SBE HW400c/2 5.5.1 U-boot, Universal Bootloader

HighWire HW400c/2 User Reference Guide Rev 1.0

5.5.1 U-boot, Universal Bootloader

The HW400c/2 uses a boot ROM based on Das U-boot. U-boot (Universal

Bootloader) is an off-the-shelf freeware package found on Sourceforge.net. Ma

commands and environment variables are available in U-boot to facilitate the ny

loading

f the Linux kernel from various locations.

5.5.1.1 U-boot commands

There are four basic U-boot commands that are used to configure the environment

ariables for the boot environment. All commands are available at the debug>

B .

help List all commands and environment variables

printenv Print a list of all valid environment variables that are currently in use.

This command can be shortened to print.

printenv at are not set (unused

incorrect value, will not be displayed.

setenv <variable_name> <value>

Set an environment variable_name to value. Can be shortened to

set.

aveenv Save environment variable(s) to non-volatile memory. Can be

shortened to save.

o

v

prompt. A complete list of U-boot environment variables can be found in Appendix

In the command, Parameters th ), have no value assigned, or an

s

October 10, 2006 Copyright 2006, SBE, Inc. Page 76

Contents

Main HighWire HW400c/2 User Reference Guide Rev 1.0 October 10, 2006 Copyright 2006, SBE, Inc. Page ii Revision History Page Table of Contents 1 2 3 Page 4 5 Appendix A Appendix B List of Figures List of Tables Page Page Conventions ! 1 2 2.1 Product Description HighWire HW400c/2 User Reference Guide Rev 1.0 Figure 1. HW400c/2 Block Diagram October 10, 2006 Copyright 2006, SBE, Inc. Page 3 2.2 Unpacking Instructions 2.3 Handling Procedures 2.4 Hardware Installation of the HW400c/2 2.5 Returns/Service 2.6 Operating Environment ! Page 2.8 Regulatory Agency Certifications 2.8.1 Safety 2.8.2 US and Canadian Emissions 2.8.3 European Emissions and Immunity 2.9 Agency Compliance 2.10 Physical Properties 2.10.1 HW400c/2 Front Panel 2.10.2 Part number and serial number .10.3 Bus Keying 2 2.10.4 Power Requirements 2.10.5 Switches 2.10.6 Product Configurations 3 3.1 PowerPC Processor 3.1.1 MPC744X Development/Debug Support 3.1.2 Console port 3.1.3 Pushbutton Reset / Interrupt Page 3.1.4 COP/JTAG Port rpose Jumper Block 3.1.5 Special Pu 3.2 MV64462 Sy 3.2.1 System Bu 3.2.2 Dual Data stem Controller s 3.2.3 Host PCI B 3.2.4 Local PCI us Bus 3.2.5 Serial EEPROM ! Page Page 3.2.6 MV64462 Ethernet Interface 3.2.7 MV64462 Device Interface 3.2.8 Watchdog Timer 3.2.9 Reset 3.2.10 Multi-Purpose Port (MPP) Usage 3.3 Computer Telephony Bus Controller 3.3.1 H.110 Interface (T8110L) 3.3.2 T8110L Clocking Interface (T8110L) Page 3.3.3 Operation in Non-H.110 Backplane 3.4 Layer 2 Ethernet Switch 3.4.1 Switch Re 3.4.2 MV64462 S s 3.4.3 Front Panel (RJ-45) Ethernet Interface gisters Initialization and Monitoring y tem Controller Ethernet Interface 3ernet Ports .4.4 PT5MC Eth ! 3 ! 3.4.6 On-board Ethernet Indicator LEDs Page 3.5 Mezzanine Card Sites 3.5.1 PT5MC Type Mezzanine Cards 2MC Type M 3.5.2 PT ezzanine Cards 3.5.3 PMC Type 3.5.4 Mezzanine Card Power 3.5.5 C Conn r Summ y PTMC/PM ecto ar HighWire HW400c/2 User Reference Guide Rev 1.0 3.5.6 PTMC Jn1 and Jn2 PCI Connectors d IEEE P1386.1. Pn1 32-Bit PCI Pn2 32-Bit PCI Pin # Signal Name Signal Name Pin # Pin # Signal Name Signal Name Pin 3.5.7 PTMC Jn3 CT Bus Connector Pin # Signal Name Signal Name # # Signal Name Signal Name # Pin Pin Pin October 10, 2006 Copyright 2006, SBE, Inc. Page 35 .5.8 PTMC Jn4 LAN/User I/O Connector 3 HighWire HW400c/2 User Reference Guide Rev 1.0 Tabl Pn4 PT2MC Pn4 PT5MC e 20. PTMC Site A Configuration #2/#5 Pn4 Connector Pin Assignment October 10, 2006 Copyright 2006, SBE, Inc. Page 37 Pin # Signal Pin Pin Pin Name Signal Name # # Signal Name Signal Name # HighWire HW400c/2 User Reference Guide Rev 1.0 October 10, 2006 Copyright 2006, SBE, Inc. Page 38 ble 14. c ! 3.6 IPMI System Management 3.6.1 IPMI Controller 3.6.2 Temperatu re and Voltage Monitor 3.6.3 Hot Swap 3.6.4 Blue (Hot Swap) LED Control 3.6.5 Boot Status Monitor Ejector Latch Detection 3.6.6 Board Reset via IPMI 3.6.7 IPMI System Power Supply 3.6.8 IPMI Firmw are EEPROMs 3.6.9 Zircon PM 3.6.10 IMPI Get Reset Device ID 3.7 Hot Swap Support 3.7.1 Hot Swap o 3.7.2 Hot Swap on J3 3.7.3 Hot Swap on J4 3.7.4 Hot Swap on J5 3.7.5 Hot Swap Sequence 4 .1 HW400c/2 M 4 emory Map 4.2 CPLD Registers HighWire HW400c/2 User Reference Guide Rev 1.0 4.2.1 Clock Select Register (CSR) October 10, 2006 Copyright 2006, SBE, Inc. Page 48 4.2.2 Board Status Register (BSR) 4.2.3 LED Regis ter A (LEDA) 4.2.4 Memory Option Register (MOR) 4.2.5 Geographi c Addressing Register (GAR) 4.2.6 PTMC Reset Register (PRR) 4.2.7 PTMC Con trol Register (PCR) 4.2.8 Board Option Register (BOR) 4.2.9 General Purpose Register (GPR) 4.2.10 PCI Status Register (PSR) 4.2.11 Extended Type Register (ETR) 4.2.12 Hardware Revision Register (HRR) 4.2.13 PLL Conf uration Re r A ig giste (PLLA) 4.2.14 PLL Configuration Register B (PLLB) 4.2.15 LED Register B (LEDB) 4.2.16 Device Control Register (DCR) 4.2.17 CPU Timer Register (CTR) 4.2.18 Warm Reset Register (WRR) 4.2.19 SPI Page egister (SP R R) 4.2.20 SPI Addre ss Register (SAR) 4.2.21 SPI Read Byte Offset Register (SOR) 4.2.22 Read Byt e Count Register (RBC) 4.2.23 Write Byte Count Register (WBC) 4.2.24 SPI Data egisters (S S R DR0 DR7) 4.2.25 SPI Error and Status Register (SESR) 4.2.26 EEPROM ddress (EAR) A Register R) 4.2.27 EEPROM Operation/Status Register (EOS 4.2.28 EEPROM Data Registers (EDR0 EDR1) 4.3 Accessing the Serial EEPROM 4.3.1 Reading a n EEPROM Address 4.3.2 Writing an 4.4 Accessing t 4.4.1 Registers 4.4.2 BCM5388 EEPROM Address ! 5388 Register ! Page 5 W400C/2 AND HOST SYSTEM 5.1 Host Hardwa re and Software Requirements 5.2 Network and System Configuration 5.3 Installing Lin ux on your host system 5.4 Configuring 5.4.1 Modifying 5.4.2 Configurin the Host System the Host Path 5.4.3 Configurin g Host tftp services 5.4.4 Configuring tftp with inetd uImage Page d 5.4.5 Configuring tftp with xinet 5.4.6 Configuring a bootp Server .5 Booting the W400c/2 5 H 5.5.1 U-boot, Universal Bootloader Page Page Page 5.5.2 Booting with tftp Page HighWire HW400c/2 User Reference Guide Rev 1.0 October 10, 2006 Copyright 2006, SBE, Inc. Page 82 HighWire HW400c/2 User Reference Guide Rev 1.0 October 10, 2006 Copyright 2006, SBE, Inc. Page 83 5.5.3 Booting with Disk on Chip Page 5.6 Compiling the Kernel (uImage) 5.6.1 Gentoo Application Packages Management Page 5.7 Linux Device Drivers ! HighWire HW400c/2 User Reference Guide Rev 1.0 Appendix A October 10, 2006 Copyright 2006, SBE, Inc. Page 90 Byte offset Description IPMI Definition SBE value Comments IPMI GetDeviceID Appendix B