NXP Semiconductors LX2160ARDBGSG User manual

1 Introduction

The Layerscape® LX2160A reference design board (RDB) provides a

comprehensive platform that enables design and evaluation of the Layerscape

LX2160A processor.

The LX2160ARDB functions with an integrated development environment

(IDE), such as CodeWarrior Development Studio. For instructions on how

to work with the CodeWarrior Development Studio IDE, see CodeWarrior

Development Studio for LS series - ARM V8 ISA, Targeting Manual.

This document provides details of different board interfaces and explains how

to set up and boot the board.

2 Related documentation

The table below lists and explains the additional documents and resources that you can refer to for more information on the

LX2160ARDB. Some of the documents listed below may be available only under a non-disclosure agreement (NDA). To request

access to these documents, contact your local NXP field applications engineer (FAE) or sales representative.

Table 1. Related documentation

Document Description Link / how to access

LX2160A Reference Design Board

Reference Manual

Provides detailed description of the LX2160ARDB LX2160ARDBRM.pdf

LX2160A Reference Design Board

Errata

Describes known errata and workarounds for the

LX2160ARDB

LX2160ARDBE.pdf

LX2160A Product Brief Provides a brief overview of the LX2160A processor LX2160APB.pdf

LX2160A Data Sheet Provides information about electrical characteristics,

hardware design considerations, and ordering information

LX2160A.pdf

LX2160A Reference Manual Provides a detailed description about the LX2160A multicore

processor and its features, such as memory map, serial

interfaces, power supply, chip features, and clock information

LX2160ARM.pdf

LX2160A Chip Errata Lists the details of all known silicon errata for the LX2160A Contact NXP FAE /

sales representative

LX2160A Design Checklist, AN5407 This document provides recommendations for new designs

based on the LX2160A. This document can also be used to

debug newly designed systems by highlighting those aspects

of a design that merit special attention during initial system

start-up.

AN5407.pdf

Table continues on the next page...

Contents

1 Introduction......................................1

2 Related documentation................... 1

3 Hardware kit contents......................2

4 Chassis and board pictures.............3

5 Power and reset buttons................. 6

6 Connectors......................................6

7 Jumpers...........................................8

8 DIP switches..................................10

9 LEDs..............................................13

10 Getting started with LX2160ARDB

...................................................... 16

11 Troubleshooting............................ 22

12 Revision history.............................22

LX2160ARDBGSG

LX2160A Reference Design Board Getting Started Guide

Supports LX2160ARDB, Board Revisions B and C

Rev. 5 — 28 September 2021 User Guide

Table 1. Related documentation (continued)

Document Description Link / how to access

Layerscape Software Development

Kit User Guide

Describes how to work with LSDK, which is a complete Linux

kit for NXP Layerscape Arm-based SoCs and the reference

and evaluation boards available for them.

LSDKUG.pdf

CodeWarrior Development Studio

for LS series - ARM V8 ISA,

Targeting Manual

Explains how to use the CodeWarrior Development Studio for

LS series - ARM V8 ISA product.

CWARMv8TM.pdf

CodeWarrior TAP Probe User

Guide

Provides details of CodeWarrior® TAP, which enables target

system debugging through a standard debug port (usually

JTAG) while connected to a developer workstation through

Ethernet or USB

CWTAPUG.pdf

3 Hardware kit contents

The table below lists the items included in the LX2160ARDB hardware kit.

Table 2. Hardware kit contents

Item description Quantity

LX2160ARDB hardware assembly with enclosure 1

3-conductor power cord 1

DB9 shielded serial cable 1

1.8 meter Cat-6 Ethernet cable 1

32 GB SD card, Samsung MB-ME32GA/AM (UHS-I) 1

Zip lock bag containing 1U chassis bracket (2 pieces) + screw (8 pieces) 1

LX2160ARDB insert card 1

Apart from the main LX2160ARDB kit, two optional kits are also available for purchase at nxp.com:

•LX2RDBKIT1-10-40: Contains transceivers and cables recommended to be used for testing 10/40 Gigabit Ethernet

performance on the LX2160ARDB

• LX2RDBKIT2-25G: Contains transceivers and cables recommended to be used for testing 25 Gigabit Ethernet

performance on the LX2160ARDB

The table below describes the items included in the LX2RDBKIT1-10-40 kit.

Table 3. LX2RDBKIT1-10-40 kit contents

Item description Manufacturer Manufacturing part

number

For port/slot Quantity

Cat-6 Ethernet cable, 6

ft length, orange

10X8-03106 10G MAC3/4 2

40G-BASE-SR4

QSFP+ optical

transceiver module, 40

Gbit/s multi-mode, 850

Mellanox Technologies MC2210411-SR4 40G MAC2 1

Table continues on the next page...

NXP Semiconductors

Hardware kit contents

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Table 3. LX2RDBKIT1-10-40 kit contents (continued)

Item description Manufacturer Manufacturing part

number

For port/slot Quantity

nm wavelength, 150 m

maximum reach

QSFP+ LAN optical

cable, multi-mode,

OM3 50/125, MPO

connector, 3 m length

12FMPOOM3 - 66239 40G MAC2 1

Samsung 32 GB (U1)

EVO select micro-SD

card with adapter

Samsung MB-ME32GA/AM SD card 1

The table below describes the items included in the LX2RDBKIT2-25G kit.

Table 4. LX2RDBKIT2-25G kit contents

Item description Manufacturer Manufacturing part

number

For port/slot Quantity

SFP-25G-SR optical

transceiver module, 25

Gbit/s multi-mode, 850

nm wavelength, 100 m

maximum reach

Mellanox Technologies MMA2P00-AS 25G MAC5/6 1

LAN optical cable,

multi-mode, OM3

50/125, LC duplex

connector, 3 m length

OM3-LC-LC-DX-

FS-3M-PVC - 41728

25G MAC5/6 1

4 Chassis and board pictures

This section provides labelled images of the LX2160ARDB chassis and board for easy identification of different board

components. The board components marked with labels are described in the subsequent sections.

The figure below shows the front side view of the LX2160ARDB chassis.

Power button

Reset button

Ethernet ports

Figure 1. LX2160ARDB chassis

The figure below shows the back panel of the LX2160ARDB chassis.

NXP Semiconductors

Chassis and board pictures

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User Guide 3 / 24

Power jack

Figure 2. Chassis back panel

The figure below shows the onboard connectors of the LX2160ARDB.

J4 J32

J30

J42

J13

J28

J14

J48

BT1

J29

J26 J27

J25 J24

J46

J40

J43

J37

J21

J19 J18

J23

J53

J11

J47

J22

J44 J54 J34

J36

J55

J35 J10

J15

J17

J16

J41 J38J39

Figure 3. Connectors

The figure below shows the jumpers, LEDs, and DIP switches available on the LX2160ARDB.

NXP Semiconductors

Chassis and board pictures

LX2160A Reference Design Board Getting Started Guide, Rev. 5, 28 September 2021

User Guide 4 / 24

J33

J31

D11 D10

D39-D28

D44-D45

D43-D42

D27-D24

D41

D23-D18

SW4-SW1

D13

Figure 4. Jumpers, LEDs, and DIP switches

The figure below shows a closer look of the DIP switches.

SW1 SW2 SW3 SW4

Figure 5. DIP switches

NXP Semiconductors

Chassis and board pictures

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5 Power and reset buttons

The power and reset buttons are present on the front panel of the LX2160ARDB chassis (see Figure 1). Both power and reset

buttons are push buttons. The table below describes the power and reset buttons.

Table 5. Power and reset buttons

Identifier Label Function Description

SW5 PWR Power cycle Pressing SW5 turns the power ON or OFF

SW7 RST System reset Pressing SW7 resets the system, including the device and all the

attached peripherals

You cannot switch off the board completely when the SW_AUTO_ON switch (SW4[2]) is set to ON/1. In this mode, pressing the

power switch turns the power off briefly, then it immediately turns back on. To turn off power, set the SW_AUTO_ON switch to

OFF/0 or disconnect the AC power.

To avoid any damage to SDHC1 port pins due to a silicon erratum, follow these recommendations:

•Always use the power button on the front panel to power down the system. Do not power down the system by unplugging

the power adapter.

• Before removing AC power to power cycle the system:

— Insert an SDHC card in the SDHC card slot

— Allow Linux to boot and configure EVDD to 1.8 V

6 Connectors

The LX2160ARDB has numerous onboard connectors (see Figure 3). The table below describes the LX2160ARDB connectors.

Table 6. LX2160ARDB connectors

Connector Connector type Description Typical connection

BT1 3-pin battery holder RTC battery Connects to 3 V standby CR2032 lithium coin

cell battery

J1 2x4-pin ATX 12 V

connector

12 V ATX power supply Connects to the ATX power supply; both

connections are required

J2 2x12-pin ATX connector Main ATX power supply

J3 1x2-pin header Remote power Connects to remote power switch

J4 1x2-pin header Remote reset Connects to remote reset switch

J5 2x6-pin header VDD_DEBUG Connects to Analog Devices PMBus

monitoring tool (not included in the hardware

kit)

J47 1x2-pin connector VDD measurement Allows remote measurement of VDD

J48 1x2-pin connector GVDD measurement Allows remote measurement of GVDD

J11 2x5-pin Arm JTAG header Arm JTAG Connects to CodeWarrior TAP using a 10-pin

cable

J53 2x5-pin header CPLD JTAG Connects to JTAG interface for CPLD

programming

Table continues on the next page...

NXP Semiconductors

Power and reset buttons

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User Guide 6 / 24

Table 6. LX2160ARDB connectors (continued)

Connector Connector type Description Typical connection

J18 QSFP+ cage 40G MAC2: 40 Gbit

Ethernet

Accepts one zQSFP+ transceiver (optical or

copper) (not included in the hardware kit)

J19 SFP cage (2) 25G MAC5/6: 25 Gbit

Ethernet

Accepts two SFP+ transceivers (optical or

copper) (not included in the hardware kit)

J21 RJ45-19 connector 10G MAC3: 10 Gbit

USXGMII

Connects to external RJ45 Ethernet cable

J22 RJ45-19 connector 10G MAC4: 10 Gbit

USXGMII

Connects to external RJ45 Ethernet cable

P1 RJ45 connector (2) 1G MAC17/18: 1

Gbit RGMII

•1G MAC17 (bottom)

• 1G MAC18 (top)

Connects to external RJ45 Ethernet cable

J45 (board revision

1x3-pin connector 40G interface

programming

Provides direct access to CS4223 data

EEPROM for programming purposes

P2 DB9 connector (2) UART1 (bottom)

UART2 (top)

Connects to external RS-232 cable

P3 DB9 connector (2) CAN1 (bottom)

CAN2 (top)

Connects to external CAN adapter cable

J23 PCIe Gen 3 x4 connector PCI Express slot #1 Connector for Gen 1/2/3 PCIe cards, or right-

angle/low-profile chassis adapter accepting

Gen 1/2 cards

J28 PCIe Gen 3 x8 connector PCI Express slot #2 Connector for Gen 1/2/3 PCIe cards

J24 SATA-3 header SATA1 Connector for user-supplied SATA disk

J25 SATA-3 header SATA2 Connector for user-supplied SATA disk

J26 SATA-3 header SATA3 Connector for user-supplied SATA disk

J27 SATA-3 header SATA4 Connector for user-supplied SATA disk

J30 USB 3.0 Type-A

connector

USB1 (Host mode by

default)

Connects to USB-compatible device

J32 USB 3.0 Micro-AB

connector

USB2 (OTG mode by

default)

Connects to USB-compatible device

J42 SD card receptacle SD card slot Provides access to an SDHC/SDXC card

J13 2x10-pin connector QSPI emulator Connects to DediProg EM100Pro QSPI

emulator using a sideband cable (ISP-ADP-

intel-B)

J46 1x2-pin connector QSPI emulator reset Allows system reset to be triggered by

DediProg EM100Pro emulator using the ISP-

ADP-intel-B cable

Table continues on the next page...

NXP Semiconductors

Connectors

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User Guide 7 / 24

Table 6. LX2160ARDB connectors (continued)

Connector Connector type Description Typical connection

J34 1x3-pin header I2C1 Provides remote access to I2C1 bus

J36 1x3-pin header I2C1_CH0 Provides remote access to I2C1 channel 0

segment

J55 1x3-pin header I2C1_CH1 Provides remote access to I2C1 channel 1

segment

J37 1x3-pin header I2C1_CH3 Provides remote access to I2C1 channel 3

segment

J35 1x3-pin header I2C5 Provides remote access to I2C5 bus

J43 1x3-pin header I2C6 Provides remote access to I2C6 bus

J10 1x5-pin header GPIO/event access Provides access to GPIO/event pins

J38 1x4 connector Fan #1 (placed near

bottom of PCB)

Provides PWM-controlled 12 V power for

cooling fans

J39 1x4 connector Fan #2 (placed near

bottom of PCB)

J41 1x4 connector Fan #4 (placed near

bottom of PCB)

J40 1x4 connector Fan #3 (placed near

bottom of PCB)

J44 1x4 connector Fan #5 (placed near top of

PCB)

J54 1x3 connector Heatsink fan (placed near

Fan #5)

J29 2x6-pin header 1588 test Provides access to IEEE 1588 pins

J50 (board revision

Subminiature version A

(SMA) coaxial connector

SMA #1 Provides access to recovered IEEE-1588

clock. J50 is not installed, by default.

J52 (board revision

SMA coaxial connector SMA #2 J52 is not installed, by default

J14 288-pin DDR4 UDIMM

socket

DDR4#1 DIMM#1 Single/dual rank UDIMM inserted

J15 288-pin DDR4 UDIMM

socket

DDR4#1 DIMM#2 Single/dual rank UDIMM (optional)

J17 288-pin DDR4 UDIMM

socket

DDR4#2 DIMM#1 Single/dual rank UDIMM inserted

J16 288-pin DDR4 UDIMM

socket

DDR4#2 DIMM#2 Single/dual rank UDIMM (optional)

7 Jumpers

Jumpers (or shorting headers) are used to select some options that either do not change often or involve power conduction. The

LX2160ARDB jumpers are shown in Figure 4 and are described in the table below.

NXP Semiconductors

Jumpers

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User Guide 8 / 24

Table 7. LX2160ARDB jumpers

Jumper Type Name/function Description

J6 1x2-pin connector TA_BB_TMP_DETECT_B enable Open: TA_BB_TMP_DETECT_B pin

is grounded

Shorted: TA_BB_TMP_DETECT_B pin is

powered (default setting)

J7 1x2-pin connector VBAT power for TA_BB_VDD

enable

Not supported. Do not install J7. See

LX2160A

Reference Design Board Errata

for more

details.

J8 1x2-pin connector PROG_MTR voltage control (for

NXP use only)

Open: PROG_MTR pin is powered off

(default setting)

Shorted: PROG_MTR pin is powered by OVDD

(1.8 V)

J9 1x2-pin connector TA_PROG_SFP voltage control

(for NXP use only)

Open: TA_PROG_SFP pin is powered off

(default setting)

Shorted: TA_PROG_SFP pin is powered by

OVDD (1.8 V)

J31 1x2-pin connector USB1 mode setting Open: USB1 works in Endpoint mode

Shorted: USB1 works in Host mode

(default setting)

J33 1x2-pin connector USB2 mode setting Open: USB2 works in On-The-Go (OTG) mode

(default setting)

Shorted: USB2 works in Host mode

J56 (board

revision B)

2x3-pin connector Inphi CS4223 GUI access Normal mode (default setting):

• J56, pins 1-2: Shorted

• J56, pins 5-6: Shorted

• J57: Open

GUI mode:

• J56, pins 1-2: Open

• J56, pins 5-6: Open

• J57: Shorted

After switching to GUI mode, connect a

BeagleBone and a 3.3 V - 1.8 V level shifter

to J56 at pins 1-3-5.

J57 (board

revision B)

1x2-pin connector

J58 (board

revision B)

1x2-pin connector PWM fan speed control Open: 100% speed

Shorted: 50% speed (default setting)

Most of these jumpers are installed during assembly, and they do not require any change.

NOTE

NXP Semiconductors

Jumpers

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User Guide 9 / 24

8 DIP switches

The LX2160ARDB provides dual inline package (DIP) switches to allow easy configuration of the system for the most popular

board options. These switches are stored in BRDCFG and DUTCFG registers by CPLD before being used, allowing software

(either local or remote) to reconfigure the system as needed.

The table below explains the DIP switches available in the LX2160ARDB. For each DIP switch:

•If the switch is up (on), the value is 1

• If the switch is down (off), the value is 0

Table 8. Switch settings

Switch Supported function Description

SW1[1:4] RCW fetch location

CFG_RCW_SRC[3:0]

SW_RCW_SRC[3:0]

•0000: Hard-coded RCW

• 1000: SDHC1: SD card

• 1001: SDHC2: eMMC

• 1010: I2C boot EEPROM

• 1100: XSPI sNAND, 2 KB pages

• 1101: XSPI sNAND, 4 KB pages

• 1111: XSPI serial NOR, 24-bit address (default setting)

SW1[5] Reset mode

RESET_REQ_B

SW_RST_MODE

• 0: Ignore RESET_REQ_B

• 1: Trigger system reset on assertion of RESET_REQ_B (default setting)

SW1[6:8] XSPI_A device mapping

CFG_XSPI_MAP[3:0]

SW_XMAP[2:0]: Controls how XSPI_A chip-selects are connected to

devices/peripherals.

Bit value XSPI_A_CS0 XSPI_A_CS1 Description

000 (default

setting)

DEV#0 DEV#1 Boot from default

flash memory

001 DEV#1 DEV#0 Boot from

alternative flash

memory

010 QSPI emulator DEV#0 Boot from QSPI

emulator

011 QSPI emulator DEV#1 Boot from QSPI

emulator

100 DEV#0 QSPI emulator User defined

SW2[1] PCIe Spread-Spectrum

enable

CFG_SPREAD

SW_SPREAD

•0: 100 MHz clocks for PCIe slots are fixed (default setting)

• 1: 100 MHz clocks for PCIe slots are spread-spectrum modulated

Table continues on the next page...

NXP Semiconductors

DIP switches

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User Guide 10 / 24

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