[PATCH v2] net: mtk_sgmii: implement mtk_pcs_ops

[Bjørn Mork]

Bjørn Mork <bjorn at mork.no> writes:

>> You have bmcr=0x1000, but the code sets two bits - SGMII_AN_RESTART and
>> SGMII_AN_ENABLE which are bits 9 and 12, so bmcr should be 0x1200, not
>> 0x1000. Any ideas why?
>
> No, not really

Doh! Looked over it again, and this was my fault of course.  Had an

  "bmcr = SGMII_AN_ENABLE;"
  
line overwriting the original value from a previous attempt without
changing the if condition.. Thanks for spotting that.

But this still doesn't work any better:

[   43.019395] mtk_soc_eth 15100000.ethernet wan: Link is Down
[   45.099898] mtk_sgmii_select_pcs: id=1
[   45.103653] mtk_pcs_config: interface=4
[   45.107473] offset:0 0x140
[   45.107476] offset:4 0x4d544950
[   45.110181] offset:8 0x20
[   45.113305] forcing AN
[   45.118256] mtk_pcs_config: rgc3=0x0, advertise=0x1 (changed), link_timer=1600000,  sgm_mode=0x103, bmcr=0x1200, use_an=1
[   45.129191] mtk_pcs_link_up: interface=4
[   45.133100] offset:0 0x81140
[   45.133102] offset:4 0x4d544950
[   45.135967] offset:8 0x1
[   45.139104] mtk_soc_eth 15100000.ethernet wan: Link is Up - 1Gbps/Full - flow control rx/tx



Bjørn