Re: [PATCH v3 13/15] phy: cadence: Sierra: Add PCIe + QSGMII PHY multilink configuration

From: Vinod Koul
Date: Mon Nov 22 2021 - 23:50:01 EST

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On 22-10-21, 19:02, Swapnil Jakhade wrote:
> Add register sequences for PCIe + QSGMII PHY multilink configuration.
>
> Signed-off-by: Swapnil Jakhade <sjakhade@xxxxxxxxxxx>
> Reviewed-by: Aswath Govindraju <a-govindraju@xxxxxx>
> ---
> drivers/phy/cadence/phy-cadence-sierra.c | 377 ++++++++++++++++++++++-
> 1 file changed, 376 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/phy/cadence/phy-cadence-sierra.c b/drivers/phy/cadence/phy-cadence-sierra.c
> index a39be67424a1..0deb627845b1 100644
> --- a/drivers/phy/cadence/phy-cadence-sierra.c
> +++ b/drivers/phy/cadence/phy-cadence-sierra.c
> @@ -45,6 +45,9 @@
> #define SIERRA_CMN_REFRCV_PREG 0x98
> #define SIERRA_CMN_REFRCV1_PREG 0xB8
> #define SIERRA_CMN_PLLLC1_GEN_PREG 0xC2
> +#define SIERRA_CMN_PLLLC1_LF_COEFF_MODE0_PREG 0xCA
> +#define SIERRA_CMN_PLLLC1_BWCAL_MODE0_PREG 0xD0
> +#define SIERRA_CMN_PLLLC1_SS_TIME_STEPSIZE_MODE_PREG 0xE2
>
> #define SIERRA_LANE_CDB_OFFSET(ln, block_offset, reg_offset) \
> ((0x4000 << (block_offset)) + \
> @@ -59,6 +62,9 @@
> #define SIERRA_PSM_A0IN_TMR_PREG 0x009
> #define SIERRA_PSM_A3IN_TMR_PREG 0x00C
> #define SIERRA_PSM_DIAG_PREG 0x015
> +#define SIERRA_PSC_LN_A3_PREG 0x023
> +#define SIERRA_PSC_LN_A4_PREG 0x024
> +#define SIERRA_PSC_LN_IDLE_PREG 0x026
> #define SIERRA_PSC_TX_A0_PREG 0x028
> #define SIERRA_PSC_TX_A1_PREG 0x029
> #define SIERRA_PSC_TX_A2_PREG 0x02A
> @@ -68,6 +74,7 @@
> #define SIERRA_PSC_RX_A2_PREG 0x032
> #define SIERRA_PSC_RX_A3_PREG 0x033
> #define SIERRA_PLLCTRL_SUBRATE_PREG 0x03A
> +#define SIERRA_PLLCTRL_GEN_A_PREG 0x03B
> #define SIERRA_PLLCTRL_GEN_D_PREG 0x03E
> #define SIERRA_PLLCTRL_CPGAIN_MODE_PREG 0x03F
> #define SIERRA_PLLCTRL_STATUS_PREG 0x044
> @@ -150,6 +157,7 @@
> #define SIERRA_CPICAL_TMRVAL_MODE0_PREG 0x171
> #define SIERRA_CPICAL_PICNT_MODE1_PREG 0x174
> #define SIERRA_CPI_OUTBUF_RATESEL_PREG 0x17C
> +#define SIERRA_CPI_RESBIAS_BIN_PREG 0x17E
> #define SIERRA_CPI_TRIM_PREG 0x17F
> #define SIERRA_CPICAL_RES_STARTCODE_MODE23_PREG 0x183
> #define SIERRA_EPI_CTRL_PREG 0x187
> @@ -272,7 +280,8 @@ static u32 cdns_sierra_pll_mux_table[][SIERRA_NUM_CMN_PLLC_PARENTS] = {
> enum cdns_sierra_phy_type {
> TYPE_NONE,
> TYPE_PCIE,
> - TYPE_USB
> + TYPE_USB,
> + TYPE_QSGMII
> };
>
> enum cdns_sierra_ssc_mode {
> @@ -807,6 +816,9 @@ static int cdns_sierra_get_optional(struct cdns_sierra_inst *inst,
> case PHY_TYPE_USB3:
> inst->phy_type = TYPE_USB;
> break;
> + case PHY_TYPE_QSGMII:
> + inst->phy_type = TYPE_QSGMII;
> + break;
> default:
> return -EINVAL;
> }
> @@ -1186,6 +1198,9 @@ static int cdns_sierra_phy_configure_multilink(struct cdns_sierra_phy *sp)
> regmap_write(regmap, reg_pairs[j].off, reg_pairs[j].val);
> }
> }
> +
> + if (phy_t1 == TYPE_QSGMII)
> + reset_control_deassert(sp->phys[node].lnk_rst);
> }
>
> /* Take the PHY out of reset */
> @@ -1363,6 +1378,72 @@ static int cdns_sierra_phy_remove(struct platform_device *pdev)
> return 0;
> }
>
> +/* QSGMII PHY PMA lane configuration */
> +static struct cdns_reg_pairs qsgmii_phy_pma_ln_regs[] = {
> + {0x9010, SIERRA_PHY_PMA_XCVR_CTRL}
> +};
> +
> +static struct cdns_sierra_vals qsgmii_phy_pma_ln_vals = {
> + .reg_pairs = qsgmii_phy_pma_ln_regs,
> + .num_regs = ARRAY_SIZE(qsgmii_phy_pma_ln_regs),
> +};
> +
> +/* QSGMII refclk 100MHz, 20b, opt1, No BW cal, no ssc, PLL LC1 */
> +static const struct cdns_reg_pairs qsgmii_100_no_ssc_plllc1_cmn_regs[] = {
> + {0x2085, SIERRA_CMN_PLLLC1_LF_COEFF_MODE0_PREG},
> + {0x0000, SIERRA_CMN_PLLLC1_BWCAL_MODE0_PREG},
> + {0x0000, SIERRA_CMN_PLLLC1_SS_TIME_STEPSIZE_MODE_PREG}
> +};
> +
> +static const struct cdns_reg_pairs qsgmii_100_no_ssc_plllc1_ln_regs[] = {
> + {0xFC08, SIERRA_DET_STANDEC_A_PREG},
> + {0x0252, SIERRA_DET_STANDEC_E_PREG},
> + {0x0004, SIERRA_PSC_LN_IDLE_PREG},
> + {0x0FFE, SIERRA_PSC_RX_A0_PREG},
> + {0x0011, SIERRA_PLLCTRL_SUBRATE_PREG},
> + {0x0001, SIERRA_PLLCTRL_GEN_A_PREG},
> + {0x5233, SIERRA_PLLCTRL_CPGAIN_MODE_PREG},
> + {0x0000, SIERRA_DRVCTRL_ATTEN_PREG},
> + {0x0089, SIERRA_RX_CREQ_FLTR_A_MODE0_PREG},
> + {0x3C3C, SIERRA_CREQ_CCLKDET_MODE01_PREG},
> + {0x3222, SIERRA_CREQ_FSMCLK_SEL_PREG},
> + {0x0000, SIERRA_CREQ_EQ_CTRL_PREG},
> + {0x8422, SIERRA_CTLELUT_CTRL_PREG},
> + {0x4111, SIERRA_DFE_ECMP_RATESEL_PREG},
> + {0x4111, SIERRA_DFE_SMP_RATESEL_PREG},
> + {0x0002, SIERRA_DEQ_PHALIGN_CTRL},
> + {0x9595, SIERRA_DEQ_VGATUNE_CTRL_PREG},
> + {0x0186, SIERRA_DEQ_GLUT0},
> + {0x0186, SIERRA_DEQ_GLUT1},
> + {0x0186, SIERRA_DEQ_GLUT2},
> + {0x0186, SIERRA_DEQ_GLUT3},
> + {0x0186, SIERRA_DEQ_GLUT4},
> + {0x0861, SIERRA_DEQ_ALUT0},
> + {0x07E0, SIERRA_DEQ_ALUT1},
> + {0x079E, SIERRA_DEQ_ALUT2},
> + {0x071D, SIERRA_DEQ_ALUT3},
> + {0x03F5, SIERRA_DEQ_DFETAP_CTRL_PREG},
> + {0x0C01, SIERRA_DEQ_TAU_CTRL1_FAST_MAINT_PREG},
> + {0x3C40, SIERRA_DEQ_TAU_CTRL1_SLOW_MAINT_PREG},
> + {0x1C04, SIERRA_DEQ_TAU_CTRL2_PREG},
> + {0x0033, SIERRA_DEQ_PICTRL_PREG},
> + {0x0660, SIERRA_CPICAL_TMRVAL_MODE0_PREG},
> + {0x00D5, SIERRA_CPI_OUTBUF_RATESEL_PREG},
> + {0x0B6D, SIERRA_CPI_RESBIAS_BIN_PREG},
> + {0x0102, SIERRA_RXBUFFER_CTLECTRL_PREG},
> + {0x0002, SIERRA_RXBUFFER_RCDFECTRL_PREG}
> +};
> +
> +static struct cdns_sierra_vals qsgmii_100_no_ssc_plllc1_cmn_vals = {
> + .reg_pairs = qsgmii_100_no_ssc_plllc1_cmn_regs,
> + .num_regs = ARRAY_SIZE(qsgmii_100_no_ssc_plllc1_cmn_regs),
> +};
> +
> +static struct cdns_sierra_vals qsgmii_100_no_ssc_plllc1_ln_vals = {
> + .reg_pairs = qsgmii_100_no_ssc_plllc1_ln_regs,
> + .num_regs = ARRAY_SIZE(qsgmii_100_no_ssc_plllc1_ln_regs),
> +};
> +
> /* PCIE PHY PCS common configuration */
> static struct cdns_reg_pairs pcie_phy_pcs_cmn_regs[] = {
> {0x0430, SIERRA_PHY_PIPE_CMN_CTRL1}
> @@ -1373,6 +1454,233 @@ static struct cdns_sierra_vals pcie_phy_pcs_cmn_vals = {
> .num_regs = ARRAY_SIZE(pcie_phy_pcs_cmn_regs),
> };
>
> +/* refclk100MHz_32b_PCIe_cmn_pll_no_ssc, pcie_links_using_plllc, pipe_bw_3 */
> +static const struct cdns_reg_pairs pcie_100_no_ssc_plllc_cmn_regs[] = {
> + {0x2105, SIERRA_CMN_PLLLC_LF_COEFF_MODE1_PREG},
> + {0x2105, SIERRA_CMN_PLLLC_LF_COEFF_MODE0_PREG},
> + {0x8A06, SIERRA_CMN_PLLLC_BWCAL_MODE1_PREG},
> + {0x8A06, SIERRA_CMN_PLLLC_BWCAL_MODE0_PREG}
> +};
> +
> +/*
> + * refclk100MHz_32b_PCIe_ln_no_ssc, multilink, using_plllc,
> + * cmn_pllcy_anaclk0_1Ghz, xcvr_pllclk_fullrt_500mhz
> + */
> +static const struct cdns_reg_pairs ml_pcie_100_no_ssc_ln_regs[] = {
> + {0xFC08, SIERRA_DET_STANDEC_A_PREG},
> + {0x001D, SIERRA_PSM_A3IN_TMR_PREG},
> + {0x0004, SIERRA_PSC_LN_A3_PREG},
> + {0x0004, SIERRA_PSC_LN_A4_PREG},
> + {0x0004, SIERRA_PSC_LN_IDLE_PREG},
> + {0x1555, SIERRA_DFE_BIASTRIM_PREG},
> + {0x9703, SIERRA_DRVCTRL_BOOST_PREG},
> + {0x8055, SIERRA_RX_CREQ_FLTR_A_MODE3_PREG},
> + {0x80BB, SIERRA_RX_CREQ_FLTR_A_MODE2_PREG},
> + {0x8351, SIERRA_RX_CREQ_FLTR_A_MODE1_PREG},
> + {0x8349, SIERRA_RX_CREQ_FLTR_A_MODE0_PREG},
> + {0x0002, SIERRA_CREQ_DCBIASATTEN_OVR_PREG},
> + {0x9800, SIERRA_RX_CTLE_CAL_PREG},
> + {0x5624, SIERRA_DEQ_CONCUR_CTRL2_PREG},
> + {0x000F, SIERRA_DEQ_EPIPWR_CTRL2_PREG},
> + {0x00FF, SIERRA_DEQ_FAST_MAINT_CYCLES_PREG},
> + {0x4C4C, SIERRA_DEQ_ERRCMP_CTRL_PREG},
> + {0x02FA, SIERRA_DEQ_OFFSET_CTRL_PREG},
> + {0x02FA, SIERRA_DEQ_GAIN_CTRL_PREG},
> + {0x0041, SIERRA_DEQ_GLUT0},
> + {0x0082, SIERRA_DEQ_GLUT1},
> + {0x00C3, SIERRA_DEQ_GLUT2},
> + {0x0145, SIERRA_DEQ_GLUT3},
> + {0x0186, SIERRA_DEQ_GLUT4},
> + {0x09E7, SIERRA_DEQ_ALUT0},
> + {0x09A6, SIERRA_DEQ_ALUT1},
> + {0x0965, SIERRA_DEQ_ALUT2},
> + {0x08E3, SIERRA_DEQ_ALUT3},
> + {0x00FA, SIERRA_DEQ_DFETAP0},
> + {0x00FA, SIERRA_DEQ_DFETAP1},
> + {0x00FA, SIERRA_DEQ_DFETAP2},
> + {0x00FA, SIERRA_DEQ_DFETAP3},
> + {0x00FA, SIERRA_DEQ_DFETAP4},
> + {0x000F, SIERRA_DEQ_PRECUR_PREG},
> + {0x0280, SIERRA_DEQ_POSTCUR_PREG},
> + {0x8F00, SIERRA_DEQ_POSTCUR_DECR_PREG},
> + {0x3C0F, SIERRA_DEQ_TAU_CTRL1_SLOW_MAINT_PREG},
> + {0x1C0C, SIERRA_DEQ_TAU_CTRL2_PREG},
> + {0x0100, SIERRA_DEQ_TAU_CTRL3_PREG},
> + {0x5E82, SIERRA_DEQ_OPENEYE_CTRL_PREG},
> + {0x002B, SIERRA_CPI_TRIM_PREG},
> + {0x0003, SIERRA_EPI_CTRL_PREG},
> + {0x803F, SIERRA_SDFILT_H2L_A_PREG},
> + {0x0004, SIERRA_RXBUFFER_CTLECTRL_PREG},
> + {0x2010, SIERRA_RXBUFFER_RCDFECTRL_PREG},
> + {0x4432, SIERRA_RXBUFFER_DFECTRL_PREG}
> +};
> +
> +static struct cdns_sierra_vals pcie_100_no_ssc_plllc_cmn_vals = {
> + .reg_pairs = pcie_100_no_ssc_plllc_cmn_regs,
> + .num_regs = ARRAY_SIZE(pcie_100_no_ssc_plllc_cmn_regs),
> +};
> +
> +static struct cdns_sierra_vals ml_pcie_100_no_ssc_ln_vals = {
> + .reg_pairs = ml_pcie_100_no_ssc_ln_regs,
> + .num_regs = ARRAY_SIZE(ml_pcie_100_no_ssc_ln_regs),
> +};
> +
> +/* refclk100MHz_32b_PCIe_cmn_pll_int_ssc, pcie_links_using_plllc, pipe_bw_3 */
> +static const struct cdns_reg_pairs pcie_100_int_ssc_plllc_cmn_regs[] = {
> + {0x000E, SIERRA_CMN_PLLLC_MODE_PREG},
> + {0x4006, SIERRA_CMN_PLLLC_LF_COEFF_MODE1_PREG},
> + {0x4006, SIERRA_CMN_PLLLC_LF_COEFF_MODE0_PREG},
> + {0x0000, SIERRA_CMN_PLLLC_BWCAL_MODE1_PREG},
> + {0x0000, SIERRA_CMN_PLLLC_BWCAL_MODE0_PREG},
> + {0x0581, SIERRA_CMN_PLLLC_DSMCORR_PREG},
> + {0x7F80, SIERRA_CMN_PLLLC_SS_PREG},
> + {0x0041, SIERRA_CMN_PLLLC_SS_AMP_STEP_SIZE_PREG},
> + {0x0464, SIERRA_CMN_PLLLC_SSTWOPT_PREG},
> + {0x0D0D, SIERRA_CMN_PLLLC_SS_TIME_STEPSIZE_MODE_PREG},
> + {0x0060, SIERRA_CMN_PLLLC_LOCK_DELAY_CTRL_PREG}
> +};
> +
> +/*
> + * refclk100MHz_32b_PCIe_ln_int_ssc, multilink, using_plllc,
> + * cmn_pllcy_anaclk0_1Ghz, xcvr_pllclk_fullrt_500mhz
> + */
> +static const struct cdns_reg_pairs ml_pcie_100_int_ssc_ln_regs[] = {
> + {0xFC08, SIERRA_DET_STANDEC_A_PREG},
> + {0x001D, SIERRA_PSM_A3IN_TMR_PREG},
> + {0x0004, SIERRA_PSC_LN_A3_PREG},
> + {0x0004, SIERRA_PSC_LN_A4_PREG},
> + {0x0004, SIERRA_PSC_LN_IDLE_PREG},
> + {0x1555, SIERRA_DFE_BIASTRIM_PREG},
> + {0x9703, SIERRA_DRVCTRL_BOOST_PREG},
> + {0x813E, SIERRA_CLKPATHCTRL_TMR_PREG},
> + {0x8047, SIERRA_RX_CREQ_FLTR_A_MODE3_PREG},
> + {0x808F, SIERRA_RX_CREQ_FLTR_A_MODE2_PREG},
> + {0x808F, SIERRA_RX_CREQ_FLTR_A_MODE1_PREG},
> + {0x808F, SIERRA_RX_CREQ_FLTR_A_MODE0_PREG},
> + {0x0002, SIERRA_CREQ_DCBIASATTEN_OVR_PREG},
> + {0x9800, SIERRA_RX_CTLE_CAL_PREG},
> + {0x033C, SIERRA_RX_CTLE_MAINTENANCE_PREG},
> + {0x44CC, SIERRA_CREQ_EQ_OPEN_EYE_THRESH_PREG},
> + {0x5624, SIERRA_DEQ_CONCUR_CTRL2_PREG},
> + {0x000F, SIERRA_DEQ_EPIPWR_CTRL2_PREG},
> + {0x00FF, SIERRA_DEQ_FAST_MAINT_CYCLES_PREG},
> + {0x4C4C, SIERRA_DEQ_ERRCMP_CTRL_PREG},
> + {0x02FA, SIERRA_DEQ_OFFSET_CTRL_PREG},
> + {0x02FA, SIERRA_DEQ_GAIN_CTRL_PREG},
> + {0x0041, SIERRA_DEQ_GLUT0},
> + {0x0082, SIERRA_DEQ_GLUT1},
> + {0x00C3, SIERRA_DEQ_GLUT2},
> + {0x0145, SIERRA_DEQ_GLUT3},
> + {0x0186, SIERRA_DEQ_GLUT4},
> + {0x09E7, SIERRA_DEQ_ALUT0},
> + {0x09A6, SIERRA_DEQ_ALUT1},
> + {0x0965, SIERRA_DEQ_ALUT2},
> + {0x08E3, SIERRA_DEQ_ALUT3},
> + {0x00FA, SIERRA_DEQ_DFETAP0},
> + {0x00FA, SIERRA_DEQ_DFETAP1},
> + {0x00FA, SIERRA_DEQ_DFETAP2},
> + {0x00FA, SIERRA_DEQ_DFETAP3},
> + {0x00FA, SIERRA_DEQ_DFETAP4},
> + {0x000F, SIERRA_DEQ_PRECUR_PREG},
> + {0x0280, SIERRA_DEQ_POSTCUR_PREG},
> + {0x8F00, SIERRA_DEQ_POSTCUR_DECR_PREG},
> + {0x3C0F, SIERRA_DEQ_TAU_CTRL1_SLOW_MAINT_PREG},
> + {0x1C0C, SIERRA_DEQ_TAU_CTRL2_PREG},
> + {0x0100, SIERRA_DEQ_TAU_CTRL3_PREG},
> + {0x5E82, SIERRA_DEQ_OPENEYE_CTRL_PREG},
> + {0x002B, SIERRA_CPI_TRIM_PREG},
> + {0x0003, SIERRA_EPI_CTRL_PREG},
> + {0x803F, SIERRA_SDFILT_H2L_A_PREG},
> + {0x0004, SIERRA_RXBUFFER_CTLECTRL_PREG},
> + {0x2010, SIERRA_RXBUFFER_RCDFECTRL_PREG},
> + {0x4432, SIERRA_RXBUFFER_DFECTRL_PREG}
> +};
> +
> +static struct cdns_sierra_vals pcie_100_int_ssc_plllc_cmn_vals = {
> + .reg_pairs = pcie_100_int_ssc_plllc_cmn_regs,
> + .num_regs = ARRAY_SIZE(pcie_100_int_ssc_plllc_cmn_regs),
> +};
> +
> +static struct cdns_sierra_vals ml_pcie_100_int_ssc_ln_vals = {
> + .reg_pairs = ml_pcie_100_int_ssc_ln_regs,
> + .num_regs = ARRAY_SIZE(ml_pcie_100_int_ssc_ln_regs),
> +};
> +
> +/* refclk100MHz_32b_PCIe_cmn_pll_ext_ssc, pcie_links_using_plllc, pipe_bw_3 */
> +static const struct cdns_reg_pairs pcie_100_ext_ssc_plllc_cmn_regs[] = {
> + {0x2106, SIERRA_CMN_PLLLC_LF_COEFF_MODE1_PREG},
> + {0x2106, SIERRA_CMN_PLLLC_LF_COEFF_MODE0_PREG},
> + {0x8A06, SIERRA_CMN_PLLLC_BWCAL_MODE1_PREG},
> + {0x8A06, SIERRA_CMN_PLLLC_BWCAL_MODE0_PREG},
> + {0x1B1B, SIERRA_CMN_PLLLC_SS_TIME_STEPSIZE_MODE_PREG}
> +};
> +
> +/*
> + * refclk100MHz_32b_PCIe_ln_ext_ssc, multilink, using_plllc,
> + * cmn_pllcy_anaclk0_1Ghz, xcvr_pllclk_fullrt_500mhz
> + */
> +static const struct cdns_reg_pairs ml_pcie_100_ext_ssc_ln_regs[] = {
> + {0xFC08, SIERRA_DET_STANDEC_A_PREG},
> + {0x001D, SIERRA_PSM_A3IN_TMR_PREG},
> + {0x0004, SIERRA_PSC_LN_A3_PREG},
> + {0x0004, SIERRA_PSC_LN_A4_PREG},
> + {0x0004, SIERRA_PSC_LN_IDLE_PREG},
> + {0x1555, SIERRA_DFE_BIASTRIM_PREG},
> + {0x9703, SIERRA_DRVCTRL_BOOST_PREG},
> + {0x813E, SIERRA_CLKPATHCTRL_TMR_PREG},
> + {0x8047, SIERRA_RX_CREQ_FLTR_A_MODE3_PREG},
> + {0x808F, SIERRA_RX_CREQ_FLTR_A_MODE2_PREG},
> + {0x808F, SIERRA_RX_CREQ_FLTR_A_MODE1_PREG},
> + {0x808F, SIERRA_RX_CREQ_FLTR_A_MODE0_PREG},
> + {0x0002, SIERRA_CREQ_DCBIASATTEN_OVR_PREG},
> + {0x9800, SIERRA_RX_CTLE_CAL_PREG},
> + {0x033C, SIERRA_RX_CTLE_MAINTENANCE_PREG},
> + {0x44CC, SIERRA_CREQ_EQ_OPEN_EYE_THRESH_PREG},
> + {0x5624, SIERRA_DEQ_CONCUR_CTRL2_PREG},
> + {0x000F, SIERRA_DEQ_EPIPWR_CTRL2_PREG},
> + {0x00FF, SIERRA_DEQ_FAST_MAINT_CYCLES_PREG},
> + {0x4C4C, SIERRA_DEQ_ERRCMP_CTRL_PREG},
> + {0x02FA, SIERRA_DEQ_OFFSET_CTRL_PREG},
> + {0x02FA, SIERRA_DEQ_GAIN_CTRL_PREG},
> + {0x0041, SIERRA_DEQ_GLUT0},
> + {0x0082, SIERRA_DEQ_GLUT1},
> + {0x00C3, SIERRA_DEQ_GLUT2},
> + {0x0145, SIERRA_DEQ_GLUT3},
> + {0x0186, SIERRA_DEQ_GLUT4},
> + {0x09E7, SIERRA_DEQ_ALUT0},
> + {0x09A6, SIERRA_DEQ_ALUT1},
> + {0x0965, SIERRA_DEQ_ALUT2},
> + {0x08E3, SIERRA_DEQ_ALUT3},
> + {0x00FA, SIERRA_DEQ_DFETAP0},
> + {0x00FA, SIERRA_DEQ_DFETAP1},
> + {0x00FA, SIERRA_DEQ_DFETAP2},
> + {0x00FA, SIERRA_DEQ_DFETAP3},
> + {0x00FA, SIERRA_DEQ_DFETAP4},
> + {0x000F, SIERRA_DEQ_PRECUR_PREG},
> + {0x0280, SIERRA_DEQ_POSTCUR_PREG},
> + {0x8F00, SIERRA_DEQ_POSTCUR_DECR_PREG},
> + {0x3C0F, SIERRA_DEQ_TAU_CTRL1_SLOW_MAINT_PREG},
> + {0x1C0C, SIERRA_DEQ_TAU_CTRL2_PREG},
> + {0x0100, SIERRA_DEQ_TAU_CTRL3_PREG},
> + {0x5E82, SIERRA_DEQ_OPENEYE_CTRL_PREG},
> + {0x002B, SIERRA_CPI_TRIM_PREG},
> + {0x0003, SIERRA_EPI_CTRL_PREG},
> + {0x803F, SIERRA_SDFILT_H2L_A_PREG},
> + {0x0004, SIERRA_RXBUFFER_CTLECTRL_PREG},
> + {0x2010, SIERRA_RXBUFFER_RCDFECTRL_PREG},
> + {0x4432, SIERRA_RXBUFFER_DFECTRL_PREG}
> +};
> +
> +static struct cdns_sierra_vals pcie_100_ext_ssc_plllc_cmn_vals = {
> + .reg_pairs = pcie_100_ext_ssc_plllc_cmn_regs,
> + .num_regs = ARRAY_SIZE(pcie_100_ext_ssc_plllc_cmn_regs),
> +};
> +
> +static struct cdns_sierra_vals ml_pcie_100_ext_ssc_ln_vals = {
> + .reg_pairs = ml_pcie_100_ext_ssc_ln_regs,
> + .num_regs = ARRAY_SIZE(ml_pcie_100_ext_ssc_ln_regs),
> +};
> +
> /* refclk100MHz_32b_PCIe_cmn_pll_no_ssc */
> static const struct cdns_reg_pairs cdns_pcie_cmn_regs_no_ssc[] = {
> {0x2105, SIERRA_CMN_PLLLC_LF_COEFF_MODE1_PREG},
> @@ -1710,6 +2018,11 @@ static const struct cdns_sierra_data cdns_map_sierra = {
> [EXTERNAL_SSC] = &pcie_phy_pcs_cmn_vals,
> [INTERNAL_SSC] = &pcie_phy_pcs_cmn_vals,
> },
> + [TYPE_QSGMII] = {
> + [NO_SSC] = &pcie_phy_pcs_cmn_vals,
> + [EXTERNAL_SSC] = &pcie_phy_pcs_cmn_vals,
> + [INTERNAL_SSC] = &pcie_phy_pcs_cmn_vals,
> + },
> },
> },
> .pma_cmn_vals = {
> @@ -1719,12 +2032,24 @@ static const struct cdns_sierra_data cdns_map_sierra = {
> [EXTERNAL_SSC] = &pcie_100_ext_ssc_cmn_vals,
> [INTERNAL_SSC] = &pcie_100_int_ssc_cmn_vals,
> },
> + [TYPE_QSGMII] = {

so this is pcie->qsgmii ->ssc/external/internal ... ok

> + [NO_SSC] = &pcie_100_no_ssc_plllc_cmn_vals,
> + [EXTERNAL_SSC] = &pcie_100_ext_ssc_plllc_cmn_vals,
> + [INTERNAL_SSC] = &pcie_100_int_ssc_plllc_cmn_vals,
> + },
> },
> [TYPE_USB] = {
> [TYPE_NONE] = {
> [EXTERNAL_SSC] = &usb_100_ext_ssc_cmn_vals,
> },
> },
> + [TYPE_QSGMII] = {
> + [TYPE_PCIE] = {

now it is reverse! qsgmii -> pcie -> ... why?

what is meant by pcie->qsgmii and qsgmii-> pcie?

--
~Vinod

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