Entity: Sgmii88E1111LvdsUltraScale

Diagram

time TPD_G real STABLE_CLK_FREQ_G boolean USE_BUFG_DIV_G real CLKOUT1_PHASE_G natural range 0 to 31 PHY_G AxiStreamConfigType AXIS_CONFIG_G sl extRst sl stableClk slv(47 downto 0) localMac sl macClk sl macRst AxiStreamSlaveType obMacSlave AxiStreamMasterType ibMacMaster sl phyClkP sl phyClkN sl phyIrqN sl sgmiiRxP sl sgmiiRxN sl phyClk sl phyRst sl phyReady sl linkUp sl speed10 sl speed100 sl speed1000 AxiStreamMasterType obMacMaster AxiStreamSlaveType ibMacSlave sl phyMdc sl phyMdio sl phyRstN sl sgmiiTxP sl sgmiiTxN

Description

Company : SLAC National Accelerator Laboratory

Description: Wrapper for Marvell 88E1111 PHY + GigEthLvdsUltraScaleWrapper

This file is part of 'SLAC Firmware Standard Library'. It is subject to the license terms in the LICENSE.txt file found in the top-level directory of this distribution and at: https://confluence.slac.stanford.edu/display/ppareg/LICENSE.html. No part of 'SLAC Firmware Standard Library', including this file, may be copied, modified, propagated, or distributed except according to

the terms contained in the LICENSE.txt file.

Generics

Generic name Type Value Description
TPD_G time 1 ns
STABLE_CLK_FREQ_G real 156.25E+6
USE_BUFG_DIV_G boolean false
CLKOUT1_PHASE_G real 90.0
PHY_G natural range 0 to 31 7
AXIS_CONFIG_G AxiStreamConfigType EMAC_AXIS_CONFIG_C

Ports

Port name Direction Type Description
extRst in sl active high
stableClk in sl Stable clock reference
phyClk out sl
phyRst out sl
localMac in slv(47 downto 0) big-Endian configuration
phyReady out sl
linkUp out sl
speed10 out sl
speed100 out sl
speed1000 out sl
macClk in sl Interface to Ethernet Media Access Controller (MAC)
macRst in sl
obMacMaster out AxiStreamMasterType
obMacSlave in AxiStreamSlaveType
ibMacMaster in AxiStreamMasterType
ibMacSlave out AxiStreamSlaveType
phyClkP in sl 625.0 MHz
phyClkN in sl
phyMdc out sl
phyMdio inout sl
phyRstN out sl active low
phyIrqN in sl active low
sgmiiRxP in sl LVDS SGMII Ports
sgmiiRxN in sl
sgmiiTxP out sl
sgmiiTxN out sl

Signals

Name Type Description
phyClock sl
phyReset sl
phyInitRst sl
phyIrq sl
phyMdi sl
phyMdo sl
extPhyRstN sl
extPhyReady sl
sp10_100 sl
sp100 sl
initDone sl

Instantiations

Description

We must hold reset for >10ms and then wait >5ms until we may talk

to it (we actually wait also >10ms) which is indicated by 'extPhyReady'

Description

The MDIO controller which talks to the external PHY must be held

in reset until extPhyReady; it works in a different clock domain…

Description

The SaltCore does not support auto-negotiation on the SGMII link
(mac<->phy) - however, the Marvell PHY (by default) assumes it does.
We need to disable auto-negotiation in the PHY on the SGMII side
and handle link changes (aneg still enabled on copper) flagged

by the PHY…

Description

synchronize MDI and IRQ signals into 'clk' domain