Date: Tue, 14 Jun 2011 20:30:16 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r223097 - head/sys/dev/ata/chipsets Message-ID: <201106142030.p5EKUGuI050437@svn.freebsd.org>
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Author: mav Date: Tue Jun 14 20:30:15 2011 New Revision: 223097 URL: http://svn.freebsd.org/changeset/base/223097 Log: Skip BAR(5) usage for SATA registers access on ICH8M Apples, because for some reason it causes system lock up. Linux does the same. MFC after: 1 week Modified: head/sys/dev/ata/chipsets/ata-intel.c Modified: head/sys/dev/ata/chipsets/ata-intel.c ============================================================================== --- head/sys/dev/ata/chipsets/ata-intel.c Tue Jun 14 20:04:23 2011 (r223096) +++ head/sys/dev/ata/chipsets/ata-intel.c Tue Jun 14 20:30:15 2011 (r223097) @@ -288,7 +288,9 @@ ata_intel_chipinit(device_t dev) ATA_OUTL(ctlr->r_res2, 0x0C, ATA_INL(ctlr->r_res2, 0x0C) | 0xf); } - } else { + /* Skip BAR(5) on ICH8M Apples, system locks up on access. */ + } else if (ctlr->chip->chipid != ATA_I82801HBM_S1 || + pci_get_subvendor(dev) != 0x106b) { ctlr->r_type2 = SYS_RES_IOPORT; ctlr->r_rid2 = PCIR_BAR(5); ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2,
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