+++ /dev/null
-<!-- Copyright (C) 2003 Red Hat, Inc. -->
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-<HTML
-><HEAD
-><TITLE
->MIPS/RM7000 PMC-Sierra Ocelot</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
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-TITLE="Installation and Testing"
-HREF="installation-and-testing.html"><LINK
-REL="PREVIOUS"
-TITLE="MIPS/MIPS32(CoreLV 4Kc)+MIPS64(CoreLV 5Kc) Malta Board "
-HREF="malta.html"><LINK
-REL="NEXT"
-TITLE="MIPS/VR4375 NEC DDB-VRC4375"
-HREF="vrc4375.html"></HEAD
-><BODY
-CLASS="SECT1"
-BGCOLOR="#FFFFFF"
-TEXT="#000000"
-LINK="#0000FF"
-VLINK="#840084"
-ALINK="#0000FF"
-><DIV
-CLASS="NAVHEADER"
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->eCos Reference Manual</TH
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-><TR
-><TD
-WIDTH="10%"
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-VALIGN="bottom"
-><A
-HREF="malta.html"
-ACCESSKEY="P"
->Prev</A
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-><TD
-WIDTH="80%"
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->Chapter 5. Installation and Testing</TD
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-VALIGN="bottom"
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-HREF="vrc4375.html"
-ACCESSKEY="N"
->Next</A
-></TD
-></TR
-></TABLE
-><HR
-ALIGN="LEFT"
-WIDTH="100%"></DIV
-><DIV
-CLASS="SECT1"
-><H1
-CLASS="SECT1"
-><A
-NAME="OCELOT">MIPS/RM7000 PMC-Sierra Ocelot</H1
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="AEN6944">Overview</H2
-><P
->RedBoot
-uses the front facing serial port. The default serial port settings are 38400,8,N,1.
-RedBoot also supports ethernet. Management of onboard flash is also supported.</P
-><P
->The following RedBoot configurations are supported:
-
- <DIV
-CLASS="INFORMALTABLE"
-><A
-NAME="AEN6954"><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="AEN6973">Additional commands</H2
-><P
->The <B
-CLASS="COMMAND"
->exec</B
-> command which allows the
-loading and execution of Linux kernels, is supported for this architecture
- (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 MIPS boards are:</P
-><P
-></P
-><DIV
-CLASS="VARIABLELIST"
-><DL
-><DT
->-b <TT
-CLASS="REPLACEABLE"
-><I
-><addr></I
-></TT
-></DT
-><DD
-><P
->Location to store command line and environment passed to kernel</P
-></DD
-><DT
->-w <TT
-CLASS="REPLACEABLE"
-><I
-><time></I
-></TT
-></DT
-><DD
-><P
->Wait time in seconds before starting kernel</P
-></DD
-><DT
->-c <TT
-CLASS="REPLACEABLE"
-><I
->"params"</I
-></TT
-></DT
-><DD
-><P
->Parameters passed to kernel</P
-></DD
-><DT
-><TT
-CLASS="REPLACEABLE"
-><I
-><addr></I
-></TT
-></DT
-><DD
-><P
->Kernel entry point, defaulting to the entry point of the last image
-loaded</P
-></DD
-></DL
-></DIV
-><P
->Linux kernels on MIPS platforms expect the entry point to be called with arguments
-in the registers equivalent to a C call with prototype:
-<TABLE
-BORDER="5"
-BGCOLOR="#E0E0F0"
-WIDTH="70%"
-><TR
-><TD
-><PRE
-CLASS="PROGRAMLISTING"
->void Linux(int argc, char **argv, char **envp);</PRE
-></TD
-></TR
-></TABLE
-></P
-><P
->RedBoot will place the appropriate data at the offset specified by the
-<TT
-CLASS="PARAMETER"
-><I
->-b</I
-></TT
-> parameter, or by default at address 0x80080000, and will set the
-arguments accordingly when calling into the kernel.</P
-><P
->The default entry point, if no image with explicit entry point has been loaded and
-none is specified, is 0x80000750.</P
-></DIV
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="AEN7005">Memory Maps</H2
-><P
->RedBoot sets up the following memory map on the Ocelot board. </P
-><P
->Note that these addresses are accessed through kseg0/1 and thus translate
-to the actual address range 0x80000000-0xbfffffff, depending on the need for
-caching/non-caching access to the bus.<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 - 0x0fffffff SDRAM
-0x10000000 - 0x10ffffff PCI I/O space
-0x12000000 - 0x13ffffff PCI Memory space
-0x14000000 - 0x1400ffff Galileo system controller
-0x1c000000 - 0x1c0000ff PLD (board logic)
-0x1fc00000 - 0x1fc7ffff flash</PRE
-></TD
-></TR
-></TABLE
-></P
-></DIV
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="AEN7013">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=ocelot
-export ARCH_DIR=mips
-export PLATFORM_DIR=rm7000/ocelot</PRE
-></TD
-></TR
-></TABLE
-></P
-><P
->The names of configuration files are listed above with the
-description of the associated modes.</P
-></DIV
-></DIV
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