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phy: cadence-torrent: Add PHY link configuration sequences for single link

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Add support to configure link_cmn_vals and xcvr_diag_vals in case of single
link PHY configuration.

Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Link: https://lore.kernel.org/r/1600327846-9733-9-git-send-email-sjakhade@cadence.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Swapnil Jakhade 2020-09-17 09:30:41 +02:00 committed by Vinod Koul
parent 07084c9566
commit cd9aa94737
1 changed files with 44 additions and 0 deletions
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44
drivers/phy/cadence/phy-cadence-torrent.c
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@ -1809,6 +1809,7 @@ static int cdns_torrent_phy_init(struct phy *phy)
struct cdns_torrent_phy *cdns_phy = dev_get_drvdata(phy->dev.parent);
const struct cdns_torrent_data *init_data = cdns_phy->init_data;
struct cdns_torrent_vals *cmn_vals, *tx_ln_vals, *rx_ln_vals;
struct cdns_torrent_vals *link_cmn_vals, *xcvr_diag_vals;
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;
@ -1823,6 +1824,29 @@ static int cdns_torrent_phy_init(struct phy *phy)
if (phy_type == TYPE_DP)
return cdns_torrent_dp_init(phy);
/* PHY configuration specific registers for single link */
link_cmn_vals = init_data->link_cmn_vals[phy_type][TYPE_NONE][ssc];
if (link_cmn_vals) {
reg_pairs = link_cmn_vals->reg_pairs;
num_regs = link_cmn_vals->num_regs;
regmap = cdns_phy->regmap_common_cdb;
for (i = 0; i < num_regs; i++)
regmap_write(regmap, reg_pairs[i].off,
reg_pairs[i].val);
}
xcvr_diag_vals = init_data->xcvr_diag_vals[phy_type][TYPE_NONE][ssc];
if (xcvr_diag_vals) {
reg_pairs = xcvr_diag_vals->reg_pairs;
num_regs = xcvr_diag_vals->num_regs;
for (i = 0; i < inst->num_lanes; i++) {
regmap = cdns_phy->regmap_tx_lane_cdb[i + inst->mlane];
for (j = 0; j < num_regs; j++)
regmap_write(regmap, reg_pairs[j].off,
reg_pairs[j].val);
}
}
/* PMA common registers configurations */
cmn_vals = init_data->cmn_vals[phy_type][TYPE_NONE][ssc];
if (cmn_vals) {
@ -2643,6 +2667,11 @@ static const struct cdns_torrent_data cdns_map_torrent = {
.reg_offset_shift = 0x2,
.link_cmn_vals = {
[TYPE_PCIE] = {
[TYPE_NONE] = {
[NO_SSC] = NULL,
[EXTERNAL_SSC] = NULL,
[INTERNAL_SSC] = NULL,
},
[TYPE_SGMII] = {
[NO_SSC] = &pcie_sgmii_link_cmn_vals,
[EXTERNAL_SSC] = &pcie_sgmii_link_cmn_vals,
@ -2671,6 +2700,11 @@ static const struct cdns_torrent_data cdns_map_torrent = {
},
.xcvr_diag_vals = {
[TYPE_PCIE] = {
[TYPE_NONE] = {
[NO_SSC] = NULL,
[EXTERNAL_SSC] = NULL,
[INTERNAL_SSC] = NULL,
},
[TYPE_SGMII] = {
[NO_SSC] = &pcie_sgmii_xcvr_diag_ln_vals,
[EXTERNAL_SSC] = &pcie_sgmii_xcvr_diag_ln_vals,
@ -2803,6 +2837,11 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = {
.reg_offset_shift = 0x1,
.link_cmn_vals = {
[TYPE_PCIE] = {
[TYPE_NONE] = {
[NO_SSC] = NULL,
[EXTERNAL_SSC] = NULL,
[INTERNAL_SSC] = NULL,
},
[TYPE_SGMII] = {
[NO_SSC] = &pcie_sgmii_link_cmn_vals,
[EXTERNAL_SSC] = &pcie_sgmii_link_cmn_vals,
@ -2831,6 +2870,11 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = {
},
.xcvr_diag_vals = {
[TYPE_PCIE] = {
[TYPE_NONE] = {
[NO_SSC] = NULL,
[EXTERNAL_SSC] = NULL,
[INTERNAL_SSC] = NULL,
},
[TYPE_SGMII] = {
[NO_SSC] = &pcie_sgmii_xcvr_diag_ln_vals,
[EXTERNAL_SSC] = &pcie_sgmii_xcvr_diag_ln_vals,