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From: Flavio Suligoi <f.suligoi@asem.it>
To: u-boot@lists.denx.de
Subject: [PATCH] imx: distinguish POR from POR+WDOG reset cause for first wd
Date: Wed, 22 Jan 2020 15:17:36 +0100	[thread overview]
Message-ID: <1579702656-20667-1-git-send-email-f.suligoi@asem.it> (raw)

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@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

             reply	other threads:[~2020-01-22 14:17 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-22 14:17 Flavio Suligoi [this message]
2020-01-22 17:46 ` [PATCH] imx: distinguish POR from POR+WDOG reset cause for first wd Fabio Estevam
2020-01-23  8:22   ` Flavio Suligoi
2020-01-27 12:49     ` Peng Fan
2020-01-27 13:49       ` Flavio Suligoi

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