Added synchronous clear for setback during recovery.

pulp-platform · Nov 24, 2023 · 2e55d29 · 2e55d29
1 parent 498d241
commit 2e55d29
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Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/core/cva6.sv b/core/cva6.sv
@@ -26,6 +26,7 @@ module cva6 import ariane_pkg::*; #(
 ) (
   input  logic                         clk_i,
   input  logic                         rst_ni,
+  input  logic                         clear_i,
   // Core ID, Cluster ID and boot address are considered more or less static
   input  logic [riscv::VLEN-1:0]       boot_addr_i,  // reset boot address
   input  logic [riscv::XLEN-1:0]       hart_id_i,    // hart id in a multicore environment (reflected in a CSR)
@@ -301,7 +302,7 @@ module cva6 import ariane_pkg::*; #(
     if (~rst_ni) begin
       rst_uarch_n <= 1'b0;
     end else begin
-      rst_uarch_n <= rst_uarch_controller_n;
+      rst_uarch_n <= rst_uarch_controller_n | ~clear_i;
     end
   end
 

diff --git a/corev_apu/tb/ariane.sv b/corev_apu/tb/ariane.sv
@@ -68,6 +68,7 @@ module ariane import ariane_pkg::*; #(
   ) i_cva6 (
     .clk_i                ( clk_i                     ),
     .rst_ni               ( rst_ni                    ),
+    .clear_i              ( '0                        ),
     .boot_addr_i          ( boot_addr_i               ),
     .hart_id_i            ( hart_id_i                 ),
     .irq_i                ( irq_i                     ),