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<!-- Copyright (C) 2003 Red Hat, Inc. --> <!-- This material may be distributed only subject to the terms --> <!-- and conditions set forth in the Open Publication License, v1.0 --> <!-- or later (the latest version is presently available at --> <!-- http://www.opencontent.org/openpub/). --> <!-- Distribution of the work or derivative of the work in any --> <!-- standard (paper) book form is prohibited unless prior --> <!-- permission is obtained from the copyright holder. --> <HTML ><HEAD ><TITLE >ARM/ARM9 Altera Excalibur</TITLE ><meta name="MSSmartTagsPreventParsing" content="TRUE"> <META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="eCos Reference Manual" HREF="ecos-ref.html"><LINK REL="UP" TITLE="Installation and Testing" HREF="installation-and-testing.html"><LINK REL="PREVIOUS" TITLE="ARM/ARM9 Agilent AAED2000" HREF="aaed2000.html"><LINK REL="NEXT" TITLE="ARM/StrongARM(SA110) Intel EBSA 285" HREF="ebsa285.html"></HEAD ><BODY CLASS="SECT1" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >eCos Reference Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="aaed2000.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 5. Installation and Testing</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="ebsa285.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="EXCALIBURARM9">ARM/ARM9 Altera Excalibur</H1 ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN5486">Overview</H2 ><P >RedBoot supports the serial port labelled P2 on the board. The default serial port settings are 57600,8,N,1. RedBoot also supports flash management on the Excalibur.</P ><P >The following RedBoot configurations are supported: <DIV CLASS="INFORMALTABLE" ><A NAME="AEN5496"><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" >ROMRAM</TD ><TD ALIGN="LEFT" VALIGN="TOP" >[ROMRAM]</TD ><TD ALIGN="LEFT" VALIGN="TOP" >RedBoot running from RAM, but contained in the board's flash boot sector.</TD ><TD ALIGN="LEFT" VALIGN="TOP" >redboot_ROMRAM.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 ><TR ><TD ALIGN="LEFT" VALIGN="TOP" >REDBOOT</TD ><TD ALIGN="LEFT" VALIGN="TOP" >[ROMRAM]</TD ><TD ALIGN="LEFT" VALIGN="TOP" >RedBoot running from top of RAM, but contained in the board's flash boot sector.</TD ><TD ALIGN="LEFT" VALIGN="TOP" >redboot_REDBOOT.ecm</TD ></TR ></TBODY ></TABLE ><P ></P ></DIV ></P ><DIV CLASS="NOTE" ><BLOCKQUOTE CLASS="NOTE" ><P ><B >NOTE: </B >RedBoot is currently hardwired to use a 128MB SDRAM SIMM module.</P ></BLOCKQUOTE ></DIV ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN5523">Initial Installation Method</H2 ><P >A Windows utility (<SPAN CLASS="APPLICATION" >exc_flash_programmer.exe</SPAN >) is used to program flash using the ByteBlasterMV JTAG unit. See board documentation for details on in situ flash programming. </P ><P >For ethernet to work (under Linux) the following jumper settings should be used on a REV 2 board: <P CLASS="LITERALLAYOUT" >SW2-9 : OFF<br> U179 : 2-3<br> JP14-18 : OPEN<br> JP40-41 : 2-3<br> JP51-55 : 2-3</P ></P ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN5529">Flash management</H2 ><P >The ROMRAM and REDBOOT configurations supported on this platform differ only in the memory layout (ROMRAM configuration runs RedBoot from 0x00008000 while REDBOOT configuration runs RedBoot from 0x07f80000). The REDBOOT configuration allows applications to be loaded and run from address 0x00008000.</P ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN5532">Special RedBoot 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 Excalibur 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 ><P >The parameters for kernel image base and size are automatically set after a load operation. So one way of starting the kernel would be: <TABLE BORDER="5" BGCOLOR="#E0E0F0" WIDTH="70%" ><TR ><TD ><PRE CLASS="SCREEN" >RedBoot> <TT CLASS="USERINPUT" ><B >load -r -b 0x100000 zImage</B ></TT > Raw file loaded 0x00100000-0x001a3d6c RedBoot> <TT CLASS="USERINPUT" ><B >exec -c "console=ttyUA0,57600"</B ></TT > Using base address 0x00100000 and length 0x000a3d6c Uncompressing Linux.....</PRE ></TD ></TR ></TABLE > An image could also be put in flash and started directly: <TABLE BORDER="5" BGCOLOR="#E0E0F0" WIDTH="70%" ><TR ><TD ><PRE CLASS="SCREEN" >RedBoot> <TT CLASS="USERINPUT" ><B >exec -b 0x40400000 -l 0xc0000 -c "console=ttyUA0,57600"</B ></TT > Uncompressing Linux.....</PRE ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN5570">Memory Maps</H2 ><P >The MMU page tables are located at 0x4000. <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 - 0x07ffffff SDRAM 0x08000000 - 0x0805ffff On-chip SRAM 0x40000000 - 0x40ffffff Flash 0x7fffc000 - 0x7fffffff I/O registers 0x80000000 - 0x8001ffff PLD Virtual Address Range C B Description ----------------------- - - ---------------------------------- 0x00000000 - 0x07ffffff Y Y SDRAM 0x08000000 - 0x0805ffff Y Y On-chip SRAM 0x40000000 - 0x403fffff N Y Flash 0x7fffc000 - 0x7fffffff N N I/O registers 0x80000000 - 0x8001ffff N N PLD</PRE ></TD ></TR ></TABLE ></P ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN5577">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 BORDER="5" BGCOLOR="#E0E0F0" WIDTH="70%" ><TR ><TD ><PRE CLASS="PROGRAMLISTING" >export TARGET=excalibur_arm9 export ARCH_DIR=arm export PLATFORM_DIR=arm9/excalibur</PRE ></TD ></TR ></TABLE ></P ><P >The names of configuration files are listed above with the description of the associated modes.</P ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="aaed2000.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ecos-ref.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="ebsa285.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >ARM/ARM9 Agilent AAED2000</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="installation-and-testing.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >ARM/StrongARM(SA110) Intel EBSA 285</TD ></TR ></TABLE ></DIV ></BODY ></HTML >
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