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<!-- Copyright (C) 2003 Red Hat, Inc. --><!-- This material may be distributed only subject to the terms --><!-- and conditions set forth in the Open Publication License, v1.0 --><!-- or later (the latest version is presently available at --><!-- http://www.opencontent.org/openpub/). --><!-- Distribution of the work or derivative of the work in any --><!-- standard (paper) book form is prohibited unless prior --><!-- permission is obtained from the copyright holder. --><HTML><HEAD><TITLE>ARM/StrongARM(SA110) Intel EBSA 285</TITLE><meta name="MSSmartTagsPreventParsing" content="TRUE"><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+"><LINKREL="HOME"TITLE="eCos Reference Manual"HREF="ecos-ref.html"><LINKREL="UP"TITLE="Installation and Testing"HREF="installation-and-testing.html"><LINKREL="PREVIOUS"TITLE="ARM/ARM9 Altera Excalibur"HREF="excaliburarm9.html"><LINKREL="NEXT"TITLE="ARM/StrongARM(SA1100) Intel Brutus"HREF="brutus.html"></HEAD><BODYCLASS="SECT1"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">eCos Reference Manual</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="excaliburarm9.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom">Chapter 5. Installation and Testing</TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="brutus.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="SECT1"><H1CLASS="SECT1"><ANAME="EBSA285">ARM/StrongARM(SA110) Intel EBSA 285</H1><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5585">Overview</H2><P>RedBootuses the single EBSA-285 serial port. The default serial port settings are38400,8,N,1. If the EBSA-285 is used as a host on a PCI backplane, ethernetis supported using an Intel PRO/100+ ethernet adapter. Management ofonboard flash is also supported.</P><P>The following RedBoot configurations are supported: <DIVCLASS="INFORMALTABLE"><ANAME="AEN5595"><P></P><TABLEBORDER="1"CLASS="CALSTABLE"><THEAD><TR><THALIGN="LEFT"VALIGN="TOP">Configuration</TH><THALIGN="LEFT"VALIGN="TOP">Mode</TH><THALIGN="LEFT"VALIGN="TOP">Description</TH><THALIGN="LEFT"VALIGN="TOP">File</TH></TR></THEAD><TBODY><TR><TDALIGN="LEFT"VALIGN="TOP">ROM</TD><TDALIGN="LEFT"VALIGN="TOP">[ROM]</TD><TDALIGN="LEFT"VALIGN="TOP">RedBoot running from the board's flash boot sector.</TD><TDALIGN="LEFT"VALIGN="TOP">redboot_ROM.ecm</TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP">RAM</TD><TDALIGN="LEFT"VALIGN="TOP">[RAM]</TD><TDALIGN="LEFT"VALIGN="TOP">RedBoot running from RAM with RedBoot in the flash boot sector.</TD><TDALIGN="LEFT"VALIGN="TOP">redboot_RAM.ecm</TD></TR></TBODY></TABLE><P></P></DIV></P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5614">Initial Installation Method</H2><P>A linux application is used to program the flash over the PCI bus. Sourcesand build instructions for this utility are located in the RedBoot sourcesin: <TTCLASS="FILENAME">packages/hal/arm/ebsa285/current/support/linux/safl_util</TT></P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5618">Communication Channels</H2><P>Serial, Intel PRO 10/100+ 82559 PCI ethernet card.</P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5621">Special RedBoot Commands</H2><P>None.</P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5624">Memory Maps</H2><P>Physical and virtual mapping are mapped one to one on the EBSA-285 usinga first level page table located at address 0x4000. No second level tablesare used. <DIVCLASS="NOTE"><BLOCKQUOTECLASS="NOTE"><P><B>NOTE: </B>The virtual memory maps in this section use a C and B column to indicatewhether or not the region is cached (C) or buffered (B).</P></BLOCKQUOTE></DIV><TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="PROGRAMLISTING">Address Range C B Description----------------------- - - ----------------------------------0x00000000 - 0x01ffffff Y Y SDRAM0x40000000 - 0x400fffff N N 21285 Registers0x41000000 - 0x413fffff Y N flash0x42000000 - 0x420fffff N N 21285 CSR Space0x50000000 - 0x50ffffff Y Y Cache Clean0x78000000 - 0x78ffffff N N Outbound Write Flush0x79000000 - 0x7c0fffff N N PCI IACK/Config/IO0x80000000 - 0xffffffff N Y PCI Memory </PRE></TD></TR></TABLE></P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5631">Platform Resource Usage</H2><P>Timer3 is used as a polled timer to provide timeout support for networkingand XModem file transfers.</P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5634">Rebuilding RedBoot</H2><P>These shell variables provide the platform-specific informationneeded for building RedBoot according to the procedure described in<AHREF="rebuilding-redboot.html">Chapter 3</A>:<TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="PROGRAMLISTING">export TARGET=ebsa285export ARCH_DIR=armexport PLATFORM_DIR=ebsa285</PRE></TD></TR></TABLE></P><P>The names of configuration files are listed above with thedescription of the associated modes.</P></DIV></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="excaliburarm9.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="ecos-ref.html"ACCESSKEY="H">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="brutus.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">ARM/ARM9 Altera Excalibur</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="installation-and-testing.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">ARM/StrongARM(SA1100) Intel Brutus</TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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