aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/watchdog/bfin_wdt.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/watchdog/bfin_wdt.c')
-rw-r--r--drivers/watchdog/bfin_wdt.c19
1 files changed, 1 insertions, 18 deletions
diff --git a/drivers/watchdog/bfin_wdt.c b/drivers/watchdog/bfin_wdt.c
index 9c7ccd1e9088..9042a95fc98c 100644
--- a/drivers/watchdog/bfin_wdt.c
+++ b/drivers/watchdog/bfin_wdt.c
@@ -23,6 +23,7 @@
23#include <linux/interrupt.h> 23#include <linux/interrupt.h>
24#include <linux/uaccess.h> 24#include <linux/uaccess.h>
25#include <asm/blackfin.h> 25#include <asm/blackfin.h>
26#include <asm/bfin_watchdog.h>
26 27
27#define stamp(fmt, args...) \ 28#define stamp(fmt, args...) \
28 pr_debug("%s:%i: " fmt "\n", __func__, __LINE__, ## args) 29 pr_debug("%s:%i: " fmt "\n", __func__, __LINE__, ## args)
@@ -49,24 +50,6 @@
49# define bfin_write_WDOG_STAT(x) bfin_write_WDOGA_STAT(x) 50# define bfin_write_WDOG_STAT(x) bfin_write_WDOGA_STAT(x)
50#endif 51#endif
51 52
52/* Bit in SWRST that indicates boot caused by watchdog */
53#define SWRST_RESET_WDOG 0x4000
54
55/* Bit in WDOG_CTL that indicates watchdog has expired (WDR0) */
56#define WDOG_EXPIRED 0x8000
57
58/* Masks for WDEV field in WDOG_CTL register */
59#define ICTL_RESET 0x0
60#define ICTL_NMI 0x2
61#define ICTL_GPI 0x4
62#define ICTL_NONE 0x6
63#define ICTL_MASK 0x6
64
65/* Masks for WDEN field in WDOG_CTL register */
66#define WDEN_MASK 0x0FF0
67#define WDEN_ENABLE 0x0000
68#define WDEN_DISABLE 0x0AD0
69
70/* some defaults */ 53/* some defaults */
71#define WATCHDOG_TIMEOUT 20 54#define WATCHDOG_TIMEOUT 20
72 55