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
- 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)
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
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
The following people have contributed patches/comments/etc:
+Lennerty Buytenhek
Lutz Jaenicke
Justin Mayfield
Robert E. Ranslam
-------------------------------------------------------------------------
-Last Update: 5/13/2004
+Last Update: 01/04/2005