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u-boot/drivers/phy/qcom/phy-qcom-qmp-pcie.c
Neil Armstrong d22fe8f2aa
phy: qcom: add QMP PCIe PHY driver 
Add support for the PCIe QMP PHY on the SM8550,
SM8650 and x1e80100 SoCs.

The driver is based on the Linux phy/qualcomm/phy-qcom-qmp-pcie.c
driver and adapted to U-Boot.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20241125-topic-pcie-phy-v1-1-bf08811d0a07@linaro.org
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
2025-01-22 16:43:54 +01:00

1131 lines
40 KiB
C
Raw Blame History

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2023 Bhupesh Sharma <bhupesh.sharma@linaro.org>
*
* Based on Linux driver
*/
#include <clk.h>
#include <clk-uclass.h>
#include <dm.h>
#include <dm/device_compat.h>
#include <dm/devres.h>
#include <generic-phy.h>
#include <malloc.h>
#include <reset.h>
#include <power/regulator.h>
#include <asm/io.h>
#include <linux/bitops.h>
#include <linux/clk-provider.h>
#include <linux/delay.h>
#include <linux/iopoll.h>
#include <linux/ioport.h>
#include "phy-qcom-qmp.h"
#include "phy-qcom-qmp-pcs-misc-v3.h"
#include "phy-qcom-qmp-pcs-v5.h"
#include "phy-qcom-qmp-pcs-v6.h"
#include "phy-qcom-qmp-pcs-v6_20.h"
#include "phy-qcom-qmp-pcs-pcie-v6.h"
#include "phy-qcom-qmp-pcs-pcie-v6_20.h"
#include "phy-qcom-qmp-pcie-qhp.h"
#include "phy-qcom-qmp-qserdes-com-v6.h"
#include "phy-qcom-qmp-qserdes-txrx-v6.h"
#include "phy-qcom-qmp-qserdes-txrx-v6_20.h"
#include "phy-qcom-qmp-qserdes-ln-shrd-v6.h"
/* QPHY_SW_RESET bit */
#define SW_RESET BIT(0)
/* QPHY_POWER_DOWN_CONTROL */
#define SW_PWRDN BIT(0)
#define REFCLK_DRV_DSBL BIT(1)
/* QPHY_START_CONTROL bits */
#define SERDES_START BIT(0)
#define PCS_START BIT(1)
/* QPHY_PCS_READY_STATUS bit */
#define PCS_READY BIT(0)
/* QPHY_PCS_STATUS bit */
#define PHYSTATUS BIT(6)
#define PHYSTATUS_4_20 BIT(7)
#define PHY_INIT_COMPLETE_TIMEOUT (200 * 10000)
#define NUM_SUPPLIES 3
struct qmp_pcie_init_tbl {
unsigned int offset;
unsigned int val;
/*
* mask of lanes for which this register is written
* for cases when second lane needs different values
*/
u8 lane_mask;
};
#define QMP_PHY_INIT_CFG(o, v) \
{ \
.offset = o, \
.val = v, \
.lane_mask = 0xff, \
}
#define QMP_PHY_INIT_CFG_LANE(o, v, l) \
{ \
.offset = o, \
.val = v, \
.lane_mask = l, \
}
/* set of registers with offsets different per-PHY */
enum qphy_reg_layout {
/* PCS registers */
QPHY_SW_RESET,
QPHY_START_CTRL,
QPHY_PCS_STATUS,
QPHY_PCS_POWER_DOWN_CONTROL,
/* Keep last to ensure regs_layout arrays are properly initialized */
QPHY_LAYOUT_SIZE
};
static const unsigned int pciephy_v5_regs_layout[QPHY_LAYOUT_SIZE] = {
[QPHY_SW_RESET] = QPHY_V5_PCS_SW_RESET,
[QPHY_START_CTRL] = QPHY_V5_PCS_START_CONTROL,
[QPHY_PCS_STATUS] = QPHY_V5_PCS_PCS_STATUS1,
[QPHY_PCS_POWER_DOWN_CONTROL] = QPHY_V5_PCS_POWER_DOWN_CONTROL,
};
static const unsigned int pciephy_v6_regs_layout[QPHY_LAYOUT_SIZE] = {
[QPHY_SW_RESET] = QPHY_V6_PCS_SW_RESET,
[QPHY_START_CTRL] = QPHY_V6_PCS_START_CONTROL,
[QPHY_PCS_STATUS] = QPHY_V6_PCS_PCS_STATUS1,
[QPHY_PCS_POWER_DOWN_CONTROL] = QPHY_V6_PCS_POWER_DOWN_CONTROL,
};
static const struct qmp_pcie_init_tbl sm8550_qmp_gen3x2_pcie_serdes_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_EN_CENTER, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_PER1, 0x62),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_PER2, 0x02),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE0, 0xf8),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE0, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE1, 0x93),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE1, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CLK_ENABLE1, 0x90),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYS_CLK_CTRL, 0x82),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_IVCO, 0x07),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE0, 0x02),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE1, 0x02),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE0, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE1, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE0, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE1, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYSCLK_EN_SEL, 0x08),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_BG_TIMER, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP_EN, 0x42),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE0, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE0, 0x0d),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE1, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE1, 0x1a),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE0, 0x41),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE1, 0x34),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START1_MODE0, 0xab),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START2_MODE0, 0xaa),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START3_MODE0, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START1_MODE1, 0x55),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START2_MODE1, 0x55),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START3_MODE1, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE_MAP, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CLK_SELECT, 0x34),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_SEL_1, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CORECLK_DIV_MODE1, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_CONFIG_1, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_ADDITIONAL_MISC_3, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CORE_CLK_EN, 0xa0),
};
static const struct qmp_pcie_init_tbl sm8550_qmp_gen3x2_pcie_tx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V6_TX_LANE_MODE_1, 0x15),
QMP_PHY_INIT_CFG(QSERDES_V6_TX_LANE_MODE_4, 0x3f),
QMP_PHY_INIT_CFG(QSERDES_V6_TX_PI_QEC_CTRL, 0x02),
QMP_PHY_INIT_CFG(QSERDES_V6_TX_RES_CODE_LANE_OFFSET_RX, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V6_TX_RES_CODE_LANE_OFFSET_TX, 0x18),
};
static const struct qmp_pcie_init_tbl sm8550_qmp_gen3x2_pcie_rx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V6_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_GM_CAL, 0x11),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH, 0xbf),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH2, 0xbf),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH3, 0xb7),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH4, 0xea),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_LOW, 0x3f),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH, 0x5c),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH2, 0x9c),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH3, 0x1a),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH4, 0x89),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_LOW, 0xdc),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_10_HIGH, 0x94),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_10_HIGH2, 0x5b),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_10_HIGH3, 0x1a),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_10_HIGH4, 0x89),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_TX_ADAPT_POST_THRESH, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_FO_GAIN, 0x09),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SO_GAIN, 0x05),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SB2_THRESH1, 0x08),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SB2_THRESH2, 0x08),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_VGA_CAL_CNTRL2, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_SIDGET_ENABLES, 0x1c),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_IDAC_TSETTLE_LOW, 0x07),
QMP_PHY_INIT_CFG(QSERDES_V6_RX_SIGDET_CAL_TRIM, 0x08),
};
static const struct qmp_pcie_init_tbl sm8550_qmp_gen3x2_pcie_pcs_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V6_PCS_REFGEN_REQ_CONFIG1, 0x05),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_RX_SIGDET_LVL, 0x77),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_RATE_SLEW_CNTRL1, 0x0b),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_EQ_CONFIG2, 0x0f),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_PCS_TX_RX_CONFIG, 0x8c),
};
static const struct qmp_pcie_init_tbl sm8550_qmp_gen3x2_pcie_pcs_misc_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_EQ_CONFIG1, 0x1e),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_RXEQEVAL_TIME, 0x27),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_POWER_STATE_CONFIG2, 0x1d),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_POWER_STATE_CONFIG4, 0x07),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_ENDPOINT_REFCLK_DRIVE, 0xc1),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_OSC_DTCT_ACTIONS, 0x00),
};
static const struct qmp_pcie_init_tbl sm8550_qmp_gen4x2_pcie_serdes_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE1, 0x26),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE1, 0x03),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE1, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE1, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE1, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CORECLK_DIV_MODE1, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE1, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE1, 0x1a),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE1, 0x68),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START1_MODE1, 0xab),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START2_MODE1, 0xaa),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START3_MODE1, 0x02),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_SEL_1, 0x12),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE0, 0xf8),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE0, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE0, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE0, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE0, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CORE_CLK_DIV_MODE0, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE0, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE0, 0x0d),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE0, 0x41),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START1_MODE0, 0xab),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START2_MODE0, 0xaa),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START3_MODE0, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_HS_SWITCH_SEL_1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_BG_TIMER, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_EN_CENTER, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_PER1, 0x62),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_PER2, 0x02),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_POST_DIV_MUX, 0x40),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_BIAS_EN_CLK_BUFLR_EN, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CLK_ENABLE1, 0x90),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYS_CLK_CTRL, 0x82),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_IVCO, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYSCLK_EN_SEL, 0x08),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP_EN, 0x46),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP_CFG, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE_MAP, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CLK_SELECT, 0x34),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CORE_CLK_EN, 0xa0),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_CONFIG_1, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_MISC_1, 0x88),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_MODE, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_VCO_DC_LEVEL_CTRL, 0x0f),
};
static const struct qmp_pcie_init_tbl sm8550_qmp_gen4x2_pcie_ln_shrd_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RXCLK_DIV2_CTRL, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_DFE_DAC_ENABLE1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_TX_ADAPT_POST_THRESH1, 0x02),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_TX_ADAPT_POST_THRESH2, 0x0d),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B0, 0x12),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B1, 0x12),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B2, 0xdb),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B3, 0x9a),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B4, 0x38),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B5, 0xb6),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B6, 0x64),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH1_RATE210, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH1_RATE3, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH2_RATE210, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH2_RATE3, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH3_RATE210, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH3_RATE3, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH4_RATE3, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH5_RATE3, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH6_RATE3, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_SUMMER_CAL_SPD_MODE, 0x5b),
};
static const struct qmp_pcie_init_tbl sm8550_qmp_gen4x2_pcie_tx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_RES_CODE_LANE_OFFSET_TX, 0x1d),
QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_RES_CODE_LANE_OFFSET_RX, 0x03),
QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_LANE_MODE_1, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_LANE_MODE_2, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_LANE_MODE_3, 0x51),
QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_TRAN_DRVR_EMP_EN, 0x34),
};
static const struct qmp_pcie_init_tbl sm8550_qmp_gen4x2_pcie_rx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_FO_GAIN_RATE_2, 0x0c),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_FO_GAIN_RATE_3, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_SO_GAIN_RATE_2, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_PI_CONTROLS, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_SO_ACC_DEFAULT_VAL_RATE3, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_IVCM_CAL_CTRL2, 0x80),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_IVCM_POSTCAL_OFFSET, 0x7c),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_DFE_3, 0x05),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_TX_ADPT_CTRL, 0x10),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_VGA_CAL_MAN_VAL, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_GM_CAL, 0x0d),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_EQU_ADAPTOR_CNTRL4, 0x0b),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_SIGDET_ENABLES, 0x1c),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_PHPRE_CTRL, 0x20),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_DFE_CTLE_POST_CAL_OFFSET, 0x30),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_Q_PI_INTRINSIC_BIAS_RATE32, 0x09),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B0, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B1, 0xb3),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B2, 0x58),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B3, 0x9a),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B4, 0x26),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B5, 0xb6),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B6, 0xee),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B0, 0xdb),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B1, 0xdb),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B2, 0xa0),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B3, 0xdf),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B4, 0x78),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B5, 0x76),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B6, 0xff),
QMP_PHY_INIT_CFG(QSERDES_V6_20_VGA_CAL_CNTRL1, 0x00),
};
static const struct qmp_pcie_init_tbl sm8550_qmp_gen4x2_pcie_pcs_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_G12S1_TXDEEMPH_M6DB, 0x17),
QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_G3S2_PRE_GAIN, 0x2e),
QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_RX_SIGDET_LVL, 0xcc),
QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_EQ_CONFIG4, 0x00),
QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_EQ_CONFIG5, 0x22),
QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_TX_RX_CONFIG1, 0x04),
QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_TX_RX_CONFIG2, 0x02),
};
static const struct qmp_pcie_init_tbl sm8550_qmp_gen4x2_pcie_pcs_misc_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_ENDPOINT_REFCLK_DRIVE, 0xc1),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_OSC_DTCT_ATCIONS, 0x00),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_EQ_CONFIG1, 0x16),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G3_RXEQEVAL_TIME, 0x27),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G4_RXEQEVAL_TIME, 0x27),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_EQ_CONFIG5, 0x02),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G4_PRE_GAIN, 0x2e),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_RX_MARGINING_CONFIG1, 0x03),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_RX_MARGINING_CONFIG3, 0x28),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_TX_RX_CONFIG, 0xc0),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_POWER_STATE_CONFIG2, 0x1d),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_RX_MARGINING_CONFIG5, 0x0f),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G3_FOM_EQ_CONFIG5, 0xf2),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G4_FOM_EQ_CONFIG5, 0xf2),
};
static const struct qmp_pcie_init_tbl sm8650_qmp_gen4x2_pcie_rx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_FO_GAIN_RATE_2, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_FO_GAIN_RATE_3, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_PI_CONTROLS, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_SO_ACC_DEFAULT_VAL_RATE3, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_IVCM_CAL_CTRL2, 0x82),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_DFE_3, 0x05),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_VGA_CAL_MAN_VAL, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_GM_CAL, 0x0d),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_EQU_ADAPTOR_CNTRL4, 0x0b),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_SIGDET_ENABLES, 0x1c),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_PHPRE_CTRL, 0x20),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B0, 0xd3),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B1, 0xd3),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B2, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B3, 0x9a),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B4, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B5, 0xb6),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B6, 0xee),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B0, 0x23),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B1, 0x9b),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B2, 0x60),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B3, 0xdf),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B4, 0x43),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B5, 0x76),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B6, 0xff),
};
static const struct qmp_pcie_init_tbl x1e80100_qmp_gen4x2_pcie_serdes_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE1, 0x26),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE1, 0x03),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE1, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE1, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE1, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CORECLK_DIV_MODE1, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE1, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE1, 0x1a),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE1, 0x68),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START1_MODE1, 0xab),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START2_MODE1, 0xaa),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START3_MODE1, 0x02),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_SEL_1, 0x12),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE0, 0xf8),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE0, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE0, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE0, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE0, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CORE_CLK_DIV_MODE0, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE0, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE0, 0x0d),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE0, 0x41),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START1_MODE0, 0xab),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START2_MODE0, 0xaa),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START3_MODE0, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_HS_SWITCH_SEL_1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_BG_TIMER, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_EN_CENTER, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_PER1, 0x62),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_PER2, 0x02),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_POST_DIV_MUX, 0x40),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_BIAS_EN_CLK_BUFLR_EN, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CLK_ENABLE1, 0x90),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYS_CLK_CTRL, 0x82),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_IVCO, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYSCLK_EN_SEL, 0x08),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP_EN, 0x46),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP_CFG, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE_MAP, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CLK_SELECT, 0x34),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CORE_CLK_EN, 0xa0),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_CONFIG_1, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_MISC_1, 0x88),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_MODE, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_VCO_DC_LEVEL_CTRL, 0x0f),
};
static const struct qmp_pcie_init_tbl x1e80100_qmp_gen4x2_pcie_ln_shrd_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RXCLK_DIV2_CTRL, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_DFE_DAC_ENABLE1, 0x88),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_TX_ADAPT_POST_THRESH1, 0x02),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_TX_ADAPT_POST_THRESH2, 0x0d),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B0, 0xd4),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B1, 0x12),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B2, 0xdb),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B3, 0x9a),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B4, 0x32),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B5, 0xb6),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B6, 0x64),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH1_RATE210, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH1_RATE3, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH2_RATE210, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH2_RATE3, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH3_RATE210, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH3_RATE3, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH4_RATE3, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH5_RATE3, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH6_RATE3, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_SUMMER_CAL_SPD_MODE, 0x5b),
};
static const struct qmp_pcie_init_tbl x1e80100_qmp_gen4x2_pcie_tx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_RES_CODE_LANE_OFFSET_TX, 0x1d),
QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_RES_CODE_LANE_OFFSET_RX, 0x03),
QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_LANE_MODE_1, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_LANE_MODE_2, 0x10),
QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_LANE_MODE_3, 0x51),
QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_TRAN_DRVR_EMP_EN, 0x34),
};
static const struct qmp_pcie_init_tbl x1e80100_qmp_gen4x2_pcie_rx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_FO_GAIN_RATE_2, 0x0c),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_SO_GAIN_RATE_2, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_FO_GAIN_RATE_3, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_PI_CONTROLS, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_SO_ACC_DEFAULT_VAL_RATE3, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_IVCM_CAL_CTRL2, 0x80),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_IVCM_POSTCAL_OFFSET, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_BKUP_CTRL1, 0x15),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_DFE_1, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_DFE_2, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_DFE_3, 0x45),
QMP_PHY_INIT_CFG_LANE(QSERDES_V6_20_RX_VGA_CAL_MAN_VAL, 0x0a, 1),
QMP_PHY_INIT_CFG_LANE(QSERDES_V6_20_RX_VGA_CAL_MAN_VAL, 0x0b, 2),
QMP_PHY_INIT_CFG(QSERDES_V6_20_VGA_CAL_CNTRL1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_GM_CAL, 0x0d),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_EQU_ADAPTOR_CNTRL4, 0x0b),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_SIGDET_ENABLES, 0x1c),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_PHPRE_CTRL, 0x20),
QMP_PHY_INIT_CFG_LANE(QSERDES_V6_20_RX_DFE_CTLE_POST_CAL_OFFSET, 0x3a, 1),
QMP_PHY_INIT_CFG_LANE(QSERDES_V6_20_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38, 2),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_Q_PI_INTRINSIC_BIAS_RATE32, 0x39),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B0, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B1, 0xb3),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B2, 0x58),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B3, 0x9a),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B4, 0x26),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B5, 0xb6),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B6, 0xee),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B0, 0xe4),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B1, 0xa4),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B2, 0x60),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B3, 0xdf),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B4, 0x4b),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B5, 0x76),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B6, 0xff),
QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_TX_ADPT_CTRL, 0x10),
};
static const struct qmp_pcie_init_tbl x1e80100_qmp_gen4x2_pcie_pcs_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_G3S2_PRE_GAIN, 0x2e),
QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_RX_SIGDET_LVL, 0xcc),
QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_EQ_CONFIG4, 0x00),
QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_EQ_CONFIG5, 0x22),
QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_TX_RX_CONFIG1, 0x04),
QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_TX_RX_CONFIG2, 0x02),
};
static const struct qmp_pcie_init_tbl x1e80100_qmp_gen4x2_pcie_pcs_misc_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_ENDPOINT_REFCLK_DRIVE, 0xc1),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_OSC_DTCT_ATCIONS, 0x00),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_EQ_CONFIG1, 0x16),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_EQ_CONFIG5, 0x02),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G4_PRE_GAIN, 0x2e),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_RX_MARGINING_CONFIG1, 0x03),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_RX_MARGINING_CONFIG3, 0x28),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G3_RXEQEVAL_TIME, 0x27),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G4_RXEQEVAL_TIME, 0x27),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_TX_RX_CONFIG, 0xc0),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_POWER_STATE_CONFIG2, 0x1d),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_RX_MARGINING_CONFIG5, 0x18),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G3_FOM_EQ_CONFIG5, 0x7a),
QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G4_FOM_EQ_CONFIG5, 0x8a),
};
struct qmp_pcie_offsets {
u16 serdes;
u16 pcs;
u16 pcs_misc;
u16 tx;
u16 rx;
u16 tx2;
u16 rx2;
u16 ln_shrd;
};
struct qmp_pcie_cfg_tbls {
/* Init sequence for PHY blocks - serdes, tx, rx, pcs */
const struct qmp_pcie_init_tbl *serdes;
int serdes_num;
const struct qmp_pcie_init_tbl *tx;
int tx_num;
const struct qmp_pcie_init_tbl *rx;
int rx_num;
const struct qmp_pcie_init_tbl *pcs;
int pcs_num;
const struct qmp_pcie_init_tbl *pcs_misc;
int pcs_misc_num;
const struct qmp_pcie_init_tbl *ln_shrd;
int ln_shrd_num;
};
/* struct qmp_pcie_cfg - per-PHY initialization config */
struct qmp_pcie_cfg {
int lanes;
const struct qmp_pcie_offsets *offsets;
/* Main init sequence for PHY blocks - serdes, tx, rx, pcs */
const struct qmp_pcie_cfg_tbls tbls;
/* regulators to be requested */
const char * const *vreg_list;
int num_vregs;
/* resets to be requested */
const char * const *reset_list;
int num_resets;
/* array of registers with different offsets */
const unsigned int *regs;
unsigned int pwrdn_ctrl;
/* bit offset of PHYSTATUS in QPHY_PCS_STATUS register */
unsigned int phy_status;
bool has_nocsr_reset;
};
struct qmp_pcie_priv {
struct phy *phy;
void __iomem *serdes;
void __iomem *pcs;
void __iomem *pcs_misc;
void __iomem *tx;
void __iomem *rx;
void __iomem *tx2;
void __iomem *rx2;
void __iomem *ln_shrd;
struct clk *clks;
unsigned int clk_count;
struct clk pipe_clk;
struct reset_ctl *resets;
unsigned int reset_count;
struct reset_ctl nocsr_reset;
struct udevice *vregs[NUM_SUPPLIES];
unsigned int vreg_count;
const struct qmp_pcie_cfg *cfg;
struct udevice *dev;
};
static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val)
{
u32 reg;
reg = readl(base + offset);
reg |= val;
writel(reg, base + offset);
/* ensure that above write is through */
readl(base + offset);
}
static inline void qphy_clrbits(void __iomem *base, u32 offset, u32 val)
{
u32 reg;
reg = readl(base + offset);
reg &= ~val;
writel(reg, base + offset);
/* ensure that above write is through */
readl(base + offset);
}
/* list of clocks required by phy */
static const char * const qmp_pciephy_clk_l[] = {
"aux", "cfg_ahb", "ref", "rchng",
};
/* list of regulators */
static const char * const qmp_phy_vreg_l[] = {
"vdda-phy-supply", "vdda-pll-supply",
};
static const char * const sm8550_qmp_phy_vreg_l[] = {
"vdda-phy-supply", "vdda-pll-supply", "vdda-qref-supply",
};
/* list of resets */
static const char * const sdm845_pciephy_reset_l[] = {
"phy",
};
static const struct qmp_pcie_offsets qmp_pcie_offsets_v5 = {
.serdes = 0,
.pcs = 0x0200,
.pcs_misc = 0x0600,
.tx = 0x0e00,
.rx = 0x1000,
.tx2 = 0x1600,
.rx2 = 0x1800,
};
static const struct qmp_pcie_offsets qmp_pcie_offsets_v6_20 = {
.serdes = 0x1000,
.pcs = 0x1200,
.pcs_misc = 0x1400,
.tx = 0x0000,
.rx = 0x0200,
.tx2 = 0x0800,
.rx2 = 0x0a00,
.ln_shrd = 0x0e00,
};
static const struct qmp_pcie_cfg sm8550_qmp_gen3x2_pciephy_cfg = {
.lanes = 2,
.offsets = &qmp_pcie_offsets_v5,
.tbls = {
.serdes = sm8550_qmp_gen3x2_pcie_serdes_tbl,
.serdes_num = ARRAY_SIZE(sm8550_qmp_gen3x2_pcie_serdes_tbl),
.tx = sm8550_qmp_gen3x2_pcie_tx_tbl,
.tx_num = ARRAY_SIZE(sm8550_qmp_gen3x2_pcie_tx_tbl),
.rx = sm8550_qmp_gen3x2_pcie_rx_tbl,
.rx_num = ARRAY_SIZE(sm8550_qmp_gen3x2_pcie_rx_tbl),
.pcs = sm8550_qmp_gen3x2_pcie_pcs_tbl,
.pcs_num = ARRAY_SIZE(sm8550_qmp_gen3x2_pcie_pcs_tbl),
.pcs_misc = sm8550_qmp_gen3x2_pcie_pcs_misc_tbl,
.pcs_misc_num = ARRAY_SIZE(sm8550_qmp_gen3x2_pcie_pcs_misc_tbl),
},
.reset_list = sdm845_pciephy_reset_l,
.num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l),
.vreg_list = qmp_phy_vreg_l,
.num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
.regs = pciephy_v5_regs_layout,
.pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
.phy_status = PHYSTATUS,
};
static const struct qmp_pcie_cfg sm8550_qmp_gen4x2_pciephy_cfg = {
.lanes = 2,
.offsets = &qmp_pcie_offsets_v6_20,
.tbls = {
.serdes = sm8550_qmp_gen4x2_pcie_serdes_tbl,
.serdes_num = ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_serdes_tbl),
.tx = sm8550_qmp_gen4x2_pcie_tx_tbl,
.tx_num = ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_tx_tbl),
.rx = sm8550_qmp_gen4x2_pcie_rx_tbl,
.rx_num = ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_rx_tbl),
.pcs = sm8550_qmp_gen4x2_pcie_pcs_tbl,
.pcs_num = ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_pcs_tbl),
.pcs_misc = sm8550_qmp_gen4x2_pcie_pcs_misc_tbl,
.pcs_misc_num = ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_pcs_misc_tbl),
.ln_shrd = sm8550_qmp_gen4x2_pcie_ln_shrd_tbl,
.ln_shrd_num = ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_ln_shrd_tbl),
},
.reset_list = sdm845_pciephy_reset_l,
.num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l),
.vreg_list = sm8550_qmp_phy_vreg_l,
.num_vregs = ARRAY_SIZE(sm8550_qmp_phy_vreg_l),
.regs = pciephy_v6_regs_layout,
.pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
.phy_status = PHYSTATUS_4_20,
.has_nocsr_reset = true,
};
static const struct qmp_pcie_cfg sm8650_qmp_gen4x2_pciephy_cfg = {
.lanes = 2,
.offsets = &qmp_pcie_offsets_v6_20,
.tbls = {
.serdes = sm8550_qmp_gen4x2_pcie_serdes_tbl,
.serdes_num = ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_serdes_tbl),
.tx = sm8550_qmp_gen4x2_pcie_tx_tbl,
.tx_num = ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_tx_tbl),
.rx = sm8650_qmp_gen4x2_pcie_rx_tbl,
.rx_num = ARRAY_SIZE(sm8650_qmp_gen4x2_pcie_rx_tbl),
.pcs = sm8550_qmp_gen4x2_pcie_pcs_tbl,
.pcs_num = ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_pcs_tbl),
.pcs_misc = sm8550_qmp_gen4x2_pcie_pcs_misc_tbl,
.pcs_misc_num = ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_pcs_misc_tbl),
.ln_shrd = sm8550_qmp_gen4x2_pcie_ln_shrd_tbl,
.ln_shrd_num = ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_ln_shrd_tbl),
},
.reset_list = sdm845_pciephy_reset_l,
.num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l),
.vreg_list = sm8550_qmp_phy_vreg_l,
.num_vregs = ARRAY_SIZE(sm8550_qmp_phy_vreg_l),
.regs = pciephy_v6_regs_layout,
.pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
.phy_status = PHYSTATUS_4_20,
.has_nocsr_reset = true,
};
static const struct qmp_pcie_cfg x1e80100_qmp_gen4x2_pciephy_cfg = {
.lanes = 2,
.offsets = &qmp_pcie_offsets_v6_20,
.tbls = {
.serdes = x1e80100_qmp_gen4x2_pcie_serdes_tbl,
.serdes_num = ARRAY_SIZE(x1e80100_qmp_gen4x2_pcie_serdes_tbl),
.tx = x1e80100_qmp_gen4x2_pcie_tx_tbl,
.tx_num = ARRAY_SIZE(x1e80100_qmp_gen4x2_pcie_tx_tbl),
.rx = x1e80100_qmp_gen4x2_pcie_rx_tbl,
.rx_num = ARRAY_SIZE(x1e80100_qmp_gen4x2_pcie_rx_tbl),
.pcs = x1e80100_qmp_gen4x2_pcie_pcs_tbl,
.pcs_num = ARRAY_SIZE(x1e80100_qmp_gen4x2_pcie_pcs_tbl),
.pcs_misc = x1e80100_qmp_gen4x2_pcie_pcs_misc_tbl,
.pcs_misc_num = ARRAY_SIZE(x1e80100_qmp_gen4x2_pcie_pcs_misc_tbl),
.ln_shrd = x1e80100_qmp_gen4x2_pcie_ln_shrd_tbl,
.ln_shrd_num = ARRAY_SIZE(x1e80100_qmp_gen4x2_pcie_ln_shrd_tbl),
},
.reset_list = sdm845_pciephy_reset_l,
.num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l),
.vreg_list = qmp_phy_vreg_l,
.num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
.regs = pciephy_v6_regs_layout,
.pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
.phy_status = PHYSTATUS_4_20,
.has_nocsr_reset = true,
};
static void qmp_pcie_configure_lane(void __iomem *base,
const struct qmp_pcie_init_tbl tbl[],
int num, u8 lane_mask)
{
int i;
const struct qmp_pcie_init_tbl *t = tbl;
if (!t)
return;
for (i = 0; i < num; i++, t++) {
if (!(t->lane_mask & lane_mask))
continue;
writel(t->val, base + t->offset);
}
}
static void qmp_pcie_configure(void __iomem *base,
const struct qmp_pcie_init_tbl tbl[],
int num)
{
qmp_pcie_configure_lane(base, tbl, num, 0xff);
}
static void qmp_pcie_init_registers(struct qmp_pcie_priv *qmp, const struct qmp_pcie_cfg *cfg)
{
const struct qmp_pcie_cfg_tbls *tbls = &cfg->tbls;
void __iomem *serdes = qmp->serdes;
void __iomem *tx = qmp->tx;
void __iomem *rx = qmp->rx;
void __iomem *tx2 = qmp->tx2;
void __iomem *rx2 = qmp->rx2;
void __iomem *pcs = qmp->pcs;
void __iomem *pcs_misc = qmp->pcs_misc;
void __iomem *ln_shrd = qmp->ln_shrd;
qmp_pcie_configure(serdes, tbls->serdes, tbls->serdes_num);
qmp_pcie_configure_lane(tx, tbls->tx, tbls->tx_num, 1);
qmp_pcie_configure_lane(rx, tbls->rx, tbls->rx_num, 1);
if (cfg->lanes >= 2) {
qmp_pcie_configure_lane(tx2, tbls->tx, tbls->tx_num, 2);
qmp_pcie_configure_lane(rx2, tbls->rx, tbls->rx_num, 2);
}
qmp_pcie_configure(pcs, tbls->pcs, tbls->pcs_num);
qmp_pcie_configure(pcs_misc, tbls->pcs_misc, tbls->pcs_misc_num);
qmp_pcie_configure(ln_shrd, tbls->ln_shrd, tbls->ln_shrd_num);
}
static int qmp_pcie_do_reset(struct qmp_pcie_priv *qmp)
{
const struct qmp_pcie_cfg *cfg = qmp->cfg;
int i, ret;
for (i = 0; i < qmp->reset_count; i++) {
ret = reset_assert(&qmp->resets[i]);
if (ret)
return ret;
}
if (cfg->has_nocsr_reset)
reset_assert(&qmp->nocsr_reset);
udelay(10);
for (i = 0; i < qmp->reset_count; i++) {
ret = reset_deassert(&qmp->resets[i]);
if (ret)
return ret;
}
udelay(50);
return 0;
}
static int qmp_pcie_power_on(struct phy *phy)
{
struct qmp_pcie_priv *qmp = dev_get_priv(phy->dev);
const struct qmp_pcie_cfg *cfg = qmp->cfg;
void __iomem *pcs = qmp->pcs;
void __iomem *status;
unsigned int mask, val;
int ret, i;
for (i = 0; i < qmp->vreg_count; i++) {
ret = regulator_set_enable(qmp->vregs[i], true);
if (ret && ret != -ENOSYS)
dev_err(phy->dev, "failed to enable regulator %d (%d)\n", i, ret);
}
ret = qmp_pcie_do_reset(qmp);
if (ret)
return ret;
for (i = 0; i < qmp->clk_count; i++) {
ret = clk_enable(&qmp->clks[i]);
if (ret && ret != -ENOSYS) {
dev_err(phy->dev, "failed to enable clock %d\n", i);
return ret;
}
}
/* Power down PHY */
qphy_setbits(pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], cfg->pwrdn_ctrl);
qmp_pcie_init_registers(qmp, cfg);
clk_enable(&qmp->pipe_clk);
if (cfg->has_nocsr_reset)
reset_deassert(&qmp->nocsr_reset);
/* Pull PHY out of reset state */
qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
/* start SerDes */
qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], SERDES_START | PCS_START);
status = pcs + cfg->regs[QPHY_PCS_STATUS];
mask = cfg->phy_status;
ret = readl_poll_timeout(status, val, !(val & mask), PHY_INIT_COMPLETE_TIMEOUT);
if (ret) {
dev_err(phy->dev, "phy initialization timed-out\n");
return ret;
}
return 0;
}
static int qmp_pcie_power_off(struct phy *phy)
{
struct qmp_pcie_priv *qmp = dev_get_priv(phy->dev);
const struct qmp_pcie_cfg *cfg = qmp->cfg;
clk_disable(&qmp->pipe_clk);
/* PHY reset */
qphy_setbits(qmp->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
/* stop SerDes and Phy-Coding-Sublayer */
qphy_clrbits(qmp->pcs, cfg->regs[QPHY_START_CTRL],
SERDES_START | PCS_START);
/* Put PHY into POWER DOWN state: active low */
qphy_clrbits(qmp->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
cfg->pwrdn_ctrl);
return 0;
}
static int qmp_pcie_vreg_init(struct udevice *dev, struct qmp_pcie_priv *qmp)
{
const struct qmp_pcie_cfg *cfg = qmp->cfg;
unsigned int vreg;
int ret;
qmp->vreg_count = cfg->num_vregs;
for (vreg = 0; vreg < NUM_SUPPLIES && vreg < qmp->vreg_count; ++vreg) {
ret = device_get_supply_regulator(dev, cfg->vreg_list[vreg], &qmp->vregs[vreg]);
if (ret)
dev_warn(dev, "failed to get regulator %d (%d)\n", vreg, ret);
regulator_set_enable(qmp->vregs[vreg], true);
}
return 0;
}
static int qmp_pcie_reset_init(struct udevice *dev, struct qmp_pcie_priv *qmp)
{
const struct qmp_pcie_cfg *cfg = qmp->cfg;
int num = cfg->num_resets;
int i, ret;
qmp->reset_count = 0;
qmp->resets = devm_kcalloc(dev, num, sizeof(*qmp->resets), GFP_KERNEL);
if (!qmp->resets)
return -ENOMEM;
for (i = 0; i < num; i++) {
ret = reset_get_by_name(dev, cfg->reset_list[i], &qmp->resets[i]);
if (ret) {
dev_err(dev, "failed to get reset %d\n", i);
goto reset_get_err;
}
++qmp->reset_count;
}
if (cfg->has_nocsr_reset) {
ret = reset_get_by_name(dev, "phy_nocsr", &qmp->nocsr_reset);
if (ret)
dev_warn(dev, "failed to get nocsr reset\n");
}
return 0;
reset_get_err:
reset_release_all(qmp->resets, qmp->reset_count);
return ret;
}
static int qmp_pcie_clk_init(struct udevice *dev, struct qmp_pcie_priv *qmp)
{
int num = ARRAY_SIZE(qmp_pciephy_clk_l);
int i, ret;
qmp->clk_count = 0;
qmp->clks = devm_kcalloc(dev, num, sizeof(*qmp->clks), GFP_KERNEL);
if (!qmp->clks)
return -ENOMEM;
for (i = 0; i < num; i++) {
ret = clk_get_by_name(dev, qmp_pciephy_clk_l[i], &qmp->clks[i]);
/* Ignore failure to get ref clock */
if (ret && strcmp(qmp_pciephy_clk_l[i], "ref") != 0) {
dev_err(dev, "failed to get clock %d\n", i);
goto clk_get_err;
}
++qmp->clk_count;
}
ret = clk_get_by_name(dev, "pipe", &qmp->pipe_clk);
if (ret)
dev_warn(dev, "failed to get pipe clock\n");
return 0;
clk_get_err:
clk_release_all(qmp->clks, qmp->clk_count);
return ret;
}
static int qmp_pcie_parse_dt(struct udevice *dev, struct qmp_pcie_priv *qmp)
{
const struct qmp_pcie_offsets *offs = qmp->cfg->offsets;
const struct qmp_pcie_cfg *cfg = qmp->cfg;
struct resource res;
int ret;
if (!qmp->cfg->offsets) {
dev_err(dev, "missing PCIE offsets\n");
return -EINVAL;
}
ret = ofnode_read_resource(dev_ofnode(dev), 0, &res);
if (ret) {
dev_err(dev, "can't get reg property\n");
return ret;
}
qmp->serdes = (void __iomem *)res.start + offs->serdes;
qmp->pcs = (void __iomem *)res.start + offs->pcs;
qmp->pcs_misc = (void __iomem *)res.start + offs->pcs_misc;
qmp->tx = (void __iomem *)res.start + offs->tx;
qmp->rx = (void __iomem *)res.start + offs->rx;
if (qmp->cfg->lanes >= 2) {
qmp->tx2 = (void __iomem *)res.start + offs->tx2;
qmp->rx2 = (void __iomem *)res.start + offs->rx2;
}
if (cfg->tbls.ln_shrd)
qmp->ln_shrd = (void __iomem *)res.start + offs->ln_shrd;
return 0;
}
static int qmp_pcie_probe(struct udevice *dev)
{
struct qmp_pcie_priv *qmp = dev_get_priv(dev);
int ret;
qmp->serdes = (void __iomem *)dev_read_addr(dev);
if (IS_ERR(qmp->serdes))
return PTR_ERR(qmp->serdes);
qmp->cfg = (const struct qmp_pcie_cfg *)dev_get_driver_data(dev);
if (!qmp->cfg)
return -EINVAL;
ret = qmp_pcie_clk_init(dev, qmp);
if (ret) {
dev_err(dev, "failed to get PCIE clks\n");
return ret;
}
ret = qmp_pcie_vreg_init(dev, qmp);
if (ret) {
dev_err(dev, "failed to get PCIE voltage regulators\n");
return ret;
}
ret = qmp_pcie_reset_init(dev, qmp);
if (ret) {
dev_err(dev, "failed to get PCIE resets\n");
return ret;
}
qmp->dev = dev;
return qmp_pcie_parse_dt(dev, qmp);
}
static struct phy_ops qmp_pcie_ops = {
.power_on = qmp_pcie_power_on,
.power_off = qmp_pcie_power_off,
};
static const struct udevice_id qmp_pcie_ids[] = {
{
.compatible = "qcom,sm8550-qmp-gen3x2-pcie-phy",
.data = (ulong)&sm8550_qmp_gen3x2_pciephy_cfg,
}, {
.compatible = "qcom,sm8550-qmp-gen4x2-pcie-phy",
.data = (ulong)&sm8550_qmp_gen4x2_pciephy_cfg
}, {
.compatible = "qcom,sm8650-qmp-gen3x2-pcie-phy",
.data = (ulong)&sm8550_qmp_gen3x2_pciephy_cfg,
}, {
.compatible = "qcom,sm8650-qmp-gen4x2-pcie-phy",
.data = (ulong)&sm8650_qmp_gen4x2_pciephy_cfg
}, {
.compatible = "qcom,x1e80100-qmp-gen3x2-pcie-phy",
.data = (ulong)&sm8550_qmp_gen3x2_pciephy_cfg
}, {
.compatible = "qcom,x1e80100-qmp-gen4x2-pcie-phy",
.data = (ulong)&x1e80100_qmp_gen4x2_pciephy_cfg
}, {
.compatible = "qcom,x1e80100-qmp-gen4x4-pcie-phy",
.data = (ulong)&x1e80100_qmp_gen4x2_pciephy_cfg
},
{ /* sentinel */ }
};
U_BOOT_DRIVER(qcom_qmp_pcie) = {
.name = "qcom-qmp-pcie",
.id = UCLASS_PHY,
.of_match = qmp_pcie_ids,
.ops = &qmp_pcie_ops,
.probe = qmp_pcie_probe,
.priv_auto = sizeof(struct qmp_pcie_priv),
};
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