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xfcp: Use SV enums in XFCP

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Signed-off-by: Alex Forencich <alex@alexforencich.com>
This commit is contained in:
Alex Forencich
2026-02-27 16:13:16 -08:00
parent b7aa9623c4
commit d055cb7857
4 changed files with 62 additions and 57 deletions
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29
src/xfcp/rtl/taxi_xfcp_mod_axil.sv
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@@ -144,19 +144,20 @@ initial begin
end
end
localparam [3:0]
STATE_IDLE = 4'd0,
STATE_HEADER_1 = 4'd1,
STATE_HEADER_2 = 4'd2,
STATE_HEADER_3 = 4'd3,
STATE_READ_1 = 4'd4,
STATE_READ_2 = 4'd5,
STATE_WRITE_1 = 4'd6,
STATE_WRITE_2 = 4'd7,
STATE_WAIT_LAST = 4'd8,
STATE_ID = 4'd9;
typedef enum logic [3:0] {
STATE_IDLE,
STATE_HEADER_1,
STATE_HEADER_2,
STATE_HEADER_3,
STATE_READ_1,
STATE_READ_2,
STATE_WRITE_1,
STATE_WRITE_2,
STATE_WAIT_LAST,
STATE_ID
} state_t;
logic [3:0] state_reg = STATE_IDLE, state_next;
state_t state_reg = STATE_IDLE, state_next;
logic [COUNT_SIZE-1:0] ptr_reg = '0, ptr_next;
logic [7:0] count_reg = 8'd0, count_next;
@@ -621,7 +622,7 @@ always_comb begin
store_xfcp_usp_us_int_to_output = 1'b0;
store_xfcp_usp_us_int_to_temp = 1'b0;
store_xfcp_usp_us_temp_to_output = 1'b0;
if (xfcp_usp_us_tready_int_reg) begin
// input is ready
if (xfcp_usp_us.tready || !xfcp_usp_us_tvalid_reg) begin
@@ -667,7 +668,7 @@ always_ff @(posedge clk) begin
xfcp_usp_us_tvalid_reg <= 1'b0;
xfcp_usp_us_tready_int_reg <= 1'b0;
temp_xfcp_usp_us_tvalid_reg <= 1'b0;
end
end
end
endmodule