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boards/ulx3s: add device selection parameter 

ULX3S can be populated with LFE5U-45F (default) or LFE5U-85F
This commit is contained in:
Florent Kermarrec 2019-03-04 09:40:14 +01:00
parent e6f97e08d2
commit 935f3a5337
2 changed files with 7 additions and 5 deletions
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4
litex/boards/platforms/ulx3s.py
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@ -69,5 +69,5 @@ class Platform(LatticePlatform):
default_clk_name = "clk100" default_clk_name = "clk100"
default_clk_period = 10 default_clk_period = 10
def __init__(self, **kwargs): def __init__(self, device="LFE5U-45F", **kwargs):
LatticePlatform.__init__(self, "LFE5U-45F-6BG381C", _io, **kwargs) LatticePlatform.__init__(self, device + "-6BG381C", _io, **kwargs)

8
litex/boards/targets/ulx3s.py
View File

@ -46,8 +46,7 @@ class _CRG(Module):
# BaseSoC ------------------------------------------------------------------------------------------ # BaseSoC ------------------------------------------------------------------------------------------
class BaseSoC(SoCSDRAM): class BaseSoC(SoCSDRAM):
def __init__(self, toolchain="diamond", **kwargs): def __init__(self, platform, **kwargs):
platform = ulx3s.Platform(toolchain=toolchain)
sys_clk_freq = int(50e6) sys_clk_freq = int(50e6)
SoCSDRAM.__init__(self, platform, clk_freq=sys_clk_freq, SoCSDRAM.__init__(self, platform, clk_freq=sys_clk_freq,
integrated_rom_size=0x8000, integrated_rom_size=0x8000,
@ -68,11 +67,14 @@ def main():
parser = argparse.ArgumentParser(description="LiteX SoC on ULX3S") parser = argparse.ArgumentParser(description="LiteX SoC on ULX3S")
parser.add_argument("--gateware-toolchain", dest="toolchain", default="diamond", parser.add_argument("--gateware-toolchain", dest="toolchain", default="diamond",
help='gateware toolchain to use, diamond (default) or trellis') help='gateware toolchain to use, diamond (default) or trellis')
parser.add_argument("--device", dest="device", default="LFE5U-45F",
help='FPGA device, ULX3S can be populated with LFE5U-45F (default) or LFE5U-85F')
builder_args(parser) builder_args(parser)
soc_sdram_args(parser) soc_sdram_args(parser)
args = parser.parse_args() args = parser.parse_args()
soc = BaseSoC(toolchain=args.toolchain, **soc_sdram_argdict(args)) platform = ulx3s.Platform(device=args.device, toolchain=args.toolchain)
soc = BaseSoC(platform, **soc_sdram_argdict(args))
builder = Builder(soc, **builder_argdict(args)) builder = Builder(soc, **builder_argdict(args))
builder.build() builder.build()