Once the MDIO state machine has been initialized and enabled, it
starts polling all 32 PHY addresses on the MDIO bus, looking for
an active PHY. Add a 5 ms delay, so all PHYs are for sure detected.
This problem was detected on the cmc board with a KSZ8864 switch.
Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
davinci_eth_mdio_enable();
davinci_eth_mdio_enable();
+ /* let the EMAC detect the PHYs */
+ udelay(5000);
+
for (i = 0; i < 256; i++) {
if (readl(&adap_mdio->ALIVE))
break;
for (i = 0; i < 256; i++) {
if (readl(&adap_mdio->ALIVE))
break;