| 21 | } |
| 22 | |
| 23 | const uint32_t *dtb_node_get_address(const struct dtb_node *dev, int index, |
| 24 | uint64_t *size, unsigned int *flags) |
| 25 | { |
| 26 | const uint32_t *prop; |
| 27 | int psize; |
| 28 | struct dtb_node *parent; |
| 29 | int onesize, i, na, ns; |
| 30 | |
| 31 | /* Get parent */ |
| 32 | parent = dtb_node_get_parent(dev); |
| 33 | if (parent == NULL) |
| 34 | return NULL; |
| 35 | |
| 36 | dtb_node_default_count_cells(dev, &na, &ns); |
| 37 | if (!FDT_CHECK_ADDR_COUNT(na)) |
| 38 | return NULL; |
| 39 | |
| 40 | /* Get "reg" or "assigned-addresses" property */ |
| 41 | prop = dtb_node_get_dtb_node_property_value(dev, "reg", &psize); |
| 42 | if (prop == NULL) |
| 43 | return NULL; |
| 44 | psize /= 4; |
| 45 | |
| 46 | onesize = na + ns; |
| 47 | for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++) |
| 48 | if (i == index) |
| 49 | { |
| 50 | if (size) |
| 51 | *size = dtb_node_read_number(prop + na, ns); |
| 52 | if (flags) |
| 53 | *flags = 0x200; |
| 54 | return prop; |
| 55 | } |
| 56 | return NULL; |
| 57 | } |
no test coverage detected