Add SGMII to RGMII mode for yt8521s and yt8531s PHY.
Signed-off-by: Jiawen Wu <jiawe...@trustnetic.com>
---
doc/guides/rel_notes/release_22_07.rst | 1 +
drivers/net/ngbe/base/ngbe_phy_yt.c | 49 ++++++++++++++++++++++++++
2 files changed, 50 insertions(+)
diff --git a/doc/guides/rel_notes/release_22_07.rst
b/doc/guides/rel_notes/release_22_07.rst
index a84c5b486b..6baa63e3bf 100644
--- a/doc/guides/rel_notes/release_22_07.rst
+++ b/doc/guides/rel_notes/release_22_07.rst
@@ -168,6 +168,7 @@ New Features
* Added support for yt8531s PHY.
* Added support for OEM subsystem vendor ID.
* Added autoneg on/off for external PHY SFI mode.
+ * Added support for yt8521s/yt8531s PHY SGMII to RGMII mode.
* **Updated Wangxun txgbe driver.**
diff --git a/drivers/net/ngbe/base/ngbe_phy_yt.c
b/drivers/net/ngbe/base/ngbe_phy_yt.c
index bc1921e68a..562a0dede5 100644
--- a/drivers/net/ngbe/base/ngbe_phy_yt.c
+++ b/drivers/net/ngbe/base/ngbe_phy_yt.c
@@ -298,6 +298,55 @@ s32 ngbe_setup_phy_link_yt(struct ngbe_hw *hw, u32 speed,
value &= ~YT_SMI_PHY_SW_RST;
ngbe_write_phy_reg_ext_yt(hw, YT_CHIP, 0, value);
+ hw->phy.set_phy_power(hw, true);
+ } else if ((value & YT_CHIP_MODE_MASK) == YT_CHIP_MODE_SEL(5)) {
+ /* sgmii_to_rgmii */
+ if (!hw->mac.autoneg) {
+ switch (speed) {
+ case NGBE_LINK_SPEED_1GB_FULL:
+ value = YT_BCR_SPEED_SELECT1;
+ break;
+ case NGBE_LINK_SPEED_100M_FULL:
+ value = YT_BCR_SPEED_SELECT0;
+ break;
+ case NGBE_LINK_SPEED_10M_FULL:
+ value = 0;
+ break;
+ default:
+ value = YT_BCR_SPEED_SELECT0 |
+ YT_BCR_SPEED_SELECT1;
+ DEBUGOUT("unknown speed = 0x%x", speed);
+ break;
+ }
+ /* duplex full */
+ value |= YT_BCR_DUPLEX | YT_BCR_RESET;
+ hw->phy.write_reg(hw, YT_BCR, 0, value);
+
+ goto skip_an_sr;
+ }
+
+ value = 0;
+ if (speed & NGBE_LINK_SPEED_1GB_FULL) {
+ hw->phy.autoneg_advertised |= NGBE_LINK_SPEED_1GB_FULL;
+ value |= YT_BCR_SPEED_SELECT1;
+ }
+ if (speed & NGBE_LINK_SPEED_100M_FULL) {
+ hw->phy.autoneg_advertised |= NGBE_LINK_SPEED_100M_FULL;
+ value |= YT_BCR_SPEED_SELECT0;
+ }
+ if (speed & NGBE_LINK_SPEED_10M_FULL)
+ hw->phy.autoneg_advertised |= NGBE_LINK_SPEED_10M_FULL;
+
+ /* duplex full */
+ value |= YT_BCR_DUPLEX | YT_BCR_RESET;
+ hw->phy.write_reg(hw, YT_BCR, 0, value);
+
+ /* software reset to make the above configuration take effect */
+ hw->phy.read_reg(hw, YT_BCR, 0, &value);
+ value |= YT_BCR_RESET | YT_BCR_ANE | YT_BCR_RESTART_AN;
+ hw->phy.write_reg(hw, 0x0, 0, value);
+
+skip_an_sr:
hw->phy.set_phy_power(hw, true);
}
--
2.27.0
