Support both 4G and 1GB DIMM configuration for VC707

Generate IP TCL and MIG projects from the Chisel blackboxes

xilinx/common/tcl/init.tcl

@@ -9,8 +9,15 @@ file mkdir $ipdir
 # Update the IP catalog
 update_ip_catalog -rebuild
 
-# Board specific IP implementation
-source [file join $boarddir tcl ip.tcl]
+# Generate IP implementations. Vivado TCL emitted from Chisel Blackboxes
+foreach ipvivadotcl $ipvivadotcls {
+  source $ipvivadotcl
+}
+# Optional board-specific ip script
+set boardiptcl [file join $boarddir tcl ip.tcl]
+if {[file exists boardiptcl]} {
+  source [file join $boarddir tcl ip.tcl]
+}
 
 # AR 58526 <http://www.xilinx.com/support/answers/58526.html>
 set_property GENERATE_SYNTH_CHECKPOINT {false} [get_files -all {*.xci}]

xilinx/common/tcl/prologue.tcl

@@ -51,6 +51,13 @@ if {[info exists ::env(VSRCS)]} {
   }
 }
 
+# Add IP Vivado TCL from IPVIVADOTCL environment variable
+if {[info exists ::env(IPVIVADOTCLS)]} {
+  # Split string into words even with multiple consecutive spaces
+  # http://wiki.tcl.tk/989
+  set ipvivadotcls [regexp -inline -all -- {\S+} $::env(IPVIVADOTCLS)]
+}
+
 if {[get_filesets -quiet sim_1] eq ""} {
 	create_fileset -simset sim_1
 }