Working up until the MMC attachment

fpga/src/main/scala/vcu118/bringup/BringupGPIOs.scala

@@ -0,0 +1,28 @@
+package chipyard.fpga.vcu118.bringup
+
+import scala.collection.mutable.{LinkedHashMap}
+
+object BringupGPIOs {
+    // map of the pin name (akin to die pin name) to (fpga package pin, IOSTANDARD)
+    val pinMapping = LinkedHashMap(
+        // these connect to LEDs and switches on the VCU118 (and use 1.2V)
+        "led0"  -> ("AT32", "LVCMOS12"), // 0
+        "led1"  -> ("AV34", "LVCMOS12"), // 1
+        "led2"  -> ("AY30", "LVCMOS12"), // 2
+        "led3"  -> ("BB32", "LVCMOS12"), // 3
+        "led4"  -> ("BF32", "LVCMOS12"), // 4
+        "led5"  -> ("AU37", "LVCMOS12"), // 5
+        "led6"  -> ("AV36", "LVCMOS12"), // 6
+        "led7"  -> ("BA37", "LVCMOS12"), // 7
+        "sw0"   -> ("B17", "LVCMOS12"), // 8
+        "sw1"   -> ("G16", "LVCMOS12"), // 9
+        "sw2"   -> ("J16", "LVCMOS12"), // 10
+        "sw3"   -> ("D21", "LVCMOS12") // 11
+    )
+
+    // return list of names (ordered)
+    def names: Seq[String] = pinMapping.keys.toSeq
+
+    // return number of GPIOs
+    def width: Int = pinMapping.size
+}