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authorGraf Yang <graf.yang@analog.com>2010-01-24 22:47:43 -0500
committerMike Frysinger <vapier@gentoo.org>2010-03-09 00:30:50 -0500
commit64b33a00dc39dceac04dbd7622ab14017e074712 (patch)
treed0869e92de21dad8b36ac8d13fa935699fcfb9a1 /arch/blackfin
parent4ab069e5356bae71dda2ce6bb2b2a62a34f2bf25 (diff)
Blackfin: split watchdog definitions into a dedicated header file
This allows things to be shared between the different watchdog sources. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin')
-rw-r--r--arch/blackfin/include/asm/bfin_watchdog.h30
-rw-r--r--arch/blackfin/kernel/nmi.c16
2 files changed, 31 insertions, 15 deletions
diff --git a/arch/blackfin/include/asm/bfin_watchdog.h b/arch/blackfin/include/asm/bfin_watchdog.h
new file mode 100644
index 000000000000..dce09829a095
--- /dev/null
+++ b/arch/blackfin/include/asm/bfin_watchdog.h
@@ -0,0 +1,30 @@
1/*
2 * bfin_watchdog.h - Blackfin watchdog definitions
3 *
4 * Copyright 2006-2010 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9#ifndef _BFIN_WATCHDOG_H
10#define _BFIN_WATCHDOG_H
11
12/* Bit in SWRST that indicates boot caused by watchdog */
13#define SWRST_RESET_WDOG 0x4000
14
15/* Bit in WDOG_CTL that indicates watchdog has expired (WDR0) */
16#define WDOG_EXPIRED 0x8000
17
18/* Masks for WDEV field in WDOG_CTL register */
19#define ICTL_RESET 0x0
20#define ICTL_NMI 0x2
21#define ICTL_GPI 0x4
22#define ICTL_NONE 0x6
23#define ICTL_MASK 0x6
24
25/* Masks for WDEN field in WDOG_CTL register */
26#define WDEN_MASK 0x0FF0
27#define WDEN_ENABLE 0x0000
28#define WDEN_DISABLE 0x0AD0
29
30#endif
diff --git a/arch/blackfin/kernel/nmi.c b/arch/blackfin/kernel/nmi.c
index 19093c17632b..0b5f72f17fd0 100644
--- a/arch/blackfin/kernel/nmi.c
+++ b/arch/blackfin/kernel/nmi.c
@@ -20,21 +20,7 @@
20#include <asm/blackfin.h> 20#include <asm/blackfin.h>
21#include <asm/atomic.h> 21#include <asm/atomic.h>
22#include <asm/cacheflush.h> 22#include <asm/cacheflush.h>
23 23#include <asm/bfin_watchdog.h>
24/* Bit in WDOG_CTL that indicates watchdog has expired (WDR0) */
25#define WDOG_EXPIRED 0x8000
26
27/* Masks for WDEV field in WDOG_CTL register */
28#define ICTL_RESET 0x0
29#define ICTL_NMI 0x2
30#define ICTL_GPI 0x4
31#define ICTL_NONE 0x6
32#define ICTL_MASK 0x6
33
34/* Masks for WDEN field in WDOG_CTL register */
35#define WDEN_MASK 0x0FF0
36#define WDEN_ENABLE 0x0000
37#define WDEN_DISABLE 0x0AD0
38 24
39#define DRV_NAME "nmi-wdt" 25#define DRV_NAME "nmi-wdt"
40 26