commit 76ce9ec3a0e37046b306b23eb4a982e8e856d5fe
author Weicai Yang <weicai@google.com> Tue Aug 30 16:14:50 2022 -0700
committer weicaiyang <49293026+weicaiyang@users.noreply.github.com> Wed Aug 31 14:28:17 2022 -0700
tree 5fc8063add2bfa6ee1b44cb42d9853ed19d3135c
parent 7cbb64c42451e388246c37f46252db1fbd8cd550

[chip, dv] Test chip_sw_lc_ctrl_key_div

Enabled `chip_sw_keymgr_key_derivation_vseq` to run in PROD state
and checked another key_div is used in the advance operation

Signed-off-by: Weicai Yang <weicai@google.com>

hw/top_earlgrey/dv/chip_sim_cfg.hjson

diff --git a/hw/top_earlgrey/dv/chip_sim_cfg.hjson b/hw/top_earlgrey/dv/chip_sim_cfg.hjson
index 7034a02..9f76f08 100644
--- a/hw/top_earlgrey/dv/chip_sim_cfg.hjson
+++ b/hw/top_earlgrey/dv/chip_sim_cfg.hjson
@@ -865,6 +865,13 @@
       run_opts: ["+sw_test_timeout_ns=20_000_000"]
     }
     {
+      name: chip_sw_keymgr_key_derivation_prod
+      uvm_test_seq: chip_sw_keymgr_key_derivation_vseq
+      sw_images: ["//sw/device/tests/sim_dv:keymgr_key_derivation_test:1"]
+      en_run_modes: ["sw_test_mode_test_rom"]
+      run_opts: ["+lc_at_prod=1", "+sw_test_timeout_ns=20_000_000"]
+    }
+    {
       name: chip_sw_keymgr_key_derivation_jitter_en
       uvm_test_seq: chip_sw_keymgr_key_derivation_vseq
       sw_images: ["//sw/device/tests/sim_dv:keymgr_key_derivation_test:1"]

hw/top_earlgrey/dv/env/seq_lib/chip_sw_keymgr_key_derivation_vseq.sv

diff --git a/hw/top_earlgrey/dv/env/seq_lib/chip_sw_keymgr_key_derivation_vseq.sv b/hw/top_earlgrey/dv/env/seq_lib/chip_sw_keymgr_key_derivation_vseq.sv
index 3dbb5cd..2f23d40 100644
--- a/hw/top_earlgrey/dv/env/seq_lib/chip_sw_keymgr_key_derivation_vseq.sv
+++ b/hw/top_earlgrey/dv/env/seq_lib/chip_sw_keymgr_key_derivation_vseq.sv
@@ -97,6 +97,16 @@
       top_earlgrey_rnd_cnst_pkg::RndCnstKeymgrOtbnSeed,
       top_earlgrey_rnd_cnst_pkg::RndCnstKeymgrHardOutputSeed};
 
+  bit lc_at_prod;
+
+  virtual task dut_init(string reset_kind = "HARD");
+    super.dut_init(reset_kind);
+    void'($value$plusargs("lc_at_prod=%0d", lc_at_prod));
+    if (lc_at_prod) begin
+      cfg.mem_bkdr_util_h[Otp].otp_write_lc_partition_state(LcStProd);
+    end
+  endtask
+
   virtual task body();
     string path_internal_key = "tb.dut.top_earlgrey.u_keymgr.u_ctrl.key_o.key";
     string path_kmac_key = "tb.dut.top_earlgrey.u_keymgr.kmac_key_o";
@@ -200,7 +210,15 @@
     `uvm_info(`gfn, $sformatf("DeviceIdentifier 0x%0h", creator_data.DeviceIdentifier),
               UVM_LOW)
 
-    creator_data.HealthMeasurement = top_earlgrey_rnd_cnst_pkg::RndCnstLcCtrlLcKeymgrDivTestDevRma;
+    // this test uses either PROD or RMA state
+    if (lc_at_prod) begin
+      creator_data.HealthMeasurement =
+          top_earlgrey_rnd_cnst_pkg::RndCnstLcCtrlLcKeymgrDivProduction;
+    end else begin
+      creator_data.HealthMeasurement =
+          top_earlgrey_rnd_cnst_pkg::RndCnstLcCtrlLcKeymgrDivTestDevRma;
+    end
+
     for (int i = 0; i < keymgr_pkg::KeyWidth / TL_DW; i++) begin
       bit [TL_DW-1:0] rdata;
       csr_peek(ral.rom_ctrl_regs.digest[i], rdata);