97 files changed, 1251 insertions, 686 deletions
diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c
index 98070370d602..c66129b5dd18 100644
--- a/arch/arm/mach-mxs/mach-mxs.c
+++ b/arch/arm/mach-mxs/mach-mxs.c
@@ -240,7 +240,7 @@ static void __init update_fec_mac_prop(enum mac_oui oui)
                macaddr[4] = (val >> 8) & 0xff;
                macaddr[5] = (val >> 0) & 0xff;
-                prom_update_property(np, newmac);
+                of_update_property(np, newmac);
        }
 }
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 159e94f4b22a..b639852116fa 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -181,7 +181,7 @@ $(BOOT_TARGETS2): vmlinux
 bootwrapper_install:
        $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@)
-%.dtb:
+%.dtb: scripts
        $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@)
 define archhelp
diff --git a/arch/powerpc/boot/dts/a3m071.dts b/arch/powerpc/boot/dts/a3m071.dts
new file mode 100644
index 000000000000..877a28cb77e4
--- /dev/null
+++ b/arch/powerpc/boot/dts/a3m071.dts
@@ -0,0 +1,144 @@
+/*
+ * a3m071 board Device Tree Source
+ *
+ * Copyright 2012 Stefan Roese <sr@denx.de>
+ *
+ * Copyright (C) 2011 DENX Software Engineering GmbH
+ * Heiko Schocher <hs@denx.de>
+ *
+ * Copyright (C) 2007 Semihalf
+ * Marian Balakowicz <m8@semihalf.com>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+/include/ "mpc5200b.dtsi"
+/ {
+        model = "anonymous,a3m071";
+        compatible = "anonymous,a3m071";
+        soc5200@f0000000 {
+                #address-cells = <1>;
+                #size-cells = <1>;
+                compatible = "fsl,mpc5200b-immr";
+                ranges = <0 0xf0000000 0x0000c000>;
+                reg = <0xf0000000 0x00000100>;
+                bus-frequency = <0>; /* From boot loader */
+                system-frequency = <0>; /* From boot loader */
+                timer@600 {
+                        fsl,has-wdt;
+                };
+                spi@f00 {
+                        status = "disabled";
+                };
+                usb: usb@1000 {
+                        status = "disabled";
+                };
+                psc@2000 {
+                        compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
+                        reg = <0x2000 0x100>;
+                        interrupts = <2 1 0>;
+                };
+                psc@2200 {
+                        status = "disabled";
+                };
+                psc@2400 {
+                        status = "disabled";
+                };
+                psc@2600 {
+                        status = "disabled";
+                };
+                psc@2800 {
+                        status = "disabled";
+                };
+                psc@2c00 {              // PSC6
+                        compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
+                        reg = <0x2c00 0x100>;
+                        interrupts = <2 4 0>;
+                };
+                ethernet@3000 {
+                        phy-handle = <&phy0>;
+                };
+                mdio@3000 {
+                        phy0: ethernet-phy@3 {
+                                reg = <0x03>;
+                        };
+                };
+                ata@3a00 {
+                        status = "disabled";
+                };
+                i2c@3d00 {
+                        status = "disabled";
+                };
+                i2c@3d40 {
+                        status = "disabled";
+                };
+        };
+        localbus {
+                compatible = "fsl,mpc5200b-lpb","simple-bus";
+                #address-cells = <2>;
+                #size-cells = <1>;
+                ranges = <0 0 0xfc000000 0x02000000
+                          3 0 0xe9000000 0x00080000
+                          5 0 0xe8000000 0x00010000>;
+                flash@0,0 {
+                        #address-cells = <1>;
+                        #size-cells = <1>;
+                        reg = <0 0x0 0x02000000>;
+                        compatible = "cfi-flash";
+                        bank-width = <2>;
+                        partition@0x0 {
+                                label = "u-boot";
+                                reg = <0x00000000 0x00040000>;
+                                read-only;
+                        };
+                        partition@0x00040000 {
+                                label = "env";
+                                reg = <0x00040000 0x00020000>;
+                        };
+                        partition@0x00060000 {
+                                label = "dtb";
+                                reg = <0x00060000 0x00020000>;
+                        };
+                        partition@0x00080000 {
+                                label = "kernel";
+                                reg = <0x00080000 0x00500000>;
+                        };
+                        partition@0x00580000 {
+                                label = "root";
+                                reg = <0x00580000 0x00A80000>;
+                        };
+                };
+                fpga@3,0 {
+                        compatible = "anonymous,a3m071-fpga";
+                        reg = <3 0x0 0x00080000
+                               5 0x0 0x00010000>;
+                        interrupts = <0 0 3>;  /* level low */
+                };
+        };
+        pci@f0000d00 {
+                status = "disabled";
+        };
+};
diff --git a/arch/powerpc/boot/dts/fsl/p5020si-post.dtsi b/arch/powerpc/boot/dts/fsl/p5020si-post.dtsi
index 64b6abea8464..5d7205b7bb05 100644
--- a/arch/powerpc/boot/dts/fsl/p5020si-post.dtsi
+++ b/arch/powerpc/boot/dts/fsl/p5020si-post.dtsi
@@ -354,4 +354,5 @@
 /include/ "qoriq-sata2-0.dtsi"
 /include/ "qoriq-sata2-1.dtsi"
 /include/ "qoriq-sec4.2-0.dtsi"
+/include/ "qoriq-raid1.0-0.dtsi"
 };
diff --git a/arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi b/arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi
index 0a198b0a77e5..8df47fc45ab5 100644
--- a/arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi
+++ b/arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi
@@ -73,6 +73,12 @@
                rtic_c = &rtic_c;
                rtic_d = &rtic_d;
                sec_mon = &sec_mon;
+                raideng = &raideng;
+                raideng_jr0 = &raideng_jr0;
+                raideng_jr1 = &raideng_jr1;
+                raideng_jr2 = &raideng_jr2;
+                raideng_jr3 = &raideng_jr3;
        };
        cpus {
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-raid1.0-0.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-raid1.0-0.dtsi
new file mode 100644
index 000000000000..8d2e8aa6cf8a
--- /dev/null
+++ b/arch/powerpc/boot/dts/fsl/qoriq-raid1.0-0.dtsi
@@ -0,0 +1,85 @@
+/*
+ * QorIQ RAID 1.0 device tree stub [ controller @ offset 0x320000 ]
+ *
+ * Copyright 2012 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of Freescale Semiconductor nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+raideng: raideng@320000 {
+        compatible = "fsl,raideng-v1.0";
+        #address-cells = <1>;
+        #size-cells = <1>;
+        reg = <0x320000 0x10000>;
+        ranges = <0 0x320000 0x10000>;
+        raideng_jq0@1000 {
+                compatible = "fsl,raideng-v1.0-job-queue";
+                #address-cells = <1>;
+                #size-cells = <1>;
+                reg = <0x1000 0x1000>;
+                ranges = <0x0 0x1000 0x1000>;
+                raideng_jr0: jr@0 {
+                        compatible = "fsl,raideng-v1.0-job-ring", "fsl,raideng-v1.0-hp-ring";
+                        reg = <0x0 0x400>;
+                        interrupts = <139 2 0 0>;
+                        interrupt-parent = <&mpic>;
+                };
+                raideng_jr1: jr@400 {
+                        compatible = "fsl,raideng-v1.0-job-ring", "fsl,raideng-v1.0-lp-ring";
+                        reg = <0x400 0x400>;
+                        interrupts = <140 2 0 0>;
+                        interrupt-parent = <&mpic>;
+                };
+        };
+        raideng_jq1@2000 {
+                compatible = "fsl,raideng-v1.0-job-queue";
+                #address-cells = <1>;
+                #size-cells = <1>;
+                reg = <0x2000 0x1000>;
+                ranges = <0x0 0x2000 0x1000>;
+                raideng_jr2: jr@0 {
+                        compatible = "fsl,raideng-v1.0-job-ring", "fsl,raideng-v1.0-hp-ring";
+                        reg = <0x0 0x400>;
+                        interrupts = <141 2 0 0>;
+                        interrupt-parent = <&mpic>;
+                };
+                raideng_jr3: jr@400 {
+                        compatible = "fsl,raideng-v1.0-job-ring", "fsl,raideng-v1.0-lp-ring";
+                        reg = <0x400 0x400>;
+                        interrupts = <142 2 0 0>;
+                        interrupt-parent = <&mpic>;
+                };
+        };
+};
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index 1f710a32ffae..5b8e1e508270 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -2,7 +2,7 @@ CONFIG_PPC64=y
 CONFIG_ALTIVEC=y
 CONFIG_VSX=y
 CONFIG_SMP=y
-CONFIG_NR_CPUS=1024
+CONFIG_NR_CPUS=2048
 CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h
index dc2cf9c6d9e6..ef918a2328bb 100644
--- a/arch/powerpc/include/asm/bitops.h
+++ b/arch/powerpc/include/asm/bitops.h
@@ -52,8 +52,6 @@
 #define smp_mb__before_clear_bit()      smp_mb()
 #define smp_mb__after_clear_bit()       smp_mb()
-#define BITOP_MASK(nr)          (1UL << ((nr) % BITS_PER_LONG))
-#define BITOP_WORD(nr)          ((nr) / BITS_PER_LONG)
 #define BITOP_LE_SWIZZLE        ((BITS_PER_LONG-1) & ~0x7)
 /* Macro for generating the ***_bits() functions */
@@ -83,22 +81,22 @@ DEFINE_BITOP(change_bits, xor, "", "")
 static __inline__ void set_bit(int nr, volatile unsigned long *addr)
 {
-        set_bits(BITOP_MASK(nr), addr + BITOP_WORD(nr));
+        set_bits(BIT_MASK(nr), addr + BIT_WORD(nr));
 }
 static __inline__ void clear_bit(int nr, volatile unsigned long *addr)
 {
-        clear_bits(BITOP_MASK(nr), addr + BITOP_WORD(nr));
+        clear_bits(BIT_MASK(nr), addr + BIT_WORD(nr));
 }
 static __inline__ void clear_bit_unlock(int nr, volatile unsigned long *addr)
 {
-        clear_bits_unlock(BITOP_MASK(nr), addr + BITOP_WORD(nr));
+        clear_bits_unlock(BIT_MASK(nr), addr + BIT_WORD(nr));
 }
 static __inline__ void change_bit(int nr, volatile unsigned long *addr)
 {
-        change_bits(BITOP_MASK(nr), addr + BITOP_WORD(nr));
+        change_bits(BIT_MASK(nr), addr + BIT_WORD(nr));
 }
 /* Like DEFINE_BITOP(), with changes to the arguments to 'op' and the output
@@ -136,26 +134,26 @@ DEFINE_TESTOP(test_and_change_bits, xor, PPC_ATOMIC_ENTRY_BARRIER,
 static __inline__ int test_and_set_bit(unsigned long nr,
                                       volatile unsigned long *addr)
 {
-        return test_and_set_bits(BITOP_MASK(nr), addr + BITOP_WORD(nr)) != 0;
+        return test_and_set_bits(BIT_MASK(nr), addr + BIT_WORD(nr)) != 0;
 }
 static __inline__ int test_and_set_bit_lock(unsigned long nr,
                                       volatile unsigned long *addr)
 {
-        return test_and_set_bits_lock(BITOP_MASK(nr),
+        return test_and_set_bits_lock(BIT_MASK(nr),
-                                addr + BITOP_WORD(nr)) != 0;
+                                addr + BIT_WORD(nr)) != 0;
 }
 static __inline__ int test_and_clear_bit(unsigned long nr,
                                         volatile unsigned long *addr)
 {
-        return test_and_clear_bits(BITOP_MASK(nr), addr + BITOP_WORD(nr)) != 0;
+        return test_and_clear_bits(BIT_MASK(nr), addr + BIT_WORD(nr)) != 0;
 }
 static __inline__ int test_and_change_bit(unsigned long nr,
                                          volatile unsigned long *addr)
 {
-        return test_and_change_bits(BITOP_MASK(nr), addr + BITOP_WORD(nr)) != 0;
+        return test_and_change_bits(BIT_MASK(nr), addr + BIT_WORD(nr)) != 0;
 }
 #include <asm-generic/bitops/non-atomic.h>
@@ -280,61 +278,8 @@ unsigned long __arch_hweight64(__u64 w);
 #include <asm-generic/bitops/find.h>
 /* Little-endian versions */
+#include <asm-generic/bitops/le.h>
-static __inline__ int test_bit_le(unsigned long nr,
-                                  __const__ void *addr)
-{
-        __const__ unsigned char *tmp = (__const__ unsigned char *) addr;
-        return (tmp[nr >> 3] >> (nr & 7)) & 1;
-}
-static inline void set_bit_le(int nr, void *addr)
-{
-        set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
-}
-static inline void clear_bit_le(int nr, void *addr)
-{
-        clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
-}
-static inline void __set_bit_le(int nr, void *addr)
-{
-        __set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
-}
-static inline void __clear_bit_le(int nr, void *addr)
-{
-        __clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
-}
-static inline int test_and_set_bit_le(int nr, void *addr)
-{
-        return test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
-}
-static inline int test_and_clear_bit_le(int nr, void *addr)
-{
-        return test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
-}
-static inline int __test_and_set_bit_le(int nr, void *addr)
-{
-        return __test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
-}
-static inline int __test_and_clear_bit_le(int nr, void *addr)
-{
-        return __test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
-}
-#define find_first_zero_bit_le(addr, size) \
-        find_next_zero_bit_le((addr), (size), 0)
-unsigned long find_next_zero_bit_le(const void *addr,
-                                    unsigned long size, unsigned long offset);
-unsigned long find_next_bit_le(const void *addr,
-                                    unsigned long size, unsigned long offset);
 /* Bitmap functions for the ext2 filesystem */
 #include <asm-generic/bitops/ext2-atomic-setbit.h>
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index 21a0687b8c4d..76f81bd64f1d 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -401,6 +401,14 @@ extern const char *powerpc_base_platform;
            CPU_FTR_DSCR | CPU_FTR_SAO  | CPU_FTR_ASYM_SMT | \
            CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
            CPU_FTR_ICSWX | CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY)
+#define CPU_FTRS_POWER8 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
+            CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
+            CPU_FTR_MMCRA | CPU_FTR_SMT | \
+            CPU_FTR_COHERENT_ICACHE | \
+            CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
+            CPU_FTR_DSCR | CPU_FTR_SAO  | \
+            CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
+            CPU_FTR_ICSWX | CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY)
 #define CPU_FTRS_CELL   (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
            CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
            CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
@@ -421,8 +429,8 @@ extern const char *powerpc_base_platform;
 #define CPU_FTRS_POSSIBLE       \
            (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 |        \
            CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_POWER6 |       \
-            CPU_FTRS_POWER7 | CPU_FTRS_CELL | CPU_FTRS_PA6T |           \
+            CPU_FTRS_POWER7 | CPU_FTRS_POWER8 | CPU_FTRS_CELL |         \
-            CPU_FTR_VSX)
+            CPU_FTRS_PA6T | CPU_FTR_VSX)
 #endif
 #else
 enum {
diff --git a/arch/powerpc/include/asm/dbell.h b/arch/powerpc/include/asm/dbell.h
index 154c067761b1..607e4eeeb694 100644
--- a/arch/powerpc/include/asm/dbell.h
+++ b/arch/powerpc/include/asm/dbell.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2009 Freescale Semicondutor, Inc.
+ * Copyright 2009 Freescale Semiconductor, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index a43c1473915f..ad708dda3ba3 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -48,6 +48,35 @@
 #define EX_LR           72
 #define EX_CFAR         80
+#ifdef CONFIG_RELOCATABLE
+#define EXCEPTION_RELON_PROLOG_PSERIES_1(label, h)                      \
+        ld      r12,PACAKBASE(r13);     /* get high part of &label */   \
+        mfspr   r11,SPRN_##h##SRR0;     /* save SRR0 */                 \
+        LOAD_HANDLER(r12,label);                                        \
+        mtlr    r12;                                                    \
+        mfspr   r12,SPRN_##h##SRR1;     /* and SRR1 */                  \
+        li      r10,MSR_RI;                                             \
+        mtmsrd  r10,1;                  /* Set RI (EE=0) */             \
+        blr;
+#else
+/* If not relocatable, we can jump directly -- and save messing with LR */
+#define EXCEPTION_RELON_PROLOG_PSERIES_1(label, h)                      \
+        mfspr   r11,SPRN_##h##SRR0;     /* save SRR0 */                 \
+        mfspr   r12,SPRN_##h##SRR1;     /* and SRR1 */                  \
+        li      r10,MSR_RI;                                             \
+        mtmsrd  r10,1;                  /* Set RI (EE=0) */             \
+        b       label;
+#endif
+/*
+ * As EXCEPTION_PROLOG_PSERIES(), except we've already got relocation on
+ * so no need to rfid.  Save lr in case we're CONFIG_RELOCATABLE, in which
+ * case EXCEPTION_RELON_PROLOG_PSERIES_1 will be using lr.
+ */
+#define EXCEPTION_RELON_PROLOG_PSERIES(area, label, h, extra, vec)      \
+        EXCEPTION_PROLOG_1(area, extra, vec);                           \
+        EXCEPTION_RELON_PROLOG_PSERIES_1(label, h)
 /*
 * We're short on space and time in the exception prolog, so we can't
 * use the normal SET_REG_IMMEDIATE macro. Normally we just need the
@@ -55,12 +84,29 @@
 * word.
 */
 #define LOAD_HANDLER(reg, label)                                        \
-        addi    reg,reg,(label)-_stext; /* virt addr of handler ... */
+        /* Handlers must be within 64K of kbase, which must be 64k aligned */ \
+        ori     reg,reg,(label)-_stext; /* virt addr of handler ... */
 /* Exception register prefixes */
 #define EXC_HV  H
 #define EXC_STD
+#if defined(CONFIG_RELOCATABLE)
+/*
+ * If we support interrupts with relocation on AND we're a relocatable
+ * kernel, we need to use LR to get to the 2nd level handler.  So, save/restore
+ * it when required.
+ */
+#define SAVE_LR(reg, area)      mflr    reg ;   std     reg,area+EX_LR(r13)
+#define GET_LR(reg, area)                       ld      reg,area+EX_LR(r13)
+#define RESTORE_LR(reg, area)   ld      reg,area+EX_LR(r13) ; mtlr reg
+#else
+/* ...else LR is unused and in register. */
+#define SAVE_LR(reg, area)
+#define GET_LR(reg, area)       mflr    reg
+#define RESTORE_LR(reg, area)
+#endif
 #define __EXCEPTION_PROLOG_1(area, extra, vec)                          \
        GET_PACA(r13);                                                  \
        std     r9,area+EX_R9(r13);     /* save r9 - r12 */             \
@@ -69,6 +115,7 @@
        mfspr   r10,SPRN_CFAR;                                          \
        std     r10,area+EX_CFAR(r13);                                  \
        END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66);         \
+        SAVE_LR(r10, area);                                             \
        mfcr    r9;                                                     \
        extra(vec);                                                     \
        std     r11,area+EX_R11(r13);                                   \
@@ -169,6 +216,7 @@ do_kvm_##n:								\
        sth     r1,PACA_TRAP_SAVE(r13);                                    \
        std     r3,area+EX_R3(r13);                                        \
        addi    r3,r13,area;            /* r3 -> where regs are saved*/    \
+        RESTORE_LR(r1, area);                                              \
        b       bad_stack;                                                 \
 3:      std     r9,_CCR(r1);            /* save CR in stackframe        */ \
        std     r11,_NIP(r1);           /* save SRR0 in stackframe      */ \
@@ -194,8 +242,8 @@ do_kvm_##n:								\
        ld      r10,area+EX_CFAR(r13);                                     \
        std     r10,ORIG_GPR3(r1);                                         \
        END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66);            \
+        GET_LR(r9,area);                /* Get LR, later save to stack  */ \
        ld      r2,PACATOC(r13);        /* get kernel TOC into r2       */ \
-        mflr    r9;                     /* save LR in stackframe        */ \
        std     r9,_LINK(r1);                                              \
        mfctr   r10;                    /* save CTR in stackframe       */ \
        std     r10,_CTR(r1);                                              \
@@ -232,6 +280,26 @@ label##_hv:						\
        EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common,    \
                                 EXC_HV, KVMTEST, vec)
+#define STD_RELON_EXCEPTION_PSERIES(loc, vec, label)    \
+        . = loc;                                        \
+        .globl label##_relon_pSeries;                   \
+label##_relon_pSeries:                                  \
+        HMT_MEDIUM;                                     \
+        /* No guest interrupts come through here */     \
+        SET_SCRATCH0(r13);              /* save r13 */  \
+        EXCEPTION_RELON_PROLOG_PSERIES(PACA_EXGEN, label##_common, \
+                                       EXC_STD, KVMTEST_PR, vec)
+#define STD_RELON_EXCEPTION_HV(loc, vec, label)         \
+        . = loc;                                        \
+        .globl label##_relon_hv;                        \
+label##_relon_hv:                                       \
+        HMT_MEDIUM;                                     \
+        /* No guest interrupts come through here */     \
+        SET_SCRATCH0(r13);      /* save r13 */          \
+        EXCEPTION_RELON_PROLOG_PSERIES(PACA_EXGEN, label##_common, \
+                                       EXC_HV, KVMTEST, vec)
 /* This associate vector numbers with bits in paca->irq_happened */
 #define SOFTEN_VALUE_0x500      PACA_IRQ_EE
 #define SOFTEN_VALUE_0x502      PACA_IRQ_EE
@@ -257,6 +325,9 @@ label##_hv:						\
        KVMTEST(vec);                                                   \
        _SOFTEN_TEST(EXC_STD, vec)
+#define SOFTEN_NOTEST_PR(vec)           _SOFTEN_TEST(EXC_STD, vec)
+#define SOFTEN_NOTEST_HV(vec)           _SOFTEN_TEST(EXC_HV, vec)
 #define __MASKABLE_EXCEPTION_PSERIES(vec, label, h, extra)              \
        HMT_MEDIUM;                                                     \
        SET_SCRATCH0(r13);    /* save r13 */                            \
@@ -279,6 +350,28 @@ label##_hv:								\
        _MASKABLE_EXCEPTION_PSERIES(vec, label,                         \
                                    EXC_HV, SOFTEN_TEST_HV)
+#define __MASKABLE_RELON_EXCEPTION_PSERIES(vec, label, h, extra)        \
+        HMT_MEDIUM;                                                     \
+        SET_SCRATCH0(r13);    /* save r13 */                            \
+        __EXCEPTION_PROLOG_1(PACA_EXGEN, extra, vec);           \
+        EXCEPTION_RELON_PROLOG_PSERIES_1(label##_common, h);
+#define _MASKABLE_RELON_EXCEPTION_PSERIES(vec, label, h, extra) \
+        __MASKABLE_RELON_EXCEPTION_PSERIES(vec, label, h, extra)
+#define MASKABLE_RELON_EXCEPTION_PSERIES(loc, vec, label)               \
+        . = loc;                                                        \
+        .globl label##_relon_pSeries;                                   \
+label##_relon_pSeries:                                                  \
+        _MASKABLE_RELON_EXCEPTION_PSERIES(vec, label,                   \
+                                          EXC_STD, SOFTEN_NOTEST_PR)
+#define MASKABLE_RELON_EXCEPTION_HV(loc, vec, label)                    \
+        . = loc;                                                        \
+        .globl label##_relon_hv;                                        \
+label##_relon_hv:                                                       \
+        _MASKABLE_RELON_EXCEPTION_PSERIES(vec, label,                   \
+                                          EXC_HV, SOFTEN_NOTEST_HV)
 /*
 * Our exception common code can be passed various "additions"
 * to specify the behaviour of interrupts, whether to kick the
diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h
index ad0b751b0d78..973cc3be011b 100644
--- a/arch/powerpc/include/asm/firmware.h
+++ b/arch/powerpc/include/asm/firmware.h
@@ -49,6 +49,7 @@
 #define FW_FEATURE_XCMO         ASM_CONST(0x0000000008000000)
 #define FW_FEATURE_OPAL         ASM_CONST(0x0000000010000000)
 #define FW_FEATURE_OPALv2       ASM_CONST(0x0000000020000000)
+#define FW_FEATURE_SET_MODE     ASM_CONST(0x0000000040000000)
 #ifndef __ASSEMBLY__
@@ -62,7 +63,8 @@ enum {
                FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
                FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR |
                FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR |
-                FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO,
+                FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO |
+                FW_FEATURE_SET_MODE,
        FW_FEATURE_PSERIES_ALWAYS = 0,
        FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_OPALv2,
        FW_FEATURE_POWERNV_ALWAYS = 0,
diff --git a/arch/powerpc/include/asm/fsl_gtm.h b/arch/powerpc/include/asm/fsl_gtm.h
index 8e8c9b5032d3..3b05808f9caa 100644
--- a/arch/powerpc/include/asm/fsl_gtm.h
+++ b/arch/powerpc/include/asm/fsl_gtm.h
@@ -1,7 +1,7 @@
 /*
 * Freescale General-purpose Timers Module
 *
- * Copyright (c) Freescale Semicondutor, Inc. 2006.
+ * Copyright 2006 Freescale Semiconductor, Inc.
 *               Shlomi Gridish <gridish@freescale.com>
 *               Jerry Huang <Chang-Ming.Huang@freescale.com>
 * Copyright (c) MontaVista Software, Inc. 2008.
diff --git a/arch/powerpc/include/asm/fsl_guts.h b/arch/powerpc/include/asm/fsl_guts.h
index dd5ba2c22771..77ced0b3d81d 100644
--- a/arch/powerpc/include/asm/fsl_guts.h
+++ b/arch/powerpc/include/asm/fsl_guts.h
@@ -71,7 +71,9 @@ struct ccsr_guts {
        u8      res0c4[0x224 - 0xc4];
        __be32  iodelay1;       /* 0x.0224 - IO delay control register 1 */
        __be32  iodelay2;       /* 0x.0228 - IO delay control register 2 */
-        u8      res22c[0x800 - 0x22c];
+        u8      res22c[0x604 - 0x22c];
+        __be32  pamubypenr;     /* 0x.604 - PAMU bypass enable register */
+        u8      res608[0x800 - 0x608];
        __be32  clkdvdr;        /* 0x.0800 - Clock Divide Register */
        u8      res804[0x900 - 0x804];
        __be32  ircr;           /* 0x.0900 - Infrared Control Register */
diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
index 7a867065db79..0975e5c0bb19 100644
--- a/arch/powerpc/include/asm/hvcall.h
+++ b/arch/powerpc/include/asm/hvcall.h
@@ -267,7 +267,8 @@
 #define H_RANDOM                0x300
 #define H_COP                   0x304
 #define H_GET_MPP_X             0x314
-#define MAX_HCALL_OPCODE        H_GET_MPP_X
+#define H_SET_MODE              0x31C
+#define MAX_HCALL_OPCODE        H_SET_MODE
 #ifndef __ASSEMBLY__
@@ -355,6 +356,26 @@ struct hvcall_mpp_x_data {
 int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
+static inline unsigned int get_longbusy_msecs(int longbusy_rc)
+{
+        switch (longbusy_rc) {
+        case H_LONG_BUSY_ORDER_1_MSEC:
+                return 1;
+        case H_LONG_BUSY_ORDER_10_MSEC:
+                return 10;
+        case H_LONG_BUSY_ORDER_100_MSEC:
+                return 100;
+        case H_LONG_BUSY_ORDER_1_SEC:
+                return 1000;
+        case H_LONG_BUSY_ORDER_10_SEC:
+                return 10000;
+        case H_LONG_BUSY_ORDER_100_SEC:
+                return 100000;
+        default:
+                return 1;
+        }
+}
 #ifdef CONFIG_PPC_PSERIES
 extern int CMO_PrPSP;
 extern int CMO_SecPSP;
diff --git a/arch/powerpc/include/asm/immap_qe.h b/arch/powerpc/include/asm/immap_qe.h
index 61e8490786b8..bedbff891423 100644
--- a/arch/powerpc/include/asm/immap_qe.h
+++ b/arch/powerpc/include/asm/immap_qe.h
@@ -3,7 +3,7 @@
 * The Internal Memory Map for devices with QE on them. This
 * is the superset of all QE devices (8360, etc.).
- * Copyright (C) 2006. Freescale Semicondutor, Inc. All rights reserved.
+ * Copyright (C) 2006. Freescale Semiconductor, Inc. All rights reserved.
 *
 * Authors:     Shlomi Gridish <gridish@freescale.com>
 *              Li Yang <leoli@freescale.com>
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index 3c82daf8be99..19d9d96eb8d3 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h
@@ -166,9 +166,6 @@ struct machdep_calls {
                                                unsigned long size,
                                                pgprot_t vma_prot);
-        /* Idle loop for this platform, leave empty for default idle loop */
-        void            (*idle_loop)(void);
        /*
         * Function for waiting for work with reduced power in idle loop;
         * called with interrupts disabled.
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index 5e38eedea218..691fd8aca939 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -101,6 +101,7 @@
 #define MMU_FTRS_POWER5         MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE
 #define MMU_FTRS_POWER6         MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE
 #define MMU_FTRS_POWER7         MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE
+#define MMU_FTRS_POWER8         MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE
 #define MMU_FTRS_CELL           MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \
                                MMU_FTR_CI_LARGE_PAGE
 #define MMU_FTRS_PA6T           MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \
diff --git a/arch/powerpc/include/asm/pSeries_reconfig.h b/arch/powerpc/include/asm/pSeries_reconfig.h
deleted file mode 100644
index c07edfe98b98..000000000000
--- a/arch/powerpc/include/asm/pSeries_reconfig.h
+++ /dev/null
@@ -1,47 +0,0 @@
-#ifndef _PPC64_PSERIES_RECONFIG_H
-#define _PPC64_PSERIES_RECONFIG_H
-#ifdef __KERNEL__
-#include <linux/notifier.h>
-/*
- * Use this API if your code needs to know about OF device nodes being
- * added or removed on pSeries systems.
- */
-#define PSERIES_RECONFIG_ADD            0x0001
-#define PSERIES_RECONFIG_REMOVE         0x0002
-#define PSERIES_DRCONF_MEM_ADD          0x0003
-#define PSERIES_DRCONF_MEM_REMOVE       0x0004
-#define PSERIES_UPDATE_PROPERTY         0x0005
-/**
- * pSeries_reconfig_notify - Notifier value structure for OFDT property updates
- *
- * @node: Device tree node which owns the property being updated
- * @property: Updated property
- */
-struct pSeries_reconfig_prop_update {
-        struct device_node *node;
-        struct property *property;
-};
-#ifdef CONFIG_PPC_PSERIES
-extern int pSeries_reconfig_notifier_register(struct notifier_block *);
-extern void pSeries_reconfig_notifier_unregister(struct notifier_block *);
-extern int pSeries_reconfig_notify(unsigned long action, void *p);
-/* Not the best place to put this, will be fixed when we move some
- * of the rtas suspend-me stuff to pseries */
-extern void pSeries_coalesce_init(void);
-#else /* !CONFIG_PPC_PSERIES */
-static inline int pSeries_reconfig_notifier_register(struct notifier_block *nb)
-{
-        return 0;
-}
-static inline void pSeries_reconfig_notifier_unregister(struct notifier_block *nb) { }
-static inline void pSeries_coalesce_init(void) { }
-#endif /* CONFIG_PPC_PSERIES */
-#endif /* __KERNEL__ */
-#endif /* _PPC64_PSERIES_RECONFIG_H */
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index 42b1f43b943b..51fb00a20d7e 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2009 Freescale Semicondutor, Inc.
+ * Copyright 2009 Freescale Semiconductor, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
@@ -86,6 +86,7 @@
 #define PPC_INST_DCBA_MASK              0xfc0007fe
 #define PPC_INST_DCBAL                  0x7c2005ec
 #define PPC_INST_DCBZL                  0x7c2007ec
+#define PPC_INST_ICBT                   0x7c00002c
 #define PPC_INST_ISEL                   0x7c00001e
 #define PPC_INST_ISEL_MASK              0xfc00003e
 #define PPC_INST_LDARX                  0x7c0000a8
@@ -201,6 +202,7 @@
 #define __PPC_MB(s)     (((s) & 0x1f) << 6)
 #define __PPC_ME(s)     (((s) & 0x1f) << 1)
 #define __PPC_BI(s)     (((s) & 0x1f) << 16)
+#define __PPC_CT(t)     (((t) & 0x0f) << 21)
 /*
 * Only use the larx hint bit on 64bit CPUs. e500v1/v2 based CPUs will treat a
@@ -263,6 +265,8 @@
                                        __PPC_RS(t) | __PPC_RA0(a) | __PPC_RB(b))
 #define PPC_SLBFEE_DOT(t, b)    stringify_in_c(.long PPC_INST_SLBFEE | \
                                        __PPC_RT(t) | __PPC_RB(b))
+#define PPC_ICBT(c,a,b)         stringify_in_c(.long PPC_INST_ICBT | \
+                                       __PPC_CT(c) | __PPC_RA0(a) | __PPC_RB(b))
 /* PASemi instructions */
 #define LBZCIX(t,a,b)           stringify_in_c(.long PPC_INST_LBZCIX | \
                                       __PPC_RT(t) | __PPC_RA(a) | __PPC_RB(b))
diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h
index b5c91901e384..99c92d5363e4 100644
--- a/arch/powerpc/include/asm/prom.h
+++ b/arch/powerpc/include/asm/prom.h
@@ -58,6 +58,22 @@ static inline int of_node_to_nid(struct device_node *device) { return 0; }
 extern void of_instantiate_rtc(void);
+/* The of_drconf_cell struct defines the layout of the LMB array
+ * specified in the device tree property
+ * ibm,dynamic-reconfiguration-memory/ibm,dynamic-memory
+ */
+struct of_drconf_cell {
+        u64     base_addr;
+        u32     drc_index;
+        u32     reserved;
+        u32     aa_index;
+        u32     flags;
+};
+#define DRCONF_MEM_ASSIGNED     0x00000008
+#define DRCONF_MEM_AI_INVALID   0x00000040
+#define DRCONF_MEM_RESERVED     0x00000080
 /* These includes are put at the bottom because they may contain things
 * that are overridden by this file.  Ideally they shouldn't be included
 * by this file, but there are a bunch of .c files that currently depend
diff --git a/arch/powerpc/include/asm/qe.h b/arch/powerpc/include/asm/qe.h
index 229571a49391..32b9bfa0c9bd 100644
--- a/arch/powerpc/include/asm/qe.h
+++ b/arch/powerpc/include/asm/qe.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved.
+ * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
 *
 * Authors:     Shlomi Gridish <gridish@freescale.com>
 *              Li Yang <leoli@freescale.com>
diff --git a/arch/powerpc/include/asm/qe_ic.h b/arch/powerpc/include/asm/qe_ic.h
index f706164b0bd0..25784cc959a0 100644
--- a/arch/powerpc/include/asm/qe_ic.h
+++ b/arch/powerpc/include/asm/qe_ic.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved.
+ * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
 *
 * Authors:     Shlomi Gridish <gridish@freescale.com>
 *              Li Yang <leoli@freescale.com>
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 97d37278ea2d..3d5c9dc8917a 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -249,6 +249,8 @@
 #define   LPCR_RMLS    0x1C000000      /* impl dependent rmo limit sel */
 #define   LPCR_RMLS_SH  (63-37)
 #define   LPCR_ILE     0x02000000      /* !HV irqs set MSR:LE */
+#define   LPCR_AIL_0    0x00000000      /* MMU off exception offset 0x0 */
+#define   LPCR_AIL_3    0x01800000      /* MMU on exception offset 0xc00...4xxx */
 #define   LPCR_PECE     0x00007000      /* powersave exit cause enable */
 #define     LPCR_PECE0  0x00004000      /* ext. exceptions can cause exit */
 #define     LPCR_PECE1  0x00002000      /* decrementer can cause exit */
@@ -1030,6 +1032,7 @@
 #define PVR_970MP       0x0044
 #define PVR_970GX       0x0045
 #define PVR_POWER7p     0x004A
+#define PVR_POWER8      0x004B
 #define PVR_BE          0x0070
 #define PVR_PA6T        0x0090
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index 557cff845dee..aef00c675905 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -353,8 +353,13 @@ static inline int page_is_rtas_user_buf(unsigned long pfn)
                return 1;
        return 0;
 }
+/* Not the best place to put pSeries_coalesce_init, will be fixed when we
+ * move some of the rtas suspend-me stuff to pseries */
+extern void pSeries_coalesce_init(void);
 #else
 static inline int page_is_rtas_user_buf(unsigned long pfn) { return 0;}
+static inline void pSeries_coalesce_init(void) { }
 #endif
 extern int call_rtas(const char *, int, int, unsigned long *, ...);
diff --git a/arch/powerpc/include/asm/setup.h b/arch/powerpc/include/asm/setup.h
new file mode 100644
index 000000000000..d3ca85529b8b
--- /dev/null
+++ b/arch/powerpc/include/asm/setup.h
@@ -0,0 +1,29 @@
+#ifndef _ASM_POWERPC_SETUP_H
+#define _ASM_POWERPC_SETUP_H
+#include <uapi/asm/setup.h>
+#ifndef __ASSEMBLY__
+extern void ppc_printk_progress(char *s, unsigned short hex);
+extern unsigned int rtas_data;
+extern int mem_init_done;       /* set on boot once kmalloc can be called */
+extern int init_bootmem_done;   /* set once bootmem is available */
+extern unsigned long long memory_limit;
+extern unsigned long klimit;
+extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask);
+struct device_node;
+extern void note_scsi_host(struct device_node *, void *);
+/* Used in very early kernel initialization. */
+extern unsigned long reloc_offset(void);
+extern unsigned long add_reloc_offset(unsigned long);
+extern void reloc_got2(unsigned long);
+#define PTRRELOC(x)     ((typeof(x)) add_reloc_offset((unsigned long)(x)))
+#endif /* !__ASSEMBLY__ */
+#endif  /* _ASM_POWERPC_SETUP_H */
diff --git a/arch/powerpc/include/asm/ucc.h b/arch/powerpc/include/asm/ucc.h
index 46b09ba6bead..6927ac26516e 100644
--- a/arch/powerpc/include/asm/ucc.h
+++ b/arch/powerpc/include/asm/ucc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved.
+ * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
 *
 * Authors:     Shlomi Gridish <gridish@freescale.com>
 *              Li Yang <leoli@freescale.com>
diff --git a/arch/powerpc/include/asm/ucc_fast.h b/arch/powerpc/include/asm/ucc_fast.h
index 4644c840e2fa..72ea9bab07df 100644
--- a/arch/powerpc/include/asm/ucc_fast.h
+++ b/arch/powerpc/include/asm/ucc_fast.h
@@ -1,7 +1,7 @@
 /*
 * Internal header file for UCC FAST unit routines.
 *
- * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved.
+ * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
 *
 * Authors:     Shlomi Gridish <gridish@freescale.com>
 *              Li Yang <leoli@freescale.com>
diff --git a/arch/powerpc/include/asm/ucc_slow.h b/arch/powerpc/include/asm/ucc_slow.h
index cf131ffdb8d1..c44131e68e11 100644
--- a/arch/powerpc/include/asm/ucc_slow.h
+++ b/arch/powerpc/include/asm/ucc_slow.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved.
+ * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
 *
 * Authors:     Shlomi Gridish <gridish@freescale.com>
 *              Li Yang <leoli@freescale.com>
diff --git a/arch/powerpc/include/asm/udbg.h b/arch/powerpc/include/asm/udbg.h
index b3038817b8dc..5a7510e9d09d 100644
--- a/arch/powerpc/include/asm/udbg.h
+++ b/arch/powerpc/include/asm/udbg.h
@@ -21,7 +21,6 @@ extern int (*udbg_getc_poll)(void);
 extern void udbg_puts(const char *s);
 extern int udbg_write(const char *s, int n);
-extern int udbg_read(char *buf, int buflen);
 extern void register_early_udbg_console(void);
 extern void udbg_printf(const char *fmt, ...)
diff --git a/arch/powerpc/include/uapi/asm/setup.h b/arch/powerpc/include/uapi/asm/setup.h
index 8b9a306260b2..552df83f1a49 100644
--- a/arch/powerpc/include/uapi/asm/setup.h
+++ b/arch/powerpc/include/uapi/asm/setup.h
@@ -1,32 +1 @@
-#ifndef _ASM_POWERPC_SETUP_H
-#define _ASM_POWERPC_SETUP_H
 #include <asm-generic/setup.h>
-#ifndef __ASSEMBLY__
-extern void ppc_printk_progress(char *s, unsigned short hex);
-extern unsigned int rtas_data;
-extern int mem_init_done;       /* set on boot once kmalloc can be called */
-extern int init_bootmem_done;   /* set once bootmem is available */
-extern unsigned long long memory_limit;
-extern unsigned long klimit;
-extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask);
-extern void via_cuda_init(void);
-extern void read_rtc_time(void);
-extern void pmac_find_display(void);
-struct device_node;
-extern void note_scsi_host(struct device_node *, void *);
-/* Used in very early kernel initialization. */
-extern unsigned long reloc_offset(void);
-extern unsigned long add_reloc_offset(unsigned long);
-extern void reloc_got2(unsigned long);
-#define PTRRELOC(x)     ((typeof(x)) add_reloc_offset((unsigned long)(x)))
-#endif /* !__ASSEMBLY__ */
-#endif  /* _ASM_POWERPC_SETUP_H */
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index cde12f8a4ebc..8f619342f14c 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -38,7 +38,7 @@ obj-$(CONFIG_PPC64)		+= setup_64.o sys_ppc32.o \
                                   paca.o nvram_64.o firmware.o
 obj-$(CONFIG_HAVE_HW_BREAKPOINT)        += hw_breakpoint.o
 obj-$(CONFIG_PPC_BOOK3S_64)     += cpu_setup_ppc970.o cpu_setup_pa6t.o
-obj-$(CONFIG_PPC_BOOK3S_64)     += cpu_setup_power7.o
+obj-$(CONFIG_PPC_BOOK3S_64)     += cpu_setup_power.o
 obj64-$(CONFIG_RELOCATABLE)     += reloc_64.o
 obj-$(CONFIG_PPC_BOOK3E_64)     += exceptions-64e.o idle_book3e.o
 obj-$(CONFIG_PPC_A2)            += cpu_setup_a2.o
diff --git a/arch/powerpc/kernel/cpu_setup_power7.S b/arch/powerpc/kernel/cpu_setup_power.S
index 76797c5105d6..57cf14065aec 100644
--- a/arch/powerpc/kernel/cpu_setup_power7.S
+++ b/arch/powerpc/kernel/cpu_setup_power.S
@@ -27,6 +27,7 @@ _GLOBAL(__setup_cpu_power7)
        beqlr
        li      r0,0
        mtspr   SPRN_LPID,r0
+        mfspr   r3,SPRN_LPCR
        bl      __init_LPCR
        bl      __init_TLB
        mtlr    r11
@@ -39,6 +40,35 @@ _GLOBAL(__restore_cpu_power7)
        beqlr
        li      r0,0
        mtspr   SPRN_LPID,r0
+        mfspr   r3,SPRN_LPCR
+        bl      __init_LPCR
+        bl      __init_TLB
+        mtlr    r11
+        blr
+_GLOBAL(__setup_cpu_power8)
+        mflr    r11
+        bl      __init_hvmode_206
+        mtlr    r11
+        beqlr
+        li      r0,0
+        mtspr   SPRN_LPID,r0
+        mfspr   r3,SPRN_LPCR
+        oris    r3, r3, LPCR_AIL_3@h
+        bl      __init_LPCR
+        bl      __init_TLB
+        mtlr    r11
+        blr
+_GLOBAL(__restore_cpu_power8)
+        mflr    r11
+        mfmsr   r3
+        rldicl. r0,r3,4,63
+        beqlr
+        li      r0,0
+        mtspr   SPRN_LPID,r0
+        mfspr   r3,SPRN_LPCR
+        oris    r3, r3, LPCR_AIL_3@h
        bl      __init_LPCR
        bl      __init_TLB
        mtlr    r11
@@ -57,6 +87,7 @@ __init_hvmode_206:
 __init_LPCR:
        /* Setup a sane LPCR:
+         *   Called with initial LPCR in R3
         *
         *   LPES = 0b01 (HSRR0/1 used for 0x500)
         *   PECE = 0b111
@@ -67,7 +98,6 @@ __init_LPCR:
         *
         * Other bits untouched for now
         */
-        mfspr   r3,SPRN_LPCR
        li      r5,1
        rldimi  r3,r5, LPCR_LPES_SH, 64-LPCR_LPES_SH-2
        ori     r3,r3,(LPCR_PECE0|LPCR_PECE1|LPCR_PECE2)
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 0514c21f138b..75a3d71b895d 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -68,6 +68,8 @@ extern void __restore_cpu_pa6t(void);
 extern void __restore_cpu_ppc970(void);
 extern void __setup_cpu_power7(unsigned long offset, struct cpu_spec* spec);
 extern void __restore_cpu_power7(void);
+extern void __setup_cpu_power8(unsigned long offset, struct cpu_spec* spec);
+extern void __restore_cpu_power8(void);
 extern void __restore_cpu_a2(void);
 #endif /* CONFIG_PPC64 */
 #if defined(CONFIG_E500)
@@ -94,6 +96,10 @@ extern void __restore_cpu_e5500(void);
                                 PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \
                                 PPC_FEATURE_TRUE_LE | \
                                 PPC_FEATURE_PSERIES_PERFMON_COMPAT)
+#define COMMON_USER_POWER8      (COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_06 |\
+                                 PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \
+                                 PPC_FEATURE_TRUE_LE | \
+                                 PPC_FEATURE_PSERIES_PERFMON_COMPAT)
 #define COMMON_USER_PA6T        (COMMON_USER_PPC64 | PPC_FEATURE_PA6T |\
                                 PPC_FEATURE_TRUE_LE | \
                                 PPC_FEATURE_HAS_ALTIVEC_COMP)
@@ -429,6 +435,21 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_restore            = __restore_cpu_power7,
                .platform               = "power7",
        },
+        {       /* 2.07-compliant processor, i.e. Power8 "architected" mode */
+                .pvr_mask               = 0xffffffff,
+                .pvr_value              = 0x0f000004,
+                .cpu_name               = "POWER8 (architected)",
+                .cpu_features           = CPU_FTRS_POWER8,
+                .cpu_user_features      = COMMON_USER_POWER8,
+                .mmu_features           = MMU_FTRS_POWER8,
+                .icache_bsize           = 128,
+                .dcache_bsize           = 128,
+                .oprofile_type          = PPC_OPROFILE_POWER4,
+                .oprofile_cpu_type      = "ppc64/ibm-compat-v1",
+                .cpu_setup              = __setup_cpu_power8,
+                .cpu_restore            = __restore_cpu_power8,
+                .platform               = "power8",
+        },
        {       /* Power7 */
                .pvr_mask               = 0xffff0000,
                .pvr_value              = 0x003f0000,
@@ -463,6 +484,23 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_restore            = __restore_cpu_power7,
                .platform               = "power7+",
        },
+        {       /* Power8 */
+                .pvr_mask               = 0xffff0000,
+                .pvr_value              = 0x004b0000,
+                .cpu_name               = "POWER8 (raw)",
+                .cpu_features           = CPU_FTRS_POWER8,
+                .cpu_user_features      = COMMON_USER_POWER8,
+                .mmu_features           = MMU_FTRS_POWER8,
+                .icache_bsize           = 128,
+                .dcache_bsize           = 128,
+                .num_pmcs               = 6,
+                .pmc_type               = PPC_PMC_IBM,
+                .oprofile_cpu_type      = "ppc64/power8",
+                .oprofile_type          = PPC_OPROFILE_POWER4,
+                .cpu_setup              = __setup_cpu_power8,
+                .cpu_restore            = __restore_cpu_power8,
+                .platform               = "power8",
+        },
        {       /* Cell Broadband Engine */
                .pvr_mask               = 0xffff0000,
                .pvr_value              = 0x00700000,
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index e9a906c27234..b310a0573625 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -373,6 +373,8 @@ _GLOBAL(ret_from_fork)
 _GLOBAL(ret_from_kernel_thread)
        bl      .schedule_tail
        REST_NVGPRS(r1)
+        li      r3,0
+        std     r3,0(r1)
        ld      r14, 0(r14)
        mtlr    r14
        mr      r3,r15
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 10b658ad65e1..4665e82fa377 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -19,12 +19,76 @@
 /*
 * We layout physical memory as follows:
 * 0x0000 - 0x00ff : Secondary processor spin code
- * 0x0100 - 0x2fff : pSeries Interrupt prologs
+ * 0x0100 - 0x17ff : pSeries Interrupt prologs
- * 0x3000 - 0x5fff : interrupt support common interrupt prologs
+ * 0x1800 - 0x4000 : interrupt support common interrupt prologs
- * 0x6000 - 0x6fff : Initial (CPU0) segment table
+ * 0x4000 - 0x5fff : pSeries interrupts with IR=1,DR=1
+ * 0x6000 - 0x6fff : more interrupt support including for IR=1,DR=1
 * 0x7000 - 0x7fff : FWNMI data area
- * 0x8000 -        : Early init and support code
+ * 0x8000 - 0x8fff : Initial (CPU0) segment table
+ * 0x9000 -        : Early init and support code
 */
+        /* Syscall routine is used twice, in reloc-off and reloc-on paths */
+#define SYSCALL_PSERIES_1                                       \
+BEGIN_FTR_SECTION                                               \
+        cmpdi   r0,0x1ebe ;                                     \
+        beq-    1f ;                                            \
+END_FTR_SECTION_IFSET(CPU_FTR_REAL_LE)                          \
+        mr      r9,r13 ;                                        \
+        GET_PACA(r13) ;                                         \
+        mfspr   r11,SPRN_SRR0 ;                                 \
+0:
+#define SYSCALL_PSERIES_2_RFID                                  \
+        mfspr   r12,SPRN_SRR1 ;                                 \
+        ld      r10,PACAKBASE(r13) ;                            \
+        LOAD_HANDLER(r10, system_call_entry) ;                  \
+        mtspr   SPRN_SRR0,r10 ;                                 \
+        ld      r10,PACAKMSR(r13) ;                             \
+        mtspr   SPRN_SRR1,r10 ;                                 \
+        rfid ;                                                  \
+        b       . ;     /* prevent speculative execution */
+#define SYSCALL_PSERIES_3                                       \
+        /* Fast LE/BE switch system call */                     \
+1:      mfspr   r12,SPRN_SRR1 ;                                 \
+        xori    r12,r12,MSR_LE ;                                \
+        mtspr   SPRN_SRR1,r12 ;                                 \
+        rfid ;          /* return to userspace */               \
+        b       . ;                                             \
+2:      mfspr   r12,SPRN_SRR1 ;                                 \
+        andi.   r12,r12,MSR_PR ;                                \
+        bne     0b ;                                            \
+        mtspr   SPRN_SRR0,r3 ;                                  \
+        mtspr   SPRN_SRR1,r4 ;                                  \
+        mtspr   SPRN_SDR1,r5 ;                                  \
+        rfid ;                                                  \
+        b       . ;     /* prevent speculative execution */
+#if defined(CONFIG_RELOCATABLE)
+        /*
+         * We can't branch directly; in the direct case we use LR
+         * and system_call_entry restores LR.  (We thus need to move
+         * LR to r10 in the RFID case too.)
+         */
+#define SYSCALL_PSERIES_2_DIRECT                                \
+        mflr    r10 ;                                           \
+        ld      r12,PACAKBASE(r13) ;                            \
+        LOAD_HANDLER(r12, system_call_entry_direct) ;           \
+        mtlr    r12 ;                                           \
+        mfspr   r12,SPRN_SRR1 ;                                 \
+        /* Re-use of r13... No spare regs to do this */ \
+        li      r13,MSR_RI ;                                    \
+        mtmsrd  r13,1 ;                                         \
+        GET_PACA(r13) ; /* get r13 back */                      \
+        blr ;
+#else
+        /* We can branch directly */
+#define SYSCALL_PSERIES_2_DIRECT                                \
+        mfspr   r12,SPRN_SRR1 ;                                 \
+        li      r10,MSR_RI ;                                    \
+        mtmsrd  r10,1 ;                 /* Set RI (EE=0) */     \
+        b       system_call_entry_direct ;
+#endif
 /*
 * This is the start of the interrupt handlers for pSeries
@@ -207,31 +271,11 @@ system_call_pSeries:
        KVMTEST(0xc00)
        GET_SCRATCH0(r13)
 #endif
-BEGIN_FTR_SECTION
+        SYSCALL_PSERIES_1
-        cmpdi   r0,0x1ebe
+        SYSCALL_PSERIES_2_RFID
-        beq-    1f
+        SYSCALL_PSERIES_3
-END_FTR_SECTION_IFSET(CPU_FTR_REAL_LE)
-        mr      r9,r13
-        GET_PACA(r13)
-        mfspr   r11,SPRN_SRR0
-        mfspr   r12,SPRN_SRR1
-        ld      r10,PACAKBASE(r13)
-        LOAD_HANDLER(r10, system_call_entry)
-        mtspr   SPRN_SRR0,r10
-        ld      r10,PACAKMSR(r13)
-        mtspr   SPRN_SRR1,r10
-        rfid
-        b       .       /* prevent speculative execution */
        KVM_HANDLER(PACA_EXGEN, EXC_STD, 0xc00)
-/* Fast LE/BE switch system call */
-1:      mfspr   r12,SPRN_SRR1
-        xori    r12,r12,MSR_LE
-        mtspr   SPRN_SRR1,r12
-        rfid            /* return to userspace */
-        b       .
        STD_EXCEPTION_PSERIES(0xd00, 0xd00, single_step)
        KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0xd00)
@@ -276,7 +320,7 @@ vsx_unavailable_pSeries_1:
        KVM_HANDLER_PR_SKIP(PACA_EXGEN, EXC_STD, 0x1300)
        . = 0x1500
-        .global denorm_Hypervisor
+        .global denorm_exception_hv
 denorm_exception_hv:
        HMT_MEDIUM
        mtspr   SPRN_SPRG_HSCRATCH0,r13
@@ -311,12 +355,14 @@ denorm_exception_hv:
 #ifdef CONFIG_CBE_RAS
        STD_EXCEPTION_HV(0x1800, 0x1802, cbe_thermal)
        KVM_HANDLER_SKIP(PACA_EXGEN, EXC_HV, 0x1802)
+#else
+        . = 0x1800
 #endif /* CONFIG_CBE_RAS */
-        . = 0x3000
 /*** Out of line interrupts support ***/
+        .align  7
        /* moved from 0x200 */
 machine_check_pSeries:
        .globl machine_check_fwnmi
@@ -575,16 +621,12 @@ slb_miss_user_pseries:
        b       .                               /* prevent spec. execution */
 #endif /* __DISABLED__ */
-        .align  7
-        .globl  __end_interrupts
-__end_interrupts:
 /*
 * Code from here down to __end_handlers is invoked from the
 * exception prologs above.  Because the prologs assemble the
 * addresses of these handlers using the LOAD_HANDLER macro,
- * which uses an addi instruction, these handlers must be in
+ * which uses an ori instruction, these handlers must be in
- * the first 32k of the kernel image.
+ * the first 64k of the kernel image.
 */
 /*** Common interrupt handlers ***/
@@ -613,8 +655,8 @@ machine_check_common:
        STD_EXCEPTION_COMMON(0xb00, trap_0b, .unknown_exception)
        STD_EXCEPTION_COMMON(0xd00, single_step, .single_step_exception)
        STD_EXCEPTION_COMMON(0xe00, trap_0e, .unknown_exception)
-        STD_EXCEPTION_COMMON(0xe40, emulation_assist, .program_check_exception)
+        STD_EXCEPTION_COMMON(0xe40, emulation_assist, .program_check_exception)
-        STD_EXCEPTION_COMMON(0xe60, hmi_exception, .unknown_exception)
+        STD_EXCEPTION_COMMON(0xe60, hmi_exception, .unknown_exception)
        STD_EXCEPTION_COMMON_ASYNC(0xf00, performance_monitor, .performance_monitor_exception)
        STD_EXCEPTION_COMMON(0x1300, instruction_breakpoint, .instruction_breakpoint_exception)
        STD_EXCEPTION_COMMON(0x1502, denorm, .unknown_exception)
@@ -629,7 +671,158 @@ machine_check_common:
        STD_EXCEPTION_COMMON(0x1800, cbe_thermal, .cbe_thermal_exception)
 #endif /* CONFIG_CBE_RAS */
+        /*
+         * Relocation-on interrupts: A subset of the interrupts can be delivered
+         * with IR=1/DR=1, if AIL==2 and MSR.HV won't be changed by delivering
+         * it.  Addresses are the same as the original interrupt addresses, but
+         * offset by 0xc000000000004000.
+         * It's impossible to receive interrupts below 0x300 via this mechanism.
+         * KVM: None of these traps are from the guest ; anything that escalated
+         * to HV=1 from HV=0 is delivered via real mode handlers.
+         */
+        /*
+         * This uses the standard macro, since the original 0x300 vector
+         * only has extra guff for STAB-based processors -- which never
+         * come here.
+         */
+        STD_RELON_EXCEPTION_PSERIES(0x4300, 0x300, data_access)
+        . = 0x4380
+        .globl data_access_slb_relon_pSeries
+data_access_slb_relon_pSeries:
+        HMT_MEDIUM
+        SET_SCRATCH0(r13)
+        EXCEPTION_PROLOG_1(PACA_EXSLB, NOTEST, 0x380)
+        std     r3,PACA_EXSLB+EX_R3(r13)
+        mfspr   r3,SPRN_DAR
+        mfspr   r12,SPRN_SRR1
+#ifndef CONFIG_RELOCATABLE
+        b       .slb_miss_realmode
+#else
+        /*
+         * We can't just use a direct branch to .slb_miss_realmode
+         * because the distance from here to there depends on where
+         * the kernel ends up being put.
+         */
+        mfctr   r11
+        ld      r10,PACAKBASE(r13)
+        LOAD_HANDLER(r10, .slb_miss_realmode)
+        mtctr   r10
+        bctr
+#endif
+        STD_RELON_EXCEPTION_PSERIES(0x4400, 0x400, instruction_access)
+        . = 0x4480
+        .globl instruction_access_slb_relon_pSeries
+instruction_access_slb_relon_pSeries:
+        HMT_MEDIUM
+        SET_SCRATCH0(r13)
+        EXCEPTION_PROLOG_1(PACA_EXSLB, NOTEST, 0x480)
+        std     r3,PACA_EXSLB+EX_R3(r13)
+        mfspr   r3,SPRN_SRR0            /* SRR0 is faulting address */
+        mfspr   r12,SPRN_SRR1
+#ifndef CONFIG_RELOCATABLE
+        b       .slb_miss_realmode
+#else
+        mfctr   r11
+        ld      r10,PACAKBASE(r13)
+        LOAD_HANDLER(r10, .slb_miss_realmode)
+        mtctr   r10
+        bctr
+#endif
+        . = 0x4500
+        .globl hardware_interrupt_relon_pSeries;
+        .globl hardware_interrupt_relon_hv;
+hardware_interrupt_relon_pSeries:
+hardware_interrupt_relon_hv:
+        BEGIN_FTR_SECTION
+                _MASKABLE_RELON_EXCEPTION_PSERIES(0x502, hardware_interrupt, EXC_HV, SOFTEN_TEST_HV)
+        FTR_SECTION_ELSE
+                _MASKABLE_RELON_EXCEPTION_PSERIES(0x500, hardware_interrupt, EXC_STD, SOFTEN_TEST_PR)
+        ALT_FTR_SECTION_END_IFSET(CPU_FTR_ARCH_206)
+        STD_RELON_EXCEPTION_PSERIES(0x4600, 0x600, alignment)
+        STD_RELON_EXCEPTION_PSERIES(0x4700, 0x700, program_check)
+        STD_RELON_EXCEPTION_PSERIES(0x4800, 0x800, fp_unavailable)
+        MASKABLE_RELON_EXCEPTION_PSERIES(0x4900, 0x900, decrementer)
+        STD_RELON_EXCEPTION_HV(0x4980, 0x982, hdecrementer)
+        STD_RELON_EXCEPTION_PSERIES(0x4b00, 0xb00, trap_0b)
+        . = 0x4c00
+        .globl system_call_relon_pSeries
+system_call_relon_pSeries:
+        HMT_MEDIUM
+        SYSCALL_PSERIES_1
+        SYSCALL_PSERIES_2_DIRECT
+        SYSCALL_PSERIES_3
+        STD_RELON_EXCEPTION_PSERIES(0x4d00, 0xd00, single_step)
+        . = 0x4e00
+        b       h_data_storage_relon_hv
+        . = 0x4e20
+        b       h_instr_storage_relon_hv
+        . = 0x4e40
+        b       emulation_assist_relon_hv
+        . = 0x4e50
+        b       hmi_exception_relon_hv
+        . = 0x4e60
+        b       hmi_exception_relon_hv
+        /* For when we support the doorbell interrupt:
+        STD_RELON_EXCEPTION_HYPERVISOR(0x4e80, 0xe80, doorbell_hyper)
+        */
+performance_monitor_relon_pSeries_1:
+        . = 0x4f00
+        b       performance_monitor_relon_pSeries
+altivec_unavailable_relon_pSeries_1:
+        . = 0x4f20
+        b       altivec_unavailable_relon_pSeries
+vsx_unavailable_relon_pSeries_1:
+        . = 0x4f40
+        b       vsx_unavailable_relon_pSeries
+#ifdef CONFIG_CBE_RAS
+        STD_RELON_EXCEPTION_HV(0x5200, 0x1202, cbe_system_error)
+#endif /* CONFIG_CBE_RAS */
+        STD_RELON_EXCEPTION_PSERIES(0x5300, 0x1300, instruction_breakpoint)
+#ifdef CONFIG_PPC_DENORMALISATION
+        . = 0x5500
+        b       denorm_exception_hv
+#endif
+#ifdef CONFIG_CBE_RAS
+        STD_RELON_EXCEPTION_HV(0x5600, 0x1602, cbe_maintenance)
+#else
+#ifdef CONFIG_HVC_SCOM
+        STD_RELON_EXCEPTION_HV(0x5600, 0x1600, maintence_interrupt)
+        KVM_HANDLER_SKIP(PACA_EXGEN, EXC_HV, 0x1600)
+#endif /* CONFIG_HVC_SCOM */
+#endif /* CONFIG_CBE_RAS */
+        STD_RELON_EXCEPTION_PSERIES(0x5700, 0x1700, altivec_assist)
+#ifdef CONFIG_CBE_RAS
+        STD_RELON_EXCEPTION_HV(0x5800, 0x1802, cbe_thermal)
+#endif /* CONFIG_CBE_RAS */
+        /* Other future vectors */
        .align  7
+        .globl  __end_interrupts
+__end_interrupts:
+        .align  7
+system_call_entry_direct:
+#if defined(CONFIG_RELOCATABLE)
+        /* The first level prologue may have used LR to get here, saving
+         * orig in r10.  To save hacking/ifdeffing common code, restore here.
+         */
+        mtlr    r10
+#endif
 system_call_entry:
        b       system_call_common
@@ -714,21 +907,21 @@ data_access_common:
        ld      r3,PACA_EXGEN+EX_DAR(r13)
        lwz     r4,PACA_EXGEN+EX_DSISR(r13)
        li      r5,0x300
-        b       .do_hash_page           /* Try to handle as hpte fault */
+        b       .do_hash_page           /* Try to handle as hpte fault */
        .align  7
-        .globl  h_data_storage_common
+        .globl  h_data_storage_common
 h_data_storage_common:
-        mfspr   r10,SPRN_HDAR
+        mfspr   r10,SPRN_HDAR
-        std     r10,PACA_EXGEN+EX_DAR(r13)
+        std     r10,PACA_EXGEN+EX_DAR(r13)
-        mfspr   r10,SPRN_HDSISR
+        mfspr   r10,SPRN_HDSISR
-        stw     r10,PACA_EXGEN+EX_DSISR(r13)
+        stw     r10,PACA_EXGEN+EX_DSISR(r13)
-        EXCEPTION_PROLOG_COMMON(0xe00, PACA_EXGEN)
+        EXCEPTION_PROLOG_COMMON(0xe00, PACA_EXGEN)
-        bl      .save_nvgprs
+        bl      .save_nvgprs
        DISABLE_INTS
-        addi    r3,r1,STACK_FRAME_OVERHEAD
+        addi    r3,r1,STACK_FRAME_OVERHEAD
-        bl      .unknown_exception
+        bl      .unknown_exception
-        b       .ret_from_except
+        b       .ret_from_except
        .align  7
        .globl instruction_access_common
@@ -741,7 +934,7 @@ instruction_access_common:
        li      r5,0x400
        b       .do_hash_page           /* Try to handle as hpte fault */
-        STD_EXCEPTION_COMMON(0xe20, h_instr_storage, .unknown_exception)
+        STD_EXCEPTION_COMMON(0xe20, h_instr_storage, .unknown_exception)
 /*
 * Here is the common SLB miss user that is used when going to virtual
@@ -1152,6 +1345,21 @@ _GLOBAL(do_stab_bolted)
        rfid
        b       .       /* prevent speculative execution */
+        /* Equivalents to the above handlers for relocation-on interrupt vectors */
+        STD_RELON_EXCEPTION_HV(., 0xe00, h_data_storage)
+        KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe00)
+        STD_RELON_EXCEPTION_HV(., 0xe20, h_instr_storage)
+        KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe20)
+        STD_RELON_EXCEPTION_HV(., 0xe40, emulation_assist)
+        KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe40)
+        STD_RELON_EXCEPTION_HV(., 0xe60, hmi_exception)
+        KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe60)
+        STD_RELON_EXCEPTION_PSERIES(., 0xf00, performance_monitor)
+        STD_RELON_EXCEPTION_PSERIES(., 0xf20, altivec_unavailable)
+        STD_RELON_EXCEPTION_PSERIES(., 0xf40, vsx_unavailable)
 #if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV)
 /*
 * Data area reserved for FWNMI option.
@@ -1164,7 +1372,7 @@ fwnmi_data_area:
        /* pseries and powernv need to keep the whole page from
         * 0x7000 to 0x8000 free for use by the firmware
         */
-        . = 0x8000
+        . = 0x8000
 #endif /* defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV) */
 /* Space for CPU0's segment table */
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 58bddee8e1e8..116f0868695b 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -422,7 +422,7 @@ _STATIC(__after_prom_start)
        tovirt(r6,r6)                   /* on booke, we already run at PAGE_OFFSET */
 #endif
-#ifdef CONFIG_CRASH_DUMP
+#ifdef CONFIG_RELOCATABLE
 /*
 * Check if the kernel has to be running as relocatable kernel based on the
 * variable __run_at_load, if it is set the kernel is treated as relocatable
@@ -432,7 +432,8 @@ _STATIC(__after_prom_start)
        cmplwi  cr0,r7,1
        bne     3f
-        li      r5,__end_interrupts - _stext    /* just copy interrupts */
+        /* just copy interrupts */
+        LOAD_REG_IMMEDIATE(r5, __end_interrupts - _stext)
        b       5f
 3:
 #endif
@@ -703,6 +704,7 @@ _INIT_STATIC(start_here_multiplatform)
 #ifdef CONFIG_PPC_EARLY_DEBUG_OPAL
        /* Setup OPAL entry */
+        LOAD_REG_ADDR(r11, opal)
        std     r28,0(r11);
        std     r29,8(r11);
 #endif
diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c
index 2099d9a879e8..ea78761aa169 100644
--- a/arch/powerpc/kernel/idle.c
+++ b/arch/powerpc/kernel/idle.c
@@ -55,9 +55,6 @@ __setup("powersave=off", powersave_off);
 */
 void cpu_idle(void)
 {
-        if (ppc_md.idle_loop)
-                ppc_md.idle_loop();     /* doesn't return */
        set_thread_flag(TIF_POLLING_NRFLAG);
        while (1) {
                tick_nohz_idle_enter();
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index 8226c6cb348a..c862fd716fe3 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -656,7 +656,7 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid)
        struct iommu_pool *p;
        /* number of bytes needed for the bitmap */
-        sz = (tbl->it_size + 7) >> 3;
+        sz = BITS_TO_LONGS(tbl->it_size) * sizeof(unsigned long);
        page = alloc_pages_node(nid, GFP_ATOMIC, get_order(sz));
        if (!page)
@@ -708,7 +708,7 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid)
 void iommu_free_table(struct iommu_table *tbl, const char *node_name)
 {
-        unsigned long bitmap_sz, i;
+        unsigned long bitmap_sz;
        unsigned int order;
        if (!tbl || !tbl->it_map) {
@@ -718,17 +718,11 @@ void iommu_free_table(struct iommu_table *tbl, const char *node_name)
        }
        /* verify that table contains no entries */
-        /* it_size is in entries, and we're examining 64 at a time */
+        if (!bitmap_empty(tbl->it_map, tbl->it_size))
-        for (i = 0; i < (tbl->it_size/64); i++) {
+                pr_warn("%s: Unexpected TCEs for %s\n", __func__, node_name);
-                if (tbl->it_map[i] != 0) {
-                        printk(KERN_WARNING "%s: Unexpected TCEs for %s\n",
-                                __func__, node_name);
-                        break;
-                }
-        }
        /* calculate bitmap size in bytes */
-        bitmap_sz = (tbl->it_size + 7) / 8;
+        bitmap_sz = BITS_TO_LONGS(tbl->it_size) * sizeof(unsigned long);
        /* free bitmap */
        order = get_order(bitmap_sz);
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index fa9f6c72f557..e1ec57e87b3b 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -218,23 +218,23 @@ static void __init export_crashk_values(struct device_node *node)
         * 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);
+                of_remove_property(node, prop);
        prop = of_find_property(node, "linux,crashkernel-size", NULL);
        if (prop)
-                prom_remove_property(node, prop);
+                of_remove_property(node, prop);
        if (crashk_res.start != 0) {
-                prom_add_property(node, &crashk_base_prop);
+                of_add_property(node, &crashk_base_prop);
                crashk_size = resource_size(&crashk_res);
-                prom_add_property(node, &crashk_size_prop);
+                of_add_property(node, &crashk_size_prop);
        }
        /*
         * memory_limit is required by the kexec-tools to limit the
         * crash regions to the actual memory used.
         */
-        prom_update_property(node, &memory_limit_prop);
+        of_update_property(node, &memory_limit_prop);
 }
 static int __init kexec_setup(void)
@@ -249,11 +249,11 @@ static int __init kexec_setup(void)
        /* remove any stale properties so ours can be found */
        prop = of_find_property(node, kernel_end_prop.name, NULL);
        if (prop)
-                prom_remove_property(node, prop);
+                of_remove_property(node, prop);
        /* information needed by userspace when using default_machine_kexec */
        kernel_end = __pa(_end);
-        prom_add_property(node, &kernel_end_prop);
+        of_add_property(node, &kernel_end_prop);
        export_crashk_values(node);
diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c
index d7f609086a99..7206701b1ff1 100644
--- a/arch/powerpc/kernel/machine_kexec_64.c
+++ b/arch/powerpc/kernel/machine_kexec_64.c
@@ -389,14 +389,14 @@ static int __init export_htab_values(void)
        /* remove any stale propertys so ours can be found */
        prop = of_find_property(node, htab_base_prop.name, NULL);
        if (prop)
-                prom_remove_property(node, prop);
+                of_remove_property(node, prop);
        prop = of_find_property(node, htab_size_prop.name, NULL);
        if (prop)
-                prom_remove_property(node, prop);
+                of_remove_property(node, prop);
        htab_base = __pa(htab_address);
-        prom_add_property(node, &htab_base_prop);
+        of_add_property(node, &htab_base_prop);
-        prom_add_property(node, &htab_size_prop);
+        of_add_property(node, &htab_size_prop);
        of_node_put(node);
        return 0;
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index 4b06ec5a502e..64f526a321f5 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -208,7 +208,7 @@ pci_create_OF_bus_map(void)
                of_prop->name = "pci-OF-bus-map";
                of_prop->length = 256;
                of_prop->value = &of_prop[1];
-                prom_add_property(dn, of_prop);
+                of_add_property(dn, of_prop);
                of_node_put(dn);
        }
 }
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 37725e86651e..8b6f7a99cce2 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -32,6 +32,7 @@
 #include <linux/debugfs.h>
 #include <linux/irq.h>
 #include <linux/memblock.h>
+#include <linux/of.h>
 #include <asm/prom.h>
 #include <asm/rtas.h>
@@ -49,11 +50,11 @@
 #include <asm/btext.h>
 #include <asm/sections.h>
 #include <asm/machdep.h>
-#include <asm/pSeries_reconfig.h>
 #include <asm/pci-bridge.h>
 #include <asm/kexec.h>
 #include <asm/opal.h>
 #include <asm/fadump.h>
+#include <asm/debug.h>
 #include <mm/mmu_decl.h>
@@ -802,7 +803,7 @@ static int prom_reconfig_notifier(struct notifier_block *nb,
        int err;
        switch (action) {
-        case PSERIES_RECONFIG_ADD:
+        case OF_RECONFIG_ATTACH_NODE:
                err = of_finish_dynamic_node(node);
                if (err < 0)
                        printk(KERN_ERR "finish_node returned %d\n", err);
@@ -821,7 +822,7 @@ static struct notifier_block prom_reconfig_nb = {
 static int __init prom_reconfig_setup(void)
 {
-        return pSeries_reconfig_notifier_register(&prom_reconfig_nb);
+        return of_reconfig_notifier_register(&prom_reconfig_nb);
 }
 __initcall(prom_reconfig_setup);
 #endif
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index cb6c123722a2..779f34049a56 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -671,6 +671,7 @@ static void __init early_cmdline_parse(void)
 #define OV1_PPC_2_04            0x08    /* set if we support PowerPC 2.04 */
 #define OV1_PPC_2_05            0x04    /* set if we support PowerPC 2.05 */
 #define OV1_PPC_2_06            0x02    /* set if we support PowerPC 2.06 */
+#define OV1_PPC_2_07            0x01    /* set if we support PowerPC 2.07 */
 /* Option vector 2: Open Firmware options supported */
 #define OV2_REAL_MODE           0x20    /* set if we want OF in real mode */
@@ -707,6 +708,7 @@ static void __init early_cmdline_parse(void)
 #define OV5_PFO_HW_RNG          0x80    /* PFO Random Number Generator */
 #define OV5_PFO_HW_842          0x40    /* PFO Compression Accelerator */
 #define OV5_PFO_HW_ENCR         0x20    /* PFO Encryption Accelerator */
+#define OV5_SUB_PROCESSORS      0x01    /* 1,2,or 4 Sub-Processors supported */
 /* Option Vector 6: IBM PAPR hints */
 #define OV6_LINUX               0x02    /* Linux is our OS */
@@ -719,6 +721,8 @@ static unsigned char ibm_architecture_vec[] = {
        W(0xfffe0000), W(0x003a0000),   /* POWER5/POWER5+ */
        W(0xffff0000), W(0x003e0000),   /* POWER6 */
        W(0xffff0000), W(0x003f0000),   /* POWER7 */
+        W(0xffff0000), W(0x004b0000),   /* POWER8 */
+        W(0xffffffff), W(0x0f000004),   /* all 2.07-compliant */
        W(0xffffffff), W(0x0f000003),   /* all 2.06-compliant */
        W(0xffffffff), W(0x0f000002),   /* all 2.05-compliant */
        W(0xfffffffe), W(0x0f000001),   /* all 2.04-compliant and earlier */
@@ -728,7 +732,7 @@ static unsigned char ibm_architecture_vec[] = {
        3 - 2,                          /* length */
        0,                              /* don't ignore, don't halt */
        OV1_PPC_2_00 | OV1_PPC_2_01 | OV1_PPC_2_02 | OV1_PPC_2_03 |
-        OV1_PPC_2_04 | OV1_PPC_2_05 | OV1_PPC_2_06,
+        OV1_PPC_2_04 | OV1_PPC_2_05 | OV1_PPC_2_06 | OV1_PPC_2_07,
        /* option vector 2: Open Firmware options supported */
        34 - 2,                         /* length */
@@ -755,7 +759,7 @@ static unsigned char ibm_architecture_vec[] = {
        OV4_MIN_ENT_CAP,                /* minimum VP entitled capacity */
        /* option vector 5: PAPR/OF options */
-        18 - 2,                         /* length */
+        19 - 2,                         /* length */
        0,                              /* don't ignore, don't halt */
        OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY |
        OV5_DONATE_DEDICATE_CPU | OV5_MSI,
@@ -769,13 +773,14 @@ static unsigned char ibm_architecture_vec[] = {
         * must match by the macro below. Update the definition if
         * the structure layout changes.
         */
-#define IBM_ARCH_VEC_NRCORES_OFFSET     101
+#define IBM_ARCH_VEC_NRCORES_OFFSET     117
        W(NR_CPUS),                     /* number of cores supported */
        0,
        0,
        0,
        0,
        OV5_PFO_HW_RNG | OV5_PFO_HW_ENCR | OV5_PFO_HW_842,
+        OV5_SUB_PROCESSORS,
        /* option vector 6: IBM PAPR hints */
        4 - 2,                          /* length */
        0,
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 79d8e56470df..c4970004d44d 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -952,6 +952,10 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr,
                arch_bp_generic_fields(data &
                                        (DABR_DATA_WRITE | DABR_DATA_READ),
                                                        &attr.bp_type);
+                /* Enable breakpoint */
+                attr.disabled = false;
                ret =  modify_user_hw_breakpoint(bp, &attr);
                if (ret) {
                        ptrace_put_breakpoints(task);
@@ -1037,7 +1041,7 @@ void ptrace_disable(struct task_struct *child)
 }
 #ifdef CONFIG_PPC_ADV_DEBUG_REGS
-static long set_intruction_bp(struct task_struct *child,
+static long set_instruction_bp(struct task_struct *child,
                              struct ppc_hw_breakpoint *bp_info)
 {
        int slot;
@@ -1338,6 +1342,12 @@ static int set_dac_range(struct task_struct *child,
 static long ppc_set_hwdebug(struct task_struct *child,
                     struct ppc_hw_breakpoint *bp_info)
 {
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+        int len = 0;
+        struct thread_struct *thread = &(child->thread);
+        struct perf_event *bp;
+        struct perf_event_attr attr;
+#endif /* CONFIG_HAVE_HW_BREAKPOINT */
 #ifndef CONFIG_PPC_ADV_DEBUG_REGS
        unsigned long dabr;
 #endif
@@ -1365,7 +1375,7 @@ static long ppc_set_hwdebug(struct task_struct *child,
                if ((bp_info->trigger_type != PPC_BREAKPOINT_TRIGGER_EXECUTE) ||
                    (bp_info->condition_mode != PPC_BREAKPOINT_CONDITION_NONE))
                        return -EINVAL;
-                return set_intruction_bp(child, bp_info);
+                return set_instruction_bp(child, bp_info);
        }
        if (bp_info->addr_mode == PPC_BREAKPOINT_MODE_EXACT)
                return set_dac(child, bp_info);
@@ -1381,13 +1391,9 @@ static long ppc_set_hwdebug(struct task_struct *child,
         */
        if ((bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_RW) == 0 ||
            (bp_info->trigger_type & ~PPC_BREAKPOINT_TRIGGER_RW) != 0 ||
-            bp_info->addr_mode != PPC_BREAKPOINT_MODE_EXACT ||
            bp_info->condition_mode != PPC_BREAKPOINT_CONDITION_NONE)
                return -EINVAL;
-        if (child->thread.dabr)
-                return -ENOSPC;
        if ((unsigned long)bp_info->addr >= TASK_SIZE)
                return -EIO;
@@ -1397,6 +1403,50 @@ static long ppc_set_hwdebug(struct task_struct *child,
                dabr |= DABR_DATA_READ;
        if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_WRITE)
                dabr |= DABR_DATA_WRITE;
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+        if (ptrace_get_breakpoints(child) < 0)
+                return -ESRCH;
+        /*
+         * Check if the request is for 'range' breakpoints. We can
+         * support it if range < 8 bytes.
+         */
+        if (bp_info->addr_mode == PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE) {
+                len = bp_info->addr2 - bp_info->addr;
+        } else if (bp_info->addr_mode != PPC_BREAKPOINT_MODE_EXACT) {
+                ptrace_put_breakpoints(child);
+                return -EINVAL;
+        }
+        bp = thread->ptrace_bps[0];
+        if (bp) {
+                ptrace_put_breakpoints(child);
+                return -ENOSPC;
+        }
+        /* Create a new breakpoint request if one doesn't exist already */
+        hw_breakpoint_init(&attr);
+        attr.bp_addr = (unsigned long)bp_info->addr & ~HW_BREAKPOINT_ALIGN;
+        attr.bp_len = len;
+        arch_bp_generic_fields(dabr & (DABR_DATA_WRITE | DABR_DATA_READ),
+                                                                &attr.bp_type);
+        thread->ptrace_bps[0] = bp = register_user_hw_breakpoint(&attr,
+                                               ptrace_triggered, NULL, child);
+        if (IS_ERR(bp)) {
+                thread->ptrace_bps[0] = NULL;
+                ptrace_put_breakpoints(child);
+                return PTR_ERR(bp);
+        }
+        ptrace_put_breakpoints(child);
+        return 1;
+#endif /* CONFIG_HAVE_HW_BREAKPOINT */
+        if (bp_info->addr_mode != PPC_BREAKPOINT_MODE_EXACT)
+                return -EINVAL;
+        if (child->thread.dabr)
+                return -ENOSPC;
        child->thread.dabr = dabr;
        child->thread.dabrx = DABRX_ALL;
@@ -1405,8 +1455,13 @@ static long ppc_set_hwdebug(struct task_struct *child,
 #endif /* !CONFIG_PPC_ADV_DEBUG_DVCS */
 }
-static long ppc_del_hwdebug(struct task_struct *child, long addr, long data)
+static long ppc_del_hwdebug(struct task_struct *child, long data)
 {
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+        int ret = 0;
+        struct thread_struct *thread = &(child->thread);
+        struct perf_event *bp;
+#endif /* CONFIG_HAVE_HW_BREAKPOINT */
 #ifdef CONFIG_PPC_ADV_DEBUG_REGS
        int rc;
@@ -1426,10 +1481,25 @@ static long ppc_del_hwdebug(struct task_struct *child, long addr, long data)
 #else
        if (data != 1)
                return -EINVAL;
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+        if (ptrace_get_breakpoints(child) < 0)
+                return -ESRCH;
+        bp = thread->ptrace_bps[0];
+        if (bp) {
+                unregister_hw_breakpoint(bp);
+                thread->ptrace_bps[0] = NULL;
+        } else
+                ret = -ENOENT;
+        ptrace_put_breakpoints(child);
+        return ret;
+#else /* CONFIG_HAVE_HW_BREAKPOINT */
        if (child->thread.dabr == 0)
                return -ENOENT;
        child->thread.dabr = 0;
+#endif /* CONFIG_HAVE_HW_BREAKPOINT */
        return 0;
 #endif
@@ -1536,7 +1606,11 @@ long arch_ptrace(struct task_struct *child, long request,
                dbginfo.data_bp_alignment = 4;
 #endif
                dbginfo.sizeof_condition = 0;
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+                dbginfo.features = PPC_DEBUG_FEATURE_DATA_BP_RANGE;
+#else
                dbginfo.features = 0;
+#endif /* CONFIG_HAVE_HW_BREAKPOINT */
 #endif /* CONFIG_PPC_ADV_DEBUG_REGS */
                if (!access_ok(VERIFY_WRITE, datavp,
@@ -1563,7 +1637,7 @@ long arch_ptrace(struct task_struct *child, long request,
        }
        case PPC_PTRACE_DELHWDEBUG: {
-                ret = ppc_del_hwdebug(child, addr, data);
+                ret = ppc_del_hwdebug(child, data);
                break;
        }
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index fcec38241f79..1fd6e7b2f390 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -42,7 +42,6 @@
 #include <asm/time.h>
 #include <asm/mmu.h>
 #include <asm/topology.h>
-#include <asm/pSeries_reconfig.h>
 struct rtas_t rtas = {
        .lock = __ARCH_SPIN_LOCK_UNLOCKED
diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c
index 20b0120db0c3..8329190312c1 100644
--- a/arch/powerpc/kernel/rtas_flash.c
+++ b/arch/powerpc/kernel/rtas_flash.c
@@ -650,10 +650,8 @@ static int initialize_flash_pde_data(const char *rtas_call_name,
        int token;
        dp->data = kzalloc(buf_size, GFP_KERNEL);
-        if (dp->data == NULL) {
+        if (dp->data == NULL)
-                remove_flash_pde(dp);
                return -ENOMEM;
-        }
        /*
         * This code assumes that the status int is the first member of the
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index efb6a41b3131..6da881b35dac 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -601,6 +601,11 @@ void __init setup_arch(char **cmdline_p)
        kvm_linear_init();
+        /* Interrupt code needs to be 64K-aligned */
+        if ((unsigned long)_stext & 0xffff)
+                panic("Kernelbase not 64K-aligned (0x%lx)!\n",
+                      (unsigned long)_stext);
        ppc64_boot_msg(0x15, "Setup Done");
 }
diff --git a/arch/powerpc/kernel/udbg.c b/arch/powerpc/kernel/udbg.c
index c39c1ca77f46..f9748498fe58 100644
--- a/arch/powerpc/kernel/udbg.c
+++ b/arch/powerpc/kernel/udbg.c
@@ -122,29 +122,6 @@ int udbg_write(const char *s, int n)
        return n - remain;
 }
-int udbg_read(char *buf, int buflen)
-{
-        char *p = buf;
-        int i, c;
-        if (!udbg_getc)
-                return 0;
-        for (i = 0; i < buflen; ++i) {
-                do {
-                        c = udbg_getc();
-                        if (c == -1 && i == 0)
-                                return -1;
-                } while (c == 0x11 || c == 0x13);
-                if (c == 0 || c == -1)
-                        break;
-                *p++ = c;
-        }
-        return i;
-}
 #define UDBG_BUFSIZE 256
 void udbg_printf(const char *fmt, ...)
 {
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 59213cfaeca9..bba87ca2b4d7 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -399,18 +399,6 @@ static unsigned long read_n_cells(int n, const unsigned int **buf)
        return result;
 }
-struct of_drconf_cell {
-        u64     base_addr;
-        u32     drc_index;
-        u32     reserved;
-        u32     aa_index;
-        u32     flags;
-};
-#define DRCONF_MEM_ASSIGNED     0x00000008
-#define DRCONF_MEM_AI_INVALID   0x00000040
-#define DRCONF_MEM_RESERVED     0x00000080
 /*
 * Read the next memblock list entry from the ibm,dynamic-memory property
 * and return the information in the provided of_drconf_cell structure.
diff --git a/arch/powerpc/mm/tlb_nohash_low.S b/arch/powerpc/mm/tlb_nohash_low.S
index fab919fd1384..626ad081639f 100644
--- a/arch/powerpc/mm/tlb_nohash_low.S
+++ b/arch/powerpc/mm/tlb_nohash_low.S
@@ -191,12 +191,6 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_TYPE_47x)
 #ifdef CONFIG_PPC_47x
 /*
- * 47x variant of icbt
- */
-# define ICBT(CT,RA,RB) \
-        .long   0x7c00002c | ((CT) << 21) | ((RA) << 16) | ((RB) << 11)
-/*
 * _tlbivax_bcast is only on 47x. We don't bother doing a runtime
 * check though, it will blow up soon enough if we mistakenly try
 * to use it on a 440.
@@ -208,8 +202,7 @@ _GLOBAL(_tlbivax_bcast)
        wrteei  0
        mtspr   SPRN_MMUCR,r5
        isync
-/*      tlbivax 0,r3 - use .long to avoid binutils deps */
+        PPC_TLBIVAX(0, R3)
-        .long 0x7c000624 | (r3 << 11)
        isync
        eieio
        tlbsync
@@ -227,11 +220,11 @@ END_FTR_SECTION_IFSET(CPU_FTR_476_DD2)
        bl      2f
 2:      mflr    r6
        li      r7,32
-        ICBT(0,r6,r7)           /* touch next cache line */
+        PPC_ICBT(0,R6,R7)               /* touch next cache line */
        add     r6,r6,r7
-        ICBT(0,r6,r7)           /* touch next cache line */
+        PPC_ICBT(0,R6,R7)               /* touch next cache line */
        add     r6,r6,r7
-        ICBT(0,r6,r7)           /* touch next cache line */
+        PPC_ICBT(0,R6,R7)               /* touch next cache line */
        sync
        nop
        nop
diff --git a/arch/powerpc/perf/power7-pmu.c b/arch/powerpc/perf/power7-pmu.c
index 441af08edf43..2ee01e38d5e2 100644
--- a/arch/powerpc/perf/power7-pmu.c
+++ b/arch/powerpc/perf/power7-pmu.c
@@ -54,8 +54,10 @@
 * Layout of constraint bits:
 * 6666555555555544444444443333333333222222222211111111110000000000
 * 3210987654321098765432109876543210987654321098765432109876543210
- *                                                 [  ><><><><><><>
+ *                                              < ><  ><><><><><><>
- *                                                  NC P6P5P4P3P2P1
+ *                                              L2  NC P6P5P4P3P2P1
+ *
+ * L2 - 16-18 - Required L2SEL value (select field)
 *
 * NC - number of counters
 *     15: NC error 0x8000
@@ -72,7 +74,7 @@
 static int power7_get_constraint(u64 event, unsigned long *maskp,
                                 unsigned long *valp)
 {
-        int pmc, sh;
+        int pmc, sh, unit;
        unsigned long mask = 0, value = 0;
        pmc = (event >> PM_PMC_SH) & PM_PMC_MSK;
@@ -90,6 +92,15 @@ static int power7_get_constraint(u64 event, unsigned long *maskp,
                mask  |= 0x8000;
                value |= 0x1000;
        }
+        unit = (event >> PM_UNIT_SH) & PM_UNIT_MSK;
+        if (unit == 6) {
+                /* L2SEL must be identical across events */
+                int l2sel = (event >> PM_L2SEL_SH) & PM_L2SEL_MSK;
+                mask  |= 0x7 << 16;
+                value |= l2sel << 16;
+        }
        *maskp = mask;
        *valp = value;
        return 0;
diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig
index b62508b113db..c16999802ecf 100644
--- a/arch/powerpc/platforms/512x/Kconfig
+++ b/arch/powerpc/platforms/512x/Kconfig
@@ -2,7 +2,6 @@ config PPC_MPC512x
        bool "512x-based boards"
        depends on 6xx
        select FSL_SOC
-        select FB_FSL_DIU
        select IPIC
        select PPC_CLOCK
        select PPC_PCI_CHOICE
diff --git a/arch/powerpc/platforms/512x/mpc5121_ads.c b/arch/powerpc/platforms/512x/mpc5121_ads.c
index dcef6ade48e1..0a134e0469ef 100644
--- a/arch/powerpc/platforms/512x/mpc5121_ads.c
+++ b/arch/powerpc/platforms/512x/mpc5121_ads.c
@@ -42,7 +42,10 @@ static void __init mpc5121_ads_setup_arch(void)
        for_each_compatible_node(np, "pci", "fsl,mpc5121-pci")
                mpc83xx_add_bridge(np);
 #endif
+#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE)
        mpc512x_setup_diu();
+#endif
 }
 static void __init mpc5121_ads_init_IRQ(void)
diff --git a/arch/powerpc/platforms/512x/mpc512x.h b/arch/powerpc/platforms/512x/mpc512x.h
index 1ab6d11d0b19..c32b399eb952 100644
--- a/arch/powerpc/platforms/512x/mpc512x.h
+++ b/arch/powerpc/platforms/512x/mpc512x.h
@@ -16,6 +16,13 @@ extern void __init mpc512x_init(void);
 extern int __init mpc5121_clk_init(void);
 void __init mpc512x_declare_of_platform_devices(void);
 extern void mpc512x_restart(char *cmd);
-extern void mpc512x_init_diu(void);
-extern void mpc512x_setup_diu(void);
+#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE)
+void mpc512x_init_diu(void);
+void mpc512x_setup_diu(void);
+#else
+#define mpc512x_init_diu NULL
+#define mpc512x_setup_diu NULL
+#endif
 #endif                          /* __MPC512X_H__ */
diff --git a/arch/powerpc/platforms/512x/mpc512x_shared.c b/arch/powerpc/platforms/512x/mpc512x_shared.c
index 1650e090ef3a..35f14fda108a 100644
--- a/arch/powerpc/platforms/512x/mpc512x_shared.c
+++ b/arch/powerpc/platforms/512x/mpc512x_shared.c
@@ -58,6 +58,8 @@ void mpc512x_restart(char *cmd)
                ;
 }
+#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE)
 struct fsl_diu_shared_fb {
        u8              gamma[0x300];   /* 32-bit aligned! */
        struct diu_ad   ad0;            /* 32-bit aligned! */
@@ -66,25 +68,6 @@ struct fsl_diu_shared_fb {
        bool            in_use;
 };
-u32 mpc512x_get_pixel_format(enum fsl_diu_monitor_port port,
-                             unsigned int bits_per_pixel)
-{
-        switch (bits_per_pixel) {
-        case 32:
-                return 0x88883316;
-        case 24:
-                return 0x88082219;
-        case 16:
-                return 0x65053118;
-        }
-        return 0x00000400;
-}
-void mpc512x_set_gamma_table(enum fsl_diu_monitor_port port,
-                             char *gamma_table_base)
-{
-}
 void mpc512x_set_monitor_port(enum fsl_diu_monitor_port port)
 {
 }
@@ -320,14 +303,14 @@ void __init mpc512x_setup_diu(void)
                }
        }
-        diu_ops.get_pixel_format        = mpc512x_get_pixel_format;
-        diu_ops.set_gamma_table         = mpc512x_set_gamma_table;
        diu_ops.set_monitor_port        = mpc512x_set_monitor_port;
        diu_ops.set_pixel_clock         = mpc512x_set_pixel_clock;
        diu_ops.valid_monitor_port      = mpc512x_valid_monitor_port;
        diu_ops.release_bootmem         = mpc512x_release_bootmem;
 }
+#endif
 void __init mpc512x_init_IRQ(void)
 {
        struct device_node *np;
diff --git a/arch/powerpc/platforms/52xx/lite5200.c b/arch/powerpc/platforms/52xx/lite5200.c
index 448d862bcf3d..1843bc932011 100644
--- a/arch/powerpc/platforms/52xx/lite5200.c
+++ b/arch/powerpc/platforms/52xx/lite5200.c
@@ -4,7 +4,7 @@
 * Written by: Grant Likely <grant.likely@secretlab.ca>
 *
 * Copyright (C) Secret Lab Technologies Ltd. 2006. All rights reserved.
- * Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved.
+ * Copyright 2006 Freescale Semiconductor, Inc. All rights reserved.
 *
 * Description:
 * This program is free software; you can redistribute  it and/or modify it
diff --git a/arch/powerpc/platforms/52xx/mpc5200_simple.c b/arch/powerpc/platforms/52xx/mpc5200_simple.c
index 9cf36020cf0d..792a301a0bf0 100644
--- a/arch/powerpc/platforms/52xx/mpc5200_simple.c
+++ b/arch/powerpc/platforms/52xx/mpc5200_simple.c
@@ -50,6 +50,7 @@ static void __init mpc5200_simple_setup_arch(void)
 /* list of the supported boards */
 static const char *board[] __initdata = {
+        "anonymous,a3m071",
        "anonymous,a4m072",
        "anon,charon",
        "ifm,o2d",
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
index 2351f9e0fb6f..16150fa430f9 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
@@ -578,18 +578,4 @@ static struct platform_driver mpc52xx_lpbfifo_driver = {
        .probe = mpc52xx_lpbfifo_probe,
        .remove = __devexit_p(mpc52xx_lpbfifo_remove),
 };
+module_platform_driver(mpc52xx_lpbfifo_driver);
-/***********************************************************************
- * Module init/exit
- */
-static int __init mpc52xx_lpbfifo_init(void)
-{
-        return platform_driver_register(&mpc52xx_lpbfifo_driver);
-}
-module_init(mpc52xx_lpbfifo_init);
-static void __exit mpc52xx_lpbfifo_exit(void)
-{
-        platform_driver_unregister(&mpc52xx_lpbfifo_driver);
-}
-module_exit(mpc52xx_lpbfifo_exit);
diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
index 328d221fd1c0..74861a7fb807 100644
--- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
+++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
@@ -16,7 +16,6 @@
 #include <linux/spinlock.h>
 #include <linux/irq.h>
 #include <linux/types.h>
-#include <linux/bootmem.h>
 #include <linux/slab.h>
 #include <asm/io.h>
@@ -149,7 +148,7 @@ int __init pq2ads_pci_init_irq(void)
        priv->regs = of_iomap(np, 0);
        if (!priv->regs) {
                printk(KERN_ERR "Cannot map PCI PIC registers.\n");
-                goto out_free_bootmem;
+                goto out_free_kmalloc;
        }
        /* mask all PCI interrupts */
@@ -171,9 +170,8 @@ int __init pq2ads_pci_init_irq(void)
 out_unmap_regs:
        iounmap(priv->regs);
-out_free_bootmem:
+out_free_kmalloc:
-        free_bootmem((unsigned long)priv,
+        kfree(priv);
-                     sizeof(struct pq2ads_pci_pic));
        of_node_put(np);
 out_unmap_irq:
        irq_dispose_mapping(irq);
diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c
index d440435e055c..8d762203eeff 100644
--- a/arch/powerpc/platforms/83xx/mpc832x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved.
+ * Copyright 2006 Freescale Semiconductor, Inc. All rights reserved.
 *
 * Description:
 * MPC832xE MDS board specific routines.
diff --git a/arch/powerpc/platforms/83xx/mpc836x_mds.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c
index 1b1f6c8a1a12..1a26d2f83401 100644
--- a/arch/powerpc/platforms/83xx/mpc836x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc836x_mds.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved.
+ * Copyright 2006 Freescale Semiconductor, Inc. All rights reserved.
 *
 * Author: Li Yang <LeoLi@freescale.com>
 *         Yin Olivia <Hong-hua.Yin@freescale.com>
diff --git a/arch/powerpc/platforms/83xx/mpc836x_rdk.c b/arch/powerpc/platforms/83xx/mpc836x_rdk.c
index f8769d713d61..b63b42d11d6c 100644
--- a/arch/powerpc/platforms/83xx/mpc836x_rdk.c
+++ b/arch/powerpc/platforms/83xx/mpc836x_rdk.c
@@ -1,7 +1,7 @@
 /*
 * MPC8360E-RDK board file.
 *
- * Copyright (c) 2006  Freescale Semicondutor, Inc.
+ * Copyright (c) 2006  Freescale Semiconductor, Inc.
 * Copyright (c) 2007-2008  MontaVista Software, Inc.
 *
 * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
diff --git a/arch/powerpc/platforms/83xx/mpc837x_rdb.c b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
index eca1f0960fff..9813c81e8e5b 100644
--- a/arch/powerpc/platforms/83xx/mpc837x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
@@ -1,7 +1,7 @@
 /*
 * arch/powerpc/platforms/83xx/mpc837x_rdb.c
 *
- * Copyright (C) 2007 Freescale Semicondutor, Inc. All rights reserved.
+ * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
 *
 * MPC837x RDB board specific routines
 *
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index 8498f7323470..bd12588fa252 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2010, 2012 Freescale Semicondutor, Inc.
+ * Copyright (C) 2006-2010, 2012 Freescale Semiconductor, Inc.
 * All rights reserved.
 *
 * Author: Andy Fleming <afleming@freescale.com>
diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c
index 848a3e98e1c1..7328b8d74129 100644
--- a/arch/powerpc/platforms/85xx/p1022_ds.c
+++ b/arch/powerpc/platforms/85xx/p1022_ds.c
@@ -249,7 +249,7 @@ static void p1022ds_set_monitor_port(enum fsl_diu_monitor_port port)
                goto exit;
        }
-        iprop = of_get_property(law_node, "fsl,num-laws", 0);
+        iprop = of_get_property(law_node, "fsl,num-laws", NULL);
        if (!iprop) {
                pr_err("p1022ds: LAW node is missing fsl,num-laws property\n");
                goto exit;
@@ -539,7 +539,7 @@ static void __init p1022_ds_setup_arch(void)
                                };
                                /*
-                                 * prom_update_property() is called before
+                                 * of_update_property() is called before
                                 * kmalloc() is available, so the 'new' object
                                 * should be allocated in the global area.
                                 * The easiest way is to do that is to
@@ -548,7 +548,7 @@ static void __init p1022_ds_setup_arch(void)
                                 */
                                pr_info("p1022ds: disabling %s node",
                                        np2->full_name);
-                                prom_update_property(np2, &nor_status);
+                                of_update_property(np2, &nor_status);
                                of_node_put(np2);
                        }
@@ -564,7 +564,7 @@ static void __init p1022_ds_setup_arch(void)
                                pr_info("p1022ds: disabling %s node",
                                        np2->full_name);
-                                prom_update_property(np2, &nand_status);
+                                of_update_property(np2, &nand_status);
                                of_node_put(np2);
                        }
diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c
index 6fcfa12e5c56..148c2f2d9780 100644
--- a/arch/powerpc/platforms/85xx/smp.c
+++ b/arch/powerpc/platforms/85xx/smp.c
@@ -128,6 +128,19 @@ static void __cpuinit smp_85xx_mach_cpu_die(void)
 }
 #endif
+static inline void flush_spin_table(void *spin_table)
+{
+        flush_dcache_range((ulong)spin_table,
+                (ulong)spin_table + sizeof(struct epapr_spin_table));
+}
+static inline u32 read_spin_table_addr_l(void *spin_table)
+{
+        flush_dcache_range((ulong)spin_table,
+                (ulong)spin_table + sizeof(struct epapr_spin_table));
+        return in_be32(&((struct epapr_spin_table *)spin_table)->addr_l);
+}
 static int __cpuinit smp_85xx_kick_cpu(int nr)
 {
        unsigned long flags;
@@ -161,8 +174,8 @@ static int __cpuinit smp_85xx_kick_cpu(int nr)
        /* Map the spin table */
        if (ioremappable)
-                spin_table = ioremap(*cpu_rel_addr,
+                spin_table = ioremap_prot(*cpu_rel_addr,
-                                sizeof(struct epapr_spin_table));
+                        sizeof(struct epapr_spin_table), _PAGE_COHERENT);
        else
                spin_table = phys_to_virt(*cpu_rel_addr);
@@ -173,7 +186,16 @@ static int __cpuinit smp_85xx_kick_cpu(int nr)
        generic_set_cpu_up(nr);
        if (system_state == SYSTEM_RUNNING) {
+                /*
+                 * To keep it compatible with old boot program which uses
+                 * cache-inhibit spin table, we need to flush the cache
+                 * before accessing spin table to invalidate any staled data.
+                 * We also need to flush the cache after writing to spin
+                 * table to push data out.
+                 */
+                flush_spin_table(spin_table);
                out_be32(&spin_table->addr_l, 0);
+                flush_spin_table(spin_table);
                /*
                 * We don't set the BPTR register here since it already points
@@ -181,9 +203,14 @@ static int __cpuinit smp_85xx_kick_cpu(int nr)
                 */
                mpic_reset_core(hw_cpu);
-                /* wait until core is ready... */
+                /*
-                if (!spin_event_timeout(in_be32(&spin_table->addr_l) == 1,
+                 * wait until core is ready...
-                                                10000, 100)) {
+                 * We need to invalidate the stale data, in case the boot
+                 * loader uses a cache-inhibited spin table.
+                 */
+                if (!spin_event_timeout(
+                                read_spin_table_addr_l(spin_table) == 1,
+                                10000, 100)) {
                        pr_err("%s: timeout waiting for core %d to reset\n",
                                                        __func__, hw_cpu);
                        ret = -ENOENT;
@@ -194,12 +221,10 @@ static int __cpuinit smp_85xx_kick_cpu(int nr)
                __secondary_hold_acknowledge = -1;
        }
 #endif
+        flush_spin_table(spin_table);
        out_be32(&spin_table->pir, hw_cpu);
        out_be32(&spin_table->addr_l, __pa(__early_start));
+        flush_spin_table(spin_table);
-        if (!ioremappable)
-                flush_dcache_range((ulong)spin_table,
-                        (ulong)spin_table + sizeof(struct epapr_spin_table));
        /* Wait a bit for the CPU to ack. */
        if (!spin_event_timeout(__secondary_hold_acknowledge == hw_cpu,
@@ -213,13 +238,11 @@ out:
 #else
        smp_generic_kick_cpu(nr);
+        flush_spin_table(spin_table);
        out_be32(&spin_table->pir, hw_cpu);
        out_be64((u64 *)(&spin_table->addr_h),
          __pa((u64)*((unsigned long long *)generic_secondary_smp_init)));
+        flush_spin_table(spin_table);
-        if (!ioremappable)
-                flush_dcache_range((ulong)spin_table,
-                        (ulong)spin_table + sizeof(struct epapr_spin_table));
 #endif
        local_irq_restore(flags);
diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
index a817398a56da..04d9d317f741 100644
--- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
+++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
@@ -353,5 +353,7 @@ define_machine(mpc86xx_hpcd) {
        .time_init              = mpc86xx_time_init,
        .calibrate_decr         = generic_calibrate_decr,
        .progress               = udbg_progress,
+#ifdef CONFIG_PCI
        .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
+#endif
 };
diff --git a/arch/powerpc/platforms/powermac/cpufreq_32.c b/arch/powerpc/platforms/powermac/cpufreq_32.c
index 64171198535c..311b804353b1 100644
--- a/arch/powerpc/platforms/powermac/cpufreq_32.c
+++ b/arch/powerpc/platforms/powermac/cpufreq_32.c
@@ -55,6 +55,7 @@ static unsigned int low_freq;
 static unsigned int hi_freq;
 static unsigned int cur_freq;
 static unsigned int sleep_freq;
+static unsigned long transition_latency;
 /*
 * Different models uses different mechanisms to switch the frequency
@@ -403,7 +404,7 @@ static int pmac_cpufreq_cpu_init(struct cpufreq_policy *policy)
        if (policy->cpu != 0)
                return -ENODEV;
-        policy->cpuinfo.transition_latency      = CPUFREQ_ETERNAL;
+        policy->cpuinfo.transition_latency      = transition_latency;
        policy->cur = cur_freq;
        cpufreq_frequency_table_get_attr(pmac_cpu_freqs, policy->cpu);
@@ -658,12 +659,14 @@ static int __init pmac_cpufreq_setup(void)
        if (!value)
                goto out;
        cur_freq = (*value) / 1000;
+        transition_latency = CPUFREQ_ETERNAL;
        /*  Check for 7447A based MacRISC3 */
        if (of_machine_is_compatible("MacRISC3") &&
            of_get_property(cpunode, "dynamic-power-step", NULL) &&
            PVR_VER(mfspr(SPRN_PVR)) == 0x8003) {
                pmac_cpufreq_init_7447A(cpunode);
+                transition_latency = 8000000;
        /* Check for other MacRISC3 machines */
        } else if (of_machine_is_compatible("PowerBook3,4") ||
                   of_machine_is_compatible("PowerBook3,5") ||
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 471aa3ccd9fd..53d052e95cfc 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -34,24 +34,12 @@
 #include "powernv.h"
 #include "pci.h"
-static int __pe_printk(const char *level, const struct pnv_ioda_pe *pe,
-                       struct va_format *vaf)
-{
-        char pfix[32];
-        if (pe->pdev)
-                strlcpy(pfix, dev_name(&pe->pdev->dev), sizeof(pfix));
-        else
-                sprintf(pfix, "%04x:%02x     ",
-                        pci_domain_nr(pe->pbus), pe->pbus->number);
-        return printk("pci %s%s: [PE# %.3d] %pV", level, pfix, pe->pe_number, vaf);
-}
 #define define_pe_printk_level(func, kern_level)                \
 static int func(const struct pnv_ioda_pe *pe, const char *fmt, ...)     \
 {                                                               \
        struct va_format vaf;                                   \
        va_list args;                                           \
+        char pfix[32];                                          \
        int r;                                                  \
                                                                \
        va_start(args, fmt);                                    \
@@ -59,7 +47,16 @@ static int func(const struct pnv_ioda_pe *pe, const char *fmt, ...)	\
        vaf.fmt = fmt;                                          \
        vaf.va = &args;                                         \
                                                                \
-        r = __pe_printk(kern_level, pe, &vaf);                  \
+        if (pe->pdev)                                           \
+                strlcpy(pfix, dev_name(&pe->pdev->dev),         \
+                        sizeof(pfix));                          \
+        else                                                    \
+                sprintf(pfix, "%04x:%02x     ",                 \
+                        pci_domain_nr(pe->pbus),                \
+                        pe->pbus->number);                      \
+        r = printk(kern_level "pci %s: [PE# %.3d] %pV",         \
+                   pfix, pe->pe_number, &vaf);                  \
+                                                                \
        va_end(args);                                           \
                                                                \
        return r;                                               \
diff --git a/arch/powerpc/platforms/ps3/os-area.c b/arch/powerpc/platforms/ps3/os-area.c
index 56d26bc4fd41..09787139834d 100644
--- a/arch/powerpc/platforms/ps3/os-area.c
+++ b/arch/powerpc/platforms/ps3/os-area.c
@@ -280,13 +280,13 @@ static void os_area_set_property(struct device_node *node,
        if (tmp) {
                pr_debug("%s:%d found %s\n", __func__, __LINE__, prop->name);
-                prom_remove_property(node, tmp);
+                of_remove_property(node, tmp);
        }
-        result = prom_add_property(node, prop);
+        result = of_add_property(node, prop);
        if (result)
-                pr_debug("%s:%d prom_set_property failed\n", __func__,
+                pr_debug("%s:%d of_set_property failed\n", __func__,
                        __LINE__);
 }
diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index 0f1b706506ed..a1a7b9a67ffd 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -13,17 +13,16 @@
 #include <linux/kernel.h>
 #include <linux/kref.h>
 #include <linux/notifier.h>
-#include <linux/proc_fs.h>
 #include <linux/spinlock.h>
 #include <linux/cpu.h>
 #include <linux/slab.h>
+#include <linux/of.h>
 #include "offline_states.h"
 #include <asm/prom.h>
 #include <asm/machdep.h>
 #include <asm/uaccess.h>
 #include <asm/rtas.h>
-#include <asm/pSeries_reconfig.h>
 struct cc_workarea {
        u32     drc_index;
@@ -255,9 +254,6 @@ static struct device_node *derive_parent(const char *path)
 int dlpar_attach_node(struct device_node *dn)
 {
-#ifdef CONFIG_PROC_DEVICETREE
-        struct proc_dir_entry *ent;
-#endif
        int rc;
        of_node_set_flag(dn, OF_DYNAMIC);
@@ -266,44 +262,26 @@ int dlpar_attach_node(struct device_node *dn)
        if (!dn->parent)
                return -ENOMEM;
-        rc = pSeries_reconfig_notify(PSERIES_RECONFIG_ADD, dn);
+        rc = of_attach_node(dn);
        if (rc) {
                printk(KERN_ERR "Failed to add device node %s\n",
                       dn->full_name);
                return rc;
        }
-        of_attach_node(dn);
-#ifdef CONFIG_PROC_DEVICETREE
-        ent = proc_mkdir(strrchr(dn->full_name, '/') + 1, dn->parent->pde);
-        if (ent)
-                proc_device_tree_add_node(dn, ent);
-#endif
        of_node_put(dn->parent);
        return 0;
 }
 int dlpar_detach_node(struct device_node *dn)
 {
-#ifdef CONFIG_PROC_DEVICETREE
+        int rc;
-        struct device_node *parent = dn->parent;
-        struct property *prop = dn->properties;
-        while (prop) {
-                remove_proc_entry(prop->name, dn->pde);
-                prop = prop->next;
-        }
-        if (dn->pde)
+        rc = of_detach_node(dn);
-                remove_proc_entry(dn->pde->name, parent->pde);
+        if (rc)
-#endif
+                return rc;
-        pSeries_reconfig_notify(PSERIES_RECONFIG_REMOVE, dn);
-        of_detach_node(dn);
        of_node_put(dn); /* Must decrement the refcount */
        return 0;
 }
diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c
index 0b0eff0cce35..7b56118f531c 100644
--- a/arch/powerpc/platforms/pseries/firmware.c
+++ b/arch/powerpc/platforms/pseries/firmware.c
@@ -56,6 +56,7 @@ firmware_features_table[FIRMWARE_MAX_FEATURES] = {
        {FW_FEATURE_MULTITCE,           "hcall-multi-tce"},
        {FW_FEATURE_SPLPAR,             "hcall-splpar"},
        {FW_FEATURE_VPHN,               "hcall-vphn"},
+        {FW_FEATURE_SET_MODE,           "hcall-set-mode"},
 };
 /* Build up the firmware features bitmask using the contents of
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index 64c97d8ac0c5..a38956269fbf 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -23,12 +23,12 @@
 #include <linux/delay.h>
 #include <linux/sched.h>        /* for idle_task_exit */
 #include <linux/cpu.h>
+#include <linux/of.h>
 #include <asm/prom.h>
 #include <asm/rtas.h>
 #include <asm/firmware.h>
 #include <asm/machdep.h>
 #include <asm/vdso_datapage.h>
-#include <asm/pSeries_reconfig.h>
 #include <asm/xics.h>
 #include "plpar_wrappers.h"
 #include "offline_states.h"
@@ -333,10 +333,10 @@ static int pseries_smp_notifier(struct notifier_block *nb,
        int err = 0;
        switch (action) {
-        case PSERIES_RECONFIG_ADD:
+        case OF_RECONFIG_ATTACH_NODE:
                err = pseries_add_processor(node);
                break;
-        case PSERIES_RECONFIG_REMOVE:
+        case OF_RECONFIG_DETACH_NODE:
                pseries_remove_processor(node);
                break;
        }
@@ -399,7 +399,7 @@ static int __init pseries_cpu_hotplug_init(void)
        /* Processors can be added/removed only on LPAR */
        if (firmware_has_feature(FW_FEATURE_LPAR)) {
-                pSeries_reconfig_notifier_register(&pseries_smp_nb);
+                of_reconfig_notifier_register(&pseries_smp_nb);
                cpu_maps_update_begin();
                if (cede_offline_enabled && parse_cede_parameters() == 0) {
                        default_offline_state = CPU_STATE_INACTIVE;
diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index ecdb0a6b3171..2372c609fa2b 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -16,7 +16,6 @@
 #include <asm/firmware.h>
 #include <asm/machdep.h>
-#include <asm/pSeries_reconfig.h>
 #include <asm/sparsemem.h>
 static unsigned long get_memblock_size(void)
@@ -187,42 +186,69 @@ static int pseries_add_memory(struct device_node *np)
        return (ret < 0) ? -EINVAL : 0;
 }
-static int pseries_drconf_memory(unsigned long *base, unsigned int action)
+static int pseries_update_drconf_memory(struct of_prop_reconfig *pr)
 {
+        struct of_drconf_cell *new_drmem, *old_drmem;
        unsigned long memblock_size;
-        int rc;
+        u32 entries;
+        u32 *p;
+        int i, rc = -EINVAL;
        memblock_size = get_memblock_size();
        if (!memblock_size)
                return -EINVAL;
-        if (action == PSERIES_DRCONF_MEM_ADD) {
+        p = (u32 *)of_get_property(pr->dn, "ibm,dynamic-memory", NULL);
-                rc = memblock_add(*base, memblock_size);
+        if (!p)
-                rc = (rc < 0) ? -EINVAL : 0;
+                return -EINVAL;
-        } else if (action == PSERIES_DRCONF_MEM_REMOVE) {
-                rc = pseries_remove_memblock(*base, memblock_size);
+        /* The first int of the property is the number of lmb's described
-        } else {
+         * by the property. This is followed by an array of of_drconf_cell
-                rc = -EINVAL;
+         * entries. Get the niumber of entries and skip to the array of
+         * of_drconf_cell's.
+         */
+        entries = *p++;
+        old_drmem = (struct of_drconf_cell *)p;
+        p = (u32 *)pr->prop->value;
+        p++;
+        new_drmem = (struct of_drconf_cell *)p;
+        for (i = 0; i < entries; i++) {
+                if ((old_drmem[i].flags & DRCONF_MEM_ASSIGNED) &&
+                    (!(new_drmem[i].flags & DRCONF_MEM_ASSIGNED))) {
+                        rc = pseries_remove_memblock(old_drmem[i].base_addr,
+                                                     memblock_size);
+                        break;
+                } else if ((!(old_drmem[i].flags & DRCONF_MEM_ASSIGNED)) &&
+                           (new_drmem[i].flags & DRCONF_MEM_ASSIGNED)) {
+                        rc = memblock_add(old_drmem[i].base_addr,
+                                          memblock_size);
+                        rc = (rc < 0) ? -EINVAL : 0;
+                        break;
+                }
        }
        return rc;
 }
 static int pseries_memory_notifier(struct notifier_block *nb,
-                                unsigned long action, void *node)
+                                   unsigned long action, void *node)
 {
+        struct of_prop_reconfig *pr;
        int err = 0;
        switch (action) {
-        case PSERIES_RECONFIG_ADD:
+        case OF_RECONFIG_ATTACH_NODE:
                err = pseries_add_memory(node);
                break;
-        case PSERIES_RECONFIG_REMOVE:
+        case OF_RECONFIG_DETACH_NODE:
                err = pseries_remove_memory(node);
                break;
-        case PSERIES_DRCONF_MEM_ADD:
+        case OF_RECONFIG_UPDATE_PROPERTY:
-        case PSERIES_DRCONF_MEM_REMOVE:
+                pr = (struct of_prop_reconfig *)node;
-                err = pseries_drconf_memory(node, action);
+                if (!strcmp(pr->prop->name, "ibm,dynamic-memory"))
+                        err = pseries_update_drconf_memory(pr);
                break;
        }
        return notifier_from_errno(err);
@@ -235,7 +261,7 @@ static struct notifier_block pseries_mem_nb = {
 static int __init pseries_memory_hotplug_init(void)
 {
        if (firmware_has_feature(FW_FEATURE_LPAR))
-                pSeries_reconfig_notifier_register(&pseries_mem_nb);
+                of_reconfig_notifier_register(&pseries_mem_nb);
        return 0;
 }
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 6153eea27ce7..e2685badb5db 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -36,13 +36,13 @@
 #include <linux/dma-mapping.h>
 #include <linux/crash_dump.h>
 #include <linux/memory.h>
+#include <linux/of.h>
 #include <asm/io.h>
 #include <asm/prom.h>
 #include <asm/rtas.h>
 #include <asm/iommu.h>
 #include <asm/pci-bridge.h>
 #include <asm/machdep.h>
-#include <asm/pSeries_reconfig.h>
 #include <asm/firmware.h>
 #include <asm/tce.h>
 #include <asm/ppc-pci.h>
@@ -760,7 +760,7 @@ static void remove_ddw(struct device_node *np)
        __remove_ddw(np, ddw_avail, liobn);
 delprop:
-        ret = prom_remove_property(np, win64);
+        ret = of_remove_property(np, win64);
        if (ret)
                pr_warning("%s: failed to remove direct window property: %d\n",
                        np->full_name, ret);
@@ -1070,7 +1070,7 @@ static u64 enable_ddw(struct pci_dev *dev, struct device_node *pdn)
                goto out_free_window;
        }
-        ret = prom_add_property(pdn, win64);
+        ret = of_add_property(pdn, win64);
        if (ret) {
                dev_err(&dev->dev, "unable to add dma window property for %s: %d",
                         pdn->full_name, ret);
@@ -1294,7 +1294,7 @@ static int iommu_reconfig_notifier(struct notifier_block *nb, unsigned long acti
        struct direct_window *window;
        switch (action) {
-        case PSERIES_RECONFIG_REMOVE:
+        case OF_RECONFIG_DETACH_NODE:
                if (pci && pci->iommu_table)
                        iommu_free_table(pci->iommu_table, np->full_name);
@@ -1357,7 +1357,7 @@ void iommu_init_early_pSeries(void)
        }
-        pSeries_reconfig_notifier_register(&iommu_reconfig_nb);
+        of_reconfig_notifier_register(&iommu_reconfig_nb);
        register_memory_notifier(&iommu_mem_nb);
        set_pci_dma_ops(&dma_iommu_ops);
diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c
index dd30b12edfe4..6573808cc5f3 100644
--- a/arch/powerpc/platforms/pseries/mobility.c
+++ b/arch/powerpc/platforms/pseries/mobility.c
@@ -116,7 +116,7 @@ static int update_dt_property(struct device_node *dn, struct property **prop,
        }
        if (!more) {
-                prom_update_property(dn, new_prop);
+                of_update_property(dn, new_prop);
                new_prop = NULL;
        }
@@ -172,7 +172,7 @@ static int update_dt_node(u32 phandle)
                        case 0x80000000:
                                prop = of_find_property(dn, prop_name, NULL);
-                                prom_remove_property(dn, prop);
+                                of_remove_property(dn, prop);
                                prop = NULL;
                                break;
diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h
index 13e8cc43adf7..e6cc34a67053 100644
--- a/arch/powerpc/platforms/pseries/plpar_wrappers.h
+++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h
@@ -273,4 +273,35 @@ static inline long plpar_put_term_char(unsigned long termno, unsigned long len,
                        lbuf[1]);
 }
+/* Set various resource mode parameters */
+static inline long plpar_set_mode(unsigned long mflags, unsigned long resource,
+                unsigned long value1, unsigned long value2)
+{
+        return plpar_hcall_norets(H_SET_MODE, mflags, resource, value1, value2);
+}
+/*
+ * Enable relocation on exceptions on this partition
+ *
+ * Note: this call has a partition wide scope and can take a while to complete.
+ * If it returns H_LONG_BUSY_* it should be retried periodically until it
+ * returns H_SUCCESS.
+ */
+static inline long enable_reloc_on_exceptions(void)
+{
+        /* mflags = 3: Exceptions at 0xC000000000004000 */
+        return plpar_set_mode(3, 3, 0, 0);
+}
+/*
+ * Disable relocation on exceptions on this partition
+ *
+ * Note: this call has a partition wide scope and can take a while to complete.
+ * If it returns H_LONG_BUSY_* it should be retried periodically until it
+ * returns H_SUCCESS.
+ */
+static inline long disable_reloc_on_exceptions(void) {
+        return plpar_set_mode(0, 3, 0, 0);
+}
 #endif /* _PSERIES_PLPAR_WRAPPERS_H */
diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c
index 2f4668136b20..d6491bd481d0 100644
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -16,55 +16,13 @@
 #include <linux/notifier.h>
 #include <linux/proc_fs.h>
 #include <linux/slab.h>
+#include <linux/of.h>
 #include <asm/prom.h>
 #include <asm/machdep.h>
 #include <asm/uaccess.h>
-#include <asm/pSeries_reconfig.h>
 #include <asm/mmu.h>
-/*
- * Routines for "runtime" addition and removal of device tree nodes.
- */
-#ifdef CONFIG_PROC_DEVICETREE
-/*
- * Add a node to /proc/device-tree.
- */
-static void add_node_proc_entries(struct device_node *np)
-{
-        struct proc_dir_entry *ent;
-        ent = proc_mkdir(strrchr(np->full_name, '/') + 1, np->parent->pde);
-        if (ent)
-                proc_device_tree_add_node(np, ent);
-}
-static void remove_node_proc_entries(struct device_node *np)
-{
-        struct property *pp = np->properties;
-        struct device_node *parent = np->parent;
-        while (pp) {
-                remove_proc_entry(pp->name, np->pde);
-                pp = pp->next;
-        }
-        if (np->pde)
-                remove_proc_entry(np->pde->name, parent->pde);
-}
-#else /* !CONFIG_PROC_DEVICETREE */
-static void add_node_proc_entries(struct device_node *np)
-{
-        return;
-}
-static void remove_node_proc_entries(struct device_node *np)
-{
-        return;
-}
-#endif /* CONFIG_PROC_DEVICETREE */
 /**
 *      derive_parent - basically like dirname(1)
 *      @path:  the full_name of a node to be added to the tree
@@ -97,28 +55,6 @@ static struct device_node *derive_parent(const char *path)
        return parent;
 }
-static BLOCKING_NOTIFIER_HEAD(pSeries_reconfig_chain);
-int pSeries_reconfig_notifier_register(struct notifier_block *nb)
-{
-        return blocking_notifier_chain_register(&pSeries_reconfig_chain, nb);
-}
-EXPORT_SYMBOL_GPL(pSeries_reconfig_notifier_register);
-void pSeries_reconfig_notifier_unregister(struct notifier_block *nb)
-{
-        blocking_notifier_chain_unregister(&pSeries_reconfig_chain, nb);
-}
-EXPORT_SYMBOL_GPL(pSeries_reconfig_notifier_unregister);
-int pSeries_reconfig_notify(unsigned long action, void *p)
-{
-        int err = blocking_notifier_call_chain(&pSeries_reconfig_chain,
-                                                action, p);
-        return notifier_to_errno(err);
-}
 static int pSeries_reconfig_add_node(const char *path, struct property *proplist)
 {
        struct device_node *np;
@@ -142,16 +78,12 @@ static int pSeries_reconfig_add_node(const char *path, struct property *proplist
                goto out_err;
        }
-        err = pSeries_reconfig_notify(PSERIES_RECONFIG_ADD, np);
+        err = of_attach_node(np);
        if (err) {
                printk(KERN_ERR "Failed to add device node %s\n", path);
                goto out_err;
        }
-        of_attach_node(np);
-        add_node_proc_entries(np);
        of_node_put(np->parent);
        return 0;
@@ -179,11 +111,7 @@ static int pSeries_reconfig_remove_node(struct device_node *np)
                return -EBUSY;
        }
-        remove_node_proc_entries(np);
-        pSeries_reconfig_notify(PSERIES_RECONFIG_REMOVE, np);
        of_detach_node(np);
        of_node_put(parent);
        of_node_put(np); /* Must decrement the refcount */
        return 0;
@@ -397,7 +325,7 @@ static int do_add_property(char *buf, size_t bufsize)
        if (!prop)
                return -ENOMEM;
-        prom_add_property(np, prop);
+        of_add_property(np, prop);
        return 0;
 }
@@ -421,16 +349,15 @@ static int do_remove_property(char *buf, size_t bufsize)
        prop = of_find_property(np, buf, NULL);
-        return prom_remove_property(np, prop);
+        return of_remove_property(np, prop);
 }
 static int do_update_property(char *buf, size_t bufsize)
 {
        struct device_node *np;
-        struct pSeries_reconfig_prop_update upd_value;
        unsigned char *value;
        char *name, *end, *next_prop;
-        int rc, length;
+        int length;
        struct property *newprop;
        buf = parse_node(buf, bufsize, &np);
        end = buf + bufsize;
@@ -452,41 +379,7 @@ static int do_update_property(char *buf, size_t bufsize)
        if (!strcmp(name, "slb-size") || !strcmp(name, "ibm,slb-size"))
                slb_set_size(*(int *)value);
-        upd_value.node = np;
+        return of_update_property(np, newprop);
-        upd_value.property = newprop;
-        pSeries_reconfig_notify(PSERIES_UPDATE_PROPERTY, &upd_value);
-        rc = prom_update_property(np, newprop);
-        if (rc)
-                return rc;
-        /* For memory under the ibm,dynamic-reconfiguration-memory node
-         * of the device tree, adding and removing memory is just an update
-         * to the ibm,dynamic-memory property instead of adding/removing a
-         * memory node in the device tree.  For these cases we still need to
-         * involve the notifier chain.
-         */
-        if (!strcmp(name, "ibm,dynamic-memory")) {
-                int action;
-                next_prop = parse_next_property(next_prop, end, &name,
-                                                &length, &value);
-                if (!next_prop)
-                        return -EINVAL;
-                if (!strcmp(name, "add"))
-                        action = PSERIES_DRCONF_MEM_ADD;
-                else
-                        action = PSERIES_DRCONF_MEM_REMOVE;
-                rc = pSeries_reconfig_notify(action, value);
-                if (rc) {
-                        prom_update_property(np, newprop);
-                        return rc;
-                }
-        }
-        return 0;
 }
 /**
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index e3cb7ae61658..ca55882465d6 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -40,6 +40,8 @@
 #include <linux/seq_file.h>
 #include <linux/root_dev.h>
 #include <linux/cpuidle.h>
+#include <linux/of.h>
+#include <linux/kexec.h>
 #include <asm/mmu.h>
 #include <asm/processor.h>
@@ -63,7 +65,6 @@
 #include <asm/smp.h>
 #include <asm/firmware.h>
 #include <asm/eeh.h>
-#include <asm/pSeries_reconfig.h>
 #include "plpar_wrappers.h"
 #include "pseries.h"
@@ -258,7 +259,7 @@ static int pci_dn_reconfig_notifier(struct notifier_block *nb, unsigned long act
        int err = NOTIFY_OK;
        switch (action) {
-        case PSERIES_RECONFIG_ADD:
+        case OF_RECONFIG_ATTACH_NODE:
                pci = np->parent->data;
                if (pci) {
                        update_dn_pci_info(np, pci->phb);
@@ -367,6 +368,65 @@ static void pSeries_idle(void)
        }
 }
+/*
+ * Enable relocation on during exceptions. This has partition wide scope and
+ * may take a while to complete, if it takes longer than one second we will
+ * just give up rather than wasting any more time on this - if that turns out
+ * to ever be a problem in practice we can move this into a kernel thread to
+ * finish off the process later in boot.
+ */
+static int __init pSeries_enable_reloc_on_exc(void)
+{
+        long rc;
+        unsigned int delay, total_delay = 0;
+        while (1) {
+                rc = enable_reloc_on_exceptions();
+                if (!H_IS_LONG_BUSY(rc))
+                        return rc;
+                delay = get_longbusy_msecs(rc);
+                total_delay += delay;
+                if (total_delay > 1000) {
+                        pr_warn("Warning: Giving up waiting to enable "
+                                "relocation on exceptions (%u msec)!\n",
+                                total_delay);
+                        return rc;
+                }
+                mdelay(delay);
+        }
+}
+#ifdef CONFIG_KEXEC
+static long pSeries_disable_reloc_on_exc(void)
+{
+        long rc;
+        while (1) {
+                rc = disable_reloc_on_exceptions();
+                if (!H_IS_LONG_BUSY(rc))
+                        return rc;
+                mdelay(get_longbusy_msecs(rc));
+        }
+}
+static void pSeries_machine_kexec(struct kimage *image)
+{
+        long rc;
+        if (firmware_has_feature(FW_FEATURE_SET_MODE) &&
+            (image->type != KEXEC_TYPE_CRASH)) {
+                rc = pSeries_disable_reloc_on_exc();
+                if (rc != H_SUCCESS)
+                        pr_warning("Warning: Failed to disable relocation on "
+                                   "exceptions: %ld\n", rc);
+        }
+        default_machine_kexec(image);
+}
+#endif
 static void __init pSeries_setup_arch(void)
 {
        panic_timeout = 10;
@@ -389,7 +449,7 @@ static void __init pSeries_setup_arch(void)
        /* Find and initialize PCI host bridges */
        init_pci_config_tokens();
        find_and_init_phbs();
-        pSeries_reconfig_notifier_register(&pci_dn_reconfig_nb);
+        of_reconfig_notifier_register(&pci_dn_reconfig_nb);
        pSeries_nvram_init();
@@ -402,6 +462,14 @@ static void __init pSeries_setup_arch(void)
                ppc_md.enable_pmcs = pseries_lpar_enable_pmcs;
        else
                ppc_md.enable_pmcs = power4_enable_pmcs;
+        if (firmware_has_feature(FW_FEATURE_SET_MODE)) {
+                long rc;
+                if ((rc = pSeries_enable_reloc_on_exc()) != H_SUCCESS) {
+                        pr_warn("Unable to enable relocation on exceptions: "
+                                "%ld\n", rc);
+                }
+        }
 }
 static int __init pSeries_init_panel(void)
@@ -659,4 +727,7 @@ define_machine(pseries) {
        .progress               = rtas_progress,
        .system_reset_exception = pSeries_system_reset_exception,
        .machine_check_exception = pSeries_machine_check_exception,
+#ifdef CONFIG_KEXEC
+        .machine_kexec          = pSeries_machine_kexec,
+#endif
 };
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 71706bc34a0d..9fc0a4941908 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -38,7 +38,6 @@
 #include <asm/cputable.h>
 #include <asm/firmware.h>
 #include <asm/rtas.h>
-#include <asm/pSeries_reconfig.h>
 #include <asm/mpic.h>
 #include <asm/vdso_datapage.h>
 #include <asm/cputhreads.h>
diff --git a/arch/powerpc/sysdev/fsl_gtm.c b/arch/powerpc/sysdev/fsl_gtm.c
index 02cf1e7e77fc..0eb871cc3437 100644
--- a/arch/powerpc/sysdev/fsl_gtm.c
+++ b/arch/powerpc/sysdev/fsl_gtm.c
@@ -1,7 +1,7 @@
 /*
 * Freescale General-purpose Timers Module
 *
- * Copyright (c) Freescale Semicondutor, Inc. 2006.
+ * Copyright (c) Freescale Semiconductor, Inc. 2006.
 *               Shlomi Gridish <gridish@freescale.com>
 *               Jerry Huang <Chang-Ming.Huang@freescale.com>
 * Copyright (c) MontaVista Software, Inc. 2008.
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index 01b62a62c635..5ba325bff3a2 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -89,7 +89,7 @@ static int fsl_pci_dma_set_mask(struct device *dev, u64 dma_mask)
        return 0;
 }
-static int __init setup_one_atmu(struct ccsr_pci __iomem *pci,
+static int setup_one_atmu(struct ccsr_pci __iomem *pci,
        unsigned int index, const struct resource *res,
        resource_size_t offset)
 {
@@ -126,7 +126,7 @@ static int __init setup_one_atmu(struct ccsr_pci __iomem *pci,
 }
 /* atmu setup for fsl pci/pcie controller */
-static void __init setup_pci_atmu(struct pci_controller *hose,
+static void setup_pci_atmu(struct pci_controller *hose,
                                  struct resource *rsrc)
 {
        struct ccsr_pci __iomem *pci;
@@ -902,9 +902,42 @@ static int __devinit fsl_pci_probe(struct platform_device *pdev)
        return 0;
 }
+#ifdef CONFIG_PM
+static int fsl_pci_resume(struct device *dev)
+{
+        struct pci_controller *hose;
+        struct resource pci_rsrc;
+        hose = pci_find_hose_for_OF_device(dev->of_node);
+        if (!hose)
+                return -ENODEV;
+        if (of_address_to_resource(dev->of_node, 0, &pci_rsrc)) {
+                dev_err(dev, "Get pci register base failed.");
+                return -ENODEV;
+        }
+        setup_pci_atmu(hose, &pci_rsrc);
+        return 0;
+}
+static const struct dev_pm_ops pci_pm_ops = {
+        .resume = fsl_pci_resume,
+};
+#define PCI_PM_OPS (&pci_pm_ops)
+#else
+#define PCI_PM_OPS NULL
+#endif
 static struct platform_driver fsl_pci_driver = {
        .driver = {
                .name = "fsl-pci",
+                .pm = PCI_PM_OPS,
                .of_match_table = pci_ids,
        },
        .probe = fsl_pci_probe,
diff --git a/arch/powerpc/sysdev/pmi.c b/arch/powerpc/sysdev/pmi.c
index 8f0465422b1e..5aaf86c03893 100644
--- a/arch/powerpc/sysdev/pmi.c
+++ b/arch/powerpc/sysdev/pmi.c
@@ -214,18 +214,7 @@ static struct platform_driver pmi_of_platform_driver = {
                .of_match_table = pmi_match,
        },
 };
+module_platform_driver(pmi_of_platform_driver);
-static int __init pmi_module_init(void)
-{
-        return platform_driver_register(&pmi_of_platform_driver);
-}
-module_init(pmi_module_init);
-static void __exit pmi_module_exit(void)
-{
-        platform_driver_unregister(&pmi_of_platform_driver);
-}
-module_exit(pmi_module_exit);
 int pmi_send_message(pmi_message_t msg)
 {
diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c
index b04367529729..238a07b97f2c 100644
--- a/arch/powerpc/sysdev/qe_lib/qe.c
+++ b/arch/powerpc/sysdev/qe_lib/qe.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2010 Freescale Semicondutor, Inc. All rights reserved.
+ * Copyright (C) 2006-2010 Freescale Semiconductor, Inc. All rights reserved.
 *
 * Authors:     Shlomi Gridish <gridish@freescale.com>
 *              Li Yang <leoli@freescale.com>
diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.c b/arch/powerpc/sysdev/qe_lib/qe_ic.c
index 2fba6ef2f95e..b2b87c30e266 100644
--- a/arch/powerpc/sysdev/qe_lib/qe_ic.c
+++ b/arch/powerpc/sysdev/qe_lib/qe_ic.c
@@ -1,7 +1,7 @@
 /*
 * arch/powerpc/sysdev/qe_lib/qe_ic.c
 *
- * Copyright (C) 2006 Freescale Semicondutor, Inc.  All rights reserved.
+ * Copyright (C) 2006 Freescale Semiconductor, Inc.  All rights reserved.
 *
 * Author: Li Yang <leoli@freescale.com>
 * Based on code from Shlomi Gridish <gridish@freescale.com>
diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.h b/arch/powerpc/sysdev/qe_lib/qe_ic.h
index c327872ed35c..efef7ab9b753 100644
--- a/arch/powerpc/sysdev/qe_lib/qe_ic.h
+++ b/arch/powerpc/sysdev/qe_lib/qe_ic.h
@@ -3,7 +3,7 @@
 *
 * QUICC ENGINE Interrupt Controller Header
 *
- * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved.
+ * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
 *
 * Author: Li Yang <leoli@freescale.com>
 * Based on code from Shlomi Gridish <gridish@freescale.com>
diff --git a/arch/powerpc/sysdev/qe_lib/qe_io.c b/arch/powerpc/sysdev/qe_lib/qe_io.c
index fd1a6c3b1721..a88807b3dd57 100644
--- a/arch/powerpc/sysdev/qe_lib/qe_io.c
+++ b/arch/powerpc/sysdev/qe_lib/qe_io.c
@@ -3,7 +3,7 @@
 *
 * QE Parallel I/O ports configuration routines
 *
- * Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved.
+ * Copyright 2006 Freescale Semiconductor, Inc. All rights reserved.
 *
 * Author: Li Yang <LeoLi@freescale.com>
 * Based on code from Shlomi Gridish <gridish@freescale.com>
diff --git a/arch/powerpc/sysdev/qe_lib/ucc.c b/arch/powerpc/sysdev/qe_lib/ucc.c
index 04677505f20f..134b07d29435 100644
--- a/arch/powerpc/sysdev/qe_lib/ucc.c
+++ b/arch/powerpc/sysdev/qe_lib/ucc.c
@@ -3,7 +3,7 @@
 *
 * QE UCC API Set - UCC specific routines implementations.
 *
- * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved.
+ * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
 *
 * Authors:     Shlomi Gridish <gridish@freescale.com>
 *              Li Yang <leoli@freescale.com>
diff --git a/arch/powerpc/sysdev/qe_lib/ucc_fast.c b/arch/powerpc/sysdev/qe_lib/ucc_fast.c
index fba02440d122..cceb2e366738 100644
--- a/arch/powerpc/sysdev/qe_lib/ucc_fast.c
+++ b/arch/powerpc/sysdev/qe_lib/ucc_fast.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved.
+ * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
 *
 * Authors:     Shlomi Gridish <gridish@freescale.com>
 *              Li Yang <leoli@freescale.com>
diff --git a/arch/powerpc/sysdev/qe_lib/ucc_slow.c b/arch/powerpc/sysdev/qe_lib/ucc_slow.c
index 524c0ead941d..1c062f48f1ac 100644
--- a/arch/powerpc/sysdev/qe_lib/ucc_slow.c
+++ b/arch/powerpc/sysdev/qe_lib/ucc_slow.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved.
+ * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
 *
 * Authors:     Shlomi Gridish <gridish@freescale.com>
 *              Li Yang <leoli@freescale.com>
diff --git a/arch/powerpc/sysdev/qe_lib/usb.c b/arch/powerpc/sysdev/qe_lib/usb.c
index 9162828f5da7..27f23bd15eb6 100644
--- a/arch/powerpc/sysdev/qe_lib/usb.c
+++ b/arch/powerpc/sysdev/qe_lib/usb.c
@@ -1,7 +1,7 @@
 /*
 * QE USB routines
 *
- * Copyright (c) Freescale Semicondutor, Inc. 2006.
+ * Copyright 2006 Freescale Semiconductor, Inc.
 *               Shlomi Gridish <gridish@freescale.com>
 *               Jerry Huang <Chang-Ming.Huang@freescale.com>
 * Copyright (c) MontaVista Software, Inc. 2008.
diff --git a/arch/powerpc/xmon/Makefile b/arch/powerpc/xmon/Makefile
index c168c54e3c40..b49fdbd15808 100644
--- a/arch/powerpc/xmon/Makefile
+++ b/arch/powerpc/xmon/Makefile
@@ -6,7 +6,7 @@ GCOV_PROFILE := n
 ccflags-$(CONFIG_PPC64) := -mno-minimal-toc
-obj-y                   += xmon.o start.o nonstdio.o
+obj-y                   += xmon.o nonstdio.o
 ifdef CONFIG_XMON_DISASSEMBLY
 obj-y                   += ppc-dis.o ppc-opc.o
diff --git a/arch/powerpc/xmon/nonstdio.c b/arch/powerpc/xmon/nonstdio.c
index bfac84fbe780..bce3dcfe5058 100644
--- a/arch/powerpc/xmon/nonstdio.c
+++ b/arch/powerpc/xmon/nonstdio.c
@@ -7,9 +7,23 @@
 *      2 of the License, or (at your option) any later version.
 */
 #include <linux/string.h>
+#include <asm/udbg.h>
 #include <asm/time.h>
 #include "nonstdio.h"
+static int xmon_write(const void *ptr, int nb)
+{
+        return udbg_write(ptr, nb);
+}
+static int xmon_readchar(void)
+{
+        if (udbg_getc)
+                return udbg_getc();
+        return -1;
+}
 int xmon_putchar(int c)
 {
        char ch = c;
@@ -23,34 +37,7 @@ static char line[256];
 static char *lineptr;
 static int lineleft;
-int xmon_expect(const char *str, unsigned long timeout)
+static int xmon_getchar(void)
-{
-        int c;
-        unsigned long t0;
-        /* assume 25MHz default timebase if tb_ticks_per_sec not set yet */
-        timeout *= tb_ticks_per_sec? tb_ticks_per_sec: 25000000;
-        t0 = get_tbl();
-        do {
-                lineptr = line;
-                for (;;) {
-                        c = xmon_read_poll();
-                        if (c == -1) {
-                                if (get_tbl() - t0 > timeout)
-                                        return 0;
-                                continue;
-                        }
-                        if (c == '\n')
-                                break;
-                        if (c != '\r' && lineptr < &line[sizeof(line) - 1])
-                                *lineptr++ = c;
-                }
-                *lineptr = 0;
-        } while (strstr(line, str) == NULL);
-        return 1;
-}
-int xmon_getchar(void)
 {
        int c;
@@ -124,13 +111,19 @@ char *xmon_gets(char *str, int nb)
 void xmon_printf(const char *format, ...)
 {
        va_list args;
-        int n;
        static char xmon_outbuf[1024];
+        int rc, n;
        va_start(args, format);
        n = vsnprintf(xmon_outbuf, sizeof(xmon_outbuf), format, args);
        va_end(args);
-        xmon_write(xmon_outbuf, n);
+        rc = xmon_write(xmon_outbuf, n);
+        if (n && rc == 0) {
+                /* No udbg hooks, fallback to printk() - dangerous */
+                printk(xmon_outbuf);
+        }
 }
 void xmon_puts(const char *str)
diff --git a/arch/powerpc/xmon/nonstdio.h b/arch/powerpc/xmon/nonstdio.h
index 23dd95f4599c..18a51ded4ffd 100644
--- a/arch/powerpc/xmon/nonstdio.h
+++ b/arch/powerpc/xmon/nonstdio.h
@@ -4,12 +4,6 @@
 #define putchar xmon_putchar
 extern int xmon_putchar(int c);
-extern int xmon_getchar(void);
 extern void xmon_puts(const char *);
 extern char *xmon_gets(char *, int);
 extern void xmon_printf(const char *, ...);
-extern void xmon_map_scc(void);
-extern int xmon_expect(const char *str, unsigned long timeout);
-extern int xmon_write(const void *ptr, int nb);
-extern int xmon_readchar(void);
-extern int xmon_read_poll(void);
diff --git a/arch/powerpc/xmon/start.c b/arch/powerpc/xmon/start.c
deleted file mode 100644
index 8864de2af382..000000000000
--- a/arch/powerpc/xmon/start.c
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (C) 1996 Paul Mackerras.
- *
- *      This program is free software; you can redistribute it and/or
- *      modify it under the terms of the GNU General Public License
- *      as published by the Free Software Foundation; either version
- *      2 of the License, or (at your option) any later version.
- */
-#include <asm/machdep.h>
-#include <asm/udbg.h>
-#include "nonstdio.h"
-void xmon_map_scc(void)
-{
-}
-int xmon_write(const void *ptr, int nb)
-{
-        return udbg_write(ptr, nb);
-}
-int xmon_readchar(void)
-{
-        if (udbg_getc)
-                return udbg_getc();
-        return -1;
-}
-int xmon_read_poll(void)
-{
-        if (udbg_getc_poll)
-                return udbg_getc_poll();
-        return -1;
-}
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index 3a56a639a92e..1f8d2f10a432 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -52,9 +52,6 @@
 #include "nonstdio.h"
 #include "dis-asm.h"
-#define scanhex xmon_scanhex
-#define skipbl  xmon_skipbl
 #ifdef CONFIG_SMP
 static cpumask_t cpus_in_xmon = CPU_MASK_NONE;
 static unsigned long xmon_taken = 1;
@@ -169,12 +166,8 @@ extern void xmon_leave(void);
 #ifdef CONFIG_PPC64
 #define REG             "%.16lx"
-#define REGS_PER_LINE   4
-#define LAST_VOLATILE   13
 #else
 #define REG             "%.8lx"
-#define REGS_PER_LINE   8
-#define LAST_VOLATILE   12
 #endif
 #define GETWORD(v)      (((v)[0] << 24) + ((v)[1] << 16) + ((v)[2] << 8) + (v)[3])
@@ -1288,27 +1281,19 @@ static void get_function_bounds(unsigned long pc, unsigned long *startp,
        catch_memory_errors = 0;
 }
-static int xmon_depth_to_print = 64;
 #define LRSAVE_OFFSET           (STACK_FRAME_LR_SAVE * sizeof(unsigned long))
 #define MARKER_OFFSET           (STACK_FRAME_MARKER * sizeof(unsigned long))
-#ifdef __powerpc64__
-#define REGS_OFFSET             0x70
-#else
-#define REGS_OFFSET             16
-#endif
 static void xmon_show_stack(unsigned long sp, unsigned long lr,
                            unsigned long pc)
 {
+        int max_to_print = 64;
        unsigned long ip;
        unsigned long newsp;
        unsigned long marker;
-        int count = 0;
        struct pt_regs regs;
-        do {
+        while (max_to_print--) {
                if (sp < PAGE_OFFSET) {
                        if (sp != 0)
                                printf("SP (%lx) is in userspace\n", sp);
@@ -1362,10 +1347,10 @@ static void xmon_show_stack(unsigned long sp, unsigned long lr,
                   an exception frame. */
                if (mread(sp + MARKER_OFFSET, &marker, sizeof(unsigned long))
                    && marker == STACK_FRAME_REGS_MARKER) {
-                        if (mread(sp + REGS_OFFSET, &regs, sizeof(regs))
+                        if (mread(sp + STACK_FRAME_OVERHEAD, &regs, sizeof(regs))
                            != sizeof(regs)) {
                                printf("Couldn't read registers at %lx\n",
-                                       sp + REGS_OFFSET);
+                                       sp + STACK_FRAME_OVERHEAD);
                                break;
                        }
                        printf("--- Exception: %lx %s at ", regs.trap,
@@ -1379,7 +1364,7 @@ static void xmon_show_stack(unsigned long sp, unsigned long lr,
                        break;
                sp = newsp;
-        } while (count++ < xmon_depth_to_print);
+        }
 }
 static void backtrace(struct pt_regs *excp)
@@ -2943,7 +2928,6 @@ static void xmon_init(int enable)
                __debugger_dabr_match = NULL;
                __debugger_fault_handler = NULL;
        }
-        xmon_map_scc();
 }
 #ifdef CONFIG_MAGIC_SYSRQ