From: Stefan Strobl <nst@gersys.de>
To: "tiejun.chen" <tiejun.chen@windriver.com>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: Problem Ethernet Initialization MPC5200 + LXT971A
Date: Mon, 08 Nov 2010 14:25:46 +0100 [thread overview]
Message-ID: <4CD7FA5A.6020709@gersys.de> (raw)
In-Reply-To: <4CD7C802.8020908@windriver.com>
Hi Tiejun
tiejun.chen wrote:
> Stefan Strobl wrote:
>> To workaround I could make u-boot run eth_init() always but that doesn't
>> seem the right approach to this.
>
> Yes. Often we shouldn't depend the bootloader do this when we use NIC. But its
> worth tracking eth_init in detail to check what are missed for Linux. I guest
> those should be dedicated to the hardware. For example, configuring
> multiplex-pin, or reset PHY before the real operation action and so on.
>
You're right! It was a wrong Port Multiplex Configuration.
I think it's fair to expect the bootloader to do that bit of setup,
since it's very hardware dependent. All I did was to adapt my
CONFIG_SYS_GPS_PORT_CONFIG in u-boot.
Many thanks
Stefan.
prev parent reply other threads:[~2010-11-08 13:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-05 16:32 Problem Ethernet Initialization MPC5200 + LXT971A Stefan Strobl
2010-11-08 9:50 ` tiejun.chen
2010-11-08 13:25 ` Stefan Strobl [this message]
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