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

* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (139 commits)
  [POWERPC] re-enable OProfile for iSeries, using timer interrupt
  [POWERPC] support ibm,extended-*-frequency properties
  [POWERPC] Extra sanity check in EEH code
  [POWERPC] Dont look for class-code in pci children
  [POWERPC] Fix mdelay badness on shared processor partitions
  [POWERPC] disable floating point exceptions for init
  [POWERPC] Unify ppc syscall tables
  [POWERPC] mpic: add support for serial mode interrupts
  [POWERPC] pseries: Print PCI slot location code on failure
  [POWERPC] spufs: one more fix for 64k pages
  [POWERPC] spufs: fail spu_create with invalid flags
  [POWERPC] spufs: clear class2 interrupt status before wakeup
  [POWERPC] spufs: fix Makefile for "make clean"
  [POWERPC] spufs: remove stop_code from struct spu
  [POWERPC] spufs: fix spu irq affinity setting
  [POWERPC] spufs: further abstract priv1 register access
  [POWERPC] spufs: split the Cell BE support into generic and platform dependant parts
  [POWERPC] spufs: dont try to access SPE channel 1 count
  [POWERPC] spufs: use kzalloc in create_spu
  [POWERPC] spufs: fix initial state of wbox file
  ...

Manually resolved conflicts in:
	drivers/net/phy/Makefile
	include/asm-powerpc/spu.h

arch/powerpc/Kconfig

@@ -45,6 +45,10 @@ config GENERIC_CALIBRATE_DELAY
 	bool
 	default y
 
+config GENERIC_FIND_NEXT_BIT
+	bool
+	default y
+
 config PPC
 	bool
 	default y
@@ -137,6 +141,15 @@ config PPC_85xx
 	select FSL_SOC
 	select 85xx
 
+config PPC_86xx
+	bool "Freescale 86xx"
+	select 6xx
+	select FSL_SOC
+	select PPC_FPU
+	select ALTIVEC
+	help
+	  The Freescale E600 SoCs have 74xx cores.
+
 config 40x
 	bool "AMCC 40x"
 
@@ -336,7 +349,7 @@ endchoice
 
 config PPC_PSERIES
 	depends on PPC_MULTIPLATFORM && PPC64
-	bool "  IBM pSeries & new (POWER5-based) iSeries"
+	bool "IBM pSeries & new (POWER5-based) iSeries"
 	select PPC_I8259
 	select PPC_RTAS
 	select RTAS_ERROR_LOGGING
@@ -344,7 +357,7 @@ config PPC_PSERIES
 	default y
 
 config PPC_CHRP
-	bool "  Common Hardware Reference Platform (CHRP) based machines"
+	bool "Common Hardware Reference Platform (CHRP) based machines"
 	depends on PPC_MULTIPLATFORM && PPC32
 	select PPC_I8259
 	select PPC_INDIRECT_PCI
@@ -354,7 +367,7 @@ config PPC_CHRP
 	default y
 
 config PPC_PMAC
-	bool "  Apple PowerMac based machines"
+	bool "Apple PowerMac based machines"
 	depends on PPC_MULTIPLATFORM
 	select PPC_INDIRECT_PCI if PPC32
 	select PPC_MPC106 if PPC32
@@ -370,7 +383,7 @@ config PPC_PMAC64
 	default y
 
 config PPC_PREP
-	bool "  PowerPC Reference Platform (PReP) based machines"
+	bool "PowerPC Reference Platform (PReP) based machines"
 	depends on PPC_MULTIPLATFORM && PPC32 && BROKEN
 	select PPC_I8259
 	select PPC_INDIRECT_PCI
@@ -379,7 +392,7 @@ config PPC_PREP
 
 config PPC_MAPLE
 	depends on PPC_MULTIPLATFORM && PPC64
-	bool "  Maple 970FX Evaluation Board"
+	bool "Maple 970FX Evaluation Board"
 	select U3_DART
 	select MPIC_BROKEN_U3
 	select GENERIC_TBSYNC
@@ -391,8 +404,18 @@ config PPC_MAPLE
 	  For more informations, refer to <http://www.970eval.com>
 
 config PPC_CELL
-	bool "  Cell Broadband Processor Architecture"
+	bool
+	default n
+
+config PPC_CELL_NATIVE
+	bool
+	select PPC_CELL
+	default n
+
+config PPC_IBM_CELL_BLADE
+	bool "  IBM Cell Blade"
 	depends on PPC_MULTIPLATFORM && PPC64
+	select PPC_CELL_NATIVE
 	select PPC_RTAS
 	select MMIO_NVRAM
 	select PPC_UDBG_16550
@@ -439,11 +462,6 @@ config MPIC_BROKEN_U3
 	depends on PPC_MAPLE
 	default y
 
-config CELL_IIC
-	depends on PPC_CELL
-	bool
-	default y
-
 config IBMVIO
 	depends on PPC_PSERIES || PPC_ISERIES
 	bool
@@ -545,6 +563,7 @@ source arch/powerpc/platforms/embedded6xx/Kconfig
 source arch/powerpc/platforms/4xx/Kconfig
 source arch/powerpc/platforms/83xx/Kconfig
 source arch/powerpc/platforms/85xx/Kconfig
+source arch/powerpc/platforms/86xx/Kconfig
 source arch/powerpc/platforms/8xx/Kconfig
 source arch/powerpc/platforms/cell/Kconfig
 
@@ -776,6 +795,7 @@ config GENERIC_ISA_DMA
 
 config PPC_I8259
 	bool
+	default y if MPC8641_HPCN
 	default n
 
 config PPC_INDIRECT_PCI
@@ -798,8 +818,8 @@ config MCA
 	bool
 
 config PCI
-	bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_MPC52xx || (EMBEDDED && PPC_ISERIES)
-	default y if !40x && !CPM2 && !8xx && !APUS && !PPC_83xx && !PPC_85xx
+	bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx || PPC_MPC52xx || (EMBEDDED && PPC_ISERIES)
+	default y if !40x && !CPM2 && !8xx && !APUS && !PPC_83xx && !PPC_85xx && !PPC_86xx
 	default PCI_PERMEDIA if !4xx && !CPM2 && !8xx && APUS
 	default PCI_QSPAN if !4xx && !CPM2 && 8xx
 	help
@@ -827,12 +847,12 @@ config PCI_8260
 	default y
 
 config 8260_PCI9
-	bool "  Enable workaround for MPC826x erratum PCI 9"
+	bool "Enable workaround for MPC826x erratum PCI 9"
 	depends on PCI_8260 && !ADS8272
 	default y
 
 choice
-	prompt "  IDMA channel for PCI 9 workaround"
+	prompt "IDMA channel for PCI 9 workaround"
 	depends on 8260_PCI9
 
 config 8260_PCI9_IDMA1
@@ -849,6 +869,8 @@ config 8260_PCI9_IDMA4
 
 endchoice
 
+source "drivers/pci/pcie/Kconfig"
+
 source "drivers/pci/Kconfig"
 
 source "drivers/pcmcia/Kconfig"

arch/powerpc/Kconfig.debug

@@ -110,13 +110,16 @@ config SERIAL_TEXT_DEBUG
 	depends on 4xx || LOPEC || MV64X60 || PPLUS || PRPMC800 || \
 		PPC_GEN550 || PPC_MPC52xx
 
+config PPC_EARLY_DEBUG
+	bool "Early debugging (dangerous)"
+
 choice
-	prompt "Early debugging (dangerous)"
-	bool
-	optional
+	prompt "Early debugging console"
+	depends on PPC_EARLY_DEBUG
 	help
-	  Enable early debugging. Careful, if you enable debugging for the
-	  wrong type of machine your kernel _will not boot_.
+	  Use the selected console for early debugging. Careful, if you
+	  enable debugging for the wrong type of machine your kernel
+	  _will not boot_.
 
 config PPC_EARLY_DEBUG_LPAR
 	bool "LPAR HV Console"

arch/powerpc/Makefile

@@ -108,7 +108,6 @@ ifeq ($(CONFIG_6xx),y)
 CFLAGS		+= -mcpu=powerpc
 endif
 
-cpu-as-$(CONFIG_PPC64BRIDGE)	+= -Wa,-mppc64bridge
 cpu-as-$(CONFIG_4xx)		+= -Wa,-m405
 cpu-as-$(CONFIG_6xx)		+= -Wa,-maltivec
 cpu-as-$(CONFIG_POWER4)		+= -Wa,-maltivec

arch/powerpc/boot/main.c

@@ -33,6 +33,14 @@ extern char _vmlinux_end[];
 extern char _initrd_start[];
 extern char _initrd_end[];
 
+/* A buffer that may be edited by tools operating on a zImage binary so as to
+ * edit the command line passed to vmlinux (by setting /chosen/bootargs).
+ * The buffer is put in it's own section so that tools may locate it easier.
+ */
+static char builtin_cmdline[512]
+	__attribute__((section("__builtin_cmdline")));
+
+
 struct addr_range {
 	unsigned long addr;
 	unsigned long size;
@@ -204,6 +212,23 @@ static int is_elf32(void *hdr)
 	return 1;
 }
 
+void export_cmdline(void* chosen_handle)
+{
+        int len;
+        char cmdline[2] = { 0, 0 };
+
+	if (builtin_cmdline[0] == 0)
+		return;
+
+        len = getprop(chosen_handle, "bootargs", cmdline, sizeof(cmdline));
+        if (len > 0 && cmdline[0] != 0)
+		return;
+
+	setprop(chosen_handle, "bootargs", builtin_cmdline,
+		strlen(builtin_cmdline) + 1);
+}
+
+
 void start(unsigned long a1, unsigned long a2, void *promptr, void *sp)
 {
 	int len;
@@ -289,6 +314,8 @@ void start(unsigned long a1, unsigned long a2, void *promptr, void *sp)
 		memmove((void *)vmlinux.addr,(void *)vmlinuz.addr,vmlinuz.size);
 	}
 
+	export_cmdline(chosen_handle);
+
 	/* Skip over the ELF header */
 #ifdef DEBUG
 	printf("... skipping 0x%lx bytes of ELF header\n\r",

arch/powerpc/boot/prom.h

@@ -31,4 +31,11 @@ static inline int getprop(void *phandle, const char *name,
 	return call_prom("getprop", 4, 1, phandle, name, buf, buflen);
 }
 
+
+static inline int setprop(void *phandle, const char *name,
+			  void *buf, int buflen)
+{
+	return call_prom("setprop", 4, 1, phandle, name, buf, buflen);
+}
+
 #endif				/* _PPC_BOOT_PROM_H_ */

arch/powerpc/configs/cell_defconfig

 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16
-# Thu Mar 23 20:48:09 2006
+# Linux kernel version: 2.6.17
+# Mon Jun 19 17:23:03 2006
 #
 CONFIG_PPC64=y
 CONFIG_64BIT=y
@@ -11,6 +11,7 @@ CONFIG_GENERIC_HARDIRQS=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_PPC=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_COMPAT=y
@@ -55,7 +56,7 @@ CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
-# CONFIG_CPUSETS is not set
+CONFIG_CPUSETS=y
 # CONFIG_RELAY is not set
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
@@ -116,13 +117,15 @@ CONFIG_PPC_MULTIPLATFORM=y
 # CONFIG_PPC_PMAC is not set
 # CONFIG_PPC_MAPLE is not set
 CONFIG_PPC_CELL=y
+CONFIG_PPC_CELL_NATIVE=y
+CONFIG_PPC_IBM_CELL_BLADE=y
+CONFIG_PPC_SYSTEMSIM=y
 # CONFIG_U3_DART is not set
 CONFIG_PPC_RTAS=y
 # CONFIG_RTAS_ERROR_LOGGING is not set
 CONFIG_RTAS_PROC=y
 CONFIG_RTAS_FLASH=y
 CONFIG_MMIO_NVRAM=y
-CONFIG_CELL_IIC=y
 # CONFIG_PPC_MPC106 is not set
 # CONFIG_PPC_970_NAP is not set
 # CONFIG_CPU_FREQ is not set
@@ -132,7 +135,9 @@ CONFIG_CELL_IIC=y
 # Cell Broadband Engine options
 #
 CONFIG_SPU_FS=m
+CONFIG_SPU_BASE=y
 CONFIG_SPUFS_MMAP=y
+CONFIG_CBE_RAS=y
 
 #
 # Kernel options
@@ -152,20 +157,24 @@ CONFIG_FORCE_MAX_ZONEORDER=13
 CONFIG_KEXEC=y
 # CONFIG_CRASH_DUMP is not set
 CONFIG_IRQ_ALL_CPUS=y
-# CONFIG_NUMA is not set
+CONFIG_NUMA=y
+CONFIG_NODES_SHIFT=4
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
-CONFIG_ARCH_FLATMEM_ENABLE=y
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
 CONFIG_SELECT_MEMORY_MODEL=y
 # CONFIG_FLATMEM_MANUAL is not set
 # CONFIG_DISCONTIGMEM_MANUAL is not set
 CONFIG_SPARSEMEM_MANUAL=y
 CONFIG_SPARSEMEM=y
+CONFIG_NEED_MULTIPLE_NODES=y
 CONFIG_HAVE_MEMORY_PRESENT=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPARSEMEM_EXTREME=y
-# CONFIG_MEMORY_HOTPLUG is not set
+CONFIG_MEMORY_HOTPLUG=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_MIGRATION=y
+CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
+CONFIG_ARCH_MEMORY_PROBE=y
 # CONFIG_PPC_64K_PAGES is not set
 CONFIG_SCHED_SMT=y
 CONFIG_PROC_DEVICETREE=y
@@ -182,6 +191,7 @@ CONFIG_GENERIC_ISA_DMA=y
 # CONFIG_PPC_INDIRECT_PCI is not set
 CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
+CONFIG_PCIEPORTBUS=y
 # CONFIG_PCI_DEBUG is not set
 
 #
@@ -476,7 +486,7 @@ CONFIG_DM_MULTIPATH=m
 #
 CONFIG_NETDEVICES=y
 # CONFIG_DUMMY is not set
-# CONFIG_BONDING is not set
+CONFIG_BONDING=y
 # CONFIG_EQUALIZER is not set
 # CONFIG_TUN is not set
 
@@ -624,6 +634,7 @@ CONFIG_SERIAL_NONSTANDARD=y
 # CONFIG_N_HDLC is not set
 # CONFIG_SPECIALIX is not set
 # CONFIG_SX is not set
+# CONFIG_RIO is not set
 # CONFIG_STALDRV is not set
 
 #
@@ -766,6 +777,7 @@ CONFIG_I2C_ALGOBIT=y
 # Multimedia devices
 #
 # CONFIG_VIDEO_DEV is not set
+CONFIG_VIDEO_V4L2=y
 
 #
 # Digital Video Broadcasting Devices
@@ -1054,11 +1066,7 @@ CONFIG_DEBUGGER=y
 # CONFIG_XMON is not set
 CONFIG_IRQSTACKS=y
 # CONFIG_BOOTX_TEXT is not set
-# CONFIG_PPC_EARLY_DEBUG_LPAR is not set
-# CONFIG_PPC_EARLY_DEBUG_G5 is not set
-# CONFIG_PPC_EARLY_DEBUG_RTAS is not set
-# CONFIG_PPC_EARLY_DEBUG_MAPLE is not set
-# CONFIG_PPC_EARLY_DEBUG_ISERIES is not set
+# CONFIG_PPC_EARLY_DEBUG is not set
 
 #
 # Security options

arch/powerpc/configs/pseries_defconfig

 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.17-rc1
-# Wed Apr 19 11:48:00 2006
+# Linux kernel version: 2.6.17-rc4
+# Sun May 28 07:26:56 2006
 #
 CONFIG_PPC64=y
 CONFIG_64BIT=y
@@ -11,6 +11,7 @@ CONFIG_GENERIC_HARDIRQS=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_PPC=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_COMPAT=y
@@ -126,8 +127,9 @@ CONFIG_RTAS_PROC=y
 CONFIG_RTAS_FLASH=m
 # CONFIG_MMIO_NVRAM is not set
 CONFIG_IBMVIO=y
-# CONFIG_IBMEBUS is not set
+CONFIG_IBMEBUS=y
 # CONFIG_PPC_MPC106 is not set
+# CONFIG_PPC_970_NAP is not set
 # CONFIG_CPU_FREQ is not set
 # CONFIG_WANT_EARLY_SERIAL is not set
 
@@ -143,7 +145,7 @@ CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT is not set
 # CONFIG_PREEMPT_BKL is not set
 CONFIG_BINFMT_ELF=y
-# CONFIG_BINFMT_MISC is not set
+CONFIG_BINFMT_MISC=m
 CONFIG_FORCE_MAX_ZONEORDER=13
 CONFIG_IOMMU_VMERGE=y
 CONFIG_HOTPLUG_CPU=y
@@ -155,6 +157,7 @@ CONFIG_EEH=y
 CONFIG_SCANLOG=m
 CONFIG_LPARCFG=y
 CONFIG_NUMA=y
+CONFIG_NODES_SHIFT=4
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
 CONFIG_ARCH_SPARSEMEM_DEFAULT=y
@@ -467,7 +470,7 @@ CONFIG_SCSI_CONSTANTS=y
 CONFIG_SCSI_SPI_ATTRS=y
 CONFIG_SCSI_FC_ATTRS=y
 CONFIG_SCSI_ISCSI_ATTRS=m
-# CONFIG_SCSI_SAS_ATTRS is not set
+CONFIG_SCSI_SAS_ATTRS=m
 
 #
 # SCSI low-level drivers
@@ -499,13 +502,18 @@ CONFIG_SCSI_SYM53C8XX_2=y
 CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=0
 CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
 CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
-# CONFIG_SCSI_SYM53C8XX_IOMAPPED is not set
+CONFIG_SCSI_SYM53C8XX_MMIO=y
 CONFIG_SCSI_IPR=y
 CONFIG_SCSI_IPR_TRACE=y
 CONFIG_SCSI_IPR_DUMP=y
-# CONFIG_SCSI_QLOGIC_FC is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
-# CONFIG_SCSI_QLA_FC is not set
+CONFIG_SCSI_QLA_FC=m
+CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE=y
+CONFIG_SCSI_QLA21XX=m
+CONFIG_SCSI_QLA22XX=m
+CONFIG_SCSI_QLA2300=m
+CONFIG_SCSI_QLA2322=m
+CONFIG_SCSI_QLA24XX=m
 CONFIG_SCSI_LPFC=m
 # CONFIG_SCSI_DC395x is not set
 # CONFIG_SCSI_DC390T is not set
@@ -521,7 +529,7 @@ CONFIG_MD_RAID0=y
 CONFIG_MD_RAID1=y
 CONFIG_MD_RAID10=m
 CONFIG_MD_RAID5=y
-# CONFIG_MD_RAID5_RESHAPE is not set
+CONFIG_MD_RAID5_RESHAPE=y
 CONFIG_MD_RAID6=m
 CONFIG_MD_MULTIPATH=m
 CONFIG_MD_FAULTY=m
@@ -764,7 +772,7 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_SERIAL_ICOM=m
-# CONFIG_SERIAL_JSM is not set
+CONFIG_SERIAL_JSM=m
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
@@ -773,7 +781,7 @@ CONFIG_LEGACY_PTY_COUNT=256
 # CONFIG_TIPAR is not set
 CONFIG_HVC_DRIVER=y
 CONFIG_HVC_CONSOLE=y
-# CONFIG_HVC_RTAS is not set
+CONFIG_HVC_RTAS=y
 CONFIG_HVCS=m
 
 #
@@ -1031,9 +1039,7 @@ CONFIG_USB_HIDDEV=y
 # CONFIG_USB_ACECAD is not set
 # CONFIG_USB_KBTAB is not set
 # CONFIG_USB_POWERMATE is not set
-# CONFIG_USB_MTOUCH is not set
-# CONFIG_USB_ITMTOUCH is not set
-# CONFIG_USB_EGALAX is not set
+# CONFIG_USB_TOUCHSCREEN is not set
 # CONFIG_USB_YEALINK is not set
 # CONFIG_USB_XPAD is not set
 # CONFIG_USB_ATI_REMOTE is not set
@@ -1104,17 +1110,26 @@ CONFIG_USB_MON=y
 #
 # CONFIG_NEW_LEDS is not set
 
+#
+# LED drivers
+#
+
+#
+# LED Triggers
+#
+
 #
 # InfiniBand support
 #
 CONFIG_INFINIBAND=m
-# CONFIG_INFINIBAND_USER_MAD is not set
-# CONFIG_INFINIBAND_USER_ACCESS is not set
+CONFIG_INFINIBAND_USER_MAD=m
+CONFIG_INFINIBAND_USER_ACCESS=m
 CONFIG_INFINIBAND_MTHCA=m
-# CONFIG_INFINIBAND_MTHCA_DEBUG is not set
+CONFIG_INFINIBAND_MTHCA_DEBUG=y
 CONFIG_INFINIBAND_IPOIB=m
-# CONFIG_INFINIBAND_IPOIB_DEBUG is not set
-# CONFIG_INFINIBAND_SRP is not set
+CONFIG_INFINIBAND_IPOIB_DEBUG=y
+# CONFIG_INFINIBAND_IPOIB_DEBUG_DATA is not set
+CONFIG_INFINIBAND_SRP=m
 
 #
 # EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
@@ -1159,15 +1174,15 @@ CONFIG_XFS_EXPORT=y
 CONFIG_XFS_SECURITY=y
 CONFIG_XFS_POSIX_ACL=y
 # CONFIG_XFS_RT is not set
-# CONFIG_OCFS2_FS is not set
+CONFIG_OCFS2_FS=m
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
 CONFIG_INOTIFY=y
 # CONFIG_QUOTA is not set
 CONFIG_DNOTIFY=y
-CONFIG_AUTOFS_FS=m
-# CONFIG_AUTOFS4_FS is not set
-# CONFIG_FUSE_FS is not set
+# CONFIG_AUTOFS_FS is not set
+CONFIG_AUTOFS4_FS=m
+CONFIG_FUSE_FS=m
 
 #
 # CD-ROM/DVD Filesystems
@@ -1199,7 +1214,7 @@ CONFIG_TMPFS=y
 CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
 CONFIG_RAMFS=y
-# CONFIG_CONFIGFS_FS is not set
+CONFIG_CONFIGFS_FS=m
 
 #
 # Miscellaneous filesystems
@@ -1317,7 +1332,7 @@ CONFIG_ZLIB_DEFLATE=m
 #
 CONFIG_PROFILING=y
 CONFIG_OPROFILE=y
-# CONFIG_KPROBES is not set
+CONFIG_KPROBES=y
 
 #
 # Kernel hacking
@@ -1329,7 +1344,7 @@ CONFIG_LOG_BUF_SHIFT=17
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
-CONFIG_DEBUG_MUTEXES=y
+# CONFIG_DEBUG_MUTEXES is not set
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_KOBJECT is not set
@@ -1339,17 +1354,13 @@ CONFIG_DEBUG_FS=y
 CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
 CONFIG_DEBUG_STACKOVERFLOW=y
-CONFIG_DEBUG_STACK_USAGE=y
+# CONFIG_DEBUG_STACK_USAGE is not set
 CONFIG_DEBUGGER=y
 CONFIG_XMON=y
 CONFIG_XMON_DEFAULT=y
 CONFIG_IRQSTACKS=y
 # CONFIG_BOOTX_TEXT is not set
-# CONFIG_PPC_EARLY_DEBUG_LPAR is not set
-# CONFIG_PPC_EARLY_DEBUG_G5 is not set
-# CONFIG_PPC_EARLY_DEBUG_RTAS is not set
-# CONFIG_PPC_EARLY_DEBUG_MAPLE is not set
-# CONFIG_PPC_EARLY_DEBUG_ISERIES is not set
+# CONFIG_PPC_EARLY_DEBUG is not set
 
 #
 # Security options

arch/powerpc/kernel/align.c

@@ -35,17 +35,19 @@ struct aligninfo {
 
 #define INVALID	{ 0, 0 }
 
-#define LD	1	/* load */
-#define ST	2	/* store */
-#define	SE	4	/* sign-extend value */
-#define F	8	/* to/from fp regs */
-#define U	0x10	/* update index register */
-#define M	0x20	/* multiple load/store */
-#define SW	0x40	/* byte swap int or ... */
-#define S	0x40	/* ... single-precision fp */
-#define SX	0x40	/* byte count in XER */
+/* Bits in the flags field */
+#define LD	0	/* load */
+#define ST	1	/* store */
+#define	SE	2	/* sign-extend value */
+#define F	4	/* to/from fp regs */
+#define U	8	/* update index register */
+#define M	0x10	/* multiple load/store */
+#define SW	0x20	/* byte swap */
+#define S	0x40	/* single-precision fp or... */
+#define SX	0x40	/* ... byte count in XER */
 #define HARD	0x80	/* string, stwcx. */
 
+/* DSISR bits reported for a DCBZ instruction: */
 #define DCBZ	0x5f	/* 8xx/82xx dcbz faults when cache not enabled */
 
 #define SWAP(a, b)	(t = (a), (a) = (b), (b) = t)
@@ -256,12 +258,16 @@ static int emulate_dcbz(struct pt_regs *regs, unsigned char __user *addr)
 #define REG_BYTE(rp, i)		*((u8 *)(rp) + (i))
 #endif
 
+#define SWIZ_PTR(p)		((unsigned char __user *)((p) ^ swiz))
+
 static int emulate_multiple(struct pt_regs *regs, unsigned char __user *addr,
 			    unsigned int reg, unsigned int nb,
-			    unsigned int flags, unsigned int instr)
+			    unsigned int flags, unsigned int instr,
+			    unsigned long swiz)
 {
 	unsigned long *rptr;
-	unsigned int nb0, i;
+	unsigned int nb0, i, bswiz;
+	unsigned long p;
 
 	/*
 	 * We do not try to emulate 8 bytes multiple as they aren't really
@@ -280,9 +286,12 @@ static int emulate_multiple(struct pt_regs *regs, unsigned char __user *addr,
 			if (nb == 0)
 				return 1;
 		} else {
-			if (__get_user(instr,
-				       (unsigned int __user *)regs->nip))
+			unsigned long pc = regs->nip ^ (swiz & 4);
+
+			if (__get_user(instr, (unsigned int __user *)pc))
 				return -EFAULT;
+			if (swiz == 0 && (flags & SW))
+				instr = cpu_to_le32(instr);
 			nb = (instr >> 11) & 0x1f;
 			if (nb == 0)
 				nb = 32;
@@ -300,7 +309,10 @@ static int emulate_multiple(struct pt_regs *regs, unsigned char __user *addr,
 		return -EFAULT;	/* bad address */
 
 	rptr = &regs->gpr[reg];
-	if (flags & LD) {
+	p = (unsigned long) addr;
+	bswiz = (flags & SW)? 3: 0;
+
+	if (!(flags & ST)) {
 		/*
 		 * This zeroes the top 4 bytes of the affected registers
 		 * in 64-bit mode, and also zeroes out any remaining
@@ -311,26 +323,28 @@ static int emulate_multiple(struct pt_regs *regs, unsigned char __user *addr,
 			memset(&regs->gpr[0], 0,
 			       ((nb0 + 3) / 4) * sizeof(unsigned long));
 
-		for (i = 0; i < nb; ++i)
-			if (__get_user(REG_BYTE(rptr, i), addr + i))
+		for (i = 0; i < nb; ++i, ++p)
+			if (__get_user(REG_BYTE(rptr, i ^ bswiz), SWIZ_PTR(p)))
 				return -EFAULT;
 		if (nb0 > 0) {
 			rptr = &regs->gpr[0];
 			addr += nb;
-			for (i = 0; i < nb0; ++i)
-				if (__get_user(REG_BYTE(rptr, i), addr + i))
+			for (i = 0; i < nb0; ++i, ++p)
+				if (__get_user(REG_BYTE(rptr, i ^ bswiz),
+					       SWIZ_PTR(p)))
 					return -EFAULT;
 		}
 
 	} else {
-		for (i = 0; i < nb; ++i)
-			if (__put_user(REG_BYTE(rptr, i), addr + i))
+		for (i = 0; i < nb; ++i, ++p)
+			if (__put_user(REG_BYTE(rptr, i ^ bswiz), SWIZ_PTR(p)))
 				return -EFAULT;
 		if (nb0 > 0) {
 			rptr = &regs->gpr[0];
 			addr += nb;
-			for (i = 0; i < nb0; ++i)
-				if (__put_user(REG_BYTE(rptr, i), addr + i))
+			for (i = 0; i < nb0; ++i, ++p)
+				if (__put_user(REG_BYTE(rptr, i ^ bswiz),
+					       SWIZ_PTR(p)))
 					return -EFAULT;
 		}
 	}
@@ -352,7 +366,7 @@ int fix_alignment(struct pt_regs *regs)
 	unsigned int reg, areg;
 	unsigned int dsisr;
 	unsigned char __user *addr;
-	unsigned char __user *p;
+	unsigned long p, swiz;
 	int ret, t;
 	union {
 		u64 ll;
@@ -380,11 +394,15 @@ int fix_alignment(struct pt_regs *regs)
 	 * let's make one up from the instruction
 	 */
 	if (cpu_has_feature(CPU_FTR_NODSISRALIGN)) {
-		unsigned int real_instr;
-		if (unlikely(__get_user(real_instr,
-					(unsigned int __user *)regs->nip)))
+		unsigned long pc = regs->nip;
+
+		if (cpu_has_feature(CPU_FTR_PPC_LE) && (regs->msr & MSR_LE))
+			pc ^= 4;
+		if (unlikely(__get_user(instr, (unsigned int __user *)pc)))
 			return -EFAULT;
-		dsisr = make_dsisr(real_instr);
+		if (cpu_has_feature(CPU_FTR_REAL_LE) && (regs->msr & MSR_LE))
+			instr = cpu_to_le32(instr);
+		dsisr = make_dsisr(instr);
 	}
 
 	/* extract the operation and registers from the dsisr */
@@ -397,6 +415,24 @@ int fix_alignment(struct pt_regs *regs)
 	nb = aligninfo[instr].len;
 	flags = aligninfo[instr].flags;
 
+	/* Byteswap little endian loads and stores */
+	swiz = 0;
+	if (regs->msr & MSR_LE) {
+		flags ^= SW;
+		/*
+		 * So-called "PowerPC little endian" mode works by
+		 * swizzling addresses rather than by actually doing
+		 * any byte-swapping.  To emulate this, we XOR each
+		 * byte address with 7.  We also byte-swap, because
+		 * the processor's address swizzling depends on the
+		 * operand size (it xors the address with 7 for bytes,
+		 * 6 for halfwords, 4 for words, 0 for doublewords) but
+		 * we will xor with 7 and load/store each byte separately.
+		 */
+		if (cpu_has_feature(CPU_FTR_PPC_LE))
+			swiz = 7;
+	}
+
 	/* DAR has the operand effective address */
 	addr = (unsigned char __user *)regs->dar;
 
@@ -412,7 +448,8 @@ int fix_alignment(struct pt_regs *regs)
 	 * function
 	 */
 	if (flags & M)
-		return emulate_multiple(regs, addr, reg, nb, flags, instr);
+		return emulate_multiple(regs, addr, reg, nb,
+					flags, instr, swiz);
 
 	/* Verify the address of the operand */
 	if (unlikely(user_mode(regs) &&
@@ -431,51 +468,71 @@ int fix_alignment(struct pt_regs *regs)
 	/* If we are loading, get the data from user space, else
 	 * get it from register values
 	 */
-	if (flags & LD) {
+	if (!(flags & ST)) {
 		data.ll = 0;
 		ret = 0;
-		p = addr;
+		p = (unsigned long) addr;
 		switch (nb) {
 		case 8:
-			ret |= __get_user(data.v[0], p++);
-			ret |= __get_user(data.v[1], p++);
-			ret |= __get_user(data.v[2], p++);
-			ret |= __get_user(data.v[3], p++);
+			ret |= __get_user(data.v[0], SWIZ_PTR(p++));
+			ret |= __get_user(data.v[1], SWIZ_PTR(p++));
+			ret |= __get_user(data.v[2], SWIZ_PTR(p++));
+			ret |= __get_user(data.v[3], SWIZ_PTR(p++));
 		case 4:
-			ret |= __get_user(data.v[4], p++);
-			ret |= __get_user(data.v[5], p++);
+			ret |= __get_user(data.v[4], SWIZ_PTR(p++));
+			ret |= __get_user(data.v[5], SWIZ_PTR(p++));
 		case 2:
-			ret |= __get_user(data.v[6], p++);
-			ret |= __get_user(data.v[7], p++);
+			ret |= __get_user(data.v[6], SWIZ_PTR(p++));
+			ret |= __get_user(data.v[7], SWIZ_PTR(p++));
 			if (unlikely(ret))
 				return -EFAULT;
 		}
-	} else if (flags & F)
+	} else if (flags & F) {
 		data.dd = current->thread.fpr[reg];
-	else
+		if (flags & S) {
+			/* Single-precision FP store requires conversion... */
+#ifdef CONFIG_PPC_FPU
+			preempt_disable();
+			enable_kernel_fp();
+			cvt_df(&data.dd, (float *)&data.v[4], &current->thread);
+			preempt_enable();
+#else
+			return 0;
+#endif
+		}
+	} else
 		data.ll = regs->gpr[reg];
 
-	/* Perform other misc operations like sign extension, byteswap,
+	if (flags & SW) {
+		switch (nb) {
+		case 8:
+			SWAP(data.v[0], data.v[7]);
+			SWAP(data.v[1], data.v[6]);
+			SWAP(data.v[2], data.v[5]);
+			SWAP(data.v[3], data.v[4]);
+			break;
+		case 4:
+			SWAP(data.v[4], data.v[7]);
+			SWAP(data.v[5], data.v[6]);
+			break;
+		case 2:
+			SWAP(data.v[6], data.v[7]);
+			break;
+		}
+	}
+
+	/* Perform other misc operations like sign extension
 	 * or floating point single precision conversion
 	 */
-	switch (flags & ~U) {
+	switch (flags & ~(U|SW)) {
 	case LD+SE:	/* sign extend */
 		if ( nb == 2 )
 			data.ll = data.x16.low16;
 		else	/* nb must be 4 */
 			data.ll = data.x32.low32;
 		break;
-	case LD+S:	/* byte-swap */
-	case ST+S:
-		if (nb == 2) {
-			SWAP(data.v[6], data.v[7]);
-		} else {
-			SWAP(data.v[4], data.v[7]);
-			SWAP(data.v[5], data.v[6]);
-		}
-		break;
 
-	/* Single-precision FP load and store require conversions... */
+	/* Single-precision FP load requires conversion... */
 	case LD+F+S:
 #ifdef CONFIG_PPC_FPU
 		preempt_disable();
@@ -484,16 +541,6 @@ int fix_alignment(struct pt_regs *regs)
 		preempt_enable();
 #else
 		return 0;
-#endif
-		break;
-	case ST+F+S:
-#ifdef CONFIG_PPC_FPU
-		preempt_disable();
-		enable_kernel_fp();
-		cvt_df(&data.dd, (float *)&data.v[4], &current->thread);
-		preempt_enable();
-#else
-		return 0;
 #endif
 		break;
 	}
@@ -501,19 +548,19 @@ int fix_alignment(struct pt_regs *regs)
 	/* Store result to memory or update registers */
 	if (flags & ST) {
 		ret = 0;
-		p = addr;
+		p = (unsigned long) addr;
 		switch (nb) {
 		case 8:
-			ret |= __put_user(data.v[0], p++);
-			ret |= __put_user(data.v[1], p++);
-			ret |= __put_user(data.v[2], p++);
-			ret |= __put_user(data.v[3], p++);
+			ret |= __put_user(data.v[0], SWIZ_PTR(p++));
+			ret |= __put_user(data.v[1], SWIZ_PTR(p++));
+			ret |= __put_user(data.v[2], SWIZ_PTR(p++));
+			ret |= __put_user(data.v[3], SWIZ_PTR(p++));
 		case 4:
-			ret |= __put_user(data.v[4], p++);
-			ret |= __put_user(data.v[5], p++);
+			ret |= __put_user(data.v[4], SWIZ_PTR(p++));
+			ret |= __put_user(data.v[5], SWIZ_PTR(p++));
 		case 2:
-			ret |= __put_user(data.v[6], p++);
-			ret |= __put_user(data.v[7], p++);
+			ret |= __put_user(data.v[6], SWIZ_PTR(p++));
+			ret |= __put_user(data.v[7], SWIZ_PTR(p++));
 		}
 		if (unlikely(ret))
 			return -EFAULT;

arch/powerpc/kernel/asm-offsets.c

@@ -122,9 +122,8 @@ int main(void)
 	DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache));
 	DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr));
 	DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id));
-#ifdef CONFIG_PPC_64K_PAGES
-	DEFINE(PACAPGDIR, offsetof(struct paca_struct, pgdir));
-#endif
+	DEFINE(PACACONTEXTSLLP, offsetof(struct paca_struct, context.sllp));
+	DEFINE(PACAVMALLOCSLLP, offsetof(struct paca_struct, vmalloc_sllp));
 #ifdef CONFIG_HUGETLB_PAGE
 	DEFINE(PACALOWHTLBAREAS, offsetof(struct paca_struct, context.low_htlb_areas));
 	DEFINE(PACAHIGHHTLBAREAS, offsetof(struct paca_struct, context.high_htlb_areas));

arch/powerpc/kernel/cpu_setup_6xx.S

@@ -210,9 +210,11 @@ setup_745x_specifics:
 	 * the firmware. If any, we disable NAP capability as
 	 * it's known to be bogus on rev 2.1 and earlier
 	 */
+BEGIN_FTR_SECTION
 	mfspr	r11,SPRN_L3CR
 	andis.	r11,r11,L3CR_L3E@h
 	beq	1f
+END_FTR_SECTION_IFSET(CPU_FTR_L3CR)
 	lwz	r6,CPU_SPEC_FEATURES(r5)
 	andi.	r0,r6,CPU_FTR_L3_DISABLE_NAP
 	beq	1f

arch/powerpc/kernel/cpu_setup_power4.S

@@ -73,23 +73,6 @@ _GLOBAL(__970_cpu_preinit)
 	isync
 	blr
 
-_GLOBAL(__setup_cpu_power4)
-	blr
-
-_GLOBAL(__setup_cpu_be)
-        /* Set large page sizes LP=0: 16MB, LP=1: 64KB */
-        addi    r3, 0,  0
-        ori     r3, r3, HID6_LB
-        sldi    r3, r3, 32
-        nor     r3, r3, r3
-        mfspr   r4, SPRN_HID6
-        and     r4, r4, r3
-        addi    r3, 0, 0x02000
-        sldi    r3, r3, 32
-        or      r4, r4, r3
-        mtspr   SPRN_HID6, r4
-	blr
-
 _GLOBAL(__setup_cpu_ppc970)
 	mfspr	r0,SPRN_HID0
 	li	r11,5			/* clear DOZE and SLEEP */

arch/powerpc/kernel/crash.c

@@ -22,6 +22,7 @@
 #include <linux/elf.h>
 #include <linux/elfcore.h>
 #include <linux/init.h>
+#include <linux/irq.h>
 #include <linux/types.h>
 
 #include <asm/processor.h>
@@ -174,6 +175,8 @@ static void crash_kexec_prepare_cpus(void)
 
 void default_machine_crash_shutdown(struct pt_regs *regs)
 {
+	unsigned int irq;
+
 	/*
 	 * This function is only called after the system
 	 * has paniced or is otherwise in a critical state.
@@ -186,6 +189,16 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
 	 */
 	local_irq_disable();
 
+	for_each_irq(irq) {
+		struct irq_desc *desc = irq_descp(irq);
+
+		if (desc->status & IRQ_INPROGRESS)
+			desc->handler->end(irq);
+
+		if (!(desc->status & IRQ_DISABLED))
+			desc->handler->disable(irq);
+	}
+
 	if (ppc_md.kexec_cpu_down)
 		ppc_md.kexec_cpu_down(1, 0);
 

arch/powerpc/kernel/crash_dump.c

@@ -25,6 +25,11 @@
 #define DBG(fmt...)
 #endif
 
+void reserve_kdump_trampoline(void)
+{
+	lmb_reserve(0, KDUMP_RESERVE_LIMIT);
+}
+
 static void __init create_trampoline(unsigned long addr)
 {
 	/* The maximum range of a single instruction branch, is the current
@@ -39,11 +44,11 @@ static void __init create_trampoline(unsigned long addr)
 	create_branch(addr + 4, addr + PHYSICAL_START, 0);
 }
 
-void __init kdump_setup(void)
+void __init setup_kdump_trampoline(void)
 {
 	unsigned long i;
 
-	DBG(" -> kdump_setup()\n");
+	DBG(" -> setup_kdump_trampoline()\n");
 
 	for (i = KDUMP_TRAMPOLINE_START; i < KDUMP_TRAMPOLINE_END; i += 8) {
 		create_trampoline(i);
@@ -52,7 +57,7 @@ void __init kdump_setup(void)
 	create_trampoline(__pa(system_reset_fwnmi) - PHYSICAL_START);
 	create_trampoline(__pa(machine_check_fwnmi) - PHYSICAL_START);
 
-	DBG(" <- kdump_setup()\n");
+	DBG(" <- setup_kdump_trampoline()\n");
 }
 
 #ifdef CONFIG_PROC_VMCORE

arch/powerpc/kernel/entry_64.S

@@ -57,6 +57,7 @@ system_call_common:
 	beq-	1f
 	ld	r1,PACAKSAVE(r13)
 1:	std	r10,0(r1)
+	crclr	so
 	std	r11,_NIP(r1)
 	std	r12,_MSR(r1)
 	std	r0,GPR0(r1)
@@ -75,7 +76,6 @@ system_call_common:
 	std	r11,GPR11(r1)
 	std	r11,GPR12(r1)
 	std	r9,GPR13(r1)
-	crclr	so
 	mfcr	r9
 	mflr	r10
 	li	r11,0xc01

arch/powerpc/kernel/fpu.S

@@ -72,7 +72,7 @@ _GLOBAL(load_up_fpu)
 	std	r12,_MSR(r1)
 #endif
 	lfd	fr0,THREAD_FPSCR(r5)
-	mtfsf	0xff,fr0
+	MTFSF_L(fr0)
 	REST_32FPRS(0, r5)
 #ifndef CONFIG_SMP
 	subi	r4,r5,THREAD
@@ -127,7 +127,7 @@ _GLOBAL(giveup_fpu)
 
 _GLOBAL(cvt_fd)
 	lfd	0,THREAD_FPSCR(r5)	/* load up fpscr value */
-	mtfsf	0xff,0
+	MTFSF_L(0)
 	lfs	0,0(r3)
 	stfd	0,0(r4)
 	mffs	0
@@ -136,7 +136,7 @@ _GLOBAL(cvt_fd)
 
 _GLOBAL(cvt_df)
 	lfd	0,THREAD_FPSCR(r5)	/* load up fpscr value */
-	mtfsf	0xff,0
+	MTFSF_L(0)
 	lfd	0,0(r3)
 	stfs	0,0(r4)
 	mffs	0

arch/powerpc/kernel/head_32.S

@@ -973,6 +973,13 @@ __secondary_start_gemini:
         b       __secondary_start
 #endif /* CONFIG_GEMINI */
 
+	.globl __secondary_start_mpc86xx
+__secondary_start_mpc86xx:
+	mfspr	r3, SPRN_PIR
+	stw	r3, __secondary_hold_acknowledge@l(0)
+	mr	r24, r3			/* cpu # */
+	b	__secondary_start
+
 	.globl	__secondary_start_pmac_0
 __secondary_start_pmac_0:
 	/* NB the entries for cpus 0, 1, 2 must each occupy 8 bytes. */
@@ -1088,7 +1095,12 @@ load_up_mmu:
 	LOAD_BAT(1,r3,r4,r5)
 	LOAD_BAT(2,r3,r4,r5)
 	LOAD_BAT(3,r3,r4,r5)
-
+BEGIN_FTR_SECTION
+	LOAD_BAT(4,r3,r4,r5)
+	LOAD_BAT(5,r3,r4,r5)
+	LOAD_BAT(6,r3,r4,r5)
+	LOAD_BAT(7,r3,r4,r5)
+END_FTR_SECTION_IFSET(CPU_FTR_HAS_HIGH_BATS)
 	blr
 
 /*

arch/powerpc/kernel/head_64.S

@@ -316,6 +316,21 @@ label##_pSeries:					\
 	mtspr	SPRN_SPRG1,r13;		/* save r13 */	\
 	EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common)
 
+#define HSTD_EXCEPTION_PSERIES(n, label)		\
+	. = n;						\
+	.globl label##_pSeries;				\
+label##_pSeries:					\
+	HMT_MEDIUM;					\
+	mtspr	SPRN_SPRG1,r20;		/* save r20 */	\
+	mfspr	r20,SPRN_HSRR0;		/* copy HSRR0 to SRR0 */ \
+	mtspr	SPRN_SRR0,r20;				\
+	mfspr	r20,SPRN_HSRR1;		/* copy HSRR0 to SRR0 */ \
+	mtspr	SPRN_SRR1,r20;				\
+	mfspr	r20,SPRN_SPRG1;		/* restore r20 */ \
+	mtspr	SPRN_SPRG1,r13;		/* save r13 */	\
+	EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common)
+
+
 #define STD_EXCEPTION_ISERIES(n, label, area)		\
 	.globl label##_iSeries;				\
 label##_iSeries:					\
@@ -544,8 +559,17 @@ system_call_pSeries:
 
 	STD_EXCEPTION_PSERIES(0xf20, altivec_unavailable)
 
+#ifdef CONFIG_CBE_RAS
+	HSTD_EXCEPTION_PSERIES(0x1200, cbe_system_error)
+#endif /* CONFIG_CBE_RAS */
 	STD_EXCEPTION_PSERIES(0x1300, instruction_breakpoint)
+#ifdef CONFIG_CBE_RAS
+	HSTD_EXCEPTION_PSERIES(0x1600, cbe_maintenance)
+#endif /* CONFIG_CBE_RAS */
 	STD_EXCEPTION_PSERIES(0x1700, altivec_assist)
+#ifdef CONFIG_CBE_RAS
+	HSTD_EXCEPTION_PSERIES(0x1800, cbe_thermal)
+#endif /* CONFIG_CBE_RAS */
 
 	. = 0x3000
 
@@ -827,6 +851,11 @@ machine_check_common:
 #else
 	STD_EXCEPTION_COMMON(0x1700, altivec_assist, .unknown_exception)
 #endif
+#ifdef CONFIG_CBE_RAS
+	STD_EXCEPTION_COMMON(0x1200, cbe_system_error, .cbe_system_error_exception)
+	STD_EXCEPTION_COMMON(0x1600, cbe_maintenance, .cbe_maintenance_exception)
+	STD_EXCEPTION_COMMON(0x1800, cbe_thermal, .cbe_thermal_exception)
+#endif /* CONFIG_CBE_RAS */
 
 /*
  * Here we have detected that the kernel stack pointer is bad.

arch/powerpc/kernel/iomap.c

@@ -106,8 +106,6 @@ EXPORT_SYMBOL(iowrite32_rep);
 
 void __iomem *ioport_map(unsigned long port, unsigned int len)
 {
-	if (!_IO_IS_VALID(port))
-		return NULL;
 	return (void __iomem *) (port+pci_io_base);
 }
 

arch/powerpc/kernel/iommu.c

@@ -418,10 +418,11 @@ void iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist,
  * Build a iommu_table structure.  This contains a bit map which
  * is used to manage allocation of the tce space.
  */
-struct iommu_table *iommu_init_table(struct iommu_table *tbl)
+struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid)
 {
 	unsigned long sz;
 	static int welcomed = 0;
+	struct page *page;
 
 	/* Set aside 1/4 of the table for large allocations. */
 	tbl->it_halfpoint = tbl->it_size * 3 / 4;
@@ -429,10 +430,10 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl)
 	/* number of bytes needed for the bitmap */
 	sz = (tbl->it_size + 7) >> 3;
 
-	tbl->it_map = (unsigned long *)__get_free_pages(GFP_ATOMIC, get_order(sz));
-	if (!tbl->it_map)
+	page = alloc_pages_node(nid, GFP_ATOMIC, get_order(sz));
+	if (!page)
 		panic("iommu_init_table: Can't allocate %ld bytes\n", sz);
-
+	tbl->it_map = page_address(page);
 	memset(tbl->it_map, 0, sz);
 
 	tbl->it_hint = 0;
@@ -536,11 +537,12 @@ void iommu_unmap_single(struct iommu_table *tbl, dma_addr_t dma_handle,
  * to the dma address (mapping) of the first page.
  */
 void *iommu_alloc_coherent(struct iommu_table *tbl, size_t size,
-		dma_addr_t *dma_handle, unsigned long mask, gfp_t flag)
+		dma_addr_t *dma_handle, unsigned long mask, gfp_t flag, int node)
 {
 	void *ret = NULL;
 	dma_addr_t mapping;
 	unsigned int npages, order;
+	struct page *page;
 
 	size = PAGE_ALIGN(size);
 	npages = size >> PAGE_SHIFT;
@@ -560,9 +562,10 @@ void *iommu_alloc_coherent(struct iommu_table *tbl, size_t size,
 		return NULL;
 
 	/* Alloc enough pages (and possibly more) */
-	ret = (void *)__get_free_pages(flag, order);
-	if (!ret)
+	page = alloc_pages_node(node, flag, order);
+	if (!page)
 		return NULL;
+	ret = page_address(page);
 	memset(ret, 0, size);
 
 	/* Set up tces to cover the allocated range */
@@ -570,8 +573,8 @@ void *iommu_alloc_coherent(struct iommu_table *tbl, size_t size,
 			      mask >> PAGE_SHIFT, order);
 	if (mapping == DMA_ERROR_CODE) {
 		free_pages((unsigned long)ret, order);
-		ret = NULL;
-	} else
+		return NULL;
+	}
 	*dma_handle = mapping;
 	return ret;
 }

arch/powerpc/kernel/irq.c

@@ -47,6 +47,7 @@
 #include <linux/cpumask.h>
 #include <linux/profile.h>
 #include <linux/bitops.h>
+#include <linux/pci.h>
 
 #include <asm/uaccess.h>
 #include <asm/system.h>
@@ -436,6 +437,30 @@ void do_softirq(void)
 }
 EXPORT_SYMBOL(do_softirq);
 
+#ifdef CONFIG_PCI_MSI
+int pci_enable_msi(struct pci_dev * pdev)
+{
+	if (ppc_md.enable_msi)
+		return ppc_md.enable_msi(pdev);
+	else
+		return -1;
+}
+
+void pci_disable_msi(struct pci_dev * pdev)
+{
+	if (ppc_md.disable_msi)
+		ppc_md.disable_msi(pdev);
+}
+
+void pci_scan_msi_device(struct pci_dev *dev) {}
+int pci_enable_msix(struct pci_dev* dev, struct msix_entry *entries, int nvec) {return -1;}
+void pci_disable_msix(struct pci_dev *dev) {}
+void msi_remove_pci_irq_vectors(struct pci_dev *dev) {}
+void disable_msi_mode(struct pci_dev *dev, int pos, int type) {}
+void pci_no_msi(void) {}
+
+#endif
+
 #ifdef CONFIG_PPC64
 static int __init setup_noirqdistrib(char *str)
 {

arch/powerpc/kernel/lparcfg.c

@@ -521,10 +521,10 @@ static ssize_t lparcfg_write(struct file *file, const char __user * buf,
 
 	current_weight = (resource >> 5 * 8) & 0xFF;
 
-	pr_debug("%s: current_entitled = %lu, current_weight = %lu\n",
+	pr_debug("%s: current_entitled = %lu, current_weight = %u\n",
 		 __FUNCTION__, current_entitled, current_weight);
 
-	pr_debug("%s: new_entitled = %lu, new_weight = %lu\n",
+	pr_debug("%s: new_entitled = %lu, new_weight = %u\n",
 		 __FUNCTION__, *new_entitled_ptr, *new_weight_ptr);
 
 	retval = plpar_hcall_norets(H_SET_PPP, *new_entitled_ptr,

arch/powerpc/kernel/machine_kexec_64.c

@@ -21,6 +21,7 @@
 #include <asm/machdep.h>
 #include <asm/cacheflush.h>
 #include <asm/paca.h>
+#include <asm/lmb.h>
 #include <asm/mmu.h>
 #include <asm/sections.h>	/* _end */
 #include <asm/prom.h>
@@ -335,7 +336,105 @@ static void __init export_htab_values(void)
 	of_node_put(node);
 }
 
+static struct property crashk_base_prop = {
+	.name = "linux,crashkernel-base",
+	.length = sizeof(unsigned long),
+	.value = (unsigned char *)&crashk_res.start,
+};
+
+static unsigned long crashk_size;
+
+static struct property crashk_size_prop = {
+	.name = "linux,crashkernel-size",
+	.length = sizeof(unsigned long),
+	.value = (unsigned char *)&crashk_size,
+};
+
+static void __init export_crashk_values(void)
+{
+	struct device_node *node;
+	struct property *prop;
+
+	node = of_find_node_by_path("/chosen");
+	if (!node)
+		return;
+
+	/* There might be existing crash kernel properties, but we can't
+	 * be sure what's in them, so remove them. */
+	prop = of_find_property(node, "linux,crashkernel-base", NULL);
+	if (prop)
+		prom_remove_property(node, prop);
+
+	prop = of_find_property(node, "linux,crashkernel-size", NULL);
+	if (prop)
+		prom_remove_property(node, prop);
+
+	if (crashk_res.start != 0) {
+		prom_add_property(node, &crashk_base_prop);
+		crashk_size = crashk_res.end - crashk_res.start + 1;
+		prom_add_property(node, &crashk_size_prop);
+	}
+
+	of_node_put(node);
+}
+
 void __init kexec_setup(void)
 {
 	export_htab_values();
+	export_crashk_values();
+}
+
+static int __init early_parse_crashk(char *p)
+{
+	unsigned long size;
+
+	if (!p)
+		return 1;
+
+	size = memparse(p, &p);
+
+	if (*p == '@')
+		crashk_res.start = memparse(p + 1, &p);
+	else
+		crashk_res.start = KDUMP_KERNELBASE;
+
+	crashk_res.end = crashk_res.start + size - 1;
+
+	return 0;
+}
+early_param("crashkernel", early_parse_crashk);
+
+void __init reserve_crashkernel(void)
+{
+	unsigned long size;
+
+	if (crashk_res.start == 0)
+		return;
+
+	/* We might have got these values via the command line or the
+	 * device tree, either way sanitise them now. */
+
+	size = crashk_res.end - crashk_res.start + 1;
+
+	if (crashk_res.start != KDUMP_KERNELBASE)
+		printk("Crash kernel location must be 0x%x\n",
+				KDUMP_KERNELBASE);
+
+	crashk_res.start = KDUMP_KERNELBASE;
+	size = PAGE_ALIGN(size);
+	crashk_res.end = crashk_res.start + size - 1;
+
+	/* Crash kernel trumps memory limit */
+	if (memory_limit && memory_limit <= crashk_res.end) {
+		memory_limit = crashk_res.end + 1;
+		printk("Adjusted memory limit for crashkernel, now 0x%lx\n",
+				memory_limit);
+	}
+
+	lmb_reserve(crashk_res.start, size);
+}
+
+int overlaps_crashkernel(unsigned long start, unsigned long size)
+{
+	return (start + size) > crashk_res.start && start <= crashk_res.end;
 }

arch/powerpc/kernel/misc_32.S

@@ -216,7 +216,7 @@ _GLOBAL(call_setup_cpu)
 	lwz	r4,0(r4)
 	add	r4,r4,r3
 	lwz	r5,CPU_SPEC_SETUP(r4)
-	cmpi	0,r5,0
+	cmpwi	0,r5,0
 	add	r5,r5,r3
 	beqlr
 	mtctr	r5

arch/powerpc/kernel/misc_64.S

@@ -482,7 +482,9 @@ _GLOBAL(identify_cpu)
 	sub	r0,r3,r5
 	std	r0,0(r4)
 	ld	r4,CPU_SPEC_SETUP(r3)
+	cmpdi	0,r4,0
 	add	r4,r4,r5
+	beqlr
 	ld	r4,0(r4)
 	add	r4,r4,r5
 	mtctr	r4
@@ -768,9 +770,6 @@ _GLOBAL(giveup_altivec)
 
 #endif /* CONFIG_ALTIVEC */
 
-_GLOBAL(__setup_cpu_power3)
-	blr
-
 _GLOBAL(execve)
 	li	r0,__NR_execve
 	sc

arch/powerpc/kernel/nvram_64.c

@@ -204,7 +204,7 @@ static void nvram_print_partitions(char * label)
 	printk(KERN_WARNING "indx\t\tsig\tchks\tlen\tname\n");
 	list_for_each(p, &nvram_part->partition) {
 		tmp_part = list_entry(p, struct nvram_partition, partition);
-		printk(KERN_WARNING "%d    \t%02x\t%02x\t%d\t%s\n",
+		printk(KERN_WARNING "%4d    \t%02x\t%02x\t%d\t%s\n",
 		       tmp_part->index, tmp_part->header.signature,
 		       tmp_part->header.checksum, tmp_part->header.length,
 		       tmp_part->header.name);

arch/powerpc/kernel/pci_32.c

@@ -1113,9 +1113,10 @@ check_for_io_childs(struct pci_bus *bus, struct resource* res, int *found_vga)
 	int	i;
 	int	rc = 0;
 
-#define push_end(res, size) do { unsigned long __sz = (size) ; \
-	res->end = ((res->end + __sz) / (__sz + 1)) * (__sz + 1) + __sz; \
-    } while (0)
+#define push_end(res, mask) do {		\
+	BUG_ON((mask+1) & mask);		\
+	res->end = (res->end + mask) | mask;	\
+} while (0)
 
 	list_for_each_entry(dev, &bus->devices, bus_list) {
 		u16 class = dev->class >> 8;

arch/powerpc/kernel/pci_64.c

@@ -42,14 +42,6 @@
 unsigned long pci_probe_only = 1;
 int pci_assign_all_buses = 0;
 
-/*
- * legal IO pages under MAX_ISA_PORT.  This is to ensure we don't touch
- * devices we don't have access to.
- */
-unsigned long io_page_mask;
-
-EXPORT_SYMBOL(io_page_mask);
-
 #ifdef CONFIG_PPC_MULTIPLATFORM
 static void fixup_resource(struct resource *res, struct pci_dev *dev);
 static void do_bus_setup(struct pci_bus *bus);
@@ -235,8 +227,10 @@ struct pci_controller * pcibios_alloc_controller(struct device_node *dev)
 	pci_setup_pci_controller(phb);
 	phb->arch_data = dev;
 	phb->is_dynamic = mem_init_done;
-	if (dev)
+	if (dev) {
+		PHB_SET_NODE(phb, of_node_to_nid(dev));
 		add_linux_pci_domain(dev, phb);
+	}
 	return phb;
 }
 
@@ -396,7 +390,7 @@ struct pci_dev *of_create_pci_dev(struct device_node *node,
 
 	dev->current_state = 4;		/* unknown power state */
 
-	if (!strcmp(type, "pci")) {
+	if (!strcmp(type, "pci") || !strcmp(type, "pciex")) {
 		/* a PCI-PCI bridge */
 		dev->hdr_type = PCI_HEADER_TYPE_BRIDGE;
 		dev->rom_base_reg = PCI_ROM_ADDRESS1;
@@ -605,7 +599,7 @@ static int __init pcibios_init(void)
 	iSeries_pcibios_init(); 
 #endif
 
-	printk("PCI: Probing PCI hardware\n");
+	printk(KERN_DEBUG "PCI: Probing PCI hardware\n");
 
 	/* Scan all of the recorded PCI controllers.  */
 	list_for_each_entry_safe(hose, tmp, &hose_list, list_node) {
@@ -630,14 +624,14 @@ static int __init pcibios_init(void)
 	/* Cache the location of the ISA bridge (if we have one) */
 	ppc64_isabridge_dev = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL);
 	if (ppc64_isabridge_dev != NULL)
-		printk("ISA bridge at %s\n", pci_name(ppc64_isabridge_dev));
+		printk(KERN_DEBUG "ISA bridge at %s\n", pci_name(ppc64_isabridge_dev));
 
 #ifdef CONFIG_PPC_MULTIPLATFORM
 	/* map in PCI I/O space */
 	phbs_remap_io();
 #endif
 
-	printk("PCI: Probing PCI hardware done\n");
+	printk(KERN_DEBUG "PCI: Probing PCI hardware done\n");
 
 	return 0;
 }
@@ -804,7 +798,7 @@ static pgprot_t __pci_mmap_set_pgprot(struct pci_dev *dev, struct resource *rp,
 	else
 		prot |= _PAGE_GUARDED;
 
-	printk("PCI map for %s:%lx, prot: %lx\n", pci_name(dev), rp->start,
+	printk(KERN_DEBUG "PCI map for %s:%lx, prot: %lx\n", pci_name(dev), rp->start,
 	       prot);
 
 	return __pgprot(prot);
@@ -894,8 +888,8 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
 	return ret;
 }
 
-#ifdef CONFIG_PPC_MULTIPLATFORM
-static ssize_t pci_show_devspec(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t pci_show_devspec(struct device *dev,
+		struct device_attribute *attr, char *buf)
 {
 	struct pci_dev *pdev;
 	struct device_node *np;
@@ -907,13 +901,10 @@ static ssize_t pci_show_devspec(struct device *dev, struct device_attribute *att
 	return sprintf(buf, "%s", np->full_name);
 }
 static DEVICE_ATTR(devspec, S_IRUGO, pci_show_devspec, NULL);
-#endif /* CONFIG_PPC_MULTIPLATFORM */
 
 void pcibios_add_platform_entries(struct pci_dev *pdev)
 {
-#ifdef CONFIG_PPC_MULTIPLATFORM
 	device_create_file(&pdev->dev, &dev_attr_devspec);
-#endif /* CONFIG_PPC_MULTIPLATFORM */
 }
 
 #ifdef CONFIG_PPC_MULTIPLATFORM
@@ -1104,8 +1095,6 @@ void __init pci_setup_phb_io(struct pci_controller *hose, int primary)
 			pci_process_ISA_OF_ranges(isa_dn, hose->io_base_phys,
 						hose->io_base_virt);
 			of_node_put(isa_dn);
-			/* Allow all IO */
-			io_page_mask = -1;
 		}
 	}
 
@@ -1212,7 +1201,7 @@ int remap_bus_range(struct pci_bus *bus)
 		return 1;
 	if (start_phys == 0)
 		return 1;
-	printk("mapping IO %lx -> %lx, size: %lx\n", start_phys, start_virt, size);
+	printk(KERN_DEBUG "mapping IO %lx -> %lx, size: %lx\n", start_phys, start_virt, size);
 	if (__ioremap_explicit(start_phys, start_virt, size,
 			       _PAGE_NO_CACHE | _PAGE_GUARDED))
 		return 1;
@@ -1232,27 +1221,13 @@ static void phbs_remap_io(void)
 static void __devinit fixup_resource(struct resource *res, struct pci_dev *dev)
 {
 	struct pci_controller *hose = pci_bus_to_host(dev->bus);
-	unsigned long start, end, mask, offset;
+	unsigned long offset;
 
 	if (res->flags & IORESOURCE_IO) {
 		offset = (unsigned long)hose->io_base_virt - pci_io_base;
 
-		start = res->start += offset;
-		end = res->end += offset;
-
-		/* Need to allow IO access to pages that are in the
-		   ISA range */
-		if (start < MAX_ISA_PORT) {
-			if (end > MAX_ISA_PORT)
-				end = MAX_ISA_PORT;
-
-			start >>= PAGE_SHIFT;
-			end >>= PAGE_SHIFT;
-
-			/* get the range of pages for the map */
-			mask = ((1 << (end+1)) - 1) ^ ((1 << start) - 1);
-			io_page_mask |= mask;
-		}
+		res->start += offset;
+		res->end += offset;
 	} else if (res->flags & IORESOURCE_MEM) {
 		res->start += hose->pci_mem_offset;
 		res->end += hose->pci_mem_offset;
@@ -1442,3 +1417,12 @@ long sys_pciconfig_iobase(long which, unsigned long in_bus,
 
 	return -EOPNOTSUPP;
 }
+
+#ifdef CONFIG_NUMA
+int pcibus_to_node(struct pci_bus *bus)
+{
+	struct pci_controller *phb = pci_bus_to_host(bus);
+	return phb->node;
+}
+EXPORT_SYMBOL(pcibus_to_node);
+#endif

arch/powerpc/kernel/pci_direct_iommu.c

@@ -82,13 +82,17 @@ static int pci_direct_dma_supported(struct device *dev, u64 mask)
 	return mask < 0x100000000ull;
 }
 
+static struct dma_mapping_ops pci_direct_ops = {
+	.alloc_coherent = pci_direct_alloc_coherent,
+	.free_coherent = pci_direct_free_coherent,
+	.map_single = pci_direct_map_single,
+	.unmap_single = pci_direct_unmap_single,
+	.map_sg = pci_direct_map_sg,
+	.unmap_sg = pci_direct_unmap_sg,
+	.dma_supported = pci_direct_dma_supported,
+};
+
 void __init pci_direct_iommu_init(void)
 {
-	pci_dma_ops.alloc_coherent = pci_direct_alloc_coherent;
-	pci_dma_ops.free_coherent = pci_direct_free_coherent;
-	pci_dma_ops.map_single = pci_direct_map_single;
-	pci_dma_ops.unmap_single = pci_direct_unmap_single;
-	pci_dma_ops.map_sg = pci_direct_map_sg;
-	pci_dma_ops.unmap_sg = pci_direct_unmap_sg;
-	pci_dma_ops.dma_supported = pci_direct_dma_supported;
+	pci_dma_ops = pci_direct_ops;
 }

arch/powerpc/kernel/pci_dn.c

@@ -31,6 +31,7 @@
 #include <asm/pci-bridge.h>
 #include <asm/pSeries_reconfig.h>
 #include <asm/ppc-pci.h>
+#include <asm/firmware.h>
 
 /*
  * Traverse_func that inits the PCI fields of the device node.
@@ -59,6 +60,11 @@ static void * __devinit update_dn_pci_info(struct device_node *dn, void *data)
 		pdn->busno = (regs[0] >> 16) & 0xff;
 		pdn->devfn = (regs[0] >> 8) & 0xff;
 	}
+	if (firmware_has_feature(FW_FEATURE_ISERIES)) {
+		u32 *busp = (u32 *)get_property(dn, "linux,subbus", NULL);
+		if (busp)
+			pdn->bussubno = *busp;
+	}
 
 	pdn->pci_ext_config_space = (type && *type == 1);
 	return NULL;

arch/powerpc/kernel/pci_iommu.c

@@ -44,16 +44,16 @@
  */
 #define PCI_GET_DN(dev) ((struct device_node *)((dev)->sysdata))
 
-static inline struct iommu_table *devnode_table(struct device *dev)
+static inline struct iommu_table *device_to_table(struct device *hwdev)
 {
 	struct pci_dev *pdev;
 
-	if (!dev) {
+	if (!hwdev) {
 		pdev = ppc64_isabridge_dev;
 		if (!pdev)
 			return NULL;
 	} else
-		pdev = to_pci_dev(dev);
+		pdev = to_pci_dev(hwdev);
 
 	return PCI_DN(PCI_GET_DN(pdev))->iommu_table;
 }
@@ -85,14 +85,15 @@ static inline unsigned long device_to_mask(struct device *hwdev)
 static void *pci_iommu_alloc_coherent(struct device *hwdev, size_t size,
 			   dma_addr_t *dma_handle, gfp_t flag)
 {
-	return iommu_alloc_coherent(devnode_table(hwdev), size, dma_handle,
-			device_to_mask(hwdev), flag);
+	return iommu_alloc_coherent(device_to_table(hwdev), size, dma_handle,
+			device_to_mask(hwdev), flag,
+			pcibus_to_node(to_pci_dev(hwdev)->bus));
 }
 
 static void pci_iommu_free_coherent(struct device *hwdev, size_t size,
 			 void *vaddr, dma_addr_t dma_handle)
 {
-	iommu_free_coherent(devnode_table(hwdev), size, vaddr, dma_handle);
+	iommu_free_coherent(device_to_table(hwdev), size, vaddr, dma_handle);
 }
 
 /* Creates TCEs for a user provided buffer.  The user buffer must be 
@@ -104,7 +105,7 @@ static void pci_iommu_free_coherent(struct device *hwdev, size_t size,
 static dma_addr_t pci_iommu_map_single(struct device *hwdev, void *vaddr,
 		size_t size, enum dma_data_direction direction)
 {
-	return iommu_map_single(devnode_table(hwdev), vaddr, size,
+	return iommu_map_single(device_to_table(hwdev), vaddr, size,
 			        device_to_mask(hwdev), direction);
 }
 
@@ -112,27 +113,27 @@ static dma_addr_t pci_iommu_map_single(struct device *hwdev, void *vaddr,
 static void pci_iommu_unmap_single(struct device *hwdev, dma_addr_t dma_handle,
 		size_t size, enum dma_data_direction direction)
 {
-	iommu_unmap_single(devnode_table(hwdev), dma_handle, size, direction);
+	iommu_unmap_single(device_to_table(hwdev), dma_handle, size, direction);
 }
 
 
 static int pci_iommu_map_sg(struct device *pdev, struct scatterlist *sglist,
 		int nelems, enum dma_data_direction direction)
 {
-	return iommu_map_sg(pdev, devnode_table(pdev), sglist,
+	return iommu_map_sg(pdev, device_to_table(pdev), sglist,
 			nelems, device_to_mask(pdev), direction);
 }
 
 static void pci_iommu_unmap_sg(struct device *pdev, struct scatterlist *sglist,
 		int nelems, enum dma_data_direction direction)
 {
-	iommu_unmap_sg(devnode_table(pdev), sglist, nelems, direction);
+	iommu_unmap_sg(device_to_table(pdev), sglist, nelems, direction);
 }
 
 /* We support DMA to/from any memory page via the iommu */
 static int pci_iommu_dma_supported(struct device *dev, u64 mask)
 {
-	struct iommu_table *tbl = devnode_table(dev);
+	struct iommu_table *tbl = device_to_table(dev);
 
 	if (!tbl || tbl->it_offset > mask) {
 		printk(KERN_INFO "Warning: IOMMU table offset too big for device mask\n");
@@ -147,13 +148,17 @@ static int pci_iommu_dma_supported(struct device *dev, u64 mask)
 		return 1;
 }
 
+struct dma_mapping_ops pci_iommu_ops = {
+	.alloc_coherent = pci_iommu_alloc_coherent,
+	.free_coherent = pci_iommu_free_coherent,
+	.map_single = pci_iommu_map_single,
+	.unmap_single = pci_iommu_unmap_single,
+	.map_sg = pci_iommu_map_sg,
+	.unmap_sg = pci_iommu_unmap_sg,
+	.dma_supported = pci_iommu_dma_supported,
+};
+
 void pci_iommu_init(void)
 {
-	pci_dma_ops.alloc_coherent = pci_iommu_alloc_coherent;
-	pci_dma_ops.free_coherent = pci_iommu_free_coherent;
-	pci_dma_ops.map_single = pci_iommu_map_single;
-	pci_dma_ops.unmap_single = pci_iommu_unmap_single;
-	pci_dma_ops.map_sg = pci_iommu_map_sg;
-	pci_dma_ops.unmap_sg = pci_iommu_unmap_sg;
-	pci_dma_ops.dma_supported = pci_iommu_dma_supported;
+	pci_dma_ops = pci_iommu_ops;
 }

arch/powerpc/kernel/proc_ppc64.c

@@ -52,7 +52,7 @@ static int __init proc_ppc64_create(void)
 	if (!root)
 		return 1;
 
-	if (!machine_is(pseries) && !machine_is(cell))
+	if (!of_find_node_by_path("/rtas"))
 		return 0;
 
 	if (!proc_mkdir("rtas", root))

arch/powerpc/kernel/process.c

@@ -708,6 +708,61 @@ int get_fpexc_mode(struct task_struct *tsk, unsigned long adr)
 	return put_user(val, (unsigned int __user *) adr);
 }
 
+int set_endian(struct task_struct *tsk, unsigned int val)
+{
+	struct pt_regs *regs = tsk->thread.regs;
+
+	if ((val == PR_ENDIAN_LITTLE && !cpu_has_feature(CPU_FTR_REAL_LE)) ||
+	    (val == PR_ENDIAN_PPC_LITTLE && !cpu_has_feature(CPU_FTR_PPC_LE)))
+		return -EINVAL;
+
+	if (regs == NULL)
+		return -EINVAL;
+
+	if (val == PR_ENDIAN_BIG)
+		regs->msr &= ~MSR_LE;
+	else if (val == PR_ENDIAN_LITTLE || val == PR_ENDIAN_PPC_LITTLE)
+		regs->msr |= MSR_LE;
+	else
+		return -EINVAL;
+
+	return 0;
+}
+
+int get_endian(struct task_struct *tsk, unsigned long adr)
+{
+	struct pt_regs *regs = tsk->thread.regs;
+	unsigned int val;
+
+	if (!cpu_has_feature(CPU_FTR_PPC_LE) &&
+	    !cpu_has_feature(CPU_FTR_REAL_LE))
+		return -EINVAL;
+
+	if (regs == NULL)
+		return -EINVAL;
+
+	if (regs->msr & MSR_LE) {
+		if (cpu_has_feature(CPU_FTR_REAL_LE))
+			val = PR_ENDIAN_LITTLE;
+		else
+			val = PR_ENDIAN_PPC_LITTLE;
+	} else
+		val = PR_ENDIAN_BIG;
+
+	return put_user(val, (unsigned int __user *)adr);
+}
+
+int set_unalign_ctl(struct task_struct *tsk, unsigned int val)
+{
+	tsk->thread.align_ctl = val;
+	return 0;
+}
+
+int get_unalign_ctl(struct task_struct *tsk, unsigned long adr)
+{
+	return put_user(tsk->thread.align_ctl, (unsigned int __user *)adr);
+}
+
 #define TRUNC_PTR(x)	((typeof(x))(((unsigned long)(x)) & 0xffffffff))
 
 int sys_clone(unsigned long clone_flags, unsigned long usp,

arch/powerpc/kernel/prom.c

@@ -50,6 +50,7 @@
 #include <asm/machdep.h>
 #include <asm/pSeries_reconfig.h>
 #include <asm/pci-bridge.h>
+#include <asm/kexec.h>
 
 #ifdef DEBUG
 #define DBG(fmt...) printk(KERN_ERR fmt)
@@ -836,6 +837,42 @@ static unsigned long __init unflatten_dt_node(unsigned long mem,
 	return mem;
 }
 
+static int __init early_parse_mem(char *p)
+{
+	if (!p)
+		return 1;
+
+	memory_limit = PAGE_ALIGN(memparse(p, &p));
+	DBG("memory limit = 0x%lx\n", memory_limit);
+
+	return 0;
+}
+early_param("mem", early_parse_mem);
+
+/*
+ * The device tree may be allocated below our memory limit, or inside the
+ * crash kernel region for kdump. If so, move it out now.
+ */
+static void move_device_tree(void)
+{
+	unsigned long start, size;
+	void *p;
+
+	DBG("-> move_device_tree\n");
+
+	start = __pa(initial_boot_params);
+	size = initial_boot_params->totalsize;
+
+	if ((memory_limit && (start + size) > memory_limit) ||
+			overlaps_crashkernel(start, size)) {
+		p = __va(lmb_alloc_base(size, PAGE_SIZE, lmb.rmo_size));
+		memcpy(p, initial_boot_params, size);
+		initial_boot_params = (struct boot_param_header *)p;
+		DBG("Moved device tree to 0x%p\n", p);
+	}
+
+	DBG("<- move_device_tree\n");
+}
 
 /**
  * unflattens the device-tree passed by the firmware, creating the
@@ -911,7 +948,10 @@ static struct ibm_pa_feature {
 	{CPU_FTR_CTRL, 0,		0, 3, 0},
 	{CPU_FTR_NOEXECUTE, 0,		0, 6, 0},
 	{CPU_FTR_NODSISRALIGN, 0,	1, 1, 1},
+#if 0
+	/* put this back once we know how to test if firmware does 64k IO */
 	{CPU_FTR_CI_LARGE_PAGE, 0,	1, 2, 0},
+#endif
 };
 
 static void __init check_cpu_pa_features(unsigned long node)
@@ -1070,6 +1110,7 @@ static int __init early_init_dt_scan_chosen(unsigned long node,
 		iommu_force_on = 1;
 #endif
 
+	/* mem=x on the command line is the preferred mechanism */
  	lprop = of_get_flat_dt_prop(node, "linux,memory-limit", NULL);
  	if (lprop)
  		memory_limit = *lprop;
@@ -1123,17 +1164,6 @@ static int __init early_init_dt_scan_chosen(unsigned long node,
 
 	DBG("Command line is: %s\n", cmd_line);
 
-	if (strstr(cmd_line, "mem=")) {
-		char *p, *q;
-
-		for (q = cmd_line; (p = strstr(q, "mem=")) != 0; ) {
-			q = p + 4;
-			if (p > cmd_line && p[-1] != ' ')
-				continue;
-			memory_limit = memparse(q, &q);
-		}
-	}
-
 	/* break now */
 	return 1;
 }
@@ -1237,9 +1267,17 @@ static void __init early_reserve_mem(void)
 {
 	u64 base, size;
 	u64 *reserve_map;
+	unsigned long self_base;
+	unsigned long self_size;
 
 	reserve_map = (u64 *)(((unsigned long)initial_boot_params) +
 					initial_boot_params->off_mem_rsvmap);
+
+	/* before we do anything, lets reserve the dt blob */
+	self_base = __pa((unsigned long)initial_boot_params);
+	self_size = initial_boot_params->totalsize;
+	lmb_reserve(self_base, self_size);
+
 #ifdef CONFIG_PPC32
 	/* 
 	 * Handle the case where we might be booting from an old kexec
@@ -1254,6 +1292,9 @@ static void __init early_reserve_mem(void)
 			size_32 = *(reserve_map_32++);
 			if (size_32 == 0)
 				break;
+			/* skip if the reservation is for the blob */
+			if (base_32 == self_base && size_32 == self_size)
+				continue;
 			DBG("reserving: %x -> %x\n", base_32, size_32);
 			lmb_reserve(base_32, size_32);
 		}
@@ -1265,6 +1306,9 @@ static void __init early_reserve_mem(void)
 		size = *(reserve_map++);
 		if (size == 0)
 			break;
+		/* skip if the reservation is for the blob */
+		if (base == self_base && size == self_size)
+			continue;
 		DBG("reserving: %llx -> %llx\n", base, size);
 		lmb_reserve(base, size);
 	}
@@ -1292,18 +1336,26 @@ void __init early_init_devtree(void *params)
 	lmb_init();
 	of_scan_flat_dt(early_init_dt_scan_root, NULL);
 	of_scan_flat_dt(early_init_dt_scan_memory, NULL);
-	lmb_enforce_memory_limit(memory_limit);
-	lmb_analyze();
 
-	DBG("Phys. mem: %lx\n", lmb_phys_mem_size());
+	/* Save command line for /proc/cmdline and then parse parameters */
+	strlcpy(saved_command_line, cmd_line, COMMAND_LINE_SIZE);
+	parse_early_param();
 
 	/* Reserve LMB regions used by kernel, initrd, dt, etc... */
 	lmb_reserve(PHYSICAL_START, __pa(klimit) - PHYSICAL_START);
-#ifdef CONFIG_CRASH_DUMP
-	lmb_reserve(0, KDUMP_RESERVE_LIMIT);
-#endif
+	reserve_kdump_trampoline();
+	reserve_crashkernel();
 	early_reserve_mem();
 
+	lmb_enforce_memory_limit(memory_limit);
+	lmb_analyze();
+
+	DBG("Phys. mem: %lx\n", lmb_phys_mem_size());
+
+	/* We may need to relocate the flat tree, do it now.
+	 * FIXME .. and the initrd too? */
+	move_device_tree();
+
 	DBG("Scanning CPUs ...\n");
 
 	/* Retreive CPU related informations from the flat tree
@@ -2053,29 +2105,46 @@ int prom_update_property(struct device_node *np,
 	return 0;
 }
 
-#ifdef CONFIG_KEXEC
-/* We may have allocated the flat device tree inside the crash kernel region
- * in prom_init. If so we need to move it out into regular memory. */
-void kdump_move_device_tree(void)
-{
-	unsigned long start, end;
-	struct boot_param_header *new;
-
-	start = __pa((unsigned long)initial_boot_params);
-	end = start + initial_boot_params->totalsize;
-
-	if (end < crashk_res.start || start > crashk_res.end)
-		return;
 
-	new = (struct boot_param_header*)
-		__va(lmb_alloc(initial_boot_params->totalsize, PAGE_SIZE));
-
-	memcpy(new, initial_boot_params, initial_boot_params->totalsize);
+/* Find the device node for a given logical cpu number, also returns the cpu
+ * local thread number (index in ibm,interrupt-server#s) if relevant and
+ * asked for (non NULL)
+ */
+struct device_node *of_get_cpu_node(int cpu, unsigned int *thread)
+{
+	int hardid;
+	struct device_node *np;
 
-	initial_boot_params = new;
+	hardid = get_hard_smp_processor_id(cpu);
 
-	DBG("Flat device tree blob moved to %p\n", initial_boot_params);
+	for_each_node_by_type(np, "cpu") {
+		u32 *intserv;
+		unsigned int plen, t;
 
-	/* XXX should we unreserve the old DT? */
+		/* Check for ibm,ppc-interrupt-server#s. If it doesn't exist
+		 * fallback to "reg" property and assume no threads
+		 */
+		intserv = (u32 *)get_property(np, "ibm,ppc-interrupt-server#s",
+					      &plen);
+		if (intserv == NULL) {
+			u32 *reg = (u32 *)get_property(np, "reg", NULL);
+			if (reg == NULL)
+				continue;
+			if (*reg == hardid) {
+				if (thread)
+					*thread = 0;
+				return np;
+			}
+		} else {
+			plen /= sizeof(u32);
+			for (t = 0; t < plen; t++) {
+				if (hardid == intserv[t]) {
+					if (thread)
+						*thread = t;
+					return np;
+				}
+			}
+		}
+	}
+	return NULL;
 }
-#endif /* CONFIG_KEXEC */

arch/powerpc/kernel/prom_init.c

@@ -194,19 +194,12 @@ static int __initdata of_platform;
 
 static char __initdata prom_cmd_line[COMMAND_LINE_SIZE];
 
-static unsigned long __initdata prom_memory_limit;
-
 static unsigned long __initdata alloc_top;
 static unsigned long __initdata alloc_top_high;
 static unsigned long __initdata alloc_bottom;
 static unsigned long __initdata rmo_top;
 static unsigned long __initdata ram_top;
 
-#ifdef CONFIG_KEXEC
-static unsigned long __initdata prom_crashk_base;
-static unsigned long __initdata prom_crashk_size;
-#endif
-
 static struct mem_map_entry __initdata mem_reserve_map[MEM_RESERVE_MAP_SIZE];
 static int __initdata mem_reserve_cnt;
 
@@ -574,7 +567,7 @@ static void __init early_cmdline_parse(void)
 	if ((long)_prom->chosen > 0)
 		l = prom_getprop(_prom->chosen, "bootargs", p, COMMAND_LINE_SIZE-1);
 #ifdef CONFIG_CMDLINE
-	if (l == 0) /* dbl check */
+	if (l <= 0 || p[0] == '\0') /* dbl check */
 		strlcpy(RELOC(prom_cmd_line),
 			RELOC(CONFIG_CMDLINE), sizeof(prom_cmd_line));
 #endif /* CONFIG_CMDLINE */
@@ -593,45 +586,6 @@ static void __init early_cmdline_parse(void)
 			RELOC(iommu_force_on) = 1;
 	}
 #endif
-
-	opt = strstr(RELOC(prom_cmd_line), RELOC("mem="));
-	if (opt) {
-		opt += 4;
-		RELOC(prom_memory_limit) = prom_memparse(opt, (const char **)&opt);
-#ifdef CONFIG_PPC64
-		/* Align to 16 MB == size of ppc64 large page */
-		RELOC(prom_memory_limit) = ALIGN(RELOC(prom_memory_limit), 0x1000000);
-#endif
-	}
-
-#ifdef CONFIG_KEXEC
-	/*
-	 * crashkernel=size@addr specifies the location to reserve for
-	 * crash kernel.
-	 */
-	opt = strstr(RELOC(prom_cmd_line), RELOC("crashkernel="));
-	if (opt) {
-		opt += 12;
-		RELOC(prom_crashk_size) = 
-			prom_memparse(opt, (const char **)&opt);
-
-		if (ALIGN(RELOC(prom_crashk_size), 0x1000000) !=
-			RELOC(prom_crashk_size)) {
-			prom_printf("Warning: crashkernel size is not "
-					"aligned to 16MB\n");
-		}
-
-		/*
-		 * At present, the crash kernel always run at 32MB.
-		 * Just ignore whatever user passed.
-		 */
-		RELOC(prom_crashk_base) = 0x2000000;
-		if (*opt == '@') {
-			prom_printf("Warning: PPC64 kdump kernel always runs "
-					"at 32 MB\n");
-		}
-	}
-#endif
 }
 
 #ifdef CONFIG_PPC_PSERIES
@@ -1115,29 +1069,6 @@ static void __init prom_init_mem(void)
 			RELOC(alloc_bottom) = PAGE_ALIGN(RELOC(prom_initrd_end));
 	}
 
-	/*
-	 * If prom_memory_limit is set we reduce the upper limits *except* for
-	 * alloc_top_high. This must be the real top of RAM so we can put
-	 * TCE's up there.
-	 */
-
-	RELOC(alloc_top_high) = RELOC(ram_top);
-
-	if (RELOC(prom_memory_limit)) {
-		if (RELOC(prom_memory_limit) <= RELOC(alloc_bottom)) {
-			prom_printf("Ignoring mem=%x <= alloc_bottom.\n",
-				RELOC(prom_memory_limit));
-			RELOC(prom_memory_limit) = 0;
-		} else if (RELOC(prom_memory_limit) >= RELOC(ram_top)) {
-			prom_printf("Ignoring mem=%x >= ram_top.\n",
-				RELOC(prom_memory_limit));
-			RELOC(prom_memory_limit) = 0;
-		} else {
-			RELOC(ram_top) = RELOC(prom_memory_limit);
-			RELOC(rmo_top) = min(RELOC(rmo_top), RELOC(prom_memory_limit));
-		}
-	}
-
 	/*
 	 * Setup our top alloc point, that is top of RMO or top of
 	 * segment 0 when running non-LPAR.
@@ -1150,20 +1081,14 @@ static void __init prom_init_mem(void)
 		RELOC(rmo_top) = RELOC(ram_top);
 	RELOC(rmo_top) = min(0x30000000ul, RELOC(rmo_top));
 	RELOC(alloc_top) = RELOC(rmo_top);
+	RELOC(alloc_top_high) = RELOC(ram_top);
 
 	prom_printf("memory layout at init:\n");
-	prom_printf("  memory_limit : %x (16 MB aligned)\n", RELOC(prom_memory_limit));
 	prom_printf("  alloc_bottom : %x\n", RELOC(alloc_bottom));
 	prom_printf("  alloc_top    : %x\n", RELOC(alloc_top));
 	prom_printf("  alloc_top_hi : %x\n", RELOC(alloc_top_high));
 	prom_printf("  rmo_top      : %x\n", RELOC(rmo_top));
 	prom_printf("  ram_top      : %x\n", RELOC(ram_top));
-#ifdef CONFIG_KEXEC
-	if (RELOC(prom_crashk_base)) {
-		prom_printf("  crashk_base  : %x\n",  RELOC(prom_crashk_base));
-		prom_printf("  crashk_size  : %x\n", RELOC(prom_crashk_size));
-	}
-#endif
 }
 
 
@@ -1349,16 +1274,10 @@ static void __init prom_initialize_tce_table(void)
 
 	reserve_mem(local_alloc_bottom, local_alloc_top - local_alloc_bottom);
 
-	if (RELOC(prom_memory_limit)) {
-		/*
-		 * We align the start to a 16MB boundary so we can map
-		 * the TCE area using large pages if possible.
-		 * The end should be the top of RAM so no need to align it.
-		 */
-		RELOC(prom_tce_alloc_start) = _ALIGN_DOWN(local_alloc_bottom,
-							  0x1000000);
+	/* These are only really needed if there is a memory limit in
+	 * effect, but we don't know so export them always. */
+	RELOC(prom_tce_alloc_start) = local_alloc_bottom;
 	RELOC(prom_tce_alloc_end) = local_alloc_top;
-	}
 
 	/* Flag the first invalid entry */
 	prom_debug("ending prom_initialize_tce_table\n");
@@ -2041,11 +1960,7 @@ static void __init flatten_device_tree(void)
 	/* Version 16 is not backward compatible */
 	hdr->last_comp_version = 0x10;
 
-	/* Reserve the whole thing and copy the reserve map in, we
-	 * also bump mem_reserve_cnt to cause further reservations to
-	 * fail since it's too late.
-	 */
-	reserve_mem(RELOC(dt_header_start), hdr->totalsize);
+	/* Copy the reserve map in */
 	memcpy(rsvmap, RELOC(mem_reserve_map), sizeof(mem_reserve_map));
 
 #ifdef DEBUG_PROM
@@ -2058,6 +1973,9 @@ static void __init flatten_device_tree(void)
 				    RELOC(mem_reserve_map)[i].size);
 	}
 #endif
+	/* Bump mem_reserve_cnt to cause further reservations to fail
+	 * since it's too late.
+	 */
 	RELOC(mem_reserve_cnt) = MEM_RESERVE_MAP_SIZE;
 
 	prom_printf("Device tree strings 0x%x -> 0x%x\n",
@@ -2280,10 +2198,6 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4,
 	 */
 	prom_init_mem();
 
-#ifdef CONFIG_KEXEC
-	if (RELOC(prom_crashk_base))
-		reserve_mem(RELOC(prom_crashk_base), RELOC(prom_crashk_size));
-#endif
 	/*
 	 * Determine which cpu is actually running right _now_
 	 */
@@ -2317,10 +2231,6 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4,
 	/*
 	 * Fill in some infos for use by the kernel later on
 	 */
-	if (RELOC(prom_memory_limit))
-		prom_setprop(_prom->chosen, "/chosen", "linux,memory-limit",
-			     &RELOC(prom_memory_limit),
-			     sizeof(prom_memory_limit));
 #ifdef CONFIG_PPC64
 	if (RELOC(ppc64_iommu_off))
 		prom_setprop(_prom->chosen, "/chosen", "linux,iommu-off",
@@ -2340,16 +2250,6 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4,
 	}
 #endif
 
-#ifdef CONFIG_KEXEC
-	if (RELOC(prom_crashk_base)) {
-		prom_setprop(_prom->chosen, "/chosen", "linux,crashkernel-base",
-			PTRRELOC(&prom_crashk_base),
-			sizeof(RELOC(prom_crashk_base)));
-		prom_setprop(_prom->chosen, "/chosen", "linux,crashkernel-size",
-			PTRRELOC(&prom_crashk_size),
-			sizeof(RELOC(prom_crashk_size)));
-	}
-#endif
 	/*
 	 * Fixup any known bugs in the device-tree
 	 */

arch/powerpc/kernel/prom_parse.c

@@ -548,3 +548,28 @@ int of_pci_address_to_resource(struct device_node *dev, int bar,
 	return __of_address_to_resource(dev, addrp, size, flags, r);
 }
 EXPORT_SYMBOL_GPL(of_pci_address_to_resource);
+
+void of_parse_dma_window(struct device_node *dn, unsigned char *dma_window_prop,
+		unsigned long *busno, unsigned long *phys, unsigned long *size)
+{
+	u32 *dma_window, cells;
+	unsigned char *prop;
+
+	dma_window = (u32 *)dma_window_prop;
+
+	/* busno is always one cell */
+	*busno = *(dma_window++);
+
+	prop = get_property(dn, "ibm,#dma-address-cells", NULL);
+	if (!prop)
+		prop = get_property(dn, "#address-cells", NULL);
+
+	cells = prop ? *(u32 *)prop : prom_n_addr_cells(dn);
+	*phys = of_read_addr(dma_window, cells);
+
+	dma_window += cells;
+
+	prop = get_property(dn, "ibm,#dma-size-cells", NULL);
+	cells = prop ? *(u32 *)prop : prom_n_size_cells(dn);
+	*size = of_read_addr(dma_window, cells);
+}

arch/powerpc/kernel/ptrace.c

@@ -404,7 +404,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		ret = ptrace_detach(child, data);
 		break;
 
-#ifdef CONFIG_PPC64
 	case PPC_PTRACE_GETREGS: { /* Get GPRs 0 - 31. */
 		int i;
 		unsigned long *reg = &((unsigned long *)child->thread.regs)[0];
@@ -468,7 +467,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		}
 		break;
 	}
-#endif /* CONFIG_PPC64 */
 
 #ifdef CONFIG_ALTIVEC
 	case PTRACE_GETVRREGS:

arch/powerpc/kernel/rtas_pci.c

@@ -313,7 +313,9 @@ unsigned long __init find_and_init_phbs(void)
 	for (node = of_get_next_child(root, NULL);
 	     node != NULL;
 	     node = of_get_next_child(root, node)) {
-		if (node->type == NULL || strcmp(node->type, "pci") != 0)
+
+		if (node->type == NULL || (strcmp(node->type, "pci") != 0 &&
+					   strcmp(node->type, "pciex") != 0))
 			continue;
 
 		phb = pcibios_alloc_controller(node);

arch/powerpc/kernel/setup-common.c

@@ -443,6 +443,7 @@ void __init smp_setup_cpu_maps(void)
 }
 #endif /* CONFIG_SMP */
 
+int __initdata do_early_xmon;
 #ifdef CONFIG_XMON
 static int __init early_xmon(char *p)
 {
@@ -456,7 +457,7 @@ static int __init early_xmon(char *p)
 			return 0;
 	}
 	xmon_init(1);
-	debugger(NULL);
+	do_early_xmon = 1;
 
 	return 0;
 }
@@ -524,3 +525,20 @@ int check_legacy_ioport(unsigned long base_port)
 	return ppc_md.check_legacy_ioport(base_port);
 }
 EXPORT_SYMBOL(check_legacy_ioport);
+
+static int ppc_panic_event(struct notifier_block *this,
+                             unsigned long event, void *ptr)
+{
+	ppc_md.panic(ptr);  /* May not return */
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block ppc_panic_block = {
+	.notifier_call = ppc_panic_event,
+	.priority = INT_MIN /* may not return; must be done last */
+};
+
+void __init setup_panic(void)
+{
+	atomic_notifier_chain_register(&panic_notifier_list, &ppc_panic_block);
+}