[SPARC64]: Use in-kernel OBP device tree for PCI controller probing.

It can be pushed even further down, but this is a first step.
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc64/kernel/pci.c

@@ -22,6 +22,7 @@
 #include <asm/irq.h>
 #include <asm/ebus.h>
 #include <asm/isa.h>
+#include <asm/prom.h>
 
 unsigned long pci_memspace_mask = 0xffffffffUL;
 
@@ -177,16 +178,16 @@ void pci_config_write32(u32 *addr, u32 val)
 }
 
 /* Probe for all PCI controllers in the system. */
-extern void sabre_init(int, char *);
-extern void psycho_init(int, char *);
-extern void schizo_init(int, char *);
-extern void schizo_plus_init(int, char *);
-extern void tomatillo_init(int, char *);
-extern void sun4v_pci_init(int, char *);
+extern void sabre_init(struct device_node *, const char *);
+extern void psycho_init(struct device_node *, const char *);
+extern void schizo_init(struct device_node *, const char *);
+extern void schizo_plus_init(struct device_node *, const char *);
+extern void tomatillo_init(struct device_node *, const char *);
+extern void sun4v_pci_init(struct device_node *, const char *);
 
 static struct {
 	char *model_name;
-	void (*init)(int, char *);
+	void (*init)(struct device_node *, const char *);
 } pci_controller_table[] __initdata = {
 	{ "SUNW,sabre", sabre_init },
 	{ "pci108e,a000", sabre_init },
@@ -204,7 +205,7 @@ static struct {
 #define PCI_NUM_CONTROLLER_TYPES (sizeof(pci_controller_table) / \
 				  sizeof(pci_controller_table[0]))
 
-static int __init pci_controller_init(char *model_name, int namelen, int node)
+static int __init pci_controller_init(const char *model_name, int namelen, struct device_node *dp)
 {
 	int i;
 
@@ -212,18 +213,15 @@ static int __init pci_controller_init(char *model_name, int namelen, int node)
 		if (!strncmp(model_name,
 			     pci_controller_table[i].model_name,
 			     namelen)) {
-			pci_controller_table[i].init(node, model_name);
+			pci_controller_table[i].init(dp, model_name);
 			return 1;
 		}
 	}
-	printk("PCI: Warning unknown controller, model name [%s]\n",
-	       model_name);
-	printk("PCI: Ignoring controller...\n");
 
 	return 0;
 }
 
-static int __init pci_is_controller(char *model_name, int namelen, int node)
+static int __init pci_is_controller(const char *model_name, int namelen, struct device_node *dp)
 {
 	int i;
 
@@ -237,36 +235,35 @@ static int __init pci_is_controller(char *model_name, int namelen, int node)
 	return 0;
 }
 
-static int __init pci_controller_scan(int (*handler)(char *, int, int))
+static int __init pci_controller_scan(int (*handler)(const char *, int, struct device_node *))
 {
-	char namebuf[64];
-	int node;
+	struct device_node *dp;
 	int count = 0;
 
-	node = prom_getchild(prom_root_node);
-	while ((node = prom_searchsiblings(node, "pci")) != 0) {
+	for_each_node_by_name(dp, "pci") {
+		struct property *prop;
 		int len;
 
-		if ((len = prom_getproperty(node, "model", namebuf, sizeof(namebuf))) > 0 ||
-		    (len = prom_getproperty(node, "compatible", namebuf, sizeof(namebuf))) > 0) {
+		prop = of_find_property(dp, "model", &len);
+		if (!prop)
+			prop = of_find_property(dp, "compatible", &len);
+
+		if (prop) {
+			const char *model = prop->value;
 			int item_len = 0;
 
 			/* Our value may be a multi-valued string in the
 			 * case of some compatible properties. For sanity,
-			 * only try the first one. */
-
-			while (namebuf[item_len] && len) {
+			 * only try the first one.
+			 */
+			while (model[item_len] && len) {
 				len--;
 				item_len++;
 			}
 
-			if (handler(namebuf, item_len, node))
+			if (handler(model, item_len, dp))
 				count++;
 		}
-
-		node = prom_getsibling(node);
-		if (!node)
-			break;
 	}
 
 	return count;

arch/sparc64/kernel/pci_common.c

@@ -664,7 +664,7 @@ static unsigned int __init pci_intmap_match_to_root(struct pci_pbm_info *pbm,
 		}
 		pdev = pbus;
 
-		if (cnode == pbm->prom_node)
+		if (cnode == pbm->prom_node->node)
 			break;
 	}
 
@@ -680,7 +680,7 @@ static int __init pci_intmap_match(struct pci_dev *pdev, unsigned int *interrupt
 	int i, cnode, plen;
 
 	cnode = pci_intmap_match_to_root(pbm, pdev, interrupt);
-	if (cnode == pbm->prom_node)
+	if (cnode == pbm->prom_node->node)
 		goto success;
 
 	plen = prom_getproperty(cnode, "reg", (char *) reg, sizeof(reg));
@@ -691,10 +691,10 @@ static int __init pci_intmap_match(struct pci_dev *pdev, unsigned int *interrupt
 		goto fail;
 	}
 
-	hi   = reg[0].phys_hi & pbm->pbm_intmask.phys_hi;
-	mid  = reg[0].phys_mid & pbm->pbm_intmask.phys_mid;
-	lo   = reg[0].phys_lo & pbm->pbm_intmask.phys_lo;
-	irq  = *interrupt & pbm->pbm_intmask.interrupt;
+	hi   = reg[0].phys_hi & pbm->pbm_intmask->phys_hi;
+	mid  = reg[0].phys_mid & pbm->pbm_intmask->phys_mid;
+	lo   = reg[0].phys_lo & pbm->pbm_intmask->phys_lo;
+	irq  = *interrupt & pbm->pbm_intmask->interrupt;
 
 	for (i = 0; i < pbm->num_pbm_intmap; i++) {
 		struct linux_prom_pci_intmap *intmap;
@@ -714,7 +714,8 @@ fail:
 	return 0;
 
 success:
-	printk("PCI-IRQ: Routing bus[%2x] slot[%2x] to INO[%02x]\n",
+	printk("%s: Routing bus[%2x] slot[%2x] to INO[%02x]\n",
+	       pbm->name,
 	       pdev->bus->number, PCI_SLOT(pdev->devfn),
 	       *interrupt);
 	return 1;

arch/sparc64/kernel/pci_psycho.c

@@ -17,6 +17,7 @@
 #include <asm/iommu.h>
 #include <asm/irq.h>
 #include <asm/starfire.h>
+#include <asm/prom.h>
 
 #include "pci_impl.h"
 #include "iommu_common.h"
@@ -1103,7 +1104,7 @@ static void pbm_scan_bus(struct pci_controller_info *p,
 	pci_fixup_host_bridge_self(pbm->pci_bus);
 	pbm->pci_bus->self->sysdata = cookie;
 
-	pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node);
+	pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node->node);
 	pci_record_assignments(pbm, pbm->pci_bus);
 	pci_assign_unassigned(pbm, pbm->pci_bus);
 	pci_fixup_irq(pbm, pbm->pci_bus);
@@ -1291,11 +1292,12 @@ static void psycho_pbm_strbuf_init(struct pci_controller_info *p,
 #define PSYCHO_MEMSPACE_SIZE	0x07fffffffUL
 
 static void psycho_pbm_init(struct pci_controller_info *p,
-			    int prom_node, int is_pbm_a)
+			    struct device_node *dp, int is_pbm_a)
 {
-	unsigned int busrange[2];
+	unsigned int *busrange;
+	struct property *prop;
 	struct pci_pbm_info *pbm;
-	int err;
+	int len;
 
 	if (is_pbm_a) {
 		pbm = &p->pbm_A;
@@ -1310,10 +1312,14 @@ static void psycho_pbm_init(struct pci_controller_info *p,
 	}
 
 	pbm->chip_type = PBM_CHIP_TYPE_PSYCHO;
-	pbm->chip_version =
-		prom_getintdefault(prom_node, "version#", 0);
-	pbm->chip_revision =
-		prom_getintdefault(prom_node, "module-revision#", 0);
+	pbm->chip_version = 0;
+	prop = of_find_property(dp, "version#", NULL);
+	if (prop)
+		pbm->chip_version = *(int *) prop->value;
+	pbm->chip_revision = 0;
+	prop = of_find_property(dp, "module-revision#", NULL);
+	if (prop)
+		pbm->chip_revision = *(int *) prop->value;
 
 	pbm->io_space.end = pbm->io_space.start + PSYCHO_IOSPACE_SIZE;
 	pbm->io_space.flags = IORESOURCE_IO;
@@ -1322,45 +1328,36 @@ static void psycho_pbm_init(struct pci_controller_info *p,
 	pbm_register_toplevel_resources(p, pbm);
 
 	pbm->parent = p;
-	pbm->prom_node = prom_node;
-	prom_getstring(prom_node, "name",
-		       pbm->prom_name,
-		       sizeof(pbm->prom_name));
-
-	err = prom_getproperty(prom_node, "ranges",
-			       (char *)pbm->pbm_ranges,
-			       sizeof(pbm->pbm_ranges));
-	if (err != -1)
+	pbm->prom_node = dp;
+	pbm->name = dp->full_name;
+
+	printk("%s: PSYCHO PCI Bus Module ver[%x:%x]\n",
+	       pbm->name,
+	       pbm->chip_version, pbm->chip_revision);
+
+	prop = of_find_property(dp, "ranges", &len);
+	if (prop) {
+		pbm->pbm_ranges = prop->value;
 		pbm->num_pbm_ranges =
-			(err / sizeof(struct linux_prom_pci_ranges));
-	else
+			(len / sizeof(struct linux_prom_pci_ranges));
+	} else {
 		pbm->num_pbm_ranges = 0;
-
-	err = prom_getproperty(prom_node, "interrupt-map",
-			       (char *)pbm->pbm_intmap,
-			       sizeof(pbm->pbm_intmap));
-	if (err != -1) {
-		pbm->num_pbm_intmap = (err / sizeof(struct linux_prom_pci_intmap));
-		err = prom_getproperty(prom_node, "interrupt-map-mask",
-				       (char *)&pbm->pbm_intmask,
-				       sizeof(pbm->pbm_intmask));
-		if (err == -1) {
-			prom_printf("PSYCHO-PBM: Fatal error, no "
-				    "interrupt-map-mask.\n");
-			prom_halt();
 	}
+
+	prop = of_find_property(dp, "interrupt-map", &len);
+	if (prop) {
+		pbm->pbm_intmap = prop->value;
+		pbm->num_pbm_intmap =
+			(len / sizeof(struct linux_prom_pci_intmap));
+
+		prop = of_find_property(dp, "interrupt-map-mask", NULL);
+		pbm->pbm_intmask = prop->value;
 	} else {
 		pbm->num_pbm_intmap = 0;
-		memset(&pbm->pbm_intmask, 0, sizeof(pbm->pbm_intmask));
 	}
 
-	err = prom_getproperty(prom_node, "bus-range",
-			       (char *)&busrange[0],
-			       sizeof(busrange));
-	if (err == 0 || err == -1) {
-		prom_printf("PSYCHO-PBM: Fatal error, no bus-range.\n");
-		prom_halt();
-	}
+	prop = of_find_property(dp, "bus-range", NULL);
+	busrange = prop->value;
 	pbm->pci_first_busno = busrange[0];
 	pbm->pci_last_busno = busrange[1];
 
@@ -1369,20 +1366,24 @@ static void psycho_pbm_init(struct pci_controller_info *p,
 
 #define PSYCHO_CONFIGSPACE	0x001000000UL
 
-void psycho_init(int node, char *model_name)
+void psycho_init(struct device_node *dp, char *model_name)
 {
-	struct linux_prom64_registers pr_regs[3];
+	struct linux_prom64_registers *pr_regs;
 	struct pci_controller_info *p;
 	struct pci_iommu *iommu;
+	struct property *prop;
 	u32 upa_portid;
-	int is_pbm_a, err;
+	int is_pbm_a;
 
-	upa_portid = prom_getintdefault(node, "upa-portid", 0xff);
+	upa_portid = 0xff;
+	prop = of_find_property(dp, "upa-portid", NULL);
+	if (prop)
+		upa_portid = *(u32 *) prop->value;
 
 	for(p = pci_controller_root; p; p = p->next) {
 		if (p->pbm_A.portid == upa_portid) {
-			is_pbm_a = (p->pbm_A.prom_node == 0);
-			psycho_pbm_init(p, node, is_pbm_a);
+			is_pbm_a = (p->pbm_A.prom_node == NULL);
+			psycho_pbm_init(p, dp, is_pbm_a);
 			return;
 		}
 	}
@@ -1412,23 +1413,14 @@ void psycho_init(int node, char *model_name)
 	p->resource_adjust = psycho_resource_adjust;
 	p->pci_ops = &psycho_ops;
 
-	err = prom_getproperty(node, "reg",
-			       (char *)&pr_regs[0],
-			       sizeof(pr_regs));
-	if (err == 0 || err == -1) {
-		prom_printf("PSYCHO: Fatal error, no reg property.\n");
-		prom_halt();
-	}
+	prop = of_find_property(dp, "reg", NULL);
+	pr_regs = prop->value;
 
 	p->pbm_A.controller_regs = pr_regs[2].phys_addr;
 	p->pbm_B.controller_regs = pr_regs[2].phys_addr;
-	printk("PCI: Found PSYCHO, control regs at %016lx\n",
-	       p->pbm_A.controller_regs);
 
 	p->pbm_A.config_space = p->pbm_B.config_space =
 		(pr_regs[2].phys_addr + PSYCHO_CONFIGSPACE);
-	printk("PSYCHO: Shared PCI config space at %016lx\n",
-	       p->pbm_A.config_space);
 
 	/*
 	 * Psycho's PCI MEM space is mapped to a 2GB aligned area, so
@@ -1441,5 +1433,5 @@ void psycho_init(int node, char *model_name)
 	psycho_iommu_init(p);
 
 	is_pbm_a = ((pr_regs[0].phys_addr & 0x6000) == 0x2000);
-	psycho_pbm_init(p, node, is_pbm_a);
+	psycho_pbm_init(p, dp, is_pbm_a);
 }

arch/sparc64/kernel/pci_sabre.c

@@ -19,6 +19,7 @@
 #include <asm/irq.h>
 #include <asm/smp.h>
 #include <asm/oplib.h>
+#include <asm/prom.h>
 
 #include "pci_impl.h"
 #include "iommu_common.h"
@@ -1160,7 +1161,7 @@ static void sabre_scan_bus(struct pci_controller_info *p)
 
 		pbus->sysdata = pbm;
 		pbm->pci_bus = pbus;
-		pci_fill_in_pbm_cookies(pbus, pbm, pbm->prom_node);
+		pci_fill_in_pbm_cookies(pbus, pbm, pbm->prom_node->node);
 		pci_record_assignments(pbm, pbus);
 		pci_assign_unassigned(pbm, pbus);
 		pci_fixup_irq(pbm, pbus);
@@ -1173,7 +1174,7 @@ static void sabre_scan_bus(struct pci_controller_info *p)
 		pbm = &p->pbm_A;
 		sabre_bus->sysdata = pbm;
 		pbm->pci_bus = sabre_bus;
-		pci_fill_in_pbm_cookies(sabre_bus, pbm, pbm->prom_node);
+		pci_fill_in_pbm_cookies(sabre_bus, pbm, pbm->prom_node->node);
 		pci_record_assignments(pbm, sabre_bus);
 		pci_assign_unassigned(pbm, sabre_bus);
 		pci_fixup_irq(pbm, sabre_bus);
@@ -1306,34 +1307,36 @@ static void pbm_register_toplevel_resources(struct pci_controller_info *p,
 					    &pbm->mem_space);
 }
 
-static void sabre_pbm_init(struct pci_controller_info *p, int sabre_node, u32 dma_begin)
+static void sabre_pbm_init(struct pci_controller_info *p, struct device_node *dp, u32 dma_begin)
 {
 	struct pci_pbm_info *pbm;
-	char namebuf[128];
-	u32 busrange[2];
-	int node, simbas_found;
+	struct device_node *node;
+	struct property *prop;
+	u32 *busrange;
+	int len, simbas_found;
 
 	simbas_found = 0;
-	node = prom_getchild(sabre_node);
-	while ((node = prom_searchsiblings(node, "pci")) != 0) {
-		int err;
-
-		err = prom_getproperty(node, "model", namebuf, sizeof(namebuf));
-		if ((err <= 0) || strncmp(namebuf, "SUNW,simba", err))
+	node = dp->child;
+	while (node != NULL) {
+		if (strcmp(node->name, "pci"))
 			goto next_pci;
 
-		err = prom_getproperty(node, "bus-range",
-				       (char *)&busrange[0], sizeof(busrange));
-		if (err == 0 || err == -1) {
-			prom_printf("APB: Error, cannot get PCI bus-range.\n");
-			prom_halt();
-		}
+		prop = of_find_property(node, "model", NULL);
+		if (!prop || strncmp(prop->value, "SUNW,simba", prop->length))
+			goto next_pci;
 
 		simbas_found++;
+
+		prop = of_find_property(node, "bus-range", NULL);
+		busrange = prop->value;
 		if (busrange[0] == 1)
 			pbm = &p->pbm_B;
 		else
 			pbm = &p->pbm_A;
+
+		pbm->name = node->full_name;
+		printk("%s: SABRE PCI Bus Module\n", pbm->name);
+
 		pbm->chip_type = PBM_CHIP_TYPE_SABRE;
 		pbm->parent = p;
 		pbm->prom_node = node;
@@ -1341,83 +1344,68 @@ static void sabre_pbm_init(struct pci_controller_info *p, int sabre_node, u32 dm
 		pbm->pci_first_busno = busrange[0];
 		pbm->pci_last_busno = busrange[1];
 
-		prom_getstring(node, "name", pbm->prom_name, sizeof(pbm->prom_name));
-		err = prom_getproperty(node, "ranges",
-				       (char *)pbm->pbm_ranges,
-				       sizeof(pbm->pbm_ranges));
-		if (err != -1)
+		prop = of_find_property(node, "ranges", &len);
+		if (prop) {
+			pbm->pbm_ranges = prop->value;
 			pbm->num_pbm_ranges =
-				(err / sizeof(struct linux_prom_pci_ranges));
-		else
+				(len / sizeof(struct linux_prom_pci_ranges));
+		} else {
 			pbm->num_pbm_ranges = 0;
-
-		err = prom_getproperty(node, "interrupt-map",
-				       (char *)pbm->pbm_intmap,
-				       sizeof(pbm->pbm_intmap));
-		if (err != -1) {
-			pbm->num_pbm_intmap = (err / sizeof(struct linux_prom_pci_intmap));
-			err = prom_getproperty(node, "interrupt-map-mask",
-					       (char *)&pbm->pbm_intmask,
-					       sizeof(pbm->pbm_intmask));
-			if (err == -1) {
-				prom_printf("APB: Fatal error, no interrupt-map-mask.\n");
-				prom_halt();
 		}
+
+		prop = of_find_property(node, "interrupt-map", &len);
+		if (prop) {
+			pbm->pbm_intmap = prop->value;
+			pbm->num_pbm_intmap =
+				(len / sizeof(struct linux_prom_pci_intmap));
+
+			prop = of_find_property(node, "interrupt-map-mask",
+						NULL);
+			pbm->pbm_intmask = prop->value;
 		} else {
 			pbm->num_pbm_intmap = 0;
-			memset(&pbm->pbm_intmask, 0, sizeof(pbm->pbm_intmask));
 		}
 
 		pbm_register_toplevel_resources(p, pbm);
 
 	next_pci:
-		node = prom_getsibling(node);
-		if (!node)
-			break;
+		node = node->sibling;
 	}
 	if (simbas_found == 0) {
-		int err;
-
 		/* No APBs underneath, probably this is a hummingbird
 		 * system.
 		 */
 		pbm = &p->pbm_A;
 		pbm->parent = p;
-		pbm->prom_node = sabre_node;
+		pbm->prom_node = dp;
 		pbm->pci_first_busno = p->pci_first_busno;
 		pbm->pci_last_busno = p->pci_last_busno;
 
-		prom_getstring(sabre_node, "name", pbm->prom_name, sizeof(pbm->prom_name));
-		err = prom_getproperty(sabre_node, "ranges",
-				       (char *) pbm->pbm_ranges,
-				       sizeof(pbm->pbm_ranges));
-		if (err != -1)
+		prop = of_find_property(dp, "ranges", &len);
+		if (prop) {
+			pbm->pbm_ranges = prop->value;
 			pbm->num_pbm_ranges =
-				(err / sizeof(struct linux_prom_pci_ranges));
-		else
+				(len / sizeof(struct linux_prom_pci_ranges));
+		} else {
 			pbm->num_pbm_ranges = 0;
-
-		err = prom_getproperty(sabre_node, "interrupt-map",
-				       (char *) pbm->pbm_intmap,
-				       sizeof(pbm->pbm_intmap));
-
-		if (err != -1) {
-			pbm->num_pbm_intmap = (err / sizeof(struct linux_prom_pci_intmap));
-			err = prom_getproperty(sabre_node, "interrupt-map-mask",
-					       (char *)&pbm->pbm_intmask,
-					       sizeof(pbm->pbm_intmask));
-			if (err == -1) {
-				prom_printf("Hummingbird: Fatal error, no interrupt-map-mask.\n");
-				prom_halt();
 		}
+
+		prop = of_find_property(dp, "interrupt-map", &len);
+		if (prop) {
+			pbm->pbm_intmap = prop->value;
+			pbm->num_pbm_intmap =
+				(len / sizeof(struct linux_prom_pci_intmap));
+
+			prop = of_find_property(dp, "interrupt-map-mask",
+						NULL);
+			pbm->pbm_intmask = prop->value;
 		} else {
 			pbm->num_pbm_intmap = 0;
-			memset(&pbm->pbm_intmask, 0, sizeof(pbm->pbm_intmask));
 		}
 
+		pbm->name = dp->full_name;
+		printk("%s: SABRE PCI Bus Module\n", pbm->name);
 
-		sprintf(pbm->name, "SABRE%d PBM%c", p->index,
-			(pbm == &p->pbm_A ? 'A' : 'B'));
 		pbm->io_space.name = pbm->mem_space.name = pbm->name;
 
 		/* Hack up top-level resources. */
@@ -1443,14 +1431,15 @@ static void sabre_pbm_init(struct pci_controller_info *p, int sabre_node, u32 dm
 	}
 }
 
-void sabre_init(int pnode, char *model_name)
+void sabre_init(struct device_node *dp, char *model_name)
 {
-	struct linux_prom64_registers pr_regs[2];
+	struct linux_prom64_registers *pr_regs;
 	struct pci_controller_info *p;
 	struct pci_iommu *iommu;
-	int tsbsize, err;
-	u32 busrange[2];
-	u32 vdma[2];
+	struct property *prop;
+	int tsbsize;
+	u32 *busrange;
+	u32 *vdma;
 	u32 upa_portid, dma_mask;
 	u64 clear_irq;
 
@@ -1458,13 +1447,15 @@ void sabre_init(int pnode, char *model_name)
 	if (!strcmp(model_name, "pci108e,a001"))
 		hummingbird_p = 1;
 	else if (!strcmp(model_name, "SUNW,sabre")) {
-		char compat[64];
+		prop = of_find_property(dp, "compatible", NULL);
+		if (prop) {
+			const char *compat = prop->value;
 
-		if (prom_getproperty(pnode, "compatible",
-				     compat, sizeof(compat)) > 0 &&
-		    !strcmp(compat, "pci108e,a001")) {
+			if (!strcmp(compat, "pci108e,a001"))
 				hummingbird_p = 1;
-		} else {
+		}
+		if (!hummingbird_p) {
+			char compat[64];
 			int cpu_node;
 
 			/* Of course, Sun has to encode things a thousand
@@ -1491,7 +1482,10 @@ void sabre_init(int pnode, char *model_name)
 	}
 	p->pbm_A.iommu = p->pbm_B.iommu = iommu;
 
-	upa_portid = prom_getintdefault(pnode, "upa-portid", 0xff);
+	upa_portid = 0xff;
+	prop = of_find_property(dp, "upa-portid", NULL);
+	if (prop)
+		upa_portid = *(u32 *) prop->value;
 
 	p->next = pci_controller_root;
 	pci_controller_root = p;
@@ -1509,13 +1503,9 @@ void sabre_init(int pnode, char *model_name)
 	/*
 	 * Map in SABRE register set and report the presence of this SABRE.
 	 */
-	err = prom_getproperty(pnode, "reg",
-			       (char *)&pr_regs[0], sizeof(pr_regs));
-	if(err == 0 || err == -1) {
-		prom_printf("SABRE: Error, cannot get U2P registers "
-			    "from PROM.\n");
-		prom_halt();
-	}
+	
+	prop = of_find_property(dp, "reg", NULL);
+	pr_regs = prop->value;
 
 	/*
 	 * First REG in property is base of entire SABRE register space.
@@ -1523,9 +1513,6 @@ void sabre_init(int pnode, char *model_name)
 	p->pbm_A.controller_regs = pr_regs[0].phys_addr;
 	p->pbm_B.controller_regs = pr_regs[0].phys_addr;
 
-	printk("PCI: Found SABRE, main regs at %016lx\n",
-	       p->pbm_A.controller_regs);
-
 	/* Clear interrupts */
 
 	/* PCI first */
@@ -1544,16 +1531,9 @@ void sabre_init(int pnode, char *model_name)
 	/* Now map in PCI config space for entire SABRE. */
 	p->pbm_A.config_space = p->pbm_B.config_space =
 		(p->pbm_A.controller_regs + SABRE_CONFIGSPACE);
-	printk("SABRE: Shared PCI config space at %016lx\n",
-	       p->pbm_A.config_space);
-
-	err = prom_getproperty(pnode, "virtual-dma",
-			       (char *)&vdma[0], sizeof(vdma));
-	if(err == 0 || err == -1) {
-		prom_printf("SABRE: Error, cannot get virtual-dma property "
-			    "from PROM.\n");
-		prom_halt();
-	}
+
+	prop = of_find_property(dp, "virtual-dma", NULL);
+	vdma = prop->value;
 
 	dma_mask = vdma[0];
 	switch(vdma[1]) {
@@ -1577,21 +1557,13 @@ void sabre_init(int pnode, char *model_name)
 
 	sabre_iommu_init(p, tsbsize, vdma[0], dma_mask);
 
-	printk("SABRE: DVMA at %08x [%08x]\n", vdma[0], vdma[1]);
-
-	err = prom_getproperty(pnode, "bus-range",
-				       (char *)&busrange[0], sizeof(busrange));
-	if(err == 0 || err == -1) {
-		prom_printf("SABRE: Error, cannot get PCI bus-range "
-			    " from PROM.\n");
-		prom_halt();
-	}
-
+	prop = of_find_property(dp, "bus-range", NULL);
+	busrange = prop->value;
 	p->pci_first_busno = busrange[0];
 	p->pci_last_busno = busrange[1];
 
 	/*
 	 * Look for APB underneath.
 	 */
-	sabre_pbm_init(p, pnode, vdma[0]);
+	sabre_pbm_init(p, dp, vdma[0]);
 }

arch/sparc64/kernel/pci_schizo.c

@@ -16,6 +16,7 @@
 #include <asm/irq.h>
 #include <asm/upa.h>
 #include <asm/pstate.h>
+#include <asm/prom.h>
 
 #include "pci_impl.h"
 #include "iommu_common.h"
@@ -1437,7 +1438,7 @@ static void pbm_scan_bus(struct pci_controller_info *p,
 	pci_fixup_host_bridge_self(pbm->pci_bus);
 	pbm->pci_bus->self->sysdata = cookie;
 
-	pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node);
+	pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node->node);
 	pci_record_assignments(pbm, pbm->pci_bus);
 	pci_assign_unassigned(pbm, pbm->pci_bus);
 	pci_fixup_irq(pbm, pbm->pci_bus);
@@ -1456,10 +1457,12 @@ static void __schizo_scan_bus(struct pci_controller_info *p,
 
 	pbm_config_busmastering(&p->pbm_B);
 	p->pbm_B.is_66mhz_capable =
-		prom_getbool(p->pbm_B.prom_node, "66mhz-capable");
+		(of_find_property(p->pbm_B.prom_node, "66mhz-capable", NULL)
+		 != NULL);
 	pbm_config_busmastering(&p->pbm_A);
 	p->pbm_A.is_66mhz_capable =
-		prom_getbool(p->pbm_A.prom_node, "66mhz-capable");
+		(of_find_property(p->pbm_A.prom_node, "66mhz-capable", NULL)
+		 != NULL);
 	pbm_scan_bus(p, &p->pbm_B);
 	pbm_scan_bus(p, &p->pbm_A);
 
@@ -1661,13 +1664,18 @@ static void schizo_pbm_iommu_init(struct pci_pbm_info *pbm)
 {
 	struct pci_iommu *iommu = pbm->iommu;
 	unsigned long i, tagbase, database;
+	struct property *prop;
 	u32 vdma[2], dma_mask;
 	u64 control;
-	int err, tsbsize;
+	int tsbsize;
 
-	err = prom_getproperty(pbm->prom_node, "virtual-dma",
-			       (char *)&vdma[0], sizeof(vdma));
-	if (err == 0 || err == -1) {
+	prop = of_find_property(pbm->prom_node, "virtual-dma", NULL);
+	if (prop) {
+		u32 *val = prop->value;
+
+		vdma[0] = val[0];
+		vdma[1] = val[1];
+	} else {
 		/* No property, use default values. */
 		vdma[0] = 0xc0000000;
 		vdma[1] = 0x40000000;
@@ -1778,6 +1786,7 @@ static void schizo_pbm_iommu_init(struct pci_pbm_info *pbm)
 
 static void schizo_pbm_hw_init(struct pci_pbm_info *pbm)
 {
+	struct property *prop;
 	u64 tmp;
 
 	schizo_write(pbm->pbm_regs + SCHIZO_PCI_IRQ_RETRY, 5);
@@ -1791,7 +1800,8 @@ static void schizo_pbm_hw_init(struct pci_pbm_info *pbm)
 	    pbm->chip_version >= 0x2)
 		tmp |= 0x3UL << SCHIZO_PCICTRL_PTO_SHIFT;
 
-	if (!prom_getbool(pbm->prom_node, "no-bus-parking"))
+	prop = of_find_property(pbm->prom_node, "no-bus-parking", NULL);
+	if (!prop)
 		tmp |= SCHIZO_PCICTRL_PARK;
 	else
 		tmp &= ~SCHIZO_PCICTRL_PARK;
@@ -1831,16 +1841,17 @@ static void schizo_pbm_hw_init(struct pci_pbm_info *pbm)
 }
 
 static void schizo_pbm_init(struct pci_controller_info *p,
-			    int prom_node, u32 portid,
+			    struct device_node *dp, u32 portid,
 			    int chip_type)
 {
-	struct linux_prom64_registers pr_regs[4];
-	unsigned int busrange[2];
+	struct linux_prom64_registers *regs;
+	struct property *prop;
+	unsigned int *busrange;
 	struct pci_pbm_info *pbm;
 	const char *chipset_name;
-	u32 ino_bitmap[2];
+	u32 *ino_bitmap;
 	int is_pbm_a;
-	int err;
+	int len;
 
 	switch (chip_type) {
 	case PBM_CHIP_TYPE_TOMATILLO:
@@ -1868,16 +1879,10 @@ static void schizo_pbm_init(struct pci_controller_info *p,
 	 * 3) PBM PCI config space
 	 * 4) Ichip regs
 	 */
-	err = prom_getproperty(prom_node, "reg",
-			       (char *)&pr_regs[0],
-			       sizeof(pr_regs));
-	if (err == 0 || err == -1) {
-		prom_printf("%s: Fatal error, no reg property.\n",
-			    chipset_name);
-		prom_halt();
-	}
+	prop = of_find_property(dp, "reg", NULL);
+	regs = prop->value;
 
-	is_pbm_a = ((pr_regs[0].phys_addr & 0x00700000) == 0x00600000);
+	is_pbm_a = ((regs[0].phys_addr & 0x00700000) == 0x00600000);
 
 	if (is_pbm_a)
 		pbm = &p->pbm_A;
@@ -1886,92 +1891,62 @@ static void schizo_pbm_init(struct pci_controller_info *p,
 
 	pbm->portid = portid;
 	pbm->parent = p;
-	pbm->prom_node = prom_node;
+	pbm->prom_node = dp;
 	pbm->pci_first_slot = 1;
 
 	pbm->chip_type = chip_type;
-	pbm->chip_version =
-		prom_getintdefault(prom_node, "version#", 0);
-	pbm->chip_revision =
-		prom_getintdefault(prom_node, "module-revision#", 0);
-
-	pbm->pbm_regs = pr_regs[0].phys_addr;
-	pbm->controller_regs = pr_regs[1].phys_addr - 0x10000UL;
+	pbm->chip_version = 0;
+	prop = of_find_property(dp, "version#", NULL);
+	if (prop)
+		pbm->chip_version = *(int *) prop->value;
+	pbm->chip_revision = 0;
+	prop = of_find_property(dp, "module-revision#", NULL);
+	if (prop)
+		pbm->chip_revision = *(int *) prop->value;
+
+	pbm->pbm_regs = regs[0].phys_addr;
+	pbm->controller_regs = regs[1].phys_addr - 0x10000UL;
 
 	if (chip_type == PBM_CHIP_TYPE_TOMATILLO)
-		pbm->sync_reg = pr_regs[3].phys_addr + 0x1a18UL;
+		pbm->sync_reg = regs[3].phys_addr + 0x1a18UL;
 
-	sprintf(pbm->name,
-		(chip_type == PBM_CHIP_TYPE_TOMATILLO ?
-		 "TOMATILLO%d PBM%c" :
-		 "SCHIZO%d PBM%c"),
-		p->index,
-		(pbm == &p->pbm_A ? 'A' : 'B'));
+	pbm->name = dp->full_name;
 
-	printk("%s: ver[%x:%x], portid %x, "
-	       "cregs[%lx] pregs[%lx]\n",
+	printk("%s: %s PCI Bus Module ver[%x:%x]\n",
 	       pbm->name,
-	       pbm->chip_version, pbm->chip_revision,
-	       pbm->portid,
-	       pbm->controller_regs,
-	       pbm->pbm_regs);
+	       (chip_type == PBM_CHIP_TYPE_TOMATILLO ?
+		"TOMATILLO" : "SCHIZO"),
+	       pbm->chip_version, pbm->chip_revision);
 
 	schizo_pbm_hw_init(pbm);
 
-	prom_getstring(prom_node, "name",
-		       pbm->prom_name,
-		       sizeof(pbm->prom_name));
-
-	err = prom_getproperty(prom_node, "ranges",
-			       (char *) pbm->pbm_ranges,
-			       sizeof(pbm->pbm_ranges));
-	if (err == 0 || err == -1) {
-		prom_printf("%s: Fatal error, no ranges property.\n",
-			    pbm->name);
-		prom_halt();
-	}
-
+	prop = of_find_property(dp, "ranges", &len);
+	pbm->pbm_ranges = prop->value;
 	pbm->num_pbm_ranges =
-		(err / sizeof(struct linux_prom_pci_ranges));
+		(len / sizeof(struct linux_prom_pci_ranges));
 
 	schizo_determine_mem_io_space(pbm);
 	pbm_register_toplevel_resources(p, pbm);
 
-	err = prom_getproperty(prom_node, "interrupt-map",
-			       (char *)pbm->pbm_intmap,
-			       sizeof(pbm->pbm_intmap));
-	if (err != -1) {
-		pbm->num_pbm_intmap = (err / sizeof(struct linux_prom_pci_intmap));
-		err = prom_getproperty(prom_node, "interrupt-map-mask",
-				       (char *)&pbm->pbm_intmask,
-				       sizeof(pbm->pbm_intmask));
-		if (err == -1) {
-			prom_printf("%s: Fatal error, no "
-				    "interrupt-map-mask.\n", pbm->name);
-			prom_halt();
-		}
+	prop = of_find_property(dp, "interrupt-map", &len);
+	if (prop) {
+		pbm->pbm_intmap = prop->value;
+		pbm->num_pbm_intmap =
+			(len / sizeof(struct linux_prom_pci_intmap));
+
+		prop = of_find_property(dp, "interrupt-map-mask", NULL);
+		pbm->pbm_intmask = prop->value;
 	} else {
 		pbm->num_pbm_intmap = 0;
-		memset(&pbm->pbm_intmask, 0, sizeof(pbm->pbm_intmask));
 	}
 
-	err = prom_getproperty(prom_node, "ino-bitmap",
-			       (char *) &ino_bitmap[0],
-			       sizeof(ino_bitmap));
-	if (err == 0 || err == -1) {
-		prom_printf("%s: Fatal error, no ino-bitmap.\n", pbm->name);
-		prom_halt();
-	}
+	prop = of_find_property(dp, "ino-bitmap", NULL);
+	ino_bitmap = prop->value;
 	pbm->ino_bitmap = (((u64)ino_bitmap[1] << 32UL) |
 			   ((u64)ino_bitmap[0] <<  0UL));
 
-	err = prom_getproperty(prom_node, "bus-range",
-			       (char *)&busrange[0],
-			       sizeof(busrange));
-	if (err == 0 || err == -1) {
-		prom_printf("%s: Fatal error, no bus-range.\n", pbm->name);
-		prom_halt();
-	}
+	prop = of_find_property(dp, "bus-range", NULL);
+	busrange = prop->value;
 	pbm->pci_first_busno = busrange[0];
 	pbm->pci_last_busno = busrange[1];
 
@@ -1989,16 +1964,20 @@ static inline int portid_compare(u32 x, u32 y, int chip_type)
 	return (x == y);
 }
 
-static void __schizo_init(int node, char *model_name, int chip_type)
+static void __schizo_init(struct device_node *dp, char *model_name, int chip_type)
 {
 	struct pci_controller_info *p;
 	struct pci_iommu *iommu;
+	struct property *prop;
 	int is_pbm_a;
 	u32 portid;
 
-	portid = prom_getintdefault(node, "portid", 0xff);
+	portid = 0xff;
+	prop = of_find_property(dp, "portid", NULL);
+	if (prop)
+		portid = *(u32 *) prop->value;
 
-	for(p = pci_controller_root; p; p = p->next) {
+	for (p = pci_controller_root; p; p = p->next) {
 		struct pci_pbm_info *pbm;
 
 		if (p->pbm_A.prom_node && p->pbm_B.prom_node)
@@ -2009,8 +1988,8 @@ static void __schizo_init(int node, char *model_name, int chip_type)
 		       &p->pbm_B);
 
 		if (portid_compare(pbm->portid, portid, chip_type)) {
-			is_pbm_a = (p->pbm_A.prom_node == 0);
-			schizo_pbm_init(p, node, portid, chip_type);
+			is_pbm_a = (p->pbm_A.prom_node == NULL);
+			schizo_pbm_init(p, dp, portid, chip_type);
 			return;
 		}
 	}
@@ -2051,20 +2030,20 @@ static void __schizo_init(int node, char *model_name, int chip_type)
 	/* Like PSYCHO we have a 2GB aligned area for memory space. */
 	pci_memspace_mask = 0x7fffffffUL;
 
-	schizo_pbm_init(p, node, portid, chip_type);
+	schizo_pbm_init(p, dp, portid, chip_type);
 }
 
-void schizo_init(int node, char *model_name)
+void schizo_init(struct device_node *dp, char *model_name)
 {
-	__schizo_init(node, model_name, PBM_CHIP_TYPE_SCHIZO);
+	__schizo_init(dp, model_name, PBM_CHIP_TYPE_SCHIZO);
 }
 
-void schizo_plus_init(int node, char *model_name)
+void schizo_plus_init(struct device_node *dp, char *model_name)
 {
-	__schizo_init(node, model_name, PBM_CHIP_TYPE_SCHIZO_PLUS);
+	__schizo_init(dp, model_name, PBM_CHIP_TYPE_SCHIZO_PLUS);
 }
 
-void tomatillo_init(int node, char *model_name)
+void tomatillo_init(struct device_node *dp, char *model_name)
 {
-	__schizo_init(node, model_name, PBM_CHIP_TYPE_TOMATILLO);
+	__schizo_init(dp, model_name, PBM_CHIP_TYPE_TOMATILLO);
 }

arch/sparc64/kernel/pci_sun4v.c

@@ -18,6 +18,7 @@
 #include <asm/pstate.h>
 #include <asm/oplib.h>
 #include <asm/hypervisor.h>
+#include <asm/prom.h>
 
 #include "pci_impl.h"
 #include "iommu_common.h"
@@ -646,35 +647,37 @@ static int pdev_htab_add(u32 devhandle, unsigned int bus, unsigned int device, u
 /* Recursively descend into the OBP device tree, rooted at toplevel_node,
  * looking for a PCI device matching bus and devfn.
  */
-static int obp_find(struct linux_prom_pci_registers *pregs, int toplevel_node, unsigned int bus, unsigned int devfn)
+static int obp_find(struct device_node *toplevel_node, unsigned int bus, unsigned int devfn)
 {
-	toplevel_node = prom_getchild(toplevel_node);
+	toplevel_node = toplevel_node->child;
 
-	while (toplevel_node != 0) {
-		int ret = obp_find(pregs, toplevel_node, bus, devfn);
+	while (toplevel_node != NULL) {
+		struct linux_prom_pci_registers *regs;
+		struct property *prop;
+		int ret;
 
+		ret = obp_find(toplevel_node, bus, devfn);
 		if (ret != 0)
 			return ret;
 
-		ret = prom_getproperty(toplevel_node, "reg", (char *) pregs,
-				       sizeof(*pregs) * PROMREG_MAX);
-		if (ret == 0 || ret == -1)
+		prop = of_find_property(toplevel_node, "reg", NULL);
+		if (!prop)
 			goto next_sibling;
 
-		if (((pregs[0].phys_hi >> 16) & 0xff) == bus &&
-		    ((pregs[0].phys_hi >> 8) & 0xff) == devfn)
+		regs = prop->value;
+		if (((regs->phys_hi >> 16) & 0xff) == bus &&
+		    ((regs->phys_hi >> 8) & 0xff) == devfn)
 			break;
 
 	next_sibling:
-		toplevel_node = prom_getsibling(toplevel_node);
+		toplevel_node = toplevel_node->sibling;
 	}
 
-	return toplevel_node;
+	return toplevel_node != NULL;
 }
 
 static int pdev_htab_populate(struct pci_pbm_info *pbm)
 {
-	struct linux_prom_pci_registers pr[PROMREG_MAX];
 	u32 devhandle = pbm->devhandle;
 	unsigned int bus;
 
@@ -685,7 +688,7 @@ static int pdev_htab_populate(struct pci_pbm_info *pbm)
 			unsigned int device = PCI_SLOT(devfn);
 			unsigned int func = PCI_FUNC(devfn);
 
-			if (obp_find(pr, pbm->prom_node, bus, devfn)) {
+			if (obp_find(pbm->prom_node, bus, devfn)) {
 				int err = pdev_htab_add(devhandle, bus,
 							device, func);
 				if (err)
@@ -812,7 +815,7 @@ static void pbm_scan_bus(struct pci_controller_info *p,
 	pbm->pci_bus->self->sysdata = cookie;
 #endif
 	pci_fill_in_pbm_cookies(pbm->pci_bus, pbm,
-				pbm->prom_node);
+				pbm->prom_node->node);
 	pci_record_assignments(pbm, pbm->pci_bus);
 	pci_assign_unassigned(pbm, pbm->pci_bus);
 	pci_fixup_irq(pbm, pbm->pci_bus);
@@ -822,15 +825,18 @@ static void pbm_scan_bus(struct pci_controller_info *p,
 
 static void pci_sun4v_scan_bus(struct pci_controller_info *p)
 {
-	if (p->pbm_A.prom_node) {
-		p->pbm_A.is_66mhz_capable =
-			prom_getbool(p->pbm_A.prom_node, "66mhz-capable");
+	struct property *prop;
+	struct device_node *dp;
+
+	if ((dp = p->pbm_A.prom_node) != NULL) {
+		prop = of_find_property(dp, "66mhz-capable", NULL);
+		p->pbm_A.is_66mhz_capable = (prop != NULL);
 
 		pbm_scan_bus(p, &p->pbm_A);
 	}
-	if (p->pbm_B.prom_node) {
-		p->pbm_B.is_66mhz_capable =
-			prom_getbool(p->pbm_B.prom_node, "66mhz-capable");
+	if ((dp = p->pbm_B.prom_node) != NULL) {
+		prop = of_find_property(dp, "66mhz-capable", NULL);
+		p->pbm_B.is_66mhz_capable = (prop != NULL);
 
 		pbm_scan_bus(p, &p->pbm_B);
 	}
@@ -993,13 +999,18 @@ static unsigned long probe_existing_entries(struct pci_pbm_info *pbm,
 static void pci_sun4v_iommu_init(struct pci_pbm_info *pbm)
 {
 	struct pci_iommu *iommu = pbm->iommu;
+	struct property *prop;
 	unsigned long num_tsb_entries, sz;
 	u32 vdma[2], dma_mask, dma_offset;
-	int err, tsbsize;
+	int tsbsize;
+
+	prop = of_find_property(pbm->prom_node, "virtual-dma", NULL);
+	if (prop) {
+		u32 *val = prop->value;
 
-	err = prom_getproperty(pbm->prom_node, "virtual-dma",
-			       (char *)&vdma[0], sizeof(vdma));
-	if (err == 0 || err == -1) {
+		vdma[0] = val[0];
+		vdma[1] = val[1];
+	} else {
 		/* No property, use default values. */
 		vdma[0] = 0x80000000;
 		vdma[1] = 0x80000000;
@@ -1058,27 +1069,23 @@ static void pci_sun4v_iommu_init(struct pci_pbm_info *pbm)
 
 static void pci_sun4v_get_bus_range(struct pci_pbm_info *pbm)
 {
-	unsigned int busrange[2];
-	int prom_node = pbm->prom_node;
-	int err;
-
-	err = prom_getproperty(prom_node, "bus-range",
-			       (char *)&busrange[0],
-			       sizeof(busrange));
-	if (err == 0 || err == -1) {
-		prom_printf("%s: Fatal error, no bus-range.\n", pbm->name);
-		prom_halt();
-	}
+	struct property *prop;
+	unsigned int *busrange;
+
+	prop = of_find_property(pbm->prom_node, "bus-range", NULL);
+
+	busrange = prop->value;
 
 	pbm->pci_first_busno = busrange[0];
 	pbm->pci_last_busno = busrange[1];
 
 }
 
-static void pci_sun4v_pbm_init(struct pci_controller_info *p, int prom_node, u32 devhandle)
+static void pci_sun4v_pbm_init(struct pci_controller_info *p, struct device_node *dp, u32 devhandle)
 {
 	struct pci_pbm_info *pbm;
-	int err, i;
+	struct property *prop;
+	int len, i;
 
 	if (devhandle & 0x40)
 		pbm = &p->pbm_B;
@@ -1086,32 +1093,19 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, int prom_node, u32
 		pbm = &p->pbm_A;
 
 	pbm->parent = p;
-	pbm->prom_node = prom_node;
+	pbm->prom_node = dp;
 	pbm->pci_first_slot = 1;
 
 	pbm->devhandle = devhandle;
 
-	sprintf(pbm->name, "SUN4V-PCI%d PBM%c",
-		p->index, (pbm == &p->pbm_A ? 'A' : 'B'));
-
-	printk("%s: devhandle[%x] prom_node[%x:%x]\n",
-	       pbm->name, pbm->devhandle,
-	       pbm->prom_node, prom_getchild(pbm->prom_node));
+	pbm->name = dp->full_name;
 
-	prom_getstring(prom_node, "name",
-		       pbm->prom_name, sizeof(pbm->prom_name));
-
-	err = prom_getproperty(prom_node, "ranges",
-			       (char *) pbm->pbm_ranges,
-			       sizeof(pbm->pbm_ranges));
-	if (err == 0 || err == -1) {
-		prom_printf("%s: Fatal error, no ranges property.\n",
-			    pbm->name);
-		prom_halt();
-	}
+	printk("%s: SUN4V PCI Bus Module\n", pbm->name);
 
+	prop = of_find_property(dp, "ranges", &len);
+	pbm->pbm_ranges = prop->value;
 	pbm->num_pbm_ranges =
-		(err / sizeof(struct linux_prom_pci_ranges));
+		(len / sizeof(struct linux_prom_pci_ranges));
 
 	/* Mask out the top 8 bits of the ranges, leaving the real
 	 * physical address.
@@ -1122,24 +1116,13 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, int prom_node, u32
 	pci_sun4v_determine_mem_io_space(pbm);
 	pbm_register_toplevel_resources(p, pbm);
 
-	err = prom_getproperty(prom_node, "interrupt-map",
-			       (char *)pbm->pbm_intmap,
-			       sizeof(pbm->pbm_intmap));
-	if (err == 0 || err == -1) {
-		prom_printf("%s: Fatal error, no interrupt-map property.\n",
-			    pbm->name);
-		prom_halt();
-	}
+	prop = of_find_property(dp, "interrupt-map", &len);
+	pbm->pbm_intmap = prop->value;
+	pbm->num_pbm_intmap =
+		(len / sizeof(struct linux_prom_pci_intmap));
 
-	pbm->num_pbm_intmap = (err / sizeof(struct linux_prom_pci_intmap));
-	err = prom_getproperty(prom_node, "interrupt-map-mask",
-			       (char *)&pbm->pbm_intmask,
-			       sizeof(pbm->pbm_intmask));
-	if (err == 0 || err == -1) {
-		prom_printf("%s: Fatal error, no interrupt-map-mask.\n",
-			    pbm->name);
-		prom_halt();
-	}
+	prop = of_find_property(dp, "interrupt-map-mask", NULL);
+	pbm->pbm_intmask = prop->value;
 
 	pci_sun4v_get_bus_range(pbm);
 	pci_sun4v_iommu_init(pbm);
@@ -1147,16 +1130,19 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, int prom_node, u32
 	pdev_htab_populate(pbm);
 }
 
-void sun4v_pci_init(int node, char *model_name)
+void sun4v_pci_init(struct device_node *dp, char *model_name)
 {
 	struct pci_controller_info *p;
 	struct pci_iommu *iommu;
-	struct linux_prom64_registers regs;
+	struct property *prop;
+	struct linux_prom64_registers *regs;
 	u32 devhandle;
 	int i;
 
-	prom_getproperty(node, "reg", (char *)&regs, sizeof(regs));
-	devhandle = (regs.phys_addr >> 32UL) & 0x0fffffff;
+	prop = of_find_property(dp, "reg", NULL);
+	regs = prop->value;
+
+	devhandle = (regs->phys_addr >> 32UL) & 0x0fffffff;
 
 	for (p = pci_controller_root; p; p = p->next) {
 		struct pci_pbm_info *pbm;
@@ -1169,7 +1155,7 @@ void sun4v_pci_init(int node, char *model_name)
 		       &p->pbm_B);
 
 		if (pbm->devhandle == (devhandle ^ 0x40)) {
-			pci_sun4v_pbm_init(p, node, devhandle);
+			pci_sun4v_pbm_init(p, dp, devhandle);
 			return;
 		}
 	}
@@ -1220,7 +1206,7 @@ void sun4v_pci_init(int node, char *model_name)
 	 */
 	pci_memspace_mask = 0x7fffffffUL;
 
-	pci_sun4v_pbm_init(p, node, devhandle);
+	pci_sun4v_pbm_init(p, dp, devhandle);
 	return;
 
 fatal_memory_error:

include/asm-sparc64/pbm.h

@@ -15,6 +15,7 @@
 #include <asm/io.h>
 #include <asm/page.h>
 #include <asm/oplib.h>
+#include <asm/prom.h>
 #include <asm/iommu.h>
 
 /* The abstraction used here is that there are PCI controllers,
@@ -153,16 +154,15 @@ struct pci_pbm_info {
 	int				chip_revision;
 
 	/* Name used for top-level resources. */
-	char				name[64];
+	char				*name;
 
 	/* OBP specific information. */
-	int				prom_node;
-	char				prom_name[64];
-	struct linux_prom_pci_ranges	pbm_ranges[PROM_PCIRNG_MAX];
+	struct device_node		*prom_node;
+	struct linux_prom_pci_ranges	*pbm_ranges;
 	int				num_pbm_ranges;
-	struct linux_prom_pci_intmap	pbm_intmap[PROM_PCIIMAP_MAX];
+	struct linux_prom_pci_intmap	*pbm_intmap;
 	int				num_pbm_intmap;
-	struct linux_prom_pci_intmask	pbm_intmask;
+	struct linux_prom_pci_intmask	*pbm_intmask;
 	u64				ino_bitmap;
 
 	/* PBM I/O and Memory space resources. */