URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [ref/] [se77x9.html] - Rev 825
Go to most recent revision | Compare with Previous | Blame | View Log
<!-- 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
>SuperH/SH3(SH77X9) Hitachi Solution Engine 77X9</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="SuperH/SH3(SH7729) Hitachi HS7729PCI"
HREF="hs7729pci.html"><LINK
REL="NEXT"
TITLE="SuperH/SH4(SH7751) Hitachi Solution Engine 7751"
HREF="se7751.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="hs7729pci.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="se7751.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="SE77X9">SuperH/SH3(SH77X9) Hitachi Solution Engine 77X9</H1
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN7474">Overview</H2
><P
>This
description covers the MS7729SE01 and MS7709SSE0101 variants. See <A
HREF="se7709.html"
>the Section called <I
>SuperH/SH3(SH7709) Hitachi Solution Engine 7709</I
></A
>
for instructions for the MS7709SE01 variant.</P
><P
>RedBoot uses
the COM1 and COM2 serial ports. The default serial port settings are 38400,8,N,1.
Ethernet is also supported using the 10-base T connector. Management
of onboard flash is also supported.</P
><P
>The following RedBoot configurations are supported:
<DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN7486"><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="AEN7505">Initial Installation Method</H2
><P
>The Solution Engine ships with the Hitachi boot monitor in EPROM
which allows for initial programming of RedBoot:</P
><P
></P
><OL
TYPE="1"
><LI
><P
>Set switches SW4-3 and SW4-4 to ON [boot from EPROM]</P
></LI
><LI
><P
>Connect a serial cable to COM2 and power up the board.</P
></LI
><LI
><P
>After the boot monitor banner, invoke the flash
download/program command:<TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>Ready ><TT
CLASS="USERINPUT"
><B
>fl</B
></TT
></PRE
></TD
></TR
></TABLE
></P
></LI
><LI
><P
>The monitor should now ask for input:
<TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>Flash ROM data copy to RAM
Please Send A S-format Record</PRE
></TD
></TR
></TABLE
>At this point copy the
RedBoot ROM SREC file to the serial port:<TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>$ <TT
CLASS="USERINPUT"
><B
>cat redboot_ROM.eprom.srec > /dev/ttyS0</B
></TT
></PRE
></TD
></TR
></TABLE
>
Eventually you
should see something like<TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>Start Addrs = A1000000
End Addrs = A1xxxxxx
Transfer complete</PRE
></TD
></TR
></TABLE
> from the monitor.</P
></LI
><LI
><P
>Set switch SW4-3 to OFF [boot from flash] and reboot the board. You
should now see the RedBoot banner.</P
></LI
></OL
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN7525">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 SE77x9 are:</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
>-b <TT
CLASS="REPLACEABLE"
><I
><addr></I
></TT
></DT
><DD
><P
>Parameter block address. This is normally the first
page of the kernel image and defaults to 0x8c101000</P
></DD
><DT
>-i <TT
CLASS="REPLACEABLE"
><I
><addr></I
></TT
></DT
><DD
><P
>Start address of initrd
image</P
></DD
><DT
>-j <TT
CLASS="REPLACEABLE"
><I
><size></I
></TT
></DT
><DD
><P
>Size of initrd image</P
></DD
><DT
>-c <TT
CLASS="REPLACEABLE"
><I
>"args"</I
></TT
></DT
><DD
><P
>Kernel arguments string</P
></DD
><DT
>-m <TT
CLASS="REPLACEABLE"
><I
><flags></I
></TT
></DT
><DD
><P
>Mount rdonly flags. If set to a non-zero value the
root partition will be mounted read-only.</P
></DD
><DT
>-f <TT
CLASS="REPLACEABLE"
><I
><flags></I
></TT
></DT
><DD
><P
>RAM disk flags. Should normally be 0x4000</P
></DD
><DT
>-r <TT
CLASS="REPLACEABLE"
><I
><device number></I
></TT
></DT
><DD
><P
>Root device specification. /dev/ram is 0x0101</P
></DD
><DT
>-l <TT
CLASS="REPLACEABLE"
><I
><type></I
></TT
></DT
><DD
><P
>Loader type</P
></DD
></DL
></DIV
><P
>Finally the kernel entry address can be specified as an optional
argument. The default is 0x8c102000</P
><P
>On the SE77x9, Linux expects to be loaded at address 0x8c101000 with
the entry point at 0x8c102000. This is configurable in the kernel
using the CONFIG_MEMORY_START option.</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN7574">Memory Maps</H2
><P
>RedBoot sets up the following memory map on the SE77x9 board.<TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>Physical Address Range Description
----------------------- -----------
0x80000000 - 0x803fffff Flash (MBM29LV160)
0x81000000 - 0x813fffff EPROM (M27C800)
0x8c000000 - 0x8dffffff SDRAM
0xb0000000 - 0xb03fffff Ethernet (DP83902A)
0xb0400000 - 0xb07fffff SuperIO (FDC37C935A)
0xb0800000 - 0xb0bfffff Switches
0xb0c00000 - 0xbfffffff LEDs
0xb1800000 - 0xb1bfffff PCMCIA (MaruBun)</PRE
></TD
></TR
></TABLE
></P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN7578">Ethernet Driver</H2
><P
>The ethernet driver uses a hardwired ESA which can, at present,
only be changed in CDL.</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN7581">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=se77x9
export ARCH_DIR=sh
export PLATFORM_DIR=se77x9</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="hs7729pci.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="se7751.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>SuperH/SH3(SH7729) Hitachi HS7729PCI</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"
>SuperH/SH4(SH7751) Hitachi Solution Engine 7751</TD
></TR
></TABLE
></DIV
></BODY
></HTML
> Go to most recent revision | Compare with Previous | Blame | View Log