diff --git a/litex_boards/targets/acorn_cle_215.py b/litex_boards/targets/acorn_cle_215.py index 082e474..7212a54 100755 --- a/litex_boards/targets/acorn_cle_215.py +++ b/litex_boards/targets/acorn_cle_215.py @@ -72,7 +72,7 @@ class CRG(Module): # BaseSoC ----------------------------------------------------------------------------------------- class BaseSoC(SoCCore): - def __init__(self, sys_clk_freq=int(100e6), with_pcie=False, **kwargs): + def __init__(self, sys_clk_freq=int(100e6), with_pcie=False, with_sata=False, **kwargs): platform = acorn_cle_215.Platform() # SoCCore ---------------------------------------------------------------------------------- @@ -110,6 +110,41 @@ class BaseSoC(SoCCore): self.add_csr("pcie_phy") self.add_pcie(phy=self.pcie_phy, ndmas=1) + # SATA ------------------------------------------------------------------------------------- + if with_sata: + from litex.build.generic_platform import Subsignal, Pins + from litesata.phy import LiteSATAPHY + + # IOs + _sata_io = [ + # PCIe 2 SATA Custom Adapter (With PCIe Riser / SATA cable mod). + ("pcie2sata", 0, + Subsignal("tx_p", Pins("B6")), + Subsignal("tx_n", Pins("A6")), + Subsignal("rx_p", Pins("B10")), + Subsignal("rx_n", Pins("A10")), + ), + ] + platform.add_extension(_sata_io) + + # RefClk, Generate 150MHz from PLL. + self.clock_domains.cd_sata_refclk = ClockDomain() + self.crg.pll.create_clkout(self.cd_sata_refclk, 150e6) + sata_refclk = ClockSignal("sata_refclk") + platform.add_platform_command("set_property SEVERITY {{Warning}} [get_drc_checks REQP-49]") + + # PHY + self.submodules.sata_phy = LiteSATAPHY(platform.device, + refclk = sata_refclk, + pads = platform.request("pcie2sata"), + 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 ------------------------------------------------------------------------------------- self.submodules.leds = LedChaser( pads = platform.request_all("user_led"), @@ -127,13 +162,16 @@ def main(): parser.add_argument("--with-pcie", action="store_true", help="Enable PCIe support") parser.add_argument("--driver", action="store_true", help="Generate PCIe driver") parser.add_argument("--with-spi-sdcard", action="store_true", help="Enable SPI-mode SDCard support (requires SDCard adapter on P2)") + parser.add_argument("--with-sata", action="store_true", help="Enable SATA support (over PCIe2SATA)") builder_args(parser) soc_sdram_args(parser) args = parser.parse_args() + assert not (args.with_pcie and args.with_sata) soc = BaseSoC( sys_clk_freq = int(float(args.sys_clk_freq)), with_pcie = args.with_pcie, + with_sata = args.with_sata, **soc_sdram_argdict(args) ) if args.with_spi_sdcard: