Add some missing reset values, so the signals propagated to the WB are not 'X'…

Add some missing reset values, so the signals propagated to the WB are not 'X' when the simulation starts.

Add some missing reset values, so the signals propagated to the WB are not 'X'…
Add some missing reset values, so the signals propagated to the WB are not 'X' when the simulation starts.
20629818 · Mathieu Saccani · f50d79fc · 20629818
Commit 20629818 authored Oct 19, 2023 by Mathieu Saccani
Show whitespace changes
Inline Side-by-side

Showing with 55 additions and 34 deletions

vme_bus.vhd hdl/rtl/vme_bus.vhd +55 -34

No files found.
--- a/hdl/rtl/vme_bus.vhd
+++ b/hdl/rtl/vme_bus.vhd
@@ -342,20 +342,32 @@ begin
        -- WB
        s_wb_start	         <= '0';

+        vme_cycles           <= (others => '0');
        vme_idff_addr        <= (others => '0');
+        vme_idff_data        <= (others => '0');
        vme_idff_am          <= (others => '0');
+        vme_idff_ds_n        <= (others => '1');
+        vme_idff_write_n     <= '1';
+        vme_idff_lword_n     <= '0';

        vme_odff_addr        <= (others => '0');
+        vme_odff_data        <= (others => '0');

        load_addr_reg_phase1 <= '0';
        load_addr_reg_phase2 <= '0';

        s_transferType       <= TFR_ERROR;
        
+        s_2e_dtack           <= '0';
+        s_DS_latch_count     <= (others => '0');
+        s_setup              <= (others => '0');
+        s_sst_timing         <= (others => '0');
+
        s_card_sel           <= '0';
        s_conf_sel           <= '0';
        s_irq_sel            <= '0';
        irq_ack_o            <= '0';
+        
      else
        s_conf_req           <= '0';
        decode_start_o       <= '0';
@@ -931,9 +943,18 @@ begin
        addr_reg         <= (others => '0');
        lword_n_reg      <= '0';
        
+        data_reg         <= (others => '0');
+
        s_err            <= '0';
        s_wb_done		 <= '0';
        s_cross_boundary <= '0';
+        
+        inc_reg          <= (others => '0');
+        
+        s_stall          <= '0'; 
+        
+        s_wb_dataphase   <= '0';
+        
      else
        case s_WBFSMstate is
          when IDLE =>