From a30dd6bb25eea95e9175346f97b00f85a01e17a5 Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Wed, 1 Aug 2018 12:49:27 +0100
Subject: [PATCH] convert sdram to get/put

---
 src/peripherals/sdram/sdr_top.bsv | 132 ++++++++++++++++++------------
 1 file changed, 81 insertions(+), 51 deletions(-)

diff --git a/src/peripherals/sdram/sdr_top.bsv b/src/peripherals/sdram/sdr_top.bsv
index ec1d821..373fc9f 100644
--- a/src/peripherals/sdram/sdr_top.bsv
+++ b/src/peripherals/sdram/sdr_top.bsv
@@ -49,19 +49,20 @@ import FIFOF::*;
 import Clocks::*;
 
 interface Ifc_sdram_out;
-	(*always_enabled,always_ready*)
-    method Action ipad_sdr_din(Bit#(64) pad_sdr_din);
-    method Bit#(9) sdram_sdio_ctrl();
-    method Bit#(64) osdr_dout();
-    method Bit#(8) osdr_den_n();
-    method Bool osdr_cke();
-    method Bool osdr_cs_n();
-    method Bool osdr_ras_n ();
-    method Bool osdr_cas_n ();
-    method Bool osdr_we_n ();
-    method Bit#(8) osdr_dqm ();
-    method Bit#(2) osdr_ba ();
-    method Bit#(13) osdr_addr ();
+	(*always_enabled, always_ready*)
+    interface Put#(Bit#(64)) ipad_sdr_din;
+    interface Get#(Bit#(64)) osdr_dout;
+    interface Get#(Bit#(64)) osdr_den_n;
+    interface Get#(Bit#(1))  osdr_cke;
+    interface Get#(Bit#(1))  osdr_cs_n;
+    interface Get#(Bit#(1))  osdr_ras_n;
+    interface Get#(Bit#(1))  osdr_cas_n;
+    interface Get#(Bit#(1))  osdr_we_n;
+    interface Get#(Bit#(8))  osdr_dqm;
+    interface Get#(Bit#(2))  osdr_ba;
+    interface Get#(Bit#(13)) osdr_addr;
+
+    method Bit#(9) sdram_sdio_ctrl;
     interface Clock sdram_clk;    
 endinterface
 
@@ -759,51 +760,80 @@ module mksdr_axi4_slave#(Clock clk0) (Ifc_sdr_slave);
 
     interface Ifc_sdram_out ifc_sdram_out;
 
-        method Action ipad_sdr_din(Bit#(64) pad_sdr_din);
-            sdr_cntrl.ipad_sdr_din(pad_sdr_din);
-        endmethod
-        method Bit#(9) sdram_sdio_ctrl();
-            return rg_cfg_sdio_ctrl;
-        endmethod
-        method Bit#(64) osdr_dout();
-            return sdr_cntrl.osdr_dout();
-        endmethod
-        method Bit#(8) osdr_den_n();
-            return sdr_cntrl.osdr_den_n();
-        endmethod
-        method Bool osdr_cke();
-            return sdr_cntrl.osdr_cke();
-        endmethod
-
-        method Bool osdr_cs_n();
-            return sdr_cntrl.osdr_cs_n();
-        endmethod
-
-        method Bool osdr_ras_n ();
-            return sdr_cntrl.osdr_ras_n;
-        endmethod
-
-        method Bool osdr_cas_n ();
-            return sdr_cntrl.osdr_cas_n;
-        endmethod
-
-        method Bool osdr_we_n ();
-            return sdr_cntrl.osdr_we_n;
-        endmethod
+        interface ipad_sdr_din = interface Put
+            method Action put(Bit#(64) in) 
+                sdr_cntrl.ipad_sdr_din <= in;
+            endmethod
+        endinterface;
 
-        method Bit#(8) osdr_dqm ();
+        interface osdr_dout = interface Get
+          method ActionValue#(Bit#(64)) get;
+            return sdr_cntrl.osdr_dout();
+          endmethod
+        endinterface;
+
+        interface osdr_den_n = interface Get
+            method ActionValue#(Bit#(64)) get;
+                Bit#(64) temp;
+                for (int i=0; i<8; i=i+1) begin
+                  temp[i*8] = sdr_cntrl.osdr_den_n[i];
+                end
+                return temp;
+            endmethod
+        endinterface;
+
+        interface osdr_cke = interface Get
+          method ActionValue#(Bit#(1)) get;
+            return pack(sdr_cntrl.osdr_cke());
+          endmethod
+        endinterface;
+
+        interface osdr_cs_n = interface Get
+          method ActionValue#(Bit#(1)) get;
+            return pack(sdr_cntrl.osdr_cs_n());
+          endmethod
+        endinterface;
+
+        interface osdr_ras_n = interface Get
+          method ActionValue#(Bit#(1)) get;
+            return pack(sdr_cntrl.osdr_ras_n);
+          endmethod
+        endinterface;
+
+        interface osdr_cas_n = interface Get
+          method ActionValue#(Bit#(1)) get;
+            return pack(sdr_cntrl.osdr_cas_n);
+          endmethod
+        endinterface;
+
+        interface osdr_we_n = interface Get
+          method ActionValue#(Bit#(1)) get;
+            return pack(sdr_cntrl.osdr_we_n);
+          endmethod
+        endinterface;
+
+        interface osdr_dqm = interface Get
+          method ActionValue#(Bit#(8)) get;
             return sdr_cntrl.osdr_dqm;
-        endmethod
+          endmethod
+        endinterface;
 
-        method Bit#(2) osdr_ba ();
+        interface osdr_ba = interface Get
+          method ActionValue#(Bit#(2)) get;
             return sdr_cntrl.osdr_ba;
-        endmethod
+          endmethod
+        endinterface;
 
-        method Bit#(13) osdr_addr ();
+        interface osdr_addr = interface Get
+          method ActionValue#(Bit#(13)) get;
             return sdr_cntrl.osdr_addr;
-        endmethod
-        
+          endmethod
+        endinterface;
+
         interface sdram_clk = clk0;
+        method Bit#(9) sdram_sdio_ctrl();
+            return rg_cfg_sdio_ctrl;
+        endmethod
     endinterface
 
 
-- 
2.30.2