From de1bee9352c9f760cb21a35912c48ed2f830c023 Mon Sep 17 00:00:00 2001
From: Pepijn de Vos <pepijndevos@gmail.com>
Date: Mon, 6 Jun 2022 14:35:33 +0200
Subject: lutram actually PnRs

---
 gowin/pack.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'gowin/pack.cc')

diff --git a/gowin/pack.cc b/gowin/pack.cc
index fa88772a..7d3a8e98 100644
--- a/gowin/pack.cc
+++ b/gowin/pack.cc
@@ -695,6 +695,8 @@ static void pack_gsr(Context *ctx)
 // Pack shadow RAM
 void pack_sram(Context *ctx)
 {
+    log_info("Packing Shadow RAM..\n");
+
     pool<IdString> packed_cells;
     std::vector<std::unique_ptr<CellInfo>> new_cells;
 
@@ -755,7 +757,7 @@ void pack_sram(Context *ctx)
             ramw_slice->constr_abs_z = true;
             ramw_slice->constr_x = 0;
             ramw_slice->constr_y = 0;
-            ramw_slice->constr_z = 4;
+            ramw_slice->constr_z = BelZ::lutram_0_z;
             ram_comb[0]->constr_children.push_back(ramw_slice.get());
 
             for (int i = 0; i < 4; i++)
@@ -1091,6 +1093,7 @@ bool Arch::pack()
     try {
         log_break();
         pack_constants(ctx);
+        pack_sram(ctx);
         pack_gsr(ctx);
         pack_io(ctx);
         pack_diff_io(ctx);
-- 
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