[prim_lfsr] Make LFSR type a string parameter
diff --git a/hw/ip/prim/rtl/prim_lfsr.sv b/hw/ip/prim/rtl/prim_lfsr.sv
index afa9813..0356292 100644
--- a/hw/ip/prim/rtl/prim_lfsr.sv
+++ b/hw/ip/prim/rtl/prim_lfsr.sv
@@ -20,8 +20,8 @@
// [3] https://www.xilinx.com/support/documentation/application_notes/xapp052.pdf
module prim_lfsr #(
- // Lfsr Type: 0) Galois XOR, 1) Fibonacci XNOR
- parameter int unsigned LfsrType = 0,
+ // Lfsr Type, can be FIB_XNOR or GAL_XOR
+ parameter LfsrType = "GAL_XOR",
// Lfsr width
parameter int unsigned LfsrDw = 32,
// Width of input to be XOR'd into state (lfsr_q[InDw-1:0])
@@ -281,7 +281,7 @@
//////////////////////////////////////////////////////
// Galois XOR
- if (LfsrType == 0) begin : gen_fib_xor
+ if (LfsrType == "GAL_XOR") begin : gen_gal_xor
// if custom polynomial is provided
if (Custom) begin : gen_custom
@@ -304,7 +304,7 @@
//////////////////////////////////////////////////////
// Fibonacci XNOR
- end else if (LfsrType == 1) begin : gen_fib_xnor
+ end else if (LfsrType == "FIB_XNOR") begin : gen_fib_xnor
// if custom polynomial is provided
if (Custom) begin : gen_custom
