+++ /dev/null
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-<HTML
-><HEAD
-><TITLE
->TX49 Hardware Setup</TITLE
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-TITLE="Target Setup"
-HREF="appendix-target-setup.html"><LINK
-REL="PREVIOUS"
-TITLE="TX39 Architectural Simulator Setup"
-HREF="setup-tx39-sim.html"><LINK
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-TITLE="VR4300 Hardware Setup"
-HREF="setup-vr4300-vrc4373.html"></HEAD
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-HREF="setup-tx39-sim.html"
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->Prev</A
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->Appendix A. Target Setup</TD
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-><DIV
-CLASS="SECT1"
-><H1
-CLASS="SECT1"
-><A
-NAME="SETUP-TX49-REF4955">TX49 Hardware Setup</H1
-><P
->The eCos installation CD contains a copy of the eCos GDB stubs
-in SREC format which must be programmed into the board’s
-FLASH memory.</P
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="AEN3296">Preparing the GDB stubs</H2
-><P
->These stub preparation steps are not strictly necessary as
-the eCos distribution ships with pre-compiled stubs in the directory <TT
-CLASS="FILENAME"
->loaders/tx49-ref4955</TT
-> relative
-to the installation root.</P
-><DIV
-CLASS="SECT3"
-><H3
-CLASS="SECT3"
-><A
-NAME="AEN3300">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 TX49 REF4955 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 bin/ subdirectory of the install tree. GDB stub
-images have the prefix gdb_module.</P
-></LI
-></OL
-></DIV
-><DIV
-CLASS="SECT3"
-><H3
-CLASS="SECT3"
-><A
-NAME="AEN3318">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:</P
-><TABLE
-BORDER="5"
-BGCOLOR="#E0E0F0"
-WIDTH="70%"
-><TR
-><TD
-><PRE
-CLASS="PROGRAMLISTING"
->$ ecosconfig new ref4955 stubs </PRE
-></TD
-></TR
-></TABLE
-></LI
-><LI
-><P
->Enter the commands:</P
-><TABLE
-BORDER="5"
-BGCOLOR="#E0E0F0"
-WIDTH="70%"
-><TR
-><TD
-><PRE
-CLASS="PROGRAMLISTING"
->$ ecosconfig tree
-$ make</PRE
-></TD
-></TR
-></TABLE
-></LI
-><LI
-><P
->When the build completes, the image files can be found
-in the bin/ subdirectory of the install tree. GDB stub
-images have the prefix gdb_module.</P
-></LI
-></OL
-></DIV
-></DIV
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="AEN3331">Installing GDB stubs into FLASH</H2
-><P
->Boot into the board’s firmware in little-endian mode:</P
-><P
->Set the switches like this: </P
-><P
->SW1: 10000000 (first lever up, the rest down)
-SW2: 10000010</P
-><P
->Connect serial cable on the lower connector, configure terminal
-emulator for 38400, 8-N-1.</P
-><P
->When booting the board, you should get this prompt:</P
-><TABLE
-BORDER="5"
-BGCOLOR="#E0E0F0"
-WIDTH="70%"
-><TR
-><TD
-><PRE
-CLASS="PROGRAMLISTING"
->HCP5 rev 0.9B .
-HCP5?</PRE
-></TD
-></TR
-></TABLE
-><P
->Select o (option), a (FLASH) and b (boot write). You should
-see this:</P
-><TABLE
-BORDER="5"
-BGCOLOR="#E0E0F0"
-WIDTH="70%"
-><TR
-><TD
-><PRE
-CLASS="PROGRAMLISTING"
->Boot ROM Write
-ROM address-ffffffffbd000000, Boot Bus-[32bit]
-ID2 0 4 ffffffffa002ad40
-zzz SS-40000 IV-1 CS-20000 CC-2
-Flash ROM-[28F640J5], [16bit chip] * 2 * 1
-Block size-00040000 count-64
-ROM adr ffffffffbd000000-ffffffffbe000000 mask-00fc0000
-Send Srecord file sa=00000000 size=ffffffffffffffff
-ra=fffffffffe000000
- </PRE
-></TD
-></TR
-></TABLE
-><P
->Now send the stub SREC data down to the board using the terminal
- emulator’s ‘send ASCII’ (or similar)
-functionality. </P
-><P
->Red Hat has experienced some sensitivity to how fast the data
-is written to the board. Under Windows you should configure Minicom
-to use a line delay of 100 milliseconds. Under Linux, use the slow_cat.tcl
- script:</P
-><TABLE
-BORDER="5"
-BGCOLOR="#E0E0F0"
-WIDTH="70%"
-><TR
-><TD
-><PRE
-CLASS="PROGRAMLISTING"
->% cd BASE_DIR/packages/hal/mips/ref4955/<TT
-CLASS="REPLACEABLE"
-><I
-><version></I
-></TT
->/misc
-% slow_cat.tcl < [path]/gdb_module.srec > /dev/ttyS0</PRE
-></TD
-></TR
-></TABLE
-><P
->Power off the board, and change it to boot the GDB stubs in
-big-endian mode by setting the switches like this:</P
-><P
->SW1: 00000000 (all levers down)
-SW2: 10001010</P
-><P
->The GDB stubs allow communication with GDB using the serial
-port at connector PJ7A (lower connector). 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
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