Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Atmel/AT91SAM9G25/USART2/IMR_SPI_MODE#0x0
Interrupt Mask Register
RXRDY Interrupt Mask
TXRDY Interrupt Mask
Overrun Error Interrupt Mask
TXEMPTY Interrupt Mask
SPI Underrun Error Interrupt Mask
https://github.com/cmsis-svd/cmsis-svd-data