GATEWORKS GW2348-4 Manuel utilisateur

AVILA

NETWORK COMPUTER

Operating Manual

For

GW2348-4 Network Processor

Document #10000545

Revision 00

14 February 2006

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TABLE OF CONTENTS

1. INTRODUCTION............................................................................................................................... 4

1.1. Product Description.................................................................................................................... 4

1.2. Standard Features....................................................................................................................... 4

1.3. Ordering Options – Standard Configuration* ............................................................................ 4

1.4. Functional Blocks........................................................................................................................ 5

Processor............................................................................................................................................... 6

SDRAM................................................................................................................................................ 6

Flash...................................................................................................................................................... 6

Compact Flash ...................................................................................................................................... 7

Mini-PCI Sockets.................................................................................................................................. 7

Ethernet................................................................................................................................................. 7

EEPROM.............................................................................................................................................. 7

Real Time Clock................................................................................................................................... 7

Temperature and Voltage Monitor........................................................................................................ 8

Fan Speed Controller ............................................................................................................................ 8

Serial I/O............................................................................................................................................... 8

Digital I/O............................................................................................................................................. 8

USB....................................................................................................................................................... 8

JTAG Programming Port...................................................................................................................... 9

Status LED and Push Button Reset....................................................................................................... 9

DC/DC Converter ................................................................................................................................. 9

2. CONFIGURATION AND INSTALLATION................................................................................. 10

2.1. Memory Mapping...................................................................................................................... 10

2.2. PCI Device Mapping................................................................................................................. 11

2.3. Interrupt Mapping..................................................................................................................... 11

2.4. Digital I/O Mapping.................................................................................................................. 12

2.5. Interface Connectors................................................................................................................. 13

Mini-PCI Sockets (J1, J2, J3, J4)........................................................................................................ 15

Compact Flash Socket (J5) ................................................................................................................. 17

COM2 Serial Port Header (J6)............................................................................................................ 18

JTAG Port Header (J7) ....................................................................................................................... 18

Digital I/O Header (J8) ....................................................................................................................... 18

Power Connector (J9) ......................................................................................................................... 19

Ethernet Connectors (J10, J11)........................................................................................................... 19

COM1 Serial Port Connector (J13)..................................................................................................... 20

Fan Controller (J14)............................................................................................................................ 20

Optional Dual USB Host Connector (J18)..........................................................................................21

2.6. Input Voltage Selection.............................................................................................................. 21

2.7. JTAG Programming.................................................................................................................. 21

2.8. Getting Started .......................................................................................................................... 22

2.9. Manufactures Website Links / Support Mailing List ................................................................. 22

Hardware............................................................................................................................................. 23

Software.............................................................................................................................................. 23

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3. SPECIFICATIONS........................................................................................................................... 24

3.1. Electrical................................................................................................................................... 24

3.2. Mechanical................................................................................................................................ 24

3.3. Environmental........................................................................................................................... 24

4. CUSTOMER SUPPORT.................................................................................................................. 25

4.1. Product Revision History .......................................................................................................... 25

4.2. Technical Assistance ................................................................................................................. 25

4.3. Warranty.................................................................................................................................... 25

4.4. Return for Repair....................................................................................................................... 25

4.5. Life Support Policy.................................................................................................................... 26

4.6. Trademarks................................................................................................................................ 26

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1.INTRODUCTION

1.1. Product Description

The GW2348-4 is a member of the Gateworks Avila Network Processor family.

The GW2348-4 meets the requirements for enterprise and residential network

applications. This single board network processor consists of an IntelIXP425

XScaleprocessor operating at 533MHz, 64Mbytes of SDRAM, and 16Mbytes of

Flash. Peripherals include four Type III Mini-PCI slots, two 10/100 Base-TX

Ethernet channels, Compact Flash socket, and two RS232 serial ports for

management and debug. Additional features include serial EEPROM, real time

clock, voltage and temperature monitor, fan controller, watchdog timer, passive

power over Ethernet, digital I/O, wide range DC/DC power supply, and extended

temperature operation. An optional high-speed USB host controller is also

available. Software support includes Linux and VxWorksoperating systems.

1.2. Standard Features

 IntelXScaleIXP425 533MHz Processor

 64Mbytes SDRAM

 16Mbytes Flash

 Four Type III Mini-PCI Sockets

 Two 10/100 Base-TX Ethernet Ports

 Compact Flash Socket

 Two RS-232 Serial Ports

 General Purpose Digital I/O

 1Kbyte Serial EEPROM

 Battery Powered Real Time Clock

 Voltage and Temperature Monitor

 Thermally Activated Fan Controller

 Watchdog Timer

 User LED and Push Button Reset

 Optional High-speed USB Host Controller

 Passive Power Over Ethernet

 Reverse Voltage and Transient Protection

 9-48VDC Input Voltage Range

 18W available for Mini-PCI Sockets

 5W Typical Operating Power

 -40C to 85C Operating Temperature

 Software Support for Linux and VxWorks

 1 Year Warranty

1.3. Ordering Options – Standard Configuration*

Order Code Processor SDRAM Flash Mini-PCI Operating Temp.

GW2348-4 IXP425 @ 533MHz 64Mbytes 16Mbytes 4 -40C to 85C

* Contact factory for different configurations of CPU, DRAM, Flash, and support peripherals

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1.4. Functional Blocks

The functional block diagram for the GW2348-4 network processor is shown

below followed by a detailed description of each major functional block.

ETHERNET

10/100 PHY

ETHERNET

10/100 PHY

SDRAM

64Mbytes

MINI-PCI

SOCKET

MINI-PCI

SOCKET

JTAG

POWER

STATUS LED

XSCALE

PROCESSOR

IXP425@533MHZ

FLASH

16Mbytes

MINI-PCI

SOCKET

MINI-PCI

SOCKET

RS232

DIO

COMPACT

FLASH

SOCKET

RS-232

SERIAL EEPROM

REAL TIME CLOCK

SYSTEM MONITOR

FAN CONTROLLER

DC/DC

CONVERTER

9-48V@23W

GW2348-4 Functional Block Diagram

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Processor

The IntelXscalenetwork processor line includes the IXP420, IXP422 and

IXP425 processors. The features common to these processors are listed below.

The primary difference between these processors is support for encryption,

operating speed, operating temperature and cost. See the following table below

for the differences between the processor families. The factory default GW2348-

4 includes the IXP425 processor.

 StrongARM Version 5TE Compliant

 Network processing engines to offload Ethernet filtering

 32-bit SDRAM interface operating at 133MHz

 32-bit PCI interface operating at 33MHz for Mini-PCI support

 16-bit Expansion interface for Flash support

 Two 802.3 MII/RMII interfaces for Ethernet PHY support

 USB 1.1 device controller

 Two serial ports

 Four internal timers

 Internal bus performance monitoring unit

 General purpose Input/Outputs

 Watchdog Timer

Feature IXP420 IXP422 IXP425

Speed (MHz) 266, 400, 533 266 266, 400, 533

Hardware Encryption No Yes Yes

Extended Temperature 266 only No 266, 400, 533

Cost Low Mid High

IXP42x Processor Feature Comparison

SDRAM

The DRAM resides in two synchronous DRAM devices soldered directly to the

board. This architecture supports SDRAM memory capacities from 32Mbytes up

to 128Mbytes. The 32-bit SDRAM interface operates at 133MHz. The factory

default GW2348-4 includes 64Mbytes of SDRAM.

Flash

The Flash resides in one or two J3 Intel StrataFlashdevices soldered directly to

the board. This architecture supports Flash memory capacities from 4Mbytes up

to 32Mbytes. The factory default GW2348-4 includes 16Mbytes of Flash in a

single device.

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Compact Flash

The GW2348-4 supports a single Compact Flash socket located on the rear of

the board. The Compact Flash socket accepts small removable mass storage

cards with storage capacities up to 4Gbytes. The Compact Flash interrupt is

mapped to general purpose I/O 12 (GPIO12) of the IXP processor.

Mini-PCI Sockets

Mini-PCI is a small form factor PCI card that uses the same signal protocol,

electrical specifications, and configuration definitions as conventional PCI. The

GW2348-4 includes four Mini-PCI sockets. The GW2348-4 increases the Mini-

PCI power specification from a maximum of 2.5W to a total of 18W for all four

sockets. This permits each socket to operate 4.5W for supporting high power

radios.

Ethernet

The GW2348-4 supports two Ethernet ports using an Intel LXT973 PHY

Transceiver. Both channels operates in a 100BASE-TX or 10BASE-T

configuration and support auto MDI/MDIX for automatically switching twisted pair

inputs and outputs. Additional features include full-duplex operation for both

10Mbps and 100Mbps configurations as well as support for auto-negotiation. The

Ethernet ports are available through standard RJ45 connectors. The connectors

have two integrated status lights. The green status light indicates link and

activity. The light is on for link and blinking for activity. The yellow status light

indicates speed. The light is on for 100Mbps and off for 10Mbps.

EEPROM

The Atmel AT24C08AN is an Electrically Erasable Programmable Read Only

Memory (EEPROM) with 8Kbits of storage. The 8kbits of storage is organized in

a 1048 x 8-bit configuration. Additional features include 1,000,000 erase/write

cycles and a 100-year minimum data retention time. Data is transmitted to and

from the EEPROM over the processor I2C bus. The I2C clock frequency is 0 to

400KHz. The I2C base address is A0 hex for writes and A1 hex for reads.

Real Time Clock

The Dallas Semiconductor DS1672 is designed to count seconds and can be

used to derive time-of-day, week, month, and year using software. A battery

ensures uninterrupted operation when the main power supply drops below the

battery voltage. The battery capacity is 35mAH. The real time clock requires

0.425 micro amps typical and 1 micro amp maximum for backup operation. This

results in a battery life of 4 years minimum and more than 9 years typical. Data is

transmitted to and from the Real Time Clock over the processor I2C bus. The I2C

clock frequency is 0 to 400KHz. The I2C base address is D0 hex for writes and

D1 hex for reads.

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Temperature and Voltage Monitor

The Analog Devices AD7418 provides temperature and voltage monitoring

capability. The GW2348-4 operating temperature is monitored through this

device. The temperature accuracy is 1C at 25C and 2C over the entire

temperature range of -40C to +125C. The GW2348-4 input voltage is also

monitored through this device. A resistor divider is used on the A/D input to scale

the input voltage down. Multiple the A/D voltage reading by 23.1 to get the actual

input voltage. Data is transmitted to and from the Temperature and Voltage

Monitor over the processor I2C bus. The I2C clock frequency is 0 to 400KHz.

The I2C 7-bit base address is 50 hex for writes and 51 hex for reads.

Fan Speed Controller

Fan speed control increases fan service life and decreases system acoustic

airflow noise. The GW2348-4 includes a Microchip TC653BE that controls the

speed of a fan based on temperature. This device keeps the fan off until the

GW2348-4 temperature reaches 35 degrees Celsius. The controller adjusts the

fan speed from 50% to 100% between 35 and 45 degrees Celsius.

Serial I/O

The GW2348-4 includes two RS232 serial I/O ports. One serial I/O port is

available through a 10-pin header and the other is available through a 9-pin

female D-shell connector. The serial ports are 16550-compliant UARTs with

additional depth for both the transmit and receive buffers. The interface supports

transfer rates from 1200bps up to 120Kbps.

Digital I/O

The IXP processor includes a 16 bits of digital I/O. Some of these signals are

used for controlling and monitoring the status of devices local to the GW2348-4

and some of them are available on a 10-pin header for application use. The

function of each digital I/O signal is described in Section 2, Configuration and

Installation.

USB

The GW2348-4 includes an optional high-speed USB host controller. The Philips

ISP1562 integrates two Open Host Controller Interface (OHCI) cores, one

Enhanced Host Controller Core (EHCI), and two transceivers. The transceivers

support high-speed transfer mode at 480Mbits per second, full-speed transfer

mode at 12Mbits per second, and low-speed transfer mode at 1.5Mbits per

second. The GW2348-4 also includes a Micrel MIC2026 power distribution switch

to enable 5V power to the USB connector under control of the ISP1562. The

MIC2026 includes internal thermal and over current limiting to protect both the

GW2348-4 and the USB load. The USB signals are available through a standard

dual USB Type A connector. The USB Controller shares resources with the J2

mini-PCI site so that only one is functional at a time. If the USB Host Controller is

loaded, the J4 mini-PCI site is not functional and should not be populated.

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JTAG Programming Port

A JTAG debug port is available to facilitate program download directly into Flash

memory. See section 2.7 for instructions on using the Gateworks JTAG

Programmer.

Status LED and Push Button Reset

The GW2348-4 includes a status LED and a push button for generating reset.

The LED is connected to general purpose I/O 3 (GPIO3).

DC/DC Converter

A switching DC/DC converter supplies power to the GW2348-4. This allows

support for a wide input voltage range and higher power radios with high

efficiency operation. The DC/DC has a minimum input voltage of 9VDC and a

maximum of 48VDC. DO NOT EXCEED THE 48VDC INPUT MAXIMUM OR

DAMAGE MAY OCCUR TO THE BOARD. The input power is supplied through

a power connector or through the RJ45 Ethernet connector in a power over

Ethernet configuration. The voltage drop due to the resistance of the Ethernet

cable between the GW2348-4 and the power injector must be considered when

selecting the power supply operating voltage. The input is protected against

reverse voltage connection and transient voltage spikes. Refer to Section 2, Input

Voltage Selection, for additional information on choosing an input voltage.

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2.CONFIGURATION AND INSTALLATION

The following section gives memory, interrupt, I2C and digital I/O mappings

specific to the GW2348-4. See the Intel IXP4XX Product Line and IXC1100

Control Plane Processors Developer’s Manual for more information on these

interfaces.

2.1. Memory Mapping

The memory map and Expansion bus chip select mapping for the GW2348-4 is

shown below.

Memory Address Size Description

0000_0000 – 0FFF_FFFF 256Mbyte Flash Memory (32Mbyte max)

0100_0000 – 2FFF_FFFF 756Mbyte SDRAM Memory (128 Mbyte max)

3000_0000 – 3FFF_FFFF Reserved

4000_0000 – 47FF_FFFF Reserved

4800_0000 – 4FFF_FFFF 128Mbyte PCI Bus

5000_0000 – 5FFF_FFFF 256Mbyte Expansion Bus

6000_0000 – 63FF_FFFF 64Mbyte Queue Manager

6400_0000 – BFFF_FFFF Reserved

C000_0000 – C3FF_FFFF 64Mbyte PCI Controller Configuration and Status

C400_0000 – C7FF_FFFF 64Mbyte Expansion Bus Configuration

C800_0000 – C800_0FFF 1Kbyte High Speed Serial

C800_1000 – C800_1FFF 1Kbyte Console Serial

C800_2000 – C800_2FFF 1Kbyte Performance Monitor

C800_3000 – C800_3FFF 1Kbyte Interrupt Controller

C800_4000 – C800_4FFF 1Kbyte GPIO Controller

C800_5000 – C800_5FFF 1Kbyte Timers

C800_6000 – C800_6FFF 1Kbyte Wan/HSS Network Processor A

C800_7000 – C800_7FFF 1Kbyte Ethernet Network Processor B

C800_8000 – C800_8FFF 1Kbyte Ethernet Network Processor C

C800_9000 – C800_9FFF 1Kbyte Ethernet MAC A

C800_A000 – C800_AFFF 1Kbyte Ethernet MAC B

C800_B000 – C800_BFFF 1Kbyte USB Device Controller – Not Used

C800_C000 – C800_FFFF Reserved

C801_0000 – CBFF_FFFF Reserved

CC00_C000 – CC00_00FF 256byte SDRAM Configuration Registers

CC00_0100 – FFFF_FFFF Reserved

Note: The bottom 256Mbytes is configurable through bit 31 of the EXP_CONFG0 register.

Memory Map

Table des matières

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