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

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 27.10.2013 21:19, Javier Vasquez wrote:
> On Sun, Oct 27, 2013 at 2:03 PM, Aleš Nesrsta <address@hidden> wrote:
>> Dne 27.10.2013 19:33, Javier Vasquez napsal(a):
>>
>>> OK, I'll re-dump removing such call, :-)
>>
>> Hi Javier,
>>
>> maybe it is not necessary - at least with your current configuration.
>> Why:
>>
>> 1.
>> This:
>>
>> "...
>> bus/usb/ehci.c:1772: detect_dev: EHCI STATUS: 0000c004
>>
>> bus/usb/ehci.c:1774: detect_dev: iobase=0xb4073010, port=0, status=0x1403
>>
>> bus/usb/ehci.c:1772: detect_dev: EHCI STATUS: 0000c004
>>
>> bus/usb/ehci.c:1774: detect_dev: iobase=0xb4073010, port=1, status=0x1403
>> ..."
>>
>> does mean:
>>
>> On EHCI ports 0 and 1 are connected Low speed devices.
>> EHCI cannot handle Low and Full speed devices on root ports (by design) - it
>> have to be done by companion controller(s), i.e. by OHCI or UHCI (or via
>> USB2 hub...).
>> In your case it should be OHCI.
>>
>>
>> 2.
>> I don't see loading of OHCI module in debug output !
>> Do you really have this module included in your image?
>>
>>
>> I recommend to check and regenerate your GRUB image to be able to load OHCI
>> module.
>> And possibly change order of loading of USB modules - load EHCI as first and
>> OHCI as second module. (It is not critical but little bit more effective.)
>>
>> Then try if USB keyboard will work. If not, send new full debug output.
>>
>> BR,
>> Ales
> 
> 
> Well, going back to some old e-mails I sent, I'm using the ELF image
> generated by grub-install, since when generating it by hand with
> grub-mkimage it doesn't even offer the menu, and it does offer the
> prompt, but still with NO keyboard.
> 
> On the other hand, I believe as part of prior experiments I've already
> tried loading ohci after ehci, and that didn't make any difference...
> 
> Can you please make a suggestion on how to generate the ELF image?
> Notice I included ohci on the prior mkimage attempts, and that didn't
> make the keyboard work...
> 
> Quoting past e-mail:
> 
> +++++++++
> I just used:
> 
> ./configure --prefix=/usr --sysconfdir=/etc
> make
> sudo make install
> 
> After installing I removed old grub generated stuff, and ran:
> 
> sudo grub-install --boot-directory=/boot --target=mipsel-loongson
> --recheck /dev/sda
> 
Add --modules="ehci ohci usb_keyboard"
> That automatically generate a /boot/grub.elf image.  Then after
> editing /etc/default/grub I ran:
> 
> sudo grub-mkconfig -o /boot/grub/grub.cfg
> 
> So far so good...  I already have as a /boot/boot.cfg menu entry, one
> dedicated to use the grub elf image:
> 
> title   Boot with GNU GRUB2
>         kernel  (wd0,0)/grub.elf
>         args    console=tty no_auto_cmd
> 
> When rebooting, and selecting to use the grub.elf image, I get the
> grub menu, and apparently it works, cause after the timeout expires it
> selects the first grub menu entry, and everything works.  However a
> bad thing is that the usb keyboard does not work on the grub menu.
> 
> I then tried to manually generate a grub.elf image by running:
> 
> sudo grub-mkimage -O mipsel-fuloong-elf -o /boot/grub.elf linux ata
> usb_keyboard ohci part_msdos ext2 xfs part_gpt ls halt reboot usbms
> usb gzio search lspci help ahci blocklist date elf pata configfile
> echo
> 
> And the grub.elf generated got worse, cause not only I still didn't
> get the usb keyboard to work, but the menu was not loaded, the only
> thing available was the grub prompt, which is useless without
> keyboard, :-)
> 
> I also tried:
> 
> sudo grub-mkimage -O mipsel-fuloong-elf -o /boot/grub.elf linux ata
> usb_keyboard ohci part_msdos ext2 xfs part_gpt ls halt reboot usbms
> gzio search lspci help ahci blocklist date elf pata configfile echo
> 
> But that didn't make any difference.
> +++++++++
> 
> Thanks,
>

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