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OpenWrt Source Repository
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Koen Vandeputte f4f4259ca1 ath79: ar934x-nand: fix broken nand on kernel 5.10 
Booting current 5.10.x testing kernel shows this:

[    0.335781] nand: device found, Manufacturer ID: 0xec, Chip ID: 0xf1
[    0.342280] nand: Samsung NAND 128MiB 3,3V 8-bit
[    0.346982] nand: 128 MiB, SLC, erase size: 128 KiB, page size: 2048,
OOB size: 64
[    0.354703] ar934x-nand 1b800200.nand: unknown ECC mode 2
[    0.360193] ar934x-nand 1b800200.nand: nand_scan failed, err:-22
[    0.366341] ar934x-nand: probe of 1b800200.nand failed with error -22

...

[    1.089264] /dev/root: Can't open blockdev
[    1.093482] VFS: Cannot open root device "(null)" or
unknown-block(0,0): error -6
[    1.101077] Please append a correct "root=" boot option; here are the
available partitions:
[    1.109555] 1f00              64 mtdblock0
[    1.109559]  (driver?)
[    1.116199] 1f01              48 mtdblock1
[    1.116202]  (driver?)
[    1.122841] 1f02               4 mtdblock2
[    1.122844]  (driver?)
[    1.129493] 1f03               4 mtdblock3
[    1.129497]  (driver?)
[    1.136138] 1f04               4 mtdblock4
[    1.136142]  (driver?)
[    1.142787] Kernel panic - not syncing: VFS: Unable to mount root fs
on unknown-block(0,0)
[    1.151168] Rebooting in 1 seconds..

The issue is caused by a wrong check for ECC engine type
on newer kernels.

Fix this.

Bootlog after:

[    0.335689] nand: device found, Manufacturer ID: 0xec, Chip ID: 0xf1
[    0.342192] nand: Samsung NAND 128MiB 3,3V 8-bit
[    0.346884] nand: 128 MiB, SLC, erase size: 128 KiB, page size: 2048,
OOB size: 64
[    0.354611] Scanning device for bad blocks
[    0.364924] random: fast init done
[    0.496641] 3 fixed-partitions partitions found on MTD device
ar934x-nand
[    0.503545] Creating 3 MTD partitions on "ar934x-nand":
[    0.508865] 0x000000000000-0x000000040000 : "booter"
[    0.515133] 0x000000040000-0x000000400000 : "kernel"
[    0.523265] 0x000000400000-0x000008000000 : "ubi"

Fixes: fb64e2c30f ("ath79: ar934x-nand: add kernel 5.10 compatibility")
Signed-off-by: Koen Vandeputte <koen.vandeputte@citymesh.com>
2021-04-06 17:00:07 +02:00
.github
config treewide: fix spelling 'seperate' -> 'separate' 2021-02-28 23:59:21 +00:00
include kernel: bump 5.10 to 5.10.27 2021-04-03 21:07:22 +01:00
LICENSES
package uboot-mediatek: update to v2021.04 2021-04-05 18:57:51 +01:00
scripts build,json: 3rd fixup of default_packages 2021-03-25 10:25:54 -10:00
target ath79: ar934x-nand: fix broken nand on kernel 5.10 2021-04-06 17:00:07 +02:00
toolchain glibc: update to latest git HEAD (BZ #27468, BZ #27511) 2021-04-05 20:25:42 +02:00
tools firmware-utils: bcm4908img: add bootfs support 2021-04-05 10:13:05 +02:00
.gitattributes
.gitignore gitignore: add .vscode for VS Code users 2021-03-08 10:46:06 +01:00
BSDmakefile
Config.in
COPYING COPYING: add COPYING file to specify project licenses 2021-02-14 19:21:38 +01:00
feeds.conf.default feeds.conf.default: remove freifunk feed 2021-03-03 22:56:15 +01:00
Makefile Revert "build: replace which with Bash command built-in" 2021-03-03 22:51:39 +01:00
README.md README: add install command to build requirements 2021-03-26 19:57:20 +01:00
rules.mk build: make sure asm gets built with -DPIC 2021-03-24 23:47:34 +00:00

README.md

OpenWrt logo

OpenWrt Project is a Linux operating system targeting embedded devices. Instead of trying to create a single, static firmware, OpenWrt provides a fully writable filesystem with package management. This frees you from the application selection and configuration provided by the vendor and allows you to customize the device through the use of packages to suit any application. For developers, OpenWrt is the framework to build an application without having to build a complete firmware around it; for users this means the ability for full customization, to use the device in ways never envisioned.

Sunshine!

Development

To build your own firmware you need a GNU/Linux, BSD or MacOSX system (case sensitive filesystem required). Cygwin is unsupported because of the lack of a case sensitive file system.

Requirements

You need the following tools to compile OpenWrt, the package names vary between distributions. A complete list with distribution specific packages is found in the Build System Setup documentation.

binutils bzip2 diff find flex gawk gcc-6+ getopt grep install libc-dev libz-dev
make4.1+ perl python3.6+ rsync subversion unzip which

Quickstart

  1. Run ./scripts/feeds update -a to obtain all the latest package definitions defined in feeds.conf / feeds.conf.default

  2. Run ./scripts/feeds install -a to install symlinks for all obtained packages into package/feeds/

  3. Run make menuconfig to select your preferred configuration for the toolchain, target system & firmware packages.

  4. Run make to build your firmware. This will download all sources, build the cross-compile toolchain and then cross-compile the GNU/Linux kernel & all chosen applications for your target system.

Related Repositories

The main repository uses multiple sub-repositories to manage packages of different categories. All packages are installed via the OpenWrt package manager called opkg. If you're looking to develop the web interface or port packages to OpenWrt, please find the fitting repository below.

Support Information

For a list of supported devices see the OpenWrt Hardware Database

Documentation

Support Community

  • Forum: For usage, projects, discussions and hardware advise.
  • Support Chat: Channel #openwrt on freenode.net.

Developer Community

License

OpenWrt is licensed under GPL-2.0