What is SPI BAR?

@plutomaniac
when I execute:
fpt -SPIBAR
I get this:

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Intel (R) Flash Programming Tool. Version: 7.1.50.1166
Copyright (c) 2007-2011, Intel Corporation. All rights reserved.
 
Platform: Intel(R) Patsburg Chipset - Reserved DID 0x1D41 Revision: Unknown
Reading HSFSTS register... Flash Descriptor: Valid
 
--- Flash Devices Found ---
MX25L12805D ID:0xC22018 Size: 16384KB (131072Kb)
 
SPI BAR: FED1F800
 


What does it mean, and how can I use it. Thanks.

addendum: nevermind, I've answered my own question. Its where the SPI base address register starts in memory.