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nbd ae975c08ea cns3xxx: support isolated PCI interrupts on newer Laguna PCBs 
The cns3xxx uses irq61 for pcie0_intr which in the case of a PCIe-to-PCI
bridge ends up combining INTA/B/C/D on a single ARM CPU interrupt. This is
not optimal when you have multiple cores. To overcome this limitation an
enhancement was made on newer Laguna PCB's that support miniPCI cards
to route the INTA/B/C/D signals to unique external ARM CPU interrupts which
can help balance CPU core utilization and in some cases increase overall
system performance or responsiveness.

For more details see:
 http://trac.gateworks.com/wiki/multicoreprocessing#PCIInterruptsteering

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

Backport of r42400

git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@42402 3c298f89-4303-0410-b956-a3cf2f4a3e73
 		2014-09-02 17:12:34 +00:00
config create branch for barrier breaker (from trunk r41863) 2014-07-28 23:18:57 +00:00
docs create branch for barrier breaker (from trunk r41863) 2014-07-28 23:18:57 +00:00
include BB: build: fix removal of old .ipk files with CONFIG_PER_FEED_REPO 2014-08-09 13:05:03 +00:00
package mac80211: rt2x00 correctly set ht20/ht40 filter 2014-09-01 13:22:16 +00:00
scripts build: introduce per feed repository support 2014-08-06 18:18:47 +00:00
target cns3xxx: support isolated PCI interrupts on newer Laguna PCBs 2014-09-02 17:12:34 +00:00
toolchain toolchain/musl: update to version 1.1.4 2014-08-06 10:30:20 +00:00
tools tools/libtool: add missing dependency on m4 2014-08-29 11:37:50 +00:00
.gitattributes create branch for barrier breaker (from trunk r41863) 2014-07-28 23:18:57 +00:00
.gitignore create branch for barrier breaker (from trunk r41863) 2014-07-28 23:18:57 +00:00
BSDmakefile create branch for barrier breaker (from trunk r41863) 2014-07-28 23:18:57 +00:00
Config.in create branch for barrier breaker (from trunk r41863) 2014-07-28 23:18:57 +00:00
LICENSE create branch for barrier breaker (from trunk r41863) 2014-07-28 23:18:57 +00:00
Makefile create branch for barrier breaker (from trunk r41863) 2014-07-28 23:18:57 +00:00
README Add 'subversion' build dependency to README 2014-09-01 13:22:10 +00:00
feeds.conf.default BB: point old.packages at the real tree 2014-09-02 15:51:05 +00:00
rules.mk build: override hardcoded paths to bison and m4 to make the SDK more relocatable 2014-08-26 12:16:18 +00:00

README 

This is the buildsystem for the OpenWrt Linux distribution.

Please use "make menuconfig" to configure your appreciated
configuration for the toolchain and firmware.

You need to have installed gcc, binutils, bzip2, flex, python, perl, make,
find, grep, diff, unzip, gawk, getopt, subversion, libz-dev and libc headers.

Run "./scripts/feeds update -a" to get all the latest package definitions
defined in feeds.conf / feeds.conf.default respectively
and "./scripts/feeds install -a" to install symlinks of all of them into
package/feeds/.

Use "make menuconfig" to configure your image.

Simply running "make" will build your firmware.
It will download all sources, build the cross-compile toolchain, 
the kernel and all choosen applications.

You can use "scripts/flashing/flash.sh" for remotely updating your embedded
system via tftp.

The OpenWrt system is documented in docs/. You will need a LaTeX distribution
and the tex4ht package to build the documentation. Type "make -C docs/" to build it.

To build your own firmware you need to have access to a Linux, BSD or MacOSX system
(case-sensitive filesystem required). Cygwin will not be supported because of
the lack of case sensitiveness in the file system.


Sunshine!
	Your OpenWrt Project
	http://openwrt.org