[U-Boot] mx6qp sabreauto hangs after saveenv/reset

[Peng Fan]

Hi Fabio,

On Thu, Oct 08, 2015 at 01:24:19PM -0300, Fabio Estevam wrote:
>Hi Peng,
>
>On a mx6qp sabreauto I noticed that the board hangs after doing:
>
>=> saveenv
>=> reset
>
>U-Boot 2015.10-rc4-24385-ge04e21c-dirty (Oct 08 2015 - 13:08:54 -0300)
>
>CPU:   Freescale i.MX6QP rev1.0 996 MHz (running at 792 MHz)
>CPU:   Automotive temperature grade (-40C to 125C) at 38C
>Reset cause: POR
>Board: MX6Q-Sabreauto revA
>I2C:   ready
>DRAM:  2 GiB
>PMIC:  PFUZE100 ID=0x10
>Flash: 32 MiB
>NAND:
>
>(hangs here)
>
>Any ideas?
>
>Thanks

Whether plugging nand chip into the socket or without nand chip, the board reboot
well in my side. I did not do stress test, only do a few test, and each time
'reset', it can boot fine.

"
=> saveenv
Saving Environment to MMC...
Writing to MMC(0)... done
=> reset
resetting ...


U-Boot 2015.10-rc4-00050-g996ec1d (Oct 09 2015 - 10:09:19 +0800)

CPU:   Freescale i.MX6QP rev1.0 996 MHz (running at 792 MHz)
CPU:   Automotive temperature grade (-40C to 125C) at 38C
Reset cause: WDOG
Board: MX6Q-Sabreauto revA
I2C:   ready
DRAM:  2 GiB
PMIC:  PFUZE100 ID=0x10
Flash: 32 MiB
NAND:  0 MiB
MMC:   FSL_SDHC: 0
No panel detected: default to HDMI
Display: HDMI (1024x768)
In:    serial
Out:   serial
Err:   serial
Net:   , FEC [PRIME]
Warning: FEC using MAC address from net device

Hit any key to stop autoboot:  0
"

Regards,
Peng.

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