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

["Vladimir 'φ-coder/phcoder' Serbinenko" <phcoder@gmail.com>]

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On 04.11.2012 18:31, Javier Vasquez wrote:

> On Sat, Nov 3, 2012 at 3:34 PM, Javier Vasquez <j.e.vasquez.v@gmail.com
> <mailto:j.e.vasquez.v@gmail.com>> wrote:
> 
>     On Tue, Oct 30, 2012 at 2:14 PM, Aleš Nesrsta <starous@volny.cz
>     <mailto:starous@volny.cz>> 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.
> 
> 
> 
> Forgot lsusb output, now attached...

> 

When time permits (most likely next Sunday) I'll make for you an image
that I've tested on my fuloong to see if it makes any difference.

> -- 
> Javier.
> 
> 
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-- 
Regards
Vladimir 'φ-coder/phcoder' Serbinenko


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