phy: qcom: qmp-pcie: Update PCIe0 PHY settings for SM8550

Align PCIe0 PHY settings with SM8550 latest PCIe PHY Hardware Programming
Guide.
Signed-off-by: Qiang Yu <quic_qianyu@quicinc.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK
Link: https://lore.kernel.org/r/1703742157-69840-3-git-send-email-quic_qianyu@quicinc.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/phy/qualcomm/phy-qcom-qmp-pcie.c

@@ -1891,7 +1891,7 @@ static const struct qmp_phy_init_tbl sm8550_qmp_gen3x2_pcie_rx_tbl[] = {
 	QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_10_HIGH2, 0x5b),
 	QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_10_HIGH3, 0x1a),
 	QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_10_HIGH4, 0x89),
-	QMP_PHY_INIT_CFG(QSERDES_V6_RX_TX_ADAPT_POST_THRESH, 0xf0),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_TX_ADAPT_POST_THRESH, 0x00),
 	QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_FO_GAIN, 0x09),
 	QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SO_GAIN, 0x05),
 	QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SB2_THRESH1, 0x08),
@@ -1911,6 +1911,8 @@ static const struct qmp_phy_init_tbl sm8550_qmp_gen3x2_pcie_pcs_tbl[] = {
 };
 
 static const struct qmp_phy_init_tbl sm8550_qmp_gen3x2_pcie_pcs_misc_tbl[] = {
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_EQ_CONFIG1, 0x1e),
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_RXEQEVAL_TIME, 0x27),
 	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_POWER_STATE_CONFIG2, 0x1d),
 	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_POWER_STATE_CONFIG4, 0x07),
 	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_ENDPOINT_REFCLK_DRIVE, 0xc1),

drivers/phy/qualcomm/phy-qcom-qmp-pcs-pcie-v6.h

@@ -7,6 +7,8 @@
 #define QCOM_PHY_QMP_PCS_PCIE_V6_H_
 
 /* Only for QMP V6 PHY - PCIE have different offsets than V5 */
+#define QPHY_PCIE_V6_PCS_PCIE_EQ_CONFIG1		0xa4
+#define QPHY_PCIE_V6_PCS_PCIE_RXEQEVAL_TIME		0xf4
 #define QPHY_PCIE_V6_PCS_PCIE_POWER_STATE_CONFIG2	0x0c
 #define QPHY_PCIE_V6_PCS_PCIE_POWER_STATE_CONFIG4	0x14
 #define QPHY_PCIE_V6_PCS_PCIE_ENDPOINT_REFCLK_DRIVE	0x20