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pcie: Use SV enums in PCIe logic

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Signed-off-by: Alex Forencich <alex@alexforencich.com>
This commit is contained in:
Alex Forencich
2026-02-27 15:55:34 -08:00
parent 1740e09a8a
commit 6cf03d6435
5 changed files with 77 additions and 62 deletions
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18
src/pcie/rtl/taxi_pcie_msix_axil.sv
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@@ -88,20 +88,22 @@ if (AXIL_ADDR_W < IRQ_INDEX_W+5)
if (IRQ_INDEX_W > 11)
$fatal(0, "Error: IRQ index width must be 11 or less (instance %m)");
localparam [2:0]
typedef enum logic [2:0] {
TLP_FMT_3DW = 3'b000,
TLP_FMT_4DW = 3'b001,
TLP_FMT_3DW_DATA = 3'b010,
TLP_FMT_4DW_DATA = 3'b011,
TLP_FMT_PREFIX = 3'b100;
TLP_FMT_PREFIX = 3'b100
} tlp_fmt_t;
localparam [1:0]
STATE_IDLE = 2'd0,
STATE_READ_TBL_1 = 2'd1,
STATE_READ_TBL_2 = 2'd2,
STATE_SEND_TLP = 2'd3;
typedef enum logic [1:0] {
STATE_IDLE,
STATE_READ_TBL_1,
STATE_READ_TBL_2,
STATE_SEND_TLP
} state_t;
logic [1:0] state_reg = STATE_IDLE, state_next;
state_t state_reg = STATE_IDLE, state_next;
logic [IRQ_INDEX_W-1:0] irq_index_reg = '0, irq_index_next;