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OpenWRT firmware for routers
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Felix Fietkau bdcba36442 ipq806x: fix boot freeze on zImage kernel 
ARCH_QCOM is using the ARCH_MULTIPLATFORM option, as now recommended
on most ARM architectures. This automatically calculate ZRELADDR by
masking PHYS_OFFSET with 0xf8000000.

On IPQ806x though, the first ~20MB of RAM is reserved for the hardware.
In newer bootloader, when DT is used, this is not a problem, we just
reserve this memory in the device tree. But if the bootloader doesn't
have DT support, then ATAGS have to be used. In this case, the ARM
decompressor will position the kernel in this low mem, which will not be
in the RAM section mapped by the bootloader, which means the kernel will
freeze in the middle of the boot process trying to map the memory.

As a work around, this patch allows disabling AUTO_ZRELADDR when
ARCH_QCOM is selected. It makes the zImage usage possible on bootloaders
which don't support device-tree, which is the case on certain early
IPQ806x based designs.

Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org>

SVN-Revision: 45661
 		9 years ago
config build: enable package list signing by default 9 years ago
docs docs: Fix typo buysbox -> busybox. 9 years ago
include include: make dtb argument optional in MkFIT 9 years ago
package ppp: remove the persist option, netifd handles reconnects 9 years ago
scripts build: make device-tree arg optional in mkits.sh 9 years ago
target ipq806x: fix boot freeze on zImage kernel 9 years ago
toolchain uClibc: backport sync_file_range fixes (closes: #19350) 9 years ago
tools mktplinkfw: add flag to ignore size limit (used for initramfs images) 9 years ago
.gitattributes add .gitattributes to prevent the git autocrlf option from messing with CRLF/LF in files 12 years ago
.gitignore build: add integration for managing opkg package feed keys 9 years ago
BSDmakefile add missing copyright header 18 years ago
Config.in scripts/config: sync with linux upstream 10 years ago
LICENSE finally move buildroot-ng to trunk 8 years ago
Makefile build: don't call prereq for any package/symlinks rules 9 years ago
README Add 'subversion' build dependency to README 10 years ago
feeds.conf.default feeds.conf.default: add new targets feed 9 years ago
rules.mk build: add integration for managing opkg package feed keys 9 years ago

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