Enable to break waiting loop at any time.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>

Do not set interface via configs. Read information from DT.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>

- Enable DM_ETH by default for Zynq and ZynqMP
- Remove board_eth_init code
- Change miiphy_read function to return value instead of error code
  based on DM requirement
- Do not enable EMIO DT support by default

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Sync it with write function.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>

This function was used for OF init before DM.
Remove this function as the part of move to DM.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jagan Teki <jteki@openedev.com>

Enable access to MDIO before zynq_gem_init is called.
It enables read information about phy earlier.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

Check return value.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>

Move phy init code out of zynq_gem_init. DM drivers are normally calling
this code from probe function.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

Resort code to use priv->phydev variable directly.
It will simplify move to DM.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>