Broadcom BCM91250A Manuale utente

USER MANUAL

BCM91250A

91250A-UM100-R

16215 Alton Parkway •P.O. Box 57013 •Irvine, CA 92619-7013 • Phone: 949-450-8700 •Fax:949-450-8710 05/18/04

Evaluation Board

Broadcom Corporation

P.O. Box 57013

16215 Alton Parkway

Irvine, CA 92619-7013

Printed in the U.S.A.

Broadcom®and the pulse logo are registered trademarks of Broadcom Corporation and/or its subsidiaries in the United

States and certain other countries. All other trademarks mentioned are the property of their respective owners.

REVISION HISTORY

Revision Date Change Description

91250A-UM100-R 05/18/04 Initial release.

User Manual BCM91250A

05/18/04

Broadcom Corporation

Document 91250A-UM100-R Page iii

TABLE OF CONTENTS

Section 1: Product Overview ..............................................................................................1

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

Items Included with Your Shipment ........................................................................................................... 1

Features ........................................................................................................................................................ 1

Hardware ................................................................................................................................................ 1

Firmware ................................................................................................................................................. 2

BCM91250A Front Panel.............................................................................................................................. 3

BCM91250A Rear Panel............................................................................................................................... 3

Section 2: Getting Started...................................................................................................4

Section 3: Physical Description .........................................................................................6

Block Diagram .............................................................................................................................................. 7

Connectors ................................................................................................................................................... 8

Board Connectors ................................................................................................................................... 8

Pinout For Hypertransport Sockets (J28 and J29) ................................................................................ 10

ROM Emulator Pinout ........................................................................................................................... 12

IDE Connector (J35) Pin 20 Rework ..................................................................................................... 13

LEDs ............................................................................................................................................................ 14

Fuses and Battery ...................................................................................................................................... 16

Jumpers ...................................................................................................................................................... 17

Switches...................................................................................................................................................... 19

Acceptable PLL Settings ........................................................................................................................... 21

Acceptable I/O Bridge Settings................................................................................................................. 21

Peripheral Devices ..................................................................................................................................... 22

Supported DRAM ....................................................................................................................................... 23

Serial Port S1 Multiplexer Control ............................................................................................................ 23

Section 4: Firmware Configuration ..................................................................................24

Serial Port S1 Configuration ..................................................................................................................... 24

Section 5: Troubleshooting ..............................................................................................25

Corrective Procedures............................................................................................................................... 25

Replacement Parts..................................................................................................................................... 25

BCM91250A User Manual

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Broadcom Corporation

Page iv Document 91250A-UM100-R

Section 6: Web Resources ............................................................................................... 26

SiByte...........................................................................................................................................................26

Peripherals ..................................................................................................................................................26

Bus Interface ...............................................................................................................................................27

User Manual BCM91250A

05/18/04

Broadcom Corporation

Document 91250A-UM100-R Page v

LIST OF FIGURES

Figure 1: BCM91250A Front Panel................................................................................................................ 3

Figure 2: BCM91250A Rear Panel ................................................................................................................ 3

Figure 3: BCM91250A Top View ................................................................................................................... 6

Figure 4: BCM91250A Block Diagram........................................................................................................... 7

Figure 5: Connector Callouts ......................................................................................................................... 8

Figure 6: IDE Connector (J35) Pin 20 Rework ............................................................................................ 13

Figure 7: LED Callouts................................................................................................................................. 14

Figure 8: Fuses and Battery Callouts .......................................................................................................... 16

Figure 9: Jumper Callouts............................................................................................................................ 17

Figure 10: Switch Callouts ............................................................................................................................. 19

BCM91250A User Manual

05/18/04

Broadcom Corporation

Page vi Document 91250A-UM100-R

LIST OF TABLES

Table 1: Connector Descriptions...................................................................................................................9

Table 2: Pinout For Hypertransport Sockets (J28 and J29) ........................................................................10

Table 3: ROM Emulator Pinout ...................................................................................................................12

Table 4: LED Descriptions ..........................................................................................................................14

Table 5: Fuses and Battery Descriptions ....................................................................................................16

Table 6: Jumper Descriptions .....................................................................................................................17

Table 7: Switch Descriptions.......................................................................................................................19

Table 8: Acceptable PLL Settings ...............................................................................................................21

Table 9: Acceptable I/O Bridge Settings .....................................................................................................21

Table 10: SMBus Peripherals .......................................................................................................................22

Table 11: Generic Bus Peripherals ...............................................................................................................22

Table 12: GPIO Map .....................................................................................................................................22

Table 13: PCI Interrupt Map..........................................................................................................................23

Table 14: Firmware Generic Bus Memory Mapping......................................................................................24

Table 15: Firmware Configuration Bits Mapping...........................................................................................24

Table 16: Replacement Parts .......................................................................................................................25

Table 17: SiByte Web Resources .................................................................................................................26

Table 18: Peripheral Web Resources ...........................................................................................................26

Table 19: Bus Interface Web Resources ......................................................................................................27

User Manual BCM91250A

05/18/04

Broadcom Corporation

Document 91250A-UM100-R Product Overview Page 1

Section 1: Product Overview

INTRODUCTION

The BCM91250A Evaluation Board is an evaluation platform intended to support the needs of prospective

users of the BCM1250 processor.

This manual describes how to locate, configure, and observe the various connectors, switches, jumpers, and

LEDs on the BCM91250A. This fundamental background allows software development and evaluation of the

BCM1250 processor to begin.

For additional information on this board and the BCM1250 processor, go to:

http://sibyte.broadcom.com/public/

ITEMS INCLUDED WITH YOUR SHIPMENT

• BCM91250A evaluation board in ATX case with power supply and power cable

• Corelis PIO-1149.1/E parallel port boundary scan (JTAG) controller board

• This document

FEATURES

This section describes BCM91250A features.

HARDWARE

• BCM1250 processor

• ATX form factor board mounted in case with a power supply (AC Input: 115V/230V, 10A/5A, 60Hz/50Hz;

DC Output: 230W)

• Four DDR SDRAM DIMM slots

- Ships with two 128MB PC2100 (266 Mhz) w/ ECC DIMMs

• Two 10/100/1000 Mbps Ethernet with RJ-45 interface

• NTSC/PAL video decoder

• Two serial ports

- port 0 configured as standard asynchronous UART with RS232 interface

- port 1 multiplexed between asynchronous UART with RS232 interface or synchronous Crystal

CS4297A Audio codec

• HT to PCI bridge

• Two 3.3 V only, 66 MHz 32b and two 3.3V only, 66 MHz 64b PCI connectors

• Two HyperTransport (HT) connectors

• 2MB Flash ROM

• ROM emulator connector

• Two SMBus channels with the following devices connected:

BCM91250A User Manual

05/18/04

Broadcom Corporation

Page 2 Features Document 91250A-UM100-R

- real-time clock (RTC)

- EEPROMs

- Temperature sensor

- DIMMs' SPDs

• IDE interface for ATA/ATAPI PIO mode 3 compliant devices

• Two USB connectors

• EJTAG connector

• Four-character LED display

• PCMCIA interface for single memory or I/O card

FIRMWARE

The Common Firmware Environment (CFE) is designed to be easily portable to designs incorporating current

and future Broadcom MIPS64-compatible broadband processors. Supported platforms include Broadcom’s

SiByte processor family (BCM1250, BCM1125H, and so forth) 32-bit and 64-bit memory models, and big and

little-endian operation. There are many parameters configurable at build time that may be used to customize

CFE to suit diverse customer requirements.

On the BCM91250A, CFE can load programs (such as S-records, raw binary, or ELF formatted) from bootstrap

devices in a variety of ways, including:

• Via either Ethernet port, from a TFTP server

• Via the serial port (S-records only)

• Via an IDE disk connected to the BCM1250’s generic bus

• Via an IDE CD-ROM drive connected to the BCM1250’s generic bus

• Via a PCMCIA flash card in the PCMCIA slot

For additional information on CFE, refer to the Common Firmware Environment (CFE) Specification document

that can be found in the CFE source code distribution at:

http://sibyte.broadcom.com/public/

User Manual BCM91250A

05/18/04

Broadcom Corporation

Document 91250A-UM100-R BCM91250A Front Panel Page 3

BCM91250A FRONT PANEL

Figure 1: BCM91250A Front Panel

BCM91250A REAR PANEL

Figure 2: BCM91250A Rear Panel

BCM91250A User Manual

05/18/04

Broadcom Corporation

Page 4 Getting Started Document 91250A-UM100-R

Section 2: Getting Started

Complete the following steps to get to a BCM91250A CFE (firmware) prompt.

1In order to connect to the Ethernet ports, the case cover must be removed. This requires removing three

screws on the back of the case. Refer to the picture below for the location of the screws (labeled "SCREW").

Once the screws are removed, the cover should easily slide off in the direction of the rear panel. Now a

standard CAT 5 cable with RJ45 connector can be inserted into an Ethernet port.

2Connect a 9-pin null modem cable to the serial port of the BCM91250A and to a serial port on a workstation/PC.

3Use a terminal program and set it to 115200 bps, 8-bit data, 1-stop bit, no parity, and no flow control.

4Power up the BCM91250A by plugging in the provided cable to the power supply socket on the back of the box

and into a wall socket. Then hit the power button on the front panel."

After a short delay, the CFE initialization output and serial console prompt should display. The following is an

example of the output:

CFE version 1.0.36 for SWARM (64bit,MP,BE)

Build Date: Thu Jan 16 14:41:34 PST 2003

Initializing Arena.

Initializing PCI. [normal]

HyperTransport: 400 MHz

PCI bus 0 slot 0/0: SiByte, Inc. BCM1250 PCI Host Bridge (host bridge, revision

0x02)

PCI bus 0 slot 1/0: SiByte, Inc. BCM1250 HyperTransport Host Bridge (host bridge,

revision 0x02)

PCI bus 0 slot 7/0: Opti RM861HA (USB serial bus, interface 0x10, revision 0x10)

PCI bus 1 slot 1/0: API Networks SP1011 HyperTransport-PCI Bridge (PCI bridge)

Initializing Devices.

SWARM board revision 3

PCIIDE: 0 controllers found

Config switch: 2

CPU: BCM1250 B2

L2 Cache Status: OK

Wafer ID: Not set

SysCfg: 0000000028DB0700 [PLL_DIV: 14, IOB0_DIV: CPUCLK/4, IOB1_DIV: CPUCLK/3]

CPU type 0x1040102: 700MHz

Total memory: 0x10000000 bytes (256MB)

Total memory used by CFE: 0x8FE85160 - 0x90000000 (1552032)

Initialized Data: 0x8FE85160 - 0x8FE8F040 (40672)

BSS Area: 0x8FE8F040 - 0x8FE8F6F0 (1712)

Local Heap: 0x8FE8F6F0 - 0x8FF8F6F0 (1048576)

Stack Area: 0x8FF8F6F0 - 0x8FF916F0 (8192)

Text (code) segment: 0x8FF91700 - 0x8FFFFFBC (452796)

Boot area (physical): 0x0FE44000 - 0x0FE84000

Relocation Factor: I:F0391700 - D:0FE84160

CFE>

5At the prompt, a program can be run via the network from a TFTP server by doing the following:

a. Connect the BCM91250A Ethernet port E0 with an Ethernet cable to a switch, repeater, or directly to the

Ethernet port of the file server.

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