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ptp: Clean up array init

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Signed-off-by: Alex Forencich <alex@alexforencich.com>
This commit is contained in:
Alex Forencich
2026-03-08 14:43:14 -07:00
parent 3ac7484e16
commit 9ec5bd0190
2 changed files with 14 additions and 45 deletions
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25
src/ptp/rtl/taxi_ptp_clock.sv
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@@ -128,17 +128,17 @@ if (PIPELINE_OUTPUT > 0) begin
// pipeline
(* shreg_extract = "no" *)
logic [95:0] output_ts_tod_reg[0:PIPELINE_OUTPUT-1];
logic [95:0] output_ts_tod_reg[0:PIPELINE_OUTPUT-1] = '{default: '0};
(* shreg_extract = "no" *)
logic output_ts_tod_step_reg[0:PIPELINE_OUTPUT-1];
logic output_ts_tod_step_reg[0:PIPELINE_OUTPUT-1] = '{default: '0};
(* shreg_extract = "no" *)
logic [63:0] output_ts_rel_reg[0:PIPELINE_OUTPUT-1];
logic [63:0] output_ts_rel_reg[0:PIPELINE_OUTPUT-1] = '{default: '0};
(* shreg_extract = "no" *)
logic output_ts_rel_step_reg[0:PIPELINE_OUTPUT-1];
logic output_ts_rel_step_reg[0:PIPELINE_OUTPUT-1] = '{default: '0};
(* shreg_extract = "no" *)
logic output_pps_reg[0:PIPELINE_OUTPUT-1];
logic output_pps_reg[0:PIPELINE_OUTPUT-1] = '{default: '0};
(* shreg_extract = "no" *)
logic output_pps_str_reg[0:PIPELINE_OUTPUT-1];
logic output_pps_str_reg[0:PIPELINE_OUTPUT-1] = '{default: '0};
assign output_ts_tod = output_ts_tod_reg[PIPELINE_OUTPUT-1];
assign output_ts_tod_step = output_ts_tod_step_reg[PIPELINE_OUTPUT-1];
@@ -149,19 +149,6 @@ if (PIPELINE_OUTPUT > 0) begin
assign output_pps = output_pps_reg[PIPELINE_OUTPUT-1];
assign output_pps_str = output_pps_str_reg[PIPELINE_OUTPUT-1];
initial begin
for (integer i = 0; i < PIPELINE_OUTPUT; i = i + 1) begin
output_ts_tod_reg[i] = '0;
output_ts_tod_step_reg[i] = 1'b0;
output_ts_rel_reg[i] = '0;
output_ts_rel_step_reg[i] = 1'b0;
output_pps_reg[i] = 1'b0;
output_pps_str_reg[i] = 1'b0;
end
end
always_ff @(posedge clk) begin
output_ts_tod_reg[0][95:48] <= ts_tod_s_reg;
output_ts_tod_reg[0][47:46] <= 2'b00;

34
src/ptp/rtl/taxi_ptp_clock_cdc.sv
View File

@@ -106,10 +106,10 @@ logic ts_step_reg = 1'b0, ts_step_next;
logic pps_reg = 1'b0;
logic pps_str_reg = 1'b0;
logic [47:0] ts_s_pipe_reg[0:PIPELINE_OUTPUT-1];
logic [TS_NS_W+CMP_FNS_W-1:0] ts_ns_pipe_reg[0:PIPELINE_OUTPUT-1];
logic ts_step_pipe_reg[0:PIPELINE_OUTPUT-1];
logic pps_pipe_reg[0:PIPELINE_OUTPUT-1];
logic [47:0] ts_s_pipe_reg[0:PIPELINE_OUTPUT-1] = '{default: '0};
logic [TS_NS_W+CMP_FNS_W-1:0] ts_ns_pipe_reg[0:PIPELINE_OUTPUT-1] = '{default: '0};
logic ts_step_pipe_reg[0:PIPELINE_OUTPUT-1] = '{default: '0};
logic pps_pipe_reg[0:PIPELINE_OUTPUT-1] = '{default: '0};
logic [PHASE_CNT_W-1:0] src_phase_reg = '0;
logic [PHASE_ACC_W-1:0] dest_phase_reg = '0, dest_phase_next;
@@ -151,28 +151,19 @@ if (PIPELINE_OUTPUT > 0) begin
// pipeline
(* shreg_extract = "no" *)
logic [TS_W-1:0] output_ts_reg[0:PIPELINE_OUTPUT-1];
logic [TS_W-1:0] output_ts_reg[0:PIPELINE_OUTPUT-1] = '{default: '0};
(* shreg_extract = "no" *)
logic output_ts_step_reg[0:PIPELINE_OUTPUT-1];
logic output_ts_step_reg[0:PIPELINE_OUTPUT-1] = '{default: '0};
(* shreg_extract = "no" *)
logic output_pps_reg[0:PIPELINE_OUTPUT-1];
logic output_pps_reg[0:PIPELINE_OUTPUT-1] = '{default: '0};
(* shreg_extract = "no" *)
logic output_pps_str_reg[0:PIPELINE_OUTPUT-1];
logic output_pps_str_reg[0:PIPELINE_OUTPUT-1] = '{default: '0};
assign output_ts = output_ts_reg[PIPELINE_OUTPUT-1];
assign output_ts_step = output_ts_step_reg[PIPELINE_OUTPUT-1];
assign output_pps = output_pps_reg[PIPELINE_OUTPUT-1];
assign output_pps_str = output_pps_str_reg[PIPELINE_OUTPUT-1];
initial begin
for (integer i = 0; i < PIPELINE_OUTPUT; i = i + 1) begin
output_ts_reg[i] = 0;
output_ts_step_reg[i] = 1'b0;
output_pps_reg[i] = 1'b0;
output_pps_str_reg[i] = 1'b0;
end
end
always_ff @(posedge output_clk) begin
if (TS_W == 96) begin
output_ts_reg[0][95:48] <= ts_s_reg;
@@ -220,15 +211,6 @@ end else begin
end
initial begin
for (integer i = 0; i < PIPELINE_OUTPUT; i = i + 1) begin
ts_s_pipe_reg[i] = 0;
ts_ns_pipe_reg[i] = 0;
ts_step_pipe_reg[i] = 1'b0;
pps_pipe_reg[i] = 1'b0;
end
end
// source PTP clock capture and sync logic
logic input_ts_step_reg = 1'b0;