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-rw-r--r--drivers/net/pcs/pcs-xpcs.c29
-rw-r--r--drivers/net/pcs/pcs-xpcs.h2
2 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/pcs/pcs-xpcs.c b/drivers/net/pcs/pcs-xpcs.c
index 4dbc21f604..31f0beba63 100644
--- a/drivers/net/pcs/pcs-xpcs.c
+++ b/drivers/net/pcs/pcs-xpcs.c
@@ -1090,6 +1090,28 @@ static int xpcs_get_state_c37_1000basex(struct dw_xpcs *xpcs,
return 0;
}
+static int xpcs_get_state_2500basex(struct dw_xpcs *xpcs,
+ struct phylink_link_state *state)
+{
+ int ret;
+
+ ret = xpcs_read(xpcs, MDIO_MMD_VEND2, DW_VR_MII_MMD_STS);
+ if (ret < 0) {
+ state->link = 0;
+ return ret;
+ }
+
+ state->link = !!(ret & DW_VR_MII_MMD_STS_LINK_STS);
+ if (!state->link)
+ return 0;
+
+ state->speed = SPEED_2500;
+ state->pause |= MLO_PAUSE_TX | MLO_PAUSE_RX;
+ state->duplex = DUPLEX_FULL;
+
+ return 0;
+}
+
static void xpcs_get_state(struct phylink_pcs *pcs,
struct phylink_link_state *state)
{
@@ -1127,6 +1149,13 @@ static void xpcs_get_state(struct phylink_pcs *pcs,
ERR_PTR(ret));
}
break;
+ case DW_2500BASEX:
+ ret = xpcs_get_state_2500basex(xpcs, state);
+ if (ret) {
+ pr_err("xpcs_get_state_2500basex returned %pe\n",
+ ERR_PTR(ret));
+ }
+ break;
default:
return;
}
diff --git a/drivers/net/pcs/pcs-xpcs.h b/drivers/net/pcs/pcs-xpcs.h
index 39a90417e5..96c36b32ca 100644
--- a/drivers/net/pcs/pcs-xpcs.h
+++ b/drivers/net/pcs/pcs-xpcs.h
@@ -55,6 +55,8 @@
/* Clause 37 Defines */
/* VR MII MMD registers offsets */
#define DW_VR_MII_MMD_CTRL 0x0000
+#define DW_VR_MII_MMD_STS 0x0001
+#define DW_VR_MII_MMD_STS_LINK_STS BIT(2)
#define DW_VR_MII_DIG_CTRL1 0x8000
#define DW_VR_MII_AN_CTRL 0x8001
#define DW_VR_MII_AN_INTR_STS 0x8002