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>eCos Reference Manual</TH
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>eCos Reference Manual</TH
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>Chapter 5. Installation and Testing</TD
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>Chapter 5. Installation and Testing</TD
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><TD
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><TD
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WIDTH="10%"
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WIDTH="10%"
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ALIGN="right"
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><H1
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><H1
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CLASS="SECT1"
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CLASS="SECT1"
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><A
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><A
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NAME="OCELOT">MIPS/RM7000 PMC-Sierra Ocelot</H1
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NAME="OCELOT">MIPS/RM7000 PMC-Sierra Ocelot</H1
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><DIV
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><DIV
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CLASS="SECT2"
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CLASS="SECT2"
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><H2
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><H2
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CLASS="SECT2"
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CLASS="SECT2"
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><A
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><A
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NAME="AEN6944">Overview</H2
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NAME="AEN6944">Overview</H2
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><P
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><P
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>RedBoot
|
>RedBoot
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uses the front facing serial port. The default serial port settings are 38400,8,N,1.
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uses the front facing serial port. The default serial port settings are 38400,8,N,1.
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RedBoot also supports ethernet. Management of onboard flash is also supported.</P
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RedBoot also supports ethernet. Management of onboard flash is also supported.</P
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><P
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><P
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>The following RedBoot configurations are supported:
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>The following RedBoot configurations are supported:
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|
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<DIV
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<DIV
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CLASS="INFORMALTABLE"
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CLASS="INFORMALTABLE"
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><A
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><A
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NAME="AEN6954"><P
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NAME="AEN6954"><P
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></P
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></P
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><TABLE
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><TABLE
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><THEAD
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><TR
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><TR
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><TH
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><TH
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ALIGN="LEFT"
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ALIGN="LEFT"
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VALIGN="TOP"
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VALIGN="TOP"
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>Configuration</TH
|
>Configuration</TH
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><TH
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><TH
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ALIGN="LEFT"
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ALIGN="LEFT"
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VALIGN="TOP"
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VALIGN="TOP"
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>Mode</TH
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>Mode</TH
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><TH
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><TH
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ALIGN="LEFT"
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ALIGN="LEFT"
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VALIGN="TOP"
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VALIGN="TOP"
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>Description</TH
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>Description</TH
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><TH
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><TH
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ALIGN="LEFT"
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ALIGN="LEFT"
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VALIGN="TOP"
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VALIGN="TOP"
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>File</TH
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>File</TH
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></TR
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></TR
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></THEAD
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></THEAD
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><TBODY
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><TBODY
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><TR
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><TR
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><TD
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><TD
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ALIGN="LEFT"
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ALIGN="LEFT"
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VALIGN="TOP"
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VALIGN="TOP"
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>ROM</TD
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>ROM</TD
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><TD
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><TD
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ALIGN="LEFT"
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ALIGN="LEFT"
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VALIGN="TOP"
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VALIGN="TOP"
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>[ROM]</TD
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>[ROM]</TD
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><TD
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><TD
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ALIGN="LEFT"
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ALIGN="LEFT"
|
VALIGN="TOP"
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VALIGN="TOP"
|
>RedBoot running from the board's flash boot
|
>RedBoot running from the board's flash boot
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sector.</TD
|
sector.</TD
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><TD
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><TD
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ALIGN="LEFT"
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ALIGN="LEFT"
|
VALIGN="TOP"
|
VALIGN="TOP"
|
>redboot_ROM.ecm</TD
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>redboot_ROM.ecm</TD
|
></TR
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></TR
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><TR
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><TR
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><TD
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><TD
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ALIGN="LEFT"
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ALIGN="LEFT"
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VALIGN="TOP"
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VALIGN="TOP"
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>RAM</TD
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>RAM</TD
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><TD
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><TD
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ALIGN="LEFT"
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ALIGN="LEFT"
|
VALIGN="TOP"
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VALIGN="TOP"
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>[RAM]</TD
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>[RAM]</TD
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><TD
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><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
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><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="AEN6973">Additional commands</H2
|
NAME="AEN6973">Additional commands</H2
|
><P
|
><P
|
>The <B
|
>The <B
|
CLASS="COMMAND"
|
CLASS="COMMAND"
|
>exec</B
|
>exec</B
|
> command which allows the
|
> command which allows the
|
loading and execution of Linux kernels, is supported for this architecture
|
loading and execution of Linux kernels, is supported for this architecture
|
(see <A
|
(see <A
|
HREF="executing-programs.html"
|
HREF="executing-programs.html"
|
>the Section called <I
|
>the Section called <I
|
>Executing Programs from RedBoot</I
|
>Executing Programs from RedBoot</I
|
> in Chapter 2</A
|
> in Chapter 2</A
|
>). The
|
>). The
|
<B
|
<B
|
CLASS="COMMAND"
|
CLASS="COMMAND"
|
>exec</B
|
>exec</B
|
> parameters used for MIPS boards are:</P
|
> parameters used for MIPS boards are:</P
|
><P
|
><P
|
></P
|
></P
|
><DIV
|
><DIV
|
CLASS="VARIABLELIST"
|
CLASS="VARIABLELIST"
|
><DL
|
><DL
|
><DT
|
><DT
|
>-b <TT
|
>-b <TT
|
CLASS="REPLACEABLE"
|
CLASS="REPLACEABLE"
|
><I
|
><I
|
><addr></I
|
><addr></I
|
></TT
|
></TT
|
></DT
|
></DT
|
><DD
|
><DD
|
><P
|
><P
|
>Location to store command line and environment passed to kernel</P
|
>Location to store command line and environment passed to kernel</P
|
></DD
|
></DD
|
><DT
|
><DT
|
>-w <TT
|
>-w <TT
|
CLASS="REPLACEABLE"
|
CLASS="REPLACEABLE"
|
><I
|
><I
|
><time></I
|
><time></I
|
></TT
|
></TT
|
></DT
|
></DT
|
><DD
|
><DD
|
><P
|
><P
|
>Wait time in seconds before starting kernel</P
|
>Wait time in seconds before starting kernel</P
|
></DD
|
></DD
|
><DT
|
><DT
|
>-c <TT
|
>-c <TT
|
CLASS="REPLACEABLE"
|
CLASS="REPLACEABLE"
|
><I
|
><I
|
>"params"</I
|
>"params"</I
|
></TT
|
></TT
|
></DT
|
></DT
|
><DD
|
><DD
|
><P
|
><P
|
>Parameters passed to kernel</P
|
>Parameters passed to kernel</P
|
></DD
|
></DD
|
><DT
|
><DT
|
><TT
|
><TT
|
CLASS="REPLACEABLE"
|
CLASS="REPLACEABLE"
|
><I
|
><I
|
><addr></I
|
><addr></I
|
></TT
|
></TT
|
></DT
|
></DT
|
><DD
|
><DD
|
><P
|
><P
|
>Kernel entry point, defaulting to the entry point of the last image
|
>Kernel entry point, defaulting to the entry point of the last image
|
loaded</P
|
loaded</P
|
></DD
|
></DD
|
></DL
|
></DL
|
></DIV
|
></DIV
|
><P
|
><P
|
>Linux kernels on MIPS platforms expect the entry point to be called with arguments
|
>Linux kernels on MIPS platforms expect the entry point to be called with arguments
|
in the registers equivalent to a C call with prototype:
|
in the registers equivalent to a C call with prototype:
|
<TABLE
|
<TABLE
|
BORDER="5"
|
BORDER="5"
|
BGCOLOR="#E0E0F0"
|
BGCOLOR="#E0E0F0"
|
WIDTH="70%"
|
WIDTH="70%"
|
><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>void Linux(int argc, char **argv, char **envp);</PRE
|
>void Linux(int argc, char **argv, char **envp);</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
></P
|
></P
|
><P
|
><P
|
>RedBoot will place the appropriate data at the offset specified by the
|
>RedBoot will place the appropriate data at the offset specified by the
|
<TT
|
<TT
|
CLASS="PARAMETER"
|
CLASS="PARAMETER"
|
><I
|
><I
|
>-b</I
|
>-b</I
|
></TT
|
></TT
|
> parameter, or by default at address 0x80080000, and will set the
|
> parameter, or by default at address 0x80080000, and will set the
|
arguments accordingly when calling into the kernel.</P
|
arguments accordingly when calling into the kernel.</P
|
><P
|
><P
|
>The default entry point, if no image with explicit entry point has been loaded and
|
>The default entry point, if no image with explicit entry point has been loaded and
|
none is specified, is 0x80000750.</P
|
none is specified, is 0x80000750.</P
|
></DIV
|
></DIV
|
><DIV
|
><DIV
|
CLASS="SECT2"
|
CLASS="SECT2"
|
><H2
|
><H2
|
CLASS="SECT2"
|
CLASS="SECT2"
|
><A
|
><A
|
NAME="AEN7005">Memory Maps</H2
|
NAME="AEN7005">Memory Maps</H2
|
><P
|
><P
|
>RedBoot sets up the following memory map on the Ocelot board. </P
|
>RedBoot sets up the following memory map on the Ocelot board. </P
|
><P
|
><P
|
>Note that these addresses are accessed through kseg0/1 and thus translate
|
>Note that these addresses are accessed through kseg0/1 and thus translate
|
to the actual address range 0x80000000-0xbfffffff, depending on the need for
|
to the actual address range 0x80000000-0xbfffffff, depending on the need for
|
caching/non-caching access to the bus.<DIV
|
caching/non-caching access to the bus.<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
|
></DIV
|
></DIV
|
><TABLE
|
><TABLE
|
BORDER="5"
|
BORDER="5"
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BGCOLOR="#E0E0F0"
|
BGCOLOR="#E0E0F0"
|
WIDTH="70%"
|
WIDTH="70%"
|
><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>Physical Address Range Description
|
>Physical Address Range Description
|
----------------------- -----------
|
----------------------- -----------
|
0x00000000 - 0x0fffffff SDRAM
|
0x00000000 - 0x0fffffff SDRAM
|
0x10000000 - 0x10ffffff PCI I/O space
|
0x10000000 - 0x10ffffff PCI I/O space
|
0x12000000 - 0x13ffffff PCI Memory space
|
0x12000000 - 0x13ffffff PCI Memory space
|
0x14000000 - 0x1400ffff Galileo system controller
|
0x14000000 - 0x1400ffff Galileo system controller
|
0x1c000000 - 0x1c0000ff PLD (board logic)
|
0x1c000000 - 0x1c0000ff PLD (board logic)
|
0x1fc00000 - 0x1fc7ffff flash</PRE
|
0x1fc00000 - 0x1fc7ffff flash</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
></P
|
></P
|
></DIV
|
></DIV
|
><DIV
|
><DIV
|
CLASS="SECT2"
|
CLASS="SECT2"
|
><H2
|
><H2
|
CLASS="SECT2"
|
CLASS="SECT2"
|
><A
|
><A
|
NAME="AEN7013">Rebuilding RedBoot</H2
|
NAME="AEN7013">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
|
>:
|
>:
|
<TABLE
|
<TABLE
|
BORDER="5"
|
BORDER="5"
|
BGCOLOR="#E0E0F0"
|
BGCOLOR="#E0E0F0"
|
WIDTH="70%"
|
WIDTH="70%"
|
><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>export TARGET=ocelot
|
>export TARGET=ocelot
|
export ARCH_DIR=mips
|
export ARCH_DIR=mips
|
export PLATFORM_DIR=rm7000/ocelot</PRE
|
export PLATFORM_DIR=rm7000/ocelot</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
></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
|
></DIV
|
></DIV
|
></DIV
|
></DIV
|
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|
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|
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|
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>MIPS/MIPS32(CoreLV 4Kc)+MIPS64(CoreLV 5Kc) Malta Board</TD
|
>MIPS/MIPS32(CoreLV 4Kc)+MIPS64(CoreLV 5Kc) Malta Board</TD
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><TD
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><TD
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WIDTH="34%"
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WIDTH="34%"
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ALIGN="center"
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ALIGN="center"
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VALIGN="top"
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VALIGN="top"
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><A
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><A
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HREF="installation-and-testing.html"
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HREF="installation-and-testing.html"
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ACCESSKEY="U"
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ACCESSKEY="U"
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>Up</A
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>Up</A
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></TD
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></TD
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><TD
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><TD
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WIDTH="33%"
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WIDTH="33%"
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ALIGN="right"
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ALIGN="right"
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VALIGN="top"
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>MIPS/VR4375 NEC DDB-VRC4375</TD
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>MIPS/VR4375 NEC DDB-VRC4375</TD
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></TR
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></TR
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