We are testing WLAN module on our BF561 platform with EBIU interface. We are using AMS2 space for WLAN module with ARDY enabled (EBIU_AMCTL1=0x99C222C3). We are observing that AMS2 bank configuration value for access time of 2 cycles is not taking effect and we are always seeing 15 cycles for each Rd/Wr access though ARDY has gone high much before. We tried varying the access cycles from 2 to 9 and we always see
15 cycles of access time.
I am attaching waveform capture for the case where we changed timing settings to EBIU_AMBCTL1=0x99C222C3. Attached waveform is for read transaction and seen the access time is always 15 cycles (100MHz SCLK/10ns period). A,B,C,D,E cursors have been placed at different events which are self explanatory.