[LEDE-DEV] [PATCH 4/4] Add bootconfig and flash script for the tew827dru

[John Crispin]

On 08/09/2016 07:04, J Mo wrote:
> The tew827dru requires a u-boot hush shell script to install it's factory image. Additionally, a "bootconfig" partition blob is needed to direct the OEM's "Fail Safe" system to boot from the proper UBI partition.
> 
> Signed-off-by: jmomo <jmomo at jmomo.net>
> ---
>  .../linux/ipq806x/image/tew827dru-bootconfig.bin   | Bin 0 -> 84 bytes
>  target/linux/ipq806x/image/tew827dru-flash.scr     |  57 +++++++++++++++++++++
>  2 files changed, 57 insertions(+)
>  create mode 100644 target/linux/ipq806x/image/tew827dru-bootconfig.bin
>  create mode 100644 target/linux/ipq806x/image/tew827dru-flash.scr
> 
> target/linux/ipq806x/image/tew827dru-flash.scr
> 	This u-boot hush shell script is required to install the factory image via the u-boot HTTP backup loader.
> 	If this file should be moved somewhere else, let me know.
> 
> target/linux/ipq806x/image/tew827dru-bootconfig.bin
> 	This binary blob is used by the OEM's "Fail Safe" boot system.
> 	This gets installed by the u-boot script above.
> 	If this file should be moved somewhere else, let me know.
> 
> diff --git a/target/linux/ipq806x/image/tew827dru-bootconfig.bin b/target/linux/ipq806x/image/tew827dru-bootconfig.bin
> new file mode 100644
> index 0000000000000000000000000000000000000000..16816a91a70ad71120c49a1ab7f13681cb023a65
> GIT binary patch
> literal 84
> zcmZ3maPd+GAYcY!11raXfM6#d5FZQ}AyiR*eo0y}R18Ex#j{h3@=|k<#Gy<86T}JG
> 
> literal 0
> HcmV?d00001

where does this blob come from. can we build it from source ?


> 
> diff --git a/target/linux/ipq806x/image/tew827dru-flash.scr b/target/linux/ipq806x/image/tew827dru-flash.scr
> new file mode 100644
> index 0000000..3cdc42e
> --- /dev/null
> +++ b/target/linux/ipq806x/image/tew827dru-flash.scr

where does this get used ?

> @@ -0,0 +1,57 @@
> +# TRENDnet TEW-827DRU 1.0R u-boot script.
> +# This script is read and executed by the uboot-HTTP recovery loader.
> +# The OEM HTTP firmware upgrader does not use this file.
> +# WARNING: Be extremely careful editing this script. A mistake could brick devices.
> +# 
> +# "setenv imgaddr 0x42000000" is automatically set for us by the recovery tool.
> +# imxtract automatically sets the $fileaddr and $filesize environment variables for the extracted image.
> +
> +echo ""
> +echo "------------------------------------------------------------"
> +echo ""
> +echo "LEDE TEW-827DRU script START."
> +
> +# imgaddr=0x42000000
> +support_hw_version=V1.0R
> +support_machid=1260
> +rootfs_nand_addr=0x58a0000
> +rootfs_nand_size=0x4000000
> +rootfs_1_nand_addr=0x1340000
> +rootfs_1_nand_size=0x4000000
> +BOOTCONFIG_nand_addr=0x5340000
> +BOOTCONFIG_nand_size=0x60000
> +
> +# --------------------------------------------------
> +
> +# Validate hardware.
> +if test "${hw_version}" != "${support_hw_version}" ; then echo "Wrong Hardware Version: Quitting." ; exit 1 ; fi
> +if test "${machid}" != "${support_machid}" ; then echo "Wrong machine ID: Quitting." ; exit 1 ; fi
> +
> +# Write the UBI image (kernel+rootfs+ubifs)
> +echo ""
> +echo "Flashing the UBI image..."
> +ipq_nand linux || echo "Failed to set ipq_nand: Quitting." && exit 1
> +imxtract ${imgaddr} ubi-image || echo "Failed to imxtract the ubi image: Quitting." && exit 1
> +nand erase ${rootfs_nand_addr} ${rootfs_nand_size} || echo "Failed to nand erase: Quitting." && exit 1
> +nand write ${fileaddr} ${rootfs_nand_addr} ${filesize} || echo "Failed to nand write: Quitting." && exit 1
> +echo "Done flashing UBI image."
> +
> +# Write the bootconfig to set APPSBL/rootfs as active.
> +echo ""
> +echo "Flashing the BOOTCONFIG image..."
> +ipq_nand linux || echo "Failed to set ipq_nand: Quitting." && exit 1
> +imxtract ${imgaddr} bootconfig || echo "Failed to imxtract the bootconfig image: Quitting." && exit 1
> +nand erase ${BOOTCONFIG_nand_addr} ${BOOTCONFIG_nand_size} || echo "Failed to nand erase: Quitting." && exit 1
> +# We need to write 0x800 instead of filesize for the bootconfig, due to page size.
> +nand write ${fileaddr} ${BOOTCONFIG_nand_addr} 0x800 || echo "Failed to nand write: Quitting." && exit 1
> +echo "Done flashing BOOTCONFIG image."
> +
> +echo ""
> +echo "LEDE TEW-827DRU script END."
> +echo ""
> +echo "------------------------------------------------------------"
> +echo ""
> +exit 0
> +
> +# The u-boot HTTP loader will automatically reboot the system after exit.
> +
>