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altera/ad_serdes: Add support for any SERDES factor less than 8

main
AndreiGrozav 2016-10-11 17:02:46 +03:00
parent 52194f0fea
commit d41945f568
2 changed files with 54 additions and 18 deletions
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33
library/altera/common/ad_serdes_in.v
View File

@ -43,6 +43,7 @@ module ad_serdes_in #(
// parameters // parameters
parameter DEVICE_TYPE = 0, parameter DEVICE_TYPE = 0,
parameter SERDES_FACTOR = 8,
parameter DATA_WIDTH = 16) ( parameter DATA_WIDTH = 16) (
// reset and clocks // reset and clocks
@ -83,17 +84,31 @@ module ad_serdes_in #(
// internal signals // internal signals
wire [(DATA_WIDTH-1):0] delay_locked_s; wire [(DATA_WIDTH-1):0] delay_locked_s;
wire [(DATA_WIDTH-1):0] data_out_s[ 7:0];
wire [(DATA_WIDTH-1):0] data_sel_s[ 7:0];
// assignments // assignments
assign up_drdata = 5'd0; assign up_drdata = 5'd0;
assign delay_locked = & delay_locked_s; assign delay_locked = & delay_locked_s;
assign data_s0 = data_sel_s[0];
assign data_s1 = data_sel_s[1];
assign data_s2 = data_sel_s[2];
assign data_s3 = data_sel_s[3];
assign data_s4 = data_sel_s[4];
assign data_s5 = data_sel_s[5];
assign data_s6 = data_sel_s[6];
assign data_s7 = data_sel_s[7];
// instantiations // instantiations
genvar l_inst; genvar l_inst, l_order;
generate generate
for (l_inst = 0; l_inst < DATA_WIDTH; l_inst = l_inst + 1) begin: g_data for (l_inst = 0; l_inst < DATA_WIDTH; l_inst = l_inst + 1) begin: g_data
for (l_order = 0; l_order < SERDES_FACTOR; l_order = l_order + 1) begin: g_order
assign data_sel_s[l_order][l_inst] = data_out_s[8 - SERDES_FACTOR + l_order][l_inst];
end
alt_serdes_in_core i_core ( alt_serdes_in_core i_core (
.clk_export (clk), .clk_export (clk),
.div_clk_export (div_clk), .div_clk_export (div_clk),
@ -101,14 +116,14 @@ module ad_serdes_in #(
.loaden_export (loaden), .loaden_export (loaden),
.locked_export (locked), .locked_export (locked),
.data_in_export (data_in_p[l_inst]), .data_in_export (data_in_p[l_inst]),
.data_s_export ({ data_s0[l_inst], .data_s_export ({data_out_s[0][l_inst],
data_s1[l_inst], data_out_s[1][l_inst],
data_s2[l_inst], data_out_s[2][l_inst],
data_s3[l_inst], data_out_s[3][l_inst],
data_s4[l_inst], data_out_s[4][l_inst],
data_s5[l_inst], data_out_s[5][l_inst],
data_s6[l_inst], data_out_s[6][l_inst],
data_s7[l_inst]}), data_out_s[7][l_inst]}),
.delay_locked_export (delay_locked_s[l_inst])); .delay_locked_export (delay_locked_s[l_inst]));
end end
endgenerate endgenerate

39
library/altera/common/ad_serdes_out.v
View File

@ -41,6 +41,7 @@
module ad_serdes_out #( module ad_serdes_out #(
parameter DEVICE_TYPE = 0, parameter DEVICE_TYPE = 0,
parameter SERDES_FACTOR = 8,
parameter DATA_WIDTH = 16) ( parameter DATA_WIDTH = 16) (
// reset and clocks // reset and clocks
@ -63,29 +64,49 @@ module ad_serdes_out #(
output [(DATA_WIDTH-1):0] data_out_p, output [(DATA_WIDTH-1):0] data_out_p,
output [(DATA_WIDTH-1):0] data_out_n); output [(DATA_WIDTH-1):0] data_out_n);
// internal signals
wire [(DATA_WIDTH-1):0] data_in_s[ 7:0];
wire [(DATA_WIDTH-1):0] data_in_s2[ 7:0];
// defaults // defaults
assign data_out_n = 'd0; assign data_out_n = 'd0;
// instantiations // instantiations
assign data_in_s[0] = data_s0;
assign data_in_s[1] = data_s1;
assign data_in_s[2] = data_s2;
assign data_in_s[3] = data_s3;
assign data_in_s[4] = data_s4;
assign data_in_s[5] = data_s5;
assign data_in_s[6] = data_s6;
assign data_in_s[7] = data_s7;
genvar l_order;
generate
for (l_order = 0; l_order < 8; l_order = l_order + 1) begin: g_order
assign data_in_s2[l_order] = (l_order < 8-SERDES_FACTOR) ? 1'b0 : data_in_s[l_order -8 + SERDES_FACTOR];
end
endgenerate
genvar l_inst; genvar l_inst;
generate generate
for (l_inst = 0; l_inst < DATA_WIDTH; l_inst = l_inst + 1) begin: g_data for (l_inst = 0; l_inst < DATA_WIDTH; l_inst = l_inst + 1) begin: g_data
alt_serdes_out_core i_core ( alt_serdes_out_core i_core (
.clk_export (clk), .clk_export (clk),
.div_clk_export (div_clk), .div_clk_export (div_clk),
.loaden_export (loaden), .loaden_export (loaden),
.data_out_export (data_out_p[l_inst]), .data_out_export (data_out_p[l_inst]),
.data_s_export ({ data_s0[l_inst], .data_s_export ({data_in_s2[0][l_inst],
data_s1[l_inst], data_in_s2[1][l_inst],
data_s2[l_inst], data_in_s2[2][l_inst],
data_s3[l_inst], data_in_s2[3][l_inst],
data_s4[l_inst], data_in_s2[4][l_inst],
data_s5[l_inst], data_in_s2[5][l_inst],
data_s6[l_inst], data_in_s2[6][l_inst],
data_s7[l_inst]})); data_in_s2[7][l_inst]}));
end end
endgenerate endgenerate