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targets/nexys_video: add SATA support.

This commit is contained in:
Florent Kermarrec 2020-11-02 19:43:17 +01:00
parent af96f4e8ab
commit babf638c2b
2 changed files with 36 additions and 5 deletions
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2
litex_boards/targets/kc705.py
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@ -86,7 +86,7 @@ class BaseSoC(SoCCore):
self.add_csr("ethphy") self.add_csr("ethphy")
self.add_ethernet(phy=self.ethphy) self.add_ethernet(phy=self.ethphy)
# SATA (Experimental) ---------------------------------------------------------------------- # SATA -------------------------------------------------------------------------------------
if with_sata: if with_sata:
from litex.build.generic_platform import Subsignal, Pins from litex.build.generic_platform import Subsignal, Pins
from litesata.phy import LiteSATAPHY from litesata.phy import LiteSATAPHY

39
litex_boards/targets/nexys_video.py
View File

@ -50,7 +50,7 @@ class _CRG(Module):
# BaseSoC ------------------------------------------------------------------------------------------ # BaseSoC ------------------------------------------------------------------------------------------
class BaseSoC(SoCCore): class BaseSoC(SoCCore):
def __init__(self, sys_clk_freq=int(100e6), with_ethernet=False, **kwargs): def __init__(self, sys_clk_freq=int(100e6), with_ethernet=False, with_sata=False, **kwargs):
platform = nexys_video.Platform() platform = nexys_video.Platform()
# SoCCore ---------------------------------------------------------------------------------- # SoCCore ----------------------------------------------------------------------------------
@ -87,6 +87,36 @@ class BaseSoC(SoCCore):
self.add_csr("ethphy") self.add_csr("ethphy")
self.add_ethernet(phy=self.ethphy) self.add_ethernet(phy=self.ethphy)
# SATA -------------------------------------------------------------------------------------
if with_sata:
from litex.build.generic_platform import Subsignal, Pins
from litesata.phy import LiteSATAPHY
# IOs
_sata_io = [
# AB09-FMCRAID / https://www.dgway.com/AB09-FMCRAID_E.html
("fmc2sata", 0,
Subsignal("clk_p", Pins("LPC:GBTCLK0_M2C_P")),
Subsignal("clk_n", Pins("LPC:GBTCLK0_M2C_N")),
Subsignal("tx_p", Pins("LPC:DP0_C2M_P")),
Subsignal("tx_n", Pins("LPC:DP0_C2M_N")),
Subsignal("rx_p", Pins("LPC:DP0_M2C_P")),
Subsignal("rx_n", Pins("LPC:DP0_M2C_N"))
),
]
platform.add_extension(_sata_io)
# PHY
self.submodules.sata_phy = LiteSATAPHY(platform.device,
pads = platform.request("fmc2sata"),
gen = "gen2",
clk_freq = sys_clk_freq,
data_width = 16)
self.add_csr("sata_phy")
# Core
self.add_sata(phy=self.sata_phy, mode="read+write")
# Leds ------------------------------------------------------------------------------------- # Leds -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser( self.submodules.leds = LedChaser(
pads = platform.request_all("user_led"), pads = platform.request_all("user_led"),
@ -101,12 +131,13 @@ def main():
parser.add_argument("--load", action="store_true", help="Load bitstream") parser.add_argument("--load", action="store_true", help="Load bitstream")
builder_args(parser) builder_args(parser)
soc_sdram_args(parser) soc_sdram_args(parser)
parser.add_argument("--with-ethernet", action="store_true", help="Enable Ethernet support") parser.add_argument("--with-ethernet", action="store_true", help="Enable Ethernet support")
parser.add_argument("--with-spi-sdcard", action="store_true", help="Enable SPI-mode SDCard support") parser.add_argument("--with-spi-sdcard", action="store_true", help="Enable SPI-mode SDCard support")
parser.add_argument("--with-sdcard", action="store_true", help="Enable SDCard support") parser.add_argument("--with-sdcard", action="store_true", help="Enable SDCard support")
parser.add_argument("--with-sata", action="store_true", help="Enable SATA support (over FMCRAID)")
args = parser.parse_args() args = parser.parse_args()
soc = BaseSoC(with_ethernet=args.with_ethernet, **soc_sdram_argdict(args)) soc = BaseSoC(with_ethernet=args.with_ethernet, with_sata=args.with_sata, **soc_sdram_argdict(args))
assert not (args.with_spi_sdcard and args.with_sdcard) assert not (args.with_spi_sdcard and args.with_sdcard)
if args.with_spi_sdcard: if args.with_spi_sdcard:
soc.add_spi_sdcard() soc.add_spi_sdcard()