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pmd: Initialize sd_delay 

Although the least-significant bit of sd_delay is driven by an SB_IO (if
we are synthesizing), the other bits need to be initialized.

Fixes: d8ce165 ("pmd: Delay signal_status/detect until data is valid")
Signed-off-by: Sean Anderson <seanga2@gmail.com>
This commit is contained in:
Sean Anderson 2023-01-09 20:31:39 -05:00
parent acfd5f62d2
commit 5b3c350581
1 changed files with 3 additions and 1 deletions
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4
rtl/pmd_dp83223_rx.v
View File

@ -28,6 +28,7 @@ module pmd_dp83223_rx (
reg [1:0] rx_p, rx_n; reg [1:0] rx_p, rx_n;
reg [4:0] sd_delay; reg [4:0] sd_delay;
initial sd_delay[4:1] = 4'b0;
`ifdef SYNTHESIS `ifdef SYNTHESIS
SB_IO #( SB_IO #(
@ -47,6 +48,7 @@ module pmd_dp83223_rx (
.D_IN_1(rx_n[0]) .D_IN_1(rx_n[0])
); );
`else `else
initial sd_delay[0] = 0;
always @(posedge clk_125) always @(posedge clk_125)
sd_delay[0] <= signal_detect; sd_delay[0] <= signal_detect;
@ -189,7 +191,7 @@ module pmd_dp83223_rx (
`ifndef SYNTHESIS `ifndef SYNTHESIS
reg [255:0] state_text; reg [255:0] state_text;
input [13:0] delay; wire [13:0] delay;
always @(*) begin always @(*) begin
case (state) case (state)