103  * @fdt: pointer to the device tree blob
417 int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks)  in fdt_fixup_memory_banks()  argument
430 	err = fdt_check_header(blob);  in fdt_fixup_memory_banks()
437 	nodeoffset = fdt_find_or_add_subnode(blob, 0, "memory");  in fdt_fixup_memory_banks()
441 	err = fdt_setprop(blob, nodeoffset, "device_type", "memory",  in fdt_fixup_memory_banks()
465 	len = fdt_pack_reg(blob, tmp, start, size, banks);  in fdt_fixup_memory_banks()
467 	err = fdt_setprop(blob, nodeoffset, "reg", tmp, len);  in fdt_fixup_memory_banks()
477 int fdt_fixup_memory(void *blob, u64 start, u64 size)  in fdt_fixup_memory()  argument
479 	return fdt_fixup_memory_banks(blob, &start, &size, 1);  in fdt_fixup_memory()
560 int fdt_record_loadable(void *blob, u32 index, const char *name,  in fdt_record_loadable()  argument
566 	err = fdt_check_header(blob);  in fdt_record_loadable()
573 	node = fdt_find_or_add_subnode(blob, 0, "fit-images");  in fdt_record_loadable()
578 	node = fdt_find_or_add_subnode(blob, node, name);  in fdt_record_loadable()
587 	fdt_setprop_u32(blob, node, "load-addr", load_addr);  in fdt_record_loadable()
589 		fdt_setprop_u32(blob, node, "entry-point", entry_point);  in fdt_record_loadable()
590 	fdt_setprop_u32(blob, node, "size", size);  in fdt_record_loadable()
592 		fdt_setprop_string(blob, node, "type", type);  in fdt_record_loadable()
594 		fdt_setprop_string(blob, node, "os", os);  in fdt_record_loadable()
600 int fdt_shrink_to_minimum(void *blob, uint extrasize)  in fdt_shrink_to_minimum()  argument
607 	if (!blob)  in fdt_shrink_to_minimum()
610 	total = fdt_num_mem_rsv(blob);  in fdt_shrink_to_minimum()
612 		fdt_get_mem_rsv(blob, i, &addr, &size);  in fdt_shrink_to_minimum()
613 		if (addr == (uintptr_t)blob) {  in fdt_shrink_to_minimum()
614 			fdt_del_mem_rsv(blob, i);  in fdt_shrink_to_minimum()
625 	actualsize = fdt_off_dt_strings(blob) +  in fdt_shrink_to_minimum()
626 		fdt_size_dt_strings(blob) + 5 * sizeof(struct fdt_reserve_entry);  in fdt_shrink_to_minimum()
630 	actualsize = ALIGN(actualsize + ((uintptr_t)blob & 0xfff), 0x1000);  in fdt_shrink_to_minimum()
631 	actualsize = actualsize - ((uintptr_t)blob & 0xfff);  in fdt_shrink_to_minimum()
634 	fdt_set_totalsize(blob, actualsize);  in fdt_shrink_to_minimum()
637 	ret = fdt_add_mem_rsv(blob, map_to_sysmem(blob), actualsize);  in fdt_shrink_to_minimum()
652 int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose) {  in fdt_pci_dma_ranges()  argument
659 	addrcell = fdt_getprop_u32_default(blob, "/", "#address-cells", 1);  in fdt_pci_dma_ranges()
660 	sizecell = fdt_getprop_u32_default(blob, "/", "#size-cells", 1);  in fdt_pci_dma_ranges()
707 		fdt_setprop(blob, phb_off, "dma-ranges", &dma_ranges[0], len*4);  in fdt_pci_dma_ranges()
732 static int fdt_del_subnodes(const void *blob, int parent_offset)  in fdt_del_subnodes()  argument
737 	for (ndepth = 0, off = fdt_next_node(blob, parent_offset, &ndepth);  in fdt_del_subnodes()
739 	     off = fdt_next_node(blob, off, &ndepth)) {  in fdt_del_subnodes()
742 				fdt_get_name(blob, off, 0), off);  in fdt_del_subnodes()
743 			ret = fdt_del_node((void *)blob, off);  in fdt_del_subnodes()
757 static int fdt_del_partitions(void *blob, int parent_offset)  in fdt_del_partitions()  argument
764 	off = fdt_next_node(blob, parent_offset, &ndepth);  in fdt_del_partitions()
766 		prop = fdt_getprop(blob, off, "label", NULL);  in fdt_del_partitions()
772 			return fdt_del_partitions(blob, off);  in fdt_del_partitions()
774 			ret = fdt_del_subnodes(blob, parent_offset);  in fdt_del_partitions()
785 int fdt_node_set_part_info(void *blob, int parent_offset,  in fdt_node_set_part_info()  argument
795 	ret = fdt_del_partitions(blob, parent_offset);  in fdt_node_set_part_info()
803 	off = fdt_next_node(blob, parent_offset, &ndepth);  in fdt_node_set_part_info()
819 		ret = fdt_add_subnode(blob, parent_offset, buf);  in fdt_node_set_part_info()
821 			ret = fdt_increase_size(blob, 512);  in fdt_node_set_part_info()
836 			ret = fdt_setprop(blob, newoff, "read_only", NULL, 0);  in fdt_node_set_part_info()
838 				ret = fdt_increase_size(blob, 512);  in fdt_node_set_part_info()
850 		ret = fdt_setprop(blob, newoff, "reg", &cell, sizeof(cell));  in fdt_node_set_part_info()
852 			ret = fdt_increase_size(blob, 512);  in fdt_node_set_part_info()
861 		ret = fdt_setprop_string(blob, newoff, "label", part->name);  in fdt_node_set_part_info()
863 			ret = fdt_increase_size(blob, 512);  in fdt_node_set_part_info()
875 	printf("Can't increase blob size: %s\n", fdt_strerror(ret));  in fdt_node_set_part_info()
894  *	fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
896 void fdt_fixup_mtdparts(void *blob, const struct node_info *node_info,  in fdt_fixup_mtdparts()  argument
908 		noff = fdt_node_offset_by_compatible(blob, -1,  in fdt_fixup_mtdparts()
912 				fdt_get_name(blob, noff, 0),  in fdt_fixup_mtdparts()
916 				if (fdt_node_set_part_info(blob, noff, dev))  in fdt_fixup_mtdparts()
921 			noff = fdt_node_offset_by_compatible(blob, noff,  in fdt_fixup_mtdparts()
928 void fdt_del_node_and_alias(void *blob, const char *alias)  in fdt_del_node_and_alias()  argument
930 	int off = fdt_path_offset(blob, alias);  in fdt_del_node_and_alias()
935 	fdt_del_node(blob, off);  in fdt_del_node_and_alias()
937 	off = fdt_path_offset(blob, "/aliases");  in fdt_del_node_and_alias()
938 	fdt_delprop(blob, off, alias);  in fdt_del_node_and_alias()
966  *		parentoffset in the FDT blob corresponds to a bus
970  *		is at parentoffset in the FDT blob will require to
993 	int		(*match)(const void *blob, int parentoffset);
994 	void		(*count_cells)(const void *blob, int parentoffset,
1002 void fdt_support_default_count_cells(const void *blob, int parentoffset,  in fdt_support_default_count_cells()  argument
1008 		*addrc = fdt_address_cells(blob, parentoffset);  in fdt_support_default_count_cells()
1011 		prop = fdt_getprop(blob, parentoffset, "#size-cells", NULL);  in fdt_support_default_count_cells()
1050 static int of_bus_isa_match(const void *blob, int parentoffset)  in of_bus_isa_match()  argument
1054 	name = fdt_get_name(blob, parentoffset, NULL);  in of_bus_isa_match()
1061 static void of_bus_isa_count_cells(const void *blob, int parentoffset,  in of_bus_isa_count_cells()  argument
1120 static struct of_bus *of_match_bus(const void *blob, int parentoffset)  in of_match_bus()  argument
1128 		if (!bus->match || bus->match(blob, parentoffset))  in of_match_bus()
1142 static int of_translate_one(const void *blob, int parent, struct of_bus *bus,  in of_translate_one()  argument
1163 	ranges = fdt_getprop(blob, parent, rprop, &rlen);  in of_translate_one()
1205 static u64 __of_translate_address(const void *blob, int node_offset,  in __of_translate_address()  argument
1215 		fdt_get_name(blob, node_offset, NULL));  in __of_translate_address()
1218 	parent = fdt_parent_offset(blob, node_offset);  in __of_translate_address()
1221 	bus = of_match_bus(blob, parent);  in __of_translate_address()
1224 	bus->count_cells(blob, parent, &na, &ns);  in __of_translate_address()
1227 		       fdt_get_name(blob, node_offset, NULL));  in __of_translate_address()
1233 	    bus->name, na, ns, fdt_get_name(blob, parent, NULL));  in __of_translate_address()
1240 		parent = fdt_parent_offset(blob, node_offset);  in __of_translate_address()
1250 		pbus = of_match_bus(blob, parent);  in __of_translate_address()
1251 		pbus->count_cells(blob, parent, &pna, &pns);  in __of_translate_address()
1254 				fdt_get_name(blob, node_offset, NULL));  in __of_translate_address()
1259 		    pbus->name, pna, pns, fdt_get_name(blob, parent, NULL));  in __of_translate_address()
1262 		if (of_translate_one(blob, node_offset, bus, pbus,  in __of_translate_address()
1278 u64 fdt_translate_address(const void *blob, int node_offset,  in fdt_translate_address()  argument
1281 	return __of_translate_address(blob, node_offset, in_addr, "ranges");  in fdt_translate_address()
1288  * @blob: ptr to device tree
1293 int fdt_node_offset_by_compat_reg(void *blob, const char *compat,  in fdt_node_offset_by_compat_reg()  argument
1296 	int len, off = fdt_node_offset_by_compatible(blob, -1, compat);  in fdt_node_offset_by_compat_reg()
1298 		const fdt32_t *reg = fdt_getprop(blob, off, "reg", &len);  in fdt_node_offset_by_compat_reg()
1300 			if (compat_off == fdt_translate_address(blob, off, reg))  in fdt_node_offset_by_compat_reg()
1303 		off = fdt_node_offset_by_compatible(blob, off, compat);  in fdt_node_offset_by_compat_reg()
1312  * @blob: ptr to device tree
1314 int fdt_alloc_phandle(void *blob)  in fdt_alloc_phandle()  argument
1319 	for (offset = fdt_next_node(blob, -1, NULL); offset >= 0;  in fdt_alloc_phandle()
1320 	     offset = fdt_next_node(blob, offset, NULL)) {  in fdt_alloc_phandle()
1321 		phandle = max(phandle, fdt_get_phandle(blob, offset));  in fdt_alloc_phandle()
1453 int fdt_add_edid(void *blob, const char *compat, unsigned char *edid_buf)  in fdt_add_edid()  argument
1458 	noff = fdt_node_offset_by_compatible(blob, -1, compat);  in fdt_add_edid()
1460 		debug("%s: %s\n", fdt_get_name(blob, noff, 0), compat);  in fdt_add_edid()
1462 		ret = fdt_setprop(blob, noff, "edid", edid_buf, 128);  in fdt_add_edid()
1464 			ret = fdt_increase_size(blob, 512);  in fdt_add_edid()
1476 	printf("Can't increase blob size: %s\n", fdt_strerror(ret));  in fdt_add_edid()
1701 int fdt_fixup_display(void *blob, const char *path, const char *display)  in fdt_fixup_display()  argument
1708 	toff = fdt_path_offset(blob, path);  in fdt_fixup_display()
1710 		toff = fdt_subnode_offset(blob, toff, "display-timings");  in fdt_fixup_display()
1714 	for (off = fdt_first_subnode(blob, toff);  in fdt_fixup_display()
1716 	     off = fdt_next_subnode(blob, off)) {  in fdt_fixup_display()
1717 		uint32_t h = fdt_get_phandle(blob, off);  in fdt_fixup_display()
1718 		debug("%s:0x%x\n", fdt_get_name(blob, off, NULL),  in fdt_fixup_display()
1720 		if (strcasecmp(fdt_get_name(blob, off, NULL), display) == 0)  in fdt_fixup_display()
1721 			return fdt_setprop_u32(blob, toff, "native-mode", h);  in fdt_fixup_display()