Added support for initialized xilinx brams

1 files changed, 37 insertions, 0 deletions

diff --git a/techlibs/xilinx/brams_init.py b/techlibs/xilinx/brams_init.py
new file mode 100644
index 00000000..be61d3f6
--- /dev/null
+++ b/techlibs/xilinx/brams_init.py
@@ -0,0 +1,37 @@
+#!/usr/bin/python
+
+from __future__ import division
+from __future__ import print_function
+
+with open("brams_init_18.vh", "w") as f:
+    for i in range(8):
+        init_snippets = ["INIT[%3d*9+8]" % (k+256*i,) for k in range(255, -1, -1)]
+        for k in range(4, 256, 4):
+            init_snippets[k] = "\n           " + init_snippets[k]
+        print(".INITP_%02X({%s})," % (i, ", ".join(init_snippets)), file=f)
+    for i in range(64):
+        init_snippets = ["INIT[%3d*9 +: 8]" % (k+32*i,) for k in range(31, -1, -1)]
+        for k in range(4, 32, 4):
+            init_snippets[k] = "\n          " + init_snippets[k]
+        print(".INIT_%02X({%s})," % (i, ", ".join(init_snippets)), file=f)
+
+with open("brams_init_36.vh", "w") as f:
+    for i in range(16):
+        init_snippets = ["INIT[%3d*9+8]" % (k+256*i,) for k in range(255, -1, -1)]
+        for k in range(4, 256, 4):
+            init_snippets[k] = "\n           " + init_snippets[k]
+        print(".INITP_%02X({%s})," % (i, ", ".join(init_snippets)), file=f)
+    for i in range(128):
+        init_snippets = ["INIT[%3d*9 +: 8]" % (k+32*i,) for k in range(31, -1, -1)]
+        for k in range(4, 32, 4):
+            init_snippets[k] = "\n          " + init_snippets[k]
+        print(".INIT_%02X({%s})," % (i, ", ".join(init_snippets)), file=f)
+
+with open("brams_init_16.vh", "w") as f:
+    for i in range(64):
+        print(".INIT_%02X(INIT[%3d*256 +: 256])," % (i, i), file=f)
+
+with open("brams_init_32.vh", "w") as f:
+    for i in range(128):
+        print(".INIT_%02X(INIT[%3d*256 +: 256])," % (i, i), file=f)
+