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axi_gpreg: add buffer enable

main
Rejeesh Kutty 2015-11-05 11:27:10 -05:00
parent 66d4f8fd58
commit 482b740229
2 changed files with 30 additions and 5 deletions
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19
library/axi_gpreg/axi_gpreg.v
View File

@ -41,7 +41,15 @@ module axi_gpreg #(
parameter integer ID = 0,
parameter integer NUM_OF_IO = 8,
parameter integer NUM_OF_CLK_MONS = 8)
parameter integer NUM_OF_CLK_MONS = 8,
parameter integer BUF_ENABLE_0 = 1,
parameter integer BUF_ENABLE_1 = 1,
parameter integer BUF_ENABLE_2 = 1,
parameter integer BUF_ENABLE_3 = 1,
parameter integer BUF_ENABLE_4 = 1,
parameter integer BUF_ENABLE_5 = 1,
parameter integer BUF_ENABLE_6 = 1,
parameter integer BUF_ENABLE_7 = 1)
(
@ -107,7 +115,9 @@ module axi_gpreg #(
// version
localparam PCORE_VERSION = 32'h00040063;
localparam [31:0] PCORE_VERSION = 32'h00040063;
localparam integer BUF_ENABLE[7:0] = {BUF_ENABLE_7, BUF_ENABLE_6, BUF_ENABLE_5, BUF_ENABLE_4,
BUF_ENABLE_3, BUF_ENABLE_2, BUF_ENABLE_1, BUF_ENABLE_0};
// internal registers
@ -288,7 +298,10 @@ module axi_gpreg #(
end
for (n = 0; n < NUM_OF_CLK_MONS; n = n + 1) begin: g_clock_mon
axi_gpreg_clock_mon #(.ID (32+n)) i_gpreg_clock_mon (
axi_gpreg_clock_mon #(
.ID (32+n),
.BUF_ENABLE (BUF_ENABLE[n]))
i_gpreg_clock_mon (
.d_clk (d_clk_s[n]),
.up_rstn (up_rstn),
.up_clk (up_clk),

16
library/axi_gpreg/axi_gpreg_clock_mon.v
View File

@ -59,6 +59,7 @@ module axi_gpreg_clock_mon (
// parameters
parameter ID = 0;
parameter BUF_ENABLE = 0;
// clock
@ -91,6 +92,7 @@ module axi_gpreg_clock_mon (
wire up_rreq_s;
wire [31:0] up_d_count_s;
wire d_rst;
wire d_clk_g;
// decode block select
@ -140,13 +142,23 @@ module axi_gpreg_clock_mon (
.up_clk (up_clk),
.up_d_count (up_d_count_s),
.d_rst (d_rst),
.d_clk (d_clk));
.d_clk (d_clk_g));
ad_rst i_d_rst_reg (
.preset (up_d_preset),
.clk (d_clk),
.clk (d_clk_g),
.rst (d_rst));
generate
if (BUF_ENABLE == 1) begin
BUFG i_bufg (
.I (d_clk),
.O (d_clk_g));
end else begin
assign d_clk_g = d_clk;
end
endgenerate
endmodule
// ***************************************************************************