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<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
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<HTML
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><HEAD
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><TITLE
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>SuperH/SH3(SH7729) Hitachi HS7729PCI</TITLE
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TITLE="SuperH/SH3(SH7709) Hitachi Solution Engine 7709"
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>eCos Reference Manual</TH
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><TR
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><A
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HREF="se7709.html"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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>Chapter 5. Installation and Testing</TD
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><TD
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="se77x9.html"
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><HR
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WIDTH="100%"></DIV
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><DIV
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CLASS="SECT1"
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><H1
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CLASS="SECT1"
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><A
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NAME="HS7729PCI">SuperH/SH3(SH7729) Hitachi HS7729PCI</H1
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN7363">Overview</H2
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><P
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>RedBoot uses
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the COM1 and COM2 serial ports (and the debug port on the
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motherboard).
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The default serial port settings are 38400,8,N,1.
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Ethernet is also supported using a D-Link DFE-530TX PCI plugin
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card. Management of onboard flash is also supported. </P
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><P
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>The following RedBoot configurations are supported:
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      <DIV
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CLASS="INFORMALTABLE"
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><A
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NAME="AEN7373"><P
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></P
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><TABLE
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BORDER="1"
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CLASS="CALSTABLE"
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><THEAD
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><TR
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><TH
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ALIGN="LEFT"
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VALIGN="TOP"
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>Configuration</TH
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><TH
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ALIGN="LEFT"
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VALIGN="TOP"
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>Mode</TH
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><TH
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ALIGN="LEFT"
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VALIGN="TOP"
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>Description</TH
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><TH
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ALIGN="LEFT"
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VALIGN="TOP"
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>File</TH
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></TR
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></THEAD
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><TBODY
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>ROM</TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>[ROM]</TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>RedBoot running from the board's flash boot
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              sector.</TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>redboot_ROM.ecm</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>RAM</TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>[RAM]</TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>RedBoot running from RAM with RedBoot in the
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              flash boot sector.</TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>redboot_RAM.ecm</TD
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></TR
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></TBODY
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></TABLE
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><P
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></P
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></DIV
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></P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN7392">Initial Installation Method</H2
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><P
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>A ROM mode RedBoot image must be programmed
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into the two EPROMs. Two files with a split version of the ROM mode
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image is
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provided: it is also possible to recreate these from the
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<TT
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CLASS="FILENAME"
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>redboot.bin</TT
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>
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file, but requires the <SPAN
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CLASS="APPLICATION"
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>split_word.c</SPAN
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> program in
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<TT
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CLASS="FILENAME"
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>hal/sh/hs7729pci/<TT
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CLASS="REPLACEABLE"
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><I
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>VERSION</I
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></TT
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>/misc</TT
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>
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to be built and executed with the <TT
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CLASS="FILENAME"
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>redboot.bin</TT
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>
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filename as sole argument.</P
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><P
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>After doing this it is advised that another ROM mode image of
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RedBoot is programmed into the on-board flash, and that copy be used
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for booting the board. This allows for software programmed updates of
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RedBoot instead of having to reprogram the EPROMs.</P
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><P
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></P
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><OL
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TYPE="1"
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><LI
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><P
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>Program the EPROMs with RedBoot. The .lo image should
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go in socket M1 and the .hi image in socket M2.</P
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></LI
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><LI
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><P
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>Set switch SW1-6 to ON [boot from EPROM]</P
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></LI
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><LI
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><P
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>Follow the instructions under Flash management for
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updating the flash copy of RedBoot, but force the flash destination
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address with
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<TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="SCREEN"
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><TT
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CLASS="USERINPUT"
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><B
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>-f 0x80400000</B
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></TT
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></PRE
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></TD
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></TR
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></TABLE
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> due to setting of
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the SW1-6 switch.</P
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></LI
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><LI
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><P
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>Set switch SW1-6 to OFF [boot from flash] and reboot the board. You
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should now see the RedBoot banner. At this time you may want to issue
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the command <B
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CLASS="COMMAND"
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>fis init</B
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> to initialize
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the flash table with the correct addresses.</P
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></LI
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></OL
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN7413">Special RedBoot Commands</H2
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><P
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>The <B
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CLASS="COMMAND"
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>exec</B
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> command which allows the loading
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and execution of Linux kernels
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is supported for this board (see <A
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HREF="executing-programs.html"
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>the Section called <I
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>Executing Programs from RedBoot</I
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> in Chapter 2</A
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>). The <B
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CLASS="COMMAND"
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>exec</B
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> parameters used for the HS7729PCI are:</P
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><P
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></P
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><DIV
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CLASS="VARIABLELIST"
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><DL
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><DT
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>-b <TT
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CLASS="REPLACEABLE"
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><I
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>&lt;addr&#62;</I
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></TT
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></DT
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><DD
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><P
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>Parameter block address. This is normally the first
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page of the kernel image and defaults to 0x8c101000</P
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></DD
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><DT
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>-i <TT
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CLASS="REPLACEABLE"
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><I
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>&lt;addr&#62;</I
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></TT
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></DT
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><DD
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><P
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>Start address of initrd
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image</P
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></DD
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><DT
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>-j <TT
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CLASS="REPLACEABLE"
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><I
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>&lt;size&#62;</I
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></TT
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></DT
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><DD
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><P
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>Size of initrd image</P
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></DD
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><DT
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>-c <TT
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CLASS="REPLACEABLE"
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><I
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>"args"</I
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></TT
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></DT
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><DD
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><P
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>Kernel arguments string</P
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></DD
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><DT
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>-m <TT
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CLASS="REPLACEABLE"
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><I
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>&lt;flags&#62;</I
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></TT
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></DT
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><DD
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><P
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>Mount rdonly flags. If set to a non-zero value the
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root partition will be mounted read-only.</P
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></DD
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><DT
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>-f <TT
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CLASS="REPLACEABLE"
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><I
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>&lt;flags&#62;</I
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></TT
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></DT
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><DD
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><P
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>RAM disk flags. Should normally be 0x4000</P
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></DD
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><DT
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>-r <TT
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CLASS="REPLACEABLE"
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><I
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>&lt;device number&#62;</I
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></TT
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></DT
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><DD
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><P
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>Root device specification. /dev/ram is 0x0101</P
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></DD
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><DT
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>-l <TT
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CLASS="REPLACEABLE"
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><I
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>&lt;type&#62;</I
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></TT
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></DT
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><DD
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><P
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>Loader type</P
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></DD
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></DL
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></DIV
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><P
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>Finally the kernel entry address can be specified as an optional
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argument. The default is 0x8c102000</P
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><P
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>On the HS7729PCI, Linux expects to be loaded at address 0x8c101000 with
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the entry point at 0x8c102000. This is configurable in the kernel
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using the CONFIG_MEMORY_START option.</P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN7462">Memory Maps</H2
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><P
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>RedBoot sets up the following memory map on the HS7729PCI board.<TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>Physical Address Range  Description
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----------------------- -----------
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0x80000000 - 0x803fffff Flash (MBM29LV160)
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0x80400000 - 0x807fffff EPROM (M27C800)
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0x82000000 - 0x82ffffff SRAM
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0x89000000 - 0x89ffffff SRAM
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0x8c000000 - 0x8fffffff SDRAM
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0xa8000000 - 0xa800ffff SuperIO (FDC37C935A)
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0xa8400000 - 0xa87fffff USB function (ML60851C)
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0xa8800000 - 0xa8bfffff USB host (SL11HT)
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0xa8c00000 - 0xa8c3ffff Switches
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0xa8c40000 - 0xa8c7ffff LEDs
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0xa8c80000 - 0xa8cfffff Interrupt controller
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0xb0000000 - 0xb3ffffff PCI (SD0001)
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0xb8000000 - 0xbbffffff PCMCIA (MaruBun)</PRE
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></TD
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></TR
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></TABLE
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></P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN7466">Rebuilding RedBoot</H2
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><P
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>These shell variables provide the platform-specific information
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needed for building RedBoot according to the procedure described in
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<A
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HREF="rebuilding-redboot.html"
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>Chapter 3</A
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>:
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<TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>export TARGET=hs7729pci
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export ARCH_DIR=sh
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export PLATFORM_DIR=hs7729pci</PRE
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></TD
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></TR
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></TABLE
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></P
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><P
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>The names of configuration files are listed above with the
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description of the associated modes.</P
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></DIV
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></DIV
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HREF="ecos-ref.html"
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>SuperH/SH3(SH7709) Hitachi Solution Engine 7709</TD
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>SuperH/SH3(SH77X9) Hitachi Solution Engine 77X9</TD
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