| From ca49d3e4820704bfc3d2b48f59238d26a584602d Mon Sep 17 00:00:00 2001 |
| From: Alex Marginean <alexandru.marginean@nxp.com> |
| Date: Fri, 20 Sep 2019 19:37:19 +0300 |
| Subject: [PATCH] drivers: net: phy: aquantia: enable USX AN for USXGMII |
| protocol |
| |
| Depending on FW defaults USX AN in AQR PHY must be explicitly enabled when |
| using USXGMII. Enable it based on interface type. |
| |
| Signed-off-by: Alex Marginean <alexandru.marginean@nxp.com> |
| --- |
| drivers/net/phy/aquantia_main.c | 7 +++++++ |
| 1 file changed, 7 insertions(+) |
| |
| --- a/drivers/net/phy/aquantia_main.c |
| +++ b/drivers/net/phy/aquantia_main.c |
| @@ -33,6 +33,9 @@ |
| #define MDIO_PHYXS_VEND_IF_STATUS_TYPE_SGMII 6 |
| #define MDIO_PHYXS_VEND_IF_STATUS_TYPE_OCSGMII 10 |
| |
| +#define MDIO_PHYXS_VEND_PROV2 0xC441 |
| +#define MDIO_PHYXS_VEND_PROV2_USX_AN 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) |
| @@ -323,6 +326,10 @@ static int aqr_config_aneg_set_prot(stru |
| aquantia_syscfg[if_type].syscfg); |
| } |
| |
| + if (if_type == PHY_INTERFACE_MODE_USXGMII) |
| + phy_write_mmd(phydev, MDIO_MMD_PHYXS, MDIO_PHYXS_VEND_PROV2, |
| + MDIO_PHYXS_VEND_PROV2_USX_AN); |
| + |
| /* wake PHY back up */ |
| phy_write_mmd(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_GLOBAL_SC, 0); |
| mdelay(10); |