diff options
| author | Alexander Yurchenko <grange@cvs.openbsd.org> | 2005-01-12 18:19:06 +0000 |
|---|---|---|
| committer | Alexander Yurchenko <grange@cvs.openbsd.org> | 2005-01-12 18:19:06 +0000 |
| commit | eb8624fb6e9e9c6817ddf901062909be182b3865 (patch) | |
| tree | e699e852dde9106d385118efbac8e79b5d859f51 /sys | |
| parent | 36a124220f7b2b6b58cf3b7775f6d718abe02e93 (diff) | |
Intel 82443BX DRAM address errata seems to be fixed in the latest revisions
of the chipset.
Inspired from netbsd pr by scottr@NetBSD.org.
ok theo
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/i386/pci/pchb.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/sys/arch/i386/pci/pchb.c b/sys/arch/i386/pci/pchb.c index 3c48c32d40b..f096a35354d 100644 --- a/sys/arch/i386/pci/pchb.c +++ b/sys/arch/i386/pci/pchb.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pchb.c,v 1.42 2004/11/23 13:33:14 grange Exp $ */ +/* $OpenBSD: pchb.c,v 1.43 2005/01/12 18:19:05 grange Exp $ */ /* $NetBSD: pchb.c,v 1.6 1997/06/06 23:29:16 thorpej Exp $ */ /* @@ -230,11 +230,13 @@ pchbattach(parent, self, aux) * fetched from the wrong location. This is * the workaround. */ - bcreg = pci_conf_read(pa->pa_pc, pa->pa_tag, - PCISET_INTEL_SDRAMC_REG); - bcreg |= PCISET_INTEL_SDRAMC_IPDLT; - pci_conf_write(pa->pa_pc, pa->pa_tag, - PCISET_INTEL_SDRAMC_REG, bcreg); + if (PCI_REVISION(pa->pa_class) < 0x3) { + bcreg = pci_conf_read(pa->pa_pc, pa->pa_tag, + PCISET_INTEL_SDRAMC_REG); + bcreg |= PCISET_INTEL_SDRAMC_IPDLT; + pci_conf_write(pa->pa_pc, pa->pa_tag, + PCISET_INTEL_SDRAMC_REG, bcreg); + } break; case PCI_PRODUCT_INTEL_PCI450_PB: bcreg = pci_conf_read(pa->pa_pc, pa->pa_tag, |