generic: phy-mediatek-xfi-tphy: fix SGMII issue

Fix issue of transmitting abnormal data which leads to link problems
in 1G and 2.5G SerDes modes (SGMII, 1000Base-X, 2500Base-X) on the
MediaTek MT7988 SoC.

Link: b72d6cba92
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2024-03-25 21:58:49 +00:00
parent 71ccb35017
commit 79e9ce354e
2 changed files with 4 additions and 2 deletions

View File

@ -102,7 +102,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
phy-mtk-hdmi-drv-y += phy-mtk-hdmi-mt2701.o
--- /dev/null
+++ b/drivers/phy/mediatek/phy-mtk-xfi-tphy.c
@@ -0,0 +1,392 @@
@@ -0,0 +1,393 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* MediaTek 10GE SerDes PHY driver
+ *
@ -272,6 +272,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
+ XTP_PCS_PWD_ASYNC(2));
+
+ usleep_range(1, 5);
+ writel(XTP_LN_FRC_TX_DATA_EN, xfi_tphy->base + REG_DIG_LN_TRX_40);
+
+ /* Setup TX DA default value */
+ mtk_xfi_tphy_rmw(xfi_tphy, 0x30b0, 0x30, 0x20);

View File

@ -102,7 +102,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
phy-mtk-hdmi-drv-y += phy-mtk-hdmi-mt2701.o
--- /dev/null
+++ b/drivers/phy/mediatek/phy-mtk-xfi-tphy.c
@@ -0,0 +1,392 @@
@@ -0,0 +1,393 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* MediaTek 10GE SerDes PHY driver
+ *
@ -272,6 +272,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
+ XTP_PCS_PWD_ASYNC(2));
+
+ usleep_range(1, 5);
+ writel(XTP_LN_FRC_TX_DATA_EN, xfi_tphy->base + REG_DIG_LN_TRX_40);
+
+ /* Setup TX DA default value */
+ mtk_xfi_tphy_rmw(xfi_tphy, 0x30b0, 0x30, 0x20);