X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=Documentation%2Farm%2FIXP4xx;h=43edb4ecf27dbdd7138ea3c969f4c45cbcd720c7;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=d86d818a492d857167b3fb4428538c9ffbb50adc;hpb=e812ccbe0c915857ebea6a632bfadc631f7504a9;p=linux-2.6.git

diff --git a/Documentation/arm/IXP4xx b/Documentation/arm/IXP4xx
index d86d818a4..43edb4ecf 100644
--- a/Documentation/arm/IXP4xx
+++ b/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)
@@ -82,7 +85,7 @@ IXP4xx provides two methods of accessing PCI memory space:
 2) If > 64MB of memory space is required, the IXP4xx can be 
    configured to use indirect registers to access PCI This allows 
    for up to 128MB (0x48000000 to 0x4fffffff) of memory on the bus. 
-   The disadvantadge of this is that every PCI access requires 
+   The disadvantage of this is that every PCI access requires 
    three local register accesses plus a spinlock, but in some 
    cases the performance hit is acceptable. In addition, you cannot 
    mmap() PCI devices in this case due to the indirect nature
@@ -122,6 +125,21 @@ 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
+   added. One issue with this board is that the mini-PCI slots only
+   have the 3.3v line connected, so you can't use a PCI to mini-PCI
+   adapter with an E100 card. So to NFS root you need to use either
+   the CSR or a WiFi card and a ramdisk that BOOTPs and then does
+   a pivot_root to NFS.
+
 Motorola PrPMC1100 Processor Mezanine Card
 http://www.fountainsys.com/datasheet/PrPMC1100.pdf
 
@@ -145,6 +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
@@ -152,4 +171,4 @@ Robert E. Ranslam
 
 -------------------------------------------------------------------------
 
-Last Update: 5/13/2004
+Last Update: 01/04/2005