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sipeed_tang_primer_20k: Cleanup/Fix.

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This commit is contained in:
Florent Kermarrec 2022-06-03 11:40:10 +02:00
parent 68733c6e92
commit 6e33d9249f
2 changed files with 11 additions and 19 deletions
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10
litex_boards/platforms/sipeed_tang_primer_20k.py
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@ -27,13 +27,13 @@ _io = [
# SPIFlash # SPIFlash
("spiflash", 0, ("spiflash", 0,
Subsignal("cs_n", Pins("M9"), IOStandard("LVCMOS33")), Subsignal("cs_n", Pins("M9"), IOStandard("LVCMOS33")),
Subsignal("clk", Pins("L10"), IOStandard("LVCMOS33")), Subsignal("clk", Pins("L10"), IOStandard("LVCMOS33")),
Subsignal("miso", Pins("P10"), IOStandard("LVCMOS33")), Subsignal("miso", Pins("P10"), IOStandard("LVCMOS33")),
Subsignal("mosi", Pins("R10"), IOStandard("LVCMOS33")), Subsignal("mosi", Pins("R10"), IOStandard("LVCMOS33")),
), ),
## sdcard connector # SDCard
("spisdcard", 0, ("spisdcard", 0,
Subsignal("clk", Pins("N10")), Subsignal("clk", Pins("N10")),
Subsignal("mosi", Pins("R14")), Subsignal("mosi", Pins("R14")),
@ -48,15 +48,11 @@ _io = [
Subsignal("cd", Pins("D15")), Subsignal("cd", Pins("D15")),
IOStandard("LVCMOS33"), IOStandard("LVCMOS33"),
), ),
# TODO: SPI LCD
] ]
# Connectors --------------------------------------------------------------------------------------- # Connectors ---------------------------------------------------------------------------------------
_connectors = [ _connectors = []
# TODO
]
# Platform ----------------------------------------------------------------------------------------- # Platform -----------------------------------------------------------------------------------------

20
litex_boards/targets/sipeed_tang_primer_20k.py
View file

@ -14,9 +14,8 @@ from litex.soc.integration.soc_core import *
from litex.soc.integration.soc import SoCRegion from litex.soc.integration.soc import SoCRegion
from litex.soc.integration.builder import * from litex.soc.integration.builder import *
from litex.soc.cores.led import LedChaser from litex.soc.cores.led import LedChaser
from litex.soc.cores.video import *
from litex_boards.platforms import tang_primer_20k from litex_boards.platforms import sipeed_tang_primer_20k
from litex.soc.cores.hyperbus import HyperRAM from litex.soc.cores.hyperbus import HyperRAM
@ -26,7 +25,7 @@ mB = 1024*kB
# CRG ---------------------------------------------------------------------------------------------- # CRG ----------------------------------------------------------------------------------------------
class _CRG(Module): class _CRG(Module):
def __init__(self, platform, sys_clk_freq, with_video_pll=False): def __init__(self, platform, sys_clk_freq):
self.rst = Signal() self.rst = Signal()
self.clock_domains.cd_sys = ClockDomain() self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_por = ClockDomain() self.clock_domains.cd_por = ClockDomain()
@ -53,16 +52,13 @@ class _CRG(Module):
class BaseSoC(SoCCore): class BaseSoC(SoCCore):
def __init__(self, sys_clk_freq=int(48e6), **kwargs): def __init__(self, sys_clk_freq=int(48e6), **kwargs):
platform = tang_primer_20k.Platform() platform = sipeed_tang_primer_20k.Platform()
# CRG -------------------------------------------------------------------------------------- # CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform, sys_clk_freq) self.submodules.crg = _CRG(platform, sys_clk_freq)
# SoCCore ---------------------------------------------------------------------------------- # SoCCore ----------------------------------------------------------------------------------
SoCCore.__init__(self, platform, sys_clk_freq, SoCCore.__init__(self, platform, sys_clk_freq, ident="LiteX SoC on Tang Primer 20K", **kwargs)
ident = "LiteX SoC on Tang Primer 20K",
**kwargs
)
# Build -------------------------------------------------------------------------------------------- # Build --------------------------------------------------------------------------------------------
@ -70,10 +66,10 @@ def main():
from litex.soc.integration.soc import LiteXSoCArgumentParser from litex.soc.integration.soc import LiteXSoCArgumentParser
parser = LiteXSoCArgumentParser(description="LiteX SoC on Tang Primer 20K") parser = LiteXSoCArgumentParser(description="LiteX SoC on Tang Primer 20K")
target_group = parser.add_argument_group(title="Target options") target_group = parser.add_argument_group(title="Target options")
target_group.add_argument("--build", action="store_true", help="Build bitstream.") target_group.add_argument("--build", action="store_true", help="Build bitstream.")
target_group.add_argument("--load", action="store_true", help="Load bitstream.") target_group.add_argument("--load", action="store_true", help="Load bitstream.")
target_group.add_argument("--flash", action="store_true", help="Flash Bitstream.") target_group.add_argument("--flash", action="store_true", help="Flash Bitstream.")
target_group.add_argument("--sys-clk-freq",default=48e6, help="System clock frequency.") target_group.add_argument("--sys-clk-freq", default=48e6, help="System clock frequency.")
builder_args(parser) builder_args(parser)
soc_core_args(parser) soc_core_args(parser)
args = parser.parse_args() args = parser.parse_args()