Basically, the MAC address generation needs to use a board function in its decision algorithm so that there is no MAC mismatch between ROM and environment depending on the order of function calling.
See the first commit message for details.
Detlev Casanova (3): net: Add a CONFIG_NET_BOARD_ETHADDR rockchip: Add a board_gen_ethaddr() function net: eth-uclass: Add driver source possibility
arch/arm/Kconfig | 1 + arch/arm/include/asm/arch-rockchip/misc.h | 1 + arch/arm/mach-rockchip/board.c | 30 ++++++++++++++++++----- arch/arm/mach-rockchip/misc.c | 22 ++++++++++++----- net/Kconfig | 7 ++++++ net/eth-uclass.c | 25 ++++++++++++++++--- 6 files changed, 70 insertions(+), 16 deletions(-)