2 Replies Latest reply on Nov 8, 2019 6:35 AM by PrMa_4522936

    WiFi is not working on i.MX6Q board

    PrMa_4522936

      Hi Cypress team,

       

      We are using i.MX6Q custom board with WiFi + BT (LBEE5KL1DX-883) module having chipset CYW4343W.

       

      We have used the firmware files as below,

       

      --------------------------------------------------------------------------------------------

      # ls -l /lib/firmware/brcm/

      -rwxr-x--- 1 root root 386920 Oct 10 2019 brcmfmac43430-sdio.bin

      -rwxr-x--- 1 root root 7222 Oct 10 14:53 brcmfmac43430-sdio.clmblob

      -rwxr-x--- 1 root root 792 Oct 10 15:10 brcmfmac43430-sdio.txt

      --------------------------------------------------------------------------------------------

       

      Still, we are getting below errors while loading the fmac WLAN driver on our custom board.

       

      --------------------------------------------------------------------------------------------

      # insmod brcmutil.ko

      # insmod brcmfmac.ko

      mmc1: queuing unknown CIS tuple 0x80 (2 bytes)

      mmc1: queuing unknown CIS tuple 0x80 (3 bytes)

      mmc1: queuing unknown CIS tuple 0x80 (3 bytes)

      mmc1: queuing unknown CIS tuple 0x80 (7 bytes)

      mmc1: queuing unknown CIS tuple 0x80 (3 bytes)

      mmc1: queuing unknown CIS tuple 0x80 (6 bytes)

      brcmfmac: brcmf_sdio_drivestrengthinit: No SDIO Drive strength init done for chip 43430 rev 1 pmurev 24

      nvram fw name = brcm/brcmfmac43430-sdio.txt

      fw name = brcm/brcmfmac43430-sdio.bin

      brcmfmac: brcmf_sdio_bus_rxctl: resumed on timeout

      brcmfmac: brcmf_c_preinit_dcmds: Retreiving cur_etheraddr failed, -52

      brcmfmac: brcmf_bus_start: failed: -52

      brcmfmac: brcmf_sdio_firmware_callback: dongle is not responding

       

       

      # ifconfig wlan0 up

      ifconfig: SIOCGIFFLAGS: No such device

      --------------------------------------------------------------------------------------------

       

      Also, we tried to enable debug logs and we see failure in getting current ethernet address after upgrading the firmware.

       

      Please see below snippet.

      ------------------------------------------------------------------------------------------------------------------------------------------

      [ 2098.365765] brcmfmac: brcmf_sdio_readframes processed 1 frames

      [ 2098.365776] brcmfmac: brcmf_sdio_tx_ctrlframe Enter

      [ 2098.365782] brcmutil: Tx Frame:

      [ 2098.365789] 00000000: 30 00 cf ff ff 00 00 0c 00 00 00 00 06 01 00 00 0...............

      [ 2098.365802] 00000010: 14 00 00 00 00 00 01 00 00 00 00 00 63 75 72 5f ............cur_

      [ 2098.365813] 00000020: 65 74 68 65 72 61 64 64 72 00 00 00 00 00 00 00 etheraddr.......

      ;

      ;

      ;

      ;

      [ 2100.372512] brcmfmac: brcmf_fil_cmd_data Failed: (unknown) (-110)

      [ 2100.372529] brcmfmac: brcmf_fil_iovar_data_get ifidx=0, name=cur_etheraddr, len=6

      [ 2100.372541] brcmutil: data

      [ 2100.372557] 00000000: 00 00 00 00 00 00 ......

      [ 2100.372572] brcmf_c_preinit_dcmds: Retreiving cur_etheraddr failed, -52

      [ 2100.377975] brcmf_bus_start: failed: -52

      ------------------------------------------------------------------------------------------------------------------------------------------

       

      Our DTS configurations for Wi-Fi are as below.

       

      --------------------------------------------------------------------------------------------

      usdhc2_pwrseq: usdhc2_pwrseq {

      compatible = "mmc-pwrseq-simple";

      regulator-name = "VSD_3V3";

      regulator-min-microvolt = <3300000>;

      regulator-max-microvolt = <3300000>;

      reset-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>, /* CPU_WL_REG_ON */

      <&gpio5 9 GPIO_ACTIVE_LOW>; /* CPU_WL_HOST_WAKE */

      enable-active-high;

      };

       

      pinctrl_wifi: wifigrp {

      fsl,pins = <

      MX6QDL_PAD_SD2_CMD__SD2_CMD 0x17059

      MX6QDL_PAD_SD2_CLK__SD2_CLK 0x10059

      MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x17059

      MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x17059

      MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x17059

      MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x17059

      MX6QDL_PAD_GPIO_4__GPIO1_IO04 0x13069 /* CPU_WL_REG_ON */

      MX6QDL_PAD_DISP0_DAT15__GPIO5_IO09 0x13069 /* CPU_WL_HOST_WAKE */

      >;

      };

       

      /* Wi-Fi */

      &usdhc2 {

      #address-cells = <1>;

      #size-cells = <0>;

      pinctrl-names = "default";

      pinctrl-0 = <&pinctrl_wifi>;

      bus-width = <4>;

      no-1-8-v;

      non-removable;

      /* cd-post; */

      cap-power-off-card;

      pm-ignore-notify;

      wifi-host;

      mmc-pwrseq = <&usdhc2_pwrseq>;

      fsl,delay-line = <0>;

      status = "okay";

       

      brcmf: bcrmf@1 {

      reg = <1>;

      compatible = "brcm,bcm4329-fmac";

      brcm,drive-strength = <8>;

      interrupt-parent = <&gpio5>; /* WL_HOST_WAKE gpio */

      interrupts = <9 IRQ_TYPE_LEVEL_HIGH>; /* WL_HOST_WAKE = GPIO5_IO09 active high. Change to IRQ_TYPE_EDGE_RISING for 1BW and SN8000. */

      interrupt-names = "host-wake";

      status = "okay";

      };

      };

      --------------------------------------------------------------------------------------------

       

      The Bluetooth is working fine but Wi-Fi seems having some issue.

      Please let us know, if we are missing something or doing anything wrong.

       

      Thank you.

       

      Regards,
      Pratik Manvar