STM32MP157 hangs at INFO: SP_MIN: Preparing exit to normal world while exiting standby mdoe
When exiting out of standby mode through RTC,Wakeup pins or PON Key in all the cases System stops at : INFO: SP_MIN: Preparing exit to normal world.
Here is the complete log :
[ 32.488278] usb33: supplied by vdd_usb
#echo mem > /sys/power/state
[ 37.576569] PM: suspend entry (deep)
[ 37.587289] Filesystems sync: 0.008 seconds
[ 37.591188] Freezing user space processes ... (elapsed 0.001 seconds) done.
[ 37.597870] OOM killer disabled.
[ 37.601128] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
[ 37.608535] printk: Suspending console(s) (use no_console_suspend to debug)
NOTICE: CPU: STM32MP157C?? Rev.Z
NOTICE: Model: SBS MOBIO
INFO: Reset reason (0x810):
INFO: System exits from STANDBY
NOTICE: BL2: v2.2-r2.0(release):
NOTICE: BL2: Built : 10:03:06, Apr 15 2021
INFO: Using crypto library 'stm32_crypto_lib'
INFO: BL2: Doing platform setup
INFO: RAM: DDR3-DDR3L 16bits 533000Khz
INFO: BL2 runs SP_MIN setup
INFO: BL2: Skip loading image id 4
INFO: BL2: Skip loading image id 5
NOTICE: BL2: Booting BL32
INFO: Entry point address = 0x2ffeb000
INFO: SPSR = 0x1d3
NOTICE: SP_MIN: v2.2-r2.0(release):
NOTICE: SP_MIN: Built : 10:03:09, Apr 15 2021
INFO: ARM GICv2 driver initialized
INFO: Set calibration timer to 60 sec
INFO: ETZPC: UART1 (3) could be non secure
INFO: ETZPC: SPI6 (4) could be non secure
INFO: ETZPC: I2C6 (12) could be non secure
INFO: SP_MIN: Initializing runtime services
INFO: SP_MIN: Preparing exit to normal world <-- blocks here till watchdog kicks in and reset the board
Please suggest is this the issue with tfa or kernel ?
Thanks, Rishi