diff options
Diffstat (limited to 'boot')
| -rw-r--r-- | boot/Kconfig | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/boot/Kconfig b/boot/Kconfig index 394b26f246..ec5b956490 100644 --- a/boot/Kconfig +++ b/boot/Kconfig @@ -1192,4 +1192,28 @@ config DEFAULT_FDT_FILE help This option is used to set the default fdt file to boot OS. +config SAVE_PREV_BL_FDT_ADDR + depends on ARM + bool "Saves fdt address, passed by the previous bootloader, to env var" + help + When u-boot is used as a chain-loaded bootloader (replacing OS kernel), + enable this option to save fdt address, passed by the + previous bootloader for future use. + Address is saved to `prevbl_fdt_addr` environment variable. + + If no fdt was provided by previous bootloader, no env variables + will be created. + +config SAVE_PREV_BL_INITRAMFS_START_ADDR + depends on ARM + bool "Saves initramfs address, passed by the previous bootloader, to env var" + help + When u-boot is used as a chain-loaded bootloader(replacing OS kernel), + enable this option to save initramfs address, passed by the + previous bootloader for future use. + Address is saved to `prevbl_initrd_start_addr` environment variable. + + If no initramfs was provided by previous bootloader, no env variables + will be created. + endmenu # Booting |