[Yocto-bsp] [PATCH v2] README.hardware: add edgerouter hardware support

[Yang,Wei]

On 03/21/2014 09:34 AM, Wei.Yang at windriver.com wrote:
> From: Yang Wei <Wei.Yang at windriver.com>
>
> Signed-off-by: Yang Wei <Wei.Yang at windriver.com>
> ---
>
>   Changes in v2:
>
>   * Add some steps to how to boot from USB disk
>   * Add more descriptions in Preparation.
>   * There is a duplication of "rw" in command line, so remove it.
ping

Regards
Wei
>
>
>   README.hardware |   81 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
>   1 file changed, 81 insertions(+)
>
> diff --git a/README.hardware b/README.hardware
> index 607062b..eccc7d3 100644
> --- a/README.hardware
> +++ b/README.hardware
> @@ -492,3 +492,84 @@ manually, you can automate the boot process with a boot script.
>     ... Program from 0x87ff0000-0x88000000 at 0xbfff0000: .
>   4) Power cycle the board.
>   
> +EdgeRouter Lite(edgerouter)
> +=====================================
> +
> +The EdgeRouter Lite is part of the EdgeMax series. It is an MIPS64 router(Cavium Octeon)
> +with 512MB of RAM, which uses a USB pendrive for storage.
> +
> +Setup instructions
> +------------------
> +
> +You will need the following:
> +* NFS root setup on your workstation
> +* TFTP server installed on your workstation
> +* Straight-thru 9-conductor serial cable (DB9, M/F) connected from your
> +  PC to UART1
> +* Ethernet connected to the first ethernet port on the board
> +
> +--- Preparation ---
> +
> +Build an image (e.g. core-image-minimal) using "edgerouter" as the MACHINE.
> +In the following instruction it is based on core-image-minimal. Another target
> +may be similiar with it.
> +
> +--- Booting from NFS root ---
> +
> +Load the kernel, and boot the system as follows:
> +
> + 1. Get the kernel (vmlinux) file from the tmp/deploy/images/edgerouter
> +    directory, and make them available on your TFTP server.
> +
> + 2. Connect the board's first serial port to your workstation and then start up
> +    your favourite serial terminal so that you will be able to interact with
> +    the serial console. If you don't have a favourite, picocom is suggested:
> +
> +  $ picocom /dev/ttyS0 -b 115200
> +
> + 3. Power up or reset the board and press a key on the terminal when prompted
> +    to get to the U-Boot command line
> +
> + 4. Set up the environment in U-Boot:
> +
> + => setenv ipaddr <board ip>
> + => setenv serverip <tftp server ip>
> +
> + 5. Download the kernel and boot:
> +
> + => tftp tftp $loadaddr vmlinux
> + => bootoctlinux $loadaddr coremask=0x3 root=/dev/nfs rw nfsroot=<nfsroot ip>:<rootfs path> ip=<board ip>:<server ip>:<gateway ip>:<netmask>:edgerouter:eth0:off mtdparts=phys_mapped_flash:512k(boot0),512k(boot1),64k at 3072k(eeprom)
> +
> +--- Booting from USB root ---
> +
> +NOTE: Since the USB disk is inside the edgerouter box, its inconvenient for us to
> +      plug and unplug the USB disk. So in the following instructions I assume that
> +	  you already boot the box from NFS. Additionally, since vmlinux is not installed
> +	  to core-minal-image-xxx by default, so its neccessary for us to copy it to USB
> +	  disk.
> +
> +Load the kernel, and boot the system as follows:
> + 1. Booting from NFS root
> +
> + 2. Mount usb disk partition 2 and then extract the contens of
> +    tmp/deploy/core-image-XXXX.tar.bz2 into it.
> +
> +    Before starting, copy core-image-minimal-xxx.tar.bz2 and vmlinux into
> +    rootfs path on your workstation.
> +
> +    and then,
> +
> +    # mount /dev/sda2 /media/sda2
> +    # tar -xvjpf core-image-minimal-XXX.tar.bz2 -C /media/sda2
> +    # cp vmlinux /media/sda2/boot/vmlinux
> +    # umount /media/sda2
> +    # reboot
> +
> + 3. Reboot the board and press a key on the terminal when prompted to get to the U-Boot
> +    command line
> +    # reboot
> +
> + 4. Load the kernel and boot:
> +
> + => ext2load usb 0:2 $loadaddr boot/vmlinux
> + => bootoctlinux $loadaddr coremask=0x3 root=/dev/sda2 rw rootwait mtdparts=phys_mapped_flash:512k(boot0),512k(boot1),64k at 3072k(eeprom)