move vram to module

5 files changed, 38 insertions, 2 deletions

diff --git a/spartan6/hp_lcd_driver/Makefile.spartan6 b/spartan6/hp_lcd_driver/Makefile.spartan6
index 83a389e..0d0f90e 100644
--- a/spartan6/hp_lcd_driver/Makefile.spartan6
+++ b/spartan6/hp_lcd_driver/Makefile.spartan6
@@ -5,10 +5,10 @@ export XILINXD_LICENSE_FILE
 PART=xc6slx9-2-tqg144
 TOP=hp_lcd_driver
 BUILD=build_spartan6
-VSRCS=synchronizer.vhdl debounce.vhdl edge_det.vhdl input_formatter.vhdl input_stage.vhdl output_formatter.vhdl output_analog.vhdl serdes_n_to_1.vhdl tmds_encoder.vhdl tmds_phy.vhdl tmds_encode.vhdl tmds_output_spartan6.vhdl  output_stage.vhdl clkgen_spartan6.vhdl hp_lcd_driver.vhdl
+VSRCS=synchronizer.vhdl debounce.vhdl edge_det.vhdl input_formatter.vhdl input_stage.vhdl output_formatter.vhdl output_analog.vhdl serdes_n_to_1_spartan6.vhdl tmds_encoder.vhdl tmds_phy_spartan6.vhdl tmds_encode.vhdl tmds_output_spartan6.vhdl  vram_spartan6.vhdl output_stage.vhdl clkgen_spartan6.vhdl hp_lcd_driver.vhdl
 UCF=hp_lcd_driver.ucf
 UT=hp_lcd_driver.ut
-IPSRCS=vram.xco 
+IPSRCS=vram_spartan6_impl.xco 
 DESIGN_NAME=${TOP}
 DS_HOME=/software/apps/xilinx/ISE/14.7/ISE_DS
 ISE_HOME=${DS_HOME}/ISE
diff --git a/spartan6/hp_lcd_driver/serdes_n_to_1.vhdl b/spartan6/hp_lcd_driver/serdes_n_to_1_spartan6.vhdl
index dec3c9a..dec3c9a 100644
--- a/spartan6/hp_lcd_driver/serdes_n_to_1.vhdl
+++ b/spartan6/hp_lcd_driver/serdes_n_to_1_spartan6.vhdl
diff --git a/spartan6/hp_lcd_driver/tmds_phy.vhdl b/spartan6/hp_lcd_driver/tmds_phy_spartan6.vhdl
index 9b31e58..9b31e58 100644
--- a/spartan6/hp_lcd_driver/tmds_phy.vhdl
+++ b/spartan6/hp_lcd_driver/tmds_phy_spartan6.vhdl
diff --git a/spartan6/hp_lcd_driver/vram_spartan6.vhdl b/spartan6/hp_lcd_driver/vram_spartan6.vhdl
new file mode 100644
index 0000000..05a8eae
--- /dev/null
+++ b/spartan6/hp_lcd_driver/vram_spartan6.vhdl
@@ -0,0 +1,36 @@
+LIBRARY ieee;
+USE ieee.std_logic_1164.ALL;
+
+ENTITY vram IS
+  generic (
+	addr_width:natural :=17;
+	video_width:natural :=2
+  );
+  PORT (
+    wr_clk: in std_logic;
+    wr_en : in std_logic;
+    wr_addr : in STD_LOGIC_VECTOR(addr_width-1 downto 0);
+    wr_data : in std_logic_vector(video_width-1 downto 0);
+    rd_clk : in std_logic;
+    rd_addr : in STD_LOGIC_VECTOR(addr_width-1 downto 0);
+    rd_data : out std_logic_vector(video_width-1 downto 0)
+  );
+END vram;
+
+ARCHITECTURE beh OF vram IS
+signal wr_en_v : std_logic_vector(0 downto 0);
+BEGIN
+
+wr_en_v(0)<=wr_en;
+
+vram_impl0: entity work.vram_spartan6_impl 
+	port map (
+		clka => wr_clk,
+		wea => wr_en_v,
+		addra => wr_addr,
+		dina => wr_data,
+		clkb => rd_clk,
+		doutb => rd_data,
+		addrb => rd_addr
+	);
+END beh;
diff --git a/spartan6/hp_lcd_driver/vram.xco b/spartan6/hp_lcd_driver/vram_spartan6_impl.xco
index f4624c4..f4624c4 100644
--- a/spartan6/hp_lcd_driver/vram.xco
+++ b/spartan6/hp_lcd_driver/vram_spartan6_impl.xco