Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/scottwood/linux into next

Freescale updates from Scott:

"Highlights include 8xx optimizations, some more work on datapath device
tree content, e300 machine check support, t1040 corenet error reporting,
and various cleanups and fixes."

34 files changed, 884 insertions, 421 deletions

diff --git a/arch/powerpc/boot/dts/fsl/pq3-etsec2-0.dtsi b/arch/powerpc/boot/dts/fsl/pq3-etsec2-0.dtsi
index 1382fec9e8c..7fcb1ac0f23 100644
--- a/arch/powerpc/boot/dts/fsl/pq3-etsec2-0.dtsi
+++ b/arch/powerpc/boot/dts/fsl/pq3-etsec2-0.dtsi
@@ -50,6 +50,7 @@ ethernet@b0000 {
 	fsl,num_tx_queues = <0x8>;
 	fsl,magic-packet;
 	local-mac-address = [ 00 00 00 00 00 00 ];
+	ranges;
 
 	queue-group@b0000 {
 		#address-cells = <1>;
diff --git a/arch/powerpc/boot/dts/fsl/pq3-etsec2-1.dtsi b/arch/powerpc/boot/dts/fsl/pq3-etsec2-1.dtsi
index 221cd2ea5b3..9f25427c152 100644
--- a/arch/powerpc/boot/dts/fsl/pq3-etsec2-1.dtsi
+++ b/arch/powerpc/boot/dts/fsl/pq3-etsec2-1.dtsi
@@ -50,6 +50,7 @@ ethernet@b1000 {
 	fsl,num_tx_queues = <0x8>;
 	fsl,magic-packet;
 	local-mac-address = [ 00 00 00 00 00 00 ];
+	ranges;
 
 	queue-group@b1000 {
 		#address-cells = <1>;
diff --git a/arch/powerpc/boot/dts/fsl/pq3-etsec2-2.dtsi b/arch/powerpc/boot/dts/fsl/pq3-etsec2-2.dtsi
index 61456c31760..cd7c318ab13 100644
--- a/arch/powerpc/boot/dts/fsl/pq3-etsec2-2.dtsi
+++ b/arch/powerpc/boot/dts/fsl/pq3-etsec2-2.dtsi
@@ -49,6 +49,7 @@ ethernet@b2000 {
 	fsl,num_tx_queues = <0x8>;
 	fsl,magic-packet;
 	local-mac-address = [ 00 00 00 00 00 00 ];
+	ranges;
 
 	queue-group@b2000 {
 		#address-cells = <1>;
diff --git a/arch/powerpc/boot/dts/fsl/pq3-gpio-0.dtsi b/arch/powerpc/boot/dts/fsl/pq3-gpio-0.dtsi
index 72a3ef5945c..a1b48546b02 100644
--- a/arch/powerpc/boot/dts/fsl/pq3-gpio-0.dtsi
+++ b/arch/powerpc/boot/dts/fsl/pq3-gpio-0.dtsi
@@ -1,5 +1,5 @@
 /*
- * PQ3 GPIO device tree stub [ controller @ offset 0xf000 ]
+ * PQ3 GPIO device tree stub [ controller @ offset 0xfc00 ]
  *
  * Copyright 2011 Freescale Semiconductor Inc.
  *
@@ -32,10 +32,10 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-gpio-controller@f000 {
+gpio-controller@fc00 {
 	#gpio-cells = <2>;
 	compatible = "fsl,pq3-gpio";
-	reg = <0xf000 0x100>;
+	reg = <0xfc00 0x100>;
 	interrupts = <47 0x2 0 0>;
 	gpio-controller;
 };
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-bman1-portals.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-bman1-portals.dtsi
new file mode 100644
index 00000000000..5022432ebaa
--- /dev/null
+++ b/arch/powerpc/boot/dts/fsl/qoriq-bman1-portals.dtsi
@@ -0,0 +1,90 @@
+/*
+ * QorIQ BMan Portal device tree stub for 10 portals
+ *
+ * Copyright 2011 - 2014 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.
+ */
+
+&bportals {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	compatible = "simple-bus";
+
+	bman-portal@0 {
+		compatible = "fsl,bman-portal";
+		reg = <0x0 0x4000>, <0x100000 0x1000>;
+		interrupts = <105 2 0 0>;
+	};
+	bman-portal@4000 {
+		compatible = "fsl,bman-portal";
+		reg = <0x4000 0x4000>, <0x101000 0x1000>;
+		interrupts = <107 2 0 0>;
+	};
+	bman-portal@8000 {
+		compatible = "fsl,bman-portal";
+		reg = <0x8000 0x4000>, <0x102000 0x1000>;
+		interrupts = <109 2 0 0>;
+	};
+	bman-portal@c000 {
+		compatible = "fsl,bman-portal";
+		reg = <0xc000 0x4000>, <0x103000 0x1000>;
+		interrupts = <111 2 0 0>;
+	};
+	bman-portal@10000 {
+		compatible = "fsl,bman-portal";
+		reg = <0x10000 0x4000>, <0x104000 0x1000>;
+		interrupts = <113 2 0 0>;
+	};
+	bman-portal@14000 {
+		compatible = "fsl,bman-portal";
+		reg = <0x14000 0x4000>, <0x105000 0x1000>;
+		interrupts = <115 2 0 0>;
+	};
+	bman-portal@18000 {
+		compatible = "fsl,bman-portal";
+		reg = <0x18000 0x4000>, <0x106000 0x1000>;
+		interrupts = <117 2 0 0>;
+	};
+	bman-portal@1c000 {
+		compatible = "fsl,bman-portal";
+		reg = <0x1c000 0x4000>, <0x107000 0x1000>;
+		interrupts = <119 2 0 0>;
+	};
+	bman-portal@20000 {
+		compatible = "fsl,bman-portal";
+		reg = <0x20000 0x4000>, <0x108000 0x1000>;
+		interrupts = <121 2 0 0>;
+	};
+	bman-portal@24000 {
+		compatible = "fsl,bman-portal";
+		reg = <0x24000 0x4000>, <0x109000 0x1000>;
+		interrupts = <123 2 0 0>;
+	};
+};
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-bman1.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-bman1.dtsi
new file mode 100644
index 00000000000..3b5e3504acb
--- /dev/null
+++ b/arch/powerpc/boot/dts/fsl/qoriq-bman1.dtsi
@@ -0,0 +1,41 @@
+/*
+ * QorIQ BMan device tree stub [ controller @ offset 0x31a000 ]
+ *
+ * Copyright 2011 - 2014 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.
+ */
+
+bman: bman@31a000 {
+	compatible = "fsl,bman";
+	reg = <0x31a000 0x1000>;
+	interrupts = <16 2 1 2>;
+	fsl,bman-portals = <&bportals>;
+	memory-region = <&bman_fbpr>;
+};
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-qman1-portals.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-qman1-portals.dtsi
new file mode 100644
index 00000000000..05d51acafa6
--- /dev/null
+++ b/arch/powerpc/boot/dts/fsl/qoriq-qman1-portals.dtsi
@@ -0,0 +1,101 @@
+/*
+ * QorIQ QMan Portal device tree stub for 10 portals & 15 pool channels
+ *
+ * Copyright 2011 - 2014 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.
+ */
+
+&qportals {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	compatible = "simple-bus";
+
+	qportal0: qman-portal@0 {
+		compatible = "fsl,qman-portal";
+		reg = <0x0 0x4000>, <0x100000 0x1000>;
+		interrupts = <104 2 0 0>;
+		fsl,qman-channel-id = <0x0>;
+	};
+	qportal1: qman-portal@4000 {
+		compatible = "fsl,qman-portal";
+		reg = <0x4000 0x4000>, <0x101000 0x1000>;
+		interrupts = <106 2 0 0>;
+		fsl,qman-channel-id = <1>;
+	};
+	qportal2: qman-portal@8000 {
+		compatible = "fsl,qman-portal";
+		reg = <0x8000 0x4000>, <0x102000 0x1000>;
+		interrupts = <108 2 0 0>;
+		fsl,qman-channel-id = <2>;
+	};
+	qportal3: qman-portal@c000 {
+		compatible = "fsl,qman-portal";
+		reg = <0xc000 0x4000>, <0x103000 0x1000>;
+		interrupts = <110 2 0 0>;
+		fsl,qman-channel-id = <3>;
+	};
+	qportal4: qman-portal@10000 {
+		compatible = "fsl,qman-portal";
+		reg = <0x10000 0x4000>, <0x104000 0x1000>;
+		interrupts = <112 2 0 0>;
+		fsl,qman-channel-id = <4>;
+	};
+	qportal5: qman-portal@14000 {
+		compatible = "fsl,qman-portal";
+		reg = <0x14000 0x4000>, <0x105000 0x1000>;
+		interrupts = <114 2 0 0>;
+		fsl,qman-channel-id = <5>;
+	};
+	qportal6: qman-portal@18000 {
+		compatible = "fsl,qman-portal";
+		reg = <0x18000 0x4000>, <0x106000 0x1000>;
+		interrupts = <116 2 0 0>;
+		fsl,qman-channel-id = <6>;
+	};
+
+	qportal7: qman-portal@1c000 {
+		compatible = "fsl,qman-portal";
+		reg = <0x1c000 0x4000>, <0x107000 0x1000>;
+		interrupts = <118 2 0 0>;
+		fsl,qman-channel-id = <7>;
+	};
+	qportal8: qman-portal@20000 {
+		compatible = "fsl,qman-portal";
+		reg = <0x20000 0x4000>, <0x108000 0x1000>;
+		interrupts = <120 2 0 0>;
+		fsl,qman-channel-id = <8>;
+	};
+	qportal9: qman-portal@24000 {
+		compatible = "fsl,qman-portal";
+		reg = <0x24000 0x4000>, <0x109000 0x1000>;
+		interrupts = <122 2 0 0>;
+		fsl,qman-channel-id = <9>;
+	};
+};
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-qman1.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-qman1.dtsi
new file mode 100644
index 00000000000..0695778c438
--- /dev/null
+++ b/arch/powerpc/boot/dts/fsl/qoriq-qman1.dtsi
@@ -0,0 +1,41 @@
+/*
+ * QorIQ QMan device tree stub [ controller @ offset 0x318000 ]
+ *
+ * Copyright 2011 - 2014 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.
+ */
+
+qman: qman@318000 {
+	compatible = "fsl,qman";
+	reg = <0x318000 0x1000>;
+	interrupts = <16 2 1 3>;
+	fsl,qman-portals = <&qportals>;
+	memory-region = <&qman_fqd &qman_pfdr>;
+};
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-qman3.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-qman3.dtsi
new file mode 100644
index 00000000000..b379abd1439
--- /dev/null
+++ b/arch/powerpc/boot/dts/fsl/qoriq-qman3.dtsi
@@ -0,0 +1,41 @@
+/*
+ * QorIQ QMan rev3 device tree stub [ controller @ offset 0x318000 ]
+ *
+ * Copyright 2014 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.
+ */
+
+qman: qman@318000 {
+	compatible = "fsl,qman";
+	reg = <0x318000 0x2000>;
+	interrupts = <16 2 1 3>;
+	fsl,qman-portals = <&qportals>;
+	memory-region = <&qman_fqd &qman_pfdr>;
+};
diff --git a/arch/powerpc/boot/dts/mvme2500.dts b/arch/powerpc/boot/dts/mvme2500.dts
new file mode 100644
index 00000000000..67714cf0f74
--- /dev/null
+++ b/arch/powerpc/boot/dts/mvme2500.dts
@@ -0,0 +1,280 @@
+/*
+ * Device tree source for the Emerson/Artesyn MVME2500
+ *
+ * Copyright 2014 Elettra-Sincrotrone Trieste S.C.p.A.
+ *
+ * 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.
+ *
+ * Based on: P2020 DS Device Tree Source
+ * Copyright 2009 Freescale Semiconductor Inc.
+ */
+
+/include/ "fsl/p2020si-pre.dtsi"
+
+/ {
+	model = "MVME2500";
+	compatible = "artesyn,MVME2500";
+
+	aliases {
+		serial2 = &serial2;
+		serial3 = &serial3;
+		serial4 = &serial4;
+		serial5 = &serial5;
+	};
+
+	memory {
+		device_type = "memory";
+	};
+
+	soc: soc@ffe00000 {
+		ranges = <0x0 0 0xffe00000 0x100000>;
+
+		i2c@3000 {
+			hwmon@4c {
+				compatible = "adi,adt7461";
+				reg = <0x4c>;
+			};
+
+			rtc@68 {
+				compatible = "dallas,ds1337";
+				reg = <0x68>;
+				interrupts = <8 1 0 0>;
+			};
+
+			eeprom@54 {
+				compatible = "atmel,24c64";
+				reg = <0x54>;
+			};
+
+			eeprom@52 {
+				compatible = "atmel,24c512";
+				reg = <0x52>;
+			};
+
+			eeprom@53 {
+				compatible = "atmel,24c512";
+				reg = <0x53>;
+			};
+
+			eeprom@50 {
+				compatible = "atmel,24c02";
+				reg = <0x50>;
+			};
+
+		};
+
+		spi0: spi@7000 {
+			fsl,espi-num-chipselects = <2>;
+
+			flash@0 {
+				compatible = "atmel,at25df641";
+				reg = <0>;
+				spi-max-frequency = <10000000>;
+			};
+			flash@1 {
+				compatible = "atmel,at25df641";
+				reg = <1>;
+				spi-max-frequency = <10000000>;
+			};
+		};
+
+		usb@22000 {
+			dr_mode = "host";
+			phy_type = "ulpi";
+		};
+
+		enet0: ethernet@24000 {
+			tbi-handle = <&tbi0>;
+			phy-handle = <&phy1>;
+			phy-connection-type = "rgmii-id";
+		};
+
+		mdio@24520 {
+			phy1: ethernet-phy@1 {
+				compatible = "brcm,bcm54616S";
+				interrupts = <6 1 0 0>;
+				reg = <0x1>;
+			};
+
+			phy2: ethernet-phy@2 {
+				compatible = "brcm,bcm54616S";
+				interrupts = <6 1 0 0>;
+				reg = <0x2>;
+			};
+
+			phy3: ethernet-phy@3 {
+				compatible = "brcm,bcm54616S";
+				interrupts = <5 1 0 0>;
+				reg = <0x3>;
+			};
+
+			phy7: ethernet-phy@7 {
+				compatible = "brcm,bcm54616S";
+				interrupts = <7 1 0 0>;
+				reg = <0x7>;
+			};
+
+			tbi0: tbi-phy@11 {
+				reg = <0x11>;
+				device_type = "tbi-phy";
+			};
+		};
+
+		enet1: ethernet@25000 {
+			tbi-handle = <&tbi1>;
+			phy-handle = <&phy7>;
+			phy-connection-type = "rgmii-id";
+		};
+
+		mdio@25520 {
+			tbi1: tbi-phy@11 {
+				reg = <0x11>;
+				device_type = "tbi-phy";
+			};
+		};
+
+		enet2: ethernet@26000 {
+			tbi-handle = <&tbi2>;
+			phy-handle = <&phy3>;
+			phy-connection-type = "rgmii-id";
+		};
+
+		mdio@26520 {
+			tbi2: tbi-phy@11 {
+				reg = <0x11>;
+				device_type = "tbi-phy";
+			};
+		};
+	};
+
+	lbc: localbus@ffe05000 {
+		reg = <0 0xffe05000 0 0x1000>;
+
+		ranges = <0x0 0x0 0x0 0xfff00000 0x00080000
+			  0x1 0x0 0x0 0xffc40000 0x00010000
+			  0x2 0x0 0x0 0xffc50000 0x00010000
+			  0x3 0x0 0x0 0xffc60000 0x00010000
+			  0x4 0x0 0x0 0xffc70000 0x00010000
+			  0x6 0x0 0x0 0xffc80000 0x00010000
+			  0x5 0x0 0x0 0xffdf0000 0x00008000>;
+
+		serial2: serial@1,0 {
+			device_type = "serial";
+			compatible = "ns16550";
+			reg = <0x1 0x0 0x100>;
+			clock-frequency = <1843200>;
+			interrupts = <11 2 0 0>;
+		};
+
+		serial3: serial@2,0 {
+			device_type = "serial";
+			compatible = "ns16550";
+			reg = <0x2 0x0 0x100>;
+			clock-frequency = <1843200>;
+			interrupts = <1 2 0 0>;
+		};
+
+		serial4: serial@3,0 {
+			device_type = "serial";
+			compatible = "ns16550";
+			reg = <0x3 0x0 0x100>;
+			clock-frequency = <1843200>;
+			interrupts = <2 2 0 0>;
+		};
+
+		serial5: serial@4,0 {
+			device_type = "serial";
+			compatible = "ns16550";
+			reg = <0x4 0x0 0x100>;
+			clock-frequency = <1843200>;
+			interrupts = <3 2 0 0>;
+		};
+
+		mram@0,0 {
+			compatible = "everspin,mram", "mtd-ram";
+			reg = <0x0 0x0 0x80000>;
+			bank-width = <2>;
+		};
+
+		board-control@5,0 {
+			compatible = "artesyn,mvme2500-fpga";
+			reg = <0x5 0x0 0x01000>;
+		};
+
+		cpld@6,0 {
+			compatible = "artesyn,mvme2500-cpld";
+			reg = <0x6 0x0 0x10000>;
+			interrupts = <9 1 0 0>;
+		};
+	};
+
+	pci0: pcie@ffe08000 {
+		reg = <0 0xffe08000 0 0x1000>;
+		ranges = <0x2000000 0x0 0x80000000 0 0x80000000 0x0 0x20000000
+			  0x1000000 0x0 0x00000000 0 0xffc00000 0x0 0x10000>;
+		pcie@0 {
+			ranges = <0x2000000 0x0 0x80000000
+				  0x2000000 0x0 0x80000000
+				  0x0 0x20000000
+
+				  0x1000000 0x0 0x0
+				  0x1000000 0x0 0x0
+				  0x0 0x10000>;
+		};
+	};
+
+	pci1: pcie@ffe09000 {
+		reg = <0 0xffe09000 0 0x1000>;
+		ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000
+			  0x1000000 0x0 0x00000000 0 0xffc10000 0x0 0x10000>;
+		pcie@0 {
+			ranges = <0x2000000 0x0 0xa0000000
+				  0x2000000 0x0 0xa0000000
+				  0x0 0x20000000
+
+				  0x1000000 0x0 0x0
+				  0x1000000 0x0 0x0
+				  0x0 0x10000>;
+		};
+
+	};
+
+	pci2: pcie@ffe0a000 {
+		reg = <0 0xffe0a000 0 0x1000>;
+		ranges = <0x2000000 0x0 0xc0000000 0 0xc0000000 0x0 0x20000000
+			  0x1000000 0x0 0x00000000 0 0xffc20000 0x0 0x10000>;
+		pcie@0 {
+			ranges = <0x2000000 0x0 0xc0000000
+				  0x2000000 0x0 0xc0000000
+				  0x0 0x20000000
+
+				  0x1000000 0x0 0x0
+				  0x1000000 0x0 0x0
+				  0x0 0x10000>;
+		};
+	};
+};
+
+/include/ "fsl/p2020si-post.dtsi"
+
+/ {
+	soc@ffe00000 {
+		serial@4600 {
+			status = "disabled";
+		};
+
+		i2c@3100 {
+			status = "disabled";
+		};
+
+		sdhc@2e000 {
+			compatible = "fsl,p2020-esdhc", "fsl,esdhc";
+			non-removable;
+		};
+
+	};
+
+};
diff --git a/arch/powerpc/boot/dts/t4240emu.dts b/arch/powerpc/boot/dts/t4240emu.dts
deleted file mode 100644
index decaf357db9..00000000000
--- a/arch/powerpc/boot/dts/t4240emu.dts
+++ /dev/null
@@ -1,281 +0,0 @@
-/*
- * T4240 emulator Device Tree Source
- *
- * Copyright 2013 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.
- */
-
-/dts-v1/;
-
-/include/ "fsl/e6500_power_isa.dtsi"
-/ {
-	compatible = "fsl,T4240";
-	#address-cells = <2>;
-	#size-cells = <2>;
-	interrupt-parent = <&mpic>;
-
-	aliases {
-		ccsr = &soc;
-
-		serial0 = &serial0;
-		serial1 = &serial1;
-		serial2 = &serial2;
-		serial3 = &serial3;
-		dma0 = &dma0;
-		dma1 = &dma1;
-	};
-
-	cpus {
-		#address-cells = <1>;
-		#size-cells = <0>;
-
-		cpu0: PowerPC,e6500@0 {
-			device_type = "cpu";
-			reg = <0 1>;
-			next-level-cache = <&L2_1>;
-			fsl,portid-mapping = <0x80000000>;
-		};
-		cpu1: PowerPC,e6500@2 {
-			device_type = "cpu";
-			reg = <2 3>;
-			next-level-cache = <&L2_1>;
-			fsl,portid-mapping = <0x80000000>;
-		};
-		cpu2: PowerPC,e6500@4 {
-			device_type = "cpu";
-			reg = <4 5>;
-			next-level-cache = <&L2_1>;
-			fsl,portid-mapping = <0x80000000>;
-		};
-		cpu3: PowerPC,e6500@6 {
-			device_type = "cpu";
-			reg = <6 7>;
-			next-level-cache = <&L2_1>;
-			fsl,portid-mapping = <0x80000000>;
-		};
-
-		cpu4: PowerPC,e6500@8 {
-			device_type = "cpu";
-			reg = <8 9>;
-			next-level-cache = <&L2_2>;
-			fsl,portid-mapping = <0x40000000>;
-		};
-		cpu5: PowerPC,e6500@10 {
-			device_type = "cpu";
-			reg = <10 11>;
-			next-level-cache = <&L2_2>;
-			fsl,portid-mapping = <0x40000000>;
-		};
-		cpu6: PowerPC,e6500@12 {
-			device_type = "cpu";
-			reg = <12 13>;
-			next-level-cache = <&L2_2>;
-			fsl,portid-mapping = <0x40000000>;
-		};
-		cpu7: PowerPC,e6500@14 {
-			device_type = "cpu";
-			reg = <14 15>;
-			next-level-cache = <&L2_2>;
-			fsl,portid-mapping = <0x40000000>;
-		};
-
-		cpu8: PowerPC,e6500@16 {
-			device_type = "cpu";
-			reg = <16 17>;
-			next-level-cache = <&L2_3>;
-			fsl,portid-mapping = <0x20000000>;
-		};
-		cpu9: PowerPC,e6500@18 {
-			device_type = "cpu";
-			reg = <18 19>;
-			next-level-cache = <&L2_3>;
-			fsl,portid-mapping = <0x20000000>;
-		};
-		cpu10: PowerPC,e6500@20 {
-			device_type = "cpu";
-			reg = <20 21>;
-			next-level-cache = <&L2_3>;
-			fsl,portid-mapping = <0x20000000>;
-		};
-		cpu11: PowerPC,e6500@22 {
-			device_type = "cpu";
-			reg = <22 23>;
-			next-level-cache = <&L2_3>;
-			fsl,portid-mapping = <0x20000000>;
-		};
-	};
-};
-
-/ {
-	model = "fsl,T4240QDS";
-	compatible = "fsl,T4240EMU", "fsl,T4240QDS";
-	#address-cells = <2>;
-	#size-cells = <2>;
-	interrupt-parent = <&mpic>;
-
-	ifc: localbus@ffe124000 {
-		reg = <0xf 0xfe124000 0 0x2000>;
-		ranges = <0 0 0xf 0xe8000000 0x08000000
-			  2 0 0xf 0xff800000 0x00010000
-			  3 0 0xf 0xffdf0000 0x00008000>;
-
-		nor@0,0 {
-			#address-cells = <1>;
-			#size-cells = <1>;
-			compatible = "cfi-flash";
-			reg = <0x0 0x0 0x8000000>;
-
-			bank-width = <2>;
-			device-width = <1>;
-		};
-
-	};
-
-	memory {
-		device_type = "memory";
-	};
-
-	soc: soc@ffe000000 {
-		ranges = <0x00000000 0xf 0xfe000000 0x1000000>;
-		reg = <0xf 0xfe000000 0 0x00001000>;
-
-	};
-};
-
-&ifc {
-	#address-cells = <2>;
-	#size-cells = <1>;
-	compatible = "fsl,ifc", "simple-bus";
-	interrupts = <25 2 0 0>;
-};
-
-&soc {
-	#address-cells = <1>;
-	#size-cells = <1>;
-	device_type = "soc";
-	compatible = "simple-bus";
-
-	soc-sram-error {
-		compatible = "fsl,soc-sram-error";
-		interrupts = <16 2 1 29>;
-	};
-
-	corenet-law@0 {
-		compatible = "fsl,corenet-law";
-		reg = <0x0 0x1000>;
-		fsl,num-laws = <32>;
-	};
-
-	ddr1: memory-controller@8000 {
-		compatible = "fsl,qoriq-memory-controller-v4.7",
-				"fsl,qoriq-memory-controller";
-		reg = <0x8000 0x1000>;
-		interrupts = <16 2 1 23>;
-	};
-
-	ddr2: memory-controller@9000 {
-		compatible = "fsl,qoriq-memory-controller-v4.7",
-				"fsl,qoriq-memory-controller";
-		reg = <0x9000 0x1000>;
-		interrupts = <16 2 1 22>;
-	};
-
-	ddr3: memory-controller@a000 {
-		compatible = "fsl,qoriq-memory-controller-v4.7",
-				"fsl,qoriq-memory-controller";
-		reg = <0xa000 0x1000>;
-		interrupts = <16 2 1 21>;
-	};
-
-	cpc: l3-cache-controller@10000 {
-		compatible = "fsl,t4240-l3-cache-controller", "cache";
-		reg = <0x10000 0x1000
-		       0x11000 0x1000
-		       0x12000 0x1000>;
-		interrupts = <16 2 1 27
-			      16 2 1 26
-			      16 2 1 25>;
-	};
-
-	corenet-cf@18000 {
-		compatible = "fsl,corenet2-cf", "fsl,corenet-cf";
-		reg = <0x18000 0x1000>;
-		interrupts = <16 2 1 31>;
-		fsl,ccf-num-csdids = <32>;
-		fsl,ccf-num-snoopids = <32>;
-	};
-
-	iommu@20000 {
-		compatible = "fsl,pamu-v1.0", "fsl,pamu";
-		reg = <0x20000 0x6000>;
-		fsl,portid-mapping = <0x8000>;
-		interrupts = <
-			24 2 0 0
-			16 2 1 30>;
-	};
-
-/include/ "fsl/qoriq-mpic.dtsi"
-
-	guts: global-utilities@e0000 {
-		compatible = "fsl,t4240-device-config", "fsl,qoriq-device-config-2.0";
-		reg = <0xe0000 0xe00>;
-		fsl,has-rstcr;
-		fsl,liodn-bits = <12>;
-	};
-
-/include/ "fsl/qoriq-clockgen2.dtsi"
-	global-utilities@e1000 {
-		compatible = "fsl,t4240-clockgen", "fsl,qoriq-clockgen-2.0";
-	};
-
-/include/ "fsl/qoriq-dma-0.dtsi"
-/include/ "fsl/qoriq-dma-1.dtsi"
-
-/include/ "fsl/qoriq-i2c-0.dtsi"
-/include/ "fsl/qoriq-i2c-1.dtsi"
-/include/ "fsl/qoriq-duart-0.dtsi"
-/include/ "fsl/qoriq-duart-1.dtsi"
-
-	L2_1: l2-cache-controller@c20000 {
-		compatible = "fsl,t4240-l2-cache-controller";
-		reg = <0xc20000 0x40000>;
-		next-level-cache = <&cpc>;
-	};
-	L2_2: l2-cache-controller@c60000 {
-		compatible = "fsl,t4240-l2-cache-controller";
-		reg = <0xc60000 0x40000>;
-		next-level-cache = <&cpc>;
-	};
-	L2_3: l2-cache-controller@ca0000 {
-		compatible = "fsl,t4240-l2-cache-controller";
-		reg = <0xca0000 0x40000>;
-		next-level-cache = <&cpc>;
-	};
-};
diff --git a/arch/powerpc/configs/corenet32_smp_defconfig b/arch/powerpc/configs/corenet32_smp_defconfig
index 2826bb4ff56..51866f17068 100644
--- a/arch/powerpc/configs/corenet32_smp_defconfig
+++ b/arch/powerpc/configs/corenet32_smp_defconfig
@@ -75,6 +75,7 @@ CONFIG_MTD_PHYSMAP_OF=y
 CONFIG_MTD_NAND=y
 CONFIG_MTD_NAND_FSL_ELBC=y
 CONFIG_MTD_NAND_FSL_IFC=y
+CONFIG_MTD_SPI_NOR=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=131072
@@ -92,6 +93,7 @@ CONFIG_SATA_SIL=y
 CONFIG_PATA_SIL680=y
 CONFIG_NETDEVICES=y
 CONFIG_FSL_PQ_MDIO=y
+CONFIG_FSL_XGMAC_MDIO=y
 CONFIG_E1000=y
 CONFIG_E1000E=y
 CONFIG_AT803X_PHY=y
diff --git a/arch/powerpc/configs/corenet64_smp_defconfig b/arch/powerpc/configs/corenet64_smp_defconfig
index 6db97e4414b..d6c0c819895 100644
--- a/arch/powerpc/configs/corenet64_smp_defconfig
+++ b/arch/powerpc/configs/corenet64_smp_defconfig
@@ -69,6 +69,7 @@ CONFIG_MTD_PHYSMAP_OF=y
 CONFIG_MTD_NAND=y
 CONFIG_MTD_NAND_FSL_ELBC=y
 CONFIG_MTD_NAND_FSL_IFC=y
+CONFIG_MTD_SPI_NOR=y
 CONFIG_MTD_UBI=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
@@ -79,7 +80,11 @@ CONFIG_SATA_FSL=y
 CONFIG_SATA_SIL24=y
 CONFIG_NETDEVICES=y
 CONFIG_DUMMY=y
+CONFIG_FSL_PQ_MDIO=y
+CONFIG_FSL_XGMAC_MDIO=y
 CONFIG_E1000E=y
+CONFIG_VITESSE_PHY=y
+CONFIG_FIXED_PHY=y
 CONFIG_INPUT_FF_MEMLESS=m
 # CONFIG_INPUT_MOUSEDEV is not set
 # CONFIG_INPUT_KEYBOARD is not set
diff --git a/arch/powerpc/configs/mpc85xx_defconfig b/arch/powerpc/configs/mpc85xx_defconfig
index cfae862d634..8535c343dd5 100644
--- a/arch/powerpc/configs/mpc85xx_defconfig
+++ b/arch/powerpc/configs/mpc85xx_defconfig
@@ -42,6 +42,7 @@ CONFIG_TQM8548=y
 CONFIG_TQM8555=y
 CONFIG_TQM8560=y
 CONFIG_SBC8548=y
+CONFIG_MVME2500=y
 CONFIG_QUICC_ENGINE=y
 CONFIG_QE_GPIO=y
 CONFIG_HIGHMEM=y
@@ -49,6 +50,8 @@ CONFIG_BINFMT_MISC=m
 CONFIG_MATH_EMULATION=y
 CONFIG_FORCE_MAX_ZONEORDER=12
 CONFIG_PCI=y
+CONFIG_PCIEPORTBUS=y
+# CONFIG_PCIEASPM is not set
 CONFIG_PCI_MSI=y
 CONFIG_RAPIDIO=y
 CONFIG_NET=y
@@ -85,10 +88,14 @@ CONFIG_FTL=y
 CONFIG_MTD_CFI=y
 CONFIG_MTD_CFI_INTELEXT=y
 CONFIG_MTD_CFI_AMDSTD=y
+CONFIG_MTD_PHYSMAP=y
 CONFIG_MTD_PHYSMAP_OF=y
+CONFIG_MTD_PLATRAM=y
+CONFIG_MTD_M25P80=y
 CONFIG_MTD_NAND=y
 CONFIG_MTD_NAND_FSL_ELBC=y
 CONFIG_MTD_NAND_FSL_IFC=y
+CONFIG_MTD_SPI_NOR=y
 CONFIG_MTD_UBI=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_NBD=y
@@ -120,6 +127,7 @@ CONFIG_MARVELL_PHY=y
 CONFIG_DAVICOM_PHY=y
 CONFIG_CICADA_PHY=y
 CONFIG_VITESSE_PHY=y
+CONFIG_BROADCOM_PHY=y
 CONFIG_FIXED_PHY=y
 CONFIG_INPUT_FF_MEMLESS=m
 # CONFIG_INPUT_MOUSEDEV is not set
@@ -128,8 +136,8 @@ CONFIG_INPUT_FF_MEMLESS=m
 CONFIG_SERIO_LIBPS2=y
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_SERIAL_8250_NR_UARTS=2
-CONFIG_SERIAL_8250_RUNTIME_UARTS=2
+CONFIG_SERIAL_8250_NR_UARTS=6
+CONFIG_SERIAL_8250_RUNTIME_UARTS=6
 CONFIG_SERIAL_8250_MANY_PORTS=y
 CONFIG_SERIAL_8250_DETECT_IRQ=y
 CONFIG_SERIAL_8250_RSA=y
@@ -142,7 +150,8 @@ CONFIG_SPI=y
 CONFIG_SPI_FSL_SPI=y
 CONFIG_SPI_FSL_ESPI=y
 CONFIG_GPIO_MPC8XXX=y
-# CONFIG_HWMON is not set
+CONFIG_HWMON=m
+CONFIG_SENSORS_LM90=m
 CONFIG_FB=y
 CONFIG_FB_FSL_DIU=y
 # CONFIG_VGA_CONSOLE is not set
@@ -185,6 +194,7 @@ CONFIG_MMC_SDHCI_PLTFM=y
 CONFIG_MMC_SDHCI_OF_ESDHC=y
 CONFIG_EDAC=y
 CONFIG_EDAC_MM_EDAC=y
+CONFIG_EDAC_MPC85XX=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_DS1307=y
 CONFIG_RTC_DRV_DS1374=y
diff --git a/arch/powerpc/configs/mpc85xx_smp_defconfig b/arch/powerpc/configs/mpc85xx_smp_defconfig
index 5b79adb64ce..c45ad2e01b0 100644
--- a/arch/powerpc/configs/mpc85xx_smp_defconfig
+++ b/arch/powerpc/configs/mpc85xx_smp_defconfig
@@ -91,6 +91,7 @@ CONFIG_MTD_PHYSMAP_OF=y
 CONFIG_MTD_NAND=y
 CONFIG_MTD_NAND_FSL_ELBC=y
 CONFIG_MTD_NAND_FSL_IFC=y
+CONFIG_MTD_SPI_NOR=y
 CONFIG_MTD_UBI=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_NBD=y
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 725247beebe..546d036fe92 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -119,6 +119,10 @@ extern void setup_indirect_pci(struct pci_controller* hose,
 extern int indirect_read_config(struct pci_bus *bus, unsigned int devfn,
 				int offset, int len, u32 *val);
 
+extern int __indirect_read_config(struct pci_controller *hose,
+				  unsigned char bus_number, unsigned int devfn,
+				  int offset, int len, u32 *val);
+
 extern int indirect_write_config(struct pci_bus *bus, unsigned int devfn,
 				 int offset, int len, u32 val);
 
diff --git a/arch/powerpc/include/asm/pgtable-ppc32.h b/arch/powerpc/include/asm/pgtable-ppc32.h
index 234e07c4780..26ce0ab0a9e 100644
--- a/arch/powerpc/include/asm/pgtable-ppc32.h
+++ b/arch/powerpc/include/asm/pgtable-ppc32.h
@@ -178,12 +178,11 @@ static inline unsigned long pte_update(pte_t *p,
 	andc	%1,%0,%5\n\
 	or	%1,%1,%6\n\
 	/* 0x200 == Extended encoding, bit 22 */ \
-	/* Bit 22 has to be 1 if neither _PAGE_USER nor _PAGE_RW are set */ \
-	rlwimi	%1,%1,32-2,0x200\n /* get _PAGE_USER */ \
-	rlwinm	%3,%1,32-1,0x200\n /* get _PAGE_RW */ \
-	or	%1,%3,%1\n\
-	xori	%1,%1,0x200\n"
-"	stwcx.	%1,0,%4\n\
+	/* Bit 22 has to be 1 when _PAGE_USER is unset and _PAGE_RO is set */ \
+	rlwimi	%1,%1,32-1,0x200\n /* get _PAGE_RO */ \
+	rlwinm	%3,%1,32-2,0x200\n /* get _PAGE_USER */ \
+	andc	%1,%1,%3\n\
+	stwcx.	%1,0,%4\n\
 	bne-	1b"
 	: "=&r" (old), "=&r" (tmp), "=m" (*p), "=&r" (tmp2)
 	: "r" (p), "r" (clr), "r" (set), "m" (*p)
@@ -275,7 +274,7 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
 static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
 				      pte_t *ptep)
 {
-	pte_update(ptep, (_PAGE_RW | _PAGE_HWWRITE), 0);
+	pte_update(ptep, (_PAGE_RW | _PAGE_HWWRITE), _PAGE_RO);
 }
 static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
 					   unsigned long addr, pte_t *ptep)
@@ -286,9 +285,11 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
 
 static inline void __ptep_set_access_flags(pte_t *ptep, pte_t entry)
 {
-	unsigned long bits = pte_val(entry) &
+	unsigned long set = pte_val(entry) &
 		(_PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_RW | _PAGE_EXEC);
-	pte_update(ptep, 0, bits);
+	unsigned long clr = ~pte_val(entry) & _PAGE_RO;
+
+	pte_update(ptep, clr, set);
 }
 
 #define __HAVE_ARCH_PTE_SAME
@@ -346,10 +347,14 @@ static inline void __ptep_set_access_flags(pte_t *ptep, pte_t entry)
 #define pte_to_pgoff(pte)	(pte_val(pte) >> 3)
 #define pgoff_to_pte(off)	((pte_t) { ((off) << 3) | _PAGE_FILE })
 
+#ifndef CONFIG_PPC_4K_PAGES
+void pgtable_cache_init(void);
+#else
 /*
  * No page table caches to initialise
  */
 #define pgtable_cache_init()	do { } while (0)
+#endif
 
 extern int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep,
 		      pmd_t **pmdp);
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index a8805fee0df..7e77f2ca513 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -30,7 +30,8 @@ struct mm_struct;
 #include <asm/tlbflush.h>
 
 /* Generic accessors to PTE bits */
-static inline int pte_write(pte_t pte)		{ return pte_val(pte) & _PAGE_RW; }
+static inline int pte_write(pte_t pte)
+{	return (pte_val(pte) & (_PAGE_RW | _PAGE_RO)) != _PAGE_RO; }
 static inline int pte_dirty(pte_t pte)		{ return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte)		{ return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_file(pte_t pte)		{ return pte_val(pte) & _PAGE_FILE; }
@@ -115,12 +116,14 @@ static inline unsigned long pte_pfn(pte_t pte)	{
 
 /* Generic modifiers for PTE bits */
 static inline pte_t pte_wrprotect(pte_t pte) {
-	pte_val(pte) &= ~(_PAGE_RW | _PAGE_HWWRITE); return pte; }
+	pte_val(pte) &= ~(_PAGE_RW | _PAGE_HWWRITE);
+	pte_val(pte) |= _PAGE_RO; return pte; }
 static inline pte_t pte_mkclean(pte_t pte) {
 	pte_val(pte) &= ~(_PAGE_DIRTY | _PAGE_HWWRITE); return pte; }
 static inline pte_t pte_mkold(pte_t pte) {
 	pte_val(pte) &= ~_PAGE_ACCESSED; return pte; }
 static inline pte_t pte_mkwrite(pte_t pte) {
+	pte_val(pte) &= ~_PAGE_RO;
 	pte_val(pte) |= _PAGE_RW; return pte; }
 static inline pte_t pte_mkdirty(pte_t pte) {
 	pte_val(pte) |= _PAGE_DIRTY; return pte; }
diff --git a/arch/powerpc/include/asm/pte-8xx.h b/arch/powerpc/include/asm/pte-8xx.h
index daa4616e61c..eb6edb44f14 100644
--- a/arch/powerpc/include/asm/pte-8xx.h
+++ b/arch/powerpc/include/asm/pte-8xx.h
@@ -46,9 +46,9 @@
  * require a TLB exception handler change.  It is assumed unused bits
  * are always zero.
  */
-#define _PAGE_RW	0x0400	/* lsb PP bits, inverted in HW */
+#define _PAGE_RO	0x0400	/* lsb PP bits */
 #define _PAGE_USER	0x0800	/* msb PP bits */
-/* set when neither _PAGE_USER nor _PAGE_RW are set */
+/* set when _PAGE_USER is unset and _PAGE_RO is set */
 #define _PAGE_KNLRO	0x0200
 
 #define _PMD_PRESENT	0x0001
@@ -62,9 +62,8 @@
 #define PTE_ATOMIC_UPDATES	1
 
 /* We need to add _PAGE_SHARED to kernel pages */
-#define _PAGE_KERNEL_RO	(_PAGE_SHARED | _PAGE_KNLRO)
-#define _PAGE_KERNEL_ROX	(_PAGE_EXEC | _PAGE_KNLRO)
-#define _PAGE_KERNEL_RW	(_PAGE_DIRTY | _PAGE_RW | _PAGE_HWWRITE)
+#define _PAGE_KERNEL_RO	(_PAGE_SHARED | _PAGE_RO | _PAGE_KNLRO)
+#define _PAGE_KERNEL_ROX	(_PAGE_EXEC | _PAGE_RO | _PAGE_KNLRO)
 
 #endif /* __KERNEL__ */
 #endif /*  _ASM_POWERPC_PTE_8xx_H */
diff --git a/arch/powerpc/include/asm/pte-common.h b/arch/powerpc/include/asm/pte-common.h
index e040c359512..2aef9b7a0eb 100644
--- a/arch/powerpc/include/asm/pte-common.h
+++ b/arch/powerpc/include/asm/pte-common.h
@@ -34,6 +34,12 @@
 #ifndef _PAGE_PSIZE
 #define _PAGE_PSIZE		0
 #endif
+/* _PAGE_RO and _PAGE_RW shall not be defined at the same time */
+#ifndef _PAGE_RO
+#define _PAGE_RO 0
+#else
+#define _PAGE_RW 0
+#endif
 #ifndef _PMD_PRESENT_MASK
 #define _PMD_PRESENT_MASK	_PMD_PRESENT
 #endif
@@ -42,10 +48,10 @@
 #define PMD_PAGE_SIZE(pmd)	bad_call_to_PMD_PAGE_SIZE()
 #endif
 #ifndef _PAGE_KERNEL_RO
-#define _PAGE_KERNEL_RO		0
+#define _PAGE_KERNEL_RO		(_PAGE_RO)
 #endif
 #ifndef _PAGE_KERNEL_ROX
-#define _PAGE_KERNEL_ROX	(_PAGE_EXEC)
+#define _PAGE_KERNEL_ROX	(_PAGE_EXEC | _PAGE_RO)
 #endif
 #ifndef _PAGE_KERNEL_RW
 #define _PAGE_KERNEL_RW		(_PAGE_DIRTY | _PAGE_RW | _PAGE_HWWRITE)
@@ -95,7 +101,7 @@ extern unsigned long bad_call_to_PMD_PAGE_SIZE(void);
 /* Mask of bits returned by pte_pgprot() */
 #define PAGE_PROT_BITS	(_PAGE_GUARDED | _PAGE_COHERENT | _PAGE_NO_CACHE | \
 			 _PAGE_WRITETHRU | _PAGE_ENDIAN | _PAGE_4K_PFN | \
-			 _PAGE_USER | _PAGE_ACCESSED | \
+			 _PAGE_USER | _PAGE_ACCESSED | _PAGE_RO | \
 			 _PAGE_RW | _PAGE_HWWRITE | _PAGE_DIRTY | _PAGE_EXEC)
 
 #ifdef CONFIG_NUMA_BALANCING
@@ -128,11 +134,14 @@ extern unsigned long bad_call_to_PMD_PAGE_SIZE(void);
  */
 #define PAGE_NONE	__pgprot(_PAGE_BASE)
 #define PAGE_SHARED	__pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW)
-#define PAGE_SHARED_X	__pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW | _PAGE_EXEC)
-#define PAGE_COPY	__pgprot(_PAGE_BASE | _PAGE_USER)
-#define PAGE_COPY_X	__pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_EXEC)
-#define PAGE_READONLY	__pgprot(_PAGE_BASE | _PAGE_USER)
-#define PAGE_READONLY_X	__pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_EXEC)
+#define PAGE_SHARED_X	__pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW | \
+				 _PAGE_EXEC)
+#define PAGE_COPY	__pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO)
+#define PAGE_COPY_X	__pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO | \
+				 _PAGE_EXEC)
+#define PAGE_READONLY	__pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO)
+#define PAGE_READONLY_X	__pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO | \
+				 _PAGE_EXEC)
 
 #define __P000	PAGE_NONE
 #define __P001	PAGE_READONLY
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 80840590633..f337666768a 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -1133,6 +1133,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.icache_bsize		= 32,
 		.dcache_bsize		= 32,
 		.cpu_setup		= __setup_cpu_603,
+		.machine_check		= machine_check_generic,
 		.num_pmcs		= 4,
 		.oprofile_cpu_type	= "ppc/e300",
 		.oprofile_type		= PPC_OPROFILE_FSL_EMB,
diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S
index d99aac0d69f..9b53fe139bf 100644
--- a/arch/powerpc/kernel/head_8xx.S
+++ b/arch/powerpc/kernel/head_8xx.S
@@ -319,36 +319,29 @@ InstructionTLBMiss:
 	 * pin the first 8MB of kernel memory */
 	andis.	r11, r10, 0x8000	/* Address >= 0x80000000 */
 #endif
-	mfspr	r11, SPRN_M_TW	/* Get level 1 table base address */
+	mfspr	r11, SPRN_M_TW	/* Get level 1 table */
 #ifdef CONFIG_MODULES
 	beq	3f
-	lis	r11, (swapper_pg_dir-PAGE_OFFSET)@h
-	ori	r11, r11, (swapper_pg_dir-PAGE_OFFSET)@l
+	lis	r11, (swapper_pg_dir-PAGE_OFFSET)@ha
 3:
 #endif
-	/* Extract level 1 index */
-	rlwinm	r10, r10, 32 - ((PAGE_SHIFT - 2) << 1), (PAGE_SHIFT - 2) << 1, 29
-	lwzx	r11, r10, r11	/* Get the level 1 entry */
-	rlwinm.	r10, r11,0,0,19	/* Extract page descriptor page address */
-	beq	2f		/* If zero, don't try to find a pte */
-
-	/* We have a pte table, so load the MI_TWC with the attributes
-	 * for this "segment."
-	 */
+	/* Insert level 1 index */
+	rlwimi	r11, r10, 32 - ((PAGE_SHIFT - 2) << 1), (PAGE_SHIFT - 2) << 1, 29
+	lwz	r11, (swapper_pg_dir-PAGE_OFFSET)@l(r11)	/* Get the level 1 entry */
+
+	/* Load the MI_TWC with the attributes for this "segment." */
 	MTSPR_CPU6(SPRN_MI_TWC, r11, r3)	/* Set segment attributes */
-	mfspr	r11, SPRN_SRR0	/* Get effective address of fault */
+	rlwinm	r11, r11,0,0,19	/* Extract page descriptor page address */
 	/* Extract level 2 index */
-	rlwinm	r11, r11, 32 - (PAGE_SHIFT - 2), 32 - PAGE_SHIFT, 29
+	rlwinm	r10, r10, 32 - (PAGE_SHIFT - 2), 32 - PAGE_SHIFT, 29
 	lwzx	r10, r10, r11	/* Get the pte */
 
 #ifdef CONFIG_SWAP
-	andi.	r11, r10, _PAGE_ACCESSED | _PAGE_PRESENT
-	cmpwi	cr0, r11, _PAGE_ACCESSED | _PAGE_PRESENT
-	li	r11, RPN_PATTERN
-	bne-	cr0, 2f
-#else
-	li	r11, RPN_PATTERN
+	rlwinm	r11, r10, 32-5, _PAGE_PRESENT
+	and	r11, r11, r10
+	rlwimi	r10, r11, 0, _PAGE_PRESENT
 #endif
+	li	r11, RPN_PATTERN
 	/* The Linux PTE won't go exactly into the MMU TLB.
 	 * Software indicator bits 21 and 28 must be clear.
 	 * Software indicator bits 24, 25, 26, and 27 must be
@@ -366,21 +359,6 @@ InstructionTLBMiss:
 	mfspr	r10, SPRN_SPRG_SCRATCH2
 	EXCEPTION_EPILOG_0
 	rfi
-2:
-	mfspr	r10, SPRN_SRR1
-	/* clear all error bits as TLB Miss
-	 * sets a few unconditionally
-	*/
-	rlwinm	r10, r10, 0, 0xffff
-	mtspr	SPRN_SRR1, r10
-
-	/* Restore registers */
-#ifdef CONFIG_8xx_CPU6
-	mfspr	r3, SPRN_DAR
-	mtspr	SPRN_DAR, r11	/* Tag DAR */
-#endif
-	mfspr	r10, SPRN_SPRG_SCRATCH2
-	b	InstructionTLBError1
 
 	. = 0x1200
 DataStoreTLBMiss:
@@ -395,20 +373,16 @@ DataStoreTLBMiss:
 	 * kernel page tables.
 	 */
 	andis.	r11, r10, 0x8000
-	mfspr	r11, SPRN_M_TW	/* Get level 1 table base address */
+	mfspr	r11, SPRN_M_TW	/* Get level 1 table */
 	beq	3f
-	lis	r11, (swapper_pg_dir-PAGE_OFFSET)@h
-	ori	r11, r11, (swapper_pg_dir-PAGE_OFFSET)@l
+	lis	r11, (swapper_pg_dir-PAGE_OFFSET)@ha
 3:
-	/* Extract level 1 index */
-	rlwinm	r10, r10, 32 - ((PAGE_SHIFT - 2) << 1), (PAGE_SHIFT - 2) << 1, 29
-	lwzx	r11, r10, r11	/* Get the level 1 entry */
-	rlwinm.	r10, r11,0,0,19	/* Extract page descriptor page address */
-	beq	2f		/* If zero, don't try to find a pte */
+	/* Insert level 1 index */
+	rlwimi	r11, r10, 32 - ((PAGE_SHIFT - 2) << 1), (PAGE_SHIFT - 2) << 1, 29
+	lwz	r11, (swapper_pg_dir-PAGE_OFFSET)@l(r11)	/* Get the level 1 entry */
 
 	/* We have a pte table, so load fetch the pte from the table.
 	 */
-	mfspr	r10, SPRN_MD_EPN	/* Get address of fault */
 	/* Extract level 2 index */
 	rlwinm	r10, r10, 32 - (PAGE_SHIFT - 2), 32 - PAGE_SHIFT, 29
 	rlwimi	r10, r11, 0, 0, 32 - PAGE_SHIFT - 1	/* Add level 2 base */
@@ -441,16 +415,13 @@ DataStoreTLBMiss:
 	and	r11, r11, r10
 	rlwimi	r10, r11, 0, _PAGE_PRESENT
 #endif
-	/* invert RW */
-	xori	r10, r10, _PAGE_RW
-
 	/* The Linux PTE won't go exactly into the MMU TLB.
 	 * Software indicator bits 22 and 28 must be clear.
 	 * Software indicator bits 24, 25, 26, and 27 must be
 	 * set.  All other Linux PTE bits control the behavior
 	 * of the MMU.
 	 */
-2:	li	r11, RPN_PATTERN
+	li	r11, RPN_PATTERN
 	rlwimi	r10, r11, 0, 24, 28	/* Set 24-27, clear 28 */
 	MTSPR_CPU6(SPRN_MD_RPN, r10, r3)	/* Update TLB entry */
 
@@ -469,10 +440,7 @@ DataStoreTLBMiss:
  */
 	. = 0x1300
 InstructionTLBError:
-	EXCEPTION_PROLOG_0
-InstructionTLBError1:
-	EXCEPTION_PROLOG_1
-	EXCEPTION_PROLOG_2
+	EXCEPTION_PROLOG
 	mr	r4,r12
 	mr	r5,r9
 	andis.	r10,r5,0x4000
@@ -532,30 +500,21 @@ DARFixed:/* Return from dcbx instruction bug workaround */
  /* define if you don't want to use self modifying code */
 #define NO_SELF_MODIFYING_CODE
 FixupDAR:/* Entry point for dcbx workaround. */
-#ifdef CONFIG_8xx_CPU6
-	mtspr	SPRN_DAR, r3
-#endif
 	mtspr	SPRN_SPRG_SCRATCH2, r10
 	/* fetch instruction from memory. */
 	mfspr	r10, SPRN_SRR0
 	andis.	r11, r10, 0x8000	/* Address >= 0x80000000 */
-	mfspr	r11, SPRN_M_TW	/* Get level 1 table base address */
-	beq-	3f		/* Branch if user space */
-	lis	r11, (swapper_pg_dir-PAGE_OFFSET)@h
-	ori	r11, r11, (swapper_pg_dir-PAGE_OFFSET)@l
-	/* Extract level 1 index */
-3:	rlwinm	r10, r10, 32 - ((PAGE_SHIFT - 2) << 1), (PAGE_SHIFT - 2) << 1, 29
-	lwzx	r11, r10, r11	/* Get the level 1 entry */
-	rlwinm	r10, r11,0,0,19	/* Extract page descriptor page address */
-	mfspr	r11, SPRN_SRR0	/* Get effective address of fault */
-	/* Extract level 2 index */
-	rlwinm	r11, r11, 32 - (PAGE_SHIFT - 2), 32 - PAGE_SHIFT, 29
-	lwzx	r11, r10, r11	/* Get the pte */
-#ifdef CONFIG_8xx_CPU6
-	mfspr	r3, SPRN_DAR
-#endif
+	mfspr	r11, SPRN_M_TW	/* Get level 1 table */
+	beq	3f
+	lis	r11, (swapper_pg_dir-PAGE_OFFSET)@ha
+	/* Insert level 1 index */
+3:	rlwimi	r11, r10, 32 - ((PAGE_SHIFT - 2) << 1), (PAGE_SHIFT - 2) << 1, 29
+	lwz	r11, (swapper_pg_dir-PAGE_OFFSET)@l(r11)	/* Get the level 1 entry */
+	rlwinm	r11, r11,0,0,19	/* Extract page descriptor page address */
+	/* Insert level 2 index */
+	rlwimi	r11, r10, 32 - (PAGE_SHIFT - 2), 32 - PAGE_SHIFT, 29
+	lwz	r11, 0(r11)	/* Get the pte */
 	/* concat physical page address(r11) and page offset(r10) */
-	mfspr	r10, SPRN_SRR0
 	rlwimi	r11, r10, 0, 32 - PAGE_SHIFT, 31
 	lwz	r11,0(r11)
 /* Check if it really is a dcbx instruction. */
@@ -705,8 +664,7 @@ start_here:
 	 * init's THREAD like the context switch code does, but this is
 	 * easier......until someone changes init's static structures.
 	 */
-	lis	r6, swapper_pg_dir@h
-	ori	r6, r6, swapper_pg_dir@l
+	lis	r6, swapper_pg_dir@ha
 	tophys(r6,r6)
 #ifdef CONFIG_8xx_CPU6
 	lis	r4, cpu6_errata_word@h
@@ -885,23 +843,28 @@ _GLOBAL(set_context)
 	stw	r4, 0x4(r5)
 #endif
 
+	/* Register M_TW will contain base address of level 1 table minus the
+	 * lower part of the kernel PGDIR base address, so that all accesses to
+	 * level 1 table are done relative to lower part of kernel PGDIR base
+	 * address.
+	 */
+	li	r5, (swapper_pg_dir-PAGE_OFFSET)@l
+	sub	r4, r4, r5
+	tophys	(r4, r4)
 #ifdef CONFIG_8xx_CPU6
 	lis	r6, cpu6_errata_word@h
 	ori	r6, r6, cpu6_errata_word@l
-	tophys	(r4, r4)
 	li	r7, 0x3f80
 	stw	r7, 12(r6)
 	lwz	r7, 12(r6)
-        mtspr   SPRN_M_TW, r4               /* Update MMU base address */
+#endif
+	mtspr	SPRN_M_TW, r4		/* Update pointeur to level 1 table */
+#ifdef CONFIG_8xx_CPU6
 	li	r7, 0x3380
 	stw	r7, 12(r6)
 	lwz	r7, 12(r6)
-        mtspr   SPRN_M_CASID, r3             /* Update context */
-#else
-        mtspr   SPRN_M_CASID,r3		/* Update context */
-	tophys	(r4, r4)
-	mtspr	SPRN_M_TW, r4		/* and pgd */
 #endif
+	mtspr	SPRN_M_CASID, r3	/* Update context */
 	SYNC
 	blr
 
diff --git a/arch/powerpc/mm/fsl_booke_mmu.c b/arch/powerpc/mm/fsl_booke_mmu.c
index 94cd728166d..b46912fee7c 100644
--- a/arch/powerpc/mm/fsl_booke_mmu.c
+++ b/arch/powerpc/mm/fsl_booke_mmu.c
@@ -67,8 +67,6 @@ struct tlbcamrange {
 	phys_addr_t phys;
 } tlbcam_addrs[NUM_TLBCAMS];
 
-extern unsigned int tlbcam_index;
-
 unsigned long tlbcam_sz(int idx)
 {
 	return tlbcam_addrs[idx].limit - tlbcam_addrs[idx].start + 1;
diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c
index 9cba6cba2e5..986afbc22c7 100644
--- a/arch/powerpc/mm/mmu_context_nohash.c
+++ b/arch/powerpc/mm/mmu_context_nohash.c
@@ -52,12 +52,15 @@
 #include <asm/mmu_context.h>
 #include <asm/tlbflush.h>
 
+#include "mmu_decl.h"
+
 static unsigned int first_context, last_context;
 static unsigned int next_context, nr_free_contexts;
 static unsigned long *context_map;
 static unsigned long *stale_map[NR_CPUS];
 static struct mm_struct **context_mm;
 static DEFINE_RAW_SPINLOCK(context_lock);
+static bool no_selective_tlbil;
 
 #define CTX_MAP_SIZE	\
 	(sizeof(unsigned long) * (last_context / BITS_PER_LONG + 1))
@@ -133,6 +136,38 @@ static unsigned int steal_context_smp(unsigned int id)
 }
 #endif  /* CONFIG_SMP */
 
+static unsigned int steal_all_contexts(void)
+{
+	struct mm_struct *mm;
+	int cpu = smp_processor_id();
+	unsigned int id;
+
+	for (id = first_context; id <= last_context; id++) {
+		/* Pick up the victim mm */
+		mm = context_mm[id];
+
+		pr_hardcont(" | steal %d from 0x%p", id, mm);
+
+		/* Mark this mm as having no context anymore */
+		mm->context.id = MMU_NO_CONTEXT;
+		if (id != first_context) {
+			context_mm[id] = NULL;
+			__clear_bit(id, context_map);
+#ifdef DEBUG_MAP_CONSISTENCY
+			mm->context.active = 0;
+#endif
+		}
+		__clear_bit(id, stale_map[cpu]);
+	}
+
+	/* Flush the TLB for all contexts (not to be used on SMP) */
+	_tlbil_all();
+
+	nr_free_contexts = last_context - first_context;
+
+	return first_context;
+}
+
 /* Note that this will also be called on SMP if all other CPUs are
  * offlined, which means that it may be called for cpu != 0. For
  * this to work, we somewhat assume that CPUs that are onlined
@@ -241,7 +276,10 @@ void switch_mmu_context(struct mm_struct *prev, struct mm_struct *next)
 			goto stolen;
 		}
 #endif /* CONFIG_SMP */
-		id = steal_context_up(id);
+		if (no_selective_tlbil)
+			id = steal_all_contexts();
+		else
+			id = steal_context_up(id);
 		goto stolen;
 	}
 	nr_free_contexts--;
@@ -407,12 +445,15 @@ void __init mmu_context_init(void)
 	if (mmu_has_feature(MMU_FTR_TYPE_8xx)) {
 		first_context = 0;
 		last_context = 15;
+		no_selective_tlbil = true;
 	} else if (mmu_has_feature(MMU_FTR_TYPE_47x)) {
 		first_context = 1;
 		last_context = 65535;
+		no_selective_tlbil = false;
 	} else {
 		first_context = 1;
 		last_context = 255;
+		no_selective_tlbil = false;
 	}
 
 #ifdef DEBUG_CLAMP_LAST_CONTEXT
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 50fad3801f3..03b1a3b0fbd 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -63,7 +63,6 @@ void setbat(int index, unsigned long virt, phys_addr_t phys,
 #endif /* HAVE_BATS */
 
 #ifdef HAVE_TLBCAM
-extern unsigned int tlbcam_index;
 extern phys_addr_t v_mapped_by_tlbcam(unsigned long va);
 extern unsigned long p_mapped_by_tlbcam(phys_addr_t pa);
 #else /* !HAVE_TLBCAM */
@@ -73,13 +72,25 @@ extern unsigned long p_mapped_by_tlbcam(phys_addr_t pa);
 
 #define PGDIR_ORDER	(32 + PGD_T_LOG2 - PGDIR_SHIFT)
 
+#ifndef CONFIG_PPC_4K_PAGES
+static struct kmem_cache *pgtable_cache;
+
+void pgtable_cache_init(void)
+{
+	pgtable_cache = kmem_cache_create("PGDIR cache", 1 << PGDIR_ORDER,
+					  1 << PGDIR_ORDER, 0, NULL);
+	if (pgtable_cache == NULL)
+		panic("Couldn't allocate pgtable caches");
+}
+#endif
+
 pgd_t *pgd_alloc(struct mm_struct *mm)
 {
 	pgd_t *ret;
 
 	/* pgdir take page or two with 4K pages and a page fraction otherwise */
 #ifndef CONFIG_PPC_4K_PAGES
-	ret = kzalloc(1 << PGDIR_ORDER, GFP_KERNEL);
+	ret = kmem_cache_alloc(pgtable_cache, GFP_KERNEL | __GFP_ZERO);
 #else
 	ret = (pgd_t *)__get_free_pages(GFP_KERNEL|__GFP_ZERO,
 			PGDIR_ORDER - PAGE_SHIFT);
@@ -90,7 +101,7 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
 void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 {
 #ifndef CONFIG_PPC_4K_PAGES
-	kfree((void *)pgd);
+	kmem_cache_free(pgtable_cache, (void *)pgd);
 #else
 	free_pages((unsigned long)pgd, PGDIR_ORDER - PAGE_SHIFT);
 #endif
@@ -147,7 +158,7 @@ void __iomem *
 ioremap_prot(phys_addr_t addr, unsigned long size, unsigned long flags)
 {
 	/* writeable implies dirty for kernel addresses */
-	if (flags & _PAGE_RW)
+	if ((flags & (_PAGE_RW | _PAGE_RO)) != _PAGE_RO)
 		flags |= _PAGE_DIRTY | _PAGE_HWWRITE;
 
 	/* we don't want to let _PAGE_USER and _PAGE_EXEC leak out */
diff --git a/arch/powerpc/mm/tlb_nohash.c b/arch/powerpc/mm/tlb_nohash.c
index f38ea4df6a8..ab0616b0e6c 100644
--- a/arch/powerpc/mm/tlb_nohash.c
+++ b/arch/powerpc/mm/tlb_nohash.c
@@ -284,8 +284,11 @@ void __flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr,
 	struct cpumask *cpu_mask;
 	unsigned int pid;
 
+	if (unlikely(!mm))
+		return;
+
 	preempt_disable();
-	pid = mm ? mm->context.id : 0;
+	pid = mm->context.id;
 	if (unlikely(pid == MMU_NO_CONTEXT))
 		goto bail;
 	cpu_mask = mm_cpumask(mm);
diff --git a/arch/powerpc/perf/core-fsl-emb.c b/arch/powerpc/perf/core-fsl-emb.c
index 4acaea01fe0..5d747b4cb8e 100644
--- a/arch/powerpc/perf/core-fsl-emb.c
+++ b/arch/powerpc/perf/core-fsl-emb.c
@@ -330,9 +330,11 @@ static int fsl_emb_pmu_add(struct perf_event *event, int flags)
 	}
 	local64_set(&event->hw.prev_count, val);
 
-	if (!(flags & PERF_EF_START)) {
+	if (unlikely(!(flags & PERF_EF_START))) {
 		event->hw.state = PERF_HES_STOPPED | PERF_HES_UPTODATE;
 		val = 0;
+	} else {
+		event->hw.state &= ~(PERF_HES_STOPPED | PERF_HES_UPTODATE);
 	}
 
 	write_pmc(i, val);
@@ -389,6 +391,7 @@ static void fsl_emb_pmu_del(struct perf_event *event, int flags)
 static void fsl_emb_pmu_start(struct perf_event *event, int ef_flags)
 {
 	unsigned long flags;
+	unsigned long val;
 	s64 left;
 
 	if (event->hw.idx < 0 || !event->hw.sample_period)
@@ -405,7 +408,10 @@ static void fsl_emb_pmu_start(struct perf_event *event, int ef_flags)
 
 	event->hw.state = 0;
 	left = local64_read(&event->hw.period_left);
-	write_pmc(event->hw.idx, left);
+	val = 0;
+	if (left < 0x80000000L)
+		val = 0x80000000L - left;
+	write_pmc(event->hw.idx, val);
 
 	perf_event_update_userpage(event);
 	perf_pmu_enable(event->pmu);
diff --git a/arch/powerpc/platforms/83xx/usb.c b/arch/powerpc/platforms/83xx/usb.c
index 1ad748bb39b..5c31d8292d3 100644
--- a/arch/powerpc/platforms/83xx/usb.c
+++ b/arch/powerpc/platforms/83xx/usb.c
@@ -162,8 +162,7 @@ int mpc831x_usb_cfg(void)
 
 	iounmap(immap);
 
-	if (immr_node)
-		of_node_put(immr_node);
+	of_node_put(immr_node);
 
 	/* Map USB SOC space */
 	ret = of_address_to_resource(np, 0, &res);
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index f22635a71d0..2fb4b24368a 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -241,6 +241,12 @@ config SGY_CTS1000
 	help
 	  Enable this to support functionality in Servergy's CTS-1000 systems.
 
+config MVME2500
+	bool "Artesyn MVME2500"
+	select DEFAULT_UIMAGE
+	help
+	  This option enables support for the Emerson/Artesyn MVME2500 board.
+
 endif # PPC32
 
 config PPC_QEMU_E500
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index 73032604662..1fe7fb95175 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -31,3 +31,4 @@ obj-$(CONFIG_XES_MPC85xx) += xes_mpc85xx.o
 obj-$(CONFIG_GE_IMP3A)	  += ge_imp3a.o
 obj-$(CONFIG_PPC_QEMU_E500) += qemu_e500.o
 obj-$(CONFIG_SGY_CTS1000) += sgy_cts1000.o
+obj-$(CONFIG_MVME2500)	  += mvme2500.o
diff --git a/arch/powerpc/platforms/85xx/mvme2500.c b/arch/powerpc/platforms/85xx/mvme2500.c
new file mode 100644
index 00000000000..1233050560a
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/mvme2500.c
@@ -0,0 +1,74 @@
+/*
+ * Board setup routines for the Emerson/Artesyn MVME2500
+ *
+ * Copyright 2014 Elettra-Sincrotrone Trieste S.C.p.A.
+ *
+ * Based on earlier code by:
+ *
+ *	Xianghua Xiao (x.xiao@freescale.com)
+ *	Tom Armistead (tom.armistead@emerson.com)
+ *	Copyright 2012 Emerson
+ *
+ * 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.
+ *
+ * Author Alessio Igor Bogani <alessio.bogani@elettra.eu>
+ *
+ */
+
+#include <linux/pci.h>
+#include <asm/udbg.h>
+#include <asm/mpic.h>
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+
+#include "mpc85xx.h"
+
+void __init mvme2500_pic_init(void)
+{
+	struct mpic *mpic = mpic_alloc(NULL, 0,
+		  MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU,
+		0, 256, " OpenPIC  ");
+	BUG_ON(mpic == NULL);
+	mpic_init(mpic);
+}
+
+/*
+ * Setup the architecture
+ */
+static void __init mvme2500_setup_arch(void)
+{
+	if (ppc_md.progress)
+		ppc_md.progress("mvme2500_setup_arch()", 0);
+	fsl_pci_assign_primary();
+	pr_info("MVME2500 board from Artesyn\n");
+}
+
+machine_arch_initcall(mvme2500, mpc85xx_common_publish_devices);
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init mvme2500_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	return of_flat_dt_is_compatible(root, "artesyn,MVME2500");
+}
+
+define_machine(mvme2500) {
+	.name			= "MVME2500",
+	.probe			= mvme2500_probe,
+	.setup_arch		= mvme2500_setup_arch,
+	.init_IRQ		= mvme2500_pic_init,
+#ifdef CONFIG_PCI
+	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
+	.pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
+#endif
+	.get_irq		= mpic_get_irq,
+	.restart		= fsl_rstcr_restart,
+	.calibrate_decr		= generic_calibrate_decr,
+	.progress		= udbg_progress,
+};
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index 6455c1eada1..7cc215e86d8 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -68,13 +68,10 @@ static int fsl_pcie_check_link(struct pci_controller *hose)
 	u32 val = 0;
 
 	if (hose->indirect_type & PPC_INDIRECT_TYPE_FSL_CFG_REG_LINK) {
-		if (hose->ops->read == fsl_indirect_read_config) {
-			struct pci_bus bus;
-			bus.number = hose->first_busno;
-			bus.sysdata = hose;
-			bus.ops = hose->ops;
-			indirect_read_config(&bus, 0, PCIE_LTSSM, 4, &val);
-		} else
+		if (hose->ops->read == fsl_indirect_read_config)
+			__indirect_read_config(hose, hose->first_busno, 0,
+					       PCIE_LTSSM, 4, &val);
+		else
 			early_read_config_dword(hose, 0, 0, PCIE_LTSSM, &val);
 		if (val < PCIE_LTSSM_L0)
 			return 1;
diff --git a/arch/powerpc/sysdev/indirect_pci.c b/arch/powerpc/sysdev/indirect_pci.c
index 1f6c570d66d..692de9dbc68 100644
--- a/arch/powerpc/sysdev/indirect_pci.c
+++ b/arch/powerpc/sysdev/indirect_pci.c
@@ -20,31 +20,31 @@
 #include <asm/pci-bridge.h>
 #include <asm/machdep.h>
 
-int indirect_read_config(struct pci_bus *bus, unsigned int devfn,
-			 int offset, int len, u32 *val)
+int __indirect_read_config(struct pci_controller *hose,
+			   unsigned char bus_number, unsigned int devfn,
+			   int offset, int len, u32 *val)
 {
-	struct pci_controller *hose = pci_bus_to_host(bus);
 	volatile void __iomem *cfg_data;
 	u8 cfg_type = 0;
 	u32 bus_no, reg;
 
 	if (hose->indirect_type & PPC_INDIRECT_TYPE_NO_PCIE_LINK) {
-		if (bus->number != hose->first_busno)
+		if (bus_number != hose->first_busno)
 			return PCIBIOS_DEVICE_NOT_FOUND;
 		if (devfn != 0)
 			return PCIBIOS_DEVICE_NOT_FOUND;
 	}
 
 	if (ppc_md.pci_exclude_device)
-		if (ppc_md.pci_exclude_device(hose, bus->number, devfn))
+		if (ppc_md.pci_exclude_device(hose, bus_number, devfn))
 			return PCIBIOS_DEVICE_NOT_FOUND;
 
 	if (hose->indirect_type & PPC_INDIRECT_TYPE_SET_CFG_TYPE)
-		if (bus->number != hose->first_busno)
+		if (bus_number != hose->first_busno)
 			cfg_type = 1;
 
-	bus_no = (bus->number == hose->first_busno) ?
-			hose->self_busno : bus->number;
+	bus_no = (bus_number == hose->first_busno) ?
+			hose->self_busno : bus_number;
 
 	if (hose->indirect_type & PPC_INDIRECT_TYPE_EXT_REG)
 		reg = ((offset & 0xf00) << 16) | (offset & 0xfc);
@@ -77,6 +77,15 @@ int indirect_read_config(struct pci_bus *bus, unsigned int devfn,
 	return PCIBIOS_SUCCESSFUL;
 }
 
+int indirect_read_config(struct pci_bus *bus, unsigned int devfn,
+			 int offset, int len, u32 *val)
+{
+	struct pci_controller *hose = pci_bus_to_host(bus);
+
+	return __indirect_read_config(hose, bus->number, devfn, offset, len,
+				      val);
+}
+
 int indirect_write_config(struct pci_bus *bus, unsigned int devfn,
 			  int offset, int len, u32 val)
 {
diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c
index 1f29cee8da7..c2518cdb7dd 100644
--- a/arch/powerpc/sysdev/qe_lib/qe.c
+++ b/arch/powerpc/sysdev/qe_lib/qe.c
@@ -497,7 +497,7 @@ int qe_upload_firmware(const struct qe_firmware *firmware)
 	 * saved microcode information and put in the new.
 	 */
 	memset(&qe_firmware_info, 0, sizeof(qe_firmware_info));
-	strcpy(qe_firmware_info.id, firmware->id);
+	strlcpy(qe_firmware_info.id, firmware->id, sizeof(qe_firmware_info.id));
 	qe_firmware_info.extended_modes = firmware->extended_modes;
 	memcpy(qe_firmware_info.vtraps, firmware->vtraps,
 		sizeof(firmware->vtraps));
@@ -583,8 +583,8 @@ struct qe_firmware_info *qe_get_firmware_info(void)
 	/* Copy the data into qe_firmware_info*/
 	sprop = of_get_property(fw, "id", NULL);
 	if (sprop)
-		strncpy(qe_firmware_info.id, sprop,
-			sizeof(qe_firmware_info.id) - 1);
+		strlcpy(qe_firmware_info.id, sprop,
+			sizeof(qe_firmware_info.id));
 
 	prop = of_find_property(fw, "extended-modes", NULL);
 	if (prop && (prop->length == sizeof(u64))) {