Correct the finidat file settings for clm5_1_cam6 to point to the clm…

…5_0_cam6 f09 files

bld/namelist_files/namelist_defaults_ctsm.xml

@@ -722,6 +722,11 @@ attributes from the config_cache.xml file (with keys converted to upper-case).
 >hgrid=0.9x1.25 maxpft=79 mask=gx1v7 use_cn=.true. use_crop=.true. irrigate=.false. glc_nec=10 do_transient_pfts=.false.
 </init_interp_attributes>
 
+<!-- 1850 spinup for CESM3 development for CLM5.1-->
+<init_interp_attributes sim_year="1850" use_cndv=".false." use_fates=".false." lnd_tuning_mode="clm5_1_cam6.0"
+>hgrid=0.9x1.25 maxpft=79 mask=gx1v7 use_cn=.true. use_crop=.true. irrigate=.false. glc_nec=10 do_transient_pfts=.false.
+</init_interp_attributes>
+
 <!-- present day -->
 <init_interp_attributes sim_year="2000" use_cndv=".false." use_fates=".false." lnd_tuning_mode="clm4_5_GSWP3v1"
 >hgrid=1.9x2.5 maxpft=79 mask=gx1v7 use_cn=.true. use_crop=.true. irrigate=.true. glc_nec=10 do_transient_pfts=.false.
@@ -820,6 +825,12 @@ attributes from the config_cache.xml file (with keys converted to upper-case).
 >hgrid=0.9x1.25 maxpft=79 mask=gx1v7 use_cn=.true. use_crop=.true. irrigate=.true. glc_nec=10 do_transient_pfts=.false.
 </init_interp_attributes>
 
+<!-- clm5_1 physics -->
+<init_interp_attributes sim_year="2000" use_cndv=".false." use_fates=".false." lnd_tuning_mode="clm5_1_cam6.0"
+                       hgrid="ne30np4.pg3"
+>hgrid=0.9x1.25 maxpft=79 mask=gx1v7 use_cn=.true. use_crop=.true. irrigate=.true. glc_nec=10 do_transient_pfts=.false.
+</init_interp_attributes>
+
 <!-- MPAS -->
 <init_interp_attributes sim_year="2000" use_cndv=".false." use_fates=".false." lnd_tuning_mode="clm5_0_cam6.0"
 			hgrid="mpasa480"
@@ -967,7 +978,15 @@ attributes from the config_cache.xml file (with keys converted to upper-case).
          ic_ymd="18500101" sim_year="1850" do_transient_pfts=".false."
          ic_tod="0" glc_nec="10" use_crop=".true." irrigate=".false."
          lnd_tuning_mode="clm5_1_GSWP3v1"
->lnd/clm2/initdata_map/clmi.I1850Clm50BgcCrop-ciso.1366-01-01.0.9x1.25_gx1v7_simyr1850_c200428.nc
+>lnd/clm2/initdata_map/clmi.B1850Clm50BgcCrop.0161-01-01.0.9x1.25_gx1v7_simyr1850_c200729.nc
+</finidat>
+
+<!-- Use f09 clm5_0 cam6 spinup file for clm5_1 cam6-->
+<finidat hgrid="0.9x1.25"  maxpft="79"  mask="gx1v7" use_cn=".true." use_cndv=".false." use_fates=".false."
+         ic_ymd="18500101" sim_year="1850" do_transient_pfts=".false."
+         ic_tod="0" glc_nec="10" use_crop=".true." irrigate=".false."
+         lnd_tuning_mode="clm5_1_cam6.0"
+>lnd/clm2/initdata_map/clmi.B1850Clm50BgcCrop.0161-01-01.0.9x1.25_gx1v7_simyr1850_c200729.nc
 </finidat>
 
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