[PATCH v3 6/7] phy: qcom-qmp-pcie: add support for ipq9574 gen3x2 PHY

Alexandru Gagniuc
2024-04-15T18:21:25Z

Add support for the gen3x2 PCIe PHY on IPQ9574, ported form downstream
5.4 kernel. Only the serdes and pcs_misc tables are new, the others
being reused from IPQ8074 and IPQ6018 PHYs.

Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
---
drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 136 +++++++++++++++++-
.../phy/qualcomm/phy-qcom-qmp-pcs-pcie-v5.h | 14 ++
2 files changed, 149 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
index 8836bb1ff0cc..a4a79ddf50a5 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
@@ -487,6 +487,100 @@ static const struct qmp_phy_init_tbl ipq8074_pcie_gen3_pcs_misc_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_ENDPOINT_REFCLK_DRIVE, 0xc1),
};

+static const struct qmp_phy_init_tbl ipq9574_gen3x2_pcie_serdes_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_PLL_BIAS_EN_CLKBUFLR_EN, 0x18),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_BIAS_EN_CTRL_BY_PSM, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CLK_SELECT, 0x31),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_PLL_IVCO, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_BG_TRIM, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CMN_CONFIG, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_LOCK_CMP_EN, 0x42),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_RESETSM_CNTRL, 0x20),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SVS_MODE_CLK_SEL, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_VCO_TUNE_MAP, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SVS_MODE_CLK_SEL, 0x05),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_VCO_TUNE_TIMER1, 0xff),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_VCO_TUNE_TIMER2, 0x3f),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CORE_CLK_EN, 0x30),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_HSCLK_SEL, 0x21),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_DEC_START_MODE0, 0x68),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_DIV_FRAC_START3_MODE0, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_DIV_FRAC_START2_MODE0, 0xaa),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_DIV_FRAC_START1_MODE0, 0xab),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_LOCK_CMP2_MODE0, 0x14),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_LOCK_CMP1_MODE0, 0xd4),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CP_CTRL_MODE0, 0x09),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_PLL_RCTRL_MODE0, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_PLL_CCTRL_MODE0, 0x28),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_INTEGLOOP_GAIN1_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_INTEGLOOP_GAIN0_MODE0, 0xa0),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_VCO_TUNE2_MODE0, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_VCO_TUNE1_MODE0, 0x24),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SVS_MODE_CLK_SEL, 0x05),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CORE_CLK_EN, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CORECLK_DIV, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CLK_SELECT, 0x32),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SYS_CLK_CTRL, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SYSCLK_BUF_ENABLE, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SYSCLK_EN_SEL, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_BG_TIMER, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_HSCLK_SEL, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_DEC_START_MODE1, 0x53),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_DIV_FRAC_START3_MODE1, 0x05),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_DIV_FRAC_START2_MODE1, 0x55),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_DIV_FRAC_START1_MODE1, 0x55),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_LOCK_CMP2_MODE1, 0x29),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_LOCK_CMP1_MODE1, 0xaa),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CP_CTRL_MODE1, 0x09),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_PLL_RCTRL_MODE1, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_PLL_CCTRL_MODE1, 0x28),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_INTEGLOOP_GAIN1_MODE1, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_INTEGLOOP_GAIN0_MODE1, 0xa0),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_VCO_TUNE2_MODE1, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_VCO_TUNE1_MODE1, 0xb4),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SVS_MODE_CLK_SEL, 0x05),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CORE_CLK_EN, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CORECLK_DIV_MODE1, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_COM_SSC_EN_CENTER, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SSC_PER1, 0x7d),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SSC_PER2, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER1, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER2, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SSC_STEP_SIZE1_MODE0, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SSC_STEP_SIZE2_MODE0, 0x05),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SSC_STEP_SIZE1_MODE1, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SSC_STEP_SIZE2_MODE1, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CLK_EP_DIV_MODE0, 0x19),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CLK_EP_DIV_MODE1, 0x28),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CLK_ENABLE1, 0x90),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_HSCLK_SEL, 0x89),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CLK_ENABLE1, 0x10),
+};
+
+static const struct qmp_phy_init_tbl ipq9574_gen3x2_pcie_pcs_misc_tbl[] = {
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_OSC_DTCT_ACTIONS, 0x00),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_POWER_STATE_CONFIG2, 0x1d),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_L1P1_WAKEUP_DLY_TIME_AUXCLK_H, 0x00),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_L1P1_WAKEUP_DLY_TIME_AUXCLK_L, 0x01),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_L1P2_WAKEUP_DLY_TIME_AUXCLK_H, 0x00),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_L1P2_WAKEUP_DLY_TIME_AUXCLK_L, 0x01),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_EQ_CONFIG1, 0x14),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_EQ_CONFIG1, 0x10),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_EQ_CONFIG2, 0x0b),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_PRESET_P10_PRE, 0x00),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_PRESET_P10_POST, 0x58),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_POWER_STATE_CONFIG4, 0x07),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_OSC_DTCT_CONFIG1, 0x00),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_OSC_DTCT_CONFIG2, 0x52),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_OSC_DTCT_CONFIG4, 0x19),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_INT_AUX_CLK_CONFIG1, 0x00),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_OSC_DTCT_MODE2_CONFIG2, 0x49),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_OSC_DTCT_MODE2_CONFIG4, 0x2a),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_OSC_DTCT_MODE2_CONFIG5, 0x02),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_OSC_DTCT_MODE2_CONFIG6, 0x03),
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_ENDPOINT_REFCLK_DRIVE, 0xc1),
+};
+
static const struct qmp_phy_init_tbl sdm845_qmp_pcie_serdes_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30),
@@ -2448,7 +2542,7 @@ static inline void qphy_clrbits(void __iomem *base, u32 offset, u32 val)

/* list of clocks required by phy */
static const char * const qmp_pciephy_clk_l[] = {
- "aux", "cfg_ahb", "ref", "refgen", "rchng", "phy_aux",
+ "aux", "cfg_ahb", "ref", "refgen", "rchng", "phy_aux", "anoc", "snoc"
};

/* list of regulators */
@@ -2499,6 +2593,16 @@ static const struct qmp_pcie_offsets qmp_pcie_offsets_v4x1 = {
.rx = 0x0400,
};

+static const struct qmp_pcie_offsets qmp_pcie_offsets_ipq9574 = {
+ .serdes = 0,
+ .pcs = 0x1000,
+ .pcs_misc = 0x1400,
+ .tx = 0x0200,
+ .rx = 0x0400,
+ .tx2 = 0x0600,
+ .rx2 = 0x0800,
+};
+
static const struct qmp_pcie_offsets qmp_pcie_offsets_v4x2 = {
.serdes = 0,
.pcs = 0x0a00,
@@ -2728,6 +2832,33 @@ static const struct qmp_phy_cfg sm8250_qmp_gen3x1_pciephy_cfg = {
.phy_status = PHYSTATUS,
};

+static const struct qmp_phy_cfg ipq9574_pciephy_gen3x2_cfg = {
+ .lanes = 2,
+
+ .offsets = &qmp_pcie_offsets_ipq9574,
+
+ .tbls = {
+ .serdes = ipq9574_gen3x2_pcie_serdes_tbl,
+ .serdes_num = ARRAY_SIZE(ipq9574_gen3x2_pcie_serdes_tbl),
+ .tx = ipq8074_pcie_gen3_tx_tbl,
+ .tx_num = ARRAY_SIZE(ipq8074_pcie_gen3_tx_tbl),
+ .rx = ipq6018_pcie_rx_tbl,
+ .rx_num = ARRAY_SIZE(ipq6018_pcie_rx_tbl),
+ .pcs = ipq6018_pcie_pcs_tbl,
+ .pcs_num = ARRAY_SIZE(ipq6018_pcie_pcs_tbl),
+ .pcs_misc = ipq9574_gen3x2_pcie_pcs_misc_tbl,
+ .pcs_misc_num = ARRAY_SIZE(ipq9574_gen3x2_pcie_pcs_misc_tbl),
+ },
+ .reset_list = ipq8074_pciephy_reset_l,
+ .num_resets = ARRAY_SIZE(ipq8074_pciephy_reset_l),
+ .vreg_list = NULL,
+ .num_vregs = 0,
+ .regs = pciephy_v4_regs_layout,
+
+ .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
+ .phy_status = PHYSTATUS,
+};
+
static const struct qmp_phy_cfg sm8250_qmp_gen3x2_pciephy_cfg = {
.lanes = 2,

@@ -3935,6 +4066,9 @@ static const struct of_device_id qmp_pcie_of_match_table[] = {
}, {
.compatible = "qcom,ipq8074-qmp-pcie-phy",
.data = &ipq8074_pciephy_cfg,
+ }, {
+ .compatible = "qcom,ipq9574-qmp-gen3x2-pcie-phy",
+ .data = &ipq9574_pciephy_gen3x2_cfg,
}, {
.compatible = "qcom,msm8998-qmp-pcie-phy",
.data = &msm8998_pciephy_cfg,
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-pcie-v5.h b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-pcie-v5.h
index a469ae2a10a1..fa15a03055de 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-pcie-v5.h
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-pcie-v5.h
@@ -11,8 +11,22 @@
#define QPHY_V5_PCS_PCIE_POWER_STATE_CONFIG2 0x0c
#define QPHY_V5_PCS_PCIE_POWER_STATE_CONFIG4 0x14
#define QPHY_V5_PCS_PCIE_ENDPOINT_REFCLK_DRIVE 0x20
+#define QPHY_V5_PCS_PCIE_L1P1_WAKEUP_DLY_TIME_AUXCLK_L 0x44
+#define QPHY_V5_PCS_PCIE_L1P1_WAKEUP_DLY_TIME_AUXCLK_H 0x48
+#define QPHY_V5_PCS_PCIE_L1P2_WAKEUP_DLY_TIME_AUXCLK_L 0x4c
+#define QPHY_V5_PCS_PCIE_L1P2_WAKEUP_DLY_TIME_AUXCLK_H 0x50
#define QPHY_V5_PCS_PCIE_INT_AUX_CLK_CONFIG1 0x54
+#define QPHY_V5_PCS_PCIE_OSC_DTCT_CONFIG1 0x5c
+#define QPHY_V5_PCS_PCIE_OSC_DTCT_CONFIG2 0x60
+#define QPHY_V5_PCS_PCIE_OSC_DTCT_CONFIG4 0x68
+#define QPHY_V5_PCS_PCIE_OSC_DTCT_MODE2_CONFIG2 0x7c
+#define QPHY_V5_PCS_PCIE_OSC_DTCT_MODE2_CONFIG4 0x84
+#define QPHY_V5_PCS_PCIE_OSC_DTCT_MODE2_CONFIG5 0x88
+#define QPHY_V5_PCS_PCIE_OSC_DTCT_MODE2_CONFIG6 0x8c
#define QPHY_V5_PCS_PCIE_OSC_DTCT_ACTIONS 0x94
+#define QPHY_V5_PCS_PCIE_EQ_CONFIG1 0xa4
#define QPHY_V5_PCS_PCIE_EQ_CONFIG2 0xa8
+#define QPHY_V5_PCS_PCIE_PRESET_P10_PRE 0xc0
+#define QPHY_V5_PCS_PCIE_PRESET_P10_POST 0xe4

#endif
--
2.40.1