 2000;
 		hi_freq = (hi_freq * (*ratio)) / 2000;
@@ -714,6 +714,7 @@ out:
 
 	pmac_cpu_freqs[CPUFREQ_LOW].frequency = low_freq;
 	pmac_cpu_freqs[CPUFREQ_HIGH].frequency = hi_freq;
+	ppc_proc_freq = cur_freq * 1000ul;
 
 	printk(KERN_INFO "Registering PowerMac CPU frequency driver\n");
 	printk(KERN_INFO "Low: %d Mhz, High: %d Mhz, Boot: %d Mhz\n",
diff --git a/arch/powerpc/platforms/powermac/cpufreq_64.c b/arch/powerpc/platforms/powermac/cpufreq_64.c
new file mode 100644
index 00000000000..39150342c6f
--- /dev/null
+++ b/arch/powerpc/platforms/powermac/cpufreq_64.c
@@ -0,0 +1,323 @@
+/*
+ *  Copyright (C) 2002 - 2005 Benjamin Herrenschmidt <benh@kernel.crashing.org>
+ *  and                       Markus Demleitner <msdemlei@cl.uni-heidelberg.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This driver adds basic cpufreq support for SMU & 970FX based G5 Macs,
+ * that is iMac G5 and latest single CPU desktop.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/cpufreq.h>
+#include <linux/init.h>
+#include <linux/completion.h>
+#include <asm/prom.h>
+#include <asm/machdep.h>
+#include <asm/irq.h>
+#include <asm/sections.h>
+#include <asm/cputable.h>
+#include <asm/time.h>
+#include <asm/smu.h>
+
+#undef DEBUG
+
+#ifdef DEBUG
+#define DBG(fmt...) printk(fmt)
+#else
+#define DBG(fmt...)
+#endif
+
+/* see 970FX user manual */
+
+#define SCOM_PCR 0x0aa001			/* PCR scom addr */
+
+#define PCR_HILO_SELECT		0x80000000U	/* 1 = PCR, 0 = PCRH */
+#define PCR_SPEED_FULL		0x00000000U	/* 1:1 speed value */
+#define PCR_SPEED_HALF		0x00020000U	/* 1:2 speed value */
+#define PCR_SPEED_QUARTER	0x00040000U	/* 1:4 speed value */
+#define PCR_SPEED_MASK		0x000e0000U	/* speed mask */
+#define PCR_SPEED_SHIFT		17
+#define PCR_FREQ_REQ_VALID	0x00010000U	/* freq request valid */
+#define PCR_VOLT_REQ_VALID	0x00008000U	/* volt request valid */
+#define PCR_TARGET_TIME_MASK	0x00006000U	/* target time */
+#define PCR_STATLAT_MASK	0x00001f00U	/* STATLAT value */
+#define PCR_SNOOPLAT_MASK	0x000000f0U	/* SNOOPLAT value */
+#define PCR_SNOOPACC_MASK	0x0000000fU	/* SNOOPACC value */
+
+#define SCOM_PSR 0x408001			/* PSR scom addr */
+/* warning: PSR is a 64 bits register */
+#define PSR_CMD_RECEIVED	0x2000000000000000U   /* command received */
+#define PSR_CMD_COMPLETED	0x1000000000000000U   /* command completed */
+#define PSR_CUR_SPEED_MASK	0x0300000000000000U   /* current speed */
+#define PSR_CUR_SPEED_SHIFT	(56)
+
+/*
+ * The G5 only supports two frequencies (Quarter speed is not supported)
+ */
+#define CPUFREQ_HIGH                  0
+#define CPUFREQ_LOW                   1
+
+static struct cpufreq_frequency_table g5_cpu_freqs[] = {
+	{CPUFREQ_HIGH, 		0},
+	{CPUFREQ_LOW,		0},
+	{0,			CPUFREQ_TABLE_END},
+};
+
+static struct freq_attr* g5_cpu_freqs_attr[] = {
+	&cpufreq_freq_attr_scaling_available_freqs,
+	NULL,
+};
+
+/* Power mode data is an array of the 32 bits PCR values to use for
+ * the various frequencies, retreived from the device-tree
+ */
+static u32 *g5_pmode_data;
+static int g5_pmode_max;
+static int g5_pmode_cur;
+
+static DECLARE_MUTEX(g5_switch_mutex);
+
+
+static struct smu_sdbp_fvt *g5_fvt_table;	/* table of op. points */
+static int g5_fvt_count;			/* number of op. points */
+static int g5_fvt_cur;				/* current op. point */
+
+/* ----------------- real hardware interface */
+
+static void g5_switch_volt(int speed_mode)
+{
+	struct smu_simple_cmd	cmd;
+
+	DECLARE_COMPLETION(comp);
+	smu_queue_simple(&cmd, SMU_CMD_POWER_COMMAND, 8, smu_done_complete,
+			 &comp, 'V', 'S', 'L', 'E', 'W',
+			 0xff, g5_fvt_cur+1, speed_mode);
+	wait_for_completion(&comp);
+}
+
+static int g5_switch_freq(int speed_mode)
+{
+	struct cpufreq_freqs freqs;
+	int to;
+
+	if (g5_pmode_cur == speed_mode)
+		return 0;
+
+	down(&g5_switch_mutex);
+
+	freqs.old = g5_cpu_freqs[g5_pmode_cur].frequency;
+	freqs.new = g5_cpu_freqs[speed_mode].frequency;
+	freqs.cpu = 0;
+
+	cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+
+	/* If frequency is going up, first ramp up the voltage */
+	if (speed_mode < g5_pmode_cur)
+		g5_switch_volt(speed_mode);
+
+	/* Clear PCR high */
+	scom970_write(SCOM_PCR, 0);
+	/* Clear PCR low */
+       	scom970_write(SCOM_PCR, PCR_HILO_SELECT | 0);
+	/* Set PCR low */
+	scom970_write(SCOM_PCR, PCR_HILO_SELECT |
+		      g5_pmode_data[speed_mode]);
+
+	/* Wait for completion */
+	for (to = 0; to < 10; to++) {
+		unsigned long psr = scom970_read(SCOM_PSR);
+
+		if ((psr & PSR_CMD_RECEIVED) == 0 &&
+		    (((psr >> PSR_CUR_SPEED_SHIFT) ^
+		      (g5_pmode_data[speed_mode] >> PCR_SPEED_SHIFT)) & 0x3)
+		    == 0)
+			break;
+		if (psr & PSR_CMD_COMPLETED)
+			break;
+		udelay(100);
+	}
+
+	/* If frequency is going down, last ramp the voltage */
+	if (speed_mode > g5_pmode_cur)
+		g5_switch_volt(speed_mode);
+
+	g5_pmode_cur = speed_mode;
+	ppc_proc_freq = g5_cpu_freqs[speed_mode].frequency * 1000ul;
+
+	cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+
+	up(&g5_switch_mutex);
+
+	return 0;
+}
+
+static int g5_query_freq(void)
+{
+	unsigned long psr = scom970_read(SCOM_PSR);
+	int i;
+
+	for (i = 0; i <= g5_pmode_max; i++)
+		if ((((psr >> PSR_CUR_SPEED_SHIFT) ^
+		      (g5_pmode_data[i] >> PCR_SPEED_SHIFT)) & 0x3) == 0)
+			break;
+	return i;
+}
+
+/* ----------------- cpufreq bookkeeping */
+
+static int g5_cpufreq_verify(struct cpufreq_policy *policy)
+{
+	return cpufreq_frequency_table_verify(policy, g5_cpu_freqs);
+}
+
+static int g5_cpufreq_target(struct cpufreq_policy *policy,
+	unsigned int target_freq, unsigned int relation)
+{
+	unsigned int    newstate = 0;
+
+	if (cpufreq_frequency_table_target(policy, g5_cpu_freqs,
+			target_freq, relation, &newstate))
+		return -EINVAL;
+
+	return g5_switch_freq(newstate);
+}
+
+static unsigned int g5_cpufreq_get_speed(unsigned int cpu)
+{
+	return g5_cpu_freqs[g5_pmode_cur].frequency;
+}
+
+static int g5_cpufreq_cpu_init(struct cpufreq_policy *policy)
+{
+	if (policy->cpu != 0)
+		return -ENODEV;
+
+	policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
+	policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
+	policy->cur = g5_cpu_freqs[g5_query_freq()].frequency;
+	cpufreq_frequency_table_get_attr(g5_cpu_freqs, policy->cpu);
+
+	return cpufreq_frequency_table_cpuinfo(policy,
+		g5_cpu_freqs);
+}
+
+
+static struct cpufreq_driver g5_cpufreq_driver = {
+	.name		= "powermac",
+	.owner		= THIS_MODULE,
+	.flags		= CPUFREQ_CONST_LOOPS,
+	.init		= g5_cpufreq_cpu_init,
+	.verify		= g5_cpufreq_verify,
+	.target		= g5_cpufreq_target,
+	.get		= g5_cpufreq_get_speed,
+	.attr 		= g5_cpu_freqs_attr,
+};
+
+
+static int __init g5_cpufreq_init(void)
+{
+	struct device_node *cpunode;
+	unsigned int psize, ssize;
+	struct smu_sdbp_header *shdr;
+	unsigned long max_freq;
+	u32 *valp;
+	int rc = -ENODEV;
+
+	/* Look for CPU and SMU nodes */
+	cpunode = of_find_node_by_type(NULL, "cpu");
+	if (!cpunode) {
+		DBG("No CPU node !\n");
+		return -ENODEV;
+	}
+
+	/* Check 970FX for now */
+	valp = (u32 *)get_property(cpunode, "cpu-version", NULL);
+	if (!valp) {
+		DBG("No cpu-version property !\n");
+		goto bail_noprops;
+	}
+	if (((*valp) >> 16) != 0x3c) {
+		DBG("Wrong CPU version: %08x\n", *valp);
+		goto bail_noprops;
+	}
+
+	/* Look for the powertune data in the device-tree */
+	g5_pmode_data = (u32 *)get_property(cpunode, "power-mode-data",&psize);
+	if (!g5_pmode_data) {
+		DBG("No power-mode-data !\n");
+		goto bail_noprops;
+	}
+	g5_pmode_max = psize / sizeof(u32) - 1;
+
+	/* Look for the FVT table */
+	shdr = smu_get_sdb_partition(SMU_SDB_FVT_ID, NULL);
+	if (!shdr)
+		goto bail_noprops;
+	g5_fvt_table = (struct smu_sdbp_fvt *)&shdr[1];
+	ssize = (shdr->len * sizeof(u32)) - sizeof(struct smu_sdbp_header);
+	g5_fvt_count = ssize / sizeof(struct smu_sdbp_fvt);
+	g5_fvt_cur = 0;
+
+	/* Sanity checking */
+	if (g5_fvt_count < 1 || g5_pmode_max < 1)
+		goto bail_noprops;
+
+	/*
+	 * From what I see, clock-frequency is always the maximal frequency.
+	 * The current driver can not slew sysclk yet, so we really only deal
+	 * with powertune steps for now. We also only implement full freq and
+	 * half freq in this version. So far, I haven't yet seen a machine
+	 * supporting anything else.
+	 */
+	valp = (u32 *)get_property(cpunode, "clock-frequency", NULL);
+	if (!valp)
+		return -ENODEV;
+	max_freq = (*valp)/1000;
+	g5_cpu_freqs[0].frequency = max_freq;
+	g5_cpu_freqs[1].frequency = max_freq/2;
+
+	/* Check current frequency */
+	g5_pmode_cur = g5_query_freq();
+	if (g5_pmode_cur > 1)
+		/* We don't support anything but 1:1 and 1:2, fixup ... */
+		g5_pmode_cur = 1;
+
+	/* Force apply current frequency to make sure everything is in
+	 * sync (voltage is right for example). Firmware may leave us with
+	 * a strange setting ...
+	 */
+	g5_switch_freq(g5_pmode_cur);
+
+	printk(KERN_INFO "Registering G5 CPU frequency driver\n");
+	printk(KERN_INFO "Low: %d Mhz, High: %d Mhz, Cur: %d MHz\n",
+		g5_cpu_freqs[1].frequency/1000,
+		g5_cpu_freqs[0].frequency/1000,
+		g5_cpu_freqs[g5_pmode_cur].frequency/1000);
+
+	rc = cpufreq_register_driver(&g5_cpufreq_driver);
+
+	/* We keep the CPU node on hold... hopefully, Apple G5 don't have
+	 * hotplug CPU with a dynamic device-tree ...
+	 */
+	return rc;
+
+ bail_noprops:
+	of_node_put(cpunode);
+
+	return rc;
+}
+
+module_init(g5_cpufreq_init);
+
+
+MODULE_LICENSE("GPL");
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 80b58c1ec41..7acb0546671 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -193,18 +193,6 @@ static void pmac_show_cpuinfo(struct seq_file *m)
 		   pmac_newworld ? "NewWorld" : "OldWorld");
 }
 
-static void pmac_show_percpuinfo(struct seq_file *m, int i)
-{
-#ifdef CONFIG_CPU_FREQ_PMAC
-	extern unsigned int pmac_get_one_cpufreq(int i);
-	unsigned int freq = pmac_get_one_cpufreq(i);
-	if (freq != 0) {
-		seq_printf(m, "clock\t\t: %dMHz\n", freq/1000);
-		return;
-	}
-#endif /* CONFIG_CPU_FREQ_PMAC */
-}
-
 #ifndef CONFIG_ADB_CUDA
 int find_via_cuda(void)
 {
@@ -767,7 +755,6 @@ struct machdep_calls __initdata pmac_md = {
 	.setup_arch		= pmac_setup_arch,
 	.init_early		= pmac_init_early,
 	.show_cpuinfo		= pmac_show_cpuinfo,
-	.show_percpuinfo	= pmac_show_percpuinfo,
 	.init_IRQ		= pmac_pic_init,
 	.get_irq		= mpic_get_irq,	/* changed later */
 	.pcibios_fixup		= pmac_pcibios_fixup,
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 513e2723149..fcc50bfd43f 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -37,7 +37,6 @@
 #include <asm/io.h>
 #include <asm/prom.h>
 #include <asm/rtas.h>
-#include <asm/ppcdebug.h>
 #include <asm/iommu.h>
 #include <asm/pci-bridge.h>
 #include <asm/machdep.h>
@@ -47,6 +46,7 @@
 #include <asm/firmware.h>
 #include <asm/tce.h>
 #include <asm/ppc-pci.h>
+#include <asm/udbg.h>
 
 #include "plpar_wrappers.h"
 
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index ab0c6dd6ec9..a50e5f3f396 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -31,13 +31,14 @@
 #include <asm/machdep.h>
 #include <asm/abs_addr.h>
 #include <asm/mmu_context.h>
-#include <asm/ppcdebug.h>
 #include <asm/iommu.h>
 #include <asm/tlbflush.h>
 #include <asm/tlb.h>
 #include <asm/prom.h>
 #include <asm/abs_addr.h>
 #include <asm/cputable.h>
+#include <asm/udbg.h>
+#include <asm/smp.h>
 
 #include "plpar_wrappers.h"
 
diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h
index 382f8c5b0e7..3bd1b3e0600 100644
--- a/arch/powerpc/platforms/pseries/plpar_wrappers.h
+++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h
@@ -107,14 +107,4 @@ static inline long plpar_put_term_char(unsigned long termno, unsigned long len,
 			lbuf[1]);
 }
 
-static inline long plpar_set_xdabr(unsigned long address, unsigned long flags)
-{
-	return plpar_hcall_norets(H_SET_XDABR, address, flags);
-}
-
-static inline long plpar_set_dabr(unsigned long val)
-{
-	return plpar_hcall_norets(H_SET_DABR, val);
-}
-
 #endif /* _PSERIES_PLPAR_WRAPPERS_H */
diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c
index 6562ff4b0a8..fbd214d68b0 100644
--- a/arch/powerpc/platforms/pseries/ras.c
+++ b/arch/powerpc/platforms/pseries/ras.c
@@ -48,7 +48,7 @@
 #include <asm/ptrace.h>
 #include <asm/machdep.h>
 #include <asm/rtas.h>
-#include <asm/ppcdebug.h>
+#include <asm/udbg.h>
 
 static unsigned char ras_log_buf[RTAS_ERROR_LOG_MAX];
 static DEFINE_SPINLOCK(ras_log_buf_lock);
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 65bee939eec..e78c3936884 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -65,6 +65,7 @@
 #include <asm/ppc-pci.h>
 #include <asm/i8259.h>
 #include <asm/udbg.h>
+#include <asm/smp.h>
 
 #include "plpar_wrappers.h"
 
@@ -353,14 +354,15 @@ static void pSeries_mach_cpu_die(void)
 
 static int pseries_set_dabr(unsigned long dabr)
 {
-	if (firmware_has_feature(FW_FEATURE_XDABR)) {
-		/* We want to catch accesses from kernel and userspace */
-		return plpar_set_xdabr(dabr, H_DABRX_KERNEL | H_DABRX_USER);
-	}
-
-	return plpar_set_dabr(dabr);
+	return plpar_hcall_norets(H_SET_DABR, dabr);
 }
 
+static int pseries_set_xdabr(unsigned long dabr)
+{
+	/* We want to catch accesses from kernel and userspace */
+	return plpar_hcall_norets(H_SET_XDABR, dabr,
+			H_DABRX_KERNEL | H_DABRX_USER);
+}
 
 /*
  * Early initialization.  Relocation is on but do not reference unbolted pages
@@ -396,8 +398,10 @@ static void __init pSeries_init_early(void)
 		DBG("Hello World !\n");
 	}
 
-	if (firmware_has_feature(FW_FEATURE_XDABR | FW_FEATURE_DABR))
+	if (firmware_has_feature(FW_FEATURE_DABR))
 		ppc_md.set_dabr = pseries_set_dabr;
+	else if (firmware_has_feature(FW_FEATURE_XDABR))
+		ppc_md.set_dabr = pseries_set_xdabr;
 
 	iommu_init_early_pSeries();
 
diff --git a/arch/powerpc/sysdev/i8259.c b/arch/powerpc/sysdev/i8259.c
index 90bce6e0c19..b7ac32fdd77 100644
--- a/arch/powerpc/sysdev/i8259.c
+++ b/arch/powerpc/sysdev/i8259.c
@@ -207,6 +207,9 @@ void __init i8259_init(unsigned long intack_addr, int offset)
 
 	spin_unlock_irqrestore(&i8259_lock, flags);
 
+	for (i = 0; i < NUM_ISA_INTERRUPTS; ++i)
+		irq_desc[offset + i].handler = &i8259_pic;
+
 	/* reserve our resources */
 	setup_irq(offset + 2, &i8259_irqaction);
 	request_resource(&ioport_resource, &pic1_iores);
@@ -216,6 +219,4 @@ void __init i8259_init(unsigned long intack_addr, int offset)
 	if (intack_addr != 0)
 		pci_intack = ioremap(intack_addr, 1);
 
-	for (i = 0; i < NUM_ISA_INTERRUPTS; ++i)
-		irq_desc[offset + i].handler = &i8259_pic;
 }
diff --git a/arch/powerpc/sysdev/u3_iommu.c b/arch/powerpc/sysdev/u3_iommu.c
index 607722178c1..543d6590981 100644
--- a/arch/powerpc/sysdev/u3_iommu.c
+++ b/arch/powerpc/sysdev/u3_iommu.c
@@ -37,7 +37,6 @@
 #include <linux/vmalloc.h>
 #include <asm/io.h>
 #include <asm/prom.h>
-#include <asm/ppcdebug.h>
 #include <asm/iommu.h>
 #include <asm/pci-bridge.h>
 #include <asm/machdep.h>
diff --git a/arch/ppc/kernel/misc.S b/arch/ppc/kernel/misc.S
index 3056ede2424..ae6af29938a 100644
--- a/arch/ppc/kernel/misc.S
+++ b/arch/ppc/kernel/misc.S
@@ -25,6 +25,11 @@
 #include <asm/thread_info.h>
 #include <asm/asm-offsets.h>
 
+#ifdef CONFIG_8xx
+#define ISYNC_8xx isync
+#else
+#define ISYNC_8xx
+#endif
 	.text
 
 	.align	5
@@ -800,8 +805,18 @@ _GLOBAL(_insb)
 	subi	r4,r4,1
 	blelr-
 00:	lbz	r5,0(r3)
-	eieio
-	stbu	r5,1(r4)
+01:	eieio
+02:	stbu	r5,1(r4)
+	ISYNC_8xx
+	.section .fixup,"ax"
+03:	blr
+	.text
+	.section __ex_table, "a"
+		.align 2
+		.long 00b, 03b
+		.long 01b, 03b
+		.long 02b, 03b
+	.text
 	bdnz	00b
 	blr
 
@@ -811,8 +826,18 @@ _GLOBAL(_outsb)
 	subi	r4,r4,1
 	blelr-
 00:	lbzu	r5,1(r4)
-	stb	r5,0(r3)
-	eieio
+01:	stb	r5,0(r3)
+02:	eieio
+	ISYNC_8xx
+	.section .fixup,"ax"
+03:	blr
+	.text
+	.section __ex_table, "a"
+		.align 2
+		.long 00b, 03b
+		.long 01b, 03b
+		.long 02b, 03b
+	.text
 	bdnz	00b
 	blr
 
@@ -822,8 +847,18 @@ _GLOBAL(_insw)
 	subi	r4,r4,2
 	blelr-
 00:	lhbrx	r5,0,r3
-	eieio
-	sthu	r5,2(r4)
+01:	eieio
+02:	sthu	r5,2(r4)
+	ISYNC_8xx
+	.section .fixup,"ax"
+03:	blr
+	.text
+	.section __ex_table, "a"
+		.align 2
+		.long 00b, 03b
+		.long 01b, 03b
+		.long 02b, 03b
+	.text
 	bdnz	00b
 	blr
 
@@ -833,8 +868,18 @@ _GLOBAL(_outsw)
 	subi	r4,r4,2
 	blelr-
 00:	lhzu	r5,2(r4)
-	eieio
-	sthbrx	r5,0,r3
+01:	eieio
+02:	sthbrx	r5,0,r3
+	ISYNC_8xx
+	.section .fixup,"ax"
+03:	blr
+	.text
+	.section __ex_table, "a"
+		.align 2
+		.long 00b, 03b
+		.long 01b, 03b
+		.long 02b, 03b
+	.text
 	bdnz	00b
 	blr
 
@@ -844,8 +889,18 @@ _GLOBAL(_insl)
 	subi	r4,r4,4
 	blelr-
 00:	lwbrx	r5,0,r3
-	eieio
-	stwu	r5,4(r4)
+01:	eieio
+02:	stwu	r5,4(r4)
+	ISYNC_8xx
+	.section .fixup,"ax"
+03:	blr
+	.text
+	.section __ex_table, "a"
+		.align 2
+		.long 00b, 03b
+		.long 01b, 03b
+		.long 02b, 03b
+	.text
 	bdnz	00b
 	blr
 
@@ -855,8 +910,18 @@ _GLOBAL(_outsl)
 	subi	r4,r4,4
 	blelr-
 00:	lwzu	r5,4(r4)
-	stwbrx	r5,0,r3
-	eieio
+01:	stwbrx	r5,0,r3
+02:	eieio
+	ISYNC_8xx
+	.section .fixup,"ax"
+03:	blr
+	.text
+	.section __ex_table, "a"
+		.align 2
+		.long 00b, 03b
+		.long 01b, 03b
+		.long 02b, 03b
+	.text
 	bdnz	00b
 	blr
 
@@ -867,8 +932,18 @@ _GLOBAL(_insw_ns)
 	subi	r4,r4,2
 	blelr-
 00:	lhz	r5,0(r3)
-	eieio
-	sthu	r5,2(r4)
+01:	eieio
+02:	sthu	r5,2(r4)
+	ISYNC_8xx
+	.section .fixup,"ax"
+03:	blr
+	.text
+	.section __ex_table, "a"
+		.align 2
+		.long 00b, 03b
+		.long 01b, 03b
+		.long 02b, 03b
+	.text
 	bdnz	00b
 	blr
 
@@ -879,8 +954,18 @@ _GLOBAL(_outsw_ns)
 	subi	r4,r4,2
 	blelr-
 00:	lhzu	r5,2(r4)
-	sth	r5,0(r3)
-	eieio
+01:	sth	r5,0(r3)
+02:	eieio
+	ISYNC_8xx
+	.section .fixup,"ax"
+03:	blr
+	.text
+	.section __ex_table, "a"
+		.align 2
+		.long 00b, 03b
+		.long 01b, 03b
+		.long 02b, 03b
+	.text
 	bdnz	00b
 	blr
 
@@ -891,8 +976,18 @@ _GLOBAL(_insl_ns)
 	subi	r4,r4,4
 	blelr-
 00:	lwz	r5,0(r3)
-	eieio
-	stwu	r5,4(r4)
+01:	eieio
+02:	stwu	r5,4(r4)
+	ISYNC_8xx
+	.section .fixup,"ax"
+03:	blr
+	.text
+	.section __ex_table, "a"
+		.align 2
+		.long 00b, 03b
+		.long 01b, 03b
+		.long 02b, 03b
+	.text
 	bdnz	00b
 	blr
 
@@ -903,8 +998,18 @@ _GLOBAL(_outsl_ns)
 	subi	r4,r4,4
 	blelr-
 00:	lwzu	r5,4(r4)
-	stw	r5,0(r3)
-	eieio
+01:	stw	r5,0(r3)
+02:	eieio
+	ISYNC_8xx
+	.section .fixup,"ax"
+03:	blr
+	.text
+	.section __ex_table, "a"
+		.align 2
+		.long 00b, 03b
+		.long 01b, 03b
+		.long 02b, 03b
+	.text
 	bdnz	00b
 	blr
 
diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c
index 16adde6b429..9dbc4d28fa2 100644
--- a/arch/ppc/kernel/traps.c
+++ b/arch/ppc/kernel/traps.c
@@ -49,7 +49,7 @@ extern int xmon_sstep(struct pt_regs *regs);
 extern int xmon_iabr_match(struct pt_regs *regs);
 extern int xmon_dabr_match(struct pt_regs *regs);
 
-void (*debugger)(struct pt_regs *regs) = xmon;
+int (*debugger)(struct pt_regs *regs) = xmon;
 int (*debugger_bpt)(struct pt_regs *regs) = xmon_bpt;
 int (*debugger_sstep)(struct pt_regs *regs) = xmon_sstep;
 int (*debugger_iabr_match)(struct pt_regs *regs) = xmon_iabr_match;
@@ -57,7 +57,7 @@ int (*debugger_dabr_match)(struct pt_regs *regs) = xmon_dabr_match;
 void (*debugger_fault_handler)(struct pt_regs *regs);
 #else
 #ifdef CONFIG_KGDB
-void (*debugger)(struct pt_regs *regs);
+int (*debugger)(struct pt_regs *regs);
 int (*debugger_bpt)(struct pt_regs *regs);
 int (*debugger_sstep)(struct pt_regs *regs);
 int (*debugger_iabr_match)(struct pt_regs *regs);
@@ -159,7 +159,7 @@ void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr)
  */
 static inline int check_io_access(struct pt_regs *regs)
 {
-#ifdef CONFIG_PPC_PMAC
+#if defined CONFIG_PPC_PMAC || defined CONFIG_8xx
 	unsigned long msr = regs->msr;
 	const struct exception_table_entry *entry;
 	unsigned int *nip = (unsigned int *)regs->nip;
@@ -178,7 +178,11 @@ static inline int check_io_access(struct pt_regs *regs)
 			nip -= 2;
 		else if (*nip == 0x4c00012c)	/* isync */
 			--nip;
-		if (*nip == 0x7c0004ac || (*nip >> 26) == 3) {
+		/* eieio from I/O string functions */
+		else if ((*nip) == 0x7c0006ac || *(nip+1) == 0x7c0006ac)
+			nip += 2;
+		if (*nip == 0x7c0004ac || (*nip >> 26) == 3 ||
+			(*(nip+1) >> 26) == 3) {
 			/* sync or twi */
 			unsigned int rb;
 
diff --git a/arch/ppc/syslib/m8xx_wdt.c b/arch/ppc/syslib/m8xx_wdt.c
index c5ac5ce5d7d..a21632d37e5 100644
--- a/arch/ppc/syslib/m8xx_wdt.c
+++ b/arch/ppc/syslib/m8xx_wdt.c
@@ -14,6 +14,7 @@
 #include <linux/irq.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
+#include <asm/io.h>
 #include <asm/8xx_immap.h>
 #include <syslib/m8xx_wdt.h>
 
@@ -29,8 +30,8 @@ void m8xx_wdt_reset(void)
 {
 	volatile immap_t *imap = (volatile immap_t *)IMAP_ADDR;
 
-	out_be16(imap->im_siu_conf.sc_swsr, 0x556c);	/* write magic1 */
-	out_be16(imap->im_siu_conf.sc_swsr, 0xaa39);	/* write magic2 */
+	out_be16(&imap->im_siu_conf.sc_swsr, 0x556c);	/* write magic1 */
+	out_be16(&imap->im_siu_conf.sc_swsr, 0xaa39);	/* write magic2 */
 }
 
 static irqreturn_t m8xx_wdt_interrupt(int irq, void *dev, struct pt_regs *regs)
@@ -39,7 +40,7 @@ static irqreturn_t m8xx_wdt_interrupt(int irq, void *dev, struct pt_regs *regs)
 
 	m8xx_wdt_reset();
 
-	out_be16(imap->im_sit.sit_piscr, in_be16(imap->im_sit.sit_piscr | PISCR_PS));	/* clear irq */
+	out_be16(&imap->im_sit.sit_piscr, in_be16(&imap->im_sit.sit_piscr) | PISCR_PS);	/* clear irq */
 
 	return IRQ_HANDLED;
 }
@@ -51,7 +52,7 @@ void __init m8xx_wdt_handler_install(bd_t * binfo)
 	u32 sypcr;
 	u32 pitrtclk;
 
-	sypcr = in_be32(imap->im_siu_conf.sc_sypcr);
+	sypcr = in_be32(&imap->im_siu_conf.sc_sypcr);
 
 	if (!(sypcr & 0x04)) {
 		printk(KERN_NOTICE "m8xx_wdt: wdt disabled (SYPCR: 0x%08X)\n",
@@ -87,9 +88,9 @@ void __init m8xx_wdt_handler_install(bd_t * binfo)
 	else
 		pitc = pitrtclk * wdt_timeout / binfo->bi_intfreq / 2;
 
-	out_be32(imap->im_sit.sit_pitc, pitc << 16);
+	out_be32(&imap->im_sit.sit_pitc, pitc << 16);
 
-	out_be16(imap->im_sit.sit_piscr, (mk_int_int_mask(PIT_INTERRUPT) << 8) | PISCR_PIE | PISCR_PTE);
+	out_be16(&imap->im_sit.sit_piscr, (mk_int_int_mask(PIT_INTERRUPT) << 8) | PISCR_PIE | PISCR_PTE);
 
 	if (setup_irq(PIT_INTERRUPT, &m8xx_wdt_irqaction))
 		panic("m8xx_wdt: error setting up the watchdog irq!");
diff --git a/arch/ppc/syslib/prom.c b/arch/ppc/syslib/prom.c
index 1b9aa0d6a92..03b1fc9b950 100644
--- a/arch/ppc/syslib/prom.c
+++ b/arch/ppc/syslib/prom.c
@@ -1165,7 +1165,7 @@ get_property(struct device_node *np, const char *name, int *lenp)
 /*
  * Add a property to a node
  */
-void
+int
 prom_add_property(struct device_node* np, struct property* prop)
 {
 	struct property **next = &np->properties;
@@ -1174,6 +1174,8 @@ prom_add_property(struct device_node* np, struct property* prop)
 	while (*next)
 		next = &(*next)->next;
 	*next = prop;
+
+	return 0;
 }
 
 /* I quickly hacked that one, check against spec ! */
diff --git a/arch/ppc/xmon/xmon.c b/arch/ppc/xmon/xmon.c
index 66bfaa3211a..2b483b4f160 100644
--- a/arch/ppc/xmon/xmon.c
+++ b/arch/ppc/xmon/xmon.c
@@ -220,8 +220,7 @@ static void get_tb(unsigned *p)
 	p[1] = lo;
 }
 
-void
-xmon(struct pt_regs *excp)
+int xmon(struct pt_regs *excp)
 {
 	struct pt_regs regs;
 	int msr, cmd;
@@ -290,6 +289,8 @@ xmon(struct pt_regs *excp)
 #endif /* CONFIG_SMP */
 	set_msr(msr);		/* restore interrupt enable */
 	get_tb(start_tb[smp_processor_id()]);
+
+	return cmd != 'X';
 }
 
 irqreturn_t
diff --git a/arch/ppc64/Kconfig b/arch/ppc64/Kconfig
index 2130cc31595..29552348e58 100644
--- a/arch/ppc64/Kconfig
+++ b/arch/ppc64/Kconfig
@@ -56,6 +56,7 @@ config PPC_STD_MMU
 # max order + 1
 config FORCE_MAX_ZONEORDER
 	int
+	default "9" if PPC_64K_PAGES
 	default "13"
 
 source "init/Kconfig"
@@ -173,6 +174,16 @@ config KEXEC
 	  support.  As of this writing the exact hardware interface is
 	  strongly in flux, so no good recommendation can be made.
 
+source "drivers/cpufreq/Kconfig"
+
+config CPU_FREQ_PMAC64
+	bool "Support for some Apple G5s"
+	depends on CPU_FREQ && PMAC_SMU && PPC64
+	select CPU_FREQ_TABLE
+	help
+	  This adds support for frequency switching on Apple iMac G5,
+	  and some of the more recent desktop G5 machines as well.
+
 config IBMVIO
 	depends on PPC_PSERIES || PPC_ISERIES
 	bool
diff --git a/arch/ppc64/Kconfig.debug b/arch/ppc64/Kconfig.debug
index f16a5030527..b258c9314a1 100644
--- a/arch/ppc64/Kconfig.debug
+++ b/arch/ppc64/Kconfig.debug
@@ -55,10 +55,6 @@ config XMON_DEFAULT
 	  xmon is normally disabled unless booted with 'xmon=on'.
 	  Use 'xmon=off' to disable xmon init during runtime.
 
-config PPCDBG
-	bool "Include PPCDBG realtime debugging"
-	depends on DEBUG_KERNEL
-
 config IRQSTACKS
 	bool "Use separate kernel stacks when processing interrupts"
 	help
diff --git a/arch/ppc64/kernel/idle.c b/arch/ppc64/kernel/idle.c
index 8abd2ad9283..8fec2746980 100644
--- a/arch/ppc64/kernel/idle.c
+++ b/arch/ppc64/kernel/idle.c
@@ -28,6 +28,7 @@
 #include <asm/time.h>
 #include <asm/systemcfg.h>
 #include <asm/machdep.h>
+#include <asm/smp.h>
 
 extern void power4_idle(void);
 
diff --git a/arch/ppc64/kernel/machine_kexec.c b/arch/ppc64/kernel/machine_kexec.c
index ff8679f260f..07ea03598c0 100644
--- a/arch/ppc64/kernel/machine_kexec.c
+++ b/arch/ppc64/kernel/machine_kexec.c
@@ -24,6 +24,7 @@
 #include <asm/mmu.h>
 #include <asm/sections.h>	/* _end */
 #include <asm/prom.h>
+#include <asm/smp.h>
 
 #define HASH_GROUP_SIZE 0x80	/* size of each hash group, asm/mmu.h */
 
diff --git a/arch/ppc64/kernel/misc.S b/arch/ppc64/kernel/misc.S
index 077507ffbab..914632ec587 100644
--- a/arch/ppc64/kernel/misc.S
+++ b/arch/ppc64/kernel/misc.S
@@ -560,7 +560,7 @@ _GLOBAL(real_readb)
 	isync
 	blr
 
-	/*
+/*
  * Do an IO access in real mode
  */
 _GLOBAL(real_writeb)
@@ -593,6 +593,76 @@ _GLOBAL(real_writeb)
 #endif /* defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE) */
 
 /*
+ * SCOM access functions for 970 (FX only for now)
+ *
+ * unsigned long scom970_read(unsigned int address);
+ * void scom970_write(unsigned int address, unsigned long value);
+ *
+ * The address passed in is the 24 bits register address. This code
+ * is 970 specific and will not check the status bits, so you should
+ * know what you are doing.
+ */
+_GLOBAL(scom970_read)
+	/* interrupts off */
+	mfmsr	r4
+	ori	r0,r4,MSR_EE
+	xori	r0,r0,MSR_EE
+	mtmsrd	r0,1
+
+	/* rotate 24 bits SCOM address 8 bits left and mask out it's low 8 bits
+	 * (including parity). On current CPUs they must be 0'd,
+	 * and finally or in RW bit
+	 */
+	rlwinm	r3,r3,8,0,15
+	ori	r3,r3,0x8000
+
+	/* do the actual scom read */
+	sync
+	mtspr	SPRN_SCOMC,r3
+	isync
+	mfspr	r3,SPRN_SCOMD
+	isync
+	mfspr	r0,SPRN_SCOMC
+	isync
+
+	/* XXX:	fixup result on some buggy 970's (ouch ! we lost a bit, bah
+	 * that's the best we can do). Not implemented yet as we don't use
+	 * the scom on any of the bogus CPUs yet, but may have to be done
+	 * ultimately
+	 */
+
+	/* restore interrupts */
+	mtmsrd	r4,1
+	blr
+
+
+_GLOBAL(scom970_write)
+	/* interrupts off */
+	mfmsr	r5
+	ori	r0,r5,MSR_EE
+	xori	r0,r0,MSR_EE
+	mtmsrd	r0,1
+
+	/* rotate 24 bits SCOM address 8 bits left and mask out it's low 8 bits
+	 * (including parity). On current CPUs they must be 0'd.
+	 */
+
+	rlwinm	r3,r3,8,0,15
+
+	sync
+	mtspr	SPRN_SCOMD,r4      /* write data */
+	isync
+	mtspr	SPRN_SCOMC,r3      /* write command */
+	isync
+	mfspr	3,SPRN_SCOMC
+	isync
+
+	/* restore interrupts */
+	mtmsrd	r5,1
+	blr
+
+
+/*
  * Create a kernel thread
  *   kernel_thread(fn, arg, flags)
  */
diff --git a/arch/ppc64/kernel/pci.c b/arch/ppc64/kernel/pci.c
index 3d2106b022a..30247ff7497 100644
--- a/arch/ppc64/kernel/pci.c
+++ b/arch/ppc64/kernel/pci.c
@@ -295,8 +295,8 @@ static void pci_parse_of_addrs(struct device_node *node, struct pci_dev *dev)
 	}
 }
 
-static struct pci_dev *of_create_pci_dev(struct device_node *node,
-					 struct pci_bus *bus, int devfn)
+struct pci_dev *of_create_pci_dev(struct device_node *node,
+				 struct pci_bus *bus, int devfn)
 {
 	struct pci_dev *dev;
 	const char *type;
@@ -354,10 +354,9 @@ static struct pci_dev *of_create_pci_dev(struct device_node *node,
 
 	return dev;
 }
+EXPORT_SYMBOL(of_create_pci_dev);
 
-static void of_scan_pci_bridge(struct device_node *node, struct pci_dev *dev);
-
-static void __devinit of_scan_bus(struct device_node *node,
+void __devinit of_scan_bus(struct device_node *node,
 				  struct pci_bus *bus)
 {
 	struct device_node *child = NULL;
@@ -381,9 +380,10 @@ static void __devinit of_scan_bus(struct device_node *node,
 
 	do_bus_setup(bus);
 }
+EXPORT_SYMBOL(of_scan_bus);
 
-static void __devinit of_scan_pci_bridge(struct device_node *node,
-					 struct pci_dev *dev)
+void __devinit of_scan_pci_bridge(struct device_node *node,
+			 	struct pci_dev *dev)
 {
 	struct pci_bus *bus;
 	u32 *busrange, *ranges;
@@ -464,9 +464,10 @@ static void __devinit of_scan_pci_bridge(struct device_node *node,
 	else if (mode == PCI_PROBE_NORMAL)
 		pci_scan_child_bus(bus);
 }
+EXPORT_SYMBOL(of_scan_pci_bridge);
 #endif /* CONFIG_PPC_MULTIPLATFORM */
 
-static void __devinit scan_phb(struct pci_controller *hose)
+void __devinit scan_phb(struct pci_controller *hose)
 {
 	struct pci_bus *bus;
 	struct device_node *node = hose->arch_data;
diff --git a/arch/ppc64/kernel/prom.c b/arch/ppc64/kernel/prom.c
index dece31e58bc..3402fbee62c 100644
--- a/arch/ppc64/kernel/prom.c
+++ b/arch/ppc64/kernel/prom.c
@@ -31,6 +31,7 @@
 #include <linux/initrd.h>
 #include <linux/bitops.h>
 #include <linux/module.h>
+#include <linux/module.h>
 
 #include <asm/prom.h>
 #include <asm/rtas.h>
@@ -46,7 +47,6 @@
 #include <asm/pgtable.h>
 #include <asm/pci.h>
 #include <asm/iommu.h>
-#include <asm/ppcdebug.h>
 #include <asm/btext.h>
 #include <asm/sections.h>
 #include <asm/machdep.h>
@@ -1866,17 +1866,32 @@ get_property(struct device_node *np, const char *name, int *lenp)
 EXPORT_SYMBOL(get_property);
 
 /*
- * Add a property to a node
+ * Add a property to a node.
  */
-void
+int
 prom_add_property(struct device_node* np, struct property* prop)
 {
-	struct property **next = &np->properties;
+	struct property **next;
 
 	prop->next = NULL;	
-	while (*next)
+	write_lock(&devtree_lock);
+	next = &np->properties;
+	while (*next) {
+		if (strcmp(prop->name, (*next)->name) == 0) {
+			/* duplicate ! don't insert it */
+			write_unlock(&devtree_lock);
+			return -1;
+		}
 		next = &(*next)->next;
+	}
 	*next = prop;
+	write_unlock(&devtree_lock);
+
+	/* try to add to proc as well if it was initialized */
+	if (np->pde)
+		proc_device_tree_add_prop(np->pde, prop);
+
+	return 0;
 }
 
 #if 0
diff --git a/arch/ppc64/kernel/prom_init.c b/arch/ppc64/kernel/prom_init.c
index a4bbca6dbb8..e4c880dab99 100644
--- a/arch/ppc64/kernel/prom_init.c
+++ b/arch/ppc64/kernel/prom_init.c
@@ -44,7 +44,6 @@
 #include <asm/pgtable.h>
 #include <asm/pci.h>
 #include <asm/iommu.h>
-#include <asm/ppcdebug.h>
 #include <asm/btext.h>
 #include <asm/sections.h>
 #include <asm/machdep.h>
@@ -1825,7 +1824,7 @@ static void __init fixup_device_tree(void)
 	if (prom_getprop(u3, "device-rev", &u3_rev, sizeof(u3_rev))
 	    == PROM_ERROR)
 		return;
-	if (u3_rev != 0x35 && u3_rev != 0x37)
+	if (u3_rev < 0x35 || u3_rev > 0x39)
 		return;
 	/* does it need fixup ? */
 	if (prom_getproplen(i2c, "interrupts") > 0)
diff --git a/arch/ppc64/kernel/rtas_pci.c b/arch/ppc64/kernel/rtas_pci.c
index 3ad15c90fbb..3c3f19192fc 100644
--- a/arch/ppc64/kernel/rtas_pci.c
+++ b/arch/ppc64/kernel/rtas_pci.c
@@ -440,7 +440,6 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn)
 	struct device_node *root = of_find_node_by_path("/");
 	unsigned int root_size_cells = 0;
 	struct pci_controller *phb;
-	struct pci_bus *bus;
 	int primary;
 
 	root_size_cells = prom_n_size_cells(root);
@@ -456,10 +455,7 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn)
 	of_node_put(root);
 
 	pci_devs_phb_init_dynamic(phb);
-	phb->last_busno = 0xff;
-	bus = pci_scan_bus(phb->first_busno, phb->ops, phb->arch_data);
-	phb->bus = bus;
-	phb->last_busno = bus->subordinate;
+	scan_phb(phb);
 
 	return phb;
 }
diff --git a/arch/ppc64/kernel/udbg.c b/arch/ppc64/kernel/udbg.c
index d49c3613c8e..0d878e72fc4 100644
--- a/arch/ppc64/kernel/udbg.c
+++ b/arch/ppc64/kernel/udbg.c
@@ -10,12 +10,10 @@
  */
 
 #include <stdarg.h>
-#define WANT_PPCDBG_TAB /* Only defined here */
 #include <linux/config.h>
 #include <linux/types.h>
 #include <linux/sched.h>
 #include <linux/console.h>
-#include <asm/ppcdebug.h>
 #include <asm/processor.h>
 
 void (*udbg_putc)(unsigned char c);
@@ -89,59 +87,6 @@ void udbg_printf(const char *fmt, ...)
 	va_end(args);
 }
 
-/* PPCDBG stuff */
-
-u64 ppc64_debug_switch;
-
-/* Special print used by PPCDBG() macro */
-void udbg_ppcdbg(unsigned long debug_flags, const char *fmt, ...)
-{
-	unsigned long active_debugs = debug_flags & ppc64_debug_switch;
-
-	if (active_debugs) {
-		va_list ap;
-		unsigned char buf[UDBG_BUFSIZE];
-		unsigned long i, len = 0;
-
-		for (i=0; i < PPCDBG_NUM_FLAGS; i++) {
-			if (((1U << i) & active_debugs) && 
-			    trace_names[i]) {
-				len += strlen(trace_names[i]); 
-				udbg_puts(trace_names[i]);
-				break;
-			}
-		}
-
-		snprintf(buf, UDBG_BUFSIZE, " [%s]: ", current->comm);
-		len += strlen(buf); 
-		udbg_puts(buf);
-
-		while (len < 18) {
-			udbg_puts(" ");
-			len++;
-		}
-
-		va_start(ap, fmt);
-		vsnprintf(buf, UDBG_BUFSIZE, fmt, ap);
-		udbg_puts(buf);
-		va_end(ap);
-	}
-}
-
-unsigned long udbg_ifdebug(unsigned long flags)
-{
-	return (flags & ppc64_debug_switch);
-}
-
-/*
- * Initialize the PPCDBG state.  Called before relocation has been enabled.
- */
-void __init ppcdbg_initialize(void)
-{
-	ppc64_debug_switch = PPC_DEBUG_DEFAULT; /* | PPCDBG_BUSWALK | */
-	/* PPCDBG_PHBINIT | PPCDBG_MM | PPCDBG_MMINIT | PPCDBG_TCEINIT | PPCDBG_TCE */;
-}
-
 /*
  * Early boot console based on udbg
  */