Нашел подтверждение ваших слов в документе WP384 от Xilinx "Every Xilinx 7 series FPGA family supports the Integrated Root Port and Endpoint for PCI Express solution. Artix™-7 devices support up to Gen2x4 configurations. Kintex™-7 and Virtex-7 T devices support up to Gen2x8 configurations. The Virtex-7 XT and HT devices feature an integrated Gen 3 core, up to 8 lanes. In addition to the Integrated Block for PCI Express, third party Alliance partners Northwest Logic and PLDA provide Gen3x8 soft IP solutions that target both Kintex-7 and Virtex-7 families."
Будем посмотреть, спасибо! А чем плохо-хорошо софт-решение от Northwest Logic или PLDA?
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