From mboxrd@z Thu Jan  1 00:00:00 1970
From: York Sun <yorksun@freescale.com>
Date: Tue, 12 Aug 2014 11:45:24 -0700
Subject: [U-Boot] [PATCH 2/2] powerpc/t2080qds: fix dtb when runnig
 1000BASE-KX protocol
In-Reply-To: <1406286444-5341-1-git-send-email-shh.xie@gmail.com>
References: <1406286444-5341-1-git-send-email-shh.xie@gmail.com>
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On 07/25/2014 04:07 AM, shh.xie at gmail.com wrote:
> From: Shaohui Xie <Shaohui.Xie@freescale.com>
> 
> 1000BASE-KX(1GKX) uses same SGMII interface but the serdes lane run in
> 1GKX mode. By default, the lane runs in SGMII mode, when a MAC runs in
> 1GKX mode, the corresponding lane mode needs to be set accordingly.
> DTB needs the fixup for kernel to do proper initialization.
> 
> hwconfig "fsl_1gkx" is used to indicate a MAC runs in 1GKX mode, MAC
> 1/2/5/6/9/10 are available for 1GKX, MAC 3/4 run in RGMII mode. To set a
> MAC runs in 1GKX mode, set its' corresponding env in "fsl_1gkx",
> 'fm1_1g1' stands for MAC 1, 'fm1_1g2' stands for MAC 2, etc.
> 
> If all MAC 1/2/5/6/9/10 run in 1GKX mode, the hwconfig should has below
> setting:
> 
> fsl_1gkx:fm1_1g1,fm1_1g2,fm1_1g5,fm1_1g6,fm1_1g9,fm1_1g10
> 

Same suggestion here. I would like to see this useful information in a README
file. You can add more examples.

York