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ulx3s: Change video resolution to 640x480, framebuffer working with Linux-on-LiteX-Vexriscv.

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This commit is contained in:
Florent Kermarrec 2021-03-29 11:34:52 +02:00
parent 3d43518006
commit 09700b28d0
1 changed files with 6 additions and 5 deletions

11
litex_boards/targets/radiona_ulx3s.py
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@ -77,8 +77,8 @@ class _CRG(Module):
video_pll.register_clkin(clk25, 25e6) video_pll.register_clkin(clk25, 25e6)
self.clock_domains.cd_hdmi = ClockDomain() self.clock_domains.cd_hdmi = ClockDomain()
self.clock_domains.cd_hdmi5x = ClockDomain() self.clock_domains.cd_hdmi5x = ClockDomain()
video_pll.create_clkout(self.cd_hdmi, 40e6, margin=0) video_pll.create_clkout(self.cd_hdmi, 25e6, margin=0)
video_pll.create_clkout(self.cd_hdmi5x, 200e6, margin=0) video_pll.create_clkout(self.cd_hdmi5x, 125e6, margin=0)
# SDRAM clock # SDRAM clock
sdram_clk = ClockSignal("sys2x_ps" if sdram_rate == "1:2" else "sys_ps") sdram_clk = ClockSignal("sys2x_ps" if sdram_rate == "1:2" else "sys_ps")
@ -119,16 +119,17 @@ class BaseSoC(SoCCore):
size = kwargs.get("max_sdram_size", 0x40000000), size = kwargs.get("max_sdram_size", 0x40000000),
l2_cache_size = kwargs.get("l2_size", 8192), l2_cache_size = kwargs.get("l2_size", 8192),
l2_cache_min_data_width = kwargs.get("min_l2_data_width", 128), l2_cache_min_data_width = kwargs.get("min_l2_data_width", 128),
l2_cache_reverse = True l2_cache_reverse = False
) )
# Video ------------------------------------------------------------------------------------ # Video ------------------------------------------------------------------------------------
if with_video_terminal or with_video_framebuffer: if with_video_terminal or with_video_framebuffer:
self.submodules.videophy = VideoECP5HDMIPHY(platform.request("gpdi"), clock_domain="hdmi") self.submodules.videophy = VideoECP5HDMIPHY(platform.request("gpdi"), clock_domain="hdmi")
if with_video_terminal: if with_video_terminal:
self.add_video_terminal(phy=self.videophy, timings="800x600@60Hz", clock_domain="hdmi") self.add_video_terminal(phy=self.videophy, timings="640x480@75Hz", clock_domain="hdmi")
if with_video_framebuffer: if with_video_framebuffer:
self.add_video_framebuffer(phy=self.videophy, timings="800x600@60Hz", clock_domain="hdmi") self.add_video_framebuffer(phy=self.videophy, timings="640x480@75Hz", clock_domain="hdmi")
self.comb += platform.request("ext0p").eq(self.video_framebuffer.underflow) # FIXME: Remove, used to debug SDRAM underflows.
# Leds ------------------------------------------------------------------------------------- # Leds -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser( self.submodules.leds = LedChaser(