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liteeth_gen: Allow selection QPLL channel on Artix7 through qpll_channel parameter.

This commit is contained in:
Florent Kermarrec 2024-03-19 17:56:13 +01:00
parent 5eb986b004
commit 1a5d93509b
1 changed files with 4 additions and 2 deletions
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6
liteeth/gen.py
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@ -300,6 +300,8 @@ class PHYCore(SoCMini):
refclk_freq = core_config.get("refclk_freq", 0) refclk_freq = core_config.get("refclk_freq", 0)
assert refclk_freq in [125e6, 156.25e6] assert refclk_freq in [125e6, 156.25e6]
# QPLL. # QPLL.
qpll_channel_index = core_config.get("qpll_channel", 0)
assert qpll_channel_index in [0, 1]
if core_config.get("qpll", True): if core_config.get("qpll", True):
from liteeth.phy.a7_gtp import QPLLSettings, QPLL from liteeth.phy.a7_gtp import QPLLSettings, QPLL
qpll_settings = QPLLSettings( qpll_settings = QPLLSettings(
@ -316,10 +318,10 @@ class PHYCore(SoCMini):
) )
qpll = QPLL(ethphy_pads.refclk, qpll_settings) qpll = QPLL(ethphy_pads.refclk, qpll_settings)
self.submodules += qpll self.submodules += qpll
qpll_channel = qpll.channels[0] # FIXME: Allow 1? qpll_channel = qpll.channels[qpll_channel_index]
else: else:
qpll_channel = platform.request("sgmii_qpll") qpll_channel = platform.request("sgmii_qpll")
qpll_channel.index = 0 # FIXME: Allow 1? qpll_channel.index = qpll_channel_index
# PHY. # PHY.
ethphy = phy( ethphy = phy(
qpll_channel = qpll_channel, qpll_channel = qpll_channel,