Re: [PATCH v3 0/8] arm64: rockchip: Initial GeekBox enablement

Giuseppe CAVALLARO
2016-03-10T09:14:09Z

On 3/9/2016 5:31 PM, Dinh Nguyen wrote:
> On Wed, Mar 9, 2016 at 8:53 AM, Giuseppe CAVALLARO
> <peppe.cavallaro@st.com> wrote:
>> Hi Tomeu, Dinh, Andreas
>>
>> I need a sum and help from you to go ahead on the
>> tx timeout.
>>
>> The "stmmac: MDIO fixes" seems to be the candidate to
>> fix the phy connection and I will send the V2 asap (Andreas' comment).
>>
>> So, supposing the probe is ok and phy is connected,
>> I need your input ...
>>
>> Tomeu: after revering the 0e80bdc9a72d (stmmac: first frame
>> prep at the end of xmit routine) the network is
>> not stable and there is a timeout after a while.
>> The box has 3.50 with normal desc settings.
>>
>> Dinh: the network is ok, I wonder if you can share a boot
>> log just to understand if the normal or enhanced
>> descriptors are used.
>>
>
> Here it is:
...
> [ 0.850523] stmmac - user ID: 0x10, Synopsys ID: 0x37
> [ 0.855570] Ring mode enabled
> [ 0.858611] DMA HW capability register supported
> [ 0.863128] Enhanced/Alternate descriptors
> [ 0.867482] Enabled extended descriptors
> [ 0.871482] RX Checksum Offload Engine supported (type 2)
> [ 0.876948] TX Checksum insertion supported
> [ 0.881204] Enable RX Mitigation via HW Watchdog Timer
> [ 0.886863] socfpga-dwmac ff702000.ethernet eth0: No MDIO subnode found
> [ 0.899090] libphy: stmmac: probed
> [ 0.902484] eth0: PHY ID 00221611 at 4 IRQ POLL (stmmac-0:04) active

Thx Dinh, so you are using the Enhanced/Alternate descriptors
I am debugging on my side on a setup with normal descriptors, I let you
know

peppe