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litex_m2_baseboard: Add SDCard support.

This commit is contained in:
Florent Kermarrec 2021-09-16 18:17:34 +02:00
parent 0854a5d234
commit 32a9256f3b
2 changed files with 26 additions and 0 deletions
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19
litex_boards/platforms/litex_m2_baseboard.py
View File

@ -42,6 +42,25 @@ _io = [
Subsignal("tx_data", Pins("P1 P2 N1 N2")), Subsignal("tx_data", Pins("P1 P2 N1 N2")),
IOStandard("LVCMOS25") IOStandard("LVCMOS25")
), ),
# SDCard
("spisdcard", 0,
Subsignal("clk", Pins("P19")),
Subsignal("cs_n", Pins("U19"), Misc("PULLMODE=UP")),
Subsignal("mosi", Pins("T20"), Misc("PULLMODE=UP")),
Subsignal("miso", Pins("N20"), Misc("PULLMODE=UP")),
Misc("SLEWRATE=FAST"),
IOStandard("LVCMOS33"),
),
("sdcard", 0,
Subsignal("clk", Pins("P19")),
Subsignal("cd", Pins("T18"), Misc("PULLMODE=UP")),
Subsignal("cmd", Pins("T20"), Misc("PULLMODE=UP")),
Subsignal("data", Pins("N20 N19 U20 U19"), Misc("PULLMODE=UP")),
Misc("SLEWRATE=FAST"),
IOStandard("LVCMOS33"),
),
] ]
# Connectors --------------------------------------------------------------------------------------- # Connectors ---------------------------------------------------------------------------------------

7
litex_boards/targets/litex_m2_baseboard.py
View File

@ -85,6 +85,9 @@ def main():
ethopts = parser.add_mutually_exclusive_group() ethopts = parser.add_mutually_exclusive_group()
ethopts.add_argument("--with-ethernet", action="store_true", help="Enable Ethernet 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") 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")
builder_args(parser) builder_args(parser)
soc_core_args(parser) soc_core_args(parser)
trellis_args(parser) trellis_args(parser)
@ -96,6 +99,10 @@ def main():
with_etherbone = args.with_etherbone, with_etherbone = args.with_etherbone,
**soc_core_argdict(args) **soc_core_argdict(args)
) )
if args.with_spi_sdcard:
soc.add_spi_sdcard()
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)