Enhance memory pool tile and TCDM interfaces for burst support

- Expanded mempool_tile to handle burst requests with new parameters and logic for remote request ports.
- Introduced tcdm_burst_expander module to convert burst requests into single-word requests, ensuring proper address and meta_id incrementation.
- Updated tcdm_shim to include burst length in request outputs.
- Modified tcdm_wide_narrow_mux to accommodate burst length handling.
- Added vector-burst-test application to validate burst load/store functionality, covering various burst scenarios including aligned, unaligned, and partial bursts.

Author: Aquaticfuller

Bender.lock

@@ -123,10 +123,10 @@ packages:
     - common_cells
     - scm
   spatz:
-    revision: d02afac73f586780ae5669ec9c378ef3125a0d06
+    revision: 98897ed05dfe5d66289068c2b42788e6cfd41114
     version: null
     source:
-      Git: https://github.com/yzf0470/spatz.git
+      Git: https://github.com/pulp-platform/spatz.git
     dependencies:
     - axi
     - axi_riscv_atomics

Bender.yml

@@ -13,7 +13,7 @@ dependencies:
   register_interface:   { git: "https://github.com/pulp-platform/register_interface.git",   version: 0.4.3   }
   reqrsp_interface:     { path: "hardware/deps/reqrsp_interface"                                             }
   snitch:               { path: "hardware/deps/snitch"                                                       }
-  spatz:                { git: "https://github.com/yzf0470/spatz.git",                      rev:   d02afac   }
+  spatz:                { git: "https://github.com/pulp-platform/spatz.git",                rev:   98897ed   }
   # cluster_icache:       { git: "https://github.com/pulp-platform/cluster_icache.git",       version: 0.1.1   }
   tech_cells_generic:   { git: "https://github.com/pulp-platform/tech_cells_generic.git",   version: 0.2.13  }
   fpnew:                { git: "https://github.com/pulp-platform/cvfpu.git",                rev: pulp-v0.1.3 }
@@ -35,6 +35,7 @@ sources:
   - hardware/src/snitch_addr_demux.sv
   - hardware/src/tcdm_adapter.sv
   - hardware/src/tcdm_shim.sv
+  - hardware/src/tcdm_burst_expander.sv
   - hardware/src/tcdm_wide_narrow_mux.sv
   - hardware/src/address_scrambler.sv
   - hardware/src/axi_L2_interleaver.sv

hardware/deps/snitch/src/snitch_pkg.sv

@@ -15,6 +15,8 @@ package snitch_pkg;
   localparam int NumIntOutstandingLoads = `ifdef TRAFFIC_GEN 2048 `else 8 `endif;
   localparam RobDepth                   = 32;
   localparam MetaIdWidth                = `ifdef TARGET_SPATZ idx_width(RobDepth) `else idx_width(NumIntOutstandingLoads) `endif;
+  localparam int unsigned MaxBurstWords = 16;
+  localparam int unsigned BurstLenWidth = $clog2(MaxBurstWords + 1);
   // Xpulpimg extension enabled?
 `ifdef XPULPIMG
   localparam bit XPULPIMG_EXTENSION = 1'b1;
@@ -45,6 +47,7 @@ package snitch_pkg;
     logic write;
     data_t data;
     strb_t strb;
+    logic [BurstLenWidth-1:0] burst_len;
   } dreq_t;
 
   typedef struct packed {

hardware/src/mempool_group_floonoc_wrapper.sv

@@ -284,7 +284,8 @@ if (NocRouterRemapping == 1 || NocRouterRemapping == 3) begin: gen_req_remapping
             src_id: group_xy_id_t'({group_id_i, 1'b0}),                             // For NoC Router when response back
             dst_id: group_xy_id_t'({tcdm_master_req[i][j+(1)].tgt_group_id, 1'b0}), // For NoC Router when request send
             tgt_addr: tcdm_master_req[i][j+(1)].tgt_addr,                           // For Crossbar when request send (bank rows per Group)
-            last : 1'b1                                                             // Non Burst Request
+            last : 1'b1,                                                            // Non Burst Request
+            burst_len: tcdm_master_req[i][j+(1)].burst_len
           }
         };
         assign floo_tcdm_rd_req_to_remapper_valid[i][j] = tcdm_master_req_valid[i][j+(1)];
@@ -307,7 +308,8 @@ if (NocRouterRemapping == 1 || NocRouterRemapping == 3) begin: gen_req_remapping
           src_id: group_xy_id_t'({group_id_i, 1'b0}),                         // For NoC Router when response back
           dst_id: group_xy_id_t'({tcdm_master_req[i][j].tgt_group_id, 1'b0}), // For NoC Router when request send
           tgt_addr: tcdm_master_req[i][j].tgt_addr,                           // For Crossbar when request send (bank rows per Group)
-          last : 1'b1                                                         // Non Burst Request
+          last : 1'b1,                                                        // Non Burst Request
+          burst_len: tcdm_master_req[i][j].burst_len
         }
       };
       assign floo_tcdm_rdwr_req_to_remapper_valid[i][j-(1 + NumNarrowRemoteReqPortsPerTile)] = tcdm_master_req_valid[i][j];
@@ -363,7 +365,8 @@ end else begin: gen_req_remapping_bypass
             src_id: group_xy_id_t'({group_id_i, 1'b0}),                             // For NoC Router when response back
             dst_id: group_xy_id_t'({tcdm_master_req[i][j+(1)].tgt_group_id, 1'b0}), // For NoC Router when request send
             tgt_addr: tcdm_master_req[i][j+(1)].tgt_addr,                           // For Crossbar when request send (bank rows per Group)
-            last : 1'b1                                                             // Non Burst Request
+            last : 1'b1,                                                            // Non Burst Request
+            burst_len: tcdm_master_req[i][j+(1)].burst_len
           }
         };
         assign floo_tcdm_rd_req_to_router_valid[i][j] = tcdm_master_req_valid[i][j+(1)];
@@ -386,7 +389,8 @@ end else begin: gen_req_remapping_bypass
           src_id: group_xy_id_t'({group_id_i, 1'b0}),                         // For NoC Router when response back
           dst_id: group_xy_id_t'({tcdm_master_req[i][j].tgt_group_id, 1'b0}), // For NoC Router when request send
           tgt_addr: tcdm_master_req[i][j].tgt_addr,                           // For Crossbar when request send (bank rows per Group)
-          last : 1'b1                                                         // Non Burst Request
+          last : 1'b1,                                                        // Non Burst Request
+          burst_len: tcdm_master_req[i][j].burst_len
         }
       };
       assign floo_tcdm_rdwr_req_to_router_valid[i][j-(1 + NumNarrowRemoteReqPortsPerTile)] = tcdm_master_req_valid[i][j];
@@ -554,7 +558,8 @@ for (genvar i = 0; i < NumTilesPerGroup; i++) begin : gen_router_req_to_slave_re
       src_group_id : group_id_t'({
                         floo_tcdm_req_from_router_after_xbar[i][j].hdr.src_id.x,
                         floo_tcdm_req_from_router_after_xbar[i][j].hdr.src_id.y
-                      }) // For NoC Router when response back
+                      }), // For NoC Router when response back
+      burst_len    : floo_tcdm_req_from_router_after_xbar[i][j].hdr.burst_len
     };
     assign tcdm_slave_req_valid[i][j]                    = floo_tcdm_req_from_router_after_xbar_valid[i][j];
     assign floo_tcdm_req_from_router_after_xbar_ready[i][j] = tcdm_slave_req_ready[i][j];