[U-Boot] [PATCH] powerpc/sgmii: To support PHY link state auto detect in SGMII mode

Jia Hongtao-B38951 B38951 at freescale.com
Thu Jul 12 12:27:37 CEST 2012


Note that this patch works with new dts.
Please refer to:
http://patchwork.ozlabs.org/patch/170617/

-Hongtao.

> -----Original Message-----
> From: Jia Hongtao-B38951
> Sent: Thursday, July 12, 2012 5:40 PM
> To: u-boot at lists.denx.de
> Cc: afleming at gmail.com; sun york-R58495; Li Yang-R58472; Jia Hongtao-
> B38951
> Subject: [PATCH] powerpc/sgmii: To support PHY link state auto detect in
> SGMII mode
> 
> PHYs on SGMII riser card are used in SGMII mode with different external
> IRQs from eTSEC. This means in SGMII mode phy-handle and phy-connection-
> type
> under ethernet node should be updated. Otherwise the PHY interrupt can
> not
> be handled therefor PHY link state change can not be auto detected.
> 
> For we have seperate SGMII PHY nodes, ethernet PHY reg fixup is not
> needed
> but it's still be kept to guarantee the sgmii mode could work with old
> device tree.
> 
> Signed-off-by: Li Yang <leoli at freescale.com>
> Signed-off-by: Jia Hongtao <B38951 at freescale.com>
> ---
>  board/freescale/common/sgmii_riser.c |   57
> +++++++++++++++++++++++++++++-----
>  1 files changed, 49 insertions(+), 8 deletions(-)
> 




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