zcy
/
pluto_hdl_adi
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

gt_es: support lpm mode - 2/2

main
Rejeesh Kutty 2015-02-12 16:20:43 -05:00
parent 0a8e6f62ef
commit 1e7c9a3924
1 changed files with 8 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
library/common/ad_gt_es.v
View File

@ -79,6 +79,7 @@ module ad_gt_es (
es_start,
es_stop,
es_init,
es_lpm_dfe_n,
es_sdata0,
es_sdata1,
es_sdata2,
@ -224,6 +225,7 @@ module ad_gt_es (
input es_start;
input es_stop;
input es_init;
input es_lpm_dfe_n;
input [15:0] es_sdata0;
input [15:0] es_sdata1;
input [15:0] es_sdata2;
@ -292,6 +294,7 @@ module ad_gt_es (
wire es_dma_ack_s;
wire es_heos_s;
wire es_eos_s;
wire es_ut_s;
wire [ 7:0] es_voffset_2_s;
wire [ 7:0] es_voffset_n_s;
wire [ 7:0] es_voffset_s;
@ -413,6 +416,7 @@ module ad_gt_es (
assign es_heos_s = (es_hoffset == es_hoffset_max) ? es_ut : 1'b0;
assign es_eos_s = (es_voffset == es_voffset_max) ? es_heos_s : 1'b0;
assign es_ut_s = es_ut & ~es_lpm_dfe_n;
assign es_voffset_2_s = ~es_voffset + 1'b1;
assign es_voffset_n_s = {1'b1, es_voffset_2_s[6:0]};
assign es_voffset_s = (es_voffset[7] == 1'b1) ? es_voffset_n_s : es_voffset;
@ -424,12 +428,12 @@ module ad_gt_es (
es_status <= 1'b1;
end
if (es_fsm == ES_FSM_IDLE) begin
es_ut <= 1'b0;
es_ut <= es_lpm_dfe_n;
es_dma_addr_int <= es_start_addr;
es_hoffset <= es_hoffset_min;
es_voffset <= es_voffset_min;
end else if (es_fsm == ES_FSM_UPDATE) begin
es_ut <= ~es_ut;
es_ut <= ~es_ut | es_lpm_dfe_n;
es_dma_addr_int <= es_dma_addr_int + 3'd4;
if (es_heos_s == 1'b1) begin
es_hoffset <= es_hoffset_min;
@ -868,9 +872,9 @@ module ad_gt_es (
es_wr <= 1'b1;
es_addr <= ES_DRP_VOFFSET_ADDR;
if (GTH_GTX_N == 1) begin
es_wdata <= {es_voffset_rdata[15:11], es_voffset_s[7], es_ut, es_voffset_s[6:0], es_voffset_range};
es_wdata <= {es_voffset_rdata[15:11], es_voffset_s[7], es_ut_s, es_voffset_s[6:0], es_voffset_range};
end else begin
es_wdata <= {es_prescale, es_voffset_rdata[10:9], es_ut, es_voffset_s};
es_wdata <= {es_prescale, es_voffset_rdata[10:9], es_ut_s, es_voffset_s};
end
end
ES_FSM_CTRLSTART_READ: begin