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| -rw-r--r-- | doc/README.enetaddr | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/README.enetaddr b/doc/README.enetaddr index 1d75aa3876..94d800a02a 100644 --- a/doc/README.enetaddr +++ b/doc/README.enetaddr @@ -28,6 +28,17 @@ Here are the places where MAC addresses might be stored: purpose of passing this information to an OS kernel we are about to boot +Correct flow of setting up the MAC address (summarized): + +1. Read from hardware in initialize() function +2. Read from environment in net/eth.c after initialize() +3. Give priority to the value in the environment if a conflict +4. Program hardware in the device's init() function. + +If somebody wants to subvert the design philosophy, this can be done +in the board-specific board_eth_init() function by calling eth_init() +after all the NICs have been registered. + ------- Usage ------- |