X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ships%2FDRAM.ship;h=161928e6d593b8bb7ab0df1dcd23fd0219209410;hb=aee85d3dd0435554e14e03b97f268752843a441f;hp=21f572cb80163f2374feaf7402fb810bd31fb7a0;hpb=caa93dc7618f95e403b52ea834fa1f136d26e43d;p=fleet.git

diff --git a/ships/DRAM.ship b/ships/DRAM.ship
index 21f572c..161928e 100644
--- a/ships/DRAM.ship
+++ b/ships/DRAM.ship
@@ -7,6 +7,19 @@ data  in:    inDataWrite
 
 data  out:   out
 
+percolate up:            ddr1_Clk_pin       1
+percolate up:            ddr1_Clk_n_pin     1
+percolate up:            ddr1_Addr_pin      13
+percolate up:            ddr1_BankAddr_pin  2
+percolate up:            ddr1_CAS_n_pin     1
+percolate up:            ddr1_CE_pin        1
+percolate up:            ddr1_CS_n_pin      1
+percolate up:            ddr1_RAS_n_pin     1
+percolate up:            ddr1_WE_n_pin      1
+percolate up:            ddr1_DM_pin        4
+percolate inout:         ddr1_DQS           4
+percolate inout:         ddr1_DQ            32
+
 == TeX ==============================================================
 
 == Fleeterpreter ====================================================
@@ -15,33 +28,64 @@ data  out:   out
 
 == FPGA ==============================================================
 
-  reg         dram_addr_r;
-  reg         dram_isread;
-  reg         dram_write_data_push;
-  reg         dram_read_data_pop;
-  reg  [`DATAWIDTH:0]  out_d;
-  wire [31:0] dram_addr__;
-
-  assign dram_addr_r_ = dram_addr_r;
-  assign dram_isread_ = dram_isread;
-  assign dram_addr__ = !dram_isread ? inAddrWrite_d[31:0] : inAddrRead_d[31:0];
-  assign dram_addr_  = { dram_addr__[30:6], 1'b0, dram_addr__[5:0] };
-  assign dram_write_data_push_ = dram_write_data_push;
-  assign dram_read_data_pop_ = dram_read_data_pop;
-  assign dram_write_data_ = inDataWrite_d;
-//  assign dram_write_data_ = inDataWrite_d[(`DATAWIDTH-1):0];
+  wire  [31:0]  dram_addr;
+  wire  [31:0]  dram_addr__;
+
+  wire          dram_addr_a;
+  wire  [63:0]  dram_write_data;
+  wire  [63:0]  dram_read_data;
+
+  reg           dram_addr_r;
+  reg           dram_isread;
+
+  assign dram_addr__ = dram_isread ? inAddrRead_d[31:0] : inAddrWrite_d[31:0];
+  assign dram_addr   = { dram_addr__[30:6], 1'b0, dram_addr__[5:0] };
+
+  reg  [`WORDWIDTH:0]  out_d;
   assign out_d_ = out_d;
 
+   ddr_ctrl 
+   #(
+   	.clk_freq( 50000000 ),
+   	.clk_multiply( 12 ),
+   	.clk_divide( 5 ),
+   	.phase_shift( 0 ),
+   	.wait200_init( 26 )
+   ) ddr_ctrl (
+          .ddr_a( ddr1_Addr_pin ),
+          .ddr_clk( ddr1_Clk_pin ),
+          .ddr_clk_n( ddr1_Clk_n_pin ),
+          .ddr_ba( ddr1_BankAddr_pin ),
+          .ddr_dq( ddr1_DQ ),
+          .ddr_dm( ddr1_DM_pin ),
+          .ddr_dqs( ddr1_DQS ),
+          .ddr_cs_n( ddr1_CS_n_pin ),
+          .ddr_ras_n( ddr1_RAS_n_pin ),
+          .ddr_cas_n( ddr1_CAS_n_pin ),
+          .ddr_we_n( ddr1_WE_n_pin ),
+          .ddr_cke( ddr1_CE_pin ),
+   
+          .clk(clk),
+          .reset(rst),
+          .rot(3'b100),
+   
+          .fml_wr(!dram_isread && dram_addr_r),
+          .fml_done(dram_addr_a),
+          .fml_rd( dram_isread && dram_addr_r),
+          .fml_adr(dram_addr),
+          .fml_din(dram_write_data),
+          .fml_dout(dram_read_data),
+          .fml_msk(16'h0)
+   );
+
   always @(posedge clk) begin
 
-    if (!rst) begin
+    if (rst) begin
       `reset
       dram_isread <= 0;
       dram_addr_r <= 0;
-      dram_read_data_pop <= 0;
 
     end else begin
-      `flush
       `cleanup
 
       if (dram_addr_r && !dram_addr_a) begin
@@ -70,6 +114,40 @@ data  out:   out
 
 == Test ========================================================
 #skip
+// expected output
+#expect 10
+
+// ships required in order to run this code
+#ship debug          : Debug
+#ship memory         : DRAM
+
+memory.inAddrWrite:
+  set word=0;
+  deliver;
+  deliver;
+
+memory.inDataWrite:
+  set word=-1;
+  deliver;
+  set word=-1;
+  deliver;
+
+memory.inAddrRead:
+  recv token;
+  set word=0;
+  deliver;
+
+memory.out:
+  collect;
+  collect;
+  send token to memory.inAddrRead;
+  collect;
+  send to debug.in;
+
+debug.in:
+  set ilc=*;
+  recv, deliver;
+
 
 == Constants ========================================================