We have two external ports and different MAC addresses on each port. So, assign different MAC to the LAN2. The address on LAN1 is the system default address.
Signed-off-by: Oleksij Rempel <[email protected]> --- arch/arm/boards/skov-imx6/board.c | 32 ++++++++++++++++++++++++++++++- 1 file changed, 31 insertions(+), 1 deletion(-) diff --git a/arch/arm/boards/skov-imx6/board.c b/arch/arm/boards/skov-imx6/board.c index 3f5645daff..19f91ab481 100644 --- a/arch/arm/boards/skov-imx6/board.c +++ b/arch/arm/boards/skov-imx6/board.c @@ -548,6 +548,33 @@ static void skov_init_board(const struct board_description *variant) } } +static int skov_set_switch_lan2_mac(struct skov_imx6_priv *priv) +{ + const char *state = "/state/ethaddr/eth2"; + struct device_node *lan2_np; + u8 ethaddr[ETH_ALEN]; + int ret; + + ret = get_mac_address_from_env_variable("state.ethaddr.eth2", ethaddr); + if (ret || !is_valid_ether_addr(ethaddr)) { + ret = get_default_mac_address_from_state_node(state, ethaddr); + if (ret || !is_valid_ether_addr(ethaddr)) { + dev_err(priv->dev, "can't get MAC for LAN2\n"); + return -ENODEV; + } + } + + lan2_np = of_find_node_by_path("/mdio/switch@0/ports/ports@1"); + if (!lan2_np) { + dev_err(priv->dev, "LAN2 node not found\n"); + return -ENODEV; + } + + of_eth_register_ethaddr(lan2_np, ethaddr); + + return 0; +} + static int skov_switch_test(void) { struct device_d *sw_dev; @@ -567,8 +594,11 @@ static int skov_switch_test(void) goto no_switch; } - if (dev_is_probed(sw_dev)) + if (dev_is_probed(sw_dev)) { + skov_set_switch_lan2_mac(skov_priv); + /* even if we fail, continue to boot as good as possible */ return 0; + } no_switch: skov_have_switch = false; -- 2.30.2
