Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32F030/RCC/AHBRSTR#0x0
AHB peripheral reset register
I/O port A reset
I/O port B reset
I/O port C reset
I/O port D reset
I/O port F reset
https://github.com/cmsis-svd/cmsis-svd-data