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>ARM/StrongARM(SA110) Intel EBSA 285</TITLE
>ARM/StrongARM(SA110) Intel EBSA 285</TITLE
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CLASS="SECT1"
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><H1
><H1
CLASS="SECT1"
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><A
><A
NAME="EBSA285">ARM/StrongARM(SA110) Intel EBSA 285</H1
NAME="EBSA285">ARM/StrongARM(SA110) Intel EBSA 285</H1
><DIV
><DIV
CLASS="SECT2"
CLASS="SECT2"
><H2
><H2
CLASS="SECT2"
CLASS="SECT2"
><A
><A
NAME="AEN5585">Overview</H2
NAME="AEN5585">Overview</H2
><P
><P
>RedBoot
>RedBoot
uses the single EBSA-285 serial port. The default serial port settings are
uses the single EBSA-285 serial port. The default serial port settings are
38400,8,N,1. If the EBSA-285 is used as a host on a PCI backplane, ethernet
38400,8,N,1. If the EBSA-285 is used as a host on a PCI backplane, ethernet
is supported using an Intel PRO/100+ ethernet adapter. Management of
is supported using an Intel PRO/100+ ethernet adapter. Management of
onboard flash is also supported.</P
onboard flash is also supported.</P
><P
><P
>The following RedBoot configurations are supported:
>The following RedBoot configurations are supported:
 
 
      <DIV
      <DIV
CLASS="INFORMALTABLE"
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><A
><A
NAME="AEN5595"><P
NAME="AEN5595"><P
></P
></P
><TABLE
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><THEAD
><THEAD
><TR
><TR
><TH
><TH
ALIGN="LEFT"
ALIGN="LEFT"
VALIGN="TOP"
VALIGN="TOP"
>Configuration</TH
>Configuration</TH
><TH
><TH
ALIGN="LEFT"
ALIGN="LEFT"
VALIGN="TOP"
VALIGN="TOP"
>Mode</TH
>Mode</TH
><TH
><TH
ALIGN="LEFT"
ALIGN="LEFT"
VALIGN="TOP"
VALIGN="TOP"
>Description</TH
>Description</TH
><TH
><TH
ALIGN="LEFT"
ALIGN="LEFT"
VALIGN="TOP"
VALIGN="TOP"
>File</TH
>File</TH
></TR
></TR
></THEAD
></THEAD
><TBODY
><TBODY
><TR
><TR
><TD
><TD
ALIGN="LEFT"
ALIGN="LEFT"
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>ROM</TD
>ROM</TD
><TD
><TD
ALIGN="LEFT"
ALIGN="LEFT"
VALIGN="TOP"
VALIGN="TOP"
>[ROM]</TD
>[ROM]</TD
><TD
><TD
ALIGN="LEFT"
ALIGN="LEFT"
VALIGN="TOP"
VALIGN="TOP"
>RedBoot running from the board's flash boot
>RedBoot running from the board's flash boot
              sector.</TD
              sector.</TD
><TD
><TD
ALIGN="LEFT"
ALIGN="LEFT"
VALIGN="TOP"
VALIGN="TOP"
>redboot_ROM.ecm</TD
>redboot_ROM.ecm</TD
></TR
></TR
><TR
><TR
><TD
><TD
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ALIGN="LEFT"
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>RAM</TD
>RAM</TD
><TD
><TD
ALIGN="LEFT"
ALIGN="LEFT"
VALIGN="TOP"
VALIGN="TOP"
>[RAM]</TD
>[RAM]</TD
><TD
><TD
ALIGN="LEFT"
ALIGN="LEFT"
VALIGN="TOP"
VALIGN="TOP"
>RedBoot running from RAM with RedBoot in the
>RedBoot running from RAM with RedBoot in the
              flash boot sector.</TD
              flash boot sector.</TD
><TD
><TD
ALIGN="LEFT"
ALIGN="LEFT"
VALIGN="TOP"
VALIGN="TOP"
>redboot_RAM.ecm</TD
>redboot_RAM.ecm</TD
></TR
></TR
></TBODY
></TBODY
></TABLE
></TABLE
><P
><P
></P
></P
></DIV
></DIV
></P
></P
></DIV
></DIV
><DIV
><DIV
CLASS="SECT2"
CLASS="SECT2"
><H2
><H2
CLASS="SECT2"
CLASS="SECT2"
><A
><A
NAME="AEN5614">Initial Installation Method</H2
NAME="AEN5614">Initial Installation Method</H2
><P
><P
>A linux application is used to program the flash over the PCI bus. Sources
>A linux application is used to program the flash over the PCI bus. Sources
and build instructions for this utility are located in the RedBoot sources
and build instructions for this utility are located in the RedBoot sources
in: <TT
in: <TT
CLASS="FILENAME"
CLASS="FILENAME"
>packages/hal/arm/ebsa285/current/support/linux/safl_util</TT
>packages/hal/arm/ebsa285/current/support/linux/safl_util</TT
></P
></P
></DIV
></DIV
><DIV
><DIV
CLASS="SECT2"
CLASS="SECT2"
><H2
><H2
CLASS="SECT2"
CLASS="SECT2"
><A
><A
NAME="AEN5618">Communication Channels</H2
NAME="AEN5618">Communication Channels</H2
><P
><P
>Serial, Intel PRO 10/100+ 82559 PCI ethernet card.</P
>Serial, Intel PRO 10/100+ 82559 PCI ethernet card.</P
></DIV
></DIV
><DIV
><DIV
CLASS="SECT2"
CLASS="SECT2"
><H2
><H2
CLASS="SECT2"
CLASS="SECT2"
><A
><A
NAME="AEN5621">Special RedBoot Commands</H2
NAME="AEN5621">Special RedBoot Commands</H2
><P
><P
>None.</P
>None.</P
></DIV
></DIV
><DIV
><DIV
CLASS="SECT2"
CLASS="SECT2"
><H2
><H2
CLASS="SECT2"
CLASS="SECT2"
><A
><A
NAME="AEN5624">Memory Maps</H2
NAME="AEN5624">Memory Maps</H2
><P
><P
>Physical and virtual mapping are mapped one to one on the EBSA-285 using
>Physical and virtual mapping are mapped one to one on the EBSA-285 using
a first level page table located at address 0x4000. No second level tables
a first level page table located at address 0x4000. No second level tables
are used. <DIV
are used. <DIV
CLASS="NOTE"
CLASS="NOTE"
><BLOCKQUOTE
><BLOCKQUOTE
CLASS="NOTE"
CLASS="NOTE"
><P
><P
><B
><B
>NOTE: </B
>NOTE: </B
>The virtual memory maps in this section use a C and B column to indicate
>The virtual memory maps in this section use a C and B column to indicate
whether or not the region is cached (C) or buffered (B).</P
whether or not the region is cached (C) or buffered (B).</P
></BLOCKQUOTE
></BLOCKQUOTE
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><TD
><TD
><PRE
><PRE
CLASS="PROGRAMLISTING"
CLASS="PROGRAMLISTING"
>Address Range            C B  Description
>Address Range            C B  Description
-----------------------  - -  ----------------------------------
-----------------------  - -  ----------------------------------
0x00000000 - 0x01ffffff  Y Y  SDRAM
0x00000000 - 0x01ffffff  Y Y  SDRAM
0x40000000 - 0x400fffff  N N  21285 Registers
0x40000000 - 0x400fffff  N N  21285 Registers
0x41000000 - 0x413fffff  Y N  flash
0x41000000 - 0x413fffff  Y N  flash
0x42000000 - 0x420fffff  N N  21285 CSR Space
0x42000000 - 0x420fffff  N N  21285 CSR Space
0x50000000 - 0x50ffffff  Y Y  Cache Clean
0x50000000 - 0x50ffffff  Y Y  Cache Clean
0x78000000 - 0x78ffffff  N N  Outbound Write Flush
0x78000000 - 0x78ffffff  N N  Outbound Write Flush
0x79000000 - 0x7c0fffff  N N  PCI IACK/Config/IO
0x79000000 - 0x7c0fffff  N N  PCI IACK/Config/IO
0x80000000 - 0xffffffff  N Y  PCI Memory </PRE
0x80000000 - 0xffffffff  N Y  PCI Memory </PRE
></TD
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><DIV
><DIV
CLASS="SECT2"
CLASS="SECT2"
><H2
><H2
CLASS="SECT2"
CLASS="SECT2"
><A
><A
NAME="AEN5631">Platform Resource Usage</H2
NAME="AEN5631">Platform Resource Usage</H2
><P
><P
>Timer3 is used as a polled timer to provide timeout support for networking
>Timer3 is used as a polled timer to provide timeout support for networking
and XModem file transfers.</P
and XModem file transfers.</P
></DIV
></DIV
><DIV
><DIV
CLASS="SECT2"
CLASS="SECT2"
><H2
><H2
CLASS="SECT2"
CLASS="SECT2"
><A
><A
NAME="AEN5634">Rebuilding RedBoot</H2
NAME="AEN5634">Rebuilding RedBoot</H2
><P
><P
>These shell variables provide the platform-specific information
>These shell variables provide the platform-specific information
needed for building RedBoot according to the procedure described in
needed for building RedBoot according to the procedure described in
<A
<A
HREF="rebuilding-redboot.html"
HREF="rebuilding-redboot.html"
>Chapter 3</A
>Chapter 3</A
>:
>:
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><PRE
><PRE
CLASS="PROGRAMLISTING"
CLASS="PROGRAMLISTING"
>export TARGET=ebsa285
>export TARGET=ebsa285
export ARCH_DIR=arm
export ARCH_DIR=arm
export PLATFORM_DIR=ebsa285</PRE
export PLATFORM_DIR=ebsa285</PRE
></TD
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></P
></P
><P
><P
>The names of configuration files are listed above with the
>The names of configuration files are listed above with the
description of the associated modes.</P
description of the associated modes.</P
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