/********************************************************************/
+/**
+ * fdt_find_and_setprop: Find a node and set it's property
+ *
+ * @fdt: ptr to device tree
+ * @node: path of node
+ * @prop: property name
+ * @val: ptr to new value
+ * @len: length of new property value
+ * @create: flag to create the property if it doesn't exist
+ *
+ * Convenience function to directly set a property given the path to the node.
+ */
+int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
+ const void *val, int len, int create)
+{
+ int nodeoff = fdt_path_offset(fdt, node);
+
+ if (nodeoff < 0)
+ return nodeoff;
+
+ if ((!create) && (fdt_get_property(fdt, nodeoff, prop, 0) == NULL))
+ return 0; /* create flag not set; so exit quietly */
+
+ return fdt_setprop(fdt, nodeoff, prop, val, len);
+}
+
int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force)
{
int nodeoffset;
}
if (initrd_start && initrd_end) {
- struct fdt_reserve_entry re;
- int used;
- int total;
+ uint64_t addr, size;
+ int total = fdt_num_mem_rsv(fdt);
int j;
- err = fdt_num_reservemap(fdt, &used, &total);
- if (err < 0) {
- printf("fdt_chosen: %s\n", fdt_strerror(err));
- return err;
- }
- if (used >= total) {
- printf("WARNING: "
- "no room in the reserved map (%d of %d)\n",
- used, total);
- return -1;
- }
/*
* Look for an existing entry and update it. If we don't find
* the entry, we will j be the next available slot.
*/
- for (j = 0; j < used; j++) {
- err = fdt_get_reservemap(fdt, j, &re);
- if (re.address == initrd_start) {
+ for (j = 0; j < total; j++) {
+ err = fdt_get_mem_rsv(fdt, j, &addr, &size);
+ if (addr == initrd_start) {
+ fdt_del_mem_rsv(fdt, j);
break;
}
}
- err = fdt_replace_reservemap_entry(fdt, j,
- initrd_start, initrd_end - initrd_start + 1);
+
+ err = fdt_add_mem_rsv(fdt, initrd_start, initrd_end - initrd_start + 1);
if (err < 0) {
printf("fdt_chosen: %s\n", fdt_strerror(err));
return err;
/*
* Find the "chosen" node.
*/
- nodeoffset = fdt_find_node_by_path (fdt, "/chosen");
+ nodeoffset = fdt_path_offset (fdt, "/chosen");
/*
* If we have a "chosen" node already the "force the writing"
* See if we already have a "u-boot-env" node, delete it if so.
* Then create a new empty node.
*/
- nodeoffset = fdt_find_node_by_path (fdt, "/u-boot-env");
+ nodeoffset = fdt_path_offset (fdt, "/u-boot-env");
if (nodeoffset >= 0) {
err = fdt_del_node(fdt, nodeoffset);
if (err < 0) {
* See if we already have a "bd_t" node, delete it if so.
* Then create a new empty node.
*/
- nodeoffset = fdt_find_node_by_path (fdt, "/bd_t");
+ nodeoffset = fdt_path_offset (fdt, "/bd_t");
if (nodeoffset >= 0) {
err = fdt_del_node(fdt, nodeoffset);
if (err < 0) {
}
#endif /* ifdef CONFIG_OF_HAS_BD_T */
+void do_fixup_by_path(void *fdt, const char *path, const char *prop,
+ const void *val, int len, int create)
+{
+#if defined(DEBUG)
+ int i;
+ debug("Updating property '%s/%s' = ", node, prop);
+ for (i = 0; i < len; i++)
+ debug(" %.2x", *(u8*)(val+i));
+ debug("\n");
+#endif
+ int rc = fdt_find_and_setprop(fdt, path, prop, val, len, create);
+ if (rc)
+ printf("Unable to update property %s:%s, err=%s\n",
+ path, prop, fdt_strerror(rc));
+}
+
+void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
+ u32 val, int create)
+{
+ val = cpu_to_fdt32(val);
+ do_fixup_by_path(fdt, path, prop, &val, sizeof(val), create);
+}
+
+void do_fixup_by_prop(void *fdt,
+ const char *pname, const void *pval, int plen,
+ const char *prop, const void *val, int len,
+ int create)
+{
+ int off;
+#if defined(DEBUG)
+ int i;
+ debug("Updating property '%s/%s' = ", node, prop);
+ for (i = 0; i < len; i++)
+ debug(" %.2x", *(u8*)(val+i));
+ debug("\n");
+#endif
+ off = fdt_node_offset_by_prop_value(fdt, -1, pname, pval, plen);
+ while (off != -FDT_ERR_NOTFOUND) {
+ if (create || (fdt_get_property(fdt, off, prop, 0) != NULL))
+ fdt_setprop(fdt, off, prop, val, len);
+ off = fdt_node_offset_by_prop_value(fdt, off, pname, pval, plen);
+ }
+}
+
+void do_fixup_by_prop_u32(void *fdt,
+ const char *pname, const void *pval, int plen,
+ const char *prop, u32 val, int create)
+{
+ val = cpu_to_fdt32(val);
+ do_fixup_by_prop(fdt, pname, pval, plen, prop, &val, 4, create);
+}
+
+void do_fixup_by_compat(void *fdt, const char *compat,
+ const char *prop, const void *val, int len, int create)
+{
+ int off = -1;
+#if defined(DEBUG)
+ int i;
+ debug("Updating property '%s/%s' = ", node, prop);
+ for (i = 0; i < len; i++)
+ debug(" %.2x", *(u8*)(val+i));
+ debug("\n");
+#endif
+ off = fdt_node_offset_by_compatible(fdt, -1, compat);
+ while (off != -FDT_ERR_NOTFOUND) {
+ if (create || (fdt_get_property(fdt, off, prop, 0) != NULL))
+ fdt_setprop(fdt, off, prop, val, len);
+ off = fdt_node_offset_by_compatible(fdt, off, compat);
+ }
+}
+
+void do_fixup_by_compat_u32(void *fdt, const char *compat,
+ const char *prop, u32 val, int create)
+{
+ val = cpu_to_fdt32(val);
+ do_fixup_by_compat(fdt, compat, prop, &val, 4, create);
+}
+
+void fdt_fixup_ethernet(void *fdt, bd_t *bd)
+{
+ int node;
+ const char *path;
+
+ node = fdt_path_offset(fdt, "/aliases");
+ if (node >= 0) {
+#if defined(CONFIG_HAS_ETH0)
+ path = fdt_getprop(fdt, node, "ethernet0", NULL);
+ if (path) {
+ do_fixup_by_path(fdt, path, "mac-address",
+ bd->bi_enetaddr, 6, 0);
+ do_fixup_by_path(fdt, path, "local-mac-address",
+ bd->bi_enetaddr, 6, 1);
+ }
+#endif
+#if defined(CONFIG_HAS_ETH1)
+ path = fdt_getprop(fdt, node, "ethernet1", NULL);
+ if (path) {
+ do_fixup_by_path(fdt, path, "mac-address",
+ bd->bi_enet1addr, 6, 0);
+ do_fixup_by_path(fdt, path, "local-mac-address",
+ bd->bi_enet1addr, 6, 1);
+ }
+#endif
+#if defined(CONFIG_HAS_ETH2)
+ path = fdt_getprop(fdt, node, "ethernet2", NULL);
+ if (path) {
+ do_fixup_by_path(fdt, path, "mac-address",
+ bd->bi_enet2addr, 6, 0);
+ do_fixup_by_path(fdt, path, "local-mac-address",
+ bd->bi_enet2addr, 6, 1);
+ }
+#endif
+#if defined(CONFIG_HAS_ETH3)
+ path = fdt_getprop(fdt, node, "ethernet3", NULL);
+ if (path) {
+ do_fixup_by_path(fdt, path, "mac-address",
+ bd->bi_enet3addr, 6, 0);
+ do_fixup_by_path(fdt, path, "local-mac-address",
+ bd->bi_enet3addr, 6, 1);
+ }
+#endif
+ }
+}
+
#endif /* CONFIG_OF_LIBFDT */
projects / platform / kernel / u-boot.git / blobdiff