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siglent_sds1104xe: Allow build without Etherbone.

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This commit is contained in:
Florent Kermarrec 2021-03-26 23:25:42 +01:00
parent c6ced293d4
commit 87df45e625
1 changed files with 7 additions and 3 deletions

10
litex_boards/targets/siglent_sds1104xe.py
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@ -39,7 +39,7 @@ from liteeth.phy.mii import LiteEthPHYMII
# CRG ---------------------------------------------------------------------------------------------- # CRG ----------------------------------------------------------------------------------------------
class _CRG(Module): class _CRG(Module):
def __init__(self, platform, sys_clk_freq): def __init__(self, platform, sys_clk_freq, with_ethernet=False):
self.rst = Signal() self.rst = Signal()
self.clock_domains.cd_sys = ClockDomain() self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys4x = ClockDomain(reset_less=True) self.clock_domains.cd_sys4x = ClockDomain(reset_less=True)
@ -49,8 +49,12 @@ class _CRG(Module):
# # # # # #
# Clk / Rst
clk25 = ClockSignal("eth_tx") if with_ethernet else platform.request("eth_clocks").rx
# PLL
self.submodules.pll = pll = S7PLL(speedgrade=-1) self.submodules.pll = pll = S7PLL(speedgrade=-1)
pll.register_clkin(ClockSignal("eth_tx"), 25e6) pll.register_clkin(clk25, 25e6)
pll.create_clkout(self.cd_sys, sys_clk_freq) pll.create_clkout(self.cd_sys, sys_clk_freq)
pll.create_clkout(self.cd_sys4x, 4*sys_clk_freq) pll.create_clkout(self.cd_sys4x, 4*sys_clk_freq)
pll.create_clkout(self.cd_sys4x_dqs, 4*sys_clk_freq, phase=90) pll.create_clkout(self.cd_sys4x_dqs, 4*sys_clk_freq, phase=90)
@ -75,7 +79,7 @@ class BaseSoC(SoCCore):
**kwargs) **kwargs)
# CRG -------------------------------------------------------------------------------------- # CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform, sys_clk_freq) self.submodules.crg = _CRG(platform, sys_clk_freq, with_ethernet=with_etherbone)
# DDR3 SDRAM ------------------------------------------------------------------------------- # DDR3 SDRAM -------------------------------------------------------------------------------
if not self.integrated_main_ram_size: if not self.integrated_main_ram_size: