Message ID | 1697023109-23671-3-git-send-email-quic_msarkar@quicinc.com |
---|---|
State | Superseded |
Headers | show |
Series | arm64: qcom: sa8775p: add support for EP PCIe | expand |
On Wed, 11 Oct 2023 at 14:19, Mrinmay Sarkar <quic_msarkar@quicinc.com> wrote: > > Add support for dual lane end point mode PHY found on sa8755p platform. > > Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com> > --- > drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 41 ++++++++++++++++++++++++++++++ > drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h | 2 ++ > 2 files changed, 43 insertions(+) Two minor questions. > > diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c > index a63ca74..962b4a1 100644 > --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c > +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c > @@ -2147,6 +2147,38 @@ static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x4_pcie_rc_serdes_alt_tbl[] > QMP_PHY_INIT_CFG(QSERDES_V5_COM_CLK_SELECT, 0x34), > }; > > +static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x2_pcie_ep_serdes_alt_tbl[] = { > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_BG_TIMER, 0x02), > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYS_CLK_CTRL, 0x07), > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CP_CTRL_MODE0, 0x27), > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CP_CTRL_MODE1, 0x0a), > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_RCTRL_MODE0, 0x17), > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_RCTRL_MODE1, 0x19), > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CCTRL_MODE0, 0x00), > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CCTRL_MODE1, 0x03), > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYSCLK_EN_SEL, 0x00), > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN0_MODE0, 0xfb), > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN1_MODE0, 0x01), > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN0_MODE1, 0xfb), > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN1_MODE1, 0x01), > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CMN_MODE, 0x14), I should check whether we miss QSERDES_V5_COM_CMN_MODE in sm8450_qmp_gen4x2_pcie_ep_serdes_tbl, which is otherwise nearly identical. Also do you need to set QSERDES_V5_COM_CORE_CLK_EN here? > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP1_MODE0, 0xff), > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP2_MODE0, 0x04), > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP1_MODE1, 0xff), > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP2_MODE1, 0x09), > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_DEC_START_MODE0, 0x19), > + QMP_PHY_INIT_CFG(QSERDES_V5_COM_DEC_START_MODE1, 0x28), > +}; > + > +static const struct qmp_phy_init_tbl sa8775p_qmp_gen4_pcie_ep_pcs_misc_tbl[] = { > + QMP_PHY_INIT_CFG(QPHY_V5_20_PCS_PCIE_OSC_DTCT_MODE2_CONFIG5, 0x08), > +}; This is the same as sm8450_qmp_gen4x2_pcie_ep_pcs_misc_tbl > + > +static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x2_pcie_ep_pcs_alt_tbl[] = { > + QMP_PHY_INIT_CFG(QPHY_V5_PCS_INSIG_MX_CTRL7, 0x00), > + QMP_PHY_INIT_CFG(QPHY_V5_PCS_INSIG_SW_CTRL7, 0x00), > +}; Could you please confirm that these registers belong to the V5 namespace rather than V5_20 one? > + > struct qmp_pcie_offsets { > u16 serdes; > u16 pcs; > @@ -3043,6 +3075,15 @@ static const struct qmp_phy_cfg sa8775p_qmp_gen4x2_pciephy_cfg = { > .pcs_misc_num = ARRAY_SIZE(sa8775p_qmp_gen4_pcie_rc_pcs_misc_tbl), > }, > > + .tbls_ep = &(const struct qmp_phy_cfg_tbls) { > + .serdes = sa8775p_qmp_gen4x2_pcie_ep_serdes_alt_tbl, > + .serdes_num = ARRAY_SIZE(sa8775p_qmp_gen4x2_pcie_ep_serdes_alt_tbl), > + .pcs_misc = sa8775p_qmp_gen4_pcie_ep_pcs_misc_tbl, > + .pcs_misc_num = ARRAY_SIZE(sa8775p_qmp_gen4_pcie_ep_pcs_misc_tbl), > + .pcs = sa8775p_qmp_gen4x2_pcie_ep_pcs_alt_tbl, > + .pcs_num = ARRAY_SIZE(sa8775p_qmp_gen4x2_pcie_ep_pcs_alt_tbl), > + }, > + > .reset_list = sdm845_pciephy_reset_l, > .num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l), > .vreg_list = qmp_phy_vreg_l, > diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h > index 36cc80b..6ee1c33 100644 > --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h > +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h > @@ -11,6 +11,8 @@ > #define QPHY_V5_PCS_PCS_STATUS1 0x014 > #define QPHY_V5_PCS_POWER_DOWN_CONTROL 0x040 > #define QPHY_V5_PCS_START_CONTROL 0x044 > +#define QPHY_V5_PCS_INSIG_SW_CTRL7 0x060 > +#define QPHY_V5_PCS_INSIG_MX_CTRL7 0x07c > #define QPHY_V5_PCS_LOCK_DETECT_CONFIG1 0x0c4 > #define QPHY_V5_PCS_LOCK_DETECT_CONFIG2 0x0c8 > #define QPHY_V5_PCS_LOCK_DETECT_CONFIG3 0x0cc > -- > 2.7.4 >
On 10/11/2023 5:06 PM, Dmitry Baryshkov wrote: > On Wed, 11 Oct 2023 at 14:19, Mrinmay Sarkar <quic_msarkar@quicinc.com> wrote: >> Add support for dual lane end point mode PHY found on sa8755p platform. >> >> Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com> >> --- >> drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 41 ++++++++++++++++++++++++++++++ >> drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h | 2 ++ >> 2 files changed, 43 insertions(+) > Two minor questions. > >> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c >> index a63ca74..962b4a1 100644 >> --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c >> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c >> @@ -2147,6 +2147,38 @@ static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x4_pcie_rc_serdes_alt_tbl[] >> QMP_PHY_INIT_CFG(QSERDES_V5_COM_CLK_SELECT, 0x34), >> }; >> >> +static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x2_pcie_ep_serdes_alt_tbl[] = { >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_BG_TIMER, 0x02), >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYS_CLK_CTRL, 0x07), >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CP_CTRL_MODE0, 0x27), >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CP_CTRL_MODE1, 0x0a), >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_RCTRL_MODE0, 0x17), >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_RCTRL_MODE1, 0x19), >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CCTRL_MODE0, 0x00), >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CCTRL_MODE1, 0x03), >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYSCLK_EN_SEL, 0x00), >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN0_MODE0, 0xfb), >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN1_MODE0, 0x01), >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN0_MODE1, 0xfb), >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN1_MODE1, 0x01), >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CMN_MODE, 0x14), > I should check whether we miss QSERDES_V5_COM_CMN_MODE in > sm8450_qmp_gen4x2_pcie_ep_serdes_tbl, which is otherwise nearly > identical. > Also do you need to set QSERDES_V5_COM_CORE_CLK_EN here? QSERDES_V5_COM_CORE_CLK_EN is common for both RC and EP so we are using it in sa8775p_qmp_gen4x2_pcie_serdes_alt_tbl -Mrinmay >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP1_MODE0, 0xff), >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP2_MODE0, 0x04), >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP1_MODE1, 0xff), >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP2_MODE1, 0x09), >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_DEC_START_MODE0, 0x19), >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_DEC_START_MODE1, 0x28), >> +}; >> + >> +static const struct qmp_phy_init_tbl sa8775p_qmp_gen4_pcie_ep_pcs_misc_tbl[] = { >> + QMP_PHY_INIT_CFG(QPHY_V5_20_PCS_PCIE_OSC_DTCT_MODE2_CONFIG5, 0x08), >> +}; > This is the same as sm8450_qmp_gen4x2_pcie_ep_pcs_misc_tbl so you want me to use sm8450_qmp_gen4x2_pcie_ep_pcs_misc_tbl instead of creating new one for sa8775? -Mrinmay >> + >> +static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x2_pcie_ep_pcs_alt_tbl[] = { >> + QMP_PHY_INIT_CFG(QPHY_V5_PCS_INSIG_MX_CTRL7, 0x00), >> + QMP_PHY_INIT_CFG(QPHY_V5_PCS_INSIG_SW_CTRL7, 0x00), >> +}; > Could you please confirm that these registers belong to the V5 > namespace rather than V5_20 one? may I know difference between V5 and V5_20 namespace can't we use V5 namespace here? -Mrinmay >> + >> struct qmp_pcie_offsets { >> u16 serdes; >> u16 pcs; >> @@ -3043,6 +3075,15 @@ static const struct qmp_phy_cfg sa8775p_qmp_gen4x2_pciephy_cfg = { >> .pcs_misc_num = ARRAY_SIZE(sa8775p_qmp_gen4_pcie_rc_pcs_misc_tbl), >> }, >> >> + .tbls_ep = &(const struct qmp_phy_cfg_tbls) { >> + .serdes = sa8775p_qmp_gen4x2_pcie_ep_serdes_alt_tbl, >> + .serdes_num = ARRAY_SIZE(sa8775p_qmp_gen4x2_pcie_ep_serdes_alt_tbl), >> + .pcs_misc = sa8775p_qmp_gen4_pcie_ep_pcs_misc_tbl, >> + .pcs_misc_num = ARRAY_SIZE(sa8775p_qmp_gen4_pcie_ep_pcs_misc_tbl), >> + .pcs = sa8775p_qmp_gen4x2_pcie_ep_pcs_alt_tbl, >> + .pcs_num = ARRAY_SIZE(sa8775p_qmp_gen4x2_pcie_ep_pcs_alt_tbl), >> + }, >> + >> .reset_list = sdm845_pciephy_reset_l, >> .num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l), >> .vreg_list = qmp_phy_vreg_l, >> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h >> index 36cc80b..6ee1c33 100644 >> --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h >> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h >> @@ -11,6 +11,8 @@ >> #define QPHY_V5_PCS_PCS_STATUS1 0x014 >> #define QPHY_V5_PCS_POWER_DOWN_CONTROL 0x040 >> #define QPHY_V5_PCS_START_CONTROL 0x044 >> +#define QPHY_V5_PCS_INSIG_SW_CTRL7 0x060 >> +#define QPHY_V5_PCS_INSIG_MX_CTRL7 0x07c >> #define QPHY_V5_PCS_LOCK_DETECT_CONFIG1 0x0c4 >> #define QPHY_V5_PCS_LOCK_DETECT_CONFIG2 0x0c8 >> #define QPHY_V5_PCS_LOCK_DETECT_CONFIG3 0x0cc >> -- >> 2.7.4 >> >
On Wed, 11 Oct 2023 at 14:56, Mrinmay Sarkar <quic_msarkar@quicinc.com> wrote: > > > On 10/11/2023 5:06 PM, Dmitry Baryshkov wrote: > > On Wed, 11 Oct 2023 at 14:19, Mrinmay Sarkar <quic_msarkar@quicinc.com> wrote: > >> Add support for dual lane end point mode PHY found on sa8755p platform. > >> > >> Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com> > >> --- > >> drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 41 ++++++++++++++++++++++++++++++ > >> drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h | 2 ++ > >> 2 files changed, 43 insertions(+) > > Two minor questions. > > > >> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c > >> index a63ca74..962b4a1 100644 > >> --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c > >> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c > >> @@ -2147,6 +2147,38 @@ static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x4_pcie_rc_serdes_alt_tbl[] > >> QMP_PHY_INIT_CFG(QSERDES_V5_COM_CLK_SELECT, 0x34), > >> }; > >> > >> +static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x2_pcie_ep_serdes_alt_tbl[] = { > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_BG_TIMER, 0x02), > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYS_CLK_CTRL, 0x07), > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CP_CTRL_MODE0, 0x27), > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CP_CTRL_MODE1, 0x0a), > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_RCTRL_MODE0, 0x17), > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_RCTRL_MODE1, 0x19), > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CCTRL_MODE0, 0x00), > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CCTRL_MODE1, 0x03), > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYSCLK_EN_SEL, 0x00), > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN0_MODE0, 0xfb), > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN1_MODE0, 0x01), > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN0_MODE1, 0xfb), > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN1_MODE1, 0x01), > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CMN_MODE, 0x14), > > I should check whether we miss QSERDES_V5_COM_CMN_MODE in > > sm8450_qmp_gen4x2_pcie_ep_serdes_tbl, which is otherwise nearly > > identical. > > Also do you need to set QSERDES_V5_COM_CORE_CLK_EN here? > QSERDES_V5_COM_CORE_CLK_EN is common for both RC and EP > so we are using it in sa8775p_qmp_gen4x2_pcie_serdes_alt_tbl > > -Mrinmay > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP1_MODE0, 0xff), > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP2_MODE0, 0x04), > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP1_MODE1, 0xff), > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP2_MODE1, 0x09), > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_DEC_START_MODE0, 0x19), > >> + QMP_PHY_INIT_CFG(QSERDES_V5_COM_DEC_START_MODE1, 0x28), > >> +}; > >> + > >> +static const struct qmp_phy_init_tbl sa8775p_qmp_gen4_pcie_ep_pcs_misc_tbl[] = { > >> + QMP_PHY_INIT_CFG(QPHY_V5_20_PCS_PCIE_OSC_DTCT_MODE2_CONFIG5, 0x08), > >> +}; > > This is the same as sm8450_qmp_gen4x2_pcie_ep_pcs_misc_tbl > > so you want me to use sm8450_qmp_gen4x2_pcie_ep_pcs_misc_tbl > instead of creating new one for sa8775? If you don't see a problem with that, yes. > > -Mrinmay > > >> + > >> +static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x2_pcie_ep_pcs_alt_tbl[] = { > >> + QMP_PHY_INIT_CFG(QPHY_V5_PCS_INSIG_MX_CTRL7, 0x00), > >> + QMP_PHY_INIT_CFG(QPHY_V5_PCS_INSIG_SW_CTRL7, 0x00), > >> +}; > > Could you please confirm that these registers belong to the V5 > > namespace rather than V5_20 one? > may I know difference between V5 and V5_20 namespace > can't we use V5 namespace here? Register names are different, see existing v5 vs v5.20 and v4 vs v4.20 headers. So, I'd kindly ask to use the appropriate namespace. > > -Mrinmay > >> + > >> struct qmp_pcie_offsets { > >> u16 serdes; > >> u16 pcs; > >> @@ -3043,6 +3075,15 @@ static const struct qmp_phy_cfg sa8775p_qmp_gen4x2_pciephy_cfg = { > >> .pcs_misc_num = ARRAY_SIZE(sa8775p_qmp_gen4_pcie_rc_pcs_misc_tbl), > >> }, > >> > >> + .tbls_ep = &(const struct qmp_phy_cfg_tbls) { > >> + .serdes = sa8775p_qmp_gen4x2_pcie_ep_serdes_alt_tbl, > >> + .serdes_num = ARRAY_SIZE(sa8775p_qmp_gen4x2_pcie_ep_serdes_alt_tbl), > >> + .pcs_misc = sa8775p_qmp_gen4_pcie_ep_pcs_misc_tbl, > >> + .pcs_misc_num = ARRAY_SIZE(sa8775p_qmp_gen4_pcie_ep_pcs_misc_tbl), > >> + .pcs = sa8775p_qmp_gen4x2_pcie_ep_pcs_alt_tbl, > >> + .pcs_num = ARRAY_SIZE(sa8775p_qmp_gen4x2_pcie_ep_pcs_alt_tbl), > >> + }, > >> + > >> .reset_list = sdm845_pciephy_reset_l, > >> .num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l), > >> .vreg_list = qmp_phy_vreg_l, > >> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h > >> index 36cc80b..6ee1c33 100644 > >> --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h > >> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h > >> @@ -11,6 +11,8 @@ > >> #define QPHY_V5_PCS_PCS_STATUS1 0x014 > >> #define QPHY_V5_PCS_POWER_DOWN_CONTROL 0x040 > >> #define QPHY_V5_PCS_START_CONTROL 0x044 > >> +#define QPHY_V5_PCS_INSIG_SW_CTRL7 0x060 > >> +#define QPHY_V5_PCS_INSIG_MX_CTRL7 0x07c > >> #define QPHY_V5_PCS_LOCK_DETECT_CONFIG1 0x0c4 > >> #define QPHY_V5_PCS_LOCK_DETECT_CONFIG2 0x0c8 > >> #define QPHY_V5_PCS_LOCK_DETECT_CONFIG3 0x0cc > >> -- > >> 2.7.4 > >> > >
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c index a63ca74..962b4a1 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c @@ -2147,6 +2147,38 @@ static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x4_pcie_rc_serdes_alt_tbl[] QMP_PHY_INIT_CFG(QSERDES_V5_COM_CLK_SELECT, 0x34), }; +static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x2_pcie_ep_serdes_alt_tbl[] = { + QMP_PHY_INIT_CFG(QSERDES_V5_COM_BG_TIMER, 0x02), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYS_CLK_CTRL, 0x07), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CP_CTRL_MODE0, 0x27), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CP_CTRL_MODE1, 0x0a), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_RCTRL_MODE0, 0x17), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_RCTRL_MODE1, 0x19), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CCTRL_MODE0, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CCTRL_MODE1, 0x03), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYSCLK_EN_SEL, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN0_MODE0, 0xfb), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN1_MODE0, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN0_MODE1, 0xfb), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN1_MODE1, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CMN_MODE, 0x14), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP1_MODE0, 0xff), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP2_MODE0, 0x04), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP1_MODE1, 0xff), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP2_MODE1, 0x09), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_DEC_START_MODE0, 0x19), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_DEC_START_MODE1, 0x28), +}; + +static const struct qmp_phy_init_tbl sa8775p_qmp_gen4_pcie_ep_pcs_misc_tbl[] = { + QMP_PHY_INIT_CFG(QPHY_V5_20_PCS_PCIE_OSC_DTCT_MODE2_CONFIG5, 0x08), +}; + +static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x2_pcie_ep_pcs_alt_tbl[] = { + QMP_PHY_INIT_CFG(QPHY_V5_PCS_INSIG_MX_CTRL7, 0x00), + QMP_PHY_INIT_CFG(QPHY_V5_PCS_INSIG_SW_CTRL7, 0x00), +}; + struct qmp_pcie_offsets { u16 serdes; u16 pcs; @@ -3043,6 +3075,15 @@ static const struct qmp_phy_cfg sa8775p_qmp_gen4x2_pciephy_cfg = { .pcs_misc_num = ARRAY_SIZE(sa8775p_qmp_gen4_pcie_rc_pcs_misc_tbl), }, + .tbls_ep = &(const struct qmp_phy_cfg_tbls) { + .serdes = sa8775p_qmp_gen4x2_pcie_ep_serdes_alt_tbl, + .serdes_num = ARRAY_SIZE(sa8775p_qmp_gen4x2_pcie_ep_serdes_alt_tbl), + .pcs_misc = sa8775p_qmp_gen4_pcie_ep_pcs_misc_tbl, + .pcs_misc_num = ARRAY_SIZE(sa8775p_qmp_gen4_pcie_ep_pcs_misc_tbl), + .pcs = sa8775p_qmp_gen4x2_pcie_ep_pcs_alt_tbl, + .pcs_num = ARRAY_SIZE(sa8775p_qmp_gen4x2_pcie_ep_pcs_alt_tbl), + }, + .reset_list = sdm845_pciephy_reset_l, .num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l), .vreg_list = qmp_phy_vreg_l, diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h index 36cc80b..6ee1c33 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h @@ -11,6 +11,8 @@ #define QPHY_V5_PCS_PCS_STATUS1 0x014 #define QPHY_V5_PCS_POWER_DOWN_CONTROL 0x040 #define QPHY_V5_PCS_START_CONTROL 0x044 +#define QPHY_V5_PCS_INSIG_SW_CTRL7 0x060 +#define QPHY_V5_PCS_INSIG_MX_CTRL7 0x07c #define QPHY_V5_PCS_LOCK_DETECT_CONFIG1 0x0c4 #define QPHY_V5_PCS_LOCK_DETECT_CONFIG2 0x0c8 #define QPHY_V5_PCS_LOCK_DETECT_CONFIG3 0x0cc
Add support for dual lane end point mode PHY found on sa8755p platform. Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com> --- drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 41 ++++++++++++++++++++++++++++++ drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h | 2 ++ 2 files changed, 43 insertions(+)