[Buildroot] [PATCH 2/2] configs/imx7dpico: Bump U-Boot to 2019.07 and kernel to version 5.1.16.

[Arnout Vandecappelle]

On 09/07/2019 11:57, Joris Offouga wrote:
> Also
>  - adjust the U-Boot binary name after DM conversion.
>  - add missing notes about flashing U-Boot and SPL
> 
> Signed-off-by: Joris Offouga <offougajoris at gmail.com>
> ---
>  board/technexion/imx7dpico/readme.txt | 55 ++++++++++++++++++++++++++-
>  configs/imx7dpico_defconfig           |  6 +--
>  2 files changed, 57 insertions(+), 4 deletions(-)
> 
> diff --git a/board/technexion/imx7dpico/readme.txt b/board/technexion/imx7dpico/readme.txt
> index 1b9e80a0fd..53197d458d 100644
> --- a/board/technexion/imx7dpico/readme.txt
> +++ b/board/technexion/imx7dpico/readme.txt
> @@ -20,10 +20,63 @@ You will find in output/images/ the following files:
>    - rootfs.ext4
>    - rootfs.tar
>    - sdcard.img
> -  - u-boot.img
> +  - u-boot-dtb.img
>    - SPL
>    - zImage
>  
> +Flash U-Boot and SPL
> +=====

 It would have been nice to add this as a separate patch, before the bump.

 However, I guess it needs heavy modification in that case, so I applied to
master as-is after all, thanks.

 Regards,
 Arnout

> +
> +Note: This method is convenient for development purposes.
> +If the eMMC has already a U-Boot flashed with DFU support then
> +the user can go to step 2 below in order to update U-Boot.
> +
> +Put pico board in USB download mode (refer to the PICO-iMX7D Quick Start Guide
> +page 3)
> +
> +Connect a USB to serial adapter between the host PC and pico.
> +
> +Connect a USB cable between the OTG pico port and the host PC.
> +
> +Note: Some computers may be a bit strict with USB current draw and will
> +shut down their ports if the draw is too high. The solution for that is
> +to use an externally powered USB hub between the board and the host computer.
> +
> +Open a terminal program such as minicom.
> +
> +Copy SPL and u-boot-dtb.img to the imx_usb_loader folder.
> +
> +Load the SPL binary via USB:
> +
> +$ sudo ./imx_usb SPL
> +
> +Load the u-boot-dtb.img binary via USB:
> +
> +$ sudo ./imx_usb u-boot-dtb.img
> +
> +Then U-Boot starts and its messages appear in the console program.
> +
> +Use the default environment variables:
> +
> +=> env default -f -a
> +=> saveenv
> +
> +Run the DFU agent so we can flash the new images using dfu-util tool:
> +
> +=> dfu 0 mmc 0
> +
> +Flash SPL and u-boot-dtb.img into the eMMC running the following commands on a PC:
> +
> +$ sudo dfu-util -D SPL -a spl
> +
> +$ sudo dfu-util -D u-boot-dtb.img -a u-boot
> +
> +Remove power from the pico board.
> +
> +Put pico board into normal boot mode.
> +
> +Power up the board and the new updated U-Boot should boot from eMMC.
> +
>  Flash the eMMC
>  ==============
>  
> diff --git a/configs/imx7dpico_defconfig b/configs/imx7dpico_defconfig
> index a5d41657f1..151b7fd65a 100644
> --- a/configs/imx7dpico_defconfig
> +++ b/configs/imx7dpico_defconfig
> @@ -12,7 +12,7 @@ BR2_TARGET_GENERIC_GETTY_PORT="ttymxc4"
>  # kernel
>  BR2_LINUX_KERNEL=y
>  BR2_LINUX_KERNEL_CUSTOM_VERSION=y
> -BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.1.6"
> +BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.1.16"
>  BR2_LINUX_KERNEL_DEFCONFIG="imx_v6_v7"
>  BR2_LINUX_KERNEL_DTS_SUPPORT=y
>  BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx7d-pico-pi"
> @@ -25,8 +25,8 @@ BR2_TARGET_UBOOT_SPL=y
>  BR2_TARGET_UBOOT_SPL_NAME="SPL"
>  BR2_TARGET_UBOOT_BOARDNAME="pico-pi-imx7d"
>  BR2_TARGET_UBOOT_CUSTOM_VERSION=y
> -BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2019.01"
> -BR2_TARGET_UBOOT_FORMAT_IMG=y
> +BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2019.07"
> +BR2_TARGET_UBOOT_FORMAT_DTB_IMG=y
>  
>  # wifi firmware for brcm43439
>  BR2_PACKAGE_LINUX_FIRMWARE=y
>