MA35D1 网卡不能使用

需要使用命令# ifconfig eth0 up启动网卡，默认开机不启用，参考下面的设置后可以使用网卡：

测试IoT板子，使用buildroot默认配置编译出来的image，eth0和eth1都能连上路由器。

# ifconfig eth0 up

[ 1136.488184] ma35d1-gmac 40120000.ethernet eth0: PHY [stmmac-0:01] driver [RTL8211F Gigabit Ethernet] (irq=POLL)

[ 1136.499852] ma35d1-gmac 40120000.ethernet eth0: No Safety Features support found

[ 1136.507300] ma35d1-gmac 40120000.ethernet eth0: No MAC Management Counters available

[ 1136.515005] ma35d1-gmac 40120000.ethernet eth0: IEEE 1588-2008 Advanced Timestamp supported

[ 1136.524571] ma35d1-gmac 40120000.ethernet eth0: configuring for phy/rgmii-id link mode

#

# [ 1138.587341] ma35d1-gmac 40120000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx

[ 1138.595941] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

# udhcpc -i eth0

udhcpc: started, v1.33.1

udhcpc: sending discover

udhcpc: sending select for 192.168.1.15

udhcpc: lease of 192.168.1.15 obtained, lease time 86400

deleting routers

adding dns 192.168.1.1

# [ 1157.017696] ma35d1-gmac 40120000.ethernet eth0: Link is Down

# ifconfig eth1 up

[ 1162.207216] ma35d1-gmac 40130000.ethernet eth1: PHY [stmmac-1:01] driver [RTL8201F Fast Ethernet] (irq=POLL)

[ 1162.228627] ma35d1-gmac 40130000.ethernet eth1: No Safety Features support found

[ 1162.236080] ma35d1-gmac 40130000.ethernet eth1: No MAC Management Counters available

[ 1162.243784] ma35d1-gmac 40130000.ethernet eth1: IEEE 1588-2008 Advanced Timestamp supported

[ 1162.253028] ma35d1-gmac 40130000.ethernet eth1: configuring for phy/rmii link mode

# udhcpc [ 1164.314960] ma35d1-gmac 40130000.ethernet eth1: Link is Up - 100Mbps/Full - flow control rx/tx

[ 1164.323569] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready

-i eth1

udhcpc: started, v1.33.1

udhcpc: sending discover

udhcpc: sending select for 192.168.1.16

udhcpc: lease of 192.168.1.16 obtained, lease time 86400

deleting routers

adding dns 192.168.1.1