| 408 | } |
| 409 | |
| 410 | rt_uint64_t rt_ofw_reverse_address(struct rt_ofw_node *np, const char *range_type, rt_uint64_t address) |
| 411 | { |
| 412 | rt_uint64_t bus_addr = address; |
| 413 | |
| 414 | if (!range_type) |
| 415 | { |
| 416 | range_type = "ranges"; |
| 417 | } |
| 418 | |
| 419 | rt_ofw_foreach_parent_node(np) |
| 420 | { |
| 421 | rt_ssize_t len; |
| 422 | struct rt_ofw_prop *prop; |
| 423 | struct bus_ranges *ranges = RT_NULL; |
| 424 | |
| 425 | prop = rt_ofw_get_prop(np, range_type, &len); |
| 426 | |
| 427 | if (!prop || !len) |
| 428 | { |
| 429 | continue; |
| 430 | } |
| 431 | |
| 432 | for (int i = 0; i < RT_ARRAY_SIZE(_bus_ranges); ++i) |
| 433 | { |
| 434 | if (!_bus_ranges[i]) |
| 435 | { |
| 436 | break; |
| 437 | } |
| 438 | |
| 439 | if (_bus_ranges[i]->np == np) |
| 440 | { |
| 441 | ranges = _bus_ranges[i]; |
| 442 | break; |
| 443 | } |
| 444 | } |
| 445 | |
| 446 | if (!ranges) |
| 447 | { |
| 448 | ranges = ofw_bus_ranges(np, prop); |
| 449 | } |
| 450 | |
| 451 | if (ranges) |
| 452 | { |
| 453 | for (int i = 0; i < ranges->nr; ++i) |
| 454 | { |
| 455 | rt_uint64_t parent_addr = ranges->parent_addr[i]; |
| 456 | rt_uint64_t child_size = ranges->child_size[i]; |
| 457 | |
| 458 | if (address >= parent_addr && address < parent_addr + child_size) |
| 459 | { |
| 460 | bus_addr = ranges->child_addr[i] + (address - parent_addr); |
| 461 | |
| 462 | break; |
| 463 | } |
| 464 | } |
| 465 | } |
| 466 | else |
| 467 | { |
no test coverage detected