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nexys4ddr: Integrate simple VideoFrameBuffer.

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This commit is contained in:
Florent Kermarrec 2021-03-03 20:00:31 +01:00
parent 51a0bbfa65
commit 253d8129af
1 changed files with 21 additions and 14 deletions

35
litex_boards/targets/nexys4ddr.py
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@ -18,7 +18,7 @@ from litex.soc.integration.soc import SoCRegion
from litex.soc.integration.soc_core import * from litex.soc.integration.soc_core import *
from litex.soc.integration.soc_sdram import * from litex.soc.integration.soc_sdram import *
from litex.soc.integration.builder import * from litex.soc.integration.builder import *
from litex.soc.cores.video import VideoVGAPHY from litex.soc.cores.video import VideoVGAPHY, VideoTimingGenerator, VideoFrameBuffer
from litex.soc.cores.led import LedChaser from litex.soc.cores.led import LedChaser
from litedram.modules import MT47H64M16 from litedram.modules import MT47H64M16
@ -55,7 +55,7 @@ class _CRG(Module):
# BaseSoC ------------------------------------------------------------------------------------------ # BaseSoC ------------------------------------------------------------------------------------------
class BaseSoC(SoCCore): class BaseSoC(SoCCore):
def __init__(self, sys_clk_freq=int(75e6), with_ethernet=False, with_etherbone=False, with_video_terminal=False, **kwargs): def __init__(self, sys_clk_freq=int(75e6), with_ethernet=False, with_etherbone=False, with_video_terminal=False, with_video_framebuffer=False, **kwargs):
platform = nexys4ddr.Platform() platform = nexys4ddr.Platform()
# SoCCore ----------------------------------_----------------------------------------------- # SoCCore ----------------------------------_-----------------------------------------------
@ -100,6 +100,11 @@ class BaseSoC(SoCCore):
self.submodules.videophy = VideoVGAPHY(platform.request("vga"), clock_domain="vga") self.submodules.videophy = VideoVGAPHY(platform.request("vga"), clock_domain="vga")
self.add_video_terminal(phy=self.videophy, timings="800x600@60Hz", clock_domain="vga") self.add_video_terminal(phy=self.videophy, timings="800x600@60Hz", clock_domain="vga")
# Video Framebuffer ------------------------------------------------------------------------
if with_video_framebuffer:
self.submodules.videophy = VideoVGAPHY(platform.request("vga"), clock_domain="vga")
self.add_video_framebuffer(phy=self.videophy, timings="800x600@60Hz", clock_domain="vga")
# Leds ------------------------------------------------------------------------------------- # Leds -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser( self.submodules.leds = LedChaser(
pads = platform.request_all("user_led"), pads = platform.request_all("user_led"),
@ -110,25 +115,27 @@ class BaseSoC(SoCCore):
def main(): def main():
parser = argparse.ArgumentParser(description="LiteX SoC on Nexys4DDR") parser = argparse.ArgumentParser(description="LiteX SoC on Nexys4DDR")
parser.add_argument("--build", action="store_true", help="Build bitstream") parser.add_argument("--build", action="store_true", help="Build bitstream")
parser.add_argument("--load", action="store_true", help="Load bitstream") parser.add_argument("--load", action="store_true", help="Load bitstream")
parser.add_argument("--sys-clk-freq", default=75e6, help="System clock frequency (default: 75MHz)") parser.add_argument("--sys-clk-freq", default=75e6, help="System clock frequency (default: 75MHz)")
ethopts = parser.add_mutually_exclusive_group() ethopts = parser.add_mutually_exclusive_group()
ethopts.add_argument("--with-ethernet", action="store_true", help="Enable Ethernet support") ethopts.add_argument("--with-ethernet", action="store_true", help="Enable Ethernet support")
ethopts.add_argument("--with-etherbone", action="store_true", help="Enable Etherbone support") ethopts.add_argument("--with-etherbone", action="store_true", help="Enable Etherbone support")
sdopts = parser.add_mutually_exclusive_group() sdopts = parser.add_mutually_exclusive_group()
sdopts.add_argument("--with-spi-sdcard", action="store_true", help="Enable SPI-mode SDCard support") sdopts.add_argument("--with-spi-sdcard", action="store_true", help="Enable SPI-mode SDCard support")
sdopts.add_argument("--with-sdcard", action="store_true", help="Enable SDCard support") sdopts.add_argument("--with-sdcard", action="store_true", help="Enable SDCard support")
parser.add_argument("--with-video-terminal", action="store_true", help="Enable Video Terminal (VGA)") parser.add_argument("--with-video-terminal", action="store_true", help="Enable Video Terminal (VGA)")
parser.add_argument("--with-video-framebuffer", action="store_true", help="Enable Video Framebuffer (VGA)")
builder_args(parser) builder_args(parser)
soc_sdram_args(parser) soc_sdram_args(parser)
args = parser.parse_args() args = parser.parse_args()
soc = BaseSoC( soc = BaseSoC(
sys_clk_freq = int(float(args.sys_clk_freq)), sys_clk_freq = int(float(args.sys_clk_freq)),
with_ethernet = args.with_ethernet, with_ethernet = args.with_ethernet,
with_etherbone = args.with_etherbone, with_etherbone = args.with_etherbone,
with_video_terminal = args.with_video_terminal, with_video_terminal = args.with_video_terminal,
with_video_framebuffer = args.with_video_framebuffer,
**soc_sdram_argdict(args) **soc_sdram_argdict(args)
) )
if args.with_spi_sdcard: if args.with_spi_sdcard: