Re: [grub-devel] loongson-2f mini-pc (fuloong) elf image generation.

[Aleš Nesrsta]

Hi Vladimir,

- what was the reason of the OHCI problem on Loongson?
(I don't see any details of solution below nor the patch... ?)

BR,
Ales

Dne 12.7.2013 16:02, Vladimir 'φ-coder/phcoder' Serbinenko napsal(a):
> I fixed the usb keyboard bug on fuloong. Looks like some "antivirus"
> software blocked my message with GRUB binary. Also thers is grub.elf
> (from 2.00~rc1) in downloads section.
> On 03.11.2012 22:34, Javier Vasquez wrote:
> > On Tue, Oct 30, 2012 at 2:14 PM, Aleš Nesrsta <address@hidden
> > <mailto:address@hidden>> wrote:
> >
> >     Javier Vasquez píše v Po 29. 10. 2012 v 17:03 -0600:
> >      > > According to USB keyboard: Maybe it sounds funny, but try this,
> >     please:
> >      > > Unplug and plug again keyboard when GRUB is loaded.
> >      > > Does it help?
> >      > >
> >      > > BR
> >      > > Ales
> >      >
> >      >
> >      > Thanks, I tried, and it didn't work, :-(
> >      >
> >      > BTW, forgot to menion that I also tried adding usb and
> >     usb_keyboard as
> >      > GRUB_PRELOAD_MODULES (grub.cfg has the corresponding insmod
> >     statements
> >      > at the beginning), and that didn't work.  That's the current setup
> >      > actually...
> >      >
> >      > Thanks,
> >      >
> >     OK, so it will be some another case.
> >
> >     There will be helpful additional information - does work USB at all?
> >     I.e. when You connect e.g. USB flasdisk, is it working, can You
> > use it
> >     in GRUB?
> >     (Sorry if it is not possible to try such situation, I never seen
> >     loongson (fuloong) mini-pc...)
> >
> >
> > No, it does not work.  pmon handles it correctly, but grub provides the
> > error disk not found, :-(
> >
> >
> >     Another thing - You mentioned You used OHCI GRUB driver. As I see on
> >     http://www.lemote.com/en/products/mini-computer/2010/0310/111.html ,
> >     there is mentioned USB 2.0, i.e. it should be probably EHCI
> > controller
> >     - ?
> >
> >
> > I also generated image including the ehci module, and it didn't make a
> > change...
> >
> >     (OHCI is USB 1.1 controller - but it could be used together with
> > USB 2.0
> >     EHCI as so called companion controller).
> >     Is it possible that Your Mini-PC has USB 2.0 only (i.e. EHCI)
> > controller
> >     (without companion controller)?
> >     Are somewhere available more detailed information about Your
> > loongson-2f
> >     Mini-PC HW?
> >
> >
> > I'm attaching more information about the mini-pc...  Notice dmesg
> > indicates linux used ohci for this device without problems:
> >
> > % uname -a
> > Linux mini-1 3.2.0-4-loongson-2f #1 Debian 3.2.32-1 mips64 GNU/Linux
> >
> > % dmesg
> > ...
> > [    6.820000] usb 2-2: new low-speed USB device number 3 using ohci_hcd
> > [    7.048000] usb 2-2: New USB device found, idVendor=04d9,
> > idProduct=1702
> > [    7.052000] usb 2-2: New USB device strings: Mfr=1, Product=2,
> > SerialNumber=0
> > [    7.056000] usb 2-2: Product: USB Keyboard
> > [    7.060000] usb 2-2: Manufacturer:
> > [    7.100000] input:   USB Keyboard as
> > /devices/pci0000:00/0000:00:0e.4/usb2/2-2/2-2:1.0/input/input1
> > [    7.116000] generic-usb 0003:04D9:1702.0002: input,hidraw1: USB HID
> > v1.10 Keyboard [  USB Keyboard] on usb-0000:00:0e.4-2/input0
> > [    7.144000] input:   USB Keyboard as
> > /devices/pci0000:00/0000:00:0e.4/usb2/2-2/2-2:1.1/input/input2
> > [    7.152000] generic-usb 0003:04D9:1702.0003: input,hidraw2: USB HID
> > v1.10 Device [  USB Keyboard] on usb-0000:00:0e.4-2/input1
> > ...
> >
> > I'm attaching several logs and info, including dmsg output...
> >
> >
> >     BR,
> >     Ales
> >
> >
> > Thanks,
> >
> > --
> > Javier.
> >
> >
> > _______________________________________________
> > Grub-devel mailing list
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> > https://lists.gnu.org/mailman/listinfo/grub-devel
>
>
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