| Message ID | 5f07845b710e8464cd9509387f1fcdc6baeb5cb9.1675407169.git.daniel@makrotopia.org (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | net: ethernet: mtk_eth_soc: various enhancements | expand |
| Context | Check | Description |
|---|---|---|
| netdev/tree_selection | success | Guessing tree name failed - patch did not apply |
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index 724815ae18a0..d39717582a85 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -546,6 +546,10 @@ #define SGMII_SEND_AN_ERROR_EN BIT(11) #define SGMII_IF_MODE_MASK GENMASK(5, 1) +/* Register to reset SGMII design */ +#define SGMII_RESERVED_0 0x34 +#define SGMII_SW_RESET BIT(0) + /* Register to set SGMII speed, ANA RG_ Control Signals III*/ #define SGMSYS_ANA_RG_CS3 0x2028 #define RG_PHY_SPEED_MASK (BIT(2) | BIT(3)) diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c index 0fe403db23c9..f3cf66a23e72 100644 --- a/drivers/net/ethernet/mediatek/mtk_sgmii.c +++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c @@ -88,6 +88,10 @@ static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode, regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, SGMII_PHYA_PWD, SGMII_PHYA_PWD); + /* Reset SGMII PCS state */ + regmap_update_bits(mpcs->regmap, SGMII_RESERVED_0, + SGMII_SW_RESET, SGMII_SW_RESET); + if (mpcs->flags & MTK_SGMII_FLAG_PN_SWAP) regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_WRAP_CTRL, SGMII_PN_SWAP_MASK,
Reset PCS state when changing interface mode. Signed-off-by: Daniel Golle <daniel@makrotopia.org> --- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 4 ++++ drivers/net/ethernet/mediatek/mtk_sgmii.c | 4 ++++ 2 files changed, 8 insertions(+)