[PATCH v2 6/8] boot: Create a common BOOT_DEFAULTS for distro and bootstd

[Tom Rini]

On Wed, Mar 01, 2023 at 08:39:27PM -0700, Simon Glass wrote:

> These two features use a lot of common options. Move them into a common
> CONFIG to reduce duplication.
> 
> Resync defconfigs since this makes a lot of changes.
> 
> Signed-off-by: Simon Glass <sjg at chromium.org>
[snip]
> diff --git a/boot/Kconfig b/boot/Kconfig
> index da18d4738a7..7f7ec208a54 100644
> --- a/boot/Kconfig
> +++ b/boot/Kconfig
> @@ -350,6 +350,35 @@ config PXE_UTILS
>  	help
>  	  Utilities for parsing PXE file formats.
>  
> +config BOOT_DEFAULTS
> +	bool  # Common defaults for standard boot and distroboot
> +	imply USE_BOOTCOMMAND
> +	# Bring in some defaults which are generally needed. Boards can drop
> +	# these as needed to save code space. Bootstd does not generally require
> +	# the commands themselves to be enabled, but this is how some of the
> +	# functionality is controlled at present
> +	select CMD_ENV_EXISTS
> +	imply CMD_EXT2
> +	imply CMD_EXT4
> +	imply CMD_FAT
> +	imply CMD_FS_GENERIC
> +	imply CMD_PART if PARTITIONS
> +	imply CMD_DHCP if NET
> +	imply CMD_MII if NET
> +	imply CMD_PING if NET
> +	imply CMD_PXE if NET
> +	imply USB_STORAGE
> +	imply SUPPORT_RAW_INITRD
> +	imply ENV_VARS_UBOOT_CONFIG
> +	imply EFI_PARTITION
> +	imply ISO_PARTITION
> +	select CMD_BOOTI if ARM64
> +	select CMD_BOOTZ if ARM && !ARM64
> +	help
> +	  These are not required but are commonly needed to support a good
> +	  selection of booting methods. Enable this to improve the capability
> +	  of U-Boot to boot various images.

We want the more heavy-handed select rather than imply here, as this is
part of making sure people do end up with a set of default that will
work and not unexpectedly fail to boot off-the-shelf things.

-- 
Tom
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