Add return value register internal to PULP cluster.

pulp-platform · Oct 19, 2023 · d1475ae · d1475ae
1 parent b38a18b
commit d1475ae
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Showing 3 changed files with 19 additions and 19 deletions.
diff --git a/Bender.lock b/Bender.lock
@@ -53,7 +53,7 @@ packages:
     dependencies:
     - common_cells
   cluster_peripherals:
-    revision: a596f17fc77713909bceb7eecf3ea2c3cdfe707c
+    revision: c015839816938a790c8da5fd5829cfc536f1ca9c
     version: null
     source:
       Git: https://github.com/pulp-platform/cluster_peripherals.git

diff --git a/Bender.yml b/Bender.yml
@@ -20,7 +20,7 @@ dependencies:
   mchan:                  { git: "https://github.com/pulp-platform/mchan.git", rev: 7f064f205a3e0203e959b14773c4afecf56681ab } # branch: yt/fix-parametrization
   idma:                   { git: "https://github.com/pulp-platform/iDMA.git", rev: 437ffa9dac5dea0daccfd3e8ae604d4f6ae2cdf1 } # branch: master
   hier-icache:            { git: "https://github.com/pulp-platform/hier-icache.git", rev: "a971e364bf8090cf77fafad995b480c1ac7ea4e0" } # branch: yt/carfield
-  cluster_peripherals:    { git: "https://github.com/pulp-platform/cluster_peripherals.git", rev: a596f17fc77713909bceb7eecf3ea2c3cdfe707c } # branch: yt/bump-hci
+  cluster_peripherals:    { git: "https://github.com/pulp-platform/cluster_peripherals.git", rev: c015839816938a790c8da5fd5829cfc536f1ca9c } # branch: yt/return-reg
   # fpu_interco:            { git: "https://github.com/pulp-platform/fpu_interco.git", rev: "4aec4b68424947b0c4cf25fd7c4b907cb9ec3dfa" } # branch: yt/carfield
   axi:                    { git: "https://github.com/pulp-platform/axi.git", version: =0.39.1-beta  }
   axi_slice:              { git: "https://github.com/pulp-platform/axi_slice.git", version: 1.1.4 } # deprecated, replaced by axi_cut (in axi repo)

diff --git a/tb/pulp_cluster_tb.sv b/tb/pulp_cluster_tb.sv
@@ -64,6 +64,7 @@ module pulp_cluster_tb;
   localparam bit[AxiAw-1:0] L2BaseAddr      = 'h78000000;
   localparam bit[AxiAw-1:0] L2Size          = 'h10000000;
   localparam bit[AxiAw-1:0] BootAddr        = L2BaseAddr + 'h8080;
+  localparam bit[AxiAw-1:0] ClustReturnInt  = 'h50200100;
 
   typedef logic [AxiAw-1:0]    axi_addr_t;
   typedef logic [AxiDw-1:0]    axi_data_t;
@@ -502,27 +503,26 @@ module pulp_cluster_tb;
    end
 
    @(negedge s_clk);
-   assign s_cluster_en_sa_boot = 1'b1;
+     assign s_cluster_en_sa_boot = 1'b1;
    @(negedge s_clk);
-   assign s_cluster_fetch_en = 1'b1;
+     assign s_cluster_fetch_en = 1'b1;
 
    ret_val = '0;
    while(~s_cluster_eoc) begin
-
-      ar_beat.ax_addr  = 32'h1A10_40A0;
-      ar_beat.ax_len   = '0;
-      ar_beat.ax_burst = axi_pkg::BURST_INCR;
-      ar_beat.ax_size  = 4'h2;
-
-      axi_master_drv.send_ar(ar_beat);
-      @(posedge s_clk);
-      axi_master_drv.recv_r(r_beat);
-      ret_val = r_beat.r_data;
-      repeat(1000)
-        @(posedge s_clk);
-
+     repeat(1)
+       @(posedge s_clk);
    end
-
+
+   ar_beat.ax_addr  = ClustReturnInt;
+   ar_beat.ax_len   = '0;
+   ar_beat.ax_burst = axi_pkg::BURST_INCR;
+   ar_beat.ax_size  = 4'h2;
+
+   axi_master_drv.send_ar(ar_beat);
+   @(posedge s_clk);
+   axi_master_drv.recv_r(r_beat);
+   ret_val = r_beat.r_data;
+
    $display("[TB] Received ret_val: %d\n", ret_val[30:0]);
 
    if(ret_val[30:0]==0) begin
@@ -531,7 +531,7 @@ module pulp_cluster_tb;
    end else begin
      $fatal(1,"[TB] Test not passed: ret_val!=0\n");
    end
-  
+
   end