From 31347a54ac571ded6177b68e24aa2d0c2f2cab28 Mon Sep 17 00:00:00 2001
From: Wojciech Kosior <kwojtus@protonmail.com>
Date: Tue, 3 Nov 2020 22:01:29 +0100
Subject: incorporate SPI module into main design

---
 models/soc_with_peripherals.v | 111 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 models/soc_with_peripherals.v

(limited to 'models')

diff --git a/models/soc_with_peripherals.v b/models/soc_with_peripherals.v
new file mode 100644
index 0000000..975c002
--- /dev/null
+++ b/models/soc_with_peripherals.v
@@ -0,0 +1,111 @@
+`default_nettype none
+
+`include "messages.vh"
+
+`ifndef SIMULATION
+ `error_SIMULATION_not_defined
+; /* Cause syntax error */
+`endif
+
+module soc_with_peripherals
+  #(
+    parameter FONT_FILE = "../design/font.mem",
+    parameter EMBEDDED_ROM_FILE = "../design/rom.mem",
+    parameter SPI_ROM_WORDS_COUNT = 0,
+    parameter SPI_ROM_FILE = "/dev/zero"
+    )
+   (
+    input wire 	      clock_100mhz,
+
+    input wire 	      button1,
+    input wire 	      button2,
+
+    output wire       led1,
+    output wire       led2,
+
+    output wire [9:0] image_writes
+    );
+
+   wire [17:0] 	      sram_addr;
+   wire [15:0] 	      sram_io;
+   wire 	      sram_cs_n;
+   wire 	      sram_oe_n;
+   wire 	      sram_we_n;
+
+   wire 	      vga_hs;
+   wire 	      vga_vs;
+   wire [2:0] 	      vga_red;
+   wire [2:0] 	      vga_green;
+   wire [2:0] 	      vga_blue;
+
+   wire 	      spi_sdo;
+   wire 	      spi_sdi;
+   wire 	      spi_sck;
+   wire 	      spi_ss_n;
+
+   W25Q16BV_flash
+     #(
+       .BYTES_TO_INITIALIZE(SPI_ROM_WORDS_COUNT * 2),
+       .INITIAL_CONTENTS_FILE(SPI_ROM_FILE)
+       ) flash
+       (
+	.sdo(spi_sdo),
+	.sdi(spi_sdi),
+	.sck(spi_sck),
+	.ss_n(spi_ss_n)
+	);
+
+   VGA_640_480_60Hz vga_display
+     (
+      .horizontal_sync(vga_hs),
+      .vertical_sync(vga_vs),
+
+      .red(vga_red),
+      .green(vga_green),
+      .blue(vga_blue),
+
+      .image_writes(image_writes)
+      );
+
+   K6R4016V1D_TC10_sram sram
+     (
+      .sram_addr(sram_addr),
+      .sram_io(sram_io),
+      .sram_cs_not(sram_cs_n),
+      .sram_oe_not(sram_oe_n),
+      .sram_we_not(sram_we_n)
+      );
+
+   soc
+     #(
+       .FONT_FILE(FONT_FILE),
+       .ROM_FILE(EMBEDDED_ROM_FILE)
+       ) soc
+       (
+	.clock_100mhz(clock_100mhz),
+
+	.sram_addr(sram_addr),
+	.sram_io(sram_io),
+
+	.sram_cs_n(sram_cs_n),
+	.sram_oe_n(sram_oe_n),
+	.sram_we_n(sram_we_n),
+
+	.vga_hs(vga_hs),
+	.vga_vs(vga_vs),
+	.vga_red(vga_red),
+	.vga_green(vga_green),
+	.vga_blue(vga_blue),
+
+	.spi_sdo(spi_sdo),
+	.spi_sdi(spi_sdi),
+	.spi_sck(spi_sck),
+	.spi_ss_n(spi_ss_n),
+
+	.button1(button1),
+	.button2(button2),
+
+	.led1(led1),
+	.led2(led2)
+	);
+endmodule // soc_with_peripherals
-- 
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