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Buffalo LinkStation LS421DE is a dual bay NAS, based on Marvell Armada 370
Hardware:
SoC: Marvell Armada 88F6707-A1
CPU: Cortex-A9 1200 MHz, 1 core
Flash: SPI-NOR 1 MiB, NAND 512 MiB
RAM: DDR3 512 MiB
Ethernet: 1x 10/100/1000 Mbps
USB: 1x 2.0, 1x 3.0
SATA: 2x 3.0 Gbps
LEDs/Input : 5x / 2x (1x button, 1x slide-switch)
RTC: Ricoh RS5C372A, I2C, no battery
Flash instruction (UART+TFTP):
1. Downgrade the OEM firmware to 1.34 version (BUFFALO_BOOTVER=0.13)
2. Remove any hard drive from inside the bays.
3. Boot the Openwrt initramfs image using the U-Boot serial console:
tftpboot 0x1200000 buffalo_ls421de-initramfs-kernel.bin
bootm 0x1200000
4. Flash the sysupgrade image using the Openwrt console:
sysupgrade -n buffalo_ls421de-squashfs-sysupgrade.bin
5. Wait until it finish, the device will reboot with Openwrt installed
on the NAND flash.
Note:
- Device shuting down doesn't work, even if the power slide switch is
used. We must first, via MDIO, set the unused LED2 at the ethernet
phy0 to off state. Reboot works ok.
Signed-off-by: Daniel González Cabanelas <dgcbueu@gmail.com>
Reviewed-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
_______ ________ __
| |.-----.-----.-----.| | | |.----.| |_
| - || _ | -__| || | | || _|| _|
|_______|| __|_____|__|__||________||__| |____|
|__| W I R E L E S S F R E E D O M
-----------------------------------------------------
This is the buildsystem for the OpenWrt Linux distribution.
To build your own firmware you need a Linux, BSD or MacOSX system (case
sensitive filesystem required). Cygwin is unsupported because of the lack
of a case sensitive file system.
You need gcc, binutils, bzip2, flex, python3.5+, perl, make, find, grep, diff,
unzip, gawk, getopt, subversion, libz-dev and libc headers installed.
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 Linux kernel & all
chosen applications for your target system.
Sunshine!
Your OpenWrt Community
http://www.openwrt.org