Hardware/litex-boards
1
0
Fork 0
mirror of https://github.com/litex-hub/litex-boards.git synced 2025-01-03 03:43:36 -05:00
Code Issues Projects Releases Packages Wiki Activity

nexys4ddr: Integrate simple VideoFrameBuffer.

Browse source
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
View file

@ -18,7 +18,7 @@ from litex.soc.integration.soc import SoCRegion
from litex.soc.integration.soc_core import *
from litex.soc.integration.soc_sdram 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 litedram.modules import MT47H64M16
@ -55,7 +55,7 @@ class _CRG(Module):
# BaseSoC ------------------------------------------------------------------------------------------
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()
# SoCCore ----------------------------------_-----------------------------------------------
@ -100,6 +100,11 @@ class BaseSoC(SoCCore):
self.submodules.videophy = VideoVGAPHY(platform.request("vga"), 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 -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser(
pads = platform.request_all("user_led"),
@ -110,25 +115,27 @@ class BaseSoC(SoCCore):
def main():
parser = argparse.ArgumentParser(description="LiteX SoC on Nexys4DDR")
parser.add_argument("--build", action="store_true", help="Build 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("--build", action="store_true", help="Build 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)")
ethopts = parser.add_mutually_exclusive_group()
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-ethernet", action="store_true", help="Enable Ethernet support")
ethopts.add_argument("--with-etherbone", action="store_true", help="Enable Etherbone support")
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-sdcard", action="store_true", help="Enable SDCard support")
parser.add_argument("--with-video-terminal", action="store_true", help="Enable Video Terminal (VGA)")
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")
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)
soc_sdram_args(parser)
args = parser.parse_args()
soc = BaseSoC(
sys_clk_freq = int(float(args.sys_clk_freq)),
with_ethernet = args.with_ethernet,
with_etherbone = args.with_etherbone,
with_video_terminal = args.with_video_terminal,
sys_clk_freq = int(float(args.sys_clk_freq)),
with_ethernet = args.with_ethernet,
with_etherbone = args.with_etherbone,
with_video_terminal = args.with_video_terminal,
with_video_framebuffer = args.with_video_framebuffer,
**soc_sdram_argdict(args)
)
if args.with_spi_sdcard: