diff --git a/litex_boards/community/targets/de10lite.py b/litex_boards/community/targets/de10lite.py index 365cef2..d54cbc3 100755 --- a/litex_boards/community/targets/de10lite.py +++ b/litex_boards/community/targets/de10lite.py @@ -11,9 +11,12 @@ from litex_boards.platforms import de10lite from litex.soc.integration.soc_sdram import * from litex.soc.integration.builder import * +from litex.soc.integration.soc_core import mem_decoder from litedram.modules import IS42S16320 from litedram.phy import GENSDRPHY +from litevideo.terminal.core import Terminal + # CRG ---------------------------------------------------------------------------------------------- @@ -99,15 +102,44 @@ class BaseSoC(SoCSDRAM): geom_settings = sdram_module.geom_settings, timing_settings = sdram_module.timing_settings) +# VideoSoC ------------------------------------------------------------------------------------------ + +class VideoSoC(BaseSoC): + mem_map = { + "terminal": 0x30000000, + } + mem_map.update(BaseSoC.mem_map) + + def __init__(self, **kwargs): + BaseSoC.__init__(self, **kwargs) + + # create VGA terminal + self.submodules.terminal = terminal = Terminal() + self.add_wb_slave(mem_decoder(self.mem_map["terminal"]), self.terminal.bus) + self.add_memory_region("terminal", self.mem_map["terminal"], 0x10000) + + # connect VGA pins + vga = self.platform.request('vga_out', 0) + self.comb += [ + vga.vsync_n.eq(terminal.vsync), + vga.hsync_n.eq(terminal.hsync), + vga.r.eq(terminal.red[4:8]), + vga.g.eq(terminal.green[4:8]), + vga.b.eq(terminal.blue[4:8]) + ] + # Build -------------------------------------------------------------------------------------------- def main(): parser = argparse.ArgumentParser(description="LiteX SoC on DE10 Lite") builder_args(parser) soc_sdram_args(parser) + parser.add_argument("--with-vga", action="store_true", + help="enable VGA support") args = parser.parse_args() - soc = BaseSoC(**soc_sdram_argdict(args)) + cls = VideoSoC if args.with_vga else BaseSoC + soc = cls(**soc_sdram_argdict(args)) builder = Builder(soc, **builder_argdict(args)) builder.build()