From: Heiko Schocher <hs@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] 83xx, uec: adjust enet_interface settings on the fly.
Date: Fri, 08 Jan 2010 09:12:29 +0100 [thread overview]
Message-ID: <4B46E8ED.1040008@denx.de> (raw)
In-Reply-To: <D7CCA83BB0796C49BC0BB53B6AB120898BE324@zch01exm21.fsl.freescale.net>
Hello Liu,
Liu Dave-R63238 wrote:
>>> I don't remember why I added the eth_type==GIGA_ETH condition.
>>> If it is possible, please refactor it as Kim.
>> Hmm.. while looking at this code, a question comes in mind:
>> Did this code (eth_type==GIGA_ETH) work correctly?
>
> Yes, It worked correctly. But later there are lots of change,
> I'm not sure if it is correct right now.
>
>> I see there is a switching possible from 1000 to 100 or 10,
>> but never back to 1000, because the 1000 case did nothing ...?
>> Is this intentionally?
>
> The code was assuming the initial speed is 1000Mbps, so
> the 1000 case did nothing.
Hmm.. but what happend, if you connect a 100Mbps, and then
back to the 1000Mpbs?
>> Also uec->uec_info->enet_interface is never updated, which
>> should be done ... or?
>
> IIRC, the enet_interface was designed for interface type according
> to board design. So it was placed on uec_info, it is never updated.
> eg: SGMII if board is SGMII connection
> RGMII if board is RGMII connection...
> RMII if board is RMII....
Ah, OK, thanks.
bye
Heiko
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
next prev parent reply other threads:[~2010-01-08 8:12 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-07 8:01 [U-Boot] 83xx, uec: adjust enet_interface settings on the fly Heiko Schocher
2010-01-08 0:59 ` Kim Phillips
2010-01-08 3:11 ` Liu Dave-R63238
2010-01-08 7:37 ` Heiko Schocher
2010-01-08 7:52 ` Liu Dave-R63238
2010-01-08 8:12 ` Heiko Schocher [this message]
2010-01-08 8:14 ` Liu Dave-R63238
2010-01-19 6:49 ` Andy Fleming
2010-01-19 8:42 ` Heiko Schocher
2010-01-20 8:04 ` [U-Boot] 83xx, uec: split enet_interface in two variables, was: " Heiko Schocher
2010-02-01 5:25 ` Ben Warren
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