Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (34 commits)
  [POWERPC] 86xx: Cleaned up platform dts files
  [POWERPC] 85xx: Renamed MPC8568 MDS board code to match other boards
  [POWERPC] 85xx: Cleaning up machine probing
  [POWERPC] QE: clean up ucc_slow.c and ucc_fast.c
  [POWERPC] 85xx: Cleaned up platform dts files
  [POWERPC] 83xx: Renamed MPC8323 MDS dts and defconfig to match other boards
  [POWERPC] 83xx: Updated and renamed MPC8360PB to MPC836x MDS
  [POWERPC] 83xx: Use of_platform_bus_probe to setup QE devices
  [POWERPC] 83xx: use default value of loops_per_jiffy
  [POWERPC] 83xx: Remove obsolete setting of ROOT_DEV.
  [POWERPC] 83xx: Cleaning up machine probing and board initcalls
  [POWERPC] Dispose irq mapping when done in mpc52xx_serial.c
  [POWERPC] 86xx: Add missing of_node_put() in mpc86xx_hpcn_init_irq().
  [POWERPC] 8[56]xx: Remove obsolete setting of ROOT_DEV for 85xx and 86xx platforms.
  [POWERPC] pseries: Enabling auto poweron after power is restored.
  [POWERPC] use winbond libata instead of ide driver for pseries CD drives
  [POWERPC] powerpc: remove references to the obsolete linux,platform property
  [POWERPC] add of_get_mac_address and update fsl_soc.c to use it
  [POWERPC] 83xx: Cleaned up 83xx platform dts files
  [POWERPC] Fix bug with early ioremap and 64k pages
  ...

21 files changed, 253 insertions, 242 deletions

diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig
index 1aea1e69ff31..713b31a16ce9 100644
--- a/arch/powerpc/platforms/83xx/Kconfig
+++ b/arch/powerpc/platforms/83xx/Kconfig
@@ -38,12 +38,12 @@ config MPC834x_ITX
 	  Be aware that PCI initialization is the bootloader's
 	  responsibility.
 
-config MPC8360E_PB
-	bool "Freescale MPC8360E PB"
+config MPC836x_MDS
+	bool "Freescale MPC836x MDS"
 	select DEFAULT_UIMAGE
 	select QUICC_ENGINE
 	help
-	  This option enables support for the MPC836x EMDS Processor Board.
+	  This option enables support for the MPC836x MDS Processor Board.
 
 endchoice
 
@@ -69,6 +69,6 @@ config PPC_MPC836x
 	bool
 	select PPC_UDBG_16550
 	select PPC_INDIRECT_PCI
-	default y if MPC8360E_PB
+	default y if MPC836x_MDS
 
 endmenu
diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile
index 6c8199c4c382..dfc970d0df10 100644
--- a/arch/powerpc/platforms/83xx/Makefile
+++ b/arch/powerpc/platforms/83xx/Makefile
@@ -6,5 +6,5 @@ obj-$(CONFIG_PCI)		+= pci.o
 obj-$(CONFIG_MPC8313_RDB)	+= mpc8313_rdb.o
 obj-$(CONFIG_MPC834x_MDS)	+= mpc834x_mds.o
 obj-$(CONFIG_MPC834x_ITX)	+= mpc834x_itx.o
-obj-$(CONFIG_MPC8360E_PB)	+= mpc8360e_pb.o
+obj-$(CONFIG_MPC836x_MDS)	+= mpc836x_mds.o
 obj-$(CONFIG_MPC832x_MDS)	+= mpc832x_mds.o
diff --git a/arch/powerpc/platforms/83xx/mpc8313_rdb.c b/arch/powerpc/platforms/83xx/mpc8313_rdb.c
index c3b98c34eb6b..32e9e9492841 100644
--- a/arch/powerpc/platforms/83xx/mpc8313_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc8313_rdb.c
@@ -74,16 +74,9 @@ void __init mpc8313_rdb_init_IRQ(void)
  */
 static int __init mpc8313_rdb_probe(void)
 {
-	char *model = of_get_flat_dt_prop(of_get_flat_dt_root(),
-					  "model", NULL);
-	if (model == NULL)
-		return 0;
-	if (strcmp(model, "MPC8313ERDB"))
-		return 0;
+        unsigned long root = of_get_flat_dt_root();
 
-	DBG("MPC8313 RDB found\n");
-
-	return 1;
+        return of_flat_dt_is_compatible(root, "MPC8313ERDB");
 }
 
 define_machine(mpc8313_rdb) {
diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c
index 3ecb55f8a6e2..17e3a3c6d8b4 100644
--- a/arch/powerpc/platforms/83xx/mpc832x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c
@@ -57,11 +57,6 @@ unsigned long isa_mem_base = 0;
 
 static u8 *bcsr_regs = NULL;
 
-u8 *get_bcsr(void)
-{
-	return bcsr_regs;
-}
-
 /* ************************************************************************
  *
  * Setup the architecture
@@ -74,17 +69,6 @@ static void __init mpc832x_sys_setup_arch(void)
 	if (ppc_md.progress)
 		ppc_md.progress("mpc832x_sys_setup_arch()", 0);
 
-	np = of_find_node_by_type(NULL, "cpu");
-	if (np != 0) {
-		unsigned int *fp =
-		    (int *)get_property(np, "clock-frequency", NULL);
-		if (fp != 0)
-			loops_per_jiffy = *fp / HZ;
-		else
-			loops_per_jiffy = 50000000 / HZ;
-		of_node_put(np);
-	}
-
 	/* Map BCSR area */
 	np = of_find_node_by_name(NULL, "bcsr");
 	if (np != 0) {
@@ -121,34 +105,23 @@ static void __init mpc832x_sys_setup_arch(void)
 		iounmap(bcsr_regs);
 		of_node_put(np);
 	}
-
 #endif				/* CONFIG_QUICC_ENGINE */
-
-#ifdef CONFIG_BLK_DEV_INITRD
-	if (initrd_start)
-		ROOT_DEV = Root_RAM0;
-	else
-#endif
-#ifdef  CONFIG_ROOT_NFS
-		ROOT_DEV = Root_NFS;
-#else
-		ROOT_DEV = Root_HDA1;
-#endif
 }
 
+static struct of_device_id mpc832x_ids[] = {
+	{ .type = "soc", },
+	{ .compatible = "soc", },
+	{ .type = "qe", },
+	{},
+};
+
 static int __init mpc832x_declare_of_platform_devices(void)
 {
-	struct device_node *np;
-
-	for (np = NULL; (np = of_find_compatible_node(np, "network",
-					"ucc_geth")) != NULL;) {
-		int ucc_num;
-		char bus_id[BUS_ID_SIZE];
+	if (!machine_is(mpc832x_mds))
+		return 0;
 
-		ucc_num = *((uint *) get_property(np, "device-id", NULL)) - 1;
-		snprintf(bus_id, BUS_ID_SIZE, "ucc_geth.%u", ucc_num);
-		of_platform_device_create(np, bus_id, NULL);
-	}
+	/* Publish the QE devices */
+	of_platform_bus_probe(NULL, mpc832x_ids, NULL);
 
 	return 0;
 }
@@ -156,7 +129,6 @@ device_initcall(mpc832x_declare_of_platform_devices);
 
 static void __init mpc832x_sys_init_IRQ(void)
 {
-
 	struct device_node *np;
 
 	np = of_find_node_by_type(NULL, "ipic");
@@ -189,6 +161,9 @@ static int __init mpc832x_rtc_hookup(void)
 {
 	struct timespec tv;
 
+	if (!machine_is(mpc832x_mds))
+		return 0;
+
 	ppc_md.get_rtc_time = ds1374_get_rtc_time;
 	ppc_md.set_rtc_time = ds1374_set_rtc_time;
 
@@ -207,17 +182,9 @@ late_initcall(mpc832x_rtc_hookup);
  */
 static int __init mpc832x_sys_probe(void)
 {
-	char *model = of_get_flat_dt_prop(of_get_flat_dt_root(),
-					  "model", NULL);
-
-	if (model == NULL)
-		return 0;
-	if (strcmp(model, "MPC8323EMDS"))
-		return 0;
-
-	DBG("%s found\n", model);
+        unsigned long root = of_get_flat_dt_root();
 
-	return 1;
+        return of_flat_dt_is_compatible(root, "MPC832xMDS");
 }
 
 define_machine(mpc832x_mds) {
diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.c b/arch/powerpc/platforms/83xx/mpc834x_itx.c
index 443a3172f370..3c009f6d4a4f 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_itx.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_itx.c
@@ -55,28 +55,12 @@ static void __init mpc834x_itx_setup_arch(void)
 	if (ppc_md.progress)
 		ppc_md.progress("mpc834x_itx_setup_arch()", 0);
 
-	np = of_find_node_by_type(NULL, "cpu");
-	if (np != 0) {
-		const unsigned int *fp =
-			get_property(np, "clock-frequency", NULL);
-		if (fp != 0)
-			loops_per_jiffy = *fp / HZ;
-		else
-			loops_per_jiffy = 50000000 / HZ;
-		of_node_put(np);
-	}
 #ifdef CONFIG_PCI
 	for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
 		add_bridge(np);
 
 	ppc_md.pci_exclude_device = mpc83xx_exclude_device;
 #endif
-
-#ifdef  CONFIG_ROOT_NFS
-	ROOT_DEV = Root_NFS;
-#else
-	ROOT_DEV = Root_HDA1;
-#endif
 }
 
 static void __init mpc834x_itx_init_IRQ(void)
@@ -100,10 +84,9 @@ static void __init mpc834x_itx_init_IRQ(void)
  */
 static int __init mpc834x_itx_probe(void)
 {
-	/* We always match for now, eventually we should look at the flat
-	   dev tree to ensure this is the board we are suppose to run on
-	*/
-	return 1;
+        unsigned long root = of_get_flat_dt_root();
+
+        return of_flat_dt_is_compatible(root, "MPC834xMITX");
 }
 
 define_machine(mpc834x_itx) {
diff --git a/arch/powerpc/platforms/83xx/mpc834x_mds.c b/arch/powerpc/platforms/83xx/mpc834x_mds.c
index d2736da76c46..e5d819166874 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_mds.c
@@ -125,17 +125,6 @@ static void __init mpc834x_mds_setup_arch(void)
 	if (ppc_md.progress)
 		ppc_md.progress("mpc834x_mds_setup_arch()", 0);
 
-	np = of_find_node_by_type(NULL, "cpu");
-	if (np != 0) {
-		const unsigned int *fp =
-			get_property(np, "clock-frequency", NULL);
-		if (fp != 0)
-			loops_per_jiffy = *fp / HZ;
-		else
-			loops_per_jiffy = 50000000 / HZ;
-		of_node_put(np);
-	}
-
 #ifdef CONFIG_PCI
 	for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
 		add_bridge(np);
@@ -144,12 +133,6 @@ static void __init mpc834x_mds_setup_arch(void)
 #endif
 
 	mpc834x_usb_cfg();
-
-#ifdef  CONFIG_ROOT_NFS
-	ROOT_DEV = Root_NFS;
-#else
-	ROOT_DEV = Root_HDA1;
-#endif
 }
 
 static void __init mpc834x_mds_init_IRQ(void)
@@ -176,6 +159,9 @@ static int __init mpc834x_rtc_hookup(void)
 {
 	struct timespec tv;
 
+	if (!machine_is(mpc834x_mds))
+		return 0;
+
 	ppc_md.get_rtc_time = ds1374_get_rtc_time;
 	ppc_md.set_rtc_time = ds1374_set_rtc_time;
 
@@ -194,10 +180,9 @@ late_initcall(mpc834x_rtc_hookup);
  */
 static int __init mpc834x_mds_probe(void)
 {
-	/* We always match for now, eventually we should look at the flat
-	   dev tree to ensure this is the board we are suppose to run on
-	*/
-	return 1;
+        unsigned long root = of_get_flat_dt_root();
+
+        return of_flat_dt_is_compatible(root, "MPC834xMDS");
 }
 
 define_machine(mpc834x_mds) {
diff --git a/arch/powerpc/platforms/83xx/mpc8360e_pb.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c
index ccce2f9f283d..526ed090a446 100644
--- a/arch/powerpc/platforms/83xx/mpc8360e_pb.c
+++ b/arch/powerpc/platforms/83xx/mpc836x_mds.c
@@ -5,12 +5,12 @@
  *	   Yin Olivia <Hong-hua.Yin@freescale.com>
  *
  * Description:
- * MPC8360E MDS PB board specific routines.
+ * MPC8360E MDS board specific routines.
  *
  * Changelog:
  * Jun 21, 2006	Initial version
  *
- * This program is free software; you can redistribute  it and/or modify it
+ * 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.
@@ -62,33 +62,17 @@ unsigned long isa_mem_base = 0;
 
 static u8 *bcsr_regs = NULL;
 
-u8 *get_bcsr(void)
-{
-	return bcsr_regs;
-}
-
 /* ************************************************************************
  *
  * Setup the architecture
  *
  */
-static void __init mpc8360_sys_setup_arch(void)
+static void __init mpc836x_mds_setup_arch(void)
 {
 	struct device_node *np;
 
 	if (ppc_md.progress)
-		ppc_md.progress("mpc8360_sys_setup_arch()", 0);
-
-	np = of_find_node_by_type(NULL, "cpu");
-	if (np != 0) {
-		const unsigned int *fp =
-		    get_property(np, "clock-frequency", NULL);
-		if (fp != 0)
-			loops_per_jiffy = *fp / HZ;
-		else
-			loops_per_jiffy = 50000000 / HZ;
-		of_node_put(np);
-	}
+		ppc_md.progress("mpc836x_mds_setup_arch()", 0);
 
 	/* Map BCSR area */
 	np = of_find_node_by_name(NULL, "bcsr");
@@ -128,40 +112,29 @@ static void __init mpc8360_sys_setup_arch(void)
 	}
 
 #endif				/* CONFIG_QUICC_ENGINE */
-
-#ifdef CONFIG_BLK_DEV_INITRD
-	if (initrd_start)
-		ROOT_DEV = Root_RAM0;
-	else
-#endif
-#ifdef  CONFIG_ROOT_NFS
-		ROOT_DEV = Root_NFS;
-#else
-		ROOT_DEV = Root_HDA1;
-#endif
 }
 
-static int __init mpc8360_declare_of_platform_devices(void)
-{
-	struct device_node *np;
+static struct of_device_id mpc836x_ids[] = {
+	{ .type = "soc", },
+	{ .compatible = "soc", },
+	{ .type = "qe", },
+	{},
+};
 
-	for (np = NULL; (np = of_find_compatible_node(np, "network",
-					"ucc_geth")) != NULL;) {
-		int ucc_num;
-		char bus_id[BUS_ID_SIZE];
+static int __init mpc836x_declare_of_platform_devices(void)
+{
+	if (!machine_is(mpc836x_mds))
+		return 0;
 
-		ucc_num = *((uint *) get_property(np, "device-id", NULL)) - 1;
-		snprintf(bus_id, BUS_ID_SIZE, "ucc_geth.%u", ucc_num);
-		of_platform_device_create(np, bus_id, NULL);
-	}
+	/* Publish the QE devices */
+	of_platform_bus_probe(NULL, mpc836x_ids, NULL);
 
 	return 0;
 }
-device_initcall(mpc8360_declare_of_platform_devices);
+device_initcall(mpc836x_declare_of_platform_devices);
 
-static void __init mpc8360_sys_init_IRQ(void)
+static void __init mpc836x_mds_init_IRQ(void)
 {
-
 	struct device_node *np;
 
 	np = of_find_node_by_type(NULL, "ipic");
@@ -194,6 +167,9 @@ static int __init mpc8360_rtc_hookup(void)
 {
 	struct timespec tv;
 
+	if (!machine_is(mpc836x_mds))
+		return 0;
+
 	ppc_md.get_rtc_time = ds1374_get_rtc_time;
 	ppc_md.set_rtc_time = ds1374_set_rtc_time;
 
@@ -210,28 +186,21 @@ late_initcall(mpc8360_rtc_hookup);
 /*
  * Called very early, MMU is off, device-tree isn't unflattened
  */
-static int __init mpc8360_sys_probe(void)
+static int __init mpc836x_mds_probe(void)
 {
-	char *model = of_get_flat_dt_prop(of_get_flat_dt_root(),
-					  "model", NULL);
-	if (model == NULL)
-		return 0;
-	if (strcmp(model, "MPC8360EPB"))
-		return 0;
-
-	DBG("MPC8360EMDS-PB found\n");
+        unsigned long root = of_get_flat_dt_root();
 
-	return 1;
+        return of_flat_dt_is_compatible(root, "MPC836xMDS");
 }
 
-define_machine(mpc8360_sys) {
-	.name 		= "MPC8360E PB",
-	.probe 		= mpc8360_sys_probe,
-	.setup_arch 	= mpc8360_sys_setup_arch,
-	.init_IRQ 	= mpc8360_sys_init_IRQ,
-	.get_irq 	= ipic_get_irq,
-	.restart 	= mpc83xx_restart,
-	.time_init 	= mpc83xx_time_init,
+define_machine(mpc836x_mds) {
+	.name		= "MPC836x MDS",
+	.probe		= mpc836x_mds_probe,
+	.setup_arch	= mpc836x_mds_setup_arch,
+	.init_IRQ	= mpc836x_mds_init_IRQ,
+	.get_irq	= ipic_get_irq,
+	.restart	= mpc83xx_restart,
+	.time_init	= mpc83xx_time_init,
 	.calibrate_decr	= generic_calibrate_decr,
-	.progress 	= udbg_progress,
+	.progress	= udbg_progress,
 };
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 0efdd2f1babe..eb661ccf2dab 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -23,12 +23,12 @@ config MPC85xx_CDS
 	help
 	  This option enables support for the MPC85xx CDS board
 
-config MPC8568_MDS
-	bool "Freescale MPC8568 MDS"
+config MPC85xx_MDS
+	bool "Freescale MPC85xx MDS"
 	select DEFAULT_UIMAGE
 #	select QUICC_ENGINE
 	help
-	  This option enables support for the MPC8568 MDS board
+	  This option enables support for the MPC85xx MDS board
 
 endchoice
 
@@ -47,7 +47,7 @@ config MPC85xx
 	bool
 	select PPC_UDBG_16550
 	select PPC_INDIRECT_PCI
-	default y if MPC8540_ADS || MPC85xx_CDS || MPC8560_ADS || MPC8568_MDS
+	default y if MPC8540_ADS || MPC85xx_CDS || MPC8560_ADS || MPC85xx_MDS
 
 config PPC_INDIRECT_PCI_BE
 	bool
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index e40e521816b8..4e63917ada9d 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -5,4 +5,4 @@ obj-$(CONFIG_PPC_85xx)	+= misc.o pci.o
 obj-$(CONFIG_MPC8540_ADS) += mpc85xx_ads.o
 obj-$(CONFIG_MPC8560_ADS) += mpc85xx_ads.o
 obj-$(CONFIG_MPC85xx_CDS) += mpc85xx_cds.o
-obj-$(CONFIG_MPC8568_MDS) += mpc8568_mds.o
+obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
index c56fce57621c..8ed034aeca5f 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
@@ -17,7 +17,6 @@
 #include <linux/kdev_t.h>
 #include <linux/delay.h>
 #include <linux/seq_file.h>
-#include <linux/root_dev.h>
 
 #include <asm/system.h>
 #include <asm/time.h>
@@ -245,12 +244,6 @@ static void __init mpc85xx_ads_setup_arch(void)
 		add_bridge(np);
 	ppc_md.pci_exclude_device = mpc85xx_exclude_device;
 #endif
-
-#ifdef  CONFIG_ROOT_NFS
-	ROOT_DEV = Root_NFS;
-#else
-	ROOT_DEV = Root_HDA1;
-#endif
 }
 
 static void mpc85xx_ads_show_cpuinfo(struct seq_file *m)
@@ -279,10 +272,9 @@ static void mpc85xx_ads_show_cpuinfo(struct seq_file *m)
  */
 static int __init mpc85xx_ads_probe(void)
 {
-	/* We always match for now, eventually we should look at the flat
-	   dev tree to ensure this is the board we are suppose to run on
-	*/
-	return 1;
+        unsigned long root = of_get_flat_dt_root();
+
+        return of_flat_dt_is_compatible(root, "MPC85xxADS");
 }
 
 define_machine(mpc85xx_ads) {
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
index abc0aca6de40..4232686be441 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
@@ -22,7 +22,6 @@
 #include <linux/console.h>
 #include <linux/delay.h>
 #include <linux/seq_file.h>
-#include <linux/root_dev.h>
 #include <linux/initrd.h>
 #include <linux/module.h>
 #include <linux/fsl_devices.h>
@@ -263,12 +262,6 @@ static void __init mpc85xx_cds_setup_arch(void)
 	ppc_md.pcibios_fixup = mpc85xx_cds_pcibios_fixup;
 	ppc_md.pci_exclude_device = mpc85xx_exclude_device;
 #endif
-
-#ifdef  CONFIG_ROOT_NFS
-	ROOT_DEV = Root_NFS;
-#else
-	ROOT_DEV = Root_HDA1;
-#endif
 }
 
 static void mpc85xx_cds_show_cpuinfo(struct seq_file *m)
@@ -298,11 +291,9 @@ static void mpc85xx_cds_show_cpuinfo(struct seq_file *m)
  */
 static int __init mpc85xx_cds_probe(void)
 {
-	/* We always match for now, eventually we should look at
-	 * the flat dev tree to ensure this is the board we are
-	 * supposed to run on
-	 */
-	return 1;
+        unsigned long root = of_get_flat_dt_root();
+
+        return of_flat_dt_is_compatible(root, "MPC85xxCDS");
 }
 
 define_machine(mpc85xx_cds) {
diff --git a/arch/powerpc/platforms/85xx/mpc8568_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index 0861d1107bc8..81144d2ae455 100644
--- a/arch/powerpc/platforms/85xx/mpc8568_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -8,7 +8,7 @@
  *	   Yin Olivia <Hong-hua.Yin@freescale.com>
  *
  * Description:
- * MPC8568E MDS PB board specific routines.
+ * MPC85xx MDS board specific routines.
  *
  * 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
@@ -27,7 +27,6 @@
 #include <linux/console.h>
 #include <linux/delay.h>
 #include <linux/seq_file.h>
-#include <linux/root_dev.h>
 #include <linux/initrd.h>
 #include <linux/module.h>
 #include <linux/fsl_devices.h>
@@ -70,14 +69,13 @@ unsigned long isa_mem_base = 0;
  * Setup the architecture
  *
  */
-static void __init mpc8568_mds_setup_arch(void)
+static void __init mpc85xx_mds_setup_arch(void)
 {
 	struct device_node *np;
 	static u8 *bcsr_regs = NULL;
 
-
 	if (ppc_md.progress)
-		ppc_md.progress("mpc8568_mds_setup_arch()", 0);
+		ppc_md.progress("mpc85xx_mds_setup_arch()", 0);
 
 	np = of_find_node_by_type(NULL, "cpu");
 	if (np != NULL) {
@@ -145,26 +143,26 @@ static void __init mpc8568_mds_setup_arch(void)
 #endif	/* CONFIG_QUICC_ENGINE */
 }
 
-static struct of_device_id mpc8568_ids[] = {
+static struct of_device_id mpc85xx_ids[] = {
 	{ .type = "soc", },
 	{ .compatible = "soc", },
 	{ .type = "qe", },
 	{},
 };
 
-static int __init mpc8568_publish_devices(void)
+static int __init mpc85xx_publish_devices(void)
 {
-	if (!machine_is(mpc8568_mds))
+	if (!machine_is(mpc85xx_mds))
 		return 0;
 
 	/* Publish the QE devices */
-	of_platform_bus_probe(NULL,mpc8568_ids,NULL);
+	of_platform_bus_probe(NULL,mpc85xx_ids,NULL);
 
 	return 0;
 }
-device_initcall(mpc8568_publish_devices);
+device_initcall(mpc85xx_publish_devices);
 
-static void __init mpc8568_mds_pic_init(void)
+static void __init mpc85xx_mds_pic_init(void)
 {
 	struct mpic *mpic;
 	struct resource r;
@@ -207,7 +205,6 @@ static void __init mpc8568_mds_pic_init(void)
 
 	mpic_init(mpic);
 
-
 #ifdef CONFIG_QUICC_ENGINE
 	np = of_find_node_by_type(NULL, "qeic");
 	if (!np)
@@ -218,27 +215,18 @@ static void __init mpc8568_mds_pic_init(void)
 #endif				/* CONFIG_QUICC_ENGINE */
 }
 
-
-static int __init mpc8568_mds_probe(void)
+static int __init mpc85xx_mds_probe(void)
 {
-	char *model = of_get_flat_dt_prop(of_get_flat_dt_root(),
-					  "model", NULL);
-	if (model == NULL)
-		return 0;
-	if (strcmp(model, "MPC8568EMDS"))
-		return 0;
-
-	DBG("MPC8568EMDS found\n");
+        unsigned long root = of_get_flat_dt_root();
 
-	return 1;
+        return of_flat_dt_is_compatible(root, "MPC85xxMDS");
 }
 
-
-define_machine(mpc8568_mds) {
-	.name		= "MPC8568E MDS",
-	.probe		= mpc8568_mds_probe,
-	.setup_arch	= mpc8568_mds_setup_arch,
-	.init_IRQ	= mpc8568_mds_pic_init,
+define_machine(mpc85xx_mds) {
+	.name		= "MPC85xx MDS",
+	.probe		= mpc85xx_mds_probe,
+	.setup_arch	= mpc85xx_mds_setup_arch,
+	.init_IRQ	= mpc85xx_mds_pic_init,
 	.get_irq	= mpic_get_irq,
 	.restart	= mpc85xx_restart,
 	.calibrate_decr	= generic_calibrate_decr,
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index f4dd5f2f8a28..f42f801cf84e 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -18,7 +18,6 @@
 #include <linux/kdev_t.h>
 #include <linux/delay.h>
 #include <linux/seq_file.h>
-#include <linux/root_dev.h>
 
 #include <asm/system.h>
 #include <asm/time.h>
@@ -120,6 +119,8 @@ mpc86xx_hpcn_init_irq(void)
 	DBG("mpc86xxhpcn: cascade mapped to irq %d\n", cascade_irq);
 
 	i8259_init(cascade_node, 0);
+	of_node_put(cascade_node);
+
 	set_irq_chained_handler(cascade_irq, mpc86xx_8259_cascade);
 #endif
 }
@@ -365,12 +366,6 @@ mpc86xx_hpcn_setup_arch(void)
 
 	printk("MPC86xx HPCN board from Freescale Semiconductor\n");
 
-#ifdef  CONFIG_ROOT_NFS
-	ROOT_DEV = Root_NFS;
-#else
-	ROOT_DEV = Root_HDA1;
-#endif
-
 #ifdef CONFIG_SMP
 	mpc86xx_smp_init();
 #endif
diff --git a/arch/powerpc/platforms/celleb/Makefile b/arch/powerpc/platforms/celleb/Makefile
index 3baf658ac543..f4f82520dc4f 100644
--- a/arch/powerpc/platforms/celleb/Makefile
+++ b/arch/powerpc/platforms/celleb/Makefile
@@ -1,9 +1,8 @@
 obj-y				+= interrupt.o iommu.o setup.o \
 				   htab.o beat.o pci.o \
-				   scc_epci.o hvCall.o
+				   scc_epci.o scc_uhc.o hvCall.o
 
 obj-$(CONFIG_SMP)		+= smp.o
 obj-$(CONFIG_PPC_UDBG_BEAT)	+= udbg_beat.o
-obj-$(CONFIG_USB)		+= scc_uhc.o
 obj-$(CONFIG_HAS_TXX9_SERIAL)	+= scc_sio.o
 obj-$(CONFIG_SPU_BASE)		+= spu_priv1.o
diff --git a/arch/powerpc/platforms/celleb/setup.c b/arch/powerpc/platforms/celleb/setup.c
index 1de63acfda87..5f4d0d933238 100644
--- a/arch/powerpc/platforms/celleb/setup.c
+++ b/arch/powerpc/platforms/celleb/setup.c
@@ -137,10 +137,12 @@ static int celleb_check_legacy_ioport(unsigned int baseport)
 	return -ENODEV;
 }
 
+#ifdef CONFIG_KEXEC
 static void celleb_kexec_cpu_down(int crash, int secondary)
 {
 	beatic_deinit_IRQ();
 }
+#endif
 
 static struct of_device_id celleb_bus_ids[] = {
 	{ .type = "scc", },
diff --git a/arch/powerpc/platforms/ps3/Kconfig b/arch/powerpc/platforms/ps3/Kconfig
index 4be3943d1c0d..d270a1e374d5 100644
--- a/arch/powerpc/platforms/ps3/Kconfig
+++ b/arch/powerpc/platforms/ps3/Kconfig
@@ -62,4 +62,14 @@ config PS3_PS3AV
 	  This support is required for graphics and sound. In
 	  general, all users will say Y or M.
 
+config PS3_SYS_MANAGER
+	bool "PS3 System Manager driver"
+	select PS3_VUART
+	default y
+	help
+	  Include support for the PS3 System Manager.
+
+	  This support is required for system control.  In
+	  general, all users will say Y.
+
 endmenu
diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c
index 13d669a8ecae..ac5df9688dcb 100644
--- a/arch/powerpc/platforms/ps3/setup.c
+++ b/arch/powerpc/platforms/ps3/setup.c
@@ -42,6 +42,10 @@
 #define DBG(fmt...) do{if(0)printk(fmt);}while(0)
 #endif
 
+#if !defined(CONFIG_SMP)
+static void smp_send_stop(void) {}
+#endif
+
 int ps3_get_firmware_version(union ps3_firmware_version *v)
 {
 	int result = lv1_get_version_info(&v->raw);
@@ -66,22 +70,35 @@ static void ps3_power_save(void)
 	lv1_pause(0);
 }
 
+static void ps3_restart(char *cmd)
+{
+	DBG("%s:%d cmd '%s'\n", __func__, __LINE__, cmd);
+
+	smp_send_stop();
+	ps3_sys_manager_restart(); /* never returns */
+}
+
+static void ps3_power_off(void)
+{
+	DBG("%s:%d\n", __func__, __LINE__);
+
+	smp_send_stop();
+	ps3_sys_manager_power_off(); /* never returns */
+}
+
 static void ps3_panic(char *str)
 {
 	DBG("%s:%d %s\n", __func__, __LINE__, str);
 
-#ifdef CONFIG_SMP
 	smp_send_stop();
-#endif
 	printk("\n");
 	printk("   System does not reboot automatically.\n");
 	printk("   Please press POWER button.\n");
 	printk("\n");
 
-	for (;;) ;
+	while(1);
 }
 
-
 static void prealloc(struct ps3_prealloc *p)
 {
 	if (!p->size)
@@ -219,6 +236,8 @@ define_machine(ps3) {
 	.get_rtc_time			= ps3_get_rtc_time,
 	.calibrate_decr			= ps3_calibrate_decr,
 	.progress			= ps3_progress,
+	.restart			= ps3_restart,
+	.power_off			= ps3_power_off,
 #if defined(CONFIG_KEXEC)
 	.kexec_cpu_down			= ps3_kexec_cpu_down,
 	.machine_kexec			= ps3_machine_kexec,
diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile
index dc0583bdbc63..2dfd05095a25 100644
--- a/arch/powerpc/platforms/pseries/Makefile
+++ b/arch/powerpc/platforms/pseries/Makefile
@@ -4,7 +4,7 @@ endif
 
 obj-y			:= pci.o lpar.o hvCall.o nvram.o reconfig.o \
 			   setup.o iommu.o ras.o rtasd.o pci_dlpar.o \
-			   firmware.o
+			   firmware.o power.o
 obj-$(CONFIG_SMP)	+= smp.o
 obj-$(CONFIG_XICS)	+= xics.o
 obj-$(CONFIG_SCANLOG)	+= scanlog.o
diff --git a/arch/powerpc/platforms/pseries/power.c b/arch/powerpc/platforms/pseries/power.c
new file mode 100644
index 000000000000..2624b71df73d
--- /dev/null
+++ b/arch/powerpc/platforms/pseries/power.c
@@ -0,0 +1,87 @@
+/*
+ *  Interface for power-management for ppc64 compliant platform
+ *
+ *  Manish Ahuja <mahuja@us.ibm.com>
+ *
+ *  Feb 2007
+ *
+ *  Copyright (C) 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; version 2 of the License.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kobject.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+
+unsigned long rtas_poweron_auto; /* default and normal state is 0 */
+
+static ssize_t auto_poweron_show(struct subsystem *subsys, char *buf)
+{
+        return sprintf(buf, "%lu\n", rtas_poweron_auto);
+}
+
+static ssize_t
+auto_poweron_store(struct subsystem *subsys, const char *buf, size_t n)
+{
+	int ret;
+	unsigned long ups_restart;
+	ret = sscanf(buf, "%lu", &ups_restart);
+
+	if ((ret == 1) && ((ups_restart == 1) || (ups_restart == 0))){
+		rtas_poweron_auto = ups_restart;
+		return n;
+	}
+	return -EINVAL;
+}
+
+static struct subsys_attribute auto_poweron_attr = {
+        .attr   = {
+                .name = __stringify(auto_poweron),
+                .mode = 0644,
+        },
+        .show   = auto_poweron_show,
+        .store  = auto_poweron_store,
+};
+
+#ifndef CONFIG_PM
+decl_subsys(power,NULL,NULL);
+
+static struct attribute *g[] = {
+        &auto_poweron_attr.attr,
+        NULL,
+};
+
+static struct attribute_group attr_group = {
+        .attrs = g,
+};
+
+static int __init pm_init(void)
+{
+        int error = subsystem_register(&power_subsys);
+        if (!error)
+                error = sysfs_create_group(&power_subsys.kset.kobj,&attr_group);
+        return error;
+}
+core_initcall(pm_init);
+#else
+extern struct subsystem power_subsys;
+
+static int __init apo_pm_init(void)
+{
+	return (subsys_create_file(&power_subsys, &auto_poweron_attr));
+}
+__initcall(apo_pm_init);
+#endif
diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h
index b43f1397a5b6..22bc01989749 100644
--- a/arch/powerpc/platforms/pseries/pseries.h
+++ b/arch/powerpc/platforms/pseries/pseries.h
@@ -29,8 +29,11 @@ static inline smp_init_pseries_xics(void) { };
 extern void setup_kexec_cpu_down_xics(void);
 extern void setup_kexec_cpu_down_mpic(void);
 #else
-static inline setup_kexec_cpu_down_xics(void) { };
-static inline setup_kexec_cpu_down_mpic(void) { };
+static inline void setup_kexec_cpu_down_xics(void) { }
+static inline void setup_kexec_cpu_down_mpic(void) { }
 #endif
 
+/* Poweron flag used for enabling auto ups restart */
+extern unsigned long rtas_poweron_auto;
+
 #endif /* _PSERIES_PSERIES_H */
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 435a04596526..34aff47b1f55 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -486,6 +486,34 @@ static int pSeries_pci_probe_mode(struct pci_bus *bus)
 	return PCI_PROBE_NORMAL;
 }
 
+/**
+ * pSeries_power_off - tell firmware about how to power off the system.
+ *
+ * This function calls either the power-off rtas token in normal cases
+ * or the ibm,power-off-ups token (if present & requested) in case of
+ * a power failure. If power-off token is used, power on will only be
+ * possible with power button press. If ibm,power-off-ups token is used
+ * it will allow auto poweron after power is restored.
+ */
+void pSeries_power_off(void)
+{
+	int rc;
+	int rtas_poweroff_ups_token = rtas_token("ibm,power-off-ups");
+
+	if (rtas_flash_term_hook)
+		rtas_flash_term_hook(SYS_POWER_OFF);
+
+	if (rtas_poweron_auto == 0 ||
+		rtas_poweroff_ups_token == RTAS_UNKNOWN_SERVICE) {
+		rc = rtas_call(rtas_token("power-off"), 2, 1, NULL, -1, -1);
+		printk(KERN_INFO "RTAS power-off returned %d\n", rc);
+	} else {
+		rc = rtas_call(rtas_poweroff_ups_token, 0, 1, NULL);
+		printk(KERN_INFO "RTAS ibm,power-off-ups returned %d\n", rc);
+	}
+	for (;;);
+}
+
 define_machine(pseries) {
 	.name			= "pSeries",
 	.probe			= pSeries_probe,
@@ -496,7 +524,7 @@ define_machine(pseries) {
 	.pcibios_fixup		= pSeries_final_fixup,
 	.pci_probe_mode		= pSeries_pci_probe_mode,
 	.restart		= rtas_restart,
-	.power_off		= rtas_power_off,
+	.power_off		= pSeries_power_off,
 	.halt			= rtas_halt,
 	.panic			= rtas_os_term,
 	.get_boot_time		= rtas_get_boot_time,