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descramble: Pass through scrambled_valid 

Even when signal_status is low, we should still generate data. This
keeps the PCS processes moving along.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
This commit is contained in:
Sean Anderson 2022-11-05 11:54:39 -04:00
parent db30c5f8ba
commit ece7d6c619
1 changed files with 2 additions and 2 deletions
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4
rtl/descramble.v
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@ -13,6 +13,7 @@ module descramble (
output reg [1:0] descrambled, descrambled_valid output reg [1:0] descrambled, descrambled_valid
); );
initial descrambled_valid = 0;
reg relock, relock_next, locked_next; reg relock, relock_next, locked_next;
initial relock = 0; initial relock = 0;
reg [1:0] ldd, descrambled_next; reg [1:0] ldd, descrambled_next;
@ -122,20 +123,19 @@ end
always @(posedge clk) begin always @(posedge clk) begin
descrambled <= descrambled_next; descrambled <= descrambled_next;
descrambled_valid <= scrambled_valid;
if (signal_status) begin if (signal_status) begin
lfsr <= lfsr_next; lfsr <= lfsr_next;
idle_counter <= idle_counter_next; idle_counter <= idle_counter_next;
relock <= relock_next; relock <= relock_next;
unlock_counter <= unlock_counter_next; unlock_counter <= unlock_counter_next;
locked <= locked_next; locked <= locked_next;
descrambled_valid <= scrambled_valid;
end else begin end else begin
lfsr <= 0; lfsr <= 0;
idle_counter <= CONSECUTIVE_IDLES; idle_counter <= CONSECUTIVE_IDLES;
relock <= 0; relock <= 0;
unlock_counter <= 17'h1ffff; unlock_counter <= 17'h1ffff;
locked <= 0; locked <= 0;
descrambled_valid <= 0;
end end
end end