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>ARM/StrongARM(SA11X0) Intrinsyc CerfCube</TITLE
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><DIV
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><H1
CLASS="SECT1"
><A
NAME="CERFCUBE">ARM/StrongARM(SA11X0) Intrinsyc CerfCube</H1
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN6082">Overview</H2
><P
>RedBoot supports the serial port and the builtin
ethernet connection for communication and downloads. </P
><P
>The default serial port settings are 38400,8,N,1. RedBoot runs from
and supports flash management for the system flash region. </P
><P
>The following RedBoot configurations are supported:
<DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN6087"><P
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><THEAD
><TR
><TH
ALIGN="LEFT"
VALIGN="TOP"
>Configuration</TH
><TH
ALIGN="LEFT"
VALIGN="TOP"
>Mode</TH
><TH
ALIGN="LEFT"
VALIGN="TOP"
>Description</TH
><TH
ALIGN="LEFT"
VALIGN="TOP"
>File</TH
></TR
></THEAD
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
>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
ALIGN="LEFT"
VALIGN="TOP"
>redboot_RAM.ecm</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN6106">Initial Installation</H2
><P
>The original boot loader supplied with the CerfCube can be used to install
RedBoot. Connect to the device using a serial port at 38400/8N1.
Copy the binary RedBoot ROM mode image to an available TFTP server.
Issue these commands to the Instrinsyc loader:
<TABLE
BORDER="5"
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WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
><TT
CLASS="USERINPUT"
><B
>download tftp:<TT
CLASS="REPLACEABLE"
><I
>x.x.x.x</I
></TT
> redboot_ROM.bin 0xc0000000</B
></TT
>
<TT
CLASS="USERINPUT"
><B
>flashloader 0x00000000 0xc0000000 0x20000</B
></TT
></PRE
></TD
></TR
></TABLE
>
where <TT
CLASS="REPLACEABLE"
><I
>x.x.x.x</I
></TT
> is the IP address of the TFTP
server.
<DIV
CLASS="NOTE"
><BLOCKQUOTE
CLASS="NOTE"
><P
><B
>NOTE: </B
>Other installation methods may be available via the Intrinsyc loader.
Contact Intrinsyc for details.</P
></BLOCKQUOTE
></DIV
></P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN6117">Additional commands</H2
><P
>The <B
CLASS="COMMAND"
>exec</B
> command which allows the loading
and execution of Linux kernels,
is supported for this board (see <A
HREF="executing-programs.html"
>the Section called <I
>Executing Programs from RedBoot</I
> in Chapter 2</A
>). The <B
CLASS="COMMAND"
>exec</B
> parameters used for the CerfCube are:</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
>-b <TT
CLASS="REPLACEABLE"
><I
><addr></I
></TT
></DT
><DD
><P
>Location Linux kernel was loaded to</P
></DD
><DT
>-l <TT
CLASS="REPLACEABLE"
><I
><len></I
></TT
></DT
><DD
><P
>Length of kernel</P
></DD
><DT
>-c <TT
CLASS="REPLACEABLE"
><I
>"params"</I
></TT
></DT
><DD
><P
>Parameters passed to kernel</P
></DD
><DT
>-r <TT
CLASS="REPLACEABLE"
><I
><addr></I
></TT
></DT
><DD
><P
>'initrd' ramdisk location</P
></DD
><DT
>-s <TT
CLASS="REPLACEABLE"
><I
><len></I
></TT
></DT
><DD
><P
>Length of initrd ramdisk</P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN6149">Memory Maps</H2
><P
>RedBoot sets up the following memory map on the CerfCube: The first level
page table is located at physical address 0xC0004000. No second level tables
are used. <DIV
CLASS="NOTE"
><BLOCKQUOTE
CLASS="NOTE"
><P
><B
>NOTE: </B
>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
></BLOCKQUOTE
></DIV
> <TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>Physical Address Range Description
----------------------- ----------------------------------
0x00000000 - 0x01ffffff 16Mb to 32Mb FLASH (nCS0) [organized as below]
0x000000 - 0x0001ffff RedBoot
0x020000 - 0x0003ffff RedBoot [RAM version]
0xfc0000 - 0x00fdffff Fconfig data
0xfe0000 - 0x00ffffff FIS directory
0x0f000000 - 0x0fffffff Onboard ethernet
0x10000000 - 0x17ffffff CerfCube internal registers
0x20000000 - 0x3fffffff PCMCIA / Compact Flash
0x80000000 - 0xbfffffff SA-1110 Internal Registers
0xc0000000 - 0xc1ffffff DRAM Bank 0 - 32Mb SDRAM
0xe0000000 - 0xe7ffffff Cache Clean
Virtual Address Range C B Description
----------------------- - - ----------------------------------
0x00000000 - 0x01ffffff Y Y DRAM - 32Mb
0x08000000 - 0x0fffffff N N Onboard ethernet controller
0x10000000 - 0x17ffffff N N CerfCube internal registers
0x20000000 - 0x3fffffff N N PCMCIA / Compact Flash
0x50000000 - 0x51ffffff Y Y Up to 32Mb FLASH (nCS0)
0x80000000 - 0xbfffffff N N SA-1110 Internal Registers
0xc0000000 - 0xc1ffffff N Y DRAM Bank 0: 32Mb
0xe0000000 - 0xe7ffffff Y Y Cache Clean </PRE
></TD
></TR
></TABLE
> </P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN6156">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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BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>export TARGET=cerf
export ARCH_DIR=arm
export PLATFORM_DIR=sa11x0/cerf</PRE
></TD
></TR
></TABLE
></P
><P
>The names of configuration files are listed above with the
description of the associated modes.</P
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