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ecpix5: Add Etherbone (--with-etherbone).

This commit is contained in:
Florent Kermarrec 2021-03-08 13:43:50 +01:00
parent 6139bd7eba
commit 9cdcb8cb43
1 changed files with 21 additions and 14 deletions
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35
litex_boards/targets/ecpix5.py
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@ -78,7 +78,7 @@ class _CRG(Module):
# BaseSoC ------------------------------------------------------------------------------------------ # BaseSoC ------------------------------------------------------------------------------------------
class BaseSoC(SoCCore): class BaseSoC(SoCCore):
def __init__(self, device="85F", sys_clk_freq=int(75e6), with_ethernet=False, **kwargs): def __init__(self, device="85F", sys_clk_freq=int(75e6), with_ethernet=False, with_etherbone=False, **kwargs):
platform = ecpix5.Platform(device=device, toolchain="trellis") platform = ecpix5.Platform(device=device, toolchain="trellis")
# SoCCore ---------------------------------------------------------------------------------- # SoCCore ----------------------------------------------------------------------------------
@ -108,14 +108,17 @@ class BaseSoC(SoCCore):
l2_cache_reverse = True l2_cache_reverse = True
) )
# Ethernet --------------------------------------------------------------------------------- # Ethernet / Etherbone ---------------------------------------------------------------------
if with_ethernet: if with_ethernet or with_etherbone:
self.submodules.ethphy = LiteEthPHYRGMII( self.submodules.ethphy = LiteEthPHYRGMII(
clock_pads = self.platform.request("eth_clocks"), clock_pads = self.platform.request("eth_clocks"),
pads = self.platform.request("eth"), pads = self.platform.request("eth"),
rx_delay = 0e-9) rx_delay = 0e-9)
self.add_csr("ethphy") self.add_csr("ethphy")
self.add_ethernet(phy=self.ethphy) if with_ethernet:
self.add_ethernet(phy=self.ethphy)
if with_etherbone:
self.add_etherbone(phy=self.ethphy)
# Leds ------------------------------------------------------------------------------------- # Leds -------------------------------------------------------------------------------------
leds_pads = [] leds_pads = []
@ -132,22 +135,26 @@ class BaseSoC(SoCCore):
def main(): 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("--flash", action="store_true", help="Flash bitstream to SPI Flash") parser.add_argument("--flash", action="store_true", help="Flash bitstream to SPI Flash")
parser.add_argument("--device", default="85F", help="ECP5 device (default: 85F)") parser.add_argument("--device", default="85F", help="ECP5 device (default: 85F)")
parser.add_argument("--sys-clk-freq", default=75e6, help="System clock frequency (default: 75MHz)") parser.add_argument("--sys-clk-freq", default=75e6, help="System clock frequency (default: 75MHz)")
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-ethernet", action="store_true", help="Enable Ethernet support") ethopts = parser.add_mutually_exclusive_group()
ethopts.add_argument("--with-ethernet", action="store_true", help="Enable Ethernet support")
ethopts.add_argument("--with-etherbone", action="store_true", help="Enable Etherbone support")
builder_args(parser) builder_args(parser)
soc_core_args(parser) soc_core_args(parser)
trellis_args(parser) trellis_args(parser)
args = parser.parse_args() args = parser.parse_args()
soc = BaseSoC( soc = BaseSoC(
device = args.device, device = args.device,
sys_clk_freq = int(float(args.sys_clk_freq)), sys_clk_freq = int(float(args.sys_clk_freq)),
with_ethernet = args.with_ethernet, with_ethernet = args.with_ethernet,
with_etherbone = args.with_etherbone,
**soc_core_argdict(args) **soc_core_argdict(args)
) )
if args.with_sdcard: if args.with_sdcard: