common: Fix-up MAC addr in dts by fetching env variable serially

[platform/kernel/u-boot.git] / README

diff --git a/README b/README
index 93c7ea9..53502c0 100644 (file)
--- a/README
+++ b/README
@@ -1603,6 +1603,15 @@ The following options need to be configured:
 
                See doc/README.link-local for more information.
 
+ - MAC address from environment variables
+
+               FDT_SEQ_MACADDR_FROM_ENV
+
+               Fix-up device tree with MAC addresses fetched sequentially from
+               environment variables. This config work on assumption that
+               non-usable ethernet node of device-tree are either not present
+               or their status has been marked as "disabled".
+
  - CDP Options:
                CONFIG_CDP_DEVICE_ID