DC 同步功能；基于IO的下级从机热插入

2024-05-11 14:57:42 +08:00
parent 451763301d
commit b264f729b4
5 changed files with 213 additions and 17 deletions
--- a/src/main/verilog/do16_top.v
+++ b/src/main/verilog/do16_top.v
@@ -0,0 +1,171 @@
+
+
+module do16_top(
+
+
+  input clock, 
+     
+  input  lvds_up_din_p,
+  input  lvds_up_din_n, 
+  output lvds_up_dout_p,
+  output lvds_up_dout_n,  
+           
+  input  lvds_down_din_p,
+  input  lvds_down_din_n,  
+  output lvds_down_dout_p,
+  output lvds_down_dout_n,
+
+  output isOnline,
+  input  isLast,
+  input  DCIn,
+
+  output        LED_PR,
+  output [15:0] out,
+  input         flt_0,
+  input         flt_1
+
+);
+
+wire resetn = 1'b1;
+
+wire clk_400m;
+wire clk_400m_a;
+wire clk_100m_a;
+wire clk_50m_a;
+wire clk_10m_a;
+
+wire lock_o;
+wire reset_stop;
+wire reset_calib;
+
+reg rst_n;
+reg rstn_d;
+
+
+
+
+
+always@(posedge clk_10m_a) begin
+  rstn_d <= resetn;
+	rst_n <= rstn_d;
+end
+
+Gowin_PLLO Gowin_PLLO(
+  .lock(lock_o), 
+  .clkouta(clk_400m),
+  .clkin(clock)
+);
+
+
+
+TLVDS_OBUF lvds_downstream_out(
+  .O(lvds_down_dout_p),
+  .OB(lvds_down_dout_n),
+  .I(lvds_down_dout)
+);
+
+
+TLVDS_IBUF lvds_downstream_in(
+  .O(lvds_down_din),
+  .I(lvds_down_din_p),
+  .IB(lvds_down_din_n)
+);
+
+
+TLVDS_OBUF lvds_upstream_out(
+  .O(lvds_up_dout_p),
+  .OB(lvds_up_dout_n),
+  .I(lvds_up_dout)
+);
+
+
+TLVDS_IBUF lvds_upstream_in(
+  .O(lvds_up_din),
+  .I(lvds_up_din_p),
+  .IB(lvds_up_din_n)
+);
+
+
+DHCEN dhcen_inst2 (
+  .CLKIN(clk_400m),
+  .CE(reset_stop),
+  .CLKOUT(clk_400m_a)
+);
+
+
+//reset sync module, all the IDES/OSER and related CLKDIV MUST be reset by this module
+oser_rst u_oser_rst(
+  .clk_in(clock), // or any other speed comparble with fabric, DO NOT use HCLK as fabric cannot work at so high speed.
+  .rst_n(rst_n),
+  .pll_lock(lock_o), // trigged by PLL Lock
+  .reset_stop(reset_stop), // for DHCEN CE
+  .reset_calib(reset_calib), // for IDES and CLKDIV reset
+  .set_calib(), 
+  .ready()
+);
+
+
+defparam Inst4_CLKDIVC.DIV_MODE="4";
+defparam Inst4_CLKDIVC.GSREN="false";
+CLKDIV Inst4_CLKDIVC(
+  .RESETN (~reset_calib),
+  .HCLKIN (clk_400m_a),
+  .CALIB  (1'b0     ),
+  .CLKOUT (clk_100m_a)
+);
+
+
+defparam Inst2_CLKDIVC.DIV_MODE="2";
+defparam Inst2_CLKDIVC.GSREN="false";
+CLKDIV Inst2_CLKDIVC(
+  .RESETN (~reset_calib),
+  .HCLKIN (clk_100m_a),
+  .CALIB  (1'b0     ),
+  .CLKOUT (clk_50m_a)
+);
+
+
+defparam Inst5_CLKDIVC.DIV_MODE="5";
+defparam Inst5_CLKDIVC.GSREN="false";
+CLKDIV Inst5_CLKDIVC(
+  .RESETN (~reset_calib),
+  .HCLKIN (clk_50m_a),
+  .CALIB  (1'b0     ),
+  .CLKOUT (clk_10m_a)
+);
+
+DOut16 i_dout16(
+  .reset(~rst_n),
+  .clock(clk_10m_a),
+  .io_reset_calib(reset_calib),
+  .io_oser_pclk(clk_10m_a),
+  .io_oser_fclk(clk_50m_a),
+  .io_ides_pclk(clk_100m_a),
+  .io_ides_fclk(clk_400m_a),
+
+  .io_lvds_down_din(lvds_down_din),
+  .io_lvds_down_dout(lvds_down_dout),
+  .io_lvds_up_din(lvds_up_din),
+  .io_lvds_up_dout(lvds_up_dout),
+
+  .io_isOnline(isOnline),
+  .io_isLast(isLast),
+  .io_DCIn(DCIn),
+
+  .param_vendorID(`VENDORID),
+  .param_moduleID(`MODULEID),
+  .param_hwVersion(`HWVERSION),
+  .param_swVersion(`SWVERSION),
+  .param_batchID(`BATCHID),
+  .param_serial(`SERIAL),
+  .LED_PR(LED_PR),
+  .out(out),
+  .flt_0(flt_0),
+  .flt_1(flt_1)
+);
+
+endmodule
+
+
+
+