platform/wavelet3d: implement system dram in simulation

1 files changed, 73 insertions, 6 deletions

diff --git a/platform/wavelet3d/w3d_top.sv b/platform/wavelet3d/w3d_top.sv
index 2b24ec4..32705ef 100644
--- a/platform/wavelet3d/w3d_top.sv
+++ b/platform/wavelet3d/w3d_top.sv
@@ -1,13 +1,46 @@
 module w3d_top
 (
-	input  logic clk,
-	             rst_n,
+	input  logic       clk,
+	                   rst_n,
 
-	input  logic jtag_tck,
-	             jtag_tms,
-	             jtag_tdi,
+	output logic       dram_awvalid,
+	input  logic       dram_awready,
+	output logic[7:0]  dram_awid,
+	output logic[7:0]  dram_awlen,
+	output logic[2:0]  dram_awsize,
+	output logic[1:0]  dram_awburst,
+	output logic[31:0] dram_awaddr,
 
-	output logic jtag_tdo
+	output logic       dram_wvalid,
+	input  logic       dram_wready,
+	output logic[31:0] dram_wdata,
+	output logic       dram_wlast,
+	output logic[3:0]  dram_wstrb,
+
+	input  logic       dram_bvalid,
+	output logic       dram_bready,
+	input  logic[7:0]  dram_bid,
+	input  logic[1:0]  dram_bresp,
+
+	output logic       dram_arvalid,
+	input  logic       dram_arready,
+	output logic[7:0]  dram_arid,
+	output logic[7:0]  dram_arlen,
+	output logic[2:0]  dram_arsize,
+	output logic[1:0]  dram_arburst,
+	output logic[31:0] dram_araddr,
+
+	input  logic       dram_rvalid,
+	output logic       dram_rready,
+	input  logic[7:0]  dram_rid,
+	input  logic[31:0] dram_rdata,
+	input  logic[1:0]  dram_rresp,
+	input  logic       dram_rlast,
+
+	input  logic       jtag_tck,
+	                   jtag_tms,
+	                   jtag_tdi,
+	output logic       jtag_tdo
 );
 
 	if_tap host_jtag();
@@ -16,6 +49,40 @@ module w3d_top
 
 	logic srst_n;
 
+	assign dram_awid = dram.s.awid;
+	assign dram_awlen = dram.s.awlen;
+	assign dram_awaddr = dram.s.awaddr;
+	assign dram_awsize = dram.s.awsize;
+	assign dram_awburst = dram.s.awburst;
+	assign dram_awvalid = dram.s.awvalid;
+	assign dram.s.awready = dram_awready;
+
+	assign dram_wdata = dram.s.wdata;
+	assign dram_wlast = dram.s.wlast;
+	assign dram_wstrb = dram.s.wstrb;
+	assign dram_wvalid = dram.s.wvalid;
+	assign dram.s.wready = dram_wready;
+
+	assign dram_bready = dram.s.bready;
+	assign dram.s.bid = dram_bid;
+	assign dram.s.bresp = dram_bresp;
+	assign dram.s.bvalid = dram_bvalid;
+
+	assign dram_arid = dram.s.arid;
+	assign dram_arlen = dram.s.arlen;
+	assign dram_araddr = dram.s.araddr;
+	assign dram_arsize = dram.s.arsize;
+	assign dram_arburst = dram.s.arburst;
+	assign dram_arvalid = dram.s.arvalid;
+	assign dram.s.arready = dram_arready;
+
+	assign dram_rready = dram.s.rready;
+	assign dram.s.rid = dram_rid;
+	assign dram.s.rdata = dram_rdata;
+	assign dram.s.rlast = dram_rlast;
+	assign dram.s.rresp = dram_rresp;
+	assign dram.s.rvalid = dram_rvalid;
+
 	assign jtag_tdo = host_jtag.m.tdo;
 	assign host_jtag.m.tck = jtag_tck;
 	assign host_jtag.m.tms = jtag_tms;