Broadcom BCM91125PCIX User Manual
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Broadcom BCM91125PCIX User Manual

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USER MANUAL
BCM91125PCIX
Evaluation Board
91125PCIX-UM100-R
16215 Alton Parkway
•
P.O. Box 57013
•
Irvine, CA 92619-7013
• Phone:
949-450-8700
• Fax:
949-450-8710
07/02/04

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  • Page 1 USER MANUAL BCM91125PCIX Evaluation Board 91125PCIX-UM100-R 16215 Alton Parkway • P.O. Box 57013 • Irvine, CA 92619-7013 • Phone: 949-450-8700 • Fax: 949-450-8710 07/02/04...
  • Page 2 All rights reserved 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.

  • Page 3: Table Of Contents

    Items Included with the Shipment ......................1 Features ................................ 1 Hardware ..............................1 Firmware ..............................2 BCM91125PCIX Front Panel ........................3 BCM91125PCIX Rear Panel ......................... 3 Section 2: Getting Started....................4 Section 3: Physical Description ..................6 Block Diagram .............................. 7 Connectors ..............................
  • Page 4 User Manual 07/02/04 IST OF IGURES Figure 1: BCM91125PCIX Front Panel ....................... 3 Figure 2: BCM91125PCIX Rear Panel ....................... 3 Figure 3: BCM91125PCIX Top View ........................6 Figure 4: BCM91125PCIX Block Diagram ......................7 Figure 5: Connector Callouts ..........................8 Figure 6: LED Callouts ............................11...
  • Page 5 User Manual BCM91125PCIX 07/02/04 IST OF ABLES Table 1: Connector Descriptions ........................9 Table 2: ROM Emulator Pinout......................... 10 Table 3: LED Descriptions..........................12 Table 4: Jumper, Fuse, and Battery Descriptions .................... 14 Table 5: Static Configuration Jumper (J76) Settings ..................14 Table 6: Switch Descriptions ..........................
  • Page 6 BCM91125PCIX User Manual 07/02/04 Bro adco m C orp or atio n Page Document 91125PCIX-UM100-R...

  • Page 7: Section 1: Product Overview

    The BCM91125PCIX evaluation board is an evaluation platform intended to support the needs of prospective users of the BCM1125H processor. This user manual provides information on how to get the BCM91125PCIX evaluation board up and running quickly. This manual also describes how to locate, configure, and observe the various connectors, switches, jumpers, and LEDs on the BCM91125PCIX, allowing software development and evaluation of the BCM1125H processor to begin.

  • Page 8: Firmware

    There are many parameters configurable at build time that can be used to customize CFE to suit diverse customer requirements. On the BCM91125PCIX, CFE can load programs (such as S-records, raw binary, or ELF formatted) from bootstrap devices in a variety of ways, including: •...

  • Page 9: Bcm91125Pcix Front Panel

    User Manual BCM91125PCIX 07/02/04 BCM91125PCIX F RONT ANEL Figure 1: BCM91125PCIX Front Panel BCM91125PCIX R ANEL Figure 2: BCM91125PCIX Rear Panel B roadc om C or por ati on Document 91125PCIX-UM100-R BCM91125PCIX Front Panel Page...

  • Page 10: Section 2: Getting Started

    Complete the following steps to get to a BCM91125PCIX CFE (firmware) prompt. Connect a 9-pin null modem cable to the serial port of the BCM91125PCIX and a serial port on a workstation/ Use a terminal program and set it to 115200 bps, 8-bit data, 1-stop bit, no parity, and no flow control.
  • Page 11 User Manual BCM91125PCIX 07/02/04 ifconfig eth0 -auto Note: The ifconfig eth0 -auto command can only be used with a DHCP server. c. To run a program, type the following: boot -elf tftp_server:/path_to_software/program B roadc om C or por ati on...

  • Page 12: Section 3: Physical Description

    BCM91125PCIX User Manual 07/02/04 Se ction 3: Phy sical Des cription The BCM91125PCIX is implemented in the standard microATX form factor. Figure 3 shows a top view of the BCM91125PCIX. Figure 3: BCM91125PCIX Top View B roadc om C or por ati on...

  • Page 13: Block Diagram

    User Manual BCM91125PCIX 07/02/04 LOCK IAGRAM Figure 4 shows a block diagram of the BCM91125PCIX. EEPROM EJTAG JTAG 1x32b PCI SMBus 0 Slot Temperature Sensor PCIX 2x64b PCIX HT to PCIX Slots Bridge MemBus 2 DIMM Slots 10/100/1000 Ethernet Port E1...

  • Page 14: Connectors

    BCM91125PCIX User Manual 07/02/04 ONNECTORS Figure 5 shows the board and identifies connectors numerically. For a description of each connector callout, compare Figure 5’s number callouts with Table Figure 5: Connector Callouts B roadc om C or por ati on...

  • Page 15: Table 1: Connector Descriptions

    User Manual BCM91125PCIX 07/02/04 The following table shows the BCM91125PCIX connectors. Table 1: Connector Descriptions Board ID Description Fan power connector (pin 1 = GND, pin 2 = 12VDC) 10/100/1000 Mbps Ethernet Port E0 10/100/1000 Mbps Ethernet Port E1 ROM Emulator connector (see...

  • Page 16: Rom Emulator Pinout

    BCM91125PCIX User Manual 07/02/04 ROM E MULATOR INOUT Note: The table layout reflects the physical location of the pins on the connector. Also all I/O signals are 3.3V outputs that are tolerant of 5V inputs. Table 2: ROM Emulator Pinout...

  • Page 17: Leds

    User Manual BCM91125PCIX 07/02/04 Figure 6 shows the positions of the LEDs numerically. Compare Figure 6’s number callouts with a description of each LED in Table 3 on page Figure 6: LED Callouts B roadc om C or por ati on...

  • Page 18: Table 3: Led Descriptions

    BCM91125PCIX User Manual 07/02/04 Table 3: LED Descriptions Board ID Color Description Green PHY 0 Slave indicator Green PHY 0 Receive indicator Green PHY 0 Transmit indicator Green PHY 0 Full-duplex indicator Green PHY 0 Link 1 indicator Green PHY 0 Link 2 indicator...

  • Page 19: Jumpers, Fuses, And Battery

    User Manual BCM91125PCIX 07/02/04 UMPERS USES ATTERY Figure 7 shows the positions of the jumpers, fuses, and battery alpha-numerically. Compare Figure 7’s alpha- numeric callouts with a description of each jumper, fuse, or battery in Table Figure 7: Jumper, Fuse, and Battery Callouts...

  • Page 20: Table 4: Jumper, Fuse, And Battery Descriptions

    BCM91125PCIX User Manual 07/02/04 Table 4: Jumper, Fuse, and Battery Descriptions Board ID Function 32b PCI clock select (open * = run at slowest PCI agent; closed = force 33 MHz) Static configuration jumpers (See Table 5 for more details)
  • Page 21 User Manual BCM91125PCIX 07/02/04 Table 5: Static Configuration Jumper (J76) Settings (Cont.) Odd Pin Even Pin Odd Pin Name Even Pin Name Open Function Closed Function 3.3 V PWR * BCM1125H Table 6 for configuration details. software config[3] 3.3 V PWR...

  • Page 22: Switches

    BCM91125PCIX User Manual 07/02/04 WITCHES Figure 8 shows the positions of switches numerically. Compare Figure 8’s number callouts with a description of each switch in Table Figure 8: Switch Callouts Table 6: Switch Descriptions Board ID Function Default Cold Reset asserted when the button is pressed...
  • Page 23 User Manual BCM91125PCIX 07/02/04 Table 6: Switch Descriptions (Cont.) Board ID Function Default dip[6:1] = BCM1125H software config[5:0] bits. See Table 14 off, off, off, off, on, off for more information. SW11 8-position DIP switch, for BCM1125 clk configuration dip[1:8] See specific bits below.

  • Page 24: Acceptable Pll Settings

    BCM91125PCIX User Manual 07/02/04 PLL S CCEPTABLE ETTINGS Table 7 shows acceptable PLL settings. Adjusting dip switch SW11 changes the multiplier of the CLK100. Note: The default PLL settings are set according to the speed bin of the BCM1125H part. That setting is the maximum clock speed that the chip can attain without failure.

  • Page 25: Acceptable I/O Bridge Settings

    User Manual BCM91125PCIX 07/02/04 I/O B CCEPTABLE RIDGE ETTINGS The BCM1125H contains two bridges which isolate many of the chip's SOC components from the core, L2 cache, and other components. More details about these bridges can be found in the user manual for the specific chip.

  • Page 26: Table 11: Gpio Map

    BCM91125PCIX User Manual 07/02/04 Table 11: GPIO Map BCM1125H GPIO Pin # Description Pin Direction Input NMI_L (from switch SW12) Input OUT from RTC. Input PHY_INTERUPT_L (ORed PHY interrupt from both BCM5461 PHY chips) Input USB Slot 0 interrupt Input...

  • Page 27: Section 4: Firmware Configuration

    User Manual BCM91125PCIX 07/02/04 S e c ti o n 4 : F ir m wa r e C o n f ig ur a t i on The firmware image in the flash is bi-endian, so it supports both big and little-endian operation. The following table describes where and how much physical memory the firmware maps to the chip selects on the generic bus.

  • Page 28: Section 5: Troubleshooting

    BCM91125PCIX User Manual 07/02/04 Section 5: Troubl eshooting ORRECTIVE ROCEDURES When CFE is not able to initialize the system and reach the console prompt, the four-character alphanumeric LED display may be used to help debug the initialization sequence. When the Cer2 message appears, a cache error has occurred.

  • Page 29: Section 6: Web Resources

    266 MHz DDR SDRAM ECC part.aspx?part=MT9VDDT1672AG-265 Hynix HY29LV160 2 MB flash memory http://www.hynix.com/datasheet/kor/flash/ detail11.jsp?PartNo=HY29LV160 Cypress SL811HS dual-speed USB http://www.cypress.com/products/ Embedded Host controller datasheet.cfm?partnum=SL811HS Broadcom BCM5461 10/100/ http://www.broadcom.com/products/ 1000BASE-T Gigabit Copper product.php?product_id=BCM5421 Transceiver B roadc om C or por ati on Document 91125PCIX-UM100-R Web Resources...

  • Page 30: Bus Interface

    BCM91125PCIX User Manual 07/02/04 NTERFACE Table 18: Bus Interface Web Resources Resource Website HyperTransport http://www.hypertransport.org/doc_specifications.htm specification PCMCIA http://www.pcmcia.org/pccardstandard.htm specification EJTAG http://www.mips.com/content/Documentation/MIPSDocumentation/EJTAG/ specification doclibrary/ PCI specification http://www.pcisig.com/specifications/conventional/ PCI-X specification http://www.pcisig.com/specifications/pcix_20/ USB specification http://www.usb.org/developers/docs/ B roadc om C or por ati on...
  • Page 31 User Manual BCM91125PCIX 07/02/04 B roadc om C or por ati on Document 91125PCIX-UM100-R Bus Interface Page...
  • Page 32 Fax: 949-450-8710 Broadcom Corporation reserves the right to make changes without further notice to any products or data herein to improve reliability, function, or design. Information furnished by Broadcom Corporation is believed to be accurate and reliable. However, Broadcom Corporation does not assume any liability arising out of the application or use of this information, nor the application or use of any product or circuit described herein, neither does it convey any license under its patent rights nor the rights of others.

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