Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

Pull powerpc updates from Benjamin Herrenschmidt:
 "So from the depth of frozen Minnesota, here's the powerpc pull request
  for 3.9.  It has a few interesting highlights, in addition to the
  usual bunch of bug fixes, minor updates, embedded device tree updates
  and new boards:

   - Hand tuned asm implementation of SHA1 (by Paulus & Michael
     Ellerman)

   - Support for Doorbell interrupts on Power8 (kind of fast
     thread-thread IPIs) by Ian Munsie

   - Long overdue cleanup of the way we handle relocation of our open
     firmware trampoline (prom_init.c) on 64-bit by Anton Blanchard

   - Support for saving/restoring & context switching the PPR (Processor
     Priority Register) on server processors that support it.  This
     allows the kernel to preserve thread priorities established by
     userspace.  By Haren Myneni.

   - DAWR (new watchpoint facility) support on Power8 by Michael Neuling

   - Ability to change the DSCR (Data Stream Control Register) which
     controls cache prefetching on a running process via ptrace by
     Alexey Kardashevskiy

   - Support for context switching the TAR register on Power8 (new
     branch target register meant to be used by some new specific
     userspace perf event interrupt facility which is yet to be enabled)
     by Ian Munsie.

   - Improve preservation of the CFAR register (which captures the
     origin of a branch) on various exception conditions by Paulus.

   - Move the Bestcomm DMA driver from arch powerpc to drivers/dma where
     it belongs by Philippe De Muyter

   - Support for Transactional Memory on Power8 by Michael Neuling
     (based on original work by Matt Evans).  For those curious about
     the feature, the patch contains a pretty good description."

(See commit db8ff907027b: "powerpc: Documentation for transactional
memory on powerpc" for the mentioned description added to the file
Documentation/powerpc/transactional_memory.txt)

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (140 commits)
  powerpc/kexec: Disable hard IRQ before kexec
  powerpc/85xx: l2sram - Add compatible string for BSC9131 platform
  powerpc/85xx: bsc9131 - Correct typo in SDHC device node
  powerpc/e500/qemu-e500: enable coreint
  powerpc/mpic: allow coreint to be determined by MPIC version
  powerpc/fsl_pci: Store the pci ctlr device ptr in the pci ctlr struct
  powerpc/85xx: Board support for ppa8548
  powerpc/fsl: remove extraneous DIU platform functions
  arch/powerpc/platforms/85xx/p1022_ds.c: adjust duplicate test
  powerpc: Documentation for transactional memory on powerpc
  powerpc: Add transactional memory to pseries and ppc64 defconfigs
  powerpc: Add config option for transactional memory
  powerpc: Add transactional memory to POWER8 cpu features
  powerpc: Add new transactional memory state to the signal context
  powerpc: Hook in new transactional memory code
  powerpc: Routines for FP/VSX/VMX unavailable during a transaction
  powerpc: Add transactional memory unavaliable execption handler
  powerpc: Add reclaim and recheckpoint functions for context switching transactional memory processes
  powerpc: Add FP/VSX and VMX register load functions for transactional memory
  powerpc: Add helper functions for transactional memory context switching
  ...

32 files changed, 643 insertions, 280 deletions

diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 8abf6fb8f410..0effe9f5a1ea 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -252,6 +252,14 @@ config PPC4xx_GPIO
 	help
 	  Enable gpiolib support for ppc440 based boards
 
+config PPC4xx_OCM
+	bool "PPC4xx On Chip Memory (OCM) support"
+	depends on 4xx
+	select PPC_LIB_RHEAP
+	help
+	  Enable OCM support for PowerPC 4xx platforms with on chip memory,
+	  OCM provides the fast place for memory access to improve performance.
+
 # 44x specific CPU modules, selected based on the board above.
 config 440EP
 	bool
diff --git a/arch/powerpc/platforms/512x/clock.c b/arch/powerpc/platforms/512x/clock.c
index 9f771e05457c..52d57d281724 100644
--- a/arch/powerpc/platforms/512x/clock.c
+++ b/arch/powerpc/platforms/512x/clock.c
@@ -26,6 +26,7 @@
 
 #include <linux/of_platform.h>
 #include <asm/mpc5xxx.h>
+#include <asm/mpc5121.h>
 #include <asm/clk_interface.h>
 
 #undef CLK_DEBUG
@@ -122,7 +123,7 @@ struct mpc512x_clockctl {
 	u32 dccr;		/* DIU Clk Cnfg Reg */
 };
 
-struct mpc512x_clockctl __iomem *clockctl;
+static struct mpc512x_clockctl __iomem *clockctl;
 
 static int mpc5121_clk_enable(struct clk *clk)
 {
@@ -184,7 +185,7 @@ static unsigned long spmf_mult(void)
 		36, 40, 44, 48,
 		52, 56, 60, 64
 	};
-	int spmf = (clockctl->spmr >> 24) & 0xf;
+	int spmf = (in_be32(&clockctl->spmr) >> 24) & 0xf;
 	return spmf_to_mult[spmf];
 }
 
@@ -206,7 +207,7 @@ static unsigned long sysdiv_div_x_2(void)
 		52, 56, 58, 62,
 		60, 64, 66,
 	};
-	int sysdiv = (clockctl->scfr2 >> 26) & 0x3f;
+	int sysdiv = (in_be32(&clockctl->scfr2) >> 26) & 0x3f;
 	return sysdiv_to_div_x_2[sysdiv];
 }
 
@@ -230,7 +231,7 @@ static unsigned long sys_to_ref(unsigned long rate)
 
 static long ips_to_ref(unsigned long rate)
 {
-	int ips_div = (clockctl->scfr1 >> 23) & 0x7;
+	int ips_div = (in_be32(&clockctl->scfr1) >> 23) & 0x7;
 
 	rate *= ips_div;	/* csb_clk = ips_clk * ips_div */
 	rate *= 2;		/* sys_clk = csb_clk * 2 */
@@ -284,7 +285,7 @@ static struct clk sys_clk = {
 
 static void diu_clk_calc(struct clk *clk)
 {
-	int diudiv_x_2 = clockctl->scfr1 & 0xff;
+	int diudiv_x_2 = in_be32(&clockctl->scfr1) & 0xff;
 	unsigned long rate;
 
 	rate = sys_clk.rate;
@@ -311,7 +312,7 @@ static void half_clk_calc(struct clk *clk)
 
 static void generic_div_clk_calc(struct clk *clk)
 {
-	int div = (clockctl->scfr1 >> clk->div_shift) & 0x7;
+	int div = (in_be32(&clockctl->scfr1) >> clk->div_shift) & 0x7;
 
 	clk->rate = clk->parent->rate / div;
 }
@@ -329,7 +330,7 @@ static struct clk csb_clk = {
 
 static void e300_clk_calc(struct clk *clk)
 {
-	int spmf = (clockctl->spmr >> 16) & 0xf;
+	int spmf = (in_be32(&clockctl->spmr) >> 16) & 0xf;
 	int ratex2 = clk->parent->rate * spmf;
 
 	clk->rate = ratex2 / 2;
@@ -551,7 +552,7 @@ static struct clk ac97_clk = {
 	.calc = ac97_clk_calc,
 };
 
-struct clk *rate_clks[] = {
+static struct clk *rate_clks[] = {
 	&ref_clk,
 	&sys_clk,
 	&diu_clk,
@@ -607,7 +608,7 @@ static void rate_clks_init(void)
  * There are two clk enable registers with 32 enable bits each
  * psc clocks and device clocks are all stored in dev_clks
  */
-struct clk dev_clks[2][32];
+static struct clk dev_clks[2][32];
 
 /*
  * Given a psc number return the dev_clk
@@ -648,12 +649,12 @@ static void psc_calc_rate(struct clk *clk, int pscnum, struct device_node *np)
 	out_be32(&clockctl->pccr[pscnum], 0x00020000);
 	out_be32(&clockctl->pccr[pscnum], 0x00030000);
 
-	if (clockctl->pccr[pscnum] & 0x80) {
+	if (in_be32(&clockctl->pccr[pscnum]) & 0x80) {
 		clk->rate = spdif_rxclk.rate;
 		return;
 	}
 
-	switch ((clockctl->pccr[pscnum] >> 14) & 0x3) {
+	switch ((in_be32(&clockctl->pccr[pscnum]) >> 14) & 0x3) {
 	case 0:
 		mclk_src = sys_clk.rate;
 		break;
@@ -668,7 +669,7 @@ static void psc_calc_rate(struct clk *clk, int pscnum, struct device_node *np)
 		break;
 	}
 
-	mclk_div = ((clockctl->pccr[pscnum] >> 17) & 0x7fff) + 1;
+	mclk_div = ((in_be32(&clockctl->pccr[pscnum]) >> 17) & 0x7fff) + 1;
 	clk->rate = mclk_src / mclk_div;
 }
 
@@ -680,13 +681,12 @@ static void psc_calc_rate(struct clk *clk, int pscnum, struct device_node *np)
 static void psc_clks_init(void)
 {
 	struct device_node *np;
-	const u32 *cell_index;
 	struct platform_device *ofdev;
+	u32 reg;
 
 	for_each_compatible_node(np, NULL, "fsl,mpc5121-psc") {
-		cell_index = of_get_property(np, "cell-index", NULL);
-		if (cell_index) {
-			int pscnum = *cell_index;
+		if (!of_property_read_u32(np, "reg", &reg)) {
+			int pscnum = (reg & 0xf00) >> 8;
 			struct clk *clk = psc_dev_clk(pscnum);
 
 			clk->flags = CLK_HAS_RATE | CLK_HAS_CTRL;
@@ -696,7 +696,7 @@ static void psc_clks_init(void)
 			 * AC97 is special rate clock does
 			 * not go through normal path
 			 */
-			if (strcmp("ac97", np->name) == 0)
+			if (of_device_is_compatible(np, "fsl,mpc5121-psc-ac97"))
 				clk->rate = ac97_clk.rate;
 			else
 				psc_calc_rate(clk, pscnum, np);
diff --git a/arch/powerpc/platforms/512x/mpc512x_shared.c b/arch/powerpc/platforms/512x/mpc512x_shared.c
index 35f14fda108a..d30235b7e3f7 100644
--- a/arch/powerpc/platforms/512x/mpc512x_shared.c
+++ b/arch/powerpc/platforms/512x/mpc512x_shared.c
@@ -68,10 +68,6 @@ struct fsl_diu_shared_fb {
 	bool		in_use;
 };
 
-void mpc512x_set_monitor_port(enum fsl_diu_monitor_port port)
-{
-}
-
 #define DIU_DIV_MASK	0x000000ff
 void mpc512x_set_pixel_clock(unsigned int pixclock)
 {
@@ -303,7 +299,6 @@ void __init mpc512x_setup_diu(void)
 		}
 	}
 
-	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;
@@ -431,8 +426,38 @@ void __init mpc512x_psc_fifo_init(void)
 
 void __init mpc512x_init(void)
 {
-	mpc512x_declare_of_platform_devices();
 	mpc5121_clk_init();
+	mpc512x_declare_of_platform_devices();
 	mpc512x_restart_init();
 	mpc512x_psc_fifo_init();
 }
+
+/**
+ * mpc512x_cs_config - Setup chip select configuration
+ * @cs: chip select number
+ * @val: chip select configuration value
+ *
+ * Perform chip select configuration for devices on LocalPlus Bus.
+ * Intended to dynamically reconfigure the chip select parameters
+ * for configurable devices on the bus.
+ */
+int mpc512x_cs_config(unsigned int cs, u32 val)
+{
+	static struct mpc512x_lpc __iomem *lpc;
+	struct device_node *np;
+
+	if (cs > 7)
+		return -EINVAL;
+
+	if (!lpc) {
+		np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-lpc");
+		lpc = of_iomap(np, 0);
+		of_node_put(np);
+		if (!lpc)
+			return -ENOMEM;
+	}
+
+	out_be32(&lpc->cs_cfg[cs], val);
+	return 0;
+}
+EXPORT_SYMBOL(mpc512x_cs_config);
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
index f9f4537f546d..be7b1aa4d54c 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
@@ -20,9 +20,9 @@
 #include <asm/mpc52xx.h>
 #include <asm/time.h>
 
-#include <sysdev/bestcomm/bestcomm.h>
-#include <sysdev/bestcomm/bestcomm_priv.h>
-#include <sysdev/bestcomm/gen_bd.h>
+#include <linux/fsl/bestcomm/bestcomm.h>
+#include <linux/fsl/bestcomm/bestcomm_priv.h>
+#include <linux/fsl/bestcomm/gen_bd.h>
 
 MODULE_AUTHOR("Grant Likely <grant.likely@secretlab.ca>");
 MODULE_DESCRIPTION("MPC5200 LocalPlus FIFO device driver");
diff --git a/arch/powerpc/platforms/82xx/km82xx.c b/arch/powerpc/platforms/82xx/km82xx.c
index cf964e19573a..058cc1895c88 100644
--- a/arch/powerpc/platforms/82xx/km82xx.c
+++ b/arch/powerpc/platforms/82xx/km82xx.c
@@ -18,11 +18,11 @@
 #include <linux/fsl_devices.h>
 #include <linux/of_platform.h>
 
-#include <asm/io.h>
+#include <linux/io.h>
 #include <asm/cpm2.h>
 #include <asm/udbg.h>
 #include <asm/machdep.h>
-#include <asm/time.h>
+#include <linux/time.h>
 #include <asm/mpc8260.h>
 #include <asm/prom.h>
 
@@ -36,7 +36,7 @@ static void __init km82xx_pic_init(void)
 	struct device_node *np = of_find_compatible_node(NULL, NULL,
 							"fsl,pq2-pic");
 	if (!np) {
-		printk(KERN_ERR "PIC init: can not find cpm-pic node\n");
+		pr_err("PIC init: can not find cpm-pic node\n");
 		return;
 	}
 
diff --git a/arch/powerpc/platforms/82xx/pq2.c b/arch/powerpc/platforms/82xx/pq2.c
index fb94d10e5a4d..fc8b2d6a7d8d 100644
--- a/arch/powerpc/platforms/82xx/pq2.c
+++ b/arch/powerpc/platforms/82xx/pq2.c
@@ -71,11 +71,11 @@ err:
 
 void __init pq2_init_pci(void)
 {
-	struct device_node *np = NULL;
+	struct device_node *np;
 
 	ppc_md.pci_exclude_device = pq2_pci_exclude_device;
 
-	while ((np = of_find_compatible_node(np, NULL, "fsl,pq2-pci")))
+	for_each_compatible_node(np, NULL, "fsl,pq2-pci")
 		pq2_pci_add_bridge(np);
 }
 #endif
diff --git a/arch/powerpc/platforms/83xx/km83xx.c b/arch/powerpc/platforms/83xx/km83xx.c
index 89923d723349..bf4c4473abb9 100644
--- a/arch/powerpc/platforms/83xx/km83xx.c
+++ b/arch/powerpc/platforms/83xx/km83xx.c
@@ -28,8 +28,8 @@
 #include <linux/of_device.h>
 
 #include <linux/atomic.h>
-#include <asm/time.h>
-#include <asm/io.h>
+#include <linux/time.h>
+#include <linux/io.h>
 #include <asm/machdep.h>
 #include <asm/ipic.h>
 #include <asm/irq.h>
@@ -43,6 +43,82 @@
 #include "mpc83xx.h"
 
 #define SVR_REV(svr)    (((svr) >>  0) & 0xFFFF) /* Revision field */
+
+static void quirk_mpc8360e_qe_enet10(void)
+{
+	/*
+	 * handle mpc8360E Erratum QE_ENET10:
+	 * RGMII AC values do not meet the specification
+	 */
+	uint svid = mfspr(SPRN_SVR);
+	struct	device_node *np_par;
+	struct	resource res;
+	void	__iomem *base;
+	int	ret;
+
+	np_par = of_find_node_by_name(NULL, "par_io");
+	if (np_par == NULL) {
+		pr_warn("%s couldn;t find par_io node\n", __func__);
+		return;
+	}
+	/* Map Parallel I/O ports registers */
+	ret = of_address_to_resource(np_par, 0, &res);
+	if (ret) {
+		pr_warn("%s couldn;t map par_io registers\n", __func__);
+		return;
+	}
+
+	base = ioremap(res.start, res.end - res.start + 1);
+
+	/*
+	 * set output delay adjustments to default values according
+	 * table 5 in Errata Rev. 5, 9/2011:
+	 *
+	 * write 0b01 to UCC1 bits 18:19
+	 * write 0b01 to UCC2 option 1 bits 4:5
+	 * write 0b01 to UCC2 option 2 bits 16:17
+	 */
+	clrsetbits_be32((base + 0xa8), 0x0c00f000, 0x04005000);
+
+	/*
+	 * set output delay adjustments to default values according
+	 * table 3-13 in Reference Manual Rev.3 05/2010:
+	 *
+	 * write 0b01 to UCC2 option 2 bits 16:17
+	 * write 0b0101 to UCC1 bits 20:23
+	 * write 0b0101 to UCC2 option 1 bits 24:27
+	 */
+	clrsetbits_be32((base + 0xac), 0x0000cff0, 0x00004550);
+
+	if (SVR_REV(svid) == 0x0021) {
+		/*
+		 * UCC2 option 1: write 0b1010 to bits 24:27
+		 * at address IMMRBAR+0x14AC
+		 */
+		clrsetbits_be32((base + 0xac), 0x000000f0, 0x000000a0);
+	} else if (SVR_REV(svid) == 0x0020) {
+		/*
+		 * UCC1: write 0b11 to bits 18:19
+		 * at address IMMRBAR+0x14A8
+		 */
+		setbits32((base + 0xa8), 0x00003000);
+
+		/*
+		 * UCC2 option 1: write 0b11 to bits 4:5
+		 * at address IMMRBAR+0x14A8
+		 */
+		setbits32((base + 0xa8), 0x0c000000);
+
+		/*
+		 * UCC2 option 2: write 0b11 to bits 16:17
+		 * at address IMMRBAR+0x14AC
+		 */
+		setbits32((base + 0xac), 0x0000c000);
+	}
+	iounmap(base);
+	of_node_put(np_par);
+}
+
 /* ************************************************************************
  *
  * Setup the architecture
@@ -72,84 +148,13 @@ static void __init mpc83xx_km_setup_arch(void)
 
 		for_each_node_by_name(np, "ucc")
 			par_io_of_config(np);
-	}
-
-	np = of_find_compatible_node(NULL, "network", "ucc_geth");
-	if (np != NULL) {
-		/*
-		 * handle mpc8360E Erratum QE_ENET10:
-		 * RGMII AC values do not meet the specification
-		 */
-		uint svid = mfspr(SPRN_SVR);
-		struct	device_node *np_par;
-		struct	resource res;
-		void	__iomem *base;
-		int	ret;
-
-		np_par = of_find_node_by_name(NULL, "par_io");
-		if (np_par == NULL) {
-			printk(KERN_WARNING "%s couldn;t find par_io node\n",
-				__func__);
-			return;
-		}
-		/* Map Parallel I/O ports registers */
-		ret = of_address_to_resource(np_par, 0, &res);
-		if (ret) {
-			printk(KERN_WARNING "%s couldn;t map par_io registers\n",
-				__func__);
-			return;
-		}
-
-		base = ioremap(res.start, res.end - res.start + 1);
-
-		/*
-		 * set output delay adjustments to default values according
-		 * table 5 in Errata Rev. 5, 9/2011:
-		 *
-		 * write 0b01 to UCC1 bits 18:19
-		 * write 0b01 to UCC2 option 1 bits 4:5
-		 * write 0b01 to UCC2 option 2 bits 16:17
-		 */
-		clrsetbits_be32((base + 0xa8), 0x0c00f000, 0x04005000);
 
-		/*
-		 * set output delay adjustments to default values according
-		 * table 3-13 in Reference Manual Rev.3 05/2010:
-		 *
-		 * write 0b01 to UCC2 option 2 bits 16:17
-		 * write 0b0101 to UCC1 bits 20:23
-		 * write 0b0101 to UCC2 option 1 bits 24:27
-		 */
-		clrsetbits_be32((base + 0xac), 0x0000cff0, 0x00004550);
-
-		if (SVR_REV(svid) == 0x0021) {
-			/*
-			 * UCC2 option 1: write 0b1010 to bits 24:27
-			 * at address IMMRBAR+0x14AC
-			 */
-			clrsetbits_be32((base + 0xac), 0x000000f0, 0x000000a0);
-		} else if (SVR_REV(svid) == 0x0020) {
-			/*
-			 * UCC1: write 0b11 to bits 18:19
-			 * at address IMMRBAR+0x14A8
-			 */
-			setbits32((base + 0xa8), 0x00003000);
-
-			/*
-			 * UCC2 option 1: write 0b11 to bits 4:5
-			 * at address IMMRBAR+0x14A8
-			 */
-			setbits32((base + 0xa8), 0x0c000000);
-
-			/*
-			 * UCC2 option 2: write 0b11 to bits 16:17
-			 * at address IMMRBAR+0x14AC
-			 */
-			setbits32((base + 0xac), 0x0000c000);
+		/* Only apply this quirk when par_io is available */
+		np = of_find_compatible_node(NULL, "network", "ucc_geth");
+		if (np != NULL) {
+			quirk_mpc8360e_qe_enet10();
+			of_node_put(np);
 		}
-		iounmap(base);
-		of_node_put(np_par);
-		of_node_put(np);
 	}
 #endif	/* CONFIG_QUICC_ENGINE */
 }
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 92ab60a62711..a0dcd577fb0d 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -191,6 +191,13 @@ config SBC8548
 	help
 	  This option enables support for the Wind River SBC8548 board
 
+config PPA8548
+	bool "Prodrive PPA8548"
+	help
+	  This option enables support for the Prodrive PPA8548 board.
+	select DEFAULT_UIMAGE
+	select HAS_RAPIDIO
+
 config GE_IMP3A
 	bool "GE Intelligent Platforms IMP3A"
 	select DEFAULT_UIMAGE
@@ -245,6 +252,14 @@ config P4080_DS
 	help
 	  This option enables support for the P4080 DS board
 
+config SGY_CTS1000
+	tristate "Servergy CTS-1000 support"
+	select GPIOLIB
+	select OF_GPIO
+	depends on P4080_DS
+	help
+	  Enable this to support functionality in Servergy's CTS-1000 systems.
+
 endif # PPC32
 
 config P5020_DS
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index 76f679cb04a0..07d0dbb141c0 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -25,8 +25,10 @@ obj-$(CONFIG_P5040_DS)    += p5040_ds.o corenet_ds.o
 obj-$(CONFIG_STX_GP3)	  += stx_gp3.o
 obj-$(CONFIG_TQM85xx)	  += tqm85xx.o
 obj-$(CONFIG_SBC8548)     += sbc8548.o
+obj-$(CONFIG_PPA8548)     += ppa8548.o
 obj-$(CONFIG_SOCRATES)    += socrates.o socrates_fpga_pic.o
 obj-$(CONFIG_KSI8560)	  += ksi8560.o
 obj-$(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
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index bd12588fa252..a7b3621a8df5 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -206,9 +206,7 @@ static void __init mpc85xx_mds_reset_ucc_phys(void)
 		setbits8(&bcsr_regs[7], BCSR7_UCC12_GETHnRST);
 		clrbits8(&bcsr_regs[8], BCSR8_UEM_MARVELL_RST);
 
-		for (np = NULL; (np = of_find_compatible_node(np,
-						"network",
-						"ucc_geth")) != NULL;) {
+		for_each_compatible_node(np, "network", "ucc_geth") {
 			const unsigned int *prop;
 			int ucc_num;
 
diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c
index e346edf7f157..e611e79f23ce 100644
--- a/arch/powerpc/platforms/85xx/p1022_ds.c
+++ b/arch/powerpc/platforms/85xx/p1022_ds.c
@@ -106,42 +106,6 @@
 	(c2 << AD_COMP_2_SHIFT) | (c1 << AD_COMP_1_SHIFT) | \
 	(c0 << AD_COMP_0_SHIFT) | (size << AD_PIXEL_S_SHIFT))
 
-/**
- * p1022ds_get_pixel_format: return the Area Descriptor for a given pixel depth
- *
- * The Area Descriptor is a 32-bit value that determine which bits in each
- * pixel are to be used for each color.
- */
-static u32 p1022ds_get_pixel_format(enum fsl_diu_monitor_port port,
-				    unsigned int bits_per_pixel)
-{
-	switch (bits_per_pixel) {
-	case 32:
-		/* 0x88883316 */
-		return MAKE_AD(3, 2, 0, 1, 3, 8, 8, 8, 8);
-	case 24:
-		/* 0x88082219 */
-		return MAKE_AD(4, 0, 1, 2, 2, 0, 8, 8, 8);
-	case 16:
-		/* 0x65053118 */
-		return MAKE_AD(4, 2, 1, 0, 1, 5, 6, 5, 0);
-	default:
-		pr_err("fsl-diu: unsupported pixel depth %u\n", bits_per_pixel);
-		return 0;
-	}
-}
-
-/**
- * p1022ds_set_gamma_table: update the gamma table, if necessary
- *
- * On some boards, the gamma table for some ports may need to be modified.
- * This is not the case on the P1022DS, so we do nothing.
-*/
-static void p1022ds_set_gamma_table(enum fsl_diu_monitor_port port,
-				    char *gamma_table_base)
-{
-}
-
 struct fsl_law {
 	u32	lawbar;
 	u32	reserved1;
@@ -302,7 +266,7 @@ static void p1022ds_set_monitor_port(enum fsl_diu_monitor_port port)
 		goto exit;
 	}
 	cs1_addr = lbc_br_to_phys(ecm, num_laws, br1);
-	if (!cs0_addr) {
+	if (!cs1_addr) {
 		pr_err("p1022ds: could not determine physical address for CS1"
 		       " (BR1=%08x)\n", br1);
 		goto exit;
@@ -510,8 +474,6 @@ static void __init p1022_ds_setup_arch(void)
 		ppc_md.progress("p1022_ds_setup_arch()", 0);
 
 #if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE)
-	diu_ops.get_pixel_format	= p1022ds_get_pixel_format;
-	diu_ops.set_gamma_table		= p1022ds_set_gamma_table;
 	diu_ops.set_monitor_port	= p1022ds_set_monitor_port;
 	diu_ops.set_pixel_clock		= p1022ds_set_pixel_clock;
 	diu_ops.valid_monitor_port	= p1022ds_valid_monitor_port;
diff --git a/arch/powerpc/platforms/85xx/p1022_rdk.c b/arch/powerpc/platforms/85xx/p1022_rdk.c
index 55ffa1cc380c..8c9297112b30 100644
--- a/arch/powerpc/platforms/85xx/p1022_rdk.c
+++ b/arch/powerpc/platforms/85xx/p1022_rdk.c
@@ -35,17 +35,6 @@
 #define CLKDVDR_PXCLK_MASK	0x00FF0000
 
 /**
- * p1022rdk_set_monitor_port: switch the output to a different monitor port
- */
-static void p1022rdk_set_monitor_port(enum fsl_diu_monitor_port port)
-{
-	if (port != FSL_DIU_PORT_DVI) {
-		pr_err("p1022rdk: unsupported monitor port %i\n", port);
-		return;
-	}
-}
-
-/**
  * p1022rdk_set_pixel_clock: program the DIU's clock
  *
  * @pixclock: the wavelength, in picoseconds, of the clock
@@ -124,7 +113,6 @@ static void __init p1022_rdk_setup_arch(void)
 		ppc_md.progress("p1022_rdk_setup_arch()", 0);
 
 #if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE)
-	diu_ops.set_monitor_port	= p1022rdk_set_monitor_port;
 	diu_ops.set_pixel_clock		= p1022rdk_set_pixel_clock;
 	diu_ops.valid_monitor_port	= p1022rdk_valid_monitor_port;
 #endif
diff --git a/arch/powerpc/platforms/85xx/ppa8548.c b/arch/powerpc/platforms/85xx/ppa8548.c
new file mode 100644
index 000000000000..6a7704b92c3b
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/ppa8548.c
@@ -0,0 +1,98 @@
+/*
+ * ppa8548 setup and early boot code.
+ *
+ * Copyright 2009 Prodrive B.V..
+ *
+ * By Stef van Os (see MAINTAINERS for contact information)
+ *
+ * Based on the SBC8548 support - Copyright 2007 Wind River Systems Inc.
+ * Based on the MPC8548CDS support - Copyright 2005 Freescale Inc.
+ *
+ * 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 <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/reboot.h>
+#include <linux/seq_file.h>
+#include <linux/of_platform.h>
+
+#include <asm/machdep.h>
+#include <asm/udbg.h>
+#include <asm/mpic.h>
+
+#include <sysdev/fsl_soc.h>
+
+static void __init ppa8548_pic_init(void)
+{
+	struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN,
+			0, 256, " OpenPIC  ");
+	BUG_ON(mpic == NULL);
+	mpic_init(mpic);
+}
+
+/*
+ * Setup the architecture
+ */
+static void __init ppa8548_setup_arch(void)
+{
+	if (ppc_md.progress)
+		ppc_md.progress("ppa8548_setup_arch()", 0);
+}
+
+static void ppa8548_show_cpuinfo(struct seq_file *m)
+{
+	uint32_t svid, phid1;
+
+	svid = mfspr(SPRN_SVR);
+
+	seq_printf(m, "Vendor\t\t: Prodrive B.V.\n");
+	seq_printf(m, "SVR\t\t: 0x%x\n", svid);
+
+	/* Display cpu Pll setting */
+	phid1 = mfspr(SPRN_HID1);
+	seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
+}
+
+static struct of_device_id __initdata of_bus_ids[] = {
+	{ .name = "soc", },
+	{ .type = "soc", },
+	{ .compatible = "simple-bus", },
+	{ .compatible = "gianfar", },
+	{ .compatible = "fsl,srio", },
+	{},
+};
+
+static int __init declare_of_platform_devices(void)
+{
+	of_platform_bus_probe(NULL, of_bus_ids, NULL);
+
+	return 0;
+}
+machine_device_initcall(ppa8548, declare_of_platform_devices);
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init ppa8548_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	return of_flat_dt_is_compatible(root, "ppa8548");
+}
+
+define_machine(ppa8548) {
+	.name		= "ppa8548",
+	.probe		= ppa8548_probe,
+	.setup_arch	= ppa8548_setup_arch,
+	.init_IRQ	= ppa8548_pic_init,
+	.show_cpuinfo	= ppa8548_show_cpuinfo,
+	.get_irq	= mpic_get_irq,
+	.restart	= fsl_rstcr_restart,
+	.calibrate_decr = generic_calibrate_decr,
+	.progress	= udbg_progress,
+};
diff --git a/arch/powerpc/platforms/85xx/qemu_e500.c b/arch/powerpc/platforms/85xx/qemu_e500.c
index f6ea5618c733..5cefc5a9a144 100644
--- a/arch/powerpc/platforms/85xx/qemu_e500.c
+++ b/arch/powerpc/platforms/85xx/qemu_e500.c
@@ -29,9 +29,10 @@
 void __init qemu_e500_pic_init(void)
 {
 	struct mpic *mpic;
+	unsigned int flags = MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU |
+		MPIC_ENABLE_COREINT;
 
-	mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU,
-			0, 256, " OpenPIC  ");
+	mpic = mpic_alloc(NULL, 0, flags, 0, 256, " OpenPIC  ");
 
 	BUG_ON(mpic == NULL);
 	mpic_init(mpic);
@@ -66,7 +67,7 @@ define_machine(qemu_e500) {
 #ifdef CONFIG_PCI
 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
 #endif
-	.get_irq		= mpic_get_irq,
+	.get_irq		= mpic_get_coreint_irq,
 	.restart		= fsl_rstcr_restart,
 	.calibrate_decr		= generic_calibrate_decr,
 	.progress		= udbg_progress,
diff --git a/arch/powerpc/platforms/85xx/sgy_cts1000.c b/arch/powerpc/platforms/85xx/sgy_cts1000.c
new file mode 100644
index 000000000000..611e92f291c4
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/sgy_cts1000.c
@@ -0,0 +1,176 @@
+/*
+ * Servergy CTS-1000 Setup
+ *
+ * Maintained by Ben Collins <ben.c@servergy.com>
+ *
+ * Copyright 2012 by Servergy, Inc.
+ *
+ * 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 <linux/platform_device.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/of_gpio.h>
+#include <linux/workqueue.h>
+#include <linux/reboot.h>
+#include <linux/interrupt.h>
+
+#include <asm/machdep.h>
+
+static struct device_node *halt_node;
+
+static struct of_device_id child_match[] = {
+	{
+		.compatible = "sgy,gpio-halt",
+	},
+	{},
+};
+
+static void gpio_halt_wfn(struct work_struct *work)
+{
+	/* Likely wont return */
+	orderly_poweroff(true);
+}
+static DECLARE_WORK(gpio_halt_wq, gpio_halt_wfn);
+
+static void gpio_halt_cb(void)
+{
+	enum of_gpio_flags flags;
+	int trigger, gpio;
+
+	if (!halt_node)
+		return;
+
+	gpio = of_get_gpio_flags(halt_node, 0, &flags);
+
+	if (!gpio_is_valid(gpio))
+		return;
+
+	trigger = (flags == OF_GPIO_ACTIVE_LOW);
+
+	printk(KERN_INFO "gpio-halt: triggering GPIO.\n");
+
+	/* Probably wont return */
+	gpio_set_value(gpio, trigger);
+}
+
+/* This IRQ means someone pressed the power button and it is waiting for us
+ * to handle the shutdown/poweroff. */
+static irqreturn_t gpio_halt_irq(int irq, void *__data)
+{
+	printk(KERN_INFO "gpio-halt: shutdown due to power button IRQ.\n");
+	schedule_work(&gpio_halt_wq);
+
+        return IRQ_HANDLED;
+};
+
+static int __devinit gpio_halt_probe(struct platform_device *pdev)
+{
+	enum of_gpio_flags flags;
+	struct device_node *node = pdev->dev.of_node;
+	int gpio, err, irq;
+	int trigger;
+
+	if (!node)
+		return -ENODEV;
+
+	/* If there's no matching child, this isn't really an error */
+	halt_node = of_find_matching_node(node, child_match);
+	if (!halt_node)
+		return 0;
+
+	/* Technically we could just read the first one, but punish
+	 * DT writers for invalid form. */
+	if (of_gpio_count(halt_node) != 1)
+		return -EINVAL;
+
+	/* Get the gpio number relative to the dynamic base. */
+	gpio = of_get_gpio_flags(halt_node, 0, &flags);
+	if (!gpio_is_valid(gpio))
+		return -EINVAL;
+
+	err = gpio_request(gpio, "gpio-halt");
+	if (err) {
+		printk(KERN_ERR "gpio-halt: error requesting GPIO %d.\n",
+		       gpio);
+		halt_node = NULL;
+		return err;
+	}
+
+	trigger = (flags == OF_GPIO_ACTIVE_LOW);
+
+	gpio_direction_output(gpio, !trigger);
+
+	/* Now get the IRQ which tells us when the power button is hit */
+	irq = irq_of_parse_and_map(halt_node, 0);
+	err = request_irq(irq, gpio_halt_irq, IRQF_TRIGGER_RISING |
+			  IRQF_TRIGGER_FALLING, "gpio-halt", halt_node);
+	if (err) {
+		printk(KERN_ERR "gpio-halt: error requesting IRQ %d for "
+		       "GPIO %d.\n", irq, gpio);
+		gpio_free(gpio);
+		halt_node = NULL;
+		return err;
+	}
+
+	/* Register our halt function */
+	ppc_md.halt = gpio_halt_cb;
+	ppc_md.power_off = gpio_halt_cb;
+
+	printk(KERN_INFO "gpio-halt: registered GPIO %d (%d trigger, %d"
+	       " irq).\n", gpio, trigger, irq);
+
+	return 0;
+}
+
+static int __devexit gpio_halt_remove(struct platform_device *pdev)
+{
+	if (halt_node) {
+		int gpio = of_get_gpio(halt_node, 0);
+		int irq = irq_of_parse_and_map(halt_node, 0);
+
+		free_irq(irq, halt_node);
+
+		ppc_md.halt = NULL;
+		ppc_md.power_off = NULL;
+
+		gpio_free(gpio);
+
+		halt_node = NULL;
+	}
+
+	return 0;
+}
+
+static struct of_device_id gpio_halt_match[] = {
+	/* We match on the gpio bus itself and scan the children since they
+	 * wont be matched against us. We know the bus wont match until it
+	 * has been registered too. */
+	{
+		.compatible = "fsl,qoriq-gpio",
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(of, gpio_halt_match);
+
+static struct platform_driver gpio_halt_driver = {
+	.driver = {
+		.name		= "gpio-halt",
+		.owner		= THIS_MODULE,
+		.of_match_table = gpio_halt_match,
+	},
+	.probe		= gpio_halt_probe,
+	.remove		= __devexit_p(gpio_halt_remove),
+};
+
+module_platform_driver(gpio_halt_driver);
+
+MODULE_DESCRIPTION("Driver to support GPIO triggered system halt for Servergy CTS-1000 Systems.");
+MODULE_VERSION("1.0");
+MODULE_AUTHOR("Ben Collins <ben.c@servergy.com>");
+MODULE_LICENSE("GPL");
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index 48a920d51489..52de8bccfb30 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -352,8 +352,6 @@ config OF_RTC
 	  Uses information from the OF or flattened device tree to instantiate
 	  platform devices for direct mapped RTC chips like the DS1742 or DS1743.
 
-source "arch/powerpc/sysdev/bestcomm/Kconfig"
-
 config SIMPLE_GPIO
 	bool "Support for simple, memory-mapped GPIO controllers"
 	depends on PPC
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 72afd2888cad..cea2f09c4241 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -76,6 +76,7 @@ config PPC_BOOK3E_64
 	bool "Embedded processors"
 	select PPC_FPU # Make it a choice ?
 	select PPC_SMP_MUXED_IPI
+	select PPC_DOORBELL
 
 endchoice
 
@@ -208,6 +209,7 @@ config PPC_FSL_BOOK3E
 	select FSL_EMB_PERFMON
 	select PPC_SMP_MUXED_IPI
 	select SYS_SUPPORTS_HUGETLBFS if PHYS_64BIT || PPC64
+	select PPC_DOORBELL
 	default y if FSL_BOOKE
 
 config PTE_64BIT
@@ -382,4 +384,8 @@ config NOT_COHERENT_CACHE
 config CHECK_CACHE_COHERENCY
 	bool
 
+config PPC_DOORBELL
+	bool
+	default n
+
 endmenu
diff --git a/arch/powerpc/platforms/cell/celleb_scc_sio.c b/arch/powerpc/platforms/cell/celleb_scc_sio.c
index 3a16c5b3c464..9c339ec646f5 100644
--- a/arch/powerpc/platforms/cell/celleb_scc_sio.c
+++ b/arch/powerpc/platforms/cell/celleb_scc_sio.c
@@ -42,14 +42,13 @@ static struct {
 static int __init txx9_serial_init(void)
 {
 	extern int early_serial_txx9_setup(struct uart_port *port);
-	struct device_node *node = NULL;
+	struct device_node *node;
 	int i;
 	struct uart_port req;
 	struct of_irq irq;
 	struct resource res;
 
-	while ((node = of_find_compatible_node(node,
-				"serial", "toshiba,sio-scc")) != NULL) {
+	for_each_compatible_node(node, "serial", "toshiba,sio-scc") {
 		for (i = 0; i < ARRAY_SIZE(txx9_scc_tab); i++) {
 			if (!(txx9_serial_bitmap & (1<<i)))
 				continue;
diff --git a/arch/powerpc/platforms/cell/spu_callbacks.c b/arch/powerpc/platforms/cell/spu_callbacks.c
index 75d613313f10..b0ec78e8ad68 100644
--- a/arch/powerpc/platforms/cell/spu_callbacks.c
+++ b/arch/powerpc/platforms/cell/spu_callbacks.c
@@ -60,13 +60,12 @@ long spu_sys_callback(struct spu_syscall_block *s)
 
 	syscall = spu_syscall_table[s->nr_ret];
 
-#ifdef DEBUG
-	print_symbol(KERN_DEBUG "SPU-syscall %s:", (unsigned long)syscall);
-	printk("syscall%ld(%lx, %lx, %lx, %lx, %lx, %lx)\n",
-			s->nr_ret,
-			s->parm[0], s->parm[1], s->parm[2],
-			s->parm[3], s->parm[4], s->parm[5]);
-#endif
+	pr_debug("SPU-syscall "
+		 "%pSR:syscall%lld(%llx, %llx, %llx, %llx, %llx, %llx)\n",
+		 syscall,
+		 s->nr_ret,
+		 s->parm[0], s->parm[1], s->parm[2],
+		 s->parm[3], s->parm[4], s->parm[5]);
 
 	return syscall(s->parm[0], s->parm[1], s->parm[2],
 		       s->parm[3], s->parm[4], s->parm[5]);
diff --git a/arch/powerpc/platforms/ps3/htab.c b/arch/powerpc/platforms/ps3/htab.c
index d00d7b0a3bda..6cc58201db8c 100644
--- a/arch/powerpc/platforms/ps3/htab.c
+++ b/arch/powerpc/platforms/ps3/htab.c
@@ -27,6 +27,7 @@
 #include <asm/lv1call.h>
 #include <asm/ps3fb.h>
 
+#define PS3_VERBOSE_RESULT
 #include "platform.h"
 
 /**
@@ -75,8 +76,9 @@ static long ps3_hpte_insert(unsigned long hpte_group, unsigned long vpn,
 
 	if (result) {
 		/* all entries bolted !*/
-		pr_info("%s:result=%d vpn=%lx pa=%lx ix=%lx v=%llx r=%llx\n",
-			__func__, result, vpn, pa, hpte_group, hpte_v, hpte_r);
+		pr_info("%s:result=%s vpn=%lx pa=%lx ix=%lx v=%llx r=%llx\n",
+			__func__, ps3_result(result), vpn, pa, hpte_group,
+			hpte_v, hpte_r);
 		BUG();
 	}
 
@@ -125,8 +127,8 @@ static long ps3_hpte_updatepp(unsigned long slot, unsigned long newpp,
 				       &hpte_rs);
 
 	if (result) {
-		pr_info("%s: res=%d read vpn=%lx slot=%lx psize=%d\n",
-			__func__, result, vpn, slot, psize);
+		pr_info("%s: result=%s read vpn=%lx slot=%lx psize=%d\n",
+			__func__, ps3_result(result), vpn, slot, psize);
 		BUG();
 	}
 
@@ -170,8 +172,8 @@ static void ps3_hpte_invalidate(unsigned long slot, unsigned long vpn,
 	result = lv1_write_htab_entry(PS3_LPAR_VAS_ID_CURRENT, slot, 0, 0);
 
 	if (result) {
-		pr_info("%s: res=%d vpn=%lx slot=%lx psize=%d\n",
-			__func__, result, vpn, slot, psize);
+		pr_info("%s: result=%s vpn=%lx slot=%lx psize=%d\n",
+			__func__, ps3_result(result), vpn, slot, psize);
 		BUG();
 	}
 
diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig
index 837cf49357ed..9a0941bc4d31 100644
--- a/arch/powerpc/platforms/pseries/Kconfig
+++ b/arch/powerpc/platforms/pseries/Kconfig
@@ -17,6 +17,7 @@ config PPC_PSERIES
 	select PPC_NATIVE
 	select PPC_PCI_CHOICE if EXPERT
 	select ZLIB_DEFLATE
+	select PPC_DOORBELL
 	default y
 
 config PPC_SPLPAR
diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile
index 890622b87c8f..53866e537a92 100644
--- a/arch/powerpc/platforms/pseries/Makefile
+++ b/arch/powerpc/platforms/pseries/Makefile
@@ -1,4 +1,4 @@
-ccflags-$(CONFIG_PPC64)			:= -mno-minimal-toc
+ccflags-$(CONFIG_PPC64)			:= $(NO_MINIMAL_TOC)
 ccflags-$(CONFIG_PPC_PSERIES_DEBUG)	+= -DDEBUG
 
 obj-y			:= lpar.o hvCall.o nvram.o reconfig.o \
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c
index 9a04322b1736..6b73d6c44f51 100644
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -788,7 +788,6 @@ static void eeh_add_device_late(struct pci_dev *dev)
 	dev->dev.archdata.edev = edev;
 
 	eeh_addr_cache_insert_dev(dev);
-	eeh_sysfs_add_device(dev);
 }
 
 /**
@@ -815,6 +814,29 @@ void eeh_add_device_tree_late(struct pci_bus *bus)
 EXPORT_SYMBOL_GPL(eeh_add_device_tree_late);
 
 /**
+ * eeh_add_sysfs_files - Add EEH sysfs files for the indicated PCI bus
+ * @bus: PCI bus
+ *
+ * This routine must be used to add EEH sysfs files for PCI
+ * devices which are attached to the indicated PCI bus. The PCI bus
+ * is added after system boot through hotplug or dlpar.
+ */
+void eeh_add_sysfs_files(struct pci_bus *bus)
+{
+	struct pci_dev *dev;
+
+	list_for_each_entry(dev, &bus->devices, bus_list) {
+		eeh_sysfs_add_device(dev);
+		if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
+			struct pci_bus *subbus = dev->subordinate;
+			if (subbus)
+				eeh_add_sysfs_files(subbus);
+		}
+	}
+}
+EXPORT_SYMBOL_GPL(eeh_add_sysfs_files);
+
+/**
  * eeh_remove_device - Undo EEH setup for the indicated pci device
  * @dev: pci device to be removed
  * @purge_pe: remove the PE or not
diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c
index 7b56118f531c..aa3693f7fb27 100644
--- a/arch/powerpc/platforms/pseries/firmware.c
+++ b/arch/powerpc/platforms/pseries/firmware.c
@@ -33,6 +33,11 @@ typedef struct {
     char * name;
 } firmware_feature_t;
 
+/*
+ * The names in this table match names in rtas/ibm,hypertas-functions.  If the
+ * entry ends in a '*', only upto the '*' is matched.  Otherwise the entire
+ * string must match.
+ */
 static __initdata firmware_feature_t
 firmware_features_table[FIRMWARE_MAX_FEATURES] = {
 	{FW_FEATURE_PFT,		"hcall-pft"},
@@ -57,6 +62,7 @@ firmware_features_table[FIRMWARE_MAX_FEATURES] = {
 	{FW_FEATURE_SPLPAR,		"hcall-splpar"},
 	{FW_FEATURE_VPHN,		"hcall-vphn"},
 	{FW_FEATURE_SET_MODE,		"hcall-set-mode"},
+	{FW_FEATURE_BEST_ENERGY,	"hcall-best-energy-1*"},
 };
 
 /* Build up the firmware features bitmask using the contents of
@@ -72,9 +78,20 @@ void __init fw_feature_init(const char *hypertas, unsigned long len)
 
 	for (s = hypertas; s < hypertas + len; s += strlen(s) + 1) {
 		for (i = 0; i < FIRMWARE_MAX_FEATURES; i++) {
+			const char *name = firmware_features_table[i].name;
+			size_t size;
 			/* check value against table of strings */
-			if (!firmware_features_table[i].name ||
-			    strcmp(firmware_features_table[i].name, s))
+			if (!name)
+				continue;
+			/*
+			 * If there is a '*' at the end of name, only check
+			 * upto there
+			 */
+			size = strlen(name);
+			if (size && name[size - 1] == '*') {
+				if (strncmp(name, s, size - 1))
+					continue;
+			} else if (strcmp(name, s))
 				continue;
 
 			/* we have a match */
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index a38956269fbf..217ca5c75b20 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -127,9 +127,16 @@ static void pseries_mach_cpu_die(void)
 			get_lppaca()->donate_dedicated_cpu = 1;
 
 		while (get_preferred_offline_state(cpu) == CPU_STATE_INACTIVE) {
+			while (!prep_irq_for_idle()) {
+				local_irq_enable();
+				local_irq_disable();
+			}
+
 			extended_cede_processor(cede_latency_hint);
 		}
 
+		local_irq_disable();
+
 		if (!get_lppaca()->shared_proc)
 			get_lppaca()->donate_dedicated_cpu = 0;
 		get_lppaca()->idle = 0;
@@ -137,6 +144,7 @@ static void pseries_mach_cpu_die(void)
 		if (get_preferred_offline_state(cpu) == CPU_STATE_ONLINE) {
 			unregister_slb_shadow(hwcpu);
 
+			hard_irq_disable();
 			/*
 			 * Call to start_secondary_resume() will not return.
 			 * Kernel stack will be reset and start_secondary()
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index e2685badb5db..1b2a174e7c59 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -382,6 +382,7 @@ static int tce_clearrange_multi_pSeriesLP(unsigned long start_pfn,
 		rc = plpar_tce_stuff((u64)be32_to_cpu(maprange->liobn),
 					     dma_offset,
 					     0, limit);
+		next += limit * tce_size;
 		num_tce -= limit;
 	} while (num_tce > 0 && !rc);
 
@@ -786,33 +787,68 @@ static u64 find_existing_ddw(struct device_node *pdn)
 	return dma_addr;
 }
 
+static void __restore_default_window(struct eeh_dev *edev,
+						u32 ddw_restore_token)
+{
+	u32 cfg_addr;
+	u64 buid;
+	int ret;
+
+	/*
+	 * Get the config address and phb buid of the PE window.
+	 * Rely on eeh to retrieve this for us.
+	 * Retrieve them from the pci device, not the node with the
+	 * dma-window property
+	 */
+	cfg_addr = edev->config_addr;
+	if (edev->pe_config_addr)
+		cfg_addr = edev->pe_config_addr;
+	buid = edev->phb->buid;
+
+	do {
+		ret = rtas_call(ddw_restore_token, 3, 1, NULL, cfg_addr,
+					BUID_HI(buid), BUID_LO(buid));
+	} while (rtas_busy_delay(ret));
+	pr_info("ibm,reset-pe-dma-windows(%x) %x %x %x returned %d\n",
+		 ddw_restore_token, cfg_addr, BUID_HI(buid), BUID_LO(buid), ret);
+}
+
 static int find_existing_ddw_windows(void)
 {
-	int len;
 	struct device_node *pdn;
-	struct direct_window *window;
 	const struct dynamic_dma_window_prop *direct64;
+	const u32 *ddw_extensions;
 
 	if (!firmware_has_feature(FW_FEATURE_LPAR))
 		return 0;
 
 	for_each_node_with_property(pdn, DIRECT64_PROPNAME) {
-		direct64 = of_get_property(pdn, DIRECT64_PROPNAME, &len);
+		direct64 = of_get_property(pdn, DIRECT64_PROPNAME, NULL);
 		if (!direct64)
 			continue;
 
-		window = kzalloc(sizeof(*window), GFP_KERNEL);
-		if (!window || len < sizeof(struct dynamic_dma_window_prop)) {
-			kfree(window);
-			remove_ddw(pdn);
-			continue;
-		}
+		/*
+		 * We need to ensure the IOMMU table is active when we
+		 * return from the IOMMU setup so that the common code
+		 * can clear the table or find the holes. To that end,
+		 * first, remove any existing DDW configuration.
+		 */
+		remove_ddw(pdn);
 
-		window->device = pdn;
-		window->prop = direct64;
-		spin_lock(&direct_window_list_lock);
-		list_add(&window->list, &direct_window_list);
-		spin_unlock(&direct_window_list_lock);
+		/*
+		 * Second, if we are running on a new enough level of
+		 * firmware where the restore API is present, use it to
+		 * restore the 32-bit window, which was removed in
+		 * create_ddw.
+		 * If the API is not present, then create_ddw couldn't
+		 * have removed the 32-bit window in the first place, so
+		 * removing the DDW configuration should be sufficient.
+		 */
+		ddw_extensions = of_get_property(pdn, "ibm,ddw-extensions",
+									NULL);
+		if (ddw_extensions && ddw_extensions[0] > 0)
+			__restore_default_window(of_node_to_eeh_dev(pdn),
+							ddw_extensions[1]);
 	}
 
 	return 0;
@@ -883,32 +919,9 @@ static int create_ddw(struct pci_dev *dev, const u32 *ddw_avail,
 }
 
 static void restore_default_window(struct pci_dev *dev,
-				u32 ddw_restore_token, unsigned long liobn)
+					u32 ddw_restore_token)
 {
-	struct eeh_dev *edev;
-	u32 cfg_addr;
-	u64 buid;
-	int ret;
-
-	/*
-	 * Get the config address and phb buid of the PE window.
-	 * Rely on eeh to retrieve this for us.
-	 * Retrieve them from the pci device, not the node with the
-	 * dma-window property
-	 */
-	edev = pci_dev_to_eeh_dev(dev);
-	cfg_addr = edev->config_addr;
-	if (edev->pe_config_addr)
-		cfg_addr = edev->pe_config_addr;
-	buid = edev->phb->buid;
-
-	do {
-		ret = rtas_call(ddw_restore_token, 3, 1, NULL, cfg_addr,
-					BUID_HI(buid), BUID_LO(buid));
-	} while (rtas_busy_delay(ret));
-	dev_info(&dev->dev,
-		"ibm,reset-pe-dma-windows(%x) %x %x %x returned %d\n",
-		 ddw_restore_token, cfg_addr, BUID_HI(buid), BUID_LO(buid), ret);
+	__restore_default_window(pci_dev_to_eeh_dev(dev), ddw_restore_token);
 }
 
 /*
@@ -1099,7 +1112,7 @@ out_free_prop:
 
 out_restore_window:
 	if (ddw_restore_token)
-		restore_default_window(dev, ddw_restore_token, liobn);
+		restore_default_window(dev, ddw_restore_token);
 
 out_unlock:
 	mutex_unlock(&direct_window_init_mutex);
@@ -1295,6 +1308,7 @@ static int iommu_reconfig_notifier(struct notifier_block *nb, unsigned long acti
 
 	switch (action) {
 	case OF_RECONFIG_DETACH_NODE:
+		remove_ddw(np);
 		if (pci && pci->iommu_table)
 			iommu_free_table(pci->iommu_table, np->full_name);
 
@@ -1307,16 +1321,6 @@ static int iommu_reconfig_notifier(struct notifier_block *nb, unsigned long acti
 			}
 		}
 		spin_unlock(&direct_window_list_lock);
-
-		/*
-		 * Because the notifier runs after isolation of the
-		 * slot, we are guaranteed any DMA window has already
-		 * been revoked and the TCEs have been marked invalid,
-		 * so we don't need a call to remove_ddw(np). However,
-		 * if an additional notifier action is added before the
-		 * isolate call, we should update this code for
-		 * completeness with such a call.
-		 */
 		break;
 	default:
 		err = NOTIFY_DONE;
diff --git a/arch/powerpc/platforms/pseries/pci.c b/arch/powerpc/platforms/pseries/pci.c
index 56b864d777ee..0b580f413a9a 100644
--- a/arch/powerpc/platforms/pseries/pci.c
+++ b/arch/powerpc/platforms/pseries/pci.c
@@ -40,7 +40,8 @@ void pcibios_name_device(struct pci_dev *dev)
 	 */
 	dn = pci_device_to_OF_node(dev);
 	if (dn) {
-		const char *loc_code = of_get_property(dn, "ibm,loc-code", 0);
+		const char *loc_code = of_get_property(dn, "ibm,loc-code",
+				NULL);
 		if (loc_code) {
 			int loc_len = strlen(loc_code);
 			if (loc_len < sizeof(dev->dev.name)) {
diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h
index e6cc34a67053..f368668d97b3 100644
--- a/arch/powerpc/platforms/pseries/plpar_wrappers.h
+++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h
@@ -2,6 +2,7 @@
 #define _PSERIES_PLPAR_WRAPPERS_H
 
 #include <linux/string.h>
+#include <linux/irqflags.h>
 
 #include <asm/hvcall.h>
 #include <asm/paca.h>
@@ -41,7 +42,14 @@ static inline long extended_cede_processor(unsigned long latency_hint)
 	u8 old_latency_hint = get_cede_latency_hint();
 
 	set_cede_latency_hint(latency_hint);
+
 	rc = cede_processor();
+#ifdef CONFIG_TRACE_IRQFLAGS
+		/* Ensure that H_CEDE returns with IRQs on */
+		if (WARN_ON(!(mfmsr() & MSR_EE)))
+			__hard_irq_enable();
+#endif
+
 	set_cede_latency_hint(old_latency_hint);
 
 	return rc;
@@ -304,4 +312,14 @@ static inline long disable_reloc_on_exceptions(void) {
 	return plpar_set_mode(0, 3, 0, 0);
 }
 
+static inline long plapr_set_ciabr(unsigned long ciabr)
+{
+	return plpar_set_mode(0, 1, ciabr, 0);
+}
+
+static inline long plapr_set_watchpoint0(unsigned long dawr0, unsigned long dawrx0)
+{
+	return plpar_set_mode(0, 2, dawr0, dawrx0);
+}
+
 #endif /* _PSERIES_PLPAR_WRAPPERS_H */
diff --git a/arch/powerpc/platforms/pseries/pseries_energy.c b/arch/powerpc/platforms/pseries/pseries_energy.c
index af281dce510a..a91e6dadda2c 100644
--- a/arch/powerpc/platforms/pseries/pseries_energy.c
+++ b/arch/powerpc/platforms/pseries/pseries_energy.c
@@ -21,6 +21,7 @@
 #include <asm/cputhreads.h>
 #include <asm/page.h>
 #include <asm/hvcall.h>
+#include <asm/firmware.h>
 
 
 #define MODULE_VERS "1.0"
@@ -32,40 +33,6 @@ static int sysfs_entries;
 
 /* Helper routines */
 
-/*
- * Routine to detect firmware support for hcall
- * return 1 if H_BEST_ENERGY is supported
- * else return 0
- */
-
-static int check_for_h_best_energy(void)
-{
-	struct device_node *rtas = NULL;
-	const char *hypertas, *s;
-	int length;
-	int rc = 0;
-
-	rtas = of_find_node_by_path("/rtas");
-	if (!rtas)
-		return 0;
-
-	hypertas = of_get_property(rtas, "ibm,hypertas-functions", &length);
-	if (!hypertas) {
-		of_node_put(rtas);
-		return 0;
-	}
-
-	/* hypertas will have list of strings with hcall names */
-	for (s = hypertas; s < hypertas + length; s += strlen(s) + 1) {
-		if (!strncmp("hcall-best-energy-1", s, 19)) {
-			rc = 1; /* Found the string */
-			break;
-		}
-	}
-	of_node_put(rtas);
-	return rc;
-}
-
 /* Helper Routines to convert between drc_index to cpu numbers */
 
 static u32 cpu_to_drc_index(int cpu)
@@ -262,7 +229,7 @@ static int __init pseries_energy_init(void)
 	int cpu, err;
 	struct device *cpu_dev;
 
-	if (!check_for_h_best_energy()) {
+	if (!firmware_has_feature(FW_FEATURE_BEST_ENERGY)) {
 		printk(KERN_INFO "Hypercall H_BEST_ENERGY not supported\n");
 		return 0;
 	}
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 527e12c9573b..8bcc9ca6682f 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -65,6 +65,7 @@
 #include <asm/smp.h>
 #include <asm/firmware.h>
 #include <asm/eeh.h>
+#include <asm/reg.h>
 
 #include "plpar_wrappers.h"
 #include "pseries.h"
@@ -375,7 +376,7 @@ static void pSeries_idle(void)
  * 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 pSeries_enable_reloc_on_exc(void)
 {
 	long rc;
 	unsigned int delay, total_delay = 0;
@@ -397,9 +398,9 @@ static int __init pSeries_enable_reloc_on_exc(void)
 		mdelay(delay);
 	}
 }
+EXPORT_SYMBOL(pSeries_enable_reloc_on_exc);
 
-#ifdef CONFIG_KEXEC
-static long pSeries_disable_reloc_on_exc(void)
+long pSeries_disable_reloc_on_exc(void)
 {
 	long rc;
 
@@ -410,7 +411,9 @@ static long pSeries_disable_reloc_on_exc(void)
 		mdelay(get_longbusy_msecs(rc));
 	}
 }
+EXPORT_SYMBOL(pSeries_disable_reloc_on_exc);
 
+#ifdef CONFIG_KEXEC
 static void pSeries_machine_kexec(struct kimage *image)
 {
 	long rc;
@@ -498,6 +501,14 @@ static int pseries_set_xdabr(unsigned long dabr, unsigned long dabrx)
 	return plpar_hcall_norets(H_SET_XDABR, dabr, dabrx);
 }
 
+static int pseries_set_dawr(unsigned long dawr, unsigned long dawrx)
+{
+	/* PAPR says we can't set HYP */
+	dawrx &= ~DAWRX_HYP;
+
+	return  plapr_set_watchpoint0(dawr, dawrx);
+}
+
 #define CMO_CHARACTERISTICS_TOKEN 44
 #define CMO_MAXLENGTH 1026
 
@@ -604,6 +615,9 @@ static void __init pSeries_init_early(void)
 	else if (firmware_has_feature(FW_FEATURE_DABR))
 		ppc_md.set_dabr = pseries_set_dabr;
 
+	if (firmware_has_feature(FW_FEATURE_SET_MODE))
+		ppc_md.set_dawr = pseries_set_dawr;
+
 	pSeries_cmo_feature_init();
 	iommu_init_early_pSeries();
 
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 80cd0be71e06..12bc8c3663ad 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -42,6 +42,7 @@
 #include <asm/vdso_datapage.h>
 #include <asm/cputhreads.h>
 #include <asm/xics.h>
+#include <asm/dbell.h>
 
 #include "plpar_wrappers.h"
 #include "pseries.h"
@@ -54,6 +55,11 @@
  */
 static cpumask_var_t of_spin_mask;
 
+/*
+ * If we multiplex IPI mechanisms, store the appropriate XICS IPI mechanism here
+ */
+static void  (*xics_cause_ipi)(int cpu, unsigned long data);
+
 /* Query where a cpu is now.  Return codes #defined in plpar_wrappers.h */
 int smp_query_cpu_stopped(unsigned int pcpu)
 {
@@ -137,6 +143,8 @@ static void smp_xics_setup_cpu(int cpu)
 {
 	if (cpu != boot_cpuid)
 		xics_setup_cpu();
+	if (cpu_has_feature(CPU_FTR_DBELL))
+		doorbell_setup_this_cpu();
 
 	if (firmware_has_feature(FW_FEATURE_SPLPAR))
 		vpa_init(cpu);
@@ -195,6 +203,27 @@ static int smp_pSeries_cpu_bootable(unsigned int nr)
 	return 1;
 }
 
+/* Only used on systems that support multiple IPI mechanisms */
+static void pSeries_cause_ipi_mux(int cpu, unsigned long data)
+{
+	if (cpumask_test_cpu(cpu, cpu_sibling_mask(smp_processor_id())))
+		doorbell_cause_ipi(cpu, data);
+	else
+		xics_cause_ipi(cpu, data);
+}
+
+static __init int pSeries_smp_probe(void)
+{
+	int ret = xics_smp_probe();
+
+	if (cpu_has_feature(CPU_FTR_DBELL)) {
+		xics_cause_ipi = smp_ops->cause_ipi;
+		smp_ops->cause_ipi = pSeries_cause_ipi_mux;
+	}
+
+	return ret;
+}
+
 static struct smp_ops_t pSeries_mpic_smp_ops = {
 	.message_pass	= smp_mpic_message_pass,
 	.probe		= smp_mpic_probe,
@@ -204,8 +233,8 @@ static struct smp_ops_t pSeries_mpic_smp_ops = {
 
 static struct smp_ops_t pSeries_xics_smp_ops = {
 	.message_pass	= NULL,	/* Use smp_muxed_ipi_message_pass */
-	.cause_ipi	= NULL,	/* Filled at runtime by xics_smp_probe() */
-	.probe		= xics_smp_probe,
+	.cause_ipi	= NULL,	/* Filled at runtime by pSeries_smp_probe() */
+	.probe		= pSeries_smp_probe,
 	.kick_cpu	= smp_pSeries_kick_cpu,
 	.setup_cpu	= smp_xics_setup_cpu,
 	.cpu_bootable	= smp_pSeries_cpu_bootable,
diff --git a/arch/powerpc/platforms/wsp/Makefile b/arch/powerpc/platforms/wsp/Makefile
index 56817ac98fc9..162fc60125a2 100644
--- a/arch/powerpc/platforms/wsp/Makefile
+++ b/arch/powerpc/platforms/wsp/Makefile
@@ -1,4 +1,4 @@
-ccflags-y			+= -mno-minimal-toc
+ccflags-y			+= $(NO_MINIMAL_TOC)
 
 obj-y				+= setup.o ics.o wsp.o
 obj-$(CONFIG_PPC_PSR2)		+= psr2.o