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Kconfig: Add a new DISTRO_DEFAULTS Kconfig option
DISTRO_DEFAULTS is intended to mirror / replace include/config_distro_defaults.h. The intend is for boards which include this file to select this from their Kconfig files and when moving setting to Kconfig which are #define-ed in config_distro_defaults.h to select this from DISTRO_DEFAULTS so that boards which have selected DISTRO_DEFAULTS will keep the same configuration as before without needing any defconfig file changes. The initial list of selected things matches all settings recently removed from config_distro_defaults.h because they have been converted to Kconfig, with the exception of CMD_ELF and CMD_NET, which have a default of y, if the default of these ever changes they should be selected by DISTRO_DEFAULTS too. For testing and example purposes this commit also converts ARCH_SUNXI to use DISTRO_DEFAULT instead of selecting everything it needs itself. Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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3 changed files with 23 additions and 9 deletions
17
Kconfig
17
Kconfig
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@ -53,6 +53,23 @@ config CC_OPTIMIZE_FOR_SIZE
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This option is enabled by default for U-Boot.
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config DISTRO_DEFAULTS
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bool "Select defaults suitable for booting general purpose Linux distributions"
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default y if ARCH_SUNXI
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default n
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select CMD_BOOTZ
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select CMD_DHCP
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select CMD_EXT2
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select CMD_EXT4
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select CMD_FAT
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select CMD_FS_GENERIC
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select CMD_MII
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select CMD_PING
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select HUSH_PARSER
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help
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Select this to enable various options and commands which are suitable
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for building u-boot for booting general purpose Linux distributions.
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config SYS_MALLOC_F
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bool "Enable malloc() pool before relocation"
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default y if DM
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@ -610,16 +610,8 @@ config TARGET_CM_T43
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config ARCH_SUNXI
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bool "Support sunxi (Allwinner) SoCs"
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select CMD_BOOTZ
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select CMD_DHCP
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select CMD_EXT2
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select CMD_EXT4
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select CMD_FAT
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select CMD_FS_GENERIC
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select CMD_GPIO
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select CMD_MII
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select CMD_MMC if MMC
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select CMD_PING
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select CMD_USB
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select DM
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select DM_ETH
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@ -627,7 +619,6 @@ config ARCH_SUNXI
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select DM_KEYBOARD
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select DM_SERIAL
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select DM_USB
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select HUSH_PARSER
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select OF_BOARD_SETUP
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select OF_CONTROL
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select OF_SEPARATE
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@ -162,6 +162,12 @@ U-Boot Implementation
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Enabling the distro options
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---------------------------
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In your board's defconfig, enable the DISTRO_DEFAULTS option by adding
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a line with "CONFIG_DISTRO_DEFAULTS=y". If you want to enable this
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from Kconfig itself, for e.g. all boards using a specific SoC then
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add a "default y if ARCH_FOO" to the DISTRO_DEFAULTS section of
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the Kconfig file in the root of the u-boot sources.
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In your board configuration file, include the following:
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------------------------------------------------------------
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