From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] NEC OHCI chip bug
Date: Wed, 15 Dec 2010 08:26:52 +0100 [thread overview]
Message-ID: <20101215072652.DFDD5D172D3@gemini.denx.de> (raw)
In-Reply-To: <50FD90C65C53FB45BADEEBCD84FF07F20290E550@ATCPCS06.andestech.com>
Dear gavinguo at andestech.com,
In message <50FD90C65C53FB45BADEEBCD84FF07F20290E550@ATCPCS06.andestech.com> you wrote:
> Hi All,
> Let's me explain the story first.
> We need NEC pci-to-usb host controller work on U-boot. Because using Faraday technology PCI controller, I need to complete the PCI driver first. Now the PCI driver is completed. At this time, the NEC host controller can work. When plugging a keyboard, 2
> devices can be found showing on console. But things are not as easy as we think, OHCI host controller encounter an "Unrecoverable Error" when getting device descriptor from keyboard. In the Linux kernel, I found that there is a workaround if the OHCI h
> ost controller is NEC's. The following link explain more detail: http://www.mail-archive.com/linux-usb-devel at lists.sourceforge.net/msg54465.html. After looking at the source code in U-boot, it seems that there isn't any workaround about the NEC's bug ?
> Any idea about how to get the controller, or do I need to implement the workaround by myself ??
Seems you have to implement this workaround for U-Boot. Patches
welcome.
And *PLEASE* restrict your line length to some 70 or so characters.
Thanks.
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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next prev parent reply other threads:[~2010-12-15 7:26 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-15 6:21 [U-Boot] NEC OHCI chip bug gavinguo at andestech.com
2010-12-15 7:26 ` Wolfgang Denk [this message]
-- strict thread matches above, loose matches on Subject: below --
2010-12-15 8:32 gavinguo at andestech.com
2010-12-15 10:19 Martin Mueller
2010-12-16 2:11 gavinguo at andestech.com
2010-12-16 9:46 Martin Mueller
2010-12-17 3:49 gavinguo at andestech.com
2010-12-17 7:49 ` Martin Mueller
2010-12-17 9:25 gavinguo at andestech.com
2010-12-17 9:39 Martin Mueller
2010-12-21 6:43 ` Macpaul Lin
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