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mnt_rkx7: Add SPI SDCard support.

This commit is contained in:
Florent Kermarrec 2021-09-30 18:01:54 +02:00
parent 05f3158311
commit 1858273945
2 changed files with 13 additions and 2 deletions
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8
litex_boards/platforms/mnt_rkx7.py
View File

@ -29,6 +29,14 @@ _io = [
), ),
# SDCard. # SDCard.
("spisdcard", 0,
Subsignal("clk", Pins("C11")),
Subsignal("mosi", Pins("A15"), Misc("PULLUP True")),
Subsignal("cs_n", Pins("B15"), Misc("PULLUP True")),
Subsignal("miso", Pins("A14"), Misc("PULLUP True")),
Misc("SLEW=FAST"),
IOStandard("LVCMOS18"),
),
("sdcard", 0, ("sdcard", 0,
Subsignal("data", Pins("A14 B10 A12 B15"), Misc("PULLUP True")), Subsignal("data", Pins("A14 B10 A12 B15"), Misc("PULLUP True")),
Subsignal("cmd", Pins("A15"), Misc("PULLUP True")), Subsignal("cmd", Pins("A15"), Misc("PULLUP True")),

7
litex_boards/targets/mnt_rkx7.py
View File

@ -90,7 +90,6 @@ class BaseSoC(SoCCore):
if with_etherbone: if with_etherbone:
self.add_etherbone(phy=self.ethphy) self.add_etherbone(phy=self.ethphy)
# I2C -------------------------------------------------------------------------------------- # I2C --------------------------------------------------------------------------------------
self.submodules.i2c = I2CMaster(platform.request("i2c")) self.submodules.i2c = I2CMaster(platform.request("i2c"))
@ -102,7 +101,9 @@ def main():
parser.add_argument("--load", action="store_true", help="Load bitstream") parser.add_argument("--load", action="store_true", help="Load bitstream")
parser.add_argument("--sys-clk-freq", default=125e6, help="System clock frequency (default: 125MHz)") parser.add_argument("--sys-clk-freq", default=125e6, help="System clock frequency (default: 125MHz)")
parser.add_argument("--with-spi-flash", action="store_true", help="Enable SPI Flash (MMAPed)") parser.add_argument("--with-spi-flash", action="store_true", help="Enable SPI Flash (MMAPed)")
parser.add_argument("--with-sdcard", action="store_true", help="Enable SDCard 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")
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")
@ -117,6 +118,8 @@ def main():
with_spi_flash = args.with_spi_flash, with_spi_flash = args.with_spi_flash,
**soc_core_argdict(args) **soc_core_argdict(args)
) )
if args.with_spi_sdcard:
soc.add_spi_sdcard()
if args.with_sdcard: if args.with_sdcard:
soc.add_sdcard() soc.add_sdcard()
builder = Builder(soc, **builder_argdict(args)) builder = Builder(soc, **builder_argdict(args))