First stab at getting sdram working

2022-12-22 20:25:32 -05:00
parent 772f8ff13f
commit cf9aef64ac
14 changed files with 8487 additions and 392 deletions
--- a/hw/efinix_fpga/addr_decode.sv
+++ b/hw/efinix_fpga/addr_decode.sv
@@ -3,10 +3,12 @@ module addr_decode
    input [15:0] i_addr,

    output o_rom_cs,
-    output o_leds_cs
+    output o_leds_cs,
+    output o_sdram_cs
 );

 assign o_rom_cs = i_addr >= 16'hf000 && i_addr <= 16'hffff;
 assign o_leds_cs = i_addr == 16'hefff;
+assign o_sdram_cs = i_addr < 16'h8000;

 endmodule