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

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (134 commits)
  powerpc/nvram: Enable use Generic NVRAM driver for different size chips
  powerpc/iseries: Fix oops reading from /proc/iSeries/mf/*/cmdline
  powerpc/ps3: Workaround for flash memory I/O error
  powerpc/booke: Don't set DABR on 64-bit BookE, use DAC1 instead
  powerpc/perf_counters: Reduce stack usage of power_check_constraints
  powerpc: Fix bug where perf_counters breaks oprofile
  powerpc/85xx: Fix SMP compile error and allow NULL for smp_ops
  powerpc/irq: Improve nanodoc
  powerpc: Fix some late PowerMac G5 with PCIe ATI graphics
  powerpc/fsl-booke: Use HW PTE format if CONFIG_PTE_64BIT
  powerpc/book3e: Add missing page sizes
  powerpc/pseries: Fix to handle slb resize across migration
  powerpc/powermac: Thermal control turns system off too eagerly
  powerpc/pci: Merge ppc32 and ppc64 versions of phb_scan()
  powerpc/405ex: support cuImage via included dtb
  powerpc/405ex: provide necessary fixup function to support cuImage
  powerpc/40x: Add support for the ESTeem 195E (PPC405EP) SBC
  powerpc/44x: Add Eiger AMCC (AppliedMicro) PPC460SX evaluation board support.
  powerpc/44x: Update Arches defconfig
  powerpc/44x: Update Arches dts
  ...

Fix up conflicts in drivers/char/agp/uninorth-agp.c

47 files changed, 579 insertions, 402 deletions

diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig
index a6e43cb6f82..ec64264f7a5 100644
--- a/arch/powerpc/platforms/40x/Kconfig
+++ b/arch/powerpc/platforms/40x/Kconfig
@@ -40,6 +40,16 @@ config HCU4
 	help
 	  This option enables support for the Nestal Maschinen HCU4 board.
 
+config HOTFOOT
+        bool "Hotfoot"
+	depends on 40x
+	default n
+	select 405EP
+	select PPC40x_SIMPLE
+	select PCI
+        help
+	 This option enables support for the ESTEEM 195E Hotfoot board.
+
 config KILAUEA
 	bool "Kilauea"
 	depends on 40x
diff --git a/arch/powerpc/platforms/40x/ppc40x_simple.c b/arch/powerpc/platforms/40x/ppc40x_simple.c
index 5fd5a597400..546bbc229d1 100644
--- a/arch/powerpc/platforms/40x/ppc40x_simple.c
+++ b/arch/powerpc/platforms/40x/ppc40x_simple.c
@@ -54,7 +54,8 @@ static char *board[] __initdata = {
 	"amcc,acadia",
 	"amcc,haleakala",
 	"amcc,kilauea",
-	"amcc,makalu"
+	"amcc,makalu",
+	"est,hotfoot"
 };
 
 static int __init ppc40x_probe(void)
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 90e3192611a..7486bffd3eb 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -129,6 +129,18 @@ config REDWOOD
 	help
 	  This option enables support for the AMCC PPC460SX Redwood board.
 
+config EIGER
+	bool "Eiger"
+	depends on 44x
+	default n
+	select PPC44x_SIMPLE
+	select 460SX
+	select PCI
+	select PPC4xx_PCI_EXPRESS
+	select IBM_NEW_EMAC_RGMII
+	help
+	  This option enables support for the AMCC PPC460SX evaluation board.
+
 config YOSEMITE
 	bool "Yosemite"
 	depends on 44x
diff --git a/arch/powerpc/platforms/44x/ppc44x_simple.c b/arch/powerpc/platforms/44x/ppc44x_simple.c
index 5bcd441885e..e8c23ccaa1f 100644
--- a/arch/powerpc/platforms/44x/ppc44x_simple.c
+++ b/arch/powerpc/platforms/44x/ppc44x_simple.c
@@ -55,6 +55,7 @@ static char *board[] __initdata = {
 	"amcc,canyonlands",
 	"amcc,glacier",
 	"ibm,ebony",
+	"amcc,eiger",
 	"amcc,katmai",
 	"amcc,rainier",
 	"amcc,redwood",
diff --git a/arch/powerpc/platforms/82xx/mgcoge.c b/arch/powerpc/platforms/82xx/mgcoge.c
index c2af169c1d1..7a5de9eb3c7 100644
--- a/arch/powerpc/platforms/82xx/mgcoge.c
+++ b/arch/powerpc/platforms/82xx/mgcoge.c
@@ -50,16 +50,63 @@ struct cpm_pin {
 static __initdata struct cpm_pin mgcoge_pins[] = {
 
 	/* SMC2 */
-	{1, 8, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
-	{1, 9, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{0, 8, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{0, 9, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
 
 	/* SCC4 */
-	{3, 25, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
-	{3, 24, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
-	{3,  9, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
-	{3,  8, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
-	{4, 22, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
-	{4, 21, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{2, 25, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{2, 24, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{2,  9, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{2,  8, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{3, 22, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{3, 21, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+
+	/* FCC1 */
+	{0, 14, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{0, 15, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{0, 16, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{0, 17, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{0, 18, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{0, 19, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{0, 20, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{0, 21, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{0, 26, CPM_PIN_INPUT | CPM_PIN_SECONDARY},
+	{0, 27, CPM_PIN_INPUT | CPM_PIN_SECONDARY},
+	{0, 28, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
+	{0, 29, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
+	{0, 30, CPM_PIN_INPUT | CPM_PIN_SECONDARY},
+	{0, 31, CPM_PIN_INPUT | CPM_PIN_SECONDARY},
+
+	{2, 22, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{2, 23, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+
+	/* FCC2 */
+	{1, 18, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 19, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 20, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 21, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 22, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{1, 23, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{1, 24, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{1, 25, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{1, 26, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 27, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 28, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 29, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
+	{1, 30, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 31, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+
+	{2, 18, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{2, 19, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+
+	/* MDC */
+	{0, 13, CPM_PIN_OUTPUT | CPM_PIN_GPIO},
+
+#if defined(CONFIG_I2C_CPM)
+	/* I2C */
+	{3, 14, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_OPENDRAIN},
+	{3, 15, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_OPENDRAIN},
+#endif
 };
 
 static void __init init_ioports(void)
@@ -68,12 +115,16 @@ static void __init init_ioports(void)
 
 	for (i = 0; i < ARRAY_SIZE(mgcoge_pins); i++) {
 		const struct cpm_pin *pin = &mgcoge_pins[i];
-		cpm2_set_pin(pin->port - 1, pin->pin, pin->flags);
+		cpm2_set_pin(pin->port, pin->pin, pin->flags);
 	}
 
 	cpm2_smc_clk_setup(CPM_CLK_SMC2, CPM_BRG8);
 	cpm2_clk_setup(CPM_CLK_SCC4, CPM_CLK7, CPM_CLK_RX);
 	cpm2_clk_setup(CPM_CLK_SCC4, CPM_CLK8, CPM_CLK_TX);
+	cpm2_clk_setup(CPM_CLK_FCC1, CPM_CLK10, CPM_CLK_RX);
+	cpm2_clk_setup(CPM_CLK_FCC1, CPM_CLK9,  CPM_CLK_TX);
+	cpm2_clk_setup(CPM_CLK_FCC2, CPM_CLK13, CPM_CLK_RX);
+	cpm2_clk_setup(CPM_CLK_FCC2, CPM_CLK14, CPM_CLK_TX);
 }
 
 static void __init mgcoge_setup_arch(void)
diff --git a/arch/powerpc/platforms/82xx/mpc8272_ads.c b/arch/powerpc/platforms/82xx/mpc8272_ads.c
index 8054c685d32..30394b409b3 100644
--- a/arch/powerpc/platforms/82xx/mpc8272_ads.c
+++ b/arch/powerpc/platforms/82xx/mpc8272_ads.c
@@ -29,7 +29,6 @@
 #include <sysdev/fsl_soc.h>
 #include <sysdev/cpm2_pic.h>
 
-#include "pq2ads.h"
 #include "pq2.h"
 
 static void __init mpc8272_ads_pic_init(void)
@@ -100,6 +99,15 @@ static struct cpm_pin mpc8272_ads_pins[] = {
 	/* I2C */
 	{3, 14, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_OPENDRAIN},
 	{3, 15, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_OPENDRAIN},
+
+	/* USB */
+	{2, 10, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{2, 11, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{2, 20, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{2, 24, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{3, 23, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{3, 24, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{3, 25, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
 };
 
 static void __init init_ioports(void)
@@ -113,6 +121,8 @@ static void __init init_ioports(void)
 
 	cpm2_clk_setup(CPM_CLK_SCC1, CPM_BRG1, CPM_CLK_RX);
 	cpm2_clk_setup(CPM_CLK_SCC1, CPM_BRG1, CPM_CLK_TX);
+	cpm2_clk_setup(CPM_CLK_SCC3, CPM_CLK8, CPM_CLK_RX);
+	cpm2_clk_setup(CPM_CLK_SCC3, CPM_CLK8, CPM_CLK_TX);
 	cpm2_clk_setup(CPM_CLK_SCC4, CPM_BRG4, CPM_CLK_RX);
 	cpm2_clk_setup(CPM_CLK_SCC4, CPM_BRG4, CPM_CLK_TX);
 	cpm2_clk_setup(CPM_CLK_FCC1, CPM_CLK11, CPM_CLK_RX);
@@ -144,12 +154,22 @@ static void __init mpc8272_ads_setup_arch(void)
 		return;
 	}
 
+#define BCSR1_FETHIEN		0x08000000
+#define BCSR1_FETH_RST		0x04000000
+#define BCSR1_RS232_EN1		0x02000000
+#define BCSR1_RS232_EN2		0x01000000
+#define BCSR3_USB_nEN		0x80000000
+#define BCSR3_FETHIEN2		0x10000000
+#define BCSR3_FETH2_RST		0x08000000
+
 	clrbits32(&bcsr[1], BCSR1_RS232_EN1 | BCSR1_RS232_EN2 | BCSR1_FETHIEN);
 	setbits32(&bcsr[1], BCSR1_FETH_RST);
 
 	clrbits32(&bcsr[3], BCSR3_FETHIEN2);
 	setbits32(&bcsr[3], BCSR3_FETH2_RST);
 
+	clrbits32(&bcsr[3], BCSR3_USB_nEN);
+
 	iounmap(bcsr);
 
 	init_ioports();
diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig
index 083ebee9a16..f49a2548c5f 100644
--- a/arch/powerpc/platforms/83xx/Kconfig
+++ b/arch/powerpc/platforms/83xx/Kconfig
@@ -75,11 +75,11 @@ config MPC837x_MDS
 	  This option enables support for the MPC837x MDS Processor Board.
 
 config MPC837x_RDB
-	bool "Freescale MPC837x RDB"
+	bool "Freescale MPC837x RDB/WLAN"
 	select DEFAULT_UIMAGE
 	select PPC_MPC837x
 	help
-	  This option enables support for the MPC837x RDB Board.
+	  This option enables support for the MPC837x RDB and WLAN Boards.
 
 config SBC834x
 	bool "Wind River SBC834x"
diff --git a/arch/powerpc/platforms/83xx/mpc837x_rdb.c b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
index 76f3b32a155..a1908d26124 100644
--- a/arch/powerpc/platforms/83xx/mpc837x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
@@ -17,10 +17,32 @@
 #include <asm/time.h>
 #include <asm/ipic.h>
 #include <asm/udbg.h>
+#include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
 
 #include "mpc83xx.h"
 
+static void mpc837x_rdb_sd_cfg(void)
+{
+	void __iomem *im;
+
+	im = ioremap(get_immrbase(), 0x1000);
+	if (!im) {
+		WARN_ON(1);
+		return;
+	}
+
+	/*
+	 * On RDB boards (in contrast to MDS) USBB pins are used for SD only,
+	 * so we can safely mux them away from the USB block.
+	 */
+	clrsetbits_be32(im + MPC83XX_SICRL_OFFS, MPC837X_SICRL_USBB_MASK,
+						 MPC837X_SICRL_SD);
+	clrsetbits_be32(im + MPC83XX_SICRH_OFFS, MPC837X_SICRH_SPI_MASK,
+						 MPC837X_SICRH_SD);
+	iounmap(im);
+}
+
 /* ************************************************************************
  *
  * Setup the architecture
@@ -42,6 +64,7 @@ static void __init mpc837x_rdb_setup_arch(void)
 		mpc83xx_add_bridge(np);
 #endif
 	mpc837x_usb_cfg();
+	mpc837x_rdb_sd_cfg();
 }
 
 static struct of_device_id mpc837x_ids[] = {
@@ -86,11 +109,12 @@ static int __init mpc837x_rdb_probe(void)
 
 	return of_flat_dt_is_compatible(root, "fsl,mpc8377rdb") ||
 	       of_flat_dt_is_compatible(root, "fsl,mpc8378rdb") ||
-	       of_flat_dt_is_compatible(root, "fsl,mpc8379rdb");
+	       of_flat_dt_is_compatible(root, "fsl,mpc8379rdb") ||
+	       of_flat_dt_is_compatible(root, "fsl,mpc8377wlan");
 }
 
 define_machine(mpc837x_rdb) {
-	.name			= "MPC837x RDB",
+	.name			= "MPC837x RDB/WLAN",
 	.probe			= mpc837x_rdb_probe,
 	.setup_arch		= mpc837x_rdb_setup_arch,
 	.init_IRQ		= mpc837x_rdb_init_IRQ,
diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h
index d1dc5b0b4fb..0fea8811d45 100644
--- a/arch/powerpc/platforms/83xx/mpc83xx.h
+++ b/arch/powerpc/platforms/83xx/mpc83xx.h
@@ -30,6 +30,8 @@
 #define MPC8315_SICRL_USB_ULPI     0x00000054
 #define MPC837X_SICRL_USB_MASK     0xf0000000
 #define MPC837X_SICRL_USB_ULPI     0x50000000
+#define MPC837X_SICRL_USBB_MASK    0x30000000
+#define MPC837X_SICRL_SD           0x20000000
 
 /* system i/o configuration register high */
 #define MPC83XX_SICRH_OFFS         0x118
@@ -38,6 +40,8 @@
 #define MPC831X_SICRH_USB_ULPI     0x000000a0
 #define MPC8315_SICRH_USB_MASK     0x0000ff00
 #define MPC8315_SICRH_USB_ULPI     0x00000000
+#define MPC837X_SICRH_SPI_MASK     0x00000003
+#define MPC837X_SICRH_SD           0x00000001
 
 /* USB Control Register */
 #define FSL_USB2_CONTROL_OFFS      0x500
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index a9b41668897..d3a975e8fd3 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -55,6 +55,15 @@ config MPC85xx_DS
 	help
 	  This option enables support for the MPC85xx DS (MPC8544 DS) board
 
+config MPC85xx_RDB
+	bool "Freescale MPC85xx RDB"
+	select PPC_I8259
+	select DEFAULT_UIMAGE
+	select FSL_ULI1575
+	select SWIOTLB
+	help
+	  This option enables support for the MPC85xx RDB (P2020 RDB) board
+
 config SOCRATES
 	bool "Socrates"
 	select DEFAULT_UIMAGE
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index 835733f2b12..9098aea0cf3 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -9,10 +9,11 @@ obj-$(CONFIG_MPC85xx_CDS) += mpc85xx_cds.o
 obj-$(CONFIG_MPC8536_DS)  += mpc8536_ds.o
 obj-$(CONFIG_MPC85xx_DS)  += mpc85xx_ds.o
 obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o
+obj-$(CONFIG_MPC85xx_RDB) += mpc85xx_rdb.o
 obj-$(CONFIG_STX_GP3)	  += stx_gp3.o
 obj-$(CONFIG_TQM85xx)	  += tqm85xx.o
 obj-$(CONFIG_SBC8560)     += sbc8560.o
 obj-$(CONFIG_SBC8548)     += sbc8548.o
 obj-$(CONFIG_SOCRATES)    += socrates.o socrates_fpga_pic.o
 obj-$(CONFIG_KSI8560)	  += ksi8560.o
-obj-$(CONFIG_XES_MPC85xx) += xes_mpc85xx.o
\ No newline at end of file
+obj-$(CONFIG_XES_MPC85xx) += xes_mpc85xx.o
diff --git a/arch/powerpc/platforms/85xx/mpc8536_ds.c b/arch/powerpc/platforms/85xx/mpc8536_ds.c
index 055ff417bae..004b7d36cdb 100644
--- a/arch/powerpc/platforms/85xx/mpc8536_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc8536_ds.c
@@ -96,7 +96,8 @@ static void __init mpc8536_ds_setup_arch(void)
 #ifdef CONFIG_SWIOTLB
 	if (lmb_end_of_DRAM() > max) {
 		ppc_swiotlb_enable = 1;
-		set_pci_dma_ops(&swiotlb_pci_dma_ops);
+		set_pci_dma_ops(&swiotlb_dma_ops);
+		ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb;
 	}
 #endif
 
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
index 849c0ac0025..544011a562f 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
@@ -192,7 +192,8 @@ static void __init mpc85xx_ds_setup_arch(void)
 #ifdef CONFIG_SWIOTLB
 	if (lmb_end_of_DRAM() > max) {
 		ppc_swiotlb_enable = 1;
-		set_pci_dma_ops(&swiotlb_pci_dma_ops);
+		set_pci_dma_ops(&swiotlb_dma_ops);
+		ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb;
 	}
 #endif
 
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index bfb32834ab0..3909d57b86e 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -47,6 +47,7 @@
 #include <asm/udbg.h>
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
+#include <sysdev/simple_gpio.h>
 #include <asm/qe.h>
 #include <asm/qe_ic.h>
 #include <asm/mpic.h>
@@ -254,7 +255,8 @@ static void __init mpc85xx_mds_setup_arch(void)
 #ifdef CONFIG_SWIOTLB
 	if (lmb_end_of_DRAM() > max) {
 		ppc_swiotlb_enable = 1;
-		set_pci_dma_ops(&swiotlb_pci_dma_ops);
+		set_pci_dma_ops(&swiotlb_dma_ops);
+		ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb;
 	}
 #endif
 }
@@ -304,6 +306,9 @@ static struct of_device_id mpc85xx_ids[] = {
 
 static int __init mpc85xx_publish_devices(void)
 {
+	if (machine_is(mpc8569_mds))
+		simple_gpiochip_init("fsl,mpc8569mds-bcsr-gpio");
+
 	/* Publish the QE devices */
 	of_platform_bus_probe(NULL, mpc85xx_ids, NULL);
 
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c
new file mode 100644
index 00000000000..c8468de4acf
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c
@@ -0,0 +1,141 @@
+/*
+ * MPC85xx RDB Board Setup
+ *
+ * Copyright 2009 Freescale Semiconductor Inc.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License 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/pci.h>
+#include <linux/kdev_t.h>
+#include <linux/delay.h>
+#include <linux/seq_file.h>
+#include <linux/interrupt.h>
+#include <linux/of_platform.h>
+
+#include <asm/system.h>
+#include <asm/time.h>
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <mm/mmu_decl.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <asm/mpic.h>
+
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+
+#undef DEBUG
+
+#ifdef DEBUG
+#define DBG(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args)
+#else
+#define DBG(fmt, args...)
+#endif
+
+
+void __init mpc85xx_rdb_pic_init(void)
+{
+	struct mpic *mpic;
+	struct resource r;
+	struct device_node *np;
+
+	np = of_find_node_by_type(NULL, "open-pic");
+	if (np == NULL) {
+		printk(KERN_ERR "Could not find open-pic node\n");
+		return;
+	}
+
+	if (of_address_to_resource(np, 0, &r)) {
+		printk(KERN_ERR "Failed to map mpic register space\n");
+		of_node_put(np);
+		return;
+	}
+
+	mpic = mpic_alloc(np, r.start,
+		  MPIC_PRIMARY | MPIC_WANTS_RESET |
+		  MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
+		  MPIC_SINGLE_DEST_CPU,
+		  0, 256, " OpenPIC  ");
+
+	BUG_ON(mpic == NULL);
+	of_node_put(np);
+
+	mpic_init(mpic);
+
+}
+
+/*
+ * Setup the architecture
+ */
+#ifdef CONFIG_SMP
+extern void __init mpc85xx_smp_init(void);
+#endif
+static void __init mpc85xx_rdb_setup_arch(void)
+{
+#ifdef CONFIG_PCI
+	struct device_node *np;
+#endif
+
+	if (ppc_md.progress)
+		ppc_md.progress("mpc85xx_rdb_setup_arch()", 0);
+
+#ifdef CONFIG_PCI
+	for_each_node_by_type(np, "pci") {
+		if (of_device_is_compatible(np, "fsl,mpc8548-pcie"))
+			fsl_add_bridge(np, 0);
+	}
+
+#endif
+
+#ifdef CONFIG_SMP
+	mpc85xx_smp_init();
+#endif
+
+	printk(KERN_INFO "MPC85xx RDB board from Freescale Semiconductor\n");
+}
+
+static struct of_device_id __initdata mpc85xxrdb_ids[] = {
+	{ .type = "soc", },
+	{ .compatible = "soc", },
+	{ .compatible = "simple-bus", },
+	{ .compatible = "gianfar", },
+	{},
+};
+
+static int __init mpc85xxrdb_publish_devices(void)
+{
+	return of_platform_bus_probe(NULL, mpc85xxrdb_ids, NULL);
+}
+machine_device_initcall(p2020_rdb, mpc85xxrdb_publish_devices);
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init p2020_rdb_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	if (of_flat_dt_is_compatible(root, "fsl,P2020RDB"))
+		return 1;
+	return 0;
+}
+
+define_machine(p2020_rdb) {
+	.name			= "P2020 RDB",
+	.probe			= p2020_rdb_probe,
+	.setup_arch		= mpc85xx_rdb_setup_arch,
+	.init_IRQ		= mpc85xx_rdb_pic_init,
+#ifdef CONFIG_PCI
+	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
+#endif
+	.get_irq		= mpic_get_irq,
+	.restart		= fsl_rstcr_restart,
+	.calibrate_decr		= generic_calibrate_decr,
+	.progress		= udbg_progress,
+};
diff --git a/arch/powerpc/platforms/85xx/sbc8560.c b/arch/powerpc/platforms/85xx/sbc8560.c
index cc27807a8b6..a5ad1c7794b 100644
--- a/arch/powerpc/platforms/85xx/sbc8560.c
+++ b/arch/powerpc/platforms/85xx/sbc8560.c
@@ -267,6 +267,43 @@ arch_initcall(sbc8560_rtc_init);
 
 #endif	/* M48T59 */
 
+static __u8 __iomem *brstcr;
+
+static int __init sbc8560_bdrstcr_init(void)
+{
+	struct device_node *np;
+	struct resource res;
+
+	np = of_find_compatible_node(NULL, NULL, "wrs,sbc8560-brstcr");
+	if (np == NULL) {
+		printk(KERN_WARNING "sbc8560: No board specific RSTCR in DTB.\n");
+		return -ENODEV;
+	}
+
+	of_address_to_resource(np, 0, &res);
+
+	printk(KERN_INFO "sbc8560: Found BRSTCR at i/o 0x%x\n", res.start);
+
+	brstcr = ioremap(res.start, res.end - res.start);
+	if(!brstcr)
+		printk(KERN_WARNING "sbc8560: ioremap of brstcr failed.\n");
+
+	of_node_put(np);
+
+	return 0;
+}
+
+arch_initcall(sbc8560_bdrstcr_init);
+
+void sbc8560_rstcr_restart(char * cmd)
+{
+	local_irq_disable();
+	if(brstcr)
+		clrbits8(brstcr, 0x80);
+
+	while(1);
+}
+
 define_machine(sbc8560) {
 	.name			= "SBC8560",
 	.probe			= sbc8560_probe,
@@ -274,7 +311,7 @@ define_machine(sbc8560) {
 	.init_IRQ		= sbc8560_pic_init,
 	.show_cpuinfo		= sbc8560_show_cpuinfo,
 	.get_irq		= mpic_get_irq,
-	.restart		= fsl_rstcr_restart,
+	.restart		= sbc8560_rstcr_restart,
 	.calibrate_decr		= generic_calibrate_decr,
 	.progress		= udbg_progress,
 };
diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c
index 62c592ede64..04160a4cc69 100644
--- a/arch/powerpc/platforms/85xx/smp.c
+++ b/arch/powerpc/platforms/85xx/smp.c
@@ -25,7 +25,6 @@
 
 #include <sysdev/fsl_soc.h>
 
-extern volatile unsigned long __secondary_hold_acknowledge;
 extern void __early_start(void);
 
 #define BOOT_ENTRY_ADDR_UPPER	0
@@ -80,46 +79,24 @@ smp_85xx_kick_cpu(int nr)
 }
 
 static void __init
-smp_85xx_basic_setup(int cpu_nr)
-{
-	/* Clear any pending timer interrupts */
-	mtspr(SPRN_TSR, TSR_ENW | TSR_WIS | TSR_DIS | TSR_FIS);
-
-	/* Enable decrementer interrupt */
-	mtspr(SPRN_TCR, TCR_DIE);
-}
-
-static void __init
 smp_85xx_setup_cpu(int cpu_nr)
 {
 	mpic_setup_this_cpu();
-
-	smp_85xx_basic_setup(cpu_nr);
 }
 
 struct smp_ops_t smp_85xx_ops = {
 	.kick_cpu = smp_85xx_kick_cpu,
 };
 
-static int __init smp_dummy_probe(void)
-{
-	return NR_CPUS;
-}
-
 void __init mpc85xx_smp_init(void)
 {
 	struct device_node *np;
 
-	smp_85xx_ops.message_pass = NULL;
-
 	np = of_find_node_by_type(NULL, "open-pic");
 	if (np) {
 		smp_85xx_ops.probe = smp_mpic_probe;
 		smp_85xx_ops.setup_cpu = smp_85xx_setup_cpu;
 		smp_85xx_ops.message_pass = smp_mpic_message_pass;
-	} else {
-		smp_85xx_ops.probe = smp_dummy_probe;
-		smp_85xx_ops.setup_cpu = smp_85xx_basic_setup;
 	}
 
 	if (cpu_has_feature(CPU_FTR_DBELL))
diff --git a/arch/powerpc/platforms/86xx/gef_ppc9a.c b/arch/powerpc/platforms/86xx/gef_ppc9a.c
index 2efa052975e..287f7bd17dd 100644
--- a/arch/powerpc/platforms/86xx/gef_ppc9a.c
+++ b/arch/powerpc/platforms/86xx/gef_ppc9a.c
@@ -102,8 +102,8 @@ static unsigned int gef_ppc9a_get_pcb_rev(void)
 {
 	unsigned int reg;
 
-	reg = ioread32(ppc9a_regs);
-	return (reg >> 8) & 0xff;
+	reg = ioread32be(ppc9a_regs);
+	return (reg >> 16) & 0xff;
 }
 
 /* Return the board (software) revision */
@@ -111,8 +111,8 @@ static unsigned int gef_ppc9a_get_board_rev(void)
 {
 	unsigned int reg;
 
-	reg = ioread32(ppc9a_regs);
-	return (reg >> 16) & 0xff;
+	reg = ioread32be(ppc9a_regs);
+	return (reg >> 8) & 0xff;
 }
 
 /* Return the FPGA revision */
@@ -120,8 +120,26 @@ static unsigned int gef_ppc9a_get_fpga_rev(void)
 {
 	unsigned int reg;
 
-	reg = ioread32(ppc9a_regs);
-	return (reg >> 24) & 0xf;
+	reg = ioread32be(ppc9a_regs);
+	return reg & 0xf;
+}
+
+/* Return VME Geographical Address */
+static unsigned int gef_ppc9a_get_vme_geo_addr(void)
+{
+	unsigned int reg;
+
+	reg = ioread32be(ppc9a_regs + 0x4);
+	return reg & 0x1f;
+}
+
+/* Return VME System Controller Status */
+static unsigned int gef_ppc9a_get_vme_is_syscon(void)
+{
+	unsigned int reg;
+
+	reg = ioread32be(ppc9a_regs + 0x4);
+	return (reg >> 9) & 0x1;
 }
 
 static void gef_ppc9a_show_cpuinfo(struct seq_file *m)
@@ -131,10 +149,15 @@ static void gef_ppc9a_show_cpuinfo(struct seq_file *m)
 	seq_printf(m, "Vendor\t\t: GE Fanuc Intelligent Platforms\n");
 
 	seq_printf(m, "Revision\t: %u%c\n", gef_ppc9a_get_pcb_rev(),
-		('A' + gef_ppc9a_get_board_rev() - 1));
+		('A' + gef_ppc9a_get_board_rev()));
 	seq_printf(m, "FPGA Revision\t: %u\n", gef_ppc9a_get_fpga_rev());
 
 	seq_printf(m, "SVR\t\t: 0x%x\n", svid);
+
+	seq_printf(m, "VME geo. addr\t: %u\n", gef_ppc9a_get_vme_geo_addr());
+
+	seq_printf(m, "VME syscon\t: %s\n",
+		gef_ppc9a_get_vme_is_syscon() ? "yes" : "no");
 }
 
 static void __init gef_ppc9a_nec_fixup(struct pci_dev *pdev)
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index 66327024a6a..2aa69a69bcc 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -105,7 +105,8 @@ mpc86xx_hpcn_setup_arch(void)
 #ifdef CONFIG_SWIOTLB
 	if (lmb_end_of_DRAM() > max) {
 		ppc_swiotlb_enable = 1;
-		set_pci_dma_ops(&swiotlb_pci_dma_ops);
+		set_pci_dma_ops(&swiotlb_dma_ops);
+		ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb;
 	}
 #endif
 }
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_smp.c b/arch/powerpc/platforms/86xx/mpc86xx_smp.c
index d84bbb508ee..eacea0e3fcc 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_smp.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_smp.c
@@ -27,7 +27,6 @@
 #include "mpc86xx.h"
 
 extern void __secondary_start_mpc86xx(void);
-extern unsigned long __secondary_hold_acknowledge;
 
 #define MCM_PORT_CONFIG_OFFSET	0x10
 
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 61187bec750..9efc8bda01b 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -57,15 +57,35 @@ config E200
 
 endchoice
 
-config PPC_BOOK3S_64
-	def_bool y
+choice
+	prompt "Processor Type"
 	depends on PPC64
+	help
+	  There are two families of 64 bit PowerPC chips supported.
+	  The most common ones are the desktop and server CPUs
+	  (POWER3, RS64, POWER4, POWER5, POWER5+, POWER6, ...)
+
+	  The other are the "embedded" processors compliant with the
+	  "Book 3E" variant of the architecture
+
+config PPC_BOOK3S_64
+	bool "Server processors"
 	select PPC_FPU
 
+config PPC_BOOK3E_64
+	bool "Embedded processors"
+	select PPC_FPU # Make it a choice ?
+
+endchoice
+
 config PPC_BOOK3S
 	def_bool y
 	depends on PPC_BOOK3S_32 || PPC_BOOK3S_64
 
+config PPC_BOOK3E
+	def_bool y
+	depends on PPC_BOOK3E_64
+
 config POWER4_ONLY
 	bool "Optimize for POWER4"
 	depends on PPC64 && PPC_BOOK3S
@@ -125,7 +145,7 @@ config 4xx
 
 config BOOKE
 	bool
-	depends on E200 || E500 || 44x
+	depends on E200 || E500 || 44x || PPC_BOOK3E
 	default y
 
 config FSL_BOOKE
@@ -223,9 +243,17 @@ config PPC_MMU_NOHASH
 	def_bool y
 	depends on !PPC_STD_MMU
 
+config PPC_MMU_NOHASH_32
+	def_bool y
+	depends on PPC_MMU_NOHASH && PPC32
+
+config PPC_MMU_NOHASH_64
+	def_bool y
+	depends on PPC_MMU_NOHASH && PPC64
+
 config PPC_BOOK3E_MMU
 	def_bool y
-	depends on FSL_BOOKE
+	depends on FSL_BOOKE || PPC_BOOK3E
 
 config PPC_MM_SLICES
 	bool
@@ -257,7 +285,7 @@ config PPC_PERF_CTRS
          This enables the powerpc-specific perf_counter back-end.
 
 config SMP
-	depends on PPC_STD_MMU || FSL_BOOKE
+	depends on PPC_BOOK3S || PPC_BOOK3E || FSL_BOOKE
 	bool "Symmetric multi-processing support"
 	---help---
 	  This enables support for systems with more than one CPU. If you have
diff --git a/arch/powerpc/platforms/amigaone/setup.c b/arch/powerpc/platforms/amigaone/setup.c
index 443035366c1..9290a7a442d 100644
--- a/arch/powerpc/platforms/amigaone/setup.c
+++ b/arch/powerpc/platforms/amigaone/setup.c
@@ -110,13 +110,16 @@ void __init amigaone_init_IRQ(void)
 	irq_set_default_host(i8259_get_host());
 }
 
-void __init amigaone_init(void)
+static int __init request_isa_regions(void)
 {
 	request_region(0x00, 0x20, "dma1");
 	request_region(0x40, 0x20, "timer");
 	request_region(0x80, 0x10, "dma page reg");
 	request_region(0xc0, 0x20, "dma2");
+
+	return 0;
 }
+machine_device_initcall(amigaone, request_isa_regions);
 
 void amigaone_restart(char *cmd)
 {
@@ -161,7 +164,6 @@ define_machine(amigaone) {
 	.name			= "AmigaOne",
 	.probe			= amigaone_probe,
 	.setup_arch		= amigaone_setup_arch,
-	.init			= amigaone_init,
 	.show_cpuinfo		= amigaone_show_cpuinfo,
 	.init_IRQ		= amigaone_init_IRQ,
 	.restart		= amigaone_restart,
diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig
index 50f17bdd3c1..48cd7d2e1b7 100644
--- a/arch/powerpc/platforms/cell/Kconfig
+++ b/arch/powerpc/platforms/cell/Kconfig
@@ -80,13 +80,6 @@ config SPU_FS_64K_LS
 	  uses 4K pages. This can improve performances of applications
 	  using multiple SPEs by lowering the TLB pressure on them.
 
-config SPU_TRACE
-	tristate "SPU event tracing support"
-	depends on SPU_FS && MARKERS
-	help
-	  This option allows reading a trace of spu-related events through
-	  the sputrace file in procfs.
-
 config SPU_BASE
 	bool
 	default n
diff --git a/arch/powerpc/platforms/cell/celleb_setup.c b/arch/powerpc/platforms/cell/celleb_setup.c
index 07c234f6b2b..e5384557977 100644
--- a/arch/powerpc/platforms/cell/celleb_setup.c
+++ b/arch/powerpc/platforms/cell/celleb_setup.c
@@ -80,8 +80,7 @@ static void celleb_show_cpuinfo(struct seq_file *m)
 
 static int __init celleb_machine_type_hack(char *ptr)
 {
-	strncpy(celleb_machine_type, ptr, sizeof(celleb_machine_type));
-	celleb_machine_type[sizeof(celleb_machine_type)-1] = 0;
+	strlcpy(celleb_machine_type, ptr, sizeof(celleb_machine_type));
 	return 0;
 }
 
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index 5b34fc211f3..416db17eb18 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -642,7 +642,7 @@ static int dma_fixed_dma_supported(struct device *dev, u64 mask)
 
 static int dma_set_mask_and_switch(struct device *dev, u64 dma_mask);
 
-struct dma_mapping_ops dma_iommu_fixed_ops = {
+struct dma_map_ops dma_iommu_fixed_ops = {
 	.alloc_coherent = dma_fixed_alloc_coherent,
 	.free_coherent  = dma_fixed_free_coherent,
 	.map_sg         = dma_fixed_map_sg,
diff --git a/arch/powerpc/platforms/cell/smp.c b/arch/powerpc/platforms/cell/smp.c
index bc97fada48c..f774530075b 100644
--- a/arch/powerpc/platforms/cell/smp.c
+++ b/arch/powerpc/platforms/cell/smp.c
@@ -58,8 +58,6 @@
  */
 static cpumask_t of_spin_map;
 
-extern void generic_secondary_smp_init(unsigned long);
-
 /**
  * smp_startup_cpu() - start the given cpu
  *
diff --git a/arch/powerpc/platforms/cell/spufs/Makefile b/arch/powerpc/platforms/cell/spufs/Makefile
index 99610a6361f..b93f877ba50 100644
--- a/arch/powerpc/platforms/cell/spufs/Makefile
+++ b/arch/powerpc/platforms/cell/spufs/Makefile
@@ -4,7 +4,8 @@ spufs-y += inode.o file.o context.o syscalls.o coredump.o
 spufs-y += sched.o backing_ops.o hw_ops.o run.o gang.o
 spufs-y += switch.o fault.o lscsa_alloc.o
 
-obj-$(CONFIG_SPU_TRACE)	+= sputrace.o
+# magic for the trace events
+CFLAGS_sched.o := -I$(src)
 
 # Rules to build switch.o with the help of SPU tool chain
 SPU_CROSS	:= spu-
diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c
index db5398c0339..0c87bcd2452 100644
--- a/arch/powerpc/platforms/cell/spufs/context.c
+++ b/arch/powerpc/platforms/cell/spufs/context.c
@@ -28,6 +28,7 @@
 #include <asm/spu.h>
 #include <asm/spu_csa.h>
 #include "spufs.h"
+#include "sputrace.h"
 
 
 atomic_t nr_spu_contexts = ATOMIC_INIT(0);
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index d6a519e6e1c..ab8aef9bb8e 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -38,6 +38,7 @@
 #include <asm/uaccess.h>
 
 #include "spufs.h"
+#include "sputrace.h"
 
 #define SPUFS_MMAP_4K (PAGE_SIZE == 0x1000)
 
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index f085369301b..bb5b77c66d0 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -47,6 +47,8 @@
 #include <asm/spu_csa.h>
 #include <asm/spu_priv1.h>
 #include "spufs.h"
+#define CREATE_TRACE_POINTS
+#include "sputrace.h"
 
 struct spu_prio_array {
 	DECLARE_BITMAP(bitmap, MAX_PRIO);
diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h
index ae31573bea4..c448bac6551 100644
--- a/arch/powerpc/platforms/cell/spufs/spufs.h
+++ b/arch/powerpc/platforms/cell/spufs/spufs.h
@@ -373,9 +373,4 @@ extern void spu_free_lscsa(struct spu_state *csa);
 extern void spuctx_switch_state(struct spu_context *ctx,
 		enum spu_utilization_state new_state);
 
-#define spu_context_trace(name, ctx, spu) \
-	trace_mark(name, "ctx %p spu %p", ctx, spu);
-#define spu_context_nospu_trace(name, ctx) \
-	trace_mark(name, "ctx %p", ctx);
-
 #endif
diff --git a/arch/powerpc/platforms/cell/spufs/sputrace.c b/arch/powerpc/platforms/cell/spufs/sputrace.c
deleted file mode 100644
index d0b1f3f4d9c..00000000000
--- a/arch/powerpc/platforms/cell/spufs/sputrace.c
+++ /dev/null
@@ -1,272 +0,0 @@
-/*
- * Copyright (C) 2007 IBM Deutschland Entwicklung GmbH
- *	Released under GPL v2.
- *
- * Partially based on net/ipv4/tcp_probe.c.
- *
- * Simple tracing facility for spu contexts.
- */
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/marker.h>
-#include <linux/proc_fs.h>
-#include <linux/wait.h>
-#include <asm/atomic.h>
-#include <asm/uaccess.h>
-#include "spufs.h"
-
-struct spu_probe {
-	const char *name;
-	const char *format;
-	marker_probe_func *probe_func;
-};
-
-struct sputrace {
-	ktime_t tstamp;
-	int owner_tid; /* owner */
-	int curr_tid;
-	const char *name;
-	int number;
-};
-
-static int bufsize __read_mostly = 16384;
-MODULE_PARM_DESC(bufsize, "Log buffer size (number of records)");
-module_param(bufsize, int, 0);
-
-
-static DEFINE_SPINLOCK(sputrace_lock);
-static DECLARE_WAIT_QUEUE_HEAD(sputrace_wait);
-static ktime_t sputrace_start;
-static unsigned long sputrace_head, sputrace_tail;
-static struct sputrace *sputrace_log;
-static int sputrace_logging;
-
-static int sputrace_used(void)
-{
-	return (sputrace_head - sputrace_tail) % bufsize;
-}
-
-static inline int sputrace_avail(void)
-{
-	return bufsize - sputrace_used();
-}
-
-static int sputrace_sprint(char *tbuf, int n)
-{
-	const struct sputrace *t = sputrace_log + sputrace_tail % bufsize;
-	struct timespec tv =
-		ktime_to_timespec(ktime_sub(t->tstamp, sputrace_start));
-
-	return snprintf(tbuf, n,
-		"[%lu.%09lu] %d: %s (ctxthread = %d, spu = %d)\n",
-		(unsigned long) tv.tv_sec,
-		(unsigned long) tv.tv_nsec,
-		t->curr_tid,
-		t->name,
-		t->owner_tid,
-		t->number);
-}
-
-static ssize_t sputrace_read(struct file *file, char __user *buf,
-		size_t len, loff_t *ppos)
-{
-	int error = 0, cnt = 0;
-
-	if (!buf || len < 0)
-		return -EINVAL;
-
-	while (cnt < len) {
-		char tbuf[128];
-		int width;
-
-		/* If we have data ready to return, don't block waiting
-		 * for more */
-		if (cnt > 0 && sputrace_used() == 0)
-			break;
-
-		error = wait_event_interruptible(sputrace_wait,
-						 sputrace_used() > 0);
-		if (error)
-			break;
-
-		spin_lock(&sputrace_lock);
-		if (sputrace_head == sputrace_tail) {
-			spin_unlock(&sputrace_lock);
-			continue;
-		}
-
-		width = sputrace_sprint(tbuf, sizeof(tbuf));
-		if (width < len)
-			sputrace_tail = (sputrace_tail + 1) % bufsize;
-		spin_unlock(&sputrace_lock);
-
-		if (width >= len)
-			break;
-
-		error = copy_to_user(buf + cnt, tbuf, width);
-		if (error)
-			break;
-		cnt += width;
-	}
-
-	return cnt == 0 ? error : cnt;
-}
-
-static int sputrace_open(struct inode *inode, struct file *file)
-{
-	int rc;
-
-	spin_lock(&sputrace_lock);
-	if (sputrace_logging) {
-		rc = -EBUSY;
-		goto out;
-	}
-
-	sputrace_logging = 1;
-	sputrace_head = sputrace_tail = 0;
-	sputrace_start = ktime_get();
-	rc = 0;
-
-out:
-	spin_unlock(&sputrace_lock);
-	return rc;
-}
-
-static int sputrace_release(struct inode *inode, struct file *file)
-{
-	spin_lock(&sputrace_lock);
-	sputrace_logging = 0;
-	spin_unlock(&sputrace_lock);
-	return 0;
-}
-
-static const struct file_operations sputrace_fops = {
-	.owner   = THIS_MODULE,
-	.open    = sputrace_open,
-	.read    = sputrace_read,
-	.release = sputrace_release,
-};
-
-static void sputrace_log_item(const char *name, struct spu_context *ctx,
-		struct spu *spu)
-{
-	spin_lock(&sputrace_lock);
-
-	if (!sputrace_logging) {
-		spin_unlock(&sputrace_lock);
-		return;
-	}
-
-	if (sputrace_avail() > 1) {
-		struct sputrace *t = sputrace_log + sputrace_head;
-
-		t->tstamp = ktime_get();
-		t->owner_tid = ctx->tid;
-		t->name = name;
-		t->curr_tid = current->pid;
-		t->number = spu ? spu->number : -1;
-
-		sputrace_head = (sputrace_head + 1) % bufsize;
-	} else {
-		printk(KERN_WARNING
-		       "sputrace: lost samples due to full buffer.\n");
-	}
-	spin_unlock(&sputrace_lock);
-
-	wake_up(&sputrace_wait);
-}
-
-static void spu_context_event(void *probe_private, void *call_data,
-		const char *format, va_list *args)
-{
-	struct spu_probe *p = probe_private;
-	struct spu_context *ctx;
-	struct spu *spu;
-
-	ctx = va_arg(*args, struct spu_context *);
-	spu = va_arg(*args, struct spu *);
-
-	sputrace_log_item(p->name, ctx, spu);
-}
-
-static void spu_context_nospu_event(void *probe_private, void *call_data,
-		const char *format, va_list *args)
-{
-	struct spu_probe *p = probe_private;
-	struct spu_context *ctx;
-
-	ctx = va_arg(*args, struct spu_context *);
-
-	sputrace_log_item(p->name, ctx, NULL);
-}
-
-struct spu_probe spu_probes[] = {
-	{ "spu_bind_context__enter", "ctx %p spu %p", spu_context_event },
-	{ "spu_unbind_context__enter", "ctx %p spu %p", spu_context_event },
-	{ "spu_get_idle__enter", "ctx %p", spu_context_nospu_event },
-	{ "spu_get_idle__found", "ctx %p spu %p", spu_context_event },
-	{ "spu_get_idle__not_found", "ctx %p", spu_context_nospu_event },
-	{ "spu_find_victim__enter", "ctx %p", spu_context_nospu_event },
-	{ "spusched_tick__preempt", "ctx %p spu %p", spu_context_event },
-	{ "spusched_tick__newslice", "ctx %p", spu_context_nospu_event },
-	{ "spu_yield__enter", "ctx %p", spu_context_nospu_event },
-	{ "spu_deactivate__enter", "ctx %p", spu_context_nospu_event },
-	{ "__spu_deactivate__unload", "ctx %p spu %p", spu_context_event },
-	{ "spufs_ps_fault__enter", "ctx %p", spu_context_nospu_event },
-	{ "spufs_ps_fault__sleep", "ctx %p", spu_context_nospu_event },
-	{ "spufs_ps_fault__wake", "ctx %p spu %p", spu_context_event },
-	{ "spufs_ps_fault__insert", "ctx %p spu %p", spu_context_event },
-	{ "spu_acquire_saved__enter", "ctx %p", spu_context_nospu_event },
-	{ "destroy_spu_context__enter", "ctx %p", spu_context_nospu_event },
-	{ "spufs_stop_callback__enter", "ctx %p spu %p", spu_context_event },
-};
-
-static int __init sputrace_init(void)
-{
-	struct proc_dir_entry *entry;
-	int i, error = -ENOMEM;
-
-	sputrace_log = kcalloc(bufsize, sizeof(struct sputrace), GFP_KERNEL);
-	if (!sputrace_log)
-		goto out;
-
-	entry = proc_create("sputrace", S_IRUSR, NULL, &sputrace_fops);
-	if (!entry)
-		goto out_free_log;
-
-	for (i = 0; i < ARRAY_SIZE(spu_probes); i++) {
-		struct spu_probe *p = &spu_probes[i];
-
-		error = marker_probe_register(p->name, p->format,
-					      p->probe_func, p);
-		if (error)
-			printk(KERN_INFO "Unable to register probe %s\n",
-					p->name);
-	}
-
-	return 0;
-
-out_free_log:
-	kfree(sputrace_log);
-out:
-	return -ENOMEM;
-}
-
-static void __exit sputrace_exit(void)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(spu_probes); i++)
-		marker_probe_unregister(spu_probes[i].name,
-			spu_probes[i].probe_func, &spu_probes[i]);
-
-	remove_proc_entry("sputrace", NULL);
-	kfree(sputrace_log);
-	marker_synchronize_unregister();
-}
-
-module_init(sputrace_init);
-module_exit(sputrace_exit);
-
-MODULE_LICENSE("GPL");
diff --git a/arch/powerpc/platforms/cell/spufs/sputrace.h b/arch/powerpc/platforms/cell/spufs/sputrace.h
new file mode 100644
index 00000000000..db2656aa410
--- /dev/null
+++ b/arch/powerpc/platforms/cell/spufs/sputrace.h
@@ -0,0 +1,39 @@
+#if !defined(_TRACE_SPUFS_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_SPUFS_H
+
+#include <linux/tracepoint.h>
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM spufs
+
+TRACE_EVENT(spufs_context,
+	TP_PROTO(struct spu_context *ctx, struct spu *spu, const char *name),
+	TP_ARGS(ctx, spu, name),
+
+	TP_STRUCT__entry(
+		__field(const char *, name)
+		__field(int, owner_tid)
+		__field(int, number)
+	),
+
+	TP_fast_assign(
+		__entry->name = name;
+		__entry->owner_tid = ctx->tid;
+		__entry->number = spu ? spu->number : -1;
+	),
+
+	TP_printk("%s (ctxthread = %d, spu = %d)",
+		__entry->name, __entry->owner_tid, __entry->number)
+);
+
+#define spu_context_trace(name, ctx, spu) \
+	trace_spufs_context(ctx, spu, __stringify(name))
+#define spu_context_nospu_trace(name, ctx) \
+	trace_spufs_context(ctx, NULL, __stringify(name))
+
+#endif /* _TRACE_SPUFS_H */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_FILE sputrace
+#include <trace/define_trace.h>
diff --git a/arch/powerpc/platforms/iseries/exception.S b/arch/powerpc/platforms/iseries/exception.S
index 2f581521eb9..5369653dcf6 100644
--- a/arch/powerpc/platforms/iseries/exception.S
+++ b/arch/powerpc/platforms/iseries/exception.S
@@ -47,7 +47,7 @@ system_reset_iSeries:
 	LOAD_REG_ADDR(r13, paca)
 	mulli	r0,r23,PACA_SIZE
 	add	r13,r13,r0
-	mtspr	SPRN_SPRG3,r13		/* Save it away for the future */
+	mtspr	SPRN_SPRG_PACA,r13	/* Save it away for the future */
 	mfmsr	r24
 	ori	r24,r24,MSR_RI
 	mtmsrd	r24			/* RI on */
@@ -116,7 +116,7 @@ iSeries_secondary_smp_loop:
 #endif /* CONFIG_SMP */
 	li	r0,-1			/* r0=-1 indicates a Hypervisor call */
 	sc				/* Invoke the hypervisor via a system call */
-	mfspr	r13,SPRN_SPRG3		/* Put r13 back ???? */
+	mfspr	r13,SPRN_SPRG_PACA	/* Put r13 back ???? */
 	b	2b			/* If SMP not configured, secondaries
 					 * loop forever */
 
@@ -126,34 +126,45 @@ iSeries_secondary_smp_loop:
 
 	.globl data_access_iSeries
 data_access_iSeries:
-	mtspr	SPRN_SPRG1,r13
+	mtspr	SPRN_SPRG_SCRATCH0,r13
 BEGIN_FTR_SECTION
-	mtspr	SPRN_SPRG2,r12
-	mfspr	r13,SPRN_DAR
-	mfspr	r12,SPRN_DSISR
-	srdi	r13,r13,60
-	rlwimi	r13,r12,16,0x20
-	mfcr	r12
-	cmpwi	r13,0x2c
+	mfspr	r13,SPRN_SPRG_PACA
+	std	r9,PACA_EXSLB+EX_R9(r13)
+	std	r10,PACA_EXSLB+EX_R10(r13)
+	mfspr	r10,SPRN_DAR
+	mfspr	r9,SPRN_DSISR
+	srdi	r10,r10,60
+	rlwimi	r10,r9,16,0x20
+	mfcr	r9
+	cmpwi	r10,0x2c
 	beq	.do_stab_bolted_iSeries
-	mtcrf	0x80,r12
-	mfspr	r12,SPRN_SPRG2
-END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
+	ld	r10,PACA_EXSLB+EX_R10(r13)
+	std	r11,PACA_EXGEN+EX_R11(r13)
+	ld	r11,PACA_EXSLB+EX_R9(r13)
+	std	r12,PACA_EXGEN+EX_R12(r13)
+	mfspr	r12,SPRN_SPRG_SCRATCH0
+	std	r10,PACA_EXGEN+EX_R10(r13)
+	std	r11,PACA_EXGEN+EX_R9(r13)
+	std	r12,PACA_EXGEN+EX_R13(r13)
+	EXCEPTION_PROLOG_ISERIES_1
+FTR_SECTION_ELSE
 	EXCEPTION_PROLOG_1(PACA_EXGEN)
 	EXCEPTION_PROLOG_ISERIES_1
+ALT_FTR_SECTION_END_IFCLR(CPU_FTR_SLB)
 	b	data_access_common
 
 .do_stab_bolted_iSeries:
-	mtcrf	0x80,r12
-	mfspr	r12,SPRN_SPRG2
-	EXCEPTION_PROLOG_1(PACA_EXSLB)
+	std	r11,PACA_EXSLB+EX_R11(r13)
+	std	r12,PACA_EXSLB+EX_R12(r13)
+	mfspr	r10,SPRN_SPRG_SCRATCH0
+	std	r10,PACA_EXSLB+EX_R13(r13)
 	EXCEPTION_PROLOG_ISERIES_1
 	b	.do_stab_bolted
 
 	.globl	data_access_slb_iSeries
 data_access_slb_iSeries:
-	mtspr	SPRN_SPRG1,r13		/* save r13 */
-	mfspr	r13,SPRN_SPRG3		/* get paca address into r13 */
+	mtspr	SPRN_SPRG_SCRATCH0,r13	/* save r13 */
+	mfspr	r13,SPRN_SPRG_PACA	/* get paca address into r13 */
 	std	r3,PACA_EXSLB+EX_R3(r13)
 	mfspr	r3,SPRN_DAR
 	std	r9,PACA_EXSLB+EX_R9(r13)
@@ -165,7 +176,7 @@ data_access_slb_iSeries:
 	std	r10,PACA_EXSLB+EX_R10(r13)
 	std	r11,PACA_EXSLB+EX_R11(r13)
 	std	r12,PACA_EXSLB+EX_R12(r13)
-	mfspr	r10,SPRN_SPRG1
+	mfspr	r10,SPRN_SPRG_SCRATCH0
 	std	r10,PACA_EXSLB+EX_R13(r13)
 	ld	r12,PACALPPACAPTR(r13)
 	ld	r12,LPPACASRR1(r12)
@@ -175,8 +186,8 @@ data_access_slb_iSeries:
 
 	.globl	instruction_access_slb_iSeries
 instruction_access_slb_iSeries:
-	mtspr	SPRN_SPRG1,r13		/* save r13 */
-	mfspr	r13,SPRN_SPRG3		/* get paca address into r13 */
+	mtspr	SPRN_SPRG_SCRATCH0,r13	/* save r13 */
+	mfspr	r13,SPRN_SPRG_PACA	/* get paca address into r13 */
 	std	r3,PACA_EXSLB+EX_R3(r13)
 	ld	r3,PACALPPACAPTR(r13)
 	ld	r3,LPPACASRR0(r3)	/* get SRR0 value */
@@ -189,7 +200,7 @@ instruction_access_slb_iSeries:
 	std	r10,PACA_EXSLB+EX_R10(r13)
 	std	r11,PACA_EXSLB+EX_R11(r13)
 	std	r12,PACA_EXSLB+EX_R12(r13)
-	mfspr	r10,SPRN_SPRG1
+	mfspr	r10,SPRN_SPRG_SCRATCH0
 	std	r10,PACA_EXSLB+EX_R13(r13)
 	ld	r12,PACALPPACAPTR(r13)
 	ld	r12,LPPACASRR1(r12)
@@ -200,7 +211,7 @@ slb_miss_user_iseries:
 	std	r10,PACA_EXGEN+EX_R10(r13)
 	std	r11,PACA_EXGEN+EX_R11(r13)
 	std	r12,PACA_EXGEN+EX_R12(r13)
-	mfspr	r10,SPRG1
+	mfspr	r10,SPRG_SCRATCH0
 	ld	r11,PACA_EXSLB+EX_R9(r13)
 	ld	r12,PACA_EXSLB+EX_R3(r13)
 	std	r10,PACA_EXGEN+EX_R13(r13)
@@ -221,7 +232,7 @@ slb_miss_user_iseries:
 	.globl	system_call_iSeries
 system_call_iSeries:
 	mr	r9,r13
-	mfspr	r13,SPRN_SPRG3
+	mfspr	r13,SPRN_SPRG_PACA
 	EXCEPTION_PROLOG_ISERIES_1
 	b	system_call_common
 
diff --git a/arch/powerpc/platforms/iseries/exception.h b/arch/powerpc/platforms/iseries/exception.h
index ced45a8fa1a..bae3fba5ad8 100644
--- a/arch/powerpc/platforms/iseries/exception.h
+++ b/arch/powerpc/platforms/iseries/exception.h
@@ -24,7 +24,7 @@
  *  as published by the Free Software Foundation; either version
  *  2 of the License, or (at your option) any later version.
  */
-#include <asm/exception.h>
+#include <asm/exception-64s.h>
 
 #define EXCEPTION_PROLOG_ISERIES_1					\
 	mfmsr	r10;							\
@@ -38,7 +38,7 @@
 	.globl label##_iSeries;						\
 label##_iSeries:							\
 	HMT_MEDIUM;							\
-	mtspr	SPRN_SPRG1,r13;		/* save r13 */			\
+	mtspr	SPRN_SPRG_SCRATCH0,r13;	/* save r13 */			\
 	EXCEPTION_PROLOG_1(area);					\
 	EXCEPTION_PROLOG_ISERIES_1;					\
 	b	label##_common
@@ -47,7 +47,7 @@ label##_iSeries:							\
 	.globl label##_iSeries;						\
 label##_iSeries:							\
 	HMT_MEDIUM;							\
-	mtspr	SPRN_SPRG1,r13;		/* save r13 */			\
+	mtspr	SPRN_SPRG_SCRATCH0,r13;	/* save r13 */			\
 	EXCEPTION_PROLOG_1(PACA_EXGEN);					\
 	lbz	r10,PACASOFTIRQEN(r13);					\
 	cmpwi	0,r10,0;						\
diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c
index fef4d515051..0d9343df35b 100644
--- a/arch/powerpc/platforms/iseries/mf.c
+++ b/arch/powerpc/platforms/iseries/mf.c
@@ -872,7 +872,7 @@ static int proc_mf_dump_cmdline(char *page, char **start, off_t off,
 		count = 256 - off;
 
 	dma_addr = iseries_hv_map(page, off + count, DMA_FROM_DEVICE);
-	if (dma_mapping_error(NULL, dma_addr))
+	if (dma_addr == DMA_ERROR_CODE)
 		return -ENOMEM;
 	memset(page, 0, off + count);
 	memset(&vsp_cmd, 0, sizeof(vsp_cmd));
diff --git a/arch/powerpc/platforms/pasemi/idle.c b/arch/powerpc/platforms/pasemi/idle.c
index 43911d8b020..75b296bc51a 100644
--- a/arch/powerpc/platforms/pasemi/idle.c
+++ b/arch/powerpc/platforms/pasemi/idle.c
@@ -90,7 +90,7 @@ machine_late_initcall(pasemi, pasemi_idle_init);
 static int __init idle_param(char *p)
 {
 	int i;
-	for (i = 0; i < sizeof(modes)/sizeof(struct sleep_mode); i++) {
+	for (i = 0; i < ARRAY_SIZE(modes); i++) {
 		if (!strcmp(modes[i].name, p)) {
 			current_mode = i;
 			break;
diff --git a/arch/powerpc/platforms/powermac/cpufreq_32.c b/arch/powerpc/platforms/powermac/cpufreq_32.c
index 65c585b8b00..08d94e4cedd 100644
--- a/arch/powerpc/platforms/powermac/cpufreq_32.c
+++ b/arch/powerpc/platforms/powermac/cpufreq_32.c
@@ -44,14 +44,6 @@
  */
 #undef DEBUG_FREQ
 
-/*
- * There is a problem with the core cpufreq code on SMP kernels,
- * it won't recalculate the Bogomips properly
- */
-#ifdef CONFIG_SMP
-#warning "WARNING, CPUFREQ not recommended on SMP kernels"
-#endif
-
 extern void low_choose_7447a_dfs(int dfs);
 extern void low_choose_750fx_pll(int pll);
 extern void low_sleep_handler(void);
diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c
index e6c0040ee79..fbc9bbd74db 100644
--- a/arch/powerpc/platforms/powermac/feature.c
+++ b/arch/powerpc/platforms/powermac/feature.c
@@ -2419,13 +2419,13 @@ static int __init probe_motherboard(void)
 	dt = of_find_node_by_name(NULL, "device-tree");
 	if (dt != NULL)
 		model = of_get_property(dt, "model", NULL);
-	for(i=0; model && i<(sizeof(pmac_mb_defs)/sizeof(struct pmac_mb_def)); i++) {
+	for(i=0; model && i<ARRAY_SIZE(pmac_mb_defs); i++) {
 	    if (strcmp(model, pmac_mb_defs[i].model_string) == 0) {
 		pmac_mb = pmac_mb_defs[i];
 		goto found;
 	    }
 	}
-	for(i=0; i<(sizeof(pmac_mb_defs)/sizeof(struct pmac_mb_def)); i++) {
+	for(i=0; i<ARRAY_SIZE(pmac_mb_defs); i++) {
 	    if (machine_is_compatible(pmac_mb_defs[i].model_string)) {
 		pmac_mb = pmac_mb_defs[i];
 		goto found;
@@ -2589,9 +2589,16 @@ static void __init probe_uninorth(void)
 	if (address == 0)
 		return;
 	uninorth_base = ioremap(address, 0x40000);
+	if (uninorth_base == NULL)
+		return;
 	uninorth_rev = in_be32(UN_REG(UNI_N_VERSION));
-	if (uninorth_maj == 3 || uninorth_maj == 4)
+	if (uninorth_maj == 3 || uninorth_maj == 4) {
 		u3_ht_base = ioremap(address + U3_HT_CONFIG_BASE, 0x1000);
+		if (u3_ht_base == NULL) {
+			iounmap(uninorth_base);
+			return;
+		}
+	}
 
 	printk(KERN_INFO "Found %s memory controller & host bridge"
 	       " @ 0x%08x revision: 0x%02x\n", uninorth_maj == 3 ? "U3" :
diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c
index 04cdd32624d..e81403b245b 100644
--- a/arch/powerpc/platforms/powermac/pci.c
+++ b/arch/powerpc/platforms/powermac/pci.c
@@ -1286,3 +1286,64 @@ static void fixup_k2_sata(struct pci_dev* dev)
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SERVERWORKS, 0x0240, fixup_k2_sata);
 
+/*
+ * On U4 (aka CPC945) the PCIe root complex "P2P" bridge resource ranges aren't
+ * configured by the firmware. The bridge itself seems to ignore them but it
+ * causes problems with Linux which then re-assigns devices below the bridge,
+ * thus changing addresses of those devices from what was in the device-tree,
+ * which sucks when those are video cards using offb
+ *
+ * We could just mark it transparent but I prefer fixing up the resources to
+ * properly show what's going on here, as I have some doubts about having them
+ * badly configured potentially being an issue for DMA.
+ *
+ * We leave PIO alone, it seems to be fine
+ *
+ * Oh and there's another funny bug. The OF properties advertize the region
+ * 0xf1000000..0xf1ffffff as being forwarded as memory space. But that's
+ * actually not true, this region is the memory mapped config space. So we
+ * also need to filter it out or we'll map things in the wrong place.
+ */
+static void fixup_u4_pcie(struct pci_dev* dev)
+{
+	struct pci_controller *host = pci_bus_to_host(dev->bus);
+	struct resource *region = NULL;
+	u32 reg;
+	int i;
+
+	/* Only do that on PowerMac */
+	if (!machine_is(powermac))
+		return;
+
+	/* Find the largest MMIO region */
+	for (i = 0; i < 3; i++) {
+		struct resource *r = &host->mem_resources[i];
+		if (!(r->flags & IORESOURCE_MEM))
+			continue;
+		/* Skip the 0xf0xxxxxx..f2xxxxxx regions, we know they
+		 * are reserved by HW for other things
+		 */
+		if (r->start >= 0xf0000000 && r->start < 0xf3000000)
+			continue;
+		if (!region || (r->end - r->start) >
+		    (region->end - region->start))
+			region = r;
+	}
+	/* Nothing found, bail */
+	if (region == 0)
+		return;
+
+	/* Print things out */
+	printk(KERN_INFO "PCI: Fixup U4 PCIe bridge range: %pR\n", region);
+
+	/* Fixup bridge config space. We know it's a Mac, resource aren't
+	 * offset so let's just blast them as-is. We also know that they
+	 * fit in 32 bits
+	 */
+	reg = ((region->start >> 16) & 0xfff0) | (region->end & 0xfff00000);
+	pci_write_config_dword(dev, PCI_MEMORY_BASE, reg);
+	pci_write_config_dword(dev, PCI_PREF_BASE_UPPER32, 0);
+	pci_write_config_dword(dev, PCI_PREF_LIMIT_UPPER32, 0);
+	pci_write_config_dword(dev, PCI_PREF_MEMORY_BASE, 0);
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_U4_PCIE, fixup_u4_pcie);
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index 6d4da7b46b4..937a38e7317 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -408,7 +408,7 @@ static void __init smp_psurge_setup_cpu(int cpu_nr)
 	/* reset the entry point so if we get another intr we won't
 	 * try to startup again */
 	out_be32(psurge_start, 0x100);
-	if (setup_irq(30, &psurge_irqaction))
+	if (setup_irq(irq_create_mapping(NULL, 30), &psurge_irqaction))
 		printk(KERN_ERR "Couldn't get primary IPI interrupt");
 }
 
diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
index 846eb8b57fd..189a25b8073 100644
--- a/arch/powerpc/platforms/ps3/mm.c
+++ b/arch/powerpc/platforms/ps3/mm.c
@@ -23,8 +23,8 @@
 #include <linux/memory_hotplug.h>
 #include <linux/lmb.h>
 
+#include <asm/cell-regs.h>
 #include <asm/firmware.h>
-#include <asm/iommu.h>
 #include <asm/prom.h>
 #include <asm/udbg.h>
 #include <asm/lv1call.h>
diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c
index 3f763c5284a..e34b305a7a5 100644
--- a/arch/powerpc/platforms/ps3/system-bus.c
+++ b/arch/powerpc/platforms/ps3/system-bus.c
@@ -27,7 +27,7 @@
 #include <asm/udbg.h>
 #include <asm/lv1call.h>
 #include <asm/firmware.h>
-#include <asm/iommu.h>
+#include <asm/cell-regs.h>
 
 #include "platform.h"
 
@@ -694,7 +694,7 @@ static int ps3_dma_supported(struct device *_dev, u64 mask)
 	return mask >= DMA_BIT_MASK(32);
 }
 
-static struct dma_mapping_ops ps3_sb_dma_ops = {
+static struct dma_map_ops ps3_sb_dma_ops = {
 	.alloc_coherent = ps3_alloc_coherent,
 	.free_coherent = ps3_free_coherent,
 	.map_sg = ps3_sb_map_sg,
@@ -704,7 +704,7 @@ static struct dma_mapping_ops ps3_sb_dma_ops = {
 	.unmap_page = ps3_unmap_page,
 };
 
-static struct dma_mapping_ops ps3_ioc0_dma_ops = {
+static struct dma_map_ops ps3_ioc0_dma_ops = {
 	.alloc_coherent = ps3_alloc_coherent,
 	.free_coherent = ps3_free_coherent,
 	.map_sg = ps3_ioc0_map_sg,
diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c
index ad152a0e394..b6fa3e4b51b 100644
--- a/arch/powerpc/platforms/pseries/pci_dlpar.c
+++ b/arch/powerpc/platforms/pseries/pci_dlpar.c
@@ -151,7 +151,7 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn)
 	if (dn->child)
 		eeh_add_device_tree_early(dn);
 
-	scan_phb(phb);
+	pcibios_scan_phb(phb, dn);
 	pcibios_finish_adding_to_bus(phb->bus);
 
 	return phb;
diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c
index b6f1b137d42..2e2bbe120b9 100644
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -20,6 +20,7 @@
 #include <asm/machdep.h>
 #include <asm/uaccess.h>
 #include <asm/pSeries_reconfig.h>
+#include <asm/mmu.h>
 
 
 
@@ -439,9 +440,15 @@ static int do_update_property(char *buf, size_t bufsize)
 	if (!newprop)
 		return -ENOMEM;
 
+	if (!strcmp(name, "slb-size") || !strcmp(name, "ibm,slb-size"))
+		slb_set_size(*(int *)value);
+
 	oldprop = of_find_property(np, name,NULL);
-	if (!oldprop)
+	if (!oldprop) {
+		if (strlen(name))
+			return prom_add_property(np, newprop);
 		return -ENODEV;
+	}
 
 	rc = prom_update_property(np, newprop, oldprop);
 	if (rc)
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 8d75ea21296..ca5f2e10972 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -223,10 +223,6 @@ static void pseries_lpar_enable_pmcs(void)
 	set = 1UL << 63;
 	reset = 0;
 	plpar_hcall_norets(H_PERFMON, set, reset);
-
-	/* instruct hypervisor to maintain PMCs */
-	if (firmware_has_feature(FW_FEATURE_SPLPAR))
-		get_lppaca()->pmcregs_in_use = 1;
 }
 
 static void __init pseries_discover_pic(void)
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 1f8f6cfb94f..440000cc713 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -56,8 +56,6 @@
  */
 static cpumask_t of_spin_map;
 
-extern void generic_secondary_smp_init(unsigned long);
-
 /**
  * smp_startup_cpu() - start the given cpu
  *