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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/ARM7 Cirrus Logic EP7xxx (EDB7211, EDB7212, EDB7312) </TITLE><meta name="MSSmartTagsPreventParsing" content="TRUE"><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+"><LINKREL="HOME"TITLE="eCos Reference Manual"HREF="ecos-ref.html"><LINKREL="UP"TITLE="Installation and Testing"HREF="installation-and-testing.html"><LINKREL="PREVIOUS"TITLE="ARM/ARM7 Atmel AT91 Evaluation Board (EB40)"HREF="at91.html"><LINKREL="NEXT"TITLE="ARM/ARM9 Agilent AAED2000"HREF="aaed2000.html"></HEAD><BODYCLASS="SECT1"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">eCos Reference Manual</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="at91.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom">Chapter 5. Installation and Testing</TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="aaed2000.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="SECT1"><H1CLASS="SECT1"><ANAME="EDB7XXX">ARM/ARM7 Cirrus Logic EP7xxx (EDB7211, EDB7212, EDB7312)</H1><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5321">Overview</H2><P>RedBoot supports both serial ports on the board andthe ethernet port. The default serial port settings are 38400,8,N,1. RedBootalso supports flash management on the EDB7xxx for the NOR flashonly.</P><P>The following RedBoot configurations are supported: <DIVCLASS="INFORMALTABLE"><ANAME="AEN5331"><P></P><TABLEBORDER="1"CLASS="CALSTABLE"><THEAD><TR><THALIGN="LEFT"VALIGN="TOP">Configuration</TH><THALIGN="LEFT"VALIGN="TOP">Mode</TH><THALIGN="LEFT"VALIGN="TOP">Description</TH><THALIGN="LEFT"VALIGN="TOP">File</TH></TR></THEAD><TBODY><TR><TDALIGN="LEFT"VALIGN="TOP">ROM</TD><TDALIGN="LEFT"VALIGN="TOP">[ROM]</TD><TDALIGN="LEFT"VALIGN="TOP">RedBoot running from the board's flash boot sector.</TD><TDALIGN="LEFT"VALIGN="TOP">redboot_ROM.ecm</TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP">RAM</TD><TDALIGN="LEFT"VALIGN="TOP">[RAM]</TD><TDALIGN="LEFT"VALIGN="TOP">RedBoot running from RAM with RedBoot in the flash boot sector.</TD><TDALIGN="LEFT"VALIGN="TOP">redboot_RAM.ecm</TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP">ROMRAM</TD><TDALIGN="LEFT"VALIGN="TOP">[ROMRAM]</TD><TDALIGN="LEFT"VALIGN="TOP">RedBoot running from RAM, but contained in the board's flash boot sector (EDB7312 only).</TD><TDALIGN="LEFT"VALIGN="TOP">redboot_ROMRAM.ecm</TD></TR></TBODY></TABLE><P></P></DIV></P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5355">Initial Installation Method</H2><P>A Windows or Linux utility is used to program flash using serial port#1 via on-chip programming firmware. See board documentation for details onin situ flash programming. </P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5358">Special RedBoot Commands</H2><P>None.</P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5361">Memory Maps</H2><P>The MMU page tables and LCD display buffer, if enabled, are locatedat the end of DRAM. <DIVCLASS="NOTE"><BLOCKQUOTECLASS="NOTE"><P><B>NOTE: </B>The virtual memory maps in this section use a C and B column to indicatewhether or not the region is cached (C) or buffered (B).</P></BLOCKQUOTE></DIV><TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="PROGRAMLISTING">Physical Address Range Description----------------------- ----------------------------------0x00000000 - 0x01ffffff NOR Flash (EDB7211, EDB7212)0x00000000 - 0x00ffffff NOR Flash (EDB7312)0x10000000 - 0x11ffffff NAND Flash0x20000000 - 0x2fffffff Expansion 20x30000000 - 0x3fffffff Expansion 30x40000000 - 0x4fffffff PCMCIA 00x50000000 - 0x5fffffff PCMCIA 10x60000000 - 0x600007ff On-chip SRAM0x80000000 - 0x8fffffff I/O registers0xc0000000 - 0xc1ffffff DRAM (EDB7211, EDB7212)0xc0000000 - 0xc0ffffff DRAM (EDB7312)Virtual Address Range C B Description----------------------- - - ----------------------------------0x00000000 - 0x01ffffff Y Y DRAM 0x00000000 - 0x00fcffff Y Y DRAM (EDB7312)0x20000000 - 0x2fffffff N N Expansion 20x30000000 - 0x3fffffff N N Expansion 30x40000000 - 0x4fffffff N N PCMCIA 00x50000000 - 0x5fffffff N N PCMCIA 10x60000000 - 0x600007ff Y Y On-chip SRAM0x80000000 - 0x8fffffff N N I/O registers0xc0000000 - 0xc001ffff N Y LCD buffer (if configured)0xe0000000 - 0xe1ffffff Y Y NOR Flash (EDB7211, EDB7212)0xe0000000 - 0xe0ffffff Y Y NOR Flash (EDB7312)0xf0000000 - 0xf1ffffff Y Y NAND FlashThe flash based RedBoot image occupies virtual addresses 0xe0000000 - 0xe003ffff.</PRE></TD></TR></TABLE></P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5368">Platform Resource Usage</H2><P>The EP7xxx timer #2 is used as a polled timer to provide timeout supportfor network and XModem file transfers.</P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN5371">Rebuilding RedBoot</H2><P>These shell variables provide the platform-specific informationneeded for building RedBoot according to the procedure described in<AHREF="rebuilding-redboot.html">Chapter 3</A>:<TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="PROGRAMLISTING">export TARGET=edb7211export TARGET=edb7212export TARGET=edb7312export ARCH_DIR=armexport PLATFORM_DIR=edb7xxx</PRE></TD></TR></TABLE>Use one of the TARGET settings only.</P><P>The names of configuration files are listed above with thedescription of the associated modes.</P></DIV></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="at91.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="ecos-ref.html"ACCESSKEY="H">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="aaed2000.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">ARM/ARM7 Atmel AT91 Evaluation Board (EB40)</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="installation-and-testing.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">ARM/ARM9 Agilent AAED2000</TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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