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hdl/library- fix syntax errors/synthesis warnings

main
Rejeesh Kutty 2017-07-20 14:07:19 -04:00
parent 669a2da735
commit 6c986d9b6a
9 changed files with 229 additions and 199 deletions
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1
library/altera/common/ad_mul.v
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@ -75,6 +75,7 @@ module ad_mul #(
i_lpm_mult (
.clken (1'b1),
.aclr (1'b0),
.sclr (1'b0),
.sum (1'b0),
.clock (clk),
.dataa (data_a),

1
library/axi_ad9361/axi_ad9361.v
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@ -404,6 +404,7 @@ module axi_ad9361 #(
.tdd_mode (tdd_mode_s),
.mmcm_rst (mmcm_rst),
.up_clk (up_clk),
.up_rstn (up_rstn),
.up_enable (up_enable),
.up_txnrx (up_txnrx),
.up_adc_dld (up_adc_dld_s[6:0]),

1
library/axi_ad9361/axi_ad9361_tx.v
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@ -344,6 +344,7 @@ module axi_ad9361_tx #(
.dac_status_ovf (dac_dovf),
.dac_status_unf (dac_dunf),
.dac_clk_ratio (32'd1),
.up_dac_ce (),
.up_drp_sel (),
.up_drp_wr (),
.up_drp_addr (),

12
library/axi_ad9361/axi_ad9361_tx_channel.v
View File

@ -248,8 +248,8 @@ module axi_ad9361_tx_channel #(
// dac iq correction
assign dac_enable = (DISABLE == 1) ? 'd0 : dac_enable_int;
assign dac_data = (DISABLE == 1) ? 'd0 : dac_data_int;
assign dac_enable = (DISABLE == 1) ? 1'd0 : dac_enable_int;
assign dac_data = (DISABLE == 1) ? 12'd0 : dac_data_int;
always @(posedge dac_clk) begin
dac_enable_int <= (dac_data_sel_s == 4'h2) ? 1'b1 : 1'b0;
@ -274,7 +274,7 @@ module axi_ad9361_tx_channel #(
// dac mux
assign dac_data_out = (DISABLE == 1) ? 'd0 : dac_data_out_int;
assign dac_data_out = (DISABLE == 1) ? 12'd0 : dac_data_out_int;
always @(posedge dac_clk) begin
case (dac_data_sel_s)
@ -349,9 +349,9 @@ module axi_ad9361_tx_channel #(
// single channel processor
assign up_wack = (DISABLE == 1) ? 'd0 : up_wack_s;
assign up_rack = (DISABLE == 1) ? 'd0 : up_rack_s;
assign up_rdata = (DISABLE == 1) ? 'd0 : up_rdata_s;
assign up_wack = (DISABLE == 1) ? 1'd0 : up_wack_s;
assign up_rack = (DISABLE == 1) ? 1'd0 : up_rack_s;
assign up_rdata = (DISABLE == 1) ? 32'd0 : up_rdata_s;
up_dac_channel #(
.CHANNEL_ID (CHANNEL_ID),

87
library/common/ad_dds_sine.v
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@ -43,52 +43,52 @@ module ad_dds_sine #(
// sine = sin(angle)
input clk,
input [ 15:0] angle,
output reg [ 15:0] sine,
input [ DW:0] ddata_in,
output reg [ DW:0] ddata_out);
localparam DW = DELAY_DATA_WIDTH - 1;
input clk,
input [15:0] angle,
output [15:0] sine,
input [(DELAY_DATA_WIDTH-1):0] ddata_in,
output [(DELAY_DATA_WIDTH-1):0] ddata_out);
// internal registers
reg [ 33:0] s1_data_p = 'd0;
reg [ 33:0] s1_data_n = 'd0;
reg [ 15:0] s1_angle = 'd0;
reg [ DW:0] s1_ddata = 'd0;
reg [ 18:0] s2_data_0 = 'd0;
reg [ 18:0] s2_data_1 = 'd0;
reg [ DW:0] s2_ddata = 'd0;
reg [ 18:0] s3_data = 'd0;
reg [ DW:0] s3_ddata = 'd0;
reg [ 33:0] s4_data2_p = 'd0;
reg [ 33:0] s4_data2_n = 'd0;
reg [ 16:0] s4_data1_p = 'd0;
reg [ 16:0] s4_data1_n = 'd0;
reg [ DW:0] s4_ddata = 'd0;
reg [ 16:0] s5_data2_0 = 'd0;
reg [ 16:0] s5_data2_1 = 'd0;
reg [ 16:0] s5_data1 = 'd0;
reg [ DW:0] s5_ddata = 'd0;
reg [ 16:0] s6_data2 = 'd0;
reg [ 16:0] s6_data1 = 'd0;
reg [ DW:0] s6_ddata = 'd0;
reg [ 33:0] s7_data = 'd0;
reg [ DW:0] s7_ddata = 'd0;
reg [33:0] s1_data_p = 'd0;
reg [33:0] s1_data_n = 'd0;
reg [15:0] s1_angle = 'd0;
reg [(DELAY_DATA_WIDTH-1):0] s1_ddata = 'd0;
reg [18:0] s2_data_0 = 'd0;
reg [18:0] s2_data_1 = 'd0;
reg [(DELAY_DATA_WIDTH-1):0] s2_ddata = 'd0;
reg [18:0] s3_data = 'd0;
reg [(DELAY_DATA_WIDTH-1):0] s3_ddata = 'd0;
reg [33:0] s4_data2_p = 'd0;
reg [33:0] s4_data2_n = 'd0;
reg [16:0] s4_data1_p = 'd0;
reg [16:0] s4_data1_n = 'd0;
reg [(DELAY_DATA_WIDTH-1):0] s4_ddata = 'd0;
reg [16:0] s5_data2_0 = 'd0;
reg [16:0] s5_data2_1 = 'd0;
reg [16:0] s5_data1 = 'd0;
reg [(DELAY_DATA_WIDTH-1):0] s5_ddata = 'd0;
reg [16:0] s6_data2 = 'd0;
reg [16:0] s6_data1 = 'd0;
reg [(DELAY_DATA_WIDTH-1):0] s6_ddata = 'd0;
reg [33:0] s7_data = 'd0;
reg [(DELAY_DATA_WIDTH-1):0] s7_ddata = 'd0;
reg [15:0] sine_int = 'd0;
reg [(DELAY_DATA_WIDTH-1):0] ddata_out_int = 'd0;
// internal signals
wire [ 15:0] angle_s;
wire [ 33:0] s1_data_s;
wire [ DW:0] s1_ddata_s;
wire [ 15:0] s1_angle_s;
wire [ 33:0] s4_data2_s;
wire [ DW:0] s4_ddata_s;
wire [ 16:0] s4_data1_s;
wire [ 33:0] s7_data2_s;
wire [ 33:0] s7_data1_s;
wire [ DW:0] s7_ddata_s;
wire [15:0] angle_s;
wire [33:0] s1_data_s;
wire [(DELAY_DATA_WIDTH-1):0] s1_ddata_s;
wire [15:0] s1_angle_s;
wire [33:0] s4_data2_s;
wire [(DELAY_DATA_WIDTH-1):0] s4_ddata_s;
wire [16:0] s4_data1_s;
wire [33:0] s7_data2_s;
wire [33:0] s7_data1_s;
wire [(DELAY_DATA_WIDTH-1):0] s7_ddata_s;
// make angle 2's complement
@ -192,9 +192,12 @@ module ad_dds_sine #(
// output registers
assign sine = sine_int;
assign ddata_out = ddata_out_int;
always @(posedge clk) begin
sine <= s7_data[30:15];
ddata_out <= s7_ddata;
sine_int <= s7_data[30:15];
ddata_out_int <= s7_ddata;
end
endmodule

45
library/common/ad_pnmon.v
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@ -42,51 +42,54 @@ module ad_pnmon #(
// adc interface
input adc_clk,
input adc_valid_in,
input [DW:0] adc_data_in,
input [DW:0] adc_data_pn,
input adc_clk,
input adc_valid_in,
input [(DATA_WIDTH-1):0] adc_data_in,
input [(DATA_WIDTH-1):0] adc_data_pn,
// pn out of sync and error
output reg adc_pn_oos,
output reg adc_pn_err);
localparam DW = DATA_WIDTH - 1;
output adc_pn_oos,
output adc_pn_err);
// internal registers
reg adc_valid_d = 'd0;
reg adc_pn_match_d = 'd0;
reg adc_pn_match_z = 'd0;
reg [ 3:0] adc_pn_oos_count = 'd0;
reg adc_valid_d = 'd0;
reg adc_pn_match_d = 'd0;
reg adc_pn_match_z = 'd0;
reg adc_pn_oos_int = 'd0;
reg adc_pn_err_int = 'd0;
reg [ 3:0] adc_pn_oos_count = 'd0;
// internal signals
wire adc_pn_match_d_s;
wire adc_pn_match_z_s;
wire adc_pn_match_s;
wire adc_pn_update_s;
wire adc_pn_err_s;
wire adc_pn_match_d_s;
wire adc_pn_match_z_s;
wire adc_pn_match_s;
wire adc_pn_update_s;
wire adc_pn_err_s;
// make sure data is not 0, sequence will fail.
assign adc_pn_match_d_s = (adc_data_in == adc_data_pn) ? 1'b1 : 1'b0;
assign adc_pn_match_z_s = (adc_data_in == 'd0) ? 1'b0 : 1'b1;
assign adc_pn_match_s = adc_pn_match_d & adc_pn_match_z;
assign adc_pn_update_s = ~(adc_pn_oos ^ adc_pn_match_s);
assign adc_pn_err_s = ~(adc_pn_oos | adc_pn_match_s);
assign adc_pn_update_s = ~(adc_pn_oos_int ^ adc_pn_match_s);
assign adc_pn_err_s = ~(adc_pn_oos_int | adc_pn_match_s);
// pn oos and counters (16 to clear and set).
assign adc_pn_oos = adc_pn_oos_int;
assign adc_pn_err = adc_pn_err_int;
always @(posedge adc_clk) begin
adc_valid_d <= adc_valid_in;
adc_pn_match_d <= adc_pn_match_d_s;
adc_pn_match_z <= adc_pn_match_z_s;
if (adc_valid_d == 1'b1) begin
adc_pn_err <= adc_pn_err_s;
adc_pn_err_int <= adc_pn_err_s;
if ((adc_pn_update_s == 1'b1) && (adc_pn_oos_count >= 15)) begin
adc_pn_oos <= ~adc_pn_oos;
adc_pn_oos_int <= ~adc_pn_oos_int;
end
if (adc_pn_update_s == 1'b1) begin
adc_pn_oos_count <= adc_pn_oos_count + 1'b1;

183
library/common/up_axi.v
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@ -42,117 +42,131 @@ module up_axi #(
// reset and clocks
input up_rstn,
input up_clk,
input up_rstn,
input up_clk,
// axi4 interface
input up_axi_awvalid,
input [AXI_AW:0] up_axi_awaddr,
output reg up_axi_awready,
input up_axi_wvalid,
input [31:0] up_axi_wdata,
input [ 3:0] up_axi_wstrb,
output reg up_axi_wready,
output reg up_axi_bvalid,
output [ 1:0] up_axi_bresp,
input up_axi_bready,
input up_axi_arvalid,
input [AXI_AW:0] up_axi_araddr,
output reg up_axi_arready,
output reg up_axi_rvalid,
output [ 1:0] up_axi_rresp,
output reg [31:0] up_axi_rdata,
input up_axi_rready,
input up_axi_awvalid,
input [(AXI_ADDRESS_WIDTH-1):0] up_axi_awaddr,
output up_axi_awready,
input up_axi_wvalid,
input [31:0] up_axi_wdata,
input [ 3:0] up_axi_wstrb,
output up_axi_wready,
output up_axi_bvalid,
output [ 1:0] up_axi_bresp,
input up_axi_bready,
input up_axi_arvalid,
input [(AXI_ADDRESS_WIDTH-1):0] up_axi_araddr,
output up_axi_arready,
output up_axi_rvalid,
output [ 1:0] up_axi_rresp,
output [31:0] up_axi_rdata,
input up_axi_rready,
// pcore interface
output reg up_wreq,
output reg [AW:0] up_waddr,
output reg [31:0] up_wdata,
input up_wack,
output reg up_rreq,
output reg [AW:0] up_raddr,
input [31:0] up_rdata,
input up_rack);
localparam AXI_AW = AXI_ADDRESS_WIDTH - 1;
localparam AW = ADDRESS_WIDTH - 1;
output up_wreq,
output [(ADDRESS_WIDTH-1):0] up_waddr,
output [31:0] up_wdata,
input up_wack,
output up_rreq,
output [(ADDRESS_WIDTH-1):0] up_raddr,
input [31:0] up_rdata,
input up_rack);
// internal registers
reg up_wack_d = 'd0;
reg up_wsel = 'd0;
reg [ 4:0] up_wcount = 'd0;
reg up_rack_d = 'd0;
reg [31:0] up_rdata_d = 'd0;
reg up_rsel = 'd0;
reg [ 4:0] up_rcount = 'd0;
reg up_axi_awready_int = 'd0;
reg up_axi_wready_int = 'd0;
reg up_axi_bvalid_int = 'd0;
reg up_wack_d = 'd0;
reg up_wsel = 'd0;
reg up_wreq_int = 'd0;
reg [(ADDRESS_WIDTH-1):0] up_waddr_int = 'd0;
reg [31:0] up_wdata_int = 'd0;
reg [ 4:0] up_wcount = 'd0;
reg up_axi_arready_int = 'd0;
reg up_axi_rvalid_int = 'd0;
reg [31:0] up_axi_rdata_int = 'd0;
reg up_rack_d = 'd0;
reg [31:0] up_rdata_d = 'd0;
reg up_rsel = 'd0;
reg up_rreq_int = 'd0;
reg [(ADDRESS_WIDTH-1):0] up_raddr_int = 'd0;
reg [ 4:0] up_rcount = 'd0;
// internal signals
wire up_wack_s;
wire up_rack_s;
wire [31:0] up_rdata_s;
wire up_wack_s;
wire up_rack_s;
wire [31:0] up_rdata_s;
// write channel interface
assign up_axi_awready = up_axi_awready_int;
assign up_axi_wready = up_axi_wready_int;
assign up_axi_bvalid = up_axi_bvalid_int;
assign up_axi_bresp = 2'd0;
always @(negedge up_rstn or posedge up_clk) begin
if (up_rstn == 1'b0) begin
up_axi_awready <= 'd0;
up_axi_wready <= 'd0;
up_axi_bvalid <= 'd0;
up_axi_awready_int <= 'd0;
up_axi_wready_int <= 'd0;
up_axi_bvalid_int <= 'd0;
end else begin
if (up_axi_awready == 1'b1) begin
up_axi_awready <= 1'b0;
if (up_axi_awready_int == 1'b1) begin
up_axi_awready_int <= 1'b0;
end else if (up_wack_s == 1'b1) begin
up_axi_awready <= 1'b1;
up_axi_awready_int <= 1'b1;
end
if (up_axi_wready == 1'b1) begin
up_axi_wready <= 1'b0;
if (up_axi_wready_int == 1'b1) begin
up_axi_wready_int <= 1'b0;
end else if (up_wack_s == 1'b1) begin
up_axi_wready <= 1'b1;
up_axi_wready_int <= 1'b1;
end
if ((up_axi_bready == 1'b1) && (up_axi_bvalid == 1'b1)) begin
up_axi_bvalid <= 1'b0;
if ((up_axi_bready == 1'b1) && (up_axi_bvalid_int == 1'b1)) begin
up_axi_bvalid_int <= 1'b0;
end else if (up_wack_d == 1'b1) begin
up_axi_bvalid <= 1'b1;
up_axi_bvalid_int <= 1'b1;
end
end
end
assign up_wreq = up_wreq_int;
assign up_waddr = up_waddr_int;
assign up_wdata = up_wdata_int;
assign up_wack_s = (up_wcount == 5'h1f) ? 1'b1 : (up_wcount[4] & up_wack);
always @(negedge up_rstn or posedge up_clk) begin
if (up_rstn == 1'b0) begin
up_wack_d <= 'd0;
up_wsel <= 'd0;
up_wreq <= 'd0;
up_waddr <= 'd0;
up_wdata <= 'd0;
up_wreq_int <= 'd0;
up_waddr_int <= 'd0;
up_wdata_int <= 'd0;
up_wcount <= 'd0;
end else begin
up_wack_d <= up_wack_s;
if (up_wsel == 1'b1) begin
if ((up_axi_bready == 1'b1) && (up_axi_bvalid == 1'b1)) begin
if ((up_axi_bready == 1'b1) && (up_axi_bvalid_int == 1'b1)) begin
up_wsel <= 1'b0;
end
up_wreq <= 1'b0;
up_waddr <= up_waddr;
up_wdata <= up_wdata;
up_wreq_int <= 1'b0;
up_waddr_int <= up_waddr_int;
up_wdata_int <= up_wdata_int;
end else begin
up_wsel <= up_axi_awvalid & up_axi_wvalid;
up_wreq <= up_axi_awvalid & up_axi_wvalid;
up_waddr <= up_axi_awaddr[AW+2:2];
up_wdata <= up_axi_wdata;
up_wreq_int <= up_axi_awvalid & up_axi_wvalid;
up_waddr_int <= up_axi_awaddr[(ADDRESS_WIDTH+1):2];
up_wdata_int <= up_axi_wdata;
end
if (up_wack_s == 1'b1) begin
up_wcount <= 5'h00;
end else if (up_wcount[4] == 1'b1) begin
up_wcount <= up_wcount + 1'b1;
end else if (up_wreq == 1'b1) begin
end else if (up_wreq_int == 1'b1) begin
up_wcount <= 5'h10;
end
end
@ -160,29 +174,34 @@ module up_axi #(
// read channel interface
assign up_axi_arready = up_axi_arready_int;
assign up_axi_rvalid = up_axi_rvalid_int;
assign up_axi_rdata = up_axi_rdata_int;
assign up_axi_rresp = 2'd0;
always @(negedge up_rstn or posedge up_clk) begin
if (up_rstn == 1'b0) begin
up_axi_arready <= 'd0;
up_axi_rvalid <= 'd0;
up_axi_rdata <= 'd0;
up_axi_arready_int <= 'd0;
up_axi_rvalid_int <= 'd0;
up_axi_rdata_int <= 'd0;
end else begin
if (up_axi_arready == 1'b1) begin
up_axi_arready <= 1'b0;
if (up_axi_arready_int == 1'b1) begin
up_axi_arready_int <= 1'b0;
end else if (up_rack_s == 1'b1) begin
up_axi_arready <= 1'b1;
up_axi_arready_int <= 1'b1;
end
if ((up_axi_rready == 1'b1) && (up_axi_rvalid == 1'b1)) begin
up_axi_rvalid <= 1'b0;
up_axi_rdata <= 32'd0;
if ((up_axi_rready == 1'b1) && (up_axi_rvalid_int == 1'b1)) begin
up_axi_rvalid_int <= 1'b0;
up_axi_rdata_int <= 32'd0;
end else if (up_rack_d == 1'b1) begin
up_axi_rvalid <= 1'b1;
up_axi_rdata <= up_rdata_d;
up_axi_rvalid_int <= 1'b1;
up_axi_rdata_int <= up_rdata_d;
end
end
end
assign up_rreq = up_rreq_int;
assign up_raddr = up_raddr_int;
assign up_rack_s = (up_rcount == 5'h1f) ? 1'b1 : (up_rcount[4] & up_rack);
assign up_rdata_s = (up_rcount == 5'h1f) ? {2{16'hdead}} : up_rdata;
@ -191,28 +210,28 @@ module up_axi #(
up_rack_d <= 'd0;
up_rdata_d <= 'd0;
up_rsel <= 'd0;
up_rreq <= 'd0;
up_raddr <= 'd0;
up_rreq_int <= 'd0;
up_raddr_int <= 'd0;
up_rcount <= 'd0;
end else begin
up_rack_d <= up_rack_s;
up_rdata_d <= up_rdata_s;
if (up_rsel == 1'b1) begin
if ((up_axi_rready == 1'b1) && (up_axi_rvalid == 1'b1)) begin
if ((up_axi_rready == 1'b1) && (up_axi_rvalid_int == 1'b1)) begin
up_rsel <= 1'b0;
end
up_rreq <= 1'b0;
up_raddr <= up_raddr;
up_rreq_int <= 1'b0;
up_raddr_int <= up_raddr_int;
end else begin
up_rsel <= up_axi_arvalid;
up_rreq <= up_axi_arvalid;
up_raddr <= up_axi_araddr[AW+2:2];
up_rreq_int <= up_axi_arvalid;
up_raddr_int <= up_axi_araddr[(ADDRESS_WIDTH+1):2];
end
if (up_rack_s == 1'b1) begin
up_rcount <= 5'h00;
end else if (up_rcount[4] == 1'b1) begin
up_rcount <= up_rcount + 1'b1;
end else if (up_rreq == 1'b1) begin
end else if (up_rreq_int == 1'b1) begin
up_rcount <= 5'h10;
end
end

52
library/common/up_xfer_cntrl.v
View File

@ -41,39 +41,40 @@ module up_xfer_cntrl #(
// up interface
input up_rstn,
input up_clk,
input [DW:0] up_data_cntrl,
output reg up_xfer_done,
input up_rstn,
input up_clk,
input [(DATA_WIDTH-1):0] up_data_cntrl,
output up_xfer_done,
// device interface
input d_rst,
input d_clk,
output reg [DW:0] d_data_cntrl);
localparam DW = DATA_WIDTH - 1;
input d_rst,
input d_clk,
output [(DATA_WIDTH-1):0] d_data_cntrl);
// internal registers
reg up_xfer_state_m1 = 'd0;
reg up_xfer_state_m2 = 'd0;
reg up_xfer_state = 'd0;
reg [ 5:0] up_xfer_count = 'd0;
reg up_xfer_toggle = 'd0;
reg [DW:0] up_xfer_data = 'd0;
reg d_xfer_toggle_m1 = 'd0;
reg d_xfer_toggle_m2 = 'd0;
reg d_xfer_toggle_m3 = 'd0;
reg d_xfer_toggle = 'd0;
reg up_xfer_state_m1 = 'd0;
reg up_xfer_state_m2 = 'd0;
reg up_xfer_state = 'd0;
reg [ 5:0] up_xfer_count = 'd0;
reg up_xfer_done_int = 'd0;
reg up_xfer_toggle = 'd0;
reg [(DATA_WIDTH-1):0] up_xfer_data = 'd0;
reg d_xfer_toggle_m1 = 'd0;
reg d_xfer_toggle_m2 = 'd0;
reg d_xfer_toggle_m3 = 'd0;
reg d_xfer_toggle = 'd0;
reg [(DATA_WIDTH-1):0] d_data_cntrl_int = 'd0;
// internal signals
wire up_xfer_enable_s;
wire d_xfer_toggle_s;
wire up_xfer_enable_s;
wire d_xfer_toggle_s;
// device control transfer
assign up_xfer_done = up_xfer_done_int;
assign up_xfer_enable_s = up_xfer_state ^ up_xfer_toggle;
always @(negedge up_rstn or posedge up_clk) begin
@ -82,7 +83,7 @@ module up_xfer_cntrl #(
up_xfer_state_m2 <= 'd0;
up_xfer_state <= 'd0;
up_xfer_count <= 'd0;
up_xfer_done <= 'd0;
up_xfer_done_int <= 'd0;
up_xfer_toggle <= 'd0;
up_xfer_data <= 'd0;
end else begin
@ -90,7 +91,7 @@ module up_xfer_cntrl #(
up_xfer_state_m2 <= up_xfer_state_m1;
up_xfer_state <= up_xfer_state_m2;
up_xfer_count <= up_xfer_count + 1'd1;
up_xfer_done <= (up_xfer_count == 6'd1) ? ~up_xfer_enable_s : 1'b0;
up_xfer_done_int <= (up_xfer_count == 6'd1) ? ~up_xfer_enable_s : 1'b0;
if ((up_xfer_count == 6'd1) && (up_xfer_enable_s == 1'b0)) begin
up_xfer_toggle <= ~up_xfer_toggle;
up_xfer_data <= up_data_cntrl;
@ -98,6 +99,7 @@ module up_xfer_cntrl #(
end
end
assign d_data_cntrl = d_data_cntrl_int;
assign d_xfer_toggle_s = d_xfer_toggle_m3 ^ d_xfer_toggle_m2;
always @(posedge d_clk or posedge d_rst) begin
@ -106,14 +108,14 @@ module up_xfer_cntrl #(
d_xfer_toggle_m2 <= 'd0;
d_xfer_toggle_m3 <= 'd0;
d_xfer_toggle <= 'd0;
d_data_cntrl <= 'd0;
d_data_cntrl_int <= 'd0;
end else begin
d_xfer_toggle_m1 <= up_xfer_toggle;
d_xfer_toggle_m2 <= d_xfer_toggle_m1;
d_xfer_toggle_m3 <= d_xfer_toggle_m2;
d_xfer_toggle <= d_xfer_toggle_m3;
if (d_xfer_toggle_s == 1'b1) begin
d_data_cntrl <= up_xfer_data;
d_data_cntrl_int <= up_xfer_data;
end
end
end

46
library/common/up_xfer_status.v
View File

@ -41,36 +41,35 @@ module up_xfer_status #(
// up interface
input up_rstn,
input up_clk,
output reg [DW:0] up_data_status,
input up_rstn,
input up_clk,
output [(DATA_WIDTH-1):0] up_data_status,
// device interface
input d_rst,
input d_clk,
input [DW:0] d_data_status);
localparam DW = DATA_WIDTH - 1;
input d_rst,
input d_clk,
input [(DATA_WIDTH-1):0] d_data_status);
// internal registers
reg d_xfer_state_m1 = 'd0;
reg d_xfer_state_m2 = 'd0;
reg d_xfer_state = 'd0;
reg [ 5:0] d_xfer_count = 'd0;
reg d_xfer_toggle = 'd0;
reg [DW:0] d_xfer_data = 'd0;
reg [DW:0] d_acc_data = 'd0;
reg up_xfer_toggle_m1 = 'd0;
reg up_xfer_toggle_m2 = 'd0;
reg up_xfer_toggle_m3 = 'd0;
reg up_xfer_toggle = 'd0;
reg d_xfer_state_m1 = 'd0;
reg d_xfer_state_m2 = 'd0;
reg d_xfer_state = 'd0;
reg [ 5:0] d_xfer_count = 'd0;
reg d_xfer_toggle = 'd0;
reg [(DATA_WIDTH-1):0] d_xfer_data = 'd0;
reg [(DATA_WIDTH-1):0] d_acc_data = 'd0;
reg up_xfer_toggle_m1 = 'd0;
reg up_xfer_toggle_m2 = 'd0;
reg up_xfer_toggle_m3 = 'd0;
reg up_xfer_toggle = 'd0;
reg [(DATA_WIDTH-1):0] up_data_status_int = 'd0;
// internal signals
wire d_xfer_enable_s;
wire up_xfer_toggle_s;
wire d_xfer_enable_s;
wire up_xfer_toggle_s;
// device status transfer
@ -102,6 +101,7 @@ module up_xfer_status #(
end
end
assign up_data_status = up_data_status_int;
assign up_xfer_toggle_s = up_xfer_toggle_m3 ^ up_xfer_toggle_m2;
always @(negedge up_rstn or posedge up_clk) begin
@ -110,14 +110,14 @@ module up_xfer_status #(
up_xfer_toggle_m2 <= 'd0;
up_xfer_toggle_m3 <= 'd0;
up_xfer_toggle <= 'd0;
up_data_status <= 'd0;
up_data_status_int <= 'd0;
end else begin
up_xfer_toggle_m1 <= d_xfer_toggle;
up_xfer_toggle_m2 <= up_xfer_toggle_m1;
up_xfer_toggle_m3 <= up_xfer_toggle_m2;
up_xfer_toggle <= up_xfer_toggle_m3;
if (up_xfer_toggle_s == 1'b1) begin
up_data_status <= d_xfer_data;
up_data_status_int <= d_xfer_data;
end
end
end