diff --git 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
index 259d0c1739204987cf5f0668e8890aff7734861d..9552b50528c78c20547bf2b34addad5d2611bf6f 100644
--- 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
@@ -11,8 +11,13 @@ parameters:
   - { name: c_N_beamsets,           value: 2 }
   - { name: c_N_sub,                value: 512 }
   - { name: c_N_fft,                value: 1024 }
+  - { name: c_N_pn_lb,              value: 16 }
   - { name: c_S_pn,                 value: 12 }
   - { name: c_Q_fft,                value: 2 }
+  #- { name: c_P_sq,                 value: 1 + c_N_pn_lb // 2 }  # = 1 + 16 // 2 = 9, on revision xsub_one only one X_sq cell is used
+  - { name: c_P_sq,                 value: 1 }  # for revision xsub_one only one X_sq cell is used
+  - { name: c_X_sq,                 value: c_S_pn * c_S_pn }  # = 144
+  - { name: c_N_crosslets,          value: 1 }
   - { name: c_N_taps,               value: 16 }
   - { name: c_W_adc_jesd,           value: 16 }
   - { name: c_W_adc,                value: 14 }
@@ -220,6 +225,9 @@ peripherals:
       - REG_DP_SYNC_INSERT_V2   
       
   - peripheral_name: st/st_xst_for_sdp
+    parameter_overrides:
+      - { name: g_nof_streams, value: c_P_sq }
+      - { name: g_nof_crosslets, value: c_N_crosslets }
     mm_port_names:
       - RAM_ST_XSQ
       
@@ -236,6 +244,7 @@ peripherals:
     peripheral_group: xst
     mm_port_names:
       - REG_STAT_HDR_DAT_XST
+
   #############################################################################
   # BF = Beamformer (from node_sdp_beamformer.vhd)
   #############################################################################