Merge branch 'linus' into stackprotector

Conflicts:
	arch/x86/include/asm/pda.h
	kernel/fork.c

11 files changed, 139 insertions, 395 deletions

diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 249ba01c667..3496bc05058 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -2,6 +2,7 @@ config BAMBOO
 	bool "Bamboo"
 	depends on 44x
 	default n
+	select PPC44x_SIMPLE
 	select 440EP
 	select PCI
 	help
@@ -30,6 +31,7 @@ config SEQUOIA
 	bool "Sequoia"
 	depends on 44x
 	default n
+	select PPC44x_SIMPLE
 	select 440EPX
 	help
 	  This option enables support for the AMCC PPC440EPX evaluation board.
@@ -38,6 +40,7 @@ config TAISHAN
 	bool "Taishan"
 	depends on 44x
 	default n
+	select PPC44x_SIMPLE
 	select 440GX
 	select PCI
 	help
@@ -48,6 +51,7 @@ config KATMAI
 	bool "Katmai"
 	depends on 44x
 	default n
+	select PPC44x_SIMPLE
 	select 440SPe
 	select PCI
 	select PPC4xx_PCI_EXPRESS
@@ -58,6 +62,7 @@ config RAINIER
 	bool "Rainier"
 	depends on 44x
 	default n
+	select PPC44x_SIMPLE
 	select 440GRX
 	select PCI
 	help
@@ -76,20 +81,48 @@ config WARP
 	  See http://www.pikatechnologies.com/ and follow the "PIKA for Computer
 	  Telephony Developers" link for more information.
 
+config ARCHES
+	bool "Arches"
+	depends on 44x
+	default n
+	select PPC44x_SIMPLE
+	select 460EX # Odd since it uses 460GT but the effects are the same
+	select PCI
+	select PPC4xx_PCI_EXPRESS
+	help
+	  This option enables support for the AMCC Dual PPC460GT evaluation board.
+
 config CANYONLANDS
 	bool "Canyonlands"
 	depends on 44x
 	default n
+	select PPC44x_SIMPLE
 	select 460EX
 	select PCI
 	select PPC4xx_PCI_EXPRESS
+	select IBM_NEW_EMAC_RGMII
+	select IBM_NEW_EMAC_ZMII
 	help
 	  This option enables support for the AMCC PPC460EX evaluation board.
 
+config GLACIER
+	bool "Glacier"
+	depends on 44x
+	default n
+	select PPC44x_SIMPLE
+	select 460EX # Odd since it uses 460GT but the effects are the same
+	select PCI
+	select PPC4xx_PCI_EXPRESS
+	select IBM_NEW_EMAC_RGMII
+	select IBM_NEW_EMAC_ZMII
+	help
+	  This option enables support for the AMCC PPC460GT evaluation board.
+
 config YOSEMITE
 	bool "Yosemite"
 	depends on 44x
 	default n
+	select PPC44x_SIMPLE
 	select 440EP
 	select PCI
 	help
@@ -127,6 +160,21 @@ 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 PPC44x_SIMPLE
+	bool "Simple PowerPC 44x board support"
+	depends on 44x
+	default n
+	help
+	  This option enables the simple PowerPC 44x platform support.
+
+config PPC4xx_GPIO
+	bool "PPC4xx GPIO support"
+	depends on 44x
+	select ARCH_REQUIRE_GPIOLIB
+	select GENERIC_GPIO
+	help
+	  Enable gpiolib support for ppc440 based boards
+
 # 44x specific CPU modules, selected based on the board above.
 config 440EP
 	bool
@@ -170,8 +218,6 @@ config 460EX
 	bool
 	select PPC_FPU
 	select IBM_NEW_EMAC_EMAC4
-	select IBM_NEW_EMAC_RGMII
-	select IBM_NEW_EMAC_ZMII
 	select IBM_NEW_EMAC_TAH
 
 # 44x errata/workaround config symbols, selected by the CPU models above
diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile
index 8d0b1a192d6..698133180ae 100644
--- a/arch/powerpc/platforms/44x/Makefile
+++ b/arch/powerpc/platforms/44x/Makefile
@@ -1,13 +1,7 @@
 obj-$(CONFIG_44x)	:= misc_44x.o idle.o
+obj-$(CONFIG_PPC44x_SIMPLE) += ppc44x_simple.o
 obj-$(CONFIG_EBONY)	+= ebony.o
-obj-$(CONFIG_TAISHAN)	+= taishan.o
-obj-$(CONFIG_BAMBOO)	+= bamboo.o
-obj-$(CONFIG_YOSEMITE)	+= bamboo.o
 obj-$(CONFIG_SAM440EP) 	+= sam440ep.o
-obj-$(CONFIG_SEQUOIA)	+= sequoia.o
-obj-$(CONFIG_KATMAI)	+= katmai.o
-obj-$(CONFIG_RAINIER)	+= rainier.o
 obj-$(CONFIG_WARP)	+= warp.o
 obj-$(CONFIG_WARP)	+= warp-nand.o
-obj-$(CONFIG_CANYONLANDS) += canyonlands.o
 obj-$(CONFIG_XILINX_VIRTEX_5_FXT) += virtex.o
diff --git a/arch/powerpc/platforms/44x/bamboo.c b/arch/powerpc/platforms/44x/bamboo.c
deleted file mode 100644
index cef169e9515..00000000000
--- a/arch/powerpc/platforms/44x/bamboo.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Bamboo board specific routines
- *
- * Wade Farnsworth <wfarnsworth@mvista.com>
- * Copyright 2004 MontaVista Software Inc.
- *
- * Rewritten and ported to the merged powerpc tree:
- * 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 bamboo_of_bus[] = {
-	{ .compatible = "ibm,plb4", },
-	{ .compatible = "ibm,opb", },
-	{ .compatible = "ibm,ebc", },
-	{},
-};
-
-static int __init bamboo_device_probe(void)
-{
-	of_platform_bus_probe(NULL, bamboo_of_bus, NULL);
-
-	return 0;
-}
-machine_device_initcall(bamboo, bamboo_device_probe);
-
-static int __init bamboo_probe(void)
-{
-	unsigned long root = of_get_flat_dt_root();
-
-	if (!of_flat_dt_is_compatible(root, "amcc,bamboo"))
-		return 0;
-
-	ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
-
-	return 1;
-}
-
-define_machine(bamboo) {
-	.name 			= "Bamboo",
-	.probe 			= bamboo_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/44x/canyonlands.c b/arch/powerpc/platforms/44x/canyonlands.c
deleted file mode 100644
index 3949289f51d..00000000000
--- a/arch/powerpc/platforms/44x/canyonlands.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Canyonlands board specific routines
- *
- * Copyright 2008 DENX Software Engineering, Stefan Roese <sr@denx.de>
- *
- * Based on the Katmai code by
- * Benjamin Herrenschmidt <benh@kernel.crashing.org>
- * Copyright 2007 IBM Corp.
- * 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 canyonlands_of_bus[] = {
-	{ .compatible = "ibm,plb4", },
-	{ .compatible = "ibm,opb", },
-	{ .compatible = "ibm,ebc", },
-	{},
-};
-
-static int __init canyonlands_device_probe(void)
-{
-	of_platform_bus_probe(NULL, canyonlands_of_bus, NULL);
-
-	return 0;
-}
-machine_device_initcall(canyonlands, canyonlands_device_probe);
-
-static int __init canyonlands_probe(void)
-{
-	unsigned long root = of_get_flat_dt_root();
-
-	if (!of_flat_dt_is_compatible(root, "amcc,canyonlands"))
-		return 0;
-
-	ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
-
-	return 1;
-}
-
-define_machine(canyonlands) {
-	.name 				= "Canyonlands",
-	.probe 				= canyonlands_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/44x/ebony.c b/arch/powerpc/platforms/44x/ebony.c
index a0e8fe4662f..88b9117fa69 100644
--- a/arch/powerpc/platforms/44x/ebony.c
+++ b/arch/powerpc/platforms/44x/ebony.c
@@ -54,7 +54,7 @@ static int __init ebony_probe(void)
 	if (!of_flat_dt_is_compatible(root, "ibm,ebony"))
 		return 0;
 
-	ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
+	ppc_pci_set_flags(PPC_PCI_REASSIGN_ALL_RSRC);
 
 	return 1;
 }
diff --git a/arch/powerpc/platforms/44x/katmai.c b/arch/powerpc/platforms/44x/katmai.c
deleted file mode 100644
index 44f4b3a00ce..00000000000
--- a/arch/powerpc/platforms/44x/katmai.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Katmai board specific routines
- *
- * Benjamin Herrenschmidt <benh@kernel.crashing.org>
- * Copyright 2007 IBM Corp.
- *
- * Based on the Bamboo 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 katmai_of_bus[] = {
-	{ .compatible = "ibm,plb4", },
-	{ .compatible = "ibm,opb", },
-	{ .compatible = "ibm,ebc", },
-	{},
-};
-
-static int __init katmai_device_probe(void)
-{
-	of_platform_bus_probe(NULL, katmai_of_bus, NULL);
-
-	return 0;
-}
-machine_device_initcall(katmai, katmai_device_probe);
-
-static int __init katmai_probe(void)
-{
-	unsigned long root = of_get_flat_dt_root();
-
-	if (!of_flat_dt_is_compatible(root, "amcc,katmai"))
-		return 0;
-
-	ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
-
-	return 1;
-}
-
-define_machine(katmai) {
-	.name 				= "Katmai",
-	.probe 				= katmai_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/44x/ppc44x_simple.c b/arch/powerpc/platforms/44x/ppc44x_simple.c
new file mode 100644
index 00000000000..76fdc51dac8
--- /dev/null
+++ b/arch/powerpc/platforms/44x/ppc44x_simple.c
@@ -0,0 +1,88 @@
+/*
+ * Generic PowerPC 44x platform support
+ *
+ * Copyright 2008 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; version 2 of the License.
+ *
+ * This implements simple platform support for PowerPC 44x chips.  This is
+ * mostly used for eval boards or other simple and "generic" 44x boards.  If
+ * your board has custom functions or hardware, then you will likely want to
+ * implement your own board.c file to accommodate it.
+ */
+
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <asm/ppc4xx.h>
+#include <asm/prom.h>
+#include <asm/time.h>
+#include <asm/udbg.h>
+#include <asm/uic.h>
+
+#include <linux/init.h>
+#include <linux/of_platform.h>
+
+static __initdata struct of_device_id ppc44x_of_bus[] = {
+	{ .compatible = "ibm,plb4", },
+	{ .compatible = "ibm,opb", },
+	{ .compatible = "ibm,ebc", },
+	{ .compatible = "simple-bus", },
+	{},
+};
+
+static int __init ppc44x_device_probe(void)
+{
+	of_platform_bus_probe(NULL, ppc44x_of_bus, NULL);
+
+	return 0;
+}
+machine_device_initcall(ppc44x_simple, ppc44x_device_probe);
+
+/* This is the list of boards that can be supported by this simple
+ * platform code.  This does _not_ mean the boards are compatible,
+ * as they most certainly are not from a device tree perspective.
+ * However, their differences are handled by the device tree and the
+ * drivers and therefore they don't need custom board support files.
+ *
+ * Again, if your board needs to do things differently then create a
+ * board.c file for it rather than adding it to this list.
+ */
+static char *board[] __initdata = {
+	"amcc,arches",
+	"amcc,bamboo",
+	"amcc,canyonlands",
+	"amcc,glacier",
+	"ibm,ebony",
+	"amcc,katmai",
+	"amcc,rainier",
+	"amcc,sequoia",
+	"amcc,taishan",
+	"amcc,yosemite"
+};
+
+static int __init ppc44x_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+	int i = 0;
+
+	for (i = 0; i < ARRAY_SIZE(board); i++) {
+		if (of_flat_dt_is_compatible(root, board[i])) {
+			ppc_pci_set_flags(PPC_PCI_REASSIGN_ALL_RSRC);
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+define_machine(ppc44x_simple) {
+	.name = "PowerPC 44x Platform",
+	.probe = ppc44x_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/44x/rainier.c b/arch/powerpc/platforms/44x/rainier.c
deleted file mode 100644
index 4f1ff84c4b6..00000000000
--- a/arch/powerpc/platforms/44x/rainier.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Rainier board specific routines
- *
- * Valentine Barshak <vbarshak@ru.mvista.com>
- * Copyright 2007 MontaVista Software Inc.
- *
- * Based on the Bamboo 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 rainier_of_bus[] = {
-	{ .compatible = "ibm,plb4", },
-	{ .compatible = "ibm,opb", },
-	{ .compatible = "ibm,ebc", },
-	{},
-};
-
-static int __init rainier_device_probe(void)
-{
-	of_platform_bus_probe(NULL, rainier_of_bus, NULL);
-
-	return 0;
-}
-machine_device_initcall(rainier, rainier_device_probe);
-
-static int __init rainier_probe(void)
-{
-	unsigned long root = of_get_flat_dt_root();
-
-	if (!of_flat_dt_is_compatible(root, "amcc,rainier"))
-		return 0;
-
-	ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
-
-	return 1;
-}
-
-define_machine(rainier) {
-	.name 				= "Rainier",
-	.probe 				= rainier_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/44x/sam440ep.c b/arch/powerpc/platforms/44x/sam440ep.c
index 47f10e64773..a78e8eb6da4 100644
--- a/arch/powerpc/platforms/44x/sam440ep.c
+++ b/arch/powerpc/platforms/44x/sam440ep.c
@@ -51,7 +51,7 @@ static int __init sam440ep_probe(void)
 	if (!of_flat_dt_is_compatible(root, "acube,sam440ep"))
 		return 0;
 
-	ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
+	ppc_pci_set_flags(PPC_PCI_REASSIGN_ALL_RSRC);
 
 	return 1;
 }
diff --git a/arch/powerpc/platforms/44x/sequoia.c b/arch/powerpc/platforms/44x/sequoia.c
deleted file mode 100644
index 49eb73daacd..00000000000
--- a/arch/powerpc/platforms/44x/sequoia.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Sequoia board specific routines
- *
- * Valentine Barshak <vbarshak@ru.mvista.com>
- * Copyright 2007 MontaVista Software Inc.
- *
- * Based on the Bamboo 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 sequoia_of_bus[] = {
-	{ .compatible = "ibm,plb4", },
-	{ .compatible = "ibm,opb", },
-	{ .compatible = "ibm,ebc", },
-	{},
-};
-
-static int __init sequoia_device_probe(void)
-{
-	of_platform_bus_probe(NULL, sequoia_of_bus, NULL);
-
-	return 0;
-}
-machine_device_initcall(sequoia, sequoia_device_probe);
-
-static int __init sequoia_probe(void)
-{
-	unsigned long root = of_get_flat_dt_root();
-
-	if (!of_flat_dt_is_compatible(root, "amcc,sequoia"))
-		return 0;
-
-	ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
-
-	return 1;
-}
-
-define_machine(sequoia) {
-	.name 				= "Sequoia",
-	.probe 				= sequoia_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/44x/taishan.c b/arch/powerpc/platforms/44x/taishan.c
deleted file mode 100644
index 49c78b2098b..00000000000
--- a/arch/powerpc/platforms/44x/taishan.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Taishan board specific routines based off ebony.c code
- * original copyrights below
- *
- * Matt Porter <mporter@kernel.crashing.org>
- * Copyright 2002-2005 MontaVista Software Inc.
- *
- * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- * Copyright (c) 2003-2005 Zultys Technologies
- *
- * Rewritten and ported to the merged powerpc tree:
- * Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation.
- *
- * Modified from ebony.c for taishan:
- * Copyright 2007 Hugh Blemings <hugh@au.ibm.com>, 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 taishan_of_bus[] = {
-	{ .compatible = "ibm,plb4", },
-	{ .compatible = "ibm,opb", },
-	{ .compatible = "ibm,ebc", },
-	{},
-};
-
-static int __init taishan_device_probe(void)
-{
-	of_platform_bus_probe(NULL, taishan_of_bus, NULL);
-
-	return 0;
-}
-machine_device_initcall(taishan, taishan_device_probe);
-
-/*
- * Called very early, MMU is off, device-tree isn't unflattened
- */
-static int __init taishan_probe(void)
-{
-	unsigned long root = of_get_flat_dt_root();
-
-	if (!of_flat_dt_is_compatible(root, "amcc,taishan"))
-		return 0;
-
-	ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
-
-	return 1;
-}
-
-define_machine(taishan) {
-	.name			= "Taishan",
-	.probe			= taishan_probe,
-	.progress		= udbg_progress,
-	.init_IRQ		= uic_init_tree,
-	.get_irq		= uic_get_irq,
-	.restart		= ppc4xx_reset_system,
-	.calibrate_decr		= generic_calibrate_decr,
-};