| Message ID | 20210427065400.18958-3-manivannan.sadhasivam@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | Add support for PCIe PHY in SDX55 | expand |
On Tue 27 Apr 01:53 CDT 2021, Manivannan Sadhasivam wrote: > In preparation of the support for v4.20 PCIe PHY in SDX55, use a > separate "phy_status" field for the status bit offset. This is needed > because, the v4.20 PHY uses a different offset for the PHY Status. Nit. I think "...uses a different bit for..." would be better. > Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Regards, Bjorn > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> > --- > drivers/phy/qualcomm/phy-qcom-qmp.c | 29 ++++++++++++++++++++++++++++- > 1 file changed, 28 insertions(+), 1 deletion(-) > > diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c > index 9cdebe7f26cb..c9934b2407c4 100644 > --- a/drivers/phy/qualcomm/phy-qcom-qmp.c > +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c > @@ -2323,6 +2323,8 @@ struct qmp_phy_cfg { > unsigned int start_ctrl; > unsigned int pwrdn_ctrl; > unsigned int mask_com_pcs_ready; > + /* bit offset of PHYSTATUS in QPHY_PCS_STATUS register */ > + unsigned int phy_status; > > /* true, if PHY has a separate PHY_COM control block */ > bool has_phy_com_ctrl; > @@ -2526,6 +2528,7 @@ static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = { > > .start_ctrl = SERDES_START | PCS_START, > .pwrdn_ctrl = SW_PWRDN, > + .phy_status = PHYSTATUS, > }; > > static const struct qmp_phy_cfg msm8996_pciephy_cfg = { > @@ -2551,6 +2554,7 @@ static const struct qmp_phy_cfg msm8996_pciephy_cfg = { > .start_ctrl = PCS_START | PLL_READY_GATE_EN, > .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, > .mask_com_pcs_ready = PCS_READY, > + .phy_status = PHYSTATUS, > > .has_phy_com_ctrl = true, > .has_lane_rst = true, > @@ -2580,6 +2584,7 @@ static const struct qmp_phy_cfg msm8996_ufs_cfg = { > > .start_ctrl = SERDES_START, > .pwrdn_ctrl = SW_PWRDN, > + .phy_status = PHYSTATUS, > > .no_pcs_sw_reset = true, > }; > @@ -2606,6 +2611,7 @@ static const struct qmp_phy_cfg msm8996_usb3phy_cfg = { > > .start_ctrl = SERDES_START | PCS_START, > .pwrdn_ctrl = SW_PWRDN, > + .phy_status = PHYSTATUS, > }; > > static const char * const ipq8074_pciephy_clk_l[] = { > @@ -2638,6 +2644,7 @@ static const struct qmp_phy_cfg ipq8074_pciephy_cfg = { > > .start_ctrl = SERDES_START | PCS_START, > .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, > + .phy_status = PHYSTATUS, > > .has_phy_com_ctrl = false, > .has_lane_rst = false, > @@ -2670,6 +2677,7 @@ static const struct qmp_phy_cfg sdm845_qmp_pciephy_cfg = { > > .start_ctrl = PCS_START | SERDES_START, > .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, > + .phy_status = PHYSTATUS, > > .has_pwrdn_delay = true, > .pwrdn_delay_min = 995, /* us */ > @@ -2698,6 +2706,7 @@ static const struct qmp_phy_cfg sdm845_qhp_pciephy_cfg = { > > .start_ctrl = PCS_START | SERDES_START, > .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, > + .phy_status = PHYSTATUS, > > .has_pwrdn_delay = true, > .pwrdn_delay_min = 995, /* us */ > @@ -2736,6 +2745,7 @@ static const struct qmp_phy_cfg sm8250_qmp_gen3x1_pciephy_cfg = { > > .start_ctrl = PCS_START | SERDES_START, > .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, > + .phy_status = PHYSTATUS, > > .has_pwrdn_delay = true, > .pwrdn_delay_min = 995, /* us */ > @@ -2774,6 +2784,7 @@ static const struct qmp_phy_cfg sm8250_qmp_gen3x2_pciephy_cfg = { > > .start_ctrl = PCS_START | SERDES_START, > .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, > + .phy_status = PHYSTATUS, > > .is_dual_lane_phy = true, > .has_pwrdn_delay = true, > @@ -2803,6 +2814,7 @@ static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = { > > .start_ctrl = SERDES_START | PCS_START, > .pwrdn_ctrl = SW_PWRDN, > + .phy_status = PHYSTATUS, > > .has_pwrdn_delay = true, > .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, > @@ -2834,6 +2846,7 @@ static const struct qmp_phy_cfg sc7180_usb3phy_cfg = { > > .start_ctrl = SERDES_START | PCS_START, > .pwrdn_ctrl = SW_PWRDN, > + .phy_status = PHYSTATUS, > > .has_pwrdn_delay = true, > .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, > @@ -2900,6 +2913,7 @@ static const struct qmp_phy_cfg qmp_v3_usb3_uniphy_cfg = { > > .start_ctrl = SERDES_START | PCS_START, > .pwrdn_ctrl = SW_PWRDN, > + .phy_status = PHYSTATUS, > > .has_pwrdn_delay = true, > .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, > @@ -2926,6 +2940,7 @@ static const struct qmp_phy_cfg sdm845_ufsphy_cfg = { > > .start_ctrl = SERDES_START, > .pwrdn_ctrl = SW_PWRDN, > + .phy_status = PHYSTATUS, > > .is_dual_lane_phy = true, > .no_pcs_sw_reset = true, > @@ -2953,6 +2968,7 @@ static const struct qmp_phy_cfg msm8998_pciephy_cfg = { > > .start_ctrl = SERDES_START | PCS_START, > .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, > + .phy_status = PHYSTATUS, > }; > > static const struct qmp_phy_cfg msm8998_usb3phy_cfg = { > @@ -2977,6 +2993,7 @@ static const struct qmp_phy_cfg msm8998_usb3phy_cfg = { > > .start_ctrl = SERDES_START | PCS_START, > .pwrdn_ctrl = SW_PWRDN, > + .phy_status = PHYSTATUS, > > .is_dual_lane_phy = true, > }; > @@ -3001,6 +3018,7 @@ static const struct qmp_phy_cfg sm8150_ufsphy_cfg = { > > .start_ctrl = SERDES_START, > .pwrdn_ctrl = SW_PWRDN, > + .phy_status = PHYSTATUS, > > .is_dual_lane_phy = true, > }; > @@ -3027,6 +3045,8 @@ static const struct qmp_phy_cfg sm8150_usb3phy_cfg = { > > .start_ctrl = SERDES_START | PCS_START, > .pwrdn_ctrl = SW_PWRDN, > + .phy_status = PHYSTATUS, > + > > .has_pwrdn_delay = true, > .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, > @@ -3058,6 +3078,7 @@ static const struct qmp_phy_cfg sm8150_usb3_uniphy_cfg = { > > .start_ctrl = SERDES_START | PCS_START, > .pwrdn_ctrl = SW_PWRDN, > + .phy_status = PHYSTATUS, > > .has_pwrdn_delay = true, > .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, > @@ -3086,6 +3107,7 @@ static const struct qmp_phy_cfg sm8250_usb3phy_cfg = { > > .start_ctrl = SERDES_START | PCS_START, > .pwrdn_ctrl = SW_PWRDN, > + .phy_status = PHYSTATUS, > > .has_pwrdn_delay = true, > .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, > @@ -3117,6 +3139,7 @@ static const struct qmp_phy_cfg sm8250_usb3_uniphy_cfg = { > > .start_ctrl = SERDES_START | PCS_START, > .pwrdn_ctrl = SW_PWRDN, > + .phy_status = PHYSTATUS, > > .has_pwrdn_delay = true, > .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, > @@ -3145,6 +3168,7 @@ static const struct qmp_phy_cfg sdx55_usb3_uniphy_cfg = { > > .start_ctrl = SERDES_START | PCS_START, > .pwrdn_ctrl = SW_PWRDN, > + .phy_status = PHYSTATUS, > > .has_pwrdn_delay = true, > .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, > @@ -3171,6 +3195,7 @@ static const struct qmp_phy_cfg sm8350_ufsphy_cfg = { > > .start_ctrl = SERDES_START, > .pwrdn_ctrl = SW_PWRDN, > + .phy_status = PHYSTATUS, > > .is_dual_lane_phy = true, > }; > @@ -3197,6 +3222,7 @@ static const struct qmp_phy_cfg sm8350_usb3phy_cfg = { > > .start_ctrl = SERDES_START | PCS_START, > .pwrdn_ctrl = SW_PWRDN, > + .phy_status = PHYSTATUS, > > .has_pwrdn_delay = true, > .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, > @@ -3228,6 +3254,7 @@ static const struct qmp_phy_cfg sm8350_usb3_uniphy_cfg = { > > .start_ctrl = SERDES_START | PCS_START, > .pwrdn_ctrl = SW_PWRDN, > + .phy_status = PHYSTATUS, > > .has_pwrdn_delay = true, > .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, > @@ -3843,7 +3870,7 @@ static int qcom_qmp_phy_power_on(struct phy *phy) > ready = PCS_READY; > } else { > status = pcs + cfg->regs[QPHY_PCS_STATUS]; > - mask = PHYSTATUS; > + mask = cfg->phy_status; > ready = 0; > } > > -- > 2.25.1 >
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c index 9cdebe7f26cb..c9934b2407c4 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c @@ -2323,6 +2323,8 @@ struct qmp_phy_cfg { unsigned int start_ctrl; unsigned int pwrdn_ctrl; unsigned int mask_com_pcs_ready; + /* bit offset of PHYSTATUS in QPHY_PCS_STATUS register */ + unsigned int phy_status; /* true, if PHY has a separate PHY_COM control block */ bool has_phy_com_ctrl; @@ -2526,6 +2528,7 @@ static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, + .phy_status = PHYSTATUS, }; static const struct qmp_phy_cfg msm8996_pciephy_cfg = { @@ -2551,6 +2554,7 @@ static const struct qmp_phy_cfg msm8996_pciephy_cfg = { .start_ctrl = PCS_START | PLL_READY_GATE_EN, .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, .mask_com_pcs_ready = PCS_READY, + .phy_status = PHYSTATUS, .has_phy_com_ctrl = true, .has_lane_rst = true, @@ -2580,6 +2584,7 @@ static const struct qmp_phy_cfg msm8996_ufs_cfg = { .start_ctrl = SERDES_START, .pwrdn_ctrl = SW_PWRDN, + .phy_status = PHYSTATUS, .no_pcs_sw_reset = true, }; @@ -2606,6 +2611,7 @@ static const struct qmp_phy_cfg msm8996_usb3phy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, + .phy_status = PHYSTATUS, }; static const char * const ipq8074_pciephy_clk_l[] = { @@ -2638,6 +2644,7 @@ static const struct qmp_phy_cfg ipq8074_pciephy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, + .phy_status = PHYSTATUS, .has_phy_com_ctrl = false, .has_lane_rst = false, @@ -2670,6 +2677,7 @@ static const struct qmp_phy_cfg sdm845_qmp_pciephy_cfg = { .start_ctrl = PCS_START | SERDES_START, .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, + .phy_status = PHYSTATUS, .has_pwrdn_delay = true, .pwrdn_delay_min = 995, /* us */ @@ -2698,6 +2706,7 @@ static const struct qmp_phy_cfg sdm845_qhp_pciephy_cfg = { .start_ctrl = PCS_START | SERDES_START, .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, + .phy_status = PHYSTATUS, .has_pwrdn_delay = true, .pwrdn_delay_min = 995, /* us */ @@ -2736,6 +2745,7 @@ static const struct qmp_phy_cfg sm8250_qmp_gen3x1_pciephy_cfg = { .start_ctrl = PCS_START | SERDES_START, .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, + .phy_status = PHYSTATUS, .has_pwrdn_delay = true, .pwrdn_delay_min = 995, /* us */ @@ -2774,6 +2784,7 @@ static const struct qmp_phy_cfg sm8250_qmp_gen3x2_pciephy_cfg = { .start_ctrl = PCS_START | SERDES_START, .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, + .phy_status = PHYSTATUS, .is_dual_lane_phy = true, .has_pwrdn_delay = true, @@ -2803,6 +2814,7 @@ static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, + .phy_status = PHYSTATUS, .has_pwrdn_delay = true, .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, @@ -2834,6 +2846,7 @@ static const struct qmp_phy_cfg sc7180_usb3phy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, + .phy_status = PHYSTATUS, .has_pwrdn_delay = true, .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, @@ -2900,6 +2913,7 @@ static const struct qmp_phy_cfg qmp_v3_usb3_uniphy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, + .phy_status = PHYSTATUS, .has_pwrdn_delay = true, .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, @@ -2926,6 +2940,7 @@ static const struct qmp_phy_cfg sdm845_ufsphy_cfg = { .start_ctrl = SERDES_START, .pwrdn_ctrl = SW_PWRDN, + .phy_status = PHYSTATUS, .is_dual_lane_phy = true, .no_pcs_sw_reset = true, @@ -2953,6 +2968,7 @@ static const struct qmp_phy_cfg msm8998_pciephy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, + .phy_status = PHYSTATUS, }; static const struct qmp_phy_cfg msm8998_usb3phy_cfg = { @@ -2977,6 +2993,7 @@ static const struct qmp_phy_cfg msm8998_usb3phy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, + .phy_status = PHYSTATUS, .is_dual_lane_phy = true, }; @@ -3001,6 +3018,7 @@ static const struct qmp_phy_cfg sm8150_ufsphy_cfg = { .start_ctrl = SERDES_START, .pwrdn_ctrl = SW_PWRDN, + .phy_status = PHYSTATUS, .is_dual_lane_phy = true, }; @@ -3027,6 +3045,8 @@ static const struct qmp_phy_cfg sm8150_usb3phy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, + .phy_status = PHYSTATUS, + .has_pwrdn_delay = true, .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, @@ -3058,6 +3078,7 @@ static const struct qmp_phy_cfg sm8150_usb3_uniphy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, + .phy_status = PHYSTATUS, .has_pwrdn_delay = true, .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, @@ -3086,6 +3107,7 @@ static const struct qmp_phy_cfg sm8250_usb3phy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, + .phy_status = PHYSTATUS, .has_pwrdn_delay = true, .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, @@ -3117,6 +3139,7 @@ static const struct qmp_phy_cfg sm8250_usb3_uniphy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, + .phy_status = PHYSTATUS, .has_pwrdn_delay = true, .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, @@ -3145,6 +3168,7 @@ static const struct qmp_phy_cfg sdx55_usb3_uniphy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, + .phy_status = PHYSTATUS, .has_pwrdn_delay = true, .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, @@ -3171,6 +3195,7 @@ static const struct qmp_phy_cfg sm8350_ufsphy_cfg = { .start_ctrl = SERDES_START, .pwrdn_ctrl = SW_PWRDN, + .phy_status = PHYSTATUS, .is_dual_lane_phy = true, }; @@ -3197,6 +3222,7 @@ static const struct qmp_phy_cfg sm8350_usb3phy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, + .phy_status = PHYSTATUS, .has_pwrdn_delay = true, .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, @@ -3228,6 +3254,7 @@ static const struct qmp_phy_cfg sm8350_usb3_uniphy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, + .phy_status = PHYSTATUS, .has_pwrdn_delay = true, .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, @@ -3843,7 +3870,7 @@ static int qcom_qmp_phy_power_on(struct phy *phy) ready = PCS_READY; } else { status = pcs + cfg->regs[QPHY_PCS_STATUS]; - mask = PHYSTATUS; + mask = cfg->phy_status; ready = 0; }
In preparation of the support for v4.20 PCIe PHY in SDX55, use a separate "phy_status" field for the status bit offset. This is needed because, the v4.20 PHY uses a different offset for the PHY Status. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> --- drivers/phy/qualcomm/phy-qcom-qmp.c | 29 ++++++++++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-) -- 2.25.1