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Message-ID: <20210903050054.25627-10-sjakhade@cadence.com>
Date: Fri, 3 Sep 2021 07:00:49 +0200
From: Swapnil Jakhade <sjakhade@...ence.com>
To: <vkoul@...nel.org>, <kishon@...com>, <robh+dt@...nel.org>,
<p.zabel@...gutronix.de>, <linux-phy@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
CC: <mparab@...ence.com>, <sjakhade@...ence.com>, <lokeshvutla@...com>
Subject: [PATCH 09/14] phy: cadence: Sierra: Update single link PCIe register configuration
Add single link PCIe register configurations for no SSC and internal
SSC. Also, add missing PMA lane registers for external SSC.
Signed-off-by: Swapnil Jakhade <sjakhade@...ence.com>
---
drivers/phy/cadence/phy-cadence-sierra.c | 214 ++++++++++++++++++++++-
1 file changed, 213 insertions(+), 1 deletion(-)
diff --git a/drivers/phy/cadence/phy-cadence-sierra.c b/drivers/phy/cadence/phy-cadence-sierra.c
index e84dfd8f168e..83dc025d77a8 100644
--- a/drivers/phy/cadence/phy-cadence-sierra.c
+++ b/drivers/phy/cadence/phy-cadence-sierra.c
@@ -36,7 +36,12 @@
#define SIERRA_CMN_PLLLC_LOCK_CNTSTART_PREG 0x4B
#define SIERRA_CMN_PLLLC_BWCAL_MODE1_PREG 0x4F
#define SIERRA_CMN_PLLLC_BWCAL_MODE0_PREG 0x50
+#define SIERRA_CMN_PLLLC_DSMCORR_PREG 0x51
+#define SIERRA_CMN_PLLLC_SS_PREG 0x52
+#define SIERRA_CMN_PLLLC_SS_AMP_STEP_SIZE_PREG 0x53
+#define SIERRA_CMN_PLLLC_SSTWOPT_PREG 0x54
#define SIERRA_CMN_PLLLC_SS_TIME_STEPSIZE_MODE_PREG 0x62
+#define SIERRA_CMN_PLLLC_LOCK_DELAY_CTRL_PREG 0x63
#define SIERRA_CMN_REFRCV_PREG 0x98
#define SIERRA_CMN_REFRCV1_PREG 0xB8
#define SIERRA_CMN_PLLLC1_GEN_PREG 0xC2
@@ -52,6 +57,7 @@
#define SIERRA_DET_STANDEC_E_PREG 0x004
#define SIERRA_PSM_LANECAL_DLY_A1_RESETS_PREG 0x008
#define SIERRA_PSM_A0IN_TMR_PREG 0x009
+#define SIERRA_PSM_A3IN_TMR_PREG 0x00C
#define SIERRA_PSM_DIAG_PREG 0x015
#define SIERRA_PSC_TX_A0_PREG 0x028
#define SIERRA_PSC_TX_A1_PREG 0x029
@@ -68,12 +74,15 @@
#define SIERRA_CLKPATH_BIASTRIM_PREG 0x04B
#define SIERRA_DFE_BIASTRIM_PREG 0x04C
#define SIERRA_DRVCTRL_ATTEN_PREG 0x06A
+#define SIERRA_DRVCTRL_BOOST_PREG 0x06F
#define SIERRA_CLKPATHCTRL_TMR_PREG 0x081
#define SIERRA_RX_CREQ_FLTR_A_MODE3_PREG 0x085
#define SIERRA_RX_CREQ_FLTR_A_MODE2_PREG 0x086
#define SIERRA_RX_CREQ_FLTR_A_MODE1_PREG 0x087
#define SIERRA_RX_CREQ_FLTR_A_MODE0_PREG 0x088
+#define SIERRA_CREQ_DCBIASATTEN_OVR_PREG 0x08C
#define SIERRA_CREQ_CCLKDET_MODE01_PREG 0x08E
+#define SIERRA_RX_CTLE_CAL_PREG 0x08F
#define SIERRA_RX_CTLE_MAINTENANCE_PREG 0x091
#define SIERRA_CREQ_FSMCLK_SEL_PREG 0x092
#define SIERRA_CREQ_EQ_CTRL_PREG 0x093
@@ -123,15 +132,27 @@
#define SIERRA_DEQ_ALUT12 0x114
#define SIERRA_DEQ_ALUT13 0x115
#define SIERRA_DEQ_DFETAP_CTRL_PREG 0x128
+#define SIERRA_DEQ_DFETAP0 0x129
+#define SIERRA_DEQ_DFETAP1 0x12B
+#define SIERRA_DEQ_DFETAP2 0x12D
+#define SIERRA_DEQ_DFETAP3 0x12F
+#define SIERRA_DEQ_DFETAP4 0x131
#define SIERRA_DFE_EN_1010_IGNORE_PREG 0x134
+#define SIERRA_DEQ_PRECUR_PREG 0x138
+#define SIERRA_DEQ_POSTCUR_PREG 0x140
+#define SIERRA_DEQ_POSTCUR_DECR_PREG 0x142
#define SIERRA_DEQ_TAU_CTRL1_SLOW_MAINT_PREG 0x150
#define SIERRA_DEQ_TAU_CTRL2_PREG 0x151
+#define SIERRA_DEQ_TAU_CTRL3_PREG 0x152
+#define SIERRA_DEQ_OPENEYE_CTRL_PREG 0x158
#define SIERRA_DEQ_PICTRL_PREG 0x161
#define SIERRA_CPICAL_TMRVAL_MODE1_PREG 0x170
#define SIERRA_CPICAL_TMRVAL_MODE0_PREG 0x171
#define SIERRA_CPICAL_PICNT_MODE1_PREG 0x174
#define SIERRA_CPI_OUTBUF_RATESEL_PREG 0x17C
+#define SIERRA_CPI_TRIM_PREG 0x17F
#define SIERRA_CPICAL_RES_STARTCODE_MODE23_PREG 0x183
+#define SIERRA_EPI_CTRL_PREG 0x187
#define SIERRA_LFPSDET_SUPPORT_PREG 0x188
#define SIERRA_LFPSFILT_NS_PREG 0x18A
#define SIERRA_LFPSFILT_RD_PREG 0x18B
@@ -1162,6 +1183,146 @@ static struct cdns_sierra_vals pcie_phy_pcs_cmn_vals = {
.num_regs = ARRAY_SIZE(pcie_phy_pcs_cmn_regs),
};
+/* refclk100MHz_32b_PCIe_cmn_pll_no_ssc */
+static const struct cdns_reg_pairs cdns_pcie_cmn_regs_no_ssc[] = {
+ {0x2105, SIERRA_CMN_PLLLC_LF_COEFF_MODE1_PREG},
+ {0x2105, SIERRA_CMN_PLLLC_LF_COEFF_MODE0_PREG},
+ {0x8A06, SIERRA_CMN_PLLLC_BWCAL_MODE1_PREG},
+ {0x8A06, SIERRA_CMN_PLLLC_BWCAL_MODE0_PREG}
+};
+
+/* refclk100MHz_32b_PCIe_ln_no_ssc */
+static const struct cdns_reg_pairs cdns_pcie_ln_regs_no_ssc[] = {
+ {0xFC08, SIERRA_DET_STANDEC_A_PREG},
+ {0x001D, SIERRA_PSM_A3IN_TMR_PREG},
+ {0x1555, SIERRA_DFE_BIASTRIM_PREG},
+ {0x9703, SIERRA_DRVCTRL_BOOST_PREG},
+ {0x8055, SIERRA_RX_CREQ_FLTR_A_MODE3_PREG},
+ {0x80BB, SIERRA_RX_CREQ_FLTR_A_MODE2_PREG},
+ {0x8351, SIERRA_RX_CREQ_FLTR_A_MODE1_PREG},
+ {0x8349, SIERRA_RX_CREQ_FLTR_A_MODE0_PREG},
+ {0x0002, SIERRA_CREQ_DCBIASATTEN_OVR_PREG},
+ {0x9800, SIERRA_RX_CTLE_CAL_PREG},
+ {0x5624, SIERRA_DEQ_CONCUR_CTRL2_PREG},
+ {0x000F, SIERRA_DEQ_EPIPWR_CTRL2_PREG},
+ {0x00FF, SIERRA_DEQ_FAST_MAINT_CYCLES_PREG},
+ {0x4C4C, SIERRA_DEQ_ERRCMP_CTRL_PREG},
+ {0x02FA, SIERRA_DEQ_OFFSET_CTRL_PREG},
+ {0x02FA, SIERRA_DEQ_GAIN_CTRL_PREG},
+ {0x0041, SIERRA_DEQ_GLUT0},
+ {0x0082, SIERRA_DEQ_GLUT1},
+ {0x00C3, SIERRA_DEQ_GLUT2},
+ {0x0145, SIERRA_DEQ_GLUT3},
+ {0x0186, SIERRA_DEQ_GLUT4},
+ {0x09E7, SIERRA_DEQ_ALUT0},
+ {0x09A6, SIERRA_DEQ_ALUT1},
+ {0x0965, SIERRA_DEQ_ALUT2},
+ {0x08E3, SIERRA_DEQ_ALUT3},
+ {0x00FA, SIERRA_DEQ_DFETAP0},
+ {0x00FA, SIERRA_DEQ_DFETAP1},
+ {0x00FA, SIERRA_DEQ_DFETAP2},
+ {0x00FA, SIERRA_DEQ_DFETAP3},
+ {0x00FA, SIERRA_DEQ_DFETAP4},
+ {0x000F, SIERRA_DEQ_PRECUR_PREG},
+ {0x0280, SIERRA_DEQ_POSTCUR_PREG},
+ {0x8F00, SIERRA_DEQ_POSTCUR_DECR_PREG},
+ {0x3C0F, SIERRA_DEQ_TAU_CTRL1_SLOW_MAINT_PREG},
+ {0x1C0C, SIERRA_DEQ_TAU_CTRL2_PREG},
+ {0x0100, SIERRA_DEQ_TAU_CTRL3_PREG},
+ {0x5E82, SIERRA_DEQ_OPENEYE_CTRL_PREG},
+ {0x002B, SIERRA_CPI_TRIM_PREG},
+ {0x0003, SIERRA_EPI_CTRL_PREG},
+ {0x803F, SIERRA_SDFILT_H2L_A_PREG},
+ {0x0004, SIERRA_RXBUFFER_CTLECTRL_PREG},
+ {0x2010, SIERRA_RXBUFFER_RCDFECTRL_PREG},
+ {0x4432, SIERRA_RXBUFFER_DFECTRL_PREG}
+};
+
+static struct cdns_sierra_vals pcie_100_no_ssc_cmn_vals = {
+ .reg_pairs = cdns_pcie_cmn_regs_no_ssc,
+ .num_regs = ARRAY_SIZE(cdns_pcie_cmn_regs_no_ssc),
+};
+
+static struct cdns_sierra_vals pcie_100_no_ssc_ln_vals = {
+ .reg_pairs = cdns_pcie_ln_regs_no_ssc,
+ .num_regs = ARRAY_SIZE(cdns_pcie_ln_regs_no_ssc),
+};
+
+/* refclk100MHz_32b_PCIe_cmn_pll_int_ssc */
+static const struct cdns_reg_pairs cdns_pcie_cmn_regs_int_ssc[] = {
+ {0x000E, SIERRA_CMN_PLLLC_MODE_PREG},
+ {0x4006, SIERRA_CMN_PLLLC_LF_COEFF_MODE1_PREG},
+ {0x4006, SIERRA_CMN_PLLLC_LF_COEFF_MODE0_PREG},
+ {0x0000, SIERRA_CMN_PLLLC_BWCAL_MODE1_PREG},
+ {0x0000, SIERRA_CMN_PLLLC_BWCAL_MODE0_PREG},
+ {0x0581, SIERRA_CMN_PLLLC_DSMCORR_PREG},
+ {0x7F80, SIERRA_CMN_PLLLC_SS_PREG},
+ {0x0041, SIERRA_CMN_PLLLC_SS_AMP_STEP_SIZE_PREG},
+ {0x0464, SIERRA_CMN_PLLLC_SSTWOPT_PREG},
+ {0x0D0D, SIERRA_CMN_PLLLC_SS_TIME_STEPSIZE_MODE_PREG},
+ {0x0060, SIERRA_CMN_PLLLC_LOCK_DELAY_CTRL_PREG}
+};
+
+/* refclk100MHz_32b_PCIe_ln_int_ssc */
+static const struct cdns_reg_pairs cdns_pcie_ln_regs_int_ssc[] = {
+ {0xFC08, SIERRA_DET_STANDEC_A_PREG},
+ {0x001D, SIERRA_PSM_A3IN_TMR_PREG},
+ {0x1555, SIERRA_DFE_BIASTRIM_PREG},
+ {0x9703, SIERRA_DRVCTRL_BOOST_PREG},
+ {0x813E, SIERRA_CLKPATHCTRL_TMR_PREG},
+ {0x8047, SIERRA_RX_CREQ_FLTR_A_MODE3_PREG},
+ {0x808F, SIERRA_RX_CREQ_FLTR_A_MODE2_PREG},
+ {0x808F, SIERRA_RX_CREQ_FLTR_A_MODE1_PREG},
+ {0x808F, SIERRA_RX_CREQ_FLTR_A_MODE0_PREG},
+ {0x0002, SIERRA_CREQ_DCBIASATTEN_OVR_PREG},
+ {0x9800, SIERRA_RX_CTLE_CAL_PREG},
+ {0x033C, SIERRA_RX_CTLE_MAINTENANCE_PREG},
+ {0x44CC, SIERRA_CREQ_EQ_OPEN_EYE_THRESH_PREG},
+ {0x5624, SIERRA_DEQ_CONCUR_CTRL2_PREG},
+ {0x000F, SIERRA_DEQ_EPIPWR_CTRL2_PREG},
+ {0x00FF, SIERRA_DEQ_FAST_MAINT_CYCLES_PREG},
+ {0x4C4C, SIERRA_DEQ_ERRCMP_CTRL_PREG},
+ {0x02FA, SIERRA_DEQ_OFFSET_CTRL_PREG},
+ {0x02FA, SIERRA_DEQ_GAIN_CTRL_PREG},
+ {0x0041, SIERRA_DEQ_GLUT0},
+ {0x0082, SIERRA_DEQ_GLUT1},
+ {0x00C3, SIERRA_DEQ_GLUT2},
+ {0x0145, SIERRA_DEQ_GLUT3},
+ {0x0186, SIERRA_DEQ_GLUT4},
+ {0x09E7, SIERRA_DEQ_ALUT0},
+ {0x09A6, SIERRA_DEQ_ALUT1},
+ {0x0965, SIERRA_DEQ_ALUT2},
+ {0x08E3, SIERRA_DEQ_ALUT3},
+ {0x00FA, SIERRA_DEQ_DFETAP0},
+ {0x00FA, SIERRA_DEQ_DFETAP1},
+ {0x00FA, SIERRA_DEQ_DFETAP2},
+ {0x00FA, SIERRA_DEQ_DFETAP3},
+ {0x00FA, SIERRA_DEQ_DFETAP4},
+ {0x000F, SIERRA_DEQ_PRECUR_PREG},
+ {0x0280, SIERRA_DEQ_POSTCUR_PREG},
+ {0x8F00, SIERRA_DEQ_POSTCUR_DECR_PREG},
+ {0x3C0F, SIERRA_DEQ_TAU_CTRL1_SLOW_MAINT_PREG},
+ {0x1C0C, SIERRA_DEQ_TAU_CTRL2_PREG},
+ {0x0100, SIERRA_DEQ_TAU_CTRL3_PREG},
+ {0x5E82, SIERRA_DEQ_OPENEYE_CTRL_PREG},
+ {0x002B, SIERRA_CPI_TRIM_PREG},
+ {0x0003, SIERRA_EPI_CTRL_PREG},
+ {0x803F, SIERRA_SDFILT_H2L_A_PREG},
+ {0x0004, SIERRA_RXBUFFER_CTLECTRL_PREG},
+ {0x2010, SIERRA_RXBUFFER_RCDFECTRL_PREG},
+ {0x4432, SIERRA_RXBUFFER_DFECTRL_PREG}
+};
+
+static struct cdns_sierra_vals pcie_100_int_ssc_cmn_vals = {
+ .reg_pairs = cdns_pcie_cmn_regs_int_ssc,
+ .num_regs = ARRAY_SIZE(cdns_pcie_cmn_regs_int_ssc),
+};
+
+static struct cdns_sierra_vals pcie_100_int_ssc_ln_vals = {
+ .reg_pairs = cdns_pcie_ln_regs_int_ssc,
+ .num_regs = ARRAY_SIZE(cdns_pcie_ln_regs_int_ssc),
+};
+
/* refclk100MHz_32b_PCIe_cmn_pll_ext_ssc */
static const struct cdns_reg_pairs cdns_pcie_cmn_regs_ext_ssc[] = {
{0x2106, SIERRA_CMN_PLLLC_LF_COEFF_MODE1_PREG},
@@ -1173,13 +1334,52 @@ static const struct cdns_reg_pairs cdns_pcie_cmn_regs_ext_ssc[] = {
/* refclk100MHz_32b_PCIe_ln_ext_ssc */
static const struct cdns_reg_pairs cdns_pcie_ln_regs_ext_ssc[] = {
+ {0xFC08, SIERRA_DET_STANDEC_A_PREG},
+ {0x001D, SIERRA_PSM_A3IN_TMR_PREG},
+ {0x1555, SIERRA_DFE_BIASTRIM_PREG},
+ {0x9703, SIERRA_DRVCTRL_BOOST_PREG},
{0x813E, SIERRA_CLKPATHCTRL_TMR_PREG},
{0x8047, SIERRA_RX_CREQ_FLTR_A_MODE3_PREG},
{0x808F, SIERRA_RX_CREQ_FLTR_A_MODE2_PREG},
{0x808F, SIERRA_RX_CREQ_FLTR_A_MODE1_PREG},
{0x808F, SIERRA_RX_CREQ_FLTR_A_MODE0_PREG},
+ {0x0002, SIERRA_CREQ_DCBIASATTEN_OVR_PREG},
+ {0x9800, SIERRA_RX_CTLE_CAL_PREG},
{0x033C, SIERRA_RX_CTLE_MAINTENANCE_PREG},
- {0x44CC, SIERRA_CREQ_EQ_OPEN_EYE_THRESH_PREG}
+ {0x44CC, SIERRA_CREQ_EQ_OPEN_EYE_THRESH_PREG},
+ {0x5624, SIERRA_DEQ_CONCUR_CTRL2_PREG},
+ {0x000F, SIERRA_DEQ_EPIPWR_CTRL2_PREG},
+ {0x00FF, SIERRA_DEQ_FAST_MAINT_CYCLES_PREG},
+ {0x4C4C, SIERRA_DEQ_ERRCMP_CTRL_PREG},
+ {0x02FA, SIERRA_DEQ_OFFSET_CTRL_PREG},
+ {0x02FA, SIERRA_DEQ_GAIN_CTRL_PREG},
+ {0x0041, SIERRA_DEQ_GLUT0},
+ {0x0082, SIERRA_DEQ_GLUT1},
+ {0x00C3, SIERRA_DEQ_GLUT2},
+ {0x0145, SIERRA_DEQ_GLUT3},
+ {0x0186, SIERRA_DEQ_GLUT4},
+ {0x09E7, SIERRA_DEQ_ALUT0},
+ {0x09A6, SIERRA_DEQ_ALUT1},
+ {0x0965, SIERRA_DEQ_ALUT2},
+ {0x08E3, SIERRA_DEQ_ALUT3},
+ {0x00FA, SIERRA_DEQ_DFETAP0},
+ {0x00FA, SIERRA_DEQ_DFETAP1},
+ {0x00FA, SIERRA_DEQ_DFETAP2},
+ {0x00FA, SIERRA_DEQ_DFETAP3},
+ {0x00FA, SIERRA_DEQ_DFETAP4},
+ {0x000F, SIERRA_DEQ_PRECUR_PREG},
+ {0x0280, SIERRA_DEQ_POSTCUR_PREG},
+ {0x8F00, SIERRA_DEQ_POSTCUR_DECR_PREG},
+ {0x3C0F, SIERRA_DEQ_TAU_CTRL1_SLOW_MAINT_PREG},
+ {0x1C0C, SIERRA_DEQ_TAU_CTRL2_PREG},
+ {0x0100, SIERRA_DEQ_TAU_CTRL3_PREG},
+ {0x5E82, SIERRA_DEQ_OPENEYE_CTRL_PREG},
+ {0x002B, SIERRA_CPI_TRIM_PREG},
+ {0x0003, SIERRA_EPI_CTRL_PREG},
+ {0x803F, SIERRA_SDFILT_H2L_A_PREG},
+ {0x0004, SIERRA_RXBUFFER_CTLECTRL_PREG},
+ {0x2010, SIERRA_RXBUFFER_RCDFECTRL_PREG},
+ {0x4432, SIERRA_RXBUFFER_DFECTRL_PREG}
};
static struct cdns_sierra_vals pcie_100_ext_ssc_cmn_vals = {
@@ -1316,14 +1516,18 @@ static const struct cdns_sierra_data cdns_map_sierra = {
.pcs_cmn_vals = {
[TYPE_PCIE] = {
[TYPE_NONE] = {
+ [NO_SSC] = &pcie_phy_pcs_cmn_vals,
[EXTERNAL_SSC] = &pcie_phy_pcs_cmn_vals,
+ [INTERNAL_SSC] = &pcie_phy_pcs_cmn_vals,
},
},
},
.pma_cmn_vals = {
[TYPE_PCIE] = {
[TYPE_NONE] = {
+ [NO_SSC] = &pcie_100_no_ssc_cmn_vals,
[EXTERNAL_SSC] = &pcie_100_ext_ssc_cmn_vals,
+ [INTERNAL_SSC] = &pcie_100_int_ssc_cmn_vals,
},
},
[TYPE_USB] = {
@@ -1335,7 +1539,9 @@ static const struct cdns_sierra_data cdns_map_sierra = {
.pma_ln_vals = {
[TYPE_PCIE] = {
[TYPE_NONE] = {
+ [NO_SSC] = &pcie_100_no_ssc_ln_vals,
[EXTERNAL_SSC] = &pcie_100_ext_ssc_ln_vals,
+ [INTERNAL_SSC] = &pcie_100_int_ssc_ln_vals,
},
},
[TYPE_USB] = {
@@ -1353,14 +1559,18 @@ static const struct cdns_sierra_data cdns_ti_map_sierra = {
.pcs_cmn_vals = {
[TYPE_PCIE] = {
[TYPE_NONE] = {
+ [NO_SSC] = &pcie_phy_pcs_cmn_vals,
[EXTERNAL_SSC] = &pcie_phy_pcs_cmn_vals,
+ [INTERNAL_SSC] = &pcie_phy_pcs_cmn_vals,
},
},
},
.pma_cmn_vals = {
[TYPE_PCIE] = {
[TYPE_NONE] = {
+ [NO_SSC] = &pcie_100_no_ssc_cmn_vals,
[EXTERNAL_SSC] = &pcie_100_ext_ssc_cmn_vals,
+ [INTERNAL_SSC] = &pcie_100_int_ssc_cmn_vals,
},
},
[TYPE_USB] = {
@@ -1372,7 +1582,9 @@ static const struct cdns_sierra_data cdns_ti_map_sierra = {
.pma_ln_vals = {
[TYPE_PCIE] = {
[TYPE_NONE] = {
+ [NO_SSC] = &pcie_100_no_ssc_ln_vals,
[EXTERNAL_SSC] = &pcie_100_ext_ssc_ln_vals,
+ [INTERNAL_SSC] = &pcie_100_int_ssc_ln_vals,
},
},
[TYPE_USB] = {
--
2.26.1
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