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| author | Ingo Molnar <mingo@elte.hu> | 2009-03-26 15:45:22 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-26 15:45:22 +0100 |
| commit | a5ebc0b1a7843508b375f7ab8a36a628e5c9f372 (patch) | |
| tree | 04d3ab410e08b4d9174c663dd6bf95611dd16d0a /drivers/watchdog/iTCO_vendor_support.c | |
| parent | 5ba1ae92b6796b3367152ccd9baa022dde7eed4c (diff) | |
| parent | 8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84 (diff) | |
Merge commit 'v2.6.29' into timers/core
Diffstat (limited to 'drivers/watchdog/iTCO_vendor_support.c')
| -rw-r--r-- | drivers/watchdog/iTCO_vendor_support.c | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/drivers/watchdog/iTCO_vendor_support.c b/drivers/watchdog/iTCO_vendor_support.c index 2474ebca88f..d8264ad0be4 100644 --- a/drivers/watchdog/iTCO_vendor_support.c +++ b/drivers/watchdog/iTCO_vendor_support.c @@ -1,7 +1,7 @@ /* * intel TCO vendor specific watchdog driver support * - * (c) Copyright 2006-2008 Wim Van Sebroeck <wim@iguana.be>. + * (c) Copyright 2006-2009 Wim Van Sebroeck <wim@iguana.be>. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -19,7 +19,7 @@ /* Module and version information */ #define DRV_NAME "iTCO_vendor_support" -#define DRV_VERSION "1.02" +#define DRV_VERSION "1.03" #define PFX DRV_NAME ": " /* Includes */ @@ -77,6 +77,26 @@ MODULE_PARM_DESC(vendorsupport, "iTCO vendor specific support mode, default=0 (n * 20.6 seconds. */ +static void supermicro_old_pre_start(unsigned long acpibase) +{ + unsigned long val32; + + /* Bit 13: TCO_EN -> 0 = Disables TCO logic generating an SMI# */ + val32 = inl(SMI_EN); + val32 &= 0xffffdfff; /* Turn off SMI clearing watchdog */ + outl(val32, SMI_EN); /* Needed to activate watchdog */ +} + +static void supermicro_old_pre_stop(unsigned long acpibase) +{ + unsigned long val32; + + /* Bit 13: TCO_EN -> 1 = Enables the TCO logic to generate SMI# */ + val32 = inl(SMI_EN); + val32 |= 0x00002000; /* Turn on SMI clearing watchdog */ + outl(val32, SMI_EN); /* Needed to deactivate watchdog */ +} + static void supermicro_old_pre_keepalive(unsigned long acpibase) { /* Reload TCO Timer (done in iTCO_wdt_keepalive) + */ @@ -228,14 +248,18 @@ static void supermicro_new_pre_set_heartbeat(unsigned int heartbeat) void iTCO_vendor_pre_start(unsigned long acpibase, unsigned int heartbeat) { - if (vendorsupport == SUPERMICRO_NEW_BOARD) + if (vendorsupport == SUPERMICRO_OLD_BOARD) + supermicro_old_pre_start(acpibase); + else if (vendorsupport == SUPERMICRO_NEW_BOARD) supermicro_new_pre_start(heartbeat); } EXPORT_SYMBOL(iTCO_vendor_pre_start); void iTCO_vendor_pre_stop(unsigned long acpibase) { - if (vendorsupport == SUPERMICRO_NEW_BOARD) + if (vendorsupport == SUPERMICRO_OLD_BOARD) + supermicro_old_pre_stop(acpibase); + else if (vendorsupport == SUPERMICRO_NEW_BOARD) supermicro_new_pre_stop(); } EXPORT_SYMBOL(iTCO_vendor_pre_stop); |