1 files changed, 0 insertions, 478 deletions
diff --git a/target/linux/olpc/files-2.6.23/arch/i386/kernel/prom.c b/target/linux/olpc/files-2.6.23/arch/i386/kernel/prom.c
deleted file mode 100644
index d64bb276f2..0000000000
--- a/target/linux/olpc/files-2.6.23/arch/i386/kernel/prom.c
+++ /dev/null
@@ -1,478 +0,0 @@
-/*
- * Procedures for creating, accessing and interpreting the device tree.
- *
- * Paul Mackerras	August 1996.
- * Copyright (C) 1996-2005 Paul Mackerras.
- * 
- *  Adapted for 64bit PowerPC by Dave Engebretsen and Peter Bergner.
- *    {engebret|bergner}@us.ibm.com 
- *
- *  Adapted for sparc64 by David S. Miller davem@davemloft.net
- *
- *  Adapter for i386/OLPC by Andres Salomon <dilinger@debian.org>
- *
- *      This program is free software; you can redistribute it and/or
- *      modify it under the terms of the GNU General Public License
- *      as published by the Free Software Foundation; either version
- *      2 of the License, or (at your option) any later version.
- */
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/bootmem.h>
-#include <linux/module.h>
-#include <asm/prom.h>
-#include <asm/ofw.h>
-
-/*
- * XXX: This is very much a stub; right now we're keeping 2 device trees
- * in memory (one for promfs, and one here).  That will not remain
- * for long!
- */
-
-static struct device_node *allnodes;
-
-/* use when traversing tree through the allnext, child, sibling,
- * or parent members of struct device_node.
- */
-static DEFINE_RWLOCK(devtree_lock);
-
-int of_device_is_compatible(const struct device_node *device,
-			    const char *compat)
-{
-	const char* cp;
-	int cplen, l;
-
-	cp = of_get_property(device, "compatible", &cplen);
-	if (cp == NULL)
-		return 0;
-	while (cplen > 0) {
-		if (strncmp(cp, compat, strlen(compat)) == 0)
-			return 1;
-		l = strlen(cp) + 1;
-		cp += l;
-		cplen -= l;
-	}
-
-	return 0;
-}
-EXPORT_SYMBOL(of_device_is_compatible);
-
-struct device_node *of_get_parent(const struct device_node *node)
-{
-	struct device_node *np;
-
-	if (!node)
-		return NULL;
-
-	np = node->parent;
-
-	return np;
-}
-EXPORT_SYMBOL(of_get_parent);
-
-struct device_node *of_get_next_child(const struct device_node *node,
-	struct device_node *prev)
-{
-	struct device_node *next;
-
-	next = prev ? prev->sibling : node->child;
-	for (; next != 0; next = next->sibling) {
-		break;
-	}
-
-	return next;
-}
-EXPORT_SYMBOL(of_get_next_child);
-
-struct device_node *of_find_node_by_path(const char *path)
-{
-	struct device_node *np = allnodes;
-
-	for (; np != 0; np = np->allnext) {
-		if (np->full_name != 0 && strcmp(np->full_name, path) == 0)
-			break;
-	}
-
-	return np;
-}
-EXPORT_SYMBOL(of_find_node_by_path);
-
-struct device_node *of_find_node_by_phandle(phandle handle)
-{
-	struct device_node *np;
-
-	for (np = allnodes; np != 0; np = np->allnext)
-		if (np->node == handle)
-			break;
-
-	return np;
-}
-EXPORT_SYMBOL(of_find_node_by_phandle);
-
-struct device_node *of_find_node_by_name(struct device_node *from,
-	const char *name)
-{
-	struct device_node *np;
-
-	np = from ? from->allnext : allnodes;
-	for (; np != NULL; np = np->allnext)
-		if (np->name != NULL && strcmp(np->name, name) == 0)
-			break;
-
-	return np;
-}
-EXPORT_SYMBOL(of_find_node_by_name);
-
-struct device_node *of_find_node_by_type(struct device_node *from,
-	const char *type)
-{
-	struct device_node *np;
-
-	np = from ? from->allnext : allnodes;
-	for (; np != 0; np = np->allnext)
-		if (np->type != 0 && strcmp(np->type, type) == 0)
-			break;
-
-	return np;
-}
-EXPORT_SYMBOL(of_find_node_by_type);
-
-struct device_node *of_find_compatible_node(struct device_node *from,
-	const char *type, const char *compatible)
-{
-	struct device_node *np;
-
-	np = from ? from->allnext : allnodes;
-	for (; np != 0; np = np->allnext) {
-		if (type != NULL
-		    && !(np->type != 0 && strcmp(np->type, type) == 0))
-			continue;
-		if (of_device_is_compatible(np, compatible))
-			break;
-	}
-
-	return np;
-}
-EXPORT_SYMBOL(of_find_compatible_node);
-
-struct property *of_find_property(const struct device_node *np,
-				  const char *name,
-				  int *lenp)
-{
-	struct property *pp;
-
-	for (pp = np->properties; pp != 0; pp = pp->next) {
-		if (strcasecmp(pp->name, name) == 0) {
-			if (lenp != 0)
-				*lenp = pp->length;
-			break;
-		}
-	}
-	return pp;
-}
-EXPORT_SYMBOL(of_find_property);
-
-/*
- * Find a property with a given name for a given node
- * and return the value.
- */
-const void *of_get_property(const struct device_node *np, const char *name,
-		      int *lenp)
-{
-	struct property *pp = of_find_property(np,name,lenp);
-	return pp ? pp->value : NULL;
-}
-EXPORT_SYMBOL(of_get_property);
-
-int of_getintprop_default(struct device_node *np, const char *name, int def)
-{
-	struct property *prop;
-	int len;
-
-	prop = of_find_property(np, name, &len);
-	if (!prop || len != 4)
-		return def;
-
-	return *(int *) prop->value;
-}
-EXPORT_SYMBOL(of_getintprop_default);
-
-int of_n_addr_cells(struct device_node *np)
-{
-	const int* ip;
-	do {
-		if (np->parent)
-			np = np->parent;
-		ip = of_get_property(np, "#address-cells", NULL);
-		if (ip != NULL)
-			return *ip;
-	} while (np->parent);
-	/* No #address-cells property for the root node, default to 2 */
-	return 2;
-}
-EXPORT_SYMBOL(of_n_addr_cells);
-
-int of_n_size_cells(struct device_node *np)
-{
-	const int* ip;
-	do {
-		if (np->parent)
-			np = np->parent;
-		ip = of_get_property(np, "#size-cells", NULL);
-		if (ip != NULL)
-			return *ip;
-	} while (np->parent);
-	/* No #size-cells property for the root node, default to 1 */
-	return 1;
-}
-EXPORT_SYMBOL(of_n_size_cells);
-
-int of_set_property(struct device_node *dp, const char *name, void *val, int len)
-{
-	return -EIO;
-}
-EXPORT_SYMBOL(of_set_property);
-
-static unsigned int prom_early_allocated;
-
-static void * __init prom_early_alloc(unsigned long size)
-{
-	void *ret;
-
-	ret = kmalloc(size, GFP_KERNEL);
-	if (ret != NULL)
-		memset(ret, 0, size);
-	else
-		printk(KERN_ERR "ACK!  couldn't allocate prom memory!\n");
-
-	prom_early_allocated += size;
-
-	return ret;
-}
-
-static int is_root_node(const struct device_node *dp)
-{
-	if (!dp)
-		return 0;
-
-	return (dp->parent == NULL);
-}
-
-static char * __init build_path_component(struct device_node *dp)
-{
-	int pathlen;
-	char *n, *i;
-
-	if (ofw("package-to-path", 3, 1, dp->node, NULL, 0, &pathlen)) {
-		printk(KERN_ERR "PROM: unable to get path name from OFW!\n");
-		return "ERROR";
-	}
-	n = prom_early_alloc(pathlen + 1);
-	if (ofw("package-to-path", 3, 1, dp->node, n, pathlen+1, &pathlen))
-		printk(KERN_ERR "PROM: unable to get path name from OFW\n");
-
-	if ((i = strrchr(n, '/')))
-		n = ++i;	/* we only want the file name */
-	return n;
-}
-
-static char * __init build_full_name(struct device_node *dp)
-{
-	int len, ourlen, plen;
-	char *n;
-
-	plen = strlen(dp->parent->full_name);
-	ourlen = strlen(dp->path_component_name);
-	len = ourlen + plen + 2;
-
-	n = prom_early_alloc(len);
-	strcpy(n, dp->parent->full_name);
-	if (!is_root_node(dp->parent)) {
-		strcpy(n + plen, "/");
-		plen++;
-	}
-	strcpy(n + plen, dp->path_component_name);
-
-	return n;
-}
-
-static struct property * __init build_one_prop(phandle node, char *prev, char *special_name, void *special_val, int special_len)
-{
-	static struct property *tmp = NULL;
-	struct property *p;
-
-	if (tmp) {
-		p = tmp;
-		memset(p, 0, sizeof(*p) + 32);
-		tmp = NULL;
-	} else {
-		p = prom_early_alloc(sizeof(struct property) + 32);
-	}
-
-	p->name = (char *) (p + 1);
-	if (special_name) {
-		strcpy(p->name, special_name);
-		p->length = special_len;
-		p->value = prom_early_alloc(special_len);
-		memcpy(p->value, special_val, special_len);
-	} else {
-		int fl;
-		if (prev == NULL) {
-			if (ofw("nextprop", 3, 1, node, "", p->name, &fl)) {
-				printk(KERN_ERR "PROM: %s: nextprop failed!\n", __func__);
-				return NULL;
-			}
-		} else {
-			if (ofw("nextprop", 3, 1, node, prev, p->name, &fl)) {
-				printk(KERN_ERR "PROM: %s: nextprop failed!\n", __func__);
-				return NULL;
-			}
-		}
-		if (strlen(p->name) == 0 || fl != 1) {
-			tmp = p;
-			return NULL;
-		}
-		if (ofw("getproplen", 2, 1, node, p->name, &p->length)) {
-			printk(KERN_ERR "PROM: %s: getproplen failed!\n", __func__);
-			return NULL;
-		}
-		if (p->length <= 0) {
-			p->length = 0;
-		} else {
-			p->value = prom_early_alloc(p->length + 1);
-			if (ofw("getprop", 4, 1, node, p->name, p->value, p->length, &p->length)) {
-				printk(KERN_ERR "PROM: %s: getprop failed!\n", __func__);
-				return NULL;
-			}
-			((unsigned char *)p->value)[p->length] = '\0';
-		}
-	}
-	return p;
-}
-
-static struct property * __init build_prop_list(phandle node)
-{
-	struct property *head, *tail;
-
-	head = tail = build_one_prop(node, NULL,
-				     ".node", &node, sizeof(node));
-
-	tail->next = build_one_prop(node, NULL, NULL, NULL, 0);
-	tail = tail->next;
-	while(tail) {
-		tail->next = build_one_prop(node, tail->name,
-					    NULL, NULL, 0);
-		tail = tail->next;
-	}
-
-	return head;
-}
-
-static char * __init get_one_property(phandle node, const char *name)
-{
-	char *buf = "<NULL>";
-	int len;
-
-	if (ofw("getproplen", 2, 1, node, name, &len)) {
-		printk(KERN_ERR "PROM: %s: getproplen failed!\n", __func__);
-		return NULL;
-	}
-	if (len > 0) {
-		buf = prom_early_alloc(len);
-		if (ofw("getprop", 4, 1, node, name, buf, len, &len)) {
-			printk(KERN_ERR "PROM: %s: getprop failed!\n", __func__);
-			return NULL;
-		}
-	}
-
-	return buf;
-}
-
-static struct device_node * __init create_node(phandle node, struct device_node *parent)
-{
-	struct device_node *dp;
-
-	if (!node)
-		return NULL;
-
-	dp = prom_early_alloc(sizeof(*dp));
-	dp->parent = parent;
-
-	kref_init(&dp->kref);
-
-	dp->name = get_one_property(node, "name");
-	dp->type = get_one_property(node, "device_type");
-	dp->node = node;
-
-	dp->properties = build_prop_list(node);
-
-	return dp;
-}
-
-static struct device_node * __init build_tree(struct device_node *parent, phandle node, struct device_node ***nextp)
-{
-	struct device_node *ret = NULL, *prev_sibling = NULL;
-	struct device_node *dp;
-	u32 child;
-
-	while (1) {
-		dp = create_node(node, parent);
-		if (!dp)
-			break;
-
-		if (prev_sibling)
-			prev_sibling->sibling = dp;
-
-		if (!ret)
-			ret = dp;
-		prev_sibling = dp;
-
-		*(*nextp) = dp;
-		*nextp = &dp->allnext;
-
-		dp->path_component_name = build_path_component(dp);
-		dp->full_name = build_full_name(dp);
-
-		if (ofw("child", 1, 1, node, &child)) {
-			printk(KERN_ERR "PROM: %s: fetching child failed!\n", __func__);
-			return NULL;
-		}
-		dp->child = build_tree(dp, child, nextp);
-
-		if (ofw("peer", 1, 1, node, &node)) {
-			printk(KERN_ERR "PROM: %s: fetching peer failed!\n", __func__);
-			return NULL;
-		}
-	}
-
-	return ret;
-}
-
-static phandle root_node;
-
-void __init prom_build_devicetree(void)
-{
-	struct device_node **nextp;
-	u32 child;
-
-	if (ofw("peer", 1, 1, 0, &root_node)) {
-		printk(KERN_ERR "PROM: unable to get root node from OFW!\n");
-		return;
-	}
-
-	allnodes = create_node(root_node, NULL);
-	allnodes->path_component_name = "";
-	allnodes->full_name = "/";
-
-	nextp = &allnodes->allnext;
-	if (ofw("child", 1, 1, allnodes->node, &child)) {
-		printk(KERN_ERR "PROM: unable to get child node from OFW!\n");
-		return;
-	}
-	allnodes->child = build_tree(allnodes, child, &nextp);
-	printk("PROM: Built device tree with %u bytes of memory.\n",
-	       prom_early_allocated);
-}