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ecpix5: add SDCard. 

Validated with Linux-on-LiteX-VexRiscv.
This commit is contained in:
Florent Kermarrec 2020-07-28 17:45:49 +02:00
parent f0581815f5
commit 5fd3e8dbcd
2 changed files with 14 additions and 0 deletions
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11
litex_boards/platforms/ecpix5.py
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@ -85,6 +85,17 @@ _io = [
Subsignal("tx_data", Pins("D8 C8 B8 A8")), Subsignal("tx_data", Pins("D8 C8 B8 A8")),
IOStandard("LVCMOS33") IOStandard("LVCMOS33")
), ),
# sdcard
("sdcard", 0,
Subsignal("data", Pins("N26 N25 N23 N21"), Misc("PULLMODE=UP")),
Subsignal("cmd", Pins("M24"), Misc("PULLMODE=UP")),
Subsignal("clk", Pins("P24")),
Subsignal("cmd_dir", Pins("M23")),
Subsignal("dat0_dir", Pins("N24")),
Subsignal("dat13_dir", Pins("P26")),
IOStandard("LVCMOS33"),
),
] ]
_connectors = [] _connectors = []

3
litex_boards/targets/ecpix5.py
View File

@ -123,6 +123,7 @@ def main():
parser = argparse.ArgumentParser(description="LiteX SoC on ECPIX-5") parser = argparse.ArgumentParser(description="LiteX SoC on ECPIX-5")
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("--with-sdcard", action="store_true", help="Enable SDCard support")
builder_args(parser) builder_args(parser)
soc_core_args(parser) soc_core_args(parser)
trellis_args(parser) trellis_args(parser)
@ -130,6 +131,8 @@ def main():
args = parser.parse_args() args = parser.parse_args()
soc = BaseSoC(with_ethernet=args.with_ethernet, **soc_core_argdict(args)) soc = BaseSoC(with_ethernet=args.with_ethernet, **soc_core_argdict(args))
if args.with_sdcard:
soc.add_sdcard()
builder = Builder(soc, **builder_argdict(args)) builder = Builder(soc, **builder_argdict(args))
builder.build(**trellis_argdict(args), run=args.build) builder.build(**trellis_argdict(args), run=args.build)