Our platform is TI J6,we use rgmii0 direct connect the RGMII on switch bcm89501.
I modify the cpsw driver to fixed phy mode,and the register "SL_MACCONTROL" be set to value 0xA1 ---/full duplex,1000M speed.
But the TX clock on J6'RGMII still output 2.5M.
If anyone can help me ??
Thanks !!