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distro_bootcmd: Introduce support for extension command

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Try to load required DTB overlays if the board supports extensions and
CONFIG_CMD_EXTENSION is enabled.

Signed-off-by: Matwey V. Kornilov <matwey.kornilov@gmail.com>
This commit is contained in:
Matwey V. Kornilov 2022-08-09 18:54:07 +03:00 committed by Tom Rini
parent 2d7069126d
commit d88260710b
1 changed files with 32 additions and 0 deletions
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32
include/config_distro_bootcmd.h
View file

@ -160,11 +160,13 @@
"scan_dev_for_efi=" \
"setenv efi_fdtfile ${fdtfile}; " \
BOOTENV_EFI_SET_FDTFILE_FALLBACK \
BOOTENV_RUN_EXTENSION_INIT \
"for prefix in ${efi_dtb_prefixes}; do " \
"if test -e ${devtype} " \
"${devnum}:${distro_bootpart} " \
"${prefix}${efi_fdtfile}; then " \
"run load_efi_dtb; " \
BOOTENV_RUN_EXTENSION_APPLY \
"fi;" \
"done;" \
"run boot_efi_bootmgr;" \
@ -416,6 +418,34 @@
BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE
#endif
#if defined(CONFIG_CMD_EXTENSION)
#define BOOTENV_RUN_EXTENSION_INIT "run extension_init; "
#define BOOTENV_RUN_EXTENSION_APPLY "run extension_apply; "
#define BOOTENV_SET_EXTENSION_NEED_INIT \
"extension_need_init=; " \
"setenv extension_overlay_addr ${fdtoverlay_addr_r}; "
#define BOOTENV_SHARED_EXTENSION \
"extension_init=" \
"echo Extension init...; " \
"if ${extension_need_init}; then " \
"extension_need_init=false; " \
"extension scan; " \
"fi\0" \
\
"extension_overlay_cmd=" \
"load ${devtype} ${devnum}:${distro_bootpart} " \
"${extension_overlay_addr} ${prefix}${extension_overlay_name}\0" \
"extension_apply=" \
"if fdt addr -q ${fdt_addr_r}; then " \
"extension apply all; " \
"fi\0"
#else
#define BOOTENV_RUN_EXTENSION_INIT
#define BOOTENV_RUN_EXTENSION_APPLY
#define BOOTENV_SET_EXTENSION_NEED_INIT
#define BOOTENV_SHARED_EXTENSION
#endif
#define BOOTENV_DEV_NAME(devtypeu, devtypel, instance, ...) \
BOOTENV_DEV_NAME_##devtypeu(devtypeu, devtypel, instance, ## __VA_ARGS__)
#define BOOTENV_BOOT_TARGETS \
@ -435,6 +465,7 @@
BOOTENV_SHARED_UBIFS \
BOOTENV_SHARED_EFI \
BOOTENV_SHARED_VIRTIO \
BOOTENV_SHARED_EXTENSION \
"boot_prefixes=/ /boot/\0" \
"boot_scripts=boot.scr.uimg boot.scr\0" \
"boot_script_dhcp=boot.scr.uimg\0" \
@ -499,6 +530,7 @@
BOOTENV_SET_NVME_NEED_INIT \
BOOTENV_SET_IDE_NEED_INIT \
BOOTENV_SET_VIRTIO_NEED_INIT \
BOOTENV_SET_EXTENSION_NEED_INIT \
"for target in ${boot_targets}; do " \
"run bootcmd_${target}; " \
"done\0"