From: Petko Manolov <petkan@nucleusys.com>
To: Thor Thayer <thor.thayer@linux.intel.com>
Cc: netdev@vger.kernel.org
Subject: Re: Altera TSE driver not working in 100mbps mode
Date: Tue, 3 Dec 2019 11:29:18 +0200 [thread overview]
Message-ID: <20191203092918.52x3dfuvnryr5kpx@carbon> (raw)
In-Reply-To: <20191127135419.7r53qw6vtp747x62@p310>
All right, the first message got ignored so this is my take two. :)
Has anyone stumbled on the same problem as me?
cheers,
Petko
On 19-11-27 15:54:19, Petko Manolov wrote:
> Hi Thor,
>
> In my effort to move Altera TSE driver from PHYLIB to PHYLINK i ran into a
> problem. The driver would not work properly on 100Mbit/s links. This is true
> for the original driver in linux-5.4.y as well as for my PHYLINK/SFP enabled
> version.
>
> This is a DT fragment of what i've been trying with 5.4.y kernels and the
> stock driver:
>
> tse_sub_2: ethernet@0xc0300000 {
> status = "disabled";
>
> compatible = "altr,tse-msgdma-1.0";
> reg = <0xc0300000 0x00000400>,
> <0xc0301000 0x00000020>,
> <0xc0302000 0x00000020>,
> <0xc0303000 0x00000008>,
> <0xc0304000 0x00000020>,
> <0xc0305000 0x00000020>;
> reg-names = "control_port", "rx_csr", "rx_desc", "rx_resp", "tx_csr", "tx_desc";
> interrupt-parent =< &intc >;
> interrupts = <0 54 4>, <0 55 4>;
> interrupt-names = "rx_irq", "tx_irq";
> rx-fifo-depth = <2048>;
> tx-fifo-depth = <2048>;
> address-bits = <48>;
> max-frame-size = <1500>;
> local-mac-address = [ 00 0C ED 00 00 06 ];
> altr,has-supplementary-unicast;
> altr,has-hash-multicast-filter;
> phy-handle = <0>;
> fixed-link {
> speed = <1000>;
> full-duplex;
> };
> };
>
> Trying "speed = <100>;" above also doesn't change much, except that the link is
> reported (as expected) as 100Mbps.
>
> With the PHYLINK code the above fragment is pretty much the same except for:
>
> sfp = <&sfp0>;
> phy-mode = "sgmii";
> managed = "in-band-status";
>
> Both (old and new) drivers are working fine on 1Gbps links with optics and
> copper SFPs. With PHYLINK code (and in auto-negotiation mode) the link speed
> and duplex is properly detected as 100Mbps. MAC and PCS also look correctly set
> up, but the device is still unable to receive or transmit packages.
>
>
> Please let me know should you need more details.
>
>
> thanks,
> Petko
>
next prev parent reply other threads:[~2019-12-03 9:29 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-27 13:54 Altera TSE driver not working in 100mbps mode Petko Manolov
2019-12-03 9:29 ` Petko Manolov [this message]
2020-09-16 21:32 ` David Bilsby
2020-09-17 6:42 ` Petko Manolov
[not found] ` <9f312748-1069-4a30-ba3f-d1de6d84e920@virgin.net>
2020-09-18 17:14 ` Petko Manolov
2020-09-30 20:43 ` David Bilsby
2020-09-30 23:59 ` Andrew Lunn
2020-10-01 6:42 ` Petko Manolov
2020-10-01 6:39 ` Petko Manolov
2020-10-01 8:29 ` David Laight
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20191203092918.52x3dfuvnryr5kpx@carbon \
--to=petkan@nucleusys.com \
--cc=netdev@vger.kernel.org \
--cc=thor.thayer@linux.intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).