Date: Fri, 1 Apr 2011 17:34:26 -0600 From: Warner Losh <imp@bsdimp.com> To: Juli Mallett <jmallett@FreeBSD.org> Cc: "mips@freebsd.org" <mips@FreeBSD.org> Subject: Re: Blatant simple bug in Cavium SDK USB code? Message-ID: <F090B290-0C3B-4756-9056-A4EB3554F7BC@bsdimp.com> In-Reply-To: <BANLkTik-ngtdaGtK9wocCKCeWeotHLuu5A@mail.gmail.com> References: <AC6674AB7BC78549BB231821ABF7A9AEB52F1950C5@EMBX01-WF.jnpr.net> <AC6674AB7BC78549BB231821ABF7A9AEB52F1950C7@EMBX01-WF.jnpr.net> <BANLkTinsxZdGQfaNgav-acpP6hDQ9Ss%2BgQ@mail.gmail.com> <AC6674AB7BC78549BB231821ABF7A9AEB52F1950C8@EMBX01-WF.jnpr.net> <BANLkTinu0ybFbCWoe%2B6Mf1_SHHhcjioMvw@mail.gmail.com> <BANLkTik-ngtdaGtK9wocCKCeWeotHLuu5A@mail.gmail.com>
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On Apr 1, 2011, at 4:18 PM, Juli Mallett wrote: > Following up to Andrew, >=20 > On Fri, Apr 1, 2011 at 14:23, bhanuprakash bodireddy > <bhanuprakashbodireddy@gmail.com> wrote: >> On Fri, Apr 1, 2011 at 1:03 PM, Andrew Duane <aduane@juniper.net> = wrote: >>>=20 >>> This isn't even close to the only problem I'm having. I don't make = it out >>> of cvmx_usb_initialize at all. One of two things happens: >>=20 >> We are yet to add the USB support to mainline. I have sent USB = support >> patches to Juli and she had reviewed them earlier. >> But some of the routines are yet to be rewritten(due to other issues) = and >> hence the support is still missing. >=20 > The outstanding patches are for Octeon 2 only, so if you're using > CN5XXX you'll have to wait for someone to fix up the SDK-based USB > driver. HPS did a great job on it initially, even working without > hardware, and we managed to get it mostly working, but there were/are > remaining issues that somebody with interest, time and hardware will > need to solve. My USB need has disappeared and I've been short on > time, so it hasn't been a priority for me. (I can't speak to CN3XXX > as I don't have any usable CN3XXX hardware presently and it doesn't > seem worth investing as much effort in.) I have some here, and it is only interesting to me because it is my = regression testbed... > Oleksandr has Octeon hardware with USB, and there's a system with USB > in the Netperf cluster (although obviously that isn't really > convenient for USB testing, but can be used for basic controller work) > and Alexander Kabaev has expressed an interest in USB in the past. > There's a D-Link Ukraine developer who has done some work with the > DWC_OTG driver from Linux for Octeon and some other boards with > similar hardware. Adrian Chadd should be getting Octeon hardware in > the near future, including USB. So there's enough people with the > right skills and hardware out there, it's just a matter of someone > having enough time and interest to work on it I have gear in my garage too that could be used, but I'm ENOTIME for = projects like this... Warner >=20
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