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[/] [axi_vga/] [trunk/] [model/] [axi_hp_slave.v] - Blame information for rev 4

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`define read_ready_time  10
`define read_ready_timeX  5
`define write_ready_time 3
//Author: Hugoliu Date:20160904
//The test model for AXI3 slave port
 
module HP_slave(
    S_AXI_ARESETN,
    S_AXI_ACLK,
 
//Slave port    
    S_AXI_HP_araddr,
    S_AXI_HP_arburst,
    S_AXI_HP_arcache,
    S_AXI_HP_arid,
    S_AXI_HP_arlen,
    S_AXI_HP_arlock,
    S_AXI_HP_arprot,
    S_AXI_HP_arqos,
    S_AXI_HP_arready,
    S_AXI_HP_arsize,
    S_AXI_HP_arvalid,
    S_AXI_HP_awaddr,
    S_AXI_HP_awburst,
    S_AXI_HP_awcache,
    S_AXI_HP_awid,
    S_AXI_HP_awlen,
    S_AXI_HP_awlock,
    S_AXI_HP_awprot,
    S_AXI_HP_awqos,
    S_AXI_HP_awready,
    S_AXI_HP_awsize,
    S_AXI_HP_awvalid,
    S_AXI_HP_bid,
    S_AXI_HP_bready,
    S_AXI_HP_bresp,
    S_AXI_HP_bvalid,
    S_AXI_HP_rdata,
    S_AXI_HP_rid,
    S_AXI_HP_rlast,
    S_AXI_HP_rready,
    S_AXI_HP_rresp,
    S_AXI_HP_rvalid,
    S_AXI_HP_wdata,
    S_AXI_HP_wid,
    S_AXI_HP_wlast,
    S_AXI_HP_wready,
    S_AXI_HP_wstrb,
    S_AXI_HP_wvalid,
//Slave port    
    S_AXI_HP1_araddr,
    S_AXI_HP1_arburst,
    S_AXI_HP1_arcache,
    S_AXI_HP1_arid,
    S_AXI_HP1_arlen,
    S_AXI_HP1_arlock,
    S_AXI_HP1_arprot,
    S_AXI_HP1_arqos,
    S_AXI_HP1_arready,
    S_AXI_HP1_arsize,
    S_AXI_HP1_arvalid,
    S_AXI_HP1_awaddr,
    S_AXI_HP1_awburst,
    S_AXI_HP1_awcache,
    S_AXI_HP1_awid,
    S_AXI_HP1_awlen,
    S_AXI_HP1_awlock,
    S_AXI_HP1_awprot,
    S_AXI_HP1_awqos,
    S_AXI_HP1_awready,
    S_AXI_HP1_awsize,
    S_AXI_HP1_awvalid,
    S_AXI_HP1_bid,
    S_AXI_HP1_bready,
    S_AXI_HP1_bresp,
    S_AXI_HP1_bvalid,
    S_AXI_HP1_rdata,
    S_AXI_HP1_rid,
    S_AXI_HP1_rlast,
    S_AXI_HP1_rready,
    S_AXI_HP1_rresp,
    S_AXI_HP1_rvalid,
    S_AXI_HP1_wdata,
    S_AXI_HP1_wid,
    S_AXI_HP1_wlast,
    S_AXI_HP1_wready,
    S_AXI_HP1_wstrb,
    S_AXI_HP1_wvalid
 
 
                 );
//system signal
input     S_AXI_ARESETN,
          S_AXI_ACLK;
 
 
  // Slave Interface Write Address channel Ports
//HP slave port
//write address phase
  input [31:0] S_AXI_HP_awaddr;
  input [1:0]  S_AXI_HP_awburst;
  input [3:0]  S_AXI_HP_awcache;
  input [5:0]  S_AXI_HP_awid;
  input [3:0]  S_AXI_HP_awlen;
  input [1:0]  S_AXI_HP_awlock;
  input [2:0]  S_AXI_HP_awprot;
  input [3:0]  S_AXI_HP_awqos;
  output       S_AXI_HP_awready;
  input [2:0]  S_AXI_HP_awsize;
  input        S_AXI_HP_awvalid;
//write response phase 
  output [5:0] S_AXI_HP_bid;
  input        S_AXI_HP_bready;
  output [1:0] S_AXI_HP_bresp;
  output       S_AXI_HP_bvalid;
  //write data phase
  input [63:0] S_AXI_HP_wdata;
  input [5:0]  S_AXI_HP_wid;
  input        S_AXI_HP_wlast;
  output       S_AXI_HP_wready;
  input [7:0]  S_AXI_HP_wstrb;
  input        S_AXI_HP_wvalid;
 
//read address pahse
  input [31:0] S_AXI_HP_araddr;
  input [1:0]  S_AXI_HP_arburst;
  input [3:0]  S_AXI_HP_arcache;
  input [5:0]  S_AXI_HP_arid;
  input [3:0]  S_AXI_HP_arlen;
  input [1:0]  S_AXI_HP_arlock;
  input [2:0]  S_AXI_HP_arprot;
  input [3:0]  S_AXI_HP_arqos;
  output       S_AXI_HP_arready;
  input [2:0]  S_AXI_HP_arsize;
  input        S_AXI_HP_arvalid;
//read data phase  
  output [63:0]S_AXI_HP_rdata;
  output [5:0] S_AXI_HP_rid;
  output       S_AXI_HP_rlast;
  input        S_AXI_HP_rready;
  output [1:0] S_AXI_HP_rresp;
  output       S_AXI_HP_rvalid;
//////////////////////////////////////////////
//HP1 slave port
//write address phase
  input [31:0] S_AXI_HP1_awaddr;
  input [1:0]  S_AXI_HP1_awburst;
  input [3:0]  S_AXI_HP1_awcache;
  input [5:0]  S_AXI_HP1_awid;
  input [3:0]  S_AXI_HP1_awlen;
  input [1:0]  S_AXI_HP1_awlock;
  input [2:0]  S_AXI_HP1_awprot;
  input [3:0]  S_AXI_HP1_awqos;
  output       S_AXI_HP1_awready;
  input [2:0]  S_AXI_HP1_awsize;
  input        S_AXI_HP1_awvalid;
//write response phase 
  output [5:0] S_AXI_HP1_bid;
  input        S_AXI_HP1_bready;
  output [1:0] S_AXI_HP1_bresp;
  output       S_AXI_HP1_bvalid;
  //write data phase
  input [63:0] S_AXI_HP1_wdata;
  input [5:0]  S_AXI_HP1_wid;
  input        S_AXI_HP1_wlast;
  output       S_AXI_HP1_wready;
  input [7:0]  S_AXI_HP1_wstrb;
  input        S_AXI_HP1_wvalid;
 
//read address pahse
  input [31:0] S_AXI_HP1_araddr;
  input [1:0]  S_AXI_HP1_arburst;
  input [3:0]  S_AXI_HP1_arcache;
  input [5:0]  S_AXI_HP1_arid;
  input [3:0]  S_AXI_HP1_arlen;
  input [1:0]  S_AXI_HP1_arlock;
  input [2:0]  S_AXI_HP1_arprot;
  input [3:0]  S_AXI_HP1_arqos;
  output       S_AXI_HP1_arready;
  input [2:0]  S_AXI_HP1_arsize;
  input        S_AXI_HP1_arvalid;
//read data phase  
  output [63:0]S_AXI_HP1_rdata;
  output [5:0] S_AXI_HP1_rid;
  output       S_AXI_HP1_rlast;
  input        S_AXI_HP1_rready;
  output [1:0] S_AXI_HP1_rresp;
  output       S_AXI_HP1_rvalid;
 
// 
//read phase
wire [1:0] S_AXI_HP_rresp = 2'b0;
reg S_AXI_HP_arready;
wire [63:0]S_AXI_HP_rdata;
wire [5:0] S_AXI_HP_rid;
wire      S_AXI_HP_rlast;
reg       S_AXI_HP_rvalid;
//control
reg [3:0] read_addr_count_w, read_addr_count_r;
reg [3:0] read_data_count;
reg [5:0] space_count;
reg       ready_for_read;
//FIFO keep
reg [31:0] s_axi_araddr[31:0];
reg [5:0] s_axi_arid[15:0];
 
wire [3:0] stop_addr_read_ok2 = (read_addr_count_r - 2);
wire [3:0] stop_addr_read_ok = (read_addr_count_r - 1);
wire stop_addr_read1 = (read_addr_count_w == stop_addr_read_ok2);
wire stop_addr_read = (read_addr_count_w == stop_addr_read_ok);
 
wire read_data_finish = ((read_addr_count_w -1) == read_addr_count_r) & S_AXI_HP_rlast;
wire read_data_go = (space_count == `read_ready_timeX);
reg first_read_addr, first_read_addr_d;
 
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                         S_AXI_HP_arready <= 1'b1;
   else if (stop_addr_read | stop_addr_read1)  S_AXI_HP_arready <= 1'b0;
   else if (S_AXI_HP_arvalid)                  S_AXI_HP_arready <= 1'b1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                             read_addr_count_w <= 0;
   else if (read_data_finish)                      read_addr_count_w <= 0;
   else if (stop_addr_read)                        read_addr_count_w <= read_addr_count_w;
   else if (S_AXI_HP_arvalid & S_AXI_HP_arready)   read_addr_count_w <= read_addr_count_w + 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                             read_addr_count_r <= 0;
   else if (read_data_finish & first_read_addr)    read_addr_count_r <= 0; //read_addr_count_r;
   else if (S_AXI_HP_rlast)                        read_addr_count_r <= read_addr_count_r + 1;
end
always @(posedge S_AXI_ACLK) begin
   if (S_AXI_HP_arready & S_AXI_HP_arvalid)  begin
          s_axi_araddr[read_addr_count_w] <= S_AXI_HP_araddr;
          s_axi_arid[read_addr_count_w]   <= S_AXI_HP_arid;
   end
end
//
 
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              first_read_addr <= 0;
   else if (read_data_finish)                       first_read_addr <= 0;
   else if (S_AXI_HP_arvalid & S_AXI_HP_arready)    first_read_addr <= 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)   first_read_addr_d <= 0;
   else                  first_read_addr_d <= first_read_addr;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              ready_for_read <= 0;
   else if (space_count == `read_ready_timeX)       ready_for_read <= 0;
   else if (first_read_addr & !first_read_addr_d)   ready_for_read <= 1;
   else if (S_AXI_HP_rlast)                         ready_for_read <= 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              space_count <= 0;
   else if (ready_for_read)                         space_count <= space_count + 1;
   else                                             space_count <= 0;
end
//
wire read_data_ok = S_AXI_HP_rvalid & S_AXI_HP_rready;
assign S_AXI_HP_rlast = (read_data_count == S_AXI_HP_arlen) & read_data_ok;
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              S_AXI_HP_rvalid <= 0;
   else if (S_AXI_HP_rlast | read_data_finish)      S_AXI_HP_rvalid <= 0;
   else if (read_data_go)                           S_AXI_HP_rvalid <= 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              read_data_count <= 0;
   else if (S_AXI_HP_rlast)                         read_data_count <= 0;
   else if (read_data_ok)                           read_data_count <= read_data_count + 1;
end
//
assign S_AXI_HP_rid = s_axi_arid[read_addr_count_r];
wire [31:0] tmp_read_addr = s_axi_araddr[read_addr_count_r];
//////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////
// write phase
///////////////////////////////////////////////////////////////////////////////////////////////
//write address phase
  wire  [31:0] S_AXI_HP_awaddr;
  wire  [1:0]  S_AXI_HP_awburst;
  wire  [3:0]  S_AXI_HP_awcache;
  wire  [5:0]  S_AXI_HP_awid;
  wire  [3:0]  S_AXI_HP_awlen;
  wire  [1:0]  S_AXI_HP_awlock;
  wire  [2:0]  S_AXI_HP_awprot;
  wire  [3:0]  S_AXI_HP_awqos;
  reg          S_AXI_HP_awready;
  wire  [2:0]  S_AXI_HP_awsize;
  wire         S_AXI_HP_awvalid;
//write response phase 
  wire  [5:0]  S_AXI_HP_bid;
  wire         S_AXI_HP_bready;
  wire   [1:0] S_AXI_HP_bresp = 2'b0;
  reg          S_AXI_HP_bvalid;
  //write data phase
  wire  [63:0] S_AXI_HP_wdata;
  wire  [5:0]  S_AXI_HP_wid;
  wire         S_AXI_HP_wlast;
  reg          S_AXI_HP_wready;
  wire  [7:0]  S_AXI_HP_wstrb;
  wire         S_AXI_HP_wvalid;
 
//////////////////////////////////////////////////////
//control
reg [3:0] write_addr_count_w, write_addr_count_r;
reg [3:0] write_data_count;
reg [5:0] w_space_count;
reg       ready_for_write;
//FIFO keep
reg [31:0] s_axi_awaddr[31:0];
reg [5:0]  s_axi_awid[15:0];
 
wire [3:0] stop_addr_write_ok2 = (write_addr_count_r - 2);
wire [3:0] stop_addr_write_ok = (write_addr_count_r - 1);
wire stop_addr_write1 = (write_addr_count_w == stop_addr_write_ok2);
wire stop_addr_write  = (write_addr_count_w == stop_addr_write_ok);
 
wire write_data_finish = ((write_addr_count_w) == write_addr_count_r) & (write_addr_count_w != 0);
wire write_data_go     = (w_space_count == `write_ready_time);
reg  first_write_addr, first_write_addr_d;
 
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              S_AXI_HP_awready <= 1'b1;
   else if (stop_addr_write | stop_addr_write1)     S_AXI_HP_awready <= 1'b0;
   else if (S_AXI_HP_awvalid)                       S_AXI_HP_awready <= 1'b1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              write_addr_count_w <= 0;
   else if (stop_addr_write)                        write_addr_count_w <= write_addr_count_w;
   else if (S_AXI_HP_awvalid & S_AXI_HP_awready)    write_addr_count_w <= write_addr_count_w + 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              write_addr_count_r <= 0;
   else if (write_data_finish & first_write_addr)   write_addr_count_r <= write_addr_count_r;
   else if (S_AXI_HP_wlast)                         write_addr_count_r <= write_addr_count_r + 1;
end
always @(posedge S_AXI_ACLK) begin
   if (S_AXI_HP_awready & S_AXI_HP_awvalid)  begin
          s_axi_awaddr[write_addr_count_w] <= S_AXI_HP_awaddr;
          s_axi_awid[write_addr_count_w]   <= S_AXI_HP_awid;
   end
end
//
 
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              first_write_addr <= 0;
   else if (write_data_finish)                      first_write_addr <= 0;
   else if (S_AXI_HP_awvalid & S_AXI_HP_awready)    first_write_addr <= 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)   first_write_addr_d <= 0;
   else                  first_write_addr_d <= first_write_addr;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                               ready_for_write <= 0;
   else if (w_space_count == `write_ready_time)      ready_for_write <= 0;
   else if (first_write_addr & !first_write_addr_d)  ready_for_write <= 1;
   else if (S_AXI_HP_bvalid)                         ready_for_write <= 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              w_space_count <= 0;
   else if (ready_for_write)                        w_space_count <= w_space_count + 1;
   else                                             w_space_count <= 0;
end
//
reg [2:0] write_data_resp;
wire write_data_ok = S_AXI_HP_wvalid & S_AXI_HP_wready;
//assign S_AXI_HP_bvalid = (write_data_count == S_AXI_HP_awlen) & (write_data_resp == 3'h7);
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              S_AXI_HP_bvalid <= 0;
   else                                             S_AXI_HP_bvalid <= S_AXI_HP_wlast;
end
 
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              S_AXI_HP_wready <= 0;
   else if (S_AXI_HP_bvalid | write_data_finish)    S_AXI_HP_wready <= 0;
   else if (write_data_go)                          S_AXI_HP_wready <= 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              write_data_count <= 0;
   else if (S_AXI_HP_wlast)                         write_data_count <= 0;
   else if (write_data_ok)                          write_data_count <= write_data_count + 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              write_data_resp <= 0;
   else if (write_data_finish)                      write_data_resp <= 0;
   else if (S_AXI_HP_wlast )                        write_data_resp <= write_data_resp + 1;
//   else                                             write_data_resp <= 0;
end
assign S_AXI_HP_bid = s_axi_awid[write_addr_count_r];
wire [31:0] tmp_write_addr = s_axi_awaddr[write_addr_count_r];
////////////////////////////////////////////////////////////////////////////////////////////
///HP1
////////////////////////////////////////////////////////////////////////////////////////////
//read phase
wire [1:0] S_AXI_HP1_rresp = 2'b0;
reg        S_AXI_HP1_arready;
wire [63:0]S_AXI_HP1_rdata;
wire [5:0] S_AXI_HP1_rid;
wire       S_AXI_HP1_rlast;
reg        S_AXI_HP1_rvalid;
//control
reg [3:0] read1_addr_count_w, read1_addr_count_r;
reg [3:0] read1_data_count;
reg [5:0] space1_count;
reg       ready1_for_read;
//FIFO keep
reg [31:0] s_axi1_araddr[31:0];
reg [5:0] s_axi1_arid[15:0];
 
wire [3:0] stop1_addr_read_ok2 = (read1_addr_count_r - 2);
wire [3:0] stop1_addr_read_ok  = (read1_addr_count_r - 1);
wire stop1_addr_read1          = (read1_addr_count_w == stop1_addr_read_ok2);
wire stop1_addr_read           = (read1_addr_count_w == stop1_addr_read_ok);
 
//wire read1_data_finish = ((read1_addr_count_w -1) == read1_addr_count_r);
wire read1_data_finish = ((read1_addr_count_w ) == read1_addr_count_r);
wire read1_data_go     = (space1_count == `read_ready_time);
reg first1_read_addr, first1_read_addr_d;
 
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              S_AXI_HP1_arready <= 1'b1;
   else if (stop1_addr_read | stop1_addr_read1)     S_AXI_HP1_arready <= 1'b0;
   else if (S_AXI_HP1_arvalid)                      S_AXI_HP1_arready <= 1'b1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              read1_addr_count_w <= 0;
   else if (stop1_addr_read)                        read1_addr_count_w <= read1_addr_count_w;
   else if (S_AXI_HP1_arvalid & S_AXI_HP1_arready)  read1_addr_count_w <= read1_addr_count_w + 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                            read1_addr_count_r <= 0;
   else if (read1_data_finish & first1_read_addr) read1_addr_count_r <= read1_addr_count_r;
   else if (S_AXI_HP1_rlast)                      read1_addr_count_r <= read1_addr_count_r + 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)  begin
          s_axi1_araddr[0] <= 0;
          s_axi1_arid[0]   <= 0;
   end else if (S_AXI_HP1_arready & S_AXI_HP1_arvalid)  begin
          s_axi1_araddr[read1_addr_count_w] <= S_AXI_HP1_araddr;
          s_axi1_arid[read1_addr_count_w]   <= S_AXI_HP1_arid;
   end
end
//
 
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                               first1_read_addr <= 0;
   else if (read1_data_finish)                       first1_read_addr <= 0;
   else if (S_AXI_HP1_arvalid & S_AXI_HP1_arready)   first1_read_addr <= 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)   first1_read_addr_d <= 0;
   else                  first1_read_addr_d <= first1_read_addr;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                               ready1_for_read <= 0;
   else if (space1_count == `read_ready_time)        ready1_for_read <= 0;
   else if (first1_read_addr & !first1_read_addr_d)  ready1_for_read <= 1;
   else if (S_AXI_HP1_rlast)                         ready1_for_read <= 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                           space1_count <= 0;
   else if (ready1_for_read)                     space1_count <= space1_count + 1;
   else                                          space1_count <= 0;
end
//
wire read1_data_ok = S_AXI_HP1_rvalid & S_AXI_HP1_rready;
assign S_AXI_HP1_rlast = (read1_data_count == S_AXI_HP1_arlen) & read1_data_ok;
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              S_AXI_HP1_rvalid <= 0;
   else if (S_AXI_HP1_rlast | read1_data_finish)    S_AXI_HP1_rvalid <= 0;
   else if (read1_data_go)                          S_AXI_HP1_rvalid <= 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                            read1_data_count <= 0;
   else if (S_AXI_HP1_rlast)                      read1_data_count <= 0;
   else if (read1_data_ok)                        read1_data_count <= read1_data_count + 1;
end
//
assign S_AXI_HP1_rid = s_axi1_arid[read1_addr_count_r];
wire [31:0] tmp1_read_addr = s_axi1_araddr[read1_addr_count_r];
//////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////
// write phase
///////////////////////////////////////////////////////////////////////////////////////////////
//write address phase
  wire  [31:0] S_AXI_HP1_awaddr;
  wire  [1:0]  S_AXI_HP1_awburst;
  wire  [3:0]  S_AXI_HP1_awcache;
  wire  [5:0]  S_AXI_HP1_awid;
  wire  [3:0]  S_AXI_HP1_awlen;
  wire  [1:0]  S_AXI_HP1_awlock;
  wire  [2:0]  S_AXI_HP1_awprot;
  wire  [3:0]  S_AXI_HP1_awqos;
  reg          S_AXI_HP1_awready;
  wire  [2:0]  S_AXI_HP1_awsize;
  wire         S_AXI_HP1_awvalid;
//write response phase 
  wire  [5:0]  S_AXI_HP1_bid;
  wire         S_AXI_HP1_bready;
  wire   [1:0] S_AXI_HP1_bresp = 2'b0;
  reg          S_AXI_HP1_bvalid;
  //write data phase   
  wire  [63:0] S_AXI_HP1_wdata;
  wire  [5:0]  S_AXI_HP1_wid;
  wire         S_AXI_HP1_wlast;
  reg          S_AXI_HP1_wready;
  wire  [7:0]  S_AXI_HP1_wstrb;
  wire         S_AXI_HP1_wvalid;
//////////////////////////////////////////////////////
//control
reg [3:0] write_addr_count1_w, write_addr_count1_r;
reg [3:0] write_data_count1;
reg [5:0] w_space_count1;
reg       ready_for_write1;
//FIFO keep
reg [31:0] s_axi_awaddr1[31:0];
reg [5:0]  s_axi_awid1[15:0];
 
wire [3:0] stop_addr_write1_ok2 = (write_addr_count1_r - 2);
wire [3:0] stop_addr_write1_ok = (write_addr_count1_r - 1);
wire stop_addr_write1_1 = (write_addr_count1_w == stop_addr_write1_ok2);
wire stop_addr_write_1  = (write_addr_count1_w == stop_addr_write1_ok);
 
//wire write_data1_finish = ((write_addr_count1_w -1) == write_addr_count1_r);
wire write_data1_finish = ((write_addr_count1_w) == write_addr_count1_r) & (write_addr_count1_w != 0);
wire write_data1_go     = (w_space_count1 == `write_ready_time);
reg  first1_write_addr, first1_write_addr_d;
 
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              S_AXI_HP1_awready <= 1'b1;
   else if (stop_addr_write_1 | stop_addr_write1_1) S_AXI_HP1_awready <= 1'b0;
   else if (S_AXI_HP1_awvalid)                      S_AXI_HP1_awready <= 1'b1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                                write_addr_count1_w <= 0;
   else if (stop_addr_write_1)                        write_addr_count1_w <= write_addr_count1_w;
   else if (S_AXI_HP1_awvalid & S_AXI_HP1_awready)    write_addr_count1_w <= write_addr_count1_w + 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              write_addr_count1_r <= 0;
   else if (write_data1_finish & first1_write_addr) write_addr_count1_r <= write_addr_count1_r;
   else if (S_AXI_HP1_wlast & S_AXI_HP1_wvalid & S_AXI_HP1_wready) write_addr_count1_r <= write_addr_count1_r + 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN) begin
          s_axi_awaddr1[0] <= 0;
          s_axi_awid1[0]    <= 0;
   end else if (S_AXI_HP1_awready & S_AXI_HP1_awvalid)  begin
          s_axi_awaddr1[write_addr_count1_w] <= S_AXI_HP1_awaddr;
          s_axi_awid1[write_addr_count1_w]    <= S_AXI_HP1_awid;
   end
end
//To check addr and data count
reg [31:0] count_addr, count_data;
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              count_addr <= 0;
   else if (S_AXI_HP1_awvalid & S_AXI_HP1_awready)  count_addr <= count_addr + 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                                             count_data <= 0;
   else if (S_AXI_HP1_wlast & S_AXI_HP1_wvalid & S_AXI_HP1_wready) count_data <= count_data + 1;
end
 
//
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              first1_write_addr <= 0;
   else if (write_data1_finish)                      first1_write_addr <= 0;
   else if (S_AXI_HP1_awvalid & S_AXI_HP1_awready)  first1_write_addr <= 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)   first1_write_addr_d <= 0;
   else                  first1_write_addr_d <= first1_write_addr;
end
 
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                                ready_for_write1 <= 0;
   else if (w_space_count1 == `write_ready_time)      ready_for_write1 <= 0;
   else if (first1_write_addr & !first1_write_addr_d) ready_for_write1 <= 1;
   else if (S_AXI_HP1_bvalid)                         ready_for_write1 <= 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              w_space_count1 <= 0;
   else if (ready_for_write1)                       w_space_count1 <= w_space_count1 + 1;
   else                                             w_space_count1 <= 0;
end
//
reg [2:0] write_data1_resp;
wire write_data1_ok = S_AXI_HP1_wvalid & S_AXI_HP1_wready;
//assign S_AXI_HP_bvalid = (write_data_count == S_AXI_HP_awlen) & (write_data_resp == 3'h7);
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              S_AXI_HP1_bvalid <= 0;
   else                                             S_AXI_HP1_bvalid <= S_AXI_HP1_wlast;
end
 
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                               S_AXI_HP1_wready <= 0;
   else if (S_AXI_HP1_bvalid | write_data1_finish)   S_AXI_HP1_wready <= 0;
   else if (write_data1_go)                          S_AXI_HP1_wready <= 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              write_data_count1 <= 0;
   else if (S_AXI_HP1_wlast)                        write_data_count1 <= 0;
   else if (write_data1_ok)                         write_data_count1 <= write_data_count1 + 1;
end
always @(negedge S_AXI_ARESETN or posedge S_AXI_ACLK) begin
   if (!S_AXI_ARESETN)                              write_data1_resp <= 0;
   else if (write_data1_finish)                     write_data1_resp <= 0;
   else if (S_AXI_HP1_wlast )                       write_data1_resp <= write_data1_resp + 1;
//   else                                             write_data_resp <= 0;
end
assign S_AXI_HP1_bid = s_axi_awid1[write_addr_count1_r];
wire [31:0] tmp_write_addr1 = s_axi_awaddr1[write_addr_count1_r];
 
//
sram U_sram(
     .clk     (S_AXI_ACLK),
     //port0
     .we      (write_data_ok ),
     .a       ({tmp_write_addr[26:3] + write_data_count}),
     .dpra    ({tmp_read_addr[26:3] + read_data_count}),
     .di      (S_AXI_HP_wdata),
     .dpo     (S_AXI_HP_rdata),
     //port1
     .dpra1   ({tmp1_read_addr[26:3] + read1_data_count}),
     .dpo1    (S_AXI_HP1_rdata),
     .a1       ({tmp_write_addr1[26:3] + write_data_count1}),
     .we1      (write_data1_ok ),
     .di1      (S_AXI_HP1_wdata)
     );
 
endmodule
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[/] [axi_vga/] [trunk/] [model/] [axi_hp_slave.v] - Blame information for rev 4

Line No.	Rev	Author	Line
1	3	hugoliu
2			`define read_ready_time 10
3			`define read_ready_timeX 5
4			`define write_ready_time 3
5			`//Author: Hugoliu Date:20160904`
6			`//The test model for AXI3 slave port`
7
8			`module HP_slave(`
9			`S_AXI_ARESETN,`
10			`S_AXI_ACLK,`
11
12			`//Slave port`
13			`S_AXI_HP_araddr,`
14			`S_AXI_HP_arburst,`
15			`S_AXI_HP_arcache,`
16			`S_AXI_HP_arid,`
17			`S_AXI_HP_arlen,`
18			`S_AXI_HP_arlock,`
19			`S_AXI_HP_arprot,`
20			`S_AXI_HP_arqos,`
21			`S_AXI_HP_arready,`
22			`S_AXI_HP_arsize,`
23			`S_AXI_HP_arvalid,`
24			`S_AXI_HP_awaddr,`
25			`S_AXI_HP_awburst,`
26			`S_AXI_HP_awcache,`
27			`S_AXI_HP_awid,`
28			`S_AXI_HP_awlen,`
29			`S_AXI_HP_awlock,`
30			`S_AXI_HP_awprot,`
31			`S_AXI_HP_awqos,`
32			`S_AXI_HP_awready,`
33			`S_AXI_HP_awsize,`
34			`S_AXI_HP_awvalid,`
35			`S_AXI_HP_bid,`
36			`S_AXI_HP_bready,`
37			`S_AXI_HP_bresp,`
38			`S_AXI_HP_bvalid,`
39			`S_AXI_HP_rdata,`
40			`S_AXI_HP_rid,`