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In order to enable cpsw on AM335x ICEv2 board, the following needs to be done: 1)There are few on board jumper settings which gives a choice between cpsw and PRUSS, that needs to be properly selected[1]. Even after selecting this, there are few GPIOs which control these muxes that needs to be held high. 2) The clock to PHY is provided by a PLL-based clock synthesizer[2] connected via I2C. This needs to properly programmed and locked for PHY operation. And PHY needs to be reset before before being used, which is also held by a GPIO. 3) RMII mode needs to be selected. [1] http://www.ti.com/lit/zip/tidr336 [2] http://www.ti.com/lit/ds/symlink/cdce913.pdf Reviewed-by: Tom Rini <trini@konsulko.com> Acked-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>