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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>
This commit is contained in:
Heiner Kallweit 2019-03-24 11:09:41 +01:00 committed by David S. Miller
parent 43429a0353
commit 2d64610934
1 changed files with 13 additions and 1 deletions
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14
drivers/net/phy/aquantia_main.c
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@ -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 @@ static void aqr107_link_change_notify(struct phy_device *phydev)
{
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 @@ static void aqr107_link_change_notify(struct phy_device *phydev)
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[] = {