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;
const char *name;
if (tmp) {
p = tmp;
memset(p, 0, sizeof(*p) + 32);
tmp = NULL;
} else {
p = prom_early_alloc(sizeof(struct property) + 32);
p->unique_id = prom_unique_id++;
}
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 {
if (prev == NULL) {
name = prom_firstprop(node, p->name);
} else {
name = prom_nextprop(node, prev, p->name);
}
if (!name || strlen(name) == 0) {
tmp = p;
return NULL;
}
#ifdef CONFIG_SPARC32
strcpy(p->name, name);
#endif
p->length = prom_getproplen(node, p->name);
if (p->length <= 0) {
p->length = 0;
} else {
int len;
p->value = prom_early_alloc(p->length + 1);
len = prom_getproperty(node, p->name, p->value,
p->length);
if (len <= 0)
p->length = 0;
((unsigned char *)p->value)[p->length] = '\0';
}
}
return p;
}
static struct property * __init of_pdt_build_one_prop(phandle node, char *prev,
char *special_name,
void *special_val,
int special_len)
{
static struct property *tmp = NULL;
struct property *p;
int err;
if (tmp) {
p = tmp;
memset(p, 0, sizeof(*p) + 32);
tmp = NULL;
} else {
p = prom_early_alloc(sizeof(struct property) + 32);
of_pdt_incr_unique_id(p);
}
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 {
err = of_pdt_prom_ops->nextprop(node, prev, p->name);
if (err) {
tmp = p;
return NULL;
}
p->length = of_pdt_prom_ops->getproplen(node, p->name);
if (p->length <= 0) {
p->length = 0;
} else {
int len;
p->value = prom_early_alloc(p->length + 1);
len = of_pdt_prom_ops->getproperty(node, p->name,
p->value, p->length);
if (len <= 0)
p->length = 0;
((unsigned char *)p->value)[p->length] = '\0';
}
}
return p;
}
static void __init psycho_irq_trans_init(struct device_node *dp)
{
const struct linux_prom64_registers *regs;
dp->irq_trans = prom_early_alloc(sizeof(struct of_irq_controller));
dp->irq_trans->irq_build = psycho_irq_build;
regs = of_get_property(dp, "reg", NULL);
dp->irq_trans->data = (void *) regs[2].phys_addr;
}
void __init leon_trans_init(struct device_node *dp)
{
if (strcmp(dp->type, "cpu") == 0 && strcmp(dp->name, "<NULL>") == 0) {
struct property *p;
p = of_find_property(dp, "mid", (void *)0);
if (p) {
int mid;
dp->name = prom_early_alloc(5 + 1);
memcpy(&mid, p->value, p->length);
sprintf((char *)dp->name, "cpu%.2d", mid);
}
}
}
static char * __init get_one_property(phandle node, const char *name)
{
char *buf = "<NULL>";
int len;
len = prom_getproplen(node, name);
if (len > 0) {
buf = prom_early_alloc(len);
len = prom_getproperty(node, name, buf, len);
}
return buf;
}
static char * __init of_pdt_build_full_name(struct device_node *dp)
{
static int failsafe_id = 0; /* for generating unique names on failure */
char *buf;
int len;
if (of_pdt_prom_ops->pkg2path(dp->phandle, NULL, 0, &len))
goto failsafe;
buf = prom_early_alloc(len + 1);
if (of_pdt_prom_ops->pkg2path(dp->phandle, buf, len, &len))
goto failsafe;
return buf;
failsafe:
buf = prom_early_alloc(strlen(dp->parent->full_name) +
strlen(dp->name) + 16);
sprintf(buf, "%s/%s@unknown%i",
of_node_is_root(dp->parent) ? "" : dp->parent->full_name,
dp->name, failsafe_id++);
pr_err("%s: pkg2path failed; assigning %s\n", __func__, buf);
return buf;
}
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 (!of_node_is_root(dp->parent)) {
strcpy(n + plen, "/");
plen++;
}
strcpy(n + plen, dp->path_component_name);
return n;
}
static char * __init of_pdt_try_pkg2path(phandle node)
{
char *res, *buf = NULL;
int len;
if (!of_pdt_prom_ops->pkg2path)
return NULL;
if (of_pdt_prom_ops->pkg2path(node, buf, 0, &len))
return NULL;
buf = prom_early_alloc(len + 1);
if (of_pdt_prom_ops->pkg2path(node, buf, len, &len)) {
pr_err("%s: package-to-path failed\n", __func__);
return NULL;
}
res = strrchr(buf, '/');
if (!res) {
pr_err("%s: couldn't find / in %s\n", __func__, buf);
return NULL;
}
return res+1;
}
static struct device_node * __init of_pdt_create_node(phandle node,
struct device_node *parent)
{
struct device_node *dp;
if (!node)
return NULL;
dp = prom_early_alloc(sizeof(*dp));
of_node_init(dp);
of_pdt_incr_unique_id(dp);
dp->parent = parent;
dp->name = of_pdt_get_one_property(node, "name");
dp->type = of_pdt_get_one_property(node, "device_type");
dp->phandle = node;
dp->properties = of_pdt_build_prop_list(node);
irq_trans_init(dp);
return dp;
}
static struct device_node * __init prom_create_node(phandle node,
struct device_node *parent)
{
struct device_node *dp;
if (!node)
return NULL;
dp = prom_early_alloc(sizeof(*dp));
dp->unique_id = prom_unique_id++;
dp->parent = parent;
kref_init(&dp->kref);
dp->name = get_one_property(node, "name");
dp->type = get_one_property(node, "device_type");
dp->phandle = node;
dp->properties = build_prop_list(node);
irq_trans_init(dp);
return dp;
}
static void * __init kernel_tree_alloc(u64 size, u64 align)
{
return prom_early_alloc(size);
}
