FPD_SLCR AFI_FS 0x00000a00: M_AXI_HPM0_FPD 128 bits; AFIFM2 RDCTRL 0x000003b0 WRCTRL 0x000003b0: S_AXI_HP0_FPD reads 128 bits, writes 128 bits (the AXI build is made for 128 on the master and for reads): they match