From owner-freebsd-hardware@FreeBSD.ORG Tue May 24 17:41:51 2011 Return-Path: Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D109B1065675 for ; Tue, 24 May 2011 17:41:51 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 9020F8FC15 for ; Tue, 24 May 2011 17:41:51 +0000 (UTC) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id 221F746B2E; Tue, 24 May 2011 13:41:51 -0400 (EDT) Received: from jhbbsd.localnet (unknown [209.249.190.124]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id 89C5C8A050; Tue, 24 May 2011 13:41:50 -0400 (EDT) From: John Baldwin To: "N.J. Mann" Date: Tue, 24 May 2011 13:41:49 -0400 User-Agent: KMail/1.13.5 (FreeBSD/8.2-CBSD-20110325; KDE/4.5.5; amd64; ; ) References: <20110522110002.GB91694@titania.njm.me.uk> <201105240755.38404.jhb@freebsd.org> <20110524155810.GA6748@titania.njm.me.uk> In-Reply-To: <20110524155810.GA6748@titania.njm.me.uk> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201105241341.49546.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.6 (bigwig.baldwin.cx); Tue, 24 May 2011 13:41:50 -0400 (EDT) Cc: freebsd-hardware@freebsd.org Subject: Re: Sunix 4056A PCI 4 port RS-232 card - only 2 ports configured X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 May 2011 17:41:51 -0000 On Tuesday, May 24, 2011 11:58:10 am N.J. Mann wrote: > In message <201105240755.38404.jhb@freebsd.org>, > John Baldwin (jhb@freebsd.org) wrote: > > On Monday, May 23, 2011 11:17:08 am N.J. Mann wrote: > > > In message <201105231026.54178.jhb@freebsd.org>, > > > John Baldwin (jhb@freebsd.org) wrote: > > > > On Sunday, May 22, 2011 7:00:02 am N.J. Mann wrote: > > > > > Hi, > > > > > > > > > > > > > > > I am trying to setup a console server, but I am having a problem with > > > > > the hardware. The RS-232 card I am using is a Sunix 4056A Universal PCI > > > > > 4 port RS-232 card. However, only two ports are being configured, uart2 > > > > > and uart3 - uart0 and uart1 are on the motherboard. I had assumed that > > > > > all I had to do was install the card, add puc(4) to my kernel and it > > > > > would just work. > > > > > > > > > > uname: > > > > > ------ > > > > > FreeBSD 9.0-CURRENT #0: Thu May 19 15:01:10 UTC 2011 i386 > > > > > > > > > > I CVSup'ed about fours before then. > > > > > > > > > > > > > > > relevant parts of verbose dmesg: > > > > > -------------------------------- > > > > > found-> vendor=0x1409, dev=0x7168, revid=0x01 > > > > > domain=0, bus=0, slot=10, func=0 > > > > > class=07-00-02, hdrtype=0x00, mfdev=0 > > > > > cmdreg=0x0081, statreg=0x0280, cachelnsz=0 (dwords) > > > > > lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns) > > > > > intpin=a, irq=3 > > > > > map[10]: type I/O Port, range 32, base 0xe000, size 5, enabled > > > > > map[14]: type I/O Port, range 32, base 0xe400, size 4, enabled > > > > > pcib0: matched entry for 0.10.INTA > > > > > pcib0: slot 10 INTA hardwired to IRQ 18 > > > > > [...] > > > > > puc0: port 0xe000-0xe01f,0xe400-0xe40f > > > > > irq 18 at device 10.0 on pci0 > > > > > ioapic0: routing intpin 18 (PCI IRQ 18) to lapic 0 vector 52 > > > > > uart2: <16550 or compatible> on puc0 > > > > > uart2: fast interrupt > > > > > uart3: <16550 or compatible> on puc0 > > > > > uart3: fast interrupt > > > > > > > > > > > > > > > I can provide a full verbose dmesg if required, together with any other > > > > > information which may be relevant. > > > > > > > > > > Any and all help gratefully received. > > > > > > > > Hmm, for Timedia it looks like the puc(4) driver uses the subvendor device ID > > > > to figure out how many ports your card has, but it does see 4 ports (the > > > > device descrption is correct). Does 'devinfo -v' show any other child > > > > devices of 'puc0' besides the two uart devices? > > > > > > No. > > > > > > puc0 pnpinfo vendor=0x1409 device=0x7168 subvendor=0x1409 subdevice=0x4056 class=0x070002 at slot=10 function=0 > > > uart2 > > > uart3 > > > > > > (If you want the complete output of devinfo just ask - I assumed from > > > your question you only wanted the puc-releated section.) > > > > Yeah, this is all I wanted. Hmm, so from the description we can see that > > it thinks you have 4 ports: > > > > snprintf(desc, sizeof(desc), > > "Timedia technology %d Port Serial", (int)sc->sc_cfg_data); > > > > and the code that sets sc_cfg_data sets it to the number of supported ports > > that PUC_CFG_GET_NPORTS returns: > > > > case PUC_CFG_GET_NPORTS: > > ... > > if (subdev == subdevs[dev].ids[id]) { > > sc->sc_cfg_data = subdevs[dev].ports; > > *res = sc->sc_cfg_data; > > return (0); > > } > > The above code returns 4 each time it is called - three times. > > > > > You might need to just add some printfs to puc_bfe_attach(). It would be good > > to see if the PUC_CFG_GET_NPORTS request in attach also returned 4 in res (the > > description string is set in puc_bfe_probe()). > > Okay, lots of printf's later. :-) > > In put_bfe_attach() the second 'for' loop which starts with the comment > "Probe and attach our children." - puc.c line 352 - the call to > device_probe_and_attach passes for the first two ports, but fails for > the second two with an error code of 6. Does that make any sense to > you? Ahh, can you comment out the 'device_delete_child' bit for now? It might be worth adding some tracing to see if uart_puc_probe() is being called and if so why it is failing. -- John Baldwin