[PATCH v3 12/13] phy: cadence-torrent: Add PCIe + USB multilink configuration

From: Swapnil Jakhade
Date: Thu Sep 17 2020 - 03:50:57 EST

Add PCIe + USB Unique SSC multilink configuration sequences.

Signed-off-by: Swapnil Jakhade <sjakhade@xxxxxxxxxxx>
---
drivers/phy/cadence/phy-cadence-torrent.c | 216 ++++++++++++++++++++++
1 file changed, 216 insertions(+)

diff --git a/drivers/phy/cadence/phy-cadence-torrent.c b/drivers/phy/cadence/phy-cadence-torrent.c
index 3758c4b183af..e82ab72bd3d8 100644
--- a/drivers/phy/cadence/phy-cadence-torrent.c
+++ b/drivers/phy/cadence/phy-cadence-torrent.c
@@ -1938,6 +1938,7 @@ int cdns_torrent_phy_configure_multilink(struct cdns_torrent_phy *cdns_phy)
struct cdns_torrent_vals *cmn_vals, *tx_ln_vals, *rx_ln_vals;
struct cdns_torrent_vals *link_cmn_vals, *xcvr_diag_vals;
enum cdns_torrent_phy_type phy_t1, phy_t2, tmp_phy_type;
+ struct cdns_torrent_vals *pcs_cmn_vals;
int i, j, node, mlane, num_lanes, ret;
struct cdns_reg_pairs *reg_pairs;
enum cdns_torrent_ssc_mode ssc;
@@ -2011,6 +2012,17 @@ int cdns_torrent_phy_configure_multilink(struct cdns_torrent_phy *cdns_phy)
}
}

+ /* PHY PCS common registers configurations */
+ pcs_cmn_vals = init_data->pcs_cmn_vals[phy_t1][phy_t2][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_t1][phy_t2][ssc];
if (cmn_vals) {
@@ -2331,6 +2343,100 @@ static int cdns_torrent_phy_remove(struct platform_device *pdev)
return 0;
}

+/* PCIe and USB Unique SSC link configuration */
+static struct cdns_reg_pairs pcie_usb_link_cmn_regs[] = {
+ {0x0003, PHY_PLL_CFG},
+ {0x0601, CMN_PDIAG_PLL0_CLK_SEL_M0},
+ {0x0400, CMN_PDIAG_PLL0_CLK_SEL_M1},
+ {0x8600, CMN_PDIAG_PLL1_CLK_SEL_M0}
+};
+
+static struct cdns_reg_pairs pcie_usb_xcvr_diag_ln_regs[] = {
+ {0x0000, XCVR_DIAG_HSCLK_SEL},
+ {0x0001, XCVR_DIAG_HSCLK_DIV},
+ {0x0012, XCVR_DIAG_PLLDRC_CTRL}
+};
+
+static struct cdns_reg_pairs usb_pcie_xcvr_diag_ln_regs[] = {
+ {0x0011, XCVR_DIAG_HSCLK_SEL},
+ {0x0001, XCVR_DIAG_HSCLK_DIV},
+ {0x00C9, XCVR_DIAG_PLLDRC_CTRL}
+};
+
+static struct cdns_torrent_vals pcie_usb_link_cmn_vals = {
+ .reg_pairs = pcie_usb_link_cmn_regs,
+ .num_regs = ARRAY_SIZE(pcie_usb_link_cmn_regs),
+};
+
+static struct cdns_torrent_vals pcie_usb_xcvr_diag_ln_vals = {
+ .reg_pairs = pcie_usb_xcvr_diag_ln_regs,
+ .num_regs = ARRAY_SIZE(pcie_usb_xcvr_diag_ln_regs),
+};
+
+static struct cdns_torrent_vals usb_pcie_xcvr_diag_ln_vals = {
+ .reg_pairs = usb_pcie_xcvr_diag_ln_regs,
+ .num_regs = ARRAY_SIZE(usb_pcie_xcvr_diag_ln_regs),
+};
+
+/* USB 100 MHz Ref clk, internal SSC */
+static struct cdns_reg_pairs usb_100_int_ssc_cmn_regs[] = {
+ {0x0004, CMN_PLL0_DSM_DIAG_M0},
+ {0x0004, CMN_PLL0_DSM_DIAG_M1},
+ {0x0004, CMN_PLL1_DSM_DIAG_M0},
+ {0x0509, CMN_PDIAG_PLL0_CP_PADJ_M0},
+ {0x0509, CMN_PDIAG_PLL0_CP_PADJ_M1},
+ {0x0509, CMN_PDIAG_PLL1_CP_PADJ_M0},
+ {0x0F00, CMN_PDIAG_PLL0_CP_IADJ_M0},
+ {0x0F00, CMN_PDIAG_PLL0_CP_IADJ_M1},
+ {0x0F00, CMN_PDIAG_PLL1_CP_IADJ_M0},
+ {0x0F08, CMN_PDIAG_PLL0_FILT_PADJ_M0},
+ {0x0F08, CMN_PDIAG_PLL0_FILT_PADJ_M1},
+ {0x0F08, CMN_PDIAG_PLL1_FILT_PADJ_M0},
+ {0x0064, CMN_PLL0_INTDIV_M0},
+ {0x0050, CMN_PLL0_INTDIV_M1},
+ {0x0064, CMN_PLL1_INTDIV_M0},
+ {0x0002, CMN_PLL0_FRACDIVH_M0},
+ {0x0002, CMN_PLL0_FRACDIVH_M1},
+ {0x0002, CMN_PLL1_FRACDIVH_M0},
+ {0x0044, CMN_PLL0_HIGH_THR_M0},
+ {0x0036, CMN_PLL0_HIGH_THR_M1},
+ {0x0044, CMN_PLL1_HIGH_THR_M0},
+ {0x0002, CMN_PDIAG_PLL0_CTRL_M0},
+ {0x0002, CMN_PDIAG_PLL0_CTRL_M1},
+ {0x0002, CMN_PDIAG_PLL1_CTRL_M0},
+ {0x0001, CMN_PLL0_SS_CTRL1_M0},
+ {0x0001, CMN_PLL0_SS_CTRL1_M1},
+ {0x0001, CMN_PLL1_SS_CTRL1_M0},
+ {0x011B, CMN_PLL0_SS_CTRL2_M0},
+ {0x011B, CMN_PLL0_SS_CTRL2_M1},
+ {0x011B, CMN_PLL1_SS_CTRL2_M0},
+ {0x006E, CMN_PLL0_SS_CTRL3_M0},
+ {0x0058, CMN_PLL0_SS_CTRL3_M1},
+ {0x006E, CMN_PLL1_SS_CTRL3_M0},
+ {0x000E, CMN_PLL0_SS_CTRL4_M0},
+ {0x0012, CMN_PLL0_SS_CTRL4_M1},
+ {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 usb_100_int_ssc_cmn_vals = {
+ .reg_pairs = usb_100_int_ssc_cmn_regs,
+ .num_regs = ARRAY_SIZE(usb_100_int_ssc_cmn_regs),
+};
+
/* Single USB link configuration */
static struct cdns_reg_pairs sl_usb_link_cmn_regs[] = {
{0x0000, PHY_PLL_CFG},
@@ -2895,6 +3001,11 @@ static const struct cdns_torrent_data cdns_map_torrent = {
[EXTERNAL_SSC] = &pcie_sgmii_link_cmn_vals,
[INTERNAL_SSC] = &pcie_sgmii_link_cmn_vals,
},
+ [TYPE_USB] = {
+ [NO_SSC] = &pcie_usb_link_cmn_vals,
+ [EXTERNAL_SSC] = &pcie_usb_link_cmn_vals,
+ [INTERNAL_SSC] = &pcie_usb_link_cmn_vals,
+ },
},
[TYPE_SGMII] = {
[TYPE_NONE] = {
@@ -2922,6 +3033,11 @@ static const struct cdns_torrent_data cdns_map_torrent = {
[EXTERNAL_SSC] = &sl_usb_link_cmn_vals,
[INTERNAL_SSC] = &sl_usb_link_cmn_vals,
},
+ [TYPE_PCIE] = {
+ [NO_SSC] = &pcie_usb_link_cmn_vals,
+ [EXTERNAL_SSC] = &pcie_usb_link_cmn_vals,
+ [INTERNAL_SSC] = &pcie_usb_link_cmn_vals,
+ },
},
},
.xcvr_diag_vals = {
@@ -2941,6 +3057,11 @@ static const struct cdns_torrent_data cdns_map_torrent = {
[EXTERNAL_SSC] = &pcie_sgmii_xcvr_diag_ln_vals,
[INTERNAL_SSC] = &pcie_sgmii_xcvr_diag_ln_vals,
},
+ [TYPE_USB] = {
+ [NO_SSC] = &pcie_usb_xcvr_diag_ln_vals,
+ [EXTERNAL_SSC] = &pcie_usb_xcvr_diag_ln_vals,
+ [INTERNAL_SSC] = &pcie_usb_xcvr_diag_ln_vals,
+ },
},
[TYPE_SGMII] = {
[TYPE_NONE] = {
@@ -2968,6 +3089,11 @@ static const struct cdns_torrent_data cdns_map_torrent = {
[EXTERNAL_SSC] = &sl_usb_xcvr_diag_ln_vals,
[INTERNAL_SSC] = &sl_usb_xcvr_diag_ln_vals,
},
+ [TYPE_PCIE] = {
+ [NO_SSC] = &usb_pcie_xcvr_diag_ln_vals,
+ [EXTERNAL_SSC] = &usb_pcie_xcvr_diag_ln_vals,
+ [INTERNAL_SSC] = &usb_pcie_xcvr_diag_ln_vals,
+ },
},
},
.pcs_cmn_vals = {
@@ -2977,6 +3103,11 @@ static const struct cdns_torrent_data cdns_map_torrent = {
[EXTERNAL_SSC] = &usb_phy_pcs_cmn_vals,
[INTERNAL_SSC] = &usb_phy_pcs_cmn_vals,
},
+ [TYPE_PCIE] = {
+ [NO_SSC] = &usb_phy_pcs_cmn_vals,
+ [EXTERNAL_SSC] = &usb_phy_pcs_cmn_vals,
+ [INTERNAL_SSC] = &usb_phy_pcs_cmn_vals,
+ },
},
},
.cmn_vals = {
@@ -2996,6 +3127,11 @@ static const struct cdns_torrent_data cdns_map_torrent = {
[EXTERNAL_SSC] = &pcie_100_no_ssc_cmn_vals,
[INTERNAL_SSC] = &pcie_100_int_ssc_cmn_vals,
},
+ [TYPE_USB] = {
+ [NO_SSC] = &pcie_100_no_ssc_cmn_vals,
+ [EXTERNAL_SSC] = &pcie_100_no_ssc_cmn_vals,
+ [INTERNAL_SSC] = &pcie_100_int_ssc_cmn_vals,
+ },
},
[TYPE_SGMII] = {
[TYPE_NONE] = {
@@ -3023,6 +3159,11 @@ static const struct cdns_torrent_data cdns_map_torrent = {
[EXTERNAL_SSC] = &usb_100_no_ssc_cmn_vals,
[INTERNAL_SSC] = &sl_usb_100_int_ssc_cmn_vals,
},
+ [TYPE_PCIE] = {
+ [NO_SSC] = &usb_100_no_ssc_cmn_vals,
+ [EXTERNAL_SSC] = &usb_100_no_ssc_cmn_vals,
+ [INTERNAL_SSC] = &usb_100_int_ssc_cmn_vals,
+ },
},
},
.tx_ln_vals = {
@@ -3042,6 +3183,11 @@ static const struct cdns_torrent_data cdns_map_torrent = {
[EXTERNAL_SSC] = NULL,
[INTERNAL_SSC] = NULL,
},
+ [TYPE_USB] = {
+ [NO_SSC] = NULL,
+ [EXTERNAL_SSC] = NULL,
+ [INTERNAL_SSC] = NULL,
+ },
},
[TYPE_SGMII] = {
[TYPE_NONE] = {
@@ -3069,6 +3215,11 @@ static const struct cdns_torrent_data cdns_map_torrent = {
[EXTERNAL_SSC] = &usb_100_no_ssc_tx_ln_vals,
[INTERNAL_SSC] = &usb_100_no_ssc_tx_ln_vals,
},
+ [TYPE_PCIE] = {
+ [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 = {
@@ -3088,6 +3239,11 @@ static const struct cdns_torrent_data cdns_map_torrent = {
[EXTERNAL_SSC] = &pcie_100_no_ssc_rx_ln_vals,
[INTERNAL_SSC] = &pcie_100_no_ssc_rx_ln_vals,
},
+ [TYPE_USB] = {
+ [NO_SSC] = &pcie_100_no_ssc_rx_ln_vals,
+ [EXTERNAL_SSC] = &pcie_100_no_ssc_rx_ln_vals,
+ [INTERNAL_SSC] = &pcie_100_no_ssc_rx_ln_vals,
+ },
},
[TYPE_SGMII] = {
[TYPE_NONE] = {
@@ -3115,6 +3271,11 @@ static const struct cdns_torrent_data cdns_map_torrent = {
[EXTERNAL_SSC] = &usb_100_no_ssc_rx_ln_vals,
[INTERNAL_SSC] = &usb_100_no_ssc_rx_ln_vals,
},
+ [TYPE_PCIE] = {
+ [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,
+ },
},
},
};
@@ -3139,6 +3300,11 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = {
[EXTERNAL_SSC] = &pcie_sgmii_link_cmn_vals,
[INTERNAL_SSC] = &pcie_sgmii_link_cmn_vals,
},
+ [TYPE_USB] = {
+ [NO_SSC] = &pcie_usb_link_cmn_vals,
+ [EXTERNAL_SSC] = &pcie_usb_link_cmn_vals,
+ [INTERNAL_SSC] = &pcie_usb_link_cmn_vals,
+ },
},
[TYPE_SGMII] = {
[TYPE_NONE] = {
@@ -3166,6 +3332,11 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = {
[EXTERNAL_SSC] = &sl_usb_link_cmn_vals,
[INTERNAL_SSC] = &sl_usb_link_cmn_vals,
},
+ [TYPE_PCIE] = {
+ [NO_SSC] = &pcie_usb_link_cmn_vals,
+ [EXTERNAL_SSC] = &pcie_usb_link_cmn_vals,
+ [INTERNAL_SSC] = &pcie_usb_link_cmn_vals,
+ },
},
},
.xcvr_diag_vals = {
@@ -3185,6 +3356,11 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = {
[EXTERNAL_SSC] = &pcie_sgmii_xcvr_diag_ln_vals,
[INTERNAL_SSC] = &pcie_sgmii_xcvr_diag_ln_vals,
},
+ [TYPE_USB] = {
+ [NO_SSC] = &pcie_usb_xcvr_diag_ln_vals,
+ [EXTERNAL_SSC] = &pcie_usb_xcvr_diag_ln_vals,
+ [INTERNAL_SSC] = &pcie_usb_xcvr_diag_ln_vals,
+ },
},
[TYPE_SGMII] = {
[TYPE_NONE] = {
@@ -3212,6 +3388,11 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = {
[EXTERNAL_SSC] = &sl_usb_xcvr_diag_ln_vals,
[INTERNAL_SSC] = &sl_usb_xcvr_diag_ln_vals,
},
+ [TYPE_PCIE] = {
+ [NO_SSC] = &usb_pcie_xcvr_diag_ln_vals,
+ [EXTERNAL_SSC] = &usb_pcie_xcvr_diag_ln_vals,
+ [INTERNAL_SSC] = &usb_pcie_xcvr_diag_ln_vals,
+ },
},
},
.pcs_cmn_vals = {
@@ -3221,6 +3402,11 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = {
[EXTERNAL_SSC] = &usb_phy_pcs_cmn_vals,
[INTERNAL_SSC] = &usb_phy_pcs_cmn_vals,
},
+ [TYPE_PCIE] = {
+ [NO_SSC] = &usb_phy_pcs_cmn_vals,
+ [EXTERNAL_SSC] = &usb_phy_pcs_cmn_vals,
+ [INTERNAL_SSC] = &usb_phy_pcs_cmn_vals,
+ },
},
},
.cmn_vals = {
@@ -3240,6 +3426,11 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = {
[EXTERNAL_SSC] = &pcie_100_no_ssc_cmn_vals,
[INTERNAL_SSC] = &pcie_100_int_ssc_cmn_vals,
},
+ [TYPE_USB] = {
+ [NO_SSC] = &pcie_100_no_ssc_cmn_vals,
+ [EXTERNAL_SSC] = &pcie_100_no_ssc_cmn_vals,
+ [INTERNAL_SSC] = &pcie_100_int_ssc_cmn_vals,
+ },
},
[TYPE_SGMII] = {
[TYPE_NONE] = {
@@ -3267,6 +3458,11 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = {
[EXTERNAL_SSC] = &usb_100_no_ssc_cmn_vals,
[INTERNAL_SSC] = &sl_usb_100_int_ssc_cmn_vals,
},
+ [TYPE_PCIE] = {
+ [NO_SSC] = &usb_100_no_ssc_cmn_vals,
+ [EXTERNAL_SSC] = &usb_100_no_ssc_cmn_vals,
+ [INTERNAL_SSC] = &usb_100_int_ssc_cmn_vals,
+ },
},
},
.tx_ln_vals = {
@@ -3286,6 +3482,11 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = {
[EXTERNAL_SSC] = NULL,
[INTERNAL_SSC] = NULL,
},
+ [TYPE_USB] = {
+ [NO_SSC] = NULL,
+ [EXTERNAL_SSC] = NULL,
+ [INTERNAL_SSC] = NULL,
+ },
},
[TYPE_SGMII] = {
[TYPE_NONE] = {
@@ -3313,6 +3514,11 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = {
[EXTERNAL_SSC] = &usb_100_no_ssc_tx_ln_vals,
[INTERNAL_SSC] = &usb_100_no_ssc_tx_ln_vals,
},
+ [TYPE_PCIE] = {
+ [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 = {
@@ -3332,6 +3538,11 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = {
[EXTERNAL_SSC] = &pcie_100_no_ssc_rx_ln_vals,
[INTERNAL_SSC] = &pcie_100_no_ssc_rx_ln_vals,
},
+ [TYPE_USB] = {
+ [NO_SSC] = &pcie_100_no_ssc_rx_ln_vals,
+ [EXTERNAL_SSC] = &pcie_100_no_ssc_rx_ln_vals,
+ [INTERNAL_SSC] = &pcie_100_no_ssc_rx_ln_vals,
+ },
},
[TYPE_SGMII] = {
[TYPE_NONE] = {
@@ -3359,6 +3570,11 @@ static const struct cdns_torrent_data ti_j721e_map_torrent = {
[EXTERNAL_SSC] = &usb_100_no_ssc_rx_ln_vals,
[INTERNAL_SSC] = &usb_100_no_ssc_rx_ln_vals,
},
+ [TYPE_PCIE] = {
+ [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,
+ },
},
},
};
--
2.26.1