hardware-sparc64.txt

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                   FreeBSD/sparc64 5.0-CURRENT Hardware Notes

  The FreeBSD Documentation Project

   Copyright (c) 2000, 2001, 2002 by The FreeBSD Documentation Project

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   Table of Contents

   1 Introduction

   2 Supported Systems

                2.1 Overview

                2.2 In general, what do you need to run FreeBSD on a sparc64

                2.3 System-specific information

                             2.3.1 Ultra 1

                             2.3.2 Ultra 2

                             2.3.3 Ultra 5/10

                             2.3.4 Ultra 60

                             2.3.5 Blade 100

                2.4 Supported Hardware Overview

   3 Supported Devices

                3.1 PCI Hardware

                3.2 SBus Hardware

                3.3 ISA Hardware

                3.4 EBus Hardware

                3.5 Unsupported Hardware

   4 Acknowledgments

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                                 1 Introduction

   This document contains the hardware compatibility notes for FreeBSD
   5.0-CURRENT on the UltraSPARC hardware platform (also referred to as
   FreeBSD/sparc64 5.0-CURRENT). It lists devices known to work on this
   platform, as well as some notes on boot-time kernel customization that may
   be useful when attempting to configure support for new devices.

     Note: This document includes information specific to the UltraSPARC
     hardware platform. Versions of the hardware compatibility notes for
     other architectures will differ in some details.

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                              2 Supported Systems

   Additions, corrections and constructive criticism are invited. In
   particular, information on system quirks is more than welcome.

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2.1 Overview

   This document tries to provide a starting point for those who want to run
   FreeBSD on an UltraSPARC-based machine. It is aimed at providing
   background information on the various hardware designs. It is not a
   replacement for the systems manuals.

   The information is structured as follows:

     * General hardware requirements to run FreeBSD on sparc64.

     * System specific information for each of the systems/boards supported
       by FreeBSD.

     * Information on expansion boards for FreeBSD, including things that
       differ from what is in the generic supported hardware list.

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2.2 In general, what do you need to run FreeBSD on a sparc64

   FreeBSD/sparc64 requires an UltraSPARC system. Currently, the newer
   PCI-based systems are supported better than the older SBus based systems.
   The following systems are known to work to varying degrees:

     * Sun Ultra 1 workstations

     * Sun Ultra 2 workstations

     * Sun Ultra 5 workstations

     * Sun Ultra 10 workstations

     * Sun Ultra 30 workstations

     * Sun Ultra 60 workstations

     * Sun Blade 100 workstations

     * Sun Netra t1 series servers

     * Sun Enterprise 220R servers

     * Sun Enterprise 250 servers

     * Sun Enterprise 420R servers

   Ultra 80 and Blade 1000 are expected to work, maybe with minor
   modifications. SMP is supported on Ultra 2 and 60 workstations and
   Enterprise 220R, 250 and 420R servers.

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2.3 System-specific information

   Below is an overview of the UltraSPARC hardware that FreeBSD runs on. The
   GENERIC kernel configuration file in /sys/sparc64/conf/GENERIC may contain
   additional information about supported devices.

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  2.3.1 Ultra 1

   UltraSPARC Ultra1-family systems have not been thoroughly tested with
   FreeBSD. These systems are not very well supported, but it is possible to
   install FreeBSD onto an Ultra-1e with a hme Ethernet interface.

     ----------------------------------------------------------------------

  2.3.2 Ultra 2

   UltraSPARC Ultra2-family systems include the following hardware:

     * 1 or 2 UltraSPARC II CPUs

     * Built-in Ethernet (hme compatible) interface

     * 4 SBus slots

     * 1 UPA Slot

     * Serial and Parallel ports

     * 16-bit audio

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  2.3.3 Ultra 5/10

   UltraSPARC Ultra5/10-family systems include the following hardware:

     * UltraSPARC IIi CPU

     * Three PCI busses

     * Built-in Ethernet (hme compatible) interface

     * Built-in PCI-IDE controller (not yet committed - in Perforce tree)

     * Two PC-AT style `com' ports for the mouse and keyboard

     * Floppy driver controller

     * Siemens SAB82532 dual-channel serial ports for ttya and ttyb

     * One CS4231 audio device

     * One PC-AT style parallel port

     * Sun `ffb' frame buffer (Ultra10 only)

     * EBus (Sun proprietary bus for slow devices)

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  2.3.4 Ultra 60

   Sun Ultra 60 workstations include the following hardware:

     * 1 or 2 UltraSPARC II CPUs

     * 4 PCI slots

     * 2 UPA slots

     * sym(4)-based UltraSCSI controller

     * Built-in Ethernet (hme compatible) interface

     * Serial and Parallel ports

     * 16-bit audio

     * EBus (Sun proprietary bus for slow devices)

     ----------------------------------------------------------------------

  2.3.5 Blade 100

   Sun Blade 100 workstations include the following hardware:

     * UltraSPARC IIe CPU

     * Three PCI busses

     * Built-in Ethernet (gem compatible) interface

     * Two USB ports (unsupported)

     * Two Firewire ports (unsupported)

     * Built-in PCI-IDE controller (not yet committed - in Perforce tree)

     * Two PC-AT style `com' ports for the mouse and keyboard

     * Floppy driver controller

     * sio(4) supported serial ports for ttya and ttyb

     * One CS4231 audio device

     * One PC-AT style parallel port

     * Built-in PGX64 (ATI) graphics

     * EBus (Sun proprietary bus for slow devices)

     * ISA bus

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2.4 Supported Hardware Overview

   A word of caution: the installed base for FreeBSD/sparc64 is not nearly as
   large as for FreeBSD/Intel. This means that the enormous variation of
   PCI/ISA expansion cards out there has much less chance of having been
   tested on sparc64 than on Intel. This is not to imply they are doomed to
   fail, just that the chance of running into something never tested before
   is much higher. GENERIC contains things that are known to work on sparc64
   only.

   The PCI bus is fully supported. SBus support is limited, but is reported
   to work well enough to netboot an SBus-based Ultra 2 workstation.

   1.44 Mbyte floppy drives are not yet supported.

   ATA and ATAPI (IDE) devices are supported via the ata(4) driver framework.
   (not yet committed - in Perforce tree)

   There is full SCSI support via the CAM layer. However, only NCR/Symbios
   cards are currently working. Adaptec 2940x (AIC 7xxx chip-based) and
   isp(4) cards should be supported soon. Be aware that SCSI cards must
   contain Sun FCODE in order to use them as a boot device from OpenBoot.

   If you want to boot your sparc64 over the Ethernet you will obviously need
   an Ethernet card that the OpenBoot console recognizes.

   hme, gem, and eri based network devices.

   The ``PC standard'' serial ports found on most newer Sun workstations are
   supported.

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                              3 Supported Devices

   $FreeBSD:
   src/release/doc/en_US.ISO8859-1/hardware/sparc64/dev-sparc64.sgml,v 1.1
   2002/02/25 07:25:38 murray Exp $

   This section describes the devices currently known to be supported by with
   FreeBSD on the UltraSPARC platform. Other configurations may also work,
   but simply have not been tested yet. Feedback, updates, and corrections to
   this list are encouraged.

   Where possible, the drivers applicable to each device or class of devices
   is listed. If the driver in question has a manual page in the FreeBSD base
   distribution (most should), it is referenced here.

     ----------------------------------------------------------------------

3.1 PCI Hardware

   In general, any device for which there is a driver can be made to work on
   sparc64. Some drivers might just work, others might require some changes
   (because this is the first big-endian architecture to be supported by
   FreeBSD).

   The following drivers are known to work:

     * apb (Sun PCI-PCI bridge)

     * generic PCI-PCI bridges

     * ahc(4) (coming real soon).

     * ata(4), atadisk, atapicd (but not atapifd, atapist)

     * gem (Sun GEM/ERI ethernet, on-board on Blade 100)

     * hme (Sun HME ethernet, on-board on Ultra 5, 10)

     * sio(4)

     * sym(4)

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3.2 SBus Hardware

   The following drivers have SBus front ends:

     * hme Ethernet

     * mk48txx ('eeprom' device; time-of-day clock)

     ----------------------------------------------------------------------

3.3 ISA Hardware

   The paragraph about PCI drivers apply to ISA drivers as well, but with the
   notable exception that ISA DMA is not yet supported. This are generally
   on-board devices; there are no UltraSPARC boxes with ISA slots that the
   authors are aware of.

   The following drivers are known to work:

     * sio(4)

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3.4 EBus Hardware

   The EBus is specific to Sun hardware, so drivers need to have support
   added to work with these devices. It is quite similar to ISA, so that ISA
   drivers can usually be easily ported, provided that they use the bus space
   interface, and not in[bwl]/out[bwl] and related functions. DMA is not yet
   supported.

   The following drivers are known to work:

     * sio(4)

     * mk48txx ('eeprom' device; time-of-day clock)

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3.5 Unsupported Hardware

   The following hardware, which is built-in in Sun UltraSPARC boxes, is not
   currently supported:

     * graphics/frame buffer devices, keyboards (except indirectly in text
       mode using the ofw_console device)

     * Siemens sab82532 serial ports (Ultra 5/10; the keyboard/mouse ports
       are also RS232 ones and supported by the sio driver though; a driver,
       'se', is being worked on).

     * serial keyboards (except indirectly using the ofw_console device)

     * Zilog z8530 serial ports (keyboard/mouse, ttya and ttyb in Ultra 1 and
       Ultra 2 boxen)

     * fas (Fast SCSI controller builtin in most Ultra 1 and Ultra 2 boxen)

     * USB ports (have issues, should be easy to get to work though)

     * all floppy drives/controllers

     * smart card readers (the Blade 100 has one, don't know much about it)

     * FireWire/IEEE1394

     * sound cards

     * parallel ports

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                               4 Acknowledgments

   This document is based in part on the FreeBSD/Alpha and NetBSD/sparc64
   release documentation. Information about specific system models was
   obtained from Sun.

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     This file, and other release-related documents, can be downloaded from
                    ftp://current.FreeBSD.org/pub/FreeBSD/.

     For questions about FreeBSD, read the documentation before contacting
                            <[e-mail]>.

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       For questions about this documentation, e-mail <[e-mail]>.