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Diffstat (limited to 'drivers/watchdog/iTCO_vendor_support.c')
-rw-r--r--drivers/watchdog/iTCO_vendor_support.c31
1 files changed, 4 insertions, 27 deletions
diff --git a/drivers/watchdog/iTCO_vendor_support.c b/drivers/watchdog/iTCO_vendor_support.c
index ca344a85eb9..2474ebca88f 100644
--- a/drivers/watchdog/iTCO_vendor_support.c
+++ b/drivers/watchdog/iTCO_vendor_support.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * intel TCO vendor specific watchdog driver support 2 * intel TCO vendor specific watchdog driver support
3 * 3 *
4 * (c) Copyright 2006 Wim Van Sebroeck <wim@iguana.be>. 4 * (c) Copyright 2006-2008 Wim Van Sebroeck <wim@iguana.be>.
5 * 5 *
6 * This program is free software; you can redistribute it and/or 6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License 7 * modify it under the terms of the GNU General Public License
@@ -19,8 +19,7 @@
19 19
20/* Module and version information */ 20/* Module and version information */
21#define DRV_NAME "iTCO_vendor_support" 21#define DRV_NAME "iTCO_vendor_support"
22#define DRV_VERSION "1.01" 22#define DRV_VERSION "1.02"
23#define DRV_RELDATE "11-Nov-2006"
24#define PFX DRV_NAME ": " 23#define PFX DRV_NAME ": "
25 24
26/* Includes */ 25/* Includes */
@@ -78,24 +77,6 @@ MODULE_PARM_DESC(vendorsupport, "iTCO vendor specific support mode, default=0 (n
78 * 20.6 seconds. 77 * 20.6 seconds.
79 */ 78 */
80 79
81static void supermicro_old_pre_start(unsigned long acpibase)
82{
83 unsigned long val32;
84
85 val32 = inl(SMI_EN);
86 val32 &= 0xffffdfff; /* Turn off SMI clearing watchdog */
87 outl(val32, SMI_EN); /* Needed to activate watchdog */
88}
89
90static void supermicro_old_pre_stop(unsigned long acpibase)
91{
92 unsigned long val32;
93
94 val32 = inl(SMI_EN);
95 val32 &= 0x00002000; /* Turn on SMI clearing watchdog */
96 outl(val32, SMI_EN); /* Needed to deactivate watchdog */
97}
98
99static void supermicro_old_pre_keepalive(unsigned long acpibase) 80static void supermicro_old_pre_keepalive(unsigned long acpibase)
100{ 81{
101 /* Reload TCO Timer (done in iTCO_wdt_keepalive) + */ 82 /* Reload TCO Timer (done in iTCO_wdt_keepalive) + */
@@ -247,18 +228,14 @@ static void supermicro_new_pre_set_heartbeat(unsigned int heartbeat)
247void iTCO_vendor_pre_start(unsigned long acpibase, 228void iTCO_vendor_pre_start(unsigned long acpibase,
248 unsigned int heartbeat) 229 unsigned int heartbeat)
249{ 230{
250 if (vendorsupport == SUPERMICRO_OLD_BOARD) 231 if (vendorsupport == SUPERMICRO_NEW_BOARD)
251 supermicro_old_pre_start(acpibase);
252 else if (vendorsupport == SUPERMICRO_NEW_BOARD)
253 supermicro_new_pre_start(heartbeat); 232 supermicro_new_pre_start(heartbeat);
254} 233}
255EXPORT_SYMBOL(iTCO_vendor_pre_start); 234EXPORT_SYMBOL(iTCO_vendor_pre_start);
256 235
257void iTCO_vendor_pre_stop(unsigned long acpibase) 236void iTCO_vendor_pre_stop(unsigned long acpibase)
258{ 237{
259 if (vendorsupport == SUPERMICRO_OLD_BOARD) 238 if (vendorsupport == SUPERMICRO_NEW_BOARD)
260 supermicro_old_pre_stop(acpibase);
261 else if (vendorsupport == SUPERMICRO_NEW_BOARD)
262 supermicro_new_pre_stop(); 239 supermicro_new_pre_stop();
263} 240}
264EXPORT_SYMBOL(iTCO_vendor_pre_stop); 241EXPORT_SYMBOL(iTCO_vendor_pre_stop);