lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date:   Fri, 22 Mar 2019 17:12:30 +0100
From:   Marc Gonzalez <marc.w.gonzalez@...e.fr>
To:     Kishon Vijay Abraham <kishon@...com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <andy.gross@...aro.org>
Cc:     Jeffrey Hugo <jhugo@...eaurora.org>,
        Evan Green <evgreen@...omium.org>,
        MSM <linux-arm-msm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH v1] phy: qcom-qmp: Add msm8998 PCIe QMP PHY support

Copy init sequence from downstream:
https://source.codeaurora.org/quic/la/kernel/msm-4.4/tree/arch/arm/boot/dts/qcom/msm8998-v2.dtsi?h=LE.UM.1.3.r3.25#n372

Signed-off-by: Marc Gonzalez <marc.w.gonzalez@...e.fr>
---
 .../devicetree/bindings/phy/qcom-qmp-phy.txt  |   5 +
 drivers/phy/qualcomm/phy-qcom-qmp.c           | 110 ++++++++++++++++++
 drivers/phy/qualcomm/phy-qcom-qmp.h           |  12 ++
 3 files changed, 127 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt b/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
index 5d181fc3cc18..6000ae34b12b 100644
--- a/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
+++ b/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
@@ -11,6 +11,7 @@ Required properties:
 	       "qcom,msm8996-qmp-usb3-phy" for 14nm USB3 phy on msm8996,
 	       "qcom,msm8998-qmp-usb3-phy" for USB3 QMP V3 phy on msm8998,
 	       "qcom,msm8998-qmp-ufs-phy" for UFS QMP phy on msm8998,
+	       "qcom,msm8998-qmp-pcie-phy" for PCIe QMP phy on msm8998,
 	       "qcom,sdm845-qmp-usb3-phy" for USB3 QMP V3 phy on sdm845,
 	       "qcom,sdm845-qmp-usb3-uni-phy" for USB3 QMP V3 UNI phy on sdm845,
 	       "qcom,sdm845-qmp-ufs-phy" for UFS QMP phy on sdm845.
@@ -48,6 +49,8 @@ Required properties:
 			"aux", "cfg_ahb", "ref".
 		For "qcom,msm8998-qmp-ufs-phy" must contain:
 			"ref", "ref_aux".
+		For "qcom,msm8998-qmp-pcie-phy" must contain:
+			"aux", "cfg_ahb", "ref".
 		For "qcom,sdm845-qmp-usb3-phy" must contain:
 			"aux", "cfg_ahb", "ref", "com_aux".
 		For "qcom,sdm845-qmp-usb3-uni-phy" must contain:
@@ -70,6 +73,8 @@ Required properties:
 		For "qcom,msm8998-qmp-usb3-phy" must contain
 			"phy", "common".
 		For "qcom,msm8998-qmp-ufs-phy": no resets are listed.
+		For "qcom,msm8998-qmp-pcie-phy" must contain:
+			"phy", "common", "cfg".
 		For "qcom,sdm845-qmp-usb3-phy" must contain:
 			"phy", "common".
 		For "qcom,sdm845-qmp-usb3-uni-phy" must contain:
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index 08d6f6f7f039..2f32561bdd6c 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -242,6 +242,88 @@ static const struct qmp_phy_init_tbl msm8996_pcie_pcs_tbl[] = {
 	QMP_PHY_INIT_CFG(QPHY_TXDEEMPH_M3P5DB_V0, 0x0e),
 };
 
+static const struct qmp_phy_init_tbl msm8998_pcie_serdes_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x14),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x0f),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x06),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_RESETSM_CNTRL, 0x20),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE0, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE0, 0xc9),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_TIMER1, 0xff),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_TIMER2, 0x3f),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORECLK_DIV_MODE0, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_EP_DIV, 0x19),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_ENABLE1, 0x90),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x82),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x03),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0x55),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START1_MODE0, 0x55),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP3_MODE0, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x0d),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE0, 0x08),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE0, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE0, 0x34),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x06),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x33),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_BUF_ENABLE, 0x07),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0, 0x3f),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_BG_TIMER, 0x09),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_EN_CENTER, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER1, 0x40),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER2, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER1, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER2, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE1, 0x7e),
+	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE2, 0x15),
+};
+
+static const struct qmp_phy_init_tbl msm8998_pcie_tx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V3_TX_RCV_DETECT_LVL_2, 0x12),
+	QMP_PHY_INIT_CFG(QSERDES_V3_TX_HIGHZ_DRVR_EN, 0x10),
+	QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0x06),
+};
+
+static const struct qmp_phy_init_tbl msm8998_pcie_rx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x03),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_ENABLES, 0x1c),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x14),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x1a),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_GAIN, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_GAIN_HALF, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_INTERFACE_MODE, 0x40),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_PI_CONTROLS, 0x71),
+	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_COUNT_LOW, 0x40),
+};
+
+static const struct qmp_phy_init_tbl msm8998_pcie_pcs_tbl[] = {
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_ENDPOINT_REFCLK_DRIVE, 0x04),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_OSC_DTCT_ACTIONS, 0x00),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x01),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_L1SS_WAKEUP_DLY_TIME_AUXCLK_MSB, 0x00),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_L1SS_WAKEUP_DLY_TIME_AUXCLK_LSB, 0x20),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_LP_WAKEUP_DLY_TIME_AUXCLK_MSB, 0x00),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_LP_WAKEUP_DLY_TIME_AUXCLK, 0x01),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_PLL_LOCK_CHK_DLY_TIME, 0x73),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0x99),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_SIGDET_CNTRL, 0x03),
+};
+
 static const struct qmp_phy_init_tbl msm8996_usb3_serdes_tbl[] = {
 	QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0x14),
 	QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x08),
@@ -1146,6 +1228,31 @@ static const struct qmp_phy_cfg sdm845_ufsphy_cfg = {
 	.no_pcs_sw_reset	= true,
 };
 
+static const struct qmp_phy_cfg msm8998_pciephy_cfg = {
+	.type			= PHY_TYPE_PCIE,
+	.nlanes			= 1,
+
+	.serdes_tbl		= msm8998_pcie_serdes_tbl,
+	.serdes_tbl_num		= ARRAY_SIZE(msm8998_pcie_serdes_tbl),
+	.tx_tbl			= msm8998_pcie_tx_tbl,
+	.tx_tbl_num		= ARRAY_SIZE(msm8998_pcie_tx_tbl),
+	.rx_tbl			= msm8998_pcie_rx_tbl,
+	.rx_tbl_num		= ARRAY_SIZE(msm8998_pcie_rx_tbl),
+	.pcs_tbl		= msm8998_pcie_pcs_tbl,
+	.pcs_tbl_num		= ARRAY_SIZE(msm8998_pcie_pcs_tbl),
+	.clk_list		= msm8996_phy_clk_l,
+	.num_clks		= ARRAY_SIZE(msm8996_phy_clk_l),
+	.reset_list		= msm8996_pciephy_reset_l,
+	.num_resets		= ARRAY_SIZE(msm8996_pciephy_reset_l),
+	.vreg_list		= qmp_phy_vreg_l,
+	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
+	.regs			= pciephy_regs_layout,
+
+	.start_ctrl             = SERDES_START | PCS_START,
+	.pwrdn_ctrl		= SW_PWRDN | REFCLK_DRV_DSBL,
+	.mask_com_pcs_ready	= PCS_READY,
+};
+
 static const struct qmp_phy_cfg msm8998_usb3phy_cfg = {
 	.type                   = PHY_TYPE_USB3,
 	.nlanes                 = 1,
@@ -1872,6 +1979,9 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
 	}, {
 		.compatible = "qcom,msm8996-qmp-usb3-phy",
 		.data = &msm8996_usb3phy_cfg,
+	}, {
+		.compatible = "qcom,msm8998-qmp-pcie-phy",
+		.data = &msm8998_pciephy_cfg,
 	}, {
 		.compatible = "qcom,msm8998-qmp-ufs-phy",
 		.data = &sdm845_ufsphy_cfg,
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h b/drivers/phy/qualcomm/phy-qcom-qmp.h
index a1b6cdee9a08..335ea5d7ef40 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.h
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.h
@@ -241,6 +241,7 @@
 #define QSERDES_V3_RX_RX_BAND				0x110
 #define QSERDES_V3_RX_RX_INTERFACE_MODE			0x11c
 #define QSERDES_V3_RX_RX_MODE_00			0x164
+#define QSERDES_V3_RX_RX_MODE_01			0x168
 
 /* Only for QMP V3 PHY - PCS registers */
 #define QPHY_V3_PCS_POWER_DOWN_CONTROL			0x004
@@ -280,6 +281,7 @@
 #define QPHY_V3_PCS_TSYNC_RSYNC_TIME			0x08c
 #define QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK		0x0a0
 #define QPHY_V3_PCS_LP_WAKEUP_DLY_TIME_AUXCLK		0x0a4
+#define QPHY_V3_PCS_PLL_LOCK_CHK_DLY_TIME		0x0a8
 #define QPHY_V3_PCS_LFPS_TX_ECSTART_EQTLOCK		0x0b0
 #define QPHY_V3_PCS_RXEQTRAINING_WAIT_TIME		0x0b8
 #define QPHY_V3_PCS_RXEQTRAINING_RUN_TIME		0x0bc
@@ -292,13 +294,23 @@
 #define QPHY_V3_PCS_RX_MIN_HIBERN8_TIME			0x138
 #define QPHY_V3_PCS_RX_SIGDET_CTRL1			0x13c
 #define QPHY_V3_PCS_RX_SIGDET_CTRL2			0x140
+#define QPHY_V3_PCS_LP_WAKEUP_DLY_TIME_AUXCLK_MSB	0x1a8
+#define QPHY_V3_PCS_OSC_DTCT_ACTIONS			0x1ac
+#define QPHY_V3_PCS_SIGDET_CNTRL			0x1b0
 #define QPHY_V3_PCS_TX_MID_TERM_CTRL1			0x1bc
 #define QPHY_V3_PCS_MULTI_LANE_CTRL1			0x1c4
 #define QPHY_V3_PCS_RX_SIGDET_LVL			0x1d8
+#define QPHY_V3_PCS_L1SS_WAKEUP_DLY_TIME_AUXCLK_LSB	0x1dc
+#define QPHY_V3_PCS_L1SS_WAKEUP_DLY_TIME_AUXCLK_MSB	0x1e0
 #define QPHY_V3_PCS_REFGEN_REQ_CONFIG1			0x20c
 #define QPHY_V3_PCS_REFGEN_REQ_CONFIG2			0x210
 
 /* Only for QMP V3 PHY - PCS_MISC registers */
 #define QPHY_V3_PCS_MISC_CLAMP_ENABLE			0x0c
+#define QPHY_V3_PCS_MISC_OSC_DTCT_CONFIG2		0x2c
+#define QPHY_V3_PCS_MISC_PCIE_INT_AUX_CLK_CONFIG1	0x44
+#define QPHY_V3_PCS_MISC_OSC_DTCT_MODE2_CONFIG2		0x54
+#define QPHY_V3_PCS_MISC_OSC_DTCT_MODE2_CONFIG4		0x5c
+#define QPHY_V3_PCS_MISC_OSC_DTCT_MODE2_CONFIG5		0x60
 
 #endif
-- 
2.17.1

Powered by blists - more mailing lists