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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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25
src/xfcp/rtl/taxi_xfcp_mod_apb.sv
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@@ -143,19 +143,20 @@ 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;

25
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;

31
src/xfcp/rtl/taxi_xfcp_mod_i2c_master.sv
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@@ -105,22 +105,23 @@ initial begin
end
end
localparam [3:0]
STATE_IDLE = 4'd0,
STATE_HEADER_1 = 4'd1,
STATE_HEADER_2 = 4'd2,
STATE_PROCESS = 4'd3,
STATE_STATUS = 4'd4,
STATE_PRESCALE_L = 4'd5,
STATE_PRESCALE_H = 4'd6,
STATE_COUNT = 4'd7,
STATE_NEXT_CMD= 4'd8,
STATE_WRITE_DATA = 4'd9,
STATE_READ_DATA = 4'd10,
STATE_WAIT_LAST = 4'd11,
STATE_ID = 4'd12;
typedef enum logic [3:0] {
STATE_IDLE,
STATE_HEADER_1,
STATE_HEADER_2,
STATE_PROCESS,
STATE_STATUS,
STATE_PRESCALE_L,
STATE_PRESCALE_H,
STATE_COUNT,
STATE_NEXT_CMD,
STATE_WRITE_DATA,
STATE_READ_DATA,
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 [7:0] count_reg = 8'd0, count_next;

24
src/xfcp/rtl/taxi_xfcp_switch.sv
View File

@@ -108,20 +108,22 @@ initial begin
end
end
localparam [2:0]
DN_STATE_IDLE = 3'd0,
DN_STATE_TRANSFER = 3'd1,
DN_STATE_HEADER = 3'd2,
DN_STATE_PKT = 3'd3,
DN_STATE_ID = 3'd4;
typedef enum logic [2:0] {
DN_STATE_IDLE,
DN_STATE_TRANSFER,
DN_STATE_HEADER,
DN_STATE_PKT,
DN_STATE_ID
} dn_state_t;
logic [2:0] dn_state_reg = DN_STATE_IDLE, dn_state_next;
dn_state_t dn_state_reg = DN_STATE_IDLE, dn_state_next;
localparam [0:0]
UP_STATE_IDLE = 1'd0,
UP_STATE_TRANSFER = 1'd1;
typedef enum logic [0:0] {
UP_STATE_IDLE,
UP_STATE_TRANSFER
} up_state_t;
logic [0:0] up_state_reg = UP_STATE_IDLE, up_state_next;
up_state_t up_state_reg = UP_STATE_IDLE, up_state_next;
logic [CL_PORTS-1:0] dn_select_reg = '0, dn_select_next;
logic dn_frame_reg = 1'b0, dn_frame_next;