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author | Swapnil Jakhade <sjakhade@cadence.com> | 2020-09-17 09:30:44 +0200 |
---|---|---|
committer | Vinod Koul <vkoul@kernel.org> | 2020-09-18 10:47:21 +0530 |
commit | 9855d84b6bb1969e45c90d8ed82235a868b99cb6 (patch) | |
tree | 16449fcc83e0283bcee617181a1a186160a828c9 /drivers/phy | |
parent | 9f33b76a35999a20dcea634639b88cf9d486ec9e (diff) | |
download | linux-stable-9855d84b6bb1969e45c90d8ed82235a868b99cb6.tar.gz linux-stable-9855d84b6bb1969e45c90d8ed82235a868b99cb6.tar.bz2 linux-stable-9855d84b6bb1969e45c90d8ed82235a868b99cb6.zip |
phy: cadence-torrent: Add single link USB register sequences
Add support for single link USB configuration.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Link: https://lore.kernel.org/r/1600327846-9733-12-git-send-email-sjakhade@cadence.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/phy')
-rw-r--r-- | drivers/phy/cadence/phy-cadence-torrent.c | 260 |
1 files changed, 259 insertions, 1 deletions
diff --git a/drivers/phy/cadence/phy-cadence-torrent.c b/drivers/phy/cadence/phy-cadence-torrent.c index 844ec0ee8c66..3758c4b183af 100644 --- a/drivers/phy/cadence/phy-cadence-torrent.c +++ b/drivers/phy/cadence/phy-cadence-torrent.c @@ -29,7 +29,7 @@ #define DEFAULT_MAX_BIT_RATE 8100 /* in Mbps */ #define NUM_SSC_MODE 3 -#define NUM_PHY_TYPE 5 +#define NUM_PHY_TYPE 6 #define POLL_TIMEOUT_US 5000 #define PLL_LOCK_TIMEOUT 100000 @@ -82,6 +82,8 @@ #define CMN_PLLSM0_PLLLOCK_TMR 0x002CU #define CMN_PLLSM1_PLLPRE_TMR 0x0032U #define CMN_PLLSM1_PLLLOCK_TMR 0x0034U +#define CMN_CDIAG_CDB_PWRI_OVRD 0x0041U +#define CMN_CDIAG_XCVRC_PWRI_OVRD 0x0047U #define CMN_BGCAL_INIT_TMR 0x0064U #define CMN_BGCAL_ITER_TMR 0x0065U #define CMN_IBCAL_INIT_TMR 0x0074U @@ -159,13 +161,16 @@ /* PMA TX Lane registers */ #define TX_TXCC_CTRL 0x0040U #define TX_TXCC_CPOST_MULT_00 0x004CU +#define TX_TXCC_CPOST_MULT_01 0x004DU #define TX_TXCC_MGNFS_MULT_000 0x0050U #define DRV_DIAG_TX_DRV 0x00C6U #define XCVR_DIAG_PLLDRC_CTRL 0x00E5U #define XCVR_DIAG_HSCLK_SEL 0x00E6U #define XCVR_DIAG_HSCLK_DIV 0x00E7U #define XCVR_DIAG_BIDI_CTRL 0x00EAU +#define XCVR_DIAG_PSC_OVRD 0x00EBU #define TX_PSC_A0 0x0100U +#define TX_PSC_A1 0x0101U #define TX_PSC_A2 0x0102U #define TX_PSC_A3 0x0103U #define TX_RCVDET_ST_TMR 0x0123U @@ -174,27 +179,37 @@ /* PMA RX Lane registers */ #define RX_PSC_A0 0x0000U +#define RX_PSC_A1 0x0001U #define RX_PSC_A2 0x0002U #define RX_PSC_A3 0x0003U #define RX_PSC_CAL 0x0006U #define RX_CDRLF_CNFG 0x0080U +#define RX_CDRLF_CNFG3 0x0082U +#define RX_SIGDET_HL_FILT_TMR 0x0090U #define RX_REE_GCSM1_CTRL 0x0108U #define RX_REE_GCSM1_EQENM_PH1 0x0109U #define RX_REE_GCSM1_EQENM_PH2 0x010AU #define RX_REE_GCSM2_CTRL 0x0110U #define RX_REE_PERGCSM_CTRL 0x0118U +#define RX_REE_ATTEN_THR 0x0149U #define RX_REE_TAP1_CLIP 0x0171U #define RX_REE_TAP2TON_CLIP 0x0172U +#define RX_REE_SMGM_CTRL1 0x0177U +#define RX_REE_SMGM_CTRL2 0x0178U #define RX_DIAG_DFE_CTRL 0x01E0U #define RX_DIAG_DFE_AMP_TUNE_2 0x01E2U #define RX_DIAG_DFE_AMP_TUNE_3 0x01E3U #define RX_DIAG_NQST_CTRL 0x01E5U +#define RX_DIAG_SIGDET_TUNE 0x01E8U #define RX_DIAG_PI_RATE 0x01F4U #define RX_DIAG_PI_CAP 0x01F5U #define RX_DIAG_ACYA 0x01FFU /* PHY PCS common registers */ #define PHY_PLL_CFG 0x000EU +#define PHY_PIPE_USB3_GEN2_PRE_CFG0 0x0020U +#define PHY_PIPE_USB3_GEN2_POST_CFG0 0x0022U +#define PHY_PIPE_USB3_GEN2_POST_CFG1 0x0023U /* PHY PMA common registers */ #define PHY_PMA_CMN_CTRL1 0x0000U @@ -222,6 +237,7 @@ enum cdns_torrent_phy_type { TYPE_PCIE, TYPE_SGMII, TYPE_QSGMII, + TYPE_USB, }; enum cdns_torrent_ssc_mode { @@ -327,6 +343,8 @@ struct cdns_torrent_data { [NUM_SSC_MODE]; struct cdns_torrent_vals *xcvr_diag_vals[NUM_PHY_TYPE][NUM_PHY_TYPE] [NUM_SSC_MODE]; + struct cdns_torrent_vals *pcs_cmn_vals[NUM_PHY_TYPE][NUM_PHY_TYPE] + [NUM_SSC_MODE]; struct cdns_torrent_vals *cmn_vals[NUM_PHY_TYPE][NUM_PHY_TYPE] [NUM_SSC_MODE]; struct cdns_torrent_vals *tx_ln_vals[NUM_PHY_TYPE][NUM_PHY_TYPE] @@ -1813,6 +1831,7 @@ static int cdns_torrent_phy_init(struct phy *phy) struct cdns_torrent_inst *inst = phy_get_drvdata(phy); enum cdns_torrent_phy_type phy_type = inst->phy_type; enum cdns_torrent_ssc_mode ssc = inst->ssc_mode; + struct cdns_torrent_vals *pcs_cmn_vals; struct cdns_reg_pairs *reg_pairs; struct regmap *regmap; u32 num_regs; @@ -1861,6 +1880,17 @@ static int cdns_torrent_phy_init(struct phy *phy) } } + /* PHY PCS common registers configurations */ + pcs_cmn_vals = init_data->pcs_cmn_vals[phy_type][TYPE_NONE][ssc]; + if (pcs_cmn_vals) { + reg_pairs = pcs_cmn_vals->reg_pairs; + num_regs = pcs_cmn_vals->num_regs; + regmap = cdns_phy->regmap_phy_pcs_common_cdb; + for (i = 0; i < num_regs; i++) + regmap_write(regmap, reg_pairs[i].off, + reg_pairs[i].val); + } + /* PMA common registers configurations */ cmn_vals = init_data->cmn_vals[phy_type][TYPE_NONE][ssc]; if (cmn_vals) { @@ -2152,6 +2182,9 @@ static int cdns_torrent_phy_probe(struct platform_device *pdev) case PHY_TYPE_QSGMII: cdns_phy->phys[node].phy_type = TYPE_QSGMII; break; + case PHY_TYPE_USB3: + cdns_phy->phys[node].phy_type = TYPE_USB; + break; default: dev_err(dev, "Unsupported protocol\n"); ret = -EINVAL; @@ -2298,6 +2331,143 @@ static int cdns_torrent_phy_remove(struct platform_device *pdev) return 0; } +/* Single USB link configuration */ +static struct cdns_reg_pairs sl_usb_link_cmn_regs[] = { + {0x0000, PHY_PLL_CFG}, + {0x8600, CMN_PDIAG_PLL0_CLK_SEL_M0} +}; + +static struct cdns_reg_pairs sl_usb_xcvr_diag_ln_regs[] = { + {0x0000, XCVR_DIAG_HSCLK_SEL}, + {0x0001, XCVR_DIAG_HSCLK_DIV}, + {0x0041, XCVR_DIAG_PLLDRC_CTRL} +}; + +static struct cdns_torrent_vals sl_usb_link_cmn_vals = { + .reg_pairs = sl_usb_link_cmn_regs, + .num_regs = ARRAY_SIZE(sl_usb_link_cmn_regs), +}; + +static struct cdns_torrent_vals sl_usb_xcvr_diag_ln_vals = { + .reg_pairs = sl_usb_xcvr_diag_ln_regs, + .num_regs = ARRAY_SIZE(sl_usb_xcvr_diag_ln_regs), +}; + +/* USB PHY PCS common configuration */ +static struct cdns_reg_pairs usb_phy_pcs_cmn_regs[] = { + {0x0A0A, PHY_PIPE_USB3_GEN2_PRE_CFG0}, + {0x1000, PHY_PIPE_USB3_GEN2_POST_CFG0}, + {0x0010, PHY_PIPE_USB3_GEN2_POST_CFG1} +}; + +static struct cdns_torrent_vals usb_phy_pcs_cmn_vals = { + .reg_pairs = usb_phy_pcs_cmn_regs, + .num_regs = ARRAY_SIZE(usb_phy_pcs_cmn_regs), +}; + +/* USB 100 MHz Ref clk, no SSC */ +static struct cdns_reg_pairs usb_100_no_ssc_cmn_regs[] = { + {0x0003, CMN_PLL0_VCOCAL_TCTRL}, + {0x0003, CMN_PLL1_VCOCAL_TCTRL}, + {0x8200, CMN_CDIAG_CDB_PWRI_OVRD}, + {0x8200, CMN_CDIAG_XCVRC_PWRI_OVRD} +}; + +static struct cdns_reg_pairs usb_100_no_ssc_tx_ln_regs[] = { + {0x02FF, TX_PSC_A0}, + {0x06AF, TX_PSC_A1}, + {0x06AE, TX_PSC_A2}, + {0x06AE, TX_PSC_A3}, + {0x2A82, TX_TXCC_CTRL}, + {0x0014, TX_TXCC_CPOST_MULT_01}, + {0x0003, XCVR_DIAG_PSC_OVRD} +}; + +static struct cdns_reg_pairs usb_100_no_ssc_rx_ln_regs[] = { + {0x0D1D, RX_PSC_A0}, + {0x0D1D, RX_PSC_A1}, + {0x0D00, RX_PSC_A2}, + {0x0500, RX_PSC_A3}, + {0x0013, RX_SIGDET_HL_FILT_TMR}, + {0x0000, RX_REE_GCSM1_CTRL}, + {0x0C02, RX_REE_ATTEN_THR}, + {0x0330, RX_REE_SMGM_CTRL1}, + {0x0300, RX_REE_SMGM_CTRL2}, + {0x0019, RX_REE_TAP1_CLIP}, + {0x0019, RX_REE_TAP2TON_CLIP}, + {0x1004, RX_DIAG_SIGDET_TUNE}, + {0x00F9, RX_DIAG_NQST_CTRL}, + {0x0C01, RX_DIAG_DFE_AMP_TUNE_2}, + {0x0002, RX_DIAG_DFE_AMP_TUNE_3}, + {0x0000, RX_DIAG_PI_CAP}, + {0x0031, RX_DIAG_PI_RATE}, + {0x0001, RX_DIAG_ACYA}, + {0x018C, RX_CDRLF_CNFG}, + {0x0003, RX_CDRLF_CNFG3} +}; + +static struct cdns_torrent_vals usb_100_no_ssc_cmn_vals = { + .reg_pairs = usb_100_no_ssc_cmn_regs, + .num_regs = ARRAY_SIZE(usb_100_no_ssc_cmn_regs), +}; + +static struct cdns_torrent_vals usb_100_no_ssc_tx_ln_vals = { + .reg_pairs = usb_100_no_ssc_tx_ln_regs, + .num_regs = ARRAY_SIZE(usb_100_no_ssc_tx_ln_regs), +}; + +static struct cdns_torrent_vals usb_100_no_ssc_rx_ln_vals = { + .reg_pairs = usb_100_no_ssc_rx_ln_regs, + .num_regs = ARRAY_SIZE(usb_100_no_ssc_rx_ln_regs), +}; + +/* Single link USB, 100 MHz Ref clk, internal SSC */ +static struct cdns_reg_pairs sl_usb_100_int_ssc_cmn_regs[] = { + {0x0004, CMN_PLL0_DSM_DIAG_M0}, + {0x0004, CMN_PLL1_DSM_DIAG_M0}, + {0x0509, CMN_PDIAG_PLL0_CP_PADJ_M0}, + {0x0509, CMN_PDIAG_PLL1_CP_PADJ_M0}, + {0x0F00, CMN_PDIAG_PLL0_CP_IADJ_M0}, + {0x0F00, CMN_PDIAG_PLL1_CP_IADJ_M0}, + {0x0F08, CMN_PDIAG_PLL0_FILT_PADJ_M0}, + {0x0F08, CMN_PDIAG_PLL1_FILT_PADJ_M0}, + {0x0064, CMN_PLL0_INTDIV_M0}, + {0x0064, CMN_PLL1_INTDIV_M0}, + {0x0002, CMN_PLL0_FRACDIVH_M0}, + {0x0002, CMN_PLL1_FRACDIVH_M0}, + {0x0044, CMN_PLL0_HIGH_THR_M0}, + {0x0044, CMN_PLL1_HIGH_THR_M0}, + {0x0002, CMN_PDIAG_PLL0_CTRL_M0}, + {0x0002, CMN_PDIAG_PLL1_CTRL_M0}, + {0x0001, CMN_PLL0_SS_CTRL1_M0}, + {0x0001, CMN_PLL1_SS_CTRL1_M0}, + {0x011B, CMN_PLL0_SS_CTRL2_M0}, + {0x011B, CMN_PLL1_SS_CTRL2_M0}, + {0x006E, CMN_PLL0_SS_CTRL3_M0}, + {0x006E, CMN_PLL1_SS_CTRL3_M0}, + {0x000E, CMN_PLL0_SS_CTRL4_M0}, + {0x000E, CMN_PLL1_SS_CTRL4_M0}, + {0x0C5E, CMN_PLL0_VCOCAL_REFTIM_START}, + {0x0C5E, CMN_PLL1_VCOCAL_REFTIM_START}, + {0x0C56, CMN_PLL0_VCOCAL_PLLCNT_START}, + {0x0C56, CMN_PLL1_VCOCAL_PLLCNT_START}, + {0x0003, CMN_PLL0_VCOCAL_TCTRL}, + {0x0003, CMN_PLL1_VCOCAL_TCTRL}, + {0x00C7, CMN_PLL0_LOCK_REFCNT_START}, + {0x00C7, CMN_PLL1_LOCK_REFCNT_START}, + {0x00C7, CMN_PLL0_LOCK_PLLCNT_START}, + {0x00C7, CMN_PLL1_LOCK_PLLCNT_START}, + {0x0005, CMN_PLL0_LOCK_PLLCNT_THR}, + {0x0005, CMN_PLL1_LOCK_PLLCNT_THR}, + {0x8200, CMN_CDIAG_CDB_PWRI_OVRD}, + {0x8200, CMN_CDIAG_XCVRC_PWRI_OVRD} +}; + +static struct cdns_torrent_vals sl_usb_100_int_ssc_cmn_vals = { + .reg_pairs = sl_usb_100_int_ssc_cmn_regs, + .num_regs = ARRAY_SIZE(sl_usb_100_int_ssc_cmn_regs), +}; + /* PCIe and SGMII/QSGMII Unique SSC link configuration */ static struct cdns_reg_pairs pcie_sgmii_link_cmn_regs[] = { {0x0003, PHY_PLL_CFG}, @@ -2746,6 +2916,13 @@ static const struct cdns_torrent_data cdns_map_torrent = { [INTERNAL_SSC] = &pcie_sgmii_link_cmn_vals, }, }, + [TYPE_USB] = { + [TYPE_NONE] = { + [NO_SSC] = &sl_usb_link_cmn_vals, + [EXTERNAL_SSC] = &sl_usb_link_cmn_vals, + [INTERNAL_SSC] = &sl_usb_link_cmn_vals, + }, + }, }, .xcvr_diag_vals = { [TYPE_PCIE] = { @@ -2785,6 +2962,22 @@ static const struct cdns_torrent_data cdns_map_torrent = { [INTERNAL_SSC] = &sgmii_pcie_xcvr_diag_ln_vals, }, }, + [TYPE_USB] = { + [TYPE_NONE] = { + [NO_SSC] = &sl_usb_xcvr_diag_ln_vals, + [EXTERNAL_SSC] = &sl_usb_xcvr_diag_ln_vals, + [INTERNAL_SSC] = &sl_usb_xcvr_diag_ln_vals, + }, + }, + }, + .pcs_cmn_vals = { + [TYPE_USB] = { + [TYPE_NONE] = { + [NO_SSC] = &usb_phy_pcs_cmn_vals, + [EXTERNAL_SSC] = &usb_phy_pcs_cmn_vals, + [INTERNAL_SSC] = &usb_phy_pcs_cmn_vals, + }, + }, }, .cmn_vals = { [TYPE_PCIE] = { @@ -2824,6 +3017,13 @@ static const struct cdns_torrent_data cdns_map_torrent = { [INTERNAL_SSC] = &qsgmii_100_int_ssc_cmn_vals, }, }, + [TYPE_USB] = { + [TYPE_NONE] = { + [NO_SSC] = &usb_100_no_ssc_cmn_vals, + [EXTERNAL_SSC] = &usb_100_no_ssc_cmn_vals, + [INTERNAL_SSC] = &sl_usb_100_int_ssc_cmn_vals, + }, + }, }, .tx_ln_vals = { [TYPE_PCIE] = { @@ -2863,6 +3063,13 @@ static const struct cdns_torrent_data cdns_map_torrent = { [INTERNAL_SSC] = &qsgmii_100_no_ssc_tx_ln_vals, }, }, + [TYPE_USB] = { + [TYPE_NONE] = { + [NO_SSC] = &usb_100_no_ssc_tx_ln_vals, + [EXTERNAL_SSC] = &usb_100_no_ssc_tx_ln_vals, + [INTERNAL_SSC] = &usb_100_no_ssc_tx_ln_vals, + }, + }, }, .rx_ln_vals = { [TYPE_PCIE] = { @@ -2902,6 +3109,13 @@ static const struct cdns_torrent_data cdns_map_torrent = { [INTERNAL_SSC] = &qsgmii_100_no_ssc_rx_ln_vals, }, }, + [TYPE_USB] = { + [TYPE_NONE] = { + [NO_SSC] = &usb_100_no_ssc_rx_ln_vals, + [EXTERNAL_SSC] = &usb_100_no_ssc_rx_ln_vals, + [INTERNAL_SSC] = &usb_100_no_ssc_rx_ln_vals, + }, + }, }, }; @@ -2946,6 +3160,13 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = { [INTERNAL_SSC] = &pcie_sgmii_link_cmn_vals, }, }, + [TYPE_USB] = { + [TYPE_NONE] = { + [NO_SSC] = &sl_usb_link_cmn_vals, + [EXTERNAL_SSC] = &sl_usb_link_cmn_vals, + [INTERNAL_SSC] = &sl_usb_link_cmn_vals, + }, + }, }, .xcvr_diag_vals = { [TYPE_PCIE] = { @@ -2985,6 +3206,22 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = { [INTERNAL_SSC] = &sgmii_pcie_xcvr_diag_ln_vals, }, }, + [TYPE_USB] = { + [TYPE_NONE] = { + [NO_SSC] = &sl_usb_xcvr_diag_ln_vals, + [EXTERNAL_SSC] = &sl_usb_xcvr_diag_ln_vals, + [INTERNAL_SSC] = &sl_usb_xcvr_diag_ln_vals, + }, + }, + }, + .pcs_cmn_vals = { + [TYPE_USB] = { + [TYPE_NONE] = { + [NO_SSC] = &usb_phy_pcs_cmn_vals, + [EXTERNAL_SSC] = &usb_phy_pcs_cmn_vals, + [INTERNAL_SSC] = &usb_phy_pcs_cmn_vals, + }, + }, }, .cmn_vals = { [TYPE_PCIE] = { @@ -3024,6 +3261,13 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = { [INTERNAL_SSC] = &qsgmii_100_int_ssc_cmn_vals, }, }, + [TYPE_USB] = { + [TYPE_NONE] = { + [NO_SSC] = &usb_100_no_ssc_cmn_vals, + [EXTERNAL_SSC] = &usb_100_no_ssc_cmn_vals, + [INTERNAL_SSC] = &sl_usb_100_int_ssc_cmn_vals, + }, + }, }, .tx_ln_vals = { [TYPE_PCIE] = { @@ -3063,6 +3307,13 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = { [INTERNAL_SSC] = &qsgmii_100_no_ssc_tx_ln_vals, }, }, + [TYPE_USB] = { + [TYPE_NONE] = { + [NO_SSC] = &usb_100_no_ssc_tx_ln_vals, + [EXTERNAL_SSC] = &usb_100_no_ssc_tx_ln_vals, + [INTERNAL_SSC] = &usb_100_no_ssc_tx_ln_vals, + }, + }, }, .rx_ln_vals = { [TYPE_PCIE] = { @@ -3102,6 +3353,13 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = { [INTERNAL_SSC] = &qsgmii_100_no_ssc_rx_ln_vals, }, }, + [TYPE_USB] = { + [TYPE_NONE] = { + [NO_SSC] = &usb_100_no_ssc_rx_ln_vals, + [EXTERNAL_SSC] = &usb_100_no_ssc_rx_ln_vals, + [INTERNAL_SSC] = &usb_100_no_ssc_rx_ln_vals, + }, + }, }, }; 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