1config EFI_LOADER 2 bool "Support running EFI Applications in U-Boot" 3 depends on (ARM || X86) && OF_LIBFDT 4 default y 5 help 6 Select this option if you want to run EFI applications (like grub2) 7 on top of U-Boot. If this option is enabled, U-Boot will expose EFI 8 interfaces to a loaded EFI application, enabling it to reuse U-Boot's 9 device drivers. 10 11config EFI_LOADER_BOUNCE_BUFFER 12 bool "EFI Applications use bounce buffers for DMA operations" 13 depends on EFI_LOADER && ARM64 14 default n 15 help 16 Some hardware does not support DMA to full 64bit addresses. For this 17 hardware we can create a bounce buffer so that payloads don't have to 18 worry about platform details. 19