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Diffstat (limited to 'src/arch/x86/Kconfig')
| -rw-r--r-- | src/arch/x86/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/arch/x86/Kconfig b/src/arch/x86/Kconfig index 8676fad863de..c97fecb3e4b0 100644 --- a/src/arch/x86/Kconfig +++ b/src/arch/x86/Kconfig @@ -92,6 +92,16 @@ config ARCH_X86_64_PGTBL_LOC The position where to place pagetables. Needs to be known at compile time. Must not overlap other files in CBFS. +config RESERVED_PHYSICAL_ADDRESS_BITS_SUPPORT + bool + help + On some systems, the upper physical address bits are reserved and + used as a tag which is typically related to a memory encryption + feature. When selecting this option, the SoC code needs to implement + get_reserved_phys_addr_bits so that the common code knows how many of + the most significant physical address bits are reserved and can't be + used as address bits. + # This is an SMP option. It relates to starting up APs. # It is usually set in mainboard/*/Kconfig. # TODO: Improve description. |