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-rw-r--r--src/Kconfig8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/Kconfig b/src/Kconfig
index 377f7cfa1b..8a5d905a07 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -413,8 +413,14 @@ config IOAPIC
default n
config CBFS_SIZE
- hex
+ hex "Size of CBFS filesystem in ROM"
default ROM_SIZE
+ help
+ This is the part of the ROM actually managed by CBFS, located at the
+ end of the ROM (passed through cbfstool -o) on x86 and at at the start
+ of the ROM (passed through cbfstool -s) everywhere else. Defaults to
+ span the whole ROM but can be overwritten to make coreboot live
+ alongside other components (like ChromeOS's vboot/FMAP).
config CACHE_ROM_SIZE_OVERRIDE
hex