+++ /dev/null
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->ARM/ARM7 Cirrus Logic EP7xxx (EDB7211, EDB7212, EDB7312) </TITLE
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-TITLE="ARM/ARM7 Atmel AT91 Evaluation Board (EB40)"
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-TITLE="ARM/ARM9 Agilent AAED2000"
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->eCos Reference Manual</TH
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-><DIV
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-><H1
-CLASS="SECT1"
-><A
-NAME="EDB7XXX">ARM/ARM7 Cirrus Logic EP7xxx (EDB7211, EDB7212, EDB7312)</H1
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="AEN5321">Overview</H2
-><P
->RedBoot supports both serial ports on the board and
-the ethernet port. The default serial port settings are 38400,8,N,1. RedBoot
-also supports flash management on the EDB7xxx for the NOR flash
-only.</P
-><P
->The following RedBoot configurations are supported:
-
- <DIV
-CLASS="INFORMALTABLE"
-><A
-NAME="AEN5331"><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
-><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 (EDB7312 only).</TD
-><TD
-ALIGN="LEFT"
-VALIGN="TOP"
->redboot_ROMRAM.ecm</TD
-></TR
-></TBODY
-></TABLE
-><P
-></P
-></DIV
-></P
-></DIV
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="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 on
-in situ flash programming. </P
-></DIV
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="AEN5358">Special RedBoot Commands</H2
-><P
->None.</P
-></DIV
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="AEN5361">Memory Maps</H2
-><P
->The MMU page tables and LCD display buffer, if enabled, are located
-at the end of DRAM. <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 - 0x01ffffff NOR Flash (EDB7211, EDB7212)
-0x00000000 - 0x00ffffff NOR Flash (EDB7312)
-0x10000000 - 0x11ffffff NAND Flash
-0x20000000 - 0x2fffffff Expansion 2
-0x30000000 - 0x3fffffff Expansion 3
-0x40000000 - 0x4fffffff PCMCIA 0
-0x50000000 - 0x5fffffff PCMCIA 1
-0x60000000 - 0x600007ff On-chip SRAM
-0x80000000 - 0x8fffffff I/O registers
-0xc0000000 - 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 2
-0x30000000 - 0x3fffffff N N Expansion 3
-0x40000000 - 0x4fffffff N N PCMCIA 0
-0x50000000 - 0x5fffffff N N PCMCIA 1
-0x60000000 - 0x600007ff Y Y On-chip SRAM
-0x80000000 - 0x8fffffff N N I/O registers
-0xc0000000 - 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 Flash
-
-The flash based RedBoot image occupies virtual addresses 0xe0000000 - 0xe003ffff.</PRE
-></TD
-></TR
-></TABLE
-></P
-></DIV
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="AEN5368">Platform Resource Usage</H2
-><P
->The EP7xxx timer #2 is used as a polled timer to provide timeout support
-for network and XModem file transfers.</P
-></DIV
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="AEN5371">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"
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-><TR
-><TD
-><PRE
-CLASS="PROGRAMLISTING"
->export TARGET=edb7211
-export TARGET=edb7212
-export TARGET=edb7312
-export ARCH_DIR=arm
-export 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 the
-description of the associated modes.</P
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