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authorGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
committerGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
commitc71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch)
treeecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /drivers/watchdog/intel_scu_watchdog.h
parentea53c912f8a86a8567697115b6a0d8152beee5c8 (diff)
parent6a00f206debf8a5c8899055726ad127dbeeed098 (diff)
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts: litmus/sched_cedf.c
Diffstat (limited to 'drivers/watchdog/intel_scu_watchdog.h')
-rw-r--r--drivers/watchdog/intel_scu_watchdog.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/watchdog/intel_scu_watchdog.h b/drivers/watchdog/intel_scu_watchdog.h
new file mode 100644
index 000000000000..d2b074a82db6
--- /dev/null
+++ b/drivers/watchdog/intel_scu_watchdog.h
@@ -0,0 +1,66 @@
1/*
2 * Intel_SCU 0.2: An Intel SCU IOH Based Watchdog Device
3 * for Intel part #(s):
4 * - AF82MP20 PCH
5 *
6 * Copyright (C) 2009-2010 Intel Corporation. All rights reserved.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of version 2 of the GNU General
10 * Public License as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be
13 * useful, but WITHOUT ANY WARRANTY; without even the implied
14 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public
17 * License along with this program; if not, write to the Free
18 * Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
20 * The full GNU General Public License is included in this
21 * distribution in the file called COPYING.
22 *
23 */
24
25#ifndef __INTEL_SCU_WATCHDOG_H
26#define __INTEL_SCU_WATCHDOG_H
27
28#define PFX "Intel_SCU: "
29#define WDT_VER "0.3"
30
31/* minimum time between interrupts */
32#define MIN_TIME_CYCLE 1
33
34/* Time from warning to reboot is 2 seconds */
35#define DEFAULT_SOFT_TO_HARD_MARGIN 2
36
37#define MAX_TIME 170
38
39#define DEFAULT_TIME 5
40
41#define MAX_SOFT_TO_HARD_MARGIN (MAX_TIME-MIN_TIME_CYCLE)
42
43/* Ajustment to clock tick frequency to make timing come out right */
44#define FREQ_ADJUSTMENT 8
45
46struct intel_scu_watchdog_dev {
47 ulong driver_open;
48 ulong driver_closed;
49 u32 timer_started;
50 u32 timer_set;
51 u32 threshold;
52 u32 soft_threshold;
53 u32 __iomem *timer_load_count_addr;
54 u32 __iomem *timer_current_value_addr;
55 u32 __iomem *timer_control_addr;
56 u32 __iomem *timer_clear_interrupt_addr;
57 u32 __iomem *timer_interrupt_status_addr;
58 struct sfi_timer_table_entry *timer_tbl_ptr;
59 struct notifier_block intel_scu_notifier;
60 struct miscdevice miscdev;
61};
62
63extern int sfi_mtimer_num;
64
65/* extern struct sfi_timer_table_entry *sfi_get_mtmr(int hint); */
66#endif /* __INTEL_SCU_WATCHDOG_H */