drivers/core/of_addr.c

21 #define OF_CHECK_ADDR_COUNT(na)	((na) > 0 && (na) <= OF_MAX_ADDR_CELLS)
22 #define OF_CHECK_COUNTS(na, ns)	(OF_CHECK_ADDR_COUNT(na) && (ns) > 0)
28 static void of_dump_addr(const char *s, const __be32 *addr, int na)
31 	while (na--)
36 static void of_dump_addr(const char *s, const __be32 *addr, int na) { }
46 	u64 (*map)(__be32 *addr, const __be32 *range, int na, int ns, int pna);
47 	int (*translate)(__be32 *addr, u64 offset, int na);
61 		int na, int ns, int pna)
65 	cp = of_read_number(range, na);
66 	s  = of_read_number(range + na + pna, ns);
67 	da = of_read_number(addr, na);
78 static int of_bus_default_translate(__be32 *addr, u64 offset, int na)
80 	u64 a = of_read_number(addr, na);
81 	memset(addr, 0, na * 4);
83 	if (na > 1)
84 		addr[na - 2] = cpu_to_be32(a >> 32);
85 	addr[na - 1] = cpu_to_be32(a & 0xffffffffu);
129 	int onesize, i, na, ns;
136 	bus->count_cells(dev, &na, &ns);
138 	if (!OF_CHECK_ADDR_COUNT(na))
147 	onesize = na + ns;
151 				*size = of_read_number(prop + na, ns);
167 			    __be32 *addr, int na, int ns, int pna,
201 		offset = of_read_number(addr, na);
211 	rone = na + pna + ns;
213 		offset = bus->map(addr, ranges, na, ns, pna);
221 	memcpy(addr, ranges + na, 4 * pna);
247 	int na, ns, pna, pns;
262 	bus->count_cells(dev, &na, &ns);
263 	if (!OF_CHECK_COUNTS(na, ns)) {
267 	memcpy(addr, in_addr, na * 4);
269 	debug("bus is %s (na=%d, ns=%d) on %s\n", bus->name, na, ns,
271 	of_dump_addr("translating address:", addr, na);
283 			result = of_read_number(addr, na);
296 		debug("parent bus is %s (na=%d, ns=%d) on %s\n", pbus->name,
300 		if (of_translate_one(dev, bus, pbus, addr, na, ns, pna, rprop))
304 		na = pna;
308 		of_dump_addr("one level translation:", addr, na);
333 	int na, ns, pna, pns;
378 	bus_node->count_cells(dev, &na, &ns);
379 	if (!OF_CHECK_COUNTS(na, ns)) {
393 	*bus = of_read_number(ranges, na);
394 	*cpu = of_translate_dma_address(dev, ranges + na);
395 	*size = of_read_number(ranges + na + pna, ns);