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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"> <META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="eCos Reference Manual" HREF="ecos-ref.html"><LINK REL="UP" TITLE="Installation and Testing" HREF="installation-and-testing.html"><LINK REL="PREVIOUS" TITLE="ARM/ARM9 Altera Excalibur" HREF="excaliburarm9.html"><LINK REL="NEXT" TITLE="ARM/StrongARM(SA1100) Intel Brutus" HREF="brutus.html"></HEAD ><BODY CLASS="SECT1" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >eCos Reference Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="excaliburarm9.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 5. Installation and Testing</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="brutus.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="EBSA285">ARM/StrongARM(SA110) Intel EBSA 285</H1 ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN5585">Overview</H2 ><P >RedBoot uses the single EBSA-285 serial port. The default serial port settings are 38400,8,N,1. If the EBSA-285 is used as a host on a PCI backplane, ethernet is supported using an Intel PRO/100+ ethernet adapter. Management of onboard flash is also supported.</P ><P >The following RedBoot configurations are supported: <DIV CLASS="INFORMALTABLE" ><A NAME="AEN5595"><P ></P ><TABLE BORDER="1" CLASS="CALSTABLE" ><THEAD ><TR ><TH ALIGN="LEFT" VALIGN="TOP" >Configuration</TH ><TH ALIGN="LEFT" VALIGN="TOP" >Mode</TH ><TH ALIGN="LEFT" VALIGN="TOP" >Description</TH ><TH ALIGN="LEFT" VALIGN="TOP" >File</TH ></TR ></THEAD ><TBODY ><TR ><TD ALIGN="LEFT" VALIGN="TOP" >ROM</TD ><TD ALIGN="LEFT" VALIGN="TOP" >[ROM]</TD ><TD ALIGN="LEFT" VALIGN="TOP" >RedBoot running from the board's flash boot sector.</TD ><TD ALIGN="LEFT" VALIGN="TOP" >redboot_ROM.ecm</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" >RAM</TD ><TD ALIGN="LEFT" VALIGN="TOP" >[RAM]</TD ><TD ALIGN="LEFT" VALIGN="TOP" >RedBoot running from RAM with RedBoot in the flash boot sector.</TD ><TD ALIGN="LEFT" VALIGN="TOP" >redboot_RAM.ecm</TD ></TR ></TBODY ></TABLE ><P ></P ></DIV ></P ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN5614">Initial Installation Method</H2 ><P >A linux application is used to program the flash over the PCI bus. Sources and build instructions for this utility are located in the RedBoot sources in: <TT CLASS="FILENAME" >packages/hal/arm/ebsa285/current/support/linux/safl_util</TT ></P ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN5618">Communication Channels</H2 ><P >Serial, Intel PRO 10/100+ 82559 PCI ethernet card.</P ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN5621">Special RedBoot Commands</H2 ><P >None.</P ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN5624">Memory Maps</H2 ><P >Physical and virtual mapping are mapped one to one on the EBSA-285 using a first level page table located at address 0x4000. No second level tables are used. <DIV CLASS="NOTE" ><BLOCKQUOTE CLASS="NOTE" ><P ><B >NOTE: </B >The virtual memory maps in this section use a C and B column to indicate whether or not the region is cached (C) or buffered (B).</P ></BLOCKQUOTE ></DIV ><TABLE BORDER="5" BGCOLOR="#E0E0F0" WIDTH="70%" ><TR ><TD ><PRE CLASS="PROGRAMLISTING" >Address Range C B Description ----------------------- - - ---------------------------------- 0x00000000 - 0x01ffffff Y Y SDRAM 0x40000000 - 0x400fffff N N 21285 Registers 0x41000000 - 0x413fffff Y N flash 0x42000000 - 0x420fffff N N 21285 CSR Space 0x50000000 - 0x50ffffff Y Y Cache Clean 0x78000000 - 0x78ffffff N N Outbound Write Flush 0x79000000 - 0x7c0fffff N N PCI IACK/Config/IO 0x80000000 - 0xffffffff N Y PCI Memory </PRE ></TD ></TR ></TABLE ></P ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN5631">Platform Resource Usage</H2 ><P >Timer3 is used as a polled timer to provide timeout support for networking and XModem file transfers.</P ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN5634">Rebuilding RedBoot</H2 ><P >These shell variables provide the platform-specific information needed for building RedBoot according to the procedure described in <A HREF="rebuilding-redboot.html" >Chapter 3</A >: <TABLE BORDER="5" BGCOLOR="#E0E0F0" WIDTH="70%" ><TR ><TD ><PRE CLASS="PROGRAMLISTING" >export TARGET=ebsa285 export ARCH_DIR=arm export PLATFORM_DIR=ebsa285</PRE ></TD ></TR ></TABLE ></P ><P >The names of configuration files are listed above with the description of the associated modes.</P ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="excaliburarm9.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ecos-ref.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="brutus.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >ARM/ARM9 Altera Excalibur</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="installation-and-testing.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >ARM/StrongARM(SA1100) Intel Brutus</TD ></TR ></TABLE ></DIV ></BODY ></HTML >
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