Reinier van der Walle
--- a/applications/lofar2/designs/lofar2_unb2b_sdp_station/lofar2_unb2b_sdp_station.fpga.yaml
+++ b/applications/lofar2/designs/lofar2_unb2b_sdp_station/lofar2_unb2b_sdp_station.fpga.yaml
    mm_port_names:
      - REG_WG
      - RAM_WG
-      
+
+  - peripheral_name: st/st_histogram
--- a/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
+++ b/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
  CONSTANT c_sdp_reg_bsn_scheduler_addr_w      : NATURAL := 1;
  CONSTANT c_sdp_ram_diag_data_buf_bsn_addr_w  : NATURAL := ceil_log2(c_sdp_S_pn*c_sdp_V_si_db_large); -- Dimension DB address range for largest DB, so that both the large and the default small DB fit.
  CONSTANT c_sdp_reg_diag_data_buf_bsn_addr_w  : NATURAL := 1 + ceil_log2(c_sdp_S_pn);  
+  CONSTANT c_sdp_ram_st_histogram_addr_w       : NATURAL := ceil_log2(c_sdp_S_pn*c_sdp_V_si_histogram);