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From: Kumar Gala <galak@kernel.crashing.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 6/6] p1021mds: add QE and UEC support
Date: Tue, 1 Feb 2011 13:15:45 -0600	[thread overview]
Message-ID: <E9864516-6A8E-40DE-ABCA-06AE4690873C@kernel.crashing.org> (raw)
In-Reply-To: <1296579706.1995.60.camel@haiying-laptop>


On Feb 1, 2011, at 11:01 AM, Haiying Wang wrote:

> On Tue, 2011-02-01 at 10:50 -0600, Scott Wood wrote:
>>>> 
>>> If it is a one time setting, there should be no problem to put it into
>>> board code. But these pin settings need to be done before any usage of
>>> phy read/write (accessing MDIO/MDC), and need to be released after the
>>> usage of phy, thus the devices connected to eLBC like NAND flash/BCSR
>>> can be accessed. If we use board code to set/release the pin, we don't
>>> know when the phy access and nand flash access will happen.
>> 
>> Is this actually a board issue or an SoC issue?
>> 
> It is not a board issue. It is a SoC *feature*. Too many pins are muxed
> on P1021. For this case, LBCTL of eLBC is muxed with QE's CE_PB[20]
> which is used for MDIO signal. 
> 
> Haiying
> 

But its a board decision on how they want to utilize those pins and for what feature.

- k

  reply	other threads:[~2011-02-01 19:15 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-31 18:41 [U-Boot] [PATCH0/6] patchset to support TPL and P1021MDS board Haiying.Wang at freescale.com
2011-01-31 18:41 ` [U-Boot] [PATCH 1/6] Introduce the Tertiary Program loader Haiying.Wang at freescale.com
2011-01-31 18:41 ` [U-Boot] [PATCH 2/6] powerpc/85xx: add TPL support Haiying.Wang at freescale.com
2011-01-31 18:41 ` [U-Boot] [PATCH 3/6] P1021: add P1021MDS board support Haiying.Wang at freescale.com
2011-01-31 20:03   ` Wolfgang Denk
2011-01-31 20:08     ` Scott Wood
2011-01-31 20:18       ` Wolfgang Denk
2011-01-31 20:23         ` Scott Wood
2011-01-31 21:39     ` Haiying Wang
2011-01-31 22:05       ` Kumar Gala
2011-01-31 22:16         ` Wolfgang Denk
2011-01-31 22:14       ` Wolfgang Denk
2011-01-31 21:40     ` Kumar Gala
2011-01-31 18:41 ` [U-Boot] [PATCH 4/6] powerpc/p1021: add more P1021 defines Haiying.Wang at freescale.com
2011-01-31 20:07   ` Wolfgang Denk
2011-01-31 21:08   ` Kumar Gala
2011-01-31 23:36     ` Timur Tabi
2011-02-01  4:04       ` Kumar Gala
2011-01-31 18:41 ` [U-Boot] [PATCH 5/6] powerpc/85xx: do not initialize QE if QE's firmware is in nand flash Haiying.Wang at freescale.com
2011-01-31 20:08   ` Wolfgang Denk
2011-01-31 21:02     ` Haiying Wang
2011-01-31 21:37       ` Wolfgang Denk
2011-02-02  4:29         ` Kumar Gala
2011-01-31 18:41 ` [U-Boot] [PATCH 6/6] p1021mds: add QE and UEC support Haiying.Wang at freescale.com
2011-01-31 20:11   ` Wolfgang Denk
2011-01-31 20:50     ` Haiying Wang
2011-01-31 21:28       ` Kumar Gala
2011-02-01  3:14         ` Haiying Wang
2011-02-01 16:50           ` Scott Wood
2011-02-01 17:01             ` Haiying Wang
2011-02-01 19:15               ` Kumar Gala [this message]
2011-02-01 19:46                 ` Haiying Wang
2011-02-02  4:25                   ` Kumar Gala
2011-01-31 19:39 ` [U-Boot] [PATCH0/6] patchset to support TPL and P1021MDS board Wolfgang Denk
2011-01-31 20:13   ` Scott Wood
2011-01-31 20:22     ` Wolfgang Denk
2011-01-31 20:31       ` Scott Wood
2011-01-31 20:39         ` Kumar Gala
2011-01-31 20:50           ` Wolfgang Denk
2011-01-31 20:50         ` Wolfgang Denk
2011-01-31 21:15           ` Scott Wood
2011-01-31 21:34             ` Wolfgang Denk
2011-01-31 22:07               ` Scott Wood
2011-01-31 22:40                 ` Wolfgang Denk
2011-01-31 22:55                   ` Scott Wood
2011-02-01  5:26 ` Kumar Gala

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