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>ARM/ARM9 Altera Excalibur</TITLE
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>eCos Reference Manual</TH
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><A
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>Prev</A
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><TD
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ALIGN="center"
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>Chapter 5. Installation and Testing</TD
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><TD
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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="EXCALIBURARM9">ARM/ARM9 Altera Excalibur</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="AEN5486">Overview</H2
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><P
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>RedBoot supports the serial port labelled
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P2 on the board. The default serial port settings are 57600,8,N,1. RedBoot
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also supports flash management on the Excalibur.</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="AEN5496"><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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>ROMRAM</TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>[ROMRAM]</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, but contained in the
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              board's 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_ROMRAM.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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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>REDBOOT</TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>[ROMRAM]</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 top of RAM, but contained in
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              the board's 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_REDBOOT.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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CLASS="NOTE"
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><BLOCKQUOTE
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CLASS="NOTE"
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><P
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><B
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>NOTE: </B
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>RedBoot is currently hardwired to use a 128MB SDRAM SIMM module.</P
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></BLOCKQUOTE
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></DIV
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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="AEN5523">Initial Installation Method</H2
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><P
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>A Windows utility
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(<SPAN
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CLASS="APPLICATION"
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>exc_flash_programmer.exe</SPAN
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>) is used to
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program flash using the ByteBlasterMV JTAG unit.
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See board documentation for details on
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in situ flash programming. </P
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><P
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>For ethernet to work (under Linux) the following jumper
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settings should be used on a REV 2 board: <P
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CLASS="LITERALLAYOUT"
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>SW2-9&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;OFF<br>
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U179&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;2-3<br>
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JP14-18&nbsp;&nbsp;:&nbsp;OPEN<br>
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JP40-41&nbsp;&nbsp;:&nbsp;2-3<br>
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JP51-55&nbsp;&nbsp;:&nbsp;2-3</P
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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="AEN5529">Flash management</H2
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><P
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>The ROMRAM and REDBOOT configurations supported on this platform
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differ only in the memory layout (ROMRAM configuration runs RedBoot from
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0x00008000 while REDBOOT configuration runs RedBoot from 0x07f80000). The
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REDBOOT configuration allows applications to be loaded and run from
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address 0x00008000.</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="AEN5532">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 Excalibur 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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>Location Linux kernel was loaded to</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;len&#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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>Length of kernel</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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>"params"</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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>Parameters passed to kernel</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;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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>'initrd' ramdisk location</P
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></DD
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><DT
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>-s <TT
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CLASS="REPLACEABLE"
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><I
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>&lt;len&#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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>Length of initrd ramdisk</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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>The parameters for kernel image base and size are automatically
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set after a load operation. So one way of starting the kernel would
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be:
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<TABLE
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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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>RedBoot&gt; <TT
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CLASS="USERINPUT"
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><B
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>load -r -b 0x100000 zImage</B
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></TT
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>
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Raw file loaded 0x00100000-0x001a3d6c
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RedBoot&gt; <TT
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CLASS="USERINPUT"
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><B
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>exec -c "console=ttyUA0,57600"</B
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></TT
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>
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Using base address 0x00100000 and length 0x000a3d6c
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Uncompressing Linux.....</PRE
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></TD
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></TR
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></TABLE
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>
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An image could also be put in flash and started directly:
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<TABLE
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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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>RedBoot&gt; <TT
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CLASS="USERINPUT"
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><B
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>exec -b 0x40400000 -l 0xc0000 -c "console=ttyUA0,57600"</B
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></TT
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>
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Uncompressing Linux.....</PRE
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></TD
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></TR
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></TABLE
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>&#13;</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="AEN5570">Memory Maps</H2
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><P
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>The MMU page tables are located at 0x4000. <DIV
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CLASS="NOTE"
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><BLOCKQUOTE
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CLASS="NOTE"
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><P
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><B
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>NOTE: </B
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>The virtual memory maps in this section use a C and B column to indicate
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whether or not the region is cached (C) or buffered (B).</P
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></BLOCKQUOTE
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></DIV
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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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>Physical Address Range     Description
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-----------------------    ----------------------------------
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0x00000000 - 0x07ffffff    SDRAM
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0x08000000 - 0x0805ffff    On-chip SRAM
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0x40000000 - 0x40ffffff    Flash
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0x7fffc000 - 0x7fffffff    I/O registers
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0x80000000 - 0x8001ffff    PLD
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Virtual Address Range    C B  Description
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-----------------------  - -  ----------------------------------
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0x00000000 - 0x07ffffff  Y Y  SDRAM
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0x08000000 - 0x0805ffff  Y Y  On-chip SRAM
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0x40000000 - 0x403fffff  N Y  Flash
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0x7fffc000 - 0x7fffffff  N N  I/O registers
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0x80000000 - 0x8001ffff  N N  PLD</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="AEN5577">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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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>export TARGET=excalibur_arm9
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export ARCH_DIR=arm
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export PLATFORM_DIR=arm9/excalibur</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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>ARM/ARM9 Agilent AAED2000</TD
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