From 96fadc10d01a13b8c5235d29e69a4db72b914262 Mon Sep 17 00:00:00 2001
From: Carlos de Paula <me@carlosedp.com>
Date: Mon, 22 Feb 2021 11:03:31 -0300
Subject: [PATCH] Add post-build instructions for Polarfire

Signed-off-by: Carlos de Paula <me@carlosedp.com>
---
 chiselwatt.core                      | 11 ++++++++++-
 constraints/polarfire_eval.sdc       |  1 +
 scripts/libero-post-instructions.txt | 13 +++++++++++++
 3 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 constraints/polarfire_eval.sdc
 create mode 100644 scripts/libero-post-instructions.txt

diff --git a/chiselwatt.core b/chiselwatt.core
index 00ad7cb..d5b8f65 100644
--- a/chiselwatt.core
+++ b/chiselwatt.core
@@ -49,7 +49,10 @@ filesets:
   polarfireeval:
     files:
       - constraints/polarfire_eval.pdc: { file_type: PDC }
+      - constraints/polarfire_eval.sdc: { file_type: SDC }
       - pll/pll_polarfire50MHz.v: { file_type: verilogSource }
+      - scripts/libero-post-instructions.txt:
+          { file_type: user, copyto: post-instructions.txt }
 
 targets:
   cmod_a7-35:
@@ -99,7 +102,9 @@ targets:
   polarfireeval: &polarfireeval
     default_tool: libero
     description: Microsemi Polarfire Evaluation Kit
-    filesets: [core, polarfireeval, micropython]
+    filesets: [core, polarfireeval, helloworld]
+    hooks:
+      post_run: [libero_post]
     tools:
       libero: &liberoMPF300
         family: PolarFire
@@ -119,3 +124,7 @@ parameters:
     datatype: bool
     description: External reset button polarity
     paramtype: generic
+
+scripts:
+  libero_post:
+    cmd: ["python3", "-c", "print(open('post-instructions.txt','r').read())"]
diff --git a/constraints/polarfire_eval.sdc b/constraints/polarfire_eval.sdc
new file mode 100644
index 0000000..53a4e89
--- /dev/null
+++ b/constraints/polarfire_eval.sdc
@@ -0,0 +1 @@
+create_clock -name {input} -period 20 -waveform {0 1.11111 } [ get_ports { clock } ]
diff --git a/scripts/libero-post-instructions.txt b/scripts/libero-post-instructions.txt
new file mode 100644
index 0000000..8b1a04d
--- /dev/null
+++ b/scripts/libero-post-instructions.txt
@@ -0,0 +1,13 @@
+=========================
+Libero build instructions
+=========================
+
+After "Generate FPGA Array Data" task, open "Configure Design Initialization Data and Memories" tool.
+
+Click the "Fabric RAMs" tab and select "Initialize all clients from SPI-Flash" in the dropdown named "Initialize all clients from".
+
+Click "Apply".
+
+Select "Design Initialization" tab and set the dropdown "SPI Clock divider value" to "6 (13.33)".
+
+Click Apply