net: sun8i-emac: Add a flag for RMII support

Describe this feature instead of using the SoC ID.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>

diff --git a/drivers/net/sun8i_emac.c b/drivers/net/sun8i_emac.c
index 986e565..f232b8f 100644 (file)
--- a/drivers/net/sun8i_emac.c
+++ b/drivers/net/sun8i_emac.c
@@ -137,6 +137,7 @@ enum emac_variant_id {
 
 struct emac_variant {
        enum emac_variant_id    variant;
+       bool                    support_rmii;
 };
 
 struct emac_dma_desc {
@@ -337,9 +338,7 @@ static int sun8i_emac_set_syscon(struct sun8i_eth_pdata *pdata,
        reg = sun8i_emac_set_syscon_ephy(priv, reg);
 
        reg &= ~(SC_ETCS_MASK | SC_EPIT);
-       if (priv->variant->variant == H3_EMAC ||
-           priv->variant->variant == A64_EMAC ||
-           priv->variant->variant == H6_EMAC)
+       if (priv->variant->support_rmii)
                reg &= ~SC_RMII_EN;
 
        switch (priv->interface) {
@@ -353,13 +352,10 @@ static int sun8i_emac_set_syscon(struct sun8i_eth_pdata *pdata,
                reg |= SC_EPIT | SC_ETCS_INT_GMII;
                break;
        case PHY_INTERFACE_MODE_RMII:
-               if (priv->variant->variant == H3_EMAC ||
-                   priv->variant->variant == A64_EMAC ||
-                   priv->variant->variant == H6_EMAC) {
+               if (priv->variant->support_rmii) {
                        reg |= SC_RMII_EN | SC_ETCS_EXT_GMII;
-               break;
+                       break;
                }
-               /* RMII not supported on A83T */
        default:
                debug("%s: Invalid PHY interface\n", __func__);
                return -EINVAL;
@@ -910,6 +906,7 @@ static const struct emac_variant emac_variant_a83t = {
 
 static const struct emac_variant emac_variant_h3 = {
        .variant                = H3_EMAC,
+       .support_rmii           = true,
 };
 
 static const struct emac_variant emac_variant_r40 = {
@@ -918,10 +915,12 @@ static const struct emac_variant emac_variant_r40 = {
 
 static const struct emac_variant emac_variant_a64 = {
        .variant                = A64_EMAC,
+       .support_rmii           = true,
 };
 
 static const struct emac_variant emac_variant_h6 = {
        .variant                = H6_EMAC,
+       .support_rmii           = true,
 };
 
 static const struct udevice_id sun8i_emac_eth_ids[] = {