42 files changed, 340 insertions, 337 deletions

diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig
index f39c953d5353..a6e43cb6f825 100644
--- a/arch/powerpc/platforms/40x/Kconfig
+++ b/arch/powerpc/platforms/40x/Kconfig
@@ -45,6 +45,7 @@ config KILAUEA
         depends on 40x
         default n
         select 405EX
+        select PPC40x_SIMPLE
         select PPC4xx_PCI_EXPRESS
         help
           This option enables support for the AMCC PPC405EX evaluation board.
@@ -56,6 +57,7 @@ config MAKALU
         select 405EX
         select PCI
         select PPC4xx_PCI_EXPRESS
+        select PPC40x_SIMPLE
         help
           This option enables support for the AMCC PPC405EX board.
 
diff --git a/arch/powerpc/platforms/40x/Makefile b/arch/powerpc/platforms/40x/Makefile
index 9bab76a652a6..56e89004c468 100644
--- a/arch/powerpc/platforms/40x/Makefile
+++ b/arch/powerpc/platforms/40x/Makefile
@@ -1,6 +1,4 @@
-obj-$(CONFIG_KILAUEA)                           += kilauea.o
 obj-$(CONFIG_HCU4)                              += hcu4.o
-obj-$(CONFIG_MAKALU)                            += makalu.o
 obj-$(CONFIG_WALNUT)                            += walnut.o
 obj-$(CONFIG_XILINX_VIRTEX_GENERIC_BOARD)       += virtex.o
 obj-$(CONFIG_EP405)                             += ep405.o
diff --git a/arch/powerpc/platforms/40x/kilauea.c b/arch/powerpc/platforms/40x/kilauea.c
deleted file mode 100644
index fd7d934dac8b..000000000000
--- a/arch/powerpc/platforms/40x/kilauea.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Kilauea board specific routines
- *
- * Copyright 2007-2008 DENX Software Engineering, Stefan Roese <sr@denx.de>
- *
- * Based on the Walnut code by
- * Josh Boyer <jwboyer@linux.vnet.ibm.com>
- * Copyright 2007 IBM Corporation
- *
- * 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/init.h>
-#include <linux/of_platform.h>
-#include <asm/machdep.h>
-#include <asm/prom.h>
-#include <asm/udbg.h>
-#include <asm/time.h>
-#include <asm/uic.h>
-#include <asm/pci-bridge.h>
-#include <asm/ppc4xx.h>
-
-static __initdata struct of_device_id kilauea_of_bus[] = {
-        { .compatible = "ibm,plb4", },
-        { .compatible = "ibm,opb", },
-        { .compatible = "ibm,ebc", },
-        {},
-};
-
-static int __init kilauea_device_probe(void)
-{
-        of_platform_bus_probe(NULL, kilauea_of_bus, NULL);
-
-        return 0;
-}
-machine_device_initcall(kilauea, kilauea_device_probe);
-
-static int __init kilauea_probe(void)
-{
-        unsigned long root = of_get_flat_dt_root();
-
-        if (!of_flat_dt_is_compatible(root, "amcc,kilauea"))
-                return 0;
-
-        ppc_pci_set_flags(PPC_PCI_REASSIGN_ALL_RSRC);
-
-        return 1;
-}
-
-define_machine(kilauea) {
-        .name                           = "Kilauea",
-        .probe                          = kilauea_probe,
-        .progress                       = udbg_progress,
-        .init_IRQ                       = uic_init_tree,
-        .get_irq                        = uic_get_irq,
-        .restart                        = ppc4xx_reset_system,
-        .calibrate_decr                 = generic_calibrate_decr,
-};
diff --git a/arch/powerpc/platforms/40x/makalu.c b/arch/powerpc/platforms/40x/makalu.c
deleted file mode 100644
index a6a1d6017b71..000000000000
--- a/arch/powerpc/platforms/40x/makalu.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Makalu board specific routines
- *
- * Copyright 2007 DENX Software Engineering, Stefan Roese <sr@denx.de>
- *
- * Based on the Walnut code by
- * Josh Boyer <jwboyer@linux.vnet.ibm.com>
- * Copyright 2007 IBM Corporation
- *
- * 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/init.h>
-#include <linux/of_platform.h>
-#include <asm/machdep.h>
-#include <asm/prom.h>
-#include <asm/udbg.h>
-#include <asm/time.h>
-#include <asm/uic.h>
-#include <asm/pci-bridge.h>
-#include <asm/ppc4xx.h>
-
-static __initdata struct of_device_id makalu_of_bus[] = {
-        { .compatible = "ibm,plb4", },
-        { .compatible = "ibm,opb", },
-        { .compatible = "ibm,ebc", },
-        {},
-};
-
-static int __init makalu_device_probe(void)
-{
-        of_platform_bus_probe(NULL, makalu_of_bus, NULL);
-
-        return 0;
-}
-machine_device_initcall(makalu, makalu_device_probe);
-
-static int __init makalu_probe(void)
-{
-        unsigned long root = of_get_flat_dt_root();
-
-        if (!of_flat_dt_is_compatible(root, "amcc,makalu"))
-                return 0;
-
-        ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
-
-        return 1;
-}
-
-define_machine(makalu) {
-        .name                           = "Makalu",
-        .probe                          = makalu_probe,
-        .progress                       = udbg_progress,
-        .init_IRQ                       = uic_init_tree,
-        .get_irq                        = uic_get_irq,
-        .restart                        = ppc4xx_reset_system,
-        .calibrate_decr                 = generic_calibrate_decr,
-};
diff --git a/arch/powerpc/platforms/40x/ppc40x_simple.c b/arch/powerpc/platforms/40x/ppc40x_simple.c
index f40ac9b8f99f..5fd5a5974001 100644
--- a/arch/powerpc/platforms/40x/ppc40x_simple.c
+++ b/arch/powerpc/platforms/40x/ppc40x_simple.c
@@ -51,7 +51,10 @@ machine_device_initcall(ppc40x_simple, ppc40x_device_probe);
  * board.c file for it rather than adding it to this list.
  */
 static char *board[] __initdata = {
-        "amcc,acadia"
+        "amcc,acadia",
+        "amcc,haleakala",
+        "amcc,kilauea",
+        "amcc,makalu"
 };
 
 static int __init ppc40x_probe(void)
diff --git a/arch/powerpc/platforms/40x/virtex.c b/arch/powerpc/platforms/40x/virtex.c
index fc7fb001276c..d0fc6866b00c 100644
--- a/arch/powerpc/platforms/40x/virtex.c
+++ b/arch/powerpc/platforms/40x/virtex.c
@@ -14,6 +14,7 @@
 #include <asm/prom.h>
 #include <asm/time.h>
 #include <asm/xilinx_intc.h>
+#include <asm/xilinx_pci.h>
 #include <asm/ppc4xx.h>
 
 static struct of_device_id xilinx_of_bus_ids[] __initdata = {
@@ -47,6 +48,7 @@ static int __init virtex_probe(void)
 define_machine(virtex) {
         .name                   = "Xilinx Virtex",
         .probe                  = virtex_probe,
+        .setup_arch             = xilinx_pci_init,
         .init_IRQ               = xilinx_intc_init_tree,
         .get_irq                = xilinx_intc_get_irq,
         .restart                = ppc4xx_reset_system,
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 0d83a6a0397d..90e3192611a4 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -156,7 +156,7 @@ config YOSEMITE
 #         This option enables support for the IBM PPC440GX evaluation board.
 
 config XILINX_VIRTEX440_GENERIC_BOARD
-        bool "Generic Xilinx Virtex 440 board"
+        bool "Generic Xilinx Virtex 5 FXT board support"
         depends on 44x
         default n
         select XILINX_VIRTEX_5_FXT
@@ -171,6 +171,17 @@ config XILINX_VIRTEX440_GENERIC_BOARD
           Most Virtex 5 designs should use this unless it needs to do some
           special configuration at board probe time.
 
+config XILINX_ML510
+        bool "Xilinx ML510 extra support"
+        depends on XILINX_VIRTEX440_GENERIC_BOARD
+        select PPC_PCI_CHOICE
+        select XILINX_PCI if PCI
+        select PPC_INDIRECT_PCI if PCI
+        select PPC_I8259 if PCI
+        help
+          This option enables extra support for features on the Xilinx ML510
+          board.  The ML510 has a PCI bus with ALI south bridge.
+
 config PPC44x_SIMPLE
         bool "Simple PowerPC 44x board support"
         depends on 44x
diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile
index 01f51daace13..ee6185aeaa3b 100644
--- a/arch/powerpc/platforms/44x/Makefile
+++ b/arch/powerpc/platforms/44x/Makefile
@@ -4,3 +4,4 @@ obj-$(CONFIG_EBONY)	+= ebony.o
 obj-$(CONFIG_SAM440EP)  += sam440ep.o
 obj-$(CONFIG_WARP)      += warp.o
 obj-$(CONFIG_XILINX_VIRTEX_5_FXT) += virtex.o
+obj-$(CONFIG_XILINX_ML510) += virtex_ml510.o
diff --git a/arch/powerpc/platforms/44x/virtex.c b/arch/powerpc/platforms/44x/virtex.c
index 68637faf70ae..cf96ccaa760c 100644
--- a/arch/powerpc/platforms/44x/virtex.c
+++ b/arch/powerpc/platforms/44x/virtex.c
@@ -16,6 +16,7 @@
 #include <asm/prom.h>
 #include <asm/time.h>
 #include <asm/xilinx_intc.h>
+#include <asm/xilinx_pci.h>
 #include <asm/reg.h>
 #include <asm/ppc4xx.h>
 #include "44x.h"
@@ -53,6 +54,7 @@ static int __init virtex_probe(void)
 define_machine(virtex) {
         .name                   = "Xilinx Virtex440",
         .probe                  = virtex_probe,
+        .setup_arch             = xilinx_pci_init,
         .init_IRQ               = xilinx_intc_init_tree,
         .get_irq                = xilinx_intc_get_irq,
         .calibrate_decr         = generic_calibrate_decr,
diff --git a/arch/powerpc/platforms/44x/virtex_ml510.c b/arch/powerpc/platforms/44x/virtex_ml510.c
new file mode 100644
index 000000000000..ba4a6e388a46
--- /dev/null
+++ b/arch/powerpc/platforms/44x/virtex_ml510.c
@@ -0,0 +1,29 @@
+#include <asm/i8259.h>
+#include <linux/pci.h>
+#include "44x.h"
+
+/**
+ * ml510_ail_quirk
+ */
+static void __devinit ml510_ali_quirk(struct pci_dev *dev)
+{
+        /* Enable the IDE controller */
+        pci_write_config_byte(dev, 0x58, 0x4c);
+        /* Assign irq 14 to the primary ide channel */
+        pci_write_config_byte(dev, 0x44, 0x0d);
+        /* Assign irq 15 to the secondary ide channel */
+        pci_write_config_byte(dev, 0x75, 0x0f);
+        /* Set the ide controller in native mode */
+        pci_write_config_byte(dev, 0x09, 0xff);
+
+        /* INTB = disabled, INTA = disabled */
+        pci_write_config_byte(dev, 0x48, 0x00);
+        /* INTD = disabled, INTC = disabled */
+        pci_write_config_byte(dev, 0x4a, 0x00);
+        /* Audio = INT7, Modem = disabled. */
+        pci_write_config_byte(dev, 0x4b, 0x60);
+        /* USB = INT7 */
+        pci_write_config_byte(dev, 0x74, 0x06);
+}
+DECLARE_PCI_FIXUP_EARLY(0x10b9, 0x1533, ml510_ali_quirk);
+
diff --git a/arch/powerpc/platforms/44x/warp.c b/arch/powerpc/platforms/44x/warp.c
index 960edf89be51..c5118802a281 100644
--- a/arch/powerpc/platforms/44x/warp.c
+++ b/arch/powerpc/platforms/44x/warp.c
@@ -1,7 +1,7 @@
 /*
  * PIKA Warp(tm) board specific routines
  *
- * Copyright (c) 2008 PIKA Technologies
+ * Copyright (c) 2008-2009 PIKA Technologies
  *   Sean MacLennan <smaclennan@pikatech.com>
  *
  * This program is free software; you can redistribute  it and/or modify it
@@ -15,6 +15,7 @@
 #include <linux/i2c.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
+#include <linux/of_gpio.h>
 
 #include <asm/machdep.h>
 #include <asm/prom.h>
@@ -23,6 +24,7 @@
 #include <asm/uic.h>
 #include <asm/ppc4xx.h>
 
+
 static __initdata struct of_device_id warp_of_bus[] = {
         { .compatible = "ibm,plb4", },
         { .compatible = "ibm,opb", },
@@ -55,6 +57,8 @@ define_machine(warp) {
 };
 
 
+static u32 post_info;
+
 /* I am not sure this is the best place for this... */
 static int __init warp_post_info(void)
 {
@@ -77,21 +81,21 @@ static int __init warp_post_info(void)
 
         iounmap(fpga);
 
-        if (post1 || post2)
+        if (post1 || post2) {
                 printk(KERN_INFO "Warp POST %08x %08x\n", post1, post2);
-        else
+                post_info = 1;
+        } else
                 printk(KERN_INFO "Warp POST OK\n");
 
         return 0;
 }
-machine_late_initcall(warp, warp_post_info);
 
 
 #ifdef CONFIG_SENSORS_AD7414
 
 static LIST_HEAD(dtm_shutdown_list);
 static void __iomem *dtm_fpga;
-static void __iomem *gpio_base;
+static unsigned green_led, red_led;
 
 
 struct dtm_shutdown {
@@ -134,14 +138,17 @@ int pika_dtm_unregister_shutdown(void (*func)(void *arg), void *arg)
 static irqreturn_t temp_isr(int irq, void *context)
 {
         struct dtm_shutdown *shutdown;
+        int value = 1;
 
         local_irq_disable();
 
+        gpio_set_value(green_led, 0);
+
         /* Run through the shutdown list. */
         list_for_each_entry(shutdown, &dtm_shutdown_list, list)
                 shutdown->func(shutdown->arg);
 
-        printk(KERN_EMERG "\n\nCritical Temperature Shutdown\n");
+        printk(KERN_EMERG "\n\nCritical Temperature Shutdown\n\n");
 
         while (1) {
                 if (dtm_fpga) {
@@ -149,52 +156,34 @@ static irqreturn_t temp_isr(int irq, void *context)
                         out_be32(dtm_fpga + 0x14, reset);
                 }
 
-                if (gpio_base) {
-                        unsigned leds = in_be32(gpio_base);
-
-                        /* green off, red toggle */
-                        leds &= ~0x80000000;
-                        leds ^=  0x40000000;
-
-                        out_be32(gpio_base, leds);
-                }
-
+                gpio_set_value(red_led, value);
+                value ^= 1;
                 mdelay(500);
         }
 }
 
 static int pika_setup_leds(void)
 {
-        struct device_node *np;
-        const u32 *gpios;
-        int len;
+        struct device_node *np, *child;
 
-        np = of_find_compatible_node(NULL, NULL, "linux,gpio-led");
+        np = of_find_compatible_node(NULL, NULL, "gpio-leds");
         if (!np) {
-                printk(KERN_ERR __FILE__ ": Unable to find gpio-led\n");
-                return -ENOENT;
-        }
-
-        gpios = of_get_property(np, "gpios", &len);
-        of_node_put(np);
-        if (!gpios || len < 4) {
-                printk(KERN_ERR __FILE__
-                       ": Unable to get gpios property (%d)\n", len);
+                printk(KERN_ERR __FILE__ ": Unable to find leds\n");
                 return -ENOENT;
         }
 
-        np = of_find_node_by_phandle(gpios[0]);
-        if (!np) {
-                printk(KERN_ERR __FILE__ ": Unable to find gpio\n");
-                return -ENOENT;
-        }
+        for_each_child_of_node(np, child)
+                if (strcmp(child->name, "green") == 0) {
+                        green_led = of_get_gpio(child, 0);
+                        /* Turn back on the green LED */
+                        gpio_set_value(green_led, 1);
+                } else if (strcmp(child->name, "red") == 0) {
+                        red_led = of_get_gpio(child, 0);
+                        /* Set based on post */
+                        gpio_set_value(red_led, post_info);
+                }
 
-        gpio_base = of_iomap(np, 0);
         of_node_put(np);
-        if (!gpio_base) {
-                printk(KERN_ERR __FILE__ ": Unable to map gpio");
-                return -ENOMEM;
-        }
 
         return 0;
 }
@@ -270,10 +259,10 @@ static int pika_dtm_thread(void __iomem *fpga)
         }
 
 found_it:
-        i2c_put_adapter(adap);
-
         pika_setup_critical_temp(client);
 
+        i2c_put_adapter(adap);
+
         printk(KERN_INFO "PIKA DTM thread running.\n");
 
         while (!kthread_should_stop()) {
@@ -311,6 +300,9 @@ static int __init pika_dtm_start(void)
         if (dtm_fpga == NULL)
                 return -ENOENT;
 
+        /* Must get post info before thread starts. */
+        warp_post_info();
+
         dtm_thread = kthread_run(pika_dtm_thread, dtm_fpga, "pika-dtm");
         if (IS_ERR(dtm_thread)) {
                 iounmap(dtm_fpga);
@@ -333,6 +325,8 @@ int pika_dtm_unregister_shutdown(void (*func)(void *arg), void *arg)
         return 0;
 }
 
+machine_late_initcall(warp, warp_post_info);
+
 #endif
 
 EXPORT_SYMBOL(pika_dtm_register_shutdown);
diff --git a/arch/powerpc/platforms/52xx/efika.c b/arch/powerpc/platforms/52xx/efika.c
index a2068faef6ea..bcc69e1f77c1 100644
--- a/arch/powerpc/platforms/52xx/efika.c
+++ b/arch/powerpc/platforms/52xx/efika.c
@@ -34,7 +34,7 @@
 static int rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
                             int len, u32 * val)
 {
-        struct pci_controller *hose = bus->sysdata;
+        struct pci_controller *hose = pci_bus_to_host(bus);
         unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8)
             | (((bus->number - hose->first_busno) & 0xff) << 16)
             | (hose->global_number << 24);
@@ -49,7 +49,7 @@ static int rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
 static int rtas_write_config(struct pci_bus *bus, unsigned int devfn,
                              int offset, int len, u32 val)
 {
-        struct pci_controller *hose = bus->sysdata;
+        struct pci_controller *hose = pci_bus_to_host(bus);
         unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8)
             | (((bus->number - hose->first_busno) & 0xff) << 16)
             | (hose->global_number << 24);
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pci.c b/arch/powerpc/platforms/52xx/mpc52xx_pci.c
index 87ff522f28b5..dd43114e9684 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pci.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pci.c
@@ -107,7 +107,7 @@ static int
 mpc52xx_pci_read_config(struct pci_bus *bus, unsigned int devfn,
                                 int offset, int len, u32 *val)
 {
-        struct pci_controller *hose = bus->sysdata;
+        struct pci_controller *hose = pci_bus_to_host(bus);
         u32 value;
 
         if (ppc_md.pci_exclude_device)
@@ -164,7 +164,7 @@ static int
 mpc52xx_pci_write_config(struct pci_bus *bus, unsigned int devfn,
                                 int offset, int len, u32 val)
 {
-        struct pci_controller *hose = bus->sysdata;
+        struct pci_controller *hose = pci_bus_to_host(bus);
         u32 value, mask;
 
         if (ppc_md.pci_exclude_device)
diff --git a/arch/powerpc/platforms/82xx/pq2ads.h b/arch/powerpc/platforms/82xx/pq2ads.h
index 984db42cc8e7..6cf0f97486e2 100644
--- a/arch/powerpc/platforms/82xx/pq2ads.h
+++ b/arch/powerpc/platforms/82xx/pq2ads.h
@@ -24,10 +24,6 @@
 
 #include <linux/seq_file.h>
 
-/* Backword-compatibility stuff for the drivers */
-#define CPM_MAP_ADDR            ((uint)0xf0000000)
-#define CPM_IRQ_OFFSET 0
-
 /* The ADS8260 has 16, 32-bit wide control/status registers, accessed
  * only on word boundaries.
  * Not all are used (yet), or are interesting to us (yet).
@@ -44,14 +40,5 @@
 #define BCSR3_FETHIEN2          ((uint)0x10000000)      /* 0 == enable*/
 #define BCSR3_FETH2_RST         ((uint)0x80000000)      /* 0 == reset */
 
-/* cpm serial driver works with constants below */
-
-#define SIU_INT_SMC1            ((uint)0x04+CPM_IRQ_OFFSET)
-#define SIU_INT_SMC2            ((uint)0x05+CPM_IRQ_OFFSET)
-#define SIU_INT_SCC1            ((uint)0x28+CPM_IRQ_OFFSET)
-#define SIU_INT_SCC2            ((uint)0x29+CPM_IRQ_OFFSET)
-#define SIU_INT_SCC3            ((uint)0x2a+CPM_IRQ_OFFSET)
-#define SIU_INT_SCC4            ((uint)0x2b+CPM_IRQ_OFFSET)
-
 #endif /* __MACH_ADS8260_DEFS */
 #endif /* __KERNEL__ */
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 7f066adc068c..43d385cedcd7 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -34,6 +34,7 @@ config MPC85xx_MDS
         bool "Freescale MPC85xx MDS"
         select DEFAULT_UIMAGE
         select PHYLIB
+        select HAS_RAPIDIO
         help
           This option enables support for the MPC85xx MDS board
 
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
index de66de7a9ca2..53d5851a6c97 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
@@ -163,7 +163,8 @@ static void __init mpc85xx_ds_setup_arch(void)
 #ifdef CONFIG_PCI
         for_each_node_by_type(np, "pci") {
                 if (of_device_is_compatible(np, "fsl,mpc8540-pci") ||
-                    of_device_is_compatible(np, "fsl,mpc8548-pcie")) {
+                    of_device_is_compatible(np, "fsl,mpc8548-pcie") ||
+                    of_device_is_compatible(np, "fsl,p2020-pcie")) {
                         struct resource rsrc;
                         of_address_to_resource(np, 0, &rsrc);
                         if ((rsrc.start & 0xfffff) == primary_phb_addr)
@@ -195,9 +196,9 @@ static int __init mpc8544_ds_probe(void)
                 primary_phb_addr = 0xb000;
 #endif
                 return 1;
-        } else {
-                return 0;
         }
+
+        return 0;
 }
 
 static struct of_device_id __initdata mpc85xxds_ids[] = {
@@ -214,6 +215,7 @@ static int __init mpc85xxds_publish_devices(void)
 }
 machine_device_initcall(mpc8544_ds, mpc85xxds_publish_devices);
 machine_device_initcall(mpc8572_ds, mpc85xxds_publish_devices);
+machine_device_initcall(p2020_ds, mpc85xxds_publish_devices);
 
 /*
  * Called very early, device-tree isn't unflattened
@@ -227,9 +229,26 @@ static int __init mpc8572_ds_probe(void)
                 primary_phb_addr = 0x8000;
 #endif
                 return 1;
-        } else {
-                return 0;
         }
+
+        return 0;
+}
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init p2020_ds_probe(void)
+{
+        unsigned long root = of_get_flat_dt_root();
+
+        if (of_flat_dt_is_compatible(root, "fsl,P2020DS")) {
+#ifdef CONFIG_PCI
+                primary_phb_addr = 0x9000;
+#endif
+                return 1;
+        }
+
+        return 0;
 }
 
 define_machine(mpc8544_ds) {
@@ -259,3 +278,17 @@ define_machine(mpc8572_ds) {
         .calibrate_decr         = generic_calibrate_decr,
         .progress               = udbg_progress,
 };
+
+define_machine(p2020_ds) {
+        .name                   = "P2020 DS",
+        .probe                  = p2020_ds_probe,
+        .setup_arch             = mpc85xx_ds_setup_arch,
+        .init_IRQ               = mpc85xx_ds_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/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index 7dd029034aec..b2c0a4319973 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -206,23 +206,24 @@ static void __init mpc85xx_mds_setup_arch(void)
         }
 
         if (bcsr_regs) {
+                if (machine_is(mpc8568_mds)) {
 #define BCSR_UCC1_GETH_EN       (0x1 << 7)
 #define BCSR_UCC2_GETH_EN       (0x1 << 7)
 #define BCSR_UCC1_MODE_MSK      (0x3 << 4)
 #define BCSR_UCC2_MODE_MSK      (0x3 << 0)
 
-                /* Turn off UCC1 & UCC2 */
-                clrbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
-                clrbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
+                        /* Turn off UCC1 & UCC2 */
+                        clrbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
+                        clrbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
 
-                /* Mode is RGMII, all bits clear */
-                clrbits8(&bcsr_regs[11], BCSR_UCC1_MODE_MSK |
-                                         BCSR_UCC2_MODE_MSK);
-
-                /* Turn UCC1 & UCC2 on */
-                setbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
-                setbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
+                        /* Mode is RGMII, all bits clear */
+                        clrbits8(&bcsr_regs[11], BCSR_UCC1_MODE_MSK |
+                                                 BCSR_UCC2_MODE_MSK);
 
+                        /* Turn UCC1 & UCC2 on */
+                        setbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
+                        setbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
+                }
                 iounmap(bcsr_regs);
         }
 #endif  /* CONFIG_QUICC_ENGINE */
@@ -257,7 +258,8 @@ static int __init board_fixups(void)
 
         return 0;
 }
-machine_arch_initcall(mpc85xx_mds, board_fixups);
+machine_arch_initcall(mpc8568_mds, board_fixups);
+machine_arch_initcall(mpc8569_mds, board_fixups);
 
 static struct of_device_id mpc85xx_ids[] = {
         { .type = "soc", },
@@ -276,7 +278,8 @@ static int __init mpc85xx_publish_devices(void)
 
         return 0;
 }
-machine_device_initcall(mpc85xx_mds, mpc85xx_publish_devices);
+machine_device_initcall(mpc8568_mds, mpc85xx_publish_devices);
+machine_device_initcall(mpc8569_mds, mpc85xx_publish_devices);
 
 static void __init mpc85xx_mds_pic_init(void)
 {
@@ -321,8 +324,8 @@ static int __init mpc85xx_mds_probe(void)
         return of_flat_dt_is_compatible(root, "MPC85xxMDS");
 }
 
-define_machine(mpc85xx_mds) {
-        .name           = "MPC85xx MDS",
+define_machine(mpc8568_mds) {
+        .name           = "MPC8568 MDS",
         .probe          = mpc85xx_mds_probe,
         .setup_arch     = mpc85xx_mds_setup_arch,
         .init_IRQ       = mpc85xx_mds_pic_init,
@@ -334,3 +337,24 @@ define_machine(mpc85xx_mds) {
         .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
 #endif
 };
+
+static int __init mpc8569_mds_probe(void)
+{
+        unsigned long root = of_get_flat_dt_root();
+
+        return of_flat_dt_is_compatible(root, "fsl,MPC8569EMDS");
+}
+
+define_machine(mpc8569_mds) {
+        .name           = "MPC8569 MDS",
+        .probe          = mpc8569_mds_probe,
+        .setup_arch     = mpc85xx_mds_setup_arch,
+        .init_IRQ       = mpc85xx_mds_pic_init,
+        .get_irq        = mpic_get_irq,
+        .restart        = fsl_rstcr_restart,
+        .calibrate_decr = generic_calibrate_decr,
+        .progress       = udbg_progress,
+#ifdef CONFIG_PCI
+        .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
+#endif
+};
diff --git a/arch/powerpc/platforms/86xx/gef_ppc9a.c b/arch/powerpc/platforms/86xx/gef_ppc9a.c
index d79104669cdc..2efa052975e6 100644
--- a/arch/powerpc/platforms/86xx/gef_ppc9a.c
+++ b/arch/powerpc/platforms/86xx/gef_ppc9a.c
@@ -28,7 +28,6 @@
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc86xx.h>
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
diff --git a/arch/powerpc/platforms/86xx/gef_sbc310.c b/arch/powerpc/platforms/86xx/gef_sbc310.c
index af14f852d747..90754e752bd8 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc310.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc310.c
@@ -28,7 +28,6 @@
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc86xx.h>
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c
index ea2360639652..72b31a6010a0 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc610.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc610.c
@@ -28,7 +28,6 @@
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc86xx.h>
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
index 3f49a6f893a3..51eec0cd5519 100644
--- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
+++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
@@ -28,7 +28,6 @@
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc86xx.h>
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index c4ec49b5f7f8..7e9e83c04a8a 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -24,7 +24,6 @@
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc86xx.h>
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_smp.c b/arch/powerpc/platforms/86xx/mpc86xx_smp.c
index 014e26cda08d..d84bbb508ee7 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_smp.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_smp.c
@@ -20,7 +20,6 @@
 #include <asm/pgtable.h>
 #include <asm/pci-bridge.h>
 #include <asm/mpic.h>
-#include <asm/mpc86xx.h>
 #include <asm/cacheflush.h>
 
 #include <sysdev/fsl_soc.h>
@@ -30,6 +29,11 @@
 extern void __secondary_start_mpc86xx(void);
 extern unsigned long __secondary_hold_acknowledge;
 
+#define MCM_PORT_CONFIG_OFFSET  0x10
+
+/* Offset from CCSRBAR */
+#define MPC86xx_MCM_OFFSET      (0x1000)
+#define MPC86xx_MCM_SIZE        (0x1000)
 
 static void __init
 smp_86xx_release_core(int nr)
@@ -48,6 +52,8 @@ smp_86xx_release_core(int nr)
         pcr = in_be32(mcm_vaddr + (MCM_PORT_CONFIG_OFFSET >> 2));
         pcr |= 1 << (nr + 24);
         out_be32(mcm_vaddr + (MCM_PORT_CONFIG_OFFSET >> 2), pcr);
+
+        iounmap(mcm_vaddr);
 }
 
 
diff --git a/arch/powerpc/platforms/86xx/sbc8641d.c b/arch/powerpc/platforms/86xx/sbc8641d.c
index 2886a36fc085..51c8f331b671 100644
--- a/arch/powerpc/platforms/86xx/sbc8641d.c
+++ b/arch/powerpc/platforms/86xx/sbc8641d.c
@@ -25,7 +25,6 @@
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc86xx.h>
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
diff --git a/arch/powerpc/platforms/8xx/mpc885ads.h b/arch/powerpc/platforms/8xx/mpc885ads.h
index a5076668bad6..19412f76fa3b 100644
--- a/arch/powerpc/platforms/8xx/mpc885ads.h
+++ b/arch/powerpc/platforms/8xx/mpc885ads.h
@@ -17,10 +17,6 @@
 
 #include <sysdev/fsl_soc.h>
 
-#define MPC8xx_CPM_OFFSET       (0x9c0)
-#define CPM_MAP_ADDR            (get_immrbase() + MPC8xx_CPM_OFFSET)
-#define CPM_IRQ_OFFSET          16     // for compability with cpm_uart driver
-
 /* Bits of interest in the BCSRs.
  */
 #define BCSR1_ETHEN             ((uint)0x20000000)
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index e3e87078d03f..04a8061045c4 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -329,4 +329,8 @@ config MCU_MPC8349EMITX
           also register MCU GPIOs with the generic GPIO API, so you'll able
           to use MCU pins as GPIOs.
 
+config XILINX_PCI
+        bool "Xilinx PCI host bridge support"
+        depends on PCI && XILINX_VIRTEX
+
 endmenu
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 732ee93a8e98..cca6b4fc719a 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -10,7 +10,6 @@ menu "Processor support"
 choice
         prompt "Processor Type"
         depends on PPC32
-        default 6xx
         help
           There are five families of 32 bit PowerPC chips supported.
           The most common ones are the desktop and server CPUs (601, 603,
@@ -22,7 +21,7 @@ choice
 
           If unsure, select 52xx/6xx/7xx/74xx/82xx/83xx/86xx.
 
-config 6xx
+config PPC_BOOK3S
         bool "512x/52xx/6xx/7xx/74xx/82xx/83xx/86xx"
         select PPC_FPU
 
@@ -58,13 +57,11 @@ config E200
 
 endchoice
 
-# Until we have a choice of exclusive CPU types on 64-bit, we always
-# use PPC_BOOK3S. On 32-bit, this is equivalent to 6xx which is
-# "classic" MMU
-
 config PPC_BOOK3S
-       def_bool y
-       depends on PPC64 || 6xx
+        default y
+        depends on PPC64
+        select PPC_FPU
+
 
 config POWER4_ONLY
         bool "Optimize for POWER4"
@@ -75,6 +72,10 @@ config POWER4_ONLY
           The resulting binary will not work on POWER3 or RS64 processors
           when compiled with binutils 2.15 or later.
 
+config 6xx
+        def_bool y
+        depends on PPC32 && PPC_BOOK3S
+
 config POWER3
         bool
         depends on PPC64 && PPC_BOOK3S
@@ -203,9 +204,8 @@ config SPE
           If in doubt, say Y here.
 
 config PPC_STD_MMU
-        bool
-        depends on 6xx || PPC64
-        default y
+        def_bool y
+        depends on PPC_BOOK3S
 
 config PPC_STD_MMU_32
         def_bool y
@@ -263,8 +263,8 @@ config SMP
           If you don't know what to do here, say N.
 
 config NR_CPUS
-        int "Maximum number of CPUs (2-1024)"
-        range 2 1024
+        int "Maximum number of CPUs (2-8192)"
+        range 2 8192
         depends on SMP
         default "32" if PPC64
         default "4"
diff --git a/arch/powerpc/platforms/cell/celleb_pci.c b/arch/powerpc/platforms/cell/celleb_pci.c
index f39a3b2a1667..00eaaa71630f 100644
--- a/arch/powerpc/platforms/cell/celleb_pci.c
+++ b/arch/powerpc/platforms/cell/celleb_pci.c
@@ -162,8 +162,7 @@ static int celleb_fake_pci_read_config(struct pci_bus *bus,
                 unsigned int devfn, int where, int size, u32 *val)
 {
         char *config;
-        struct device_node *node;
-        struct pci_controller *hose;
+        struct pci_controller *hose = pci_bus_to_host(bus);
         unsigned int devno = devfn >> 3;
         unsigned int fn = devfn & 0x7;
 
@@ -171,8 +170,6 @@ static int celleb_fake_pci_read_config(struct pci_bus *bus,
         BUG_ON(where % size);
 
         pr_debug("    fake read: bus=0x%x, ", bus->number);
-        node = (struct device_node *)bus->sysdata;
-        hose = pci_find_hose_for_OF_device(node);
         config = get_fake_config_start(hose, devno, fn);
 
         pr_debug("devno=0x%x, where=0x%x, size=0x%x, ", devno, where, size);
@@ -192,8 +189,7 @@ static int celleb_fake_pci_write_config(struct pci_bus *bus,
                 unsigned int devfn, int where, int size, u32 val)
 {
         char *config;
-        struct device_node *node;
-        struct pci_controller *hose;
+        struct pci_controller *hose = pci_bus_to_host(bus);
         struct celleb_pci_resource *res;
         unsigned int devno = devfn >> 3;
         unsigned int fn = devfn & 0x7;
@@ -201,8 +197,6 @@ static int celleb_fake_pci_write_config(struct pci_bus *bus,
         /* allignment check */
         BUG_ON(where % size);
 
-        node = (struct device_node *)bus->sysdata;
-        hose = pci_find_hose_for_OF_device(node);
         config = get_fake_config_start(hose, devno, fn);
 
         if (!config)
diff --git a/arch/powerpc/platforms/cell/celleb_scc_epci.c b/arch/powerpc/platforms/cell/celleb_scc_epci.c
index 48ec88a38a12..05b0db3ef638 100644
--- a/arch/powerpc/platforms/cell/celleb_scc_epci.c
+++ b/arch/powerpc/platforms/cell/celleb_scc_epci.c
@@ -134,15 +134,11 @@ static int celleb_epci_read_config(struct pci_bus *bus,
 {
         PCI_IO_ADDR epci_base;
         PCI_IO_ADDR addr;
-        struct device_node *node;
-        struct pci_controller *hose;
+        struct pci_controller *hose = pci_bus_to_host(bus);
 
         /* allignment check */
         BUG_ON(where % size);
 
-        node = (struct device_node *)bus->sysdata;
-        hose = pci_find_hose_for_OF_device(node);
-
         if (!celleb_epci_get_epci_cfg(hose))
                 return PCIBIOS_DEVICE_NOT_FOUND;
 
@@ -198,16 +194,11 @@ static int celleb_epci_write_config(struct pci_bus *bus,
 {
         PCI_IO_ADDR epci_base;
         PCI_IO_ADDR addr;
-        struct device_node *node;
-        struct pci_controller *hose;
+        struct pci_controller *hose = pci_bus_to_host(bus);
 
         /* allignment check */
         BUG_ON(where % size);
 
-        node = (struct device_node *)bus->sysdata;
-        hose = pci_find_hose_for_OF_device(node);
-
-
         if (!celleb_epci_get_epci_cfg(hose))
                 return PCIBIOS_DEVICE_NOT_FOUND;
 
diff --git a/arch/powerpc/platforms/cell/celleb_scc_pciex.c b/arch/powerpc/platforms/cell/celleb_scc_pciex.c
index 3e7e0f1568ef..7fca09f990ba 100644
--- a/arch/powerpc/platforms/cell/celleb_scc_pciex.c
+++ b/arch/powerpc/platforms/cell/celleb_scc_pciex.c
@@ -366,11 +366,7 @@ static void config_write_pciex_rc(unsigned int __iomem *base, uint32_t where,
 static int scc_pciex_read_config(struct pci_bus *bus, unsigned int devfn,
                                  int where, int size, unsigned int *val)
 {
-        struct device_node *dn;
-        struct pci_controller *phb;
-
-        dn = bus->sysdata;
-        phb = pci_find_hose_for_OF_device(dn);
+        struct pci_controller *phb = pci_bus_to_host(bus);
 
         if (bus->number == phb->first_busno && PCI_SLOT(devfn) != 1) {
                 *val = ~0;
@@ -389,11 +385,7 @@ static int scc_pciex_read_config(struct pci_bus *bus, unsigned int devfn,
 static int scc_pciex_write_config(struct pci_bus *bus, unsigned int devfn,
                                   int where, int size, unsigned int val)
 {
-        struct device_node *dn;
-        struct pci_controller *phb;
-
-        dn = bus->sysdata;
-        phb = pci_find_hose_for_OF_device(dn);
+        struct pci_controller *phb = pci_bus_to_host(bus);
 
         if (bus->number == phb->first_busno && PCI_SLOT(devfn) != 1)
                 return PCIBIOS_DEVICE_NOT_FOUND;
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 706eb5c7e2ee..24b30b6909c4 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -631,10 +631,6 @@ long spufs_create(struct nameidata *nd, unsigned int flags, mode_t mode,
         if (IS_ERR(dentry))
                 goto out_dir;
 
-        ret = -EEXIST;
-        if (dentry->d_inode)
-                goto out_dput;
-
         mode &= ~current_umask();
 
         if (flags & SPU_CREATE_GANG)
@@ -648,8 +644,6 @@ long spufs_create(struct nameidata *nd, unsigned int flags, mode_t mode,
                 fsnotify_mkdir(nd->path.dentry->d_inode, dentry);
         return ret;
 
-out_dput:
-        dput(dentry);
 out_dir:
         mutex_unlock(&nd->path.dentry->d_inode->i_mutex);
 out:
diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c
index f6b0c519d5a2..8f67a394b2d0 100644
--- a/arch/powerpc/platforms/chrp/pci.c
+++ b/arch/powerpc/platforms/chrp/pci.c
@@ -34,7 +34,7 @@ int gg2_read_config(struct pci_bus *bus, unsigned int devfn, int off,
                            int len, u32 *val)
 {
         volatile void __iomem *cfg_data;
-        struct pci_controller *hose = bus->sysdata;
+        struct pci_controller *hose = pci_bus_to_host(bus);
 
         if (bus->number > 7)
                 return PCIBIOS_DEVICE_NOT_FOUND;
@@ -61,7 +61,7 @@ int gg2_write_config(struct pci_bus *bus, unsigned int devfn, int off,
                             int len, u32 val)
 {
         volatile void __iomem *cfg_data;
-        struct pci_controller *hose = bus->sysdata;
+        struct pci_controller *hose = pci_bus_to_host(bus);
 
         if (bus->number > 7)
                 return PCIBIOS_DEVICE_NOT_FOUND;
@@ -96,7 +96,7 @@ static struct pci_ops gg2_pci_ops =
 int rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
                      int len, u32 *val)
 {
-        struct pci_controller *hose = bus->sysdata;
+        struct pci_controller *hose = pci_bus_to_host(bus);
         unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8)
                 | (((bus->number - hose->first_busno) & 0xff) << 16)
                 | (hose->global_number << 24);
@@ -111,7 +111,7 @@ int rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
 int rtas_write_config(struct pci_bus *bus, unsigned int devfn, int offset,
                       int len, u32 val)
 {
-        struct pci_controller *hose = bus->sysdata;
+        struct pci_controller *hose = pci_bus_to_host(bus);
         unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8)
                 | (((bus->number - hose->first_busno) & 0xff) << 16)
                 | (hose->global_number << 24);
diff --git a/arch/powerpc/platforms/fsl_uli1575.c b/arch/powerpc/platforms/fsl_uli1575.c
index 65a35f38e062..fd23a1d4b39d 100644
--- a/arch/powerpc/platforms/fsl_uli1575.c
+++ b/arch/powerpc/platforms/fsl_uli1575.c
@@ -51,13 +51,20 @@ u8 uli_pirq_to_irq[8] = {
         ULI_8259_NONE,          /* PIRQH */
 };
 
+static inline bool is_quirk_valid(void)
+{
+        return (machine_is(mpc86xx_hpcn) ||
+                machine_is(mpc8544_ds) ||
+                machine_is(p2020_ds) ||
+                machine_is(mpc8572_ds));
+}
+
 /* Bridge */
 static void __devinit early_uli5249(struct pci_dev *dev)
 {
         unsigned char temp;
 
-        if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
-                        !machine_is(mpc8572_ds))
+        if (!is_quirk_valid())
                 return;
 
         pci_write_config_word(dev, PCI_COMMAND, PCI_COMMAND_IO |
@@ -80,8 +87,7 @@ static void __devinit quirk_uli1575(struct pci_dev *dev)
 {
         int i;
 
-        if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
-                        !machine_is(mpc8572_ds))
+        if (!is_quirk_valid())
                 return;
 
         /*
@@ -149,8 +155,7 @@ static void __devinit quirk_final_uli1575(struct pci_dev *dev)
          * IRQ 14: Edge
          * IRQ 15: Edge
          */
-        if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
-                        !machine_is(mpc8572_ds))
+        if (!is_quirk_valid())
                 return;
 
         outb(0xfa, 0x4d0);
@@ -176,8 +181,7 @@ static void __devinit quirk_uli5288(struct pci_dev *dev)
         unsigned char c;
         unsigned int d;
 
-        if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
-                        !machine_is(mpc8572_ds))
+        if (!is_quirk_valid())
                 return;
 
         /* read/write lock */
@@ -201,8 +205,7 @@ static void __devinit quirk_uli5229(struct pci_dev *dev)
 {
         unsigned short temp;
 
-        if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
-                        !machine_is(mpc8572_ds))
+        if (!is_quirk_valid())
                 return;
 
         pci_write_config_word(dev, PCI_COMMAND, PCI_COMMAND_INTX_DISABLE |
@@ -270,7 +273,6 @@ static void __devinit hpcd_quirk_uli1575(struct pci_dev *dev)
 static void __devinit hpcd_quirk_uli5288(struct pci_dev *dev)
 {
         unsigned char c;
-        unsigned short temp;
 
         if (!machine_is(mpc86xx_hpcd))
                 return;
diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c
index 40219823d9b0..6c1e1011959e 100644
--- a/arch/powerpc/platforms/iseries/iommu.c
+++ b/arch/powerpc/platforms/iseries/iommu.c
@@ -177,7 +177,7 @@ static struct iommu_table *iommu_table_find(struct iommu_table * tbl)
 static void pci_dma_dev_setup_iseries(struct pci_dev *pdev)
 {
         struct iommu_table *tbl;
-        struct device_node *dn = pdev->sysdata;
+        struct device_node *dn = pci_device_to_OF_node(pdev);
         struct pci_dn *pdn = PCI_DN(dn);
         const u32 *lsn = of_get_property(dn, "linux,logical-slot-number", NULL);
 
diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c
index 21cddc30220b..175aac8ca7e5 100644
--- a/arch/powerpc/platforms/iseries/pci.c
+++ b/arch/powerpc/platforms/iseries/pci.c
@@ -318,6 +318,7 @@ static void __init iomm_table_allocate_entry(struct pci_dev *dev, int bar_num)
 {
         struct resource *bar_res = &dev->resource[bar_num];
         long bar_size = pci_resource_len(dev, bar_num);
+        struct device_node *dn = pci_device_to_OF_node(dev);
 
         /*
          * No space to allocate, quick exit, skip Allocation.
@@ -335,9 +336,9 @@ static void __init iomm_table_allocate_entry(struct pci_dev *dev, int bar_num)
          * Allocate the number of table entries needed for BAR.
          */
         while (bar_size > 0 ) {
-                iomm_table[current_iomm_table_entry] = dev->sysdata;
+                iomm_table[current_iomm_table_entry] = dn;
                 ds_addr_table[current_iomm_table_entry] =
-                        iseries_ds_addr(dev->sysdata) | (bar_num << 24);
+                        iseries_ds_addr(dn) | (bar_num << 24);
                 bar_size -= IOMM_TABLE_ENTRY_SIZE;
                 ++current_iomm_table_entry;
         }
@@ -410,7 +411,7 @@ void __init iSeries_pcibios_fixup_resources(struct pci_dev *pdev)
         struct device_node *node;
         int i;
 
-        node = find_device_node(bus, pdev->devfn);
+        node = pci_device_to_OF_node(pdev);
         pr_debug("PCI: iSeries %s, pdev %p, node %p\n",
                  pci_name(pdev), pdev, node);
         if (!node) {
@@ -441,7 +442,6 @@ void __init iSeries_pcibios_fixup_resources(struct pci_dev *pdev)
                 }
         }
 
-        pdev->sysdata = node;
         allocate_device_bars(pdev);
         iseries_device_information(pdev, bus, *sub_bus);
 }
diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index 7039d8f1d3ba..dce736349107 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -221,7 +221,7 @@ static irqreturn_t gatwick_action(int cpl, void *dev_id)
                         continue;
                 irq += __ilog2(bits);
                 spin_unlock_irqrestore(&pmac_pic_lock, flags);
-                __do_IRQ(irq);
+                generic_handle_irq(irq);
                 spin_lock_irqsave(&pmac_pic_lock, flags);
                 rc = IRQ_HANDLED;
         }
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 45936c9ed0ec..86f69a4eb49b 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -655,7 +655,7 @@ static int __init pmac_probe(void)
 /* Move that to pci.c */
 static int pmac_pci_probe_mode(struct pci_bus *bus)
 {
-        struct device_node *node = bus->sysdata;
+        struct device_node *node = pci_bus_to_OF_node(bus);
 
         /* We need to use normal PCI probing for the AGP bus,
          * since the device for the AGP bridge isn't in the tree.
diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c
index a0927a3bacb7..f6e04bcc70ef 100644
--- a/arch/powerpc/platforms/ps3/smp.c
+++ b/arch/powerpc/platforms/ps3/smp.c
@@ -32,12 +32,6 @@
 #define DBG pr_debug
 #endif
 
-static irqreturn_t ipi_function_handler(int irq, void *msg)
-{
-        smp_message_recv((int)(long)msg);
-        return IRQ_HANDLED;
-}
-
 /**
   * ps3_ipi_virqs - a per cpu array of virqs for ipi use
   */
@@ -45,13 +39,6 @@ static irqreturn_t ipi_function_handler(int irq, void *msg)
 #define MSG_COUNT 4
 static DEFINE_PER_CPU(unsigned int, ps3_ipi_virqs[MSG_COUNT]);
 
-static const char *names[MSG_COUNT] = {
-        "ipi call",
-        "ipi reschedule",
-        "ipi migrate",
-        "ipi debug brk"
-};
-
 static void do_message_pass(int target, int msg)
 {
         int result;
@@ -119,8 +106,7 @@ static void __init ps3_smp_setup_cpu(int cpu)
                 DBG("%s:%d: (%d, %d) => virq %u\n",
                         __func__, __LINE__, cpu, i, virqs[i]);
 
-                result = request_irq(virqs[i], ipi_function_handler,
-                        IRQF_DISABLED, names[i], (void*)(long)i);
+                result = smp_request_message_ipi(virqs[i], i);
 
                 if (result)
                         virqs[i] = NO_IRQ;
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 3ee01b4f4257..661c8e02bcba 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -388,7 +388,7 @@ static void pci_dma_bus_setup_pSeries(struct pci_bus *bus)
 
                 while (pci->phb->dma_window_size * children > 0x80000000ul)
                         pci->phb->dma_window_size >>= 1;
-                pr_debug("No ISA/IDE, window size is 0x%lx\n",
+                pr_debug("No ISA/IDE, window size is 0x%llx\n",
                          pci->phb->dma_window_size);
                 pci->phb->dma_window_base_cur = 0;
 
@@ -414,7 +414,7 @@ static void pci_dma_bus_setup_pSeries(struct pci_bus *bus)
         while (pci->phb->dma_window_size * children > 0x70000000ul)
                 pci->phb->dma_window_size >>= 1;
 
-        pr_debug("ISA/IDE, window size is 0x%lx\n", pci->phb->dma_window_size);
+        pr_debug("ISA/IDE, window size is 0x%llx\n", pci->phb->dma_window_size);
 }
 
 
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 52a80e5840e8..e3139fa5e556 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -609,3 +609,55 @@ void __init hpte_init_lpar(void)
         ppc_md.flush_hash_range = pSeries_lpar_flush_hash_range;
         ppc_md.hpte_clear_all   = pSeries_lpar_hptab_clear;
 }
+
+#ifdef CONFIG_PPC_SMLPAR
+#define CMO_FREE_HINT_DEFAULT 1
+static int cmo_free_hint_flag = CMO_FREE_HINT_DEFAULT;
+
+static int __init cmo_free_hint(char *str)
+{
+        char *parm;
+        parm = strstrip(str);
+
+        if (strcasecmp(parm, "no") == 0 || strcasecmp(parm, "off") == 0) {
+                printk(KERN_INFO "cmo_free_hint: CMO free page hinting is not active.\n");
+                cmo_free_hint_flag = 0;
+                return 1;
+        }
+
+        cmo_free_hint_flag = 1;
+        printk(KERN_INFO "cmo_free_hint: CMO free page hinting is active.\n");
+
+        if (strcasecmp(parm, "yes") == 0 || strcasecmp(parm, "on") == 0)
+                return 1;
+
+        return 0;
+}
+
+__setup("cmo_free_hint=", cmo_free_hint);
+
+static void pSeries_set_page_state(struct page *page, int order,
+                                   unsigned long state)
+{
+        int i, j;
+        unsigned long cmo_page_sz, addr;
+
+        cmo_page_sz = cmo_get_page_size();
+        addr = __pa((unsigned long)page_address(page));
+
+        for (i = 0; i < (1 << order); i++, addr += PAGE_SIZE) {
+                for (j = 0; j < PAGE_SIZE; j += cmo_page_sz)
+                        plpar_hcall_norets(H_PAGE_INIT, state, addr + j, 0);
+        }
+}
+
+void arch_free_page(struct page *page, int order)
+{
+        if (!cmo_free_hint_flag || !firmware_has_feature(FW_FEATURE_CMO))
+                return;
+
+        pSeries_set_page_state(page, order, H_PAGE_SET_UNUSED);
+}
+EXPORT_SYMBOL(arch_free_page);
+
+#endif
diff --git a/arch/powerpc/platforms/pseries/rtasd.c b/arch/powerpc/platforms/pseries/rtasd.c
index afad9f5ac0ac..b3cbac855924 100644
--- a/arch/powerpc/platforms/pseries/rtasd.c
+++ b/arch/powerpc/platforms/pseries/rtasd.c
@@ -19,7 +19,7 @@
 #include <linux/vmalloc.h>
 #include <linux/spinlock.h>
 #include <linux/cpu.h>
-#include <linux/delay.h>
+#include <linux/workqueue.h>
 
 #include <asm/uaccess.h>
 #include <asm/io.h>
@@ -387,36 +387,51 @@ static void do_event_scan(void)
         } while(error == 0);
 }
 
-static void do_event_scan_all_cpus(long delay)
+static void rtas_event_scan(struct work_struct *w);
+DECLARE_DELAYED_WORK(event_scan_work, rtas_event_scan);
+
+/*
+ * Delay should be at least one second since some machines have problems if
+ * we call event-scan too quickly.
+ */
+static unsigned long event_scan_delay = 1*HZ;
+static int first_pass = 1;
+
+static void rtas_event_scan(struct work_struct *w)
 {
-        int cpu;
+        unsigned int cpu;
+
+        do_event_scan();
 
         get_online_cpus();
-        cpu = first_cpu(cpu_online_map);
-        for (;;) {
-                set_cpus_allowed(current, cpumask_of_cpu(cpu));
-                do_event_scan();
-                set_cpus_allowed(current, CPU_MASK_ALL);
-
-                /* Drop hotplug lock, and sleep for the specified delay */
-                put_online_cpus();
-                msleep_interruptible(delay);
-                get_online_cpus();
-
-                cpu = next_cpu(cpu, cpu_online_map);
-                if (cpu == NR_CPUS)
-                        break;
+
+        cpu = next_cpu(smp_processor_id(), cpu_online_map);
+        if (cpu == NR_CPUS) {
+                cpu = first_cpu(cpu_online_map);
+
+                if (first_pass) {
+                        first_pass = 0;
+                        event_scan_delay = 30*HZ/rtas_event_scan_rate;
+
+                        if (surveillance_timeout != -1) {
+                                pr_debug("rtasd: enabling surveillance\n");
+                                enable_surveillance(surveillance_timeout);
+                                pr_debug("rtasd: surveillance enabled\n");
+                        }
+                }
         }
+
+        schedule_delayed_work_on(cpu, &event_scan_work,
+                __round_jiffies_relative(event_scan_delay, cpu));
+
         put_online_cpus();
 }
 
-static int rtasd(void *unused)
+static void start_event_scan(void)
 {
         unsigned int err_type;
         int rc;
 
-        daemonize("rtasd");
-
         printk(KERN_DEBUG "RTAS daemon started\n");
         pr_debug("rtasd: will sleep for %d milliseconds\n",
                  (30000 / rtas_event_scan_rate));
@@ -434,22 +449,8 @@ static int rtasd(void *unused)
                 }
         }
 
-        /* First pass. */
-        do_event_scan_all_cpus(1000);
-
-        if (surveillance_timeout != -1) {
-                pr_debug("rtasd: enabling surveillance\n");
-                enable_surveillance(surveillance_timeout);
-                pr_debug("rtasd: surveillance enabled\n");
-        }
-
-        /* Delay should be at least one second since some
-         * machines have problems if we call event-scan too
-         * quickly. */
-        for (;;)
-                do_event_scan_all_cpus(30000/rtas_event_scan_rate);
-
-        return -EINVAL;
+        schedule_delayed_work_on(first_cpu(cpu_online_map), &event_scan_work,
+                                 event_scan_delay);
 }
 
 static int __init rtas_init(void)
@@ -487,8 +488,7 @@ static int __init rtas_init(void)
         if (!entry)
                 printk(KERN_ERR "Failed to create error_log proc entry\n");
 
-        if (kernel_thread(rtasd, NULL, CLONE_FS) < 0)
-                printk(KERN_ERR "Failed to start RTAS daemon\n");
+        start_event_scan();
 
         return 0;
 }
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index ec341707e41b..8d75ea21296f 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -63,6 +63,7 @@
 #include <asm/smp.h>
 #include <asm/firmware.h>
 #include <asm/eeh.h>
+#include <asm/pSeries_reconfig.h>
 
 #include "plpar_wrappers.h"
 #include "pseries.h"
@@ -254,6 +255,29 @@ static void __init pseries_discover_pic(void)
                " interrupt-controller\n");
 }
 
+static int pci_dn_reconfig_notifier(struct notifier_block *nb, unsigned long action, void *node)
+{
+        struct device_node *np = node;
+        struct pci_dn *pci = NULL;
+        int err = NOTIFY_OK;
+
+        switch (action) {
+        case PSERIES_RECONFIG_ADD:
+                pci = np->parent->data;
+                if (pci)
+                        update_dn_pci_info(np, pci->phb);
+                break;
+        default:
+                err = NOTIFY_DONE;
+                break;
+        }
+        return err;
+}
+
+static struct notifier_block pci_dn_reconfig_nb = {
+        .notifier_call = pci_dn_reconfig_notifier,
+};
+
 static void __init pSeries_setup_arch(void)
 {
         /* Discover PIC type and setup ppc_md accordingly */
@@ -271,6 +295,7 @@ static void __init pSeries_setup_arch(void)
         /* Find and initialize PCI host bridges */
         init_pci_config_tokens();
         find_and_init_phbs();
+        pSeries_reconfig_notifier_register(&pci_dn_reconfig_nb);
         eeh_init();
 
         pSeries_nvram_init();