https://docs.amd.com/r/en-US/pg153-axi-quad-spi/Common-Information-for-Both-SPI-Modes?contentId=Q2iBmR~LZ3oYKHK2HjmPqQ
Common Information for Both SPI Modes - Common Information for Both SPI Modes - 3.2 English - PG153
The core permits additional slaves to be added with automatic generation of the required decoding logic for individual slave select outputs by the master....
common informationspimodesenglish