DC 同步功能; 基于IO的下级从机热插入

This commit is contained in:
RuigeLee
2024-05-11 14:57:42 +08:00
parent 451763301d
commit b264f729b4
5 changed files with 213 additions and 17 deletions

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@@ -17,6 +17,11 @@ class BackBoardSlvIO extends Bundle{
val lvds_down_dout = Output(Bool())
val lvds_up_din = Input(Bool())
val lvds_up_dout = Output(Bool())
val isOnline = Output(Bool())
val isLast = Input(Bool())
val DCIn = Input(Bool())
}

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@@ -23,11 +23,13 @@ abstract class BackBoardSlvLocal extends BackBoardSlvBase with BackBoardSlvDown
val statusPR = RegEnable( Cat( downRegTemp(1).extract(0), downRegTemp(0).extract(7) ), 0.U, isCrcPass )
val statusER = RegInit(false.B)
val statusLE = RegInit(false.B)
val statusSync = RegEnable( downRegTemp(1).extract(3).asBool, false.B, isCrcPass )
val statusNone = ~io.isLast
upReg(0) := Cat( statusPR.extract(0), statusRF, statusP, 0.U(1.W), statusPage )
upReg(1) := Cat( statusLE, statusER, statusPR.extract(1) )
upReg(1) := Cat( statusNone, statusSync, statusLE, statusER, statusPR.extract(1) )
when( statusPage === 15.U ){
upReg(2) := 0.U
@@ -63,6 +65,9 @@ abstract class BackBoardSlvLocal extends BackBoardSlvBase with BackBoardSlvDown
val (usCounter, usTrigger) = Counter(Range(0, 10))
io.isOnline := false.B
val isUpdate = (statusSync & ~RegNext(io.DCIn) & io.DCIn) | (~statusSync)
}
@@ -217,16 +222,16 @@ with BackBoardSlvIn16{
inPin := in
when( isCrcPass & downRegTemp(0)(3,0) === 0.U ){
digitalFilter(0) := downRegTemp(4)
digitalFilter(1) := downRegTemp(5)
}
val digitalInSync = for( i <- 0 until 2 ) yield { RegEnable( Cat( digitalIn(i).reverse ), isUpdate ) }
when( statusPage === 0.U ){
upReg(2) := Cat( digitalIn(0).reverse )
upReg(3) := Cat( digitalIn(1).reverse )
upReg(2) := digitalInSync(0)
upReg(3) := digitalInSync(1)
upReg(4) := digitalFilter(0)
upReg(5) := digitalFilter(1)
}
@@ -237,8 +242,7 @@ with BackBoardSlvIn16{
trait BackBoardSlvOut16{ this: BackBoardSlvLocal =>
val outReg = RegInit(0.U(16.W))
val chsWire = Wire( Vec(16, UInt(2.W)) )
val outRegSync = Wire(UInt(16.W))
val mthodReg = RegInit(0.U(16.W))
val valueReg = RegInit(0.U(16.W))
@@ -246,7 +250,7 @@ trait BackBoardSlvOut16{ this: BackBoardSlvLocal =>
val outPin = Wire(UInt(16.W))
outPin :=
Mux(statusPR === 3.U, outReg, (mthodReg & valueReg) | (~mthodReg & outReg))
Mux(statusPR === 3.U, outRegSync, (mthodReg & valueReg) | (~mthodReg & outRegSync))
}
@@ -256,25 +260,31 @@ with BackBoardSlvStatusPR
with BackBoardSlvOut16{
val out = IO(Output(UInt(16.W)))
val flt = IO(Input(Vec(2, Bool())))
val outReg = RegInit(0.U(16.W))
when( isCrcPass & downRegTemp(0)(3,0) === 0.U ){
outReg := Cat(downRegTemp(3), downRegTemp(2))
}
when( isCrcPass & downRegTemp(0)(3,0) === 1.U ){
when( isCrcPass & downRegTemp(0)(3,0) === 1.U & downRegTemp(2).extract(0) ){
mthodReg := Cat(downRegTemp(3), downRegTemp(2))
valueReg := Cat(downRegTemp(5), downRegTemp(4))
}
outRegSync := RegEnable( outReg, 0.U, isUpdate )
when( statusPage === 0.U ){
upReg(4) := Cat( ( 3 to 0 by -1).map{ i => chsWire(i) } )
upReg(5) := Cat( ( 7 to 4 by -1).map{ i => chsWire(i) } )
upReg(6) := Cat( ( 11 to 8 by -1).map{ i => chsWire(i) } )
upReg(7) := Cat( ( 15 to 12 by -1).map{ i => chsWire(i) } )
upReg(2) := outReg(7,0)
upReg(3) := outReg(15,8)
upReg(4) := Cat( ~flt(1), ~flt(0) )
}
for( i <- 0 until 8 ){
chsWire(i) := Mux( flt(0) === true.B, "b00".U, "b01".U)
chsWire(8+i) := Mux( flt(1) === true.B, "b00".U, "b01".U)
when( statusPage === 1.U ){
upReg(2) := RegEnable(downRegTemp(2).extract(0), isCrcPass & downRegTemp(0)(3,0) === 1.U)
upReg(4) := mthodReg(7,0)
upReg(5) := mthodReg(15,8)
upReg(6) := valueReg(7,0)
upReg(7) := valueReg(15,8)
}
out := outPin

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@@ -2,7 +2,6 @@
module di16_top(
input resetn,
input clock,
input lvds_up_din_p,
@@ -15,11 +14,17 @@ module di16_top(
output lvds_down_dout_p,
output lvds_down_dout_n,
output isOnline,
input isLast,
input DCIn,
output LED_PR,
input [15:0] in
);
wire resetn = 1'b1;
wire clk_400m;
wire clk_400m_a;
wire clk_100m_a;
@@ -139,6 +144,10 @@ DIn16 i_din16(
.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),

171
src/main/verilog/do16_top.v Normal file
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@@ -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