Merge branch 'master'

16 files changed, 353 insertions, 25 deletions

diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h
index c019501daceb..79a0556a0ab8 100644
--- a/include/asm-powerpc/cputable.h
+++ b/include/asm-powerpc/cputable.h
@@ -101,6 +101,7 @@ extern void do_cpu_ftr_fixups(unsigned long offset);
 #define CPU_FTR_COHERENT_ICACHE         ASM_CONST(0x0000020000000000)
 #define CPU_FTR_LOCKLESS_TLBIE          ASM_CONST(0x0000040000000000)
 #define CPU_FTR_MMCRA_SIHV              ASM_CONST(0x0000080000000000)
+#define CPU_FTR_CI_LARGE_PAGE           ASM_CONST(0x0000100000000000)
 #else
 /* ensure on 32b processors the flags are available for compiling but
  * don't do anything */
@@ -116,6 +117,7 @@ extern void do_cpu_ftr_fixups(unsigned long offset);
 #define CPU_FTR_COHERENT_ICACHE         ASM_CONST(0x0)
 #define CPU_FTR_LOCKLESS_TLBIE          ASM_CONST(0x0)
 #define CPU_FTR_MMCRA_SIHV              ASM_CONST(0x0)
+#define CPU_FTR_CI_LARGE_PAGE           ASM_CONST(0x0)
 #endif
 
 #ifndef __ASSEMBLY__
@@ -339,6 +341,7 @@ enum {
 #ifdef __powerpc64__
             CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 |
             CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_CELL |
+            CPU_FTR_CI_LARGE_PAGE |
 #endif
             0,
 
diff --git a/include/asm-powerpc/elf.h b/include/asm-powerpc/elf.h
index d140577d0a05..feac3458d71f 100644
--- a/include/asm-powerpc/elf.h
+++ b/include/asm-powerpc/elf.h
@@ -1,11 +1,13 @@
 #ifndef _ASM_POWERPC_ELF_H
 #define _ASM_POWERPC_ELF_H
 
+#include <linux/sched.h>        /* for task_struct */
 #include <asm/types.h>
 #include <asm/ptrace.h>
 #include <asm/cputable.h>
 #include <asm/auxvec.h>
 #include <asm/page.h>
+#include <asm/string.h>
 
 /* PowerPC relocations defined by the ABIs */
 #define R_PPC_NONE              0
diff --git a/include/asm-powerpc/ide.h b/include/asm-powerpc/ide.h
new file mode 100644
index 000000000000..da5f640480cf
--- /dev/null
+++ b/include/asm-powerpc/ide.h
@@ -0,0 +1,83 @@
+/*
+ *  Copyright (C) 1994-1996 Linus Torvalds & authors
+ *
+ *  This file contains the powerpc architecture specific IDE code.
+ */
+#ifndef _ASM_POWERPC_IDE_H
+#define _ASM_POWERPC_IDE_H
+
+#ifdef __KERNEL__
+
+#ifndef __powerpc64__
+#include <linux/sched.h>
+#include <asm/mpc8xx.h>
+#endif
+
+#ifndef MAX_HWIFS
+#ifdef __powerpc64__
+#define MAX_HWIFS       10
+#else
+#define MAX_HWIFS       8
+#endif
+#endif
+
+#ifndef  __powerpc64__
+#include <linux/config.h>
+#include <linux/hdreg.h>
+#include <linux/ioport.h>
+#include <asm/io.h>
+
+extern void __ide_mm_insw(void __iomem *port, void *addr, u32 count);
+extern void __ide_mm_outsw(void __iomem *port, void *addr, u32 count);
+extern void __ide_mm_insl(void __iomem *port, void *addr, u32 count);
+extern void __ide_mm_outsl(void __iomem *port, void *addr, u32 count);
+
+struct ide_machdep_calls {
+        int         (*default_irq)(unsigned long base);
+        unsigned long (*default_io_base)(int index);
+        void        (*ide_init_hwif)(hw_regs_t *hw,
+                                     unsigned long data_port,
+                                     unsigned long ctrl_port,
+                                     int *irq);
+};
+
+extern struct ide_machdep_calls ppc_ide_md;
+
+#undef  SUPPORT_SLOW_DATA_PORTS
+#define SUPPORT_SLOW_DATA_PORTS 0
+
+#define IDE_ARCH_OBSOLETE_DEFAULTS
+
+static __inline__ int ide_default_irq(unsigned long base)
+{
+        if (ppc_ide_md.default_irq)
+                return ppc_ide_md.default_irq(base);
+        return 0;
+}
+
+static __inline__ unsigned long ide_default_io_base(int index)
+{
+        if (ppc_ide_md.default_io_base)
+                return ppc_ide_md.default_io_base(index);
+        return 0;
+}
+
+#ifdef CONFIG_PCI
+#define ide_init_default_irq(base)      (0)
+#else
+#define ide_init_default_irq(base)      ide_default_irq(base)
+#endif
+
+#if (defined CONFIG_APUS || defined CONFIG_BLK_DEV_MPC8xx_IDE )
+#define IDE_ARCH_ACK_INTR  1
+#define ide_ack_intr(hwif) (hwif->hw.ack_intr ? hwif->hw.ack_intr(hwif) : 1)
+#endif
+
+#endif /* __powerpc64__ */
+
+#define IDE_ARCH_OBSOLETE_INIT
+#define ide_default_io_ctl(base)        ((base) + 0x206) /* obsolete */
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_POWERPC_IDE_H */
diff --git a/include/asm-powerpc/iommu.h b/include/asm-powerpc/iommu.h
index 9d91bdd667ae..6a35e6570ccd 100644
--- a/include/asm-powerpc/iommu.h
+++ b/include/asm-powerpc/iommu.h
@@ -74,6 +74,11 @@ extern void iommu_devnode_init_pSeries(struct device_node *dn);
 
 /* Creates table for an individual device node */
 extern void iommu_devnode_init_iSeries(struct device_node *dn);
+/* Get table parameters from HV */
+extern void iommu_table_getparms_iSeries(unsigned long busno,
+                                         unsigned char slotno,
+                                         unsigned char virtbus,
+                                         struct iommu_table* tbl);
 
 #endif /* CONFIG_PPC_ISERIES */
 
diff --git a/include/asm-powerpc/kprobes.h b/include/asm-powerpc/kprobes.h
index b2f09f17fbe0..6cd0a3bfa280 100644
--- a/include/asm-powerpc/kprobes.h
+++ b/include/asm-powerpc/kprobes.h
@@ -27,6 +27,7 @@
  */
 #include <linux/types.h>
 #include <linux/ptrace.h>
+#include <linux/percpu.h>
 
 struct pt_regs;
 
@@ -53,6 +54,20 @@ struct arch_specific_insn {
         kprobe_opcode_t *insn;
 };
 
+struct prev_kprobe {
+        struct kprobe *kp;
+        unsigned long status;
+        unsigned long saved_msr;
+};
+
+/* per-cpu kprobe control block */
+struct kprobe_ctlblk {
+        unsigned long kprobe_status;
+        unsigned long kprobe_saved_msr;
+        struct pt_regs jprobe_saved_regs;
+        struct prev_kprobe prev_kprobe;
+};
+
 #ifdef CONFIG_KPROBES
 extern int kprobe_exceptions_notify(struct notifier_block *self,
                                     unsigned long val, void *data);
diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h
index 629ca964b974..5670f0cd6143 100644
--- a/include/asm-powerpc/machdep.h
+++ b/include/asm-powerpc/machdep.h
@@ -47,20 +47,22 @@ struct machdep_calls {
 #ifdef CONFIG_PPC64
         void            (*hpte_invalidate)(unsigned long slot,
                                            unsigned long va,
-                                           int large,
+                                           int psize,
                                            int local);
         long            (*hpte_updatepp)(unsigned long slot, 
                                          unsigned long newpp, 
                                          unsigned long va,
-                                         int large,
+                                         int pize,
                                          int local);
         void            (*hpte_updateboltedpp)(unsigned long newpp, 
-                                               unsigned long ea);
+                                               unsigned long ea,
+                                               int psize);
         long            (*hpte_insert)(unsigned long hpte_group,
                                        unsigned long va,
                                        unsigned long prpn,
+                                       unsigned long rflags,
                                        unsigned long vflags,
-                                       unsigned long rflags);
+                                       int psize);
         long            (*hpte_remove)(unsigned long hpte_group);
         void            (*flush_hash_range)(unsigned long number, int local);
 
@@ -80,7 +82,6 @@ struct machdep_calls {
         void            (*iommu_dev_setup)(struct pci_dev *dev);
         void            (*iommu_bus_setup)(struct pci_bus *bus);
         void            (*irq_bus_setup)(struct pci_bus *bus);
-        int             (*set_dabr)(unsigned long dabr);
 #endif
 
         int             (*probe)(int platform);
@@ -156,6 +157,9 @@ struct machdep_calls {
            platform, called once per cpu. */
         void            (*enable_pmcs)(void);
 
+        /* Set DABR for this platform, leave empty for default implemenation */
+        int             (*set_dabr)(unsigned long dabr);
+
 #ifdef CONFIG_PPC32     /* XXX for now */
         /* A general init function, called by ppc_init in init/main.c.
            May be NULL. */
diff --git a/include/asm-powerpc/pmc.h b/include/asm-powerpc/pmc.h
index 2f3c3fc2b796..5f41f3a2b293 100644
--- a/include/asm-powerpc/pmc.h
+++ b/include/asm-powerpc/pmc.h
@@ -22,6 +22,7 @@
 #include <asm/ptrace.h>
 
 typedef void (*perf_irq_t)(struct pt_regs *);
+extern perf_irq_t perf_irq;
 
 int reserve_pmc_hardware(perf_irq_t new_perf_irq);
 void release_pmc_hardware(void);
diff --git a/include/asm-powerpc/ppc-pci.h b/include/asm-powerpc/ppc-pci.h
index a88728fba8f6..13aacff755f3 100644
--- a/include/asm-powerpc/ppc-pci.h
+++ b/include/asm-powerpc/ppc-pci.h
@@ -34,6 +34,7 @@ void *traverse_pci_devices(struct device_node *start, traverse_func pre,
 
 void pci_devs_phb_init(void);
 void pci_devs_phb_init_dynamic(struct pci_controller *phb);
+void __devinit scan_phb(struct pci_controller *hose);
 
 /* PCI address cache management routines */
 void pci_addr_cache_insert_device(struct pci_dev *dev);
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index 3a0104fa0462..f999df1c5c90 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -178,6 +178,14 @@ extern struct device_node *of_get_next_child(const struct device_node *node,
 extern struct device_node *of_node_get(struct device_node *node);
 extern void of_node_put(struct device_node *node);
 
+/* For scanning the flat device-tree at boot time */
+int __init of_scan_flat_dt(int (*it)(unsigned long node,
+                                     const char *uname, int depth,
+                                     void *data),
+                           void *data);
+void* __init of_get_flat_dt_prop(unsigned long node, const char *name,
+                                 unsigned long *size);
+
 /* For updating the device tree at runtime */
 extern void of_attach_node(struct device_node *);
 extern void of_detach_node(const struct device_node *);
@@ -195,7 +203,7 @@ extern int prom_n_addr_cells(struct device_node* np);
 extern int prom_n_size_cells(struct device_node* np);
 extern int prom_n_intr_cells(struct device_node* np);
 extern void prom_get_irq_senses(unsigned char *senses, int off, int max);
-extern void prom_add_property(struct device_node* np, struct property* prop);
+extern int prom_add_property(struct device_node* np, struct property* prop);
 
 #ifdef CONFIG_PPC32
 /*
diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h
index da848412f11b..489cf4c99c21 100644
--- a/include/asm-powerpc/reg.h
+++ b/include/asm-powerpc/reg.h
@@ -396,6 +396,9 @@
 #define SPRN_VRSAVE     0x100   /* Vector Register Save Register */
 #define SPRN_XER        0x001   /* Fixed Point Exception Register */
 
+#define SPRN_SCOMC      0x114   /* SCOM Access Control */
+#define SPRN_SCOMD      0x115   /* SCOM Access DATA */
+
 /* Performance monitor SPRs */
 #ifdef CONFIG_PPC64
 #define SPRN_MMCR0      795
@@ -594,7 +597,11 @@ static inline void ppc64_runlatch_off(void)
                 mtspr(SPRN_CTRLT, ctrl);
         }
 }
-#endif
+
+extern unsigned long scom970_read(unsigned int address);
+extern void scom970_write(unsigned int address, unsigned long value);
+
+#endif /* CONFIG_PPC64 */
 
 #define __get_SP()      ({unsigned long sp; \
                         asm volatile("mr %0,1": "=r" (sp)); sp;})
diff --git a/include/asm-powerpc/smp.h b/include/asm-powerpc/smp.h
index 8bcdd0faefea..98581e5a8279 100644
--- a/include/asm-powerpc/smp.h
+++ b/include/asm-powerpc/smp.h
@@ -86,7 +86,6 @@ extern void __cpu_die(unsigned int cpu);
 #else
 /* for UP */
 #define smp_setup_cpu_maps()
-#define smp_release_cpus()
 
 #endif /* CONFIG_SMP */
 
@@ -94,6 +93,9 @@ extern void __cpu_die(unsigned int cpu);
 #define get_hard_smp_processor_id(CPU) (paca[(CPU)].hw_cpu_id)
 #define set_hard_smp_processor_id(CPU, VAL) \
         do { (paca[(CPU)].hw_cpu_id = (VAL)); } while (0)
+
+extern void smp_release_cpus(void);
+
 #else
 /* 32-bit */
 #ifndef CONFIG_SMP
diff --git a/include/asm-powerpc/smu.h b/include/asm-powerpc/smu.h
index dee8eefe47bc..76c29a9784dd 100644
--- a/include/asm-powerpc/smu.h
+++ b/include/asm-powerpc/smu.h
@@ -20,16 +20,52 @@
 /*
  * Partition info commands
  *
- * I do not know what those are for at this point
+ * These commands are used to retreive the sdb-partition-XX datas from
+ * the SMU. The lenght is always 2. First byte is the subcommand code
+ * and second byte is the partition ID.
+ *
+ * The reply is 6 bytes:
+ *
+ *  - 0..1 : partition address
+ *  - 2    : a byte containing the partition ID
+ *  - 3    : length (maybe other bits are rest of header ?)
+ *
+ * The data must then be obtained with calls to another command:
+ * SMU_CMD_MISC_ee_GET_DATABLOCK_REC (described below).
  */
 #define SMU_CMD_PARTITION_COMMAND               0x3e
+#define   SMU_CMD_PARTITION_LATEST              0x01
+#define   SMU_CMD_PARTITION_BASE                0x02
+#define   SMU_CMD_PARTITION_UPDATE              0x03
 
 
 /*
  * Fan control
  *
- * This is a "mux" for fan control commands, first byte is the
- * "sub" command.
+ * This is a "mux" for fan control commands. The command seem to
+ * act differently based on the number of arguments. With 1 byte
+ * of argument, this seem to be queries for fans status, setpoint,
+ * etc..., while with 0xe arguments, we will set the fans speeds.
+ *
+ * Queries (1 byte arg):
+ * ---------------------
+ *
+ * arg=0x01: read RPM fans status
+ * arg=0x02: read RPM fans setpoint
+ * arg=0x11: read PWM fans status
+ * arg=0x12: read PWM fans setpoint
+ *
+ * the "status" queries return the current speed while the "setpoint" ones
+ * return the programmed/target speed. It _seems_ that the result is a bit
+ * mask in the first byte of active/available fans, followed by 6 words (16
+ * bits) containing the requested speed.
+ *
+ * Setpoint (14 bytes arg):
+ * ------------------------
+ *
+ * first arg byte is 0 for RPM fans and 0x10 for PWM. Second arg byte is the
+ * mask of fans affected by the command. Followed by 6 words containing the
+ * setpoint value for selected fans in the mask (or 0 if mask value is 0)
  */
 #define SMU_CMD_FAN_COMMAND                     0x4a
 
@@ -144,7 +180,11 @@
  *  - lenght 8 ("VSLEWxyz") has 3 additional bytes appended, and is
  *    used to set the voltage slewing point. The SMU replies with "DONE"
  * I yet have to figure out their exact meaning of those 3 bytes in
- * both cases.
+ * both cases. They seem to be:
+ *  x = processor mask
+ *  y = op. point index
+ *  z = processor freq. step index
+ * I haven't yet decyphered result codes
  *
  */
 #define SMU_CMD_POWER_COMMAND                   0xaa
@@ -152,6 +192,14 @@
 #define   SMU_CMD_POWER_SHUTDOWN                "SHUTDOWN"
 #define   SMU_CMD_POWER_VOLTAGE_SLEW            "VSLEW"
 
+/*
+ * Read ADC sensors
+ *
+ * This command takes one byte of parameter: the sensor ID (or "reg"
+ * value in the device-tree) and returns a 16 bits value
+ */
+#define SMU_CMD_READ_ADC                        0xd8
+
 /* Misc commands
  *
  * This command seem to be a grab bag of various things
@@ -172,6 +220,25 @@
  * Misc commands
  *
  * This command seem to be a grab bag of various things
+ *
+ * SMU_CMD_MISC_ee_GET_DATABLOCK_REC is used, among others, to
+ * transfer blocks of data from the SMU. So far, I've decrypted it's
+ * usage to retreive partition data. In order to do that, you have to
+ * break your transfer in "chunks" since that command cannot transfer
+ * more than a chunk at a time. The chunk size used by OF is 0xe bytes,
+ * but it seems that the darwin driver will let you do 0x1e bytes if
+ * your "PMU" version is >= 0x30. You can get the "PMU" version apparently
+ * either in the last 16 bits of property "smu-version-pmu" or as the 16
+ * bytes at offset 1 of "smu-version-info"
+ *
+ * For each chunk, the command takes 7 bytes of arguments:
+ *  byte 0: subcommand code (0x02)
+ *  byte 1: 0x04 (always, I don't know what it means, maybe the address
+ *                space to use or some other nicety. It's hard coded in OF)
+ *  byte 2..5: SMU address of the chunk (big endian 32 bits)
+ *  byte 6: size to transfer (up to max chunk size)
+ *
+ * The data is returned directly
  */
 #define SMU_CMD_MISC_ee_COMMAND                 0xee
 #define   SMU_CMD_MISC_ee_GET_DATABLOCK_REC     0x02
@@ -333,6 +400,128 @@ extern int smu_queue_i2c(struct smu_i2c_cmd *cmd);
 
 #endif /* __KERNEL__ */
 
+
+/*
+ * - SMU "sdb" partitions informations -
+ */
+
+
+/*
+ * Partition header format
+ */
+struct smu_sdbp_header {
+        __u8    id;
+        __u8    len;
+        __u8    version;
+        __u8    flags;
+};
+
+
+ /*
+ * demangle 16 and 32 bits integer in some SMU partitions
+ * (currently, afaik, this concerns only the FVT partition
+ * (0x12)
+ */
+#define SMU_U16_MIX(x)  le16_to_cpu(x);
+#define SMU_U32_MIX(x)  ((((x) & 0xff00ff00u) >> 8)|(((x) & 0x00ff00ffu) << 8))
+
+
+/* This is the definition of the SMU sdb-partition-0x12 table (called
+ * CPU F/V/T operating points in Darwin). The definition for all those
+ * SMU tables should be moved to some separate file
+ */
+#define SMU_SDB_FVT_ID                  0x12
+
+struct smu_sdbp_fvt {
+        __u32   sysclk;                 /* Base SysClk frequency in Hz for
+                                         * this operating point. Value need to
+                                         * be unmixed with SMU_U32_MIX()
+                                         */
+        __u8    pad;
+        __u8    maxtemp;                /* Max temp. supported by this
+                                         * operating point
+                                         */
+
+        __u16   volts[3];               /* CPU core voltage for the 3
+                                         * PowerTune modes, a mode with
+                                         * 0V = not supported. Value need
+                                         * to be unmixed with SMU_U16_MIX()
+                                         */
+};
+
+/* This partition contains voltage & current sensor calibration
+ * informations
+ */
+#define SMU_SDB_CPUVCP_ID               0x21
+
+struct smu_sdbp_cpuvcp {
+        __u16   volt_scale;             /* u4.12 fixed point */
+        __s16   volt_offset;            /* s4.12 fixed point */
+        __u16   curr_scale;             /* u4.12 fixed point */
+        __s16   curr_offset;            /* s4.12 fixed point */
+        __s32   power_quads[3];         /* s4.28 fixed point */
+};
+
+/* This partition contains CPU thermal diode calibration
+ */
+#define SMU_SDB_CPUDIODE_ID             0x18
+
+struct smu_sdbp_cpudiode {
+        __u16   m_value;                /* u1.15 fixed point */
+        __s16   b_value;                /* s10.6 fixed point */
+
+};
+
+/* This partition contains Slots power calibration
+ */
+#define SMU_SDB_SLOTSPOW_ID             0x78
+
+struct smu_sdbp_slotspow {
+        __u16   pow_scale;              /* u4.12 fixed point */
+        __s16   pow_offset;             /* s4.12 fixed point */
+};
+
+/* This partition contains machine specific version information about
+ * the sensor/control layout
+ */
+#define SMU_SDB_SENSORTREE_ID           0x25
+
+struct smu_sdbp_sensortree {
+        u8      model_id;
+        u8      unknown[3];
+};
+
+/* This partition contains CPU thermal control PID informations. So far
+ * only single CPU machines have been seen with an SMU, so we assume this
+ * carries only informations for those
+ */
+#define SMU_SDB_CPUPIDDATA_ID           0x17
+
+struct smu_sdbp_cpupiddata {
+        u8      unknown1;
+        u8      target_temp_delta;
+        u8      unknown2;
+        u8      history_len;
+        s16     power_adj;
+        u16     max_power;
+        s32     gp,gr,gd;
+};
+
+
+/* Other partitions without known structures */
+#define SMU_SDB_DEBUG_SWITCHES_ID       0x05
+
+#ifdef __KERNEL__
+/*
+ * This returns the pointer to an SMU "sdb" partition data or NULL
+ * if not found. The data format is described below
+ */
+extern struct smu_sdbp_header *smu_get_sdb_partition(int id,
+                                                     unsigned int *size);
+
+#endif /* __KERNEL__ */
+
+
 /*
  * - Userland interface -
  */
@@ -365,8 +554,10 @@ struct smu_user_cmd_hdr
         __u32           cmdtype;
 #define SMU_CMDTYPE_SMU                 0       /* SMU command */
 #define SMU_CMDTYPE_WANTS_EVENTS        1       /* switch fd to events mode */
+#define SMU_CMDTYPE_GET_PARTITION       2       /* retreive an sdb partition */
 
         __u8            cmd;                    /* SMU command byte */
+        __u8            pad[3];                 /* padding */
         __u32           data_len;               /* Lenght of data following */
 };
 
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index b5da0b851e02..3536a5cd7a2d 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -289,7 +289,7 @@ __cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new)
 
 #ifdef CONFIG_PPC64
 static __inline__ unsigned long
-__cmpxchg_u64(volatile long *p, unsigned long old, unsigned long new)
+__cmpxchg_u64(volatile unsigned long *p, unsigned long old, unsigned long new)
 {
         unsigned long prev;
 
diff --git a/include/asm-powerpc/thread_info.h b/include/asm-powerpc/thread_info.h
index ab17db79f69d..e525f49bd179 100644
--- a/include/asm-powerpc/thread_info.h
+++ b/include/asm-powerpc/thread_info.h
@@ -65,23 +65,27 @@ struct thread_info {
 
 /* thread information allocation */
 
-#ifdef CONFIG_DEBUG_STACK_USAGE
-#define THREAD_INFO_GFP         GFP_KERNEL | __GFP_ZERO
-#else
-#define THREAD_INFO_GFP         GFP_KERNEL
-#endif
-
 #if THREAD_SHIFT >= PAGE_SHIFT
 
 #define THREAD_ORDER    (THREAD_SHIFT - PAGE_SHIFT)
 
+#ifdef CONFIG_DEBUG_STACK_USAGE
 #define alloc_thread_info(tsk)  \
-        ((struct thread_info *)__get_free_pages(THREAD_INFO_GFP, THREAD_ORDER))
+        ((struct thread_info *)__get_free_pages(GFP_KERNEL | \
+                __GFP_ZERO, THREAD_ORDER))
+#else
+#define alloc_thread_info(tsk)  \
+        ((struct thread_info *)__get_free_pages(GFP_KERNEL, THREAD_ORDER))
+#endif
 #define free_thread_info(ti)    free_pages((unsigned long)ti, THREAD_ORDER)
 
 #else /* THREAD_SHIFT < PAGE_SHIFT */
 
-#define alloc_thread_info(tsk)  kmalloc(THREAD_SIZE, THREAD_INFO_GFP)
+#ifdef CONFIG_DEBUG_STACK_USAGE
+#define alloc_thread_info(tsk)  kzalloc(THREAD_SIZE, GFP_KERNEL)
+#else
+#define alloc_thread_info(tsk)  kmalloc(THREAD_SIZE, GFP_KERNEL)
+#endif
 #define free_thread_info(ti)    kfree(ti)
 
 #endif /* THREAD_SHIFT < PAGE_SHIFT */
diff --git a/include/asm-powerpc/tlbflush.h b/include/asm-powerpc/tlbflush.h
index ca3655672bbc..a2998eee37bb 100644
--- a/include/asm-powerpc/tlbflush.h
+++ b/include/asm-powerpc/tlbflush.h
@@ -31,9 +31,9 @@ struct mm_struct;
 struct ppc64_tlb_batch {
         unsigned long index;
         struct mm_struct *mm;
-        pte_t pte[PPC64_TLB_BATCH_NR];
+        real_pte_t pte[PPC64_TLB_BATCH_NR];
         unsigned long vaddr[PPC64_TLB_BATCH_NR];
-        unsigned int large;
+        unsigned int psize;
 };
 DECLARE_PER_CPU(struct ppc64_tlb_batch, ppc64_tlb_batch);
 
@@ -48,8 +48,9 @@ static inline void flush_tlb_pending(void)
         put_cpu_var(ppc64_tlb_batch);
 }
 
-extern void flush_hash_page(unsigned long va, pte_t pte, int local);
-void flush_hash_range(unsigned long number, int local);
+extern void flush_hash_page(unsigned long va, real_pte_t pte, int psize,
+                            int local);
+extern void flush_hash_range(unsigned long number, int local);
 
 #else /* CONFIG_PPC64 */
 
diff --git a/include/asm-powerpc/xmon.h b/include/asm-powerpc/xmon.h
index 43f7129984c7..ace2072d4a83 100644
--- a/include/asm-powerpc/xmon.h
+++ b/include/asm-powerpc/xmon.h
@@ -7,6 +7,7 @@ struct pt_regs;
 extern int xmon(struct pt_regs *excp);
 extern void xmon_printf(const char *fmt, ...);
 extern void xmon_init(int);
+extern void xmon_map_scc(void);
 
 #endif
 #endif