blob: 29355aafb105bb7c6c30406a182bb514d6f3a010 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
module reset_test #(parameter WIDTH=32, SELW=1, CTRLW=$clog2(WIDTH), DINW=2**SELW)
(input clk,
input [CTRLW-1:0] ctrl,
input [DINW-1:0] din,
input [SELW-1:0] sel,
output reg [WIDTH-1:0] dout);
reg [SELW:0] i;
wire [SELW-1:0] rval = {reset, {SELW-1{1'b0}}};
localparam SLICE = WIDTH/(SELW**2);
// Doing exotic reset. masking 2 LSB bits to 0, 6 MSB bits to 1 for
// whatever reason.
always @(posedge clk) begin
if (reset) begin: reset_mask
for (i = 0; i < {SELW{1'b1}}; i=i+1) begin
dout[i*rval+:SLICE] <= 32'hDEAD;
end
end
//else begin
dout[ctrl*sel+:SLICE] <= din;
//end
end
endmodule
|
