Date: Mon, 9 May 2011 18:05:13 +0000 (UTC) From: Attilio Rao <attilio@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r221704 - stable/8/sys/dev/ichwd Message-ID: <201105091805.p49I5D47007200@svn.freebsd.org>
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Author: attilio Date: Mon May 9 18:05:13 2011 New Revision: 221704 URL: http://svn.freebsd.org/changeset/base/221704 Log: MFC r220925,221015,221016: - Define new registers offsets - Add toggling functions for SMI default setting Sponsored by: Sandvine Incorporated Modified: stable/8/sys/dev/ichwd/ichwd.c stable/8/sys/dev/ichwd/ichwd.h Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) Modified: stable/8/sys/dev/ichwd/ichwd.c ============================================================================== --- stable/8/sys/dev/ichwd/ichwd.c Mon May 9 17:34:00 2011 (r221703) +++ stable/8/sys/dev/ichwd/ichwd.c Mon May 9 18:05:13 2011 (r221704) @@ -171,6 +171,15 @@ ichwd_smi_enable(struct ichwd_softc *sc) } /* + * Check if the watchdog SMI triggering is enabled. + */ +static __inline int +ichwd_smi_is_enabled(struct ichwd_softc *sc) +{ + return ((ichwd_read_smi_4(sc, SMI_EN) & SMI_TCO_EN) != 0); +} + +/* * Reset the watchdog status bits. */ static __inline void @@ -488,6 +497,7 @@ ichwd_attach(device_t dev) sc->ev_tag = EVENTHANDLER_REGISTER(watchdog_list, ichwd_event, sc, 0); /* disable the SMI handler */ + sc->smi_enabled = ichwd_smi_is_enabled(sc); ichwd_smi_disable(sc); return (0); @@ -519,7 +529,8 @@ ichwd_detach(device_t dev) ichwd_tmr_disable(sc); /* enable the SMI handler */ - ichwd_smi_enable(sc); + if (sc->smi_enabled != 0) + ichwd_smi_enable(sc); /* deregister event handler */ if (sc->ev_tag != NULL) Modified: stable/8/sys/dev/ichwd/ichwd.h ============================================================================== --- stable/8/sys/dev/ichwd/ichwd.h Mon May 9 17:34:00 2011 (r221703) +++ stable/8/sys/dev/ichwd/ichwd.h Mon May 9 18:05:13 2011 (r221704) @@ -45,6 +45,7 @@ struct ichwd_softc { int active; unsigned int timeout; + int smi_enabled; int smi_rid; struct resource *smi_res; bus_space_tag_t smi_bst; @@ -135,15 +136,19 @@ struct ichwd_softc { #define TCO2_STS 0x06 /* TCO Status 2 */ #define TCO1_CNT 0x08 /* TCO Control 1 */ #define TCO2_CNT 0x08 /* TCO Control 2 */ +#define TCO_MESSAGE1 0x0c /* TCO Message 1 */ +#define TCO_MESSAGE2 0x0d /* TCO Message 2 */ /* bit definitions for SMI_EN and SMI_STS */ #define SMI_TCO_EN 0x2000 #define SMI_TCO_STS 0x2000 +#define SMI_GBL_EN 0x0001 /* timer value mask for TCO_RLD and TCO_TMR */ #define TCO_TIMER_MASK 0x1f /* status bits for TCO1_STS */ +#define TCO_NEWCENTURY 0x80 /* set for RTC year roll over (99 to 00) */ #define TCO_TIMEOUT 0x08 /* timed out */ #define TCO_INT_STS 0x04 /* data out (DO NOT USE) */ #define TCO_SMI_STS 0x02 /* data in (DO NOT USE) */ @@ -153,8 +158,10 @@ struct ichwd_softc { #define TCO_SECOND_TO_STS 0x02 /* ran down twice */ /* control bits for TCO1_CNT */ -#define TCO_TMR_HALT 0x0800 /* clear to enable WDT */ -#define TCO_CNT_PRESERVE 0x0200 /* preserve these bits */ +#define TCO_TMR_HALT 0x0800 /* clear to enable WDT */ +#define TCO_NMI2SMI_EN 0x0200 /* convert NMIs to SMIs */ +#define TCO_CNT_PRESERVE TCO_NMI2SMI_EN /* preserve these bits */ +#define TCO_NMI_NOW 0x0100 /* trigger an NMI */ /* * Masks for the TCO timer value field in TCO_RLD.
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