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Message-Id: <20231222-x1e80100-phy-pcie-v1-2-b74ac13390bf@linaro.org>
Date: Fri, 22 Dec 2023 12:40:54 +0200
From: Abel Vesa <abel.vesa@...aro.org>
To: Andy Gross <agross@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>, Vinod Koul <vkoul@...nel.org>,
Kishon Vijay Abraham I <kishon@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Abel Vesa <abel.vesa@...aro.org>
Subject: [PATCH 2/2] phy: qcom-qmp-pcie: Add support for X1E80100 g3x2 and
g4x2 PCIE
Add the X1E80100 G3 and G4 configurations.
Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
---
drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 173 +++++++++++++++++++++++++++++++
1 file changed, 173 insertions(+)
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
index 2af7115ef968..7a5cc4e80eda 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
@@ -982,6 +982,143 @@ static const struct qmp_phy_init_tbl sc8280xp_qmp_gen3x2_pcie_pcs_misc_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_OSC_DTCT_ACTIONS, 0x00),
};
+static const struct qmp_phy_init_tbl x1e80100_qmp_gen4x2_pcie_serdes_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE1, 0x26),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE1, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE1, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE1, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE1, 0x36),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_CORECLK_DIV_MODE1, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE1, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE1, 0x1a),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE1, 0x68),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START1_MODE1, 0xab),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START2_MODE1, 0xaa),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START3_MODE1, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_SEL_1, 0x12),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE0, 0xf8),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE0, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE0, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE0, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE0, 0x36),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CORE_CLK_DIV_MODE0, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE0, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE0, 0x0d),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE0, 0x41),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START1_MODE0, 0xab),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START2_MODE0, 0xaa),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START3_MODE0, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_HS_SWITCH_SEL_1, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_BG_TIMER, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_EN_CENTER, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_PER1, 0x62),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_PER2, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_POST_DIV_MUX, 0x40),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_BIAS_EN_CLK_BUFLR_EN, 0x14),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_CLK_ENABLE1, 0x90),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYS_CLK_CTRL, 0x82),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_IVCO, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYSCLK_EN_SEL, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP_EN, 0x46),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP_CFG, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE_MAP, 0x14),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_CLK_SELECT, 0x34),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_CORE_CLK_EN, 0xa0),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_CONFIG_1, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_MISC_1, 0x88),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_MODE, 0x14),
+ QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_VCO_DC_LEVEL_CTRL, 0x0f),
+};
+
+static const struct qmp_phy_init_tbl x1e80100_qmp_gen4x2_pcie_ln_shrd_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RXCLK_DIV2_CTRL, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_DFE_DAC_ENABLE1, 0x88),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_TX_ADAPT_POST_THRESH1, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_TX_ADAPT_POST_THRESH2, 0x1f),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B0, 0xd4),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B1, 0x12),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B2, 0xdb),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B3, 0x9a),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B4, 0x32),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B5, 0xb6),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B6, 0x64),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH1_RATE210, 0x1f),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH1_RATE3, 0x1f),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH2_RATE210, 0x1f),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH2_RATE3, 0x1f),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH3_RATE210, 0x1f),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH3_RATE3, 0x1f),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH4_RATE3, 0x1f),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH5_RATE3, 0x1f),
+ QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH6_RATE3, 0x1f),
+};
+
+static const struct qmp_phy_init_tbl x1e80100_qmp_gen4x2_pcie_tx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_RES_CODE_LANE_OFFSET_TX, 0x1d),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_RES_CODE_LANE_OFFSET_RX, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_LANE_MODE_1, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_LANE_MODE_2, 0x10),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_LANE_MODE_3, 0x51),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_TRAN_DRVR_EMP_EN, 0x34),
+};
+
+static const struct qmp_phy_init_tbl x1e80100_qmp_gen4x2_pcie_rx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_FO_GAIN_RATE_2, 0x0c),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_SO_GAIN_RATE_2, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_FO_GAIN_RATE_3, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_PI_CONTROLS, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_SO_ACC_DEFAULT_VAL_RATE3, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_IVCM_CAL_CTRL2, 0x80),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_IVCM_POSTCAL_OFFSET, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_BKUP_CTRL1, 0x15),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_DFE_1, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_DFE_2, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_DFE_3, 0x45),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_VGA_CAL_MAN_VAL, 0x0b),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_GM_CAL, 0x0d),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_EQU_ADAPTOR_CNTRL4, 0x0b),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_SIGDET_ENABLES, 0x1c),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_PHPRE_CTRL, 0x20),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_Q_PI_INTRINSIC_BIAS_RATE32, 0x39),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B0, 0x14),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B1, 0xb3),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B2, 0x58),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B3, 0x9a),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B4, 0x26),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B5, 0xb6),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B6, 0xee),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B0, 0xe4),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B1, 0xa4),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B2, 0x60),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B3, 0xdf),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B4, 0x4b),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B5, 0x76),
+ QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B6, 0xff),
+};
+
+static const struct qmp_phy_init_tbl x1e80100_qmp_gen4x2_pcie_pcs_tbl[] = {
+ QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_G3S2_PRE_GAIN, 0x2e),
+ QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_RX_SIGDET_LVL, 0xcc),
+ QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_EQ_CONFIG4, 0x00),
+ QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_EQ_CONFIG5, 0x22),
+};
+
+static const struct qmp_phy_init_tbl x1e80100_qmp_gen4x2_pcie_pcs_misc_tbl[] = {
+ QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_ENDPOINT_REFCLK_DRIVE, 0xc1),
+ QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_OSC_DTCT_ATCIONS, 0x00),
+ QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_EQ_CONFIG1, 0x16),
+ QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_EQ_CONFIG5, 0x02),
+ QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G4_PRE_GAIN, 0x2e),
+ QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_RX_MARGINING_CONFIG1, 0x03),
+ QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_RX_MARGINING_CONFIG3, 0x28),
+ QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_TX_RX_CONFIG, 0xc0),
+ QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_POWER_STATE_CONFIG2, 0x1d),
+ QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_RX_MARGINING_CONFIG5, 0x0f),
+ QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G3_FOM_EQ_CONFIG5, 0xf2),
+ QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G4_FOM_EQ_CONFIG5, 0xf2),
+};
+
static const struct qmp_phy_init_tbl sm8250_qmp_pcie_serdes_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x08),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_SELECT, 0x34),
@@ -3183,6 +3320,36 @@ static const struct qmp_phy_cfg sa8775p_qmp_gen4x4_pciephy_cfg = {
.phy_status = PHYSTATUS_4_20,
};
+static const struct qmp_phy_cfg x1e80100_qmp_gen4x2_pciephy_cfg = {
+ .lanes = 2,
+
+ .offsets = &qmp_pcie_offsets_v6_20,
+
+ .tbls = {
+ .serdes = x1e80100_qmp_gen4x2_pcie_serdes_tbl,
+ .serdes_num = ARRAY_SIZE(x1e80100_qmp_gen4x2_pcie_serdes_tbl),
+ .tx = x1e80100_qmp_gen4x2_pcie_tx_tbl,
+ .tx_num = ARRAY_SIZE(x1e80100_qmp_gen4x2_pcie_tx_tbl),
+ .rx = x1e80100_qmp_gen4x2_pcie_rx_tbl,
+ .rx_num = ARRAY_SIZE(x1e80100_qmp_gen4x2_pcie_rx_tbl),
+ .pcs = x1e80100_qmp_gen4x2_pcie_pcs_tbl,
+ .pcs_num = ARRAY_SIZE(x1e80100_qmp_gen4x2_pcie_pcs_tbl),
+ .pcs_misc = x1e80100_qmp_gen4x2_pcie_pcs_misc_tbl,
+ .pcs_misc_num = ARRAY_SIZE(x1e80100_qmp_gen4x2_pcie_pcs_misc_tbl),
+ .ln_shrd = x1e80100_qmp_gen4x2_pcie_ln_shrd_tbl,
+ .ln_shrd_num = ARRAY_SIZE(x1e80100_qmp_gen4x2_pcie_ln_shrd_tbl),
+ },
+ .reset_list = sdm845_pciephy_reset_l,
+ .num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l),
+ .vreg_list = sm8550_qmp_phy_vreg_l,
+ .num_vregs = ARRAY_SIZE(sm8550_qmp_phy_vreg_l),
+ .regs = pciephy_v5_regs_layout,
+
+ .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
+ .phy_status = PHYSTATUS_4_20,
+ .has_nocsr_reset = true,
+};
+
static void qmp_pcie_configure_lane(void __iomem *base,
const struct qmp_phy_init_tbl tbl[],
int num,
@@ -3885,6 +4052,12 @@ static const struct of_device_id qmp_pcie_of_match_table[] = {
}, {
.compatible = "qcom,sm8650-qmp-gen4x2-pcie-phy",
.data = &sm8650_qmp_gen4x2_pciephy_cfg,
+ }, {
+ .compatible = "qcom,x1e80100-qmp-gen3x2-pcie-phy",
+ .data = &sm8550_qmp_gen3x2_pciephy_cfg,
+ }, {
+ .compatible = "qcom,x1e80100-qmp-gen4x2-pcie-phy",
+ .data = &x1e80100_qmp_gen4x2_pciephy_cfg,
},
{ },
};
--
2.34.1
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