[PATCH] imx: distinguish POR from POR+WDOG reset cause for first wd
Flavio Suligoi
f.suligoi at asem.it
Wed Jan 22 15:17:36 CET 2020
In some application the possibility to check if the reset
is caused by a watchdog is essential, even if it occurs
simultaneously with POR.
Signed-off-by: Flavio Suligoi <f.suligoi at asem.it>
---
arch/arm/mach-imx/cpu.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c
index bfa85c6..ce0c663 100644
--- a/arch/arm/mach-imx/cpu.c
+++ b/arch/arm/mach-imx/cpu.c
@@ -47,7 +47,6 @@ static char *get_reset_cause(void)
{
switch (get_imx_reset_cause()) {
case 0x00001:
- case 0x00011:
return "POR";
case 0x00004:
return "CSU";
@@ -59,6 +58,12 @@ static char *get_reset_cause(void)
#else
return "WDOG";
#endif
+ case 0x00011:
+#ifdef CONFIG_MX7
+ return "POR + WDOG1";
+#else
+ return "POR + WDOG";
+#endif
case 0x00020:
return "JTAG HIGH-Z";
case 0x00040:
--
2.7.4
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