diff mbox

[U-Boot,1/2] mx6: Fix reset cause for Power On Reset case

Message ID 1331659609-21572-1-git-send-email-fabio.estevam@freescale.com
State Accepted
Commit cece262209aaacf6f842c8d15832f882eb2467d8
Delegated to: Stefano Babic
Headers show

Commit Message

Fabio Estevam March 13, 2012, 5:26 p.m. UTC 
After booting mx6qsabrelite from POR the following is reported:

CPU:   Freescale i.MX61 family rev1.0 at 792 MHz                                
Reset cause: unknown reset

This is because both the POR and WDOG bits are set after reset.

Fix this by also checking both bits in the POR case.  

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
 arch/arm/cpu/armv7/imx-common/cpu.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

Comments

Stefano Babic March 19, 2012, 2:43 p.m. UTC | #1 
On 13/03/2012 18:26, Fabio Estevam wrote:
> After booting mx6qsabrelite from POR the following is reported:
> 
> CPU:   Freescale i.MX61 family rev1.0 at 792 MHz                                
> Reset cause: unknown reset
> 
> This is because both the POR and WDOG bits are set after reset.
> 
> Fix this by also checking both bits in the POR case.  
> 
> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>

Applied to u-boot-imx, thanks.

Best regards,
Stefano Babic
diff mbox

Patch

diff --git a/arch/arm/cpu/armv7/imx-common/cpu.c b/arch/arm/cpu/armv7/imx-common/cpu.c
index 1e30ae5..6d7486b 100644
--- a/arch/arm/cpu/armv7/imx-common/cpu.c
+++ b/arch/arm/cpu/armv7/imx-common/cpu.c
@@ -44,6 +44,7 @@  static char *get_reset_cause(void)
 
 	switch (cause) {
 	case 0x00001:
+	case 0x00011:
 		return "POR";
 	case 0x00004:
 		return "CSU";