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

* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (78 commits)
  [PATCH] powerpc: Add FSL SEC node to documentation
  [PATCH] macintosh: tidy-up driver_register() return values
  [PATCH] powerpc: tidy-up of_register_driver()/driver_register() return values
  [PATCH] powerpc: via-pmu warning fix
  [PATCH] macintosh: cleanup the use of i2c headers
  [PATCH] powerpc: dont allow old RTC to be selected
  [PATCH] powerpc: make powerbook_sleep_grackle static
  [PATCH] powerpc: Fix warning in add_memory
  [PATCH] powerpc: update mailing list addresses
  [PATCH] powerpc: Remove calculation of io hole
  [PATCH] powerpc: iseries: Add bootargs to /chosen
  [PATCH] powerpc: iseries: Add /system-id, /model and /compatible
  [PATCH] powerpc: Add strne2a() to convert a string from EBCDIC to ASCII
  [PATCH] powerpc: iseries: Make more stuff static in platforms/iseries/mf.c
  [PATCH] powerpc: iseries: Remove pointless iSeries_(restart|power_off|halt)
  [PATCH] powerpc: iseries: mf related cleanups
  [PATCH] powerpc: Replace platform_is_lpar() with a firmware feature
  [PATCH] powerpc: trivial: Cleanup whitespace in cputable.h
  [PATCH] powerpc: Remove unused iommu_off logic from pSeries_init_early()
  [PATCH] powerpc: Unconfuse htab_bolt_mapping() callers
  ...

9 files changed, 135 insertions, 68 deletions

diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile
index 61616d14407..930898635c9 100644
--- a/arch/powerpc/platforms/pseries/Makefile
+++ b/arch/powerpc/platforms/pseries/Makefile
@@ -1,5 +1,6 @@
 obj-y			:= pci.o lpar.o hvCall.o nvram.o reconfig.o \
-			   setup.o iommu.o ras.o rtasd.o pci_dlpar.o
+			   setup.o iommu.o ras.o rtasd.o pci_dlpar.o \
+			   firmware.o
 obj-$(CONFIG_SMP)	+= smp.o
 obj-$(CONFIG_IBMVIO)	+= vio.o
 obj-$(CONFIG_XICS)	+= xics.o
diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c
new file mode 100644
index 00000000000..989f4bc136c
--- /dev/null
+++ b/arch/powerpc/platforms/pseries/firmware.c
@@ -0,0 +1,103 @@
+/*
+ *  pSeries firmware setup code.
+ *
+ *  Portions from arch/powerpc/platforms/pseries/setup.c:
+ *   Copyright (C) 1995  Linus Torvalds
+ *   Adapted from 'alpha' version by Gary Thomas
+ *   Modified by Cort Dougan (cort@cs.nmt.edu)
+ *   Modified by PPC64 Team, IBM Corp
+ *
+ *  Portions from arch/powerpc/kernel/firmware.c
+ *   Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
+ *   Modifications for ppc64:
+ *    Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
+ *    Copyright (C) 2005 Stephen Rothwell, IBM Corporation
+ *
+ *  Copyright 2006 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.
+ */
+
+#undef DEBUG
+
+#include <asm/firmware.h>
+#include <asm/prom.h>
+
+#ifdef DEBUG
+#define DBG(fmt...) udbg_printf(fmt)
+#else
+#define DBG(fmt...)
+#endif
+
+typedef struct {
+    unsigned long val;
+    char * name;
+} firmware_feature_t;
+
+static __initdata firmware_feature_t
+firmware_features_table[FIRMWARE_MAX_FEATURES] = {
+	{FW_FEATURE_PFT,		"hcall-pft"},
+	{FW_FEATURE_TCE,		"hcall-tce"},
+	{FW_FEATURE_SPRG0,		"hcall-sprg0"},
+	{FW_FEATURE_DABR,		"hcall-dabr"},
+	{FW_FEATURE_COPY,		"hcall-copy"},
+	{FW_FEATURE_ASR,		"hcall-asr"},
+	{FW_FEATURE_DEBUG,		"hcall-debug"},
+	{FW_FEATURE_PERF,		"hcall-perf"},
+	{FW_FEATURE_DUMP,		"hcall-dump"},
+	{FW_FEATURE_INTERRUPT,		"hcall-interrupt"},
+	{FW_FEATURE_MIGRATE,		"hcall-migrate"},
+	{FW_FEATURE_PERFMON,		"hcall-perfmon"},
+	{FW_FEATURE_CRQ,		"hcall-crq"},
+	{FW_FEATURE_VIO,		"hcall-vio"},
+	{FW_FEATURE_RDMA,		"hcall-rdma"},
+	{FW_FEATURE_LLAN,		"hcall-lLAN"},
+	{FW_FEATURE_BULK,		"hcall-bulk"},
+	{FW_FEATURE_XDABR,		"hcall-xdabr"},
+	{FW_FEATURE_MULTITCE,		"hcall-multi-tce"},
+	{FW_FEATURE_SPLPAR,		"hcall-splpar"},
+};
+
+/* Build up the firmware features bitmask using the contents of
+ * device-tree/ibm,hypertas-functions.  Ultimately this functionality may
+ * be moved into prom.c prom_init().
+ */
+void __init fw_feature_init(void)
+{
+	struct device_node *dn;
+	char *hypertas, *s;
+	int len, i;
+
+	DBG(" -> fw_feature_init()\n");
+
+	dn = of_find_node_by_path("/rtas");
+	if (dn == NULL) {
+		printk(KERN_ERR "WARNING! Cannot find RTAS in device-tree!\n");
+		goto out;
+	}
+
+	hypertas = get_property(dn, "ibm,hypertas-functions", &len);
+	if (hypertas == NULL)
+		goto out;
+
+	for (s = hypertas; s < hypertas + len; s += strlen(s) + 1) {
+		for (i = 0; i < FIRMWARE_MAX_FEATURES; i++) {
+			/* check value against table of strings */
+			if (!firmware_features_table[i].name ||
+			    strcmp(firmware_features_table[i].name, s))
+				continue;
+
+			/* we have a match */
+			ppc64_firmware_features |=
+				firmware_features_table[i].val;
+			break;
+		}
+	}
+
+out:
+	of_node_put(dn);
+	DBG(" <- fw_feature_init()\n");
+}
diff --git a/arch/powerpc/platforms/pseries/firmware.h b/arch/powerpc/platforms/pseries/firmware.h
new file mode 100644
index 00000000000..714f56f5536
--- /dev/null
+++ b/arch/powerpc/platforms/pseries/firmware.h
@@ -0,0 +1,17 @@
+/*
+ * Copyright 2006 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.
+ */
+
+#ifndef _PSERIES_FIRMWARE_H
+#define _PSERIES_FIRMWARE_H
+
+#include <asm/firmware.h>
+
+extern void __init fw_feature_init(void);
+
+#endif /* _PSERIES_FIRMWARE_H */
diff --git a/arch/powerpc/platforms/pseries/hvCall.S b/arch/powerpc/platforms/pseries/hvCall.S
index 176e8da7646..db7c19fe929 100644
--- a/arch/powerpc/platforms/pseries/hvCall.S
+++ b/arch/powerpc/platforms/pseries/hvCall.S
@@ -1,6 +1,4 @@
 /*
- * arch/ppc64/kernel/pSeries_hvCall.S
- *
  * This file contains the generic code to perform a call to the
  * pSeries LPAR hypervisor.
  * NOTE: this file will go away when we move to inline this work.
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 48cfbfc43f9..2643078433f 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -1,6 +1,4 @@
 /*
- * arch/ppc64/kernel/pSeries_iommu.c
- *
  * Copyright (C) 2001 Mike Corrigan & Dave Engebretsen, IBM Corporation
  *
  * Rewrite, cleanup: 
@@ -582,7 +580,7 @@ void iommu_init_early_pSeries(void)
 		return;
 	}
 
-	if (platform_is_lpar()) {
+	if (firmware_has_feature(FW_FEATURE_LPAR)) {
 		if (firmware_has_feature(FW_FEATURE_MULTITCE)) {
 			ppc_md.tce_build = tce_buildmulti_pSeriesLP;
 			ppc_md.tce_free	 = tce_freemulti_pSeriesLP;
diff --git a/arch/powerpc/platforms/pseries/pci.c b/arch/powerpc/platforms/pseries/pci.c
index 999a9620b5c..946ad59e335 100644
--- a/arch/powerpc/platforms/pseries/pci.c
+++ b/arch/powerpc/platforms/pseries/pci.c
@@ -1,6 +1,4 @@
 /*
- * arch/ppc64/kernel/pSeries_pci.c
- *
  * Copyright (C) 2001 Dave Engebretsen, IBM Corporation
  * Copyright (C) 2003 Anton Blanchard <anton@au.ibm.com>, IBM
  *
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 9edeca83f43..44d5c7fdcd9 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -60,7 +60,6 @@
 #include <asm/time.h>
 #include <asm/nvram.h>
 #include "xics.h"
-#include <asm/firmware.h>
 #include <asm/pmc.h>
 #include <asm/mpic.h>
 #include <asm/ppc-pci.h>
@@ -70,6 +69,7 @@
 
 #include "plpar_wrappers.h"
 #include "ras.h"
+#include "firmware.h"
 
 #ifdef DEBUG
 #define DBG(fmt...) udbg_printf(fmt)
@@ -246,7 +246,7 @@ static void __init pSeries_setup_arch(void)
 		ppc_md.idle_loop = default_idle;
 	}
 
-	if (platform_is_lpar())
+	if (firmware_has_feature(FW_FEATURE_LPAR))
 		ppc_md.enable_pmcs = pseries_lpar_enable_pmcs;
 	else
 		ppc_md.enable_pmcs = power4_enable_pmcs;
@@ -262,53 +262,6 @@ static int __init pSeries_init_panel(void)
 }
 arch_initcall(pSeries_init_panel);
 
-
-/* Build up the ppc64_firmware_features bitmask field
- * using contents of device-tree/ibm,hypertas-functions.
- * Ultimately this functionality may be moved into prom.c prom_init().
- */
-static void __init fw_feature_init(void)
-{
-	struct device_node * dn;
-	char * hypertas;
-	unsigned int len;
-
-	DBG(" -> fw_feature_init()\n");
-
-	ppc64_firmware_features = 0;
-	dn = of_find_node_by_path("/rtas");
-	if (dn == NULL) {
-		printk(KERN_ERR "WARNING ! Cannot find RTAS in device-tree !\n");
-		goto no_rtas;
-	}
-
-	hypertas = get_property(dn, "ibm,hypertas-functions", &len);
-	if (hypertas) {
-		while (len > 0){
-			int i, hypertas_len;
-			/* check value against table of strings */
-			for(i=0; i < FIRMWARE_MAX_FEATURES ;i++) {
-				if ((firmware_features_table[i].name) &&
-				    (strcmp(firmware_features_table[i].name,hypertas))==0) {
-					/* we have a match */
-					ppc64_firmware_features |= 
-						(firmware_features_table[i].val);
-					break;
-				} 
-			}
-			hypertas_len = strlen(hypertas);
-			len -= hypertas_len +1;
-			hypertas+= hypertas_len +1;
-		}
-	}
-
-	of_node_put(dn);
-no_rtas:
-
-	DBG(" <- fw_feature_init()\n");
-}
-
-
 static  void __init pSeries_discover_pic(void)
 {
 	struct device_node *np;
@@ -367,21 +320,16 @@ static int pseries_set_xdabr(unsigned long dabr)
  */
 static void __init pSeries_init_early(void)
 {
-	int iommu_off = 0;
-
 	DBG(" -> pSeries_init_early()\n");
 
 	fw_feature_init();
 	
-	if (platform_is_lpar())
+	if (firmware_has_feature(FW_FEATURE_LPAR))
 		hpte_init_lpar();
-	else {
+	else
 		hpte_init_native();
-		iommu_off = (of_chosen &&
-			     get_property(of_chosen, "linux,iommu-off", NULL));
-	}
 
-	if (platform_is_lpar())
+	if (firmware_has_feature(FW_FEATURE_LPAR))
 		find_udbg_vterm();
 
 	if (firmware_has_feature(FW_FEATURE_DABR))
@@ -437,6 +385,9 @@ static int __init pSeries_probe(int platform)
 	 * it here ...
 	 */
 
+	if (platform == PLATFORM_PSERIES_LPAR)
+		ppc64_firmware_features |= FW_FEATURE_LPAR;
+
 	return 1;
 }
 
@@ -576,7 +527,7 @@ static void pseries_shared_idle(void)
 
 static int pSeries_pci_probe_mode(struct pci_bus *bus)
 {
-	if (platform_is_lpar())
+	if (firmware_has_feature(FW_FEATURE_LPAR))
 		return PCI_PROBE_DEVTREE;
 	return PCI_PROBE_NORMAL;
 }
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 8d710af5075..3cf78a6cd27 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -443,7 +443,7 @@ void __init smp_init_pSeries(void)
 	smp_ops->cpu_die = pSeries_cpu_die;
 
 	/* Processors can be added/removed only on LPAR */
-	if (platform_is_lpar())
+	if (firmware_has_feature(FW_FEATURE_LPAR))
 		pSeries_reconfig_notifier_register(&pSeries_smp_nb);
 #endif
 
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index fd823c7c9ac..eb86cdb9b80 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -20,6 +20,7 @@
 #include <linux/gfp.h>
 #include <linux/radix-tree.h>
 #include <linux/cpu.h>
+#include <asm/firmware.h>
 #include <asm/prom.h>
 #include <asm/io.h>
 #include <asm/pgtable.h>
@@ -536,7 +537,7 @@ nextnode:
 		of_node_put(np);
 	}
 
-	if (platform_is_lpar())
+	if (firmware_has_feature(FW_FEATURE_LPAR))
 		ops = &pSeriesLP_ops;
 	else {
 #ifdef CONFIG_SMP