targets/xcu1525: use ddram_channel to select clk300.
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982cfd5ad5
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06137452d2
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@ -31,7 +31,7 @@ from litepcie.software import generate_litepcie_software
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# CRG ----------------------------------------------------------------------------------------------
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class _CRG(Module):
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def __init__(self, platform, sys_clk_freq):
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def __init__(self, platform, sys_clk_freq, ddram_channel):
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self.clock_domains.cd_sys = ClockDomain()
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self.clock_domains.cd_sys4x = ClockDomain(reset_less=True)
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self.clock_domains.cd_pll4x = ClockDomain(reset_less=True)
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@ -40,7 +40,7 @@ class _CRG(Module):
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# # #
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self.submodules.pll = pll = USPMMCM(speedgrade=-2)
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pll.register_clkin(platform.request("clk300"), 300e6)
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pll.register_clkin(platform.request("clk300", ddram_channel), 300e6)
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pll.create_clkout(self.cd_pll4x, sys_clk_freq*4, buf=None, with_reset=False)
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pll.create_clkout(self.cd_clk500, 500e6, with_reset=False)
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