Fusesoc

.github/workflows/ci.yml

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+name: build-openlane-sky130
+on: [push]
+
+jobs:
+  build-apu:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v2
+        with:
+          path: fpganes
+      - name: Checkout pdk
+        uses: actions/checkout@v2
+        with:
+          repository: olofk/pdklite
+          path: pdklite
+      - run: echo "PDK_ROOT=$GITHUB_WORKSPACE/pdklite" >> $GITHUB_ENV
+      - run: echo "EDALIZE_LAUNCHER=${GITHUB_WORKSPACE}/openlane_runner.py" >> $GITHUB_ENV
+      - run: pip3 install --user -e "git+https://github.com/olofk/edalize.git#egg=edalize"
+      - run: pip3 install fusesoc
+      - run: docker pull efabless/openlane:v0.12
+      - run: wget https://raw.githubusercontent.com/olofk/subservient/main/openlane_runner.py
+      - run: chmod +x openlane_runner.py
+      - run: fusesoc library add fpganes $GITHUB_WORKSPACE/fpganes
+      - run: fusesoc run --target=apu-sky130 fpganes
+
+  build-ppu:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v2
+        with:
+          path: fpganes
+      - name: Checkout pdk
+        uses: actions/checkout@v2
+        with:
+          repository: olofk/pdklite
+          path: pdklite
+      - run: echo "PDK_ROOT=$GITHUB_WORKSPACE/pdklite" >> $GITHUB_ENV
+      - run: echo "EDALIZE_LAUNCHER=${GITHUB_WORKSPACE}/openlane_runner.py" >> $GITHUB_ENV
+      - run: pip3 install --user -e "git+https://github.com/olofk/edalize.git#egg=edalize"
+      - run: pip3 install fusesoc
+      - run: docker pull efabless/openlane:v0.12
+      - run: wget https://raw.githubusercontent.com/olofk/subservient/main/openlane_runner.py
+      - run: chmod +x openlane_runner.py
+      - run: fusesoc library add fpganes $GITHUB_WORKSPACE/fpganes
+      - run: fusesoc run --target=ppu-sky130 fpganes

data/apu_sky130.tcl

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+set ::env(CLOCK_PORT) "clk"
+set ::env(CLOCK_NET) $::env(CLOCK_PORT)
+set ::env(CLOCK_PERIOD) "17.0"
+set ::env(FP_CORE_UTIL) 35
+set ::env(SYNTH_MAX_FANOUT) 6
+set ::env(PL_TARGET_DENSITY) [ expr ($::env(FP_CORE_UTIL)+5) / 100.0 ]

data/ppu_sky130.tcl

@@ -0,0 +1,7 @@
+set ::env(CLOCK_PORT) "clk"
+set ::env(CLOCK_NET) $::env(CLOCK_PORT)
+set ::env(GLB_RT_ADJUSTMENT) 0.05
+set ::env(FP_CORE_UTIL) 20
+set ::env(SYNTH_MAX_FANOUT) 8
+set ::env(PL_TARGET_DENSITY) 0.25
+set ::env(CLOCK_PERIOD) "18.0"

fpganes.core

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+CAPI=2:
+
+name : ::fpganes:0
+
+filesets:
+  rtl:
+    files:
+      - src/oam_palette.txt : {file_type : user, copyto : oam_palette.txt}
+      - src/MicroCode.v : {is_include_file : true}
+      - src/apu.v
+      - src/cpu.v
+      - src/nes_palette.txt : {file_type : user, copyto : nes_palette.txt}
+      - src/mmu.v
+      - src/ppu.v
+      - src/nes.v
+    file_type : verilogSource
+
+  nexys4:
+    files:
+      - src/hw_uart.v
+      - src/hq2x.v
+      - src/vga.v
+      - src/hw_sound.v
+      - src/clk_wiz_v3_6.v
+      - src/Nexys4_Master.ucf : {file_type : UCF}
+      - src/NES_Nexys4.v
+      - src/hw_led.v
+    file_type : verilogSource
+
+  apu-sky130:
+    files:
+      - src/apu.v : {file_type : verilogSource}
+      - data/apu_sky130.tcl : {file_type : tclSource}
+
+  ppu-sky130:
+    files:
+      - src/oam_palette.txt : {file_type : user, copyto : oam_palette.txt}
+      - src/ppu.v : {file_type : verilogSource}
+      - data/ppu_sky130.tcl : {file_type : tclSource}
+
+targets:
+  default:
+    filesets : [rtl]
+
+  nexys4:
+    default_tool : ise
+    filesets: [rtl, nexys4]
+    tools:
+      ise:
+        family  : Artix7
+        device  : xc7a100t
+        package : csg324
+        speed   : -1
+    toplevel : NES_Nexys4
+
+  apu-sky130:
+    default_tool : openlane
+    filesets : [apu-sky130]
+    toplevel : APU
+
+  ppu-sky130:
+    default_tool : openlane
+    filesets : [ppu-sky130]
+    toplevel : PPU