45 	u64		(*map)(__be32 *addr, const __be32 *range,
65 static u64 of_bus_default_map(__be32 *addr, const __be32 *range,  in of_bus_default_map()  argument
70 	cp = of_read_number(range, na);  in of_bus_default_map()
71 	s  = of_read_number(range + na + pna, ns);  in of_bus_default_map()
168 static u64 of_bus_pci_map(__be32 *addr, const __be32 *range, int na, int ns,  in of_bus_pci_map()  argument
175 	rf = of_bus_pci_get_flags(range);  in of_bus_pci_map()
182 	cp = of_read_number(range + 1, na - 1);  in of_bus_pci_map()
183 	s  = of_read_number(range + na + pna, ns);  in of_bus_pci_map()
201  * @range:	the PCI range that describes the resource
202  * @np:		device node where the range belongs to
204  *              reflect the values contained in the range.
206  * Returns -EINVAL if the range cannot be converted to resource.
208  * Note that if the range is an IO range, the resource will be converted
210  * if the range cannot be matched to any host bridge IO space (our case here).
211  * To guard against that we try to register the IO range first.
214 int of_pci_range_to_resource(struct of_pci_range *range,  in of_pci_range_to_resource()  argument
218 	res->flags = range->flags;  in of_pci_range_to_resource()
224 		err = pci_register_io_range(&np->fwnode, range->cpu_addr,  in of_pci_range_to_resource()
225 				range->size);  in of_pci_range_to_resource()
228 		port = pci_address_to_pio(range->cpu_addr);  in of_pci_range_to_resource()
236 		    upper_32_bits(range->cpu_addr)) {  in of_pci_range_to_resource()
241 		res->start = range->cpu_addr;  in of_pci_range_to_resource()
243 	res->end = res->start + range->size - 1;  in of_pci_range_to_resource()
255  * @np:		device node where the range belongs to
258  *              reflect the values contained in the range.
260  * Returns ENOENT if the entry is not found or EINVAL if the range cannot be
267 	struct of_range range;  in of_range_to_resource()  local
273 	for_each_of_range(&parser, &range)  in of_range_to_resource()
275 			return of_pci_range_to_resource(&range, np, res);  in of_range_to_resource()
299 static u64 of_bus_isa_map(__be32 *addr, const __be32 *range, int na, int ns,  in of_bus_isa_map()  argument
305 	if ((addr[0] ^ range[0]) & cpu_to_be32(1))  in of_bus_isa_map()
309 	cp = of_read_number(range + 1, na - 1);  in of_bus_isa_map()
310 	s  = of_read_number(range + na + pna, ns);  in of_bus_isa_map()
664  * @start: return value for the start of the DMA range
665  * @length: return value for the length of the DMA range
782 	parser->range = of_get_property(node, name, &rlen);  in parser_init()
783 	if (parser->range == NULL)  in parser_init()
786 	parser->end = parser->range + rlen / sizeof(__be32);  in parser_init()
807 						struct of_pci_range *range)  in of_pci_range_parser_one()  argument
814 	if (!range)  in of_pci_range_parser_one()
817 	if (!parser->range || parser->range + np > parser->end)  in of_pci_range_parser_one()
820 	range->flags = parser->bus->get_flags(parser->range);  in of_pci_range_parser_one()
826 	range->bus_addr = of_read_number(parser->range + busflag_na, na - busflag_na);  in of_pci_range_parser_one()
829 		range->cpu_addr = of_translate_dma_address(parser->node,  in of_pci_range_parser_one()
830 				parser->range + na);  in of_pci_range_parser_one()
832 		range->cpu_addr = of_translate_address(parser->node,  in of_pci_range_parser_one()
833 				parser->range + na);  in of_pci_range_parser_one()
834 	range->size = of_read_number(parser->range + parser->pna + na, ns);  in of_pci_range_parser_one()
836 	parser->range += np;  in of_pci_range_parser_one()
839 	while (parser->range + np <= parser->end) {  in of_pci_range_parser_one()
843 		flags = parser->bus->get_flags(parser->range);  in of_pci_range_parser_one()
844 		bus_addr = of_read_number(parser->range + busflag_na, na - busflag_na);  in of_pci_range_parser_one()
847 					parser->range + na);  in of_pci_range_parser_one()
850 					parser->range + na);  in of_pci_range_parser_one()
851 		size = of_read_number(parser->range + parser->pna + na, ns);  in of_pci_range_parser_one()
853 		if (flags != range->flags)  in of_pci_range_parser_one()
855 		if (bus_addr != range->bus_addr + range->size ||  in of_pci_range_parser_one()
856 		    cpu_addr != range->cpu_addr + range->size)  in of_pci_range_parser_one()
859 		range->size += size;  in of_pci_range_parser_one()
860 		parser->range += np;  in of_pci_range_parser_one()
863 	return range;  in of_pci_range_parser_one()
881 		/* memory-mapped I/O range */  in of_translate_ioport()
893  * of_dma_get_range - Get DMA range info and put it into a map array
894  * @np:		device node to get DMA range info
895  * @map:	dma range structure to return
914 	struct of_range range;  in of_dma_get_range()  local
943 	for_each_of_range(&parser, &range) {  in of_dma_get_range()
944 		if (range.cpu_addr == OF_BAD_ADDR) {  in of_dma_get_range()
946 			       range.bus_addr, node);  in of_dma_get_range()
969 	for_each_of_range(&parser, &range) {  in of_dma_get_range()
971 			 range.bus_addr, range.cpu_addr, range.size);  in of_dma_get_range()
972 		if (range.cpu_addr == OF_BAD_ADDR)  in of_dma_get_range()
974 		r->cpu_start = range.cpu_addr;  in of_dma_get_range()
975 		r->dma_start = range.bus_addr;  in of_dma_get_range()
976 		r->size = range.size;  in of_dma_get_range()
977 		r->offset = range.cpu_addr - range.bus_addr;  in of_dma_get_range()
1000 	struct of_range range;  in of_dma_get_max_cpu_address()  local
1011 		for_each_of_range(&parser, &range)  in of_dma_get_max_cpu_address()
1012 			if (range.cpu_addr + range.size > cpu_end)  in of_dma_get_max_cpu_address()
1013 				cpu_end = range.cpu_addr + range.size - 1;  in of_dma_get_max_cpu_address()
1133  * Returns -EINVAL if the range cannot be converted to resource.
1160  * @np:		the device whose io range will be mapped
1161  * @index:	index of the io range
1182  * @device:	the device whose io range will be mapped
1183  * @index:	index of the io range