Merge ../linus

Conflicts:

	drivers/char/agp/Kconfig

11 files changed, 543 insertions, 744 deletions

diff --git a/drivers/sbus/char/bbc_envctrl.c b/drivers/sbus/char/bbc_envctrl.c
index d89f83f769f..1cc706e1111 100644
--- a/drivers/sbus/char/bbc_envctrl.c
+++ b/drivers/sbus/char/bbc_envctrl.c
@@ -575,9 +575,9 @@ int bbc_envctrl_init(void)
 	int devidx = 0;
 
 	while ((echild = bbc_i2c_getdev(devidx++)) != NULL) {
-		if (!strcmp(echild->prom_name, "temperature"))
+		if (!strcmp(echild->prom_node->name, "temperature"))
 			attach_one_temp(echild, temp_index++);
-		if (!strcmp(echild->prom_name, "fan-control"))
+		if (!strcmp(echild->prom_node->name, "fan-control"))
 			attach_one_fan(echild, fan_index++);
 	}
 	if (temp_index != 0 && fan_index != 0) {
diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c
index 3e156e005f2..73634371393 100644
--- a/drivers/sbus/char/bbc_i2c.c
+++ b/drivers/sbus/char/bbc_i2c.c
@@ -423,7 +423,7 @@ static int __init bbc_present(void)
 
 	for_each_ebus(ebus) {
 		for_each_ebusdev(edev, ebus) {
-			if (!strcmp(edev->prom_name, "bbc"))
+			if (!strcmp(edev->prom_node->name, "bbc"))
 				return 1;
 		}
 	}
@@ -446,7 +446,7 @@ static int __init bbc_i2c_init(void)
 
 	for_each_ebus(ebus) {
 		for_each_ebusdev(edev, ebus) {
-			if (!strcmp(edev->prom_name, "i2c")) {
+			if (!strcmp(edev->prom_node->name, "i2c")) {
 				if (!attach_one_i2c(edev, index))
 					index++;
 			}
diff --git a/drivers/sbus/char/cpwatchdog.c b/drivers/sbus/char/cpwatchdog.c
index fd2cc7782f7..21737b7e86a 100644
--- a/drivers/sbus/char/cpwatchdog.c
+++ b/drivers/sbus/char/cpwatchdog.c
@@ -304,8 +304,8 @@ static int wd_open(struct inode *inode, struct file *f)
 						SA_SHIRQ,
 						WD_OBPNAME,
 						(void *)wd_dev.regs)) {
-			printk("%s: Cannot register IRQ %s\n", 
-				WD_OBPNAME, __irq_itoa(wd_dev.irq));
+			printk("%s: Cannot register IRQ %d\n", 
+				WD_OBPNAME, wd_dev.irq);
 			return(-EBUSY);
 		}
 		wd_dev.initialized = 1;
@@ -755,7 +755,7 @@ static int __init wd_init(void)
 
 	for_each_ebus(ebus) {
 		for_each_ebusdev(edev, ebus) {
-			if (!strcmp(edev->prom_name, WD_OBPNAME))
+			if (!strcmp(edev->ofdev.node->name, WD_OBPNAME))
 				goto ebus_done;
 		}
 	}
diff --git a/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c
index c3a51d1fae5..d92bc8827a9 100644
--- a/drivers/sbus/char/display7seg.c
+++ b/drivers/sbus/char/display7seg.c
@@ -184,7 +184,7 @@ static int __init d7s_init(void)
 
 	for_each_ebus(ebus) {
 		for_each_ebusdev(edev, ebus) {
-			if (!strcmp(edev->prom_name, D7S_OBPNAME))
+			if (!strcmp(edev->prom_node->name, D7S_OBPNAME))
 				goto ebus_done;
 		}
 	}
diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c
index 19e8eddf887..cf97e9efe9b 100644
--- a/drivers/sbus/char/envctrl.c
+++ b/drivers/sbus/char/envctrl.c
@@ -768,16 +768,14 @@ static void envctrl_set_mon(struct i2c_child_t *pchild,
  *                       decoding tables, monitor type, optional properties.
  * Return: None.
  */
-static void envctrl_init_adc(struct i2c_child_t *pchild, int node)
+static void envctrl_init_adc(struct i2c_child_t *pchild, struct device_node *dp)
 {
-	char chnls_desc[CHANNEL_DESC_SZ];
 	int i = 0, len;
-	char *pos = chnls_desc;
+	char *pos;
+	unsigned int *pval;
 
 	/* Firmware describe channels into a stream separated by a '\0'. */
-	len = prom_getproperty(node, "channels-description", chnls_desc,
-			       CHANNEL_DESC_SZ);
-	chnls_desc[CHANNEL_DESC_SZ - 1] = '\0';
+	pos = of_get_property(dp, "channels-description", &len);
 
 	while (len > 0) {
 		int l = strlen(pos) + 1;
@@ -787,10 +785,13 @@ static void envctrl_init_adc(struct i2c_child_t *pchild, int node)
 	}
 
 	/* Get optional properties. */
-        len = prom_getproperty(node, "warning-temp", (char *)&warning_temperature,
-			       sizeof(warning_temperature));
-        len = prom_getproperty(node, "shutdown-temp", (char *)&shutdown_temperature,
-			       sizeof(shutdown_temperature));
+	pval = of_get_property(dp, "warning-temp", NULL);
+	if (pval)
+		warning_temperature = *pval;
+
+	pval = of_get_property(dp, "shutdown-temp", NULL);
+	if (pval)
+		shutdown_temperature = *pval;
 }
 
 /* Function Description: Initialize child device monitoring fan status.
@@ -864,21 +865,18 @@ static void envctrl_init_voltage_status(struct i2c_child_t *pchild)
 static void envctrl_init_i2c_child(struct linux_ebus_child *edev_child,
 				   struct i2c_child_t *pchild)
 {
-	int node, len, i, tbls_size = 0;
-
-	node = edev_child->prom_node;
+	int len, i, tbls_size = 0;
+	struct device_node *dp = edev_child->prom_node;
+	void *pval;
 
 	/* Get device address. */
-	len = prom_getproperty(node, "reg",
-			       (char *) &(pchild->addr),
-			       sizeof(pchild->addr));
+	pval = of_get_property(dp, "reg", &len);
+	memcpy(&pchild->addr, pval, len);
 
 	/* Get tables property.  Read firmware temperature tables. */
-	len = prom_getproperty(node, "translation",
-			       (char *) pchild->tblprop_array,
-			       (PCF8584_MAX_CHANNELS *
-				sizeof(struct pcf8584_tblprop)));
-	if (len > 0) {
+	pval = of_get_property(dp, "translation", &len);
+	if (pval && len > 0) {
+		memcpy(pchild->tblprop_array, pval, len);
                 pchild->total_tbls = len / sizeof(struct pcf8584_tblprop);
 		for (i = 0; i < pchild->total_tbls; i++) {
 			if ((pchild->tblprop_array[i].size + pchild->tblprop_array[i].offset) > tbls_size) {
@@ -891,12 +889,12 @@ static void envctrl_init_i2c_child(struct linux_ebus_child *edev_child,
 			printk("envctrl: Failed to allocate table.\n");
 			return;
 		}
-                len = prom_getproperty(node, "tables",
-				       (char *) pchild->tables, tbls_size);
-                if (len <= 0) {
+		pval = of_get_property(dp, "tables", &len);
+                if (!pval || len <= 0) {
 			printk("envctrl: Failed to get table.\n");
 			return;
 		}
+		memcpy(pchild->tables, pval, len);
 	}
 
 	/* SPARCengine ASM Reference Manual (ref. SMI doc 805-7581-04)
@@ -907,12 +905,11 @@ static void envctrl_init_i2c_child(struct linux_ebus_child *edev_child,
 	 * 'NULL' monitor type.
 	 */
 	if (ENVCTRL_CPCI_IGNORED_NODE == pchild->addr) {
+		struct device_node *root_node;
 		int len;
-		char prop[56];
 
-		len = prom_getproperty(prom_root_node, "name", prop, sizeof(prop));
-		if (0 < len && (0 == strncmp(prop, "SUNW,UltraSPARC-IIi-cEngine", len)))
-		{
+		root_node = of_find_node_by_path("/");
+		if (!strcmp(root_node->name, "SUNW,UltraSPARC-IIi-cEngine")) {
 			for (len = 0; len < PCF8584_MAX_CHANNELS; ++len) {
 				pchild->mon_type[len] = ENVCTRL_NOMON;
 			}
@@ -921,16 +918,14 @@ static void envctrl_init_i2c_child(struct linux_ebus_child *edev_child,
 	}
 
 	/* Get the monitor channels. */
-	len = prom_getproperty(node, "channels-in-use",
-			       (char *) pchild->chnl_array,
-			       (PCF8584_MAX_CHANNELS *
-				sizeof(struct pcf8584_channel)));
+	pval = of_get_property(dp, "channels-in-use", &len);
+	memcpy(pchild->chnl_array, pval, len);
 	pchild->total_chnls = len / sizeof(struct pcf8584_channel);
 
 	for (i = 0; i < pchild->total_chnls; i++) {
 		switch (pchild->chnl_array[i].type) {
 		case PCF8584_TEMP_TYPE:
-			envctrl_init_adc(pchild, node);
+			envctrl_init_adc(pchild, dp);
 			break;
 
 		case PCF8584_GLOBALADDR_TYPE:
@@ -945,7 +940,7 @@ static void envctrl_init_i2c_child(struct linux_ebus_child *edev_child,
 
 		case PCF8584_VOLTAGE_TYPE:
 			if (pchild->i2ctype == I2C_ADC) {
-				envctrl_init_adc(pchild,node);
+				envctrl_init_adc(pchild,dp);
 			} else {
 				envctrl_init_voltage_status(pchild);
 			}
@@ -1046,7 +1041,7 @@ static int __init envctrl_init(void)
 
 	for_each_ebus(ebus) {
 		for_each_ebusdev(edev, ebus) {
-			if (!strcmp(edev->prom_name, "bbc")) {
+			if (!strcmp(edev->prom_node->name, "bbc")) {
 				/* If we find a boot-bus controller node,
 				 * then this envctrl driver is not for us.
 				 */
@@ -1060,14 +1055,14 @@ static int __init envctrl_init(void)
 	 */
 	for_each_ebus(ebus) {
 		for_each_ebusdev(edev, ebus) {
-			if (!strcmp(edev->prom_name, "i2c")) {
+			if (!strcmp(edev->prom_node->name, "i2c")) {
 				i2c = ioremap(edev->resource[0].start, 0x2);
 				for_each_edevchild(edev, edev_child) {
-					if (!strcmp("gpio", edev_child->prom_name)) {
+					if (!strcmp("gpio", edev_child->prom_node->name)) {
 						i2c_childlist[i].i2ctype = I2C_GPIO;
 						envctrl_init_i2c_child(edev_child, &(i2c_childlist[i++]));
 					}
-					if (!strcmp("adc", edev_child->prom_name)) {
+					if (!strcmp("adc", edev_child->prom_node->name)) {
 						i2c_childlist[i].i2ctype = I2C_ADC;
 						envctrl_init_i2c_child(edev_child, &(i2c_childlist[i++]));
 					}
diff --git a/drivers/sbus/char/flash.c b/drivers/sbus/char/flash.c
index 2beb3dded08..31b8a5f6116 100644
--- a/drivers/sbus/char/flash.c
+++ b/drivers/sbus/char/flash.c
@@ -71,7 +71,6 @@ flash_mmap(struct file *file, struct vm_area_struct *vma)
 	if (vma->vm_end - (vma->vm_start + (vma->vm_pgoff << PAGE_SHIFT)) > size)
 		size = vma->vm_end - (vma->vm_start + (vma->vm_pgoff << PAGE_SHIFT));
 
-	vma->vm_flags |= (VM_SHM | VM_LOCKED);
 	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 
 	if (io_remap_pfn_range(vma, vma->vm_start, addr, size, vma->vm_page_prot))
@@ -192,9 +191,11 @@ static int __init flash_init(void)
 	}
 	if (!sdev) {
 #ifdef CONFIG_PCI
+		struct linux_prom_registers *ebus_regs;
+
 		for_each_ebus(ebus) {
 			for_each_ebusdev(edev, ebus) {
-				if (!strcmp(edev->prom_name, "flashprom"))
+				if (!strcmp(edev->prom_node->name, "flashprom"))
 					goto ebus_done;
 			}
 		}
@@ -202,23 +203,23 @@ static int __init flash_init(void)
 		if (!edev)
 			return -ENODEV;
 
-		len = prom_getproperty(edev->prom_node, "reg", (void *)regs, sizeof(regs));
-		if ((len % sizeof(regs[0])) != 0) {
+		ebus_regs = of_get_property(edev->prom_node, "reg", &len);
+		if (!ebus_regs || (len % sizeof(regs[0])) != 0) {
 			printk("flash: Strange reg property size %d\n", len);
 			return -ENODEV;
 		}
 
-		nregs = len / sizeof(regs[0]);
+		nregs = len / sizeof(ebus_regs[0]);
 
 		flash.read_base = edev->resource[0].start;
-		flash.read_size = regs[0].reg_size;
+		flash.read_size = ebus_regs[0].reg_size;
 
 		if (nregs == 1) {
 			flash.write_base = edev->resource[0].start;
-			flash.write_size = regs[0].reg_size;
+			flash.write_size = ebus_regs[0].reg_size;
 		} else if (nregs == 2) {
 			flash.write_base = edev->resource[1].start;
-			flash.write_size = regs[1].reg_size;
+			flash.write_size = ebus_regs[1].reg_size;
 		} else {
 			printk("flash: Strange number of regs %d\n", nregs);
 			return -ENODEV;
diff --git a/drivers/sbus/char/openprom.c b/drivers/sbus/char/openprom.c
index 239e108b8ed..d7e4bb41bd7 100644
--- a/drivers/sbus/char/openprom.c
+++ b/drivers/sbus/char/openprom.c
@@ -29,8 +29,6 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
  */
 
-#define PROMLIB_INTERNAL
-
 #include <linux/config.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
@@ -39,10 +37,10 @@
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/miscdevice.h>
-#include <linux/smp_lock.h>
 #include <linux/init.h>
 #include <linux/fs.h>
 #include <asm/oplib.h>
+#include <asm/prom.h>
 #include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/openpromio.h>
@@ -51,15 +49,20 @@
 #include <asm/pbm.h>
 #endif
 
+MODULE_AUTHOR("Thomas K. Dyas (tdyas@noc.rutgers.edu) and Eddie C. Dost  (ecd@skynet.be)");
+MODULE_DESCRIPTION("OPENPROM Configuration Driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION("1.0");
+
 /* Private data kept by the driver for each descriptor. */
 typedef struct openprom_private_data
 {
-	int current_node;	/* Current node for SunOS ioctls. */
-	int lastnode;		/* Last valid node used by BSD ioctls. */
+	struct device_node *current_node; /* Current node for SunOS ioctls. */
+	struct device_node *lastnode; /* Last valid node used by BSD ioctls. */
 } DATA;
 
 /* ID of the PROM node containing all of the EEPROM options. */
-static int options_node = 0;
+static struct device_node *options_node;
 
 /*
  * Copy an openpromio structure into kernel space from user space.
@@ -87,9 +90,8 @@ static int copyin(struct openpromio __user *info, struct openpromio **opp_p)
 	if (bufsize > OPROMMAXPARAM)
 		bufsize = OPROMMAXPARAM;
 
-	if (!(*opp_p = kmalloc(sizeof(int) + bufsize + 1, GFP_KERNEL)))
+	if (!(*opp_p = kzalloc(sizeof(int) + bufsize + 1, GFP_KERNEL)))
 		return -ENOMEM;
-	memset(*opp_p, 0, sizeof(int) + bufsize + 1);
 
 	if (copy_from_user(&(*opp_p)->oprom_array,
 			   &info->oprom_array, bufsize)) {
@@ -107,10 +109,9 @@ static int getstrings(struct openpromio __user *info, struct openpromio **opp_p)
 	if (!info || !opp_p)
 		return -EFAULT;
 
-	if (!(*opp_p = kmalloc(sizeof(int) + OPROMMAXPARAM + 1, GFP_KERNEL)))
+	if (!(*opp_p = kzalloc(sizeof(int) + OPROMMAXPARAM + 1, GFP_KERNEL)))
 		return -ENOMEM;
 
-	memset(*opp_p, 0, sizeof(int) + OPROMMAXPARAM + 1);
 	(*opp_p)->oprom_size = 0;
 
 	n = bufsize = 0;
@@ -140,16 +141,164 @@ static int copyout(void __user *info, struct openpromio *opp, int len)
 	return 0;
 }
 
+static int opromgetprop(void __user *argp, struct device_node *dp, struct openpromio *op, int bufsize)
+{
+	void *pval;
+	int len;
+
+	pval = of_get_property(dp, op->oprom_array, &len);
+	if (!pval || len <= 0 || len > bufsize)
+		return copyout(argp, op, sizeof(int));
+
+	memcpy(op->oprom_array, pval, len);
+	op->oprom_array[len] = '\0';
+	op->oprom_size = len;
+
+	return copyout(argp, op, sizeof(int) + bufsize);
+}
+
+static int opromnxtprop(void __user *argp, struct device_node *dp, struct openpromio *op, int bufsize)
+{
+	struct property *prop;
+	int len;
+
+	if (op->oprom_array[0] == '\0') {
+		prop = dp->properties;
+		if (!prop)
+			return copyout(argp, op, sizeof(int));
+		len = strlen(prop->name);
+	} else {
+		prop = of_find_property(dp, op->oprom_array, NULL);
+
+		if (!prop ||
+		    !prop->next ||
+		    (len = strlen(prop->next->name)) + 1 > bufsize)
+			return copyout(argp, op, sizeof(int));
+
+		prop = prop->next;
+	}
+
+	memcpy(op->oprom_array, prop->name, len);
+	op->oprom_array[len] = '\0';
+	op->oprom_size = ++len;
+
+	return copyout(argp, op, sizeof(int) + bufsize);
+}
+
+static int opromsetopt(struct device_node *dp, struct openpromio *op, int bufsize)
+{
+	char *buf = op->oprom_array + strlen(op->oprom_array) + 1;
+	int len = op->oprom_array + bufsize - buf;
+
+	return of_set_property(options_node, op->oprom_array, buf, len);
+}
+
+static int opromnext(void __user *argp, unsigned int cmd, struct device_node *dp, struct openpromio *op, int bufsize, DATA *data)
+{
+	phandle ph;
+
+	BUILD_BUG_ON(sizeof(phandle) != sizeof(int));
+
+	if (bufsize < sizeof(phandle))
+		return -EINVAL;
+
+	ph = *((int *) op->oprom_array);
+	if (ph) {
+		dp = of_find_node_by_phandle(ph);
+		if (!dp)
+			return -EINVAL;
+
+		switch (cmd) {
+		case OPROMNEXT:
+			dp = dp->sibling;
+			break;
+
+		case OPROMCHILD:
+			dp = dp->child;
+			break;
+
+		case OPROMSETCUR:
+		default:
+			break;
+		};
+	} else {
+		/* Sibling of node zero is the root node.  */
+		if (cmd != OPROMNEXT)
+			return -EINVAL;
+
+		dp = of_find_node_by_path("/");
+	}
+
+	ph = 0;
+	if (dp)
+		ph = dp->node;
+
+	data->current_node = dp;
+	*((int *) op->oprom_array) = ph;
+	op->oprom_size = sizeof(phandle);
+
+	return copyout(argp, op, bufsize + sizeof(int));
+}
+
+static int oprompci2node(void __user *argp, struct device_node *dp, struct openpromio *op, int bufsize, DATA *data)
+{
+	int err = -EINVAL;
+
+	if (bufsize >= 2*sizeof(int)) {
+#ifdef CONFIG_PCI
+		struct pci_dev *pdev;
+		struct pcidev_cookie *pcp;
+		pdev = pci_find_slot (((int *) op->oprom_array)[0],
+				      ((int *) op->oprom_array)[1]);
+
+		pcp = pdev->sysdata;
+		if (pcp != NULL) {
+			dp = pcp->prom_node;
+			data->current_node = dp;
+			*((int *)op->oprom_array) = dp->node;
+			op->oprom_size = sizeof(int);
+			err = copyout(argp, op, bufsize + sizeof(int));
+		}
+#endif
+	}
+
+	return err;
+}
+
+static int oprompath2node(void __user *argp, struct device_node *dp, struct openpromio *op, int bufsize, DATA *data)
+{
+	dp = of_find_node_by_path(op->oprom_array);
+	data->current_node = dp;
+	*((int *)op->oprom_array) = dp->node;
+	op->oprom_size = sizeof(int);
+
+	return copyout(argp, op, bufsize + sizeof(int));
+}
+
+static int opromgetbootargs(void __user *argp, struct openpromio *op, int bufsize)
+{
+	char *buf = saved_command_line;
+	int len = strlen(buf);
+
+	if (len > bufsize)
+		return -EINVAL;
+
+	strcpy(op->oprom_array, buf);
+	op->oprom_size = len;
+
+	return copyout(argp, op, bufsize + sizeof(int));
+}
+
 /*
  *	SunOS and Solaris /dev/openprom ioctl calls.
  */
 static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
-				unsigned int cmd, unsigned long arg, int node)
+				unsigned int cmd, unsigned long arg,
+				struct device_node *dp)
 {
-	DATA *data = (DATA *) file->private_data;
-	char buffer[OPROMMAXPARAM+1], *buf;
+	DATA *data = file->private_data;
 	struct openpromio *opp;
-	int bufsize, len, error = 0;
+	int bufsize, error = 0;
 	static int cnt;
 	void __user *argp = (void __user *)arg;
 
@@ -164,119 +313,35 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
 	switch (cmd) {
 	case OPROMGETOPT:
 	case OPROMGETPROP:
-		len = prom_getproplen(node, opp->oprom_array);
-
-		if (len <= 0 || len > bufsize) {
-			error = copyout(argp, opp, sizeof(int));
-			break;
-		}
-
-		len = prom_getproperty(node, opp->oprom_array, buffer, bufsize);
-
-		memcpy(opp->oprom_array, buffer, len);
-		opp->oprom_array[len] = '\0';
-		opp->oprom_size = len;
-
-		error = copyout(argp, opp, sizeof(int) + bufsize);
+		error = opromgetprop(argp, dp, opp, bufsize);
 		break;
 
 	case OPROMNXTOPT:
 	case OPROMNXTPROP:
-		buf = prom_nextprop(node, opp->oprom_array, buffer);
-
-		len = strlen(buf);
-		if (len == 0 || len + 1 > bufsize) {
-			error = copyout(argp, opp, sizeof(int));
-			break;
-		}
-
-		memcpy(opp->oprom_array, buf, len);
-		opp->oprom_array[len] = '\0';
-		opp->oprom_size = ++len;
-
-		error = copyout(argp, opp, sizeof(int) + bufsize);
+		error = opromnxtprop(argp, dp, opp, bufsize);
 		break;
 
 	case OPROMSETOPT:
 	case OPROMSETOPT2:
-		buf = opp->oprom_array + strlen(opp->oprom_array) + 1;
-		len = opp->oprom_array + bufsize - buf;
-
-		error = prom_setprop(options_node, opp->oprom_array,
-				     buf, len);
-
-		if (error < 0)
-			error = -EINVAL;
+		error = opromsetopt(dp, opp, bufsize);
 		break;
 
 	case OPROMNEXT:
 	case OPROMCHILD:
 	case OPROMSETCUR:
-		if (bufsize < sizeof(int)) {
-			error = -EINVAL;
-			break;
-		}
-
-		node = *((int *) opp->oprom_array);
-
-		switch (cmd) {
-		case OPROMNEXT: node = __prom_getsibling(node); break;
-		case OPROMCHILD: node = __prom_getchild(node); break;
-		case OPROMSETCUR: break;
-		}
-
-		data->current_node = node;
-		*((int *)opp->oprom_array) = node;
-		opp->oprom_size = sizeof(int);
-
-		error = copyout(argp, opp, bufsize + sizeof(int));
+		error = opromnext(argp, cmd, dp, opp, bufsize, data);
 		break;
 
 	case OPROMPCI2NODE:
-		error = -EINVAL;
-
-		if (bufsize >= 2*sizeof(int)) {
-#ifdef CONFIG_PCI
-			struct pci_dev *pdev;
-			struct pcidev_cookie *pcp;
-			pdev = pci_find_slot (((int *) opp->oprom_array)[0],
-					      ((int *) opp->oprom_array)[1]);
-
-			pcp = pdev->sysdata;
-			if (pcp != NULL && pcp->prom_node != -1 && pcp->prom_node) {
-				node = pcp->prom_node;
-				data->current_node = node;
-				*((int *)opp->oprom_array) = node;
-				opp->oprom_size = sizeof(int);
-				error = copyout(argp, opp, bufsize + sizeof(int));
-			}
-#endif
-		}
+		error = oprompci2node(argp, dp, opp, bufsize, data);
 		break;
 
 	case OPROMPATH2NODE:
-		node = prom_finddevice(opp->oprom_array);
-		data->current_node = node;
-		*((int *)opp->oprom_array) = node;
-		opp->oprom_size = sizeof(int);
-
-		error = copyout(argp, opp, bufsize + sizeof(int));
+		error = oprompath2node(argp, dp, opp, bufsize, data);
 		break;
 
 	case OPROMGETBOOTARGS:
-		buf = saved_command_line;
-
-		len = strlen(buf);
-
-		if (len > bufsize) {
-			error = -EINVAL;
-			break;
-		}
-
-		strcpy(opp->oprom_array, buf);
-		opp->oprom_size = len;
-
-		error = copyout(argp, opp, bufsize + sizeof(int));
+		error = opromgetbootargs(argp, opp, bufsize);
 		break;
 
 	case OPROMU2P:
@@ -297,25 +362,14 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
 	return error;
 }
 
-
-/* Return nonzero if a specific node is in the PROM device tree. */
-static int intree(int root, int node)
+static struct device_node *get_node(phandle n, DATA *data)
 {
-	for (; root != 0; root = prom_getsibling(root))
-		if (root == node || intree(prom_getchild(root),node))
-			return 1;
-	return 0;
-}
+	struct device_node *dp = of_find_node_by_phandle(n);
 
-/* Return nonzero if a specific node is "valid". */
-static int goodnode(int n, DATA *data)
-{
-	if (n == data->lastnode || n == prom_root_node || n == options_node)
-		return 1;
-	if (n == 0 || n == -1 || !intree(prom_root_node,n))
-		return 0;
-	data->lastnode = n;
-	return 1;
+	if (dp)
+		data->lastnode = dp;
+
+	return dp;
 }
 
 /* Copy in a whole string from userspace into kernelspace. */
@@ -330,7 +384,7 @@ static int copyin_string(char __user *user, size_t len, char **ptr)
 	if (!tmp)
 		return -ENOMEM;
 
-	if(copy_from_user(tmp, user, len)) {
+	if (copy_from_user(tmp, user, len)) {
 		kfree(tmp);
 		return -EFAULT;
 	}
@@ -345,162 +399,187 @@ static int copyin_string(char __user *user, size_t len, char **ptr)
 /*
  *	NetBSD /dev/openprom ioctl calls.
  */
-static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
-			      unsigned int cmd, unsigned long arg)
+static int opiocget(void __user *argp, DATA *data)
 {
-	DATA *data = (DATA *) file->private_data;
-	void __user *argp = (void __user *)arg;
 	struct opiocdesc op;
-	int error, node, len;
-	char *str, *tmp;
-	char buffer[64];
-	static int cnt;
-
-	switch (cmd) {
-	case OPIOCGET:
-		if (copy_from_user(&op, argp, sizeof(op)))
-			return -EFAULT;
-
-		if (!goodnode(op.op_nodeid,data))
-			return -EINVAL;
+	struct device_node *dp;
+	char *str;
+	void *pval;
+	int err, len;
 
-		error = copyin_string(op.op_name, op.op_namelen, &str);
-		if (error)
-			return error;
+	if (copy_from_user(&op, argp, sizeof(op)))
+		return -EFAULT;
 
-		len = prom_getproplen(op.op_nodeid,str);
+	dp = get_node(op.op_nodeid, data);
 
-		if (len > op.op_buflen) {
-			kfree(str);
-			return -ENOMEM;
-		}
+	err = copyin_string(op.op_name, op.op_namelen, &str);
+	if (err)
+		return err;
 
+	pval = of_get_property(dp, str, &len);
+	err = 0;
+	if (!pval || len > op.op_buflen) {
+		err = -EINVAL;
+	} else {
 		op.op_buflen = len;
+		if (copy_to_user(argp, &op, sizeof(op)) ||
+		    copy_to_user(op.op_buf, pval, len))
+			err = -EFAULT;
+	}
+	kfree(str);
 
-		if (len <= 0) {
-			kfree(str);
-			/* Verified by the above copy_from_user */
-			if (__copy_to_user(argp, &op,
-				       sizeof(op)))
-				return -EFAULT;
-			return 0;
-		}
+	return err;
+}
 
-		tmp = kmalloc(len + 1, GFP_KERNEL);
-		if (!tmp) {
-			kfree(str);
-			return -ENOMEM;
-		}
+static int opiocnextprop(void __user *argp, DATA *data)
+{
+	struct opiocdesc op;
+	struct device_node *dp;
+	struct property *prop;
+	char *str;
+	int err, len;
 
-		cnt = prom_getproperty(op.op_nodeid, str, tmp, len);
-		if (cnt <= 0) {
-			error = -EINVAL;
-		} else {
-			tmp[len] = '\0';
+	if (copy_from_user(&op, argp, sizeof(op)))
+		return -EFAULT;
 
-			if (__copy_to_user(argp, &op, sizeof(op)) != 0 ||
-			    copy_to_user(op.op_buf, tmp, len) != 0)
-				error = -EFAULT;
-		}
+	dp = get_node(op.op_nodeid, data);
+	if (!dp)
+		return -EINVAL;
 
-		kfree(tmp);
-		kfree(str);
+	err = copyin_string(op.op_name, op.op_namelen, &str);
+	if (err)
+		return err;
 
-		return error;
+	if (str[0] == '\0') {
+		prop = dp->properties;
+	} else {
+		prop = of_find_property(dp, str, NULL);
+		if (prop)
+			prop = prop->next;
+	}
+	kfree(str);
 
-	case OPIOCNEXTPROP:
-		if (copy_from_user(&op, argp, sizeof(op)))
-			return -EFAULT;
+	if (!prop)
+		len = 0;
+	else
+		len = prop->length;
 
-		if (!goodnode(op.op_nodeid,data))
-			return -EINVAL;
+	if (len > op.op_buflen)
+		len = op.op_buflen;
 
-		error = copyin_string(op.op_name, op.op_namelen, &str);
-		if (error)
-			return error;
+	if (copy_to_user(argp, &op, sizeof(op)))
+		return -EFAULT;
 
-		tmp = prom_nextprop(op.op_nodeid,str,buffer);
+	if (len &&
+	    copy_to_user(op.op_buf, prop->value, len))
+		return -EFAULT;
 
-		if (tmp) {
-			len = strlen(tmp);
-			if (len > op.op_buflen)
-				len = op.op_buflen;
-			else
-				op.op_buflen = len;
-		} else {
-			len = op.op_buflen = 0;
-		}
+	return 0;
+}
 
-		if (!access_ok(VERIFY_WRITE, argp, sizeof(op))) {
-			kfree(str);
-			return -EFAULT;
-		}
+static int opiocset(void __user *argp, DATA *data)
+{
+	struct opiocdesc op;
+	struct device_node *dp;
+	char *str, *tmp;
+	int err;
 
-		if (!access_ok(VERIFY_WRITE, op.op_buf, len)) {
-			kfree(str);
-			return -EFAULT;
-		}
+	if (copy_from_user(&op, argp, sizeof(op)))
+		return -EFAULT;
+
+	dp = get_node(op.op_nodeid, data);
+	if (!dp)
+		return -EINVAL;
 
-		error = __copy_to_user(argp, &op, sizeof(op));
-		if (!error) error = __copy_to_user(op.op_buf, tmp, len);
+	err = copyin_string(op.op_name, op.op_namelen, &str);
+	if (err)
+		return err;
 
+	err = copyin_string(op.op_buf, op.op_buflen, &tmp);
+	if (err) {
 		kfree(str);
+		return err;
+	}
 
-		return error;
+	err = of_set_property(dp, str, tmp, op.op_buflen);
 
-	case OPIOCSET:
-		if (copy_from_user(&op, argp, sizeof(op)))
-			return -EFAULT;
+	kfree(str);
+	kfree(tmp);
 
-		if (!goodnode(op.op_nodeid,data))
-			return -EINVAL;
+	return err;
+}
 
-		error = copyin_string(op.op_name, op.op_namelen, &str);
-		if (error)
-			return error;
+static int opiocgetnext(unsigned int cmd, void __user *argp)
+{
+	struct device_node *dp;
+	phandle nd;
 
-		error = copyin_string(op.op_buf, op.op_buflen, &tmp);
-		if (error) {
-			kfree(str);
-			return error;
-		}
+	BUILD_BUG_ON(sizeof(phandle) != sizeof(int));
 
-		len = prom_setprop(op.op_nodeid,str,tmp,op.op_buflen+1);
+	if (copy_from_user(&nd, argp, sizeof(phandle)))
+		return -EFAULT;
 
-		if (len != op.op_buflen)
+	if (nd == 0) {
+		if (cmd != OPIOCGETNEXT)
 			return -EINVAL;
+		dp = of_find_node_by_path("/");
+	} else {
+		dp = of_find_node_by_phandle(nd);
+		nd = 0;
+		if (dp) {
+			if (cmd == OPIOCGETNEXT)
+				dp = dp->sibling;
+			else
+				dp = dp->child;
+		}
+	}
+	if (dp)
+		nd = dp->node;
+	if (copy_to_user(argp, &nd, sizeof(phandle)))
+		return -EFAULT;
 
-		kfree(str);
-		kfree(tmp);
+	return 0;
+}
 
-		return 0;
+static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
+			      unsigned int cmd, unsigned long arg)
+{
+	DATA *data = (DATA *) file->private_data;
+	void __user *argp = (void __user *)arg;
+	int err;
 
-	case OPIOCGETOPTNODE:
-		if (copy_to_user(argp, &options_node, sizeof(int)))
-			return -EFAULT;
-		return 0;
+	switch (cmd) {
+	case OPIOCGET:
+		err = opiocget(argp, data);
+		break;
 
-	case OPIOCGETNEXT:
-	case OPIOCGETCHILD:
-		if (copy_from_user(&node, argp, sizeof(int)))
-			return -EFAULT;
+	case OPIOCNEXTPROP:
+		err = opiocnextprop(argp, data);
+		break;
 
-		if (cmd == OPIOCGETNEXT)
-			node = __prom_getsibling(node);
-		else
-			node = __prom_getchild(node);
+	case OPIOCSET:
+		err = opiocset(argp, data);
+		break;
+
+	case OPIOCGETOPTNODE:
+		BUILD_BUG_ON(sizeof(phandle) != sizeof(int));
 
-		if (__copy_to_user(argp, &node, sizeof(int)))
+		if (copy_to_user(argp, &options_node->node, sizeof(phandle)))
 			return -EFAULT;
 
 		return 0;
 
+	case OPIOCGETNEXT:
+	case OPIOCGETCHILD:
+		err = opiocgetnext(cmd, argp);
+		break;
+
 	default:
-		if (cnt++ < 10)
-			printk(KERN_INFO "openprom_bsd_ioctl: cmd 0x%X\n", cmd);
 		return -EINVAL;
 
-	}
+	};
+
+	return err;
 }
 
 
@@ -511,7 +590,6 @@ static int openprom_ioctl(struct inode * inode, struct file * file,
 			  unsigned int cmd, unsigned long arg)
 {
 	DATA *data = (DATA *) file->private_data;
-	static int cnt;
 
 	switch (cmd) {
 	case OPROMGETOPT:
@@ -563,10 +641,8 @@ static int openprom_ioctl(struct inode * inode, struct file * file,
 		return openprom_bsd_ioctl(inode,file,cmd,arg);
 
 	default:
-		if (cnt++ < 10)
-			printk("openprom_ioctl: cmd 0x%X, arg 0x%lX\n", cmd, arg);
 		return -EINVAL;
-	}
+	};
 }
 
 static long openprom_compat_ioctl(struct file *file, unsigned int cmd,
@@ -594,9 +670,7 @@ static long openprom_compat_ioctl(struct file *file, unsigned int cmd,
 	case OPROMSETCUR:
 	case OPROMPCI2NODE:
 	case OPROMPATH2NODE:
-		lock_kernel();
 		rval = openprom_ioctl(file->f_dentry->d_inode, file, cmd, arg);
-		lock_kernel();
 		break;
 	}
 
@@ -607,13 +681,13 @@ static int openprom_open(struct inode * inode, struct file * file)
 {
 	DATA *data;
 
-	data = (DATA *) kmalloc(sizeof(DATA), GFP_KERNEL);
+	data = kmalloc(sizeof(DATA), GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
 
-	data->current_node = prom_root_node;
-	data->lastnode = prom_root_node;
-	file->private_data = (void *)data;
+	data->current_node = of_find_node_by_path("/");
+	data->lastnode = data->current_node;
+	file->private_data = (void *) data;
 
 	return 0;
 }
@@ -634,24 +708,30 @@ static struct file_operations openprom_fops = {
 };
 
 static struct miscdevice openprom_dev = {
-	SUN_OPENPROM_MINOR, "openprom", &openprom_fops
+	.minor		= SUN_OPENPROM_MINOR,
+	.name		= "openprom",
+	.fops		= &openprom_fops,
 };
 
 static int __init openprom_init(void)
 {
-	int error;
+	struct device_node *dp;
+	int err;
 
-	error = misc_register(&openprom_dev);
-	if (error) {
-		printk(KERN_ERR "openprom: unable to get misc minor\n");
-		return error;
-	}
+	err = misc_register(&openprom_dev);
+	if (err)
+		return err;
 
-	options_node = prom_getchild(prom_root_node);
-	options_node = prom_searchsiblings(options_node,"options");
+	dp = of_find_node_by_path("/");
+	dp = dp->child;
+	while (dp) {
+		if (!strcmp(dp->name, "options"))
+			break;
+		dp = dp->sibling;
+	}
+	options_node = dp;
 
-	if (options_node == 0 || options_node == -1) {
-		printk(KERN_ERR "openprom: unable to find options node\n");
+	if (!options_node) {
 		misc_deregister(&openprom_dev);
 		return -EIO;
 	}
@@ -666,4 +746,3 @@ static void __exit openprom_cleanup(void)
 
 module_init(openprom_init);
 module_exit(openprom_cleanup);
-MODULE_LICENSE("GPL");
diff --git a/drivers/sbus/char/riowatchdog.c b/drivers/sbus/char/riowatchdog.c
index d1babff6a53..2a9cc820442 100644
--- a/drivers/sbus/char/riowatchdog.c
+++ b/drivers/sbus/char/riowatchdog.c
@@ -211,7 +211,7 @@ static int __init riowd_bbc_init(void)
 
 	for_each_ebus(ebus) {
 		for_each_ebusdev(edev, ebus) {
-			if (!strcmp(edev->prom_name, "bbc"))
+			if (!strcmp(edev->ofdev.node->name, "bbc"))
 				goto found_bbc;
 		}
 	}
@@ -238,7 +238,7 @@ static int __init riowd_init(void)
 
 	for_each_ebus(ebus) {
 		for_each_ebusdev(edev, ebus) {
-			if (!strcmp(edev->prom_name, RIOWD_NAME))
+			if (!strcmp(edev->ofdev.node->name, RIOWD_NAME))
 				goto ebus_done;
 		}
 	}
diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c
index e2d9a7c8542..575b1f7ed41 100644
--- a/drivers/sbus/char/uctrl.c
+++ b/drivers/sbus/char/uctrl.c
@@ -400,7 +400,7 @@ static int __init ts102_uctrl_init(void)
 	}
 
 	driver->regs->uctrl_intr = UCTRL_INTR_RXNE_REQ|UCTRL_INTR_RXNE_MSK;
-	printk("uctrl: 0x%x (irq %s)\n", driver->regs, __irq_itoa(driver->irq));
+	printk("uctrl: 0x%x (irq %d)\n", driver->regs, driver->irq);
 	uctrl_get_event_status();
 	uctrl_get_external_status();
         return 0;
diff --git a/drivers/sbus/char/vfc_dev.c b/drivers/sbus/char/vfc_dev.c
index dfdd6be551f..ddcd330b9e8 100644
--- a/drivers/sbus/char/vfc_dev.c
+++ b/drivers/sbus/char/vfc_dev.c
@@ -623,7 +623,7 @@ static int vfc_mmap(struct file *file, struct vm_area_struct *vma)
 		map_size = sizeof(struct vfc_regs);
 
 	vma->vm_flags |=
-		(VM_SHM | VM_LOCKED | VM_IO | VM_MAYREAD | VM_MAYWRITE | VM_MAYSHARE);
+		(VM_MAYREAD | VM_MAYWRITE | VM_MAYSHARE);
 	map_offset = (unsigned int) (long)dev->phys_regs;
 	ret = io_remap_pfn_range(vma, vma->vm_start,
 				  MK_IOSPACE_PFN(dev->which_io,
diff --git a/drivers/sbus/sbus.c b/drivers/sbus/sbus.c
index 5d30a3ebfcc..387a6aa8c02 100644
--- a/drivers/sbus/sbus.c
+++ b/drivers/sbus/sbus.c
@@ -1,7 +1,6 @@
-/* $Id: sbus.c,v 1.100 2002/01/24 15:36:24 davem Exp $
- * sbus.c:  SBus support routines.
+/* sbus.c: SBus support routines.
  *
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1995, 2006 David S. Miller (davem@davemloft.net)
  */
 
 #include <linux/kernel.h>
@@ -14,237 +13,76 @@
 #include <asm/sbus.h>
 #include <asm/dma.h>
 #include <asm/oplib.h>
+#include <asm/prom.h>
+#include <asm/of_device.h>
 #include <asm/bpp.h>
 #include <asm/irq.h>
 
-struct sbus_bus *sbus_root = NULL;
+struct sbus_bus *sbus_root;
 
-static struct linux_prom_irqs irqs[PROMINTR_MAX] __initdata = { { 0 } };
-#ifdef CONFIG_SPARC32
-static int interrupts[PROMINTR_MAX] __initdata = { 0 };
-#endif
-
-#ifdef CONFIG_PCI
-extern int pcic_present(void);
-#endif
-
-/* Perhaps when I figure out more about the iommu we'll put a
- * device registration routine here that probe_sbus() calls to
- * setup the iommu for each Sbus.
- */
-
-/* We call this for each SBus device, and fill the structure based
- * upon the prom device tree.  We return the start of memory after
- * the things we have allocated.
- */
-
-/* #define DEBUG_FILL */
-
-static void __init fill_sbus_device(int prom_node, struct sbus_dev *sdev)
+static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sdev)
 {
-	unsigned long address, base;
+	unsigned long base;
+	void *pval;
 	int len;
 
-	sdev->prom_node = prom_node;
-	prom_getstring(prom_node, "name",
-		       sdev->prom_name, sizeof(sdev->prom_name));
-	address = prom_getint(prom_node, "address");
-	len = prom_getproperty(prom_node, "reg",
-			       (char *) sdev->reg_addrs,
-			       sizeof(sdev->reg_addrs));
-	if (len == -1) {
-		sdev->num_registers = 0;
-		goto no_regs;
-	}
+	sdev->prom_node = dp->node;
+	strcpy(sdev->prom_name, dp->name);
 
-	if (len % sizeof(struct linux_prom_registers)) {
-		prom_printf("fill_sbus_device: proplen for regs of %s "
-			    " was %d, need multiple of %d\n",
-			    sdev->prom_name, len,
-			    (int) sizeof(struct linux_prom_registers));
-		prom_halt();
-	}
-	if (len > (sizeof(struct linux_prom_registers) * PROMREG_MAX)) {
-		prom_printf("fill_sbus_device: Too many register properties "
-			    "for device %s, len=%d\n",
-			    sdev->prom_name, len);
-		prom_halt();
-	}
-	sdev->num_registers = len / sizeof(struct linux_prom_registers);
-	sdev->ranges_applied = 0;
+	pval = of_get_property(dp, "reg", &len);
+	sdev->num_registers = 0;
+	if (pval) {
+		memcpy(sdev->reg_addrs, pval, len);
 
-	base = (unsigned long) sdev->reg_addrs[0].phys_addr;
+		sdev->num_registers =
+			len / sizeof(struct linux_prom_registers);
 
-	/* Compute the slot number. */
-	if (base >= SUN_SBUS_BVADDR && sparc_cpu_model == sun4m) {
-		sdev->slot = sbus_dev_slot(base);
-	} else {
-		sdev->slot = sdev->reg_addrs[0].which_io;
-	}
+		base = (unsigned long) sdev->reg_addrs[0].phys_addr;
 
-no_regs:
-	len = prom_getproperty(prom_node, "ranges",
-			       (char *)sdev->device_ranges,
-			       sizeof(sdev->device_ranges));
-	if (len == -1) {
-		sdev->num_device_ranges = 0;
-		goto no_ranges;
-	}
-	if (len % sizeof(struct linux_prom_ranges)) {
-		prom_printf("fill_sbus_device: proplen for ranges of %s "
-			    " was %d, need multiple of %d\n",
-			    sdev->prom_name, len,
-			    (int) sizeof(struct linux_prom_ranges));
-		prom_halt();
-	}
-	if (len > (sizeof(struct linux_prom_ranges) * PROMREG_MAX)) {
-		prom_printf("fill_sbus_device: Too many range properties "
-			    "for device %s, len=%d\n",
-			    sdev->prom_name, len);
-		prom_halt();
+		/* Compute the slot number. */
+		if (base >= SUN_SBUS_BVADDR && sparc_cpu_model == sun4m)
+			sdev->slot = sbus_dev_slot(base);
+		else
+			sdev->slot = sdev->reg_addrs[0].which_io;
 	}
-	sdev->num_device_ranges =
-		len / sizeof(struct linux_prom_ranges);
-
-no_ranges:
-	/* XXX Unfortunately, IRQ issues are very arch specific.
-	 * XXX Pull this crud out into an arch specific area
-	 * XXX at some point. -DaveM
-	 */
-#ifdef CONFIG_SPARC64
-	len = prom_getproperty(prom_node, "interrupts",
-			       (char *) irqs, sizeof(irqs));
-	if (len == -1 || len == 0) {
-		sdev->irqs[0] = 0;
-		sdev->num_irqs = 0;
-	} else {
-		unsigned int pri = irqs[0].pri;
-
-		sdev->num_irqs = 1;
-		if (pri < 0x20)
-			pri += sdev->slot * 8;
-
-		sdev->irqs[0] =	sbus_build_irq(sdev->bus, pri);
+
+	pval = of_get_property(dp, "ranges", &len);
+	sdev->num_device_ranges = 0;
+	if (pval) {
+		memcpy(sdev->device_ranges, pval, len);
+		sdev->num_device_ranges =
+			len / sizeof(struct linux_prom_ranges);
 	}
-#endif /* CONFIG_SPARC64 */
-
-#ifdef CONFIG_SPARC32
-	len = prom_getproperty(prom_node, "intr",
-			       (char *)irqs, sizeof(irqs));
-	if (len != -1) {
-		sdev->num_irqs = len / 8;
-		if (sdev->num_irqs == 0) {
-			sdev->irqs[0] = 0;
-		} else if (sparc_cpu_model == sun4d) {
-			extern unsigned int sun4d_build_irq(struct sbus_dev *sdev, int irq);
-
-			for (len = 0; len < sdev->num_irqs; len++)
-				sdev->irqs[len] = sun4d_build_irq(sdev, irqs[len].pri);
-		} else {
-			for (len = 0; len < sdev->num_irqs; len++)
-				sdev->irqs[len] = irqs[len].pri;
-		}
-	} else {
-		/* No "intr" node found-- check for "interrupts" node.
-		 * This node contains SBus interrupt levels, not IPLs
-		 * as in "intr", and no vector values.  We convert 
-		 * SBus interrupt levels to PILs (platform specific).
-		 */
-		len = prom_getproperty(prom_node, "interrupts", 
-					(char *)interrupts, sizeof(interrupts));
-		if (len == -1) {
-			sdev->irqs[0] = 0;
-			sdev->num_irqs = 0;
-		} else {
-			sdev->num_irqs = len / sizeof(int);
-			for (len = 0; len < sdev->num_irqs; len++) {
-				sdev->irqs[len] = sbint_to_irq(sdev, interrupts[len]);
-			}
-		}
-	} 
-#endif /* CONFIG_SPARC32 */
-}
 
-/* This routine gets called from whoever needs the sbus first, to scan
- * the SBus device tree.  Currently it just prints out the devices
- * found on the bus and builds trees of SBUS structs and attached
- * devices.
- */
+	sbus_fill_device_irq(sdev);
 
-extern void iommu_init(int iommu_node, struct sbus_bus *sbus);
-extern void iounit_init(int sbi_node, int iounit_node, struct sbus_bus *sbus);
-void sun4_init(void);
-#ifdef CONFIG_SUN_AUXIO
-extern void auxio_probe(void);
-#endif
-
-static void __init sbus_do_child_siblings(int start_node,
-					  struct sbus_dev *child,
-					  struct sbus_dev *parent,
-					  struct sbus_bus *sbus)
-{
-	struct sbus_dev *this_dev = child;
-	int this_node = start_node;
-
-	/* Child already filled in, just need to traverse siblings. */
-	child->child = NULL;
-	child->parent = parent;
-	while((this_node = prom_getsibling(this_node)) != 0) {
-		this_dev->next = kmalloc(sizeof(struct sbus_dev), GFP_ATOMIC);
-		this_dev = this_dev->next;
-		this_dev->next = NULL;
-		this_dev->parent = parent;
-
-		this_dev->bus = sbus;
-		fill_sbus_device(this_node, this_dev);
-
-		if(prom_getchild(this_node)) {
-			this_dev->child = kmalloc(sizeof(struct sbus_dev),
-						  GFP_ATOMIC);
-			this_dev->child->bus = sbus;
-			this_dev->child->next = NULL;
-			fill_sbus_device(prom_getchild(this_node), this_dev->child);
-			sbus_do_child_siblings(prom_getchild(this_node),
-					       this_dev->child, this_dev, sbus);
-		} else {
-			this_dev->child = NULL;
-		}
-	}
-}
+	sdev->ofdev.node = dp;
+	if (sdev->parent)
+		sdev->ofdev.dev.parent = &sdev->parent->ofdev.dev;
+	else
+		sdev->ofdev.dev.parent = &sdev->bus->ofdev.dev;
+	sdev->ofdev.dev.bus = &sbus_bus_type;
+	strcpy(sdev->ofdev.dev.bus_id, dp->path_component_name);
 
-/*
- * XXX This functions appears to be a distorted version of
- * prom_sbus_ranges_init(), with all sun4d stuff cut away.
- * Ask DaveM what is going on here, how is sun4d supposed to work... XXX
- */
-/* added back sun4d patch from Thomas Bogendoerfer - should be OK (crn) */
+	if (of_device_register(&sdev->ofdev) != 0)
+		printk(KERN_DEBUG "sbus: device registration error for %s!\n",
+		       sdev->ofdev.dev.bus_id);
+}
 
-static void __init sbus_bus_ranges_init(int parent_node, struct sbus_bus *sbus)
+static void __init sbus_bus_ranges_init(struct device_node *dp, struct sbus_bus *sbus)
 {
+	void *pval;
 	int len;
 
-	len = prom_getproperty(sbus->prom_node, "ranges",
-			       (char *) sbus->sbus_ranges,
-			       sizeof(sbus->sbus_ranges));
-	if (len == -1 || len == 0) {
-		sbus->num_sbus_ranges = 0;
-		return;
-	}
-	sbus->num_sbus_ranges = len / sizeof(struct linux_prom_ranges);
-#ifdef CONFIG_SPARC32
-	if (sparc_cpu_model == sun4d) {
-		struct linux_prom_ranges iounit_ranges[PROMREG_MAX];
-		int num_iounit_ranges;
-
-		len = prom_getproperty(parent_node, "ranges",
-				       (char *) iounit_ranges,
-				       sizeof (iounit_ranges));
-		if (len != -1) {
-			num_iounit_ranges = (len/sizeof(struct linux_prom_ranges));
-			prom_adjust_ranges (sbus->sbus_ranges, sbus->num_sbus_ranges, iounit_ranges, num_iounit_ranges);
-		}
+	pval = of_get_property(dp, "ranges", &len);
+	sbus->num_sbus_ranges = 0;
+	if (pval) {
+		memcpy(sbus->sbus_ranges, pval, len);
+		sbus->num_sbus_ranges =
+			len / sizeof(struct linux_prom_ranges);
+
+		sbus_arch_bus_ranges_init(dp->parent, sbus);
 	}
-#endif
 }
 
 static void __init __apply_ranges_to_regs(struct linux_prom_ranges *ranges,
@@ -322,241 +160,127 @@ static void __init sbus_fixup_all_regs(struct sbus_dev *first_sdev)
 	}
 }
 
-extern void register_proc_sparc_ioport(void);
-extern void firetruck_init(void);
+/* We preserve the "probe order" of these bus and device lists to give
+ * the same ordering as the old code.
+ */
+static void __init sbus_insert(struct sbus_bus *sbus, struct sbus_bus **root)
+{
+	while (*root)
+		root = &(*root)->next;
+	*root = sbus;
+	sbus->next = NULL;
+}
 
-#ifdef CONFIG_SUN4
-extern void sun4_dvma_init(void);
-#endif
+static void __init sdev_insert(struct sbus_dev *sdev, struct sbus_dev **root)
+{
+	while (*root)
+		root = &(*root)->next;
+	*root = sdev;
+	sdev->next = NULL;
+}
 
-static int __init sbus_init(void)
+static void __init walk_children(struct device_node *dp, struct sbus_dev *parent, struct sbus_bus *sbus)
 {
-	int nd, this_sbus, sbus_devs, topnd, iommund;
-	unsigned int sbus_clock;
-	struct sbus_bus *sbus;
-	struct sbus_dev *this_dev;
-	int num_sbus = 0;  /* How many did we find? */
+	dp = dp->child;
+	while (dp) {
+		struct sbus_dev *sdev;
 
-#ifdef CONFIG_SPARC32
-	register_proc_sparc_ioport();
-#endif
+		sdev = kzalloc(sizeof(struct sbus_dev), GFP_ATOMIC);
+		if (sdev) {
+			sdev_insert(sdev, &parent->child);
 
-#ifdef CONFIG_SUN4
-	sun4_dvma_init();
-	return 0;
-#endif
-
-	topnd = prom_getchild(prom_root_node);
-	
-	/* Finding the first sbus is a special case... */
-	iommund = 0;
-	if(sparc_cpu_model == sun4u) {
-		nd = prom_searchsiblings(topnd, "sbus");
-		if(nd == 0) {
-#ifdef CONFIG_PCI
-			if (!pcic_present()) {
-				prom_printf("Neither SBUS nor PCI found.\n");
-				prom_halt();
-			} else {
-#ifdef CONFIG_SPARC64
-				firetruck_init();
-#endif
-			}
-			return 0;
-#else
-			prom_printf("YEEE, UltraSparc sbus not found\n");
-			prom_halt();
-#endif
-		}
-	} else if(sparc_cpu_model == sun4d) {
-		if((iommund = prom_searchsiblings(topnd, "io-unit")) == 0 ||
-		   (nd = prom_getchild(iommund)) == 0 ||
-		   (nd = prom_searchsiblings(nd, "sbi")) == 0) {
-		   	panic("sbi not found");
-		}
-	} else if((nd = prom_searchsiblings(topnd, "sbus")) == 0) {
-		if((iommund = prom_searchsiblings(topnd, "iommu")) == 0 ||
-		   (nd = prom_getchild(iommund)) == 0 ||
-		   (nd = prom_searchsiblings(nd, "sbus")) == 0) {
-#ifdef CONFIG_PCI
-                        if (!pcic_present()) {
-                                prom_printf("Neither SBUS nor PCI found.\n");
-                                prom_halt();
-                        }
-                        return 0;
-#else
-			/* No reason to run further - the data access trap will occur. */
-			panic("sbus not found");
-#endif
+			sdev->bus = sbus;
+			sdev->parent = parent;
+
+			fill_sbus_device(dp, sdev);
+
+			walk_children(dp, sdev, sbus);
 		}
+		dp = dp->sibling;
 	}
+}
 
-	/* Ok, we've found the first one, allocate first SBus struct
-	 * and place in chain.
-	 */
-	sbus = sbus_root = kmalloc(sizeof(struct sbus_bus), GFP_ATOMIC);
-	sbus->next = NULL;
-	sbus->prom_node = nd;
-	this_sbus = nd;
+static void __init build_one_sbus(struct device_node *dp, int num_sbus)
+{
+	struct sbus_bus *sbus;
+	unsigned int sbus_clock;
+	struct device_node *dev_dp;
 
-	if(iommund && sparc_cpu_model != sun4u && sparc_cpu_model != sun4d)
-		iommu_init(iommund, sbus);
+	sbus = kzalloc(sizeof(struct sbus_bus), GFP_ATOMIC);
+	if (!sbus)
+		return;
 
-	/* Loop until we find no more SBUS's */
-	while(this_sbus) {
-#ifdef CONFIG_SPARC64
-		/* IOMMU hides inside SBUS/SYSIO prom node on Ultra. */
-		if(sparc_cpu_model == sun4u) {
-			extern void sbus_iommu_init(int prom_node, struct sbus_bus *sbus);
+	sbus_insert(sbus, &sbus_root);
+	sbus->prom_node = dp->node;
 
-			sbus_iommu_init(this_sbus, sbus);
-		}
-#endif /* CONFIG_SPARC64 */
-
-#ifdef CONFIG_SPARC32
-		if (sparc_cpu_model == sun4d)
-			iounit_init(this_sbus, iommund, sbus);
-#endif /* CONFIG_SPARC32 */
-		printk("sbus%d: ", num_sbus);
-		sbus_clock = prom_getint(this_sbus, "clock-frequency");
-		if(sbus_clock == -1)
-			sbus_clock = (25*1000*1000);
-		printk("Clock %d.%d MHz\n", (int) ((sbus_clock/1000)/1000),
-		       (int) (((sbus_clock/1000)%1000 != 0) ? 
-			      (((sbus_clock/1000)%1000) + 1000) : 0));
-
-		prom_getstring(this_sbus, "name",
-			       sbus->prom_name, sizeof(sbus->prom_name));
-		sbus->clock_freq = sbus_clock;
-#ifdef CONFIG_SPARC32
-		if (sparc_cpu_model == sun4d) {
-			sbus->devid = prom_getint(iommund, "device-id");
-			sbus->board = prom_getint(iommund, "board#");
-		}
-#endif
-		
-		sbus_bus_ranges_init(iommund, sbus);
-
-		sbus_devs = prom_getchild(this_sbus);
-		if (!sbus_devs) {
-			sbus->devices = NULL;
-			goto next_bus;
-		}
+	sbus_setup_iommu(sbus, dp);
 
-		sbus->devices = kmalloc(sizeof(struct sbus_dev), GFP_ATOMIC);
-
-		this_dev = sbus->devices;
-		this_dev->next = NULL;
-
-		this_dev->bus = sbus;
-		this_dev->parent = NULL;
-		fill_sbus_device(sbus_devs, this_dev);
-
-		/* Should we traverse for children? */
-		if(prom_getchild(sbus_devs)) {
-			/* Allocate device node */
-			this_dev->child = kmalloc(sizeof(struct sbus_dev),
-						  GFP_ATOMIC);
-			/* Fill it */
-			this_dev->child->bus = sbus;
-			this_dev->child->next = NULL;
-			fill_sbus_device(prom_getchild(sbus_devs),
-					 this_dev->child);
-			sbus_do_child_siblings(prom_getchild(sbus_devs),
-					       this_dev->child,
-					       this_dev,
-					       sbus);
-		} else {
-			this_dev->child = NULL;
-		}
+	printk("sbus%d: ", num_sbus);
 
-		while((sbus_devs = prom_getsibling(sbus_devs)) != 0) {
-			/* Allocate device node */
-			this_dev->next = kmalloc(sizeof(struct sbus_dev),
-						 GFP_ATOMIC);
-			this_dev = this_dev->next;
-			this_dev->next = NULL;
-
-			/* Fill it */
-			this_dev->bus = sbus;
-			this_dev->parent = NULL;
-			fill_sbus_device(sbus_devs, this_dev);
-
-			/* Is there a child node hanging off of us? */
-			if(prom_getchild(sbus_devs)) {
-				/* Get new device struct */
-				this_dev->child = kmalloc(sizeof(struct sbus_dev),
-							  GFP_ATOMIC);
-				/* Fill it */
-				this_dev->child->bus = sbus;
-				this_dev->child->next = NULL;
-				fill_sbus_device(prom_getchild(sbus_devs),
-						 this_dev->child);
-				sbus_do_child_siblings(prom_getchild(sbus_devs),
-						       this_dev->child,
-						       this_dev,
-						       sbus);
-			} else {
-				this_dev->child = NULL;
-			}
+	sbus_clock = of_getintprop_default(dp, "clock-frequency",
+					   (25*1000*1000));
+	sbus->clock_freq = sbus_clock;
+
+	printk("Clock %d.%d MHz\n", (int) ((sbus_clock/1000)/1000),
+	       (int) (((sbus_clock/1000)%1000 != 0) ? 
+		      (((sbus_clock/1000)%1000) + 1000) : 0));
+
+	strcpy(sbus->prom_name, dp->name);
+
+	sbus_setup_arch_props(sbus, dp);
+
+	sbus_bus_ranges_init(dp, sbus);
+
+	sbus->ofdev.node = dp;
+	sbus->ofdev.dev.parent = NULL;
+	sbus->ofdev.dev.bus = &sbus_bus_type;
+	strcpy(sbus->ofdev.dev.bus_id, dp->path_component_name);
+
+	if (of_device_register(&sbus->ofdev) != 0)
+		printk(KERN_DEBUG "sbus: device registration error for %s!\n",
+		       sbus->ofdev.dev.bus_id);
+
+	dev_dp = dp->child;
+	while (dev_dp) {
+		struct sbus_dev *sdev;
+
+		sdev = kzalloc(sizeof(struct sbus_dev), GFP_ATOMIC);
+		if (sdev) {
+			sdev_insert(sdev, &sbus->devices);
+
+			sdev->bus = sbus;
+			sdev->parent = NULL;
+			fill_sbus_device(dev_dp, sdev);
+
+			walk_children(dev_dp, sdev, sbus);
 		}
+		dev_dp = dev_dp->sibling;
+	}
 
-		/* Walk all devices and apply parent ranges. */
-		sbus_fixup_all_regs(sbus->devices);
+	sbus_fixup_all_regs(sbus->devices);
 
-		dvma_init(sbus);
-	next_bus:
+	dvma_init(sbus);
+}
+
+static int __init sbus_init(void)
+{
+	struct device_node *dp;
+	const char *sbus_name = "sbus";
+	int num_sbus = 0;
+
+	if (sbus_arch_preinit())
+		return 0;
+
+	if (sparc_cpu_model == sun4d)
+		sbus_name = "sbi";
+
+	for_each_node_by_name(dp, sbus_name) {
+		build_one_sbus(dp, num_sbus);
 		num_sbus++;
-		if(sparc_cpu_model == sun4u) {
-			this_sbus = prom_getsibling(this_sbus);
-			if(!this_sbus)
-				break;
-			this_sbus = prom_searchsiblings(this_sbus, "sbus");
-		} else if(sparc_cpu_model == sun4d) {
-			iommund = prom_getsibling(iommund);
-			if(!iommund)
-				break;
-			iommund = prom_searchsiblings(iommund, "io-unit");
-			if(!iommund)
-				break;
-			this_sbus = prom_searchsiblings(prom_getchild(iommund), "sbi");
-		} else {
-			this_sbus = prom_getsibling(this_sbus);
-			if(!this_sbus)
-				break;
-			this_sbus = prom_searchsiblings(this_sbus, "sbus");
-		}
-		if(this_sbus) {
-			sbus->next = kmalloc(sizeof(struct sbus_bus), GFP_ATOMIC);
-			sbus = sbus->next;
-			sbus->next = NULL;
-			sbus->prom_node = this_sbus;
-		} else {
-			break;
-		}
-	} /* while(this_sbus) */
 
-	if (sparc_cpu_model == sun4d) {
-		extern void sun4d_init_sbi_irq(void);
-		sun4d_init_sbi_irq();
-	}
-	
-#ifdef CONFIG_SPARC64
-	if (sparc_cpu_model == sun4u) {
-		firetruck_init();
 	}
-#endif
-#ifdef CONFIG_SUN_AUXIO
-	if (sparc_cpu_model == sun4u)
-		auxio_probe ();
-#endif
-#ifdef CONFIG_SPARC64
-	if (sparc_cpu_model == sun4u) {
-		extern void clock_probe(void);
-
-		clock_probe();
-	}
-#endif
+
+	sbus_arch_postinit();
 
 	return 0;
 }