[ARM PATCH] 2346/1: Update IXP4xx documentation

Patch from Deepak Saxena

This patch updates the IXP4xx documentation with information about 
the latest chipsets and supported devices.

Supercedes 2308/1

Signed-off-by: Deepak Saxena
Signed-off-by: Russell King

Documentation/arm/IXP4xx

@@ -12,8 +12,11 @@ is targeted for network applications, though it has become popular
 in industrial control and other areas due to low cost and power
 consumption. The IXP4xx family currently consists of several processors
 that support different network offload functions such as encryption,
-routing, firewalling, etc. For more information on the various
-versions of the CPU, see:
+routing, firewalling, etc. The IXP46x family is an updated version which
+supports faster speeds, new memory and flash configurations, and more
+integration such as an on-chip I2C controller.
+
+For more information on the various versions of the CPU, see:
 
    http://developer.intel.com/design/network/products/npfamily/ixp4xx.htm
 
@@ -27,7 +30,7 @@ Linux currently supports the following features on the IXP4xx chips:
 - Dual serial ports
 - PCI interface
 - Flash access (MTD/JFFS)
-- I2C through GPIO
+- I2C through GPIO on IXP42x
 - GPIO for input/output/interrupts 
   See include/asm-arm/arch-ixp4xx/platform.h for access functions.
 - Timers (watchdog, OS)
@@ -122,6 +125,12 @@ http://developer.intel.com/design/network/products/npfamily/ixdp425.htm
    also known as the Richfield board. It contains 4 PCI slots, 16MB
    of flash, two 10/100 ports and one ADSL port.
 
+Intel IXDP465 Development Platform
+http://developer.intel.com/design/network/products/npfamily/ixdp465.htm
+
+   This is basically an IXDP425 with an IXP465 and 32M of flash instead
+   of just 16.
+
 Intel IXDPG425 Development Platform
 
    This is basically and ADI Coyote board with a NEC EHCI controller
@@ -154,6 +163,7 @@ The IXP4xx work has been funded by Intel Corp. and MontaVista Software, Inc.
 
 The following people have contributed patches/comments/etc:
 
+Lennerty Buytenhek
 Lutz Jaenicke
 Justin Mayfield
 Robert E. Ranslam
@@ -161,4 +171,4 @@ Robert E. Ranslam
 
 -------------------------------------------------------------------------
 
-Last Update: 11/16/2004
+Last Update: 01/04/2005