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内核启动阶段已经识别到PHY芯片TI DP83822,为何在加载文件系统中又报没有PHY芯片,并且网口不能通信

[ 1.107509] Console: switching to colour frame buffer device 30×30
[ 1.120121] tilcdc 4830e000.lcdc: fb0: DRM emulated frame buffer device
[ 1.127696] [drm] Initialized tilcdc 1.0.0 20121205 for 4830e000.lcdc on minor 0
[ 1.154454] brd: module loaded
[ 1.168652] loop: module loaded
[ 1.178181] libphy: Fixed MDIO Bus: probed
[ 1.252960] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6, bus freq 1000000
[ 1.260673] davinci_mdio 4a101000.mdio: detected phy mask fffffffd
[ 1.268230] libphy: 4a101000.mdio: probed
[ 1.272286] davinci_mdio 4a101000.mdio: phy[1]: device 4a101000.mdio:01, driver TI DP83822
[ 1.281855] cpsw 4a100000.ethernet: Detected MACID = b0:7e:11:3a:86:99
[ 1.288636] cpsw 4a100000.ethernet: initialized cpsw ale version 1.4
[ 1.295036] cpsw 4a100000.ethernet: ALE Table size 1024
[ 1.300340] cpsw 4a100000.ethernet: cpts: overflow check period 500 (jiffies)
[ 1.308842] cpsw 4a100000.ethernet: cpsw: Detected MACID = b0:7e:11:3a:86:9b
[ 1.320251] omap_rtc 44e3e000.rtc: registered as rtc0
[ 1.325808] i2c /dev entries driver
[ 1.331010] sdhci: Secure Digital Host Controller Interface driver
[ 1.337228] sdhci: Copyright(c) Pierre Ossman
[ 1.342719] omap_gpio 44e07000.gpio: Could not set line 6 debounce to 200000 microseconds (-22)
[ 1.351472] omap_hsmmc 48060000.mmc: Got CD GPIO
[ 1.357049] omap_hsmmc 48060000.mmc: Linked as a consumer to regulator.1
[ 1.390319] sdhci-pltfm: SDHCI platform and OF driver helper

……………………

[ OK ] Listening on D-Bus System Message Bus Socket.
[ OK ] Reached target Sockets.
[ OK ] Reached target Basic System.
[ OK ] Started Job spooling tools.
[ OK ] Started Redis In-Memory Data Store.
[ 19.803513] net eth1: initializing cpsw version 1.12 (0)
[ 19.874804] libphy: PHY 4a101000.mdio:9ffcbff8 not found
[ 19.973736] net eth1: phy "4a101000.mdio:9ffcbff8" not found on slave 1, err -19
[ 20.036673] IPv6: ADDRCONF(NETDEV_UP): eth1: link is not ready
Starting Lightning Fast Webserver With Light System Requirements…
Starting RPC Bind Service…
[ 20.485413] net eth0: initializing cpsw version 1.12 (0)
[ 20.550813] libphy: PHY 4a101000.mdio:9ffcbff8 not found
[ 20.620415] remoteproc remoteproc0: wkup_m3 is available
[ 20.683180] pwm-backlight backlight: backlight supply power not found, using dummy regulator
[ 20.683365] pwm-backlight backlight: Linked as a consumer to regulator.0
[ 20.683498] pwm-backlight backlight: Dropping the link to regulator.0
Starting Print notice about GPLv3 packages…
[ 21.134480] net eth0: phy "4a101000.mdio:9ffcbff8" not found on slave 0, err -19
Starting Simple Network Management Protocol (SNMP) Daemon….
[ 21.325108] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
Starting Login Service…
Starting Enable and configure wl18xx bluetooth stack…
Starting Avahi mDNS/DNS-SD Stack…
[ OK ] Started Daily Cleanup of Temporary Directories.
[ OK ] Reached target Timers.
[ OK ] Started D-Bus System Message Bus.
[ 22.203285] remoteproc remoteproc0: powering up wkup_m3
[ 22.252290] pwm-backlight backlight: backlight supply power not found, using dummy regulator
[ 22.252423] pwm-backlight backlight: Linked as a consumer to regulator.0
[ 22.252550] pwm-backlight backlight: Dropping the link to regulator.0
[ 22.262793] PM: Cannot get wkup_m3_ipc handle

Nancy Wang:

请参照以下链接进行测试并贴出结果:
processors.wiki.ti.com/…/5x_CPSW

yongqing wang:

在哪个平台上?

hongming li:

回复 yongqing wang:

AM3352ti-processor-sdk-linux-rt-am335x-evm-06.01.00.08-Linux-x86-Install.bin

hongming li:

回复 Nancy Wang:

root@am335x-evm:~# ifconfig
eth0Link encap:EthernetHWaddr 90:9A:77:55:A5:8Binet addr:192.168.1.5Bcast:192.168.1.255Mask:255.255.255.0UP BROADCAST MULTICASTMTU:1500Metric:1RX packets:0 errors:0 dropped:0 overruns:0 frame:0TX packets:0 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B)TX bytes:0 (0.0 B)Interrupt:50

eth1Link encap:EthernetHWaddr 90:9A:77:55:A5:8Dinet addr:192.168.1.6Bcast:192.168.1.255Mask:255.255.255.0UP BROADCAST MULTICASTMTU:1500Metric:1RX packets:0 errors:0 dropped:0 overruns:0 frame:0TX packets:0 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B)TX bytes:0 (0.0 B)

loLink encap:Local Loopbackinet addr:127.0.0.1Mask:255.0.0.0inet6 addr: ::1/128 Scope:HostUP LOOPBACK RUNNINGMTU:65536Metric:1RX packets:2 errors:0 dropped:0 overruns:0 frame:0TX packets:2 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:1000 RX bytes:140 (140.0 B)TX bytes:140 (140.0 B)

root@am335x-evm:~# ethtool eth0
Settings for eth0:Supports Wake-on: dWake-on: dCurrent message level: 0x00000000 (0)Link detected: no
root@am335x-evm:~# ethtool eth1
Settings for eth1:Supports Wake-on: dWake-on: dCurrent message level: 0x00000000 (0)Link detected: no
root@am335x-evm:~#

ethtool -S eth0
NIC statistics:Good Rx Frames: 0Broadcast Rx Frames: 0Multicast Rx Frames: 0Pause Rx Frames: 0Rx CRC Errors: 0Rx Align/Code Errors: 0Oversize Rx Frames: 0Rx Jabbers: 0Undersize (Short) Rx Frames: 0Rx Fragments: 0Rx Octets: 0Good Tx Frames: 0Broadcast Tx Frames: 0Multicast Tx Frames: 0Pause Tx Frames: 0Deferred Tx Frames: 0Collisions: 0Single Collision Tx Frames: 0Multiple Collision Tx Frames: 0Excessive Collisions: 0Late Collisions: 0Tx Underrun: 0Carrier Sense Errors: 0Tx Octets: 0Rx + Tx 64 Octet Frames: 0Rx + Tx 65-127 Octet Frames: 0Rx + Tx 128-255 Octet Frames: 0Rx + Tx 256-511 Octet Frames: 0Rx + Tx 512-1023 Octet Frames: 0Rx + Tx 1024-Up Octet Frames: 0Net Octets: 0Rx Start of Frame Overruns: 0Rx Middle of Frame Overruns: 0Rx DMA Overruns: 0Rx DMA chan 0: head_enqueue: 1Rx DMA chan 0: tail_enqueue: 127Rx DMA chan 0: pad_enqueue: 0Rx DMA chan 0: misqueued: 0Rx DMA chan 0: desc_alloc_fail: 0Rx DMA chan 0: pad_alloc_fail: 0Rx DMA chan 0: runt_receive_buf: 0Rx DMA chan 0: runt_transmit_bu: 0Rx DMA chan 0: empty_dequeue: 0Rx DMA chan 0: busy_dequeue: 0Rx DMA chan 0: good_dequeue: 0Rx DMA chan 0: requeue: 0Rx DMA chan 0: teardown_dequeue: 0Tx DMA chan 0: head_enqueue: 0Tx DMA chan 0: tail_enqueue: 0Tx DMA chan 0: pad_enqueue: 0Tx DMA chan 0: misqueued: 0Tx DMA chan 0: desc_alloc_fail: 0Tx DMA chan 0: pad_alloc_fail: 0Tx DMA chan 0: runt_receive_buf: 0Tx DMA chan 0: runt_transmit_bu: 0Tx DMA chan 0: empty_dequeue: 0Tx DMA chan 0: busy_dequeue: 0Tx DMA chan 0: good_dequeue: 0Tx DMA chan 0: requeue: 0Tx DMA chan 0: teardown_dequeue: 0
root@am335x-evm:~#

ethtool -S eth1
NIC statistics:Good Rx Frames: 0Broadcast Rx Frames: 0Multicast Rx Frames: 0Pause Rx Frames: 0Rx CRC Errors: 0Rx Align/Code Errors: 0Oversize Rx Frames: 0Rx Jabbers: 0Undersize (Short) Rx Frames: 0Rx Fragments: 0Rx Octets: 0Good Tx Frames: 0Broadcast Tx Frames: 0Multicast Tx Frames: 0Pause Tx Frames: 0Deferred Tx Frames: 0Collisions: 0Single Collision Tx Frames: 0Multiple Collision Tx Frames: 0Excessive Collisions: 0Late Collisions: 0Tx Underrun: 0Carrier Sense Errors: 0Tx Octets: 0Rx + Tx 64 Octet Frames: 0Rx + Tx 65-127 Octet Frames: 0Rx + Tx 128-255 Octet Frames: 0Rx + Tx 256-511 Octet Frames: 0Rx + Tx 512-1023 Octet Frames: 0Rx + Tx 1024-Up Octet Frames: 0Net Octets: 0Rx Start of Frame Overruns: 0Rx Middle of Frame Overruns: 0Rx DMA Overruns: 0Rx DMA chan 0: head_enqueue: 1Rx DMA chan 0: tail_enqueue: 127Rx DMA chan 0: pad_enqueue: 0Rx DMA chan 0: misqueued: 0Rx DMA chan 0: desc_alloc_fail: 0Rx DMA chan 0: pad_alloc_fail: 0Rx DMA chan 0: runt_receive_buf: 0Rx DMA chan 0: runt_transmit_bu: 0Rx DMA chan 0: empty_dequeue: 0Rx DMA chan 0: busy_dequeue: 0Rx DMA chan 0: good_dequeue: 0Rx DMA chan 0: requeue: 0Rx DMA chan 0: teardown_dequeue: 0Tx DMA chan 0: head_enqueue: 0Tx DMA chan 0: tail_enqueue: 0Tx DMA chan 0: pad_enqueue: 0Tx DMA chan 0: misqueued: 0Tx DMA chan 0: desc_alloc_fail: 0Tx DMA chan 0: pad_alloc_fail: 0Tx DMA chan 0: runt_receive_buf: 0Tx DMA chan 0: runt_transmit_bu: 0Tx DMA chan 0: empty_dequeue: 0Tx DMA chan 0: busy_dequeue: 0Tx DMA chan 0: good_dequeue: 0Tx DMA chan 0: requeue: 0Tx DMA chan 0: teardown_dequeue: 0
root@am335x-evm:~#

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