hw: Default on VGA with RGB565 (#151)

Author: paulsc96

hw/cheshire_pkg.sv

@@ -631,10 +631,10 @@ package cheshire_pkg;
     LlcOutConnect     : 1,
     LlcOutRegionStart : 'h8000_0000,
     LlcOutRegionEnd   : 64'h1_0000_0000,
-    // VGA: RGB332
-    VgaRedWidth       : 3,
-    VgaGreenWidth     : 3,
-    VgaBlueWidth      : 2,
+    // VGA: RGB565
+    VgaRedWidth       : 5,
+    VgaGreenWidth     : 6,
+    VgaBlueWidth      : 5,
     VgaHCountWidth    : 24, // TODO: Default is 32; is this needed?
     VgaVCountWidth    : 24, // TODO: See above
     VgaBufferDepth    : 16,

target/xilinx/src/cheshire_top_xilinx.sv

@@ -93,9 +93,6 @@ module cheshire_top_xilinx import cheshire_pkg::*; (
     cheshire_cfg_t ret  = DefaultCfg;
     ret.RtcFreq         = 1000000;
     ret.SerialLink      = 0;
-    ret.VgaRedWidth     = 5;
-    ret.VgaGreenWidth   = 6;
-    ret.VgaBlueWidth    = 5;
   `ifdef USE_USB
     ret.Usb = 1;
   `else