blob: 8908a34df548340556d92ac8ca488dbbbd0e293a [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2017, The Linux Foundation. All rights reserved.
* Copyright (C) 2023-2024 Linaro Limited
* Authors:
* - Bhupesh Sharma <bhupesh.sharma@linaro.org>
* - Neil Armstrong <neil.armstrong@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 <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-ufs-v2.h"
#include "phy-qcom-qmp-pcs-ufs-v3.h"
#include "phy-qcom-qmp-pcs-ufs-v4.h"
#include "phy-qcom-qmp-pcs-ufs-v5.h"
#include "phy-qcom-qmp-pcs-ufs-v6.h"
#include "phy-qcom-qmp-qserdes-com-v4.h"
#include "phy-qcom-qmp-qserdes-com-v6.h"
#include "phy-qcom-qmp-qserdes-txrx-v4.h"
#include "phy-qcom-qmp-qserdes-txrx-ufs-v6.h"
/* QPHY_SW_RESET bit */
#define SW_RESET BIT(0)
/* QPHY_POWER_DOWN_CONTROL */
#define SW_PWRDN BIT(0)
/* QPHY_START_CONTROL bits */
#define SERDES_START BIT(0)
#define PCS_START BIT(1)
/* QPHY_PCS_READY_STATUS bit */
#define PCS_READY BIT(0)
#define PHY_INIT_COMPLETE_TIMEOUT (200 * 10000)
struct qmp_ufs_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_READY_STATUS,
QPHY_PCS_POWER_DOWN_CONTROL,
/* Keep last to ensure regs_layout arrays are properly initialized */
QPHY_LAYOUT_SIZE
};
static const unsigned int ufsphy_v2_regs_layout[QPHY_LAYOUT_SIZE] = {
[QPHY_START_CTRL] = QPHY_V2_PCS_UFS_PHY_START,
[QPHY_PCS_READY_STATUS] = QPHY_V2_PCS_UFS_READY_STATUS,
[QPHY_PCS_POWER_DOWN_CONTROL] = QPHY_V2_PCS_UFS_POWER_DOWN_CONTROL,
};
static const unsigned int ufsphy_v3_regs_layout[QPHY_LAYOUT_SIZE] = {
[QPHY_START_CTRL] = QPHY_V3_PCS_UFS_PHY_START,
[QPHY_PCS_READY_STATUS] = QPHY_V3_PCS_UFS_READY_STATUS,
[QPHY_PCS_POWER_DOWN_CONTROL] = QPHY_V3_PCS_UFS_POWER_DOWN_CONTROL,
};
static const unsigned int ufsphy_v4_regs_layout[QPHY_LAYOUT_SIZE] = {
[QPHY_START_CTRL] = QPHY_V4_PCS_UFS_PHY_START,
[QPHY_PCS_READY_STATUS] = QPHY_V4_PCS_UFS_READY_STATUS,
[QPHY_SW_RESET] = QPHY_V4_PCS_UFS_SW_RESET,
[QPHY_PCS_POWER_DOWN_CONTROL] = QPHY_V4_PCS_UFS_POWER_DOWN_CONTROL,
};
static const unsigned int ufsphy_v6_regs_layout[QPHY_LAYOUT_SIZE] = {
[QPHY_START_CTRL] = QPHY_V6_PCS_UFS_PHY_START,
[QPHY_PCS_READY_STATUS] = QPHY_V6_PCS_UFS_READY_STATUS,
[QPHY_SW_RESET] = QPHY_V6_PCS_UFS_SW_RESET,
[QPHY_PCS_POWER_DOWN_CONTROL] = QPHY_V6_PCS_UFS_POWER_DOWN_CONTROL,
};
static const struct qmp_ufs_init_tbl sdm845_ufsphy_serdes[] = {
QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_BG_TIMER, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x07),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0xd5),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_RESETSM_CNTRL, 0x20),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_CTRL, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x05),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_INITVAL1, 0xff),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_INITVAL2, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x82),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE0, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE0, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE0, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0, 0x3f),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE0, 0xda),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE0, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0xff),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x0c),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE1, 0x98),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE1, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE1, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE1, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE1, 0x3f),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE1, 0xc1),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE1, 0x32),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE1, 0x0f),
};
static const struct qmp_ufs_init_tbl sdm845_ufsphy_hs_b_serdes[] = {
QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x44),
};
static const struct qmp_ufs_init_tbl sdm845_ufsphy_tx[] = {
QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX, 0x07),
};
static const struct qmp_ufs_init_tbl sdm845_ufsphy_rx[] = {
QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_LVL, 0x24),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x1e),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_INTERFACE_MODE, 0x40),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_TERM_BW, 0x5b),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x1b),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SVS_SO_GAIN_HALF, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SVS_SO_GAIN_QUARTER, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SVS_SO_GAIN, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_PI_CONTROLS, 0x81),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_COUNT_LOW, 0x80),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_MODE_00, 0x59),
};
static const struct qmp_ufs_init_tbl sdm845_ufsphy_pcs[] = {
QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_RX_SIGDET_CTRL2, 0x6e),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x0a),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_TX_SMALL_AMP_DRV_LVL, 0x02),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_RX_SYM_RESYNC_CTRL, 0x03),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_TX_MID_TERM_CTRL1, 0x43),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_RX_SIGDET_CTRL1, 0x0f),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_RX_MIN_HIBERN8_TIME, 0x9a),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_MULTI_LANE_CTRL1, 0x02),
};
static const struct qmp_ufs_init_tbl sm8150_ufsphy_serdes[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0xd9),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x11),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_HS_SWITCH_SEL, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x02),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_IVCO, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_INITVAL2, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_HSCLK_SEL, 0x11),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x82),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE0, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE0, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE0, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0xff),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x0c),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE0, 0xac),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE1, 0x98),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE1, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE1, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE1, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE1, 0x32),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE1, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE1, 0xdd),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE1, 0x23),
};
static const struct qmp_ufs_init_tbl sm8150_ufsphy_hs_b_serdes[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x06),
};
static const struct qmp_ufs_init_tbl sm8150_ufsphy_tx[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_TX_PWM_GEAR_1_DIVIDER_BAND0_1, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V4_TX_PWM_GEAR_2_DIVIDER_BAND0_1, 0x03),
QMP_PHY_INIT_CFG(QSERDES_V4_TX_PWM_GEAR_3_DIVIDER_BAND0_1, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V4_TX_PWM_GEAR_4_DIVIDER_BAND0_1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0x05),
QMP_PHY_INIT_CFG(QSERDES_V4_TX_TRAN_DRVR_EMP_EN, 0x0c),
};
static const struct qmp_ufs_init_tbl sm8150_ufsphy_rx[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_LVL, 0x24),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x1e),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_BAND, 0x18),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0xf1),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0x80),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CTRL2, 0x80),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FO_GAIN, 0x0c),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_TERM_BW, 0x1b),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x1d),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_MEASURE_TIME, 0x10),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0xf6),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x3b),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x3d),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xe0),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xc8),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0xc8),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x3b),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb1),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_LOW, 0xe0),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH, 0xc8),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH2, 0xc8),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH3, 0x3b),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH4, 0xb1),
};
static const struct qmp_ufs_init_tbl sm8150_ufsphy_pcs[] = {
QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_RX_SIGDET_CTRL2, 0x6d),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x0a),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_SMALL_AMP_DRV_LVL, 0x02),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_MID_TERM_CTRL1, 0x43),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_DEBUG_BUS_CLKSEL, 0x1f),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_RX_MIN_HIBERN8_TIME, 0xff),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_MULTI_LANE_CTRL1, 0x02),
};
static const struct qmp_ufs_init_tbl sm8150_ufsphy_hs_g4_pcs[] = {
QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x10),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_BIST_FIXED_PAT_CTRL, 0x0a),
};
static const struct qmp_ufs_init_tbl sm8250_ufsphy_hs_g4_tx[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xe5),
};
static const struct qmp_ufs_init_tbl sm8250_ufsphy_hs_g4_rx[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x5a),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CTRL2, 0x81),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FO_GAIN, 0x0e),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_TERM_BW, 0x6f),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL1, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x09),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x07),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x17),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_MEASURE_TIME, 0x20),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0x80),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0x3f),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH, 0xff),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0xff),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x2c),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0x6d),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0x6d),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0xed),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0x3c),
};
static const struct qmp_ufs_init_tbl sm8550_ufsphy_serdes[] = {
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYSCLK_EN_SEL, 0xd9),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_CONFIG_1, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_SEL_1, 0x11),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_HS_SWITCH_SEL_1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP_EN, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE_MAP, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_IVCO, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE_INITVAL2, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE0, 0x41),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE0, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE0, 0x18),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE0, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE0, 0x7f),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE0, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE1, 0x4c),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE1, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE1, 0x18),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE1, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE1, 0x99),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE1, 0x07),
};
static const struct qmp_ufs_init_tbl sm8550_ufsphy_hs_b_serdes[] = {
QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE_MAP, 0x44),
};
static const struct qmp_ufs_init_tbl sm8550_ufsphy_tx[] = {
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_TX_LANE_MODE_1, 0x05),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_TX_RES_CODE_LANE_OFFSET_TX, 0x07),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_TX_FR_DCC_CTRL, 0x4c),
};
static const struct qmp_ufs_init_tbl sm8550_ufsphy_rx[] = {
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_UCDR_FO_GAIN_RATE2, 0x0c),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_VGA_CAL_MAN_VAL, 0x0e),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE_0_1_B0, 0xc2),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE_0_1_B1, 0xc2),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE_0_1_B3, 0x1a),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE_0_1_B6, 0x60),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE2_B3, 0x9e),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE2_B6, 0x60),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE3_B3, 0x9e),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE3_B4, 0x0e),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE3_B5, 0x36),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE3_B8, 0x02),
};
static const struct qmp_ufs_init_tbl sm8550_ufsphy_pcs[] = {
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_RX_SIGDET_CTRL2, 0x69),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x0f),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_TX_MID_TERM_CTRL1, 0x43),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_MULTI_LANE_CTRL1, 0x02),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_PLL_CNTL, 0x2b),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_TX_HSGEAR_CAPABILITY, 0x04),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_RX_HSGEAR_CAPABILITY, 0x04),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_PLL_CNTL, 0x33),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_RX_HS_G5_SYNC_LENGTH_CAPABILITY, 0x4f),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_RX_HSG5_SYNC_WAIT_TIME, 0x9e),
};
static const struct qmp_ufs_init_tbl sm8650_ufsphy_serdes[] = {
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYSCLK_EN_SEL, 0xd9),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_CONFIG_1, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_SEL_1, 0x11),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_HS_SWITCH_SEL_1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP_EN, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_IVCO, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_IVCO_MODE1, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_IETRIM, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_IPTRIM, 0x17),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE_MAP, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE_INITVAL2, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE0, 0x41),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE0, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE0, 0x18),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE0, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE0, 0x7f),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE0, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE1, 0x4c),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE1, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE1, 0x18),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE1, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE1, 0x99),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE1, 0x07),
};
static const struct qmp_ufs_init_tbl sm8650_ufsphy_tx[] = {
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_TX_LANE_MODE_1, 0x01),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_TX_RES_CODE_LANE_OFFSET_TX, 0x07),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_TX_RES_CODE_LANE_OFFSET_RX, 0x0e),
};
static const struct qmp_ufs_init_tbl sm8650_ufsphy_rx[] = {
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_UCDR_FO_GAIN_RATE2, 0x0c),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_UCDR_FO_GAIN_RATE4, 0x0c),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_UCDR_SO_GAIN_RATE4, 0x04),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x14),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_UCDR_PI_CONTROLS, 0x07),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_OFFSET_ADAPTOR_CNTRL3, 0x0e),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_UCDR_FASTLOCK_COUNT_HIGH_RATE4, 0x02),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_UCDR_FASTLOCK_FO_GAIN_RATE4, 0x1c),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_UCDR_FASTLOCK_SO_GAIN_RATE4, 0x06),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_VGA_CAL_MAN_VAL, 0x3e),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE_0_1_B0, 0xce),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE_0_1_B1, 0xce),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE_0_1_B2, 0x18),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE_0_1_B3, 0x1a),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE_0_1_B4, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE_0_1_B6, 0x60),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE2_B3, 0x9e),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE2_B6, 0x60),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE3_B3, 0x9e),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE3_B4, 0x0e),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE3_B5, 0x36),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE3_B8, 0x02),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE4_B0, 0x24),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE4_B1, 0x24),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE4_B2, 0x20),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE4_B3, 0xb9),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE4_B4, 0x4f),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_UCDR_SO_SATURATION, 0x1f),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_UCDR_PI_CTRL1, 0x94),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_RX_TERM_BW_CTRL0, 0xfa),
QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_DLL0_FTUNE_CTRL, 0x30),
};
static const struct qmp_ufs_init_tbl sm8650_ufsphy_pcs[] = {
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_MULTI_LANE_CTRL1, 0x02),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_TX_MID_TERM_CTRL1, 0x43),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_PCS_CTRL1, 0xc1),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x0f),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_RX_SIGDET_CTRL2, 0x68),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_TX_POST_EMP_LVL_S4, 0x0e),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_TX_POST_EMP_LVL_S5, 0x12),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_TX_POST_EMP_LVL_S6, 0x15),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_TX_POST_EMP_LVL_S7, 0x19),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_PLL_CNTL, 0x13),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_TX_HSGEAR_CAPABILITY, 0x04),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_RX_HSGEAR_CAPABILITY, 0x04),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_PLL_CNTL, 0x33),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_TX_HSGEAR_CAPABILITY, 0x05),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_RX_HSGEAR_CAPABILITY, 0x05),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_RX_HS_G5_SYNC_LENGTH_CAPABILITY, 0x4d),
QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_RX_HSG5_SYNC_WAIT_TIME, 0x9e),
};
struct qmp_ufs_offsets {
u16 serdes;
u16 pcs;
u16 tx;
u16 rx;
/* for PHYs with >= 2 lanes */
u16 tx2;
u16 rx2;
};
struct qmp_ufs_cfg_tbls {
/* Init sequence for PHY blocks - serdes, tx, rx, pcs */
const struct qmp_ufs_init_tbl *serdes;
int serdes_num;
const struct qmp_ufs_init_tbl *tx;
int tx_num;
const struct qmp_ufs_init_tbl *rx;
int rx_num;
const struct qmp_ufs_init_tbl *pcs;
int pcs_num;
};
/* struct qmp_ufs_cfg - per-PHY initialization config */
struct qmp_ufs_cfg {
int lanes;
const struct qmp_ufs_offsets *offsets;
/* Main init sequence for PHY blocks - serdes, tx, rx, pcs */
const struct qmp_ufs_cfg_tbls tbls;
/* Additional sequence for HS Series B */
const struct qmp_ufs_cfg_tbls tbls_hs_b;
/* Additional sequence for HS G4 */
const struct qmp_ufs_cfg_tbls tbls_hs_g4;
/* clock ids to be requested */
const char * const *clk_list;
int num_clks;
/* 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;
/* true, if PCS block has no separate SW_RESET register */
bool no_pcs_sw_reset;
};
struct qmp_ufs_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;
struct clk *clks;
unsigned int clk_count;
struct reset_ctl *resets;
unsigned int reset_count;
const struct qmp_ufs_cfg *cfg;
struct udevice *dev;
u32 mode;
u32 submode;
};
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 sdm845_ufs_phy_clk_l[] = {
"ref", "ref_aux",
};
/* list of regulators */
static const char * const qmp_ufs_vreg_l[] = {
"vdda-phy", "vdda-pll",
};
/* list of resets */
static const char * const qmp_ufs_reset_l[] = {
"ufsphy",
};
static const struct qmp_ufs_offsets qmp_ufs_offsets = {
.serdes = 0,
.pcs = 0xc00,
.tx = 0x400,
.rx = 0x600,
.tx2 = 0x800,
.rx2 = 0xa00,
};
static const struct qmp_ufs_offsets qmp_ufs_offsets_v6 = {
.serdes = 0,
.pcs = 0x0400,
.tx = 0x1000,
.rx = 0x1200,
.tx2 = 0x1800,
.rx2 = 0x1a00,
};
static const struct qmp_ufs_cfg sdm845_ufsphy_cfg = {
.lanes = 2,
.offsets = &qmp_ufs_offsets,
.tbls = {
.serdes = sdm845_ufsphy_serdes,
.serdes_num = ARRAY_SIZE(sdm845_ufsphy_serdes),
.tx = sdm845_ufsphy_tx,
.tx_num = ARRAY_SIZE(sdm845_ufsphy_tx),
.rx = sdm845_ufsphy_rx,
.rx_num = ARRAY_SIZE(sdm845_ufsphy_rx),
.pcs = sdm845_ufsphy_pcs,
.pcs_num = ARRAY_SIZE(sdm845_ufsphy_pcs),
},
.tbls_hs_b = {
.serdes = sdm845_ufsphy_hs_b_serdes,
.serdes_num = ARRAY_SIZE(sdm845_ufsphy_hs_b_serdes),
},
.clk_list = sdm845_ufs_phy_clk_l,
.num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l),
.vreg_list = qmp_ufs_vreg_l,
.num_vregs = ARRAY_SIZE(qmp_ufs_vreg_l),
.regs = ufsphy_v3_regs_layout,
.no_pcs_sw_reset = true,
};
static const struct qmp_ufs_cfg sm8250_ufsphy_cfg = {
.lanes = 2,
.offsets = &qmp_ufs_offsets,
.tbls = {
.serdes = sm8150_ufsphy_serdes,
.serdes_num = ARRAY_SIZE(sm8150_ufsphy_serdes),
.tx = sm8150_ufsphy_tx,
.tx_num = ARRAY_SIZE(sm8150_ufsphy_tx),
.rx = sm8150_ufsphy_rx,
.rx_num = ARRAY_SIZE(sm8150_ufsphy_rx),
.pcs = sm8150_ufsphy_pcs,
.pcs_num = ARRAY_SIZE(sm8150_ufsphy_pcs),
},
.tbls_hs_b = {
.serdes = sm8150_ufsphy_hs_b_serdes,
.serdes_num = ARRAY_SIZE(sm8150_ufsphy_hs_b_serdes),
},
.tbls_hs_g4 = {
.tx = sm8250_ufsphy_hs_g4_tx,
.tx_num = ARRAY_SIZE(sm8250_ufsphy_hs_g4_tx),
.rx = sm8250_ufsphy_hs_g4_rx,
.rx_num = ARRAY_SIZE(sm8250_ufsphy_hs_g4_rx),
.pcs = sm8150_ufsphy_hs_g4_pcs,
.pcs_num = ARRAY_SIZE(sm8150_ufsphy_hs_g4_pcs),
},
.clk_list = sdm845_ufs_phy_clk_l,
.num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l),
.vreg_list = qmp_ufs_vreg_l,
.num_vregs = ARRAY_SIZE(qmp_ufs_vreg_l),
.reset_list = qmp_ufs_reset_l,
.num_resets = ARRAY_SIZE(qmp_ufs_reset_l),
.regs = ufsphy_v4_regs_layout,
.no_pcs_sw_reset = false,
};
static const struct qmp_ufs_cfg sm8550_ufsphy_cfg = {
.lanes = 2,
.offsets = &qmp_ufs_offsets_v6,
.tbls = {
.serdes = sm8550_ufsphy_serdes,
.serdes_num = ARRAY_SIZE(sm8550_ufsphy_serdes),
.tx = sm8550_ufsphy_tx,
.tx_num = ARRAY_SIZE(sm8550_ufsphy_tx),
.rx = sm8550_ufsphy_rx,
.rx_num = ARRAY_SIZE(sm8550_ufsphy_rx),
.pcs = sm8550_ufsphy_pcs,
.pcs_num = ARRAY_SIZE(sm8550_ufsphy_pcs),
},
.tbls_hs_b = {
.serdes = sm8550_ufsphy_hs_b_serdes,
.serdes_num = ARRAY_SIZE(sm8550_ufsphy_hs_b_serdes),
},
.clk_list = sdm845_ufs_phy_clk_l,
.num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l),
.vreg_list = qmp_ufs_vreg_l,
.num_vregs = ARRAY_SIZE(qmp_ufs_vreg_l),
.regs = ufsphy_v6_regs_layout,
.no_pcs_sw_reset = false,
};
static const struct qmp_ufs_cfg sm8650_ufsphy_cfg = {
.lanes = 2,
.offsets = &qmp_ufs_offsets_v6,
.tbls = {
.serdes = sm8650_ufsphy_serdes,
.serdes_num = ARRAY_SIZE(sm8650_ufsphy_serdes),
.tx = sm8650_ufsphy_tx,
.tx_num = ARRAY_SIZE(sm8650_ufsphy_tx),
.rx = sm8650_ufsphy_rx,
.rx_num = ARRAY_SIZE(sm8650_ufsphy_rx),
.pcs = sm8650_ufsphy_pcs,
.pcs_num = ARRAY_SIZE(sm8650_ufsphy_pcs),
},
.clk_list = sdm845_ufs_phy_clk_l,
.num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l),
.vreg_list = qmp_ufs_vreg_l,
.num_vregs = ARRAY_SIZE(qmp_ufs_vreg_l),
.regs = ufsphy_v6_regs_layout,
.no_pcs_sw_reset = false,
};
static void qmp_ufs_configure_lane(void __iomem *base,
const struct qmp_ufs_init_tbl tbl[],
int num,
u8 lane_mask)
{
int i;
const struct qmp_ufs_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_ufs_configure(void __iomem *base,
const struct qmp_ufs_init_tbl tbl[],
int num)
{
qmp_ufs_configure_lane(base, tbl, num, 0xff);
}
static void qmp_ufs_serdes_init(struct qmp_ufs_priv *qmp, const struct qmp_ufs_cfg_tbls *tbls)
{
void __iomem *serdes = qmp->serdes;
qmp_ufs_configure(serdes, tbls->serdes, tbls->serdes_num);
}
static void qmp_ufs_lanes_init(struct qmp_ufs_priv *qmp, const struct qmp_ufs_cfg_tbls *tbls)
{
const struct qmp_ufs_cfg *cfg = qmp->cfg;
void __iomem *tx = qmp->tx;
void __iomem *rx = qmp->rx;
qmp_ufs_configure_lane(tx, tbls->tx, tbls->tx_num, 1);
qmp_ufs_configure_lane(rx, tbls->rx, tbls->rx_num, 1);
if (cfg->lanes >= 2) {
qmp_ufs_configure_lane(qmp->tx2, tbls->tx, tbls->tx_num, 2);
qmp_ufs_configure_lane(qmp->rx2, tbls->rx, tbls->rx_num, 2);
}
}
static void qmp_ufs_pcs_init(struct qmp_ufs_priv *qmp, const struct qmp_ufs_cfg_tbls *tbls)
{
void __iomem *pcs = qmp->pcs;
qmp_ufs_configure(pcs, tbls->pcs, tbls->pcs_num);
}
static void qmp_ufs_init_registers(struct qmp_ufs_priv *qmp, const struct qmp_ufs_cfg *cfg)
{
/* We support 'PHY_MODE_UFS_HS_B' mode & 'UFS_HS_G3' submode for now. */
qmp_ufs_serdes_init(qmp, &cfg->tbls);
qmp_ufs_serdes_init(qmp, &cfg->tbls_hs_b);
qmp_ufs_serdes_init(qmp, &cfg->tbls_hs_g4);
qmp_ufs_lanes_init(qmp, &cfg->tbls);
qmp_ufs_pcs_init(qmp, &cfg->tbls);
}
static int qmp_ufs_do_reset(struct qmp_ufs_priv *qmp)
{
int i, ret;
for (i = 0; i < qmp->reset_count; i++) {
ret = reset_assert(&qmp->resets[i]);
if (ret)
return ret;
}
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_ufs_power_on(struct phy *phy)
{
struct qmp_ufs_priv *qmp = dev_get_priv(phy->dev);
const struct qmp_ufs_cfg *cfg = qmp->cfg;
void __iomem *pcs = qmp->pcs;
void __iomem *status;
unsigned int val;
int ret;
/* Power down PHY */
qphy_setbits(pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], SW_PWRDN);
qmp_ufs_init_registers(qmp, cfg);
if (cfg->no_pcs_sw_reset) {
ret = qmp_ufs_do_reset(qmp);
if (ret) {
dev_err(phy->dev, "qmp reset failed\n");
return ret;
}
}
/* Pull PHY out of reset state */
if (!cfg->no_pcs_sw_reset)
qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
/* start SerDes */
qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], SERDES_START);
status = pcs + cfg->regs[QPHY_PCS_READY_STATUS];
ret = readl_poll_timeout(status, val, (val & PCS_READY), PHY_INIT_COMPLETE_TIMEOUT);
if (ret) {
dev_err(phy->dev, "phy initialization timed-out\n");
return ret;
}
return 0;
}
static int qmp_ufs_power_off(struct phy *phy)
{
struct qmp_ufs_priv *qmp = dev_get_priv(phy->dev);
const struct qmp_ufs_cfg *cfg = qmp->cfg;
/* 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],
SW_PWRDN);
clk_release_all(qmp->clks, qmp->clk_count);
return 0;
}
static int qmp_ufs_vreg_init(struct udevice *dev, struct qmp_ufs_priv *qmp)
{
/* TOFIX: Add regulator support, but they should be voted at boot time already */
return 0;
}
static int qmp_ufs_reset_init(struct udevice *dev, struct qmp_ufs_priv *qmp)
{
const struct qmp_ufs_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_index(dev, i, &qmp->resets[i]);
if (ret < 0) {
dev_err(dev, "failed to get reset %d\n", i);
goto reset_get_err;
}
++qmp->reset_count;
}
return 0;
reset_get_err:
ret = reset_release_all(qmp->resets, qmp->reset_count);
if (ret)
dev_warn(dev, "failed to disable all resets\n");
return ret;
}
static int qmp_ufs_clk_init(struct udevice *dev, struct qmp_ufs_priv *qmp)
{
const struct qmp_ufs_cfg *cfg = qmp->cfg;
int num = cfg->num_clks;
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_index(dev, i, &qmp->clks[i]);
if (ret < 0)
goto clk_get_err;
ret = clk_enable(&qmp->clks[i]);
if (ret && ret != -ENOSYS) {
dev_err(dev, "failed to enable clock %d\n", i);
goto clk_get_err;
}
++qmp->clk_count;
}
return 0;
clk_get_err:
ret = clk_release_all(qmp->clks, qmp->clk_count);
if (ret)
dev_warn(dev, "failed to disable all clocks\n");
return ret;
}
static int qmp_ufs_probe_generic_child(struct udevice *dev,
ofnode child)
{
struct qmp_ufs_priv *qmp = dev_get_priv(dev);
const struct qmp_ufs_cfg *cfg = qmp->cfg;
struct resource res;
int ret;
/*
* Get memory resources for the PHY:
* Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2.
* For dual lane PHYs: tx2 -> 3, rx2 -> 4, pcs_misc (optional) -> 5
* For single lane PHYs: pcs_misc (optional) -> 3.
*/
ret = ofnode_read_resource(child, 0, &res);
if (ret) {
dev_err(dev, "can't get reg property of child %s\n",
ofnode_get_name(child));
return ret;
}
qmp->tx = (void __iomem *)res.start;
ret = ofnode_read_resource(child, 1, &res);
if (ret) {
dev_err(dev, "can't get reg property of child %s\n",
ofnode_get_name(child));
return ret;
}
qmp->rx = (void __iomem *)res.start;
ret = ofnode_read_resource(child, 2, &res);
if (ret) {
dev_err(dev, "can't get reg property of child %s\n",
ofnode_get_name(child));
return ret;
}
qmp->pcs = (void __iomem *)res.start;
if (cfg->lanes >= 2) {
ret = ofnode_read_resource(child, 3, &res);
if (ret) {
dev_err(dev, "can't get reg property of child %s\n",
ofnode_get_name(child));
return ret;
}
qmp->tx2 = (void __iomem *)res.start;
ret = ofnode_read_resource(child, 4, &res);
if (ret) {
dev_err(dev, "can't get reg property of child %s\n",
ofnode_get_name(child));
return ret;
}
qmp->rx2 = (void __iomem *)res.start;
ret = ofnode_read_resource(child, 5, &res);
if (ret)
qmp->pcs_misc = NULL;
} else {
ret = ofnode_read_resource(child, 3, &res);
if (ret)
qmp->pcs_misc = NULL;
}
return 0;
}
static int qmp_ufs_probe_dt_children(struct udevice *dev)
{
int ret;
ofnode child;
ofnode_for_each_subnode(child, dev_ofnode(dev)) {
ret = qmp_ufs_probe_generic_child(dev, child);
if (ret) {
dev_err(dev, "Cannot parse child %s:%d\n",
ofnode_get_name(child), ret);
return ret;
}
}
return 0;
}
static int qmp_ufs_probe(struct udevice *dev)
{
struct qmp_ufs_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_ufs_cfg *)dev_get_driver_data(dev);
if (!qmp->cfg)
return -EINVAL;
ret = qmp_ufs_clk_init(dev, qmp);
if (ret) {
dev_err(dev, "failed to get UFS clks\n");
return ret;
}
ret = qmp_ufs_vreg_init(dev, qmp);
if (ret) {
dev_err(dev, "failed to get UFS voltage regulators\n");
return ret;
}
if (qmp->cfg->no_pcs_sw_reset) {
ret = qmp_ufs_reset_init(dev, qmp);
if (ret) {
dev_err(dev, "failed to get UFS resets\n");
return ret;
}
}
qmp->dev = dev;
if (ofnode_get_child_count(dev_ofnode(dev))) {
ret = qmp_ufs_probe_dt_children(dev);
if (ret) {
dev_err(dev, "failed to get UFS dt regs\n");
return ret;
}
} else {
const struct qmp_ufs_offsets *offs = qmp->cfg->offsets;
struct resource res;
if (!qmp->cfg->offsets) {
dev_err(dev, "missing UFS 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->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;
}
}
return 0;
}
static struct phy_ops qmp_ufs_ops = {
.power_on = qmp_ufs_power_on,
.power_off = qmp_ufs_power_off,
};
static const struct udevice_id qmp_ufs_ids[] = {
{ .compatible = "qcom,sdm845-qmp-ufs-phy", .data = (ulong)&sdm845_ufsphy_cfg },
{ .compatible = "qcom,sm8250-qmp-ufs-phy", .data = (ulong)&sm8250_ufsphy_cfg },
{ .compatible = "qcom,sm8550-qmp-ufs-phy", .data = (ulong)&sm8550_ufsphy_cfg },
{ .compatible = "qcom,sm8650-qmp-ufs-phy", .data = (ulong)&sm8650_ufsphy_cfg },
{ }
};
U_BOOT_DRIVER(qcom_qmp_ufs) = {
.name = "qcom-qmp-ufs",
.id = UCLASS_PHY,
.of_match = qmp_ufs_ids,
.ops = &qmp_ufs_ops,
.probe = qmp_ufs_probe,
.priv_auto = sizeof(struct qmp_ufs_priv),
};