On Thu, Sep 13, 2018 at 01:05:17PM -0700, Leo Meza wrote: > I'm trying to get my target to recognize a USB-connected 4G LTE modem on > powerup.... > > My target is a beaglebone black (AM335x) using meta-ti "rocko" branch and
What's your distro and specifically, what init system and device management? I.e. SysVinit, udev, systemd, etc. -- Denys > I've added a kernel config fragment with the following: > CONFIG_USB_NET_QMI_WWAN=m > > My distro.conf file removes the usbgadget and usbhost features: > MACHINE_FEATURES_remove += " alsa usbgadget usbhost vfat" > > So far, when I power up the target, it looks as though the musb-hdrc driver > is attaching to the USB Modem: > [ 15.467735] usbcore: registered new interface driver usbfs > [ 15.475891] am335x-phy-driver 47401300.usb-phy: 47401300.usb-phy supply > vcc not found, using dummy regulator > [ 15.483431] am335x-phy-driver 47401b00.usb-phy: 47401b00.usb-phy supply > vcc not found, using dummy regulator > [ 15.625497] pruss 4a300000.pruss: creating PRU cores and other child > platform devices > [ 15.639846] usbcore: registered new interface driver hub > [ 15.718440] usbcore: registered new device driver usb > [ 15.831900] remoteproc remoteproc1: 4a334000.pru is available > [ 15.837767] pru-rproc 4a334000.pru: PRU rproc node > /ocp/pruss_soc_bus@4a326004/pruss@0/pru@34000 probed successfully > [ 15.867980] musb-hdrc musb-hdrc.1: MUSB HDRC host driver > [ 15.868016] musb-hdrc musb-hdrc.1: new USB bus registered, assigned bus > number 1 > [ 15.883041] hub 1-0:1.0: USB hub found > [ 15.883105] hub 1-0:1.0: 1 port detected > [ 15.961998] remoteproc remoteproc2: 4a338000.pru is available > [ 15.967859] pru-rproc 4a338000.pru: PRU rproc node > /ocp/pruss_soc_bus@4a326004/pruss@0/pru@38000 probed successfully > [ 16.320431] usb 1-1: new high-speed USB device number 2 using musb-hdrc > [ 53.040523] random: crng init done > [ 53.044007] random: 7 urandom warning(s) missed due to ratelimiting > > When I use "lsusb" I see this, and I'm unable to use the modem: > Bus 001 Device 002: ID 05c6:9008 Qualcomm, Inc. Gobi Wireless Modem (QDL > mode) > > LSMOD shows this: > root@target:~# lsmod > Module Size Used by > pru_rproc 20480 0 > musb_dsps 20480 0 > pruss_intc 16384 1 pru_rproc > musb_hdrc 98304 1 musb_dsps > udc_core 28672 1 musb_hdrc > pruss 16384 1 pru_rproc > phy_am335x 16384 2 > usbcore 204800 1 musb_hdrc > phy_generic 16384 1 phy_am335x > usb_common 16384 5 > phy_am335x,udc_core,musb_hdrc,musb_dsps,usbcore > phy_am335x_control 16384 1 phy_am335x > pm33xx 16384 0 > snd_soc_simple_card 16384 0 > snd_soc_simple_card_utils 16384 1 snd_soc_simple_card > wkup_m3_rproc 16384 1 > wkup_m3_ipc 16384 1 pm33xx > remoteproc 40960 3 pru_rproc,wkup_m3_rproc,wkup_m3_ipc > omap_aes_driver 24576 0 > crypto_engine 16384 1 omap_aes_driver > omap_crypto 16384 1 omap_aes_driver > omap_sham 28672 0 > ti_emif_sram 16384 1 pm33xx > pruss_soc_bus 16384 0 > rtc_omap 20480 2 > musb_am335x 16384 0 > omap_wdt 16384 0 > at24 16384 0 > sch_fq_codel 20480 1 > > However, if I don't plug in the device until AFTER the system boots and I > login, then I see the cdc_wdm driver is gets registered and the cdc-wdm0 > device is created: > > root@target:~# [ 60.630559] usb 1-1: new high-speed USB device number 2 > using musb-hdrc > [ 60.993246] usbcore: registered new interface driver cdc_wdm > [ 61.013436] qmi_wwan 1-1:1.2: cdc-wdm0: USB WDM device > [ 61.038279] qmi_wwan 1-1:1.2 wwan0: register 'qmi_wwan' at > usb-musb-hdrc.1-1, WWAN/QMI device, be:ce:e7:34:15:d8 > [ 61.059967] usbcore: registered new interface driver qmi_wwan > > LSUSB shows me this, and I'm able to use the modem: > > root@target:~# lsusb > Bus 001 Device 002: ID 1bc7:1040 Telit Wireless Solutions > > LSMOD shows this: > > root@target:~# lsmod > Module Size Used by > qmi_wwan 28672 0 > cdc_wdm 20480 1 qmi_wwan > usbnet 32768 1 qmi_wwan > pru_rproc 20480 0 > pruss_intc 16384 1 pru_rproc > pruss 16384 1 pru_rproc > musb_dsps 20480 0 > musb_hdrc 98304 1 musb_dsps > udc_core 28672 1 musb_hdrc > usbcore 204800 4 usbnet,qmi_wwan,cdc_wdm,musb_hdrc > phy_am335x 1[ 78.790878] random: crng init done > [ 78.799335] random: 7 urandom warning(s) missed due to ratelimiting > 6384 2 > phy_generic 16384 1 phy_am335x > usb_common 16384 5 > phy_am335x,udc_core,musb_hdrc,musb_dsps,usbcore > phy_am335x_control 16384 1 phy_am335x > pm33xx 16384 0 > snd_soc_simple_card 16384 0 > snd_soc_simple_card_utils 16384 1 snd_soc_simple_card > wkup_m3_ipc 16384 1 pm33xx > wkup_m3_rproc 16384 1 > remoteproc 40960 3 pru_rproc,wkup_m3_rproc,wkup_m3_ipc > omap_aes_driver 24576 0 > crypto_engine 16384 1 omap_aes_driver > omap_crypto 16384 1 omap_aes_driver > omap_sham 28672 0 > pruss_soc_bus 16384 0 > ti_emif_sram 16384 1 pm33xx > rtc_omap 20480 2 > at24 16384 0 > omap_wdt 16384 0 > musb_am335x 16384 0 > sch_fq_codel 20480 1 > > And pointers on how I can get the drivers (cdc_wdm, qmi_wwan, etc) setup so > the USB modem is recognized at powerup instead of having to plug in the > device after powerup would be greatly appreciated. > > Thanks in advance! > -Leo > -- > _______________________________________________ > meta-ti mailing list > [email protected] > https://lists.yoctoproject.org/listinfo/meta-ti -- _______________________________________________ meta-ti mailing list [email protected] https://lists.yoctoproject.org/listinfo/meta-ti
