From: "Vladimir 'φ-coder/phcoder' Serbinenko" <phcoder@gmail.com>
To: grub-devel@gnu.org
Subject: Re: USB Driver uhci.c legacy mode
Date: Fri, 02 Jul 2010 19:20:10 +0200 [thread overview]
Message-ID: <4C2E1FCA.2000300@gmail.com> (raw)
In-Reply-To: <AANLkTinNa5Z14lEDVGlQzrQErNNrfD1saC_KBELung2q@mail.gmail.com>
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On 07/02/2010 12:30 PM, jonatan perry wrote:
> Hi all,
> I am using grub2 uhci.c usb driver for testing new hardware, on some
> occuisions the UHCI signature test fails (can be found on the PCI
> iteration routine), the driver thest if the controller founded by PCI
> has a signature as uhci should have (0x0c0300), on some of my new
> hardwares the signature is as EHCI (usb 2.0) means 0x0c0302, if i
> change the signature that the driver searches the rest of the driver
> fails, probably because i need to activate a legacy bit in the
> configuration register in the EHCI Controller.
EHCI is never alone. It must always have a companion controller (UHCI or
OHCI). Also be sure to use either bzr trunk or usb branch.
> i have searched EHCI Specs for legacy mode and could not understand
> how to configure legacy mode... and i hope some of you guy could help me.
>
> thanks!
>
>
> _______________________________________________
> Grub-devel mailing list
> Grub-devel@gnu.org
> http://lists.gnu.org/mailman/listinfo/grub-devel
>
--
Regards
Vladimir 'φ-coder/phcoder' Serbinenko
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next prev parent reply other threads:[~2010-07-02 18:04 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-02 10:30 USB Driver uhci.c legacy mode jonatan perry
2010-07-02 17:20 ` Vladimir 'φ-coder/phcoder' Serbinenko [this message]
2010-07-05 17:14 ` Aleš Nesrsta
2010-07-05 18:38 ` jonatan perry
2010-07-05 19:58 ` Aleš Nesrsta
2010-07-10 5:18 ` jonatan perry
2010-07-12 11:29 ` jonatan perry
2010-07-24 18:15 ` Aleš Nesrsta
2010-07-27 4:54 ` D, Eshwar (Eshwar)
2010-08-01 15:41 ` Vladimir 'φ-coder/phcoder' Serbinenko
2010-08-03 5:26 ` D, Eshwar (Eshwar)
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