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A. Programming the Flash Memory
Device
As you develop your own project using the Altera tools, you can program the flash
memory device so that your own design loads from flash memory into the FPGA on
power up. This appendix describes the preprogrammed contents of the common flash
interface (CFI) flash memory device on the Stratix IV E FPGA development board and
the Nios II EDS tools involved with reprogramming the user portions of the flash
memory device.
The Stratix IV E FPGA development board ships with the CFI flash device
preprogrammed with a default factory FPGA configuration for running the Board
Update Portal design example and a default user configuration for running the Board
Test System demonstration. There are several other factory software files written to
the CFI flash device to support the Board Update Portal. These software files were
created using the Nios II EDS, just as the hardware design was created using the
Quartus II software.
f For more information about Altera development tools, refer to the Design Software
page of the Altera website.
CFI Flash Memory Map
Table A–1 shows the default memory contents of the 512-Mb single-die CFI flash
device. For the Board Update Portal to run correctly and update designs in the user
memory, this memory map must not be altered.
Table A–1. Byte Address Flash Memory Map
Block Description
Unused
User software
User hardware
Reserved
zipfs (html, web content)
Factory software
Factory hardware
PFL option bits
Board information
Ethernet option bits
User design reset vector
Size (KB)
128
11,699
21,627
128
5,898
5,898
21,627
32
32
32
32
Address Range
0x03FE.0000 - 0x03FF.FFFF
0x034C.0000 - 0x03FD.FFFF
0x0202.0000 - 0x034B.FFFF
0x0200.0000 - 0x0201.FFFF
0x01A6.0000 - 0x01FF.FFFF
0x014C.0000 - 0x01A5.FFFF
0x0002.0000 - 0x014B.FFFF
0x0001.8000 - 0x0001.FFFF
0x0001.0000 - 0x0001.7FFF
0x0000.8000 - 0x0000.FFFF
0x0000.0000 - 0x0000.7FFF
c Altera recommends that you do not overwrite the factory hardware and factory
software images unless you are an expert with the Altera tools. If you unintentionally
overwrite the factory hardware or factory software image, refer to “Restoring the
Flash Device to the Factory Settings” on page A–4 .
June 2011
Altera Corporation
Stratix IV E FPGA Development Kit User Guide
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