URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [ref/] [mbx.html] - Rev 842
Go to most recent revision | Compare with Previous | Blame | View Log
<!-- 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">
<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="PowerPC/MPC860T Analogue & Micro PowerPC 860T"
HREF="viper.html"><LINK
REL="NEXT"
TITLE="SuperH/SH3(SH7708) Hitachi EDK7708"
HREF="edk7708.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="viper.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="edk7708.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="MBX">PowerPC/MPC8XX Motorola MBX</H1
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN7128">Overview</H2
><P
>RedBoot uses
the 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:
<DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN7139"><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="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 update
RedBoot. </P
><P
>This assumes that you have EPPC-Bug in the on-board flash. This can
be determined by setting up the board according to the following instructions
and powering up the board. </P
><P
>The EPPC-Bug prompt should appear on the SMC1 connector at 9600 baud,
8N1. </P
><P
></P
><OL
TYPE="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
><OL
TYPE="1"
><LI
><P
>Prepare EPPC-Bug for download: <TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>EPPC-Bug><TT
CLASS="USERINPUT"
><B
>lo 0</B
></TT
></PRE
></TD
></TR
></TABLE
>At this point the monitor is ready for input. It will not
return the prompt until the file has been downloaded. </P
></LI
><LI
><P
>Use the terminal emulator's ASCII download feature (or a simple
clipboard copy/paste operation) to download the
<TT
CLASS="FILENAME"
>redboot.ppcbug</TT
> file.</P
><P
>Note that on Linux, <SPAN
CLASS="APPLICATION"
>Minicom</SPAN
>'s ASCII
download feature seems to be broken. A workaround is to load the file
into <SPAN
CLASS="APPLICATION"
>emacs</SPAN
> (or another editor) and copy the
full contents to the clipboard. Then press the mouse paste-button (usually
the middle one) over the <SPAN
CLASS="APPLICATION"
>Minicom</SPAN
> window. </P
></LI
><LI
><P
>Program the flash with the downloaded data: <TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>EPPC-Bug><TT
CLASS="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 on
the power again. The board should now boot using the newly programmed RedBoot.</P
></LI
></OL
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN7187">Special RedBoot Commands</H2
><P
>None.</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN7190">Memory Maps</H2
><P
>Memory Maps RedBoot sets up the following memory map on the MBX board.<TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>Physical Address Range Description
----------------------- -----------
0x00000000 - 0x003fffff DRAM
0xfa100000 - 0xfa100003 LEDs
0xfe000000 - 0xfe07ffff flash (AMD29F040B)
0xff000000 - 0xff0fffff MPC registers</PRE
></TD
></TR
></TABLE
></P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN7194">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=mbx
export ARCH_DIR=powerpc
export PLATFORM_DIR=mbx</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="viper.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="edk7708.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>PowerPC/MPC860T Analogue & Micro PowerPC 860T</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"
>SuperH/SH3(SH7708) Hitachi EDK7708</TD
></TR
></TABLE
></DIV
></BODY
></HTML
> Go to most recent revision | Compare with Previous | Blame | View Log