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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>PowerPC/MPC8XX Motorola MBX</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="PowerPC/MPC860T Analogue & Micro PowerPC 860T"HREF="viper.html"><LINKREL="NEXT"TITLE="SuperH/SH3(SH7708) Hitachi EDK7708"HREF="edk7708.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="viper.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="edk7708.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="SECT1"><H1CLASS="SECT1"><ANAME="MBX">PowerPC/MPC8XX Motorola MBX</H1><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN7128">Overview</H2><P>RedBoot usesthe SMC1/COM1 serial port. The default serial port settings are 38400,8,N,1.Ethernet is also supported using the 10-base T connector. </P><P>Management of onboard flash is also supported.</P><P>The following RedBoot configurations are supported: <DIVCLASS="INFORMALTABLE"><ANAME="AEN7139"><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="AEN7158">Initial Installation Method</H2><P>Device programmer is used to program the XU1 socketed flash part (AM29F040B)with the ROM mode image of RedBoot. Use the on-board EPPC-Bug monitor to updateRedBoot. </P><P>This assumes that you have EPPC-Bug in the on-board flash. This canbe determined by setting up the board according to the following instructionsand powering up the board. </P><P>The EPPC-Bug prompt should appear on the SMC1 connector at 9600 baud,8N1. </P><P></P><OLTYPE="1"><LI><P>Set jumper 3 to 2-3 [allow XU1 flash to be programmed] </P></LI><LI><P>Set jumper 4 to 2-3 [boot EPPC-Bug] </P></LI></OL><P>If it is available, program the flash by following these steps: </P><P></P><OLTYPE="1"><LI><P>Prepare EPPC-Bug for download: <TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="SCREEN">EPPC-Bug><TTCLASS="USERINPUT"><B>lo 0</B></TT></PRE></TD></TR></TABLE>At this point the monitor is ready for input. It will notreturn the prompt until the file has been downloaded. </P></LI><LI><P>Use the terminal emulator's ASCII download feature (or a simpleclipboard copy/paste operation) to download the<TTCLASS="FILENAME">redboot.ppcbug</TT> file.</P><P>Note that on Linux, <SPANCLASS="APPLICATION">Minicom</SPAN>'s ASCIIdownload feature seems to be broken. A workaround is to load the fileinto <SPANCLASS="APPLICATION">emacs</SPAN> (or another editor) and copy thefull contents to the clipboard. Then press the mouse paste-button (usuallythe middle one) over the <SPANCLASS="APPLICATION">Minicom</SPAN> window. </P></LI><LI><P>Program the flash with the downloaded data: <TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="SCREEN">EPPC-Bug><TTCLASS="USERINPUT"><B>pflash 40000 60000 fc000000</B></TT></PRE></TD></TR></TABLE></P></LI><LI><P>Switch off the power, and change jumper 4 to 1-2. Turn onthe power again. The board should now boot using the newly programmed RedBoot.</P></LI></OL></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN7187">Special RedBoot Commands</H2><P>None.</P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN7190">Memory Maps</H2><P>Memory Maps RedBoot sets up the following memory map on the MBX board.<TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="PROGRAMLISTING">Physical Address Range Description----------------------- -----------0x00000000 - 0x003fffff DRAM0xfa100000 - 0xfa100003 LEDs0xfe000000 - 0xfe07ffff flash (AMD29F040B)0xff000000 - 0xff0fffff MPC registers</PRE></TD></TR></TABLE></P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN7194">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=mbxexport ARCH_DIR=powerpcexport PLATFORM_DIR=mbx</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="viper.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="edk7708.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">PowerPC/MPC860T Analogue & Micro PowerPC 860T</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="installation-and-testing.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">SuperH/SH3(SH7708) Hitachi EDK7708</TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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