On Fri, May 1, 2020 at 9:36 PM Simon Glass <[email protected]> wrote: > > Coreboot is a first-stage bootloader mostly used on x86 devices as an > alternative to UEFI. Coreboot runs in 32-bit mode. > > U-Boot currently supports booting from coreboot as a second-stage > bootloader, also in 32-bit mode. However it is useful to be able to run > U-Boot in 64-bit mode. To do this we can have a 32-bit SPL which switches > over the CPU and jumps to a 64-bit U-Boot proper. > > Add a new 'coreboot64' board for running 64-bit U-Boot from coreboot. This > uses binman to create an image with a 32-bit SPL and a 64-bit U-Boot. > > This allows running 64-bit EFI images on x86, for example, without needing > a native U-Boot port for a board. > > Signed-off-by: Simon Glass <[email protected]> > --- > > Changes in v5: > - Rewrite commit message to explain what coreboot is > > board/coreboot/coreboot/MAINTAINERS | 7 +++++ > configs/coreboot64_defconfig | 48 +++++++++++++++++++++++++++++ > doc/board/coreboot/coreboot.rst | 10 ++++++ > 3 files changed, 65 insertions(+) > create mode 100644 configs/coreboot64_defconfig >
applied to u-boot-x86, thanks!
