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phy: cadence-torrent: Add single link SGMII/QSGMII register sequences
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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>
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Swapnil Jakhade authored and Vinod Koul committed Sep 18, 2020
1 parent d66a636 commit 9f33b76
Showing 1 changed file with 89 additions and 0 deletions.
89 changes: 89 additions & 0 deletions drivers/phy/cadence/phy-cadence-torrent.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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) {
Expand Down Expand Up @@ -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},
Expand Down Expand Up @@ -2698,13 +2727,19 @@ 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,
[INTERNAL_SSC] = &pcie_sgmii_link_cmn_vals,
},
},
[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,
Expand All @@ -2731,13 +2766,19 @@ 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,
[INTERNAL_SSC] = &sgmii_pcie_xcvr_diag_ln_vals,
},
},
[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,
Expand All @@ -2764,13 +2805,19 @@ 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,
[INTERNAL_SSC] = &sgmii_100_int_ssc_cmn_vals,
},
},
[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,
Expand All @@ -2797,13 +2844,19 @@ 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,
[INTERNAL_SSC] = &sgmii_100_no_ssc_tx_ln_vals,
},
},
[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,
Expand All @@ -2830,13 +2883,19 @@ 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,
[INTERNAL_SSC] = &sgmii_100_no_ssc_rx_ln_vals,
},
},
[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,
Expand Down Expand Up @@ -2868,13 +2927,19 @@ 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,
[INTERNAL_SSC] = &pcie_sgmii_link_cmn_vals,
},
},
[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,
Expand All @@ -2901,13 +2966,19 @@ 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,
[INTERNAL_SSC] = &sgmii_pcie_xcvr_diag_ln_vals,
},
},
[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,
Expand All @@ -2934,13 +3005,19 @@ 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,
[INTERNAL_SSC] = &sgmii_100_int_ssc_cmn_vals,
},
},
[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,
Expand All @@ -2967,13 +3044,19 @@ 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,
[INTERNAL_SSC] = &sgmii_100_no_ssc_tx_ln_vals,
},
},
[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,
Expand All @@ -3000,13 +3083,19 @@ 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,
[INTERNAL_SSC] = &sgmii_100_no_ssc_rx_ln_vals,
},
},
[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,
Expand Down

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