[问答]

通过PCIe使用JODY-W3模块，无法完全初始化怎么解决？

问答对人有帮助，内容完整，我也想知道答案 0 我们通过 PCIe 使用 JODY-W3 模块，并试图通过取消初始化 Wi-Fi 并关闭连接到 Wi-Fi 模块的 3.3V 和 1.8V 开关来降低我们产品的电流消耗。但是，当我们在重新打开开关后尝试重新初始化 Wi-Fi 时，它无法完全初始化。以下是重新初始化模块后的打印结果。 root@imx8dxl-IWG46M：~ [ 250.890247] wlan: Loading MWLAN driver [ 250.894581] wlan: Register to Bus Driver... [ 250.899214] wlan_pcie 0000:01:00.0: enabling device (0000 -> 0002) [ 250.905656] PCI memory map Virt0: 00000000c9946438 PCI memory map Virt2: 000000001a5d1377 [ 250.913975] Attach moal handle ops, card interface type: 0x206 [ 250.920376] rps set to 0 from module param [ 250.925009] PCIE9098: init module param from usr cfg [ 250.930165] card_type: PCIE9098, config block: 0 [ 250.934878] cfg80211_wext=0xf [ 250.937957] max_vir_bss=1 [ 250.940599] cal_data_cfg=none [ 250.943662] ps_mode = 1 [ 250.946182] auto_ds = 1 [ 250.948653] host_mlme=enable [ 250.951652] fw_name=nxp/pcieuart9098_combo_v1.bin [ 250.956473] rx_work=1 cpu_num=2 [ 250.959718] Enable moal_recv_amsdu_packet [ 250.963879] Attach mlan adapter operations.card_type is 0x206. [ 250.981129] Request firmware: nxp/pcieuart9098_combo_v1.bin [ 250.987736] WLAN read winner status failed! [ 250.992274] Read host int status register failed [ 250.997050] wlan_dnld_fw fail ret=0xffffffff [ 251.001383] WLAN: Fail download FW with nowwait: 0 [ 251.006224] Config Space Registers: [ 251.009763] reg:0x00 value=0x2b431b4b [ 251.013462] reg:0x04 value=0x00100406 [ 251.017205] reg:0x10 value=0x0000000c [ 251.020922] reg:0x18 value=0x0000000c [ 251.024598] reg:0x2c value=0x2b431b4b [ 251.028313] reg:0x3c value=0x00000177 [ 251.032036] reg:0x44 value=0x00000008 [ 251.035737] reg:0x80 value=0x10110000 [ 251.039482] reg:0x98 value=0x00000000 [ 251.043224] reg:0x170 value=0x0001001e [ 251.047023] FW in debug mode (0xff) [ 251.050549] FW Scrach Registers: [ 251.053809] reg:0x1c90 value=0xffffffff [ 251.057677] reg:0x1c98 value=0xffffffff [ 251.061555] reg:0x1c9c value=0xffffffff [ 251.167523] reg:0x1c98 value=0xffffffff [ 251.171419] reg:0x1c9c value=0xffffffff [ 251.277217] Interface registers dump from offset 0x1c98 to 0x1c9f [ 251.283377] PCIE registers from offset 0x1c20 to 0x1c9c: [ 251.288723] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.296530] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.304336] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.312118] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.319906] [ 251.321429] ADMA Tx/Rx/Event/Cmd/CmdResp registers: [ 251.326347] ADMA registers dump from offset 0x10000 to 0x10068 [ 251.332235] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.340039] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.347833] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.355628] ffffffff ffffffff ffffffff [ 251.359501] ADMA registers dump from offset 0x10800 to 0x10868 [ 251.365391] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.373175] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.380979] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.388768] ffffffff ffffffff ffffffff [ 251.392611] ADMA registers dump from offset 0x10880 to 0x108e8 [ 251.398499] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.406322] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.414112] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.421905] ffffffff ffffffff ffffffff [ 251.425786] ADMA registers dump from offset 0x11000 to 0x11068 [ 251.431668] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.439469] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.447250] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.455044] ffffffff ffffffff ffffffff [ 251.458907] ADMA registers dump from offset 0x11080 to 0x110e8 [ 251.464807] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.472613] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.480410] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.488193] ffffffff ffffffff ffffffff [ 251.492204] woal_request_fw failed [ 251.495644] Firmware Init Failed [ 251.501600] Free module params [ 251.504828] woal_pcie_probe: failed [ 251.508336] wlan_pcie: probe of 0000:01:00.0 failed with error -14 [ 251.514817] wlan_pcie 0000:01:00.1: enabling device (0000 -> 0002) [ 251.521192] PCI memory map Virt0: 00000000e4619763 PCI memory map Virt2: 00000000e90a6bb4 [ 251.529462] Attach moal handle ops, card interface type: 0x206 [ 251.535350] rps set to 0 from module param [ 251.539650] PCIE9098: init module param from usr cfg [ 251.544724] card_type: PCIE9098, config block: 0 [ 251.549395] cfg80211_wext=0xf [ 251.552372] max_vir_bss=1 [ 251.555021] cal_data_cfg=none [ 251.558026] ps_mode = 1 [ 251.560479] auto_ds = 1 [ 251.562963] host_mlme=enable [ 251.565883] fw_name=nxp/pcieuart9098_combo_v1.bin [ 251.570660] rx_work=1 cpu_num=2 [ 251.573845] Enable moal_recv_amsdu_packet [ 251.577922] Attach mlan adapter operations.card_type is 0x206. [ 251.589163] Request firmware: nxp/pcieuart9098_combo_v1.bin [ 251.595964] WLAN read winner status failed! [ 251.600496] Read host int status register failed [ 251.605205] wlan_dnld_fw fail ret=0xffffffff [ 251.609572] WLAN: Fail download FW with nowwait: 0 [ 251.614404] Config Space Registers: [ 251.617952] reg:0x00 value=0x2b441b4b [ 251.621659] reg:0x04 value=0x00100406 [ 251.625375] reg:0x10 value=0x0000000c [ 251.629075] reg:0x18 value=0x00000004 [ 251.632749] reg:0x2c value=0x2b441b4b [ 251.636506] reg:0x3c value=0x0000027c [ 251.640222] reg:0x44 value=0x00000008 [ 251.643949] reg:0x80 value=0x10110000 [ 251.647650] reg:0x98 value=0x00000000 [ 251.651366] reg:0x170 value=0x0001001e [ 251.655166] FW in debug mode (0xff) [ 251.658685] FW Scrach Registers: [ 251.661944] reg:0x1c90 value=0xffffffff [ 251.665824] reg:0x1c98 value=0xffffffff [ 251.669698] reg:0x1c9c value=0xffffffff [ 251.775650] reg:0x1c98 value=0xffffffff [ 251.779542] reg:0x1c9c value=0xffffffff [ 251.885473] Interface registers dump from offset 0x1c98 to 0x1c9f [ 251.891626] PCIE registers from offset 0x1c20 to 0x1c9c: [ 251.896978] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.904795] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.912605] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.920390] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.928178] [ 251.929702] ADMA Tx/Rx/Event/Cmd/CmdResp registers: [ 251.934613] ADMA registers dump from offset 0x10000 to 0x10068 [ 251.940535] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.948359] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.956170] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.963974] ffffffff ffffffff ffffffff [ 251.967838] ADMA registers dump from offset 0x10800 to 0x10868 [ 251.973721] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.981512] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.989307] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 251.997086] ffffffff ffffffff ffffffff [ 252.000961] ADMA registers dump from offset 0x10880 to 0x108e8 [ 252.006841] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 252.014649] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 252.022438] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 252.030226] ffffffff ffffffff ffffffff [ 252.034102] ADMA registers dump from offset 0x11000 to 0x11068 [ 252.039983] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 252.047786] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 252.055578] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 252.063371] ffffffff ffffffff ffffffff [ 252.067260] ADMA registers dump from offset 0x11080 to 0x110e8 [ 252.073171] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 252.080963] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 252.088795] ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff [ 252.096584] ffffffff ffffffff ffffffff [ 252.100595] woal_request_fw failed [ 252.104056] Firmware Init Failed [ 252.109603] Free module params [ 252.112832] woal_pcie_probe: failed [ 252.116330] wlan_pcie: probe of 0000:01:00.1 failed with error -14 [ 252.122704] wlan: Register to Bus Driver Done [ 252.127140] wlan: Driver loaded successfully DTS 文件： &pcieb { 兼容 = “FSL，IMX8QXP-PCIe”，“SNPS，DW-PCIe”; pinctrl-names = “默认”; pinctrl-0 = <&pinctrl_pcieb>; clkreq-gpio = <&lsio_gpio4 1 GPIO_ACTIVE_HIGH>; reset-gpio = <&lsio_gpio4 0 GPIO_ACTIVE_HIGH>; ext_osc = <0>; epdev_on-supply = <®_3p3v>; aspm-quirks = <0>; aspm-启用; status = “好的”; }; pinctrl_pcieb：pcieagrp { fsl,pins = < IMX8DXL_PCIE_CTRL0_PERST_B_LSIO_GPIO4_IO00 0x06000021 IMX8DXL_PCIE_CTRL0_CLKREQ_B_LSIO_GPIO4_IO01 0x26000020 IMX8DXL_PCIE_CTRL0_WAKE_B_LSIO_GPIO4_IO02 0x06000021 >; }; 0 本主题由 Harmony技术专家于 2025-4-11 16:22 审核通过
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答案对人有帮助，有参考价值 0 针对您在使用PCIe连接的JODY-W3模块时遇到的初始化失败问题，以下是逐步排查和解决方案： 1. 检查硬件电源时序和稳定性电源顺序验证确保3.3V和1.8V电源的上电顺序符合模块规格书要求（通常3.3V应先于1.8V上电，下电时相反）。电源稳定性测试使用示波器测量电源开关的上升/下降时间，避免电压毛刺或缓升导致模块初始化异常。复位信号处理检查模块的硬件复位引脚（如果有）是否在电源稳定后被正确释放，可能需要通过GPIO主动触发复位。 2. PCIe总线枚举问题强制触发PCIe总线重新扫描尝试在重新上电后执行以下命令刷新PCIe设备： `echo 1 > /sys/bus/pci/devices/0000:01:00.0/remove echo 1 > /sys/bus/pci/rescan` 检查设备配置空间使用 `lspci -vvv -s 01:00.0` 查看设备状态，确认BAR空间是否正常分配，以及Link Training是否成功（检查LnkSta字段）。复位PCIe控制器如果使用SoC（如i.MX8），检查设备树中PCIe控制器的复位信号配置，必要时重启控制器： `echo 1 > /sys/class/pci_bus/0000:01/rescan` 3. 驱动和固件问题驱动卸载与重载在关闭电源前卸载驱动，重新上电后再加载： `rmmod wlan_pcie # 关闭电源前执行 modprobe wlan_pcie # 重新上电后执行` 固件加载检查确认模块固件路径正确，检查内核日志是否有固件加载失败提示： `dmesg \| grep firmware` 启用驱动调试日志在加载驱动时启用调试输出： `modprobe wlan_pcie debug=1` 观察日志中是否提示PCIe寄存器访问错误或超时。 4. 电源管理配置避免强制断电在关闭电源前，通过驱动接口发送低功耗命令（如 `iw dev wlan0 set power_save on`），而非直接切断电源。检查运行时电源管理（Runtime PM）确认内核和驱动是否支持Runtime PM，避免与手动电源控制冲突： `echo auto > /sys/bus/pci/devices/0000:01:00.0/power/control` 5. 设备树配置验证检查SoC的PCIe控制器设备树节点，确认以下关键参数： `pcie@0x33800000 { compatible = "fsl,imx8qxp-pcie"; reset-gpio = <&gpio4 19 GPIO_ACTIVE_LOW>; // 复位引脚是否正确 clocks = <...>; // 参考时钟配置 vpcie-supply = <&vreg_3v3>; // 电源域是否正确 status = "okay"; };` 6. 厂商工具与支持使用NXP调试工具如果模块基于NXP方案，使用 `mfgtest` 等工具验证硬件功能。联系模块厂商提供完整的内核日志和硬件设计，确认是否需特定电源下电序列（如保留某些引脚电压）。最终解决方案建议修改电源控制流程在关闭3.3V/1.8V前，通过驱动接口使模块进入D3cold状态： `echo "1" > /sys/bus/pci/devices/0000:01:00.0/d3cold_allowed echo "suspend" > /sys/bus/pci/devices/0000:01:00.0/power/state` 重新上电后执行： `echo "on" > /sys/bus/pci/devices/0000:01:00.0/power/state` 更新驱动和固件从厂商获取最新驱动，确保支持动态电源管理。通过以上步骤应能定位并解决初始化失败问题。建议优先从电源时序和PCIe总线状态入手，逐步排除硬件与驱动兼容性问题。

2025-4-16 18:02:07 评论举报 jfsky