Date: Fri, 28 Sep 2007 20:13:17 +0200 From: Kurt Jaeger <lists@c0mplx.org> To: "Don L. Belcher" <don@siad.net> Cc: freebsd-current@freebsd.org Subject: Re: PCI to PCI Bridge initialization fails or is corrupted Message-ID: <20070928181317.GA12479@home.c0mplx.org> In-Reply-To: <46FD2CFF.4000300@siad.net> References: <46F5B918.5040804@siad.net> <46FD2CFF.4000300@siad.net>
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Hi! > If somebody could point out to me where the prefetch decode > occurs in the code, this would be a big help. I assume you have sys/dev/pci/pci_pci.c, version 1.49 http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/pci/pci_pci.c?rev=1.49;content-type=text%2Fplain In line 183f, sc->pmembase is set: sc->pmembase = PCI_PPBMEMBASE(pci_read_config(dev, PCIR_PMBASEH_1, 4), pci_read_config(dev, PCIR_PMBASEL_1, 2)); and if sc->pmembase is set, the function call to pcib_is_prefetch_open() leads to the result you are looking for in line 267: if (pcib_is_prefetch_open(sc)) device_printf(dev, " prefetched decode 0x%jx-0x%jx\n", (uintmax_t)sc->pmembase, (uintmax_t)sc->pmemlimit); But why the pci_read_config() returns something different, I do not know. -- pi@c0mplx.org +49 171 3101372 13 years to go !
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