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| author |   Swapnil Jakhade <sjakhade@cadence.com> | 2020-09-17 09:30:43 +0200 |
|---|---|---|
| committer |   Vinod Koul <vkoul@kernel.org> | 2020-09-18 10:47:21 +0530 |
| commit | 9f33b76a35999a20dcea634639b88cf9d486ec9e (patch) | |
| tree | 6527df5f83e2689235ddf8b412b65a1a8bab0fb2 /drivers/phy | |
| parent | phy: cadence-torrent: Configure PHY_PLL_CFG as part of link_cmn_vals (diff) | |
| download | linux-dev-9f33b76a35999a20dcea634639b88cf9d486ec9e.tar.xz linux-dev-9f33b76a35999a20dcea634639b88cf9d486ec9e.zip | |
phy: cadence-torrent: Add single link SGMII/QSGMII register sequences
Add support for single link SGMII/QSGMII configuration.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Link: https://lore.kernel.org/r/1600327846-9733-11-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 | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/phy/cadence/phy-cadence-torrent.c b/drivers/phy/cadence/phy-cadence-torrent.c index 0c4abe959f19..844ec0ee8c66 100644 --- a/drivers/phy/cadence/phy-cadence-torrent.c +++ b/drivers/phy/cadence/phy-cadence-torrent.c @@ -1824,6 +1824,13 @@ static int cdns_torrent_phy_init(struct phy *phy) if (phy_type == TYPE_DP) return cdns_torrent_dp_init(phy); + /** + * Spread spectrum generation is not required or supported + * for SGMII/QSGMII + */ + if (phy_type == TYPE_SGMII || phy_type == TYPE_QSGMII) + ssc = NO_SSC; + /* PHY configuration specific registers for single link */ link_cmn_vals = init_data->link_cmn_vals[phy_type][TYPE_NONE][ssc]; if (link_cmn_vals) { @@ -2540,6 +2547,28 @@ static struct cdns_torrent_vals qsgmii_100_int_ssc_cmn_vals = { .num_regs = ARRAY_SIZE(qsgmii_100_int_ssc_cmn_regs), }; +/* Single SGMII/QSGMII link configuration */ +static struct cdns_reg_pairs sl_sgmii_link_cmn_regs[] = { + {0x0000, PHY_PLL_CFG}, + {0x0601, CMN_PDIAG_PLL0_CLK_SEL_M0} +}; + +static struct cdns_reg_pairs sl_sgmii_xcvr_diag_ln_regs[] = { + {0x0000, XCVR_DIAG_HSCLK_SEL}, + {0x0003, XCVR_DIAG_HSCLK_DIV}, + {0x0013, XCVR_DIAG_PLLDRC_CTRL} +}; + +static struct cdns_torrent_vals sl_sgmii_link_cmn_vals = { + .reg_pairs = sl_sgmii_link_cmn_regs, + .num_regs = ARRAY_SIZE(sl_sgmii_link_cmn_regs), +}; + +static struct cdns_torrent_vals sl_sgmii_xcvr_diag_ln_vals = { + .reg_pairs = sl_sgmii_xcvr_diag_ln_regs, + .num_regs = ARRAY_SIZE(sl_sgmii_xcvr_diag_ln_regs), +}; + /* Multi link PCIe, 100 MHz Ref clk, internal SSC */ static struct cdns_reg_pairs pcie_100_int_ssc_cmn_regs[] = { {0x0004, CMN_PLL0_DSM_DIAG_M0}, @@ -2698,6 +2727,9 @@ static const struct cdns_torrent_data cdns_map_torrent = { }, }, [TYPE_SGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &sl_sgmii_link_cmn_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &pcie_sgmii_link_cmn_vals, [EXTERNAL_SSC] = &pcie_sgmii_link_cmn_vals, @@ -2705,6 +2737,9 @@ static const struct cdns_torrent_data cdns_map_torrent = { }, }, [TYPE_QSGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &sl_sgmii_link_cmn_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &pcie_sgmii_link_cmn_vals, [EXTERNAL_SSC] = &pcie_sgmii_link_cmn_vals, @@ -2731,6 +2766,9 @@ static const struct cdns_torrent_data cdns_map_torrent = { }, }, [TYPE_SGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &sl_sgmii_xcvr_diag_ln_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &sgmii_pcie_xcvr_diag_ln_vals, [EXTERNAL_SSC] = &sgmii_pcie_xcvr_diag_ln_vals, @@ -2738,6 +2776,9 @@ static const struct cdns_torrent_data cdns_map_torrent = { }, }, [TYPE_QSGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &sl_sgmii_xcvr_diag_ln_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &sgmii_pcie_xcvr_diag_ln_vals, [EXTERNAL_SSC] = &sgmii_pcie_xcvr_diag_ln_vals, @@ -2764,6 +2805,9 @@ static const struct cdns_torrent_data cdns_map_torrent = { }, }, [TYPE_SGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &sgmii_100_no_ssc_cmn_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &sgmii_100_no_ssc_cmn_vals, [EXTERNAL_SSC] = &sgmii_100_no_ssc_cmn_vals, @@ -2771,6 +2815,9 @@ static const struct cdns_torrent_data cdns_map_torrent = { }, }, [TYPE_QSGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &qsgmii_100_no_ssc_cmn_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &qsgmii_100_no_ssc_cmn_vals, [EXTERNAL_SSC] = &qsgmii_100_no_ssc_cmn_vals, @@ -2797,6 +2844,9 @@ static const struct cdns_torrent_data cdns_map_torrent = { }, }, [TYPE_SGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &sgmii_100_no_ssc_tx_ln_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &sgmii_100_no_ssc_tx_ln_vals, [EXTERNAL_SSC] = &sgmii_100_no_ssc_tx_ln_vals, @@ -2804,6 +2854,9 @@ static const struct cdns_torrent_data cdns_map_torrent = { }, }, [TYPE_QSGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &qsgmii_100_no_ssc_tx_ln_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &qsgmii_100_no_ssc_tx_ln_vals, [EXTERNAL_SSC] = &qsgmii_100_no_ssc_tx_ln_vals, @@ -2830,6 +2883,9 @@ static const struct cdns_torrent_data cdns_map_torrent = { }, }, [TYPE_SGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &sgmii_100_no_ssc_rx_ln_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &sgmii_100_no_ssc_rx_ln_vals, [EXTERNAL_SSC] = &sgmii_100_no_ssc_rx_ln_vals, @@ -2837,6 +2893,9 @@ static const struct cdns_torrent_data cdns_map_torrent = { }, }, [TYPE_QSGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &qsgmii_100_no_ssc_rx_ln_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &qsgmii_100_no_ssc_rx_ln_vals, [EXTERNAL_SSC] = &qsgmii_100_no_ssc_rx_ln_vals, @@ -2868,6 +2927,9 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = { }, }, [TYPE_SGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &sl_sgmii_link_cmn_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &pcie_sgmii_link_cmn_vals, [EXTERNAL_SSC] = &pcie_sgmii_link_cmn_vals, @@ -2875,6 +2937,9 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = { }, }, [TYPE_QSGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &sl_sgmii_link_cmn_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &pcie_sgmii_link_cmn_vals, [EXTERNAL_SSC] = &pcie_sgmii_link_cmn_vals, @@ -2901,6 +2966,9 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = { }, }, [TYPE_SGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &sl_sgmii_xcvr_diag_ln_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &sgmii_pcie_xcvr_diag_ln_vals, [EXTERNAL_SSC] = &sgmii_pcie_xcvr_diag_ln_vals, @@ -2908,6 +2976,9 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = { }, }, [TYPE_QSGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &sl_sgmii_xcvr_diag_ln_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &sgmii_pcie_xcvr_diag_ln_vals, [EXTERNAL_SSC] = &sgmii_pcie_xcvr_diag_ln_vals, @@ -2934,6 +3005,9 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = { }, }, [TYPE_SGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &sgmii_100_no_ssc_cmn_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &sgmii_100_no_ssc_cmn_vals, [EXTERNAL_SSC] = &sgmii_100_no_ssc_cmn_vals, @@ -2941,6 +3015,9 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = { }, }, [TYPE_QSGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &qsgmii_100_no_ssc_cmn_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &qsgmii_100_no_ssc_cmn_vals, [EXTERNAL_SSC] = &qsgmii_100_no_ssc_cmn_vals, @@ -2967,6 +3044,9 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = { }, }, [TYPE_SGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &sgmii_100_no_ssc_tx_ln_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &sgmii_100_no_ssc_tx_ln_vals, [EXTERNAL_SSC] = &sgmii_100_no_ssc_tx_ln_vals, @@ -2974,6 +3054,9 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = { }, }, [TYPE_QSGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &qsgmii_100_no_ssc_tx_ln_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &qsgmii_100_no_ssc_tx_ln_vals, [EXTERNAL_SSC] = &qsgmii_100_no_ssc_tx_ln_vals, @@ -3000,6 +3083,9 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = { }, }, [TYPE_SGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &sgmii_100_no_ssc_rx_ln_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &sgmii_100_no_ssc_rx_ln_vals, [EXTERNAL_SSC] = &sgmii_100_no_ssc_rx_ln_vals, @@ -3007,6 +3093,9 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = { }, }, [TYPE_QSGMII] = { + [TYPE_NONE] = { + [NO_SSC] = &qsgmii_100_no_ssc_rx_ln_vals, + }, [TYPE_PCIE] = { [NO_SSC] = &qsgmii_100_no_ssc_rx_ln_vals, [EXTERNAL_SSC] = &qsgmii_100_no_ssc_rx_ln_vals, |