wb_uart: tie unused signals to zero when not using virtual UART

When trying to compile for nanoXplore synthesis fails, complaining about those signals -- although they're unused.

wb_uart: tie unused signals to zero when not using virtual UART
When trying to compile for nanoXplore synthesis fails, complaining about those signals -- although they're unused.
a993f050 · Christos Gentsos · f73bc3d2 · a993f050
Commit a993f050 authored May 31, 2019 by Christos Gentsos
Hide whitespace changes
Inline Side-by-side

Showing with 6 additions and 0 deletions

wb_simple_uart.vhd modules/wishbone/wb_uart/wb_simple_uart.vhd +6 -0

No files found.
--- a/modules/wishbone/wb_uart/wb_simple_uart.vhd
+++ b/modules/wishbone/wb_uart/wb_simple_uart.vhd
@@ -287,6 +287,12 @@ begin  -- syn

  end generate gen_vuart;

+  dont_gen_vuart : if (not g_with_virtual_uart) generate
+    regs_in.host_rdr_data_i <= (others => '0');
+    regs_in.host_rdr_count_i <= (others => '0');
+    regs_in.host_rdr_rdy_i <= '0';
+  end generate dont_gen_vuart;
+
  p_drive_rx_ready : process(clk_sys_i)
  begin
    if rising_edge(clk_sys_i) then