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qualcommax: set USXGMII MAC autoneg bit on Aquantia PHY-s

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Now that we are not using SSDK anymore, we must set the USXGMII MAC autoneg
bit manually, as otherwise MAC autonegotiation does not work.

Link: https://github.com/openwrt/openwrt/pull/22381
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Robert Marko 2026-03-09 12:02:53 +01:00
parent b910cbfc0c
commit b6fac1dd4d
1 changed files with 36 additions and 0 deletions
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36
target/linux/qualcommax/patches-6.12/0760-net-phy-aquantia-enable-USXGMII-MAC-autoneg.patch Normal file
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@ -0,0 +1,36 @@
From 54280bff5b17407e8b23cdeafdc63f4d43ad1ee5 Mon Sep 17 00:00:00 2001
From: Robert Marko <robimarko@gmail.com>
Date: Thu, 27 Nov 2025 13:49:06 +0100
Subject: [PATCH] net: phy: aquantia: enable USXGMII MAC autoneg
USXGMII MAC autoneg control bit is always set disabled by default, in order
for USXGMII to work properly we must enable it.
Signed-off-by: Robert Marko <robimarko@gmail.com>
---
drivers/net/phy/aquantia/aquantia_main.c | 7 +++++++
1 file changed, 7 insertions(+)
--- a/drivers/net/phy/aquantia/aquantia_main.c
+++ b/drivers/net/phy/aquantia/aquantia_main.c
@@ -46,6 +46,9 @@
#define MDIO_PHYXS_VEND_IF_STATUS_TYPE_RXAUI 7
#define MDIO_PHYXS_VEND_IF_STATUS_TYPE_OCSGMII 10
+#define MDIO_PHYXS_VEND_PROV2 0xc441
+#define MDIO_PHYXS_VEND_PROV2_USX_AUTONEG_MAC BIT(3)
+
#define MDIO_AN_VEND_PROV 0xc400
#define MDIO_AN_VEND_PROV_1000BASET_FULL BIT(15)
#define MDIO_AN_VEND_PROV_1000BASET_HALF BIT(14)
@@ -440,6 +443,10 @@ static int aqr107_read_status(struct phy
break;
case MDIO_PHYXS_VEND_IF_STATUS_TYPE_USXGMII:
phydev->interface = PHY_INTERFACE_MODE_USXGMII;
+ phy_modify_mmd(phydev, MDIO_MMD_PHYXS,
+ MDIO_PHYXS_VEND_PROV2,
+ MDIO_PHYXS_VEND_PROV2_USX_AUTONEG_MAC,
+ MDIO_PHYXS_VEND_PROV2_USX_AUTONEG_MAC);
break;
case MDIO_PHYXS_VEND_IF_STATUS_TYPE_XAUI:
phydev->interface = PHY_INTERFACE_MODE_XAUI;