Feature/ccm resource fix

.github/workflows/cicd.yml

@@ -7,6 +7,9 @@ name: "Lint, simulate, synthesize, test and docs"
 
 on: [push]
 
+env:
+  SPEED: ${{ github.ref == 'refs/heads/main' && 'full' || 'simfast' }}
+
 jobs:
   lint:
     name: "Run pre-commit lint"
@@ -42,7 +45,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Simulation
-      run: make sim
+      run: make sim SIM_SPEED=${{ env.SPEED }}
     - name: Upload
       uses: actions/upload-artifact@v7
       with:
@@ -68,7 +71,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Synthesis
-      run: make synth
+      run: make synth SYNTH_SPEED=${{ env.SPEED }}
     - name: Upload
       uses: actions/upload-artifact@v7
       with:

Makefile

@@ -8,16 +8,22 @@
 BUILD_DIR := build
 CACHE_DIR := .cache
 
+# Can be default, simfast, full, minimal
+SIM_SPEED ?= simfast
+
+# Can be default, simfast, full, minimal
+SYNTH_SPEED ?= simfast
+
 # Default target
 all: lint test synth sim
 
 # Run Verilator RTL test benches
 sim:
-	uv run pytest python/tb -m sim --speed simfast
+	uv run pytest python/tb -m sim --speed $(SIM_SPEED)
 
 # Run Yosys synthesis and generate utilization reports
 synth:
-	uv run pytest python/tb -m synth --speed simfast
+	uv run pytest python/tb -m synth --speed $(SYNTH_SPEED)
 
 # Run Python tests
 test:

README.md

@@ -17,6 +17,7 @@ The Mini-ISP philosophy is summarized as follows:
 -	Acceptable image quality: Image quality must be acceptable for most applications and subjectively pleasant to the human eye.
 -	Open-source: All code and test cases are publicly available under a permissive license.
 
+For more information and resource usage statistics, please refer to [the documentation](https://amd.github.io/mini-isp).
 
 ## Table of Contents
 

rtl/ccm.sv

@@ -489,6 +489,19 @@ module ccm
 
     if (rstn == 1'b0) begin
       pipe_2_tvalid   <= '0;
+      // Reset the accumulator registers. Should not be required, but Yosys optimizes away the DSPs without reset.
+      pipe_2_pixel0_r <= '0;
+      pipe_2_pixel0_g <= '0;
+      pipe_2_pixel0_b <= '0;
+      pipe_2_pixel1_r <= '0;
+      pipe_2_pixel1_g <= '0;
+      pipe_2_pixel1_b <= '0;
+      pipe_2_pixel2_r <= '0;
+      pipe_2_pixel2_g <= '0;
+      pipe_2_pixel2_b <= '0;
+      pipe_2_pixel3_r <= '0;
+      pipe_2_pixel3_g <= '0;
+      pipe_2_pixel3_b <= '0;
     end
   end