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

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (144 commits)
  powerpc/44x: Support 16K/64K base page sizes on 44x
  powerpc: Force memory size to be a multiple of PAGE_SIZE
  powerpc/32: Wire up the trampoline code for kdump
  powerpc/32: Add the ability for a classic ppc kernel to be loaded at 32M
  powerpc/32: Allow __ioremap on RAM addresses for kdump kernel
  powerpc/32: Setup OF properties for kdump
  powerpc/32/kdump: Implement crash_setup_regs() using ppc_save_regs()
  powerpc: Prepare xmon_save_regs for use with kdump
  powerpc: Remove default kexec/crash_kernel ops assignments
  powerpc: Make default kexec/crash_kernel ops implicit
  powerpc: Setup OF properties for ppc32 kexec
  powerpc/pseries: Fix cpu hotplug
  powerpc: Fix KVM build on ppc440
  powerpc/cell: add QPACE as a separate Cell platform
  powerpc/cell: fix build breakage with CONFIG_SPUFS disabled
  powerpc/mpc5200: fix error paths in PSC UART probe function
  powerpc/mpc5200: add rts/cts handling in PSC UART driver
  powerpc/mpc5200: Make PSC UART driver update serial errors counters
  powerpc/mpc5200: Remove obsolete code from mpc5200 MDIO driver
  powerpc/mpc5200: Add MDMA/UDMA support to MPC5200 ATA driver
  ...

Fix trivial conflict in drivers/char/Makefile as per Paul's directions

arch/powerpc/platforms/cell/Kconfig

@@ -2,13 +2,18 @@ config PPC_CELL
 	bool
 	default n
 
-config PPC_CELL_NATIVE
+config PPC_CELL_COMMON
 	bool
 	select PPC_CELL
 	select PPC_DCR_MMIO
-	select PPC_OF_PLATFORM_PCI
 	select PPC_INDIRECT_IO
 	select PPC_NATIVE
+	select PPC_RTAS
+
+config PPC_CELL_NATIVE
+	bool
+	select PPC_CELL_COMMON
+	select PPC_OF_PLATFORM_PCI
 	select MPIC
 	select IBM_NEW_EMAC_EMAC4
 	select IBM_NEW_EMAC_RGMII
@@ -20,7 +25,6 @@ config PPC_IBM_CELL_BLADE
 	bool "IBM Cell Blade"
 	depends on PPC_MULTIPLATFORM && PPC64
 	select PPC_CELL_NATIVE
-	select PPC_RTAS
 	select MMIO_NVRAM
 	select PPC_UDBG_16550
 	select UDBG_RTAS_CONSOLE
@@ -28,16 +32,17 @@ config PPC_IBM_CELL_BLADE
 config PPC_CELLEB
 	bool "Toshiba's Cell Reference Set 'Celleb' Architecture"
 	depends on PPC_MULTIPLATFORM && PPC64
-	select PPC_CELL
 	select PPC_CELL_NATIVE
-	select PPC_RTAS
-	select PPC_INDIRECT_IO
-	select PPC_OF_PLATFORM_PCI
 	select HAS_TXX9_SERIAL
 	select PPC_UDBG_BEAT
 	select USB_OHCI_BIG_ENDIAN_MMIO
 	select USB_EHCI_BIG_ENDIAN_MMIO
 
+config PPC_CELL_QPACE
+	bool "IBM Cell - QPACE"
+	depends on PPC_MULTIPLATFORM && PPC64
+	select PPC_CELL_COMMON
+
 menu "Cell Broadband Engine options"
 	depends on PPC_CELL
 
@@ -102,7 +107,7 @@ config PPC_IBM_CELL_POWERBUTTON
 config CBE_THERM
 	tristate "CBE thermal support"
 	default m
-	depends on CBE_RAS
+	depends on CBE_RAS && SPU_BASE
 
 config CBE_CPUFREQ
 	tristate "CBE frequency scaling"
@@ -136,5 +141,5 @@ endmenu
 
 config OPROFILE_CELL
 	def_bool y
-	depends on PPC_CELL_NATIVE && (OPROFILE = m || OPROFILE = y)
+	depends on PPC_CELL_NATIVE && (OPROFILE = m || OPROFILE = y) && SPU_BASE
 

arch/powerpc/platforms/cell/Makefile

@@ -1,7 +1,7 @@
-obj-$(CONFIG_PPC_CELL_NATIVE)		+= interrupt.o iommu.o setup.o \
-					   cbe_regs.o spider-pic.o \
-					   pervasive.o pmu.o io-workarounds.o \
-					   spider-pci.o
+obj-$(CONFIG_PPC_CELL_COMMON)		+= cbe_regs.o interrupt.o pervasive.o
+
+obj-$(CONFIG_PPC_CELL_NATIVE)		+= iommu.o setup.o spider-pic.o \
+					   pmu.o io-workarounds.o spider-pci.o
 obj-$(CONFIG_CBE_RAS)			+= ras.o
 
 obj-$(CONFIG_CBE_THERM)			+= cbe_thermal.o
@@ -14,13 +14,12 @@ obj-$(CONFIG_PPC_IBM_CELL_POWERBUTTON)	+= cbe_powerbutton.o
 
 ifeq ($(CONFIG_SMP),y)
 obj-$(CONFIG_PPC_CELL_NATIVE)		+= smp.o
+obj-$(CONFIG_PPC_CELL_QPACE)		+= smp.o
 endif
 
 # needed only when building loadable spufs.ko
-spu-priv1-$(CONFIG_PPC_CELL_NATIVE)	+= spu_priv1_mmio.o
-
-spu-manage-$(CONFIG_PPC_CELLEB)		+= spu_manage.o
-spu-manage-$(CONFIG_PPC_CELL_NATIVE)	+= spu_manage.o
+spu-priv1-$(CONFIG_PPC_CELL_COMMON)	+= spu_priv1_mmio.o
+spu-manage-$(CONFIG_PPC_CELL_COMMON)	+= spu_manage.o
 
 obj-$(CONFIG_SPU_BASE)			+= spu_callbacks.o spu_base.o \
 					   spu_notify.o \
@@ -31,6 +30,8 @@ obj-$(CONFIG_SPU_BASE)			+= spu_callbacks.o spu_base.o \
 
 obj-$(CONFIG_PCI_MSI)			+= axon_msi.o
 
+# qpace setup
+obj-$(CONFIG_PPC_CELL_QPACE)		+= qpace_setup.o
 
 # celleb stuff
 ifeq ($(CONFIG_PPC_CELLEB),y)

arch/powerpc/platforms/cell/celleb_setup.c

@@ -45,7 +45,6 @@
 #include <asm/mmu.h>
 #include <asm/processor.h>
 #include <asm/io.h>
-#include <asm/kexec.h>
 #include <asm/prom.h>
 #include <asm/machdep.h>
 #include <asm/cputable.h>
@@ -226,9 +225,6 @@ define_machine(celleb_beat) {
 	.pci_setup_phb		= celleb_setup_phb,
 #ifdef CONFIG_KEXEC
 	.kexec_cpu_down		= beat_kexec_cpu_down,
-	.machine_kexec		= default_machine_kexec,
-	.machine_kexec_prepare	= default_machine_kexec_prepare,
-	.machine_crash_shutdown	= default_machine_crash_shutdown,
 #endif
 };
 
@@ -248,9 +244,4 @@ define_machine(celleb_native) {
 	.pci_probe_mode 	= celleb_pci_probe_mode,
 	.pci_setup_phb		= celleb_setup_phb,
 	.init_IRQ		= celleb_init_IRQ_native,
-#ifdef CONFIG_KEXEC
-	.machine_kexec		= default_machine_kexec,
-	.machine_kexec_prepare	= default_machine_kexec_prepare,
-	.machine_crash_shutdown	= default_machine_crash_shutdown,
-#endif
 };

arch/powerpc/platforms/cell/iommu.c

@@ -1053,10 +1053,7 @@ static int __init cell_iommu_fixed_mapping_init(void)
 	}
 
 	/* We must have dma-ranges properties for fixed mapping to work */
-	for (np = NULL; (np = of_find_all_nodes(np));) {
-		if (of_find_property(np, "dma-ranges", NULL))
-			break;
-	}
+	np = of_find_node_with_property(NULL, "dma-ranges");
 	of_node_put(np);
 
 	if (!np) {

arch/powerpc/platforms/cell/qpace_setup.c

@@ -0,0 +1,152 @@
+/*
+ *  linux/arch/powerpc/platforms/cell/qpace_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
+ *  Modified by Cell Team, IBM Deutschland Entwicklung GmbH
+ *  Modified by Benjamin Krill <ben@codiert.org>, IBM Corp.
+ *
+ * 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/sched.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/irq.h>
+#include <linux/console.h>
+#include <linux/of_platform.h>
+
+#include <asm/mmu.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/kexec.h>
+#include <asm/pgtable.h>
+#include <asm/prom.h>
+#include <asm/rtas.h>
+#include <asm/dma.h>
+#include <asm/machdep.h>
+#include <asm/time.h>
+#include <asm/cputable.h>
+#include <asm/irq.h>
+#include <asm/spu.h>
+#include <asm/spu_priv1.h>
+#include <asm/udbg.h>
+#include <asm/cell-regs.h>
+
+#include "interrupt.h"
+#include "pervasive.h"
+#include "ras.h"
+#include "io-workarounds.h"
+
+static void qpace_show_cpuinfo(struct seq_file *m)
+{
+	struct device_node *root;
+	const char *model = "";
+
+	root = of_find_node_by_path("/");
+	if (root)
+		model = of_get_property(root, "model", NULL);
+	seq_printf(m, "machine\t\t: CHRP %s\n", model);
+	of_node_put(root);
+}
+
+static void qpace_progress(char *s, unsigned short hex)
+{
+	printk("*** %04x : %s\n", hex, s ? s : "");
+}
+
+static int __init qpace_publish_devices(void)
+{
+	int node;
+
+	/* Publish OF platform devices for southbridge IOs */
+	of_platform_bus_probe(NULL, NULL, NULL);
+
+	/* There is no device for the MIC memory controller, thus we create
+	 * a platform device for it to attach the EDAC driver to.
+	 */
+	for_each_online_node(node) {
+		if (cbe_get_cpu_mic_tm_regs(cbe_node_to_cpu(node)) == NULL)
+			continue;
+		platform_device_register_simple("cbe-mic", node, NULL, 0);
+	}
+
+	return 0;
+}
+machine_subsys_initcall(qpace, qpace_publish_devices);
+
+extern int qpace_notify(struct device *dev)
+{
+	/* set dma_ops for of_platform bus */
+	if (dev->bus && dev->bus->name
+			&& !strcmp(dev->bus->name, "of_platform"))
+		set_dma_ops(dev, &dma_direct_ops);
+
+	return 0;
+}
+
+static void __init qpace_setup_arch(void)
+{
+#ifdef CONFIG_SPU_BASE
+	spu_priv1_ops = &spu_priv1_mmio_ops;
+	spu_management_ops = &spu_management_of_ops;
+#endif
+
+	cbe_regs_init();
+
+#ifdef CONFIG_CBE_RAS
+	cbe_ras_init();
+#endif
+
+#ifdef CONFIG_SMP
+	smp_init_cell();
+#endif
+
+	/* init to some ~sane value until calibrate_delay() runs */
+	loops_per_jiffy = 50000000;
+
+	cbe_pervasive_init();
+#ifdef CONFIG_DUMMY_CONSOLE
+	conswitchp = &dummy_con;
+#endif
+
+	/* set notifier function */
+	platform_notify = &qpace_notify;
+}
+
+static int __init qpace_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	if (!of_flat_dt_is_compatible(root, "IBM,QPACE"))
+		return 0;
+
+	hpte_init_native();
+
+	return 1;
+}
+
+define_machine(qpace) {
+	.name			= "QPACE",
+	.probe			= qpace_probe,
+	.setup_arch		= qpace_setup_arch,
+	.show_cpuinfo		= qpace_show_cpuinfo,
+	.restart		= rtas_restart,
+	.power_off		= rtas_power_off,
+	.halt			= rtas_halt,
+	.get_boot_time		= rtas_get_boot_time,
+	.calibrate_decr		= generic_calibrate_decr,
+	.progress		= qpace_progress,
+	.init_IRQ		= iic_init_IRQ,
+#ifdef CONFIG_KEXEC
+	.machine_kexec		= default_machine_kexec,
+	.machine_kexec_prepare	= default_machine_kexec_prepare,
+	.machine_crash_shutdown	= default_machine_crash_shutdown,
+#endif
+};

arch/powerpc/platforms/cell/setup.c

@@ -35,7 +35,6 @@
 #include <asm/mmu.h>
 #include <asm/processor.h>
 #include <asm/io.h>
-#include <asm/kexec.h>
 #include <asm/pgtable.h>
 #include <asm/prom.h>
 #include <asm/rtas.h>
@@ -289,9 +288,4 @@ define_machine(cell) {
 	.progress		= cell_progress,
 	.init_IRQ       	= cell_init_irq,
 	.pci_setup_phb		= cell_setup_phb,
-#ifdef CONFIG_KEXEC
-	.machine_kexec		= default_machine_kexec,
-	.machine_kexec_prepare	= default_machine_kexec_prepare,
-	.machine_crash_shutdown	= default_machine_crash_shutdown,
-#endif
 };

arch/powerpc/platforms/cell/spufs/file.c

@@ -273,12 +273,10 @@ spufs_mem_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 		return VM_FAULT_NOPAGE;
 
 	if (ctx->state == SPU_STATE_SAVED) {
-		vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
-							& ~_PAGE_NO_CACHE);
+		vma->vm_page_prot = pgprot_cached(vma->vm_page_prot);
 		pfn = vmalloc_to_pfn(ctx->csa.lscsa->ls + offset);
 	} else {
-		vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
-					     | _PAGE_NO_CACHE);
+		vma->vm_page_prot = pgprot_noncached_wc(vma->vm_page_prot);
 		pfn = (ctx->spu->local_store_phys + offset) >> PAGE_SHIFT;
 	}
 	vm_insert_pfn(vma, address, pfn);
@@ -338,8 +336,7 @@ static int spufs_mem_mmap(struct file *file, struct vm_area_struct *vma)
 		return -EINVAL;
 
 	vma->vm_flags |= VM_IO | VM_PFNMAP;
-	vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
-				     | _PAGE_NO_CACHE);
+	vma->vm_page_prot = pgprot_noncached_wc(vma->vm_page_prot);
 
 	vma->vm_ops = &spufs_mem_mmap_vmops;
 	return 0;
@@ -452,8 +449,7 @@ static int spufs_cntl_mmap(struct file *file, struct vm_area_struct *vma)
 		return -EINVAL;
 
 	vma->vm_flags |= VM_IO | VM_PFNMAP;
-	vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
-				     | _PAGE_NO_CACHE | _PAGE_GUARDED);
+	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 
 	vma->vm_ops = &spufs_cntl_mmap_vmops;
 	return 0;
@@ -1155,8 +1151,7 @@ static int spufs_signal1_mmap(struct file *file, struct vm_area_struct *vma)
 		return -EINVAL;
 
 	vma->vm_flags |= VM_IO | VM_PFNMAP;
-	vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
-				     | _PAGE_NO_CACHE | _PAGE_GUARDED);
+	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 
 	vma->vm_ops = &spufs_signal1_mmap_vmops;
 	return 0;
@@ -1292,8 +1287,7 @@ static int spufs_signal2_mmap(struct file *file, struct vm_area_struct *vma)
 		return -EINVAL;
 
 	vma->vm_flags |= VM_IO | VM_PFNMAP;
-	vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
-				     | _PAGE_NO_CACHE | _PAGE_GUARDED);
+	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 
 	vma->vm_ops = &spufs_signal2_mmap_vmops;
 	return 0;
@@ -1414,8 +1408,7 @@ static int spufs_mss_mmap(struct file *file, struct vm_area_struct *vma)
 		return -EINVAL;
 
 	vma->vm_flags |= VM_IO | VM_PFNMAP;
-	vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
-				     | _PAGE_NO_CACHE | _PAGE_GUARDED);
+	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 
 	vma->vm_ops = &spufs_mss_mmap_vmops;
 	return 0;
@@ -1476,8 +1469,7 @@ static int spufs_psmap_mmap(struct file *file, struct vm_area_struct *vma)
 		return -EINVAL;
 
 	vma->vm_flags |= VM_IO | VM_PFNMAP;
-	vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
-				     | _PAGE_NO_CACHE | _PAGE_GUARDED);
+	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 
 	vma->vm_ops = &spufs_psmap_mmap_vmops;
 	return 0;
@@ -1536,8 +1528,7 @@ static int spufs_mfc_mmap(struct file *file, struct vm_area_struct *vma)
 		return -EINVAL;
 
 	vma->vm_flags |= VM_IO | VM_PFNMAP;
-	vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
-				     | _PAGE_NO_CACHE | _PAGE_GUARDED);
+	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 
 	vma->vm_ops = &spufs_mfc_mmap_vmops;
 	return 0;