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| author | Subrata Banik <subrata.banik@intel.com> | 2019-05-06 14:17:41 +0530 |
|---|---|---|
| committer | Subrata Banik <subrata.banik@intel.com> | 2019-05-12 03:10:24 +0000 |
| commit | 7e893a02c0cc04b8fdcfee0b4dc0ff790bfe40c5 (patch) | |
| tree | 37dedc9deb63d0961d241a24e08fed15b54d344a | |
| parent | 7bc9036d160c6235d96e1bed49331696d7fa9a09 (diff) | |
| download | coreboot-7e893a02c0cc04b8fdcfee0b4dc0ff790bfe40c5.tar.xz | |
Kconfig: Create RAMPAYLOAD kconfig
This patch enables coreboot flow to skip ramstage as
individual stage to load payload. Instead it is expected
to load payload from postcar stage.
Change-Id: I839f2d34a93b69ca6bf3de6594e2ad9f66ee7135
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32618
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: ron minnich <rminnich@gmail.com>
| -rw-r--r-- | src/Kconfig | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/Kconfig b/src/Kconfig index b4898bd456..2c9dc4ab7f 100644 --- a/src/Kconfig +++ b/src/Kconfig @@ -277,6 +277,21 @@ config BOOTSPLASH_FILE The path and filename of the file to use as graphical bootsplash screen. The file format has to be jpg. +config RAMPAYLOAD + bool "Enable coreboot flow without executing ramstage" + default n + depends on ARCH_X86 + help + If this option is enabled, coreboot flow will skip ramstage + loading and execution of ramstage to load payload. + + Instead it is expected to load payload from postcar stage itself. + + In this flow coreboot will perform basic x86 initialization + (DRAM resource allocation), MTRR programming, + Skip PCI enumeration logic and only allocate BAR for fixed devices + (bootable devices, TPM over GSPI). + endmenu menu "Mainboard" |