OpenCores
URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [user-guide/] [setup-sh-cq7708.html] - Rev 249

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
>SH3/CQ7708 Hardware Setup</TITLE
><meta name="MSSmartTagsPreventParsing" content="TRUE">
<META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
"><LINK
REL="HOME"
TITLE="eCos User Guide"
HREF="ecos-user-guide.html"><LINK
REL="UP"
TITLE="Target Setup"
HREF="appendix-target-setup.html"><LINK
REL="PREVIOUS"
TITLE="SH3/EDK7708 Hardware Setup"
HREF="setup-sh-edk7708.html"><LINK
REL="NEXT"
TITLE="SH3/HS7729PCI Hardware Setup"
HREF="setup-sh-hs7729pci.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 User Guide</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="setup-sh-edk7708.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
>Appendix A. Target Setup</TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="setup-sh-hs7729pci.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="SETUP-SH-CQ7708">SH3/CQ7708 Hardware Setup</H1
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN4116">Preparing the board</H2
><P
>Make sure the DIP switches on the board are set as follows:
  </P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>SW1-1 ON
SW1-2 OFF   
SW1-3 ON   
SW1-4 OFF</PRE
></TD
></TR
></TABLE
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>SW2-1 ON   
SW2-2 ON   
SW2-3 OFF   
SW2-4 OFF</PRE
></TD
></TR
></TABLE
><P
>If you are using a straight through serial cable which has
flow control lines, you will also need to cut JP12 (5-6) as the
flow control lines can cause NMIs.</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN4122">eCos GDB Stubs</H2
><P
>The eCos installation CD contains a copy of the eCos GDB stubs
in  binary format which must be programmed into an EPROM or FLASH
and  installed on the board.</P
><DIV
CLASS="SECT3"
><H3
CLASS="SECT3"
><A
NAME="AEN4125">Preparing the GDB stubs</H3
><P
>These stub preparation steps are not strictly necessary as
the eCos distribution ships with pre-compiled stubs in the directory
loaders/sh3-cq7708 relative to the installation root.</P
></DIV
><DIV
CLASS="SECT3"
><H3
CLASS="SECT3"
><A
NAME="AEN4128">Building the GDB stub image with the eCos Configuration Tool</H3
><P
></P
><OL
TYPE="1"
><LI
><P
>Start with a new document - selecting the 
<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>File-&#62;New</I
></SPAN
>
 menu item if necessary to do this.</P
></LI
><LI
><P
>Choose the 
<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Build-&#62;Templates</I
></SPAN
>
 menu item, and then select the SH3 cq7708 hardware.</P
></LI
><LI
><P
>While still displaying the 
<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Build-&#62;Templates</I
></SPAN
>
 dialog box, select the stubs package template to build a GDB stub.
Click 
<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>OK</I
></SPAN
>.</P
></LI
><LI
><P
> Build eCos stubs using 
<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Build-&#62;Library</I
></SPAN
>.</P
></LI
><LI
><P
> When the build completes, the image files can be found
in the 
<TT
CLASS="FILENAME"
>bin/</TT
>
 subdirectory of the install tree. GDB stub images have the prefix 
<TT
CLASS="FILENAME"
>gdb_module</TT
>.</P
></LI
></OL
></DIV
><DIV
CLASS="SECT3"
><H3
CLASS="SECT3"
><A
NAME="AEN4148">Building the GDB stub image with ecosconfig</H3
><P
></P
><OL
TYPE="1"
><LI
><P
>Make an empty directory to contain the build tree,
and cd into it.</P
></LI
><LI
><P
> To build a GDB stub ROM image, enter the command: 
 
<TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>$ ecosconfig new cq7708 stubs </PRE
></TD
></TR
></TABLE
></P
></LI
><LI
><P
> Enter the commands:
 
<TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>$ ecosconfig tree      
$ make</PRE
></TD
></TR
></TABLE
></P
></LI
><LI
><P
>When the build completes, the image files can be found
in the 
<TT
CLASS="FILENAME"
>bin/</TT
>
 subdirectory of the install tree. GDB stub images have the prefix 
<TT
CLASS="FILENAME"
>gdb_module</TT
>.  </P
></LI
></OL
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN4163">Programming the stubs in EPROM/FLASH</H2
><P
>The board can use different sizes of ROMs. Use this table
to adjust the board&#8217;s jumpers to the ROM sizes you are
using.</P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>size(kbit)    JP7   JP9   JP10   JP11     
256           2-3   2-3   open   open     
512           1-2   2-3   open   open     
1000          1-2   open  open   2-3     
2000          1-2   1-2   open   2-3     
4000          1-2   1-2   short  2-3     
8000          1-2   1-2   short  1-2</PRE
></TD
></TR
></TABLE
><P
>There are two ways to program the stubs. We advise you to
use method 1, since it is simpler. Method 2 is unsupported and requires
a bit of fiddling.</P
><P
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Method 1: </I
></SPAN
> </P
><P
>Program the binary stub image into two EPROMs, E and O. EPROM
E should  contain the even bytes, and O the odd bytes (your EPROM
programmer should  have the ability to split the image).</P
><P
>EPROM E should be installed in socket IC8, and EPROM O should
be  installed in socket IC4.</P
><P
>Set JP6 to 16 bit mode (1-2 soldered, 2-3 cut)  Set SW1-4
to ON and SW2-1 to OFF.</P
><P
></P
><P
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Method2: </I
></SPAN
> </P
><P
>Assuming that the stub binary is smaller than 32 KB, you can
install it in a single EPROM.</P
><P
>Compile the <TT
CLASS="FILENAME"
>mkcqrom.c</TT
> program
found in the <TT
CLASS="FILENAME"
>misc</TT
> directory.</P
><P
>Use it to convert the binary image to the required format.
See the  <TT
CLASS="FILENAME"
>mkcqrom.c</TT
> source for a
description of what is done, and why it is  necessary. </P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
> % mkcqrom gdb_module.bin gdb_mangled.bin</PRE
></TD
></TR
></TABLE
><P
>Program the <TT
CLASS="FILENAME"
>gdb_mangled.bin</TT
> file
into an EPROM and install it in  socket IC4</P
><P
>Set JP6 to 8 bit mode (cut 1-2, solder 2-3)</P
><P
>The GDB stubs allow communication with GDB using the serial
port at connector CN7. The communication parameters are fixed at
38400 baud, 8 data bits, no parity bit and 1 stop bit (8-N-1). No
flow control is employed. Connection to the host computer should
be made using a  straight through serial cable.</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="setup-sh-edk7708.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="ecos-user-guide.html"
ACCESSKEY="H"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="setup-sh-hs7729pci.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>SH3/EDK7708 Hardware Setup</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="appendix-target-setup.html"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>SH3/HS7729PCI Hardware Setup</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>

Go to most recent revision | Compare with Previous | Blame | View Log

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.