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| author | Tom Rini <trini@konsulko.com> | 2020-05-04 11:06:14 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-05-04 11:06:14 -0400 |
| commit | 425fefa9a36ca729b5088ca5381f63f8d95a2f8e (patch) | |
| tree | bd28f2e66bb63fc8a17b65670457a9c958de205c /doc | |
| parent | a1f5f4ac20c0947afda93f9b906facfbee2708fe (diff) | |
| parent | 538437ed39e01b7ecfa79669982fe7db51fb2e1b (diff) | |
| download | u-boot-425fefa9a36ca729b5088ca5381f63f8d95a2f8e.zip u-boot-425fefa9a36ca729b5088ca5381f63f8d95a2f8e.tar.gz u-boot-425fefa9a36ca729b5088ca5381f63f8d95a2f8e.tar.bz2 | |
Merge https://gitlab.denx.de/u-boot/custodians/u-boot-x86
- Support 64-bit U-Boot as the payload for coreboot x86
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/board/coreboot/coreboot.rst | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/board/coreboot/coreboot.rst b/doc/board/coreboot/coreboot.rst index fd97422..9c44c02 100644 --- a/doc/board/coreboot/coreboot.rst +++ b/doc/board/coreboot/coreboot.rst @@ -40,3 +40,13 @@ To enable video you must enable these options in coreboot: At present it seems that for Minnowboard Max, coreboot does not pass through the video information correctly (it always says the resolution is 0x0). This works correctly for link though. + +64-bit U-Boot +------------- + +In addition to the 32-bit 'coreboot' build there is a 'coreboot64' build. This +produces an image which can be booted from coreboot (32-bit). Internally it +works by using a 32-bit SPL binary to switch to 64-bit for running U-Boot. It +can be useful for running UEFI applications, for example. + +This has only been lightly tested. |