1 files changed, 1 insertions, 923 deletions

diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index 8362620c9e6..88334af038e 100644
--- a/arch/powerpc/kernel/prom_parse.c
+++ b/arch/powerpc/kernel/prom_parse.c
@@ -6,232 +6,11 @@
 #include <linux/module.h>
 #include <linux/ioport.h>
 #include <linux/etherdevice.h>
+#include <linux/of_address.h>
 #include <asm/prom.h>
 #include <asm/pci-bridge.h>
 
-#ifdef DEBUG
-#define DBG(fmt...) do { printk(fmt); } while(0)
-#else
-#define DBG(fmt...) do { } while(0)
-#endif
-
-#ifdef CONFIG_PPC64
-#define PRu64	"%lx"
-#else
-#define PRu64	"%llx"
-#endif
-
-/* Max address size we deal with */
-#define OF_MAX_ADDR_CELLS	4
-#define OF_CHECK_COUNTS(na, ns)	((na) > 0 && (na) <= OF_MAX_ADDR_CELLS && \
-			(ns) > 0)
-
-static struct of_bus *of_match_bus(struct device_node *np);
-static int __of_address_to_resource(struct device_node *dev,
-		const u32 *addrp, u64 size, unsigned int flags,
-		struct resource *r);
-
-
-/* Debug utility */
-#ifdef DEBUG
-static void of_dump_addr(const char *s, const u32 *addr, int na)
-{
-	printk("%s", s);
-	while(na--)
-		printk(" %08x", *(addr++));
-	printk("\n");
-}
-#else
-static void of_dump_addr(const char *s, const u32 *addr, int na) { }
-#endif
-
-
-/* Callbacks for bus specific translators */
-struct of_bus {
-	const char	*name;
-	const char	*addresses;
-	int		(*match)(struct device_node *parent);
-	void		(*count_cells)(struct device_node *child,
-				       int *addrc, int *sizec);
-	u64		(*map)(u32 *addr, const u32 *range,
-				int na, int ns, int pna);
-	int		(*translate)(u32 *addr, u64 offset, int na);
-	unsigned int	(*get_flags)(const u32 *addr);
-};
-
-
-/*
- * Default translator (generic bus)
- */
-
-static void of_bus_default_count_cells(struct device_node *dev,
-				       int *addrc, int *sizec)
-{
-	if (addrc)
-		*addrc = of_n_addr_cells(dev);
-	if (sizec)
-		*sizec = of_n_size_cells(dev);
-}
-
-static u64 of_bus_default_map(u32 *addr, const u32 *range,
-		int na, int ns, int pna)
-{
-	u64 cp, s, da;
-
-	cp = of_read_number(range, na);
-	s  = of_read_number(range + na + pna, ns);
-	da = of_read_number(addr, na);
-
-	DBG("OF: default map, cp="PRu64", s="PRu64", da="PRu64"\n",
-	    cp, s, da);
-
-	if (da < cp || da >= (cp + s))
-		return OF_BAD_ADDR;
-	return da - cp;
-}
-
-static int of_bus_default_translate(u32 *addr, u64 offset, int na)
-{
-	u64 a = of_read_number(addr, na);
-	memset(addr, 0, na * 4);
-	a += offset;
-	if (na > 1)
-		addr[na - 2] = a >> 32;
-	addr[na - 1] = a & 0xffffffffu;
-
-	return 0;
-}
-
-static unsigned int of_bus_default_get_flags(const u32 *addr)
-{
-	return IORESOURCE_MEM;
-}
-
-
 #ifdef CONFIG_PCI
-/*
- * PCI bus specific translator
- */
-
-static int of_bus_pci_match(struct device_node *np)
-{
-	/* "vci" is for the /chaos bridge on 1st-gen PCI powermacs */
-	return !strcmp(np->type, "pci") || !strcmp(np->type, "vci");
-}
-
-static void of_bus_pci_count_cells(struct device_node *np,
-				   int *addrc, int *sizec)
-{
-	if (addrc)
-		*addrc = 3;
-	if (sizec)
-		*sizec = 2;
-}
-
-static unsigned int of_bus_pci_get_flags(const u32 *addr)
-{
-	unsigned int flags = 0;
-	u32 w = addr[0];
-
-	switch((w >> 24) & 0x03) {
-	case 0x01:
-		flags |= IORESOURCE_IO;
-		break;
-	case 0x02: /* 32 bits */
-	case 0x03: /* 64 bits */
-		flags |= IORESOURCE_MEM;
-		break;
-	}
-	if (w & 0x40000000)
-		flags |= IORESOURCE_PREFETCH;
-	return flags;
-}
-
-static u64 of_bus_pci_map(u32 *addr, const u32 *range, int na, int ns, int pna)
-{
-	u64 cp, s, da;
-	unsigned int af, rf;
-
-	af = of_bus_pci_get_flags(addr);
-	rf = of_bus_pci_get_flags(range);
-
-	/* Check address type match */
-	if ((af ^ rf) & (IORESOURCE_MEM | IORESOURCE_IO))
-		return OF_BAD_ADDR;
-
-	/* Read address values, skipping high cell */
-	cp = of_read_number(range + 1, na - 1);
-	s  = of_read_number(range + na + pna, ns);
-	da = of_read_number(addr + 1, na - 1);
-
-	DBG("OF: PCI map, cp="PRu64", s="PRu64", da="PRu64"\n", cp, s, da);
-
-	if (da < cp || da >= (cp + s))
-		return OF_BAD_ADDR;
-	return da - cp;
-}
-
-static int of_bus_pci_translate(u32 *addr, u64 offset, int na)
-{
-	return of_bus_default_translate(addr + 1, offset, na - 1);
-}
-
-const u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size,
-			unsigned int *flags)
-{
-	const u32 *prop;
-	unsigned int psize;
-	struct device_node *parent;
-	struct of_bus *bus;
-	int onesize, i, na, ns;
-
-	/* Get parent & match bus type */
-	parent = of_get_parent(dev);
-	if (parent == NULL)
-		return NULL;
-	bus = of_match_bus(parent);
-	if (strcmp(bus->name, "pci")) {
-		of_node_put(parent);
-		return NULL;
-	}
-	bus->count_cells(dev, &na, &ns);
-	of_node_put(parent);
-	if (!OF_CHECK_COUNTS(na, ns))
-		return NULL;
-
-	/* Get "reg" or "assigned-addresses" property */
-	prop = of_get_property(dev, bus->addresses, &psize);
-	if (prop == NULL)
-		return NULL;
-	psize /= 4;
-
-	onesize = na + ns;
-	for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++)
-		if ((prop[0] & 0xff) == ((bar_no * 4) + PCI_BASE_ADDRESS_0)) {
-			if (size)
-				*size = of_read_number(prop + na, ns);
-			if (flags)
-				*flags = bus->get_flags(prop);
-			return prop;
-		}
-	return NULL;
-}
-EXPORT_SYMBOL(of_get_pci_address);
-
-int of_pci_address_to_resource(struct device_node *dev, int bar,
-			       struct resource *r)
-{
-	const u32	*addrp;
-	u64		size;
-	unsigned int	flags;
-
-	addrp = of_get_pci_address(dev, bar, &size, &flags);
-	if (addrp == NULL)
-		return -EINVAL;
-	return __of_address_to_resource(dev, addrp, size, flags, r);
-}
-EXPORT_SYMBOL_GPL(of_pci_address_to_resource);
-
 int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq)
 {
 	struct device_node *dn, *ppnode;
@@ -313,345 +92,6 @@ int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq)
 EXPORT_SYMBOL_GPL(of_irq_map_pci);
 #endif /* CONFIG_PCI */
 
-/*
- * ISA bus specific translator
- */
-
-static int of_bus_isa_match(struct device_node *np)
-{
-	return !strcmp(np->name, "isa");
-}
-
-static void of_bus_isa_count_cells(struct device_node *child,
-				   int *addrc, int *sizec)
-{
-	if (addrc)
-		*addrc = 2;
-	if (sizec)
-		*sizec = 1;
-}
-
-static u64 of_bus_isa_map(u32 *addr, const u32 *range, int na, int ns, int pna)
-{
-	u64 cp, s, da;
-
-	/* Check address type match */
-	if ((addr[0] ^ range[0]) & 0x00000001)
-		return OF_BAD_ADDR;
-
-	/* Read address values, skipping high cell */
-	cp = of_read_number(range + 1, na - 1);
-	s  = of_read_number(range + na + pna, ns);
-	da = of_read_number(addr + 1, na - 1);
-
-	DBG("OF: ISA map, cp="PRu64", s="PRu64", da="PRu64"\n", cp, s, da);
-
-	if (da < cp || da >= (cp + s))
-		return OF_BAD_ADDR;
-	return da - cp;
-}
-
-static int of_bus_isa_translate(u32 *addr, u64 offset, int na)
-{
-	return of_bus_default_translate(addr + 1, offset, na - 1);
-}
-
-static unsigned int of_bus_isa_get_flags(const u32 *addr)
-{
-	unsigned int flags = 0;
-	u32 w = addr[0];
-
-	if (w & 1)
-		flags |= IORESOURCE_IO;
-	else
-		flags |= IORESOURCE_MEM;
-	return flags;
-}
-
-
-/*
- * Array of bus specific translators
- */
-
-static struct of_bus of_busses[] = {
-#ifdef CONFIG_PCI
-	/* PCI */
-	{
-		.name = "pci",
-		.addresses = "assigned-addresses",
-		.match = of_bus_pci_match,
-		.count_cells = of_bus_pci_count_cells,
-		.map = of_bus_pci_map,
-		.translate = of_bus_pci_translate,
-		.get_flags = of_bus_pci_get_flags,
-	},
-#endif /* CONFIG_PCI */
-	/* ISA */
-	{
-		.name = "isa",
-		.addresses = "reg",
-		.match = of_bus_isa_match,
-		.count_cells = of_bus_isa_count_cells,
-		.map = of_bus_isa_map,
-		.translate = of_bus_isa_translate,
-		.get_flags = of_bus_isa_get_flags,
-	},
-	/* Default */
-	{
-		.name = "default",
-		.addresses = "reg",
-		.match = NULL,
-		.count_cells = of_bus_default_count_cells,
-		.map = of_bus_default_map,
-		.translate = of_bus_default_translate,
-		.get_flags = of_bus_default_get_flags,
-	},
-};
-
-static struct of_bus *of_match_bus(struct device_node *np)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(of_busses); i ++)
-		if (!of_busses[i].match || of_busses[i].match(np))
-			return &of_busses[i];
-	BUG();
-	return NULL;
-}
-
-static int of_translate_one(struct device_node *parent, struct of_bus *bus,
-			    struct of_bus *pbus, u32 *addr,
-			    int na, int ns, int pna, const char *rprop)
-{
-	const u32 *ranges;
-	unsigned int rlen;
-	int rone;
-	u64 offset = OF_BAD_ADDR;
-
-	/* Normally, an absence of a "ranges" property means we are
-	 * crossing a non-translatable boundary, and thus the addresses
-	 * below the current not cannot be converted to CPU physical ones.
-	 * Unfortunately, while this is very clear in the spec, it's not
-	 * what Apple understood, and they do have things like /uni-n or
-	 * /ht nodes with no "ranges" property and a lot of perfectly
-	 * useable mapped devices below them. Thus we treat the absence of
-	 * "ranges" as equivalent to an empty "ranges" property which means
-	 * a 1:1 translation at that level. It's up to the caller not to try
-	 * to translate addresses that aren't supposed to be translated in
-	 * the first place. --BenH.
-	 */
-	ranges = of_get_property(parent, rprop, &rlen);
-	if (ranges == NULL || rlen == 0) {
-		offset = of_read_number(addr, na);
-		memset(addr, 0, pna * 4);
-		DBG("OF: no ranges, 1:1 translation\n");
-		goto finish;
-	}
-
-	DBG("OF: walking ranges...\n");
-
-	/* Now walk through the ranges */
-	rlen /= 4;
-	rone = na + pna + ns;
-	for (; rlen >= rone; rlen -= rone, ranges += rone) {
-		offset = bus->map(addr, ranges, na, ns, pna);
-		if (offset != OF_BAD_ADDR)
-			break;
-	}
-	if (offset == OF_BAD_ADDR) {
-		DBG("OF: not found !\n");
-		return 1;
-	}
-	memcpy(addr, ranges + na, 4 * pna);
-
- finish:
-	of_dump_addr("OF: parent translation for:", addr, pna);
-	DBG("OF: with offset: "PRu64"\n", offset);
-
-	/* Translate it into parent bus space */
-	return pbus->translate(addr, offset, pna);
-}
-
-
-/*
- * Translate an address from the device-tree into a CPU physical address,
- * this walks up the tree and applies the various bus mappings on the
- * way.
- *
- * Note: We consider that crossing any level with #size-cells == 0 to mean
- * that translation is impossible (that is we are not dealing with a value
- * that can be mapped to a cpu physical address). This is not really specified
- * that way, but this is traditionally the way IBM at least do things
- */
-u64 __of_translate_address(struct device_node *dev, const u32 *in_addr,
-			   const char *rprop)
-{
-	struct device_node *parent = NULL;
-	struct of_bus *bus, *pbus;
-	u32 addr[OF_MAX_ADDR_CELLS];
-	int na, ns, pna, pns;
-	u64 result = OF_BAD_ADDR;
-
-	DBG("OF: ** translation for device %s **\n", dev->full_name);
-
-	/* Increase refcount at current level */
-	of_node_get(dev);
-
-	/* Get parent & match bus type */
-	parent = of_get_parent(dev);
-	if (parent == NULL)
-		goto bail;
-	bus = of_match_bus(parent);
-
-	/* Cound address cells & copy address locally */
-	bus->count_cells(dev, &na, &ns);
-	if (!OF_CHECK_COUNTS(na, ns)) {
-		printk(KERN_ERR "prom_parse: Bad cell count for %s\n",
-		       dev->full_name);
-		goto bail;
-	}
-	memcpy(addr, in_addr, na * 4);
-
-	DBG("OF: bus is %s (na=%d, ns=%d) on %s\n",
-	    bus->name, na, ns, parent->full_name);
-	of_dump_addr("OF: translating address:", addr, na);
-
-	/* Translate */
-	for (;;) {
-		/* Switch to parent bus */
-		of_node_put(dev);
-		dev = parent;
-		parent = of_get_parent(dev);
-
-		/* If root, we have finished */
-		if (parent == NULL) {
-			DBG("OF: reached root node\n");
-			result = of_read_number(addr, na);
-			break;
-		}
-
-		/* Get new parent bus and counts */
-		pbus = of_match_bus(parent);
-		pbus->count_cells(dev, &pna, &pns);
-		if (!OF_CHECK_COUNTS(pna, pns)) {
-			printk(KERN_ERR "prom_parse: Bad cell count for %s\n",
-			       dev->full_name);
-			break;
-		}
-
-		DBG("OF: parent bus is %s (na=%d, ns=%d) on %s\n",
-		    pbus->name, pna, pns, parent->full_name);
-
-		/* Apply bus translation */
-		if (of_translate_one(dev, bus, pbus, addr, na, ns, pna, rprop))
-			break;
-
-		/* Complete the move up one level */
-		na = pna;
-		ns = pns;
-		bus = pbus;
-
-		of_dump_addr("OF: one level translation:", addr, na);
-	}
- bail:
-	of_node_put(parent);
-	of_node_put(dev);
-
-	return result;
-}
-
-u64 of_translate_address(struct device_node *dev, const u32 *in_addr)
-{
-	return __of_translate_address(dev, in_addr, "ranges");
-}
-EXPORT_SYMBOL(of_translate_address);
-
-u64 of_translate_dma_address(struct device_node *dev, const u32 *in_addr)
-{
-	return __of_translate_address(dev, in_addr, "dma-ranges");
-}
-EXPORT_SYMBOL(of_translate_dma_address);
-
-const u32 *of_get_address(struct device_node *dev, int index, u64 *size,
-		    unsigned int *flags)
-{
-	const u32 *prop;
-	unsigned int psize;
-	struct device_node *parent;
-	struct of_bus *bus;
-	int onesize, i, na, ns;
-
-	/* Get parent & match bus type */
-	parent = of_get_parent(dev);
-	if (parent == NULL)
-		return NULL;
-	bus = of_match_bus(parent);
-	bus->count_cells(dev, &na, &ns);
-	of_node_put(parent);
-	if (!OF_CHECK_COUNTS(na, ns))
-		return NULL;
-
-	/* Get "reg" or "assigned-addresses" property */
-	prop = of_get_property(dev, bus->addresses, &psize);
-	if (prop == NULL)
-		return NULL;
-	psize /= 4;
-
-	onesize = na + ns;
-	for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++)
-		if (i == index) {
-			if (size)
-				*size = of_read_number(prop + na, ns);
-			if (flags)
-				*flags = bus->get_flags(prop);
-			return prop;
-		}
-	return NULL;
-}
-EXPORT_SYMBOL(of_get_address);
-
-static int __of_address_to_resource(struct device_node *dev, const u32 *addrp,
-				    u64 size, unsigned int flags,
-				    struct resource *r)
-{
-	u64 taddr;
-
-	if ((flags & (IORESOURCE_IO | IORESOURCE_MEM)) == 0)
-		return -EINVAL;
-	taddr = of_translate_address(dev, addrp);
-	if (taddr == OF_BAD_ADDR)
-		return -EINVAL;
-	memset(r, 0, sizeof(struct resource));
-	if (flags & IORESOURCE_IO) {
-		unsigned long port;
-		port = pci_address_to_pio(taddr);
-		if (port == (unsigned long)-1)
-			return -EINVAL;
-		r->start = port;
-		r->end = port + size - 1;
-	} else {
-		r->start = taddr;
-		r->end = taddr + size - 1;
-	}
-	r->flags = flags;
-	r->name = dev->name;
-	return 0;
-}
-
-int of_address_to_resource(struct device_node *dev, int index,
-			   struct resource *r)
-{
-	const u32	*addrp;
-	u64		size;
-	unsigned int	flags;
-
-	addrp = of_get_address(dev, index, &size, &flags);
-	if (addrp == NULL)
-		return -EINVAL;
-	return __of_address_to_resource(dev, addrp, size, flags, r);
-}
-EXPORT_SYMBOL_GPL(of_address_to_resource);
-
 void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
 		unsigned long *busno, unsigned long *phys, unsigned long *size)
 {
@@ -678,342 +118,6 @@ void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
 	*size = of_read_number(dma_window, cells);
 }
 
-/*
- * Interrupt remapper
- */
-
-static unsigned int of_irq_workarounds;
-static struct device_node *of_irq_dflt_pic;
-
-static struct device_node *of_irq_find_parent(struct device_node *child)
-{
-	struct device_node *p;
-	const phandle *parp;
-
-	if (!of_node_get(child))
-		return NULL;
-
-	do {
-		parp = of_get_property(child, "interrupt-parent", NULL);
-		if (parp == NULL)
-			p = of_get_parent(child);
-		else {
-			if (of_irq_workarounds & OF_IMAP_NO_PHANDLE)
-				p = of_node_get(of_irq_dflt_pic);
-			else
-				p = of_find_node_by_phandle(*parp);
-		}
-		of_node_put(child);
-		child = p;
-	} while (p && of_get_property(p, "#interrupt-cells", NULL) == NULL);
-
-	return p;
-}
-
-/* This doesn't need to be called if you don't have any special workaround
- * flags to pass
- */
-void of_irq_map_init(unsigned int flags)
-{
-	of_irq_workarounds = flags;
-
-	/* OldWorld, don't bother looking at other things */
-	if (flags & OF_IMAP_OLDWORLD_MAC)
-		return;
-
-	/* If we don't have phandles, let's try to locate a default interrupt
-	 * controller (happens when booting with BootX). We do a first match
-	 * here, hopefully, that only ever happens on machines with one
-	 * controller.
-	 */
-	if (flags & OF_IMAP_NO_PHANDLE) {
-		struct device_node *np;
-
-		for_each_node_with_property(np, "interrupt-controller") {
-			/* Skip /chosen/interrupt-controller */
-			if (strcmp(np->name, "chosen") == 0)
-				continue;
-			/* It seems like at least one person on this planet wants
-			 * to use BootX on a machine with an AppleKiwi controller
-			 * which happens to pretend to be an interrupt
-			 * controller too.
-			 */
-			if (strcmp(np->name, "AppleKiwi") == 0)
-				continue;
-			/* I think we found one ! */
-			of_irq_dflt_pic = np;
-			break;
-		}
-	}
-
-}
-
-int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize,
-		const u32 *addr, struct of_irq *out_irq)
-{
-	struct device_node *ipar, *tnode, *old = NULL, *newpar = NULL;
-	const u32 *tmp, *imap, *imask;
-	u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0;
-	int imaplen, match, i;
-
-	DBG("of_irq_map_raw: par=%s,intspec=[0x%08x 0x%08x...],ointsize=%d\n",
-	    parent->full_name, intspec[0], intspec[1], ointsize);
-
-	ipar = of_node_get(parent);
-
-	/* First get the #interrupt-cells property of the current cursor
-	 * that tells us how to interpret the passed-in intspec. If there
-	 * is none, we are nice and just walk up the tree
-	 */
-	do {
-		tmp = of_get_property(ipar, "#interrupt-cells", NULL);
-		if (tmp != NULL) {
-			intsize = *tmp;
-			break;
-		}
-		tnode = ipar;
-		ipar = of_irq_find_parent(ipar);
-		of_node_put(tnode);
-	} while (ipar);
-	if (ipar == NULL) {
-		DBG(" -> no parent found !\n");
-		goto fail;
-	}
-
-	DBG("of_irq_map_raw: ipar=%s, size=%d\n", ipar->full_name, intsize);
-
-	if (ointsize != intsize)
-		return -EINVAL;
-
-	/* Look for this #address-cells. We have to implement the old linux
-	 * trick of looking for the parent here as some device-trees rely on it
-	 */
-	old = of_node_get(ipar);
-	do {
-		tmp = of_get_property(old, "#address-cells", NULL);
-		tnode = of_get_parent(old);
-		of_node_put(old);
-		old = tnode;
-	} while(old && tmp == NULL);
-	of_node_put(old);
-	old = NULL;
-	addrsize = (tmp == NULL) ? 2 : *tmp;
-
-	DBG(" -> addrsize=%d\n", addrsize);
-
-	/* Now start the actual "proper" walk of the interrupt tree */
-	while (ipar != NULL) {
-		/* Now check if cursor is an interrupt-controller and if it is
-		 * then we are done
-		 */
-		if (of_get_property(ipar, "interrupt-controller", NULL) !=
-				NULL) {
-			DBG(" -> got it !\n");
-			memcpy(out_irq->specifier, intspec,
-			       intsize * sizeof(u32));
-			out_irq->size = intsize;
-			out_irq->controller = ipar;
-			of_node_put(old);
-			return 0;
-		}
-
-		/* Now look for an interrupt-map */
-		imap = of_get_property(ipar, "interrupt-map", &imaplen);
-		/* No interrupt map, check for an interrupt parent */
-		if (imap == NULL) {
-			DBG(" -> no map, getting parent\n");
-			newpar = of_irq_find_parent(ipar);
-			goto skiplevel;
-		}
-		imaplen /= sizeof(u32);
-
-		/* Look for a mask */
-		imask = of_get_property(ipar, "interrupt-map-mask", NULL);
-
-		/* If we were passed no "reg" property and we attempt to parse
-		 * an interrupt-map, then #address-cells must be 0.
-		 * Fail if it's not.
-		 */
-		if (addr == NULL && addrsize != 0) {
-			DBG(" -> no reg passed in when needed !\n");
-			goto fail;
-		}
-
-		/* Parse interrupt-map */
-		match = 0;
-		while (imaplen > (addrsize + intsize + 1) && !match) {
-			/* Compare specifiers */
-			match = 1;
-			for (i = 0; i < addrsize && match; ++i) {
-				u32 mask = imask ? imask[i] : 0xffffffffu;
-				match = ((addr[i] ^ imap[i]) & mask) == 0;
-			}
-			for (; i < (addrsize + intsize) && match; ++i) {
-				u32 mask = imask ? imask[i] : 0xffffffffu;
-				match =
-				   ((intspec[i-addrsize] ^ imap[i]) & mask) == 0;
-			}
-			imap += addrsize + intsize;
-			imaplen -= addrsize + intsize;
-
-			DBG(" -> match=%d (imaplen=%d)\n", match, imaplen);
-
-			/* Get the interrupt parent */
-			if (of_irq_workarounds & OF_IMAP_NO_PHANDLE)
-				newpar = of_node_get(of_irq_dflt_pic);
-			else
-				newpar = of_find_node_by_phandle((phandle)*imap);
-			imap++;
-			--imaplen;
-
-			/* Check if not found */
-			if (newpar == NULL) {
-				DBG(" -> imap parent not found !\n");
-				goto fail;
-			}
-
-			/* Get #interrupt-cells and #address-cells of new
-			 * parent
-			 */
-			tmp = of_get_property(newpar, "#interrupt-cells", NULL);
-			if (tmp == NULL) {
-				DBG(" -> parent lacks #interrupt-cells !\n");
-				goto fail;
-			}
-			newintsize = *tmp;
-			tmp = of_get_property(newpar, "#address-cells", NULL);
-			newaddrsize = (tmp == NULL) ? 0 : *tmp;
-
-			DBG(" -> newintsize=%d, newaddrsize=%d\n",
-			    newintsize, newaddrsize);
-
-			/* Check for malformed properties */
-			if (imaplen < (newaddrsize + newintsize))
-				goto fail;
-
-			imap += newaddrsize + newintsize;
-			imaplen -= newaddrsize + newintsize;
-
-			DBG(" -> imaplen=%d\n", imaplen);
-		}
-		if (!match)
-			goto fail;
-
-		of_node_put(old);
-		old = of_node_get(newpar);
-		addrsize = newaddrsize;
-		intsize = newintsize;
-		intspec = imap - intsize;
-		addr = intspec - addrsize;
-
-	skiplevel:
-		/* Iterate again with new parent */
-		DBG(" -> new parent: %s\n", newpar ? newpar->full_name : "<>");
-		of_node_put(ipar);
-		ipar = newpar;
-		newpar = NULL;
-	}
- fail:
-	of_node_put(ipar);
-	of_node_put(old);
-	of_node_put(newpar);
-
-	return -EINVAL;
-}
-EXPORT_SYMBOL_GPL(of_irq_map_raw);
-
-#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32)
-static int of_irq_map_oldworld(struct device_node *device, int index,
-			       struct of_irq *out_irq)
-{
-	const u32 *ints = NULL;
-	int intlen;
-
-	/*
-	 * Old machines just have a list of interrupt numbers
-	 * and no interrupt-controller nodes. We also have dodgy
-	 * cases where the APPL,interrupts property is completely
-	 * missing behind pci-pci bridges and we have to get it
-	 * from the parent (the bridge itself, as apple just wired
-	 * everything together on these)
-	 */
-	while (device) {
-		ints = of_get_property(device, "AAPL,interrupts", &intlen);
-		if (ints != NULL)
-			break;
-		device = device->parent;
-		if (device && strcmp(device->type, "pci") != 0)
-			break;
-	}
-	if (ints == NULL)
-		return -EINVAL;
-	intlen /= sizeof(u32);
-
-	if (index >= intlen)
-		return -EINVAL;
-
-	out_irq->controller = NULL;
-	out_irq->specifier[0] = ints[index];
-	out_irq->size = 1;
-
-	return 0;
-}
-#else /* defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32) */
-static int of_irq_map_oldworld(struct device_node *device, int index,
-			       struct of_irq *out_irq)
-{
-	return -EINVAL;
-}
-#endif /* !(defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32)) */
-
-int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq)
-{
-	struct device_node *p;
-	const u32 *intspec, *tmp, *addr;
-	u32 intsize, intlen;
-	int res = -EINVAL;
-
-	DBG("of_irq_map_one: dev=%s, index=%d\n", device->full_name, index);
-
-	/* OldWorld mac stuff is "special", handle out of line */
-	if (of_irq_workarounds & OF_IMAP_OLDWORLD_MAC)
-		return of_irq_map_oldworld(device, index, out_irq);
-
-	/* Get the interrupts property */
-	intspec = of_get_property(device, "interrupts", &intlen);
-	if (intspec == NULL)
-		return -EINVAL;
-	intlen /= sizeof(u32);
-
-	/* Get the reg property (if any) */
-	addr = of_get_property(device, "reg", NULL);
-
-	/* Look for the interrupt parent. */
-	p = of_irq_find_parent(device);
-	if (p == NULL)
-		return -EINVAL;
-
-	/* Get size of interrupt specifier */
-	tmp = of_get_property(p, "#interrupt-cells", NULL);
-	if (tmp == NULL)
-		goto out;
-	intsize = *tmp;
-
-	DBG(" intsize=%d intlen=%d\n", intsize, intlen);
-
-	/* Check index */
-	if ((index + 1) * intsize > intlen)
-		goto out;
-
-	/* Get new specifier and map it */
-	res = of_irq_map_raw(p, intspec + index * intsize, intsize,
-			     addr, out_irq);
-out:
-	of_node_put(p);
-	return res;
-}
-EXPORT_SYMBOL_GPL(of_irq_map_one);
-
 /**
  * Search the device tree for the best MAC address to use.  'mac-address' is
  * checked first, because that is supposed to contain to "most recent" MAC
@@ -1051,29 +155,3 @@ const void *of_get_mac_address(struct device_node *np)
 	return NULL;
 }
 EXPORT_SYMBOL(of_get_mac_address);
-
-int of_irq_to_resource(struct device_node *dev, int index, struct resource *r)
-{
-	int irq = irq_of_parse_and_map(dev, index);
-
-	/* Only dereference the resource if both the
-	 * resource and the irq are valid. */
-	if (r && irq != NO_IRQ) {
-		r->start = r->end = irq;
-		r->flags = IORESOURCE_IRQ;
-	}
-
-	return irq;
-}
-EXPORT_SYMBOL_GPL(of_irq_to_resource);
-
-void __iomem *of_iomap(struct device_node *np, int index)
-{
-	struct resource res;
-
-	if (of_address_to_resource(np, index, &res))
-		return NULL;
-
-	return ioremap(res.start, 1 + res.end - res.start);
-}
-EXPORT_SYMBOL(of_iomap);