[U-Boot-Users] MPC8270/MPC8250 Ethernet Problem

[Michal Simek]

Hi,
I had similar problem on my development board.
Check storing address - I had bad store link address.
And dumping ethernet packets with tcpdump or ethereal.
Print it and check it with md command and compare with dumping packets.

Michal Simek
Czech Technical University


>I am having trouble getting Ethernet to work correctly on our Embedded 
>Planet
> EP82xxM board.  Specifically, pings and TFTP transfers fail when the board 
> is
> populated with an MPC8250 or an MPC8270.  However, when the board is 
> populated
> with an MPC8280 processor, Ethernet works.  Any suggestions of things to 
> try out
> to resolve this would be greatly appreciated.
>
> FCC2/3 port pins appear to be correctly configured.
> PHY registers are able to be accessed and seem to show the correct 
> configuration.
> No packets are appearing on the wire when sniffed with Ethereal.
> With ET_DEBUG turned on, pinging results in the following output:
>
> ep82xxm=> ping 10.0.0.26
> Using FCC3 ETHERNET device
> sending ARP for 0a00001a
> ARP broadcast 1
> packet received
> packet received
> Receive from protocol 0x0
> packet received
> packet received
> Receive from protocol 0x0
> .
> .
> .
> ARP broadcast 2
> packet received
> packet received
> Receive from protocol 0x0
> packet received
> packet received
> Receive from protocol 0x0
> .
> .
> .
> ping failed; host 10.0.0.26 is not alive
>
> MII info and dump result in the following output:
> ep82xxm=> mii info
> PHY 0x00: OUI = 0x04DE, Model = 0x0E, Rev = 0x02, 100baseT, FDX
> PHY 0x01: OUI = 0x04DE, Model = 0x0E, Rev = 0x02,  10baseT, HDX
>
> ep82xxm=> mii dump 0 0-5
> 0.     (3100)                 -- PHY control register --
>  (8000:0000) 0.15    =     0    reset
>  (4000:0000) 0.14    =     0    loopback
>  (2040:2000) 0. 6,13 =   b01    speed selection = 100 Mbps
>  (1000:1000) 0.12    =     1    A/N enable
>  (0800:0000) 0.11    =     0    power-down
>  (0400:0000) 0.10    =     0    isolate
>  (0200:0000) 0. 9    =     0    restart A/N
>  (0100:0100) 0. 8    =     1    duplex = full
>  (0080:0000) 0. 7    =     0    collision test enable
>  (003f:0000) 0. 5- 0 =     0    (reserved)
>
> 1.     (782d)                 -- PHY status register --
>  (8000:0000) 1.15    =     0    100BASE-T4 able
>  (4000:4000) 1.14    =     1    100BASE-X  full duplex able
>  (2000:2000) 1.13    =     1    100BASE-X  half duplex able
>  (1000:1000) 1.12    =     1    10 Mbps    full duplex able
>  (0800:0800) 1.11    =     1    10 Mbps    half duplex able
>  (0400:0000) 1.10    =     0    100BASE-T2 full duplex able
>  (0200:0000) 1. 9    =     0    100BASE-T2 half duplex able
>  (0100:0000) 1. 8    =     0    extended status
>  (0080:0000) 1. 7    =     0    (reserved)
>  (0040:0000) 1. 6    =     0    MF preamble suppression
>  (0020:0020) 1. 5    =     1    A/N complete
>  (0010:0000) 1. 4    =     0    remote fault
>  (0008:0008) 1. 3    =     1    A/N able
>  (0004:0004) 1. 2    =     1    link status
>  (0002:0000) 1. 1    =     0    jabber detect
>  (0001:0001) 1. 0    =     1    extended capabilities
>
> 2.     (0013)                 -- PHY ID 1 register --
>  (ffff:0013) 2.15- 0 =    19    OUI portion
>
> 3.     (78e2)                 -- PHY ID 2 register --
>  (fc00:7800) 3.15-10 =    30    OUI portion
>  (03f0:00e0) 3. 9- 4 =    14    manufacturer part number
>  (000f:0002) 3. 3- 0 =     2    manufacturer rev. number
>
> 4.     (01e1)                 -- Autonegotiation advertisement register --
>  (8000:0000) 4.15    =     0    next page able
>  (4000:0000) 4.14    =     0    reserved
>  (2000:0000) 4.13    =     0    remote fault
>  (1000:0000) 4.12    =     0    reserved
>  (0800:0000) 4.11    =     0    asymmetric pause
>  (0400:0000) 4.10    =     0    pause enable
>  (0200:0000) 4. 9    =     0    100BASE-T4 able
>  (0100:0100) 4. 8    =     1    100BASE-TX full duplex able
>  (0080:0080) 4. 7    =     1    100BASE-TX able
>  (0040:0040) 4. 6    =     1    10BASE-T   full duplex able
>  (0020:0020) 4. 5    =     1    10BASE-T   able
>  (001f:0001) 4. 4- 0 =     1    selector = IEEE 802.3
>
> 5.     (45e1)                 -- Autonegotiation partner abilities 
> register --
>  (8000:0000) 5.15    =     0    next page able
>  (4000:4000) 5.14    =     1    acknowledge
>  (2000:0000) 5.13    =     0    remote fault
>  (1000:0000) 5.12    =     0    (reserved)
>  (0800:0000) 5.11    =     0    asymmetric pause able
>  (0400:0400) 5.10    =     1    pause able
>  (0200:0000) 5. 9    =     0    100BASE-T4 able
>  (0100:0100) 5. 8    =     1    100BASE-X full duplex able
>  (0080:0080) 5. 7    =     1    100BASE-TX able
>  (0040:0040) 5. 6    =     1    10BASE-T full duplex able
>  (0020:0020) 5. 5    =     1    10BASE-T able
>  (001f:0001) 5. 4- 0 =     1    selector = IEEE 802.3
>
>
> My environment settings are as follows:
> ep82xxm=> printenv
> bootdelay=5
> baudrate=115200
> ethaddr=00:10:EC:00:88:66
> eth1addr=00:10:EC:80:88:66
> ipaddr=10.0.0.245
> serverip=10.0.0.26
> gatewayip=10.0.0.1
> netmask=255.255.255.0
> hostname=EP82xxM
> ethprime=FCC3 ETHERNET
> stdin=serial
> stdout=serial
> stderr=serial
> ethact=FCC3 ETHERNET
>
>
> Thanks for your help!