diff options
Diffstat (limited to 'drivers/core/read.c')
| -rw-r--r-- | drivers/core/read.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/core/read.c b/drivers/core/read.c index 96766c7876..cdd78be03e 100644 --- a/drivers/core/read.c +++ b/drivers/core/read.c @@ -69,6 +69,26 @@ void *dev_remap_addr_index(struct udevice *dev, int index) return map_physmem(addr, 0, MAP_NOCACHE); } +fdt_addr_t dev_read_addr_name(struct udevice *dev, const char *name) +{ + int index = dev_read_stringlist_search(dev, "reg-names", name); + + if (index < 0) + return FDT_ADDR_T_NONE; + else + return dev_read_addr_index(dev, index); +} + +void *dev_remap_addr_name(struct udevice *dev, const char *name) +{ + fdt_addr_t addr = dev_read_addr_name(dev, name); + + if (addr == FDT_ADDR_T_NONE) + return NULL; + + return map_physmem(addr, 0, MAP_NOCACHE); +} + fdt_addr_t dev_read_addr(struct udevice *dev) { return dev_read_addr_index(dev, 0); |