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Commit 334fad18 authored by Robert Marko's avatar Robert Marko Committed by Vinod Koul
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phy: qcom-qmp-pcie: add IPQ8074 PCIe Gen3 QMP PHY support 

IPQ8074 has 2 different single lane PCIe PHY-s, one Gen2 and one Gen3.
Gen2 one is already supported, so add the support for the Gen3 one.
It uses the same register layout as IPQ6018.
Signed-off-by: default avatarRobert Marko <robimarko@gmail.com>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20220621195512.1760362-3-robimarko@gmail.comSigned-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 85d43a69
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drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
View file @ 334fad18
......@@ -450,6 +450,133 @@ static const struct qmp_phy_init_tbl ipq8074_pcie_pcs_tbl[] = {
QMP_PHY_INIT_CFG_L(QPHY_START_CTRL, 0x3),
};
static const struct qmp_phy_init_tbl ipq8074_pcie_gen3_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, 0x82),
QMP_PHY_INIT_CFG(QSERDES_PLL_DIV_FRAC_START3_MODE0, 0x03),
QMP_PHY_INIT_CFG(QSERDES_PLL_DIV_FRAC_START2_MODE0, 0x355),
QMP_PHY_INIT_CFG(QSERDES_PLL_DIV_FRAC_START1_MODE0, 0x35555),
QMP_PHY_INIT_CFG(QSERDES_PLL_LOCK_CMP2_MODE0, 0x1a),
QMP_PHY_INIT_CFG(QSERDES_PLL_LOCK_CMP1_MODE0, 0x1a0a),
QMP_PHY_INIT_CFG(QSERDES_PLL_CP_CTRL_MODE0, 0xb),
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, 0x0),
QMP_PHY_INIT_CFG(QSERDES_PLL_INTEGLOOP_GAIN0_MODE0, 0x40),
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, 0x20),
QMP_PHY_INIT_CFG(QSERDES_PLL_CORECLK_DIV, 0xa),
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, 0xa),
QMP_PHY_INIT_CFG(QSERDES_PLL_HSCLK_SEL, 0x1),
QMP_PHY_INIT_CFG(QSERDES_PLL_DEC_START_MODE1, 0x68),
QMP_PHY_INIT_CFG(QSERDES_PLL_DIV_FRAC_START3_MODE1, 0x2),
QMP_PHY_INIT_CFG(QSERDES_PLL_DIV_FRAC_START2_MODE1, 0x2aa),
QMP_PHY_INIT_CFG(QSERDES_PLL_DIV_FRAC_START1_MODE1, 0x2aaab),
QMP_PHY_INIT_CFG(QSERDES_PLL_CLK_ENABLE1, 0x90),
QMP_PHY_INIT_CFG(QSERDES_PLL_LOCK_CMP2_MODE1, 0x34),
QMP_PHY_INIT_CFG(QSERDES_PLL_LOCK_CMP1_MODE1, 0x3414),
QMP_PHY_INIT_CFG(QSERDES_PLL_CP_CTRL_MODE1, 0x0b),
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, 0x0),
QMP_PHY_INIT_CFG(QSERDES_PLL_INTEGLOOP_GAIN0_MODE1, 0x40),
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, 0x0),
QMP_PHY_INIT_CFG(QSERDES_PLL_CORECLK_DIV_MODE1, 0x08),
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),
};
static const struct qmp_phy_init_tbl ipq8074_pcie_gen3_tx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_TX0_RES_CODE_LANE_OFFSET_TX, 0x02),
QMP_PHY_INIT_CFG(QSERDES_TX0_RCV_DETECT_LVL_2, 0x12),
QMP_PHY_INIT_CFG(QSERDES_TX0_HIGHZ_DRVR_EN, 0x10),
QMP_PHY_INIT_CFG(QSERDES_TX0_LANE_MODE_1, 0x06),
};
static const struct qmp_phy_init_tbl ipq8074_pcie_gen3_rx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_RX0_SIGDET_CNTRL, 0x03),
QMP_PHY_INIT_CFG(QSERDES_RX0_SIGDET_ENABLES, 0x1c),
QMP_PHY_INIT_CFG(QSERDES_RX0_SIGDET_DEGLITCH_CNTRL, 0x14),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_EQU_ADAPTOR_CNTRL2, 0xe),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_EQU_ADAPTOR_CNTRL3, 0x4),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_EQU_ADAPTOR_CNTRL4, 0x1b),
QMP_PHY_INIT_CFG(QSERDES_RX0_DFE_EN_TIMER, 0x04),
QMP_PHY_INIT_CFG(QSERDES_RX0_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
QMP_PHY_INIT_CFG(QSERDES_RX0_UCDR_PI_CONTROLS, 0x70),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x73),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_10_LOW, 0x00),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_10_HIGH, 0x02),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_10_HIGH2, 0xc8),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_10_HIGH3, 0x09),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_10_HIGH4, 0xb1),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_01_LOW, 0x01),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_01_HIGH, 0x02),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_01_HIGH2, 0xc8),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_01_HIGH3, 0x09),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_01_HIGH4, 0xb1),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_00_LOW, 0xf0),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_00_HIGH, 0x2),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_00_HIGH2, 0x2f),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_00_HIGH3, 0xd3),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_00_HIGH4, 0x40),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_IDAC_TSETTLE_HIGH, 0x00),
QMP_PHY_INIT_CFG(QSERDES_RX0_RX_IDAC_TSETTLE_LOW, 0xc0),
QMP_PHY_INIT_CFG(QSERDES_RX0_UCDR_FO_GAIN, 0x0c),
QMP_PHY_INIT_CFG(QSERDES_RX0_UCDR_SO_GAIN, 0x02),
};
static const struct qmp_phy_init_tbl ipq8074_pcie_gen3_pcs_tbl[] = {
QMP_PHY_INIT_CFG(PCS_COM_FLL_CNTRL2, 0x83),
QMP_PHY_INIT_CFG(PCS_COM_FLL_CNT_VAL_L, 0x9),
QMP_PHY_INIT_CFG(PCS_COM_FLL_CNT_VAL_H_TOL, 0x42),
QMP_PHY_INIT_CFG(PCS_COM_FLL_MAN_CODE, 0x40),
QMP_PHY_INIT_CFG(PCS_COM_FLL_CNTRL1, 0x01),
QMP_PHY_INIT_CFG(PCS_COM_P2U3_WAKEUP_DLY_TIME_AUXCLK_H, 0x0),
QMP_PHY_INIT_CFG(PCS_COM_P2U3_WAKEUP_DLY_TIME_AUXCLK_L, 0x1),
QMP_PHY_INIT_CFG(PCS_PCIE_OSC_DTCT_ACTIONS, 0x0),
QMP_PHY_INIT_CFG(PCS_PCIE_L1P1_WAKEUP_DLY_TIME_AUXCLK_H, 0x00),
QMP_PHY_INIT_CFG(PCS_PCIE_L1P1_WAKEUP_DLY_TIME_AUXCLK_L, 0x01),
QMP_PHY_INIT_CFG(PCS_PCIE_L1P2_WAKEUP_DLY_TIME_AUXCLK_H, 0x00),
QMP_PHY_INIT_CFG(PCS_PCIE_L1P2_WAKEUP_DLY_TIME_AUXCLK_L, 0x01),
QMP_PHY_INIT_CFG(PCS_PCIE_EQ_CONFIG1, 0x11),
QMP_PHY_INIT_CFG(PCS_PCIE_EQ_CONFIG2, 0xb),
QMP_PHY_INIT_CFG(PCS_PCIE_POWER_STATE_CONFIG4, 0x07),
QMP_PHY_INIT_CFG(PCS_PCIE_OSC_DTCT_CONFIG2, 0x52),
QMP_PHY_INIT_CFG(PCS_PCIE_OSC_DTCT_MODE2_CONFIG2, 0x50),
QMP_PHY_INIT_CFG(PCS_PCIE_OSC_DTCT_MODE2_CONFIG4, 0x1a),
QMP_PHY_INIT_CFG(PCS_PCIE_OSC_DTCT_MODE2_CONFIG5, 0x6),
QMP_PHY_INIT_CFG(PCS_COM_G12S1_TXDEEMPH_M3P5DB, 0x10),
QMP_PHY_INIT_CFG(PCS_PCIE_ENDPOINT_REFCLK_DRIVE, 0xc1),
QMP_PHY_INIT_CFG(PCS_COM_RX_DCC_CAL_CONFIG, 0x01),
QMP_PHY_INIT_CFG(PCS_COM_RX_SIGDET_LVL, 0xaa),
QMP_PHY_INIT_CFG(PCS_COM_REFGEN_REQ_CONFIG1, 0x0d),
};
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),
......@@ -1424,6 +1551,36 @@ static const struct qmp_phy_cfg ipq8074_pciephy_cfg = {
.pwrdn_delay_max = 1005, /* us */
};
static const struct qmp_phy_cfg ipq8074_pciephy_gen3_cfg = {
.type = PHY_TYPE_PCIE,
.nlanes = 1,
.serdes_tbl = ipq8074_pcie_gen3_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(ipq8074_pcie_gen3_serdes_tbl),
.tx_tbl = ipq8074_pcie_gen3_tx_tbl,
.tx_tbl_num = ARRAY_SIZE(ipq8074_pcie_gen3_tx_tbl),
.rx_tbl = ipq8074_pcie_gen3_rx_tbl,
.rx_tbl_num = ARRAY_SIZE(ipq8074_pcie_gen3_rx_tbl),
.pcs_tbl = ipq8074_pcie_gen3_pcs_tbl,
.pcs_tbl_num = ARRAY_SIZE(ipq8074_pcie_gen3_pcs_tbl),
.clk_list = ipq8074_pciephy_clk_l,
.num_clks = ARRAY_SIZE(ipq8074_pciephy_clk_l),
.reset_list = ipq8074_pciephy_reset_l,
.num_resets = ARRAY_SIZE(ipq8074_pciephy_reset_l),
.vreg_list = NULL,
.num_vregs = 0,
.regs = ipq_pciephy_gen3_regs_layout,
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
.has_pwrdn_delay = true,
.pwrdn_delay_min = 995, /* us */
.pwrdn_delay_max = 1005, /* us */
.pipe_clock_rate = 250000000,
};
static const struct qmp_phy_cfg ipq6018_pciephy_cfg = {
.type = PHY_TYPE_PCIE,
.nlanes = 1,
......@@ -2250,6 +2407,9 @@ static const struct of_device_id qcom_qmp_phy_pcie_of_match_table[] = {
}, {
.compatible = "qcom,ipq8074-qmp-pcie-phy",
.data = &ipq8074_pciephy_cfg,
}, {
.compatible = "qcom,ipq8074-qmp-gen3-pcie-phy",
.data = &ipq8074_pciephy_gen3_cfg,
}, {
.compatible = "qcom,ipq6018-qmp-pcie-phy",
.data = &ipq6018_pciephy_cfg,
......
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