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| author | Duncan Laurie <dlaurie@google.com> | 2020-05-09 19:20:10 -0700 |
|---|---|---|
| committer | Duncan Laurie <dlaurie@chromium.org> | 2020-06-02 16:40:04 +0000 |
| commit | 36e6c6f8d2b63428b0829ff615903715766b8c20 (patch) | |
| tree | 0db66d9ab7addfab097c59037e44c38a8579771d /Documentation/lib/index.md | |
| parent | 1ebbb165efe71e83fbf19a9ce6c4bf14e2448d81 (diff) | |
| download | coreboot-36e6c6f8d2b63428b0829ff615903715766b8c20.tar.gz coreboot-36e6c6f8d2b63428b0829ff615903715766b8c20.tar.bz2 coreboot-36e6c6f8d2b63428b0829ff615903715766b8c20.zip | |
fw_config: Add firmware configuration interface
This change introduces a new top-level interface for interacting with a
bitmask providing firmware configuration information.
This is motivated by Chromebook mainboards that need to support multiple
different configurations at runtime with the same BIOS. In these
devices the Embedded Controller provides a bitmask that can be broken
down into different fields and each field can then be broken down into
different options.
The firmware configuration value could also be stored in CBFS and this
interface will look in CBFS first to allow the Embedded Controller value
to be overridden.
The firmware configuration interface is intended to easily integrate
into devicetree.cb and lead to less code duplication for new mainboards
that make use of this feature.
BUG=b:147462631
TEST=this provides a new interface that is tested in subsequent commits
Change-Id: I1e889c235a81545e2ec0e3a34dfa750ac828a330
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41209
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'Documentation/lib/index.md')
| -rw-r--r-- | Documentation/lib/index.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/lib/index.md b/Documentation/lib/index.md index 99b8061325a6..d64b4e999e98 100644 --- a/Documentation/lib/index.md +++ b/Documentation/lib/index.md @@ -3,7 +3,7 @@ This section contains documentation about coreboot internal technical information and libraries. -## Structure and layout - [Flashmap and Flashmap Descriptor](flashmap.md) - [ABI data consumption](abi-data-consumption.md) - [Timestamps](timestamp.md) +- [Firmware Configuration Interface](fw_config.md) |