Scattered trivial clean-up, including spelling

No change to function
Reduced warnings when processing code with yosys and verilator

Author: ldoolitt

board_support/zest/zest_if.sv

@@ -35,7 +35,8 @@ interface zest_if (
    assign {U2_D1NA, U2_D1NB, U2_D1NC, U2_D1ND} = {U2[14], U2[4],  U2[26], U2[11]};
    assign {U2_D1PA, U2_D1PB, U2_D1PC, U2_D1PD} = {U2[17], U2[8],  U2[5],  U2[12]};
    assign {U2_DCON, U2_DCOP, U2_FCON, U2_FCOP} = {U2[9],  U2[15], U2[10], U2[6]};
-   assign {U3[10], U2[22], U4[26]} = {U2_PDWN, U2_CSB, U2_SCLK};
+   assign {U2[22], U4[26]} = {U2_CSB, U2_SCLK};
+   // don't set U3[10] to U2_PDWN, since it's set to U3_PDWN below
 
    wire U3_D0NA, U3_D0NB, U3_D0NC, U3_D0ND, U3_D0PA, U3_D0PB, U3_D0PC, U3_D0PD,
         U3_D1NA, U3_D1NB, U3_D1NC, U3_D1ND, U3_D1PA, U3_D1PB, U3_D1PC, U3_D1PD,
@@ -77,9 +78,9 @@ interface zest_if (
    wire U18_DOUT_RDY = U18[1];
    assign {U18[0], U18[2], U18[3], U18[4]} = {U18_CLK, U18_CS, U18_DIN, U18_SCLK};
 
-   // NOTE: Semantics of PMOD and HDMI connectors are application-dependent and
+   // NOTE: Semantics of Pmod and HDMI connectors are application-dependent and
    //       thus not handled here
-   // PMOD - J18, J17
+   // Pmod - J18, J17
    // J19: HDMI
 
    // U33U1: TPS62110 DC-DC converter

board_support/zest_soc/vita_57.1_pinout.txt

@@ -1,6 +1,6 @@
-#from https://fmchub.github.io/appendix/VITA57_FMC_HPC_LPC_SIGNALS_AND_PINOUT.html
-#  compactible with KC705 UG810 Appendix B
-#  compactible with FMC116_112_user_manual.pdf Table 8.
+# from https://fmchub.github.io/appendix/VITA57_FMC_HPC_LPC_SIGNALS_AND_PINOUT.html
+#  compatible with KC705 UG810 Appendix B
+#  compatible with FMC116_112_user_manual.pdf Table 8
 
 CLK0_M2C_N      H5
 CLK0_M2C_P      H4

fpga_family/xilinx/MMCME2_BASE.v

@@ -56,6 +56,7 @@ module MMCME2_BASE #(
 
 assign CLKOUT0 = CLKIN1;
 assign CLKOUT1 = CLKIN1;
+assign LOCKED = 1;
 // verilator lint_restore
 
 endmodule // MMCME2_BASE

projects/test_marble_family/first_readout.sh

@@ -9,7 +9,7 @@ echo "Reading kintex 7 internal temperature for $IP using XADC"
 python3 -m xadctemp -a $IP -p 803
 echo "Reading kintex 7 DNA for $IP"
 python3 -m leep.cli leep://$IP:803 reg dna_high dna_low
-echo "Connect Digilent 8 LED board to PMOD J12 and check if all them blink at different rate"
+echo "Connect Digilent 8 LED board to Pmod J12 and check if all them blink at different rate"
 python3 -m leep.cli leep://$IP:803 reg led_user_mode=2
 tt=$(mktemp /tmp/quick_XXXXXX)
 python3 -m spi_test --ip $IP --udp 804 --otp --pages=1 --dump $tt

selfclean.sh

@@ -27,3 +27,4 @@ make -C serial_io/chitchat clean
 make -C serial_io/EVG_EVR clean
 make -C soc/picorv32/test clean
 make -C fpga_family/xilinx clean
+rm -r $(find * -name "__pycache__")

soc/picorv32/gateware/uart_fifo_pack.v

@@ -137,7 +137,9 @@ always @(posedge clk) begin
         if (|mem_wstrb && (mem_short_addr==UART_BAUDRATE)) begin
             if (mem_wstrb[0]) uprescale[ 7:0] <= mem_wdata[ 7:0];
             if (mem_wstrb[1]) uprescale[15:8] <= mem_wdata[15:8];
+`ifndef YOSYS
             $display("new UART prescale value = 0x%04x", mem_wdata);
+`endif
         end
         // -------------
         // --- Reads ---