Date: Sun, 10 Sep 2000 14:22:40 -0700 (PDT) From: Matthew Jacob <mjacob@feral.com> To: Peter Wemm <peter@netplex.com.au> Cc: Bernd Walter <ticso@cicely5.cicely.de>, Christian Weisgerber <naddy@mips.inka.de>, freebsd-alpha@FreeBSD.ORG Subject: Re: cvs commit: src/sys/pci pcisupport.c (fwd) Message-ID: <Pine.LNX.4.21.0009101422030.23495-100000@zeppo.feral.com> In-Reply-To: <200009100808.e8A88FG76895@netplex.com.au>
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Well, no, I forced non-bwx mode.... just got back from being away...I'll
resume where I was with this info...
> Bernd Walter wrote:
> > On Sat, Sep 09, 2000 at 11:16:51PM -0700, Peter Wemm wrote:
> > > AHA! I suspected the bwx/swiz mixup was implicated in this, and this
> > > suggests it does have something to do with it.
> > >
> > > Can you try something like this?:
> >
> > cc -c -O -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes -Wmiss
> ing-prototypes -Wpointer-arith -Winline -Wcast-qual -fformat-extensions -a
> nsi -g -nostdinc -I- -I. -I../.. -I../../../include -D_KERNEL -include opt
> _global.h -elf -mno-fp-regs -ffixed-8 -Wa,-mev56 ../../alpha/pci/cia.c
> > ../../alpha/pci/cia.c: In function `cia_attach':
> > ../../alpha/pci/cia.c:493: invalid operands to binary ==
> > *** Error code 1
>
> oops. :-)
>
> Change it to: if (cia_ispyxis || chipset_bwx) {
>
> > That's this line:
> > > + if (cia_ispyxis || chipset_bwx || chipset == cia_bwx_chipset) {
>
> ie: if the init code already set chipset_bwx, don't turn it off.
> To be most correct, it should probably be:
>
> Index: cia.c
> ===================================================================
> RCS file: /home/ncvs/src/sys/alpha/pci/cia.c,v
> retrieving revision 1.27
> diff -c -r1.27 cia.c
> *** cia.c 2000/09/02 01:05:37 1.27
> --- cia.c 2000/09/10 08:07:02
> ***************
> *** 485,499 ****
> if (!platform.iointr) /* XXX */
> set_iointr(alpha_dispatch_intr);
>
> ! if (cia_ispyxis) {
> snprintf(chipset_type, sizeof(chipset_type), "pyxis");
> ! chipset_bwx = 1;
> chipset_ports = CIA_EV56_BWIO;
> chipset_memory = CIA_EV56_BWMEM;
> chipset_dense = CIA_PCI_DENSE;
> } else {
> - snprintf(chipset_type, sizeof(chipset_type), "cia");
> - chipset_bwx = 0;
> chipset_ports = CIA_PCI_SIO1;
> chipset_memory = CIA_PCI_SMEM1;
> chipset_dense = CIA_PCI_DENSE;
> --- 485,500 ----
> if (!platform.iointr) /* XXX */
> set_iointr(alpha_dispatch_intr);
>
> ! if (cia_ispyxis)
> snprintf(chipset_type, sizeof(chipset_type), "pyxis");
> ! else
> ! snprintf(chipset_type, sizeof(chipset_type), "cia");
> !
> ! if (chipset_bwx) {
> chipset_ports = CIA_EV56_BWIO;
> chipset_memory = CIA_EV56_BWMEM;
> chipset_dense = CIA_PCI_DENSE;
> } else {
> chipset_ports = CIA_PCI_SIO1;
> chipset_memory = CIA_PCI_SMEM1;
> chipset_dense = CIA_PCI_DENSE;
>
> Matt Jacob didn't think this was the problem, but the discovery that
> forcing BWX mode suggests otherwise.
>
> Cheers,
> -Peter
> --
> Peter Wemm - peter@FreeBSD.org; peter@yahoo-inc.com; peter@netplex.com.au
> "All of this is for nothing if we don't go to the stars" - JMS/B5
>
>
>
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