Hi, Have you fixed this issue ? I am facing a similar issue, any info on the topic would be useful.
On Sunday, 14 March 2010 11:30:28 UTC+1, Steve Kreyer wrote: > > Hi all, > > Iam new to the beagle board. Since Iam not able to get an idc-10 to > DB9 serial adapter I've tried to get a serial connection using USB > gadget. > > This works fine for U-Boot but I get stucked on Linux. > > If U-Boot boots, on the host a ttyACM0 device appears which can be > connected to using minicom. After loading the kernel image from MMC > into RAM and booting it, minicom looses the connection to ttyACM0. > Instead a new device appears on the host called ttyACM1. But if I try > connecting to it minicom locks in "modem initialization" state... > Thus, the kernel boot is a kind of black box for me since I cant see > whats going on there (Maybe there is a kernel oops?). But it seems > that it can initialize the serial USB gadget port because of the > ttyACM1 device on the host. > > Here is my kernel config / what I've done so far / kernel host output: > > Beagle Board's USB serial / gadget kernel config: > CONFIG_SERIAL_8250=y > CONFIG_SERIAL_8250_CONSOLE=y > CONFIG_SERIAL_8250_NR_UARTS=32 > CONFIG_SERIAL_8250_RUNTIME_UARTS=4 > CONFIG_SERIAL_8250_EXTENDED=y > CONFIG_SERIAL_8250_MANY_PORTS=y > CONFIG_SERIAL_8250_SHARE_IRQ=y > CONFIG_SERIAL_8250_DETECT_IRQ=y > CONFIG_SERIAL_8250_RSA=y > > CONFIG_SERIAL_CORE=y > CONFIG_SERIAL_CORE_CONSOLE=y > > CONFIG_USB_SERIAL=y > CONFIG_USB_SERIAL_CONSOLE=y > CONFIG_USB_SERIAL_GENERIC=y > > CONFIG_USB_GADGET_MUSB_HDRC=y > CONFIG_USB_GADGET=y > > CONFIG_USB_GADGET_VBUS_DRAW=2 > CONFIG_USB_GADGET_SELECTED=y > > CONFIG_USB_GADGET_DUALSPEED=y > > > What I've done so far on the U-Boot console: > > OMAP3 beagleboard.org # mmc init > mmc1 is available > OMAP3 beagleboard.org # fatload mmc 0:2 0x80300000 uImage > reading uImage > > 1991316 bytes read > OMAP3 beagleboard.org # fatload mmc 0:2 0x81600000 rd-ext2.bin > reading rd-ext2.bin > > 3394477 bytes rea' - try 'help' > OMAP3 beagleboard.org # > OMAP3 beagleboard.org # > OMAP3 beagleboard.org # > OMAP3 beagleboard.org # setenv bootargs console=ttyGS0,115200n8 > ramdisk_size=8192 root=/dev/ram0 rw initrd=0x81600000,8M nohz=off > rootfstype=ext2 > OMAP3 beagleboard.org # bootm 0x80300000 > > And last bot not least the kernel output on the host: > redwing@euklid:~$ dmesg > usb 2-1: USB disconnect, address 6 > usb 2-1: new high speed USB device using ehci_hcd and address 7 > usb 2-1: config 1 interface 0 altsetting 0 endpoint 0x81 has an > invalid bInterval 255, changing to 11 > usb 2-1: configuration #1 chosen from 1 choice > cdc_acm 2-1:1.0: This device cannot do calls on its own. It is not a > modem. > cdc_acm 2-1:1.0: ttyACM0: USB ACM device > <--- This is after booting U-Boot with working serial console on > ttyACM0. > usb 2-1: USB disconnect, address 7 > tty_port_close_start: count = -1 > usb 2-1: new high speed USB device using ehci_hcd and address 8 > hub 2-0:1.0: unable to enumerate USB device on port 1 > tty_port_close_start: count = -1 > usb 2-1: new high speed USB device using ehci_hcd and address 9 > usb 2-1: configuration #2 chosen from 1 choice > cdc_acm 2-1:2.0: This device cannot do calls on its own. It is not a > modem. > cdc_acm 2-1:2.0: ttyACM1: USB ACM device > <--- This is after kernel startup > > If you need additional information, please let me know. > > Any help on this issue would be very appreciated. > > Kind Regards, > Steve > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/99ab21b5-72c1-491b-80ec-3bab0b2c914f%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
