[dv] SPI host smoke test added to top-level DV

Both in the test bench top as well as the smoke regression.

Author: marnovandermaas

hw/top_chip/dv/tb/tb.sv

@@ -26,6 +26,9 @@ module tb;
   wire peri_clk;
   wire peri_rst_n;
 
+  logic [3:0] spi_host_sd;
+  logic [3:0] spi_host_sd_en;
+
   // ------ Interfaces ------
   clk_rst_if sys_clk_if(.clk(clk), .rst_n(rst_n));
   clk_rst_if peri_clk_if(.clk(peri_clk), .rst_n(peri_rst_n));
@@ -64,6 +67,20 @@ module tb;
     .spi_device_sd_en_o   (                 ),
     .spi_device_sd_i      (4'hF             ),
     .spi_device_tpm_csb_i (1'b0             ),
+    // SPI host.
+    .spi_host_sck_o       (                 ),
+    .spi_host_sck_en_o    (                 ),
+    .spi_host_csb_o       (                 ),
+    .spi_host_csb_en_o    (                 ),
+    .spi_host_sd_o        (spi_host_sd      ),
+    .spi_host_sd_en_o     (spi_host_sd_en   ),
+    // Mapping output 0 to input 1 because legacy SPI does not allow
+    // bi-directional wires.
+    // This only works in standard mode where sd_o[0]=COPI and
+    // sd_i[1]=CIPO.
+    .spi_host_sd_i        ({2'b0,
+                            spi_host_sd_en[0] ? spi_host_sd[0] : 1'b0,
+                            1'b0           }),
     // DRAM.
     .dram_req_o           (dram_req         ),
     .dram_resp_i          (dram_resp        )

hw/top_chip/dv/top_chip_sim_cfg.hjson

@@ -116,6 +116,18 @@
       sw_images: ["spi_device_smoketest_cheri_bare:5"]
       run_opts: ["+ChipMemSRAM_image_file={run_dir}/spi_device_smoketest_cheri_bare.vmem"]
     }
+    {
+      name: spi_host_smoke
+      uvm_test_seq: top_chip_dv_base_vseq
+      sw_images: ["spi_host_smoketest_vanilla_bare:5"]
+      run_opts: ["+ChipMemSRAM_image_file={run_dir}/spi_host_smoketest_vanilla_bare.vmem"]
+    }
+    {
+      name: spi_host_smoke_cheri
+      uvm_test_seq: top_chip_dv_base_vseq
+      sw_images: ["spi_host_smoketest_cheri_bare:5"]
+      run_opts: ["+ChipMemSRAM_image_file={run_dir}/spi_host_smoketest_cheri_bare.vmem"]
+    }
     {
       name: i2c_host_tx_rx
       uvm_test_seq: top_chip_dv_i2c_host_tx_rx_vseq
@@ -195,6 +207,8 @@
         "test_framework_exception_test_cheri",
         "spi_device_smoke",
         "spi_device_smoke_cheri",
+        "spi_host_smoke",
+        "spi_host_smoke_cheri",
         "gpio_smoke",
         "mailbox_smoke",
         "mailbox_smoke_cheri",