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liteeth/liteeth/phy/ku_1000basex.py

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# This file is Copyright (c) 2018 Sebastien Bourdeauducq <sb@m-labs.hk>
# This file is Copyright (c) 2019-2020 Florent Kermarrec <florent@enjoy-digital.fr>
# License: BSD
from migen import *
from migen.genlib.resetsync import AsyncResetSynchronizer
from migen.genlib.cdc import PulseSynchronizer
from liteeth.phy.pcs_1000basex import *
class Open(Signal):
pass
class Gearbox(Module):
def __init__(self):
self.tx_data = Signal(10)
self.tx_data_half = Signal(20)
self.rx_data_half = Signal(20)
self.rx_data = Signal(10)
# TX
buf = Signal(20)
self.sync.eth_tx += buf.eq(Cat(buf[10:], self.tx_data))
self.sync.eth_tx_half += self.tx_data_half.eq(buf)
# RX
phase_half = Signal()
phase_half_rereg = Signal()
self.sync.eth_rx_half += phase_half_rereg.eq(phase_half)
self.sync.eth_rx += [
If(phase_half == phase_half_rereg,
self.rx_data.eq(self.rx_data_half[10:])
).Else(
self.rx_data.eq(self.rx_data_half[:10])
),
phase_half.eq(~phase_half),
]
# Configured for 200MHz transceiver reference clock
class KU_1000BASEX(Module):
dw = 8
tx_clk_freq = 125e6
rx_clk_freq = 125e6
def __init__(self, refclk_or_clk_pads, data_pads, sys_clk_freq):
pcs = PCS(lsb_first=True)
self.submodules += pcs
self.sink = pcs.sink
self.source = pcs.source
self.link_up = pcs.link_up
self.clock_domains.cd_eth_tx = ClockDomain()
self.clock_domains.cd_eth_rx = ClockDomain()
self.clock_domains.cd_eth_tx_half = ClockDomain(reset_less=True)
self.clock_domains.cd_eth_rx_half = ClockDomain(reset_less=True)
# for specifying clock constraints. 125MHz clocks.
self.txoutclk = Signal()
self.rxoutclk = Signal()
# # #
if isinstance(refclk_or_clk_pads, Signal):
refclk = refclk_or_clk_pads
else:
refclk = Signal()
self.specials += Instance("IBUFDS_GTE3",
i_I = refclk_or_clk_pads.p,
i_IB = refclk_or_clk_pads.n,
i_CEB = 0,
o_O = refclk,
)
gtpowergood = Signal()
pll_reset = Signal(reset=1)
pll_locked = Signal()
tx_reset = Signal()
tx_data = Signal(20)
tx_reset_done = Signal()
rx_reset = Signal()
rx_data = Signal(20)
rx_reset_done = Signal()
gth_params = dict(
p_ACJTAG_DEBUG_MODE = 0b0,
p_ACJTAG_MODE = 0b0,
p_ACJTAG_RESET = 0b0,
p_ADAPT_CFG0 = 0b1111100000000000,
p_ADAPT_CFG1 = 0b0000000000000000,
p_ALIGN_COMMA_DOUBLE = "FALSE",
p_ALIGN_COMMA_ENABLE = 0b0000000000,
p_ALIGN_COMMA_WORD = 1,
p_ALIGN_MCOMMA_DET = "FALSE",
p_ALIGN_MCOMMA_VALUE = 0b1010000011,
p_ALIGN_PCOMMA_DET = "FALSE",
p_ALIGN_PCOMMA_VALUE = 0b0101111100,
p_A_RXOSCALRESET = 0b0,
p_A_RXPROGDIVRESET = 0b0,
p_A_TXPROGDIVRESET = 0b0,
p_CBCC_DATA_SOURCE_SEL = "ENCODED",
p_CDR_SWAP_MODE_EN = 0b0,
p_CHAN_BOND_KEEP_ALIGN = "FALSE",
p_CHAN_BOND_MAX_SKEW = 1,
p_CHAN_BOND_SEQ_1_1 = 0b0000000000,
p_CHAN_BOND_SEQ_1_2 = 0b0000000000,
p_CHAN_BOND_SEQ_1_3 = 0b0000000000,
p_CHAN_BOND_SEQ_1_4 = 0b0000000000,
p_CHAN_BOND_SEQ_1_ENABLE = 0b1111,
p_CHAN_BOND_SEQ_2_1 = 0b0000000000,
p_CHAN_BOND_SEQ_2_2 = 0b0000000000,
p_CHAN_BOND_SEQ_2_3 = 0b0000000000,
p_CHAN_BOND_SEQ_2_4 = 0b0000000000,
p_CHAN_BOND_SEQ_2_ENABLE = 0b1111,
p_CHAN_BOND_SEQ_2_USE = "FALSE",
p_CHAN_BOND_SEQ_LEN = 1,
p_CLK_CORRECT_USE = "FALSE",
p_CLK_COR_KEEP_IDLE = "FALSE",
p_CLK_COR_MAX_LAT = 6,
p_CLK_COR_MIN_LAT = 4,
p_CLK_COR_PRECEDENCE = "TRUE",
p_CLK_COR_REPEAT_WAIT = 0,
p_CLK_COR_SEQ_1_1 = 0b0000000000,
p_CLK_COR_SEQ_1_2 = 0b0000000000,
p_CLK_COR_SEQ_1_3 = 0b0000000000,
p_CLK_COR_SEQ_1_4 = 0b0000000000,
p_CLK_COR_SEQ_1_ENABLE = 0b1111,
p_CLK_COR_SEQ_2_1 = 0b0000000000,
p_CLK_COR_SEQ_2_2 = 0b0000000000,
p_CLK_COR_SEQ_2_3 = 0b0000000000,
p_CLK_COR_SEQ_2_4 = 0b0000000000,
p_CLK_COR_SEQ_2_ENABLE = 0b1111,
p_CLK_COR_SEQ_2_USE = "FALSE",
p_CLK_COR_SEQ_LEN = 1,
p_CPLL_CFG0 = 0b0110011111111000,
p_CPLL_CFG1 = 0b1010010010101100,
p_CPLL_CFG2 = 0b0000000000000111,
p_CPLL_CFG3 = 0b000000,
p_CPLL_FBDIV = 5,
p_CPLL_FBDIV_45 = 5,
p_CPLL_INIT_CFG0 = 0b0000001010110010,
p_CPLL_INIT_CFG1 = 0b00000000,
p_CPLL_LOCK_CFG = 0b0000000111101000,
p_CPLL_REFCLK_DIV = 2,
p_DDI_CTRL = 0b00,
p_DDI_REALIGN_WAIT = 15,
p_DEC_MCOMMA_DETECT = "FALSE",
p_DEC_PCOMMA_DETECT = "FALSE",
p_DEC_VALID_COMMA_ONLY = "FALSE",
p_DFE_D_X_REL_POS = 0b0,
p_DFE_VCM_COMP_EN = 0b0,
p_DMONITOR_CFG0 = 0b0000000000,
p_DMONITOR_CFG1 = 0b00000000,
p_ES_CLK_PHASE_SEL = 0b0,
p_ES_CONTROL = 0b000000,
p_ES_ERRDET_EN = "FALSE",
p_ES_EYE_SCAN_EN = "FALSE",
p_ES_HORZ_OFFSET = 0b000000000000,
p_ES_PMA_CFG = 0b0000000000,
p_ES_PRESCALE = 0b00000,
p_ES_QUALIFIER0 = 0b0000000000000000,
p_ES_QUALIFIER1 = 0b0000000000000000,
p_ES_QUALIFIER2 = 0b0000000000000000,
p_ES_QUALIFIER3 = 0b0000000000000000,
p_ES_QUALIFIER4 = 0b0000000000000000,
p_ES_QUAL_MASK0 = 0b0000000000000000,
p_ES_QUAL_MASK1 = 0b0000000000000000,
p_ES_QUAL_MASK2 = 0b0000000000000000,
p_ES_QUAL_MASK3 = 0b0000000000000000,
p_ES_QUAL_MASK4 = 0b0000000000000000,
p_ES_SDATA_MASK0 = 0b0000000000000000,
p_ES_SDATA_MASK1 = 0b0000000000000000,
p_ES_SDATA_MASK2 = 0b0000000000000000,
p_ES_SDATA_MASK3 = 0b0000000000000000,
p_ES_SDATA_MASK4 = 0b0000000000000000,
p_EVODD_PHI_CFG = 0b00000000000,
p_EYE_SCAN_SWAP_EN = 0b0,
p_FTS_DESKEW_SEQ_ENABLE = 0b1111,
p_FTS_LANE_DESKEW_CFG = 0b1111,
p_FTS_LANE_DESKEW_EN = "FALSE",
p_GEARBOX_MODE = 0b00000,
p_GM_BIAS_SELECT = 0b0,
p_LOCAL_MASTER = 0b1,
p_OOBDIVCTL = 0b00,
p_OOB_PWRUP = 0b0,
p_PCI3_AUTO_REALIGN = "OVR_1K_BLK",
p_PCI3_PIPE_RX_ELECIDLE = 0b0,
p_PCI3_RX_ASYNC_EBUF_BYPASS = 0b00,
p_PCI3_RX_ELECIDLE_EI2_ENABLE = 0b0,
p_PCI3_RX_ELECIDLE_H2L_COUNT = 0b000000,
p_PCI3_RX_ELECIDLE_H2L_DISABLE = 0b000,
p_PCI3_RX_ELECIDLE_HI_COUNT = 0b000000,
p_PCI3_RX_ELECIDLE_LP4_DISABLE = 0b0,
p_PCI3_RX_FIFO_DISABLE = 0b0,
p_PCIE_BUFG_DIV_CTRL = 0b0001000000000000,
p_PCIE_RXPCS_CFG_GEN3 = 0b0000001010100100,
p_PCIE_RXPMA_CFG = 0b0000000000001010,
p_PCIE_TXPCS_CFG_GEN3 = 0b0010110010100100,
p_PCIE_TXPMA_CFG = 0b0000000000001010,
p_PCS_PCIE_EN = "FALSE",
p_PCS_RSVD0 = 0b0000000000000000,
p_PCS_RSVD1 = 0b000,
p_PD_TRANS_TIME_FROM_P2 = 0b000000111100,
p_PD_TRANS_TIME_NONE_P2 = 0b00011001,
p_PD_TRANS_TIME_TO_P2 = 0b01100100,
p_PLL_SEL_MODE_GEN12 = 0b00,
p_PLL_SEL_MODE_GEN3 = 0b11,
p_PMA_RSV1 = 0b1111000000000000,
p_PROCESS_PAR = 0b010,
p_RATE_SW_USE_DRP = 0b1,
p_RESET_POWERSAVE_DISABLE = 0b0,
)
gth_params.update(
p_RXBUFRESET_TIME = 0b00011,
p_RXBUF_ADDR_MODE = "FAST",
p_RXBUF_EIDLE_HI_CNT = 0b1000,
p_RXBUF_EIDLE_LO_CNT = 0b0000,
p_RXBUF_EN = "TRUE",
p_RXBUF_RESET_ON_CB_CHANGE = "TRUE",
p_RXBUF_RESET_ON_COMMAALIGN = "FALSE",
p_RXBUF_RESET_ON_EIDLE = "FALSE",
p_RXBUF_RESET_ON_RATE_CHANGE = "TRUE",
p_RXBUF_THRESH_OVFLW = 61,
p_RXBUF_THRESH_OVRD = "TRUE",
p_RXBUF_THRESH_UNDFLW = 1,
p_RXCDRFREQRESET_TIME = 0b00001,
p_RXCDRPHRESET_TIME = 0b00001,
p_RXCDR_CFG0 = 0b0000000000000000,
p_RXCDR_CFG0_GEN3 = 0b0000000000000000,
p_RXCDR_CFG1 = 0b0000000000000000,
p_RXCDR_CFG1_GEN3 = 0b0000000000000000,
p_RXCDR_CFG2 = 0b0000011111000110,
p_RXCDR_CFG2_GEN3 = 0b0000011111100110,
p_RXCDR_CFG3 = 0b0000000000000000,
p_RXCDR_CFG3_GEN3 = 0b0000000000000000,
p_RXCDR_CFG4 = 0b0000000000000000,
p_RXCDR_CFG4_GEN3 = 0b0000000000000000,
p_RXCDR_CFG5 = 0b0000000000000000,
p_RXCDR_CFG5_GEN3 = 0b0000000000000000,
p_RXCDR_FR_RESET_ON_EIDLE = 0b0,
p_RXCDR_HOLD_DURING_EIDLE = 0b0,
p_RXCDR_LOCK_CFG0 = 0b0100010010000000,
p_RXCDR_LOCK_CFG1 = 0b0101111111111111,
p_RXCDR_LOCK_CFG2 = 0b0111011111000011,
p_RXCDR_PH_RESET_ON_EIDLE = 0b0,
p_RXCFOK_CFG0 = 0b0100000000000000,
p_RXCFOK_CFG1 = 0b0000000001100101,
p_RXCFOK_CFG2 = 0b0000000000101110,
p_RXDFELPMRESET_TIME = 0b0001111,
p_RXDFELPM_KL_CFG0 = 0b0000000000000000,
p_RXDFELPM_KL_CFG1 = 0b0000000000110010,
p_RXDFELPM_KL_CFG2 = 0b0000000000000000,
p_RXDFE_CFG0 = 0b0000101000000000,
p_RXDFE_CFG1 = 0b0000000000000000,
p_RXDFE_GC_CFG0 = 0b0000000000000000,
p_RXDFE_GC_CFG1 = 0b0111100001110000,
p_RXDFE_GC_CFG2 = 0b0000000000000000,
p_RXDFE_H2_CFG0 = 0b0000000000000000,
p_RXDFE_H2_CFG1 = 0b0000000000000000,
p_RXDFE_H3_CFG0 = 0b0100000000000000,
p_RXDFE_H3_CFG1 = 0b0000000000000000,
p_RXDFE_H4_CFG0 = 0b0010000000000000,
p_RXDFE_H4_CFG1 = 0b0000000000000011,
p_RXDFE_H5_CFG0 = 0b0010000000000000,
p_RXDFE_H5_CFG1 = 0b0000000000000011,
p_RXDFE_H6_CFG0 = 0b0010000000000000,
p_RXDFE_H6_CFG1 = 0b0000000000000000,
p_RXDFE_H7_CFG0 = 0b0010000000000000,
p_RXDFE_H7_CFG1 = 0b0000000000000000,
p_RXDFE_H8_CFG0 = 0b0010000000000000,
p_RXDFE_H8_CFG1 = 0b0000000000000000,
p_RXDFE_H9_CFG0 = 0b0010000000000000,
p_RXDFE_H9_CFG1 = 0b0000000000000000,
p_RXDFE_HA_CFG0 = 0b0010000000000000,
p_RXDFE_HA_CFG1 = 0b0000000000000000,
p_RXDFE_HB_CFG0 = 0b0010000000000000,
p_RXDFE_HB_CFG1 = 0b0000000000000000,
p_RXDFE_HC_CFG0 = 0b0000000000000000,
p_RXDFE_HC_CFG1 = 0b0000000000000000,
p_RXDFE_HD_CFG0 = 0b0000000000000000,
p_RXDFE_HD_CFG1 = 0b0000000000000000,
p_RXDFE_HE_CFG0 = 0b0000000000000000,
p_RXDFE_HE_CFG1 = 0b0000000000000000,
p_RXDFE_HF_CFG0 = 0b0000000000000000,
p_RXDFE_HF_CFG1 = 0b0000000000000000,
p_RXDFE_OS_CFG0 = 0b1000000000000000,
p_RXDFE_OS_CFG1 = 0b0000000000000000,
p_RXDFE_UT_CFG0 = 0b1000000000000000,
p_RXDFE_UT_CFG1 = 0b0000000000000011,
p_RXDFE_VP_CFG0 = 0b1010101000000000,
p_RXDFE_VP_CFG1 = 0b0000000000110011,
p_RXDLY_CFG = 0b0000000000011111,
p_RXDLY_LCFG = 0b0000000000110000,
p_RXELECIDLE_CFG = "Sigcfg_4",
p_RXGBOX_FIFO_INIT_RD_ADDR = 4,
p_RXGEARBOX_EN = "FALSE",
p_RXISCANRESET_TIME = 0b00001,
p_RXLPM_CFG = 0b0000000000000000,
p_RXLPM_GC_CFG = 0b0001000000000000,
p_RXLPM_KH_CFG0 = 0b0000000000000000,
p_RXLPM_KH_CFG1 = 0b0000000000000010,
p_RXLPM_OS_CFG0 = 0b1000000000000000,
p_RXLPM_OS_CFG1 = 0b0000000000000010,
p_RXOOB_CFG = 0b000000110,
p_RXOOB_CLK_CFG = "PMA",
p_RXOSCALRESET_TIME = 0b00011,
p_RXOUT_DIV = 4,
p_RXPCSRESET_TIME = 0b00011,
p_RXPHBEACON_CFG = 0b0000000000000000,
p_RXPHDLY_CFG = 0b0010000000100000,
p_RXPHSAMP_CFG = 0b0010000100000000,
p_RXPHSLIP_CFG = 0b0110011000100010,
p_RXPH_MONITOR_SEL = 0b00000,
p_RXPI_CFG0 = 0b01,
p_RXPI_CFG1 = 0b01,
p_RXPI_CFG2 = 0b01,
p_RXPI_CFG3 = 0b01,
p_RXPI_CFG4 = 0b1,
p_RXPI_CFG5 = 0b1,
p_RXPI_CFG6 = 0b011,
p_RXPI_LPM = 0b0,
p_RXPI_VREFSEL = 0b0,
p_RXPMACLK_SEL = "DATA",
p_RXPMARESET_TIME = 0b00011,
p_RXPRBS_ERR_LOOPBACK = 0b0,
p_RXPRBS_LINKACQ_CNT = 15,
p_RXSLIDE_AUTO_WAIT = 7,
p_RXSLIDE_MODE = "OFF",
p_RXSYNC_MULTILANE = 0b0,
p_RXSYNC_OVRD = 0b0,
p_RXSYNC_SKIP_DA = 0b0,
p_RX_AFE_CM_EN = 0b0,
p_RX_BIAS_CFG0 = 0b0000101010110100,
p_RX_BUFFER_CFG = 0b000000,
p_RX_CAPFF_SARC_ENB = 0b0,
p_RX_CLK25_DIV = 8,
p_RX_CLKMUX_EN = 0b1,
p_RX_CLK_SLIP_OVRD = 0b00000,
p_RX_CM_BUF_CFG = 0b1010,
p_RX_CM_BUF_PD = 0b0,
p_RX_CM_SEL = 0b11,
p_RX_CM_TRIM = 0b1010,
p_RX_CTLE3_LPF = 0b00000001,
p_RX_DATA_WIDTH = 20,
p_RX_DDI_SEL = 0b000000,
p_RX_DEFER_RESET_BUF_EN = "TRUE",
p_RX_DFELPM_CFG0 = 0b0110,
p_RX_DFELPM_CFG1 = 0b1,
p_RX_DFELPM_KLKH_AGC_STUP_EN = 0b1,
p_RX_DFE_AGC_CFG0 = 0b10,
p_RX_DFE_AGC_CFG1 = 0b000,
p_RX_DFE_KL_LPM_KH_CFG0 = 0b01,
p_RX_DFE_KL_LPM_KH_CFG1 = 0b000,
p_RX_DFE_KL_LPM_KL_CFG0 = 0b01,
p_RX_DFE_KL_LPM_KL_CFG1 = 0b000,
p_RX_DFE_LPM_HOLD_DURING_EIDLE = 0b0,
p_RX_DISPERR_SEQ_MATCH = "TRUE",
p_RX_DIVRESET_TIME = 0b00001,
p_RX_EN_HI_LR = 0b0,
p_RX_EYESCAN_VS_CODE = 0b0000000,
p_RX_EYESCAN_VS_NEG_DIR = 0b0,
p_RX_EYESCAN_VS_RANGE = 0b00,
p_RX_EYESCAN_VS_UT_SIGN = 0b0,
p_RX_FABINT_USRCLK_FLOP = 0b0,
p_RX_INT_DATAWIDTH = 0,
p_RX_PMA_POWER_SAVE = 0b0,
p_RX_PROGDIV_CFG = 20.0,
p_RX_SAMPLE_PERIOD = 0b111,
p_RX_SIG_VALID_DLY = 11,
p_RX_SUM_DFETAPREP_EN = 0b0,
p_RX_SUM_IREF_TUNE = 0b1100,
p_RX_SUM_RES_CTRL = 0b11,
p_RX_SUM_VCMTUNE = 0b0000,
p_RX_SUM_VCM_OVWR = 0b0,
p_RX_SUM_VREF_TUNE = 0b000,
p_RX_TUNE_AFE_OS = 0b10,
p_RX_WIDEMODE_CDR = 0b0,
p_RX_XCLK_SEL = "RXDES",
)
gth_params.update(
p_SAS_MAX_COM = 64,
p_SAS_MIN_COM = 36,
p_SATA_BURST_SEQ_LEN = 0b1110,
p_SATA_CPLL_CFG = "VCO_3000MHZ",
p_SATA_MAX_BURST = 8,
p_SATA_MAX_INIT = 21,
p_SATA_MAX_WAKE = 7,
p_SATA_MIN_BURST = 4,
p_SATA_MIN_INIT = 12,
p_SATA_MIN_WAKE = 4,
p_SHOW_REALIGN_COMMA = "FALSE",
p_SIM_RECEIVER_DETECT_PASS = "TRUE",
p_SIM_RESET_SPEEDUP = "TRUE",
p_SIM_TX_EIDLE_DRIVE_LEVEL = 0b0,
p_SIM_VERSION = 2,
p_TAPDLY_SET_TX = 0b00,
p_TEMPERATUR_PAR = 0b0010,
p_TERM_RCAL_CFG = 0b100001000010000,
p_TERM_RCAL_OVRD = 0b000,
p_TRANS_TIME_RATE = 0b00001110,
p_TST_RSV0 = 0b00000000,
p_TST_RSV1 = 0b00000000,
p_TXBUF_EN = "TRUE",
p_TXBUF_RESET_ON_RATE_CHANGE = "TRUE",
p_TXDLY_CFG = 0b0000000000001001,
p_TXDLY_LCFG = 0b0000000001010000,
p_TXDRVBIAS_N = 0b1010,
p_TXDRVBIAS_P = 0b1010,
p_TXFIFO_ADDR_CFG = "LOW",
p_TXGBOX_FIFO_INIT_RD_ADDR = 4,
p_TXGEARBOX_EN = "FALSE",
p_TXOUT_DIV = 4,
p_TXPCSRESET_TIME = 0b00011,
p_TXPHDLY_CFG0 = 0b0010000000100000,
p_TXPHDLY_CFG1 = 0b0000000001110101,
p_TXPH_CFG = 0b0000100110000000,
p_TXPH_MONITOR_SEL = 0b00000,
p_TXPI_CFG0 = 0b01,
p_TXPI_CFG1 = 0b01,
p_TXPI_CFG2 = 0b01,
p_TXPI_CFG3 = 0b1,
p_TXPI_CFG4 = 0b1,
p_TXPI_CFG5 = 0b011,
p_TXPI_GRAY_SEL = 0b0,
p_TXPI_INVSTROBE_SEL = 0b0,
p_TXPI_LPM = 0b0,
p_TXPI_PPMCLK_SEL = "TXUSRCLK2",
p_TXPI_PPM_CFG = 0b00000000,
p_TXPI_SYNFREQ_PPM = 0b001,
p_TXPI_VREFSEL = 0b0,
p_TXPMARESET_TIME = 0b00011,
p_TXSYNC_MULTILANE = 0b0,
p_TXSYNC_OVRD = 0b0,
p_TXSYNC_SKIP_DA = 0b0,
p_TX_CLK25_DIV = 8,
p_TX_CLKMUX_EN = 0b1,
p_TX_DATA_WIDTH = 20,
p_TX_DCD_CFG = 0b000010,
p_TX_DCD_EN = 0b0,
p_TX_DEEMPH0 = 0b000000,
p_TX_DEEMPH1 = 0b000000,
p_TX_DIVRESET_TIME = 0b00001,
p_TX_DRIVE_MODE = "DIRECT",
p_TX_EIDLE_ASSERT_DELAY = 0b100,
p_TX_EIDLE_DEASSERT_DELAY = 0b011,
p_TX_EML_PHI_TUNE = 0b0,
p_TX_FABINT_USRCLK_FLOP = 0b0,
p_TX_IDLE_DATA_ZERO = 0b0,
p_TX_INT_DATAWIDTH = 0,
p_TX_LOOPBACK_DRIVE_HIZ = "FALSE",
p_TX_MAINCURSOR_SEL = 0b0,
p_TX_MARGIN_FULL_0 = 0b1001111,
p_TX_MARGIN_FULL_1 = 0b1001110,
p_TX_MARGIN_FULL_2 = 0b1001100,
p_TX_MARGIN_FULL_3 = 0b1001010,
p_TX_MARGIN_FULL_4 = 0b1001000,
p_TX_MARGIN_LOW_0 = 0b1000110,
p_TX_MARGIN_LOW_1 = 0b1000101,
p_TX_MARGIN_LOW_2 = 0b1000011,
p_TX_MARGIN_LOW_3 = 0b1000010,
p_TX_MARGIN_LOW_4 = 0b1000000,
p_TX_MODE_SEL = 0b000,
p_TX_PMADATA_OPT = 0b0,
p_TX_PMA_POWER_SAVE = 0b0,
p_TX_PROGCLK_SEL = "CPLL",
p_TX_PROGDIV_CFG = 20.0,
p_TX_QPI_STATUS_EN = 0b0,
p_TX_RXDETECT_CFG = 0b00000000110010,
p_TX_RXDETECT_REF = 0b100,
p_TX_SAMPLE_PERIOD = 0b111,
p_TX_SARC_LPBK_ENB = 0b0,
p_TX_XCLK_SEL = "TXOUT",
p_USE_PCS_CLK_PHASE_SEL = 0b0,
p_WB_MODE = 0b00,
)
gth_params.update(
i_CFGRESET = 0b0,
i_CLKRSVD0 = 0b0,
i_CLKRSVD1 = 0b0,
i_CPLLLOCKDETCLK = 0b0,
i_CPLLLOCKEN = 0b1,
i_CPLLPD = pll_reset,
i_CPLLREFCLKSEL = 0b001,
i_CPLLRESET = 0b0,
i_DMONFIFORESET = 0b0,
i_DMONITORCLK = 0b0,
i_DRPADDR = 0b000000000,
i_DRPCLK = 0b0,
i_DRPDI = 0b0000000000000000,
i_DRPEN = 0b0,
i_DRPWE = 0b0,
i_EVODDPHICALDONE = 0b0,
i_EVODDPHICALSTART = 0b0,
i_EVODDPHIDRDEN = 0b0,
i_EVODDPHIDWREN = 0b0,
i_EVODDPHIXRDEN = 0b0,
i_EVODDPHIXWREN = 0b0,
i_EYESCANMODE = 0b0,
i_EYESCANRESET = 0b0,
i_EYESCANTRIGGER = 0b0,
i_GTGREFCLK = 0b0,
i_GTHRXN = data_pads.rxn,
i_GTHRXP = data_pads.rxp,
i_GTNORTHREFCLK0 = 0b0,
i_GTNORTHREFCLK1 = 0b0,
i_GTREFCLK0 = refclk,
i_GTREFCLK1 = 0b0,
i_GTRESETSEL = 0b0,
i_GTRSVD = 0b0000000000000000,
i_GTRXRESET = rx_reset,
i_GTSOUTHREFCLK0 = 0b0,
i_GTSOUTHREFCLK1 = 0b0,
i_GTTXRESET = tx_reset,
i_LOOPBACK = 0b000,
i_LPBKRXTXSEREN = 0b0,
i_LPBKTXRXSEREN = 0b0,
i_PCIEEQRXEQADAPTDONE = 0b0,
i_PCIERSTIDLE = 0b0,
i_PCIERSTTXSYNCSTART = 0b0,
i_PCIEUSERRATEDONE = 0b0,
i_PCSRSVDIN2 = 0b00000,
i_PCSRSVDIN = 0b0000000000000000,
i_PMARSVDIN = 0b00000,
i_QPLL0CLK = 0b0,
i_QPLL0REFCLK = 0b0,
i_QPLL1CLK = 0b0,
i_QPLL1REFCLK = 0b0,
i_RESETOVRD = 0b0,
i_RSTCLKENTX = 0b0,
i_RX8B10BEN = 0b0,
i_RXBUFRESET = 0b0,
i_RXCDRFREQRESET = 0b0,
i_RXCDRHOLD = 0b0,
i_RXCDROVRDEN = 0b0,
i_RXCDRRESETRSV = 0b0,
i_RXCDRRESET = 0b0,
i_RXCHBONDEN = 0b0,
i_RXCHBONDI = 0b00000,
i_RXCHBONDLEVEL = 0b000,
i_RXCHBONDMASTER = 0b0,
i_RXCHBONDSLAVE = 0b0,
i_RXCOMMADETEN = 0b0,
i_RXDFEAGCCTRL = 0b01,
i_RXDFEAGCHOLD = 0b0,
i_RXDFEAGCOVRDEN = 0b0,
i_RXDFELFHOLD = 0b0,
i_RXDFELFOVRDEN = 0b0,
i_RXDFELPMRESET = 0b0,
i_RXDFETAP10HOLD = 0b0,
i_RXDFETAP10OVRDEN = 0b0,
i_RXDFETAP11HOLD = 0b0,
i_RXDFETAP11OVRDEN = 0b0,
i_RXDFETAP12HOLD = 0b0,
i_RXDFETAP12OVRDEN = 0b0,
i_RXDFETAP13HOLD = 0b0,
i_RXDFETAP13OVRDEN = 0b0,
i_RXDFETAP14HOLD = 0b0,
i_RXDFETAP14OVRDEN = 0b0,
i_RXDFETAP15HOLD = 0b0,
i_RXDFETAP15OVRDEN = 0b0,
i_RXDFETAP2HOLD = 0b0,
i_RXDFETAP2OVRDEN = 0b0,
i_RXDFETAP3HOLD = 0b0,
i_RXDFETAP3OVRDEN = 0b0,
i_RXDFETAP4HOLD = 0b0,
i_RXDFETAP4OVRDEN = 0b0,
i_RXDFETAP5HOLD = 0b0,
i_RXDFETAP5OVRDEN = 0b0,
i_RXDFETAP6HOLD = 0b0,
i_RXDFETAP6OVRDEN = 0b0,
i_RXDFETAP7HOLD = 0b0,
i_RXDFETAP7OVRDEN = 0b0,
i_RXDFETAP8HOLD = 0b0,
i_RXDFETAP8OVRDEN = 0b0,
i_RXDFETAP9HOLD = 0b0,
i_RXDFETAP9OVRDEN = 0b0,
i_RXDFEUTHOLD = 0b0,
i_RXDFEUTOVRDEN = 0b0,
i_RXDFEVPHOLD = 0b0,
i_RXDFEVPOVRDEN = 0b0,
i_RXDFEVSEN = 0b0,
i_RXDFEXYDEN = 0b1,
i_RXDLYBYPASS = 0b1,
i_RXDLYEN = 0b0,
i_RXDLYOVRDEN = 0b0,
i_RXDLYSRESET = 0b0,
i_RXELECIDLEMODE = 0b11,
i_RXGEARBOXSLIP = 0b0,
i_RXLATCLK = 0b0,
i_RXLPMEN = 0b1,
i_RXLPMGCHOLD = 0b0,
i_RXLPMGCOVRDEN = 0b0,
i_RXLPMHFHOLD = 0b0,
i_RXLPMHFOVRDEN = 0b0,
i_RXLPMLFHOLD = 0b0,
i_RXLPMLFKLOVRDEN = 0b0,
i_RXLPMOSHOLD = 0b0,
i_RXLPMOSOVRDEN = 0b0,
i_RXMCOMMAALIGNEN = 0b0,
i_RXMONITORSEL = 0b00,
i_RXOOBRESET = 0b0,
i_RXOSCALRESET = 0b0,
i_RXOSHOLD = 0b0,
i_RXOSINTCFG = 0b1101,
i_RXOSINTEN = 0b1,
i_RXOSINTHOLD = 0b0,
i_RXOSINTOVRDEN = 0b0,
i_RXOSINTSTROBE = 0b0,
i_RXOSINTTESTOVRDEN = 0b0,
i_RXOSOVRDEN = 0b0,
i_RXOUTCLKSEL = 0b101,
i_RXPCOMMAALIGNEN = 0b0,
i_RXPCSRESET = 0b0,
i_RXPD = 0b00,
i_RXPHALIGNEN = 0b0,
i_RXPHALIGN = 0b0,
i_RXPHDLYPD = 0b1,
i_RXPHDLYRESET = 0b0,
i_RXPHOVRDEN = 0b0,
i_RXPLLCLKSEL = 0b00,
i_RXPMARESET = 0b0,
i_RXPOLARITY = 0b0,
i_RXPRBSCNTRESET = 0b0,
i_RXPRBSSEL = 0b0000,
i_RXPROGDIVRESET = 0b0,
i_RXQPIEN = 0b0,
i_RXRATEMODE = 0b0,
i_RXRATE = 0b000,
i_RXSLIDE = 0b0,
i_RXSLIPOUTCLK = 0b0,
i_RXSLIPPMA = 0b0,
i_RXSYNCALLIN = 0b0,
i_RXSYNCIN = 0b0,
i_RXSYNCMODE = 0b0,
i_RXSYSCLKSEL = 0b00,
i_RXUSERRDY = 0b1,
i_RXUSRCLK2 = ClockSignal("eth_rx_half"),
i_RXUSRCLK = ClockSignal("eth_rx_half"),
#i_SATA_BURST = 0b100,
#i_SATA_EIDLE = 0b100,
i_SIGVALIDCLK = 0b0,
i_TSTIN = 0b00000000000000000000,
i_TX8B10BBYPASS = 0b00000000,
i_TX8B10BEN = 0b0,
i_TXBUFDIFFCTRL = 0b000,
i_TXCOMINIT = 0b0,
i_TXCOMSAS = 0b0,
i_TXCOMWAKE = 0b0,
i_TXCTRL0 = Cat(*[tx_data[10*i+8] for i in range(2)]),
i_TXCTRL1 = Cat(*[tx_data[10*i+9] for i in range(2)]),
i_TXCTRL2 = 0b00000000,
i_TXDATAEXTENDRSVD = 0b00000000,
i_TXDATA = Cat(*[tx_data[10*i:10*i+8] for i in range(2)]),
i_TXDEEMPH = 0b0,
i_TXDETECTRX = 0b0,
i_TXDIFFCTRL = 0b1100,
i_TXDIFFPD = 0b0,
i_TXDLYBYPASS = 0b1,
i_TXDLYEN = 0b0,
i_TXDLYHOLD = 0b0,
i_TXDLYOVRDEN = 0b0,
i_TXDLYSRESET = 0b0,
i_TXDLYUPDOWN = 0b0,
i_TXELECIDLE = 0b0,
i_TXHEADER = 0b000000,
i_TXINHIBIT = 0b0,
i_TXLATCLK = 0b0,
i_TXMAINCURSOR = 0b1000000,
i_TXMARGIN = 0b000,
i_TXOUTCLKSEL = 0b101,
i_TXPCSRESET = 0b0,
i_TXPDELECIDLEMODE = 0b0,
i_TXPD = 0b00,
i_TXPHALIGNEN = 0b0,
i_TXPHALIGN = 0b0,
i_TXPHDLYPD = 0b1,
i_TXPHDLYRESET = 0b0,
i_TXPHDLYTSTCLK = 0b0,
i_TXPHINIT = 0b0,
i_TXPHOVRDEN = 0b0,
i_TXPIPPMEN = 0b0,
i_TXPIPPMOVRDEN = 0b0,
i_TXPIPPMPD = 0b0,
i_TXPIPPMSEL = 0b0,
i_TXPIPPMSTEPSIZE = 0b00000,
i_TXPISOPD = 0b0,
i_TXPLLCLKSEL = 0b00,
i_TXPMARESET = 0b0,
i_TXPOLARITY = 0b0,
i_TXPOSTCURSORINV = 0b0,
i_TXPOSTCURSOR = 0b00000,
i_TXPRBSFORCEERR = 0b0,
i_TXPRBSSEL = 0b0000,
i_TXPRECURSORINV = 0b0,
i_TXPRECURSOR = 0b00000,
i_TXPROGDIVRESET = 0b0,
i_TXQPIBIASEN = 0b0,
i_TXQPISTRONGPDOWN = 0b0,
i_TXQPIWEAKPUP = 0b0,
i_TXRATEMODE = 0b0,
i_TXRATE = 0b000,
i_TXSEQUENCE = 0b0000000,
i_TXSWING = 0b0,
i_TXSYNCALLIN = 0b0,
i_TXSYNCIN = 0b0,
i_TXSYNCMODE = 0b0,
i_TXSYSCLKSEL = 0b00,
i_TXUSERRDY = 0b1,
i_TXUSRCLK2 = ClockSignal("eth_tx_half"),
i_TXUSRCLK = ClockSignal("eth_tx_half"),
)
gth_params.update(
o_BUFGTCE = Open(),
o_BUFGTCEMASK = Open(),
o_BUFGTDIV = Open(),
o_BUFGTRESET = Open(),
o_BUFGTRSTMASK = Open(),
o_CPLLFBCLKLOST = Open(),
o_CPLLLOCK = pll_locked,
o_CPLLREFCLKLOST = Open(),
o_DMONITOROUT = Open(),
o_DRPDO = Open(),
o_DRPRDY = Open(),
o_EYESCANDATAERROR = Open(),
o_GTHTXN = data_pads.txn,
o_GTHTXP = data_pads.txp,
o_GTPOWERGOOD = gtpowergood,
o_GTREFCLKMONITOR = Open(),
o_PCIERATEGEN3 = Open(),
o_PCIERATEIDLE = Open(),
o_PCIERATEQPLLPD = Open(),
o_PCIERATEQPLLRESET = Open(),
o_PCIESYNCTXSYNCDONE = Open(),
o_PCIEUSERGEN3RDY = Open(),
o_PCIEUSERPHYSTATUSRST = Open(),
o_PCIEUSERRATESTART = Open(),
o_PCSRSVDOUT = Open(),
o_PHYSTATUS = Open(),
o_PINRSRVDAS = Open(),
o_RESETEXCEPTION = Open(),
o_RXBUFSTATUS = Open(),
o_RXBYTEISALIGNED = Open(),
o_RXBYTEREALIGN = Open(),
o_RXCDRLOCK = Open(),
o_RXCDRPHDONE = Open(),
o_RXCHANBONDSEQ = Open(),
o_RXCHANISALIGNED = Open(),
o_RXCHANREALIGN = Open(),
o_RXCHBONDO = Open(),
o_RXCLKCORCNT = Open(),
o_RXCOMINITDET = Open(),
o_RXCOMMADET = Open(),
o_RXCOMSASDET = Open(),
o_RXCOMWAKEDET = Open(),
o_RXCTRL0 = Cat(*[rx_data[10*i+8] for i in range(2)]),
o_RXCTRL1 = Cat(*[rx_data[10*i+9] for i in range(2)]),
o_RXCTRL2 = Open(),
o_RXCTRL3 = Open(),
o_RXDATA = Cat(*[rx_data[10*i:10*i+8] for i in range(2)]),
o_RXDATAEXTENDRSVD = Open(),
o_RXDATAVALID = Open(),
o_RXDLYSRESETDONE = Open(),
o_RXELECIDLE = Open(),
o_RXHEADER = Open(),
o_RXHEADERVALID = Open(),
o_RXMONITOROUT = Open(),
o_RXOSINTDONE = Open(),
o_RXOSINTSTARTED = Open(),
o_RXOSINTSTROBEDONE = Open(),
o_RXOSINTSTROBESTARTED = Open(),
o_RXOUTCLK = self.rxoutclk,
o_RXOUTCLKFABRIC = Open(),
o_RXOUTCLKPCS = Open(),
o_RXPHALIGNDONE = Open(),
o_RXPHALIGNERR = Open(),
o_RXPMARESETDONE = Open(),
o_RXPRBSERR = Open(),
o_RXPRBSLOCKED = Open(),
o_RXPRGDIVRESETDONE = Open(),
o_RXQPISENN = Open(),
o_RXQPISENP = Open(),
o_RXRATEDONE = Open(),
o_RXRECCLKOUT = Open(),
o_RXRESETDONE = rx_reset_done,
o_RXSLIDERDY = Open(),
o_RXSLIPDONE = Open(),
o_RXSLIPOUTCLKRDY = Open(),
o_RXSLIPPMARDY = Open(),
o_RXSTARTOFSEQ = Open(),
o_RXSTATUS = Open(),
o_RXSYNCDONE = Open(),
o_RXSYNCOUT = Open(),
o_RXVALID = Open(),
o_TXBUFSTATUS = Open(),
o_TXCOMFINISH = Open(),
o_TXDLYSRESETDONE = Open(),
o_TXOUTCLK = self.txoutclk,
o_TXOUTCLKFABRIC = Open(),
o_TXOUTCLKPCS = Open(),
o_TXPHALIGNDONE = Open(),
o_TXPHINITDONE = Open(),
o_TXPMARESETDONE = Open(),
o_TXPRGDIVRESETDONE = Open(),
o_TXQPISENN = Open(),
o_TXQPISENP = Open(),
o_TXRATEDONE = Open(),
o_TXRESETDONE = tx_reset_done,
o_TXSYNCDONE = Open(),
o_TXSYNCOUT = Open(),
)
tx_bufg_gt_ce = Signal()
tx_bufg_gt_clr = Signal()
rx_bufg_gt_ce = Signal()
rx_bufg_gt_clr = Signal()
self.specials += [
Instance("GTHE3_CHANNEL", **gth_params),
Instance("BUFG_GT",
i_DIV = 0,
i_I = self.txoutclk,
o_O = self.cd_eth_tx.clk,
),
Instance("BUFG_GT",
i_DIV = 1,
i_I = self.txoutclk,
o_O = self.cd_eth_tx_half.clk,
),
Instance("BUFG_GT",
i_DIV = 0,
i_I = self.rxoutclk,
o_O = self.cd_eth_rx.clk,
),
Instance("BUFG_GT",
i_DIV = 1,
i_I = self.rxoutclk,
o_O = self.cd_eth_rx_half.clk,
),
AsyncResetSynchronizer(self.cd_eth_tx, ~tx_reset_done),
AsyncResetSynchronizer(self.cd_eth_rx, ~rx_reset_done),
]
# Transceiver reset
pll_reset_cycles = round(300000*sys_clk_freq//1000000000)
reset_counter = Signal(max=pll_reset_cycles+1)
self.sync += [
If(~gtpowergood,
pll_reset.eq(1),
reset_counter.eq(0)
).Else(
If(reset_counter == pll_reset_cycles,
pll_reset.eq(0)
).Else(
reset_counter.eq(reset_counter + 1)
)
)
]
self.comb += [
tx_reset.eq(pll_reset | ~pll_locked),
rx_reset.eq(pll_reset | ~pll_locked | pcs.restart)
]
# Gearbox and PCS connection
gearbox = Gearbox()
self.submodules += gearbox
self.comb += [
tx_data.eq(gearbox.tx_data_half),
gearbox.rx_data_half.eq(rx_data),
gearbox.tx_data.eq(pcs.tbi_tx),
pcs.tbi_rx.eq(gearbox.rx_data)
]
Reference in a new issue View git blame Copy permalink