spatz_cluster: Parameterize the number of FPUs and IPUs

pulp-platform · Oct 23, 2023 · 13ad800 · 13ad800
1 parent 31d651d
commit 13ad800
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Showing 4 changed files with 13 additions and 4 deletions.
diff --git a/hw/ip/spatz_cc/src/spatz_cc.sv b/hw/ip/spatz_cc/src/spatz_cc.sv
@@ -70,7 +70,7 @@ module spatz_cc
     parameter int                          unsigned        NumSpatzOutstandingLoads = 0,
     // Enable V Extension
     parameter bit                                          RVV                      = 1,
-    // Spatz paramaters
+    // Spatz parameters
     parameter int                          unsigned        NumSpatzFPUs             = 4,
     parameter int                          unsigned        NumSpatzIPUs             = 1,
     /// Add isochronous clock-domain crossings e.g., make it possible to operate

diff --git a/hw/system/spatz_cluster/src/spatz_cluster.sv b/hw/system/spatz_cluster/src/spatz_cluster.sv
@@ -69,6 +69,9 @@ module spatz_cluster
     parameter int                     unsigned               NumIntOutstandingMem     [NrCores] = '{default: '0},
     /// Per-core Spatz outstanding loads
     parameter int                     unsigned               NumSpatzOutstandingLoads [NrCores] = '{default: '0},
+    // Spatz parameters
+    parameter int                     unsigned               NumSpatzFPUs             [NrCores] = '{default: '0},
+    parameter int                     unsigned               NumSpatzIPUs             [NrCores] = '{default: '0},
     /// ## Timing Tuning Parameters
     /// Insert Pipeline registers into off-loading path (response)
     parameter bit                                            RegisterOffloadRsp                 = 1'b0,
@@ -736,6 +739,8 @@ module spatz_cluster
       .XF8                     (1'b1                       ),
       .XF8ALT                  (1'b1                       ),
       .IsoCrossing             (1'b0                       ),
+      .NumSpatzFPUs            (NumSpatzFPUs[i]            ),
+      .NumSpatzIPUs            (NumSpatzIPUs[i]            ),
       .NumIntOutstandingLoads  (NumIntOutstandingLoads[i]  ),
       .NumIntOutstandingMem    (NumIntOutstandingMem[i]    ),
       .NumSpatzOutstandingLoads(NumSpatzOutstandingLoads[i]),
@@ -777,7 +782,7 @@ module spatz_cluster
       assign wide_axi_mst_req[SDMAMst] = axi_dma_req;
       assign axi_dma_res               = wide_axi_mst_rsp[SDMAMst];
       assign dma_events                = dma_core_events;
-    end else begin:  gen_no_dma_connection
+    end else begin: gen_no_dma_connection
       assign axi_dma_res = '0;
     end
   end

diff --git a/hw/system/spatz_cluster/src/spatz_cluster_wrapper.sv.tpl b/hw/system/spatz_cluster/src/spatz_cluster_wrapper.sv.tpl
@@ -311,6 +311,8 @@ module ${cfg['name']}_wrapper
   localparam int unsigned NumIntOutstandingLoads   [NumCores] = '{${core_cfg('num_int_outstanding_loads')}};
   localparam int unsigned NumIntOutstandingMem     [NumCores] = '{${core_cfg('num_int_outstanding_mem')}};
   localparam int unsigned NumSpatzOutstandingLoads [NumCores] = '{${core_cfg('num_spatz_outstanding_loads')}};
+  localparam int unsigned NumSpatzFPUs             [NumCores] = '{${cfg['n_fpu']}};
+  localparam int unsigned NumSpatzIPUs             [NumCores] = '{${cfg['n_ipu']}};
 
   spatz_cluster_pkg::spatz_axi_iwc_out_req_t axi_from_cluster_iwc_req;
   spatz_cluster_pkg::spatz_axi_iwc_out_resp_t axi_from_cluster_iwc_resp;
@@ -507,6 +509,8 @@ module ${cfg['name']}_wrapper
     .NumIntOutstandingLoads (NumIntOutstandingLoads),
     .NumIntOutstandingMem (NumIntOutstandingMem),
     .NumSpatzOutstandingLoads (NumSpatzOutstandingLoads),
+    .NumSpatzFPUs (NumSpatzFPUs),
+    .NumSpatzIPUs (NumSpatzIPUs),
     .axi_in_req_t (axi_in_req_t),
     .axi_in_resp_t (axi_in_resp_t),
     .axi_out_req_t (spatz_cluster_pkg::spatz_axi_iwc_out_req_t),

diff --git a/util/Makefrag b/util/Makefrag
@@ -6,8 +6,8 @@
 
 # Root
 SHELL = /usr/bin/env bash
-SPATZ_DIR := $(shell git rev-parse --show-toplevel 2>/dev/null || echo $$SPATZ_DIR)
-ROOT_DIR := ${SPATZ_DIR}
+SPATZ_DIR ?= $(shell git rev-parse --show-toplevel 2>/dev/null || echo $$SPATZ_DIR)
+ROOT_DIR  ?= ${SPATZ_DIR}
 
 # Binaries
 INSTALL_PREFIX        ?= install