Merge remote-tracking branch 'scott/next' into next

Scott writes:

Highlights include e6500 hardware threading support, an e6500 TLB erratum
workaround, corenet error reporting, support for a new board, and some
minor fixes.

17 files changed, 439 insertions, 35 deletions

diff --git a/arch/powerpc/boot/dts/t2080rdb.dts b/arch/powerpc/boot/dts/t2080rdb.dts
new file mode 100644
index 000000000000..e8891047600c
--- /dev/null
+++ b/arch/powerpc/boot/dts/t2080rdb.dts
@@ -0,0 +1,57 @@
+/*
+ * T2080PCIe-RDB Board Device Tree Source
+ *
+ * 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.
+ */
+
+/include/ "fsl/t208xsi-pre.dtsi"
+/include/ "t208xrdb.dtsi"
+
+/ {
+	model = "fsl,T2080RDB";
+	compatible = "fsl,T2080RDB";
+	#address-cells = <2>;
+	#size-cells = <2>;
+	interrupt-parent = <&mpic>;
+
+	rio: rapidio@ffe0c0000 {
+		reg = <0xf 0xfe0c0000 0 0x11000>;
+
+		port1 {
+			ranges = <0 0 0xc 0x20000000 0 0x10000000>;
+		};
+		port2 {
+			ranges = <0 0 0xc 0x30000000 0 0x10000000>;
+		};
+	};
+};
+
+/include/ "fsl/t2080si-post.dtsi"
diff --git a/arch/powerpc/boot/dts/t208xrdb.dtsi b/arch/powerpc/boot/dts/t208xrdb.dtsi
new file mode 100644
index 000000000000..1481e192e783
--- /dev/null
+++ b/arch/powerpc/boot/dts/t208xrdb.dtsi
@@ -0,0 +1,184 @@
+/*
+ * T2080PCIe-RDB Board Device Tree Source
+ *
+ * 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.
+ */
+
+/ {
+	model = "fsl,T2080RDB";
+	compatible = "fsl,T2080RDB";
+	#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>;
+		};
+
+		nand@1,0 {
+			#address-cells = <1>;
+			#size-cells = <1>;
+			compatible = "fsl,ifc-nand";
+			reg = <0x2 0x0 0x10000>;
+		};
+
+		boardctrl: board-control@2,0 {
+			#address-cells = <1>;
+			#size-cells = <1>;
+			compatible = "fsl,t2080-cpld";
+			reg = <3 0 0x300>;
+			ranges = <0 3 0 0x300>;
+		};
+	};
+
+	memory {
+		device_type = "memory";
+	};
+
+	dcsr: dcsr@f00000000 {
+		ranges = <0x00000000 0xf 0x00000000 0x01072000>;
+	};
+
+	soc: soc@ffe000000 {
+		ranges = <0x00000000 0xf 0xfe000000 0x1000000>;
+		reg = <0xf 0xfe000000 0 0x00001000>;
+		spi@110000 {
+			flash@0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				compatible = "micron,n25q512a";
+				reg = <0>;
+				spi-max-frequency = <10000000>; /* input clock */
+			};
+		};
+
+		i2c@118000 {
+			adt7481@4c {
+				compatible = "adi,adt7481";
+				reg = <0x4c>;
+			};
+
+			rtc@68 {
+				compatible = "dallas,ds1339";
+				reg = <0x68>;
+				interrupts = <0x1 0x1 0 0>;
+			};
+
+			eeprom@50 {
+				compatible = "atmel,24c256";
+				reg = <0x50>;
+			};
+		};
+
+		i2c@118100 {
+			pca9546@77 {
+				compatible = "nxp,pca9546";
+				reg = <0x77>;
+			};
+		};
+
+		sdhc@114000 {
+			voltage-ranges = <1800 1800 3300 3300>;
+		};
+	};
+
+	pci0: pcie@ffe240000 {
+		reg = <0xf 0xfe240000 0 0x10000>;
+		ranges = <0x02000000 0 0xe0000000 0xc 0x00000000 0x0 0x20000000
+			  0x01000000 0 0x00000000 0xf 0xf8000000 0x0 0x00010000>;
+		pcie@0 {
+			ranges = <0x02000000 0 0xe0000000
+				  0x02000000 0 0xe0000000
+				  0 0x20000000
+
+				  0x01000000 0 0x00000000
+				  0x01000000 0 0x00000000
+				  0 0x00010000>;
+		};
+	};
+
+	pci1: pcie@ffe250000 {
+		reg = <0xf 0xfe250000 0 0x10000>;
+		ranges = <0x02000000 0x0 0xe0000000 0xc 0x20000000 0x0 0x10000000
+			  0x01000000 0x0 0x00000000 0xf 0xf8010000 0x0 0x00010000>;
+		pcie@0 {
+			ranges = <0x02000000 0 0xe0000000
+				  0x02000000 0 0xe0000000
+				  0 0x20000000
+
+				  0x01000000 0 0x00000000
+				  0x01000000 0 0x00000000
+				  0 0x00010000>;
+		};
+	};
+
+	pci2: pcie@ffe260000 {
+		reg = <0xf 0xfe260000 0 0x1000>;
+		ranges = <0x02000000 0 0xe0000000 0xc 0x30000000 0 0x10000000
+			  0x01000000 0 0x00000000 0xf 0xf8020000 0 0x00010000>;
+		pcie@0 {
+			ranges = <0x02000000 0 0xe0000000
+				  0x02000000 0 0xe0000000
+				  0 0x20000000
+
+				  0x01000000 0 0x00000000
+				  0x01000000 0 0x00000000
+				  0 0x00010000>;
+		};
+	};
+
+	pci3: pcie@ffe270000 {
+		reg = <0xf 0xfe270000 0 0x10000>;
+		ranges = <0x02000000 0 0xe0000000 0xc 0x40000000 0 0x10000000
+			  0x01000000 0 0x00000000 0xf 0xf8030000 0 0x00010000>;
+		pcie@0 {
+			ranges = <0x02000000 0 0xe0000000
+				  0x02000000 0 0xe0000000
+				  0 0x20000000
+
+				  0x01000000 0 0x00000000
+				  0x01000000 0 0x00000000
+				  0 0x00010000>;
+		};
+	};
+};
diff --git a/arch/powerpc/configs/corenet32_smp_defconfig b/arch/powerpc/configs/corenet32_smp_defconfig
index 7d0c837f8e0c..6a3c58adf253 100644
--- a/arch/powerpc/configs/corenet32_smp_defconfig
+++ b/arch/powerpc/configs/corenet32_smp_defconfig
@@ -180,3 +180,4 @@ CONFIG_CRYPTO_SHA512=y
 CONFIG_CRYPTO_AES=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_DEV_FSL_CAAM=y
+CONFIG_FSL_CORENET_CF=y
diff --git a/arch/powerpc/configs/corenet64_smp_defconfig b/arch/powerpc/configs/corenet64_smp_defconfig
index 6ae07e113479..4b07bade1ba9 100644
--- a/arch/powerpc/configs/corenet64_smp_defconfig
+++ b/arch/powerpc/configs/corenet64_smp_defconfig
@@ -179,3 +179,4 @@ CONFIG_CRYPTO_SHA256=y
 CONFIG_CRYPTO_SHA512=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_DEV_FSL_CAAM=y
+CONFIG_FSL_CORENET_CF=y
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index 4a81cbf50779..642e436d4595 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -391,7 +391,7 @@ extern const char *powerpc_base_platform;
 	    CPU_FTR_L2CSR | CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
 	    CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
 	    CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_ALTIVEC_COMP | \
-	    CPU_FTR_CELL_TB_BUG)
+	    CPU_FTR_CELL_TB_BUG | CPU_FTR_SMT)
 #define CPU_FTRS_GENERIC_32	(CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN)
 
 /* 64-bit CPUs */
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index 3132bb9365f3..e316dad6ba76 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -150,8 +150,10 @@
 #define PPC_INST_MCRXR_MASK		0xfc0007fe
 #define PPC_INST_MFSPR_PVR		0x7c1f42a6
 #define PPC_INST_MFSPR_PVR_MASK		0xfc1fffff
+#define PPC_INST_MFTMR			0x7c0002dc
 #define PPC_INST_MSGSND			0x7c00019c
 #define PPC_INST_MSGSNDP		0x7c00011c
+#define PPC_INST_MTTMR			0x7c0003dc
 #define PPC_INST_NOP			0x60000000
 #define PPC_INST_POPCNTB		0x7c0000f4
 #define PPC_INST_POPCNTB_MASK		0xfc0007fe
@@ -369,4 +371,11 @@
 #define TABORT(r)		stringify_in_c(.long PPC_INST_TABORT \
 					       | __PPC_RA(r))
 
+/* book3e thread control instructions */
+#define TMRN(x)			((((x) & 0x1f) << 16) | (((x) & 0x3e0) << 6))
+#define MTTMR(tmr, r)		stringify_in_c(.long PPC_INST_MTTMR | \
+					       TMRN(tmr) | ___PPC_RS(r))
+#define MFTMR(tmr, r)		stringify_in_c(.long PPC_INST_MFTMR | \
+					       TMRN(tmr) | ___PPC_RT(r))
+
 #endif /* _ASM_POWERPC_PPC_OPCODE_H */
diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h
index 61482925fb52..1d653308a33c 100644
--- a/arch/powerpc/include/asm/reg_booke.h
+++ b/arch/powerpc/include/asm/reg_booke.h
@@ -15,16 +15,28 @@
 #ifndef __ASM_POWERPC_REG_BOOKE_H__
 #define __ASM_POWERPC_REG_BOOKE_H__
 
+#include <asm/ppc-opcode.h>
+
 /* Machine State Register (MSR) Fields */
-#define MSR_GS		(1<<28) /* Guest state */
-#define MSR_UCLE	(1<<26)	/* User-mode cache lock enable */
-#define MSR_SPE		(1<<25)	/* Enable SPE */
-#define MSR_DWE		(1<<10)	/* Debug Wait Enable */
-#define MSR_UBLE	(1<<10)	/* BTB lock enable (e500) */
-#define MSR_IS		MSR_IR	/* Instruction Space */
-#define MSR_DS		MSR_DR	/* Data Space */
-#define MSR_PMM		(1<<2)	/* Performance monitor mark bit */
-#define MSR_CM		(1<<31) /* Computation Mode (0=32-bit, 1=64-bit) */
+#define MSR_GS_LG	28	/* Guest state */
+#define MSR_UCLE_LG	26	/* User-mode cache lock enable */
+#define MSR_SPE_LG	25	/* Enable SPE */
+#define MSR_DWE_LG	10	/* Debug Wait Enable */
+#define MSR_UBLE_LG	10	/* BTB lock enable (e500) */
+#define MSR_IS_LG	MSR_IR_LG /* Instruction Space */
+#define MSR_DS_LG	MSR_DR_LG /* Data Space */
+#define MSR_PMM_LG	2	/* Performance monitor mark bit */
+#define MSR_CM_LG	31	/* Computation Mode (0=32-bit, 1=64-bit) */
+
+#define MSR_GS		__MASK(MSR_GS_LG)
+#define MSR_UCLE	__MASK(MSR_UCLE_LG)
+#define MSR_SPE		__MASK(MSR_SPE_LG)
+#define MSR_DWE		__MASK(MSR_DWE_LG)
+#define MSR_UBLE	__MASK(MSR_UBLE_LG)
+#define MSR_IS		__MASK(MSR_IS_LG)
+#define MSR_DS		__MASK(MSR_DS_LG)
+#define MSR_PMM		__MASK(MSR_PMM_LG)
+#define MSR_CM		__MASK(MSR_CM_LG)
 
 #if defined(CONFIG_PPC_BOOK3E_64)
 #define MSR_64BIT	MSR_CM
@@ -598,6 +610,13 @@
 /* Bit definitions for L1CSR2. */
 #define L1CSR2_DCWS	0x40000000	/* Data Cache write shadow */
 
+/* Bit definitions for BUCSR. */
+#define BUCSR_STAC_EN	0x01000000	/* Segment Target Address Cache */
+#define BUCSR_LS_EN	0x00400000	/* Link Stack */
+#define BUCSR_BBFI	0x00000200	/* Branch Buffer flash invalidate */
+#define BUCSR_BPEN	0x00000001	/* Branch prediction enable */
+#define BUCSR_INIT	(BUCSR_STAC_EN | BUCSR_LS_EN | BUCSR_BBFI | BUCSR_BPEN)
+
 /* Bit definitions for L2CSR0. */
 #define L2CSR0_L2E	0x80000000	/* L2 Cache Enable */
 #define L2CSR0_L2PE	0x40000000	/* L2 Cache Parity/ECC Enable */
@@ -721,5 +740,23 @@
 #define MMUBE1_VBE4		0x00000002
 #define MMUBE1_VBE5		0x00000001
 
+#define TMRN_IMSR0	0x120	/* Initial MSR Register 0 (e6500) */
+#define TMRN_IMSR1	0x121	/* Initial MSR Register 1 (e6500) */
+#define TMRN_INIA0	0x140	/* Next Instruction Address Register 0 */
+#define TMRN_INIA1	0x141	/* Next Instruction Address Register 1 */
+#define SPRN_TENSR	0x1b5	/* Thread Enable Status Register */
+#define SPRN_TENS	0x1b6	/* Thread Enable Set Register */
+#define SPRN_TENC	0x1b7	/* Thread Enable Clear Register */
+
+#define TEN_THREAD(x)	(1 << (x))
+
+#ifndef __ASSEMBLY__
+#define mftmr(rn)	({unsigned long rval; \
+			asm volatile(MFTMR(rn, %0) : "=r" (rval)); rval;})
+#define mttmr(rn, v)	asm volatile(MTTMR(rn, %0) : \
+				     : "r" ((unsigned long)(v)) \
+				     : "memory")
+#endif /* !__ASSEMBLY__ */
+
 #endif /* __ASM_POWERPC_REG_BOOKE_H__ */
 #endif /* __KERNEL__ */
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 41ab76c3a94a..d48125d0c048 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -180,6 +180,28 @@ exception_marker:
 #include "exceptions-64s.S"
 #endif
 
+#ifdef CONFIG_PPC_BOOK3E
+_GLOBAL(fsl_secondary_thread_init)
+	/* Enable branch prediction */
+	lis     r3,BUCSR_INIT@h
+	ori     r3,r3,BUCSR_INIT@l
+	mtspr   SPRN_BUCSR,r3
+	isync
+
+	/*
+	 * Fix PIR to match the linear numbering in the device tree.
+	 *
+	 * On e6500, the reset value of PIR uses the low three bits for
+	 * the thread within a core, and the upper bits for the core
+	 * number.  There are two threads per core, so shift everything
+	 * but the low bit right by two bits so that the cpu numbering is
+	 * continuous.
+	 */
+	mfspr	r3, SPRN_PIR
+	rlwimi	r3, r3, 30, 2, 30
+	mtspr	SPRN_PIR, r3
+#endif
+
 _GLOBAL(generic_secondary_thread_init)
 	mr	r24,r3
 
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 1914791dd329..1a3b1055f5eb 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -308,12 +308,10 @@ static int __init early_init_dt_scan_cpus(unsigned long node,
 
 	/* Get physical cpuid */
 	intserv = of_get_flat_dt_prop(node, "ibm,ppc-interrupt-server#s", &len);
-	if (intserv) {
-		nthreads = len / sizeof(int);
-	} else {
-		intserv = of_get_flat_dt_prop(node, "reg", NULL);
-		nthreads = 1;
-	}
+	if (!intserv)
+		intserv = of_get_flat_dt_prop(node, "reg", &len);
+
+	nthreads = len / sizeof(int);
 
 	/*
 	 * Now see if any of these threads match our boot cpu.
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index e5b022c55ccd..1b0e26013a62 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -456,18 +456,20 @@ void __init smp_setup_cpu_maps(void)
 		intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s",
 				&len);
 		if (intserv) {
-			nthreads = len / sizeof(int);
 			DBG("    ibm,ppc-interrupt-server#s -> %d threads\n",
 			    nthreads);
 		} else {
 			DBG("    no ibm,ppc-interrupt-server#s -> 1 thread\n");
-			intserv = of_get_property(dn, "reg", NULL);
+			intserv = of_get_property(dn, "reg", &len);
 			if (!intserv) {
 				cpu_be = cpu_to_be32(cpu);
 				intserv = &cpu_be;	/* assume logical == phys */
+				len = 4;
 			}
 		}
 
+		nthreads = len / sizeof(int);
+
 		for (j = 0; j < nthreads && cpu < nr_cpu_ids; j++) {
 			bool avail;
 
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 75f94ae20e9e..d0225572faa1 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -511,7 +511,11 @@ void __init setup_system(void)
 	check_smt_enabled();
 	setup_tlb_core_data();
 
-#ifdef CONFIG_SMP
+	/*
+	 * Freescale Book3e parts spin in a loop provided by firmware,
+	 * so smp_release_cpus() does nothing for them
+	 */
+#if defined(CONFIG_SMP) && !defined(CONFIG_PPC_FSL_BOOK3E)
 	/* Release secondary cpus out of their spinloops at 0x60 now that
 	 * we can map physical -> logical CPU ids
 	 */
diff --git a/arch/powerpc/mm/tlb_low_64e.S b/arch/powerpc/mm/tlb_low_64e.S
index 57c4d662be33..89bf95bd63b1 100644
--- a/arch/powerpc/mm/tlb_low_64e.S
+++ b/arch/powerpc/mm/tlb_low_64e.S
@@ -299,7 +299,9 @@ itlb_miss_fault_bolted:
  * r10 = crap (free to use)
  */
 tlb_miss_common_e6500:
-BEGIN_FTR_SECTION
+	crmove	cr2*4+2,cr0*4+2		/* cr2.eq != 0 if kernel address */
+
+BEGIN_FTR_SECTION		/* CPU_FTR_SMT */
 	/*
 	 * Search if we already have an indirect entry for that virtual
 	 * address, and if we do, bail out.
@@ -324,17 +326,62 @@ BEGIN_FTR_SECTION
 	b	1b
 	.previous
 
+	/*
+	 * Erratum A-008139 says that we can't use tlbwe to change
+	 * an indirect entry in any way (including replacing or
+	 * invalidating) if the other thread could be in the process
+	 * of a lookup.  The workaround is to invalidate the entry
+	 * with tlbilx before overwriting.
+	 */
+
+	lbz	r15,TCD_ESEL_NEXT(r11)
+	rlwinm	r10,r15,16,0xff0000
+	oris	r10,r10,MAS0_TLBSEL(1)@h
+	mtspr	SPRN_MAS0,r10
+	isync
+	tlbre
 	mfspr	r15,SPRN_MAS1
-	mfspr	r10,SPRN_MAS2
+	andis.	r15,r15,MAS1_VALID@h
+	beq	5f
+
+BEGIN_FTR_SECTION_NESTED(532)
+	mfspr	r10,SPRN_MAS8
+	rlwinm	r10,r10,0,0x80000fff  /* tgs,tlpid -> sgs,slpid */
+	mtspr	SPRN_MAS5,r10
+END_FTR_SECTION_NESTED(CPU_FTR_EMB_HV,CPU_FTR_EMB_HV,532)
 
-	tlbsx	0,r16
-	mtspr	SPRN_MAS2,r10
 	mfspr	r10,SPRN_MAS1
-	mtspr	SPRN_MAS1,r15
+	rlwinm	r15,r10,0,0x3fff0000  /* tid -> spid */
+	rlwimi	r15,r10,20,0x00000003 /* ind,ts -> sind,sas */
+	mfspr	r10,SPRN_MAS6
+	mtspr	SPRN_MAS6,r15
+
+	mfspr	r15,SPRN_MAS2
+	isync
+	tlbilxva 0,r15
+	isync
+
+	mtspr	SPRN_MAS6,r10
 
-	andis.	r10,r10,MAS1_VALID@h
+5:
+BEGIN_FTR_SECTION_NESTED(532)
+	li	r10,0
+	mtspr	SPRN_MAS8,r10
+	mtspr	SPRN_MAS5,r10
+END_FTR_SECTION_NESTED(CPU_FTR_EMB_HV,CPU_FTR_EMB_HV,532)
+
+	tlbsx	0,r16
+	mfspr	r10,SPRN_MAS1
+	andis.	r15,r10,MAS1_VALID@h
 	bne	tlb_miss_done_e6500
-END_FTR_SECTION_IFSET(CPU_FTR_SMT)
+FTR_SECTION_ELSE
+	mfspr	r10,SPRN_MAS1
+ALT_FTR_SECTION_END_IFSET(CPU_FTR_SMT)
+
+	oris	r10,r10,MAS1_VALID@h
+	beq	cr2,4f
+	rlwinm	r10,r10,0,16,1		/* Clear TID */
+4:	mtspr	SPRN_MAS1,r10
 
 	/* Now, we need to walk the page tables. First check if we are in
 	 * range.
@@ -410,12 +457,9 @@ END_FTR_SECTION_IFSET(CPU_FTR_SMT)
 	rfi
 
 tlb_miss_kernel_e6500:
-	mfspr	r10,SPRN_MAS1
 	ld	r14,PACA_KERNELPGD(r13)
-	cmpldi	cr0,r15,8		/* Check for vmalloc region */
-	rlwinm	r10,r10,0,16,1		/* Clear TID */
-	mtspr	SPRN_MAS1,r10
-	beq+	tlb_miss_common_e6500
+	cmpldi	cr1,r15,8		/* Check for vmalloc region */
+	beq+	cr1,tlb_miss_common_e6500
 
 tlb_miss_fault_e6500:
 	tlb_unlock_e6500
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 506369626074..0c1e6903597e 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -274,7 +274,7 @@ config CORENET_GENERIC
 	  For 32bit kernel, the following boards are supported:
 	    P2041 RDB, P3041 DS, P4080 DS, kmcoge4, and OCA4080
 	  For 64bit kernel, the following boards are supported:
-	    T208x QDS, T4240 QDS/RDB and B4 QDS
+	    T208x QDS/RDB, T4240 QDS/RDB and B4 QDS
 	  The following boards are supported for both 32bit and 64bit kernel:
 	    P5020 DS, P5040 DS and T104xQDS
 
diff --git a/arch/powerpc/platforms/85xx/corenet_generic.c b/arch/powerpc/platforms/85xx/corenet_generic.c
index 4f22ad1e14ac..d22dd85e50bf 100644
--- a/arch/powerpc/platforms/85xx/corenet_generic.c
+++ b/arch/powerpc/platforms/85xx/corenet_generic.c
@@ -120,6 +120,7 @@ static const char * const boards[] __initconst = {
 	"fsl,P5020DS",
 	"fsl,P5040DS",
 	"fsl,T2080QDS",
+	"fsl,T2080RDB",
 	"fsl,T2081QDS",
 	"fsl,T4240QDS",
 	"fsl,T4240RDB",
diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c
index ba093f553678..d7c1e69f3070 100644
--- a/arch/powerpc/platforms/85xx/smp.c
+++ b/arch/powerpc/platforms/85xx/smp.c
@@ -28,6 +28,7 @@
 #include <asm/dbell.h>
 #include <asm/fsl_guts.h>
 #include <asm/code-patching.h>
+#include <asm/cputhreads.h>
 
 #include <sysdev/fsl_soc.h>
 #include <sysdev/mpic.h>
@@ -168,6 +169,24 @@ static inline u32 read_spin_table_addr_l(void *spin_table)
 	return in_be32(&((struct epapr_spin_table *)spin_table)->addr_l);
 }
 
+#ifdef CONFIG_PPC64
+static void wake_hw_thread(void *info)
+{
+	void fsl_secondary_thread_init(void);
+	unsigned long imsr1, inia1;
+	int nr = *(const int *)info;
+
+	imsr1 = MSR_KERNEL;
+	inia1 = *(unsigned long *)fsl_secondary_thread_init;
+
+	mttmr(TMRN_IMSR1, imsr1);
+	mttmr(TMRN_INIA1, inia1);
+	mtspr(SPRN_TENS, TEN_THREAD(1));
+
+	smp_generic_kick_cpu(nr);
+}
+#endif
+
 static int smp_85xx_kick_cpu(int nr)
 {
 	unsigned long flags;
@@ -183,6 +202,31 @@ static int smp_85xx_kick_cpu(int nr)
 
 	pr_debug("smp_85xx_kick_cpu: kick CPU #%d\n", nr);
 
+#ifdef CONFIG_PPC64
+	/* Threads don't use the spin table */
+	if (cpu_thread_in_core(nr) != 0) {
+		int primary = cpu_first_thread_sibling(nr);
+
+		if (WARN_ON_ONCE(!cpu_has_feature(CPU_FTR_SMT)))
+			return -ENOENT;
+
+		if (cpu_thread_in_core(nr) != 1) {
+			pr_err("%s: cpu %d: invalid hw thread %d\n",
+			       __func__, nr, cpu_thread_in_core(nr));
+			return -ENOENT;
+		}
+
+		if (!cpu_online(primary)) {
+			pr_err("%s: cpu %d: primary %d not online\n",
+			       __func__, nr, primary);
+			return -ENOENT;
+		}
+
+		smp_call_function_single(primary, wake_hw_thread, &nr, 0);
+		return 0;
+	}
+#endif
+
 	np = of_get_cpu_node(nr, NULL);
 	cpu_rel_addr = of_get_property(np, "cpu-release-addr", NULL);
 
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index 4bd091a05583..c5077673bd94 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -853,8 +853,8 @@ u64 fsl_pci_immrbar_base(struct pci_controller *hose)
 		in = pcie->cfg_type0 + PEX_RC_INWIN_BASE;
 		for (i = 0; i < 4; i++) {
 			/* not enabled, skip */
-			if (!in_le32(&in[i].ar) & PEX_RCIWARn_EN)
-				 continue;
+			if (!(in_le32(&in[i].ar) & PEX_RCIWARn_EN))
+				continue;
 
 			if (get_immrbase() == in_le32(&in[i].tar))
 				return (u64)in_le32(&in[i].barh) << 32 |
diff --git a/arch/powerpc/sysdev/mpic_msgr.c b/arch/powerpc/sysdev/mpic_msgr.c
index 2c9b52aa266c..7bdf3cc741e4 100644
--- a/arch/powerpc/sysdev/mpic_msgr.c
+++ b/arch/powerpc/sysdev/mpic_msgr.c
@@ -184,7 +184,7 @@ static int mpic_msgr_probe(struct platform_device *dev)
 		dev_info(&dev->dev, "Found %d message registers\n",
 				mpic_msgr_count);
 
-		mpic_msgrs = kzalloc(sizeof(struct mpic_msgr) * mpic_msgr_count,
+		mpic_msgrs = kcalloc(mpic_msgr_count, sizeof(*mpic_msgrs),
 							 GFP_KERNEL);
 		if (!mpic_msgrs) {
 			dev_err(&dev->dev,