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

* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
  powerpc: add defconfig for Freescale MPC8349E-mITX board
  powerpc: Add base support for the Freescale MPC8349E-mITX eval board
  Documentation: correct values in MPC8548E SEC example node
  [POWERPC] Actually copy over i8259.c to arch/ppc/syslib this time
  [POWERPC] Add new interrupt mapping core and change platforms to use it
  [POWERPC] Copy i8259 code back to arch/ppc
  [POWERPC] New device-tree interrupt parsing code
  [POWERPC] Use the genirq framework
  [PATCH] genirq: Allow fasteoi handler to retrigger disabled interrupts
  [POWERPC] Update the SWIM3 (powermac) floppy driver
  [POWERPC] Fix error handling in detecting legacy serial ports
  [POWERPC] Fix booting on Momentum "Apache" board (a Maple derivative)
  [POWERPC] Fix various offb and BootX-related issues
  [POWERPC] Add a default config for 32-bit CHRP machines
  [POWERPC] fix implicit declaration on cell.
  [POWERPC] change get_property to return void *

Documentation/powerpc/booting-without-of.txt

@@ -1436,9 +1436,9 @@ platforms are moved over to use the flattened-device-tree model.
                interrupts = <1d 3>;
                interrupt-parent = <40000>;
                num-channels = <4>;
-               channel-fifo-len = <24>;
+               channel-fifo-len = <18>;
                exec-units-mask = <000000fe>;
-               descriptor-types-mask = <073f1127>;
+               descriptor-types-mask = <012b0ebf>;
        };
 
 

arch/powerpc/kernel/btext.c

@@ -111,7 +111,7 @@ void __init btext_setup_display(int width, int height, int depth, int pitch,
 	logicalDisplayBase = (unsigned char *)address;
 	dispDeviceBase = (unsigned char *)address;
 	dispDeviceRowBytes = pitch;
-	dispDeviceDepth = depth;
+	dispDeviceDepth = depth == 15 ? 16 : depth;
 	dispDeviceRect[0] = dispDeviceRect[1] = 0;
 	dispDeviceRect[2] = width;
 	dispDeviceRect[3] = height;
@@ -160,20 +160,28 @@ int btext_initialize(struct device_node *np)
 	unsigned long address = 0;
 	u32 *prop;
 
-	prop = (u32 *)get_property(np, "width", NULL);
+	prop = (u32 *)get_property(np, "linux,bootx-width", NULL);
+	if (prop == NULL)
+		prop = (u32 *)get_property(np, "width", NULL);
 	if (prop == NULL)
 		return -EINVAL;
 	width = *prop;
-	prop = (u32 *)get_property(np, "height", NULL);
+	prop = (u32 *)get_property(np, "linux,bootx-height", NULL);
+	if (prop == NULL)
+		prop = (u32 *)get_property(np, "height", NULL);
 	if (prop == NULL)
 		return -EINVAL;
 	height = *prop;
-	prop = (u32 *)get_property(np, "depth", NULL);
+	prop = (u32 *)get_property(np, "linux,bootx-depth", NULL);
+	if (prop == NULL)
+		prop = (u32 *)get_property(np, "depth", NULL);
 	if (prop == NULL)
 		return -EINVAL;
 	depth = *prop;
 	pitch = width * ((depth + 7) / 8);
-	prop = (u32 *)get_property(np, "linebytes", NULL);
+	prop = (u32 *)get_property(np, "linux,bootx-linebytes", NULL);
+	if (prop == NULL)
+		prop = (u32 *)get_property(np, "linebytes", NULL);
 	if (prop)
 		pitch = *prop;
 	if (pitch == 1)
@@ -194,7 +202,7 @@ int btext_initialize(struct device_node *np)
 	g_max_loc_Y = height / 16;
 	dispDeviceBase = (unsigned char *)address;
 	dispDeviceRowBytes = pitch;
-	dispDeviceDepth = depth;
+	dispDeviceDepth = depth == 15 ? 16 : depth;
 	dispDeviceRect[0] = dispDeviceRect[1] = 0;
 	dispDeviceRect[2] = width;
 	dispDeviceRect[3] = height;

arch/powerpc/kernel/ibmebus.c

@@ -323,13 +323,11 @@ int ibmebus_request_irq(struct ibmebus_dev *dev,
 			unsigned long irq_flags, const char * devname,
 			void *dev_id)
 {
-	unsigned int irq = virt_irq_create_mapping(ist);
+	unsigned int irq = irq_create_mapping(NULL, ist, 0);
 	
 	if (irq == NO_IRQ)
 		return -EINVAL;
 	
-	irq = irq_offset_up(irq);
-	
 	return request_irq(irq, handler,
 			   irq_flags, devname, dev_id);
 }
@@ -337,12 +335,9 @@ EXPORT_SYMBOL(ibmebus_request_irq);
 
 void ibmebus_free_irq(struct ibmebus_dev *dev, u32 ist, void *dev_id)
 {
-	unsigned int irq = virt_irq_create_mapping(ist);
+	unsigned int irq = irq_find_mapping(NULL, ist);
 	
-	irq = irq_offset_up(irq);
 	free_irq(irq, dev_id);
-	
-	return;
 }
 EXPORT_SYMBOL(ibmebus_free_irq);
 

arch/powerpc/kernel/legacy_serial.c

@@ -28,6 +28,7 @@ static struct legacy_serial_info {
 	struct device_node		*np;
 	unsigned int			speed;
 	unsigned int			clock;
+	int				irq_check_parent;
 	phys_addr_t			taddr;
 } legacy_serial_infos[MAX_LEGACY_SERIAL_PORTS];
 static unsigned int legacy_serial_count;
@@ -36,7 +37,7 @@ static int legacy_serial_console = -1;
 static int __init add_legacy_port(struct device_node *np, int want_index,
 				  int iotype, phys_addr_t base,
 				  phys_addr_t taddr, unsigned long irq,
-				  upf_t flags)
+				  upf_t flags, int irq_check_parent)
 {
 	u32 *clk, *spd, clock = BASE_BAUD * 16;
 	int index;
@@ -68,7 +69,7 @@ static int __init add_legacy_port(struct device_node *np, int want_index,
 	if (legacy_serial_infos[index].np != 0) {
 		/* if we still have some room, move it, else override */
 		if (legacy_serial_count < MAX_LEGACY_SERIAL_PORTS) {
-			printk(KERN_INFO "Moved legacy port %d -> %d\n",
+			printk(KERN_DEBUG "Moved legacy port %d -> %d\n",
 			       index, legacy_serial_count);
 			legacy_serial_ports[legacy_serial_count] =
 				legacy_serial_ports[index];
@@ -76,7 +77,7 @@ static int __init add_legacy_port(struct device_node *np, int want_index,
 				legacy_serial_infos[index];
 			legacy_serial_count++;
 		} else {
-			printk(KERN_INFO "Replacing legacy port %d\n", index);
+			printk(KERN_DEBUG "Replacing legacy port %d\n", index);
 		}
 	}
 
@@ -95,10 +96,11 @@ static int __init add_legacy_port(struct device_node *np, int want_index,
 	legacy_serial_infos[index].np = of_node_get(np);
 	legacy_serial_infos[index].clock = clock;
 	legacy_serial_infos[index].speed = spd ? *spd : 0;
+	legacy_serial_infos[index].irq_check_parent = irq_check_parent;
 
-	printk(KERN_INFO "Found legacy serial port %d for %s\n",
+	printk(KERN_DEBUG "Found legacy serial port %d for %s\n",
 	       index, np->full_name);
-	printk(KERN_INFO "  %s=%llx, taddr=%llx, irq=%lx, clk=%d, speed=%d\n",
+	printk(KERN_DEBUG "  %s=%llx, taddr=%llx, irq=%lx, clk=%d, speed=%d\n",
 	       (iotype == UPIO_PORT) ? "port" : "mem",
 	       (unsigned long long)base, (unsigned long long)taddr, irq,
 	       legacy_serial_ports[index].uartclk,
@@ -126,11 +128,13 @@ static int __init add_legacy_soc_port(struct device_node *np,
 		return -1;
 
 	addr = of_translate_address(soc_dev, addrp);
+	if (addr == OF_BAD_ADDR)
+		return -1;
 
 	/* Add port, irq will be dealt with later. We passed a translated
 	 * IO port value. It will be fixed up later along with the irq
 	 */
-	return add_legacy_port(np, -1, UPIO_MEM, addr, addr, NO_IRQ, flags);
+	return add_legacy_port(np, -1, UPIO_MEM, addr, addr, NO_IRQ, flags, 0);
 }
 
 static int __init add_legacy_isa_port(struct device_node *np,
@@ -141,6 +145,8 @@ static int __init add_legacy_isa_port(struct device_node *np,
 	int index = -1;
 	phys_addr_t taddr;
 
+	DBG(" -> add_legacy_isa_port(%s)\n", np->full_name);
+
 	/* Get the ISA port number */
 	reg = (u32 *)get_property(np, "reg", NULL);
 	if (reg == NULL)
@@ -161,9 +167,12 @@ static int __init add_legacy_isa_port(struct device_node *np,
 
 	/* Translate ISA address */
 	taddr = of_translate_address(np, reg);
+	if (taddr == OF_BAD_ADDR)
+		return -1;
 
 	/* Add port, irq will be dealt with later */
-	return add_legacy_port(np, index, UPIO_PORT, reg[1], taddr, NO_IRQ, UPF_BOOT_AUTOCONF);
+	return add_legacy_port(np, index, UPIO_PORT, reg[1], taddr,
+			       NO_IRQ, UPF_BOOT_AUTOCONF, 0);
 
 }
 
@@ -176,6 +185,8 @@ static int __init add_legacy_pci_port(struct device_node *np,
 	unsigned int flags;
 	int iotype, index = -1, lindex = 0;
 
+	DBG(" -> add_legacy_pci_port(%s)\n", np->full_name);
+
 	/* We only support ports that have a clock frequency properly
 	 * encoded in the device-tree (that is have an fcode). Anything
 	 * else can't be used that early and will be normally probed by
@@ -194,6 +205,8 @@ static int __init add_legacy_pci_port(struct device_node *np,
 	/* We only support BAR 0 for now */
 	iotype = (flags & IORESOURCE_MEM) ? UPIO_MEM : UPIO_PORT;
 	addr = of_translate_address(pci_dev, addrp);
+	if (addr == OF_BAD_ADDR)
+		return -1;
 
 	/* Set the IO base to the same as the translated address for MMIO,
 	 * or to the domain local IO base for PIO (it will be fixed up later)
@@ -231,7 +244,8 @@ static int __init add_legacy_pci_port(struct device_node *np,
 	/* Add port, irq will be dealt with later. We passed a translated
 	 * IO port value. It will be fixed up later along with the irq
 	 */
-	return add_legacy_port(np, index, iotype, base, addr, NO_IRQ, UPF_BOOT_AUTOCONF);
+	return add_legacy_port(np, index, iotype, base, addr, NO_IRQ,
+			       UPF_BOOT_AUTOCONF, np != pci_dev);
 }
 #endif
 
@@ -362,27 +376,22 @@ static void __init fixup_port_irq(int index,
 				  struct device_node *np,
 				  struct plat_serial8250_port *port)
 {
+	unsigned int virq;
+
 	DBG("fixup_port_irq(%d)\n", index);
 
-	/* Check for interrupts in that node */
-	if (np->n_intrs > 0) {
-		port->irq = np->intrs[0].line;
-		DBG(" port %d (%s), irq=%d\n",
-		    index, np->full_name, port->irq);
-		return;
+	virq = irq_of_parse_and_map(np, 0);
+	if (virq == NO_IRQ && legacy_serial_infos[index].irq_check_parent) {
+		np = of_get_parent(np);
+		if (np == NULL)
+			return;
+		virq = irq_of_parse_and_map(np, 0);
+		of_node_put(np);
 	}
-
-	/* Check for interrupts in the parent */
-	np = of_get_parent(np);
-	if (np == NULL)
+	if (virq == NO_IRQ)
 		return;
 
-	if (np->n_intrs > 0) {
-		port->irq = np->intrs[0].line;
-		DBG(" port %d (%s), irq=%d\n",
-		    index, np->full_name, port->irq);
-	}
-	of_node_put(np);
+	port->irq = virq;
 }
 
 static void __init fixup_port_pio(int index,

arch/powerpc/kernel/misc_64.S

@@ -51,12 +51,14 @@ _GLOBAL(call_do_softirq)
 	mtlr	r0
 	blr
 
-_GLOBAL(call___do_IRQ)
+_GLOBAL(call_handle_irq)
+	ld	r8,0(r7)
 	mflr	r0
 	std	r0,16(r1)
-	stdu	r1,THREAD_SIZE-112(r5)
-	mr	r1,r5
-	bl	.__do_IRQ
+	mtctr	r8
+	stdu	r1,THREAD_SIZE-112(r6)
+	mr	r1,r6
+	bctrl
 	ld	r1,0(r1)
 	ld	r0,16(r1)
 	mtlr	r0

arch/powerpc/kernel/pci_32.c

@@ -1404,6 +1404,43 @@ pcibios_update_irq(struct pci_dev *dev, int irq)
 	/* XXX FIXME - update OF device tree node interrupt property */
 }
 
+#ifdef CONFIG_PPC_MERGE
+/* XXX This is a copy of the ppc64 version. This is temporary until we start
+ * merging the 2 PCI layers
+ */
+/*
+ * Reads the interrupt pin to determine if interrupt is use by card.
+ * If the interrupt is used, then gets the interrupt line from the
+ * openfirmware and sets it in the pci_dev and pci_config line.
+ */
+int pci_read_irq_line(struct pci_dev *pci_dev)
+{
+	struct of_irq oirq;
+	unsigned int virq;
+
+	DBG("Try to map irq for %s...\n", pci_name(pci_dev));
+
+	if (of_irq_map_pci(pci_dev, &oirq)) {
+		DBG(" -> failed !\n");
+		return -1;
+	}
+
+	DBG(" -> got one, spec %d cells (0x%08x...) on %s\n",
+	    oirq.size, oirq.specifier[0], oirq.controller->full_name);
+
+	virq = irq_create_of_mapping(oirq.controller, oirq.specifier, oirq.size);
+	if(virq == NO_IRQ) {
+		DBG(" -> failed to map !\n");
+		return -1;
+	}
+	pci_dev->irq = virq;
+	pci_write_config_byte(pci_dev, PCI_INTERRUPT_LINE, virq);
+
+	return 0;
+}
+EXPORT_SYMBOL(pci_read_irq_line);
+#endif /* CONFIG_PPC_MERGE */
+
 int pcibios_enable_device(struct pci_dev *dev, int mask)
 {
 	u16 cmd, old_cmd;

arch/powerpc/kernel/pci_64.c

@@ -398,12 +398,8 @@ struct pci_dev *of_create_pci_dev(struct device_node *node,
 	} else {
 		dev->hdr_type = PCI_HEADER_TYPE_NORMAL;
 		dev->rom_base_reg = PCI_ROM_ADDRESS;
+		/* Maybe do a default OF mapping here */
 		dev->irq = NO_IRQ;
-		if (node->n_intrs > 0) {
-			dev->irq = node->intrs[0].line;
-			pci_write_config_byte(dev, PCI_INTERRUPT_LINE,
-					      dev->irq);
-		}
 	}
 
 	pci_parse_of_addrs(node, dev);
@@ -1288,23 +1284,26 @@ EXPORT_SYMBOL(pcibios_fixup_bus);
  */
 int pci_read_irq_line(struct pci_dev *pci_dev)
 {
-	u8 intpin;
-	struct device_node *node;
-
-    	pci_read_config_byte(pci_dev, PCI_INTERRUPT_PIN, &intpin);
-	if (intpin == 0)
-		return 0;
+	struct of_irq oirq;
+	unsigned int virq;
 
-	node = pci_device_to_OF_node(pci_dev);
-	if (node == NULL)
-		return -1;
+	DBG("Try to map irq for %s...\n", pci_name(pci_dev));
 
-	if (node->n_intrs == 0)
+	if (of_irq_map_pci(pci_dev, &oirq)) {
+		DBG(" -> failed !\n");
 		return -1;
+	}
 
-	pci_dev->irq = node->intrs[0].line;
+	DBG(" -> got one, spec %d cells (0x%08x...) on %s\n",
+	    oirq.size, oirq.specifier[0], oirq.controller->full_name);
 
-	pci_write_config_byte(pci_dev, PCI_INTERRUPT_LINE, pci_dev->irq);
+	virq = irq_create_of_mapping(oirq.controller, oirq.specifier, oirq.size);
+	if(virq == NO_IRQ) {
+		DBG(" -> failed to map !\n");
+		return -1;
+	}
+	pci_dev->irq = virq;
+	pci_write_config_byte(pci_dev, PCI_INTERRUPT_LINE, virq);
 
 	return 0;
 }

arch/powerpc/kernel/prom_init.c

@@ -1990,12 +1990,22 @@ static void __init flatten_device_tree(void)
 static void __init fixup_device_tree_maple(void)
 {
 	phandle isa;
+	u32 rloc = 0x01002000; /* IO space; PCI device = 4 */
 	u32 isa_ranges[6];
-
-	isa = call_prom("finddevice", 1, 1, ADDR("/ht@0/isa@4"));
+	char *name;
+
+	name = "/ht@0/isa@4";
+	isa = call_prom("finddevice", 1, 1, ADDR(name));
+	if (!PHANDLE_VALID(isa)) {
+		name = "/ht@0/isa@6";
+		isa = call_prom("finddevice", 1, 1, ADDR(name));
+		rloc = 0x01003000; /* IO space; PCI device = 6 */
+	}
 	if (!PHANDLE_VALID(isa))
 		return;
 
+	if (prom_getproplen(isa, "ranges") != 12)
+		return;
 	if (prom_getprop(isa, "ranges", isa_ranges, sizeof(isa_ranges))
 		== PROM_ERROR)
 		return;
@@ -2005,15 +2015,15 @@ static void __init fixup_device_tree_maple(void)
 		isa_ranges[2] != 0x00010000)
 		return;
 
-	prom_printf("fixing up bogus ISA range on Maple...\n");
+	prom_printf("Fixing up bogus ISA range on Maple/Apache...\n");
 
 	isa_ranges[0] = 0x1;
 	isa_ranges[1] = 0x0;
-	isa_ranges[2] = 0x01002000; /* IO space; PCI device = 4 */
+	isa_ranges[2] = rloc;
 	isa_ranges[3] = 0x0;
 	isa_ranges[4] = 0x0;
 	isa_ranges[5] = 0x00010000;
-	prom_setprop(isa, "/ht@0/isa@4", "ranges",
+	prom_setprop(isa, name, "ranges",
 			isa_ranges, sizeof(isa_ranges));
 }
 #else

arch/powerpc/kernel/rtas_pci.c

@@ -297,19 +297,9 @@ unsigned long __init find_and_init_phbs(void)
 	struct device_node *node;
 	struct pci_controller *phb;
 	unsigned int index;
-	unsigned int root_size_cells = 0;
-	unsigned int *opprop = NULL;
 	struct device_node *root = of_find_node_by_path("/");
 
-	if (ppc64_interrupt_controller == IC_OPEN_PIC) {
-		opprop = (unsigned int *)get_property(root,
-				"platform-open-pic", NULL);
-	}
-
-	root_size_cells = prom_n_size_cells(root);
-
 	index = 0;
-
 	for (node = of_get_next_child(root, NULL);
 	     node != NULL;
 	     node = of_get_next_child(root, node)) {
@@ -324,13 +314,6 @@ unsigned long __init find_and_init_phbs(void)
 		setup_phb(node, phb);
 		pci_process_bridge_OF_ranges(phb, node, 0);
 		pci_setup_phb_io(phb, index == 0);
-#ifdef CONFIG_PPC_PSERIES
-		/* XXX This code need serious fixing ... --BenH */
-		if (ppc64_interrupt_controller == IC_OPEN_PIC && pSeries_mpic) {
-			int addr = root_size_cells * (index + 2) - 1;
-			mpic_assign_isu(pSeries_mpic, index, opprop[addr]);
-		}
-#endif
 		index++;
 	}
 

arch/powerpc/kernel/setup_32.c

@@ -51,7 +51,6 @@
 
 extern void bootx_init(unsigned long r4, unsigned long phys);
 
-boot_infos_t *boot_infos;
 struct ide_machdep_calls ppc_ide_md;
 
 int boot_cpuid;
@@ -240,7 +239,6 @@ void __init setup_arch(char **cmdline_p)
 		ppc_md.init_early();
 
 	find_legacy_serial_ports();
-	finish_device_tree();
 
 	smp_setup_cpu_maps();
 

arch/powerpc/kernel/setup_64.c

@@ -361,12 +361,15 @@ void __init setup_system(void)
 
 	/*
 	 * Fill the ppc64_caches & systemcfg structures with informations
-	 * retrieved from the device-tree. Need to be called before
-	 * finish_device_tree() since the later requires some of the
-	 * informations filled up here to properly parse the interrupt tree.
+ 	 * retrieved from the device-tree.
 	 */
 	initialize_cache_info();
 
+	/*
+	 * Initialize irq remapping subsystem
+	 */
+	irq_early_init();
+
 #ifdef CONFIG_PPC_RTAS
 	/*
 	 * Initialize RTAS if available
@@ -393,12 +396,6 @@ void __init setup_system(void)
 	 */
 	find_legacy_serial_ports();
 
-	/*
-	 * "Finish" the device-tree, that is do the actual parsing of
-	 * some of the properties like the interrupt map
-	 */
-	finish_device_tree();
-
 	/*
 	 * Initialize xmon
 	 */
@@ -427,8 +424,6 @@ void __init setup_system(void)
 
 	printk("-----------------------------------------------------\n");
 	printk("ppc64_pft_size                = 0x%lx\n", ppc64_pft_size);
-	printk("ppc64_interrupt_controller    = 0x%ld\n",
-	       ppc64_interrupt_controller);
 	printk("physicalMemorySize            = 0x%lx\n", lmb_phys_mem_size());
 	printk("ppc64_caches.dcache_line_size = 0x%x\n",
 	       ppc64_caches.dline_size);

arch/powerpc/kernel/vio.c

@@ -218,7 +218,6 @@ struct vio_dev * __devinit vio_register_device_node(struct device_node *of_node)
 {
 	struct vio_dev *viodev;
 	unsigned int *unit_address;
-	unsigned int *irq_p;
 
 	/* we need the 'device_type' property, in order to match with drivers */
 	if (of_node->type == NULL) {
@@ -243,16 +242,7 @@ struct vio_dev * __devinit vio_register_device_node(struct device_node *of_node)
 
 	viodev->dev.platform_data = of_node_get(of_node);
 
-	viodev->irq = NO_IRQ;
-	irq_p = (unsigned int *)get_property(of_node, "interrupts", NULL);
-	if (irq_p) {
-		int virq = virt_irq_create_mapping(*irq_p);
-		if (virq == NO_IRQ) {
-			printk(KERN_ERR "Unable to allocate interrupt "
-			       "number for %s\n", of_node->full_name);
-		} else
-			viodev->irq = irq_offset_up(virq);
-	}
+	viodev->irq = irq_of_parse_and_map(of_node, 0);
 
 	snprintf(viodev->dev.bus_id, BUS_ID_SIZE, "%x", *unit_address);
 	viodev->name = of_node->name;

arch/powerpc/platforms/83xx/Makefile

@@ -4,3 +4,4 @@
 obj-y				:= misc.o
 obj-$(CONFIG_PCI)		+= pci.o
 obj-$(CONFIG_MPC834x_SYS)	+= mpc834x_sys.o
+obj-$(CONFIG_MPC834x_ITX)	+= mpc834x_itx.o