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><H1
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><A
NAME="PID">ARM/ARM7+ARM9 ARM PID Board and EPI Dev7+Dev9</H1
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN5204">Overview</H2
><P
>RedBoot
uses either of the serial ports. The default serial port settings are 38400,8,N,1.
Management of onboard flash is also supported.</P
><P
>The following RedBoot configurations are supported:
<DIV
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NAME="AEN5214"><P
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><TABLE
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><THEAD
><TR
><TH
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>Configuration</TH
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ALIGN="LEFT"
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>Mode</TH
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>Description</TH
><TH
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>File</TH
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><TD
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>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
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VALIGN="TOP"
>redboot_RAM.ecm</TD
></TR
></TBODY
></TABLE
><P
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><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN5233">Initial Installation Method</H2
><P
>Device programmer is used to program socketed flash parts with ROM version
of RedBoot. </P
><P
>Alternatively, to install RedBoot on a target that already has eCos
GDB stubs, download the RAM mode image of RedBoot and run it. Initialize the
flash image directory: <B
CLASS="COMMAND"
>fis init</B
> Then
download the ROM version of RedBoot and program it into flash: <TABLE
BORDER="5"
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><TR
><TD
><PRE
CLASS="SCREEN"
>RedBoot> <TT
CLASS="USERINPUT"
><B
>load -b %{FREEMEMLO} -m ymodem</B
></TT
>
RedBoot> <TT
CLASS="USERINPUT"
><B
>fi cr RedBoot</B
></TT
></PRE
></TD
></TR
></TABLE
></P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN5241">Special RedBoot Commands</H2
><P
>None.</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN5244">Memory Maps</H2
><P
>RedBoot sets up the following memory map on the PID board. <TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>Physical Address Range Description
----------------------- -----------
0x00000000 - 0x0007ffff DRAM
0x04000000 - 0x04080000 flash
0x08000000 - 0x09ffffff ASB Expansion
0x0a000000 - 0x0bffffff APB Reference Peripheral
0x0c000000 - 0x0fffffff NISA Serial, Parallel and PC Card ports </PRE
></TD
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><A
NAME="AEN5248">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
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><TR
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><PRE
CLASS="PROGRAMLISTING"
>export TARGET=pid
export ARCH_DIR=arm
export PLATFORM_DIR=pid</PRE
></TD
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><P
>The names of configuration files are listed above with the
description of the associated modes.</P
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