diff options
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 204a9be052..89e142a3ad 100644 --- a/src/arch/x86/Kconfig +++ b/src/arch/x86/Kconfig @@ -83,6 +83,16 @@ config RAMBASE hex default 0x100000 +# Traditionally BIOS region on SPI flash boot media was memory mapped right below +# 4G and it was the last region in the IFD. This way translation between CPU +# address space to flash address was trivial. However some IFDs on newer SoCs +# have BIOS region sandwiched between descriptor and other regions. Turning off +# this option enables soc code to provide custom mmap_boot.c which can be used to +# implement complex translation. +config X86_TOP4G_BOOTMEDIA_MAP + bool + default y + # This is something you almost certainly don't want to mess with. # How many SIPIs do we send when starting up APs and cores? # The answer in 2000 or so was '2'. Nowadays, on many systems, |