From: lkcl <lkcl@web>
Date: Fri, 11 Feb 2022 16:47:43 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: opf_rfc_ls005_v1~3213
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6287435b54c32f70d3c1285fcd08549fb4ea5e63;p=libreriscv.git

---

diff --git a/HDL_workflow/microwatt.mdwn b/HDL_workflow/microwatt.mdwn
index 4d4729f29..ad3d89290 100644
--- a/HDL_workflow/microwatt.mdwn
+++ b/HDL_workflow/microwatt.mdwn
@@ -76,3 +76,18 @@ notes for how to compile for ulx3s
     export FPGA_TARGET=ulx3s
     make microwatt.svf
 
+# Notes for nextpnr-xilinx
+
+for compiling nextpnr-xilinx:
+
+   git clone https://github.com/gatecat/nextpnr-xilinx
+   cd nextpnr-xilinx
+   git submodule init
+   git submodule update
+   cmake -DARCH=xilinx .
+   make
+   make install
+   python3 xilinx/python/bbaexport.py --device xc7a100tcsg324-1 --bba xilinx/xc7a100t.bba
+   ./bbasm --l xilinx/xc7a100t.bba xilinx/xc7a100t.bin
+   mkdir -p /usr/share/nextpnr/xilinx-chipdb
+   cp xilinx/*.bin /usr/share/nextpnr/xilinx-chipdb