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$Id: README,v 1.1.1.1 2008/08/20 04:41:19 sam Exp $
Atheros Hardware Access Layer (HAL)
===================================
Read the file COPYRIGHT for the complete copyright.
This code manages much of the chip-specific operation of the Atheros
driver.
Atheros Hardware
================
There are many generations of Atheros 802.11 wireless devices that
are typically referred to by their programming model:
5210 supports 11a only
5211 supports both 11a and 11b
5212 supports 11a, 11b, and 11g
These parts have been incorporated in a variety of retail products
including cardbus cards and mini-pci cards. In addition many laptop
vendors use Atheros mini-pci cards for their builtin wireless
support.
The Atheros PCI vendor id is 0x168c. The file ah_devid.h lists most
known PCI device id's but is not exhaustive. Some vendors program
their own vendor and/or device id's to aid in BIOS-locking mini-pci
cards in laptops.
Atheros SoC Hardware
====================
In addition to the cardbus/pci devices Atheros makes System on Chip
(SoC) parts that integrate a MIPS cpu core and one or more MAC and
radio parts. Support for these parts is necessarily built
for the embedded MIPS processor where the code is to be run.
Caveats
=======
The binary hal builds provided here include no floating point and
are operating system-independent. However due to toolchain
peculiarities the .o files may be wrongly rejected by development
tools. If that happens it may be possible to patch the file header
so that the native toolchain will accept the files. In particular
this has been observed for various Linux MIPS installations for the
SoC parts. If you have issues consult the associated .inc file in
the public directory; it explains exactly how the binary file was
created (e.g. toolchain and compilation options).
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