Date: Sat, 10 Mar 2012 21:08:07 +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: r232797 - head/sys/dev/acpica Message-ID: <201203102108.q2AL8734078240@svn.freebsd.org>
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Author: mav Date: Sat Mar 10 21:08:07 2012 New Revision: 232797 URL: http://svn.freebsd.org/changeset/base/232797 Log: ServerWorks HT1000 HPET reported to have problems with IRQs >= 16. Lower (ISA) IRQs are working, but allowed mask is not set correctly. Block both by default to allow HP BL465c G6 blade system to boot. Reported by: Attila Nagy <bra@fsn.hu> MFC after: 1 week Modified: head/sys/dev/acpica/acpi_hpet.c Modified: head/sys/dev/acpica/acpi_hpet.c ============================================================================== --- head/sys/dev/acpica/acpi_hpet.c Sat Mar 10 20:15:40 2012 (r232796) +++ head/sys/dev/acpica/acpi_hpet.c Sat Mar 10 21:08:07 2012 (r232797) @@ -59,6 +59,7 @@ __FBSDID("$FreeBSD$"); #define HPET_VENDID_AMD 0x4353 #define HPET_VENDID_INTEL 0x8086 #define HPET_VENDID_NVIDIA 0x10de +#define HPET_VENDID_SW 0x1166 ACPI_SERIAL_DECL(hpet, "ACPI HPET support"); @@ -513,6 +514,13 @@ hpet_attach(device_t dev) if (vendor == HPET_VENDID_NVIDIA && rev <= 0x01) sc->allowed_irqs = 0x00000000; /* + * ServerWorks HT1000 reported to have problems with IRQs >= 16. + * Lower IRQs are working, but allowed mask is not set correctly. + * Legacy_route mode works fine. + */ + if (vendor == HPET_VENDID_SW && rev <= 0x01) + sc->allowed_irqs = 0x00000000; + /* * Neither QEMU nor VirtualBox report supported IRQs correctly. * The only way to use HPET there is to specify IRQs manually * and/or use legacy_route. Legacy_route mode works on both.
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