关于Can无法使用的问题

wuyiee

我现在在调试CAN，已结了TAJ1040CAN收发芯片，CAN口无法使用

启动时报
spi_imx 2008000.ecspi: probed
vcan: Virtual CAN interface driver
CAN device driver interface
sja1000 CAN netdevice driver
2090000.can supply xceiver not found, using dummy regulator
flexcan 2090000.can: device registered (reg_base=90940000, irq=142)
2094000.can supply xceiver not found, using dummy regulator
flexcan 2094000.can: device registered (reg_base=90948000, irq=143)

#dmesg | grep -i can
vcan: Virtual CAN interface driver
CAN device driver interface
sja1000 CAN netdevice driver
2090000.can supply xceiver not found, using dummy regulator
flexcan 2090000.can: gpr /soc/aips-bus@02000000/iomuxc-gpr@020e4000 req_gpr 0x10 req_bit 1 ack_gpr 0x10 ack_bit 17
flexcan 2090000.can: device registered (reg_base=90940000, irq=142)
2094000.can supply xceiver not found, using dummy regulator
flexcan 2094000.can: gpr /soc/aips-bus@02000000/iomuxc-gpr@020e4000 req_gpr 0x10 req_bit 2 ack_gpr 0x10 ack_bit 18
flexcan 2094000.can: device registered (reg_base=90948000, irq=143)
snvs_pwrkey 20cc000.snvs-pwrkey: can't get snvs clock
snvs-secvio 20cc000.caam-snvs: can't get snvs clock
can: controller area network core (rev 20120528 abi 9)
can: raw protocol (rev 20120528)
can: broadcast manager protocol (rev 20120528 t)
can: netlink gateway (rev 20130117) max_hops=1

按MY-IMX6-EK200测试方法
#ip link set can0 up type can bitrate 125000
报ip: either "dev" is duplicate, or "type" is garbage

#ifconfig -a
can0      Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
          NOARP  MTU:16  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:10
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:142

can1      Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
          NOARP  MTU:16  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:10
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:143

eth0      Link encap:Ethernet  HWaddr 8E:00:7F:3E:11:11
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lo        Link encapocal Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

sit0      Link encap:IPv6-in-IPv4
          NOARP  MTU:1480  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

wwan0     Link encap:Ethernet  HWaddr BA:CC:89:04:63:98
          BROADCAST NOARP MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

# ifconfig can0 up
flexcan 2090000.can can0: bit-timing not yet defined
ifconfig: SIOCSIFFLAGS: Invalid argument

请问可能哪里有问题？

wuyiee

已解决，文件系统问题