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targets/kcu105: add Etherbone support.

This commit is contained in:
Florent Kermarrec 2020-09-24 09:54:53 +02:00
parent 77ba49f2bb
commit 5b7288cfee
1 changed files with 12 additions and 6 deletions
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14
litex_boards/targets/kcu105.py
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@ -55,7 +55,7 @@ class _CRG(Module):
# BaseSoC ------------------------------------------------------------------------------------------ # BaseSoC ------------------------------------------------------------------------------------------
class BaseSoC(SoCCore): class BaseSoC(SoCCore):
def __init__(self, sys_clk_freq=int(125e6), with_ethernet=False, **kwargs): def __init__(self, sys_clk_freq=int(125e6), with_ethernet=False, with_etherbone=False, **kwargs):
platform = kcu105.Platform() platform = kcu105.Platform()
# SoCCore ---------------------------------------------------------------------------------- # SoCCore ----------------------------------------------------------------------------------
@ -85,15 +85,18 @@ 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 = KU_1000BASEX(self.crg.cd_clk200.clk, self.submodules.ethphy = KU_1000BASEX(self.crg.cd_clk200.clk,
data_pads = self.platform.request("sfp", 0), data_pads = self.platform.request("sfp", 0),
sys_clk_freq = self.clk_freq) sys_clk_freq = self.clk_freq)
self.add_csr("ethphy") self.add_csr("ethphy")
self.comb += self.platform.request("sfp_tx_disable_n", 0).eq(1) self.comb += self.platform.request("sfp_tx_disable_n", 0).eq(1)
self.platform.add_platform_command("set_property SEVERITY {{Warning}} [get_drc_checks REQP-1753]") self.platform.add_platform_command("set_property SEVERITY {{Warning}} [get_drc_checks REQP-1753]")
if with_ethernet:
self.add_ethernet(phy=self.ethphy) self.add_ethernet(phy=self.ethphy)
if with_etherbone:
self.add_etherbone(phy=self.ethphy)
# Leds ------------------------------------------------------------------------------------- # Leds -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser( self.submodules.leds = LedChaser(
@ -110,9 +113,12 @@ def main():
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-etherbone", action="store_true", help="Enable Etherbone support")
args = parser.parse_args() args = parser.parse_args()
soc = BaseSoC(with_ethernet=args.with_ethernet, **soc_sdram_argdict(args)) assert not (args.with_ethernet and args.with_etherbone)
soc = BaseSoC(with_ethernet=args.with_ethernet, with_etherbone=args.with_etherbone,
**soc_sdram_argdict(args))
builder = Builder(soc, **builder_argdict(args)) builder = Builder(soc, **builder_argdict(args))
builder.build(run=args.build) builder.build(run=args.build)