net: phy: aquantia: inform about proprietary 1000Base-T2 mode being in use
The AQCS109 supports a proprietary 2-pair 1Gbps mode. The standard
registers don't allow to tell between 1000BaseT and 1000BaseT2.
Add reporting this proprietary mode based on a vendor register.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/phy/aquantia_main.c b/drivers/net/phy/aquantia_main.c
index 9f20e9b..ae6a76d 100644
--- a/drivers/net/phy/aquantia_main.c
+++ b/drivers/net/phy/aquantia_main.c
@@ -78,6 +78,10 @@
#define VEND1_GLOBAL_RSVD_STAT1_FW_BUILD_ID GENMASK(7, 4)
#define VEND1_GLOBAL_RSVD_STAT1_PROV_ID GENMASK(3, 0)
+#define VEND1_GLOBAL_RSVD_STAT9 0xc88d
+#define VEND1_GLOBAL_RSVD_STAT9_MODE GENMASK(7, 0)
+#define VEND1_GLOBAL_RSVD_STAT9_1000BT2 0x23
+
#define VEND1_GLOBAL_INT_STD_STATUS 0xfc00
#define VEND1_GLOBAL_INT_VEND_STATUS 0xfc01
@@ -433,7 +437,7 @@
{
u8 fw_major, fw_minor;
bool downshift, short_reach, afr;
- int val;
+ int mode, val;
if (phydev->state != PHY_RUNNING || phydev->autoneg == AUTONEG_DISABLE)
return;
@@ -464,6 +468,14 @@
short_reach ? ", short reach mode" : "",
downshift ? ", fast-retrain downshift advertised" : "",
afr ? ", fast reframe advertised" : "");
+
+ val = phy_read_mmd(phydev, MDIO_MMD_VEND1, VEND1_GLOBAL_RSVD_STAT9);
+ if (val < 0)
+ return;
+
+ mode = FIELD_GET(VEND1_GLOBAL_RSVD_STAT9_MODE, val);
+ if (mode == VEND1_GLOBAL_RSVD_STAT9_1000BT2)
+ phydev_info(phydev, "Aquantia 1000Base-T2 mode active\n");
}
static struct phy_driver aqr_driver[] = {
