URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [user-guide/] [setup-sh-cq7750.html] - Rev 576
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 >SH4/CQ7750 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/SE77x9 Hardware Setup" HREF="setup-sh-se77x9.html"><LINK REL="NEXT" TITLE="SH4/SE7751 Hardware Setup" HREF="setup-sh-se7751.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-se77x9.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-se7751.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="SETUP-SH-CQ7750">SH4/CQ7750 Hardware Setup</H1 ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN4195">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="AEN4201">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="AEN4204">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="AEN4207">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->New</I ></SPAN > menu item if necessary to do this.</P ></LI ><LI ><P >Choose the <SPAN CLASS="emphasis" ><I CLASS="EMPHASIS" >Build->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->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->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="AEN4227">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="AEN4242">Programming the stubs in EPROM/FLASH</H2 ><P >The board can use different sizes of ROMs. Use this table to adjust the board’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-se77x9.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-se7751.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SH3/SE77x9 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" >SH4/SE7751 Hardware Setup</TD ></TR ></TABLE ></DIV ></BODY ></HTML >
Go to most recent revision | Compare with Previous | Blame | View Log