mirror of
https://github.com/alexforencich/verilog-ethernet.git
synced 2025-01-14 06:43:18 +08:00
51 lines
2.6 KiB
Tcl
51 lines
2.6 KiB
Tcl
# Copyright (c) 2023 Alex Forencich
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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# Transceiver configuration
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set eth_xcvr_freerun_freq {125}
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set eth_xcvr_line_rate {25.78125}
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set eth_xcvr_sec_line_rate {0}
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set eth_xcvr_refclk_freq {161.1328125}
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set eth_xcvr_qpll_fracn [expr {int(fmod($eth_xcvr_line_rate*1000/2 / $eth_xcvr_refclk_freq, 1)*pow(2, 24))}]
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set eth_xcvr_sec_qpll_fracn [expr {int(fmod($eth_xcvr_sec_line_rate*1000/2 / $eth_xcvr_refclk_freq, 1)*pow(2, 24))}]
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set eth_xcvr_rx_eq_mode {DFE}
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set xcvr_config [dict create]
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dict set xcvr_config CONFIG.TX_LINE_RATE $eth_xcvr_line_rate
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dict set xcvr_config CONFIG.TX_QPLL_FRACN_NUMERATOR $eth_xcvr_qpll_fracn
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dict set xcvr_config CONFIG.TX_REFCLK_FREQUENCY $eth_xcvr_refclk_freq
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dict set xcvr_config CONFIG.RX_LINE_RATE $eth_xcvr_line_rate
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dict set xcvr_config CONFIG.RX_QPLL_FRACN_NUMERATOR $eth_xcvr_qpll_fracn
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dict set xcvr_config CONFIG.RX_REFCLK_FREQUENCY $eth_xcvr_refclk_freq
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dict set xcvr_config CONFIG.RX_EQ_MODE $eth_xcvr_rx_eq_mode
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if {$eth_xcvr_sec_line_rate != 0} {
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dict set xcvr_config CONFIG.SECONDARY_QPLL_ENABLE true
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dict set xcvr_config CONFIG.SECONDARY_QPLL_FRACN_NUMERATOR $eth_xcvr_sec_qpll_fracn
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dict set xcvr_config CONFIG.SECONDARY_QPLL_LINE_RATE $eth_xcvr_sec_line_rate
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dict set xcvr_config CONFIG.SECONDARY_QPLL_REFCLK_FREQUENCY $eth_xcvr_refclk_freq
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} else {
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dict set xcvr_config CONFIG.SECONDARY_QPLL_ENABLE false
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}
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dict set xcvr_config CONFIG.FREERUN_FREQUENCY $eth_xcvr_freerun_freq
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set_property -dict $xcvr_config [get_ips eth_xcvr_gt_full]
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set_property -dict $xcvr_config [get_ips eth_xcvr_gt_channel]
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