Messages in this thread | | | Date | Thu, 9 Mar 2023 15:58:22 +0530 | Subject | Re: [PATCH] phy: cadence: Sierra: Add PCIe + SGMII PHY multilink configuration | From | Siddharth Vadapalli <> |
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Hello Swapnil,
Thank you for letting me know. I wasn't aware of it.
Regards, Siddharth.
On 09/03/23 15:42, Swapnil Kashinath Jakhade wrote: > Hi Siddharth, > >> -----Original Message----- >> From: Siddharth Vadapalli <s-vadapalli@ti.com> >> Sent: Thursday, March 9, 2023 3:34 PM >> To: vkoul@kernel.org; kishon@kernel.org; lars@metafoo.de >> Cc: linux-phy@lists.infradead.org; linux-kernel@vger.kernel.org; linux-arm- >> kernel@lists.infradead.org; Swapnil Kashinath Jakhade >> <sjakhade@cadence.com>; srk@ti.com; s-vadapalli@ti.com >> Subject: [PATCH] phy: cadence: Sierra: Add PCIe + SGMII PHY multilink >> configuration >> >> EXTERNAL MAIL >> >> >> From: Swapnil Jakhade <sjakhade@cadence.com> >> >> Add register sequences for PCIe + SGMII PHY multilink configuration. >> >> Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com> >> Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com> >> --- > > I have already sent this patch for review. > https://patchwork.kernel.org/project/linux-phy/patch/20230220141216.25326-1-sjakhade@cadence.com/ > > Thanks & regards, > Swapnil > >> drivers/phy/cadence/phy-cadence-sierra.c | 141 ++++++++++++++++++++++- >> 1 file changed, 139 insertions(+), 2 deletions(-) >> >> diff --git a/drivers/phy/cadence/phy-cadence-sierra.c >> b/drivers/phy/cadence/phy-cadence-sierra.c >> index 6e86a6517f37..7c0daf3e8880 100644 >> --- a/drivers/phy/cadence/phy-cadence-sierra.c >> +++ b/drivers/phy/cadence/phy-cadence-sierra.c >> @@ -24,7 +24,7 @@ >> #include <dt-bindings/phy/phy-cadence.h> >> >> #define NUM_SSC_MODE 3 >> -#define NUM_PHY_TYPE 4 >> +#define NUM_PHY_TYPE 5 >> >> /* PHY register offsets */ >> #define SIERRA_COMMON_CDB_OFFSET 0x0 >> @@ -46,7 +46,9 @@ >> #define SIERRA_CMN_REFRCV_PREG 0x98 >> #define SIERRA_CMN_REFRCV1_PREG 0xB8 >> #define SIERRA_CMN_PLLLC1_GEN_PREG 0xC2 >> +#define SIERRA_CMN_PLLLC1_FBDIV_INT_PREG 0xC3 >> #define SIERRA_CMN_PLLLC1_LF_COEFF_MODE0_PREG 0xCA >> +#define SIERRA_CMN_PLLLC1_CLK0_PREG 0xCE >> #define SIERRA_CMN_PLLLC1_BWCAL_MODE0_PREG 0xD0 >> #define SIERRA_CMN_PLLLC1_SS_TIME_STEPSIZE_MODE_PREG 0xE2 >> >> @@ -74,6 +76,7 @@ >> #define SIERRA_PSC_RX_A1_PREG 0x031 >> #define SIERRA_PSC_RX_A2_PREG 0x032 >> #define SIERRA_PSC_RX_A3_PREG 0x033 >> +#define SIERRA_PLLCTRL_FBDIV_MODE01_PREG 0x039 >> #define SIERRA_PLLCTRL_SUBRATE_PREG 0x03A >> #define SIERRA_PLLCTRL_GEN_A_PREG 0x03B >> #define SIERRA_PLLCTRL_GEN_D_PREG 0x03E >> @@ -298,6 +301,7 @@ enum cdns_sierra_phy_type { >> TYPE_NONE, >> TYPE_PCIE, >> TYPE_USB, >> + TYPE_SGMII, >> TYPE_QSGMII >> }; >> >> @@ -936,6 +940,9 @@ static int cdns_sierra_get_optional(struct >> cdns_sierra_inst *inst, >> case PHY_TYPE_USB3: >> inst->phy_type = TYPE_USB; >> break; >> + case PHY_TYPE_SGMII: >> + inst->phy_type = TYPE_SGMII; >> + break; >> case PHY_TYPE_QSGMII: >> inst->phy_type = TYPE_QSGMII; >> break; >> @@ -1339,7 +1346,7 @@ static int >> cdns_sierra_phy_configure_multilink(struct cdns_sierra_phy *sp) >> } >> } >> >> - if (phy_t1 == TYPE_QSGMII) >> + if (phy_t1 == TYPE_SGMII || phy_t1 == TYPE_QSGMII) >> reset_control_deassert(sp->phys[node].lnk_rst); >> } >> >> @@ -1537,6 +1544,71 @@ static int cdns_sierra_phy_remove(struct >> platform_device *pdev) >> return 0; >> } >> >> +/* SGMII PHY PMA lane configuration */ >> +static struct cdns_reg_pairs sgmii_phy_pma_ln_regs[] = { >> + {0x9010, SIERRA_PHY_PMA_XCVR_CTRL} >> +}; >> + >> +static struct cdns_sierra_vals sgmii_phy_pma_ln_vals = { >> + .reg_pairs = sgmii_phy_pma_ln_regs, >> + .num_regs = ARRAY_SIZE(sgmii_phy_pma_ln_regs), >> +}; >> + >> +/* SGMII refclk 100MHz, no ssc, opt3 and GE1 links using PLL LC1 */ >> +static const struct cdns_reg_pairs >> sgmii_100_no_ssc_plllc1_opt3_cmn_regs[] = { >> + {0x002D, SIERRA_CMN_PLLLC1_FBDIV_INT_PREG}, >> + {0x2085, SIERRA_CMN_PLLLC1_LF_COEFF_MODE0_PREG}, >> + {0x1005, SIERRA_CMN_PLLLC1_CLK0_PREG}, >> + {0x0000, SIERRA_CMN_PLLLC1_BWCAL_MODE0_PREG}, >> + {0x0800, SIERRA_CMN_PLLLC1_SS_TIME_STEPSIZE_MODE_PREG} >> +}; >> + >> +static const struct cdns_reg_pairs sgmii_100_no_ssc_plllc1_opt3_ln_regs[] = >> { >> + {0x688E, SIERRA_DET_STANDEC_D_PREG}, >> + {0x0004, SIERRA_PSC_LN_IDLE_PREG}, >> + {0x0FFE, SIERRA_PSC_RX_A0_PREG}, >> + {0x0106, SIERRA_PLLCTRL_FBDIV_MODE01_PREG}, >> + {0x0013, SIERRA_PLLCTRL_SUBRATE_PREG}, >> + {0x0003, SIERRA_PLLCTRL_GEN_A_PREG}, >> + {0x0106, SIERRA_PLLCTRL_GEN_D_PREG}, >> + {0x5231, SIERRA_PLLCTRL_CPGAIN_MODE_PREG }, >> + {0x0000, SIERRA_DRVCTRL_ATTEN_PREG}, >> + {0x9702, SIERRA_DRVCTRL_BOOST_PREG}, >> + {0x0051, SIERRA_RX_CREQ_FLTR_A_MODE0_PREG}, >> + {0x3C0E, SIERRA_CREQ_CCLKDET_MODE01_PREG}, >> + {0x3220, SIERRA_CREQ_FSMCLK_SEL_PREG}, >> + {0x0000, SIERRA_CREQ_EQ_CTRL_PREG}, >> + {0x0002, SIERRA_DEQ_PHALIGN_CTRL}, >> + {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}, >> + {0x0000, 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 sgmii_100_no_ssc_plllc1_opt3_cmn_vals = { >> + .reg_pairs = sgmii_100_no_ssc_plllc1_opt3_cmn_regs, >> + .num_regs = ARRAY_SIZE(sgmii_100_no_ssc_plllc1_opt3_cmn_regs), >> +}; >> + >> +static struct cdns_sierra_vals sgmii_100_no_ssc_plllc1_opt3_ln_vals = { >> + .reg_pairs = sgmii_100_no_ssc_plllc1_opt3_ln_regs, >> + .num_regs = ARRAY_SIZE(sgmii_100_no_ssc_plllc1_opt3_ln_regs), >> +}; >> + >> /* QSGMII PHY PMA lane configuration */ >> static struct cdns_reg_pairs qsgmii_phy_pma_ln_regs[] = { >> {0x9010, SIERRA_PHY_PMA_XCVR_CTRL} >> @@ -2363,6 +2435,11 @@ static const struct cdns_sierra_data >> cdns_map_sierra = { >> [EXTERNAL_SSC] = &pcie_phy_pcs_cmn_vals, >> [INTERNAL_SSC] = &pcie_phy_pcs_cmn_vals, >> }, >> + [TYPE_SGMII] = { >> + [NO_SSC] = &pcie_phy_pcs_cmn_vals, >> + [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, >> @@ -2377,6 +2454,11 @@ 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_SGMII] = { >> + [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_QSGMII] = { >> [NO_SSC] = >> &pcie_100_no_ssc_plllc_cmn_vals, >> [EXTERNAL_SSC] = >> &pcie_100_ext_ssc_plllc_cmn_vals, >> @@ -2388,6 +2470,13 @@ static const struct cdns_sierra_data >> cdns_map_sierra = { >> [EXTERNAL_SSC] = >> &usb_100_ext_ssc_cmn_vals, >> }, >> }, >> + [TYPE_SGMII] = { >> + [TYPE_PCIE] = { >> + [NO_SSC] = >> &sgmii_100_no_ssc_plllc1_opt3_cmn_vals, >> + [EXTERNAL_SSC] = >> &sgmii_100_no_ssc_plllc1_opt3_cmn_vals, >> + [INTERNAL_SSC] = >> &sgmii_100_no_ssc_plllc1_opt3_cmn_vals, >> + }, >> + }, >> [TYPE_QSGMII] = { >> [TYPE_PCIE] = { >> [NO_SSC] = >> &qsgmii_100_no_ssc_plllc1_cmn_vals, >> @@ -2403,6 +2492,11 @@ static const struct cdns_sierra_data >> cdns_map_sierra = { >> [EXTERNAL_SSC] = &pcie_100_ext_ssc_ln_vals, >> [INTERNAL_SSC] = &pcie_100_int_ssc_ln_vals, >> }, >> + [TYPE_SGMII] = { >> + [NO_SSC] = &ml_pcie_100_no_ssc_ln_vals, >> + [EXTERNAL_SSC] = >> &ml_pcie_100_ext_ssc_ln_vals, >> + [INTERNAL_SSC] = >> &ml_pcie_100_int_ssc_ln_vals, >> + }, >> [TYPE_QSGMII] = { >> [NO_SSC] = &ml_pcie_100_no_ssc_ln_vals, >> [EXTERNAL_SSC] = >> &ml_pcie_100_ext_ssc_ln_vals, >> @@ -2414,6 +2508,13 @@ static const struct cdns_sierra_data >> cdns_map_sierra = { >> [EXTERNAL_SSC] = &usb_100_ext_ssc_ln_vals, >> }, >> }, >> + [TYPE_SGMII] = { >> + [TYPE_PCIE] = { >> + [NO_SSC] = >> &sgmii_100_no_ssc_plllc1_opt3_ln_vals, >> + [EXTERNAL_SSC] = >> &sgmii_100_no_ssc_plllc1_opt3_ln_vals, >> + [INTERNAL_SSC] = >> &sgmii_100_no_ssc_plllc1_opt3_ln_vals, >> + }, >> + }, >> [TYPE_QSGMII] = { >> [TYPE_PCIE] = { >> [NO_SSC] = >> &qsgmii_100_no_ssc_plllc1_ln_vals, >> @@ -2435,6 +2536,11 @@ static const struct cdns_sierra_data >> cdns_ti_map_sierra = { >> [EXTERNAL_SSC] = &pcie_phy_pcs_cmn_vals, >> [INTERNAL_SSC] = &pcie_phy_pcs_cmn_vals, >> }, >> + [TYPE_SGMII] = { >> + [NO_SSC] = &pcie_phy_pcs_cmn_vals, >> + [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, >> @@ -2443,6 +2549,13 @@ static const struct cdns_sierra_data >> cdns_ti_map_sierra = { >> }, >> }, >> .phy_pma_ln_vals = { >> + [TYPE_SGMII] = { >> + [TYPE_PCIE] = { >> + [NO_SSC] = &sgmii_phy_pma_ln_vals, >> + [EXTERNAL_SSC] = &sgmii_phy_pma_ln_vals, >> + [INTERNAL_SSC] = &sgmii_phy_pma_ln_vals, >> + }, >> + }, >> [TYPE_QSGMII] = { >> [TYPE_PCIE] = { >> [NO_SSC] = &qsgmii_phy_pma_ln_vals, >> @@ -2458,6 +2571,11 @@ static const struct cdns_sierra_data >> cdns_ti_map_sierra = { >> [EXTERNAL_SSC] = >> &pcie_100_ext_ssc_cmn_vals, >> [INTERNAL_SSC] = >> &pcie_100_int_ssc_cmn_vals, >> }, >> + [TYPE_SGMII] = { >> + [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_QSGMII] = { >> [NO_SSC] = >> &pcie_100_no_ssc_plllc_cmn_vals, >> [EXTERNAL_SSC] = >> &pcie_100_ext_ssc_plllc_cmn_vals, >> @@ -2469,6 +2587,13 @@ static const struct cdns_sierra_data >> cdns_ti_map_sierra = { >> [EXTERNAL_SSC] = >> &usb_100_ext_ssc_cmn_vals, >> }, >> }, >> + [TYPE_SGMII] = { >> + [TYPE_PCIE] = { >> + [NO_SSC] = >> &sgmii_100_no_ssc_plllc1_opt3_cmn_vals, >> + [EXTERNAL_SSC] = >> &sgmii_100_no_ssc_plllc1_opt3_cmn_vals, >> + [INTERNAL_SSC] = >> &sgmii_100_no_ssc_plllc1_opt3_cmn_vals, >> + }, >> + }, >> [TYPE_QSGMII] = { >> [TYPE_PCIE] = { >> [NO_SSC] = >> &qsgmii_100_no_ssc_plllc1_cmn_vals, >> @@ -2484,6 +2609,11 @@ static const struct cdns_sierra_data >> cdns_ti_map_sierra = { >> [EXTERNAL_SSC] = &pcie_100_ext_ssc_ln_vals, >> [INTERNAL_SSC] = &pcie_100_int_ssc_ln_vals, >> }, >> + [TYPE_SGMII] = { >> + [NO_SSC] = &ti_ml_pcie_100_no_ssc_ln_vals, >> + [EXTERNAL_SSC] = >> &ti_ml_pcie_100_ext_ssc_ln_vals, >> + [INTERNAL_SSC] = >> &ti_ml_pcie_100_int_ssc_ln_vals, >> + }, >> [TYPE_QSGMII] = { >> [NO_SSC] = &ti_ml_pcie_100_no_ssc_ln_vals, >> [EXTERNAL_SSC] = >> &ti_ml_pcie_100_ext_ssc_ln_vals, >> @@ -2495,6 +2625,13 @@ static const struct cdns_sierra_data >> cdns_ti_map_sierra = { >> [EXTERNAL_SSC] = &usb_100_ext_ssc_ln_vals, >> }, >> }, >> + [TYPE_SGMII] = { >> + [TYPE_PCIE] = { >> + [NO_SSC] = >> &sgmii_100_no_ssc_plllc1_opt3_ln_vals, >> + [EXTERNAL_SSC] = >> &sgmii_100_no_ssc_plllc1_opt3_ln_vals, >> + [INTERNAL_SSC] = >> &sgmii_100_no_ssc_plllc1_opt3_ln_vals, >> + }, >> + }, >> [TYPE_QSGMII] = { >> [TYPE_PCIE] = { >> [NO_SSC] = >> &qsgmii_100_no_ssc_plllc1_ln_vals, >> -- >> 2.25.1 >
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