From 1868bc36d9c5fec2e831bcad318ae3e339e3e6ab Mon Sep 17 00:00:00 2001
From: Staf Verhaegen <staf@stafverhaegen.be>
Date: Tue, 6 Apr 2021 20:33:58 +0200
Subject: [PATCH] Fix pre-layout simulation with 4K SRAM blocks.

---
 ls180/pre_pnr/Makefile              | 1 +
 ls180/pre_pnr/run_iverilog_ls180.sh | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/ls180/pre_pnr/Makefile b/ls180/pre_pnr/Makefile
index 4fbc60f..6a60bb4 100644
--- a/ls180/pre_pnr/Makefile
+++ b/ls180/pre_pnr/Makefile
@@ -7,6 +7,7 @@ TOPLEVEL_LANG := verilog
 # within soc repo, as submodule, this works after "make ls180"
 # is run inside the litex/florent subdirectory
 VERILOG_SOURCES := \
+  ../SPBlock_512W64B8W.v \
   ../../../litex/florent/libresoc.v \
   ../../../litex/florent/ls180.v \
 # END VERILOG_SOURCES
diff --git a/ls180/pre_pnr/run_iverilog_ls180.sh b/ls180/pre_pnr/run_iverilog_ls180.sh
index 68bb266..1d5c42d 100755
--- a/ls180/pre_pnr/run_iverilog_ls180.sh
+++ b/ls180/pre_pnr/run_iverilog_ls180.sh
@@ -1,10 +1,16 @@
 #!/bin/sh
 
+if grep -q ls180sram4k ../../../litex/florent/ls180.v; then
+  top=ls180sram4k
+else
+  top=ls180
+fi
+
 touch mem.init mem_1.init mem_2.init mem_3.init mem_4.init
 # Only run test in reset state as running CPU takes too much time to simulate
 make \
   SIM=icarus \
-  TOPLEVEL=ls180 \
+  TOPLEVEL=$top \
   COCOTB_RESULTS_FILE=results_iverilog_ls180.xml \
   COCOTB_HDL_TIMEUNIT=100ps \
   TESTCASE="idcode_reset,idcodesvf_reset,boundary_scan_reset,wishbone_basic" \
-- 
2.30.2