From: Andrew Lunn <andrew@lunn.ch>
To: "Michal Vokáč" <vokac.m@gmail.com>
Cc: netdev@vger.kernel.org,
Vivien Didelot <vivien.didelot@savoirfairelinux.com>,
Florian Fainelli <f.fainelli@gmail.com>
Subject: Re: i.MX6S/DL and QCA8334 switch using DSA driver - CPU port not working
Date: Thu, 10 May 2018 16:29:04 +0200 [thread overview]
Message-ID: <20180510142904.GB7698@lunn.ch> (raw)
In-Reply-To: <5e8ecfed-c772-5668-4bac-1549143f599a@gmail.com>
> So both the CPU and the switch are trying to talk to each other but their
> frames are not delivered. This still looks like RGMII configuration problem.
Yes, i would say it is.
> As it works with my old PHY driver I suspect the problem is at the switches
> side somewhere in qca8k_set_pad_ctrl or qca8k_setup in the qca8k driver.
>
> Any other ideas?
I would probably add code to dump all the qca8k registers. Compare the
values for your working setup and your non-working setup. Hopefully
they are not too different, and you can quickly get to the bits which
matter.
Andrew
next prev parent reply other threads:[~2018-05-10 14:29 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <037faf3c-8e8f-a696-8312-d1380c3b8656@gmail.com>
2018-04-26 13:37 ` i.MX6S/DL and QCA8334 switch using DSA driver - CPU port not working Michal Vokáč
2018-04-26 14:06 ` Andrew Lunn
2018-04-27 8:49 ` Michal Vokáč
2018-04-30 13:20 ` Andrew Lunn
2018-05-04 8:45 ` Michal Vokáč
2018-05-04 13:30 ` Andrew Lunn
2018-05-10 13:49 ` Michal Vokáč
2018-05-10 14:29 ` Andrew Lunn [this message]
2018-05-15 14:25 ` Michal Vokáč
2018-05-15 16:08 ` Andrew Lunn
2018-05-15 16:17 ` Florian Fainelli
2018-05-16 12:50 ` Michal Vokáč
2018-05-16 13:17 ` Andrew Lunn
2018-05-16 13:32 ` Michal Vokáč
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