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up_gt: support lpm mode

main
Rejeesh Kutty 2015-02-12 16:21:11 -05:00
parent 1e7c9a3924
commit 870ebdb562
1 changed files with 11 additions and 2 deletions
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13
library/common/up_gt.v
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@ -46,6 +46,7 @@ module up_gt (
gt_pll_rst,
gt_rx_rst,
gt_tx_rst,
up_lpm_dfe_n,
up_cpll_pd,
up_rx_sys_clk_sel,
up_rx_out_clk_sel,
@ -100,6 +101,7 @@ module up_gt (
es_start,
es_stop,
es_init,
es_lpm_dfe_n,
es_prescale,
es_voffset_range,
es_voffset_step,
@ -145,6 +147,7 @@ module up_gt (
output gt_pll_rst;
output gt_rx_rst;
output gt_tx_rst;
output up_lpm_dfe_n;
output up_cpll_pd;
output [ 1:0] up_rx_sys_clk_sel;
output [ 2:0] up_rx_out_clk_sel;
@ -199,6 +202,7 @@ module up_gt (
output es_start;
output es_stop;
output es_init;
output es_lpm_dfe_n;
output [ 4:0] es_prescale;
output [ 1:0] es_voffset_range;
output [ 7:0] es_voffset_step;
@ -238,6 +242,7 @@ module up_gt (
reg up_wack = 'd0;
reg [31:0] up_scratch = 'd0;
reg up_lpm_dfe_n = 'd0;
reg up_cpll_pd = 'd0;
reg up_drp_resetn = 'd0;
reg up_gt_pll_resetn = 'd0;
@ -382,6 +387,7 @@ module up_gt (
if (up_rstn == 0) begin
up_wack <= 'd0;
up_scratch <= 'd0;
up_lpm_dfe_n <= 'd0;
up_cpll_pd <= 'd1;
up_drp_resetn <= 'd0;
up_gt_pll_resetn <= 'd0;
@ -433,6 +439,7 @@ module up_gt (
up_scratch <= up_wdata;
end
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h04)) begin
up_lpm_dfe_n <= up_wdata[1];
up_cpll_pd <= up_wdata[0];
end
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h05)) begin
@ -549,7 +556,7 @@ module up_gt (
8'h00: up_rdata <= PCORE_VERSION;
8'h01: up_rdata <= PCORE_ID;
8'h02: up_rdata <= up_scratch;
8'h04: up_rdata <= {31'd0, up_cpll_pd};
8'h04: up_rdata <= {30'd0, up_lpm_dfe_n, up_cpll_pd};
8'h05: up_rdata <= {30'd0, up_drp_resetn, up_gt_pll_resetn};
8'h08: up_rdata <= {31'd0, up_gt_rx_resetn};
8'h09: up_rdata <= {31'd0, up_rx_resetn};
@ -774,12 +781,13 @@ module up_gt (
// es control & status
up_xfer_cntrl #(.DATA_WIDTH(262)) i_es_xfer_cntrl (
up_xfer_cntrl #(.DATA_WIDTH(263)) i_es_xfer_cntrl (
.up_rstn (up_rstn),
.up_clk (up_clk),
.up_data_cntrl ({ up_es_start,
up_es_stop,
up_es_init,
up_lpm_dfe_n,
up_es_prescale,
up_es_voffset_range,
up_es_voffset_step,
@ -805,6 +813,7 @@ module up_gt (
.d_data_cntrl ({ es_start_s,
es_stop_s,
es_init,
es_lpm_dfe_n,
es_prescale,
es_voffset_range,
es_voffset_step,