NXP SDK 2.0-1703 supports FRDM-LS1012A board. See the Chapter 4.4.6 of NXP SDK 2.0-1703 documentation:
http://www.nxp.com/docs/en/supporting-information/QORIQ-SDK-2.0-IC-REV0.pdf
This SDK supports Ethernet connection using Realtek RT8211DN Ethernet PHY under u-boot and under Linux.
Have a great day,
Pavel Chubakov
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