| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/mmio.h> |
| #include <device/pci.h> |
| #include <gpio.h> |
| #include <soc/addressmap.h> |
| #include <soc/clock.h> |
| #include <soc/gpio.h> |
| #include <soc/qcom_qmp_phy.h> |
| #include <soc/pcie.h> |
| |
| #if CONFIG(BOARD_GOOGLE_SENOR) |
| #define NVME_REG_EN GPIO(19) |
| #else |
| /* For Herobrine board and all variants */ |
| #define NVME_REG_EN GPIO(51) |
| #endif |
| |
| static const struct qcom_qmp_phy_init_tbl sc7280_qmp_pcie_serdes_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x08), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_SELECT, 0x34), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORECLK_DIV_MODE1, 0x08), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_IVCO, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x42), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE0, 0x24), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE2_MODE1, 0x03), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE1, 0xb4), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x02), |
| 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_DIV_FRAC_START3_MODE0, 0x03), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x55), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE0, 0x55), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x1a), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x0a), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE1, 0x68), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE1, 0x02), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE1, 0xaa), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE1, 0xab), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE1, 0x34), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE1, 0x14), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x01), |
| 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_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_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE0, 0xca), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE1, 0x18), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE1, 0xa2), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_EN_CENTER, 0x01), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER1, 0x31), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER2, 0x01), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE0, 0xde), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE0, 0x07), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE1, 0x4c), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE1, 0x06), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_ENABLE1, 0x90), |
| }; |
| |
| static const struct qcom_qmp_phy_init_tbl sc7280_qmp_pcie_tx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12), |
| QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0x35), |
| QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x11), |
| }; |
| |
| static const struct qcom_qmp_phy_init_tbl sc7280_qmp_pcie_rx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FO_GAIN, 0x0c), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x03), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1b), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_AUX_DATA_TCOARSE_TFINE, 0x30), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x04), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x07), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x70), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0e), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x03), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_ENABLES, 0x1c), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x1e), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x17), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_LOW, 0xd4), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH, 0x54), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH2, 0xdb), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH3, 0x3b), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH4, 0x31), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0x24), |
| 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_DCC_CTRL1, 0x0c), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xe4), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0xec), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x3b), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0x36), |
| }; |
| |
| static const struct qcom_qmp_phy_init_tbl sc7280_qmp_pcie_pcs_tbl[] = { |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_P2U3_WAKEUP_DLY_TIME_AUXCLK_L, 0x01), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0x77), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_RATE_SLEW_CNTRL1, 0x0b), |
| }; |
| |
| static const struct qcom_qmp_phy_init_tbl sc7280_qmp_pcie_pcs_misc_tbl[] = { |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_OSC_DTCT_ACTIONS, 0x00), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_L1P1_WAKEUP_DLY_TIME_AUXCLK_L, 0x01), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_L1P2_WAKEUP_DLY_TIME_AUXCLK_L, 0x01), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_PRESET_P6_P7_PRE, 0x33), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_PRESET_P10_PRE, 0x00), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_PRESET_P10_POST, 0x58), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_ENDPOINT_REFCLK_DRIVE, 0xc1), |
| }; |
| |
| static const struct qcom_qmp_phy_init_tbl sc7280_qmp_gen3x2_pcie_tx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V4_TX_PI_QEC_CTRL, 0x20), |
| }; |
| |
| static const struct qcom_qmp_phy_init_tbl sc7280_qmp_gen3x2_pcie_rx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL1, 0x04), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0xbf), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x15), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38), |
| }; |
| |
| static const struct qcom_qmp_phy_init_tbl sc7280_qmp_gen3x2_pcie_pcs_tbl[] = { |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x05), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG2, 0x0f), |
| }; |
| |
| static const struct qcom_qmp_phy_init_tbl sc7280_qmp_gen3x2_pcie_misc_tbl[] = { |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_POWER_STATE_CONFIG2, 0x0d), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_POWER_STATE_CONFIG4, 0x07), |
| }; |
| |
| static pcie_cntlr_cfg_t pcie_host = { |
| .parf = (void *)PCIE1_PCIE_PARF, |
| .dbi_base = (void *)PCIE1_GEN3X2_PCIE_DBI, |
| .elbi = (void *)PCIE1_GEN3X2_PCIE_ELBI, |
| .atu_base = (void *)PCIE1_GEN3X2_DWC_PCIE_DM_IATU, |
| .cfg_base = (void *)PCIE1_GEN3X2_PCIE_DBI + PCIE_EP_CONF_OFFSET, |
| .pcie_bcr = (void *)PCIE1_BCR, |
| .qmp_phy_bcr = (void *)GCC_PCIE_1_PHY_BCR, |
| .lanes = PCIE_3x2_NUM_LANES, |
| .cfg_size = PCIE_EP_CONF_SIZE, |
| .perst = GPIO(2), |
| |
| /* Store the IO and MEM space settings for future use by the ATU */ |
| .io.phys_start = PCIE1_GEN3X2_PCIE_DBI + PCIE_IO_SPACE_OFFSET, |
| .io.size = PCIE_IO_SPACE_SIZE, |
| |
| .mem.phys_start = PCIE1_GEN3X2_PCIE_DBI + PCIE_MMIO_SPACE_OFFSET, |
| .mem.size = PCIE1_SPACE_END_ADDR, |
| }; |
| |
| static pcie_qmp_phy_cfg_t pcie1_qmp_phy_3x2 = { |
| .qmp_phy_base = (void *)PCIE_1_QMP_PHY, |
| .serdes = (void *)PCE1_QPHY_SERDES, |
| .tx0 = (void *)PCE1_QPHY_TX0, |
| .rx0 = (void *)PCE1_QPHY_RX0, |
| .pcs = (void *)PCIE1_QMP_PHY_PCS_COM, |
| .tx1 = (void *)PCE1_QPHY_TX1, |
| .rx1 = (void *)PCE1_QPHY_RX1, |
| .pcs_misc = (void *)PCE1_QPHY_PCS_MISC, |
| .serdes_tbl = sc7280_qmp_pcie_serdes_tbl, |
| .serdes_tbl_num = ARRAY_SIZE(sc7280_qmp_pcie_serdes_tbl), |
| .tx_tbl = sc7280_qmp_pcie_tx_tbl, |
| .tx_tbl_num = ARRAY_SIZE(sc7280_qmp_pcie_tx_tbl), |
| .tx_tbl_sec = sc7280_qmp_gen3x2_pcie_tx_tbl, |
| .tx_tbl_num_sec = ARRAY_SIZE(sc7280_qmp_gen3x2_pcie_tx_tbl), |
| .rx_tbl = sc7280_qmp_pcie_rx_tbl, |
| .rx_tbl_num = ARRAY_SIZE(sc7280_qmp_pcie_rx_tbl), |
| .rx_tbl_sec = sc7280_qmp_gen3x2_pcie_rx_tbl, |
| .rx_tbl_num_sec = ARRAY_SIZE(sc7280_qmp_gen3x2_pcie_rx_tbl), |
| .pcs_tbl = sc7280_qmp_pcie_pcs_tbl, |
| .pcs_tbl_num = ARRAY_SIZE(sc7280_qmp_pcie_pcs_tbl), |
| .pcs_tbl_sec = sc7280_qmp_gen3x2_pcie_pcs_tbl, |
| .pcs_tbl_num_sec = ARRAY_SIZE(sc7280_qmp_gen3x2_pcie_pcs_tbl), |
| .pcs_misc_tbl = sc7280_qmp_pcie_pcs_misc_tbl, |
| .pcs_misc_tbl_num = ARRAY_SIZE(sc7280_qmp_pcie_pcs_misc_tbl), |
| .pcs_misc_tbl_sec = sc7280_qmp_gen3x2_pcie_misc_tbl, |
| .pcs_misc_tbl_num_sec = ARRAY_SIZE(sc7280_qmp_gen3x2_pcie_misc_tbl), |
| }; |
| |
| /* Enable PIPE clock */ |
| int qcom_dw_pcie_enable_pipe_clock(void) |
| { |
| int ret; |
| |
| /* Set pipe clock source */ |
| ret = clock_configure_mux(GCC_PCIE_1_PIPE_MUXR, PCIE_1_PIPE_SRC_SEL); |
| if (ret) { |
| printk(BIOS_ERR, " %s(): Pipe clock enable failed\n", __func__); |
| return -1; |
| } |
| |
| /* Enable pipe clock */ |
| ret = clock_enable_pcie(PCIE_1_PIPE_CLK); |
| if (ret) { |
| printk(BIOS_ERR, "Failed to enable pipe clock\n"); |
| return -1; |
| } |
| |
| return ret; |
| } |
| |
| /* Enable controller specific clocks */ |
| int32_t qcom_dw_pcie_enable_clock(void) |
| { |
| int32_t ret, clk; |
| |
| /* Enable gdsc before enable pcie clocks */ |
| ret = clock_enable_gdsc(PCIE_1_GDSC); |
| if (ret) { |
| printk(BIOS_ERR, "Failed to enable gdsc\n"); |
| return ret; |
| } |
| |
| /* Enable pcie and PHY clocks */ |
| for (clk = PCIE_1_SLV_Q2A_AXI_CLK; clk < PCIE_CLK_COUNT - 3; clk++) { |
| ret = clock_enable_pcie(clk); |
| if (ret) { |
| printk(BIOS_ERR, "Failed to enable %d clock\n", clk); |
| return ret; |
| } |
| } |
| |
| return ret; |
| } |
| |
| /* Turn on NVMe */ |
| void gcom_pcie_power_on_ep(void) |
| { |
| gpio_output(NVME_REG_EN, 1); |
| } |
| |
| void gcom_pcie_get_config(struct qcom_pcie_cntlr_t *host_cfg) |
| { |
| host_cfg->cntlr_cfg = &pcie_host; |
| host_cfg->qmp_phy_cfg = &pcie1_qmp_phy_3x2; |
| } |