NetWinder specific documentation
================================

The NetWinder is a small low-power computer, primarily designed
to run Linux.  It is based around the StrongARM RISC processor,
DC21285 PCI bridge, with PC-type hardware glued around it.

Port usage
==========

Min    - Max	Description
---------------------------
0x0000 - 0x000f	DMA1
0x0020 - 0x0021	PIC1
0x0060 - 0x006f	Keyboard
0x0070 - 0x007f	RTC
0x0080 - 0x0087	DMA1
0x0088 - 0x008f	DMA2
0x00a0 - 0x00a3	PIC2
0x00c0 - 0x00df	DMA2
0x0180 - 0x0187	IRDA
0x01f0 - 0x01f6	ide0
0x0201		Game port
0x0203		RWA010 configuration read
0x0220 - ?	SoundBlaster
0x0250 - ?	WaveArtist
0x0279		RWA010 configuration index
0x02f8 - 0x02ff	Serial ttyS1
0x0300 - 0x031f	Ether10
0x0338		GPIO1
0x033a		GPIO2
0x0370 - 0x0371	W83977F configuration registers
0x0388 - ?	AdLib
0x03c0 - 0x03df	VGA
0x03f6		ide0
0x03f8 - 0x03ff	Serial ttyS0
0x0400 - 0x0408	DC21143
0x0480 - 0x0487	DMA1
0x0488 - 0x048f	DMA2
0x0a79		RWA010 configuration write
0xe800 - 0xe80f	ide0/ide1 BM DMA


Interrupt usage
===============

IRQ	type	Description
---------------------------
 0	ISA	100Hz timer
 1	ISA	Keyboard
 2	ISA	cascade
 3	ISA	Serial ttyS1
 4	ISA	Serial ttyS0
 5	ISA	PS/2 mouse
 6	ISA	IRDA
 7	ISA	Printer
 8	ISA	RTC alarm
 9	ISA
10	ISA	GP10 (Orange reset button)
11	ISA
12	ISA	WaveArtist
13	ISA
14	ISA	hda1
15	ISA

DMA usage
=========

DMA	type	Description
---------------------------
 0	ISA	IRDA
 1	ISA
 2	ISA	cascade
 3	ISA	WaveArtist
 4	ISA
 5	ISA
 6	ISA
 7	ISA	WaveArtist
