+++ /dev/null
-<!-- Copyright (C) 2003 Red Hat, Inc. -->
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-<HTML
-><HEAD
-><TITLE
->MIPS/VR4375 NEC DDB-VRC4375</TITLE
-><meta name="MSSmartTagsPreventParsing" content="TRUE">
-<META
-NAME="GENERATOR"
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-HREF="ecos-ref.html"><LINK
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-TITLE="Installation and Testing"
-HREF="installation-and-testing.html"><LINK
-REL="PREVIOUS"
-TITLE="MIPS/RM7000 PMC-Sierra Ocelot"
-HREF="ocelot.html"><LINK
-REL="NEXT"
-TITLE="PowerPC/MPC860T Analogue & Micro PowerPC 860T"
-HREF="viper.html"></HEAD
-><BODY
-CLASS="SECT1"
-BGCOLOR="#FFFFFF"
-TEXT="#000000"
-LINK="#0000FF"
-VLINK="#840084"
-ALINK="#0000FF"
-><DIV
-CLASS="NAVHEADER"
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-SUMMARY="Header navigation table"
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->eCos Reference Manual</TH
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->Chapter 5. Installation and Testing</TD
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-HREF="viper.html"
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->Next</A
-></TD
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-></TABLE
-><HR
-ALIGN="LEFT"
-WIDTH="100%"></DIV
-><DIV
-CLASS="SECT1"
-><H1
-CLASS="SECT1"
-><A
-NAME="VRC4375">MIPS/VR4375 NEC DDB-VRC4375</H1
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="AEN7021">Overview</H2
-><P
->RedBoot supports only serial port 1, which is connected to the upper
-of the stacked serial connectors on the board. The default serial
-port settings are 38400,8,N,1. FLASH management is also supported.</P
-><P
->The following RedBoot configurations are supported:
-
- <DIV
-CLASS="INFORMALTABLE"
-><A
-NAME="AEN7031"><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
-></TBODY
-></TABLE
-><P
-></P
-></DIV
-></P
-></DIV
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="AEN7050">Initial Installation Method</H2
-><P
->A device programmer should be used to program a socketed FLASH part
-(AMD 29F040). The board as delivered is configured for a 512K
-EPROM. To install a FLASH ROM, Jumpers J30, J31 and J36 need to be
-changed as described in the board's User Manual.</P
-></DIV
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="AEN7053">Special RedBoot Commands</H2
-><P
->None.</P
-></DIV
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="AEN7056">Memory Maps</H2
-><P
->RedBoot sets up the memory map primarily as described in the board's
-User Manual. There are some minor differences, noted in the following
-table:
-<TABLE
-BORDER="5"
-BGCOLOR="#E0E0F0"
-WIDTH="70%"
-><TR
-><TD
-><PRE
-CLASS="SCREEN"
->Physical Virtual Resource
-Addresses Addresses
-00000000-01FFFFFF 80000000-81FFFFFF Base SDRAM (cached)
-00000000-01FFFFFF A0000000-A1FFFFFF Base SDRAM (uncached)
-0C000000-0C0BFFFF AC000000-AC0B0000 PCI IO space
-0F000000-0F0001FF AF000000-AF0001FF VRC4375 Registers
-1C000000-1C0FFFFF BC000000-BC0FFFFF VRC4372 Registers
-1C100000-1DFFFFFF BC100000-BDFFFFFF PCI Memory space
-1FC00000-1FC7FFFF BFC00000-BFC7FFFF FLASH ROM
-80000000-8000000D C0000000-C000000D RTC
-8000000E-80007FFF C000000E-C0007FFF NVRAM
-81000000-81FFFFFF C1000000-C1FFFFFF Z85C30 DUART
-82000000-82FFFFFF C2000000-C2FFFFFF Z8536 Timer
-83000000-83FFFFFF C3000000-C3FFFFFF 8255 Parallel port
-87000000-87FFFFFF C7000000-C7FFFFFF Seven segment display</PRE
-></TD
-></TR
-></TABLE
-></P
-><DIV
-CLASS="NOTE"
-><BLOCKQUOTE
-CLASS="NOTE"
-><P
-><B
->NOTE: </B
->By default the VRC4375 SIMM control registers are not programmed
-since the values used must depend on the SIMMs installed. If SIMMs
-are to be used, correct values must be placed in these registers
-before accessing the SIMM address range.</P
-></BLOCKQUOTE
-></DIV
-><DIV
-CLASS="NOTE"
-><BLOCKQUOTE
-CLASS="NOTE"
-><P
-><B
->NOTE: </B
->The allocation of address ranges to devices in the PCI IO and
-memory spaces is handled by the eCos PCI support library. They do
-not correspond to those described in the board User Manual.</P
-></BLOCKQUOTE
-></DIV
-><DIV
-CLASS="NOTE"
-><BLOCKQUOTE
-CLASS="NOTE"
-><P
-><B
->NOTE: </B
->The MMU has been set up to relocate the VRC4372 supported devices
-mapped at physical addresses 0x8xxxxxxx to virtual addresses
-0xCxxxxxxx.</P
-></BLOCKQUOTE
-></DIV
-></DIV
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="AEN7069">Ethernet Driver</H2
-><P
->The ethernet driver is in two parts:</P
-><P
->A generic ether driver for the Intel i21143 device is located in
-<TT
-CLASS="FILENAME"
->devs/eth/intel/i21143</TT
->. Its package name is <TT
-CLASS="COMPUTEROUTPUT"
->CYGPKG_DEVS_ETH_INTEL_I21143</TT
->.</P
-><P
->The platform-specific ether driver is <TT
-CLASS="FILENAME"
->devs/eth/mips/vrc4375</TT
->. Its package is
-<TT
-CLASS="COMPUTEROUTPUT"
->CYGPKG_DEVS_ETH_MIPS_VRC4375</TT
->. This
-tells the generic driver the address in IO memory of the chip, for
-example, and other configuration details. The ESA (MAC address) is by
-default collected from on-board serial EEPROM, unless configured
-statically within this package.</P
-></DIV
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="AEN7078">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=vrc4373
-export ARCH_DIR=mips
-export PLATFORM_DIR=vrc4373</PRE
-></TD
-></TR
-></TABLE
-></P
-><P
->The names of configuration files are listed above with the
-description of the associated modes.</P
-></DIV
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