| // 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), |
| }; |