qca8k require special debug value based on the switch revision. Signed-off-by: Ansuel Smith <ansuelsmth@xxxxxxxxx> --- drivers/net/dsa/qca8k.c | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c index 193c269d8ed3..12d2c97d1417 100644 --- a/drivers/net/dsa/qca8k.c +++ b/drivers/net/dsa/qca8k.c @@ -909,7 +909,7 @@ qca8k_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode, { const struct qca8k_match_data *data; struct qca8k_priv *priv = ds->priv; - u32 reg, val; + u32 phy, reg, val; /* get the switches ID from the compatible */ data = of_device_get_match_data(priv->dev); @@ -928,7 +928,26 @@ qca8k_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode, case 3: case 4: case 5: - /* Internal PHY, nothing to do */ + /* Internal PHY, apply revision fixup */ + phy = qca8k_port_to_phy(port) % PHY_MAX_ADDR; + switch (priv->switch_revision) { + case 1: + /* For 100M waveform */ + qca8k_phy_dbg_write(priv, phy, 0, 0x02ea); + /* Turn on Gigabit clock */ + qca8k_phy_dbg_write(priv, phy, 0x3d, 0x68a0); + break; + + case 2: + qca8k_phy_mmd_write(priv, phy, 0x7, 0x3c, 0x0); + fallthrough; + case 4: + qca8k_phy_mmd_write(priv, phy, 0x3, 0x800d, 0x803f); + qca8k_phy_dbg_write(priv, phy, 0x3d, 0x6860); + qca8k_phy_dbg_write(priv, phy, 0x5, 0x2c46); + qca8k_phy_dbg_write(priv, phy, 0x3c, 0x6000); + break; + } return; case 6: /* 2nd CPU port / external PHY */ if (state->interface != PHY_INTERFACE_MODE_RGMII && -- 2.30.2