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am3354 with DP83848M problem

Eric Lam
Intellectual 350 points

Other Parts Discussed in Thread: DP83848M, AM3354

We're using AM3354 and DP83848M.  When the LAN cable is plugged into the RJ45 port, the DP83848M is able to tell am3354 about this status change.  However, the DHCP client doesn't work !  No IP address can be obtained from the DHCP server (just a simple WiFi router).  Even I set a static IP address to the ethernet port, ping never succeeds, either !

I tried googling around, but I can't find any Linux driver for DP83848M.  Can anyone provide any help ?

We're using Android 4.2.2, kernel 3.2.

  • 0
    TI__Guru**** 393215 points

    Moving this to the Android forum.

  • 0 in reply to Biser Gatchev-XID
    Intellectual 350 points

    Hi Biser,

    With the current symptom, since the presence of LAN cable can be detected by am3354, the RMII interface should be working correctly.  Am I correct ?

  • 0 in reply to Eric Lam
    Prodigy 100 points

    Hi Biser,

    We’re using MII interface, PHY address = 1.  Our device will be connecting to 10/100Mbps ethernet switching hub of some home router for internet access,

    Here are the registers dump from our DP83848M :

    1:phyreg[00] BMCR       : 3100

    1:phyreg[01] BMSR       : 786d

    1:phyreg[02] PHYIDR1    : 2000

    1:phyreg[03] PHYIDR2    : 5c90

    1:phyreg[04] ANAR       : 01e1

    1:phyreg[05] ANLPAR[NP] : cde1

    1:phyreg[06] ANER       : 000f

    1:phyreg[07] ANNPTR     : 2801

    1:phyreg[08] RESREVED   : 0000

    1:phyreg[09] RESREVED   : 0000

    1:phyreg[0a] RESREVED   : 0000

    1:phyreg[0b] RESREVED   : 0000

    1:phyreg[0c] RESREVED   : 0000

    1:phyreg[0d] RESREVED   : 0000

    1:phyreg[0e] RESREVED   : 0000

    1:phyreg[0f] RESREVED   : 0000

    1:phyreg[10] PHYSTS     : 0015

    1:phyreg[11] RESREVED   : 0000

    1:phyreg[12] RESREVED   : 2c00

    1:phyreg[13] RESREVED   : 0000

    1:phyreg[14] FCSCR      : 0000

    1:phyreg[15] RECR       : 0000

    1:phyreg[16] PCSR       : 0100

    1:phyreg[17] RBR        : 0001

    1:phyreg[18] LEDCR      : 0000

    1:phyreg[19] PHYCR      : 8001

    1:phyreg[1a] 10BTSCR    : 0804

    1:phyreg[1b] CDCTRL1    : 0000

    1:phyreg[1c] RESREVED   : 0000

    1:phyreg[1d] EDCR       : 6011

    1:phyreg[1e] RESREVED   : 083e

    1:phyreg[1f] RESREVED   : 0000

    Would you please help to check whether if there is any problems. thanks!